PPSSPP for Pi

[Sim_Piko]

build v0.9.1-771-gaae6eb0
didn't touch the code yet

Code:

Building CXX object CMakeFiles/GPU.dir/GPU/GLES/GLES_GPU.cpp.o In file included from /home/pi/tmp/ppsspp/GPU/GLES/GLES_GPU.h:28:0, from /home/pi/tmp/ppsspp/GPU/GLES/GLES_GPU.cpp:32: /home/pi/tmp/ppsspp/GPU/GLES/TransformPipeline.h:67:7: error: expected identifier before ‘int’ /home/pi/tmp/ppsspp/GPU/GLES/TransformPipeline.h:67:14: error: expected unqualified-id before ‘{’ token /home/pi/tmp/ppsspp/GPU/GLES/TransformPipeline.h: In constructor ‘VertexArrayInfo::VertexArrayInfo()’: /home/pi/tmp/ppsspp/GPU/GLES/TransformPipeline.h:55:12: error: ‘VAI_NEW’ was not declared in this scope In file included from /home/pi/tmp/ppsspp/GPU/GLES/GLES_GPU.h:29:0, from /home/pi/tmp/ppsspp/GPU/GLES/GLES_GPU.cpp:32: /home/pi/tmp/ppsspp/GPU/GLES/TextureCache.h: At global scope: /home/pi/tmp/ppsspp/GPU/GLES/TextureCache.h:74:8: error: expected identifier before ‘int’ /home/pi/tmp/ppsspp/GPU/GLES/TextureCache.h:74:15: error: expected unqualified-id before ‘{’ token make[2]: *** [CMakeFiles/GPU.dir/GPU/GLES/GLES_GPU.cpp.o] Error 1 make[1]: *** [CMakeFiles/GPU.dir/all] Error 2 make: *** [all] Error 2

btw, Where should I put " #undef enum " line?

EDIT
gcc version 4.6.3 (Debian 4.6.3-14+rpi1) is one installed on my RPi
Is it too old to compile this with no errors?