[ping] Re: [patch] amd64, ppc64 - find 32bit system libraries

Matthias Klose doko@cs.tu-berlin.de
Tue Sep 25 11:27:00 GMT 2007


ping on this patch, CCing i386 and powerpc maintainers

  Matthias

Matthias Klose writes:
> Matthias Klose writes:
> > Joseph S. Myers writes:
> > > On Sat, 8 Sep 2007, Matthias Klose wrote:
> > > 
> > > > -MULTILIB_OSDIRNAMES = ../lib64 ../lib
> > > > +MULTILIB_OSDIRNAMES = ../lib64 $(if $(wildcard $(TARGET_SYSTEM_ROOT)/usr/lib32),../lib32,../lib)
> > > 
> > > TARGET_SYSTEM_ROOT is the configured location that will be used after 
> > > install.  You need to allow for --with-build-sysroot to get the location 
> > > used at build time.
> > 
> > now based the test in terms of SYSTEM_HEADER_DIR.
> 
> tested the following patch with
> 
>  - a native x86_64-linux build with lib64/lib32 os dirs
>  - a cross x86_64 (with lib32) -> i486 build
>  - a cross i486 -> x86_64 (with lib32) build
> 
> ok for the trunk?
> 
> 2007-09-08  Matthias Klose  <doko@debian.org>
> 
> 	* config/i386/t-linux64 (MULTILIB_OSDIRNAMES): Use ../lib32 as the
> 	multilib osdirname if it exists.
> 	* config/rs6000/t-linux64 (MULTILIB_OSDIRNAMES): Likewise.
> 
> Index: gcc/config/i386/t-linux64
> ===================================================================
> --- gcc/config/i386/t-linux64	(revision 128511)
> +++ gcc/config/i386/t-linux64	(working copy)
> @@ -6,7 +6,7 @@
>  
>  MULTILIB_OPTIONS = m64/m32
>  MULTILIB_DIRNAMES = 64 32 
> -MULTILIB_OSDIRNAMES = ../lib64 ../lib
> +MULTILIB_OSDIRNAMES = ../lib64 $(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib)
>  
>  LIBGCC = stmp-multilib
>  INSTALL_LIBGCC = install-multilib
> Index: gcc/config/rs6000/t-linux64
> ===================================================================
> --- gcc/config/rs6000/t-linux64	(revision 128511)
> +++ gcc/config/rs6000/t-linux64	(working copy)
> @@ -12,7 +12,7 @@
>  MULTILIB_EXTRA_OPTS     = fPIC mstrict-align
>  MULTILIB_EXCEPTIONS     = m64/msoft-float
>  MULTILIB_EXCLUSIONS     = m64/!m32/msoft-float
> -MULTILIB_OSDIRNAMES	= ../lib64 ../lib nof
> +MULTILIB_OSDIRNAMES	= ../lib64 $(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib) nof
>  MULTILIB_MATCHES        = $(MULTILIB_MATCHES_FLOAT)
>  
>  softfp_wrap_start := '\#ifndef __powerpc64__'



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