gnu: Add omake.

* gnu/packages/ocaml.scm (omake): New variable.
* gnu/packages/patches/omake-fix-non-determinism.patch: New file.
* gnu/local.mk (dist_patch_DATA): New patch.

gnu/local.mk

@@ -778,6 +778,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/ocaml-CVE-2015-8869.patch		\
   %D%/packages/patches/ocaml-Add-a-.file-directive.patch	\
   %D%/packages/patches/ocaml-findlib-make-install.patch	\
+  %D%/packages/patches/omake-fix-non-determinism.patch	\
   %D%/packages/patches/ola-readdir-r.patch			\
   %D%/packages/patches/openexr-missing-samples.patch		\
   %D%/packages/patches/openjpeg-CVE-2016-5157.patch		\

gnu/packages/ocaml.scm

@@ -1752,3 +1752,47 @@ whole files into OCaml string or string list.  The code generated can be
 compiled as a standard OCaml file.  It allows embedding external resources as
 OCaml code.")
     (license license:lgpl2.1+))); with the OCaml static compilation exception
+
+(define-public omake
+  (package
+    (name "omake")
+    (version "0.10.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "http://download.camlcity.org/download/"
+                                  "omake-" version ".tar.gz"))
+              (sha256
+               (base32
+                "093ansbppms90hiqvzar2a46fj8gm9iwnf8gn38s6piyp70lrbsj"))
+              (patches (search-patches "omake-fix-non-determinism.patch"))))
+    (build-system ocaml-build-system)
+    (arguments
+     `(#:make-flags
+       (list (string-append "PREFIX=" (assoc-ref %outputs "out")))
+       #:tests? #f ; no test target
+       #:phases
+       (modify-phases %standard-phases
+         (add-before 'configure 'fix-makefile
+                     (lambda* (#:key outputs #:allow-other-keys)
+                       (substitute* "mk/osconfig_unix.mk"
+                                    (("CC = cc") "CC = gcc")))))))
+    (native-inputs `(("hevea" ,hevea)))
+    (home-page "http://projects.camlcity.org/projects/omake.html")
+    (synopsis "Build system designed for scalability and portability")
+    (description "Similar to make utilities you may have used, but it features
+many additional enhancements, including:
+
+@enumerate
+@item Support for projects spanning several directories or directory hierarchies.
+@item Fast, reliable, automated, scriptable dependency analysis using MD5 digests,
+      with full support for incremental builds.
+@item Dependency analysis takes the command lines into account — whenever the
+      command line used to build a target changes, the target is considered
+      out-of-date.
+@item Fully scriptable, includes a library that providing support for standard
+      tasks in C, C++, OCaml, and LaTeX projects, or a mixture thereof.
+@end enumerate")
+    (license (list license:lgpl2.1 ; libmojave
+                   license:expat ; OMake scripts
+                   license:gpl2)))) ; OMake itself, with ocaml linking exception
+                                    ; see LICENSE.OMake

gnu/packages/patches/omake-fix-non-determinism.patch

@@ -0,0 +1,41 @@
+From 2e7e254160506dc00f1beabf170512a8e932934b Mon Sep 17 00:00:00 2001
+From: Julien Lepiller <julien@lepiller.eu>
+Date: Sat, 31 Dec 2016 15:43:38 +0100
+Subject: [PATCH] fix build date in binary
+
+---
+ src/magic/omake_gen_magic.ml | 12 ++----------
+ 1 file changed, 2 insertions(+), 10 deletions(-)
+
+diff --git a/src/magic/omake_gen_magic.ml b/src/magic/omake_gen_magic.ml
+index b2419ba..fad52f5 100644
+--- a/src/magic/omake_gen_magic.ml
++++ b/src/magic/omake_gen_magic.ml
+@@ -150,7 +150,7 @@ let ir_magic = "%s"
+ let obj_magic = "%s"
+ let lib_dir = "%s"
+ let version = "%s"
+-let version_message = "OMake %s:\\n\\tbuild [%s %s %d %02d:%02d:%02d %d]\\n\\ton %s"
++let version_message = "OMake %s"
+ |}
+        default_save_interval
+        digest_len
+@@ -160,15 +160,7 @@ let version_message = "OMake %s:\\n\\tbuild [%s %s %d %02d:%02d:%02d %d]\\n\\ton
+        (digest_files ".omo.magic" ".omo" omo_files)
+        (String.escaped libdir)
+        (String.escaped (shorten_version version))
+-       (String.escaped version)
+-       [|"Sun"; "Mon"; "Tue"; "Wed"; "Thu"; "Fri"; "Sat"|].(tm.tm_wday)
+-       [|"Jan"; "Feb"; "Mar"; "Apr"; "May"; "Jun"; "Jul"; "Aug"; "Sep"; "Oct"; "Nov"; "Dec"|].(tm.tm_mon)
+-       tm.tm_mday
+-       tm.tm_hour
+-       tm.tm_min
+-       tm.tm_sec
+-       (tm.tm_year + 1900)
+-       (String.escaped (Unix.gethostname ()));
++       (String.escaped version);
+   List.iter
+     (fun (name,value) ->
+        Printf.fprintf buf "let %s = %S\n" name value
+--
+2.11.0