Ticket #62432: config.log

File config.log, 171.3 KB (added by mcjsk (Mark Jamsek), 4 years ago)
Line 
1This file contains any messages produced by compilers while
2running configure, to aid debugging if configure makes a mistake.
3
4configure:634: checking for a BSD compatible install
5configure:687: checking whether build environment is sane
6configure:744: checking whether make sets ${MAKE}
7configure:790: checking for working aclocal-1.4
8configure:803: checking for working autoconf
9configure:816: checking for working automake-1.4
10configure:829: checking for working autoheader
11configure:842: checking for working makeinfo
12configure:874: checking for gcc
13configure:987: checking whether the C compiler (/usr/bin/clang -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64) works
14configure:1003: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
15configure:1000:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
16main(){return(0);}
17^
181 warning generated.
19configure:1029: checking whether the C compiler (/usr/bin/clang -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64) is a cross-compiler
20configure:1034: checking whether we are using GNU C
21configure:1043: /usr/bin/clang -E conftest.c
22configure:1062: checking whether /usr/bin/clang accepts -g
23configure:1108: checking how to run the C preprocessor
24configure:1129: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
25configure:1188: checking for ANSI C header files
26configure:1201: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
27configure:1268: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
28configure:1263:67: error: implicitly declaring library function 'exit' with type 'void (int) __attribute__((noreturn))' [-Werror,-Wimplicit-function-declaration]
29if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
30                                                                  ^
31configure:1263:67: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
321 error generated.
33configure: failed program was:
34#line 1257 "configure"
35#include "confdefs.h"
36#include <ctype.h>
37#define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
38#define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
39#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
40int main () { int i; for (i = 0; i < 256; i++)
41if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
42exit (0); }
43
44configure:1293: checking whether /usr/bin/clang needs -traditional
45configure:1318:10: fatal error: 'termio.h' file not found
46#include <termio.h>
47         ^~~~~~~~~~
481 error generated.
49configure:1341: checking for EMX
50configure:1355: /usr/bin/clang -c -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c 1>&5
51configure:1350:2: error: use of undeclared identifier 'kill'
52        kill me!
53        ^
541 error generated.
55configure: failed program was:
56#line 1346 "configure"
57#include "confdefs.h"
58
59int main() {
60#ifndef __EMX__
61        kill me!
62        #endif
63; return 0; }
64configure:1373: checking for OpenWatcom
65configure:1387: /usr/bin/clang -c -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c 1>&5
66configure:1382:2: error: use of undeclared identifier 'kill'
67        kill me!
68        ^
691 error generated.
70configure: failed program was:
71#line 1378 "configure"
72#include "confdefs.h"
73
74int main() {
75#ifndef __WATCOMC__
76        kill me!
77        #endif
78; return 0; }
79configure:1404: checking for DJGPP
80configure:1418: /usr/bin/clang -c -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c 1>&5
81configure:1413:2: error: use of undeclared identifier 'kill'
82        kill me!
83        ^
841 error generated.
85configure: failed program was:
86#line 1409 "configure"
87#include "confdefs.h"
88
89int main() {
90#ifndef __DJGPP
91        kill me!
92        #endif
93; return 0; }
94configure:1440: checking for ARM64 ILP32
95configure:1454: /usr/bin/clang -c -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c 1>&5
96configure:1449:2: error: use of undeclared identifier 'kill'
97        kill me!
98        ^
991 error generated.
100configure: failed program was:
101#line 1445 "configure"
102#include "confdefs.h"
103
104int main() {
105#if !(defined(__aarch64__) && defined(__ILP32__))
106        kill me!
107        #endif
108; return 0; }
109configure:1471: checking for volatile
110configure:1486: /usr/bin/clang -c -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c 1>&5
111configure:1508: checking for restrict
112configure:1528: /usr/bin/clang -c -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c 1>&5
113configure:1550: checking for __restrict
114configure:1570: /usr/bin/clang -c -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c 1>&5
115configure:1592: checking for long long
116configure:1604: /usr/bin/clang -c -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c 1>&5
117configure:1624: checking for pointer comparison bug
118configure:1647: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
119configure:1670: checking for maxint conversion bug
120configure:1693: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
121configure:1717: checking for stdlib.h
122configure:1729: /usr/bin/clang -c -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c 1>&5
123configure:1756: checking for dirent.h that defines DIR
124configure:1769: /usr/bin/clang -c -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c 1>&5
125configure:1794: checking for opendir in -ldir
126configure:1813: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -ldir   1>&5
127ld: library not found for -ldir
128clang: error: linker command failed with exit code 1 (use -v to see invocation)
129configure: failed program was:
130#line 1802 "configure"
131#include "confdefs.h"
132/* Override any gcc2 internal prototype to avoid an error.  */
133/* We use char because int might match the return type of a gcc2
134    builtin and then its argument prototype would still apply.  */
135char opendir();
136
137int main() {
138opendir()
139; return 0; }
140configure:1877: checking for sys/wait.h that is POSIX.1 compatible
141configure:1898: /usr/bin/clang -c -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c 1>&5
142configure:1922: checking for alloca.h
143configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
144configure:1922: checking for arpa/inet.h
145configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
146configure:1922: checking for bsd/string.h
147configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
148configure:1928:10: fatal error: 'bsd/string.h' file not found
149#include <bsd/string.h>
150         ^~~~~~~~~~~~~~
1511 error generated.
152configure: failed program was:
153#line 1927 "configure"
154#include "confdefs.h"
155#include <bsd/string.h>
156configure:1922: checking for cygwin/process.h
157configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
158configure:1928:10: fatal error: 'cygwin/process.h' file not found
159#include <cygwin/process.h>
160         ^~~~~~~~~~~~~~~~~~
1611 error generated.
162configure: failed program was:
163#line 1927 "configure"
164#include "confdefs.h"
165#include <cygwin/process.h>
166configure:1922: checking for cygwin/version.h
167configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
168configure:1928:10: fatal error: 'cygwin/version.h' file not found
169#include <cygwin/version.h>
170         ^~~~~~~~~~~~~~~~~~
1711 error generated.
172configure: failed program was:
173#line 1927 "configure"
174#include "confdefs.h"
175#include <cygwin/version.h>
176configure:1922: checking for fcntl.h
177configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
178configure:1922: checking for grp.h
179configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
180configure:1922: checking for ieee.h
181configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
182configure:1928:10: fatal error: 'ieee.h' file not found
183#include <ieee.h>
184         ^~~~~~~~
1851 error generated.
186configure: failed program was:
187#line 1927 "configure"
188#include "confdefs.h"
189#include <ieee.h>
190configure:1922: checking for interix/interix.h
191configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
192configure:1928:10: fatal error: 'interix/interix.h' file not found
193#include <interix/interix.h>
194         ^~~~~~~~~~~~~~~~~~~
1951 error generated.
196configure: failed program was:
197#line 1927 "configure"
198#include "confdefs.h"
199#include <interix/interix.h>
200configure:1922: checking for inttypes.h
201configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
202configure:1922: checking for io.h
203configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
204configure:1928:10: fatal error: 'io.h' file not found
205#include <io.h>
206         ^~~~~~
2071 error generated.
208configure: failed program was:
209#line 1927 "configure"
210#include "confdefs.h"
211#include <io.h>
212configure:1922: checking for langinfo.h
213configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
214configure:1922: checking for limits.h
215configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
216configure:1922: checking for linux/falloc.h
217configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
218configure:1928:10: fatal error: 'linux/falloc.h' file not found
219#include <linux/falloc.h>
220         ^~~~~~~~~~~~~~~~
2211 error generated.
222configure: failed program was:
223#line 1927 "configure"
224#include "confdefs.h"
225#include <linux/falloc.h>
226configure:1922: checking for locale.h
227configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
228configure:1922: checking for malloc.h
229configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
230configure:1928:10: fatal error: 'malloc.h' file not found
231#include <malloc.h>
232         ^~~~~~~~~~
2331 error generated.
234configure: failed program was:
235#line 1927 "configure"
236#include "confdefs.h"
237#include <malloc.h>
238configure:1922: checking for math.h
239configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
240configure:1922: checking for net/socket.h
241configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
242configure:1928:10: fatal error: 'net/socket.h' file not found
243#include <net/socket.h>
244         ^~~~~~~~~~~~~~
2451 error generated.
246configure: failed program was:
247#line 1927 "configure"
248#include "confdefs.h"
249#include <net/socket.h>
250configure:1922: checking for netinet/in_system.h
251configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
252configure:1928:10: fatal error: 'netinet/in_system.h' file not found
253#include <netinet/in_system.h>
254         ^~~~~~~~~~~~~~~~~~~~~
2551 error generated.
256configure: failed program was:
257#line 1927 "configure"
258#include "confdefs.h"
259#include <netinet/in_system.h>
260configure:1922: checking for netinet/in_systm.h
261configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
262configure:1922: checking for netinet/ip.h
263configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
264configure:1922: checking for poll.h
265configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
266configure:1922: checking for process.h
267configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
268configure:1928:10: fatal error: 'process.h' file not found
269#include <process.h>
270         ^~~~~~~~~~~
2711 error generated.
272configure: failed program was:
273#line 1927 "configure"
274#include "confdefs.h"
275#include <process.h>
276configure:1922: checking for pwd.h
277configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
278configure:1922: checking for search.h
279configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
280configure:1922: checking for setjmp.h
281configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
282configure:1922: checking for sgtty.h
283configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
284configure:1922: checking for stdarg.h
285configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
286configure:1922: checking for string.h
287configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
288configure:1922: checking for strings.h
289configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
290configure:1922: checking for sys/cygwin.h
291configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
292configure:1928:10: fatal error: 'sys/cygwin.h' file not found
293#include <sys/cygwin.h>
294         ^~~~~~~~~~~~~~
2951 error generated.
296configure: failed program was:
297#line 1927 "configure"
298#include "confdefs.h"
299#include <sys/cygwin.h>
300configure:1922: checking for sys/file.h
301configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
302configure:1922: checking for sys/fmutex.h
303configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
304configure:1928:10: fatal error: 'sys/fmutex.h' file not found
305#include <sys/fmutex.h>
306         ^~~~~~~~~~~~~~
3071 error generated.
308configure: failed program was:
309#line 1927 "configure"
310#include "confdefs.h"
311#include <sys/fmutex.h>
312configure:1922: checking for sys/ioctl.h
313configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
314configure:1922: checking for sys/resource.h
315configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
316configure:1922: checking for sys/select.h
317configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
318configure:1922: checking for sys/time.h
319configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
320configure:1922: checking for sys/un.h
321configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
322configure:1922: checking for sys/utsname.h
323configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
324configure:1922: checking for termios.h
325configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
326configure:1922: checking for time.h
327configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
328configure:1922: checking for umalloc.h
329configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
330configure:1928:10: fatal error: 'umalloc.h' file not found
331#include <umalloc.h>
332         ^~~~~~~~~~~
3331 error generated.
