GNU logs - #23348, boring messages

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Subject: bug#23348: [m4/libtool.m4] linker error for powerpc64le-unknown-linux-gnu
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--001a114b0d56ffa25b053129b102
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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

leno@localhost ~/libtool $ cat configure-libtool-with-ppc64le.patch

--- m4/libtool.m4.orig 2016-04-23 16:35:57.383197077 +0000

+++ m4/libtool.m4 2016-04-23 16:36:40.623197724 +0000

@@ -1417,10 +1417,10 @@

    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*)

*Leno Hou*
E-mail :  lenohou@HIDDEN

--001a114b0d56ffa25b053129b102
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div>Hi all,</div><div><br></div><div>=C2=A01) As we might=
 know, Gentoo has powerpc64le-unknown-linux-gnu compiler</div><div><p style=
=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco;color:r=
gb(245,245,245);background-color:rgb(0,0,0)"><span style=3D"color:rgb(52,18=
9,38)">leno@localhost</span><span style=3D"color:rgb(83,48,225)"> ~ $</span=
> powerpc64le-unknown-linux-gnu-gcc -v</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">Using built-in specs.<=
/p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">COLLECT_GCC=3D/usr/pow=
erpc64le-unknown-linux-gnu/gcc-bin/5.3.0/powerpc64le-unknown-linux-gnu-gcc<=
/p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">COLLECT_LTO_WRAPPER=3D=
/usr/libexec/gcc/powerpc64le-unknown-linux-gnu/5.3.0/lto-wrapper</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">Target: powerpc64le-un=
known-linux-gnu</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">Configured with: /var/=
tmp/portage/sys-devel/gcc-5.3.0/work/gcc-5.3.0/configure --host=3Dpowerpc64=
le-unknown-linux-gnu --build=3Dpowerpc64le-unknown-linux-gnu --prefix=3D/us=
r --bindir=3D/usr/powerpc64le-unknown-linux-gnu/gcc-bin/5.3.0 --includedir=
=3D/usr/lib/gcc/powerpc64le-unknown-linux-gnu/5.3.0/include --datadir=3D/us=
r/share/gcc-data/powerpc64le-unknown-linux-gnu/5.3.0 --mandir=3D/usr/share/=
gcc-data/powerpc64le-unknown-linux-gnu/5.3.0/man --infodir=3D/usr/share/gcc=
-data/powerpc64le-unknown-linux-gnu/5.3.0/info --with-gxx-include-dir=3D/us=
r/lib/gcc/powerpc64le-unknown-linux-gnu/5.3.0/include/g++-v5 --with-python-=
dir=3D/share/gcc-data/powerpc64le-unknown-linux-gnu/5.3.0/python --enable-l=
anguages=3Dc,c++,fortran --enable-obsolete --enable-secureplt --disable-wer=
ror --with-system-zlib --enable-nls --without-included-gettext --enable-che=
cking=3Drelease --with-bugurl=3D<a href=3D"https://bugs.gentoo.org/">https:=
//bugs.gentoo.org/</a> --with-pkgversion=3D&#39;Gentoo 5.3.0 p1.0, pie-0.6.=
5&#39; --enable-libstdcxx-time --enable-shared --enable-threads=3Dposix --e=
nable-__cxa_atexit --enable-clocale=3Dgnu --disable-multilib --enable-altiv=
ec --disable-fixed-point --enable-targets=3Dall --disable-libgcj --enable-l=
ibgomp --disable-libmudflap --disable-libssp --disable-libcilkrts --enable-=
lto --without-isl --enable-libsanitizer</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">Thread model: posix</p=
>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">gcc version 5.3.0 (Gen=
too 5.3.0 p1.0, pie-0.6.5)=C2=A0</p></div><div>=C2=A0 =C2=A0=C2=A0</div><di=
v>=C2=A0 2) And the supported emulations</div><p style=3D"margin:0px;font-s=
ize:10px;line-height:normal;font-family:Monaco;color:rgb(245,245,245);backg=
round-color:rgb(0,0,0)"><span style=3D"color:rgb(52,189,38)">leno@localhost=
</span><span style=3D"color:rgb(83,48,225)"> ~ $</span> powerpc64le-unknown=
-linux-gnu-ld -V</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">GNU ld (Gentoo 2.25.1 =
p1.1) 2.25.1</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">=C2=A0 Supported emula=
tions:</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">=C2=A0=C2=A0 elf64lppc=
</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">=C2=A0=C2=A0 elf32lppc=
</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">=C2=A0=C2=A0 elf32lppc=
