I am trying to compile a single c++ file into a shared library using R CMD SHLIB. I am able to compile a simple executable using the same code. However, I get the following output when compiling using R CMD SHLIB. I am hoping that some of the Mac gurus can give me a hint about what might be going on. I can find plenty of folks having similar problems in other contexts, but no solutions. I am using MacOS 10.4.3, g33/g++ 3.3, and R 2.2.0.
Thanks, Sean G++ version specifics: holmes: sdavis$ g++ --version g++ (GCC) 3.3 20030304 (Apple Computer, Inc. build 1809) Copyright (C) 2002 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Output of R CMD SHLIB.... holmes:~/Mercury/projects/R/StepGram/StepGram/src sdavis$ R CMD SHLIB Stepgram.cpp g++ -no-cpp-precomp -I/Users/sdavis/R-devel2/R.framework/Resources/include -I/sw/include -I/usr/local/include -fno-common -g -O2 -c Stepgram.cpp -o Stepgram.o g++ -bundle -flat_namespace -undefined suppress -L/sw/lib -L/usr/local/lib -o Stepgram.so Stepgram.o -lcc_dynamic -framework R ld: multiple definitions of symbol __Unwind_GetRegionStart /usr/lib/libcc_dynamic.a(unwind-dw2.o) private external definition of __Unwind_GetRegionStart in section (__TEXT,__text) /usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2_s.o) definition of __Unwind_GetRegionStart ld: multiple definitions of symbol __Unwind_DeleteException /usr/lib/libcc_dynamic.a(unwind-dw2.o) private external definition of __Unwind_DeleteException in section (__TEXT,__text) /usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2_s.o) definition of __Unwind_DeleteException ld: multiple definitions of symbol __Unwind_FindEnclosingFunction /usr/lib/libcc_dynamic.a(unwind-dw2.o) private external definition of __Unwind_FindEnclosingFunction in section (__TEXT,__text) /usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2_s.o) definition of __Unwind_FindEnclosingFunction ld: multiple definitions of symbol __Unwind_ForcedUnwind /usr/lib/libcc_dynamic.a(unwind-dw2.o) private external definition of __Unwind_ForcedUnwind in section (__TEXT,__text) /usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2_s.o) definition of __Unwind_ForcedUnwind ld: multiple definitions of symbol __Unwind_GetDataRelBase /usr/lib/libcc_dynamic.a(unwind-dw2.o) private external definition of __Unwind_GetDataRelBase in section (__TEXT,__text) /usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2_s.o) definition of __Unwind_GetDataRelBase ld: multiple definitions of symbol __Unwind_GetGR /usr/lib/libcc_dynamic.a(unwind-dw2.o) private external definition of __Unwind_GetGR in section (__TEXT,__text) /usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2_s.o) definition of __Unwind_GetGR ld: multiple definitions of symbol __Unwind_GetIP /usr/lib/libcc_dynamic.a(unwind-dw2.o) private external definition of __Unwind_GetIP in section (__TEXT,__text) /usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2_s.o) definition of __Unwind_GetIP ld: multiple definitions of symbol __Unwind_GetLanguageSpecificData /usr/lib/libcc_dynamic.a(unwind-dw2.o) private external definition of __Unwind_GetLanguageSpecificData in section (__TEXT,__text) /usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2_s.o) definition of __Unwind_GetLanguageSpecificData ld: multiple definitions of symbol __Unwind_GetTextRelBase /usr/lib/libcc_dynamic.a(unwind-dw2.o) private external definition of __Unwind_GetTextRelBase in section (__TEXT,__text) /usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2_s.o) definition of __Unwind_GetTextRelBase ld: multiple definitions of symbol __Unwind_RaiseException /usr/lib/libcc_dynamic.a(unwind-dw2.o) private external definition of __Unwind_RaiseException in section (__TEXT,__text) /usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2_s.o) definition of __Unwind_RaiseException ld: multiple definitions of symbol __Unwind_Resume /usr/lib/libcc_dynamic.a(unwind-dw2.o) private external definition of __Unwind_Resume in section (__TEXT,__text) /usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2_s.o) definition of __Unwind_Resume ld: multiple definitions of symbol __Unwind_SetGR ld: multiple definitions of symbol __Unwind_SetIP /usr/lib/libcc_dynamic.a(unwind-dw2.o) private external definition of __Unwind_SetIP in section (__TEXT,__text) /usr/local/lib/libgcc_s.1.0.dylib(unwind-dw2_s.o) definition of __Unwind_SetIP make: *** [Stepgram.so] Error 1 _______________________________________________ R-SIG-Mac mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/r-sig-mac
