Re: [matplotlib-devel] Problem compiling matplotlib from master

[Michael D. <md...@st...>]

It thinks the Numpy header files are here:

/usr/lib/pymodules/python2.6/numpy/core/include

are they there and from the right version of Numpy?

When you run python (the same copy you're building with), and import 
numpy and print "numpy.__version__" does that give the expected 
version.  What does "numpy.__file__" and "numpy.get_version()" give?

Mike

On 02/28/2013 11:24 AM, Nelle Varoquaux wrote:
> Hello,
>
> Since I've updated my master branch, I have a new error when 
> installing matplotlib. It seems it doesn't find a header file from numpy:
>
> I've reinstalled numpy (development version), and I tried to reinstall 
> everything (on python 2.6) but I still get the error. Am I the only 
> one having installation problems ?
>
> Here is the (partial) traceback:
>
> building 'matplotlib._png' extension
> gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -fPIC 
> -DPY_ARRAY_UNIQUE_SYMBOL=MPL_ARRAY_API -DPYCXX_ISO_CPP_LIB=1 
> -I/usr/local/include -I/usr/include -I. -I/usr/include/libpng12 
> -I/usr/lib/pymodules/python2.6/numpy/core/include 
> -I/usr/include/python2.6 -c src/_png.cpp -o 
> build/temp.linux-x86_64-2.6/src/_png.o
> In file included from src/_png.cpp:31:
> src/file_compat.h:4:32: error: numpy/npy_3kcompat.h: No such file or 
> directory
> In file included from src/_png.cpp:31:
> src/file_compat.h: In function 'int npy_PyFile_CloseFile(PyObject*)':
> src/file_compat.h:125: warning: deprecated conversion from string 
> constant to 'char*'
> src/_png.cpp: In member function 'Py::Object 
> _png_module::write_png(const Py::Tuple&)':
> src/_png.cpp:137: error: 'npy_PyFile_OpenFile' was not declared in 
> this scope
> src/_png.cpp:147: error: 'npy_PyFile_Dup' was not declared in this scope
> src/_png.cpp:243: error: 'npy_PyFile_DupClose' was not declared in 
> this scope
> src/_png.cpp:264: error: 'npy_PyFile_DupClose' was not declared in 
> this scope
> src/_png.cpp: In member function 'PyObject* 
> _png_module::_read_png(const Py::Object&, bool, int)':
> src/_png.cpp:321: error: 'npy_PyFile_OpenFile' was not declared in 
> this scope
> src/_png.cpp:329: error: 'npy_PyFile_Dup' was not declared in this scope
> src/_png.cpp:577: error: 'npy_PyFile_DupClose' was not declared in 
> this scope
> error: command 'gcc' failed with exit status 1
>
> Thanks,
> N
>
>
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