1 files changed, 32 insertions, 0 deletions
diff --git a/pkgs/development/ocaml-modules/zarith/default.nix b/pkgs/development/ocaml-modules/zarith/default.nix
new file mode 100644
index 00000000000..10ac88bcb90
--- /dev/null
+++ b/pkgs/development/ocaml-modules/zarith/default.nix
@@ -0,0 +1,32 @@
+{ stdenv, fetchurl, ocaml, findlib, pkgconfig, gmp, perl }:
+
+let
+  ocaml_version = (builtins.parseDrvName ocaml.name).version;
+in
+stdenv.mkDerivation rec {
+  name = "zarith-${version}";
+  version = "1.2.1";
+
+  src = fetchurl {
+    url = "http://forge.ocamlcore.org/frs/download.php/1199/${name}.tgz";
+    sha256 = "0i21bsx41br0jgw8xmlpnky5zamzqkpbykrq0z53z7ar77602s4i";
+  };
+
+  buildInputs = [ ocaml findlib pkgconfig gmp perl ];
+
+  patchPhase = ''
+    substituteInPlace ./z_pp.pl --replace '/usr/bin/perl' '${perl}/bin/perl'
+  '';
+  configurePhase = ''
+    ./configure -installdir $out/lib/ocaml/${ocaml_version}/site-lib
+  '';
+  preInstall = "mkdir -p $out/lib/ocaml/${ocaml_version}/site-lib";
+
+  meta = {
+    description = "fast, arbitrary precision OCaml integers";
+    homepage    = "http://forge.ocamlcore.org/projects/zarith";
+    license     = stdenv.lib.licenses.lgpl2;
+    platforms   = ocaml.meta.platforms;
+    maintainers = [ stdenv.lib.maintainers.thoughtpolice ];
+  };
+}