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nixpkgs:
{
# the namespace. We can't figure this out with Nix code, but when we port to
# guix/scheme we should be able to
name
, nick # a short name, for the executable
, apex # compiled with ghc
, aero # compiled with ghcjs
# deps get passed to the compilers
, deps
}:
with nixpkgs;
let
nsToPath = ns: builtins.toString (builtins.replaceStrings ["."] ["/"] ns);
aeroPath = nsToPath aero;
apexPath = nsToPath apex;
basePath = nsToPath name;
depsToPackageSet = packageSet: deps:
map (s: builtins.getAttr s packageSet) deps;
ghc865_ = pkgs.haskell.packages.ghc865.override (oldAttrs: {
overrides = with pkgs.haskell.lib; self: super: {
clay = dontCheck super.clay;
};
});
ghc = ghc865_.ghcWithPackages (hp: depsToPackageSet hp
(deps.both ++ deps.apex));
# ghcjs-8.6.0.1
ghcjs_ = pkgs.haskell.packages.ghcjs.override (oldAttrs: {
overrides = with pkgs.haskell.lib; self: super: {
clay = dontCheck super.clay;
http-types = dontCheck super.http-types;
tasty-quickcheck = dontCheck super.tasty-quickcheck;
scientific = dontCheck super.scientific; # takes forever
servant = dontCheck super.servant;
comonad = dontCheck super.comonad;
QuickCheck = dontCheck super.QuickCheck;
};
});
ghcjs = ghcjs_.ghcWithPackages (hp:
depsToPackageSet hp (deps.both ++ deps.aero));
in {
inherit ghc ghcjs;
app = stdenv.mkDerivation {
name = name;
version = "0";
src = ../../.; # this is the git root
nativeBuildInputs = [
ghc ghcjs guile
];
strictDeps = true;
buildPhase = ''
#
mkdir -p $out/{bin,static} ${basePath}
#
# compile with ghc
#
${ghc}/bin/ghc -i. --make ${apexPath}.hs -main-is ${apex} \
-o ${apexPath}
#
# compile with ghcjs
#
${ghcjs}/bin/ghcjs -i. --make ${aeroPath}.hs -main-is ${aero} \
-o ${aeroPath}
#
# optimize js output
#
${pkgs.closurecompiler}/bin/closure-compiler \
--compilation_level ADVANCED_OPTIMIZATIONS \
--jscomp_off=checkVars \
--externs=${aeroPath}.jsexe/all.js.externs \
${aeroPath}.jsexe/all.js > $out/static/${nick}.js
'';
# the install process was handled above
installPhase = "exit 0";
};
}
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