From 48f289e3e38bcc0eeecdf3c9eeffbe79bd5cce7d Mon Sep 17 00:00:00 2001
From: Alyssa Ross <hi@alyssa.is>
Date: Fri, 20 Oct 2023 12:35:34 +0000
Subject: [PATCH] cogl: force linking against libGL if used

Otheriwse, if Cairo's GL backend is disabled, libGL doesn't end up in
cogl's rpath, so applications using cogl (like gthumb) will fail to
launch when they search for libGL and can't find it.
---
 pkgs/development/libraries/cogl/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/libraries/cogl/default.nix b/pkgs/development/libraries/cogl/default.nix
index 41aa3045841f..c07c8b7c1501 100644
--- a/pkgs/development/libraries/cogl/default.nix
+++ b/pkgs/development/libraries/cogl/default.nix
@@ -53,6 +53,9 @@ stdenv.mkDerivation rec {
     "--enable-wayland-egl-server"
     "--enable-gles1"
     "--enable-gles2"
+    # Force linking against libGL.
+    # Otherwise, it tries to load it from the runtime library path.
+    "LIBS=-lGL"
   ] ++ lib.optionals stdenv.isDarwin [
     "--disable-glx"
     "--without-x"