334configure: failed program was:
335#line 1927 "configure"
336#include "confdefs.h"
337#include <umalloc.h>
338configure:1922: checking for unistd.h
339configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
340configure:1922: checking for unixlib.h
341configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
342configure:1928:10: fatal error: 'unixlib.h' file not found
343#include <unixlib.h>
344         ^~~~~~~~~~~
3451 error generated.
346configure: failed program was:
347#line 1927 "configure"
348#include "confdefs.h"
349#include <unixlib.h>
350configure:1922: checking for utime.h
351configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
352configure:1922: checking for uwin.h
353configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
354configure:1928:10: fatal error: 'uwin.h' file not found
355#include <uwin.h>
356         ^~~~~~~~
3571 error generated.
358configure: failed program was:
359#line 1927 "configure"
360#include "confdefs.h"
361#include <uwin.h>
362configure:1922: checking for values.h
363configure:1932: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
364configure:1928:10: fatal error: 'values.h' file not found
365#include <values.h>
366         ^~~~~~~~~~
3671 error generated.
368configure: failed program was:
369#line 1927 "configure"
370#include "confdefs.h"
371#include <values.h>
372configure:1964: checking for working const
373configure:2018: /usr/bin/clang -c -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c 1>&5
374configure:2039: checking for inline
375configure:2053: /usr/bin/clang -c -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c 1>&5
376configure:2049:10: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
377} inline foo() {
378  ~~~~~~ ^
3791 warning generated.
380configure:2079: checking for size_t
381configure:2112: checking for pid_t
382configure:2145: checking for socklen_t
383configure:2163: /usr/bin/clang -c -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c 1>&5
384configure:2184: checking for errno
385configure:2201: /usr/bin/clang -c -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c 1>&5
386configure:2223: checking whether time.h and sys/time.h may both be included
387configure:2237: /usr/bin/clang -c -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c 1>&5
388configure:2258: checking whether struct tm is in sys/time.h or time.h
389configure:2271: /usr/bin/clang -c -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c 1>&5
390configure:2267:20: warning: expression result unused [-Wunused-value]
391struct tm *tp; tp->tm_sec;
392               ~~  ^~~~~~
3931 warning generated.
394configure:2305: checking size of unsigned short
395configure:2325: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
396configure:2316:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
397main()
398^
399configure:2319:11: error: implicitly declaring library function 'exit' with type 'void (int) __attribute__((noreturn))' [-Werror,-Wimplicit-function-declaration]
400  if (!f) exit(1);
401          ^
402configure:2319:11: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
403configure:2320:22: warning: format specifies type 'int' but the argument has type 'unsigned long' [-Wformat]
404  fprintf(f, "%d\n", sizeof(unsigned short));
405              ~~     ^~~~~~~~~~~~~~~~~~~~~~
406              %lu
4072 warnings and 1 error generated.
408configure: failed program was:
409#line 2313 "configure"
410#include "confdefs.h"
411#include <stdio.h>
412#include <sys/types.h>
413main()
414{
415  FILE *f=fopen("conftestval", "w");
416  if (!f) exit(1);
417  fprintf(f, "%d\n", sizeof(unsigned short));
418  exit(0);
419}
420configure:2345: checking size of unsigned
421configure:2365: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
422configure:2356:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
423main()
424^
425configure:2359:11: error: implicitly declaring library function 'exit' with type 'void (int) __attribute__((noreturn))' [-Werror,-Wimplicit-function-declaration]
426  if (!f) exit(1);
427          ^
428configure:2359:11: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
429configure:2360:22: warning: format specifies type 'int' but the argument has type 'unsigned long' [-Wformat]
430  fprintf(f, "%d\n", sizeof(unsigned));
431              ~~     ^~~~~~~~~~~~~~~~
432              %lu
4332 warnings and 1 error generated.
434configure: failed program was:
435#line 2353 "configure"
436#include "confdefs.h"
437#include <stdio.h>
438#include <sys/types.h>
439main()
440{
441  FILE *f=fopen("conftestval", "w");
442  if (!f) exit(1);
443  fprintf(f, "%d\n", sizeof(unsigned));
444  exit(0);
445}
446configure:2385: checking size of unsigned long
447configure:2405: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
448configure:2396:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
449main()
450^
451configure:2399:11: error: implicitly declaring library function 'exit' with type 'void (int) __attribute__((noreturn))' [-Werror,-Wimplicit-function-declaration]
452  if (!f) exit(1);
453          ^
454configure:2399:11: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
455configure:2400:22: warning: format specifies type 'int' but the argument has type 'unsigned long' [-Wformat]
456  fprintf(f, "%d\n", sizeof(unsigned long));
457              ~~     ^~~~~~~~~~~~~~~~~~~~~
458              %lu
4592 warnings and 1 error generated.
460configure: failed program was:
461#line 2393 "configure"
462#include "confdefs.h"
463#include <stdio.h>
464#include <sys/types.h>
465main()
466{
467  FILE *f=fopen("conftestval", "w");
468  if (!f) exit(1);
469  fprintf(f, "%d\n", sizeof(unsigned long));
470  exit(0);
471}
472configure:2426: checking size of unsigned long long
473configure:2446: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
474configure:2437:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
475main()
476^
477configure:2440:11: error: implicitly declaring library function 'exit' with type 'void (int) __attribute__((noreturn))' [-Werror,-Wimplicit-function-declaration]
478  if (!f) exit(1);
479          ^
480configure:2440:11: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
481configure:2441:22: warning: format specifies type 'int' but the argument has type 'unsigned long' [-Wformat]
482  fprintf(f, "%d\n", sizeof(unsigned long long));
483              ~~     ^~~~~~~~~~~~~~~~~~~~~~~~~~
484              %lu
4852 warnings and 1 error generated.
486configure: failed program was:
487#line 2434 "configure"
488#include "confdefs.h"
489#include <stdio.h>
490#include <sys/types.h>
491main()
492{
493  FILE *f=fopen("conftestval", "w");
494  if (!f) exit(1);
495  fprintf(f, "%d\n", sizeof(unsigned long long));
496  exit(0);
497}
498configure:2470: checking for big endian
499configure:2490: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
500configure: failed program was:
501#line 2478 "configure"
502#include "confdefs.h"
503
504        long l;
505        char *c = (char *)&l;
506        int main()
507        {
508                l = 0x12345678L;
509                return !(c[sizeof(long) - 1] == 0x78 && c[sizeof(long) - 2] == 0x56 && c[sizeof(long) - 3] == 0x34 && c[sizeof(long) - 4] == 0x12);
510        }
511       
512configure:2507: checking for little endian
513configure:2527: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
514configure:2558: checking if rename can replace existing files
515configure:2585: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
516configure:2610: checking return type of signal handlers
517configure:2632: /usr/bin/clang -c -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c 1>&5
518configure:2651: checking for strftime
519configure:2679: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
520configure:2747: checking for vprintf
521configure:2775: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
522configure:2759:6: warning: incompatible redeclaration of library function 'vprintf' [-Wincompatible-library-redeclaration]
523char vprintf();
524     ^
525configure:2759:6: note: 'vprintf' is a builtin with type 'int (const char *, struct __va_list_tag *)'
5261 warning generated.
527configure:2854: checking for bcmp
528configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
529configure:2866:6: warning: incompatible redeclaration of library function 'bcmp' [-Wincompatible-library-redeclaration]
530char bcmp();
531     ^
532configure:2866:6: note: 'bcmp' is a builtin with type 'int (const void *, const void *, unsigned long)'
5331 warning generated.
534configure:2854: checking for bcopy
535configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
536configure:2854: checking for bzero
537configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
538configure:2866:6: warning: incompatible redeclaration of library function 'bzero' [-Wincompatible-library-redeclaration]
539char bzero();
540     ^
541configure:2866:6: note: 'bzero' is a builtin with type 'void (void *, unsigned long)'
5421 warning generated.
543configure:2854: checking for calloc
544configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
545configure:2866:6: warning: incompatible redeclaration of library function 'calloc' [-Wincompatible-library-redeclaration]
546char calloc();
547     ^
548configure:2866:6: note: 'calloc' is a builtin with type 'void *(unsigned long, unsigned long)'
5491 warning generated.
