Add support for private module .pri files

Generate a pri file for public and private interfaces, but map CONFIG +=
internal_module to a cmake option and skip the former if set.

Task-number: QTBUG-75666
Change-Id: I3f4baf1277094f4c22149a9e8769734baf9a235f
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

34 files changed, 84 insertions, 11 deletions

diff --git a/cmake/QtBuild.cmake b/cmake/QtBuild.cmake
index 854a5f3a45..afd50c55ac 100644
--- a/cmake/QtBuild.cmake
+++ b/cmake/QtBuild.cmake
@@ -294,20 +294,28 @@ function(qt_set_up_developer_build)
 endfunction()
 
 # Generates module .pri files for consumption by qmake
-function(qt_generate_module_pri_file target target_path pri_file_name_var)
-    set(flags)
+function(qt_generate_module_pri_file target target_path pri_files_var)
+    set(flags INTERNAL_MODULE)
     set(options)
     set(multiopts QMAKE_MODULE_CONFIG)
     cmake_parse_arguments(arg "${flags}" "${options}" "${multiopts}" ${ARGN})
 
     qt_internal_module_info(module "${target}")
     qt_path_join(pri_file_name "${target_path}" "qt_lib_${module_lower}.pri")
-    set("${pri_file_name_var}" "${pri_file_name}" PARENT_SCOPE)
+    set(pri_files "${pri_file_name}")
 
     get_target_property(enabled_features "${target}" QT_ENABLED_PUBLIC_FEATURES)
     get_target_property(disabled_features "${target}" QT_DISABLED_PUBLIC_FEATURES)
-    string (REPLACE ";" " " enabled_features "${enabled_features}")
-    string (REPLACE ";" " " disabled_features "${disabled_features}")
+    get_target_property(enabled_private_features "${target}" QT_ENABLED_PRIVATE_FEATURES)
+    get_target_property(disabled_private_features "${target}" QT_DISABLED_PRIVATE_FEATURES)
+
+    foreach(var enabled_features disabled_features enabled_private_features disabled_private_features)
+        if(${var} STREQUAL "${var}-NOTFOUND")
+            set(${var} "")
+        else()
+            string (REPLACE ";" " " ${var} "${${var}}")
+        endif()
+    endforeach()
 
     if(arg_QMAKE_MODULE_CONFIG)
         string(REPLACE ";" " " module_config "${arg_QMAKE_MODULE_CONFIG}")
@@ -316,9 +324,10 @@ function(qt_generate_module_pri_file target target_path pri_file_name_var)
         set(module_config "")
     endif()
 
-    file(GENERATE
-        OUTPUT "${pri_file_name}"
-        CONTENT
+    if (NOT ${arg_INTERNAL_MODULE})
+        file(GENERATE
+            OUTPUT "${pri_file_name}"
+            CONTENT
         "QT.${module_lower}.VERSION = ${PROJECT_VERSION}
 QT.${module_lower}.name = ${module}
 QT.${module_lower}.module = ${module_versioned}
@@ -334,7 +343,30 @@ QT.${module_lower}.enabled_features = ${enabled_features}
 QT.${module_lower}.disabled_features = ${disabled_features}${module_config}
 QT_MODULES += ${module_lower}
 "
+        )
+    endif()
+
+    qt_path_join(private_pri_file "${target_path}" "qt_lib_${module_lower}_private.pri")
+    list(APPEND pri_files "${private_pri_file}")
+
+    file(GENERATE
+        OUTPUT "${private_pri_file}"
+        CONTENT
+        "QT.${module_lower}_private.VERSION = ${PROJECT_VERSION}
+QT.${module_lower}_private.name = ${module}
+QT.${module_lower}_private.module =
+QT.${module_lower}_private.libs = $$QT_MODULE_LIB_BASE
+QT.${module_lower}_private.includes = $$QT_MODULE_INCLUDE_BASE/${module}/${PROJECT_VERSION} $$QT_MODULE_INCLUDE_BASE/${module}/${PROJECT_VERSION}/${module}
+QT.${module_lower}_private.frameworks =
+QT.${module_lower}_private.depends = ${module_lower}
+QT.${module_lower}_private.uses =
+QT.${module_lower}_private.module_config = v2
+QT.${module_lower}_private.enabled_features = ${enabled_private_features}
+QT.${module_lower}_private.disabled_features = ${disabled_private_features}
+"
     )
+
+    set("${pri_files_var}" "${pri_files}" PARENT_SCOPE)
 endfunction()
 
 function(qt_generate_global_config_pri_file)
@@ -1071,7 +1103,7 @@ function(add_qt_module target)
 
