From c2f19f450b037fb28a269ad2ff5c228dfa6d5dad Mon Sep 17 00:00:00 2001
From: don bright <hugh.m.bright@gmail.com>
Date: Sun, 3 Jun 2012 16:16:40 +0200
Subject: more reliable way of ensuring GLU is linked on new DSO linux systems.


diff --git a/openscad.pro b/openscad.pro
index 453ab77..591ed5f 100644
--- a/openscad.pro
+++ b/openscad.pro
@@ -81,9 +81,13 @@ win32 {
 CONFIG += qt
 QT += opengl
 
-# Fedora Linux + DSO fix
-linux*:exists(/usr/lib64/libGLU*)|linux*:exists(/usr/lib/libGLU*) {
-  LIBS += -lGLU
+# see http://fedoraproject.org/wiki/UnderstandingDSOLinkChange
+# and https://github.com/openscad/openscad/pull/119
+# ( QT += opengl does not automatically link glu on some DSO systems. )
+unix:!macx {
+  !contains ( QMAKE_LIBS_OPENGL, "-lGLU" ) {
+    QMAKE_LIBS_OPENGL += -lGLU
+  }
 }
 
 netbsd* {
-- 
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