: undefined reference to `std::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Rep::_S_empty_rep_storage'
.libs/konq_sound.o(.text+0x6b8): In function `KonqSoundPlayerImpl::KonqSoundPlayerImpl()':
: undefined reference to `std::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Rep::_S_empty_rep_storage'
.libs/konq_sound.o(.text+0x6f7): In function `KonqSoundPlayerImpl::KonqSoundPlayerImpl()':
: undefined reference to `std::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Rep::_S_empty_rep_storage'
.libs/konq_sound.o(.text+0x72b): In function `KonqSoundPlayerImpl::KonqSoundPlayerImpl()':
: undefined reference to `std::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Rep::_S_empty_rep_storage'
.libs/konq_sound.o(.text+0x7f1): In function `KonqSoundPlayerImpl::KonqSoundPlayerImpl()':
: undefined reference to `__gnu_cxx::__exchange_and_add(int volatile*, int)'
.libs/konq_sound.o(.text+0x823): In function `KonqSoundPlayerImpl::KonqSoundPlayerImpl()':
: undefined reference to `__gnu_cxx::__exchange_and_add(int volatile*, int)'
.libs/konq_sound.o(.text+0x855): In function `KonqSoundPlayerImpl::KonqSoundPlayerImpl()':
: undefined reference to `__gnu_cxx::__exchange_and_add(int volatile*, int)'
.libs/konq_sound.o(.text+0x9cd): In function `KonqSoundPlayerImpl::KonqSoundPlayerImpl()':
: undefined reference to `std::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Rep::_S_empty_rep_storage'
.libs/konq_sound.o(.text+0xaa8): In function `KonqSoundPlayerImpl::KonqSoundPlayerImpl()':
: undefined reference to `std::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Rep::_S_empty_rep_storage'
.libs/konq_sound.o(.text+0xae7): In function `KonqSoundPlayerImpl::KonqSoundPlayerImpl()':
: undefined reference to `std::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Rep::_S_empty_rep_storage'
.libs/konq_sound.o(.text+0xb1b): In function `KonqSoundPlayerImpl::KonqSoundPlayerImpl()':
: undefined reference to `std::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Rep::_S_empty_rep_storage'
.libs/konq_sound.o(.text+0xbe1): In function `KonqSoundPlayerImpl::KonqSoundPlayerImpl()':
: undefined reference to `__gnu_cxx::__exchange_and_add(int volatile*, int)'
.libs/konq_sound.o(.text+0xc13): In function `KonqSoundPlayerImpl::KonqSoundPlayerImpl()':
: undefined reference to `__gnu_cxx::__exchange_and_add(int volatile*, int)'
.libs/konq_sound.o(.text+0xc45): In function `KonqSoundPlayerImpl::KonqSoundPlayerImpl()':
: undefined reference to `__gnu_cxx::__exchange_and_add(int volatile*, int)'
.libs/konq_sound.o(.text+0xde5): In function `KonqSoundPlayerImpl::mimeTypes()':
: undefined reference to `std::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Rep::_S_empty_rep_storage'
.libs/konq_sound.o(.text+0xe37): In function `KonqSoundPlayerImpl::mimeTypes()':
: undefined reference to `std::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Rep::_S_empty_rep_storage'
.libs/konq_sound.o(.text+0x10bb): In function `KonqSoundPlayerImpl::mimeTypes()':
: undefined reference to `__gnu_cxx::__exchange_and_add(int volatile*, int)'
.libs/konq_sound.o(.text+0x1104): In function `KonqSoundPlayerImpl::mimeTypes()':
: undefined reference to `__gnu_cxx::__exchange_and_add(int volatile*, int)'
collect2: ld returned 1 exit status
make[3]: *** [konq_sound.la] Error 1
make[3]: Leaving directory `/var/tmp/portage/libkonq-3.5.1/work/libkonq-3.5.1/libkonq'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/var/tmp/portage/libkonq-3.5.1/work/libkonq-3.5.1/libkonq'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/var/tmp/portage/libkonq-3.5.1/work/libkonq-3.5.1'
make: *** [all] Error 2

!!! ERROR: kde-base/libkonq-3.5.1 failed.
Call stack:
  ebuild.sh, line 1933:   Called dyn_compile
  ebuild.sh, line 971:   Called src_compile
  ebuild.sh, line 1648:   Called kde-meta_src_compile
  kde-meta.eclass, line 400:   Called kde_src_compile
  kde.eclass, line 111:   Called kde_src_compile 'compile'
  kde.eclass, line 228:   Called kde_src_compile 'all' 'myconf' 'configure'

!!! died running emake, kde_src_compile:make
!!! If you need support, post the topmost build error, and the call stack if relevant.