diff --git a/asc-2.4.0.0-gcc47.patch b/asc-2.4.0.0-gcc47.patch
new file mode 100644
index 0000000..021c657
--- /dev/null
+++ b/asc-2.4.0.0-gcc47.patch
@@ -0,0 +1,70 @@
+--- asc-2.4.0.0/source/graphics/blitter.h	2008-07-11 23:26:58.000000000 +0200
++++ asc-2.4.0.0.new/source/graphics/blitter.h	2012-01-15 14:36:39.753033150 +0100
+@@ -749,7 +748,7 @@
+ 
+       void assign ( PixelType src, PixelType* dest )
+       {
+-         if ( isOpaque(src ) ) {
++         if ( this->isOpaque(src ) ) {
+             *dest = src;
+          }
+       };
+@@ -769,7 +768,7 @@
+ 
+       void assign ( PixelType src, PixelType* dest )
+       {
+-         if ( isOpaque(src ) ) {
++         if ( this->isOpaque(src ) ) {
+             *dest = src;
+          }
+       };
+@@ -928,6 +927,7 @@
+ };
+ 
+ 
++#include "drawing.h"
+ 
+ extern const int ColorMerger_Alpha_XLAT_Table_shadings[8]; 
+ 
+--- asc-2.4.0.0/source/graphics/drawing.h	2008-06-29 13:25:41.000000000 +0200
++++ asc-2.4.0.0.new/source/graphics/drawing.h	2012-01-15 14:37:33.193034937 +0100
+@@ -169,7 +169,7 @@
+          PixelType* pix = (PixelType*)( surf.pixels() );
+          pix += pos.y * surf.pitch()/pixelsize + pos.x;
+ 
+-         assign ( src, pix );
++         this->assign ( src, pix );
+       };
+ };
+ 
+--- asc-2.4.0.0/source/graphics/surface.cpp	2009-04-04 23:21:47.000000000 +0200
++++ asc-2.4.0.0.new/source/graphics/surface.cpp	2012-01-14 12:03:26.933912267 +0100
+@@ -579,7 +579,7 @@
+ 
+       void assign ( PixelType src, PixelType* dest )
+       {
+-         if ( !isOpaque(src ) )
++         if ( !this->isOpaque(src ) )
+             *dest &= alphamask;
+       };
+ 
+--- asc-2.4.0.0/source/itemrepository.cpp	2009-11-01 12:05:42.000000000 +0100
++++ asc-2.4.0.0.new/source/itemrepository.cpp	2012-01-14 12:06:59.420909604 +0100
+@@ -88,7 +88,7 @@
+    t->filename = fileName;
+    t->location = location;
+    t->archive = prc.getArchive();
+-   add ( t );
++   this->add ( t );
+ }
+ 
+ 
+@@ -110,7 +110,7 @@
+       t->archive = stream.readString();
+       dataLoaderTicker();
+ 
+-      add ( t );
++      this->add ( t );
+       // add ( T::newFromStream(stream ));
+    }
+ }
diff --git a/asc.spec b/asc.spec
index c280f05..283262a 100644
--- a/asc.spec
+++ b/asc.spec
@@ -1,12 +1,13 @@
 Name:           asc
 Version:        2.4.0.0
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        Advanced Strategic Command
 Group:          Amusements/Games
 License:        GPLv2+
 URL:            http://www.asc-hq.org/
 Source0:        http://downloads.sourceforge.net/asc-hq/asc-%{version}.tar.bz2
 Source1:        %{name}.desktop
+Patch0:         asc-2.4.0.0-gcc47.patch
 BuildRequires:  SDL_image-devel SDL_mixer-devel SDL_sound-devel
 BuildRequires:  bzip2-devel libjpeg-devel libsigc++-devel physfs-devel
 BuildRequires:  libvorbis-devel libpng-devel libtiff-devel boost-devel
@@ -20,6 +21,7 @@ ASC is a free, turn based strategy game.
 
 %prep
 %setup -q
+%patch0 -p1
 sed -i 's|$datadir/games/|$datadir/|g' configure
 sed -i 's|$(datadir)/games/|$(datadir)/|g' `find -name Makefile.in`
 chmod -x source/libs/paragui/include/paragui.h
@@ -73,6 +75,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 
 
 %changelog
+* Sat Jan 14 2012 Hans de Goede <hdegoede@redhat.com> - 2.4.0.0-5
+- Fix building with gcc-4.7
+
 * Thu Jan 12 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 2.4.0.0-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_17_Mass_Rebuild