From 70a70727b74c532ffb303023b3eb215310948b31 Mon Sep 17 00:00:00 2001
From: "Haelwenn (lanodan) Monnier" <contact@hacktivis.me>
Date: Tue, 3 Nov 2020 09:00:51 +0100
Subject: Fallback to 'opengl' when dependency('gl') fails

This allows for imv to work on a system where libX11 is fully removed
---
 meson.build | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/meson.build b/meson.build
index 5e8acd6..73137c9 100644
--- a/meson.build
+++ b/meson.build
@@ -37,9 +37,15 @@ else
   target_single_ws = false
 endif
 
+gl_dep = dependency('gl', required: false)
+if not gl_dep.found()
+  # libglvnd fallback for pure-wayland systems
+  gl_dep = dependency('opengl')
+endif
+
 deps_for_imv = [
   dependency('pangocairo'),
-  dependency('gl'),
+  gl_dep,
   dependency('threads'),
   dependency('xkbcommon'),
   dependency('icu-io'),
-- 
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