From 032f6c6f936589f3020ffc303dea4c566bfd281f Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Fri, 4 Aug 2023 18:25:08 +0200
Subject: [PATCH] =?UTF-8?q?ocamlPackages.camlp5:=207.14=20=E2=86=92=208.00?=
 =?UTF-8?q?.05?=
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---
 .../tools/ocaml/camlp5/default.nix            | 56 ++++++++++++++-----
 1 file changed, 41 insertions(+), 15 deletions(-)

diff --git a/pkgs/development/tools/ocaml/camlp5/default.nix b/pkgs/development/tools/ocaml/camlp5/default.nix
index 9d81c46e20c9..a09f226b3f13 100644
--- a/pkgs/development/tools/ocaml/camlp5/default.nix
+++ b/pkgs/development/tools/ocaml/camlp5/default.nix
@@ -1,31 +1,57 @@
-{ lib, stdenv, fetchFromGitHub, ocaml, perl }:
+{ lib, stdenv, fetchFromGitHub, ocaml, findlib, perl, makeWrapper
+, rresult, bos, ocaml_pcre, re, camlp-streams
+}:
 
 if lib.versionOlder ocaml.version "4.02"
-|| lib.versionOlder "4.13" ocaml.version
 then throw "camlp5 is not available for OCaml ${ocaml.version}"
 else
 
-stdenv.mkDerivation rec {
+let params =
+  if lib.versionAtLeast ocaml.version "4.12"
+  then rec {
+    version = "8.00.05";
 
-  pname = "camlp5";
-  version = "7.14";
+    src = fetchFromGitHub {
+      owner = "camlp5";
+      repo = "camlp5";
+      rev = version;
+      hash = "sha256-Havr3RB6iUP7QzV+LUGwMHtGzmRdS5RqYsqJ0N5w6gE=";
+    };
 
-  src = fetchFromGitHub {
-    owner = "camlp5";
-    repo = "camlp5";
-    rev = "rel${builtins.replaceStrings [ "." ] [ "" ] version}";
-    sha256 = "1dd68bisbpqn5lq2pslm582hxglcxnbkgfkwhdz67z4w9d5nvr7w";
-  };
+    nativeBuildInputs = [ makeWrapper ocaml findlib perl ];
+    buildInputs = [ bos ocaml_pcre re rresult ];
+    propagatedBuildInputs = [ camlp-streams ];
+
+    postFixup = ''
+      for p in camlp5 camlp5o camlp5r camlp5sch mkcamlp5 ocpp5
+      do
+        wrapProgram $out/bin/$p \
+        --suffix CAML_LD_LIBRARY_PATH : ${ocaml_pcre}/lib/ocaml/${ocaml.version}/site-lib/stublibs
+      done
+    '';
+  } else rec {
+    version = "7.14";
+    src = fetchFromGitHub {
+      owner = "camlp5";
+      repo = "camlp5";
+      rev = "rel${builtins.replaceStrings [ "." ] [ "" ] version}";
+      sha256 = "1dd68bisbpqn5lq2pslm582hxglcxnbkgfkwhdz67z4w9d5nvr7w";
+    };
+    nativeBuildInputs = [ ocaml perl ];
+  }
+; in
+
+stdenv.mkDerivation (params // {
+
+  pname = "ocaml${ocaml.version}-camlp5";
 
   strictDeps = true;
 
-  nativeBuildInputs = [ ocaml perl ];
-
   prefixKey = "-prefix ";
 
   preConfigure = ''
     configureFlagsArray=(--strict --libdir $out/lib/ocaml/${ocaml.version}/site-lib)
-    patchShebangs ./config/find_stuffversion.pl
+    patchShebangs ./config/find_stuffversion.pl etc/META.pl
   '';
 
   buildFlags = [ "world.opt" ];
@@ -45,4 +71,4 @@ stdenv.mkDerivation rec {
       maggesi vbgl
     ];
   };
-}
+})