550configure:2854: checking for cfmakeraw
551configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
552configure:2854: checking for chmod
553configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
554configure:2854: checking for cygwin_conv_path
555configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
556Undefined symbols for architecture x86_64:
557  "_cygwin_conv_path", referenced from:
558      _main in conftest-bc18e7.o
559ld: symbol(s) not found for architecture x86_64
560clang: error: linker command failed with exit code 1 (use -v to see invocation)
561configure: failed program was:
562#line 2859 "configure"
563#include "confdefs.h"
564/* System header to define __stub macros and hopefully few prototypes,
565    which can conflict with char cygwin_conv_path(); below.  */
566#include <assert.h>
567/* Override any gcc2 internal prototype to avoid an error.  */
568/* We use char because int might match the return type of a gcc2
569    builtin and then its argument prototype would still apply.  */
570char cygwin_conv_path();
571
572int main() {
573
574/* The GNU C library defines this for functions which it implements
575    to always fail with ENOSYS.  Some functions are actually named
576    something starting with __ and the normal name is an alias.  */
577#if defined (__stub_cygwin_conv_path) || defined (__stub___cygwin_conv_path)
578choke me
579#else
580cygwin_conv_path();
581#endif
582
583; return 0; }
584configure:2854: checking for cygwin_conv_to_full_win32_path
585configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
586Undefined symbols for architecture x86_64:
587  "_cygwin_conv_to_full_win32_path", referenced from:
588      _main in conftest-6d1954.o
589ld: symbol(s) not found for architecture x86_64
590clang: error: linker command failed with exit code 1 (use -v to see invocation)
591configure: failed program was:
592#line 2859 "configure"
593#include "confdefs.h"
594/* System header to define __stub macros and hopefully few prototypes,
595    which can conflict with char cygwin_conv_to_full_win32_path(); below.  */
596#include <assert.h>
597/* Override any gcc2 internal prototype to avoid an error.  */
598/* We use char because int might match the return type of a gcc2
599    builtin and then its argument prototype would still apply.  */
600char cygwin_conv_to_full_win32_path();
601
602int main() {
603
604/* The GNU C library defines this for functions which it implements
605    to always fail with ENOSYS.  Some functions are actually named
606    something starting with __ and the normal name is an alias.  */
607#if defined (__stub_cygwin_conv_to_full_win32_path) || defined (__stub___cygwin_conv_to_full_win32_path)
608choke me
609#else
610cygwin_conv_to_full_win32_path();
611#endif
612
613; return 0; }
614configure:2854: checking for dirfd
615configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
616configure:2854: checking for fallocate
617configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
618Undefined symbols for architecture x86_64:
619  "_fallocate", referenced from:
620      _main in conftest-6860a1.o
621ld: symbol(s) not found for architecture x86_64
622clang: error: linker command failed with exit code 1 (use -v to see invocation)
623configure: failed program was:
624#line 2859 "configure"
625#include "confdefs.h"
626/* System header to define __stub macros and hopefully few prototypes,
627    which can conflict with char fallocate(); below.  */
628#include <assert.h>
629/* Override any gcc2 internal prototype to avoid an error.  */
630/* We use char because int might match the return type of a gcc2
631    builtin and then its argument prototype would still apply.  */
632char fallocate();
633
634int main() {
635
636/* The GNU C library defines this for functions which it implements
637    to always fail with ENOSYS.  Some functions are actually named
638    something starting with __ and the normal name is an alias.  */
639#if defined (__stub_fallocate) || defined (__stub___fallocate)
640choke me
641#else
642fallocate();
643#endif
644
645; return 0; }
646configure:2854: checking for freelocale
647configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
648configure:2854: checking for getcwd
649configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
650configure:2854: checking for getgrgid
651configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
652configure:2854: checking for gethostname
653configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
654configure:2854: checking for getpagesize
655configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
656configure:2854: checking for getpid
657configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
658configure:2854: checking for getpwuid
659configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
660configure:2854: checking for getrlimit
661configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
662configure:2854: checking for gettimeofday
663configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
664configure:2854: checking for kqueue
665configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
666configure:2854: checking for malloc_trim
667configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
668Undefined symbols for architecture x86_64:
669  "_malloc_trim", referenced from:
670      _main in conftest-79c068.o
671ld: symbol(s) not found for architecture x86_64
672clang: error: linker command failed with exit code 1 (use -v to see invocation)
673configure: failed program was:
674#line 2859 "configure"
675#include "confdefs.h"
676/* System header to define __stub macros and hopefully few prototypes,
677    which can conflict with char malloc_trim(); below.  */
678#include <assert.h>
679/* Override any gcc2 internal prototype to avoid an error.  */
680/* We use char because int might match the return type of a gcc2
681    builtin and then its argument prototype would still apply.  */
682char malloc_trim();
683
684int main() {
685
686/* The GNU C library defines this for functions which it implements
687    to always fail with ENOSYS.  Some functions are actually named
688    something starting with __ and the normal name is an alias.  */
689#if defined (__stub_malloc_trim) || defined (__stub___malloc_trim)
690choke me
691#else
692malloc_trim();
693#endif
694
695; return 0; }
696configure:2854: checking for mallopt
697configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
698Undefined symbols for architecture x86_64:
699  "_mallopt", referenced from:
700      _main in conftest-b97d38.o
701ld: symbol(s) not found for architecture x86_64
702clang: error: linker command failed with exit code 1 (use -v to see invocation)
703configure: failed program was:
704#line 2859 "configure"
705#include "confdefs.h"
706/* System header to define __stub macros and hopefully few prototypes,
707    which can conflict with char mallopt(); below.  */
708#include <assert.h>
709/* Override any gcc2 internal prototype to avoid an error.  */
710/* We use char because int might match the return type of a gcc2
711    builtin and then its argument prototype would still apply.  */
712char mallopt();
713
714int main() {
715
716/* The GNU C library defines this for functions which it implements
717    to always fail with ENOSYS.  Some functions are actually named
718    something starting with __ and the normal name is an alias.  */
719#if defined (__stub_mallopt) || defined (__stub___mallopt)
720choke me
721#else
722mallopt();
723#endif
724
725; return 0; }
726configure:2854: checking for mktime
727configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
728configure:2854: checking for newlocale
729configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
730configure:2854: checking for nl_langinfo
731configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
732configure:2854: checking for poll
733configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
734configure:2854: checking for popen
735configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
736configure:2854: checking for posix_fallocate
737configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
738Undefined symbols for architecture x86_64:
739  "_posix_fallocate", referenced from:
740      _main in conftest-829125.o
741ld: symbol(s) not found for architecture x86_64
742clang: error: linker command failed with exit code 1 (use -v to see invocation)
743configure: failed program was:
744#line 2859 "configure"
745#include "confdefs.h"
746/* System header to define __stub macros and hopefully few prototypes,
747    which can conflict with char posix_fallocate(); below.  */
748#include <assert.h>
749/* Override any gcc2 internal prototype to avoid an error.  */
750/* We use char because int might match the return type of a gcc2
751    builtin and then its argument prototype would still apply.  */
752char posix_fallocate();
753
754int main() {
755
756/* The GNU C library defines this for functions which it implements
757    to always fail with ENOSYS.  Some functions are actually named
758    something starting with __ and the normal name is an alias.  */
759#if defined (__stub_posix_fallocate) || defined (__stub___posix_fallocate)
760choke me
761#else
762posix_fallocate();
763#endif
764
765; return 0; }
766configure:2854: checking for raise
767configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
768configure:2854: checking for select
769configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
770configure:2854: checking for setlocale
771configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
772configure:2854: checking for setpgid
773configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
774configure:2854: checking for setrlimit
775configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
776configure:2854: checking for setsid
777configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
778configure:2854: checking for sigaction
779configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
780configure:2854: checking for sigblock
781configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
782configure:2854: checking for sigdelset
783configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
784configure:2854: checking for sigprocmask
785configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
786configure:2854: checking for sigsetmask
787configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
788configure:2854: checking for snprintf
789configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
790configure:2866:6: warning: incompatible redeclaration of library function 'snprintf' [-Wincompatible-library-redeclaration]
791char snprintf();
792     ^
793configure:2866:6: note: 'snprintf' is a builtin with type 'int (char *, unsigned long, const char *, ...)'
7941 warning generated.
795configure:2854: checking for strdup
796configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
797configure:2866:6: warning: incompatible redeclaration of library function 'strdup' [-Wincompatible-library-redeclaration]
798char strdup();
799     ^
800configure:2866:6: note: 'strdup' is a builtin with type 'char *(const char *)'
8011 warning generated.
802configure:2854: checking for strerror_l
803configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
804Undefined symbols for architecture x86_64:
805  "_strerror_l", referenced from:
806      _main in conftest-706de6.o
807ld: symbol(s) not found for architecture x86_64
808clang: error: linker command failed with exit code 1 (use -v to see invocation)
809configure: failed program was:
810#line 2859 "configure"
811#include "confdefs.h"
812/* System header to define __stub macros and hopefully few prototypes,
813    which can conflict with char strerror_l(); below.  */
814#include <assert.h>
815/* Override any gcc2 internal prototype to avoid an error.  */
816/* We use char because int might match the return type of a gcc2
817    builtin and then its argument prototype would still apply.  */
818char strerror_l();
819
820int main() {
821
822/* The GNU C library defines this for functions which it implements
823    to always fail with ENOSYS.  Some functions are actually named
824    something starting with __ and the normal name is an alias.  */
825#if defined (__stub_strerror_l) || defined (__stub___strerror_l)
826choke me
827#else
828strerror_l();
829#endif
830
831; return 0; }
832configure:2854: checking for strptime
833configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
834configure:2854: checking for strtod
835configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
836configure:2866:6: warning: incompatible redeclaration of library function 'strtod' [-Wincompatible-library-redeclaration]
837char strtod();
838     ^
839configure:2866:6: note: 'strtod' is a builtin with type 'double (const char *, char **)'
8401 warning generated.
841configure:2854: checking for strtoimax
842configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
843configure:2854: checking for strtol
844configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
845configure:2866:6: warning: incompatible redeclaration of library function 'strtol' [-Wincompatible-library-redeclaration]
846char strtol();
847     ^
848configure:2866:6: note: 'strtol' is a builtin with type 'long (const char *, char **, int)'
8491 warning generated.
850configure:2854: checking for strtoll
851configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
852configure:2866:6: warning: incompatible redeclaration of library function 'strtoll' [-Wincompatible-library-redeclaration]
853char strtoll();
854     ^
855configure:2866:6: note: 'strtoll' is a builtin with type 'long long (const char *, char **, int)'
8561 warning generated.
857configure:2854: checking for strtoq
858configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
859configure:2854: checking for strtoul
860configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
861configure:2866:6: warning: incompatible redeclaration of library function 'strtoul' [-Wincompatible-library-redeclaration]
862char strtoul();
863     ^
864configure:2866:6: note: 'strtoul' is a builtin with type 'unsigned long (const char *, char **, int)'
8651 warning generated.
