* Upgrade hol_light to the latest svn version on google code (r57).
* Improve and semplify the mechanism for the generation of checkpointed binaries.
* Make hol to work with camlp5 and thus with recent version of ocaml (>=3.10, <=3.11).
* Remove ocaml_with_sources which is not needed anymore.
svn path=/nixpkgs/trunk/; revision=23685
Add pkgs/applications/science/logic/hol_light
and pkgs/applications/science/emacs-modes/hol_light
Some functionalities of HOL Light requires the compiled sources of
OCaml. For now we provide a new package ocaml_with_sources. After
this shuold be merged with the current version of OCaml already
present in nixpkgs.
svn path=/nixpkgs/trunk/; revision=20008
Add expression for ssreflect, an extension to the Coq Proof Assistant.
Still has some clitches (see TODO in default.nix) but is usable anyway.
svn path=/nixpkgs/trunk/; revision=18145
