dependencies/qt: add support for Qt frameworks referencing includes in include directory

e.g. QtQml with Qt 6.4.0 referencing QtQmlIntegration is one such example

mesonbuild/dependencies/qt.py

@@ -105,9 +105,10 @@ def _get_modules_lib_suffix(version: str, info: 'MachineInfo', is_debug: bool) -
 
 
 class QtExtraFrameworkDependency(ExtraFrameworkDependency):
-    def __init__(self, name: str, env: 'Environment', kwargs: T.Dict[str, T.Any], language: T.Optional[str] = None):
+    def __init__(self, name: str, env: 'Environment', kwargs: T.Dict[str, T.Any], qvars: T.Dict[str, str], language: T.Optional[str] = None):
         super().__init__(name, env, kwargs, language=language)
         self.mod_name = name[2:]
+        self.qt_extra_include_directory = qvars['QT_INSTALL_HEADERS']
 
     def get_compile_args(self, with_private_headers: bool = False, qt_version: str = "0") -> T.List[str]:
         if self.found():
@@ -115,6 +116,8 @@ class QtExtraFrameworkDependency(ExtraFrameworkDependency):
             args = ['-I' + mod_inc_dir]
             if with_private_headers:
                 args += ['-I' + dirname for dirname in _qt_get_private_includes(mod_inc_dir, self.mod_name, qt_version)]
+            if self.qt_extra_include_directory:
+                args += ['-I' + self.qt_extra_include_directory]
             return args
         return []
 
@@ -361,7 +364,7 @@ class QmakeQtDependency(_QtBase, ConfigToolDependency, metaclass=abc.ABCMeta):
         for m in modules:
             fname = 'Qt' + m
             mlog.debug('Looking for qt framework ' + fname)
-            fwdep = QtExtraFrameworkDependency(fname, self.env, fw_kwargs, language=self.language)
+            fwdep = QtExtraFrameworkDependency(fname, self.env, fw_kwargs, qvars, language=self.language)
             if fwdep.found():
                 self.compile_args.append('-F' + libdir)
                 self.compile_args += fwdep.get_compile_args(with_private_headers=self.private_headers,