1 files changed, 6 insertions, 0 deletions
diff --git a/src/corelib/global/qlibraryinfo.cpp b/src/corelib/global/qlibraryinfo.cpp
index dc68ea760c..d319b2e948 100644
--- a/src/corelib/global/qlibraryinfo.cpp
+++ b/src/corelib/global/qlibraryinfo.cpp
@@ -295,6 +295,12 @@ QLibraryInfo::rawLocation(LibraryLocation loc)
 
             ret = config->value(key, defaultValue).toString();
 
+#ifdef QT_BUILD_QMAKE
+            if (ret.isEmpty() && loc == HostPrefixPath)
+                ret = config->value(QLatin1String(qtConfEntries[PrefixPath].key),
+                                    QLatin1String(qtConfEntries[PrefixPath].value)).toString();
+#endif
+
             // expand environment variables in the form $(ENVVAR)
             int rep;
             QRegExp reg_var(QLatin1String("\\$\\(.*\\)"));