nixpkgs: add alt-ergo 0.95.2

Signed-off-by: Austin Seipp <[e-mail]>

lib/licenses.nix

···
     fullName  = "Sleepycat Public License";
     url       = "https://en.wikipedia.org/wiki/Sleepycat_License";
   };
+
+  cecill-c = {
+    shortName = "CeCILL-C";
+    fullName  = "CEA CNRS INRIA Logiciel Libre";
+    url       = "http://www.cecill.info/licences.en.html";
+  };
 }

pkgs/applications/science/logic/alt-ergo/default.nix

···
+{ fetchurl, stdenv, ocaml, ocamlPackages, gmp }:
+
+stdenv.mkDerivation rec {
+  name = "alt-ergo-${version}";
+  version = "0.95.2";
+
+  src = fetchurl {
+    url    = "http://alt-ergo.ocamlpro.com/download_manager.php?target=${name}.tar.gz";
+    name   = "${name}.tar.gz";
+    sha256 = "1b7f0rh3jgm67g0x2m3wv7gnnqmz9cjlrfm136z56ihlkhsd8v2s";
+  };
+
+  buildInputs = with ocamlPackages;
+    [ ocaml findlib ocamlgraph zarith lablgtk gmp ];
+
+  meta = {
+    description = "Alt-Ergo is a high-performance theorem prover and SMT solver";
+    homepage    = "http://alt-ergo.ocamlpro.com/";
+    license     = stdenv.lib.licenses.cecill-c; # LGPL-2 compatible
+    platforms   = stdenv.lib.platforms.linux;
+    maintainers = [ stdenv.lib.maintainers.thoughtpolice ];
+  };
+}

pkgs/top-level/all-packages.nix

···
 
   ### SCIENCE/LOGIC
 
+  alt-ergo = callPackage ../applications/science/logic/alt-ergo {};
+
   coq = callPackage ../applications/science/logic/coq {
     inherit (ocamlPackages) findlib lablgtk;
     camlp5 = ocamlPackages.camlp5_transitional;