From 82f1ccf4c84101c2611e6e9e7e118258f7c90757 Mon Sep 17 00:00:00 2001
From: Michael Roth <mroth@nessie.de>
Date: Wed, 7 Oct 2009 11:20:39 +0200
Subject: qt: disable precompiled headers when ccache is enabled

ccache and precompiled headers don't work together, so disable
precompiled headers when ccache is enabled.

The benefit of ccache compiling Qt a second or more time is much
higher than the costs of disabled precompiled headers in the first run.

Signed-off-by: Michael Roth <mroth@nessie.de>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
---
 package/qt/qt.mk | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'package/qt')

diff --git a/package/qt/qt.mk b/package/qt/qt.mk
index 37849f98b..ae03fa684 100644
--- a/package/qt/qt.mk
+++ b/package/qt/qt.mk
@@ -315,6 +315,11 @@ else
 QT_CONFIGURE+= -no-stl
 endif
 
+# ccache and precompiled headers don't play well together
+ifeq ($(BR2_CCACHE),y)
+QT_CONFIGURE += -no-pch
+endif
+
 BR2_PACKAGE_QT_EMB_PLATFORM:=$(call qstrip,$(BR2_PACKAGE_QT_EMB_PLATFORM))
 
 # Figure out what libs to install in the target
-- 
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