crlibm-fortran.nix

{
  stdenv,
  gfortran,
  fetchgit,
  crlibm,
}:
let
  version = "1.1";
in
stdenv.mkDerivation {
  pname = "crmath";
  inherit version;

  src = fetchgit {
    url = "https://github.com/rhdtownsend/crmath";
    rev = "62822222b94810dd9601a4076a6ca36a20211bff";
    hash = "sha256-JAdDURvFLZtPMWTZ9jyxSzhhlYuwc/y//IYNOvmi948=";
  };

  nativeBuildInputs = [ gfortran ];
  propagatedBuildInputs = [ crlibm ];

  installPhase = ''
    mkdir -p $out/lib
    mkdir -p $out/lib/pkgconfig
    mkdir -p $out/include
    cp libcrmath.a $out/lib
    cp crmath.mod *.smod  $out/include

    cat <<EOF > $out/lib/pkgconfig/crmath.pc
    Name: crmath
    Version: ${version}
    Requires: crlibm
    Description: FORTRAN bindings for crlibm
    Cflags: -I$out/include
    Libs: -L$out/lib -lcrmath
    EOF
  '';
}