Can't build with Intel Compiler on Mac OS X

icpc -bundle -undefined dynamic_lookup build/temp.macosx-10.3-i386-2.5/src/_nc_transforms.o build/temp.macosx-10.3-i386-2.5/src/mplutils.o build/temp.macosx-10.3-i386-2.5/CXX/cxx_extensions.o build/temp.macosx-10.3-i386-2.5/CXX/cxxsupport.o build/temp.macosx-10.3-i386-2.5/CXX/IndirectPythonInterface.o build/temp.macosx-10.3-i386-2.5/CXX/cxxextensions.o -L/opt/local/lib -L/usr/lib -lstdc++ -lm -o build/lib.macosx-10.3-i386-2.5/matplotlib/_nc_transforms.so
ld: warning -prebind has no effect with -bundle

ld: multiple definitions of symbol __ZNSbItSt11char_traitsItESaItEE4_Rep20_S_empty_rep_storageE
build/temp.macosx-10.3-i386-2.5/src/_nc_transforms.o definition of __ZNSbItSt11char_traitsItESaItEE4_Rep20_S_empty_rep_storageE in section (__DATA,__bss)
build/temp.macosx-10.3-i386-2.5/CXX/cxx_extensions.o definition of __ZNSbItSt11char_traitsItESaItEE4_Rep20_S_empty_rep_storageE in section (__DATA,__bss)
build/temp.macosx-10.3-i386-2.5/CXX/cxxsupport.o definition of __ZNSbItSt11char_traitsItESaItEE4_Rep20_S_empty_rep_storageE in section (__DATA,__bss)
error: command 'icpc' failed with exit status 1

Warning: the following items did not execute (for py-matplotlib): com.apple.build
Error: Status 1 encountered during processing.

# echo __ZNSbItSt11char_traitsItESaItEE4_Rep20_S_empty_rep_storageE|c++filt

std::basic_string<unsigned short, std::char_traits<unsigned short>, std::allocator<unsigned short> >::_Rep::_S_empty_rep_storage
is defined in

src/_nc_transforms.o
CXX/cxx_extensions.o
CXX/cxxsupport.o

What am I doing wrong?