     # Process arguments:
     qt_parse_all_arguments(arg "add_qt_module"
-        "NO_MODULE_HEADERS;STATIC;DISABLE_TOOLS_EXPORT;EXCEPTIONS"
+        "NO_MODULE_HEADERS;STATIC;DISABLE_TOOLS_EXPORT;EXCEPTIONS;INTERNAL_MODULE"
         "CONFIG_MODULE_NAME"
         "${__default_private_args};${__default_public_args};QMAKE_MODULE_CONFIG" ${ARGN})
 
@@ -1311,12 +1343,19 @@ set(QT_CMAKE_EXPORT_NAMESPACE ${QT_CMAKE_EXPORT_NAMESPACE})")
         EXPORT_NAME_PREFIX ${INSTALL_CMAKE_NAMESPACE}${target}
         CONFIG_INSTALL_DIR "${config_install_dir}")
 
+    if (${arg_INTERNAL_MODULE})
+        set(arg_INTERNAL_MODULE "INTERNAL_MODULE")
+    else()
+        unset(arg_INTERNAL_MODULE)
+    endif()
+
     qt_path_join(pri_target_path ${PROJECT_BINARY_DIR} mkspecs/modules)
-    qt_generate_module_pri_file("${target}" "${pri_target_path}" module_pri_file_name
+    qt_generate_module_pri_file("${target}" "${pri_target_path}" module_pri_files
+        ${arg_INTERNAL_MODULE}
         QMAKE_MODULE_CONFIG
             ${arg_QMAKE_MODULE_CONFIG}
         )
-    qt_install(FILES "${module_pri_file_name}" DESTINATION mkspecs/modules)
+    qt_install(FILES "${module_pri_files}" DESTINATION mkspecs/modules)
 
     ### fixme: cmake is missing a built-in variable for this. We want to apply it only to modules and plugins
     # that belong to Qt.
diff --git a/src/platformsupport/accessibility/CMakeLists.txt b/src/platformsupport/accessibility/CMakeLists.txt
index 2a6588764a..3475b62c3e 100644
--- a/src/platformsupport/accessibility/CMakeLists.txt
+++ b/src/platformsupport/accessibility/CMakeLists.txt
@@ -6,6 +6,7 @@
 
 add_qt_module(AccessibilitySupport
     STATIC
+    INTERNAL_MODULE
     SOURCES
         qaccessiblebridgeutils.cpp qaccessiblebridgeutils_p.h
     DEFINES
diff --git a/src/platformsupport/clipboard/CMakeLists.txt b/src/platformsupport/clipboard/CMakeLists.txt
index 4a93b240cd..2d7734ebdf 100644
--- a/src/platformsupport/clipboard/CMakeLists.txt
+++ b/src/platformsupport/clipboard/CMakeLists.txt
@@ -6,6 +6,7 @@
 
 add_qt_module(ClipboardSupport
     STATIC
+    INTERNAL_MODULE
     SOURCES
         qmacmime.mm qmacmime_p.h
     DEFINES
diff --git a/src/platformsupport/devicediscovery/CMakeLists.txt b/src/platformsupport/devicediscovery/CMakeLists.txt
index a704fc3ba2..a0b5192d74 100644
--- a/src/platformsupport/devicediscovery/CMakeLists.txt
+++ b/src/platformsupport/devicediscovery/CMakeLists.txt
@@ -6,6 +6,7 @@
 
 add_qt_module(DeviceDiscoverySupport
     STATIC
+    INTERNAL_MODULE
     SOURCES
         qdevicediscovery_p.h
     DEFINES
diff --git a/src/platformsupport/edid/CMakeLists.txt b/src/platformsupport/edid/CMakeLists.txt
index fd4a53239f..948cb7e091 100644
--- a/src/platformsupport/edid/CMakeLists.txt
+++ b/src/platformsupport/edid/CMakeLists.txt
@@ -6,6 +6,7 @@
 
 add_qt_module(EdidSupport
     STATIC
+    INTERNAL_MODULE
     SOURCES
         qedidparser.cpp qedidparser_p.h
     DEFINES
diff --git a/src/platformsupport/eglconvenience/.prev_CMakeLists.txt b/src/platformsupport/eglconvenience/.prev_CMakeLists.txt
index 48648f3900..d286ff76ad 100644
--- a/src/platformsupport/eglconvenience/.prev_CMakeLists.txt
+++ b/src/platformsupport/eglconvenience/.prev_CMakeLists.txt
@@ -6,6 +6,7 @@
 
