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https://github.com/digital-asset/daml.git
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d455267e58
This reduces the number of GHCs to 2 on Linux (regular and DWARF) and 1 on macOS. Given that each derivation is > 1 GB this should hopefully help a bit. changelog_begin changelog_end
45 lines
1.5 KiB
Nix
45 lines
1.5 KiB
Nix
# This file defines the GHC along with any overrides that is used for the
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# nix builds and stack builds.
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{ system ? builtins.currentSystem
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, pkgs ? import ./nixpkgs.nix { inherit system; }
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}:
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let
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hsLib = pkgs.haskell.lib;
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hsOverrides = with pkgs.haskell.lib; with pkgs.lib; (self: super:
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rec {
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# Override the default mkDerivation.
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# NOTE: Changing this in any way will cause a full rebuild of every package!
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mkDerivation = args: super.mkDerivation (args // {
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enableLibraryProfiling = args.enableLibraryProfiling or true;
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doCheck = args.doCheck or false;
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});
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withPackages = packages: super.callPackage ./with-packages-wrapper.nix {
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inherit (self) ghc llvmPackages;
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inherit packages;
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};
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ghcWithPackages = selectFrom: withPackages (selectFrom self);
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});
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ghc = pkgs.callPackage ./overrides/ghc-8.6.5.nix rec {
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bootPkgs = pkgs.haskell.packages.ghc863Binary;
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inherit (pkgs.python3Packages) sphinx;
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inherit (pkgs) buildLlvmPackages;
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enableIntegerSimple = true;
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enableShared = false;
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enableRelocatedStaticLibs = true;
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libffi = null;
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};
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packages = pkgs.callPackage "${toString pkgs.path}/pkgs/development/haskell-modules" {
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haskellLib = pkgs.haskell.lib;
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inherit ghc;
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buildHaskellPackages = packages;
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compilerConfig = pkgs.callPackage "${toString pkgs.path}/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix" { haskellLib = pkgs.haskell.lib; };
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overrides = hsOverrides;
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};
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in packages
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