From c7c18aa7e77f7184ab6fc9a6181dc57b6572a2ca Mon Sep 17 00:00:00 2001
From: Tycho Bickerstaff <work.tycho@gmail.com>
Date: Tue, 10 Sep 2013 21:17:13 +0100
Subject: disable tautolgical compare warning in clang

disable the tautological compare warning as it is triggered by crypto++ using
unsigned ints in comparisons to zero in template code. crypto++ do not show
any indication of fixing it.

this commit does add a dependency on grep but that should not be a major
problem
---
 GNUmakefile | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/GNUmakefile b/GNUmakefile
index a18e6a97f..a9216376a 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -86,12 +86,13 @@ endif
 
 
 ###################################################
-ifeq ($(CC),clang++)
+# Fix Crypto++ warnings in clang
+
+ifeq ($(shell $(CXX) --version 2>&1 | grep -i -c "clang version"),0)
 CC_OPTIONS += -Wno-tautological-compare
+CXX_OPTIONS += -Wno-tautological-compare
 endif
-ifeq ($(CC),clang)
-CC_OPTIONS += -Wno-tautological-compare
-endif	
+
 
 ###################################################
 # Set the link libraries based on the OS
-- 
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