866configure:2854: checking for sysconf
867configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
868configure:2854: checking for tdelete
869configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
870configure:2854: checking for tempnam
871configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
872configure:2854: checking for tfind
873configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
874configure:2854: checking for tsearch
875configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
876configure:2854: checking for uname
877configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
878configure:2854: checking for unixpath2win
879configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
880Undefined symbols for architecture x86_64:
881  "_unixpath2win", referenced from:
882      _main in conftest-a88521.o
883ld: symbol(s) not found for architecture x86_64
884clang: error: linker command failed with exit code 1 (use -v to see invocation)
885configure: failed program was:
886#line 2859 "configure"
887#include "confdefs.h"
888/* System header to define __stub macros and hopefully few prototypes,
889    which can conflict with char unixpath2win(); below.  */
890#include <assert.h>
891/* Override any gcc2 internal prototype to avoid an error.  */
892/* We use char because int might match the return type of a gcc2
893    builtin and then its argument prototype would still apply.  */
894char unixpath2win();
895
896int main() {
897
898/* The GNU C library defines this for functions which it implements
899    to always fail with ENOSYS.  Some functions are actually named
900    something starting with __ and the normal name is an alias.  */
901#if defined (__stub_unixpath2win) || defined (__stub___unixpath2win)
902choke me
903#else
904unixpath2win();
905#endif
906
907; return 0; }
908configure:2854: checking for utime
909configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
910configure:2854: checking for utimes
911configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
912configure:2854: checking for uwin_path
913configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
914Undefined symbols for architecture x86_64:
915  "_uwin_path", referenced from:
916      _main in conftest-118982.o
917ld: symbol(s) not found for architecture x86_64
918clang: error: linker command failed with exit code 1 (use -v to see invocation)
919configure: failed program was:
920#line 2859 "configure"
921#include "confdefs.h"
922/* System header to define __stub macros and hopefully few prototypes,
923    which can conflict with char uwin_path(); below.  */
924#include <assert.h>
925/* Override any gcc2 internal prototype to avoid an error.  */
926/* We use char because int might match the return type of a gcc2
927    builtin and then its argument prototype would still apply.  */
928char uwin_path();
929
930int main() {
931
932/* The GNU C library defines this for functions which it implements
933    to always fail with ENOSYS.  Some functions are actually named
934    something starting with __ and the normal name is an alias.  */
935#if defined (__stub_uwin_path) || defined (__stub___uwin_path)
936choke me
937#else
938uwin_path();
939#endif
940
941; return 0; }
942configure:2854: checking for winpath2unix
943configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
944Undefined symbols for architecture x86_64:
945  "_winpath2unix", referenced from:
946      _main in conftest-6b59c1.o
947ld: symbol(s) not found for architecture x86_64
948clang: error: linker command failed with exit code 1 (use -v to see invocation)
949configure: failed program was:
950#line 2859 "configure"
951#include "confdefs.h"
952/* System header to define __stub macros and hopefully few prototypes,
953    which can conflict with char winpath2unix(); below.  */
954#include <assert.h>
955/* Override any gcc2 internal prototype to avoid an error.  */
956/* We use char because int might match the return type of a gcc2
957    builtin and then its argument prototype would still apply.  */
958char winpath2unix();
959
960int main() {
961
962/* The GNU C library defines this for functions which it implements
963    to always fail with ENOSYS.  Some functions are actually named
964    something starting with __ and the normal name is an alias.  */
965#if defined (__stub_winpath2unix) || defined (__stub___winpath2unix)
966choke me
967#else
968winpath2unix();
969#endif
970
971; return 0; }
972configure:2854: checking for _heapmin
973configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
974Undefined symbols for architecture x86_64:
975  "__heapmin", referenced from:
976      _main in conftest-193ce0.o
977ld: symbol(s) not found for architecture x86_64
978clang: error: linker command failed with exit code 1 (use -v to see invocation)
979configure: failed program was:
980#line 2859 "configure"
981#include "confdefs.h"
982/* System header to define __stub macros and hopefully few prototypes,
983    which can conflict with char _heapmin(); below.  */
984#include <assert.h>
985/* Override any gcc2 internal prototype to avoid an error.  */
986/* We use char because int might match the return type of a gcc2
987    builtin and then its argument prototype would still apply.  */
988char _heapmin();
989
990int main() {
991
992/* The GNU C library defines this for functions which it implements
993    to always fail with ENOSYS.  Some functions are actually named
994    something starting with __ and the normal name is an alias.  */
995#if defined (__stub__heapmin) || defined (__stub____heapmin)
996choke me
997#else
998_heapmin();
999#endif
1000
1001; return 0; }
1002configure:2854: checking for _msize
1003configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1004Undefined symbols for architecture x86_64:
1005  "__msize", referenced from:
1006      _main in conftest-de07b8.o
1007ld: symbol(s) not found for architecture x86_64
1008clang: error: linker command failed with exit code 1 (use -v to see invocation)
1009configure: failed program was:
1010#line 2859 "configure"
1011#include "confdefs.h"
1012/* System header to define __stub macros and hopefully few prototypes,
1013    which can conflict with char _msize(); below.  */
1014#include <assert.h>
1015/* Override any gcc2 internal prototype to avoid an error.  */
1016/* We use char because int might match the return type of a gcc2
1017    builtin and then its argument prototype would still apply.  */
1018char _msize();
1019
1020int main() {
1021
1022/* The GNU C library defines this for functions which it implements
1023    to always fail with ENOSYS.  Some functions are actually named
1024    something starting with __ and the normal name is an alias.  */
1025#if defined (__stub__msize) || defined (__stub____msize)
1026choke me
1027#else
1028_msize();
1029#endif
1030
1031; return 0; }
1032configure:2854: checking for _ucreate
1033configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1034Undefined symbols for architecture x86_64:
1035  "__ucreate", referenced from:
1036      _main in conftest-1fd23d.o
1037ld: symbol(s) not found for architecture x86_64
1038clang: error: linker command failed with exit code 1 (use -v to see invocation)
1039configure: failed program was:
1040#line 2859 "configure"
1041#include "confdefs.h"
1042/* System header to define __stub macros and hopefully few prototypes,
1043    which can conflict with char _ucreate(); below.  */
1044#include <assert.h>
1045/* Override any gcc2 internal prototype to avoid an error.  */
1046/* We use char because int might match the return type of a gcc2
1047    builtin and then its argument prototype would still apply.  */
1048char _ucreate();
1049
1050int main() {
1051
1052/* The GNU C library defines this for functions which it implements
1053    to always fail with ENOSYS.  Some functions are actually named
1054    something starting with __ and the normal name is an alias.  */
1055#if defined (__stub__ucreate) || defined (__stub____ucreate)
1056choke me
1057#else
1058_ucreate();
1059#endif
1060
1061; return 0; }
1062configure:2854: checking for _udefault
1063configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1064Undefined symbols for architecture x86_64:
1065  "__udefault", referenced from:
1066      _main in conftest-29fd48.o
1067ld: symbol(s) not found for architecture x86_64
1068clang: error: linker command failed with exit code 1 (use -v to see invocation)
1069configure: failed program was:
1070#line 2859 "configure"
1071#include "confdefs.h"
1072/* System header to define __stub macros and hopefully few prototypes,
1073    which can conflict with char _udefault(); below.  */
1074#include <assert.h>
1075/* Override any gcc2 internal prototype to avoid an error.  */
1076/* We use char because int might match the return type of a gcc2
1077    builtin and then its argument prototype would still apply.  */
1078char _udefault();
1079
1080int main() {
1081
1082/* The GNU C library defines this for functions which it implements
1083    to always fail with ENOSYS.  Some functions are actually named
1084    something starting with __ and the normal name is an alias.  */
1085#if defined (__stub__udefault) || defined (__stub____udefault)
1086choke me
1087#else
1088_udefault();
1089#endif
1090
1091; return 0; }
1092configure:2854: checking for _udestroy
1093configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1094Undefined symbols for architecture x86_64:
1095  "__udestroy", referenced from:
1096      _main in conftest-cd218b.o
1097ld: symbol(s) not found for architecture x86_64
1098clang: error: linker command failed with exit code 1 (use -v to see invocation)
1099configure: failed program was:
1100#line 2859 "configure"
1101#include "confdefs.h"
1102/* System header to define __stub macros and hopefully few prototypes,
1103    which can conflict with char _udestroy(); below.  */
1104#include <assert.h>
1105/* Override any gcc2 internal prototype to avoid an error.  */
1106/* We use char because int might match the return type of a gcc2
1107    builtin and then its argument prototype would still apply.  */
1108char _udestroy();
1109
1110int main() {
1111
1112/* The GNU C library defines this for functions which it implements
1113    to always fail with ENOSYS.  Some functions are actually named
1114    something starting with __ and the normal name is an alias.  */
1115#if defined (__stub__udestroy) || defined (__stub____udestroy)
1116choke me
1117#else
1118_udestroy();
1119#endif
1120
1121; return 0; }
1122configure:2854: checking for _uopen
1123configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1124Undefined symbols for architecture x86_64:
1125  "__uopen", referenced from:
1126      _main in conftest-393bc6.o
1127ld: symbol(s) not found for architecture x86_64
1128clang: error: linker command failed with exit code 1 (use -v to see invocation)
1129configure: failed program was:
1130#line 2859 "configure"
1131#include "confdefs.h"
1132/* System header to define __stub macros and hopefully few prototypes,
1133    which can conflict with char _uopen(); below.  */
1134#include <assert.h>
1135/* Override any gcc2 internal prototype to avoid an error.  */
1136/* We use char because int might match the return type of a gcc2
1137    builtin and then its argument prototype would still apply.  */
1138char _uopen();
1139
1140int main() {
1141
1142/* The GNU C library defines this for functions which it implements
1143    to always fail with ENOSYS.  Some functions are actually named
1144    something starting with __ and the normal name is an alias.  */
1145#if defined (__stub__uopen) || defined (__stub____uopen)
1146choke me
1147#else
1148_uopen();
1149#endif
1150
1151; return 0; }
1152configure:2854: checking for __strtoll
1153configure:2882: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1154Undefined symbols for architecture x86_64:
1155  "___strtoll", referenced from:
1156      _main in conftest-e6571c.o
1157ld: symbol(s) not found for architecture x86_64
1158clang: error: linker command failed with exit code 1 (use -v to see invocation)
1159configure: failed program was:
1160#line 2859 "configure"
1161#include "confdefs.h"
1162/* System header to define __stub macros and hopefully few prototypes,
1163    which can conflict with char __strtoll(); below.  */
1164#include <assert.h>
1165/* Override any gcc2 internal prototype to avoid an error.  */
1166/* We use char because int might match the return type of a gcc2
1167    builtin and then its argument prototype would still apply.  */
1168char __strtoll();
1169
1170int main() {
1171
1172/* The GNU C library defines this for functions which it implements
1173    to always fail with ENOSYS.  Some functions are actually named
1174    something starting with __ and the normal name is an alias.  */
1175#if defined (__stub___strtoll) || defined (__stub_____strtoll)
1176choke me
1177#else
1178__strtoll();
1179#endif
1180
1181; return 0; }
1182configure:2911: checking for strlen
1183configure:2939: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1184configure:2923:6: warning: incompatible redeclaration of library function 'strlen' [-Wincompatible-library-redeclaration]
1185char strlen();
1186     ^
1187configure:2923:6: note: 'strlen' is a builtin with type 'unsigned long (const char *)'
11881 warning generated.
1189configure:2964: checking for strlen
1190configure:2976: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1191configure:3000: checking for strnlen
1192configure:3028: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1193configure:3053: checking for strnlen
1194configure:3065: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1195configure:3089: checking for strcpy
1196configure:3117: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1197configure:3101:6: warning: incompatible redeclaration of library function 'strcpy' [-Wincompatible-library-redeclaration]
1198char strcpy();
1199     ^
1200configure:3101:6: note: 'strcpy' is a builtin with type 'char *(char *, const char *)'
12011 warning generated.
1202configure:3142: checking for strcpy
1203configure:3154: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1204configure:3178: checking for strncpy
1205configure:3206: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1206configure:3190:6: warning: incompatible redeclaration of library function 'strncpy' [-Wincompatible-library-redeclaration]
1207char strncpy();
1208     ^
1209configure:3190:6: note: 'strncpy' is a builtin with type 'char *(char *, const char *, unsigned long)'
12101 warning generated.
1211configure:3231: checking for strncpy
1212configure:3243: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1213configure:3267: checking for strchr
1214configure:3295: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1215configure:3279:6: warning: incompatible redeclaration of library function 'strchr' [-Wincompatible-library-redeclaration]
1216char strchr();
1217     ^
1218configure:3279:6: note: 'strchr' is a builtin with type 'char *(const char *, int)'
12191 warning generated.
