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I am trying to install wxPython but the wheel build fails. The error message is not helpful in indicating what to do or where to look to fix this. Can anyone please help me understand how to build this wheel correctly?

Machine: Linux on Power (this is not x86) OS: RHEL Server, 7.5 (Maipo) python version: Python 3.6.4 pip3 version: pip 19.3.1

I noticed this stack overflow post, which is also not helpful because my linux release is not on the list of the ones provided.

Following links above I tried wxPython download page and the following install with pip but in step 5 basically tells you "look at the log and figure it out"....not helpful.

I tried to manually hack the wxPython package using my very limited competence and removed some dependency.....still nothing.

<...> Finished command: build_wx (1m56.907s) Running command: build_py Checking for /tmp/pip-req-build-dgnp13sp/bin/waf-2.0.8... "/afs/apd.pok.ibm.com/u/mfacchin/wxenvlop/bin/python3" /tmp/pip-req-build-dgnp13sp/bin/waf-2.0.8 --wx_config=/tmp/pip-req-build-dgnp13sp/build/wxbld/gtk3/wx-config --gtk3 --python="/afs/apd.pok.ibm.com/u/mfacchin/wxenvlop/bin/python3" --out=build/waf/3.6/gtk3 configure build Setting top to : /tmp/pip-req-build-dgnp13sp Setting out to : /tmp/pip-req-build-dgnp13sp/build/waf/3.6/gtk3 Checking for 'gcc' (C compiler) : /bin/gcc Checking for 'g++' (C++ compiler) : /bin/g++ Checking for program 'python' : /afs/apd.pok.ibm.com/u/mfacchin/wxenvlop/bin/python3 Checking for python version >= 2.7.0 : 3.6.4 python-config : /opt/xsite/cte/tools/python/3.6/bin/python3.6-config Asking python-config for pyext '--cflags --libs --ldflags' flags : yes Testing pyext configuration : Could not build python extensions The configuration failed (complete log in /tmp/pip-req-build-dgnp13sp/build/waf/3.6/gtk3/config.log) Command '"/afs/apd.pok.ibm.com/u/mfacchin/wxenvlop/bin/python3" /tmp/pip-req-build-dgnp13sp/bin/waf-2.0.8 --wx_config=/tmp/pip-req-build-dgnp13sp/build/wxbld/gtk3/wx-config --gtk3 --python="/afs/apd.pok.ibm.com/u/mfacchin/wxenvlop/bin/python3" --out=build/waf/3.6/gtk3 configure build ' failed with exit code 1. Finished command: build_py (0m6.991s) Finished command: build (2m3.899s) Command '"/afs/apd.pok.ibm.com/u/mfacchin/wxenvlop/bin/python3" -u build.py build' failed with exit code 1. Building wheel for wxPython (setup.py): finished with status 'error' ERROR: Failed building wheel for wxPython <...>

----Update 12/2 (After Robin Dunn's feedback) Thank you Robin for the directives. Following is the last portion of the config.log from a different run using the build command. Also the error message is slightly different (below, following the config.log), because I had previously used the explicit wheel-build command: pip wheel -v wxPython-4.0.7.post1.tar.gz 2>&1 | tee build.log. Does this log below confirm your theory regarding the Python built with the --enable-shared configure flag?

