nixpkgs/pkgs/development/interpreters/clips/default.nix

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{ stdenv, fetchurl }:
stdenv.mkDerivation rec {
version = "6.30";
name = "clips-${version}";
src = fetchurl {
url = "mirror://sourceforge/clipsrules/CLIPS/6.30/clips_core_source_630.tar.Z";
sha256 = "1r0m59l3mk9cwzq3nmyr5qxrlkzp3njls4hfv8ml85dmqh7n3ysy";
};
buildPhase = ''
make -C core -f ../makefiles/makefile.gcc
'';
installPhase = ''
install -D -t $out/bin core/clips
'';
meta = with stdenv.lib; {
description = "A Tool for Building Expert Systems";
homepage = http://www.clipsrules.net/;
longDescription = ''
Developed at NASA's Johnson Space Center from 1985 to 1996,
CLIPS is a rule-based programming language useful for creating
expert systems and other programs where a heuristic solution is
easier to implement and maintain than an algorithmic solution.
'';
license = licenses.publicDomain;
maintainers = [maintainers.league];
platforms = platforms.linux;
};
}