From 7b9d3f1fa9cb36c64d23213910f76e71eca16273 Mon Sep 17 00:00:00 2001
From: Helio Chissini de Castro <heliocastro@gmail.com>
Date: Sun, 30 Nov 2014 14:57:11 -0200
Subject: [PATCH] - Use pkgconfig on linux to avoid break build on undefineds

---
 QGCExternalLibs.pri | 4 +---
 qgroundcontrol.pro  | 2 +-
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/QGCExternalLibs.pri b/QGCExternalLibs.pri
index 8b7edd40f..15a74c099 100644
--- a/QGCExternalLibs.pri
+++ b/QGCExternalLibs.pri
@@ -366,9 +366,7 @@ MacBuild {
         -F$$BASEDIR/libs/lib/Frameworks \
         -framework SDL
 } else:LinuxBuild {
-	LIBS += \
-		-lSDL \
-		-lSDLmain
+	PKGCONFIG = sdl
 } else:WindowsBuild {
 	INCLUDEPATH += \
         $$BASEDIR/libs/lib/sdl/msvc/include \
diff --git a/qgroundcontrol.pro b/qgroundcontrol.pro
index f5102c584..96edf327f 100644
--- a/qgroundcontrol.pro
+++ b/qgroundcontrol.pro
@@ -30,7 +30,7 @@ message(Qt version $$[QT_VERSION])
 linux {
     linux-g++ | linux-g++-64 {
         message("Linux build")
-        CONFIG += LinuxBuild
+        CONFIG += LinuxBuild link_pkgconfig
     } else {
         error("Unsuported Linux toolchain, only GCC 32- or 64-bit is supported")
     }
-- 
2.22.0