merge xymeng's gsoc engine with a few updates (and further checks on symbol definitions)
set(fpcrtl_src fileio.c
misc.c
pmath.c
system.c
sysutils.c
)
include_directories(${GLEW_INCLUDE_PATH})
add_library(fpcrtl ${fpcrtl_src})
if(WEBGL)
set_target_properties(fpcrtl PROPERTIES PREFIX "em")
set_target_properties(fpcrtl PROPERTIES SUFFIX ".bc")
endif(WEBGL)