* Separate CFLAGS logic to standalone snippet
* Variable PREPROCESS_ONLY for running only preprocessor
* Add something like SYS_LIBS and SYS_OBJ (or DEFAULT_LIBS...). These
* Separate CFLAGS logic to standalone snippet
* Variable PREPROCESS_ONLY for running only preprocessor
* Add something like SYS_LIBS and SYS_OBJ (or DEFAULT_LIBS...). These