unset PLATFORM
unset PLATFORM_FLAGS
unset MIN_DEPLOY_TARGET
unset OTHER_COMPILER_FLAGS
unset IOS_SDK
unset BOOST_DIR
unset BOOST_STAGE
unset OPENSSL_DIR
unset SNAPPY_DIR
unset LZ4_DIR
unset JAVA_DIR
unset GPP_CMD
unset GCC_CMD
unset STRIP_CMD
unset LD_LIBRARY_PATH
unset APPLE_FAMILY
unset LIB_OPT_LEVEL
unset LIB_FPIC
unset DEBUG_BUILD
unset LINK_MODE
unset CXX_COMPILER_FLAGS