 add_qt_module(EglSupport
     STATIC
+    INTERNAL_MODULE
     SOURCES
         qeglconvenience.cpp qeglconvenience_p.h
         qeglstreamconvenience.cpp qeglstreamconvenience_p.h
diff --git a/src/platformsupport/eglconvenience/CMakeLists.txt b/src/platformsupport/eglconvenience/CMakeLists.txt
index f2db6c746e..a6a6633d03 100644
--- a/src/platformsupport/eglconvenience/CMakeLists.txt
+++ b/src/platformsupport/eglconvenience/CMakeLists.txt
@@ -6,6 +6,7 @@ qt_find_package(EGL) # special case
 
 add_qt_module(EglSupport
     STATIC
+    INTERNAL_MODULE
     SOURCES
         qeglconvenience.cpp qeglconvenience_p.h
         qeglstreamconvenience.cpp qeglstreamconvenience_p.h
diff --git a/src/platformsupport/eventdispatchers/.prev_CMakeLists.txt b/src/platformsupport/eventdispatchers/.prev_CMakeLists.txt
index 3e2215da81..85d9c967e3 100644
--- a/src/platformsupport/eventdispatchers/.prev_CMakeLists.txt
+++ b/src/platformsupport/eventdispatchers/.prev_CMakeLists.txt
@@ -6,6 +6,7 @@
 
 add_qt_module(EventDispatcherSupport
     STATIC
+    INTERNAL_MODULE
     DEFINES
         QT_NO_CAST_FROM_ASCII
     LIBRARIES
diff --git a/src/platformsupport/eventdispatchers/CMakeLists.txt b/src/platformsupport/eventdispatchers/CMakeLists.txt
index 9f5b4a0669..5e88450023 100644
--- a/src/platformsupport/eventdispatchers/CMakeLists.txt
+++ b/src/platformsupport/eventdispatchers/CMakeLists.txt
@@ -8,6 +8,7 @@ qt_find_package(GLIB2) # special case
 
 add_qt_module(EventDispatcherSupport
     STATIC
+    INTERNAL_MODULE
     DEFINES
         QT_NO_CAST_FROM_ASCII
     LIBRARIES
diff --git a/src/platformsupport/fbconvenience/CMakeLists.txt b/src/platformsupport/fbconvenience/CMakeLists.txt
index d4b1d469b0..05ee44b967 100644
--- a/src/platformsupport/fbconvenience/CMakeLists.txt
+++ b/src/platformsupport/fbconvenience/CMakeLists.txt
@@ -6,6 +6,7 @@
 
 add_qt_module(FbSupport
     STATIC
+    INTERNAL_MODULE
     SOURCES
         qfbbackingstore.cpp qfbbackingstore_p.h
         qfbcursor.cpp qfbcursor_p.h
diff --git a/src/platformsupport/fontdatabases/.prev_CMakeLists.txt b/src/platformsupport/fontdatabases/.prev_CMakeLists.txt
index 7d3e5957cc..66c4b5314b 100644
--- a/src/platformsupport/fontdatabases/.prev_CMakeLists.txt
+++ b/src/platformsupport/fontdatabases/.prev_CMakeLists.txt
@@ -6,6 +6,7 @@
 
 add_qt_module(FontDatabaseSupport
     STATIC
+    INTERNAL_MODULE
     DEFINES
         QT_NO_CAST_FROM_ASCII
     LIBRARIES
diff --git a/src/platformsupport/fontdatabases/CMakeLists.txt b/src/platformsupport/fontdatabases/CMakeLists.txt
index e93ec38237..2e42a71cb2 100644
--- a/src/platformsupport/fontdatabases/CMakeLists.txt
+++ b/src/platformsupport/fontdatabases/CMakeLists.txt
@@ -9,6 +9,7 @@ qt_find_package(Fontconfig) # special case
 
 add_qt_module(FontDatabaseSupport
     STATIC
+    INTERNAL_MODULE
     DEFINES
         QT_NO_CAST_FROM_ASCII
     LIBRARIES
diff --git a/src/platformsupport/glxconvenience/.prev_CMakeLists.txt b/src/platformsupport/glxconvenience/.prev_CMakeLists.txt
index 8abf9530d8..5a407885cf 100644
--- a/src/platformsupport/glxconvenience/.prev_CMakeLists.txt
+++ b/src/platformsupport/glxconvenience/.prev_CMakeLists.txt
@@ -6,6 +6,7 @@
 
