From fd1a6a66722dd76cbe5576221aed0a9de1563931 Mon Sep 17 00:00:00 2001
From: Et7f3 <cadeaudeelie@gmail.com>
Date: Wed, 25 Jan 2023 14:17:15 +0100
Subject: [PATCH] ocamlPackages.gd4o: Support cross-compilation

Co-authored-by: Weijia Wang <9713184+wegank@users.noreply.github.com>
---
 pkgs/development/ocaml-modules/gd4o/default.nix | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/ocaml-modules/gd4o/default.nix b/pkgs/development/ocaml-modules/gd4o/default.nix
index 9923edc2e8d..cd206964856 100644
--- a/pkgs/development/ocaml-modules/gd4o/default.nix
+++ b/pkgs/development/ocaml-modules/gd4o/default.nix
@@ -12,9 +12,9 @@ stdenv.mkDerivation rec {
   buildInputs = [ ocaml findlib libjpeg libpng ];
   propagatedBuildInputs = [ gd zlib freetype ];
 
-  prePatch = ''
-    substituteInPlace Makefile --replace gcc cc
-  '';
+  makeFlags = [
+    "CC=${stdenv.cc.targetPrefix}cc"
+  ];
 
   preInstall = ''
     mkdir -p $OCAMLFIND_DESTDIR/stublibs