python310 and python39 fail to configure for x86_64+ppc on 10.6.8: Unknown float word ordering

[barracuda156]

--->  Fetching distfiles for python310
--->  Python-3.10.1.tar.xz does not exist in /opt/local/var/macports/distfiles/python310
--->  Attempting to fetch Python-3.10.1.tar.xz from http://distfiles.macports.org/python310
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 17.9M  100 17.9M    0     0  1547k      0  0:00:11  0:00:11 --:--:-- 1670k
--->  Verifying checksums for python310
--->  Checksumming Python-3.10.1.tar.xz
--->  Extracting python310
--->  Extracting Python-3.10.1.tar.xz
Executing:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_python310/python310/work" && /opt/local/bin/xz -dc '/opt/local/var/macports/distfiles/python310/Python-3.10.1.tar.xz' | /usr/bin/gnutar --no-same-owner -xf - 
--->  Applying patches to python310
--->  Applying patch-setup.py.diff
Executing:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_python310/python310/work/Python-3.10.1" && /usr/bin/patch -p0 < '/opt/local/var/macports/sources/rsync.macports.org/macports/release/tarballs/ports/lang/python310/files/patch-setup.py.diff'
patching file setup.py
--->  Applying patch-Lib-cgi.py.diff
Executing:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_python310/python310/work/Python-3.10.1" && /usr/bin/patch -p0 < '/opt/local/var/macports/sources/rsync.macports.org/macports/release/tarballs/ports/lang/python310/files/patch-Lib-cgi.py.diff'
patching file Lib/cgi.py
--->  Applying patch-configure.diff
Executing:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_python310/python310/work/Python-3.10.1" && /usr/bin/patch -p0 < '/opt/local/var/macports/sources/rsync.macports.org/macports/release/tarballs/ports/lang/python310/files/patch-configure.diff'
patching file configure
Hunk #1 succeeded at 3265 (offset 10 lines).
Hunk #2 succeeded at 6577 (offset 12 lines).
Hunk #3 succeeded at 7594 (offset 12 lines).
--->  Applying patch-Lib-ctypes-macholib-dyld.py.diff
Executing:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_python310/python310/work/Python-3.10.1" && /usr/bin/patch -p0 < '/opt/local/var/macports/sources/rsync.macports.org/macports/release/tarballs/ports/lang/python310/files/patch-Lib-ctypes-macholib-dyld.py.diff'
patching file Lib/ctypes/macholib/dyld.py
Hunk #1 succeeded at 28 (offset 5 lines).
--->  Applying patch-configure-xcode4bug.diff
Executing:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_python310/python310/work/Python-3.10.1" && /usr/bin/patch -p0 < '/opt/local/var/macports/sources/rsync.macports.org/macports/release/tarballs/ports/lang/python310/files/patch-configure-xcode4bug.diff'
patching file configure
Hunk #1 succeeded at 17379 (offset 269 lines).
--->  Applying sysconfig.py.patch
Executing:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_python310/python310/work/Python-3.10.1" && /usr/bin/patch -p0 < '/opt/local/var/macports/sources/rsync.macports.org/macports/release/tarballs/ports/lang/python310/files/sysconfig.py.patch'
patching file Lib/sysconfig.py
Hunk #1 succeeded at 464 (offset 35 lines).
--->  Patching cgi.py: s|@@PREFIX@@|/opt/local|g
--->  Patching dyld.py: s|@@PREFIX@@|/opt/local|g
--->  Patching Makefile.pre.in: s|/setup.py|/setup.py --no-user-cfg|
--->  Patching configure: s|@@APPLICATIONS_DIR@@|/Applications/MacPorts|
--->  Patching configure: s|@@UNIVERSAL_ARCH_FLAGS@@|-arch x86_64 -arch ppc|
--->  Patching configure: s|@@LIPO_32BIT_FLAGS@@|-extract ppc|
--->  Patching configure: s|@@LIPO_INTEL64_FLAGS@@||
--->  Patching configure: s|@@ARCH_RUN_32BIT@@|/usr/bin/arch -ppc|
--->  Configuring python310
Executing:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_python310/python310/work/Python-3.10.1" && ./configure --prefix=/opt/local --disable-dependency-tracking --enable-framework=/opt/local/Library/Frameworks --enable-ipv6 --enable-loadable-sqlite-extensions --with-computed-gotos --with-ensurepip=no --with-readline=editline --with-system-expat --with-system-ffi --enable-universalsdk=/ 
configure: WARNING: unrecognized options: --disable-dependency-tracking
checking build system type... x86_64-apple-darwin10.8.0
checking host system type... x86_64-apple-darwin10.8.0
checking for python3.10... no
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checking for --enable-universalsdk... /
checking for --with-universal-archs... 32-bit
checking MACHDEP... "darwin"
checking for gcc... /usr/bin/gcc-4.2
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
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checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether /usr/bin/gcc-4.2 accepts -g... yes
checking for /usr/bin/gcc-4.2 option to accept ISO C89... none needed
checking how to run the C preprocessor... /usr/bin/gcc-4.2 -E
checking for grep that handles long lines and -e... /usr/bin/grep
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checking LIBRARY... libpython$(VERSION)$(ABIFLAGS).a
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checking for lchflags... yes
checking for inflateCopy in -lz... yes
checking for hstrerror... yes
checking for inet_aton... yes
checking for inet_pton... yes
checking for setgroups... yes
checking for openpty... yes
checking for forkpty... yes
checking for fseek64... no
checking for fseeko... yes
checking for fstatvfs... yes
checking for ftell64... no
checking for ftello... yes
checking for statvfs... yes
checking for dup2... yes
checking for getpgrp... yes
checking for setpgrp... (cached) yes
checking for library containing crypt... none required
checking for library containing crypt_r... no
checking for crypt_r... no
checking for clock_gettime... no
checking for clock_gettime in -lrt... no
checking for clock_getres... no
checking for clock_getres in -lrt... no
checking for clock_settime... no
checking for clock_settime in -lrt... no
checking for major... yes
checking for getaddrinfo... yes
checking getaddrinfo bug... no
checking for getnameinfo... yes
checking whether time.h and sys/time.h may both be included... yes
checking whether struct tm is in sys/time.h or time.h... time.h
checking for struct tm.tm_zone... yes
checking for struct stat.st_rdev... yes
checking for struct stat.st_blksize... yes
checking for struct stat.st_flags... yes
checking for struct stat.st_gen... yes
checking for struct stat.st_birthtime... no
checking for struct stat.st_blocks... yes
checking for struct passwd.pw_gecos... yes
checking for struct passwd.pw_passwd... yes
checking for siginfo_t.si_band... yes
checking for time.h that defines altzone... no
checking whether sys/select.h and sys/time.h may both be included... yes
checking for addrinfo... yes
checking for sockaddr_storage... yes
checking for sockaddr_alg... no
checking whether char is unsigned... no
checking for an ANSI C-conforming const... yes
checking for working signed char... yes
checking for prototypes... yes
checking for variable length prototypes and stdarg.h... yes
checking for socketpair... yes
checking if sockaddr has sa_len member... yes
checking for gethostbyname_r... no
checking for gethostbyname... yes
checking for __fpu_control... no
checking for __fpu_control in -lieee... no
checking for --with-libm=STRING... default LIBM=""
checking for --with-libc=STRING... default LIBC=""
checking for x64 gcc inline assembler... no
checking whether float word ordering is bigendian... unknown
configure: error: 

