Split Qt-specific config from other config

So adding Qt-specific config does not require a change
in c++utilities anymore.

CMakeLists.txt

@@ -96,6 +96,7 @@ set(CMAKE_MODULE_FILES
 )
 
 set(CMAKE_TEMPLATE_FILES
+    cmake/templates/qtconfig.h.in
     cmake/templates/webviewdefs.h.in
     cmake/templates/webviewincludes.h.in
     cmake/templates/jsdefs.h.in
@@ -177,7 +178,7 @@ else()
 endif()
 
 # find c++utilities
-find_package(c++utilities 4.12.0 REQUIRED)
+find_package(c++utilities 4.13.0 REQUIRED)
 use_cpp_utilities()
 
 # include modules to apply configuration

cmake/modules/QtConfig.cmake

@@ -408,4 +408,12 @@ if(WIDGETS_UI_FILES AND WIDGETS_GUI)
     endif()
 endif()
 
+# add configuration header for Qt-specific configuration
+include(TemplateFinder)
+find_template_file("qtconfig.h" QT_UTILITIES QT_CONFIG_H_TEMPLATE_FILE)
+configure_file(
+    "${QT_CONFIG_H_TEMPLATE_FILE}"
+    "${CMAKE_CURRENT_BINARY_DIR}/resources/qtconfig.h"
+)
+
 set(QT_CONFIGURED YES)

cmake/templates/qtconfig.h.in

@@ -0,0 +1,16 @@
+// Created via CMake from template qtconfig.h.in
+// WARNING! Any changes to this file will be overwritten by the next CMake run!
+
+#ifndef @META_PROJECT_VARNAME_UPPER@_QT_CONFIG
+#define @META_PROJECT_VARNAME_UPPER@_QT_CONFIG
+
+#define QT_TRANSLATION_FILES {@QT_TRANSLATION_FILES_ARRAY@}
+#define APP_SPECIFIC_QT_TRANSLATION_FILES {@APP_SPECIFIC_QT_TRANSLATION_FILES_ARRAY@}
+#define ENABLE_QT_RESOURCES_OF_STATIC_DEPENDENCIES@ENABLE_QT_RESOURCES_OF_STATIC_DEPENDENCIES@
+#cmakedefine SVG_SUPPORT
+#cmakedefine SVG_ICON_SUPPORT
+#cmakedefine IMAGE_FORMAT_SUPPORT
+#define IMPORT_IMAGE_FORMAT_PLUGINS @IMAGE_FORMAT_SUPPORT_ARRAY@
+#define IMPORT_WIDGET_STYLE_PLUGINS @WIDGET_STYLE_PLUGINS_ARRAY@
+@META_CUSTOM_QT_CONFIG@
+#endif // @META_PROJECT_VARNAME_UPPER@_QT_CONFIG

resources/importplugin.h

@@ -1,7 +1,7 @@
 #ifndef MISC_UTILS_IMPORT_PLUGIN_H
 #define MISC_UTILS_IMPORT_PLUGIN_H
 
-#include "resources/config.h"
+#include "resources/qtconfig.h"
 
 #ifdef QT_STATIC
 #if defined(QT_UTILITIES_GUI_QTWIDGETS) || defined(QT_UTILITIES_GUI_QTQUICK)