From 125c7a4ef53def6ffb1a06852e47a64a796e5577 Mon Sep 17 00:00:00 2001
From: Ryan Burns <rtburns@protonmail.com>
Date: Sun, 5 Sep 2021 16:54:02 -0700
Subject: [PATCH] ocamlPackages.erm_xmpp: fix build

Add missing pre/post hooks - preConfigure is now required,
as findlib sets a necessary preConfigure hook
---
 .../ocaml-modules/erm_xmpp/default.nix         | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/ocaml-modules/erm_xmpp/default.nix b/pkgs/development/ocaml-modules/erm_xmpp/default.nix
index cff155f47098b8..9eaad7575ec309 100644
--- a/pkgs/development/ocaml-modules/erm_xmpp/default.nix
+++ b/pkgs/development/ocaml-modules/erm_xmpp/default.nix
@@ -16,9 +16,21 @@ stdenv.mkDerivation rec {
   buildInputs = [ ocaml findlib ocamlbuild camlp4 ];
   propagatedBuildInputs = [ erm_xml mirage-crypto mirage-crypto-rng base64 ];
 
-  configurePhase = "ocaml setup.ml -configure --prefix $out";
-  buildPhase = "ocaml setup.ml -build";
-  installPhase = "ocaml setup.ml -install";
+  configurePhase = ''
+    runHook preConfigure
+    ocaml setup.ml -configure --prefix $out
+    runHook postConfigure
+  '';
+  buildPhase = ''
+    runHook preBuild
+    ocaml setup.ml -build
+    runHook postBuild
+  '';
+  installPhase = ''
+    runHook preInstall
+    ocaml setup.ml -install
+    runHook postInstall
+  '';
 
   createFindlibDestdir = true;