Unknown float word ordering. You need to manually preset
ax_cv_c_float_words_bigendian=no (or yes) according to your system.

    
Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_python310/python310/work/Python-3.10.1" && ./configure --prefix=/opt/local --disable-dependency-tracking --enable-framework=/opt/local/Library/Frameworks --enable-ipv6 --enable-loadable-sqlite-extensions --with-computed-gotos --with-ensurepip=no --with-readline=editline --with-system-expat --with-system-ffi --enable-universalsdk=/ 
Exit code: 1
Error: Failed to configure python310: consult /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_python310/python310/work/Python-3.10.1/config.log

[barracuda156]

After I added muniversal 1.0 portgroup, this error happens:

--->  Configuring python310 for architecture ppc
Executing:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_python310/python310/work/Python-3.10.1-ppc" && ./configure --prefix=/opt/local --enable-framework=/opt/local/Library/Frameworks --enable-ipv6 --enable-loadable-sqlite-extensions --with-computed-gotos --with-ensurepip=no --with-readline=editline --with-system-expat --with-system-ffi --host=powerpc-apple-darwin10.8.0 
checking build system type... x86_64-apple-darwin10.8.0
checking host system type... powerpc-apple-darwin10.8.0
checking for python3.10... no
checking for python3... no
checking for python... python
configure: error: Cross compiling required --host=HOST-TUPLE and --build=ARCH
Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_python310/python310/work/Python-3.10.1-ppc" && ./configure --prefix=/opt/local --enable-framework=/opt/local/Library/Frameworks --enable-ipv6 --enable-loadable-sqlite-extensions --with-computed-gotos --with-ensurepip=no --with-readline=editline --with-system-expat --with-system-ffi --host=powerpc-apple-darwin10.8.0 
Exit code: 1
Error: Failed to configure python310: consult /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_python310/python310/work/Python-3.10.1-ppc/config.log
Error: Failed to configure python310: configure failure: command execution failed
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_python310/python310/main.log for details.
Error: Follow https://guide.macports.org/#project.tickets if you believe there is a
bug.
Error: Processing of port python310 failed

[barracuda156]

Same error with python39:

checking whether float word ordering is bigendian... unknown
configure: error: 

Unknown float word ordering. You need to manually preset
ax_cv_c_float_words_bigendian=no (or yes) according to your system.

