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Re: preprocessor/7947: cpp0 -std=gnu99 rejects # comments
On Tue, Sep 17, 2002 at 08:22:38PM +0100, Neil Booth wrote:
> Marcus Brinkmann wrote:-
>
> > That is my fault for not being precise enough in my bug report, sorry.
> >
> > The problem is that gcc calls the preprocessor with this ordering when
> > compiling an assembler file (foo.S) with the -std=gnu99 option.
> >
> > Try "echo \# foo > foo.S" and "gcc -std=gnu99 -o foo foo.S", this triggers
> > the bug. -v shows that gcc passes -std=gnu99 to cpp when preprocessing the
> > file.
>
> Right, but everything you state is intentional. -lang-asm deliberately
> comes first, otherwise it would clobber various other flags the user
> may have passed, such as -fdollars-in-identifiers, -trigraphs etc.
>
> The problem you have is that -std=gnu99 applies to the C language, and
> not to assembler.
>
> What is the reason you need to pass the switch? If it's to avoid a
> spurious warning, we may be able to disable the warning if -lang-asm.
> If it's to achieve some additional functionality, we may be able to
> retain that functionality if -lang-asm.
Ayup, I just see my mistake. We are setting -std=gnu99 in CPPFLAGS, not CFLAGS.
D'oh! I will put the blame elsewhere then :)
Thanks a lot for your patience,
Marcus
--
`Rhubarb is no Egyptian god.' GNU http://www.gnu.org marcus@gnu.org
Marcus Brinkmann The Hurd http://www.gnu.org/software/hurd/
Marcus.Brinkmann@ruhr-uni-bochum.de
http://www.marcus-brinkmann.de/