From dfa2fb5230deab0389d3346b00c9aee498ac97df Mon Sep 17 00:00:00 2001
From: James Zern <jzern@google.com>
Date: Fri, 3 May 2013 14:00:33 -0700
Subject: [PATCH] configure: special case flag test for clang

(while still abusing the gcc targets)

Change-Id: I40f33f619ed1ee760caf23f5598587b30cf8a9ed
---
 configure | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index a799be06f..6e60af176 100755
--- a/configure
+++ b/configure
@@ -601,7 +601,10 @@ process_toolchain() {
         check_add_cflags -Wimplicit-function-declaration
         check_add_cflags -Wuninitialized
         check_add_cflags -Wunused-variable
-        check_add_cflags -Wunused-but-set-variable
+        case ${CC} in
+          *clang*) ;;
+          *) check_add_cflags -Wunused-but-set-variable ;;
+        esac
         enabled extra_warnings || check_add_cflags -Wno-unused-function
     fi