linux</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">=C2=A0=C2=A0 elf32lppc=
sim</p><div>=C2=A0</div><div>=C2=A0 =C2=A03) But when I set CHOST=3D&quot;p=
owerpc64le-unkown-linux-gnu&quot; in Gentoo and execute aclocal, automake, =
libtoolize --copy --force, autoconf. When I glance in the latest m4/libtool=
.m4 :</div><div><br></div><div><span style=3D"color:rgb(0,0,0);font-family:=
Helvetica;font-size:12px">if AC_TRY_EVAL(ac_compile); then</span><br style=
=3D"color:rgb(0,0,0);font-family:Helvetica;font-size:12px"><span style=3D"c=
olor:rgb(0,0,0);font-family:Helvetica;font-size:12px">=C2=A0=C2=A0=C2=A0cas=
e `/usr/bin/file conftest.o` in</span><br style=3D"color:rgb(0,0,0);font-fa=
mily:Helvetica;font-size:12px"><span style=3D"color:rgb(0,0,0);font-family:=
Helvetica;font-size:12px">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0*32-bit*)</span><br=
 style=3D"color:rgb(0,0,0);font-family:Helvetica;font-size:12px"><span styl=
e=3D"color:rgb(0,0,0);font-family:Helvetica;font-size:12px">=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0case $host in</span><br style=3D"color:rgb(0,0,0=
);font-family:Helvetica;font-size:12px"><span style=3D"color:rgb(0,0,0);fon=
t-family:Helvetica;font-size:12px">...</span><br style=3D"color:rgb(0,0,0);=
font-family:Helvetica;font-size:12px"><span style=3D"color:rgb(0,0,0);font-=
family:Helvetica;font-size:12px">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0powerpc64le-*linux*)</span><br style=3D"color:rgb(0,0,0);font-f=
amily:Helvetica;font-size:12px"><span style=3D"color:rgb(0,0,0);font-family=
:Helvetica;font-size:12px">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0LD=3D&quot;${LD-ld} -m elf32lppclinux&quot;</span><br sty=
le=3D"color:rgb(0,0,0);font-family:Helvetica;font-size:12px"><span style=3D=
"color:rgb(0,0,0);font-family:Helvetica;font-size:12px">=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0;;</span><br style=3D"color=
:rgb(0,0,0);font-family:Helvetica;font-size:12px"><span style=3D"color:rgb(=
0,0,0);font-family:Helvetica;font-size:12px">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0powerpc64-*linux*)</span><br style=3D"color:rgb(0,0=
,0);font-family:Helvetica;font-size:12px"><span style=3D"color:rgb(0,0,0);f=
ont-family:Helvetica;font-size:12px">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0LD=3D&quot;${LD-ld} -m elf32ppclinux&quot;</s=
pan><br style=3D"color:rgb(0,0,0);font-family:Helvetica;font-size:12px"><sp=
an style=3D"color:rgb(0,0,0);font-family:Helvetica;font-size:12px">=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0;;</span><br st=
yle=3D"color:rgb(0,0,0);font-family:Helvetica;font-size:12px"><span style=
=3D"color:rgb(0,0,0);font-family:Helvetica;font-size:12px">...</span><br st=
yle=3D"color:rgb(0,0,0);font-family:Helvetica;font-size:12px"><span style=
=3D"color:rgb(0,0,0);font-family:Helvetica;font-size:12px">=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0*64-bit*)</span><br style=3D"color:rgb(0,0,0);font-family:He=
lvetica;font-size:12px"><span style=3D"color:rgb(0,0,0);font-family:Helveti=
ca;font-size:12px">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0case $host in<=
/span><br style=3D"color:rgb(0,0,0);font-family:Helvetica;font-size:12px"><=
span style=3D"color:rgb(0,0,0);font-family:Helvetica;font-size:12px">...</s=
pan><br style=3D"color:rgb(0,0,0);font-family:Helvetica;font-size:12px"><sp=
an style=3D"color:rgb(0,0,0);font-family:Helvetica;font-size:12px">=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0powerpcle-*linux*)</span><b=
r style=3D"color:rgb(0,0,0);font-family:Helvetica;font-size:12px"><span sty=
le=3D"color:rgb(0,0,0);font-family:Helvetica;font-size:12px">=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0LD=3D&quot;${LD-ld} -=
m elf64lppc&quot;</span><br style=3D"color:rgb(0,0,0);font-family:Helvetica=
;font-size:12px"><span style=3D"color:rgb(0,0,0);font-family:Helvetica;font=
-size:12px">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0;;</span><br style=3D"color:rgb(0,0,0);font-family:Helvetica;font-size:1=
