https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64389
Bug ID: 64389
Summary: duplicate symbols in libstdc++.6.dylib on darwin
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
Assignee: unassigned at gcc dot gnu.org
Reporter: howarth at bromo dot med.uc.edu
At r219042, I am unable to bootstrap on darwin due to a duplicate symbols
linkage error when linking libstdc++.6.dylib in stage1-bubble.
make[6]: Entering directory
'/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/x86_64-apple-darwin14.1.0/libstdc++-v3/src'
/bin/sh ../libtool --tag CXX --mode=link
/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/./gcc/xgcc -shared-libgcc
-B/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/./gcc -nostdinc++
-L/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/x86_64-apple-darwin14.1.0/libstdc++-v3/src
-L/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/x86_64-apple-darwin14.1.0/libstdc++-v3/src/.libs
-L/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/x86_64-apple-darwin14.1.0/libstdc++-v3/libsupc++/.libs
-B/sw/lib/gcc5.0/x86_64-apple-darwin14.1.0/bin/
-B/sw/lib/gcc5.0/x86_64-apple-darwin14.1.0/lib/ -isystem
/sw/lib/gcc5.0/x86_64-apple-darwin14.1.0/include -isystem
/sw/lib/gcc5.0/x86_64-apple-darwin14.1.0/sys-include -Wl,-single_module
-fno-common -DPIC -fno-implicit-templates -Wall -Wextra -Wwrite-strings
-Wcast-qual -Wabi -fdiagnostics-show-location=once
-fvisibility-inlines-hidden -ffunction-sections -fdata-sections
-frandom-seed=libstdc++.la -o libstdc++.la -version-info 6:21:0
-Wl,-exported_symbols_list,libstdc++-symbols.explist -lm -rpath
/sw/lib/gcc5.0/lib compatibility.lo compatibility-debug_list.lo
compatibility-debug_list-2.lo compatibility-c++0x.lo
compatibility-atomic-c++0x.lo compatibility-thread-c++0x.lo
compatibility-chrono.lo compatibility-condvar.lo
../libsupc++/libsupc++convenience.la ../src/c++98/libc++98convenience.la
../src/c++11/libc++11convenience.la
libtool: link: /sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/./gcc/xgcc
-shared-libgcc -B/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/./gcc
-nostdinc++
-L/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/x86_64-apple-darwin14.1.0/libstdc++-v3/src
-L/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/x86_64-apple-darwin14.1.0/libstdc++-v3/src/.libs
-L/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/x86_64-apple-darwin14.1.0/libstdc++-v3/libsupc++/.libs
-B/sw/lib/gcc5.0/x86_64-apple-darwin14.1.0/bin/
-B/sw/lib/gcc5.0/x86_64-apple-darwin14.1.0/lib/ -isystem
/sw/lib/gcc5.0/x86_64-apple-darwin14.1.0/include -isystem
/sw/lib/gcc5.0/x86_64-apple-darwin14.1.0/sys-include -dynamiclib
-Wl,-undefined -Wl,dynamic_lookup -o .libs/libstdc++.6.dylib
.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,-force_load,../libsupc++/.libs/libsupc++convenience.a
-Wl,-force_load,../src/c++98/.libs/libc++98convenience.a
-Wl,-force_load,../src/c++11/.libs/libc++11convenience.a
-L/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/x86_64-apple-darwin14.1.0/libstdc++-v3/libsupc++/.libs
-L/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/x86_64-apple-darwin14.1.0/libstdc++-v3/src
-L/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/x86_64-apple-darwin14.1.0/libstdc++-v3/src/.libs
-lm -Wl,-single_module -Wl,-exported_symbols_list
-Wl,libstdc++-symbols.explist -install_name
/sw/lib/gcc5.0/lib/libstdc++.6.dylib -compatibility_version 7 -current_version
7.21 -Wl,-single_module
...