1220configure:3320: checking for strchr
1221configure:3332: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1222configure:3356: checking for strrchr
1223configure:3384: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1224configure:3368:6: warning: incompatible redeclaration of library function 'strrchr' [-Wincompatible-library-redeclaration]
1225char strrchr();
1226     ^
1227configure:3368:6: note: 'strrchr' is a builtin with type 'char *(const char *, int)'
12281 warning generated.
1229configure:3409: checking for strrchr
1230configure:3421: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1231configure:3445: checking for strcmp
1232configure:3473: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1233configure:3457:6: warning: incompatible redeclaration of library function 'strcmp' [-Wincompatible-library-redeclaration]
1234char strcmp();
1235     ^
1236configure:3457:6: note: 'strcmp' is a builtin with type 'int (const char *, const char *)'
12371 warning generated.
1238configure:3498: checking for strcmp
1239configure:3510: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1240configure:3534: checking for strncmp
1241configure:3562: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1242configure:3546:6: warning: incompatible redeclaration of library function 'strncmp' [-Wincompatible-library-redeclaration]
1243char strncmp();
1244     ^
1245configure:3546:6: note: 'strncmp' is a builtin with type 'int (const char *, const char *, unsigned long)'
12461 warning generated.
1247configure:3587: checking for strncmp
1248configure:3599: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1249configure:3623: checking for strcspn
1250configure:3651: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1251configure:3635:6: warning: incompatible redeclaration of library function 'strcspn' [-Wincompatible-library-redeclaration]
1252char strcspn();
1253     ^
1254configure:3635:6: note: 'strcspn' is a builtin with type 'unsigned long (const char *, const char *)'
12551 warning generated.
1256configure:3676: checking for strcspn
1257configure:3688: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1258configure:3712: checking for strspn
1259configure:3740: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1260configure:3724:6: warning: incompatible redeclaration of library function 'strspn' [-Wincompatible-library-redeclaration]
1261char strspn();
1262     ^
1263configure:3724:6: note: 'strspn' is a builtin with type 'unsigned long (const char *, const char *)'
12641 warning generated.
1265configure:3765: checking for strspn
1266configure:3777: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1267configure:3801: checking for strstr
1268configure:3829: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1269configure:3813:6: warning: incompatible redeclaration of library function 'strstr' [-Wincompatible-library-redeclaration]
1270char strstr();
1271     ^
1272configure:3813:6: note: 'strstr' is a builtin with type 'char *(const char *, const char *)'
12731 warning generated.
1274configure:3854: checking for strstr
1275configure:3866: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1276configure:3890: checking for memchr
1277configure:3918: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1278configure:3902:6: warning: incompatible redeclaration of library function 'memchr' [-Wincompatible-library-redeclaration]
1279char memchr();
1280     ^
1281configure:3902:6: note: 'memchr' is a builtin with type 'void *(const void *, int, unsigned long)'
12821 warning generated.
1283configure:3943: checking for memchr
1284configure:3955: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1285configure:3979: checking for memrchr
1286configure:4007: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1287Undefined symbols for architecture x86_64:
1288  "_memrchr", referenced from:
1289      _main in conftest-3856a6.o
1290ld: symbol(s) not found for architecture x86_64
1291clang: error: linker command failed with exit code 1 (use -v to see invocation)
1292configure: failed program was:
1293#line 3984 "configure"
1294#include "confdefs.h"
1295/* System header to define __stub macros and hopefully few prototypes,
1296    which can conflict with char memrchr(); below.  */
1297#include <assert.h>
1298/* Override any gcc2 internal prototype to avoid an error.  */
1299/* We use char because int might match the return type of a gcc2
1300    builtin and then its argument prototype would still apply.  */
1301char memrchr();
1302
1303int main() {
1304
1305/* The GNU C library defines this for functions which it implements
1306    to always fail with ENOSYS.  Some functions are actually named
1307    something starting with __ and the normal name is an alias.  */
1308#if defined (__stub_memrchr) || defined (__stub___memrchr)
1309choke me
1310#else
1311memrchr();
1312#endif
1313
1314; return 0; }
1315configure:4032: checking for memrchr
1316configure:4044: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1317configure:4040:56: error: implicit declaration of function 'memrchr' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
1318char * volatile str = ""; volatile int l = 1; return !!memrchr(str, 0, l);
1319                                                       ^
1320configure:4040:56: note: did you mean 'memchr'?
1321/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/string.h:70:7: note: 'memchr' declared here
1322void    *memchr(const void *__s, int __c, size_t __n);
1323         ^
13241 error generated.
1325configure: failed program was:
1326#line 4037 "configure"
1327#include "confdefs.h"
1328#include <string.h>
1329int main() {
1330char * volatile str = ""; volatile int l = 1; return !!memrchr(str, 0, l);
1331; return 0; }
1332configure:4068: checking for memcmp
1333configure:4096: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1334configure:4080:6: warning: incompatible redeclaration of library function 'memcmp' [-Wincompatible-library-redeclaration]
1335char memcmp();
1336     ^
1337configure:4080:6: note: 'memcmp' is a builtin with type 'int (const void *, const void *, unsigned long)'
13381 warning generated.
1339configure:4121: checking for memcmp
1340configure:4133: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1341configure:4157: checking for memcpy
1342configure:4185: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1343configure:4169:6: warning: incompatible redeclaration of library function 'memcpy' [-Wincompatible-library-redeclaration]
1344char memcpy();
1345     ^
1346configure:4169:6: note: 'memcpy' is a builtin with type 'void *(void *, const void *, unsigned long)'
13471 warning generated.
1348configure:4210: checking for memcpy
1349configure:4222: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1350configure:4246: checking for memmove
1351configure:4274: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1352configure:4258:6: warning: incompatible redeclaration of library function 'memmove' [-Wincompatible-library-redeclaration]
1353char memmove();
1354     ^
1355configure:4258:6: note: 'memmove' is a builtin with type 'void *(void *, const void *, unsigned long)'
13561 warning generated.
1357configure:4299: checking for memmove
1358configure:4311: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1359configure:4335: checking for memset
1360configure:4363: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1361configure:4347:6: warning: incompatible redeclaration of library function 'memset' [-Wincompatible-library-redeclaration]
1362char memset();
1363     ^
1364configure:4347:6: note: 'memset' is a builtin with type 'void *(void *, int, unsigned long)'
13651 warning generated.
1366configure:4388: checking for memset
1367configure:4400: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1368configure:4424: checking for memmem
1369configure:4452: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1370configure:4477: checking for memmem
1371configure:4490: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1372configure:4514: checking for strerror
1373configure:4542: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1374configure:4526:6: warning: incompatible redeclaration of library function 'strerror' [-Wincompatible-library-redeclaration]
1375char strerror();
1376     ^
1377configure:4526:6: note: 'strerror' is a builtin with type 'char *(int)'
13781 warning generated.
1379configure:4567: checking for strerror
1380configure:4579: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1381configure:4601: checking for sigfillset
1382configure:4613: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1383configure:4635: checking for sigsetjmp/siglongjmp
1384configure:4647: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1385configure:4669: checking for gcc assembler
1386configure:4710: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1387configure:4734: checking for __builtin_add_overflow
1388configure:4746: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1389configure:4768: checking for __builtin_clz
1390configure:4780: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1391configure:4807: checking for strmode in -lbsd
1392configure:4826: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lbsd   1>&5
1393ld: library not found for -lbsd
1394clang: error: linker command failed with exit code 1 (use -v to see invocation)
1395configure: failed program was:
1396#line 4815 "configure"
1397#include "confdefs.h"
1398/* Override any gcc2 internal prototype to avoid an error.  */
1399/* We use char because int might match the return type of a gcc2
1400    builtin and then its argument prototype would still apply.  */
1401char strmode();
1402
1403int main() {
1404strmode()
1405; return 0; }
1406configure:4856: checking for requested debug level
1407configure:4877: checking if you want to enable javascript
1408configure:5252: checking if you want to use graphics
1409configure:5262: checking if you want to enable UTF-8 terminal
1410configure:5286: checking for clock_gettime
1411configure:5314: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1412configure:5395: checking for socket
1413configure:5423: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1414configure:5643: checking for setsockopt
1415configure:5671: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1416configure:5742: checking for gethostbyname
1417configure:5770: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1418configure:5948: checking for getaddrinfo
1419configure:5976: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1420configure:5948: checking for freeaddrinfo
1421configure:5976: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1422configure:5948: checking for gai_strerror
1423configure:5976: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1424configure:6012: checking for inet_ntop
1425configure:6040: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1426configure:6012: checking for inet_pton
1427configure:6040: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1428configure:6012: checking for herror
1429configure:6040: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c  1>&5
1430configure:6073: checking for ipv6
1431configure:6092: /usr/bin/clang -c -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c 1>&5
1432configure:6116: checking for sockaddr_in6.sin6_scope_id
1433configure:6135: /usr/bin/clang -c -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c 1>&5
1434configure:6167: checking for event.h
1435configure:6177: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
1436configure:6167: checking for ev-event.h
1437configure:6177: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
1438configure:6173:10: fatal error: 'ev-event.h' file not found
1439#include <ev-event.h>
1440         ^~~~~~~~~~~~
14411 error generated.
1442configure: failed program was:
1443#line 6172 "configure"
1444#include "confdefs.h"
1445#include <ev-event.h>
1446configure:6205: checking for event_loop in -levent
1447configure:6224: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -levent   1>&5
1448configure:6314: checking for event_base_set
1449configure:6342: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -levent  1>&5
1450configure:6314: checking for event_get_version
1451configure:6342: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -levent  1>&5
1452configure:6314: checking for event_get_method
1453configure:6342: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -levent  1>&5
1454configure:6314: checking for event_base_free
1455configure:6342: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -levent  1>&5
1456configure:6314: checking for event_base_new
1457configure:6342: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -levent  1>&5
1458configure:6314: checking for event_reinit
1459configure:6342: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -levent  1>&5
1460configure:6314: checking for event_base_get_method
1461configure:6342: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -levent  1>&5
1462configure:6314: checking for event_config_set_flag
1463configure:6342: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -levent  1>&5
1464configure:6314: checking for event_get_struct_event_size
1465configure:6342: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -levent  1>&5
1466configure:6370: checking for pow in -lm
1467configure:6389: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lm  -levent  1>&5
1468configure:6382:6: warning: incompatible redeclaration of library function 'pow' [-Wincompatible-library-redeclaration]
1469char pow();
1470     ^
1471configure:6382:6: note: 'pow' is a builtin with type 'double (double, double)'
14721 warning generated.
