heptagon: refactor

pkgs/development/compilers/heptagon/default.nix

@@ -5,31 +5,34 @@
 , ocamlPackages
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "heptagon";
   version = "1.05.00";
 
   src = fetchFromGitLab {
     domain = "gitlab.inria.fr";
     owner = "synchrone";
-    repo = pname;
-    rev = "v${version}";
-    sha256 = "sha256-b4O48MQT3Neh8a1Z5wRgS701w6XrwpsbSMprlqTT+CE=";
+    repo = "heptagon";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-b4O48MQT3Neh8a1Z5wRgS701w6XrwpsbSMprlqTT+CE=";
   };
 
-  nativeBuildInputs = [
+  strictDeps = true;
+
+  nativeBuildInputs = with ocamlPackages; [
+    camlp4
+    findlib
     makeWrapper
+    menhir
+    ocaml
+    ocamlbuild
   ];
 
   buildInputs = with ocamlPackages; [
-    ocaml
-    findlib
-    menhir
+    camlp4
+    lablgtk
     menhirLib
     ocamlgraph
-    camlp4
-    ocamlbuild
-    lablgtk
   ];
 
   # the heptagon library in lib/heptagon is not executable
@@ -48,5 +51,6 @@ stdenv.mkDerivation rec {
     license = licenses.gpl3Plus;
     maintainers = with maintainers; [ wegank ];
     mainProgram = "heptc";
+    platforms = platforms.unix;
   };
-}
+})