diff -Nru fs2_open-3.6.9/code/graphics/gropengltexture.cpp fs2_open-3.6.9-patched/code/graphics/gropengltexture.cpp
--- fs2_open-3.6.9/code/graphics/gropengltexture.cpp	2007-01-01 02:10:00.000000000 +0100
+++ fs2_open-3.6.9-patched/code/graphics/gropengltexture.cpp	2008-10-29 15:35:12.000000000 +0100
@@ -1815,11 +1815,6 @@
 			case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT:
 				strcpy(err_txt, "Missing one or more image attachments!\n");
 				break;
-#ifndef __APPLE__ // for some reason, Apple doesn't include this define in their headers
-			case GL_FRAMEBUFFER_INCOMPLETE_DUPLICATE_ATTACHMENT_EXT:
-				strcpy(err_txt, "Image attached to more than one FBO!\n");
-				break;
-#endif
 			case GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT:
 				strcpy(err_txt, "Attached images do not have the same width and height!\n");
 				break;