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Re: SyFi and Instant problems

 

> Dear Kent, cc Syfi/Instant developers
>
> ok, yes i'm also confused that the cln/include-path gets lost although,
> the pkg-config knows about it. anyhow it could fix that with the
> workaround i described.
>
> as sfc uses python2.5 and instant as well, i now readjusted my whole
> stuff and turned to python2.5. the other packages of fenics (fiat, ffc,
> ferari and ufc do well with python2.5)
>
> the problems now remain with the creation of the syfi-module and the
> 'just-in-time' compiling with instant.
>
> 1)
> in the case of SyFi, the gcc-compiler and swig is used to build the
> "SyFi_wrap.cxx", which fails with the following output:
>
> building '_SyFi' extension
> creating build/temp.linux-x86_64-2.5
> gcc -pthread -fno-strict-aliasing -DNDEBUG -g -O3 -Wall
> -Wstrict-prototypes -fPIC -I. -I../syfi -I/home/priesen/num/syfi/include
> -I/home/priesen/num/cln/include -I/home/priesen/num/ginac/include
> -I/usr/pack/python-2.5.2-sd/amd64-debian-linux4.0/include/python2.5 -c
> SyFi_wrap.cxx -o build/temp.linux-x86_64-2.5/SyFi_wrap.o
> cc1plus: warning: command line option "-Wstrict-prototypes" is valid for
> Ada/C/ObjC but not for C++
> SyFi_wrap.cxx: In function 'int
> SWIG_Python_ConvertFunctionPtr(PyObject*, void**, swig_type_info*)':
> SyFi_wrap.cxx:2051: error: invalid conversion from 'const char*' to
> 'char*'
> SyFi_wrap.cxx: In function 'int SWIG_AsCharPtrAndSize(PyObject*, char**,
> size_t*, int*)':
> SyFi_wrap.cxx:5023: error: cannot convert 'int*' to 'Py_ssize_t*' for
> argument '3' to 'int PyString_AsStringAndSize(PyObject*, char**,
> Py_ssize_t*)'
> SyFi_wrap.cxx: In function 'void SWIG_Python_FixMethods(PyMethodDef*,
> swig_const_info*, swig_type_info**, swig_type_info**)':
> SyFi_wrap.cxx:49895: error: invalid conversion from 'const char*' to
> 'char*'
> error: command 'gcc' failed with exit status 1
> make[2]: *** [build] Error 1
> make[2]: Leaving directory `/home/priesen/softw/syfi/python'
> make[1]: *** [all-recursive] Error 1
> make[1]: Leaving directory `/home/priesen/softw/syfi'
> make: *** [all] Error 2
>
>
> 2) i have similar problems with instant, which i could install for
> python2.5, but when running some test examples the compiling always
> fails with e.g.
>
> In instant.recompile: The module did not compile, see
> '/tmp/tmp7XWixt2008-12-2-10-15_instant/instant_module_5bc73bd961e29c451f59fef5a2f1ebe9ff034456/compile.log'
>
> and in the compile.log i then find
>
> running build_ext
> building '_instant_module_5bc73bd961e29c451f59fef5a2f1ebe9ff034456'
> extension
> creating build
> creating build/temp.linux-x86_64-2.5
> gcc -pthread -fno-strict-aliasing -DNDEBUG -g -O3 -Wall
> -Wstrict-prototypes -fPIC -I/usr/pack/pyt
> hon-2.5.2-sd/amd64-debian-linux4.0/lib/python2.5/site-packages/numpy/core/include/numpy
> -I/usr/pa
> ck/python-2.5.2-sd/amd64-debian-linux4.0/include/python2.5 -c
> instant_module_5bc73bd961e29c451f59
> fef5a2f1ebe9ff034456_wrap.cxx -o
> build/temp.linux-x86_64-2.5/instant_module_5bc73bd961e29c451f59f
> ef5a2f1ebe9ff034456_wrap.o -O2
> cc1plus: warning: command line option "-Wstrict-prototypes" is valid for
> Ada/C/ObjC but not for C++
> instant_module_5bc73bd961e29c451f59fef5a2f1ebe9ff034456_wrap.cxx: In
> function 'int SWIG_Python_Co
> nvertFunctionPtr(PyObject*, void**, swig_type_info*)':
> instant_module_5bc73bd961e29c451f59fef5a2f1ebe9ff034456_wrap.cxx:2051:
> error: invalid conversion
> from 'const char*' to 'char*'
> instant_module_5bc73bd961e29c451f59fef5a2f1ebe9ff034456_wrap.cxx: In
> function 'void SWIG_Python_F
> ixMethods(PyMethodDef*, swig_const_info*, swig_type_info**,
> swig_type_info**)':
> instant_module_5bc73bd961e29c451f59fef5a2f1ebe9ff034456_wrap.cxx:3207:
> error: invalid conversion
> from 'const char*' to 'char*'
> error: command 'gcc' failed with exit status 1
>
>
> i suppose there is a problem with swig and gcc?
> what i have used for my configuration is the following:
>
> - ginac-1.4.4 (and cln, both compiled with gcc4.2.2)
> - gcc-4.2.2
> - python-2.5
> - swig-1.3.29
>
> and this i do on a amd64-debian-linux4.0 (etch).
>
> could you tell me about a possible configuration which should work in
> your view?
>
>
> thanks for your help and best regards
> patrick

Sorry for all your installation problems ...

Your problem seems to be a gcc <-> swig problem, as you say. I have seen
his problem
earlier but don't remember exactly which version that fixed this. However, it
is not a problem in swig 1.3.34 (which I am currently running).

Kent




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