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{ stdenv, fetchurl, ocaml, findlib, opam }:
let
inherit (stdenv.lib) getVersion versionAtLeast;
pname = "gg";
version = "0.9.0";
webpage = "http://erratique.ch/software/${pname}";
in
assert versionAtLeast (getVersion ocaml) "4.01.0";
stdenv.mkDerivation rec {
name = "ocaml-${pname}-${version}";
src = fetchurl {
url = "${webpage}/releases/${pname}-${version}.tbz";
sha256 = "055pza6jbjjj7wgzf7pbn0ccxw76i8w5b2bcnaz8b9m4x6jaa6gh";
};
buildInputs = [ ocaml findlib opam ];
createFindlibDestdir = true;
unpackCmd = "tar xjf $src";
buildPhase = "ocaml pkg/build.ml native=true native-dynlink=true";
installPhase = ''
opam-installer --script --prefix=$out ${pname}.install | sh
ln -s $out/lib/${pname} $out/lib/ocaml/${getVersion ocaml}/site-lib/${pname}
'';
meta = with stdenv.lib; {
description = "Basic types for computer graphics in OCaml";
longDescription = ''
Gg is an OCaml module providing basic types for computer graphics. It
defines types and functions for floats, vectors, points, sizes,
matrices, quaternions, axis aligned boxes, colors, color spaces, and
raster data.
'';
homepage = "${webpage}";
platforms = ocaml.meta.platforms;
license = licenses.bsd3;
maintainers = [ maintainers.jirkamarsik ];
};
}
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