COLLECT_GCC_OPTIONS help

[Chung-Ju Wu]

2013/5/13 Charles Smith <cts.private@yahoo.com>:
> Thank you for your response.
>
> I'll look into gcc/gcc.c, as you recommend - but does this break cpp?  For example, the -nostdinc and -U options?
>

To my understanding, cc1 has an integrated ISO C preprocessor.
Current cpp implementation is also a driver which invokes cc1
and then pass '-E' to do preprocessing.

If you want to cancel any previous definition of built-in macros
or provided -Dxxx, .the -U option should still work.


Best regards,
jasonwucj