2px"><span style=3D"color:rgb(0,0,0);font-family:Helvetica;font-size:12px">=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0powerpc-*linux*)</spa=
n><br style=3D"color:rgb(0,0,0);font-family:Helvetica;font-size:12px"><span=
 style=3D"color:rgb(0,0,0);font-family:Helvetica;font-size:12px">=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0LD=3D&quot;${LD-ld=
} -m elf64ppc&quot;</span><br style=3D"color:rgb(0,0,0);font-family:Helveti=
ca;font-size:12px"><span style=3D"color:rgb(0,0,0);font-family:Helvetica;fo=
nt-size:12px">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0;;</span><br style=3D"color:rgb(0,0,0);font-family:Helvetica;font-siz=
e:12px"><span style=3D"color:rgb(0,0,0);font-family:Helvetica;font-size:12p=
x">...</span><br></div><div><br></div><div>seems linked to $LD=3D&#39;$LD-l=
d -m elf64ppc&#39; and failed to compile packages.=C2=A0<br></div><div><br>=
</div><div><br></div><div>=C2=A04) =C2=A0Below is my workaround patch and w=
orks fine for this case.=C2=A0 If this is OK for you, Could this to be merg=
ed in upstream? Thanks</div><div><p style=3D"margin:0px;font-size:10px;line=
-height:normal;font-family:Monaco;color:rgb(245,245,245);background-color:r=
gb(0,0,0)"><span style=3D"color:rgb(52,189,38)">leno@localhost</span><span =
style=3D"color:rgb(83,48,225)"> ~/libtool $</span> cat configure-libtool-wi=
th-ppc64le.patch=C2=A0</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">--- m4/libtool.m4.orig=
<span class=3D"" style=3D"white-space:pre">	</span>2016-04-23 16:35:57.3831=
97077 +0000</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">+++ m4/libtool.m4<span=
 class=3D"" style=3D"white-space:pre">	</span>2016-04-23 16:36:40.623197724=
 +0000</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">@@ -1417,10 +1417,10 @=
@</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">=C2=A0<span class=3D""=
 style=3D"white-space:pre">	</span>=C2=A0 x86_64-*linux*)</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">=C2=A0<span class=3D""=
 style=3D"white-space:pre">	</span>=C2=A0 =C2=A0 LD=3D&quot;${LD-ld} -m elf=
_x86_64&quot;</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">=C2=A0<span class=3D""=
 style=3D"white-space:pre">	</span>=C2=A0 =C2=A0 ;;</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">-<span class=3D"" styl=
e=3D"white-space:pre">	</span>=C2=A0 powerpcle-*linux*)</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">+<span class=3D"" styl=
e=3D"white-space:pre">	</span>=C2=A0 powerpcle-*linux*|powerpc64le-*linux*)=
</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">=C2=A0<span class=3D""=
 style=3D"white-space:pre">	</span>=C2=A0 =C2=A0 LD=3D&quot;${LD-ld} -m elf=
64lppc&quot;</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">=C2=A0<span class=3D""=
 style=3D"white-space:pre">	</span>=C2=A0 =C2=A0 ;;</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">-<span class=3D"" styl=
e=3D"white-space:pre">	</span>=C2=A0 powerpc-*linux*)</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">+<span class=3D"" styl=
e=3D"white-space:pre">	</span>=C2=A0 powerpc-*linux*|powerpc64-*linux*)</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">=C2=A0<span class=3D""=
 style=3D"white-space:pre">	</span>=C2=A0 =C2=A0 LD=3D&quot;${LD-ld} -m elf=
64ppc&quot;</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">=C2=A0<span class=3D""=
 style=3D"white-space:pre">	</span>=C2=A0 =C2=A0 ;;</p>
<p style=3D"margin:0px;font-size:10px;line-height:normal;font-family:Monaco=
;color:rgb(245,245,245);background-color:rgb(0,0,0)">=C2=A0<span class=3D""=
 style=3D"white-space:pre">	</span>=C2=A0 s390*-*linux*|s390*-*tpf*)</p></d=
iv><br clear=3D"all"><div><div class=3D"gmail_signature"><div dir=3D"ltr"><=
div><div dir=3D"ltr"><font size=3D"4"><b>Leno Hou</b></font><div><font size=
=3D"2">E-mail : =C2=A0<a href=3D"mailto:lenohou@HIDDEN" target=3D"_blank=
">lenohou@HIDDEN</a></font></div><div><br></div></div></div></div></div>=
</div>
</div>

