From 63aa105b1c1759029e229ea5d1fda08950956216 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Wed, 4 Nov 2020 07:35:52 +0100
Subject: [PATCH] ocamlPackages.apron: split into multiple outputs

---
 .../development/ocaml-modules/apron/default.nix | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/ocaml-modules/apron/default.nix b/pkgs/development/ocaml-modules/apron/default.nix
index 0da1ab74e199..79c4d8a50024 100644
--- a/pkgs/development/ocaml-modules/apron/default.nix
+++ b/pkgs/development/ocaml-modules/apron/default.nix
@@ -13,8 +13,21 @@ stdenv.mkDerivation rec {
   buildInputs = [ perl gmp mpfr ppl ocaml findlib camlidl ];
   propagatedBuildInputs = [ mlgmpidl ];
 
-  prefixKey = "-prefix ";
-  preBuild = "mkdir -p $out/lib/ocaml/${ocaml.version}/site-lib/stublibs";
+  outputs = [ "out" "bin" "dev" ];
+
+  configurePhase = ''
+    runHook preConfigure
+    ./configure -prefix $out
+    mkdir -p $out/lib/ocaml/${ocaml.version}/site-lib/stublibs
+    runHook postConfigure
+  '';
+
+  postInstall = ''
+    mkdir -p $dev/lib
+    mv $out/lib/ocaml $dev/lib/
+    mkdir -p $bin
+    mv $out/bin $bin/
+  '';
 
   meta = {
     license = stdenv.lib.licenses.lgpl21;