rename platform-specific preprocessor symbols to 'builtin' ones
fix typo in method name
add OSX frameworks
add platform-specific config functions for scons file
remove unnecessary redefined macros from math.h on Darwin
use clang++ by default on OSX
fix typo in EXT_MONITOR_H header guard
remove unnecessary println
WIP: it's not seeing the frameworks properly
change CCFLAGS -> CXXFLAGS
Add build/xtmdeps.py script/module
Use platform.system() instead of env['PLATFORM']