AC_DEFUN([AX_CHECK_PYTHON_DEVEL], [ ac_previous_cppflags=$CPPFLAGS ac_previous_ldflags=$LDFLAGS ac_previous_libs=$LIBS AC_PATH_PROG([pyconfig], [$PYTHON-config], [no]) AS_IF([test x"$pyconfig" = x"no"], [ dnl For those that don't have python-config CPPFLAGS="$CFLAGS `$PYTHON -c 'import distutils.sysconfig; \ print("-I" + distutils.sysconfig.get_config_var("INCLUDEPY"))'`" CPPFLAGS="$CPPFLAGS `$PYTHON -c 'import distutils.sysconfig; \ print(distutils.sysconfig.get_config_var("CFLAGS"))'`" LDFLAGS="$LDFLAGS `$PYTHON -c 'import distutils.sysconfig; \ print("-L" + distutils.sysconfig.get_python_lib(plat_specific=1,\ standard_lib=1) + "/config")'`" LDFLAGS="$LDFLAGS `$PYTHON -c 'import distutils.sysconfig; \ print(distutils.sysconfig.get_config_var("LINKFORSHARED"))'`" LDFLAGS="$LDFLAGS `$PYTHON -c 'import distutils.sysconfig; \ print(distutils.sysconfig.get_config_var("LDFLAGS"))'`" LIBS="$LIBS `$PYTHON -c 'import distutils.sysconfig; \ print(distutils.sysconfig.get_config_var("LIBS"))'`" LIBS="$LIBS `$PYTHON -c 'import distutils.sysconfig; \ print(distutils.sysconfig.get_config_var("SYSLIBS"))'`" ], [ dnl If python-config is found use it CPPFLAGS="$CFLAGS `$PYTHON-config --cflags`" dnl We need to use --embed with python 3.8 but not with earlier version so dnl check if it is recognized. python_devel_embed="" if $PYTHON-config --embed >/dev/null 2>/dev/null; then python_devel_embed="--embed" fi LDFLAGS="$LDFLAGS `$PYTHON-config --ldflags $python_devel_embed`" LIBS="$LIBS `$PYTHON-config --libs $python_devel_embed`" unset python_devel_embed ]) AC_CHECK_HEADER([Python.h], [], [AC_MSG_ERROR([Unable to find Python development headers])],) AC_CHECK_FUNC([PyArg_ParseTuple], [], [AC_MSG_ERROR([Unable to find a suitable python development library])]) CPPFLAGS=$ac_previous_cppflags LDFLAGS=$ac_previous_ldflags LIBS=$ac_previous_libs ])