From 0c8fe8107201dc49323e3daf6777afdf5fe348fc Mon Sep 17 00:00:00 2001
From: Hermet Park <hermet@lottiefiles.com>
Date: Thu, 20 Jun 2024 13:35:38 +0900
Subject: [PATCH] gl_engine: improve the dependency check

- dependency() works with a pkgconfig, more preferred.
- add fallback to GL library search with candididates.
---
 src/renderer/gl_engine/meson.build | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/renderer/gl_engine/meson.build b/src/renderer/gl_engine/meson.build
index 4ab14edd..cedace08 100644
--- a/src/renderer/gl_engine/meson.build
+++ b/src/renderer/gl_engine/meson.build
@@ -21,10 +21,27 @@ source_file = [
    'tvgGlTessellator.h',
 ]
 
+#find a gl library with fallbacks
 gles_dep = meson.get_compiler('cpp').find_library('GLESv3', required: false)
 
 if not gles_dep.found()
-  gles_dep = meson.get_compiler('cpp').find_library('GLESv2', required: true)
+  gles_dep = dependency('GLESv3', required: false)
+endif
+
+if not gles_dep.found()
+  gles_dep = meson.get_compiler('cpp').find_library('GLESv2', required: false)
+endif
+
+if not gles_dep.found()
+  gles_dep = dependency('GLESv2', required: false)
+endif
+
+if not gles_dep.found()
+  gles_dep = dependency('GL')
+endif
+
+if not gles_dep.found()
+  gles_dep = meson.get_compiler('cpp').find_library('GL')
 endif
 
 engine_dep += [declare_dependency(