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pkg config generation
{ stdenv, fetchurl, gfortran }:
stdenv.mkDerivation rec {
name = "blas-${version}";
version = "3.8.0";
src = fetchurl {
url = "http://www.netlib.org/blas/${name}.tgz";
sha256 = "1s24iry5197pskml4iygasw196bdhplj0jmbsb9jhabcjqj2mpsm";
};
buildInputs = [ gfortran ];
configurePhase = ''
echo >make.inc "SHELL = ${stdenv.shell}"
echo >>make.inc "PLAT = _LINUX"
echo >>make.inc "FORTRAN = gfortran"
echo >>make.inc "OPTS = -O2 -fPIC"
echo >>make.inc "DRVOPTS = $$(OPTS)"
echo >>make.inc "NOOPT = -O0 -fPIC"
echo >>make.inc "LOADER = gfortran"
echo >>make.inc "LOADOPTS ="
echo >>make.inc "ARCH = gfortran"
echo >>make.inc "ARCHFLAGS = -shared -o"
echo >>make.inc "RANLIB = echo"
echo >>make.inc "BLASLIB = libblas.so.${version}"
'';
buildPhase = ''
make
echo >>make.inc "ARCHFLAGS = "
echo >>make.inc "BLASLIB = libblas.a"
echo >>make.inc "ARCH = ar rcs"
echo >>make.inc "RANLIB = ranlib"
make
'';
installPhase =
# FreeBSD's stdenv doesn't use Coreutils.
let dashD = if stdenv.isFreeBSD then "" else "-D"; in
(stdenv.lib.optionalString stdenv.isFreeBSD "mkdir -p $out/lib ;")
+ ''
install ${dashD} -m755 libblas.a "$out/lib/libblas.a"
install ${dashD} -m755 libblas.so.${version} "$out/lib/libblas.so.${version}"
ln -s libblas.so.${version} "$out/lib/libblas.so.3"
ln -s libblas.so.${version} "$out/lib/libblas.so"
'';
preFixup = stdenv.lib.optionalString stdenv.isDarwin ''
for fn in $(find $out/lib -name "*.so*"); do
if [ -L "$fn" ]; then continue; fi
install_name_tool -id "$fn" "$fn"
done
'';
postInstall = ''
# Write pkgconfig aliases. Upstream report:
# https://github.com/xianyi/OpenBLAS/issues/1740
# This is a copy from openblas/default.nix
for alias in blas cblas lapack; do
cat <<EOF > $out/lib/pkgconfig/$alias.pc
Name: $alias
Version: ${version}
Description: $alias provided by the BLAS package.
Cflags: -I$out/include
Libs: -L$out/lib -lblas
EOF
done
'';
meta = {
description = "Basic Linear Algebra Subprograms";
license = stdenv.lib.licenses.publicDomain;
homepage = http://www.netlib.org/blas/;
platforms = stdenv.lib.platforms.unix;
};
# We use linkName to pass a different name to --with-blas-libs for
# fflas-ffpack and linbox, because we use blas on darwin but openblas
# elsewhere.
# See see https://github.com/NixOS/nixpkgs/pull/45013.
passthru.linkName = "blas";
}
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