1473configure:6462: checking for pow
1474configure:6474: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lm -levent  1>&5
1475configure:6495: checking for powf
1476configure:6507: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lm -levent  1>&5
1477configure:6544: checking for gpm.h
1478configure:6554: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
1479configure:6550:10: fatal error: 'gpm.h' file not found
1480#include <gpm.h>
1481         ^~~~~~~
14821 error generated.
1483configure: failed program was:
1484#line 6549 "configure"
1485#include "confdefs.h"
1486#include <gpm.h>
1487configure:6581: checking for Gpm_Open in -lgpm
1488configure:6600: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lgpm  -lm -levent  1>&5
1489ld: library not found for -lgpm
1490clang: error: linker command failed with exit code 1 (use -v to see invocation)
1491configure: failed program was:
1492#line 6589 "configure"
1493#include "confdefs.h"
1494/* Override any gcc2 internal prototype to avoid an error.  */
1495/* We use char because int might match the return type of a gcc2
1496    builtin and then its argument prototype would still apply.  */
1497char Gpm_Open();
1498
1499int main() {
1500Gpm_Open()
1501; return 0; }
1502configure:6630: checking for Gpm_GetLibVersion
1503configure:6658: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lm -levent  1>&5
1504Undefined symbols for architecture x86_64:
1505  "_Gpm_GetLibVersion", referenced from:
1506      _main in conftest-c297f9.o
1507ld: symbol(s) not found for architecture x86_64
1508clang: error: linker command failed with exit code 1 (use -v to see invocation)
1509configure: failed program was:
1510#line 6635 "configure"
1511#include "confdefs.h"
1512/* System header to define __stub macros and hopefully few prototypes,
1513    which can conflict with char Gpm_GetLibVersion(); below.  */
1514#include <assert.h>
1515/* Override any gcc2 internal prototype to avoid an error.  */
1516/* We use char because int might match the return type of a gcc2
1517    builtin and then its argument prototype would still apply.  */
1518char Gpm_GetLibVersion();
1519
1520int main() {
1521
1522/* The GNU C library defines this for functions which it implements
1523    to always fail with ENOSYS.  Some functions are actually named
1524    something starting with __ and the normal name is an alias.  */
1525#if defined (__stub_Gpm_GetLibVersion) || defined (__stub___Gpm_GetLibVersion)
1526choke me
1527#else
1528Gpm_GetLibVersion();
1529#endif
1530
1531; return 0; }
1532configure:6733: checking for OS/2 threads
1533configure:6747: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -Zmt -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lm -levent  1>&5
1534clang: error: unsupported use of internal gcc -Z option '-Zmt'
1535configure: failed program was:
1536#line 6740 "configure"
1537#include "confdefs.h"
1538#include <stdlib.h>
1539int main() {
1540_beginthread(NULL, NULL, 0, NULL)
1541; return 0; }
1542configure:6773: checking for atheos/threads.h
1543configure:6783: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk conftest.c >/dev/null 2>conftest.out
1544configure:6779:10: fatal error: 'atheos/threads.h' file not found
1545#include <atheos/threads.h>
1546         ^~~~~~~~~~~~~~~~~~
15471 error generated.
1548configure: failed program was:
1549#line 6778 "configure"
1550#include "confdefs.h"
1551#include <atheos/threads.h>
1552configure:6812: checking for spawn_thread
1553configure:6840: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lm -levent  1>&5
1554Undefined symbols for architecture x86_64:
1555  "_spawn_thread", referenced from:
1556      _main in conftest-62431f.o
1557ld: symbol(s) not found for architecture x86_64
1558clang: error: linker command failed with exit code 1 (use -v to see invocation)
1559configure: failed program was:
1560#line 6817 "configure"
1561#include "confdefs.h"
1562/* System header to define __stub macros and hopefully few prototypes,
1563    which can conflict with char spawn_thread(); below.  */
1564#include <assert.h>
1565/* Override any gcc2 internal prototype to avoid an error.  */
1566/* We use char because int might match the return type of a gcc2
1567    builtin and then its argument prototype would still apply.  */
1568char spawn_thread();
1569
1570int main() {
1571
1572/* The GNU C library defines this for functions which it implements
1573    to always fail with ENOSYS.  Some functions are actually named
1574    something starting with __ and the normal name is an alias.  */
1575#if defined (__stub_spawn_thread) || defined (__stub___spawn_thread)
1576choke me
1577#else
1578spawn_thread();
1579#endif
1580
1581; return 0; }
1582configure:6812: checking for resume_thread
1583configure:6840: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lm -levent  1>&5
1584Undefined symbols for architecture x86_64:
1585  "_resume_thread", referenced from:
1586      _main in conftest-c14a21.o
1587ld: symbol(s) not found for architecture x86_64
1588clang: error: linker command failed with exit code 1 (use -v to see invocation)
1589configure: failed program was:
1590#line 6817 "configure"
1591#include "confdefs.h"
1592/* System header to define __stub macros and hopefully few prototypes,
1593    which can conflict with char resume_thread(); below.  */
1594#include <assert.h>
1595/* Override any gcc2 internal prototype to avoid an error.  */
1596/* We use char because int might match the return type of a gcc2
1597    builtin and then its argument prototype would still apply.  */
1598char resume_thread();
1599
1600int main() {
1601
1602/* The GNU C library defines this for functions which it implements
1603    to always fail with ENOSYS.  Some functions are actually named
1604    something starting with __ and the normal name is an alias.  */
1605#if defined (__stub_resume_thread) || defined (__stub___resume_thread)
1606choke me
1607#else
1608resume_thread();
1609#endif
1610
1611; return 0; }
1612configure:6868: checking for MouOpen
1613configure:6896: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lm -levent  1>&5
1614Undefined symbols for architecture x86_64:
1615  "_MouOpen", referenced from:
1616      _main in conftest-72de27.o
1617ld: symbol(s) not found for architecture x86_64
1618clang: error: linker command failed with exit code 1 (use -v to see invocation)
1619configure: failed program was:
1620#line 6873 "configure"
1621#include "confdefs.h"
1622/* System header to define __stub macros and hopefully few prototypes,
1623    which can conflict with char MouOpen(); below.  */
1624#include <assert.h>
1625/* Override any gcc2 internal prototype to avoid an error.  */
1626/* We use char because int might match the return type of a gcc2
1627    builtin and then its argument prototype would still apply.  */
1628char MouOpen();
1629
1630int main() {
1631
1632/* The GNU C library defines this for functions which it implements
1633    to always fail with ENOSYS.  Some functions are actually named
1634    something starting with __ and the normal name is an alias.  */
1635#if defined (__stub_MouOpen) || defined (__stub___MouOpen)
1636choke me
1637#else
1638MouOpen();
1639#endif
1640
1641; return 0; }
1642configure:6868: checking for _read_kbd
1643configure:6896: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lm -levent  1>&5
1644Undefined symbols for architecture x86_64:
1645  "__read_kbd", referenced from:
1646      _main in conftest-bb409a.o
1647ld: symbol(s) not found for architecture x86_64
1648clang: error: linker command failed with exit code 1 (use -v to see invocation)
1649configure: failed program was:
1650#line 6873 "configure"
1651#include "confdefs.h"
1652/* System header to define __stub macros and hopefully few prototypes,
1653    which can conflict with char _read_kbd(); below.  */
1654#include <assert.h>
1655/* Override any gcc2 internal prototype to avoid an error.  */
1656/* We use char because int might match the return type of a gcc2
1657    builtin and then its argument prototype would still apply.  */
1658char _read_kbd();
1659
1660int main() {
1661
1662/* The GNU C library defines this for functions which it implements
1663    to always fail with ENOSYS.  Some functions are actually named
1664    something starting with __ and the normal name is an alias.  */
1665#if defined (__stub__read_kbd) || defined (__stub____read_kbd)
1666choke me
1667#else
1668_read_kbd();
1669#endif
1670
1671; return 0; }
1672configure:6921: checking for XFree for OS/2
1673configure:7116: checking for pkg-config
1674configure:7160: checking for openssl
1675configure:7167: checking OPENSSL_CFLAGS
1676configure:7172: checking OPENSSL_LIBS
1677configure:7204: checking for OpenSSL
1678configure:7216: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1679configure:7415: checking for openssl/x509v3.h
1680configure:7425: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.c >/dev/null 2>conftest.out
1681configure:7461: checking for ASN1_STRING_get0_data
1682configure:7489: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1683configure:7461: checking for ASN1_STRING_to_UTF8
1684configure:7489: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1685configure:7461: checking for OPENSSL_cleanup
1686configure:7489: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1687configure:7461: checking for OPENSSL_init_ssl
1688configure:7489: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1689configure:7461: checking for RAND_add
1690configure:7489: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1691configure:7461: checking for RAND_egd
1692configure:7489: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1693Undefined symbols for architecture x86_64:
1694  "_RAND_egd", referenced from:
1695      _main in conftest-92450f.o
1696ld: symbol(s) not found for architecture x86_64
1697clang: error: linker command failed with exit code 1 (use -v to see invocation)
1698configure: failed program was:
1699#line 7466 "configure"
1700#include "confdefs.h"
1701/* System header to define __stub macros and hopefully few prototypes,
1702    which can conflict with char RAND_egd(); below.  */
1703#include <assert.h>
1704/* Override any gcc2 internal prototype to avoid an error.  */
1705/* We use char because int might match the return type of a gcc2
1706    builtin and then its argument prototype would still apply.  */
1707char RAND_egd();
1708
1709int main() {
1710
1711/* The GNU C library defines this for functions which it implements
1712    to always fail with ENOSYS.  Some functions are actually named
1713    something starting with __ and the normal name is an alias.  */
1714#if defined (__stub_RAND_egd) || defined (__stub___RAND_egd)
1715choke me
1716#else
1717RAND_egd();
1718#endif
1719
1720; return 0; }
1721configure:7461: checking for RAND_file_name
1722configure:7489: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1723configure:7461: checking for RAND_load_file
1724configure:7489: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1725configure:7461: checking for RAND_write_file
1726configure:7489: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1727configure:7461: checking for SSL_SESSION_is_resumable
1728configure:7489: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1729configure:7461: checking for SSL_get0_verified_chain
1730configure:7489: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1731configure:7461: checking for SSL_get1_peer_certificate
1732configure:7489: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1733Undefined symbols for architecture x86_64:
1734  "_SSL_get1_peer_certificate", referenced from:
1735      _main in conftest-0423dc.o
1736ld: symbol(s) not found for architecture x86_64
1737clang: error: linker command failed with exit code 1 (use -v to see invocation)
1738configure: failed program was:
1739#line 7466 "configure"
1740#include "confdefs.h"
1741/* System header to define __stub macros and hopefully few prototypes,
1742    which can conflict with char SSL_get1_peer_certificate(); below.  */
1743#include <assert.h>
1744/* Override any gcc2 internal prototype to avoid an error.  */
1745/* We use char because int might match the return type of a gcc2
1746    builtin and then its argument prototype would still apply.  */
1747char SSL_get1_peer_certificate();
1748
1749int main() {
1750
1751/* The GNU C library defines this for functions which it implements
1752    to always fail with ENOSYS.  Some functions are actually named
1753    something starting with __ and the normal name is an alias.  */
1754#if defined (__stub_SSL_get1_peer_certificate) || defined (__stub___SSL_get1_peer_certificate)
1755choke me
1756#else
1757SSL_get1_peer_certificate();
1758#endif
1759
1760; return 0; }
1761configure:7461: checking for SSL_get1_session
1762configure:7489: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1763configure:7461: checking for SSL_load_error_strings
1764configure:7489: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1765Undefined symbols for architecture x86_64:
1766  "_SSL_load_error_strings", referenced from:
1767      _main in conftest-489331.o
1768ld: symbol(s) not found for architecture x86_64
1769clang: error: linker command failed with exit code 1 (use -v to see invocation)
1770configure: failed program was:
1771#line 7466 "configure"
1772#include "confdefs.h"
1773/* System header to define __stub macros and hopefully few prototypes,
1774    which can conflict with char SSL_load_error_strings(); below.  */
1775#include <assert.h>
1776/* Override any gcc2 internal prototype to avoid an error.  */
1777/* We use char because int might match the return type of a gcc2
1778    builtin and then its argument prototype would still apply.  */
1779char SSL_load_error_strings();
1780
1781int main() {
1782
1783/* The GNU C library defines this for functions which it implements
1784    to always fail with ENOSYS.  Some functions are actually named
1785    something starting with __ and the normal name is an alias.  */
1786#if defined (__stub_SSL_load_error_strings) || defined (__stub___SSL_load_error_strings)
1787choke me
1788#else
1789SSL_load_error_strings();
1790#endif
1791
1792; return 0; }
1793configure:7461: checking for SSL_set_security_level
1794configure:7489: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1795configure:7461: checking for X509_check_host
1796configure:7489: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1797configure:7461: checking for X509_check_ip
1798configure:7489: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1799configure:7514: checking for CRYPTO_set_mem_functions without file/line
1800configure:7528: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1801configure:7524:39: error: 'int (*)(void *(*)(size_t, const char *, int), void *(*)(void *, size_t, const char *, int), void (*)(void *, const char *, int))' (aka 'int (*)(void *(*)(unsigned long, const char *, int), void *(*)(void *, unsigned long, const char *, int), void (*)(void *, const char *, int))') and 'int (*)(void *(*)(size_t), void *(*)(void *, size_t), void (*)(void *))' (aka 'int (*)(void *(*)(unsigned long), void *(*)(void *, unsigned long), void (*)(void *))') are not pointers to compatible types
1802return (int)(CRYPTO_set_mem_functions - csmf);
1803             ~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~~
18041 error generated.
