#30492: Mesa 7.11-rc3 does not compile on PPC Mac OS X 10.5.8 due to C header file --------------------------------------+------------------------------------- Reporter: Peter_Dyballa@… | Owner: macports-tickets@… Type: defect | Status: new Priority: Normal | Milestone: Component: ports | Version: 2.0.0 Keywords: | Port: mesa --------------------------------------+------------------------------------- Compilation ends here: {{{ /usr/bin/gcc-4.2 -c -o state_tracker/st_atom.o state_tracker/st_atom.c -D_DARWIN_C_SOURCE -DPTHREADS -D_GNU_SOURCE -DGLX_ALIAS_UNSUPPORTED -DGLX_DIRECT_RENDERING -DGLX_USE_APPLEGL -I../../include -I../../src/glsl -I../../src/mesa -I../../src/mapi -I../../src/gallium/include -I../../src/gallium/auxiliary -ggdb3 -Os -Wall -Wmissing-prototypes -std=c99 -ffast-math -fno-strict-aliasing -fvisibility=hidden -I/opt/local/include -I/opt/local/include -fPIC -arch ppc In file included from ../../src/gallium/include/pipe/p_compiler.h:32, from ../../src/gallium/include/pipe/p_defines.h:31, from state_tracker/st_atom.c:32: ../../src/gallium/include/pipe/p_config.h:134:2: error: #error Unknown Endianness make[2]: *** [state_tracker/st_atom.o] Error 1 make[2]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_lil.fr.rsync.macports.org_release_ports_x11_mesa/mesa/work/Mesa-7.11-rc3/src/mesa' make[1]: *** [subdirs] Error 1 make[1]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_lil.fr.rsync.macports.org_release_ports_x11_mesa/mesa/work/Mesa-7.11-rc3/src' make: *** [default] Error 1 }}} The cause is that GCC 4.2 defines (at least with PPC 7447A/7450) other symbols than assumed in src/gallium/include/pipe/p_config.h: {{{ echo | gcc-4.2 -E -dM - | grep -i ppc | sort #define _ARCH_PPC 1 #define _ARCH_PPCGR 1 #define __ppc__ 1 }}} So these lines fail to define a pipe architecture: {{{ 102 #if defined(__PPC__) 103 #define PIPE_ARCH_PPC 104 #if defined(__PPC64__) 105 #define PIPE_ARCH_PPC_64 106 #endif 107 #endif }}} GCC 4.2 provides so easy means: {{{ echo | gcc-4.2 -E -dM - | grep -i end | sort #define _BIG_ENDIAN 1 #define __BIG_ENDIAN__ 1 }}} Could be it's even documented... -- Ticket URL: <https://trac.macports.org/ticket/30492> MacPorts <http://www.macports.org/> Ports system for Mac OS