guix/gnu/packages/patches/allegro4-mesa-18.2.5-and-later.patch
Efraim Flashner d5c60e0aff
gnu: allegro@4: Fix building with newer mesa.
* gnu/packages/game-development.scm (allegro@4)[source]: Add patch.
* gnu/packages/patches/allegro4-mesa-18.2.5-and-later.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register it.
2019-01-01 10:55:41 +02:00

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Diff

Fixes compilation with Mesa >= 18.2.5.
Modified from upstream to work on allegro4:
https://github.com/liballeg/allegro5/commit/a40d30e21802ecf5c9382cf34af9b01bd3781e47
diff --git a/addons/allegrogl/include/alleggl.h b/addons/allegrogl/include/alleggl.h
index 0f86a6768..652dd024e 100644
--- a/addons/allegrogl/include/alleggl.h
+++ b/addons/allegrogl/include/alleggl.h
@@ -103,10 +103,14 @@
/* HACK: Prevent both Mesa and SGI's broken headers from screwing us */
#define __glext_h_
+#define __gl_glext_h_
#define __glxext_h_
+#define __glx_glxext_h_
#include <GL/gl.h>
#undef __glext_h_
+#undef __gl_glext_h_
#undef __glxext_h_
+#undef __glx_glxext_h_
#endif /* ALLEGRO_MACOSX */
diff --git a/addons/allegrogl/include/allegrogl/GLext/glx_ext_defs.h b/addons/allegrogl/include/allegrogl/GLext/glx_ext_defs.h
index 49c502091..fba8aea5d 100644
--- a/addons/allegrogl/include/allegrogl/GLext/glx_ext_defs.h
+++ b/addons/allegrogl/include/allegrogl/GLext/glx_ext_defs.h
@@ -1,7 +1,9 @@
/* HACK: Prevent both Mesa and SGI's broken headers from screwing us */
#define __glxext_h_
+#define __glx_glxext_h_
#include <GL/glx.h>
#undef __glxext_h_
+#undef __glx_glxext_h_
#ifndef GLX_VERSION_1_3
#define _ALLEGRO_GLX_VERSION_1_3
--
2.20.0