Installation: "missing relocs"

Hi,

   Trying to install 1.0.1 on OSX 10.6, with python 2.7 (built from source), GCC 4.6.1 built from source (to get Fortran compiler), numpy 1.6.1, and libpng 1.4.8. Modified setup.cfg to specify TkAgg backend, and setupext.py line 832 (remove the "[-2]" to get around list indexing error, maybe a change in Tkinter output?). During build, I'm getting the following death:

g++ -bundle -undefined dynamic_lookup build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o build/temp.macosx-10.6-x86_64-2.7/CXX/cxx_extensions.o build/temp.macosx-10.6-x86_64-2.7/CXX/cxxextensions.o build/temp.macosx-10.6-x86_64-2.7/CXX/cxxsupport.o build/temp.macosx-10.6-x86_64-2.7/CXX/IndirectPythonInterface.o build/temp.macosx-10.6-x86_64-2.7/src/agg_py_transforms.o build/temp.macosx-10.6-x86_64-2.7/src/path_cleanup.o -lstdc++ -lm -o build/lib.macosx-10.6-x86_64-2.7/matplotlib/backends/_macosx.so -framework Cocoa
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: warning: -fwritable-strings not compatible with literal CF/NSString in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o
ld: in build/temp.macosx-10.6-x86_64-2.7/src/_macosx.o, S_LITERAL_POINTERS section __DATA,__objc_selrefs missing relocs
collect2: ld returned 1 exit status
error: command 'g++' failed with exit status 1

I don't know if the "writable-strings" business is a practical problem, but the "missing relocs" seems to be a deal-breaker. Any suggestions?

Thanks,

Chris

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--
Christopher H. Chang, Ph.D.
Scientist IV, Computational Science
Conputational Sciences Center
National Renewable Energy Laboratory
1617 Cole Blvd., MS 1608
Golden, CO 80401
Phone (303) 275-3751
Fax (303) 275-4007