From c6b98fc8746b58a2a56de3d3369c805667966fa8 Mon Sep 17 00:00:00 2001
From: Nate Weibley <nate.weibley@prioria.com>
Date: Tue, 13 Oct 2015 16:19:58 -0400
Subject: [PATCH] Precompile a handful of Qt headers to speed up compilation
 time

---
 QGCApplication.pro   | 5 ++++-
 src/stable_headers.h | 9 +++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)
 create mode 100644 src/stable_headers.h

diff --git a/QGCApplication.pro b/QGCApplication.pro
index 08f0eeedd..bf54888bd 100644
--- a/QGCApplication.pro
+++ b/QGCApplication.pro
@@ -126,6 +126,8 @@ include(QGCExternalLibs.pri)
 # Main QGroundControl portion of project file
 #
 
+PRECOMPILED_HEADER += src/stable_headers.h
+
 RESOURCES += qgroundcontrol.qrc
 
 DEPENDPATH += \
@@ -275,7 +277,8 @@ HEADERS += \
     src/ui/uas/QGCUnconnectedInfoWidget.h \
     src/ui/uas/UASMessageView.h \
     src/MissionItem.h \
-    src/AutoPilotPlugins/PX4/PX4AirframeLoader.h
+    src/AutoPilotPlugins/PX4/PX4AirframeLoader.h \
+    src/stable_headers.h
 
 !iOSBuild {
 HEADERS += \
diff --git a/src/stable_headers.h b/src/stable_headers.h
new file mode 100644
index 000000000..da7194078
--- /dev/null
+++ b/src/stable_headers.h
@@ -0,0 +1,9 @@
+#ifndef STABLE_HEADERS_H
+#define STABLE_HEADERS_H
+
+#include <QtCore>
+#include <QtGui>
+#include <QtWidgets>
+
+#endif // STABLE_HEADERS_H
+
-- 
2.22.0