* Add swi-prolog without any options.

svn path=/nixpkgs/trunk/; revision=11003

pkgs/development/compilers/swi-prolog/5.6.51.nix

@@ -0,0 +1,4 @@
+args: import ./default.nix {
+  args = args;
+  sha256 = "d43862606284e659ec3acba9cddea53b772f9afb67d12aa36391d26fe1a05ad8";
+}

pkgs/development/compilers/swi-prolog/default.nix

@@ -0,0 +1,16 @@
+{args, sha256}: with args;
+
+stdenv.mkDerivation {
+  name = "swi-prolog-${version}";
+
+  src = fetchurl {
+    url = "http://gollem.science.uva.nl/cgi-bin/nph-download/SWI-Prolog/pl-${version}.tar.gz";
+    inherit sha256;
+  };
+
+  meta = {
+    homepage = http://www.swi-prolog.org/;
+    description = "A Prolog compiler and interpreter.";
+    license = "LGPL";
+  };
+}

pkgs/top-level/all-packages.nix

@@ -1684,6 +1684,12 @@ rec {
     inherit fetchurl pkgconfig stdenv aterm sdf strategoxt;
   };
 
+  swiPrologFun = lib.sumArgs (selectVersion ../development/compilers/swi-prolog "5.6.51") {
+    inherit fetchurl stdenv;
+  };
+
+  swiProlog = swiPrologFun null;
+
   transformers = import ../development/compilers/transformers {
     inherit fetchurl pkgconfig sdf;
     aterm = aterm23x;