diff -Nru structure-synth-1.5.0/debian/changelog structure-synth-1.5.0/debian/changelog
--- structure-synth-1.5.0/debian/changelog	2010-11-26 00:01:50.000000000 +0100
+++ structure-synth-1.5.0/debian/changelog	2012-12-08 09:13:39.000000000 +0100
@@ -1,3 +1,15 @@
+structure-synth (1.5.0-1.0.12.04.1) precise-proposed-updates; urgency=low
+
+  [ Rolf Leggewie ]
+  * no change rebuild of 1.5.0-1.1 from quantal. LP: #935451
+
+  [ Sebastian Ramacher ]
+  * Non-maintainer upload.
+  * debian/patches/gcc4.7.patch: Fix FTBFS with g++ 4.7. (Closes: #672000)
+  * debian/rules: Link against GLU to fix build failure.
+
+ -- Rolf Leggewie <foss@rolf.leggewie.biz>  Sat, 08 Dec 2012 09:05:07 +0100
+
 structure-synth (1.5.0-1) unstable; urgency=low
 
   * New upstream release
diff -Nru structure-synth-1.5.0/debian/patches/gcc4.7.patch structure-synth-1.5.0/debian/patches/gcc4.7.patch
--- structure-synth-1.5.0/debian/patches/gcc4.7.patch	1970-01-01 01:00:00.000000000 +0100
+++ structure-synth-1.5.0/debian/patches/gcc4.7.patch	2012-05-13 10:50:38.000000000 +0200
@@ -0,0 +1,28 @@
+Description: Fix build failures with g++ 4.7.
+Author: Sebastian Ramacher <s.ramacher@gmx.at>
+Last-Update: 2012-05-13
+
+Index: structure-synth-1.5.0/SyntopiaCore/GLEngine/Sphere.h
+===================================================================
+--- structure-synth-1.5.0.orig/SyntopiaCore/GLEngine/Sphere.h	2012-05-13 01:16:32.000000000 +0200
++++ structure-synth-1.5.0/SyntopiaCore/GLEngine/Sphere.h	2012-05-13 01:16:33.000000000 +0200
+@@ -2,6 +2,7 @@
+ 
+ #include "SyntopiaCore/Math/Vector3.h"
+ #include "Object3D.h"
++#include <GL/glu.h>
+ 
+ namespace SyntopiaCore {
+ 	namespace GLEngine {	
+Index: structure-synth-1.5.0/SyntopiaCore/GLEngine/Raytracer/RayTracer.cpp
+===================================================================
+--- structure-synth-1.5.0.orig/SyntopiaCore/GLEngine/Raytracer/RayTracer.cpp	2012-05-13 01:16:32.000000000 +0200
++++ structure-synth-1.5.0/SyntopiaCore/GLEngine/Raytracer/RayTracer.cpp	2012-05-13 01:16:33.000000000 +0200
+@@ -1,5 +1,5 @@
+ #include <QThread>
+-
++#include <GL/glu.h>
+ 
+ #include "RayTracer.h"
+ 
+
diff -Nru structure-synth-1.5.0/debian/patches/series structure-synth-1.5.0/debian/patches/series
--- structure-synth-1.5.0/debian/patches/series	2010-11-25 23:59:08.000000000 +0100
+++ structure-synth-1.5.0/debian/patches/series	2012-05-13 01:13:09.000000000 +0200
@@ -1,3 +1,4 @@
 abs_data_path.patch
 sunflow.patch
 fix_help.patch
+gcc4.7.patch
diff -Nru structure-synth-1.5.0/debian/rules structure-synth-1.5.0/debian/rules
--- structure-synth-1.5.0/debian/rules	2010-11-25 21:53:52.000000000 +0100
+++ structure-synth-1.5.0/debian/rules	2012-05-13 01:23:26.000000000 +0200
@@ -13,7 +13,7 @@
 build-stamp: config-stamp  
 	dh_testdir
 	qmake-qt4 -project \
-		-after "CONFIG+=opengl" -after "QT+=xml opengl script"
+		-after "CONFIG+=opengl" -after "QT+=xml opengl script" -after "unix:LIBS+=-lGLU"
 	qmake-qt4
 	$(MAKE) \
 		CFLAGS="$(CFLAGS) -DDATADIR=\\\"/usr/share/structure-synth\\\"" \