Error compiling with Cython.

error_grass_cython

$ python2 setup.py build_ext -i
running build_ext
cythoning raster.pyx to raster.c

Error compiling Cython file:
------------------------------------------------------------
...

    ctypedef stat STRUCT_STAT

    cdef struct DateTime:
        int mode
        int from
           ^
------------------------------------------------------------

crast.pxd:415:12: Empty declarator

Error compiling Cython file:
------------------------------------------------------------
...

    ctypedef stat STRUCT_STAT

    cdef struct DateTime:
        int mode
        int from
           ^
------------------------------------------------------------

crast.pxd:415:12: Syntax error in C variable declaration

Error compiling Cython file:
------------------------------------------------------------
...
python2 setup.py build_ext -i
"""

cimport crast

cdef char *gtype2mtype(crast.RASTER_MAP_TYPE gtype):
                      ^
------------------------------------------------------------

raster.pyx:9:23: 'RASTER_MAP_TYPE' is not a type identifier

Error compiling Cython file:
------------------------------------------------------------
...
        return 'DCELL'
    else:
        print 'Error: gtype not valid.'
        return ''

cdef crast.RASTER_MAP_TYPE mtype2gtype(char *mtype):
    ^
------------------------------------------------------------

raster.pyx:31:5: 'RASTER_MAP_TYPE' is not a type identifier
building 'raster' extension
creating build
creating build/temp.linux-x86_64-2.7
gcc -pthread -fno-strict-aliasing -march=x86-64 -mtune=generic -O2 -pipe -fstack-protector --param=ssp-buffer-size=4 -D_FORTIFY_SOURCE=2 -DNDEBUG -march=x86-64 -mtune=generic -O2 -pipe -fstack-protector --param=ssp-buffer-size=4 -D_FORTIFY_SOURCE=2 -fPIC -I/home/pietro/docdat/src/gis/grass/grass_trunk/dist.x86_64-unknown-linux-gnu/include -I/usr/include/python2.7 -c raster.c -o build/temp.linux-x86_64-2.7/raster.o
raster.c:1:2: error: #error Do not use this file, it is the result of a failed Cython compilation.
 #error Do not use this file, it is the result of a failed Cython compilation.
  ^
error: command 'gcc' failed with exit status 1