 add_qt_module(GlxSupport
     STATIC
+    INTERNAL_MODULE
     SOURCES
         qglxconvenience.cpp qglxconvenience_p.h
     DEFINES
diff --git a/src/platformsupport/glxconvenience/CMakeLists.txt b/src/platformsupport/glxconvenience/CMakeLists.txt
index a435de85ee..484fabf234 100644
--- a/src/platformsupport/glxconvenience/CMakeLists.txt
+++ b/src/platformsupport/glxconvenience/CMakeLists.txt
@@ -8,6 +8,7 @@ qt_find_package(X11) # special case
 
 add_qt_module(GlxSupport
     STATIC
+    INTERNAL_MODULE
     SOURCES
         qglxconvenience.cpp qglxconvenience_p.h
     DEFINES
diff --git a/src/platformsupport/graphics/CMakeLists.txt b/src/platformsupport/graphics/CMakeLists.txt
index f6a429fa3a..4dd6db7ebd 100644
--- a/src/platformsupport/graphics/CMakeLists.txt
+++ b/src/platformsupport/graphics/CMakeLists.txt
@@ -6,6 +6,7 @@
 
 add_qt_module(GraphicsSupport
     STATIC
+    INTERNAL_MODULE
     SOURCES
         qrasterbackingstore.cpp qrasterbackingstore_p.h
     DEFINES
diff --git a/src/platformsupport/input/.prev_CMakeLists.txt b/src/platformsupport/input/.prev_CMakeLists.txt
index df330e7c8a..902e61f4a5 100644
--- a/src/platformsupport/input/.prev_CMakeLists.txt
+++ b/src/platformsupport/input/.prev_CMakeLists.txt
@@ -6,6 +6,7 @@
 
 add_qt_module(InputSupport
     STATIC
+    INTERNAL_MODULE
     DEFINES
         QT_NO_CAST_FROM_ASCII
     LIBRARIES
diff --git a/src/platformsupport/input/CMakeLists.txt b/src/platformsupport/input/CMakeLists.txt
index 5ecbbbbe30..f3d1b66a95 100644
--- a/src/platformsupport/input/CMakeLists.txt
+++ b/src/platformsupport/input/CMakeLists.txt
@@ -11,6 +11,7 @@ qt_find_package(Mtdev) # special case
 
 add_qt_module(InputSupport
     STATIC
+    INTERNAL_MODULE
     DEFINES
         QT_NO_CAST_FROM_ASCII
     LIBRARIES
diff --git a/src/platformsupport/input/xkbcommon/CMakeLists.txt b/src/platformsupport/input/xkbcommon/CMakeLists.txt
index 5f4eca9fc8..1a96d5eafe 100644
--- a/src/platformsupport/input/xkbcommon/CMakeLists.txt
+++ b/src/platformsupport/input/xkbcommon/CMakeLists.txt
@@ -6,6 +6,7 @@
 
 add_qt_module(XkbCommonSupport
     STATIC
+    INTERNAL_MODULE
     SOURCES
         qxkbcommon.cpp qxkbcommon_p.h
         qxkbcommon_3rdparty.cpp
diff --git a/src/platformsupport/kmsconvenience/.prev_CMakeLists.txt b/src/platformsupport/kmsconvenience/.prev_CMakeLists.txt
index a6e206d5cd..ec29be7f4e 100644
--- a/src/platformsupport/kmsconvenience/.prev_CMakeLists.txt
+++ b/src/platformsupport/kmsconvenience/.prev_CMakeLists.txt
@@ -6,6 +6,7 @@
 
 add_qt_module(KmsSupport
     STATIC
+    INTERNAL_MODULE
     SOURCES
         qkmsdevice.cpp qkmsdevice_p.h
     DEFINES
diff --git a/src/platformsupport/kmsconvenience/CMakeLists.txt b/src/platformsupport/kmsconvenience/CMakeLists.txt
index 3300c2d98d..a2ad5ecc9f 100644
--- a/src/platformsupport/kmsconvenience/CMakeLists.txt
+++ b/src/platformsupport/kmsconvenience/CMakeLists.txt
@@ -8,6 +8,7 @@ qt_find_package(Libdrm) # special case
 
