Add an Qt upstream patch that removes deprectated AGL linking.

overlay/ports/qtbase/GLIB2-static.patch

@@ -0,0 +1,75 @@
+diff --git a/cmake/3rdparty/extra-cmake-modules/find-modules/FindGLIB2.cmake b/cmake/3rdparty/extra-cmake-modules/find-modules/FindGLIB2.cmake
+index 24a194c..91c8e41 100644
+--- a/cmake/3rdparty/extra-cmake-modules/find-modules/FindGLIB2.cmake
++++ b/cmake/3rdparty/extra-cmake-modules/find-modules/FindGLIB2.cmake
+@@ -95,6 +95,18 @@ find_library(GLIB2_GIO_LIBRARIES
+              HINTS ${PC_GIO_LIBDIR}
+ )
+
++pkg_check_modules(PC_GMODULE QUIET gmodule-2.0)
++
++find_path(GLIB2_GMODULE_INCLUDE_DIRS
++          NAMES gmodule.h
++          HINTS ${PC_GMODULE}
++          PATH_SUFFIXES glib-2.0)
++
++find_library(GLIB2_GMODULE_LIBRARIES
++             NAMES gmodule-2.0
++             HINTS ${PC_GMODULE}
++)
++
+ # search the glibconfig.h include dir under the same root where the library is found
+ get_filename_component(glib2LibDir "${GLIB2_LIBRARIES}" PATH)
+
+@@ -126,6 +138,11 @@ if(GLIB2_GIO_LIBRARIES AND GLIB2_GIO_INCLUDE_DIRS)
+   set(GLIB2_GIO_FOUND TRUE)
+ endif()
+
++if(GLIB2_GMODULE_LIBRARIES AND GLIB2_GMODULE_INCLUDE_DIRS)
++  set(GLIB2_GMODULE_FOUND TRUE)
++endif()
++
++
+ include(FindPackageHandleStandardArgs)
+ find_package_handle_standard_args(GLIB2
+                                   REQUIRED_VARS GLIB2_LIBRARIES GTHREAD2_LIBRARIES GLIB2_INCLUDE_DIRS
+@@ -137,6 +154,16 @@ if(GLIB2_FOUND AND NOT TARGET GLIB2::GLIB2)
+                         IMPORTED_LOCATION "${GLIB2_LIBRARIES}"
+                         INTERFACE_LINK_LIBRARIES "${GTHREAD2_LIBRARIES}"
+                         INTERFACE_INCLUDE_DIRECTORIES "${GLIB2_INCLUDE_DIRS}")
++    #vcpkg specific
++    pkg_check_modules(PC_PCRE2_8BIT QUIET libpcre2-8)
++    find_library(PCRE2_8BIT_LIBRARIES
++                 NAMES pcre2-8
++                 HINTS ${PC_PCRE2_8BIT}
++    )
++    target_link_libraries(GLIB2::GLIB2 INTERFACE ${PCRE2_8BIT_LIBRARIES})
++    find_package(Iconv)
++    find_package(Intl)
++    target_link_libraries(GLIB2::GLIB2 INTERFACE Intl::Intl Iconv::Iconv)
+ endif()
+
+ if(GLIB2_GOBJECT_FOUND AND NOT TARGET GLIB2::GOBJECT)
+@@ -153,12 +180,21 @@ if(GLIB2_GIO_FOUND AND NOT TARGET GLIB2::GIO)
+                         INTERFACE_INCLUDE_DIRECTORIES "${GLIB2_GIO_INCLUDE_DIRS}")
+ endif()
+
++if(GLIB2_GMODULE_FOUND AND NOT TARGET GLIB2::GMODULE)
++  add_library(GLIB2::GMODULE UNKNOWN IMPORTED)
++  set_target_properties(GLIB2::GMODULE PROPERTIES
++                        IMPORTED_LOCATION "${GLIB2_GMODULE_LIBRARIES}"
++                        INTERFACE_INCLUDE_DIRECTORIES "${GLIB2_GMODULE_INCLUDE_DIRS}")
++endif()
++
++
+ mark_as_advanced(GLIB2_INCLUDE_DIRS GLIB2_INCLUDE_DIR
+                  GLIB2_LIBRARIES GLIB2_LIBRARY
+                  GLIB2_GOBJECT_INCLUDE_DIRS GLIB2_GOBJECT_INCLUDE_DIR
+                  GLIB2_GOBJECT_LIBRARIES GLIB2_GOBJECT_LIBRARY
+                  GLIB2_GIO_INCLUDE_DIRS GLIB2_GIO_INCLUDE_DIR
+-                 GLIB2_GIO_LIBRARIES GLIB2_GIO_LIBRARY)
++                 GLIB2_GIO_LIBRARIES GLIB2_GIO_LIBRARY
++                 GLIB2_GMODULE_LIBRARIES GLIB2_GMODULE_INCLUDE_DIRS)
+
+ include(FeatureSummary)
+ set_package_properties(GLIB2 PROPERTIES

