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dnl Check for python-config and substitute needed CFLAGS and LDFLAGS
dnl Usage:
dnl AM_PYTHON_CONFIG
AC_DEFUN([AM_PYTHON_CONFIG],
[ AC_SUBST(PYTHON_CFLAGS)
AC_SUBST(PYTHON_LIBS)
dnl We need to check for python build flags using distutils.sysconfig
dnl We cannot use python-config, as it was not available on older
dnl versions of python
AC_PATH_PROG(PYTHON, python)
AC_MSG_CHECKING([for working python])
if test -x "$PYTHON"; then
PYTHON_CFLAGS="`$PYTHON -c \"from distutils import sysconfig; \
print('-I' + sysconfig.get_python_inc() + \
' -I' + sysconfig.get_python_inc(plat_specific=True) + ' ' + \
sysconfig.get_config_var('BASECFLAGS'))\"`"
PYTHON_LIBS="`$PYTHON -c \"from distutils import sysconfig; \
print(' '.join(sysconfig.get_config_var('LIBS').split() + \
sysconfig.get_config_var('SYSLIBS').split()) + \
' ' + sysconfig.get_config_var('BLDLIBRARY') + ' ' + \
' -L' + sysconfig.get_config_var('LIBDIR'))\"`"
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
AC_MSG_ERROR([Please install python devel package])
fi
])
dnl Taken from GNOME sources
dnl a macro to check for ability to create python extensions
dnl AM_CHECK_PYTHON_HEADERS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE])
dnl function also defines PYTHON_INCLUDES
AC_DEFUN([AM_CHECK_PYTHON_HEADERS],
[AC_REQUIRE([AM_PATH_PYTHON])
AC_MSG_CHECKING(for headers required to compile python extensions)
dnl deduce PYTHON_INCLUDES
PYTHON_INCLUDES=-I`$PYTHON -c "from distutils import sysconfig; print(sysconfig.get_config_var('INCLUDEPY'))"`
AC_SUBST(PYTHON_INCLUDES)
dnl check if the headers exist:
save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES"
AC_TRY_CPP([#include <Python.h>],dnl
[AC_MSG_RESULT([found])
$1],dnl
[AC_MSG_RESULT([not found])
$2])
CPPFLAGS="$save_CPPFLAGS"
])
dnl Checks for a couple of functions we use that may not be defined
dnl in some older python versions used e.g. on RHEL5
AC_DEFUN([AM_CHECK_PYTHON_COMPAT],
[AC_REQUIRE([AM_CHECK_PYTHON_HEADERS])
save_CPPFLAGS="$CPPFLAGS"
save_LIBS="$LIBS"
CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES"
LIBS="$LIBS $PYTHON_LIBS"
AC_CHECK_FUNCS([PyErr_NewExceptionWithDoc])
AC_CHECK_DECLS([PyUnicode_FromString], [], [], [[#include <Python.h>]])
CPPFLAGS="$save_CPPFLAGS"
LIBS="$save_LIBS"
])
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