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On 24 Apr 2016 00:46, Leno Hou wrote:
> Hi all,
>=20
>  1) As we might know, Gentoo has powerpc64le-unknown-linux-gnu compiler
>=20
> leno@localhost ~ $ powerpc64le-unknown-linux-gnu-gcc -v
>=20
> Using built-in specs.
>=20
> COLLECT_GCC=3D/usr/powerpc64le-unknown-linux-gnu/gcc-bin/5.3.0/powerpc64l=
e-unknown-linux-gnu-gcc
>=20
> COLLECT_LTO_WRAPPER=3D/usr/libexec/gcc/powerpc64le-unknown-linux-gnu/5.3.=
0/lto-wrapper
>=20
> Target: powerpc64le-unknown-linux-gnu
>=20
> Configured with:
> /var/tmp/portage/sys-devel/gcc-5.3.0/work/gcc-5.3.0/configure
> --host=3Dpowerpc64le-unknown-linux-gnu --build=3Dpowerpc64le-unknown-linu=
x-gnu
> --prefix=3D/usr --bindir=3D/usr/powerpc64le-unknown-linux-gnu/gcc-bin/5.3=
=2E0
> --includedir=3D/usr/lib/gcc/powerpc64le-unknown-linux-gnu/5.3.0/include
> --datadir=3D/usr/share/gcc-data/powerpc64le-unknown-linux-gnu/5.3.0
> --mandir=3D/usr/share/gcc-data/powerpc64le-unknown-linux-gnu/5.3.0/man
> --infodir=3D/usr/share/gcc-data/powerpc64le-unknown-linux-gnu/5.3.0/info
> --with-gxx-include-dir=3D/usr/lib/gcc/powerpc64le-unknown-linux-gnu/5.3.0=
/include/g++-v5
> --with-python-dir=3D/share/gcc-data/powerpc64le-unknown-linux-gnu/5.3.0/p=
ython
> --enable-languages=3Dc,c++,fortran --enable-obsolete --enable-secureplt
> --disable-werror --with-system-zlib --enable-nls --without-included-gette=
xt
> --enable-checking=3Drelease --with-bugurl=3Dhttps://bugs.gentoo.org/
> --with-pkgversion=3D'Gentoo 5.3.0 p1.0, pie-0.6.5' --enable-libstdcxx-time
> --enable-shared --enable-threads=3Dposix --enable-__cxa_atexit
> --enable-clocale=3Dgnu --disable-multilib --enable-altivec
> --disable-fixed-point --enable-targets=3Dall --disable-libgcj
> --enable-libgomp --disable-libmudflap --disable-libssp --disable-libcilkr=
ts
> --enable-lto --without-isl --enable-libsanitizer
>=20
> Thread model: posix
>=20
> gcc version 5.3.0 (Gentoo 5.3.0 p1.0, pie-0.6.5)
>=20
>   2) And the supported emulations
>=20
> leno@localhost ~ $ powerpc64le-unknown-linux-gnu-ld -V
>=20
> GNU ld (Gentoo 2.25.1 p1.1) 2.25.1
>=20
>   Supported emulations:
>=20
>    elf64lppc
>=20
>    elf32lppc
>=20
>    elf32lppclinux
>=20
>    elf32lppcsim
>=20
>    3) But when I set CHOST=3D"powerpc64le-unkown-linux-gnu" in Gentoo and
> execute aclocal, automake, libtoolize --copy --force, autoconf. When I
> glance in the latest m4/libtool.m4 :
>=20
> if AC_TRY_EVAL(ac_compile); then
>    case `/usr/bin/file conftest.o` in
>      *32-bit*)
>        case $host in
> ...
>          powerpc64le-*linux*)
>            LD=3D"${LD-ld} -m elf32lppclinux"
>            ;;
>          powerpc64-*linux*)
>            LD=3D"${LD-ld} -m elf32ppclinux"
>            ;;
> ...
>      *64-bit*)
>        case $host in
> ...
>          powerpcle-*linux*)
>            LD=3D"${LD-ld} -m elf64lppc"
>            ;;
>          powerpc-*linux*)
>            LD=3D"${LD-ld} -m elf64ppc"
>            ;;
> ...
>=20
> seems linked to $LD=3D'$LD-ld -m elf64ppc' and failed to compile packages.
>=20
>=20
>  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

