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Re: How to just print the output for -H without output anything else?


On Fri, Jan 4, 2019 at 12:42 AM Xi Ruoyao <xry111@mengyan1223.wang> wrote:
>
> On 2019-01-03 21:18 -0600, Peng Yu wrote:
> > > A "-c" option would work.
> >
> > This still generates the .o file. Is there an option that disable all
> > the side effect but just print the header info as -H?
>
> Maybe "-E -o /dev/null"?  Use "-E" instead of "-c" so the compiler and
> assembler will not run, and "-o /dev/null" to throw the result
> (preprocessed code).

Thanks. This works.

Is there a way to further strip off systems headers as in -MM? Thanks.

-- 
Regards,
Peng


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