Python and Swig
Elie Naulleau
Elie.Naulleau at westgroup.com
Thu Sep 23 16:12:16 EDT 1999
The answer is the following:
ld -G stemmer.o stemmer_wrap.o -o stemmermodule.so
Elie Naulleau wrote:
> I am experiencing some linking problems.
> I am using Python. I need to incorporate C functions
> accessible from Python. To do this I am using swig (www.swig.org).
> If I follow the steps advised by the documentation, everything is fine
> till
> the linking stage:
>
> swig -python stemmer.i
> OK
> gcc -c stemmer.c stemmer_wrap.c -I/csr0/gnu/lib/python1.5/config
> -I/csr0/gnu/include/python1.5/
> OK
> ld -shared stemmer.o stemmer_wrap.o -o stemmermodule.so
> error
>
> -shared in not recognized by Solaris linker, it is likely to be -d y
> So I do it again:
>
> ld -d y stemmer.o stemmer_wrap.o -o stemmermodule.so
> Undefined first referenced
> symbol in file
> Py_InitModule4 stemmer_wrap.o
> PyExc_TypeError stemmer_wrap.o
> exit stemmer_wrap.o
> tolower stemmer.o
> malloc stemmer_wrap.o
> sprintf stemmer_wrap.o
> PyString_FromString stemmer_wrap.o
> PyType_Type stemmer_wrap.o
> .umul stemmer.o
> .urem stemmer.o
> .rem stemmer.o
> Py_BuildValue stemmer_wrap.o
> PyErr_Occurred stemmer_wrap.o
> PyString_AsString stemmer_wrap.o
> sscanf stemmer.o
> PyModule_GetDict stemmer_wrap.o
> qsort stemmer_wrap.o
> fclose stemmer.o
> _Py_NoneStruct stemmer_wrap.o
> strncat stemmer_wrap.o
> PyArg_ParseTuple stemmer_wrap.o
> PyErr_SetString stemmer_wrap.o
> strncmp stemmer_wrap.o
> printf stemmer.o
> __iob stemmer_wrap.o
> PyDict_SetItemString stemmer_wrap.o
> realloc stemmer_wrap.o
> free stemmer_wrap.o
> strcmp stemmer.o
> fgets stemmer.o
> fopen stemmer.o
> strcpy stemmer.o
> PyInt_FromLong stemmer_wrap.o
> strlen stemmer.o
> PyExc_NameError stemmer_wrap.o
> PyInt_AsLong stemmer_wrap.o
> fprintf stemmer_wrap.o
> ld: fatal: Symbol referencing errors. No output written to
> stemmermodule.so
>
> I running Solaris 2.5, gnu compiler, Sun solaris ld
> Reading ld man page did not help. Neither compiling object files with
> gcc -shared
> Any help ?
>
> Thanks
>
> Elie Naulleau
> Elie.Naulleau at westgroup.com
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