isl: add 0.20

Update `isl` to use `isl_0_20`.

1 files changed, 21 insertions, 0 deletions

diff --git a/pkgs/development/libraries/isl/0.20.0.nix b/pkgs/development/libraries/isl/0.20.0.nix
new file mode 100644
index 00000000000..72ef581725b
--- /dev/null
+++ b/pkgs/development/libraries/isl/0.20.0.nix
@@ -0,0 +1,21 @@
+{ stdenv, fetchurl, gmp }:
+
+stdenv.mkDerivation rec {
+  name = "isl-0.20";
+
+  src = fetchurl {
+    url = "http://isl.gforge.inria.fr/${name}.tar.xz";
+    sha256 = "1akpgq0rbqbah5517blg2zlnfvjxfcl9cjrfc75nbcx5p2gnlnd5";
+  };
+
+  buildInputs = [ gmp ];
+
+  enableParallelBuilding = true;
+
+  meta = {
+    homepage = http://isl.gforge.inria.fr/;
+    license = stdenv.lib.licenses.lgpl21;
+    description = "A library for manipulating sets and relations of integer points bounded by linear constraints";
+    platforms = stdenv.lib.platforms.all;
+  };
+}