 add_qt_module(KmsSupport
     STATIC
+    INTERNAL_MODULE
     SOURCES
         qkmsdevice.cpp qkmsdevice_p.h
     DEFINES
diff --git a/src/platformsupport/linuxaccessibility/.prev_CMakeLists.txt b/src/platformsupport/linuxaccessibility/.prev_CMakeLists.txt
index f18b0597ce..a5ad155a7a 100644
--- a/src/platformsupport/linuxaccessibility/.prev_CMakeLists.txt
+++ b/src/platformsupport/linuxaccessibility/.prev_CMakeLists.txt
@@ -6,6 +6,7 @@
 
 add_qt_module(LinuxAccessibilitySupport
     STATIC
+    INTERNAL_MODULE
     SOURCES
         application.cpp application_p.h
         atspiadaptor.cpp atspiadaptor_p.h
diff --git a/src/platformsupport/linuxaccessibility/CMakeLists.txt b/src/platformsupport/linuxaccessibility/CMakeLists.txt
index 41c86236d2..af48f9d57d 100644
--- a/src/platformsupport/linuxaccessibility/CMakeLists.txt
+++ b/src/platformsupport/linuxaccessibility/CMakeLists.txt
@@ -8,6 +8,7 @@ qt_find_package(ATSPI2) # special case
 
 add_qt_module(LinuxAccessibilitySupport
     STATIC
+    INTERNAL_MODULE
     SOURCES
         application.cpp application_p.h
         atspiadaptor.cpp atspiadaptor_p.h
diff --git a/src/platformsupport/platformcompositor/CMakeLists.txt b/src/platformsupport/platformcompositor/CMakeLists.txt
index 1cb4752ead..c37ba600b3 100644
--- a/src/platformsupport/platformcompositor/CMakeLists.txt
+++ b/src/platformsupport/platformcompositor/CMakeLists.txt
@@ -6,6 +6,7 @@
 
 add_qt_module(PlatformCompositorSupport
     STATIC
+    INTERNAL_MODULE
     SOURCES
         qopenglcompositor.cpp qopenglcompositor_p.h
         qopenglcompositorbackingstore.cpp qopenglcompositorbackingstore_p.h
diff --git a/src/platformsupport/services/CMakeLists.txt b/src/platformsupport/services/CMakeLists.txt
index 23e1d5e4cd..b926030e12 100644
--- a/src/platformsupport/services/CMakeLists.txt
+++ b/src/platformsupport/services/CMakeLists.txt
@@ -6,6 +6,7 @@
 
 add_qt_module(ServiceSupport
     STATIC
+    INTERNAL_MODULE
     SOURCES
         genericunix/qgenericunixservices.cpp genericunix/qgenericunixservices_p.h
     DEFINES
diff --git a/src/platformsupport/themes/CMakeLists.txt b/src/platformsupport/themes/CMakeLists.txt
index 9dca636b92..d5bb3e1279 100644
--- a/src/platformsupport/themes/CMakeLists.txt
+++ b/src/platformsupport/themes/CMakeLists.txt
@@ -6,6 +6,7 @@
 
 add_qt_module(ThemeSupport
     STATIC
+    INTERNAL_MODULE
     SOURCES
         qabstractfileiconengine.cpp qabstractfileiconengine_p.h
     DEFINES
diff --git a/src/platformsupport/vkconvenience/.prev_CMakeLists.txt b/src/platformsupport/vkconvenience/.prev_CMakeLists.txt
index 92f672b8f3..e48ce7f9ad 100644
--- a/src/platformsupport/vkconvenience/.prev_CMakeLists.txt
+++ b/src/platformsupport/vkconvenience/.prev_CMakeLists.txt
@@ -6,6 +6,7 @@
 
 add_qt_module(VulkanSupport
     STATIC
+    INTERNAL_MODULE
     SOURCES
         qbasicvulkanplatforminstance.cpp qbasicvulkanplatforminstance_p.h
         qvkconvenience.cpp qvkconvenience_p.h
diff --git a/src/platformsupport/vkconvenience/CMakeLists.txt b/src/platformsupport/vkconvenience/CMakeLists.txt
index cc97c4041b..325da3f8f8 100644
--- a/src/platformsupport/vkconvenience/CMakeLists.txt
+++ b/src/platformsupport/vkconvenience/CMakeLists.txt
@@ -8,6 +8,7 @@ qt_find_package(Vulkan) # special case
 
 add_qt_module(VulkanSupport
     STATIC
+    INTERNAL_MODULE
     SOURCES
         qbasicvulkanplatforminstance.cpp qbasicvulkanplatforminstance_p.h
         qvkconvenience.cpp qvkconvenience_p.h
diff --git a/src/platformsupport/windowsuiautomation/CMakeLists.txt b/src/platformsupport/windowsuiautomation/CMakeLists.txt
index e4e0eed64a..1f0b545c83 100644
--- a/src/platformsupport/windowsuiautomation/CMakeLists.txt
+++ b/src/platformsupport/windowsuiautomation/CMakeLists.txt
@@ -6,6 +6,7 @@
 