your patch looks correct to me.  i'm attaching a version that can be
applied to git since your original looks mangled.
-mike

--8jSIhyJ+sG+KDNo4
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=46rom 791a00d6766463c42f9a73185ab6797da6fe4983 Mon Sep 17 00:00:00 2001
=46rom: Leno Hou <lenohou@HIDDEN>
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=3D/usr/powerpc64le-unknown-linux-gnu/gcc-bin/5.3.0/powerpc64le-=
unknown-linux-gnu-gcc

COLLECT_LTO_WRAPPER=3D/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=3Dpowerpc64le-unknown-linux-gnu --build=3Dpowerpc64le-unknown-linux-=
gnu
--prefix=3D/usr --bindir=3D/usr/powerpc64le-unknown-linux-gnu/gcc-bin/5.3.0
--includedir=3D/usr/lib/gcc/powerpc64le-unknown-linux-gnu/5.3.0/include
--datadir=3D/usr/share/gcc-data/powerpc64le-unknown-linux-gnu/5.3.0
--mandir=3D/usr/share/gcc-data/powerpc64le-unknown-linux-gnu/5.3.0/man
--infodir=3D/usr/share/gcc-data/powerpc64le-unknown-linux-gnu/5.3.0/info
--with-gxx-include-dir=3D/usr/lib/gcc/powerpc64le-unknown-linux-gnu/5.3.0/i=
nclude/g++-v5
--with-python-dir=3D/share/gcc-data/powerpc64le-unknown-linux-gnu/5.3.0/pyt=
hon
--enable-languages=3Dc,c++,fortran --enable-obsolete --enable-secureplt
--disable-werror --with-system-zlib --enable-nls --without-included-gettext
--enable-checking=3Drelease --with-bugurl=3Dhttps://bugs.gentoo.org/
--with-pkgversion=3D'Gentoo 5.3.0 p1.0, pie-0.6.5' --enable-libstdcxx-time
--enable-shared --enable-threads=3Dposix --enable-__cxa_atexit
--enable-clocale=3Dgnu --disable-multilib --enable-altivec
--disable-fixed-point --enable-targets=3Dall --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=3D"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 $host in
=2E..
         powerpc64le-*linux*)
           LD=3D"${LD-ld} -m elf32lppclinux"
           ;;
         powerpc64-*linux*)
           LD=3D"${LD-ld} -m elf32ppclinux"
           ;;
=2E..
     *64-bit*)
       case $host in
=2E..
         powerpcle-*linux*)
           LD=3D"${LD-ld} -m elf64lppc"
           ;;
         powerpc-*linux*)
           LD=3D"${LD-ld} -m elf64ppc"
           ;;
=2E..

