3 files changed, 12 insertions, 3 deletions
diff --git a/mkspecs/features/default_pre.prf b/mkspecs/features/default_pre.prf
index 2a729663be..ca63e384e6 100644
--- a/mkspecs/features/default_pre.prf
+++ b/mkspecs/features/default_pre.prf
@@ -12,6 +12,9 @@ CONFIG = lex yacc warn_on debug exceptions $$CONFIG
                 cache(QMAKEMODULES, add super, modpath)
             unset(modpath)
         }
+    } else {
+        # When doing a build without -prefix, put the headers directly into qtbase.
+        isEmpty(MODULE_BASE_OUTDIR): MODULE_BASE_OUTDIR = $$[QT_HOST_DATA]
     }
 
     qtPrepareTool(QMAKE_SYNCQT, syncqt)
diff --git a/mkspecs/features/qt_module_fwdpri.prf b/mkspecs/features/qt_module_fwdpri.prf
index 9a5abd77a8..2fd833d309 100644
--- a/mkspecs/features/qt_module_fwdpri.prf
+++ b/mkspecs/features/qt_module_fwdpri.prf
@@ -17,7 +17,7 @@
     MODULE_FWD_PRI_CONT = \
         "QT_MODULE_BASE = $$MODULE_BASE_DIR" \
         "QT_MODULE_BIN_BASE = $$mod_component_base/bin" \
-        "QT_MODULE_INCLUDE_BASE = $$MODULE_BASE_OUTDIR/include" \
+        "QT_MODULE_INCLUDE_BASE = $$mod_component_base/include" \
         "QT_MODULE_IMPORT_BASE = $$mod_component_base/imports" \
         "QT_MODULE_LIB_BASE = $$mod_component_base/lib" \
         "QT_MODULE_PLUGIN_BASE = $$mod_component_base/plugins" \
diff --git a/mkspecs/features/qt_module_headers.prf b/mkspecs/features/qt_module_headers.prf
index 6a1854a771..cd41c17b85 100644
--- a/mkspecs/features/qt_module_headers.prf
+++ b/mkspecs/features/qt_module_headers.prf
@@ -1,5 +1,11 @@
+QTDIR = $$[QT_HOST_PREFIX]
+!force_independent:exists($$QTDIR/.qmake.cache): \
+    mod_component_base = $$QTDIR
+else: \
+    mod_component_base = $$MODULE_BASE_OUTDIR
+
 #load up the headers info
-include($$MODULE_BASE_OUTDIR/include/$$TARGET/headers.pri, "", true)
+include($$mod_component_base/include/$$TARGET/headers.pri, "", true)
 
 lctarget = $$lower($$TARGET)
 uctarget = $$upper($$TARGET)
@@ -40,7 +46,7 @@ count(MODULE_VERSION_HEADER, 1) {
 }
 
 # Create a module master header
-MODULE_MASTER_HEADER = $$MODULE_BASE_OUTDIR/include/$$TARGET/$$TARGET
+MODULE_MASTER_HEADER = $$mod_component_base/include/$$TARGET/$$TARGET
 !build_pass {
     MODULE_MASTER_HEADER_CONT = \
         "/* This file was generated by qmake with the info from $${_PRO_FILE_}. */" \