Re: [PATCH] MIPS: fix building on multiarch platform

["Maciej W. Rozycki" <macro@orcam.me.uk>]

On Wed, 21 Sep 2022, Xi Ruoyao wrote:

> > diff --git a/gcc/config/mips/mips.h b/gcc/config/mips/mips.h
> > index 74b6e11aabb..fe7f5b274b9 100644
> > --- a/gcc/config/mips/mips.h
> > +++ b/gcc/config/mips/mips.h
> > @@ -3427,6 +3427,7 @@ struct GTY(())  machine_function {
> >  
> >  /* If we are *not* using multilibs and the default ABI is not ABI_32
> > we
> >     need to change these from /lib and /usr/lib.  */
> > +#ifndef ENABLE_MULTIARCH
> >  #if MIPS_ABI_DEFAULT == ABI_N32
> >  #define STANDARD_STARTFILE_PREFIX_1 "/lib32/"
> >  #define STANDARD_STARTFILE_PREFIX_2 "/usr/lib32/"
> > @@ -3434,6 +3435,7 @@ struct GTY(())  machine_function {
> >  #define STANDARD_STARTFILE_PREFIX_1 "/lib64/"
> >  #define STANDARD_STARTFILE_PREFIX_2 "/usr/lib64/"
> >  #endif
> > +#endif
> 
> Should we just remove STANDARD_STARTFILE_PREFIX_{1,2} unconditionally? 
> I just took a look and the only Linux ports using these macros are MIPS
> and LoongArch (borrowed these macros from MIPS, I guess).  On a non-
> multilib distro /usr/lib is likely used, and on multilib distros the
> macros are not used anyway.

 See <https://gcc.gnu.org/ml/gcc-patches/2014-10/msg03377.html> for the 
rationale.  Has glibc switched since?

  Maciej