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patches/gcc/4.3.2/180-superh-default-multilib.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Fri Apr 15 00:22:42 2011 +0200 (2011-04-15)
changeset 2544 751c3f735ada
parent 747 d3e603e7c17c
permissions -rw-r--r--
scripts/internals: do not remove lib{32,64}/ symlinks after build

During the build, we create lib{32,64}/ symlinks out of the sysroot.
In some cases (eg. mingw32 target), these symlinks are still required
when running the toolchain. For other combinations, the symlinks are
without incidence, so they can be safely kept after the build.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> 
     1 Original patch from gentoo: gentoo/src/patchsets/gcc/4.3.1/gentoo/53_all_gcc4-superh-default-multilib.patch

     2 The gcc-3.x toolchains would contain all the targets by default.  With gcc-4,

     3 you have to actually list out the multilibs you want or you will end up with

     4 just one when using targets like 'sh4-linux-gnu'.

     5 

     6 The resulting toolchain can't even build a kernel as the kernel needs to build

     7 with the nofpu flag to be sure that no fpu ops are generated.

     8 

     9 Here we restore the gcc-3.x behavior; the additional overhead of building all

    10 of these multilibs by default is negligible.

    11 

    12 http://bugs.gentoo.org/140205

    13 

    14 diff -durN gcc-4.3.1.orig/gcc/config.gcc gcc-4.3.1/gcc/config.gcc

    15 --- gcc-4.3.1.orig/gcc/config.gcc	2008-05-21 10:54:15.000000000 +0200

    16 +++ gcc-4.3.1/gcc/config.gcc	2008-06-10 14:58:06.000000000 +0200

    17 @@ -2278,7 +2278,7 @@

    18  	if test x${sh_multilibs} = x ; then

    19  		case ${target} in

    20  		sh64-superh-linux* | \

    21 -		sh[1234]*)	sh_multilibs=${sh_cpu_target} ;;

    22 +		sh[1234]*)	sh_multilibs=`cd ${srcdir}/config/sh ; echo t-mlib-sh[1-4]* | sed 's:t-mlib-sh:,m:g;s: ::g'` ;;

    23  		sh64* | sh5*)	sh_multilibs=m5-32media,m5-32media-nofpu,m5-compact,m5-compact-nofpu,m5-64media,m5-64media-nofpu ;;

    24  		sh-superh-*)	sh_multilibs=m4,m4-single,m4-single-only,m4-nofpu ;;

    25  		sh*-*-linux*)	sh_multilibs=m1,m3e,m4 ;;
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