From 6636dfa845f0290cc8fb7c8c59e9e33d12ef2269 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Sun, 4 Dec 2016 11:13:32 +0000
Subject: [PATCH] ocamlPackages.ocb-stubblr: init at 0.1.0

---
 .../ocaml-modules/ocb-stubblr/default.nix     | 26 +++++++++++++++++++
 .../ocb-stubblr/pkg-config.patch              | 25 ++++++++++++++++++
 pkgs/top-level/ocaml-packages.nix             |  2 ++
 3 files changed, 53 insertions(+)
 create mode 100644 pkgs/development/ocaml-modules/ocb-stubblr/default.nix
 create mode 100644 pkgs/development/ocaml-modules/ocb-stubblr/pkg-config.patch

diff --git a/pkgs/development/ocaml-modules/ocb-stubblr/default.nix b/pkgs/development/ocaml-modules/ocb-stubblr/default.nix
new file mode 100644
index 00000000000..bb4b24cec67
--- /dev/null
+++ b/pkgs/development/ocaml-modules/ocb-stubblr/default.nix
@@ -0,0 +1,26 @@
+{ stdenv, fetchzip, ocaml, findlib, ocamlbuild, opam, topkg, astring }:
+
+stdenv.mkDerivation {
+  name = "ocaml${ocaml.version}-ocb-stubblr-0.1.0";
+  src = fetchzip {
+    url = http://github.com/pqwy/ocb-stubblr/releases/download/v0.1.0/ocb-stubblr-0.1.0.tbz;
+    name = "src.tar.bz";
+    sha256 = "0hpds1lkq4j8wgslv7hnirgfrjmqi36h5rarpw9mwf24gfp5ays2";
+  };
+
+  patches = [ ./pkg-config.patch ];
+
+  buildInputs = [ ocaml findlib ocamlbuild opam topkg ];
+
+  propagatedBuildInputs = [ astring ];
+
+  inherit (topkg) buildPhase installPhase;
+
+  meta = {
+    description = "OCamlbuild plugin for C stubs";
+    homepage = https://github.com/pqwy/ocb-stubblr;
+    license = stdenv.lib.licenses.isc;
+    inherit (ocaml.meta) platforms;
+    maintainers = [ stdenv.lib.maintainers.vbgl ];
+  };
+}
diff --git a/pkgs/development/ocaml-modules/ocb-stubblr/pkg-config.patch b/pkgs/development/ocaml-modules/ocb-stubblr/pkg-config.patch
new file mode 100644
index 00000000000..d86b3f8da9f
--- /dev/null
+++ b/pkgs/development/ocaml-modules/ocb-stubblr/pkg-config.patch
@@ -0,0 +1,25 @@
+--- a/src/ocb_stubblr.ml	1970-01-01 00:00:01.000000000 +0000
++++ b/src/ocb_stubblr.ml	2016-12-04 11:10:10.000000000 +0000
+@@ -31,20 +31,9 @@
+ 
+   (* XXX Would be nice to move pkg-config results to a build artefact. *)
+ 
+-  let opam_prefix =
+-    let cmd = "opam config var prefix" in
+-    lazy ( try run_and_read cmd with Failure _ ->
+-            error_msgf "error running opam")
+-
+-  let var = "PKG_CONFIG_PATH"
+-
+-  let path () =
+-    Lazy.force opam_prefix / "lib" / "pkgconfig" ::
+-      (try [Sys.getenv var] with Not_found -> []) |> String.concat ~sep:":"
+-
+   let run ~flags package =
+-    let cmd = strf "%s=%s pkg-config %s %s 2>/dev/null"
+-              var (path ()) package (String.concat ~sep:" " flags) in
++    let cmd = strf "pkg-config %s %s 2>/dev/null"
++              package (String.concat ~sep:" " flags) in
+     try `Res (run_and_read cmd) with Failure _ -> `Nonexistent
+ end
+ 
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 91e349eede9..583cbab0b34 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -414,6 +414,8 @@ let
       minimal = false;
     };
 
+    ocb-stubblr = callPackage ../development/ocaml-modules/ocb-stubblr { };
+
     ocurl = callPackage ../development/ocaml-modules/ocurl { };
 
     pa_ounit = callPackage ../development/ocaml-modules/pa_ounit { };