From a1595050bc43d70aa8df213c0c7ac8217d61b778 Mon Sep 17 00:00:00 2001
From: Felix Domke <tmbinc@elitedvb.net>
Date: Mon, 22 Sep 2008 12:38:04 +0000
Subject: [PATCH] also handle -isystem

---
 acinclude.m4 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/acinclude.m4 b/acinclude.m4
index 3bb5b10b..b71c89f4 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -414,6 +414,7 @@ AC_DEFUN([AC_PYTHON_DEVEL],[
 		python_path=
 		for i in $CPPFLAGS ; do
 			p=`echo $i | sed "s,^-I,,"`
+			p=`echo $p | sed "s,^-isystem,,"`
 			if test -f "$p/python$cross_PYTHON_VERSION/Python.h"; then
 				python_path="$p/python$cross_PYTHON_VERSION"
 				break
-- 
2.30.2