patch of sexplib for compatibility with ocaml 4.00.0.

pkgs/development/ocaml-modules/sexplib/default.nix

@@ -8,7 +8,7 @@ stdenv.mkDerivation {
     sha256 = "b1022da052254581aae51fb634345920364439f715a2c786abcd0b828c2ce697";
   };
 
-  patches = [ ./sexp-3.10-compat.patch ];
+  patches = [ ./sexp-3.10-compat.patch ./sexplib-7.0.5-patch-ocamlbuild-ocaml4.patch ];
   buildInputs = [ocaml findlib ocaml_typeconv ];
 
   createFindlibDestdir = true;

pkgs/development/ocaml-modules/sexplib/sexplib-7.0.5-patch-ocamlbuild-ocaml4.patch

@@ -0,0 +1,29 @@
+Patch from the fedora repository.
+
+--- sexplib-7.0.5.old/myocamlbuild.ml	2012-03-20 16:41:54.000000000 +0000
++++ sexplib-7.0.5/myocamlbuild.ml	2012-07-30 11:38:21.829869635 +0100
+@@ -438,7 +438,13 @@
+                    BaseEnvLight.var_choose cond_specs env
+                  in
+                    flag tags & spec)
+-              t.flags
++              t.flags;
++
++            flag ["ocaml"; "compile"; "byte"; "use_toploop"] (S[A"-I"; A"+compiler-libs"]);
++            flag ["ocaml"; "link"; "byte"; "use_toploop"] (S[A"-I"; A"+compiler-libs"; A"+compiler-libs/ocamltoplevel.cma"]);
++            flag ["ocaml"; "compile"; "native"; "use_toploop"] (S[A"-I"; A"+compiler-libs"]);
++            flag ["ocaml"; "link"; "native"; "use_toploop"] (S[A"-I"; A"+compiler-libs"; A"+compiler-libs/ocamltoplevel.cmxa"]);
++
+         | _ -> 
+             ()
+   
+--- sexplib-7.0.5.old/_tags	2012-03-20 16:41:54.000000000 +0000
++++ sexplib-7.0.5/_tags	2012-07-30 11:37:01.749255839 +0100
+@@ -49,6 +49,7 @@
+ <lib_test/*.ml{,i}>: pkg_camlp4.extend
+ # Library sexplib_top
+ "top": include
++<top/*.ml{,i}>: use_toploop
+ # Executable sexp_test
+ "lib_test/sexp_test.byte": use_sexplib
+ "lib_test/sexp_test.byte": pkg_unix