Testing pyext configuration ==> #include <Python.h> #ifdef __cplusplus extern "C" { #endif void Py_Initialize(void); void Py_Finalize(void); #ifdef __cplusplus } #endif int main(int argc, char **argv) { (void)argc; (void)argv; Py_Initialize(); Py_Finalize(); return 0; } <== [1/2] Compiling [32mbuild/waf/3.6/gtk3/.conf_check_cfc3ecfbbf37890054f6518ca7961071/test.cpp[0m ['/bin/g++', '-fPIC', '-g', '-fwrapv', '-O3', '-I../../../../../../../../../../../../../../cte/tools/python/vol2/.3.6.4-linux-ppc64le/include/python3.6m', '-I/opt/xsite/cte/tools/python/common2018/include', '-DPYTHONDIR="/usr/local/lib/python3.6/site-packages"', '-DPYTHONARCHDIR="/usr/local/lib/python3.6/site-packages"', '-DNDEBUG', '../test.cpp', '-c', '-o/afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/wxPython-4.0.7.post1_mf1/build/waf/3.6/gtk3/.conf_check_cfc3ecfbbf37890054f6518ca7961071/testbuild/test.cpp.1.o'] [2/2] Linking [33mbuild/waf/3.6/gtk3/.conf_check_cfc3ecfbbf37890054f6518ca7961071/testbuild/testprog.cpython-36m-powerpc64le-linux-gnu.so[0m ['/bin/g++', '-shared', '-Xlinker', '-export-dynamic', 'test.cpp.1.o', '-o', '/afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/wxPython-4.0.7.post1_mf1/build/waf/3.6/gtk3/.conf_check_cfc3ecfbbf37890054f6518ca7961071/testbuild/testprog.cpython-36m-powerpc64le-linux-gnu.so', '-Wl,-Bstatic', '-Wl,-Bdynamic', '-L/afs/apd.pok.ibm.com/func/vlsi/cte/tools/python/vol2/.3.6.4-linux-ppc64le/lib/python3.6/config-3.6m-powerpc64le-linux-gnu', '-L/afs/apd.pok.ibm.com/func/vlsi/cte/tools/python/vol2/.3.6.4-linux-ppc64le/lib', '-lpython3.6m', '-lpthread', '-ldl', '-lutil', '-lm', '-lpython3.6m', '-lpthread', '-ldl', '-lutil', '-lm'] err: /bin/ld: /afs/apd.pok.ibm.com/func/vlsi/cte/tools/python/vol2/.3.6.4-linux-ppc64le/lib/python3.6/config-3.6m-powerpc64le-linux-gnu/libpython3.6m.a(Python-ast.o): In function `obj2ast_keyword': /data/ubrandt/Python-3.6.4/Python/Python-ast.c:7767:(.text.unlikely+0x608): call to `_Py_keyword' lacks nop, can't restore toc; recompile with -fPIC /bin/ld: /afs/apd.pok.ibm.com/func/vlsi/cte/tools/python/vol2/.3.6.4-linux-ppc64le/lib/python3.6/config-3.6m-powerpc64le-linux-gnu/libpython3.6m.a(Python-ast.o): In function `obj2ast_comprehension': /data/ubrandt/Python-3.6.4/Python/Python-ast.c:7419:(.text.unlikely+0x9f4): call to `_Py_comprehension' lacks nop, can't restore toc; recompile with -fPIC /bin/ld: /afs/apd.pok.ibm.com/func/vlsi/cte/tools/python/vol2/.3.6.4-linux-ppc64le/lib/python3.6/config-3.6m-powerpc64le-linux-gnu/libpython3.6m.a(Python-ast.o): In function `obj2ast_alias': /data/ubrandt/Python-3.6.4/Python/Python-ast.c:7802:(.text.unlikely+0xbec): call to `_Py_alias' lacks nop, can't restore toc; recompile with -fPIC /bin/ld: /afs/apd.pok.ibm.com/func/vlsi/cte/tools/python/vol2/.3.6.4-linux-ppc64le/lib/python3.6/config-3.6m-powerpc64le-linux-gnu/libpython3.6m.a(Python-ast.o): In function `obj2ast_withitem': /data/ubrandt/Python-3.6.4/Python/Python-ast.c:7837:(.text.unlikely+0xdd4): call to `_Py_withitem' lacks nop, can't restore toc; recompile with -fPIC /bin/ld: final link failed: Bad value collect2: error: ld returned 1 exit status from /afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/wxPython-4.0.7.post1_mf1: Test does not build: Traceback (most recent call last): File "/afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/wxPython-4.0.7.post1_mf1/bin/.waf3-2.0.8-206f2b7a89029e71942a2beb9e1bbbbd/waflib/Configure.py", line 324, in run_build bld.compile() File "/afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/wxPython-4.0.7.post1_mf1/bin/.waf3-2.0.8-206f2b7a89029e71942a2beb9e1bbbbd/waflib/Build.py", line 176, in compile raise Errors.BuildError(self.producer.error) waflib.Errors.BuildError: Build failed -> task in 'testprog' failed with exit status 1 (run with -v to display more information) Could not build python extensions from /.....: The configuration failed

