--- old/qtbase/mkspecs/features/qt_module.prf
+++ new/qtbase/mkspecs/features/qt_module.prf
@@ -269,7 +269,7 @@ load(qt_installs)
 load(qt_targets)
 
 # this builds on top of qt_common
-!internal_module:if(unix|mingw) {
+if(unix|mingw):!if(darwin:debug_and_release:CONFIG(debug, debug|release)) {
     CONFIG += create_pc
     QMAKE_PKGCONFIG_DESTDIR = pkgconfig
     host_build: \
@@ -284,9 +284,9 @@ load(qt_targets)
         QMAKE_PKGCONFIG_CFLAGS = -D$$MODULE_DEFINE -I${includedir}/$$MODULE_INCNAME
     }
     QMAKE_PKGCONFIG_NAME = $$replace(TARGET, ^Qt, "Qt$$QT_MAJOR_VERSION ")
-    QMAKE_PKGCONFIG_FILE = $$replace(TARGET, ^Qt, Qt$$QT_MAJOR_VERSION)
+    QMAKE_PKGCONFIG_FILE = $$replace(TARGET, ^Qt, Qt$$QT_MAJOR_VERSION)$$qtPlatformTargetSuffix()
     for(i, MODULE_DEPENDS): \
-        QMAKE_PKGCONFIG_REQUIRES += $$replace(QT.$${i}.name, ^Qt, Qt$$section(QT.$${i}.VERSION, ., 0, 0))
+        QMAKE_PKGCONFIG_REQUIRES += $$replace(QT.$${i}.name, ^Qt, Qt$$section(QT.$${i}.VERSION, ., 0, 0))$$qtPlatformTargetSuffix()
     isEmpty(QMAKE_PKGCONFIG_DESCRIPTION): \
         QMAKE_PKGCONFIG_DESCRIPTION = $$replace(TARGET, ^Qt, "Qt ") module
     !isEmpty(lib_replace0.match) {