add_definitions (-D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS)
add_definitions (-D_SCL_SECURE_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS)
add_definitions (-W4)
+ add_definitions (-wd4063) # not a valid value for switch of enum
add_definitions (-wd4127) # conditional expression is constant
add_definitions (-wd4244) # conversion from 'type1' to 'type2', possible loss of data
add_definitions (-wd4505) # unreferenced local function has been removed