78 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
{lib, fetchPypi, python, buildPythonPackage, isPyPy, gfortran, nose, blas, hostPlatform }:
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buildPythonPackage rec {
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  pname = "numpy";
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  version = "1.14.5";
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  src = fetchPypi {
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    inherit pname version;
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    extension = "zip";
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    sha256 = "a4a433b3a264dbc9aa9c7c241e87c0358a503ea6394f8737df1683c7c9a102ac";
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  };
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  disabled = isPyPy;
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  buildInputs = [ gfortran nose blas ];
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  patches = lib.optionals (python.hasDistutilsCxxPatch or false) [
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    # We patch cpython/distutils to fix https://bugs.python.org/issue1222585
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    # Patching of numpy.distutils is needed to prevent it from undoing the
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    # patch to distutils.
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    ./numpy-distutils-C++.patch
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  ];
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  postPatch = lib.optionalString hostPlatform.isMusl ''
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    # Use fenv.h
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    sed -i \
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      numpy/core/src/npymath/ieee754.c.src \
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      numpy/core/include/numpy/ufuncobject.h \
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      -e 's/__GLIBC__/__linux__/'
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    # Don't use various complex trig functions
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    substituteInPlace numpy/core/src/private/npy_config.h \
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      --replace '#if defined(__GLIBC__)' "#if 1" \
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      --replace '#if !__GLIBC_PREREQ(2, 18)' "#if 1"
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  '';
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  preConfigure = ''
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    sed -i 's/-faltivec//' numpy/distutils/system_info.py
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    export NPY_NUM_BUILD_JOBS=$NIX_BUILD_CORES
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  '';
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  preBuild = ''
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    echo "Creating site.cfg file..."
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    cat << EOF > site.cfg
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    [openblas]
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    include_dirs = ${blas}/include
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    library_dirs = ${blas}/lib
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    EOF
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  '';
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  enableParallelBuilding = true;
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  checkPhase = ''
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    runHook preCheck
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    pushd dist
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    ${python.interpreter} -c 'import numpy; numpy.test("fast", verbose=10)'
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    popd
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    runHook postCheck
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  '';
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  postInstall = ''
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    ln -s $out/bin/f2py* $out/bin/f2py
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  '';
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  passthru = {
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    blas = blas;
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  };
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  # Disable two tests
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  # - test_f2py: f2py isn't yet on path.
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  # - test_large_file_support: takes a long time and can cause the machine to run out of disk space
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  NOSE_EXCLUDE="test_f2py,test_large_file_support";
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  meta = {
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    description = "Scientific tools for Python";
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    homepage = http://numpy.scipy.org/;
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    maintainers = with lib.maintainers; [ fridh ];
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  };
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}
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