gentoo-overlay/games-emulation/sdlmame/files/sdlmame-0.148_p1-no-opengl.patch

diff -Naur a/src/osd/sdl/osdsdl.h b/src/osd/sdl/osdsdl.h
--- a/src/osd/sdl/osdsdl.h	2012-07-11 20:49:55.070264487 +0200
+++ b/src/osd/sdl/osdsdl.h	2012-07-11 20:51:45.976264395 +0200
@@ -216,6 +216,8 @@
 	const char *audio_driver() const { return value(SDLOPTION_AUDIODRIVER); }
 #if USE_OPENGL
 	const char *gl_lib() const { return value(SDLOPTION_GL_LIB); }
+#else
+    const char *gl_lib() const { return NULL; }
 #endif
 
 private: