The error message is:

gcc -c -o tnl/t_vertex_sse.o tnl/t_vertex_sse.c -DFEATURE_GL=1 -D_GNU_SOURCE -DPTHREADS -DTEXTURE_FLOAT_ENABLED -DHAVE_POSIX_MEMALIGN -DGLX_INDIRECT_RENDERING -DGLX_DIRECT_RENDERING -DUSE_EXTERNAL_DXTN_LIB=1 -DIN_DRI_DRIVER -DHAVE_ALIAS -DHAVE_MINCORE -DHAVE_LIBUDEV -DHAVE_XCB_DRI2 -DXCB_DRI2_CONNECT_DEVICE_NAME_BROKEN -D__STDC_CONSTANT_MACROS -DHAVE_LLVM=0x0208 -I../../include -I../../src/glsl -I../../src/mesa -I../../src/mapi -I../../src/gallium/include -I../../src/gallium/auxiliary -I/usr/include   -D_GNU_SOURCE -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -O2 -g -gdwarf-2 -Wall -Wmissing-prototypes -std=c99 -ffast-math -fno-strict-aliasing -m32 -O2 -g -gdwarf-2 -fPIC -m32 -DUSE_X86_ASM -DUSE_MMX_ASM -DUSE_3DNOW_ASM -DUSE_SSE_ASM -fvisibility=hidden
tnl/t_vertex_sse.c: In function ‘build_vertex_emit’:
tnl/t_vertex_sse.c:578:11: error: ‘CHAN_TYPE’ undeclared (first use in this function)
tnl/t_vertex_sse.c:578:11: note: each undeclared identifier is reported only once for each function it appears in
gmake[2]: *** [tnl/t_vertex_sse.o] Error 1
gmake[2]: Leaving directory `/home/chris/Programs/mesa/src/mesa'
make[1]: *** [subdirs] Error 1
make[1]: Leaving directory `/home/chris/Programs/mesa/src'
make: *** [default] Error 1