forked from mirrors/nixpkgs
45 lines
1.2 KiB
Nix
45 lines
1.2 KiB
Nix
/*
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If user need access to more haskell package for building his
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diagrams, he simply has to pass these package through the
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extra packages function as follow in `config.nix`:
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~~~
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diagrams-builder.override {
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extraPackages = self : [myHaskellPackage];
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}
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~~~
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*/
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{ lib, stdenv, ghcWithPackages, makeWrapper, diagrams-builder, extraPackages ? (self: []) }:
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let
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# Used same technique as for the yiCustom package.
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wrappedGhc = ghcWithPackages
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(self: [ diagrams-builder ] ++ extraPackages self);
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ghcVersion = wrappedGhc.version;
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exeWrapper = backend : ''
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makeWrapper \
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"${diagrams-builder}/bin/diagrams-builder-${backend}" "$out/bin/diagrams-builder-${backend}" \
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--set NIX_GHC ${wrappedGhc}/bin/ghc \
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--set NIX_GHC_LIBDIR ${wrappedGhc}/lib/ghc-${ghcVersion}
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'';
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backends = ["svg" "cairo" "ps"];
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in
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stdenv.mkDerivation {
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name = "diagrams-builder";
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buildInputs = [ makeWrapper ];
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buildCommand = with lib;
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concatStrings (intersperse "\n" (map exeWrapper backends));
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# Will be faster to build the wrapper locally then to fetch it from a binary cache.
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preferLocalBuild = true;
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meta = diagrams-builder.meta;
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}
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