If qt_internal_generate_cpp_global_exports is called outside the qt_internall_add_module function scope, install rule that is generated by qt_internall_add_module won't include generated cpp export header files. This adds the explicit file-based install rule for the generated cpp exports. Since qt_internal_generate_cpp_global_exports now encapsulates all install rules related to the generated cpp exports, no need to expose the generated filenames outside the function. It's expected that module public headers now could be added outside the qt_internal_add_module function. Tune generating of the module timestamp by replacing the DEPENDS value with generator expression. Task-number: QTBUG-90492 Change-Id: I0f086abc8187c5d51117c3a75c47b58580f6913f Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>