From a1ac5fb532f745e5fefab5b98602e6480e0be883 Mon Sep 17 00:00:00 2001
From: Philippe Renon <op.filnet@yahoo.fr>
Date: Wed, 2 Dec 2015 23:16:05 +0100
Subject: [PATCH] LP-29 compile with libc++ on osx to fix issues when linking
 with osg

---
 ground/gcs/gcs.pri | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ground/gcs/gcs.pri b/ground/gcs/gcs.pri
index 143b34daa..75385aa71 100644
--- a/ground/gcs/gcs.pri
+++ b/ground/gcs/gcs.pri
@@ -254,9 +254,11 @@ macx {
         QMAKE_CFLAGS_WARN_ON   += -Werror
         QMAKE_CXXFLAGS_WARN_ON += -Wno-gnu-static-float-init
     }
+    # building with libc++ is needed when linking with osg/gdal
+    QMAKE_CXXFLAGS += -stdlib=libc++
+    QMAKE_LFLAGS += -stdlib=libc++
 }
 
-
 # use ccache when available
 QMAKE_CC = $$(CCACHE) $$QMAKE_CC
 QMAKE_CXX = $$(CCACHE) $$QMAKE_CXX