Add upstream patch that removes deprectated AGL linking

This no longer available on macOS 26 Tahoe and not used anyway.

Author: daschuer

overlay/ports/qtbase/portfile.cmake

@@ -23,6 +23,7 @@ set(${PORT}_PATCHES
         fix_deploy_windows.patch
         fix-link-lib-discovery.patch
         macdeployqt-symlinks.patch
+        remove-agl-linking.patch
 )
 
 if(VCPKG_TARGET_IS_WINDOWS AND NOT VCPKG_TARGET_IS_MINGW)

overlay/ports/qtbase/remove-agl-linking.patch

@@ -0,0 +1,57 @@
+From cdb33c3d5621ce035ad6950c8e2268fe94b73de5 Mon Sep 17 00:00:00 2001
+From: Tor Arne Vestbø <[email protected]>
+Date: Tue, 10 Jun 2025 06:46:30 -0700
+Subject: [PATCH] macOS: Remove linkage to AGL framework
+
+It's no longer available on macOS 26, and we don't use it anymore
+anyways.
+
+Pick-to: 6.10 6.9 6.8 6.5
+Change-Id: Ia1d0e37dda177f333646e598e517f4af20215dad
+Reviewed-by: Alexandru Croitor <[email protected]>
+---
+
+diff --git a/cmake/FindWrapOpenGL.cmake b/cmake/FindWrapOpenGL.cmake
+index 7295a15..fe73ab7 100644
+--- a/cmake/FindWrapOpenGL.cmake
++++ b/cmake/FindWrapOpenGL.cmake
+@@ -37,16 +37,7 @@
+             set(__opengl_fw_path "-framework OpenGL")
+         endif()
+ 
+-        find_library(WrapOpenGL_AGL NAMES AGL)
+-        if(WrapOpenGL_AGL)
+-            set(__opengl_agl_fw_path "${WrapOpenGL_AGL}")
+-        endif()
+-        if(NOT __opengl_agl_fw_path)
+-            set(__opengl_agl_fw_path "-framework AGL")
+-        endif()
+-
+         target_link_libraries(WrapOpenGL::WrapOpenGL INTERFACE ${__opengl_fw_path})
+-        target_link_libraries(WrapOpenGL::WrapOpenGL INTERFACE ${__opengl_agl_fw_path})
+     else()
+         target_link_libraries(WrapOpenGL::WrapOpenGL INTERFACE OpenGL::GL)
+     endif()
+diff --git a/mkspecs/common/mac.conf b/mkspecs/common/mac.conf
+index 61bea95..9ba38d99 100644
+--- a/mkspecs/common/mac.conf
++++ b/mkspecs/common/mac.conf
+@@ -18,8 +18,7 @@
+ 
+ # sdk.prf will prefix the proper SDK sysroot
+ QMAKE_INCDIR_OPENGL     = \
+-    /System/Library/Frameworks/OpenGL.framework/Headers \
+-    /System/Library/Frameworks/AGL.framework/Headers/
++    /System/Library/Frameworks/OpenGL.framework/Headers
+ 
+ QMAKE_FIX_RPATH         = install_name_tool -id
+ 
+@@ -30,7 +29,7 @@
+ QMAKE_REL_RPATH_BASE    = @loader_path
+ 
+ QMAKE_LIBS_DYNLOAD      =
+-QMAKE_LIBS_OPENGL       = -framework OpenGL -framework AGL
++QMAKE_LIBS_OPENGL       = -framework OpenGL
+ QMAKE_LIBS_THREAD       =
+ 
+ QMAKE_INCDIR_WAYLAND    =

overlay/ports/qtbase/vcpkg.json

@@ -1,6 +1,7 @@
 {
   "name": "qtbase",
   "version": "6.8.3",
+  "port-version": 1,
   "description": "Qt Base (Core, Gui, Widgets, Network, ...)",
   "homepage": "https://www.qt.io/",
   "license": null,