seems linked to $LD=3D'$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=3D"${LD-ld} -m elf_x86_64"
 	    ;;
-	  powerpcle-*linux*)
+	  powerpcle-*linux*|powerpc64le-*linux*)
 	    LD=3D"${LD-ld} -m elf64lppc"
 	    ;;
-	  powerpc-*linux*)
+	  powerpc-*linux*|powerpc64-*linux*)
 	    LD=3D"${LD-ld} -m elf64ppc"
 	    ;;
 	  s390*-*linux*|s390*-*tpf*)
--=20
2.11.1


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On 24 Apr 2016 00:46, Leno Hou wrote:
>    3) But when I set CHOST=3D"powerpc64le-unkown-linux-gnu" in Gentoo and
> execute aclocal, automake, libtoolize --copy --force, autoconf. When I
> glance in the latest m4/libtool.m4 :

i took another look at this patch.  it isn't making sense to me, and your
commit message doesn't have an explanation as to why you need it.  the only
thing you've written is "i looked at the file, and it looks incorrect".

do you have a build failure/log somewhere to share ?

> if AC_TRY_EVAL(ac_compile); then
>    case `/usr/bin/file conftest.o` in
>      *32-bit*)
>        case $host in
> ...
>          powerpc64le-*linux*)
>            LD=3D"${LD-ld} -m elf32lppclinux"
>            ;;
>          powerpc64-*linux*)
>            LD=3D"${LD-ld} -m elf32ppclinux"
>            ;;
> ...
>      *64-bit*)
>        case $host in
> ...
>          powerpcle-*linux*)
>            LD=3D"${LD-ld} -m elf64lppc"
>            ;;
>          powerpc-*linux*)
>            LD=3D"${LD-ld} -m elf64ppc"
>            ;;
> ...
>=20
> seems linked to $LD=3D'$LD-ld -m elf64ppc' and failed to compile packages.

this code is really for multilib situations.  it's only needed when you want
to compile for a diff ABI than the toolchain is defaulting to.

so if --host=3Dpowerpc64le-linux-gnu, it should produce 64-bit binaries, and
libtool doesn't have to do anything.  that's why powerpc64 isn't listed in
the 64-bit section.

adding it here would only matter if your powerpc64le-linux-gnu is producing
32-bit binaries by default, and that doesn't make sense.  and as you can
see from the arch list in this section, no other target does this.
-mike

--TrNV3K1t901AEnPo
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Mike Frysinger <vapier@HIDDEN> writes:

> [[PGP Signed Part:Undecided]]
> On 24 Apr 2016 00:46, Leno Hou wrote:
>>    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 :
>
> i took another look at this patch.  it isn't making sense to me, and your
> commit message doesn't have an explanation as to why you need it.  the only
> thing you've written is "i looked at the file, and it looks incorrect".

you liked it before! https://bugs.gentoo.org/581314 ;)

