{ lib, stdenv, fetchFromGitHub, makeWrapper , clang, chez }: # Uses scheme to bootstrap the build of idris2 stdenv.mkDerivation rec { pname = "idris2"; version = "0.3.0"; src = fetchFromGitHub { owner = "idris-lang"; repo = "Idris2"; rev = "v${version}"; sha256 = "0sa2lpb7n6xqfknwld9rzm4bnb6qcd0ja1n63cnc5v8wdzr8q7kh"; }; strictDeps = true; nativeBuildInputs = [ makeWrapper clang chez ]; buildInputs = [ chez ]; prePatch = '' patchShebangs --build tests ''; makeFlags = [ "PREFIX=$(out)" ] ++ lib.optional stdenv.isDarwin "OS="; # The name of the main executable of pkgs.chez is `scheme` buildFlags = [ "bootstrap-build" "SCHEME=scheme" ]; checkTarget = "bootstrap-test"; # TODO: Move this into its own derivation, such that this can be changed # without having to recompile idris2 every time. postInstall = let includedLibs = [ "base" "contrib" "network" "prelude" ]; name = "${pname}-${version}"; packagePaths = builtins.map (l: "$out/${name}/" + l) includedLibs; additionalIdris2Paths = builtins.concatStringsSep ":" packagePaths; in '' # Remove existing idris2 wrapper that sets incorrect LD_LIBRARY_PATH rm $out/bin/idris2 # Move actual idris2 binary mv $out/bin/idris2_app/idris2.so $out/bin/idris2 # After moving the binary, there is nothing left in idris2_app that isn't # either contained in lib/ or is useless to us. rm $out/bin/idris2_app/* rmdir $out/bin/idris2_app # idris2 needs to find scheme at runtime to compile # idris2 installs packages with --install into the path given by PREFIX. # Since PREFIX is in nix-store, it is immutable so --install does not work. # If the user redefines PREFIX to be able to install packages, idris2 will # not find the libraries and packages since all paths are relative to # PREFIX by default. # We explicitly make all paths to point to nix-store, such that they are # independent of what IDRIS2_PREFIX is. This allows the user to redefine # IDRIS2_PREFIX and use --install as expected. # TODO: Make support libraries their own derivation such that # overriding LD_LIBRARY_PATH is unnecessary # TODO: Maybe set IDRIS2_PREFIX to the users home directory wrapProgram "$out/bin/idris2" \ --set-default CHEZ "${chez}/bin/scheme" \ --suffix IDRIS2_LIBS ':' "$out/${name}/lib" \ --suffix IDRIS2_DATA ':' "$out/${name}/support" \ --suffix IDRIS2_PATH ':' "${additionalIdris2Paths}" \ --suffix LD_LIBRARY_PATH ':' "$out/${name}/lib" ''; meta = { description = "A purely functional programming language with first class types"; homepage = "https://github.com/idris-lang/Idris2"; license = lib.licenses.bsd3; maintainers = with lib.maintainers; [ wchresta ]; inherit (chez.meta) platforms; }; }