From ac6e8a211cf64000a1a5c1b4da93b983ed135698 Mon Sep 17 00:00:00 2001
From: rubidium <rubidium@openttd.org>
Date: Wed, 14 Apr 2010 10:00:57 +0000
Subject: [PATCH] (svn r19627) -Fix [OSX]: mark the macports default include
 directory as a system include directory so our -W flags don't cause warnings
 on headers in there (planetmaker) As this is a OS X patch... I have not and
 cannot test it, so if it breaks your system: do not blame me!

---
 config.lib | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/config.lib b/config.lib
index fd59496527..be58f76975 100644
--- a/config.lib
+++ b/config.lib
@@ -1330,6 +1330,10 @@ make_cflags_and_ldflags() {
 
 	if [ "$os" = "OSX" ]; then
 		LDFLAGS="$LDFLAGS -framework Cocoa"
+
+		# Add macports include dir which is not always set a default system dir. This avoids zillions of bogus warnings.
+		CFLAGS="$CFLAGS -isystem/opt/local/include"
+
 		if [ "$enable_dedicated" = "0" ] && ([ "$cpu_type" = "32" ] || [ "$enable_universal" != "0" ]); then
 			LIBS="$LIBS -framework QuickTime"
 		else