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nixpkgs:
{ name # the namespace
, nick # a short name, for the executable
, deps # deps get passed to the compilers
}:
with nixpkgs;
let
nsToPath = ns: builtins.toString (builtins.replaceStrings ["."] ["/"] ns);
pathToNs = p: builtins.replaceStrings ["/"] ["."] p;
basePath = nsToPath name;
apexPath = basePath + "/Apex"; # compiled with ghc
aeroPath = basePath + "/Aero"; # compiled with ghcjs
depsToPackageSet = packageSet: deps:
map (s: builtins.getAttr s packageSet) deps;
claySrc = pkgs.fetchFromGitHub {
owner = "sebastiaanvisser";
repo = "clay";
rev = "cc7729b1b42a79e261091ff7835f7fc2a7ae3cee";
sha256 = "1vd67976lvi5l4qq18zy6j44apynkl44ps04p8vwfx4gzr895dyp";
};
ghc865_ = pkgs.haskell.packages.ghc865.override (oldAttrs: {
overrides = with pkgs.haskell.lib; self: super: {
clay = self.callCabal2nix "clay" claySrc {};
wai-middleware-metrics = dontCheck super.wai-middleware-metrics;
};
});
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 (self.callCabal2nix "clay" claySrc {});
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 -Werror -i. \
--make ${apexPath}.hs \
-main-is ${pathToNs apexPath} \
-o $out/bin/${nick}
#
# compile with ghcjs
#
${ghcjs}/bin/ghcjs -Werror -i. \
--make ${aeroPath}.hs \
-main-is ${pathToNs aeroPath} \
-o ${aeroPath}
#
# optimize js output
#
${pkgs.closurecompiler}/bin/closure-compiler \
${aeroPath}.jsexe/all.js > $out/static/${nick}.js
'';
# the install process was handled above
installPhase = "exit 0";
};
}
|
