Something

mv tmp-xlimits.h xlimits.h
if [ -d include ] ; then true; else mkdir include; chmod a+rx include; fi
for file in .. /var/tmp/cross/i486-pc-linux-gnu/portage/gcc-4.1.1/work/gcc-4.1.1/gcc/ginclude/float.h /var/tmp/cross/i486-pc-linux-gnu/portage/gcc-4.1.1/work/gcc-4.1.1/gcc/ginclud
e/iso646.h /var/tmp/cross/i486-pc-linux-gnu/portage/gcc-4.1.1/work/gcc-4.1.1/gcc/ginclude/stdarg.h /var/tmp/cross/i486-pc-linux-gnu/portage/gcc-4.1.1/work/gcc-4.1.1/gcc/ginclude/s
tdbool.h /var/tmp/cross/i486-pc-linux-gnu/portage/gcc-4.1.1/work/gcc-4.1.1/gcc/ginclude/stddef.h /var/tmp/cross/i486-pc-linux-gnu/portage/gcc-4.1.1/work/gcc-4.1.1/gcc/ginclude/var
args.h /var/tmp/cross/i486-pc-linux-gnu/portage/gcc-4.1.1/work/gcc-4.1.1/gcc/config/i386/mmintrin.h /var/tmp/cross/i486-pc-linux-gnu/portage/gcc-4.1.1/work/gcc-4.1.1/gcc/config/i3
86/mm3dnow.h /var/tmp/cross/i486-pc-linux-gnu/portage/gcc-4.1.1/work/gcc-4.1.1/gcc/config/i386/xmmintrin.h /var/tmp/cross/i486-pc-linux-gnu/portage/gcc-4.1.1/work/gcc-4.1.1/gcc/co
nfig/i386/emmintrin.h /var/tmp/cross/i486-pc-linux-gnu/portage/gcc-4.1.1/work/gcc-4.1.1/gcc/config/i386/pmmintrin.h mm_malloc.h; do \
  if [ X$file != X.. ]; then \
    realfile=`echo $file | sed -e 's|.*/\([^/]*\)$|\1|'`; \
    echo timestamp > include/$realfile; \
    rm -f include/$realfile; \
    cp $file include; \
    chmod a+r include/$realfile; \
  fi; \
done
rm -f include/limits.h
cp xlimits.h include/limits.h
cp /var/tmp/cross/i486-pc-linux-gnu/portage/gcc-4.1.1/work/gcc-4.1.1/gcc/unwind-generic.h include/unwind.h
chmod a+r include/limits.h
rm -f include/README
cp /var/tmp/cross/i486-pc-linux-gnu/portage/gcc-4.1.1/work/gcc-4.1.1/gcc/../fixincludes/README-fixinc include/README
chmod a+r include/README
echo timestamp > stmp-int-hdrs
make[2]: *** Pas de règle pour fabriquer la cible « /usr/bin/i486-pc-linux-gnu-as », nécessaire pour « stamp-as ». Arrêt.
make[2]: Leaving directory `/var/tmp/cross/i486-pc-linux-gnu/portage/gcc-4.1.1/work/build/gcc'
make[1]: *** [all-gcc] Erreur 2
make[1]: Leaving directory `/var/tmp/cross/i486-pc-linux-gnu/portage/gcc-4.1.1/work/build'
make: *** [all] Erreur 2

!!! ERROR: cross-i486-pc-linux-gnu/gcc-4.1.1 failed.
Call stack:
  ebuild.sh, line 1539:   Called dyn_compile
  ebuild.sh, line 939:   Called src_compile
  ebuild.sh, line 1248:   Called toolchain_src_compile
  toolchain.eclass, line 24:   Called gcc_src_compile
  toolchain.eclass, line 1528:   Called gcc_do_make
  toolchain.eclass, line 1402:   Called die

!!! emake failed with all
!!! If you need support, post the topmost build error, and the call stack if relevant.