overlay/ports/qtbase/allow_outside_prefix.patch

@@ -0,0 +1,17 @@
+diff --git a/cmake/QtBuildPathsHelpers.cmake b/cmake/QtBuildPathsHelpers.cmake
+index bd186c28b..2c1994d2e 100644
+--- a/cmake/QtBuildPathsHelpers.cmake
++++ b/cmake/QtBuildPathsHelpers.cmake
+@@ -141,11 +141,9 @@ function(qt_configure_process_path name default docstring)
+     elseif(rel_path MATCHES "^\.\./")
+         # INSTALL_SYSCONFDIR is allowed to be outside the prefix.
+         if(NOT name STREQUAL "INSTALL_SYSCONFDIR")
+-            message(FATAL_ERROR
+-                "Path component '${name}' is outside computed install prefix: ${rel_path} ")
+         endif()
+         # Keep the absolute path.
+         set(new_value "${${name}}")
+     else()
+         # Use the canonicalized path.
+         set(new_value "${rel_path}")
+

overlay/ports/qtbase/clang-cl_QGADGET_fix.diff

@@ -0,0 +1,38 @@
+diff --git a/src/corelib/kernel/qmetatype.h b/src/corelib/kernel/qmetatype.h
+index e40cd85..ba68a01 100644
+--- a/src/corelib/kernel/qmetatype.h
++++ b/src/corelib/kernel/qmetatype.h
+@@ -18,6 +18,7 @@
+ #include <QtCore/qscopeguard.h>
+ #include <QtCore/qttypetraits.h>
+
++#include <type_traits>
+ #include <array>
+ #include <new>
+ #include <vector>
+@@ -826,7 +829,13 @@
+     struct IsGadgetHelper { enum { IsRealGadget = false, IsGadgetOrDerivedFrom = false }; };
+
+     template<typename T>
++#if defined(__clang__) && (__clang_major__ > 11)
++    // Clang does not reject T::QtGadgetHelper as ambiguous if a class inherits from two QGADGETS
++    // but is not a QGADGET itself
++    struct IsGadgetHelper<T, std::void_t<typename T::QtGadgetHelper, decltype(&T::qt_check_for_QGADGET_macro)>>
++#else
+     struct IsGadgetHelper<T, typename T::QtGadgetHelper>
++#endif
+     {
+         template <typename X>
+         static char checkType(void (X::*)());
+@@ -841,7 +850,11 @@
+     struct IsPointerToGadgetHelper { enum { IsRealGadget = false, IsGadgetOrDerivedFrom = false }; };
+
+     template<typename T>
++#if defined(__clang__) && (__clang_major__ > 11)
++    struct IsPointerToGadgetHelper<T*, std::void_t<typename T::QtGadgetHelper, decltype(&T::qt_check_for_QGADGET_macro)>>
++#else
+     struct IsPointerToGadgetHelper<T*, typename T::QtGadgetHelper>
++#endif
+     {
+         using BaseType = T;
+         template <typename X>

overlay/ports/qtbase/clang-cl_source_location.patch

@@ -0,0 +1,14 @@
+diff --git a/src/corelib/kernel/qproperty.h b/src/corelib/kernel/qproperty.h
+index 823b2057b..4a8cd4fa8 100644
+--- a/src/corelib/kernel/qproperty.h
++++ b/src/corelib/kernel/qproperty.h
+@@ -16,8 +16,8 @@
+
+ #include <QtCore/qpropertyprivate.h>
+
+-#if __has_include(<source_location>) && __cplusplus >= 202002L && !defined(Q_QDOC)
++#if __has_include(<source_location>) && __cplusplus >= 202002L && !defined(Q_QDOC) && ( (defined(__cpp_consteval) && defined(_MSC_VER)) || !defined(_MSC_VER) )
+ #include <source_location>
+ #if defined(__cpp_lib_source_location)
+ #define QT_SOURCE_LOCATION_NAMESPACE std
+ #define QT_PROPERTY_COLLECT_BINDING_LOCATION

overlay/ports/qtbase/cmake/qt_install_copyright.cmake

@@ -0,0 +1,27 @@
+include_guard(GLOBAL)
+
+#Could probably be the beginning of a vcpkg_install_copyright?
+function(qt_install_copyright SOURCE_PATH)
+    #Find the relevant license file and install it
+    if(EXISTS "${SOURCE_PATH}/LICENSE.LGPLv3")
+        set(LICENSE_PATH "${SOURCE_PATH}/LICENSE.LGPLv3")
+    elseif(EXISTS "${SOURCE_PATH}/LICENSE.LGPL3")
+        set(LICENSE_PATH "${SOURCE_PATH}/LICENSE.LGPL3")
+    elseif(EXISTS "${SOURCE_PATH}/LICENSE.GPLv3")
+        set(LICENSE_PATH "${SOURCE_PATH}/LICENSE.GPLv3")
+    elseif(EXISTS "${SOURCE_PATH}/LICENSE.GPL3")
+        set(LICENSE_PATH "${SOURCE_PATH}/LICENSE.GPL3")
+    elseif(EXISTS "${SOURCE_PATH}/LICENSE.GPL3-EXCEPT")
+        set(LICENSE_PATH "${SOURCE_PATH}/LICENSE.GPL3-EXCEPT")
+    elseif(EXISTS "${SOURCE_PATH}/LICENSE.FDL")
+        set(LICENSE_PATH "${SOURCE_PATH}/LICENSE.FDL")
+    endif()
+    if(LICENSE_PATH)
+        file(INSTALL "${LICENSE_PATH}" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}" RENAME copyright)
+    elseif(EXISTS "${SOURCE_PATH}/LICENSES")
+        file(GLOB LICENSES "${SOURCE_PATH}/LICENSES/*")
+        vcpkg_install_copyright(FILE_LIST ${LICENSES})
+    else()
+        message(WARNING "No license/copyright file found!")
+    endif()
+endfunction()