m4: Use python-config if available to fix Python 3 support on newer distros

1 files changed, 6 insertions, 0 deletions

diff --git a/m4/ac_python_devel.m4 b/m4/ac_python_devel.m4
index 2e7406e..545c607 100644
--- a/m4/ac_python_devel.m4
+++ b/m4/ac_python_devel.m4
@@ -151,6 +151,9 @@ $ac_distutils_result])
         # Check for Python include path
         #
         AC_MSG_CHECKING([for Python include path])
+        if type $PYTHON-config; then
+                PYTHON_CPPFLAGS=`$PYTHON-config --includes`
+        fi
         if test -z "$PYTHON_CPPFLAGS"; then
                 python_path=`$PYTHON -c "import distutils.sysconfig; \
                         print(distutils.sysconfig.get_python_inc());"`
@@ -166,6 +169,9 @@ $ac_distutils_result])
         # Check for Python library path
         #
         AC_MSG_CHECKING([for Python library path])
+        if type $PYTHON-config; then
+                PYTHON_LDFLAGS=`$PYTHON-config --ldflags`
+        fi
         if test -z "$PYTHON_LDFLAGS"; then
                 # (makes two attempts to ensure we've got a version number
                 # from the interpreter)