From eb26bce6dd1b4b7a79cdbd9011251e6101bed60d Mon Sep 17 00:00:00 2001
From: Alberto Mardegan <mardy@users.sourceforge.net>
Date: Thu, 9 Apr 2020 00:22:41 +0300
Subject: [PATCH] qtbase: use dynamic configuration of OpenGL backend

This turns on the fallback behavior introduced in Qt 5.4 and described
in

https://www.qt.io/blog/2014/11/27/qt-weekly-21-dynamic-opengl-implementation-loading-in-qt-5-4

This is how Qt builds its official packages.
---
 src/qtbase.mk | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/qtbase.mk b/src/qtbase.mk
index 69b85c72..900929eb 100644
--- a/src/qtbase.mk
+++ b/src/qtbase.mk
@@ -9,7 +9,7 @@ $(PKG)_CHECKSUM := 33960404d579675b7210de103ed06a72613bfc4305443e278e2d32a3eb1f3
 $(PKG)_SUBDIR   := $(PKG)-everywhere-src-$($(PKG)_VERSION)
 $(PKG)_FILE     := $(PKG)-everywhere-src-$($(PKG)_VERSION).tar.xz
 $(PKG)_URL      := https://download.qt.io/official_releases/qt/5.15/$($(PKG)_VERSION)/submodules/$($(PKG)_FILE)
-$(PKG)_DEPS     := cc dbus fontconfig freetds freetype harfbuzz jpeg libmysqlclient libpng openssl pcre2 postgresql sqlite zlib zstd $(BUILD)~zstd
+$(PKG)_DEPS     := cc dbus fontconfig freetds freetype harfbuzz jpeg libmysqlclient libpng mesa openssl pcre2 postgresql sqlite zlib zstd $(BUILD)~zstd
 $(PKG)_DEPS_$(BUILD) :=
 $(PKG)_TARGETS  := $(BUILD) $(MXE_TARGETS)
 
@@ -44,7 +44,7 @@ define $(PKG)_BUILD
             $(if $(BUILD_STATIC), -static,)$(if $(BUILD_SHARED), -shared,) \
             -prefix '$(PREFIX)/$(TARGET)/qt5' \
             -no-icu \
-            -opengl desktop \
+            -opengl dynamic \
             -no-glib \
             -accessibility \
             -nomake examples \