When osmesa is build on linux using scons, then it contains none of the OSMesa specific symbols nor any of the gl* symbols. So it's basically broken. mesa-git # scons build=release mesa-git # nm build/linux-x86_64/gallium/targets/osmesa/libosmesa.so | grep OSMesaCreateContext (no result) mesa-git # nm lib/gallium/libOSMesa.so | grep glCreate (no result) However, when osmesa is build with make, then it contains all of the symbols: mesa-git # ./configure --enable-gallium-osmesa --with-gallium-drivers=swrast --disable-llvm-shared-libs --disable-driglx-direct --disable-dri --disable-glx --disable-egl mesa-git # make mesa-git # nm lib/gallium/libOSMesa.so | grep OSMesaCreateContext 00000000004a1a40 T OSMesaCreateContext 00000000004a1610 t OSMesaCreateContextAttribs 00000000004a19e0 T OSMesaCreateContextExt mesa-git # nm lib/gallium/libOSMesa.so | grep glCreate 00000000004ad370 T glCreateProgram 00000000004b2620 T glCreateProgramObjectARB 00000000004ad3a0 T glCreateShader 00000000004b2650 T glCreateShaderObjectARB Just for reference, the classic osmesa (swrast) version build with scons also contains all symbols (even more (!) than gallium osmesa glCreateShaderProgramEXT/glCreateTextures): mesa-10.5.9 # scons build=release openmp=true osmesa mesa-10.5.9 # nm build/linux-x86_64/mesa/drivers/osmesa/libosmesa.so | grep OSMesaCreateContext 000000000005a740 T OSMesaCreateContext 000000000005a320 T OSMesaCreateContextExt mesa-10.5.9 # nm build/linux-x86_64/mesa/drivers/osmesa/libosmesa.so | grep glCreate 00000000000637e0 T glCreateProgram 0000000000064fc0 T glCreateProgramObjectARB 0000000000063800 T glCreateShader 0000000000064fe0 T glCreateShaderObjectARB 0000000000069150 T glCreateShaderProgramEXT 0000000000066de0 T glCreateTextures
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