[gdal-dev] Python 3 on Ubuntu 11.10

[Even Rouault]

Le mercredi 25 avril 2012 20:32:28, David Hodo a écrit :
> I'm trying to install GDAL for Python 3 on Ubuntu 11.10 and having some
> problems.  I installed GDAL 1.7.0 and the header files from with Synaptic.
>  I initially tried installing the Python bindings with 'sudo easy_install
> GDAL'.  This worked for me, but the installed version does not work with
> Python 3.
> 
> I then tried downloading the latest version from the website and installing
> with 'python3.2 setup.py build', but the command fails with the error:
> 
> running build
> running build_py
> running build_ext
> building 'osgeo._gdal' extension
> gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC
> -I../../port -I../../gcore -I../../alg -I../../ogr/ -I/usr/include/gdal/
> -I/usr/include/python3.2mu -I. -I/usr/include -c extensions/gdal_wrap.cpp
> -o build/temp.linux-x86_64-3.2/extensions/gdal_wrap.o
> cc1plus: warning: command line option ‘-Wstrict-prototypes’ is valid for
> Ada/C/ObjC but not for C++ [enabled by default]
> extensions/gdal_wrap.cpp: In function ‘void
> SWIG_Python_SetModule(swig_module_info*)’:
> extensions/gdal_wrap.cpp:2535:22: warning: unused variable
> ‘swig_empty_runtime_method_table’ [-Wunused-variable]
> extensions/gdal_wrap.cpp: At global scope:
> extensions/gdal_wrap.cpp:2999:67: error: ‘VSILFILE’ has not been declared
> extensions/gdal_wrap.cpp: In function ‘int wrapper_VSIFReadL(void**, int,
> int, int*)’:
> extensions/gdal_wrap.cpp:3018:72: error: cannot convert ‘int*’ to ‘FILE*
> {aka _IO_FILE*}’ for argument ‘4’ to ‘size_t VSIFReadL(void*, size_t,
> size_t, FILE*)’
> extensions/gdal_wrap.cpp: In function ‘int PyProgressProxy(double, const
> char*, void*)’:
> extensions/gdal_wrap.cpp:3236:2: warning: the address of ‘_Py_NoneStruct’
> will never be NULL [-Waddress]
> extensions/gdal_wrap.cpp: In function ‘int wrapper_VSIStatL(const char*,
> StatBuf*, int)’:
> extensions/gdal_wrap.cpp:3457:52: error: ‘VSIStatExL’ was not declared in
> this scope
> extensions/gdal_wrap.cpp: At global scope:
> extensions/gdal_wrap.cpp:3465:67: error: ‘VSILFILE’ has not been declared
> extensions/gdal_wrap.cpp: In function ‘int wrapper_VSIFWriteL(int, char*,
> int, int, int*)’:
> extensions/gdal_wrap.cpp:3472:42: error: cannot convert ‘int*’ to ‘FILE*
> {aka _IO_FILE*}’ for argument ‘4’ to ‘size_t VSIFWriteL(const void*,
> size_t, size_t, FILE*)’
> extensions/gdal_wrap.cpp: At global scope:
> extensions/gdal_wrap.cpp:3801:5: error: ‘GDALAsyncReaderH’ does not name a
> type
> extensions/gdal_wrap.cpp:3807:8: error: ‘GDALAsyncReaderH’ does not name a
> type
> extensions/gdal_wrap.cpp: In function ‘void
> DeleteAsyncReaderWrapper(GDALAsyncReaderWrapperH)’:
> extensions/gdal_wrap.cpp:3826:20: error: ‘struct GDALAsyncReaderWrapper’
> has no member named ‘hAsyncReader’
> ....
> 
> There are another 10 or 15 errors mostly related to VSILFILE not being
> declared.
> 
> Any suggestions on how to get GDAL working for Python3?

Did you make a full build of GDAL before trying to build the python bindings ? 
And I also somehow suspect you have GDAL headers from an older version 
somewhere in your include path, likely in /usr/include or /usr/local/include

> 
> Thanks,
> 
> David