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On OS X, link libpython normally, ignoring the "framework" framework.

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As of Xcode 5.0, Apple isn't including the Python framework as part of the
SDK-level files, which means that linking to it might fail depending on
whether Xcode thinks you've selected a specific SDK version.  According to
their Tech Note 2328, they've basically deprecated the framework method of
linking to libpython and are telling people to link to the shared library
normally.  (I'm pretty sure this is in direct contradiction to the advice
they were giving a few years ago, but whatever.)  Testing says that this
approach works fine at least as far back as OS X 10.4.11, so let's just
rip out the framework special case entirely.  We do still need a special
case to decide that OS X provides a shared library at all, unfortunately
(I wonder why the distutils check doesn't work ...).  But this is still
less of a special case than before, so it's fine.

Back-patch to all supported branches, since we'll doubtless be hearing
about this more as more people update to recent Xcode.
This commit is contained in:
Tom Lane
2014-05-30 18:18:11 -04:00
parent 512f3b03e3
commit 20561acf93
3 changed files with 10 additions and 21 deletions
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11
config/python.m4
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@ -68,14 +68,9 @@ python_libdir=`${PYTHON} -c "import distutils.sysconfig; print(' '.join(filter(N
python_ldlibrary=`${PYTHON} -c "import distutils.sysconfig; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('LDLIBRARY'))))"`
python_so=`${PYTHON} -c "import distutils.sysconfig; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('SO'))))"`
ldlibrary=`echo "${python_ldlibrary}" | sed "s/${python_so}$//"`
python_framework=`${PYTHON} -c "import distutils.sysconfig; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('PYTHONFRAMEWORK'))))"`
python_enable_shared=`${PYTHON} -c "import distutils.sysconfig; print(distutils.sysconfig.get_config_vars().get('Py_ENABLE_SHARED',0))"`
if test -n "$python_framework"; then
python_frameworkprefix=`${PYTHON} -c "import distutils.sysconfig; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('PYTHONFRAMEWORKPREFIX'))))"`
python_libspec="-F${python_frameworkprefix} -framework $python_framework"
python_enable_shared=1
elif test x"${python_libdir}" != x"" -a x"${python_ldlibrary}" != x"" -a x"${python_ldlibrary}" != x"${ldlibrary}"
if test x"${python_libdir}" != x"" -a x"${python_ldlibrary}" != x"" -a x"${python_ldlibrary}" != x"${ldlibrary}"
then
# New way: use the official shared library
ldlibrary=`echo "${ldlibrary}" | sed "s/^lib//"`
@ -91,9 +86,7 @@ else
python_libspec="-L${python_libdir} -lpython${python_ldversion}"
fi
if test -z "$python_framework"; then
python_additional_libs=`${PYTHON} -c "import distutils.sysconfig; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('LIBS','LIBC','LIBM','BASEMODLIBS'))))"`
fi
python_additional_libs=`${PYTHON} -c "import distutils.sysconfig; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('LIBS','LIBC','LIBM','BASEMODLIBS'))))"`
AC_MSG_RESULT([${python_libspec} ${python_additional_libs}])