--- a/igc.pro	Sun Jan 22 14:30:47 2012 +0100
+++ b/igc.pro	Sun Jan 22 15:30:45 2012 +0100
@@ -2,7 +2,7 @@
 # Automatically generated by qmake (2.01a) Sat Jan 21 23:39:20 2012
 ######################################################################
 
-CONFIG += release
+CONFIG += release precompile_header
 
 TEMPLATE = app
 TARGET = 
@@ -14,6 +14,7 @@
 MOC_DIR = .build/
 
 # Input
+PRECOMPILED_HEADER += pch.h
 HEADERS += mainwindow.h
-FORMS += ui/mainwindow.ui
+FORMS += ui/*.ui
 SOURCES += main.cc mainwindow.cc