51 lines
1.7 KiB
Nix
51 lines
1.7 KiB
Nix
# See also ./make-hadria.nix
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{ mkDerivation, base, bytestring, Cabal, containers, directory
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, extra, filepath, lib, mtl, parsec, shake, text, transformers
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, unordered-containers, cryptohash-sha256, base16-bytestring
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, writeText
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# Dependencies that are not on Hackage and only used in certain Hadrian versions
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, ghc-platform ? null
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, ghc-toolchain ? null
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# GHC source tree to build hadrian from
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, ghcSrc
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, ghcVersion
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# Customization
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, userSettings ? null
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}:
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mkDerivation {
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pname = "hadrian";
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version = ghcVersion;
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src = ghcSrc;
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postUnpack = ''
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sourceRoot="$sourceRoot/hadrian"
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'';
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# Overwrite UserSettings.hs with a provided custom one
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postPatch = lib.optionalString (userSettings != null) ''
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install -m644 "${writeText "UserSettings.hs" userSettings}" src/UserSettings.hs
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'';
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configureFlags = [
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# avoid QuickCheck dep which needs shared libs / TH
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"-f-selftest"
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# Building hadrian with -O1 takes quite some time with little benefit.
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# Additionally we need to recompile it on every change of UserSettings.hs.
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# See https://gitlab.haskell.org/ghc/ghc/-/merge_requests/1190
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"-O0"
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];
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isLibrary = false;
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isExecutable = true;
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executableHaskellDepends = [
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base bytestring Cabal containers directory extra filepath mtl
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parsec shake text transformers unordered-containers
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] ++ lib.optionals (lib.versionAtLeast ghcVersion "9.7") [
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cryptohash-sha256 base16-bytestring
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] ++ lib.optionals (lib.versionAtLeast ghcVersion "9.9") [
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ghc-platform ghc-toolchain
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];
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passthru = {
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# Expose »private« dependencies if any
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inherit ghc-platform ghc-toolchain;
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};
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description = "GHC build system";
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license = lib.licenses.bsd3;
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}
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