 add_qt_module(WindowsUIAutomationSupport
     STATIC
+    INTERNAL_MODULE
     SOURCES
         qwindowsuiawrapper.cpp qwindowsuiawrapper_p.h
         uiaattributeids_p.h
diff --git a/src/plugins/platforms/eglfs/.prev_CMakeLists.txt b/src/plugins/platforms/eglfs/.prev_CMakeLists.txt
index 4af52dd0fe..e747e1d3c1 100644
--- a/src/plugins/platforms/eglfs/.prev_CMakeLists.txt
+++ b/src/plugins/platforms/eglfs/.prev_CMakeLists.txt
@@ -5,6 +5,7 @@
 #####################################################################
 
 add_qt_module(EglFSDeviceIntegration
+    INTERNAL_MODULE
     SOURCES
         api/qeglfsdeviceintegration.cpp api/qeglfsdeviceintegration_p.h
         api/qeglfsglobal_p.h
diff --git a/src/plugins/platforms/eglfs/CMakeLists.txt b/src/plugins/platforms/eglfs/CMakeLists.txt
index 47b5f3cf64..d7ca11acb6 100644
--- a/src/plugins/platforms/eglfs/CMakeLists.txt
+++ b/src/plugins/platforms/eglfs/CMakeLists.txt
@@ -6,6 +6,7 @@ qt_find_package(EGL) # special case
 #####################################################################
 
 add_qt_module(EglFSDeviceIntegration
+    INTERNAL_MODULE
     SOURCES
         api/qeglfsdeviceintegration.cpp api/qeglfsdeviceintegration_p.h
         api/qeglfsglobal_p.h
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_support/CMakeLists.txt b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_support/CMakeLists.txt
index fd7ba3cefb..be26d40f4d 100644
--- a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_support/CMakeLists.txt
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_support/CMakeLists.txt
@@ -5,6 +5,7 @@
 #####################################################################
 
 add_qt_module(EglFsKmsSupport
+    INTERNAL_MODULE
     NO_MODULE_HEADERS
     SOURCES
         qeglfskmsdevice.cpp qeglfskmsdevice.h
diff --git a/src/plugins/platforms/xcb/.prev_CMakeLists.txt b/src/plugins/platforms/xcb/.prev_CMakeLists.txt
index c3d469f0c6..d7ce4e4489 100644
--- a/src/plugins/platforms/xcb/.prev_CMakeLists.txt
+++ b/src/plugins/platforms/xcb/.prev_CMakeLists.txt
@@ -5,6 +5,7 @@
 #####################################################################
 
 add_qt_module(XcbQpa
+    INTERNAL_MODULE
     NO_MODULE_HEADERS
     SOURCES
         gl_integrations/qxcbglintegration.cpp gl_integrations/qxcbglintegration.h
diff --git a/src/plugins/platforms/xcb/CMakeLists.txt b/src/plugins/platforms/xcb/CMakeLists.txt
index aa2c0732f2..6849c75e2e 100644
--- a/src/plugins/platforms/xcb/CMakeLists.txt
+++ b/src/plugins/platforms/xcb/CMakeLists.txt
@@ -27,6 +27,7 @@ qt_find_package(XKB_COMMON_X11 PROVIDED_TARGETS PkgConfig::XKB_COMMON_X11)
 #####################################################################
 
 add_qt_module(XcbQpa
+    INTERNAL_MODULE
     NO_MODULE_HEADERS
     SOURCES
         gl_integrations/qxcbglintegration.cpp gl_integrations/qxcbglintegration.h
diff --git a/util/cmake/pro2cmake.py b/util/cmake/pro2cmake.py
index bd26e5782a..bfd791a196 100755
--- a/util/cmake/pro2cmake.py
+++ b/util/cmake/pro2cmake.py
@@ -1605,6 +1605,8 @@ def write_module(cm_fh: typing.IO[str], scope: Scope, *,
     extra = []
     if 'static' in scope.get('CONFIG'):
         extra.append('STATIC')
+    if 'internal_module' in scope.get('CONFIG'):
+        extra.append('INTERNAL_MODULE')
     if 'no_module_headers' in scope.get('CONFIG'):
         extra.append('NO_MODULE_HEADERS')