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63 lines
1.9 KiB
Nix
63 lines
1.9 KiB
Nix
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{ stdenv, fetchurl, ocaml, findlib, opam, gg, uutf, otfm, js_of_ocaml,
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pdfBackend ? true, # depends on uutf and otfm
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htmlcBackend ? true # depends on js_of_ocaml
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}:
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let
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inherit (stdenv.lib) getVersion optionals versionAtLeast;
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pname = "vg";
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version = "0.8.1";
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webpage = "http://erratique.ch/software/${pname}";
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in
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assert versionAtLeast (getVersion ocaml) "4.01.0";
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stdenv.mkDerivation rec {
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name = "ocaml-${pname}-${version}";
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src = fetchurl {
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url = "${webpage}/releases/${pname}-${version}.tbz";
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sha256 = "1cdcvsr5z8845ndilnrz7p4n6yn4gv2p91z2mgi4vrailcmn5vzd";
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};
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buildInputs = [ ocaml findlib opam ];
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propagatedBuildInputs = [ gg ]
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++ optionals pdfBackend [ uutf otfm ]
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++ optionals htmlcBackend [ js_of_ocaml ];
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createFindlibDestdir = true;
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unpackCmd = "tar xjf $src";
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buildPhase = "ocaml pkg/build.ml native=true native-dynlink=true"
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+ (if pdfBackend then " uutf=true otfm=true"
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else " uutf=false otfm=false")
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+ (if htmlcBackend then " jsoo=true"
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else " jsoo=false");
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installPhase = ''
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opam-installer --script --prefix=$out ${pname}.install | sh
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ln -s $out/lib/${pname} $out/lib/ocaml/${getVersion ocaml}/site-lib/${pname}
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'';
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meta = with stdenv.lib; {
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description = "Declarative 2D vector graphics for OCaml";
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longDescription = ''
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Vg is an OCaml module for declarative 2D vector graphics. In Vg, images
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are values that denote functions mapping points of the cartesian plane
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to colors. The module provides combinators to define and compose these
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values.
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Renderers for PDF, SVG and the HTML canvas are distributed with the
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module. An API allows to implement new renderers.
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'';
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homepage = "${webpage}";
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platforms = ocaml.meta.platforms;
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license = licenses.bsd3;
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maintainers = [ maintainers.jirkamarsik ];
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};
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}
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