    
Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_python39/python39/work/Python-3.9.9" && ./configure --prefix=/opt/local --disable-dependency-tracking --enable-framework=/opt/local/Library/Frameworks --enable-ipv6 --enable-loadable-sqlite-extensions --with-computed-gotos --with-ensurepip=no --with-system-expat --with-system-ffi --enable-universalsdk=/ 
Exit code: 1
Error: Failed to configure python39: consult /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_python39/python39/work/Python-3.9.9/config.log
Error: Failed to configure python39: configure failure: command execution failed
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_python39/python39/main.log for details.

[kencu (Ken)]

you might get this to build in this nonstandard way, by modifying the portfile or the build files directly as per this:

​https://github.com/macports/macports-ports/blob/80f4d4019c7adcd98fc9ebb9646cb581dcbeea6c/lang/python310/Portfile#L177

It would take some tweaking, but is probably possible.

I think Josh will just close this ticket, but will leave it for him to decide.

[barracuda156]

Replying to kencu:

you might get this to build in this nonstandard way, by modifying the portfile or the build files directly as per this: ​https://github.com/macports/macports-ports/blob/80f4d4019c7adcd98fc9ebb9646cb581dcbeea6c/lang/python310/Portfile#L177 It would take some tweaking, but is probably possible.

I have tried to do that with build files (for ppc+ppc64), and while it worked for python27, it failed for python38 and later. Specifically, while build itself completes, modules fail to function.

I addressed that here: ​https://trac.macports.org/ticket/50821#comment:9 And adding legacysupport 1.0 didn’t solve the problem either.

[kencu (Ken)]

the fix for python27 was trivially simple, and is quite different than the python3s.

your path forward, should you care to continue exploring, would be as I mentioned here 64449#comment:4

essentially, the universal build of python3.x in macports is largely driven by the portfile, and a ppc64 pathway is so uncommon that the logic would appear to need to be tweaked to accomodate that.

[barracuda156]

Replying to kencu:

the fix for python27 was trivially simple, and is quite different than the python3s. your path forward, should you care to continue exploring, would be as I mentioned here 64449#comment:4 essentially, the universal build of python3.x in macports is largely driven by the portfile, and a ppc64 pathway is so uncommon that the logic would appear to need to be tweaked to accomodate that.

I did that in build files via patches. I used BBEdit multi-file search on source code, found all instances on this sort and added ppc64 in a way similar to how x86_64 is added there. In result python38–310 built for me as universal, but some modules failed to work. That is where I got stuck.

I will post specific diff files once I am back to office (they are on Quad locally), if you could take a look.

[kencu (Ken)]

OK, that sounds like progress. Well done.

We have found modules in python do fail to build at times on certain older or non-standard systems, especially the c interface modules I recall. So that is not a complete surprise.

[barracuda156]

Replying to kencu:

We have found modules in python do fail to build at times on certain older or non-standard systems, especially the c interface modules I recall. So that is not a complete surprise.

By the way how to patch files inside .whl? Like for example: Python-3.8.12/Lib/ensurepip/_bundled/pip-21.1.1-py3-none-any.whl/pip/_vendor/packaging/tags.py I can see this file in BBEdit, but if I try cd to there or cp -p directly, it fails, I get this error:

Sergey-Fedorovs-Mac-mini:Lib svacchanda$ cd /Users/svacchanda/Documents/Python-3.8.12/Lib/ensurepip/_bundled/pip-21.1.1-py3-none-any.whl/pip/_vendor/packaging
-bash: cd: /Users/svacchanda/Documents/Python-3.8.12/Lib/ensurepip/_bundled/pip-21.1.1-py3-none-any.whl/pip/_vendor/packaging: Not a directory

So I can edit the original file, but dunno how to generate a patch with diff.

[bryancn]

FWIW, python39 (python39-3.9.10_0.darwin_9.ppc.tbz2) installed successfully on my G5 today using port selfupdate. First time successful in months.

[barracuda156]

Replying to bryancn:

FWIW, python39 (python39-3.9.10_0.darwin_9.ppc.tbz2) installed successfully on my G5 today using port selfupdate. First time successful in months.

For ppc32? This is a bit strange, I never had issues with installing any python as ppc32 on 10.5.8 PPC.

[bryancn]

Sorry, I misled you. I was looking at the wrong G5 - one that always succeeded as you say. On the other I had messed with the configuration trying to install pyobjc. This too installed perfectly with a reinstall & clean.