duplicate symbol std::__cxx11::time_get<char, std::istreambuf_iterator<char,
std::char_traits<char> > >::do_get(std::istreambuf_iterator<char,
std::char_traits<char> >, std::istreambuf_iterator<char, std::char_traits<char>
>, std::ios_base&, std::_Ios_Iostate&, tm*, char, char) const in:
../src/c++11/.libs/libc++11convenience.a(cxx11-locale-inst.o)
../src/c++11/.libs/libc++11convenience.a(string-inst.o)
duplicate symbol std::__cxx11::time_get<char, std::istreambuf_iterator<char,
std::char_traits<char> > >::get(std::istreambuf_iterator<char,
std::char_traits<char> >, std::istreambuf_iterator<char, std::char_traits<char>
>, std::ios_base&, std::_Ios_Iostate&, tm*, char, char) const in:
../src/c++11/.libs/libc++11convenience.a(cxx11-locale-inst.o)
../src/c++11/.libs/libc++11convenience.a(string-inst.o)
duplicate symbol std::__cxx11::time_get<char, std::istreambuf_iterator<char,
std::char_traits<char> > >::get(std::istreambuf_iterator<char,
std::char_traits<char> >, std::istreambuf_iterator<char, std::char_traits<char>
>, std::ios_base&, std::_Ios_Iostate&, tm*, char const*, char const*) const in:
../src/c++11/.libs/libc++11convenience.a(cxx11-locale-inst.o)
../src/c++11/.libs/libc++11convenience.a(string-inst.o)
duplicate symbol std::__cxx11::time_get<wchar_t,
std::istreambuf_iterator<wchar_t, std::char_traits<wchar_t> >
>::do_get(std::istreambuf_iterator<wchar_t, std::char_traits<wchar_t> >,
std::istreambuf_iterator<wchar_t, std::char_traits<wchar_t> >, std::ios_base&,
std::_Ios_Iostate&, tm*, char, char) const in:
../src/c++11/.libs/libc++11convenience.a(cxx11-wlocale-inst.o)
../src/c++11/.libs/libc++11convenience.a(wstring-inst.o)
duplicate symbol std::__cxx11::time_get<wchar_t,
std::istreambuf_iterator<wchar_t, std::char_traits<wchar_t> >
>::get(std::istreambuf_iterator<wchar_t, std::char_traits<wchar_t> >,
std::istreambuf_iterator<wchar_t, std::char_traits<wchar_t> >, std::ios_base&,
std::_Ios_Iostate&, tm*, char, char) const in:
../src/c++11/.libs/libc++11convenience.a(cxx11-wlocale-inst.o)
../src/c++11/.libs/libc++11convenience.a(wstring-inst.o)
duplicate symbol std::__cxx11::time_get<wchar_t,
std::istreambuf_iterator<wchar_t, std::char_traits<wchar_t> >
>::get(std::istreambuf_iterator<wchar_t, std::char_traits<wchar_t> >,
std::istreambuf_iterator<wchar_t, std::char_traits<wchar_t> >, std::ios_base&,
std::_Ios_Iostate&, tm*, wchar_t const*, wchar_t const*) const in:
../src/c++11/.libs/libc++11convenience.a(cxx11-wlocale-inst.o)
../src/c++11/.libs/libc++11convenience.a(wstring-inst.o)
ld: 6 duplicate symbols for architecture x86_64
collect2: error: ld returned 1 exit status
Makefile:554: recipe for target 'libstdc++.la' failed
make[6]: *** [libstdc++.la] Error 1
make[6]: Leaving directory
'/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/x86_64-apple-darwin14.1.0/libstdc++-v3/src'
Makefile:584: recipe for target 'all-recursive' failed
make[5]: *** [all-recursive] Error 1
make[5]: Leaving directory
'/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/x86_64-apple-darwin14.1.0/libstdc++-v3/src'
Makefile:486: recipe for target 'all-recursive' failed
make[4]: *** [all-recursive] Error 1
make[4]: Leaving directory
'/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/x86_64-apple-darwin14.1.0/libstdc++-v3'
Makefile:392: recipe for target 'all' failed
make[3]: *** [all] Error 2
make[3]: Leaving directory
'/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/x86_64-apple-darwin14.1.0/libstdc++-v3'
Makefile:12093: recipe for target 'all-stage1-target-libstdc++-v3' failed
make[2]: *** [all-stage1-target-libstdc++-v3] Error 2
make[2]: Leaving directory '/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir'
Makefile:20523: recipe for target 'stage1-bubble' failed
make[1]: *** [stage1-bubble] Error 2
make[1]: Leaving directory '/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir'
Makefile:910: recipe for target 'all' failed