1805configure: failed program was:
1806#line 7519 "configure"
1807#include "confdefs.h"
1808#include <openssl/crypto.h>
1809                        static int csmf(void *(*m)(size_t), void *(*r)(void *, size_t), void (*f)(void *)) { return 0; }
1810                       
1811int main() {
1812return (int)(CRYPTO_set_mem_functions - csmf);
1813; return 0; }
1814configure:7549: checking for CRYPTO_set_mem_functions with file/line
1815configure:7563: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1816configure:7631: checking for zlib.h
1817configure:7641: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.c >/dev/null 2>conftest.out
1818configure:7668: checking for inflate in -lz
1819configure:7687: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lz  -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1820configure:7728: checking for brotli/decode.h
1821configure:7738: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.c >/dev/null 2>conftest.out
1822configure:7765: checking for BrotliDecoderDecompressStream in -lbrotlidec
1823configure:7784: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lbrotlidec  -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1824configure:7825: checking for zstd.h
1825configure:7835: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.c >/dev/null 2>conftest.out
1826configure:7862: checking for ZSTD_decompressStream in -lzstd
1827configure:7881: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lzstd  -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1828configure:7912: checking for ZSTD_getErrorCode
1829configure:7940: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1830configure:7977: checking for bzlib.h
1831configure:7987: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.c >/dev/null 2>conftest.out
1832configure:8014: checking for BZ2_bzDecompress in -lbz2
1833configure:8033: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lbz2  -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1834configure:8074: checking for lzma.h
1835configure:8084: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.c >/dev/null 2>conftest.out
1836configure:8111: checking for lzma_auto_decoder in -llzma
1837configure:8130: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -llzma  -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1838configure:8171: checking for lzlib.h
1839configure:8181: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.c >/dev/null 2>conftest.out
1840configure:8177:10: fatal error: 'lzlib.h' file not found
1841#include <lzlib.h>
1842         ^~~~~~~~~
18431 error generated.
1844configure: failed program was:
1845#line 8176 "configure"
1846#include "confdefs.h"
1847#include <lzlib.h>
1848configure:8208: checking for LZ_decompress_open in -llz
1849configure:8227: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -llz  -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1850ld: library not found for -llz
1851clang: error: linker command failed with exit code 1 (use -v to see invocation)
1852configure: failed program was:
1853#line 8216 "configure"
1854#include "confdefs.h"
1855/* Override any gcc2 internal prototype to avoid an error.  */
1856/* We use char because int might match the return type of a gcc2
1857    builtin and then its argument prototype would still apply.  */
1858char LZ_decompress_open();
1859
1860int main() {
1861LZ_decompress_open()
1862; return 0; }
1863configure:8450: checking for svgalib
1864configure:8462: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lvga -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1865configure:8456:10: fatal error: 'vga.h' file not found
1866#include <vga.h>
1867         ^~~~~~~
18681 error generated.
1869configure: failed program was:
1870#line 8455 "configure"
1871#include "confdefs.h"
1872#include <vga.h>
1873int main() {
1874vga_setmode(0)
1875; return 0; }
1876configure:8548: checking for linux/fb.h
1877configure:8558: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.c >/dev/null 2>conftest.out
1878configure:8554:10: fatal error: 'linux/fb.h' file not found
1879#include <linux/fb.h>
1880         ^~~~~~~~~~~~
18811 error generated.
1882configure: failed program was:
1883#line 8553 "configure"
1884#include "confdefs.h"
1885#include <linux/fb.h>
1886configure:8548: checking for linux/kd.h
1887configure:8558: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.c >/dev/null 2>conftest.out
1888configure:8554:10: fatal error: 'linux/kd.h' file not found
1889#include <linux/kd.h>
1890         ^~~~~~~~~~~~
18911 error generated.
1892configure: failed program was:
1893#line 8553 "configure"
1894#include "confdefs.h"
1895#include <linux/kd.h>
1896configure:8548: checking for linux/vt.h
1897configure:8558: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.c >/dev/null 2>conftest.out
1898configure:8554:10: fatal error: 'linux/vt.h' file not found
1899#include <linux/vt.h>
1900         ^~~~~~~~~~~~
19011 error generated.
1902configure: failed program was:
1903#line 8553 "configure"
1904#include "confdefs.h"
1905#include <linux/vt.h>
1906configure:8548: checking for sys/mman.h
1907configure:8558: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.c >/dev/null 2>conftest.out
1908configure:8597: checking for directfb-config
1909configure:8696: checking for directfb
1910configure:8796: checking for X
1911configure:8863: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.c >/dev/null 2>conftest.out
1912configure:8939: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lXt -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1913configure:8935:1: error: implicit declaration of function 'XtMalloc' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
1914XtMalloc()
1915^
19161 error generated.
1917configure: failed program was:
1918#line 8932 "configure"
1919#include "confdefs.h"
1920
1921int main() {
1922XtMalloc()
1923; return 0; }
1924configure:9321: checking for X11/Xlib.h
1925configure:9331: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.c >/dev/null 2>conftest.out
1926configure:9321: checking for X11/X.h
1927configure:9331: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.c >/dev/null 2>conftest.out
1928configure:9321: checking for X11/Xutil.h
1929configure:9331: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.c >/dev/null 2>conftest.out
1930configure:9321: checking for X11/Xatom.h
1931configure:9331: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.c >/dev/null 2>conftest.out
1932configure:9321: checking for X11/Xlocale.h
1933configure:9331: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.c >/dev/null 2>conftest.out
1934configure:9321: checking for X11/keysymdef.h
1935configure:9331: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.c >/dev/null 2>conftest.out
1936configure:9361: checking for XOpenDisplay
1937configure:9389: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lX11 -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1938configure:9361: checking for XOpenIM
1939configure:9389: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lX11 -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1940configure:9361: checking for XCloseIM
1941configure:9389: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lX11 -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1942configure:9361: checking for XCreateIC
1943configure:9389: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lX11 -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1944configure:9361: checking for XDestroyIC
1945configure:9389: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lX11 -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1946configure:9361: checking for XwcLookupString
1947configure:9389: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lX11 -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1948configure:9361: checking for Xutf8LookupString
1949configure:9389: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lX11 -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1950configure:9361: checking for XSupportsLocale
1951configure:9389: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lX11 -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1952configure:9361: checking for XmbTextListToTextProperty
1953configure:9389: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lX11 -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1954configure:9415: checking for Xsetlocale
1955configure:9427: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lX11 -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1956configure:9511: checking for windowsx.h
1957configure:9521: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.c >/dev/null 2>conftest.out
1958configure:9517:10: fatal error: 'windowsx.h' file not found
1959#include <windowsx.h>
1960         ^~~~~~~~~~~~
19611 error generated.
1962configure: failed program was:
1963#line 9516 "configure"
1964#include "confdefs.h"
1965#include <windowsx.h>
1966configure:9548: checking for ReleaseDC
1967configure:9562: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1968configure:9555:13: fatal error: 'windows.h' file not found
1969                        #include <windows.h>
1970                                 ^~~~~~~~~~~
19711 error generated.
1972configure: failed program was:
1973#line 9553 "configure"
1974#include "confdefs.h"
1975
1976                        #include <windows.h>
1977                        #include <pthread.h>
1978int main() {
1979ReleaseDC(NULL, NULL)
1980; return 0; }
1981configure:9579: checking for ReleaseDC in -luser32
1982configure:9593: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -luser32 -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1983configure:9586:14: fatal error: 'windows.h' file not found
1984                                #include <windows.h>
1985                                         ^~~~~~~~~~~
19861 error generated.
