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{ lib, fetchFromGitHub, makeWrapper, clang, haskellPackages }:
haskellPackages.mkDerivation rec {
pname = "carp";
version = "0.5.4";
src = fetchFromGitHub {
owner = "carp-lang";
repo = "Carp";
rev = "v${version}";
sha256 = "sha256-o7NLd7jC1BvcoVzbD18LvHg/SqOnfn9yELUrpg2uZtY=";
};
# -Werror breaks build with GHC >= 9.0
# https://github.com/carp-lang/Carp/issues/1386
postPatch = ''
substituteInPlace CarpHask.cabal --replace "-Werror" ""
'';
buildTools = [ makeWrapper ];
executableHaskellDepends = with haskellPackages; [
HUnit blaze-markup blaze-html split ansi-terminal cmark
edit-distance hashable open-browser optparse-applicative
];
isExecutable = true;
# The carp executable must know where to find its core libraries and other
# files. Set the environment variable CARP_DIR so that it points to the root
# of the Carp repo. See:
# https://github.com/carp-lang/Carp/blob/master/docs/Install.md#setting-the-carp_dir
#
# Also, clang must be available run-time because carp is compiled to C which
# is then compiled with clang.
postInstall = ''
wrapProgram $out/bin/carp \
--set CARP_DIR $src \
--prefix PATH : ${clang}/bin
wrapProgram $out/bin/carp-header-parse \
--set CARP_DIR $src \
--prefix PATH : ${clang}/bin
'';
description = "A statically typed lisp, without a GC, for real-time applications";
homepage = "https://github.com/carp-lang/Carp";
license = lib.licenses.asl20;
maintainers = with lib.maintainers; [ jluttine ];
# Windows not (yet) supported.
platforms = with lib.platforms; unix ++ darwin;
}
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