[BioPython] Installation problem---c++ os x

[Arnaout, Ramy]

I'm having a problem installing biopython (see excerpt below). I am 
definitely no expert, but I have troubleshot installation problems with 
other packages; however, here, I can't figure out what's resulting in 
the error.

When I run what appears to be the offending command

c++ -L/sw/lib -bundle -flat_namespace -undefined suppress 
build/temp.darwin-7.7.0-PowerMacintosh-2.3/Bio/KDTree/KDTree.o 
build/temp.darwin-7.7.0-PowerMacintosh-2.3/Bio/KDTree/KDTree.swig.o 
-lstdc++ -o 
build/lib.darwin-7.7.0-PowerMacintosh-2.3/Bio/KDTree/_CKDTree.so

at the prompt it returns the same "multiple definitions" flags, but 
exits without error. I have searched online without success. Does 
anybody have any ideas?

I am using python2.3 on a Mac G4 running OS 10.3.7. I have the numpy 
and numeric modules installed, as well as pygsl. I installed the egenix 
and reportlab modules with no problems.

Thanks,

R

—————————————
Ramy Arnaout, MD, DPhil
Department of Pathology
Brigham and Women's Hospital
Harvard Medical School

ramy$ python2.3 setup.py install
running install
running build
running build_py
running build_ext
building 'Bio.KDTree._CKDTree' extension
creating build/temp.darwin-7.7.0-PowerMacintosh-2.3
creating build/temp.darwin-7.7.0-PowerMacintosh-2.3/Bio
creating build/temp.darwin-7.7.0-PowerMacintosh-2.3/Bio/KDTree
c++ -I/sw/include/python2.3 -c Bio/KDTree/KDTree.cpp -o 
build/temp.darwin-7.7.0-PowerMacintosh-2.3/Bio/KDTree/KDTree.o
c++ -I/sw/include/python2.3 -c Bio/KDTree/KDTree.swig.cpp -o 
build/temp.darwin-7.7.0-PowerMacintosh-2.3/Bio/KDTree/KDTree.swig.o
In file included from /sw/include/python2.3/Python.h:70,
                  from Bio/KDTree/KDTree.swig.cpp:26:
/sw/include/python2.3/objimpl.h:255: warning: use of `long double' 
type; its
    size may change in a future release
/sw/include/python2.3/objimpl.h:255: warning: (Long double usage is 
reported
    only once for each file.
/sw/include/python2.3/objimpl.h:255: warning: To disable this warning, 
use
    -Wno-long-double.)
c++ -L/sw/lib -bundle -flat_namespace -undefined suppress 
build/temp.darwin-7.7.0-PowerMacintosh-2.3/Bio/KDTree/KDTree.o 
build/temp.darwin-7.7.0-PowerMacintosh-2.3/Bio/KDTree/KDTree.swig.o 
-lstdc++ -o 
build/lib.darwin-7.7.0-PowerMacintosh-2.3/Bio/KDTree/_CKDTree.so
ld: multiple definitions of symbol __Unwind_SetIP
/usr/lib/gcc/darwin/3.3/libgcc.a(unwind-dw2.o) private external 
definition of __Unwind_SetIP in section (__TEXT,__text)
/usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2.o) definition of 
__Unwind_SetIP
ld: multiple definitions of symbol ___frame_state_for
/usr/lib/gcc/darwin/3.3/libgcc.a(unwind-dw2.o) private external 
definition of ___frame_state_for in section (__TEXT,__text)
/usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2.o) definition of 
___frame_state_for
ld: multiple definitions of symbol __Unwind_RaiseException
/usr/lib/gcc/darwin/3.3/libgcc.a(unwind-dw2.o) private external 
definition of __Unwind_RaiseException in section (__TEXT,__text)
/usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2.o) definition of 
__Unwind_RaiseException
ld: multiple definitions of symbol __Unwind_DeleteException
/usr/lib/gcc/darwin/3.3/libgcc.a(unwind-dw2.o) private external 
definition of __Unwind_DeleteException in section (__TEXT,__text)
/usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2.o) definition of 
__Unwind_DeleteException
ld: multiple definitions of symbol __Unwind_FindEnclosingFunction
/usr/lib/gcc/darwin/3.3/libgcc.a(unwind-dw2.o) private external 
definition of __Unwind_FindEnclosingFunction in section (__TEXT,__text)
/usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2.o) definition of 
__Unwind_FindEnclosingFunction
ld: multiple definitions of symbol __Unwind_ForcedUnwind
/usr/lib/gcc/darwin/3.3/libgcc.a(unwind-dw2.o) private external 
definition of __Unwind_ForcedUnwind in section (__TEXT,__text)
/usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2.o) definition of 
__Unwind_ForcedUnwind
ld: multiple definitions of symbol __Unwind_GetDataRelBase
/usr/lib/gcc/darwin/3.3/libgcc.a(unwind-dw2.o) private external 
definition of __Unwind_GetDataRelBase in section (__TEXT,__text)
/usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2.o) definition of 
__Unwind_GetDataRelBase
ld: multiple definitions of symbol __Unwind_GetGR
/usr/lib/gcc/darwin/3.3/libgcc.a(unwind-dw2.o) private external 
definition of __Unwind_GetGR in section (__TEXT,__text)
/usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2.o) definition of 
__Unwind_GetGR
ld: multiple definitions of symbol __Unwind_GetIP
/usr/lib/gcc/darwin/3.3/libgcc.a(unwind-dw2.o) private external 
definition of __Unwind_GetIP in section (__TEXT,__text)
/usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2.o) definition of 
__Unwind_GetIP
ld: multiple definitions of symbol __Unwind_GetLanguageSpecificData
/usr/lib/gcc/darwin/3.3/libgcc.a(unwind-dw2.o) private external 
definition of __Unwind_GetLanguageSpecificData in section 
(__TEXT,__text)
/usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2.o) definition of 
__Unwind_GetLanguageSpecificData
ld: multiple definitions of symbol __Unwind_GetRegionStart
/usr/lib/gcc/darwin/3.3/libgcc.a(unwind-dw2.o) private external 
definition of __Unwind_GetRegionStart in section (__TEXT,__text)
/usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2.o) definition of 
__Unwind_GetRegionStart
ld: multiple definitions of symbol __Unwind_GetTextRelBase
/usr/lib/gcc/darwin/3.3/libgcc.a(unwind-dw2.o) private external 
definition of __Unwind_GetTextRelBase in section (__TEXT,__text)
/usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2.o) definition of 
__Unwind_GetTextRelBase
ld: multiple definitions of symbol __Unwind_Resume
/usr/lib/gcc/darwin/3.3/libgcc.a(unwind-dw2.o) private external 
definition of __Unwind_Resume in section (__TEXT,__text)
/usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2.o) definition of 
__Unwind_Resume
ld: multiple definitions of symbol __Unwind_SetGR
/usr/lib/gcc/darwin/3.3/libgcc.a(unwind-dw2.o) private external 
definition of __Unwind_SetGR in section (__TEXT,__text)
/usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2.o) definition of 
__Unwind_SetGR
error: command 'c++' failed with exit status 1
ramy$