>
> do you have a build failure/log somewhere to share ?
>
>> 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.
>
> this code is really for multilib situations.  it's only needed when you want
> to compile for a diff ABI than the toolchain is defaulting to.
>
> so if --host=powerpc64le-linux-gnu, it should produce 64-bit binaries, and
> libtool doesn't have to do anything.  that's why powerpc64 isn't listed in
> the 64-bit section.
>
> adding it here would only matter if your powerpc64le-linux-gnu is producing
> 32-bit binaries by default, and that doesn't make sense.  and as you can
> see from the arch list in this section, no other target does this.
> -mike
>
> [[End of PGP Signed Part]]

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Mike Frysinger <vapier@HIDDEN> writes:

> [[PGP Signed Part:Undecided]]
> On 24 Apr 2016 00:46, Leno Hou wrote:
>>    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 :
>
> i took another look at this patch.  it isn't making sense to me, and your
> commit message doesn't have an explanation as to why you need it.  the only
> thing you've written is "i looked at the file, and it looks incorrect".

you liked it before! https://bugs.gentoo.org/581314 ;)

>
> do you have a build failure/log somewhere to share ?
>
>> 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.
>
> this code is really for multilib situations.  it's only needed when you want
> to compile for a diff ABI than the toolchain is defaulting to.
>
> so if --host=powerpc64le-linux-gnu, it should produce 64-bit binaries, and
> libtool doesn't have to do anything.  that's why powerpc64 isn't listed in
> the 64-bit section.
>
> adding it here would only matter if your powerpc64le-linux-gnu is producing
> 32-bit binaries by default, and that doesn't make sense.  and as you can
> see from the arch list in this section, no other target does this.
> -mike
>
> [[End of PGP Signed Part]]

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Subject: bug#23348: [m4/libtool.m4] linker error for powerpc64le-unknown-linux-gnu
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On 14 Jan 2024 03:42, Sam James wrote:
> Mike Frysinger <vapier@HIDDEN> writes:
> > [[PGP Signed Part:Undecided]]
> > On 24 Apr 2016 00:46, Leno Hou wrote:
> >>    3) But when I set CHOST=3D"powerpc64le-unkown-linux-gnu" in Gentoo =
and
> >> execute aclocal, automake, libtoolize --copy --force, autoconf. When I
> >> glance in the latest m4/libtool.m4 :
> >
> > i took another look at this patch.  it isn't making sense to me, and yo=
ur
> > commit message doesn't have an explanation as to why you need it.  the =
only
> > thing you've written is "i looked at the file, and it looks incorrect".
>=20
> you liked it before! https://bugs.gentoo.org/581314 ;)

i saw ... i'm inclined to revert at this point and let powerp64le (re)file.
but i'm OK giving Leno et al more time to respond/follow up since it isn't
affecting anyone else.
-mike

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Subject: bug#23348: [m4/libtool.m4] linker error for powerpc64le-unknown-linux-gnu
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On 14 Jan 2024 03:42, Sam James wrote:
> Mike Frysinger <vapier@HIDDEN> writes:
> > [[PGP Signed Part:Undecided]]
> > On 24 Apr 2016 00:46, Leno Hou wrote:
> >>    3) But when I set CHOST=3D"powerpc64le-unkown-linux-gnu" in Gentoo =
and
> >> execute aclocal, automake, libtoolize --copy --force, autoconf. When I
> >> glance in the latest m4/libtool.m4 :
> >
> > i took another look at this patch.  it isn't making sense to me, and yo=
ur
> > commit message doesn't have an explanation as to why you need it.  the =
only
> > thing you've written is "i looked at the file, and it looks incorrect".
>=20
> you liked it before! https://bugs.gentoo.org/581314 ;)

i saw ... i'm inclined to revert at this point and let powerp64le (re)file.
but i'm OK giving Leno et al more time to respond/follow up since it isn't
affecting anyone else.
-mike

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