--- gqrx.pro.orig
+++ gqrx.pro
@@ -61,10 +61,11 @@
     PREFIX=/usr/local
 }
 
-target.path  = $$PREFIX/bin
+target.path  = @APPSDIR@
 INSTALLS    += target 
 
-#CONFIG += debug
+CONFIG -= debug
+CONFIG += cxx11 @ARCHES@
 
 # disable debug messages in release
 CONFIG(debug, debug|release) {