Partially reverts <https://codereview.qt-project.org/#/c/140954/>.

diff --git i/qtbase/mkspecs/features/qt_module.prf w/qtbase/mkspecs/features/qt_module.prf
index bb28af97..36bb6483 100644
--- mkspecs/features/qt_module.prf
+++ mkspecs/features/qt_module.prf
@@ -266,7 +266,7 @@ load(qt_installs)
 load(qt_targets)

 # this builds on top of qt_common
-!internal_module:!lib_bundle:if(unix|mingw) {
+!internal_module:if(unix|mingw) {
     CONFIG += create_pc
     QMAKE_PKGCONFIG_DESTDIR = pkgconfig
     host_build: \