On Mon, Feb 11, 2002 at 02:53:02PM +0100, Florian Lohoff wrote:
> On Mon, Feb 11, 2002 at 01:51:47PM +0100, Maciej W. Rozycki wrote:
> > On Sat, 9 Feb 2002, Florian Lohoff wrote:
> >
> > > i just stumbled when i tried to compile a program (bootloader) with
> > > gcc which uses varargs. I got the error that "sgidefs.h" was missing.
> > > sgidefs.h is contained in the glibc which gets included by va-mips.h
> > > from stdarg.h - I dont think this is correct as i should be able
> > > to compile programs without glibc.
The glibc-2.2.5/FAQ says:
1.20. Which tools should I use for MIPS?
{AJ} You should use the current development version of gcc 3.0 or newer from
CVS. gcc 2.95.x does not work correctly on mips-linux.
I'm not shure if this only applies to glibc, but the
gcc-2.95.x I tried to build could not even compile a kernel
because of:
#ifndef __linux__
#error Use a Linux compiler or give up.
#endif
in linux/include/asm-mips/sgidefs.h. The gcc-3.0.3 I now use
has a totally different set of predefines than gcc-2.95.x, and
it seems to work.
> > Hmm, in 2.95.3 in va-mips.h I see:
> >
> > /* Get definitions for _MIPS_SIM_ABI64 etc. */
> > #ifdef _MIPS_SIM
> > #include <sgidefs.h>
> > #endif
> >
> > so you shouldn't need sgidefs.h normally. Or did something get broken for
> > 3.x?
sgidefs.h comes from the kernel includes.
gcc-3.x does not use va-mips.h or sgidefs,h, but simply
has the following in stdarg.h:
#define va_start(v,l) __builtin_stdarg_start((v),l)
#define va_end __builtin_va_end
#define va_arg __builtin_va_arg
etc.
Regards,
Johannes
