depends: enable Linux desktop OpenGL

Author: johnny9

.github/workflows/depends-build.yml

@@ -59,6 +59,8 @@ jobs:
             build-essential \
             cmake \
             curl \
+            libgl-dev \
+            libx11-xcb-dev \
             make \
             ninja-build \
             patch \

patches/depends-Add-Qt-Qml-and-Qt-Quick-modules.patch

@@ -1,15 +1,16 @@
 From 09508f4d1c9f54f7c418ec5fd61974fd3b4176c8 Mon Sep 17 00:00:00 2001
 From: Hennadii Stepanov <32963518+hebasto@users.noreply.github.com>
 Date: Mon, 8 Jun 2026 16:33:21 +0100
-Subject: [PATCH 2/3] depends: Add Qt Qml and Qt Quick modules
+Subject: [PATCH 2/3] depends: Add Qt QML, Qt Quick, and Linux OpenGL
 
 ---
- depends/packages/native_qt.mk              | 22 +++++++++++++++---
- depends/packages/qt.mk                     | 27 +++++++++++++++++++++-
+ depends/packages/native_qt.mk              | 22 +++++++++++++++++---
+ depends/packages/qt.mk                     | 33 ++++++++++++++++++++++++++----
  depends/packages/qt_details.mk             |  6 +++++
  depends/patches/qt/qtbase_skip_tools.patch |  8 +++----
- depends/patches/qt/static_fixes.patch      | 10 ++++++++
- 5 files changed, 64 insertions(+), 9 deletions(-)
+ depends/patches/qt/static_fixes.patch      | 10 ++++++++++
+ depends/toolchain.cmake.in                 | 11 +++++++++--
+ 6 files changed, 76 insertions(+), 14 deletions(-)
 
 diff --git a/depends/packages/native_qt.mk b/depends/packages/native_qt.mk
 index 2bf088c10a..6d2aec3734 100644
@@ -118,6 +119,14 @@ index 9b7cec341d..b0f51fe437 100644
  $(package)_extra_sources += $($(package)_qttools_file_name)
 
  $(package)_top_download_path=$(qt_details_top_download_path)
+@@ -68,7 +76,6 @@ $(package)_config_opts += -no-libjpeg
+ $(package)_config_opts += -no-libproxy
+ $(package)_config_opts += -no-libudev
+ $(package)_config_opts += -no-mtdev
+-$(package)_config_opts += -no-opengl
+ $(package)_config_opts += -no-openssl
+ $(package)_config_opts += -no-openvg
+ $(package)_config_opts += -no-reduce-relocations
 @@ -127,6 +135,9 @@ $(package)_config_opts += -no-feature-macdeployqt
  $(package)_config_opts += -no-feature-qmake
  $(package)_config_opts += -no-feature-windeployqt
@@ -128,6 +137,31 @@ index 9b7cec341d..b0f51fe437 100644
  ifeq ($(host),$(build))
  # Qt Tools module.
  $(package)_config_opts += -feature-linguist
+@@ -142,14 +152,14 @@ $(package)_config_opts += -no-feature-qtplugininfo
+ endif
+ 
+ $(package)_config_opts_darwin := -no-dbus
++$(package)_config_opts_darwin += -no-opengl
+ $(package)_config_opts_darwin += -no-feature-printsupport
+ $(package)_config_opts_darwin += -no-feature-freetype
+ $(package)_config_opts_darwin += -no-pkg-config
+ 
+ $(package)_config_opts_linux := -fontconfig
++$(package)_config_opts_linux += -opengl desktop
+ $(package)_config_opts_linux += -no-feature-process
+-$(package)_config_opts_linux += -no-feature-xlib
+-$(package)_config_opts_linux += -no-xcb-xlib
+ $(package)_config_opts_linux += -pkg-config
+ $(package)_config_opts_linux += -system-freetype
+ $(package)_config_opts_linux += -xcb
+@@ -160,6 +170,7 @@ $(package)_config_opts_freebsd := $$($(package)_config_opts_linux)
+ $(package)_config_opts_freebsd += -no-feature-inotify
+ 
+ $(package)_config_opts_mingw32 := -no-dbus
++$(package)_config_opts_mingw32 += -no-opengl
+ $(package)_config_opts_mingw32 += -no-feature-freetype
+ $(package)_config_opts_mingw32 += -no-pkg-config
+ 
 @@ -224,6 +235,8 @@ endef
 
  define $(package)_fetch_cmds
@@ -176,6 +210,28 @@ index 9b7cec341d..b0f51fe437 100644
    cp $($(package)_source_dir)/$($(package)_top_cmakelists_file_name)-$($(package)_version) ./$($(package)_top_cmakelists_file_name) && \
    mkdir -p cmake && \
    cp $($(package)_source_dir)/$($(package)_top_cmake_ecmoptionaladdsubdirectory_file_name)-$($(package)_version) cmake/$($(package)_top_cmake_ecmoptionaladdsubdirectory_file_name) && \
+diff --git a/depends/toolchain.cmake.in b/depends/toolchain.cmake.in
+index 87189efa1c..fbc6dccda1 100644
+--- a/depends/toolchain.cmake.in
++++ b/depends/toolchain.cmake.in
+@@ -87,8 +87,15 @@ set(CMAKE_FIND_USE_CMAKE_ENVIRONMENT_PATH OFF)
+ 
+ set(CMAKE_FIND_ROOT_PATH "${CMAKE_CURRENT_LIST_DIR}")
+ set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+-set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+-set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
++# Linux OpenGL intentionally uses system GL and X11 libraries, so consumers
++# must be able to resolve their headers and shared libraries outside depends.
++if("@host_system_name@" STREQUAL "Linux")
++  set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY BOTH)
++  set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE BOTH)
++else()
++  set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
++  set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
++endif()
+ set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+ set(QT_TRANSLATIONS_DIR "${CMAKE_CURRENT_LIST_DIR}/translations")
+ 
 diff --git a/depends/packages/qt_details.mk b/depends/packages/qt_details.mk
 index e49ac6a287..1e7264ab1a 100644
 --- a/depends/packages/qt_details.mk
@@ -231,11 +287,11 @@ index 1ae3f5774a..317dd3608d 100644
   #define explicit dont_use_cxx_explicit
 +--- a/qtbase/src/plugins/platforms/xcb/CMakeLists.txt
 ++++ b/qtbase/src/plugins/platforms/xcb/CMakeLists.txt
-+@@ -65,6 +65,7 @@ qt_internal_add_module(XcbQpaPrivate
++@@ -65,6 +65,8 @@ qt_internal_add_module(XcbQpaPrivate
 +         XCB::XFIXES
 +         XCB::XKB
 +         XKB::XKB
 ++        $<BUILD_INTERFACE:X11::Xau>
+++        "$<LINK_ONLY:-lXau>"
 +     NO_UNITY_BUILD # X11 define clashes
 + )
-+