--- allegro-4.4.1.1.old/CMakeLists.txt
+++ allegro-4.4.1.1/CMakeLists.txt
@@ -825,7 +825,7 @@
 # Addons
 #
 
-option(WANT_ALLEGROGL "Enable AllegroGL" on)
+option(WANT_ALLEGROGL "Enable AllegroGL" off)
 option(WANT_LOADPNG "Enable loadpng" on)
 option(WANT_LOGG "Enable logg" on)
 option(WANT_JPGALLEG "Enable JPGAlleg" on)
@@ -901,7 +901,7 @@
 # Samples - after addons because skater can use AllegroGL
 #
 
-option(WANT_EXAMPLES "Build example programs" on)
+option(WANT_EXAMPLES "Build example programs" on)
 
 if(WANT_EXAMPLES)
     add_subdirectory(examples)
--- allegro-4.4.1.1.old/addons/allegrogl/src/glext.c
+++ allegro-4.4.1.1/addons/allegrogl/src/glext.c
@@ -5,6 +5,10 @@
   * \brief OpenGL extension management.
   */
 
+#define ALLEGRO_GLXGETPROCADDRESSARB    1
+#define ALLEGROGL_GLXGETPROCADDRESSARB  1
+#define GLX_GLXEXT_LEGACY               1
+ 
 #include "alleggl.h"
 #include "allglint.h"
 #include <string.h>
--- allegro-4.4.1.1.old/cmake/FindVorbis.cmake
+++ allegro-4.4.1.1/cmake/FindVorbis.cmake
@@ -12,9 +12,14 @@
     endif(VORBIS_INCLUDE_DIR)
     find_path(OGG_INCLUDE_DIR ogg/ogg.h)
     find_path(VORBIS_INCLUDE_DIR vorbis/vorbisfile.h)
-    find_library(OGG_LIBRARY NAMES ogg)
-    find_library(VORBIS_LIBRARY NAMES vorbis)
-    find_library(VORBISFILE_LIBRARY NAMES vorbisfile)
+
+    find_library(OGG_LIBRARY NAMES ogg
+        PATHS __META_PRODTREE__/libogg/lib)
+    find_library(VORBIS_LIBRARY NAMES vorbis
+        PATHS __META_PRODTREE__/libvorbis/lib)
+    find_library(VORBISFILE_LIBRARY NAMES vorbisfile
+        PATHS __META_PRODTREE__/libvorbis/lib)
+
     # Handle the QUIETLY and REQUIRED arguments and set VORBIS_FOUND
     # to TRUE if all listed variables are TRUE.
     include(FindPackageHandleStandardArgs)