1987configure: failed program was:
1988#line 9584 "configure"
1989#include "confdefs.h"
1990
1991                                #include <windows.h>
1992                                #include <pthread.h>
1993int main() {
1994ReleaseDC(NULL, NULL)
1995; return 0; }
1996configure:9609: checking for GdiFlush
1997configure:9623: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -luser32 -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
1998configure:9616:13: fatal error: 'windows.h' file not found
1999                        #include <windows.h>
2000                                 ^~~~~~~~~~~
20011 error generated.
2002configure: failed program was:
2003#line 9614 "configure"
2004#include "confdefs.h"
2005
2006                        #include <windows.h>
2007                        #include <pthread.h>
2008int main() {
2009GdiFlush()
2010; return 0; }
2011configure:9640: checking for GdiFlush in -lgdi32
2012configure:9654: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -lgdi32 -luser32 -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
2013configure:9647:14: fatal error: 'windows.h' file not found
2014                                #include <windows.h>
2015                                         ^~~~~~~~~~~
20161 error generated.
2017configure: failed program was:
2018#line 9645 "configure"
2019#include "confdefs.h"
2020
2021                                #include <windows.h>
2022                                #include <pthread.h>
2023int main() {
2024GdiFlush()
2025; return 0; }
2026configure:9688: checking for gui/view.h
2027configure:9698: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.cpp >/dev/null 2>conftest.out
2028configure:9694:10: fatal error: 'gui/view.h' file not found
2029#include <gui/view.h>
2030         ^~~~~~~~~~~~
20311 error generated.
2032configure: failed program was:
2033#line 9693 "configure"
2034#include "confdefs.h"
2035#include <gui/view.h>
2036configure:9688: checking for gui/window.h
2037configure:9698: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.cpp >/dev/null 2>conftest.out
2038configure:9694:10: fatal error: 'gui/window.h' file not found
2039#include <gui/window.h>
2040         ^~~~~~~~~~~~~~
20411 error generated.
2042configure: failed program was:
2043#line 9693 "configure"
2044#include "confdefs.h"
2045#include <gui/window.h>
2046configure:9688: checking for gui/desktop.h
2047configure:9698: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.cpp >/dev/null 2>conftest.out
2048configure:9694:10: fatal error: 'gui/desktop.h' file not found
2049#include <gui/desktop.h>
2050         ^~~~~~~~~~~~~~~
20511 error generated.
2052configure: failed program was:
2053#line 9693 "configure"
2054#include "confdefs.h"
2055#include <gui/desktop.h>
2056configure:9688: checking for gui/bitmap.h
2057configure:9698: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.cpp >/dev/null 2>conftest.out
2058configure:9694:10: fatal error: 'gui/bitmap.h' file not found
2059#include <gui/bitmap.h>
2060         ^~~~~~~~~~~~~~
20611 error generated.
2062configure: failed program was:
2063#line 9693 "configure"
2064#include "confdefs.h"
2065#include <gui/bitmap.h>
2066configure:9688: checking for util/locker.h
2067configure:9698: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.cpp >/dev/null 2>conftest.out
2068configure:9694:10: fatal error: 'util/locker.h' file not found
2069#include <util/locker.h>
2070         ^~~~~~~~~~~~~~~
20711 error generated.
2072configure: failed program was:
2073#line 9693 "configure"
2074#include "confdefs.h"
2075#include <util/locker.h>
2076configure:9688: checking for util/application.h
2077configure:9698: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.cpp >/dev/null 2>conftest.out
2078configure:9694:10: fatal error: 'util/application.h' file not found
2079#include <util/application.h>
2080         ^~~~~~~~~~~~~~~~~~~~
20811 error generated.
2082configure: failed program was:
2083#line 9693 "configure"
2084#include "confdefs.h"
2085#include <util/application.h>
2086configure:10025: checking for interface/View.h
2087configure:10035: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.cpp >/dev/null 2>conftest.out
2088configure:10031:10: fatal error: 'interface/View.h' file not found
2089#include <interface/View.h>
2090         ^~~~~~~~~~~~~~~~~~
20911 error generated.
2092configure: failed program was:
2093#line 10030 "configure"
2094#include "confdefs.h"
2095#include <interface/View.h>
2096configure:10025: checking for interface/Window.h
2097configure:10035: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.cpp >/dev/null 2>conftest.out
2098configure:10031:10: fatal error: 'interface/Window.h' file not found
2099#include <interface/Window.h>
2100         ^~~~~~~~~~~~~~~~~~~~
21011 error generated.
2102configure: failed program was:
2103#line 10030 "configure"
2104#include "confdefs.h"
2105#include <interface/Window.h>
2106configure:10025: checking for interface/Screen.h
2107configure:10035: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.cpp >/dev/null 2>conftest.out
2108configure:10031:10: fatal error: 'interface/Screen.h' file not found
2109#include <interface/Screen.h>
2110         ^~~~~~~~~~~~~~~~~~~~
21111 error generated.
2112configure: failed program was:
2113#line 10030 "configure"
2114#include "confdefs.h"
2115#include <interface/Screen.h>
2116configure:10025: checking for interface/Bitmap.h
2117configure:10035: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.cpp >/dev/null 2>conftest.out
2118configure:10031:10: fatal error: 'interface/Bitmap.h' file not found
2119#include <interface/Bitmap.h>
2120         ^~~~~~~~~~~~~~~~~~~~
21211 error generated.
2122configure: failed program was:
2123#line 10030 "configure"
2124#include "confdefs.h"
2125#include <interface/Bitmap.h>
2126configure:10025: checking for support/Locker.h
2127configure:10035: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.cpp >/dev/null 2>conftest.out
2128configure:10031:10: fatal error: 'support/Locker.h' file not found
2129#include <support/Locker.h>
2130         ^~~~~~~~~~~~~~~~~~
21311 error generated.
2132configure: failed program was:
2133#line 10030 "configure"
2134#include "confdefs.h"
2135#include <support/Locker.h>
2136configure:10025: checking for app/Application.h
2137configure:10035: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  conftest.cpp >/dev/null 2>conftest.out
2138configure:10031:10: fatal error: 'app/Application.h' file not found
2139#include <app/Application.h>
2140         ^~~~~~~~~~~~~~~~~~~
21411 error generated.
2142configure: failed program was:
2143#line 10030 "configure"
2144#include "confdefs.h"
2145#include <app/Application.h>
2146configure:10481: checking for freetype2 fontconfig
2147configure:10488: checking LIBFREETYPE_CFLAGS
2148configure:10493: checking LIBFREETYPE_LIBS
2149configure:10532: checking for fontconfig/fontconfig.h
2150configure:10542: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 conftest.c >/dev/null 2>conftest.out
2151configure:10532: checking for ft2build.h
2152configure:10542: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 conftest.c >/dev/null 2>conftest.out
2153configure:10571: checking for FcInit
2154configure:10599: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lfontconfig -lfreetype -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
2155configure:10571: checking for FT_Init_FreeType
2156configure:10599: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lfontconfig -lfreetype -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
2157configure:10727: checking for FcGetVersion
2158configure:10755: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lfontconfig -lfreetype -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
2159configure:10727: checking for FT_Library_Version
2160configure:10755: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lfontconfig -lfreetype -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
2161configure:10902: checking for libpng >= 1.0.0
2162configure:10909: checking LIBPNG_CFLAGS
2163configure:10914: checking LIBPNG_LIBS
2164configure:11049: checking for png.h
2165configure:11059: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 -I/opt/local/include/libpng16 conftest.c >/dev/null 2>conftest.out
2166configure:11049: checking for libpng/png.h
2167configure:11059: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 -I/opt/local/include/libpng16 conftest.c >/dev/null 2>conftest.out
2168configure:11055:10: fatal error: 'libpng/png.h' file not found
2169#include <libpng/png.h>
2170         ^~~~~~~~~~~~~~
21711 error generated.
2172configure: failed program was:
2173#line 11054 "configure"
2174#include "confdefs.h"
2175#include <libpng/png.h>
2176configure:11088: checking for png_create_info_struct
2177configure:11116: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 -I/opt/local/include/libpng16 -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lpng16 -L/opt/local/lib -lfontconfig -lfreetype -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
2178configure:11196: checking for png_set_rgb_to_gray
2179configure:11224: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 -I/opt/local/include/libpng16 -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lpng16 -L/opt/local/lib -lfontconfig -lfreetype -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
2180configure:11196: checking for png_get_libpng_ver
2181configure:11224: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 -I/opt/local/include/libpng16 -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lpng16 -L/opt/local/lib -lfontconfig -lfreetype -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
2182configure:11196: checking for png_get_image_width
2183configure:11224: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 -I/opt/local/include/libpng16 -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lpng16 -L/opt/local/lib -lfontconfig -lfreetype -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
2184configure:11196: checking for png_get_image_height
2185configure:11224: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 -I/opt/local/include/libpng16 -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lpng16 -L/opt/local/lib -lfontconfig -lfreetype -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
2186configure:11196: checking for png_get_gAMA
2187configure:11224: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 -I/opt/local/include/libpng16 -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lpng16 -L/opt/local/lib -lfontconfig -lfreetype -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
2188configure:11196: checking for png_get_color_type
2189configure:11224: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 -I/opt/local/include/libpng16 -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lpng16 -L/opt/local/lib -lfontconfig -lfreetype -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
2190configure:11196: checking for png_get_bit_depth
2191configure:11224: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 -I/opt/local/include/libpng16 -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lpng16 -L/opt/local/lib -lfontconfig -lfreetype -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
2192configure:11196: checking for png_set_strip_alpha
2193configure:11224: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 -I/opt/local/include/libpng16 -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lpng16 -L/opt/local/lib -lfontconfig -lfreetype -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
2194configure:11196: checking for png_get_valid
2195configure:11224: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 -I/opt/local/include/libpng16 -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lpng16 -L/opt/local/lib -lfontconfig -lfreetype -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
2196configure:11196: checking for png_get_sRGB
2197configure:11224: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 -I/opt/local/include/libpng16 -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -L/opt/local/lib -lpng16 -L/opt/local/lib -lfontconfig -lfreetype -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5
2198configure:11271: checking for jpeglib.h
2199configure:11281: /usr/bin/clang -E -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 -I/opt/local/include/libpng16 conftest.c >/dev/null 2>conftest.out
2200configure:11308: checking for jpeg_destroy_decompress in -ljpeg
2201configure:11327: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk  -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 -I/opt/local/include/libpng16 -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -arch x86_64 conftest.c -ljpeg  -L/opt/local/lib -lpng16 -L/opt/local/lib -lfontconfig -lfreetype -llzma -lbz2 -lzstd -lbrotlidec -lz -L/opt/local/lib -lssl -lcrypto -lm -levent  1>&5