1 files changed, 58 insertions, 0 deletions
diff --git a/src/external/python.m4 b/src/external/python.m4
new file mode 100644
index 000000000..db5986385
--- /dev/null
+++ b/src/external/python.m4
@@ -0,0 +1,58 @@
+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="`$PYTHON -c \"from distutils import sysconfig; \
+            print \\\" \\\".join(sysconfig.get_config_var('LIBS').split() + \
+            sysconfig.get_config_var('SYSLIBS').split()) + \
+            ' -lpython' + sysconfig.get_config_var('VERSION')\"`"
+            AC_MSG_RESULT([yes])
+    else
+        AC_MSG_ERROR([no. Please install python devel package])
+    fi
+])
+
+dnl Taken from GNOME sources
+dnl a macro to check for ability to create python extensions
+dnl  AM_CHECK_PYTHON_HEADERS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE])
+dnl function also defines PYTHON_INCLUDES
+AC_DEFUN([AM_CHECK_PYTHON_HEADERS],
+[AC_REQUIRE([AM_PATH_PYTHON])
+    AC_MSG_CHECKING(for headers required to compile python extensions)
+
+    dnl deduce PYTHON_INCLUDES
+    py_prefix=`$PYTHON -c "import sys; print sys.prefix"`
+    py_exec_prefix=`$PYTHON -c "import sys; print sys.exec_prefix"`
+    PYTHON_INCLUDES="-I${py_prefix}/include/python${PYTHON_VERSION}"
+    if test "$py_prefix" != "$py_exec_prefix"; then
+        PYTHON_INCLUDES="$PYTHON_INCLUDES -I${py_exec_prefix}/include/python${PYTHON_VERSION}"
+    fi
+
+    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"
+])
+
+