From 6b898e6bbc40edb03165b05c97fe8bc5ffac42c5 Mon Sep 17 00:00:00 2001
From: Gerald Combs <gerald@wireshark.org>
Date: Fri, 11 Jul 2014 15:21:04 -0700
Subject: Add back -Qunused-arguments for Clang++.

When used with ccache it can result in warnings as described at
http://petereisentraut.blogspot.com/2011/05/ccache-and-clang.html.

Change-Id: Ibca4fd262ec8d1f16a450b1698ead10f57d52b06
Reviewed-on: https://code.wireshark.org/review/3015
Reviewed-by: Gerald Combs <gerald@wireshark.org>
---
 CMakeLists.txt | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'CMakeLists.txt')

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1a2dd99f65..19ccc3f74b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -302,7 +302,13 @@ else()
 	if(CMAKE_C_COMPILER_ID MATCHES "Clang")
 		set(WIRESHARK_COMMON_FLAGS ${WIRESHARK_COMMON_FLAGS}
 			#-fcolor-diagnostics
-	)
+		)
+
+		# ccache + clang++ can result in "argument unused during
+		# compilation" warnings.
+		set(WIRESHARK_CPP_ONLY_FLAGS ${WIRESHARK_CPP_ONLY_FLAGS}
+			-Qunused-arguments
+		)
 	else()
 		set(WIRESHARK_COMMON_FLAGS ${WIRESHARK_COMMON_FLAGS}
 			-fexcess-precision=fast
-- 
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