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Re: [PATCH] Add -nostdinc to TARGET_CFLAGS
From: |
Felix Zielcke |
Subject: |
Re: [PATCH] Add -nostdinc to TARGET_CFLAGS |
Date: |
Wed, 04 Nov 2009 11:48:14 +0100 |
Am Donnerstag, den 29.10.2009, 11:36 +0100 schrieb Robert Millan:
> On Thu, Oct 29, 2009 at 11:14:33AM +0100, Robert Millan wrote:
> >
> > It appears that -nostdinc also excludes GCC internal header directory (for
> > e.g. stdarg.h), which I didn't expect.
> >
> > Does someone know a clean way to resolve this? A quick check at GCC
> > command-line options didn't reveal a way to explicitly include that
> > directory afterwards without knowing its path.
> >
> > I.e. something similar to `gcc -print-file-name=libgcc.a`
>
> Maybe with -isysroot=`pwd`/dummy instead of -nostdinc.
>
> It's an ugly kludge, but the alternatives look even worse.
>
> Does someone have a better idea?
>
Thanks to the hint from rubisher I looked now at Linux Makefiles.
They use this:
NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
# ls $(gcc-4.4 -print-file-name=include)/stdarg.h
/usr/lib/gcc/x86_64-linux-gnu/4.4.2/include/stdarg.h
--
Felix Zielcke
Proud Debian Maintainer and GNU GRUB developer
- Re: [PATCH] Add -nostdinc to TARGET_CFLAGS,
Felix Zielcke <=
- Re: [PATCH] Add -nostdinc to TARGET_CFLAGS, Felix Zielcke, 2009/11/14
- Re: [PATCH] Add -nostdinc to TARGET_CFLAGS, Robert Millan, 2009/11/15
- Re: [PATCH] Add -nostdinc to TARGET_CFLAGS, Felix Zielcke, 2009/11/15
- Re: [PATCH] Add -nostdinc to TARGET_CFLAGS, Robert Millan, 2009/11/15
- Re: [PATCH] Add -nostdinc to TARGET_CFLAGS, Felix Zielcke, 2009/11/15
- Re: [PATCH] Add -nostdinc to TARGET_CFLAGS, Robert Millan, 2009/11/15
- Re: [PATCH] Add -nostdinc to TARGET_CFLAGS, Felix Zielcke, 2009/11/15