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From 020afd7d6410f73bc205206abe1b88b4890b83b1 Mon Sep 17 00:00:00 2001
From: Leno Hou <lenohou@gmail.com>
Date: Sun, 24 Apr 2016 00:46:53 +0800
Subject: [PATCH] [m4/libtool.m4] linker error for powerpc64le-unknown-linux-gnu
Hi all,
1) As we might know, Gentoo has powerpc64le-unknown-linux-gnu compiler
leno@localhost ~ $ powerpc64le-unknown-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/usr/powerpc64le-unknown-linux-gnu/gcc-bin/5.3.0/powerpc64le-unknown-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/powerpc64le-unknown-linux-gnu/5.3.0/lto-wrapper
Target: powerpc64le-unknown-linux-gnu
Configured with:
/var/tmp/portage/sys-devel/gcc-5.3.0/work/gcc-5.3.0/configure
--host=powerpc64le-unknown-linux-gnu --build=powerpc64le-unknown-linux-gnu
--prefix=/usr --bindir=/usr/powerpc64le-unknown-linux-gnu/gcc-bin/5.3.0
--includedir=/usr/lib/gcc/powerpc64le-unknown-linux-gnu/5.3.0/include
--datadir=/usr/share/gcc-data/powerpc64le-unknown-linux-gnu/5.3.0
--mandir=/usr/share/gcc-data/powerpc64le-unknown-linux-gnu/5.3.0/man
--infodir=/usr/share/gcc-data/powerpc64le-unknown-linux-gnu/5.3.0/info
--with-gxx-include-dir=/usr/lib/gcc/powerpc64le-unknown-linux-gnu/5.3.0/include/g++-v5
--with-python-dir=/share/gcc-data/powerpc64le-unknown-linux-gnu/5.3.0/python
--enable-languages=c,c++,fortran --enable-obsolete --enable-secureplt
--disable-werror --with-system-zlib --enable-nls --without-included-gettext
--enable-checking=release --with-bugurl=https://bugs.gentoo.org/
--with-pkgversion='Gentoo 5.3.0 p1.0, pie-0.6.5' --enable-libstdcxx-time
--enable-shared --enable-threads=posix --enable-__cxa_atexit
--enable-clocale=gnu --disable-multilib --enable-altivec
--disable-fixed-point --enable-targets=all --disable-libgcj
--enable-libgomp --disable-libmudflap --disable-libssp --disable-libcilkrts
--enable-lto --without-isl --enable-libsanitizer
Thread model: posix
gcc version 5.3.0 (Gentoo 5.3.0 p1.0, pie-0.6.5)
2) And the supported emulations
leno@localhost ~ $ powerpc64le-unknown-linux-gnu-ld -V
GNU ld (Gentoo 2.25.1 p1.1) 2.25.1
Supported emulations:
elf64lppc
elf32lppc
elf32lppclinux
elf32lppcsim
3) But when I set CHOST="powerpc64le-unkown-linux-gnu" in Gentoo and
execute aclocal, automake, libtoolize --copy --force, autoconf. When I
glance in the latest m4/libtool.m4 :
if AC_TRY_EVAL(ac_compile); then
case `/usr/bin/file conftest.o` in
*32-bit*)
case $host in
...
powerpc64le-*linux*)
LD="${LD-ld} -m elf32lppclinux"
;;
powerpc64-*linux*)
LD="${LD-ld} -m elf32ppclinux"
;;
...
*64-bit*)
case $host in
...
powerpcle-*linux*)
LD="${LD-ld} -m elf64lppc"
;;
powerpc-*linux*)
LD="${LD-ld} -m elf64ppc"
;;
...
seems linked to $LD='$LD-ld -m elf64ppc' and failed to compile packages.
4) Below is my workaround patch and works fine for this case. If this is
OK for you, Could this to be merged in upstream? Thanks
URL: https://debbugs.gnu.org/23348
URL: https://bugs.gentoo.org/581314
---
m4/libtool.m4 | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/m4/libtool.m4 b/m4/libtool.m4
index ee292aff5bca..758b6951ae07 100644
--- a/m4/libtool.m4
+++ b/m4/libtool.m4
@@ -1417,10 +1417,10 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
x86_64-*linux*)
LD="${LD-ld} -m elf_x86_64"
;;
- powerpcle-*linux*)
+ powerpcle-*linux*|powerpc64le-*linux*)
LD="${LD-ld} -m elf64lppc"
;;
- powerpc-*linux*)
+ powerpc-*linux*|powerpc64-*linux*)
LD="${LD-ld} -m elf64ppc"
;;
s390*-*linux*|s390*-*tpf*)
--
2.11.1
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