port install procmail fails with invalid implicit declaration on Big Sur

[pwosel]

% sudo port install procmail ---> Fetching archive for procmail ---> Attempting to fetch procmail-3.22_8.darwin_20.x86_64.tbz2 from ​https://packages.macports.org/procmail ---> Attempting to fetch procmail-3.22_8.darwin_20.x86_64.tbz2 from ​https://nue.de.packages.macports.org/procmail ---> Attempting to fetch procmail-3.22_8.darwin_20.x86_64.tbz2 from ​https://lil.fr.packages.macports.org/procmail ---> Fetching distfiles for procmail ---> Verifying checksums for procmail ---> Extracting procmail ---> Applying patches to procmail ---> Configuring procmail ---> Building procmail Error: Failed to build procmail: command execution failed Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_mail_procmail/procmail/main.log for details. Error: Follow ​https://guide.macports.org/#project.tickets to report a bug. Error: Processing of port procmail failed

:info:build make[1]: Entering directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_mail_procmail/procmail/work/procm ail-3.22/src' :info:build /bin/sh ./autoconf /bin/sh "/bin/rm -f" "mv -f" /dev/null \ :info:build "grep -F" "/Library/Developer/CommandLineTools/usr/bin/make" o "/tmp" \ :info:build "/opt/local/bin" ../autoconf.h :info:build Using the following directories for the LOCKINGTESTs: :info:build /tmp :info:build Initiating fcntl()/kernel-locking-support tests :info:build Whoeaaa! There's something fishy going on here. :info:build You have a look and see if you detect anything uncanny: :info:build * :info:build make[2]: Entering directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_mail_procmail/procmail/work/procm ail-3.22/src' :info:build /usr/bin/clang -arch x86_64 -c -O _autotst.c :info:build In file included from _autotst.c:2: :info:build ./../config.h:3:43: warning: '/*' within block comment [-Wcomment] :info:build /*#define sMAILBOX_SEPARATOR "\1\1\1\1\n" /* sTART- and eNDing separ. */ :info:build ^{:info:build ./../config.h:4:43: warning: '/*' within block comment [-Wcomment] :info:build /*#define eMAILBOX_SEPARATOR "\1\1\1\1\n" /* uncomment (one or both) :info:build} :info:build ./../config.h:49:28: warning: '/*' within block comment [-Wcomment] :info:build /*#define GROUP_PER_USER /* uncomment this if each :info:build ^{:info:build ./../config.h:55:20: warning: '/*' within block comment [-Wcomment] :info:build /*#define LMTP /* uncomment this if you :info:build} :info:build ./../config.h:80:26: warning: '/*' within block comment [-Wcomment] :info:build /*#define NO_fcntl_LOCK /* uncomment any of these three if you */ :info:build ^{:info:build ./../config.h:81:26: warning: '/*' within block comment [-Wcomment] :info:build /*#define NO_lockf_LOCK /* definitely do not want procmail to make */ :info:build} :info:build ./../config.h:82:26: warning: '/*' within block comment [-Wcomment] :info:build /*#define NO_flock_LOCK /* use of those kernel-locking methods */ :info:build ^{:info:build ./../config.h:88:29: warning: '/*' within block comment [-Wcomment] :info:build /*#define RESTRICT_EXEC 100 /* uncomment to prevent users with uids equal :info:build} :info:build ./../config.h:94:29: warning: '/*' within block comment [-Wcomment] :info:build /*#define NO_NFS_ATIME_HACK /* uncomment if you're definitely not using :info:build ^{:info:build ./../config.h:101:44: warning: '/*' within block comment [-Wcomment] :info:build /*#define DEFsendmail "/usr/sbin/sendmail" /* uncomment and/or change if :info:build} :info:build ./../config.h:129:34: warning: '/*' within block comment [-Wcomment] :info:build /*#define console "/dev/console" /* uncomment if you want procmail to :info:build ^{:info:build _autotst.c:62:30: error: implicit declaration of function 'killchildren' is invalid in C99 [-Werror,-Wimplicit-function-declaration] :info:build { timeout=1;close(fdcollect);killchildren(); :info:build} :info:build _autotst.c:66:14: error: implicitly declaring library function 'exit' with type 'void (int) attribute((noreturn))' [-Werror,-Wimplicit-function-declaration] :info:build { stimeout();exit(1); :info:build ^{:info:build _autotst.c:66:14: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit' :info:build _autotst.c:126:8: error: implicit declaration of function 'fdlock' is invalid in C99 [-Werror,-Wimplicit-function-declaration] :info:build fdlock(goodlock); :info:build} :info:build _autotst.c:126:8: note: did you mean 'flock'? :info:build /Library/Developer/CommandLineTools/SDKs/MacOSX11.0.sdk/usr/include/sys/fcntl.h:568:9: note: 'flock' declared here :info:build int flock(int, int); :info:build ^{:info:build _autotst.c:145:11: error: implicit declaration of function 'sfdlock' is invalid in C99 [-Werror,-Wimplicit-function-declaration] :info:build if(sfdlock(fd)) :info:build} :info:build _autotst.c:145:11: note: did you mean 'flock'? :info:build /Library/Developer/CommandLineTools/SDKs/MacOSX11.0.sdk/usr/include/sys/fcntl.h:568:9: note: 'flock' declared here :info:build int flock(int, int); :info:build ^{:info:build _autotst.c:152:11: error: implicit declaration of function 'fdunlock' is invalid in C99 [-Werror,-Wimplicit-function-declaration]}

:info:build if(fdunlock()

close(fd))

:info:build ^{:info:build _autotst.c:167:13: warning: using the result of an assignment as a condition without parentheses [-Wparentheses] :info:build if(fp=fopen("_locktst.pid","w")) :info:build} ~ :info:build _autotst.c:167:13: note: place parentheses around the assignment to silence this warning :info:build if(fp=fopen("_locktst.pid","w")) :info:build ^{:info:build ( ) :info:build _autotst.c:167:13: note: use '==' to turn this assignment into an equality comparison :info:build if(fp=fopen("_locktst.pid","w")) :info:build} :info:build == :info:build _autotst.c:184:31: error: implicit declaration of function 'killchildren' is invalid in C99 [-Werror,-Wimplicit-function-declaration] :info:build alarm(0);close(fdcollect);killchildren(); :info:build ^{:info:build _autotst.c:233:10: error: implicit declaration of function 'fdlock' is invalid in C99 [-Werror,-Wimplicit-function-declaration] :info:build return fdlock(fd); :info:build} :info:build _autotst.c:236:8: warning: type specifier missing, defaults to 'int' [-Wimplicit-int] :info:build static oldfdlock; :info:build ^{:info:build 13 warnings and 7 errors generated. :info:build make[2]: * [_autotst.o] Error 1 :info:build make[2]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_mail_procmail/procmail/work/procma}