Compiling ==> 'trace_bih.c'
source/blender/render/intern/source/trace_bih.c: In function subdivide:
source/blender/render/intern/source/trace_bih.c:310: warning: implicit declaration of function fpclassify
source/blender/render/intern/source/trace_bih.c:310: error: FP_NAN undeclared (first use in this function)
source/blender/render/intern/source/trace_bih.c:310: error: (Each undeclared identifier is reported only once
source/blender/render/intern/source/trace_bih.c:310: error: for each function it appears in.)
source/blender/render/intern/source/trace_bih.c: In function RE_ray_btree_intersect:
source/blender/render/intern/source/trace_bih.c:399: warning: ISO C90 forbids mixed declarations and code
source/blender/render/intern/source/trace_bih.c:430: warning: ISO C90 forbids mixed declarations and code
scons: *** [/home/blender/build_dirSkinning/source/blender/render/intern/source/trace_bih.o] Error 1
scons: building terminated because of errors.