[Bug ld/17219] New: ld/mips: can no longer build libstdc++ (gcc 4.8/4.9)

[manuel.lauss at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=17219

            Bug ID: 17219
           Summary: ld/mips: can no longer build libstdc++ (gcc 4.8/4.9)
           Product: binutils
           Version: 2.25 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: manuel.lauss at gmail dot com

For the last few days, current git-head of binutils is unable to build
libstdc++ during cross-build of gcc:

libtool: link: 
/tmp-ram/portage/cross-mipsel-softfloat-linux-gnu/gcc-4.9.0/work/build/./gcc/xgcc
-shared-libgcc
-B/tmp-ram/portage/cross-mipsel-softfloat-linux-gnu/gcc-4.9.0/work/build/./gcc
-nostdinc++
-L/tmp-ram/portage/cross-mipsel-softfloat-linux-gnu/gcc-4.9.0/work/build/mipsel-softfloat-linux-gnu/libstdc++-v3/src
-L/tmp-ram/portage/cross-mipsel-softfloat-linux-gnu/gcc-4.9.0/work/build/mipsel-softfloat-linux-gnu/libstdc++-v3/src/.libs
-L/tmp-ram/portage/cross-mipsel-softfloat-linux-gnu/gcc-4.9.0/work/build/mipsel-softfloat-linux-gnu/libstdc++-v3/libsupc++/.libs
-B/usr/mipsel-softfloat-linux-gnu/bin/ -B/usr/mipsel-softfloat-linux-gnu/lib/
-isystem /usr/mipsel-softfloat-linux-gnu/include -isystem
/usr/mipsel-softfloat-linux-gnu/sys-include    -shared -nostdlib
/usr/mipsel-softfloat-linux-gnu/usr/lib/crti.o
/tmp-ram/portage/cross-mipsel-softfloat-linux-gnu/gcc-4.9.0/work/build/./gcc/crtbeginS.o
 .libs/compatibility.o .libs/compatibility-debug_list.o
.libs/compatibility-debug_list-2.o .libs/compatibility-c++0x.o
.libs/compatibility-atomic-c++0x.o .libs/compatibility-thread-c++0x.o
.libs/compatibility-chrono.o .libs/compatibility-condvar.o  -Wl,--whole-archive
../libsupc++/.libs/libsupc++convenience.a
../src/c++98/.libs/libc++98convenience.a
../src/c++11/.libs/libc++11convenience.a -Wl,--no-whole-archive 
-L/tmp-ram/portage/cross-mipsel-softfloat-linux-gnu/gcc-4.9.0/work/build/mipsel-softfloat-linux-gnu/libstdc++-v3/libsupc++/.libs
-L/tmp-ram/portage/cross-mipsel-softfloat-linux-gnu/gcc-4.9.0/work/build/mipsel-softfloat-linux-gnu/libstdc++-v3/src
-L/tmp-ram/portage/cross-mipsel-softfloat-linux-gnu/gcc-4.9.0/work/build/mipsel-softfloat-linux-gnu/libstdc++-v3/src/.libs
-lm
-L/tmp-ram/portage/cross-mipsel-softfloat-linux-gnu/gcc-4.9.0/work/build/./gcc
-L/usr/mipsel-softfloat-linux-gnu/lib -L/usr/mipsel-softfloat-linux-gnu/usr/lib
-lc -lgcc_s
/tmp-ram/portage/cross-mipsel-softfloat-linux-gnu/gcc-4.9.0/work/build/./gcc/crtendS.o
/usr/mipsel-softfloat-linux-gnu/usr/lib/crtn.o  -Wl,-O1 -Wl,-z -Wl,relro
-Wl,--gc-sections -Wl,--version-script=libstdc++-symbols.ver   -Wl,-soname
-Wl,libstdc++.so.6 -o .libs/libstdc++.so.6.0.20
/usr/libexec/gcc/mipsel-softfloat-linux-gnu/ld: .libs/compatibility.o:
relocation R_MIPS_26 against `memmove' can not be used when making a shared
object; recompile with -fPIC
.libs/compatibility.o: error adding symbols: Bad value
collect2: error: ld returned 1 exit status

Also, builds are full of these messages:
/tmp-ram/portage/cross-mipsel-softfloat-linux-gnu/gcc-4.9.0/temp/ccGy6M7d.s:
Assembler messages:
/tmp-ram/portage/cross-mipsel-softfloat-linux-gnu/gcc-4.9.0/temp/ccGy6M7d.s:
Warning: .gnu_attribute 4,3 requires `softfloat'

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