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5aec9ccafe
Pre-Lion versions of Apple's linker don't allow space between -F and its
argument. (Snow Leopard is nice enough to tell you that in so many words,
but older versions just fail with very obscure link errors, as seen on
buildfarm member locust for instance.) Oversight in commit
fc8745070a.
120 lines
4.6 KiB
Plaintext
120 lines
4.6 KiB
Plaintext
#
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# Autoconf macros for configuring the build of Python extension modules
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#
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# config/python.m4
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#
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# PGAC_PATH_PYTHON
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# ----------------
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# Look for Python and set the output variable 'PYTHON'
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# to 'python' if found, empty otherwise.
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AC_DEFUN([PGAC_PATH_PYTHON],
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[AC_PATH_PROG(PYTHON, python)
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if test x"$PYTHON" = x""; then
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AC_MSG_ERROR([Python not found])
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fi
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])
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# _PGAC_CHECK_PYTHON_DIRS
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# -----------------------
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# Determine the name of various directories of a given Python installation.
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AC_DEFUN([_PGAC_CHECK_PYTHON_DIRS],
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[AC_REQUIRE([PGAC_PATH_PYTHON])
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AC_MSG_CHECKING([for Python distutils module])
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if "${PYTHON}" -c 'import distutils' 2>&AS_MESSAGE_LOG_FD
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then
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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AC_MSG_ERROR([distutils module not found])
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fi
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AC_MSG_CHECKING([Python configuration directory])
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python_majorversion=`${PYTHON} -c "import sys; print(sys.version[[0]])"`
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python_version=`${PYTHON} -c "import sys; print(sys.version[[:3]])"`
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python_configdir=`${PYTHON} -c "import distutils.sysconfig; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('LIBPL'))))"`
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AC_MSG_RESULT([$python_configdir])
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AC_MSG_CHECKING([Python include directories])
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python_includespec=`${PYTHON} -c "
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import distutils.sysconfig
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a = '-I' + distutils.sysconfig.get_python_inc(False)
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b = '-I' + distutils.sysconfig.get_python_inc(True)
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if a == b:
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print(a)
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else:
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print(a + ' ' + b)"`
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AC_MSG_RESULT([$python_includespec])
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AC_SUBST(python_majorversion)[]dnl
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AC_SUBST(python_version)[]dnl
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AC_SUBST(python_includespec)[]dnl
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])# _PGAC_CHECK_PYTHON_DIRS
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# PGAC_CHECK_PYTHON_EMBED_SETUP
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# -----------------------------
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#
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# Note: selecting libpython from python_configdir works in all Python
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# releases, but it generally finds a non-shared library, which means
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# that we are binding the python interpreter right into libplpython.so.
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# In Python 2.3 and up there should be a shared library available in
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# the main library location.
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AC_DEFUN([PGAC_CHECK_PYTHON_EMBED_SETUP],
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[AC_REQUIRE([_PGAC_CHECK_PYTHON_DIRS])
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AC_MSG_CHECKING([how to link an embedded Python application])
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python_libdir=`${PYTHON} -c "import distutils.sysconfig; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('LIBDIR'))))"`
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python_ldlibrary=`${PYTHON} -c "import distutils.sysconfig; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('LDLIBRARY'))))"`
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python_so=`${PYTHON} -c "import distutils.sysconfig; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('SO'))))"`
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ldlibrary=`echo "${python_ldlibrary}" | sed "s/${python_so}$//"`
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python_framework=`${PYTHON} -c "import distutils.sysconfig; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('PYTHONFRAMEWORK'))))"`
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python_enable_shared=`${PYTHON} -c "import distutils.sysconfig; print(distutils.sysconfig.get_config_vars().get('Py_ENABLE_SHARED',0))"`
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if test -n "$python_framework"; then
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python_frameworkprefix=`${PYTHON} -c "import distutils.sysconfig; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('PYTHONFRAMEWORKPREFIX'))))"`
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python_libspec="-F${python_frameworkprefix} -framework $python_framework"
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python_enable_shared=1
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elif test x"${python_libdir}" != x"" -a x"${python_ldlibrary}" != x"" -a x"${python_ldlibrary}" != x"${ldlibrary}"
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then
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# New way: use the official shared library
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ldlibrary=`echo "${ldlibrary}" | sed "s/^lib//"`
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python_libspec="-L${python_libdir} -l${ldlibrary}"
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else
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# Old way: use libpython from python_configdir
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python_libdir="${python_configdir}"
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# LDVERSION was introduced in Python 3.2.
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python_ldversion=`${PYTHON} -c "import distutils.sysconfig; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('LDVERSION'))))"`
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if test x"${python_ldversion}" = x""; then
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python_ldversion=$python_version
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fi
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python_libspec="-L${python_libdir} -lpython${python_ldversion}"
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fi
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if test -z "$python_framework"; then
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python_additional_libs=`${PYTHON} -c "import distutils.sysconfig; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('LIBS','LIBC','LIBM','BASEMODLIBS'))))"`
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fi
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AC_MSG_RESULT([${python_libspec} ${python_additional_libs}])
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AC_SUBST(python_libdir)[]dnl
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AC_SUBST(python_libspec)[]dnl
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AC_SUBST(python_additional_libs)[]dnl
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AC_SUBST(python_enable_shared)[]dnl
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# threaded python is not supported on OpenBSD
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AC_MSG_CHECKING(whether Python is compiled with thread support)
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pythreads=`${PYTHON} -c "import sys; print(int('thread' in sys.builtin_module_names))"`
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if test "$pythreads" = "1"; then
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AC_MSG_RESULT(yes)
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case $host_os in
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openbsd*)
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AC_MSG_ERROR([threaded Python not supported on this platform])
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;;
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esac
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else
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AC_MSG_RESULT(no)
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fi
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])# PGAC_CHECK_PYTHON_EMBED_SETUP
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