nixpkgs/pkgs/development/compilers/urn/default.nix

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{ stdenv, fetchFromGitLab, buildEnv, makeWrapper, lua, luajit, readline
, useLuaJit ? false
, extraLibraries ? []
}:
let
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version = "0.7.2";
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# Build a sort of "union package" with all the native dependencies we
# have: Lua (or LuaJIT), readline, etc. Then, we can depend on this
# and refer to ${urn-rt} instead of ${lua}, ${readline}, etc.
urn-rt = buildEnv {
name = "urn-rt-${version}";
ignoreCollisions = true;
paths = if useLuaJit then
[ luajit readline ]
else
[ lua ];
};
inherit (stdenv.lib) optionalString concatMapStringsSep;
in
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stdenv.mkDerivation {
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name = "urn-${optionalString (extraLibraries != []) "with-libraries-"}${version}";
src = fetchFromGitLab {
owner = "urn";
repo = "urn";
rev = "v${version}";
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sha256 = "0nclr3d8ap0y5cg36i7g4ggdqci6m5q27y9f26b57km8p266kcpy";
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};
buildInputs = [ makeWrapper ];
# Any packages that depend on the compiler have a transitive
# dependency on the Urn runtime support.
propagatedBuildInputs = [ urn-rt ];
makeFlags = ["-B"];
installPhase = ''
mkdir -p $out/bin $out/lib
install -m 0755 bin/urn.lua $out/bin/urn
cp -r lib $out/lib/urn
wrapProgram $out/bin/urn \
--add-flags "-i $out/lib/urn --prelude $out/lib/urn/prelude.lisp" \
--add-flags "${concatMapStringsSep " " (x: "-i ${x.libraryPath}") extraLibraries}" \
--prefix PATH : ${urn-rt}/bin/ \
--prefix LD_LIBRARY_PATH : ${urn-rt}/lib/
'';
meta = with stdenv.lib; {
homepage = https://urn-lang.com;
description = "Yet another Lisp variant which compiles to Lua";
license = licenses.bsd3;
maintainers = with maintainers; [ CrazedProgrammer ];
};
passthru = {
inherit urn-rt;
};
}