and this is the error message that I get this new run, slightly different

msgfmt --verbose -c -o zh_TW.mo zh_TW.po 1710 translated messages, 82 fuzzy translations, 61 untranslated messages. make[1]: Leaving directory `/afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/wxPython-4.0.7.post1_mf1/ext/wxWidgets/locale' Setting top to : /afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/wxPython-4.0.7.post1_mf1 Setting out to : /afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/wxPython-4.0.7.post1_mf1/build/waf/3.6/gtk3 Checking for 'gcc' (C compiler) : /bin/gcc Checking for 'g++' (C++ compiler) : /bin/g++ Checking for program 'python' : /afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/bin/python3 Checking for python version >= 2.7.0 : 3.6.4 python-config : /opt/xsite/cte/tools/python/3.6/bin/python3.6-config Asking python-config for pyext '--cflags --libs --ldflags' flags : yes Testing pyext configuration : Could not build python extensions The configuration failed (complete log in /afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/wxPython-4.0.7.post1_mf1/build/waf/3.6/gtk3/config.log) Will build using: "/afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/bin/python3" 3.6.4 (default, Feb 12 2018, 16:08:32) [GCC 4.8.5 20150623 (Red Hat 4.8.5-16)] Python's architecture is 64bit cfg.VERSION: 4.0.7.post1 Running command: build Running command: build_wx wxWidgets build options: ['--wxpython', '--unicode', '--gtk3'] Configure options: ['--enable-unicode', '--with-gtk=3', '--enable-sound', '--enable-graphics_ctx', '--enable-display', '--enable-geometry', '--enable-debug_flag', '--enable-optimise', '--disable-debugreport', '--enable-uiactionsim', '--enable-autoidman', '--with-sdl'] /afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/wxPython-4.0.7.post1_mf1/ext/wxWidgets/configure --enable-unicode --with-gtk=3 --enable-sound --enable-graphics_ctx --enable-display --enable-geometry --enable-debug_flag --enable-optimise --disable-debugreport --enable-uiactionsim --enable-autoidman --with-sdl make --jobs=128 Building message catalogs in /afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/wxPython-4.0.7.post1_mf1/ext/wxWidgets/locale make allmo Finished command: build_wx (12m36.623s) Running command: build_py Checking for /afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/wxPython-4.0.7.post1_mf1/bin/waf-2.0.8... "/afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/bin/python3" /afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/wxPython-4.0.7.post1_mf1/bin/waf-2.0.8 --wx_config=/afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/wxPython-4.0.7.post1_mf1/build/wxbld/gtk3/wx-config --gtk3 --python="/afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/bin/python3" --out=build/waf/3.6/gtk3 configure build Command '"/afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/bin/python3" /afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/wxPython-4.0.7.post1_mf1/bin/waf-2.0.8 --wx_config=/afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/wxPython-4.0.7.post1_mf1/build/wxbld/gtk3/wx-config --gtk3 --python="/afs/apd.pok.ibm.com/func/vlsi/eclipz/sf5/usr/mfacchin/c01/python_venv/wxenv191202/bin/python3" --out=build/waf/3.6/gtk3 configure build ' failed with exit code 1. Finished command: build_py (2m7.118s) Finished command: build (14m43.742s)
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It looks like you might be using a custom Python build. Was your Python built with the --enable-shared configure flag? On Linux platforms the waf build tool assumes that Python was built that way, and will try to link with the Python shared library, and will fail if it is not present.

If that doesn't help then you can get more details from waf's configure log. When using pip to do the build then it will have removed the temporary build folders before you can get at them. So if you unpack the source archive and do the build with python3 build.py build you'll be able to find the log in ./build/waf/3.6/gtk3/config.log and hopefully find some useful clues there.

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Hi Robin, thanks you for the directions. I edited my post above to add the config.log content. Do you believe that it might confirm your theory regarding the --enable-shared? My IT group was unable to confirm/deny.
Perhaps. Look in /afs/apd.pok.ibm.com/func/vlsi/cte/tools/python/vol2/.3.6.4-linux-ppc64le/lib/python3.6/config-3.6m-powerpc64le-linux-gnu and see if there is a libpython3.6m.so file or link present. If not then Python was not configured with --enable-shared. Otherwise, I'm not familiar with some of the other error messages in the log fragment. From some googling it looks like it may be a powerpc64-specific issue, and I don't have much experience there.
You are right Robin, the file in there has a different extension: libpython3.6m.a, so, based on your feedback, it would seem python has been built without the --enable-shared. You mentioned that is a "default" assumption for waf. Is there a way to make waf change behavior? I am trying to use the global python installation in my organization and they will not change that because it could jeopardize other applications.

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