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Bug 802

Summary: SDL_x11gl.c fails to build on some OS X systems, patch attached
Product: SDL Reporter: Max Horn <max>
Component: videoAssignee: Ryan C. Gordon <icculus>
Status: RESOLVED FIXED QA Contact: Sam Lantinga <slouken>
Severity: normal    
Priority: P2    
Version: 1.2.14   
Hardware: PowerPC   
OS: Mac OS X (All)   
Attachments: Patch adding #include <GL/glxtokens.h>

Description Max Horn 2009-09-21 12:34:37 UTC 
The attached patch is taken from the Fink SDL package. It works around a build issue in SDL_x11gl.c on some systems, apparently caused by differences in the OpenGL headers (possibly caused by a newer/older X11 version being presented on affected systems).

I cannot test this elsewhere, but maybe this could be included in SDL 1.2.14 ?
Comment 1 Max Horn 2009-09-21 12:35:03 UTC 
Created attachment 369 [details]
Patch adding #include <GL/glxtokens.h>
Comment 2 Sam Lantinga 2009-09-23 00:12:29 UTC 
I think I already fixed this.  Is the build issue present with the current SDL 1.2 snapshot?
Comment 3 Max Horn 2009-09-23 03:07:18 UTC 
Hard to tell for me, as I never could reproduce the issue, but some users could. All of them had XQuartz installed, which updates the X11 installation.

The error used to be:

 gcc -g -O2 -I/sw/include -I./include -D_GNU_SOURCE=1 -DTARGET_API_MAC_CARBON -DTARGET_API_MAC_OSX -fvisibility=hidden -I/usr/X11R6/include -DXTHREADS -D_THREAD_SAFE -force_cpusubtype_ALL -fpascal-strings -c ./src/video/x11/SDL_x11gamma.c -o build/SDL_x11gamma.o >/dev/null 2>&1
/bin/sh ./libtool --mode=compile gcc -g -O2 -I/sw/include -I./include -D_GNU_SOURCE=1 -DTARGET_API_MAC_CARBON -DTARGET_API_MAC_OSX -fvisibility=hidden  -I/usr/X11R6/include -DXTHREADS -D_THREAD_SAFE -force_cpusubtype_ALL -fpascal-strings -c ./src/video/x11/SDL_x11gl.c  -o build/SDL_x11gl.lo
 gcc -g -O2 -I/sw/include -I./include -D_GNU_SOURCE=1 -DTARGET_API_MAC_CARBON -DTARGET_API_MAC_OSX -fvisibility=hidden -I/usr/X11R6/include -DXTHREADS -D_THREAD_SAFE -force_cpusubtype_ALL -fpascal-strings -c ./src/video/x11/SDL_x11gl.c  -fno-common -DPIC -o build/.libs/SDL_x11gl.o
./src/video/x11/SDL_x11gl.c: In function 'X11_GL_GetVisual':
./src/video/x11/SDL_x11gl.c:188: error: 'GLX_NONE_EXT' undeclared (first use in this function)
./src/video/x11/SDL_x11gl.c:188: error: (Each undeclared identifier is reported only once
./src/video/x11/SDL_x11gl.c:188: error: for each function it appears in.)
make: *** [build/SDL_x11gl.lo] Error 1
Comment 4 Sam Lantinga 2009-09-23 23:27:32 UTC 
Oh yeah, this is fixed in subversion.  Thanks!