[Matplotlib-users] compile error with python2.5

[Achim G. <Ach...@ph...>]

While compiling matplotlib-0.87.5 with python-2.5 on debian testing some
errors occured:

gcc: src/agg.cxx
cc1plus: warning: command line option "-Wstrict-prototypes" is valid for
Ada/C/ObjC but not for C++
src/agg.cxx: In function 'int SWIG_Python_ConvertPtr(PyObject*, void**,
swig_type_info*, int)':
src/agg.cxx:1231: error: invalid conversion from 'const char*' to 'char*'
src/agg.cxx: In function 'void SWIG_Python_FixMethods(PyMethodDef*,
swig_const_info*, swig_type_info**, swig_type_info**)':
src/agg.cxx:27624: error: invalid conversion from 'const char*' to 'char*'
cc1plus: warning: command line option "-Wstrict-prototypes" is valid for
Ada/C/ObjC but not for C++
src/agg.cxx: In function 'int SWIG_Python_ConvertPtr(PyObject*, void**,
swig_type_info*, int)':
src/agg.cxx:1231: error: invalid conversion from 'const char*' to 'char*'
src/agg.cxx: In function 'void SWIG_Python_FixMethods(PyMethodDef*,
swig_const_info*, swig_type_info**, swig_type_info**)':
src/agg.cxx:27624: error: invalid conversion from 'const char*' to 'char*'
error: Command "gcc -pthread -fno-strict-aliasing -DNDEBUG -g -O3 -Wall
-Wstrict-prototypes -fPIC -Iagg23/include -Isrc -Iswig
-I/home/achim/local/include/python2.5 -c src/agg.cxx -o
build/temp.linux-i686-2.5/src/agg.o" failed with exit status 1


similar errors occured in src/swig_runtime.h

src/swig_runtime.h: In function 'int SWIG_Python_ConvertPtr(PyObject*,
void**, swig_type_info*, int)':
src/swig_runtime.h:1140: error: invalid conversion from 'const char*' to
'char*'

a fix is attached.

Achim