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patches/gcc/4.3.1/180-superh-default-multilib.patch
author "Yann E. MORIN" <yann.morin.1998@free.fr>
Wed Dec 05 20:31:43 2012 +0100 (2012-12-05)
changeset 3134 863723936e24
parent 746 b150d6f590fc
permissions -rw-r--r--
scripts/xldd: use user's sed and grep

xldd uses sed and grep as detected by ./configure. This works well if is
used on the machine that build the toolchain.

But if the user moves the toolchain to another machine where sed and grep
are not in the same directory (eg. /bin/sed vs. /usr/bin/sed), then xldd
will stop functionning.

Fix that by using ${SED} and ${GREP} if they are set in the environment.

Reported-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.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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