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nixpkgs/pkgs/development/libraries/qrupdate/default.nix
Doron Behar 8109377468 qrupdate: refactor & assert compatible blas && lapack
Use `pname` and `version`. Use my preferred indentation style. Use
makeFlagsArray in preBuild instead of overriding configurePhase, per:
https://github.com/jtojnar/nixpkgs-hammering/blob/master/explanations/explicit-phases.md

Assert that lapack and blas are compatible regarding 64 bit indexing, do
it near evaluation of preBuild, per jtojnar's explanation:
https://github.com/NixOS/nixpkgs/pull/94892#discussion_r471110250

Use gpl3Plus, as gpl3 is unclear and deprecated.
2020-09-23 02:56:51 +03:00

56 lines
1.5 KiB
Nix

{ stdenv
, fetchurl
, gfortran
, blas
, lapack
, which
}:
stdenv.mkDerivation rec {
pname = "qrupdate";
version = "1.1.2";
src = fetchurl {
url = "mirror://sourceforge/qrupdate/${pname}-${version}.tar.gz";
sha256 = "024f601685phcm1pg8lhif3lpy5j9j0k6n0r46743g4fvh8wg8g2";
};
preBuild =
# Check that blas and lapack are compatible
assert (blas.isILP64 == lapack.isILP64);
# We don't have structuredAttrs yet implemented, and we need to use space
# seprated values in makeFlags, so only this works.
''
makeFlagsArray+=(
"LAPACK=-L${lapack}/lib -llapack"
"BLAS=-L${blas}/lib -lblas"
"PREFIX=${placeholder "out"}"
${stdenv.lib.optionalString blas.isILP64
# Use their FFLAGS along with `-fdefault-integer-8`. If another
# application intends to use arpack, it should add this to it's FFLAGS as
# well. Otherwise (e.g): https://savannah.gnu.org/bugs/?50339
"FFLAGS=-fimplicit-none -O3 -funroll-loops -fdefault-integer-8"
}
)
'';
doCheck = true;
checkTarget = "test";
buildFlags = [ "lib" "solib" ];
installTargets = stdenv.lib.optionals stdenv.isDarwin [ "install-staticlib" "install-shlib" ];
buildInputs = [ gfortran ];
nativeBuildInputs = [ which ];
meta = with stdenv.lib; {
description = "Library for fast updating of qr and cholesky decompositions";
homepage = "https://sourceforge.net/projects/qrupdate/";
license = licenses.gpl3Plus;
maintainers = with maintainers; [ doronbehar ];
platforms = platforms.unix;
};
}