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Simplify standalone diagrams-builder expression.

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This commit is contained in:
Raymond Gauthier 2015-04-29 21:45:57 -04:00
parent 76a8089d96
commit 6119355c9c
1 changed files with 18 additions and 17 deletions
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35
pkgs/tools/graphics/diagrams-builder/default.nix
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@ -11,32 +11,33 @@
*/
{ stdenv, ghcWithPackages, makeWrapper, diagrams-builder, extraPackages ? (self: []) }:
let
# Used same technique as for the yiCustom package.
w = ghcWithPackages
wrappedGhc = ghcWithPackages
(self: [ diagrams-builder ] ++ extraPackages self);
wrappedGhc = w.override { ignoreCollisions = true; };
ghcVersion = w.version;
ghcVersion = wrappedGhc.version;
exeWrapper = backend : ''
makeWrapper \
"${diagrams-builder}/bin/diagrams-builder-${backend}" "$out/bin/diagrams-builder-${backend}" \
--set NIX_GHC ${wrappedGhc}/bin/ghc \
--set NIX_GHC_LIBDIR ${wrappedGhc}/lib/ghc-${ghcVersion}
'';
backends = ["svg" "cairo" "ps"];
in
stdenv.mkDerivation {
name = "diagrams-builder";
buildInputs = [ makeWrapper ];
buildCommand = ''
makeWrapper \
"${diagrams-builder}/bin/diagrams-builder-svg" "$out/bin/diagrams-builder-svg" \
--set NIX_GHC ${wrappedGhc}/bin/ghc \
--set NIX_GHC_LIBDIR ${wrappedGhc}/lib/ghc-${ghcVersion}
makeWrapper \
"${diagrams-builder}/bin/diagrams-builder-cairo" "$out/bin/diagrams-builder-cairo" \
--set NIX_GHC ${wrappedGhc}/bin/ghc \
--set NIX_GHC_LIBDIR ${wrappedGhc}/lib/ghc-${ghcVersion}
buildCommand = with stdenv.lib;
concatStrings (intersperse "\n" (map exeWrapper backends));
makeWrapper \
"${diagrams-builder}/bin/diagrams-builder-ps" "$out/bin/diagrams-builder-ps" \
--set NIX_GHC ${wrappedGhc}/bin/ghc \
--set NIX_GHC_LIBDIR ${wrappedGhc}/lib/ghc-${ghcVersion}
'';
# Will be faster to build the wrapper locally then to fetch it from a binary cache.
preferLocalBuild = true;
meta = diagrams-builder.meta;