diff --git a/.qmake.cache b/.qmake.cache
new file mode 100644
index 00000000..66ceb488
--- /dev/null
+++ b/.qmake.cache
@@ -0,0 +1,15 @@
+unix {
+	TOPDIR = $$system( pwd )/../
+}
+
+win32 {
+	TOPDIR = $$system( cd )/../
+}
+
+#use next qmake.cache if it exists
+exists(../.qmake.cache) {
+	include( ../.qmake.cache )
+}
+
+include( qmake/all.include )
+