From 4ae8aed082dab549effe0faafbb019fe858e4d0c Mon Sep 17 00:00:00 2001
From: Sebastian Pipping <sebastian@pipping.org>
Date: Sun, 15 May 2016 13:50:06 +0200
Subject: [PATCH] Makefile.in: Respect CXXFLAGS if given

---
 expat/configure.ac | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/expat/configure.ac b/expat/configure.ac
index 7e968c46..3b2c99e4 100644
--- a/expat/configure.ac
+++ b/expat/configure.ac
@@ -77,7 +77,9 @@ if test "$GCC" = yes ; then
     AC_TRY_LINK( , ,
                    AC_MSG_RESULT(yes),
                    AC_MSG_RESULT(no); CFLAGS="$OLDCFLAGS")
+    if test "x$CXXFLAGS" = x ; then
     CXXFLAGS=`echo "$CFLAGS" | sed 's/ -Wmissing-prototypes -Wstrict-prototypes//'`
+    fi
 fi
 
 dnl Checks for header files.