From c54e3e0741a27119b3badd8ff92b1988b7e9bd50 Mon Sep 17 00:00:00 2001
From: Darren Tucker <dtucker@zip.com.au>
Date: Fri, 10 May 2013 18:53:14 +1000
Subject:  - (dtucker) [configure.ac] Add -Werror to the -Qunused-arguments
 test so    we don't get a warning on compilers that *don't* support it.  Add 
   -Wno-unknown-warning-option.  Move both to the start of the list for   
 maximum noise suppression.  Tested with gcc 4.6.3, gcc 2.95.4 and clang 2.9.

---
 ChangeLog    | 4 ++++
 configure.ac | 9 ++++++---
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index d03a43527..94a23fb1c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -14,6 +14,10 @@
    in to use it when we're using our own getopt.
  - (dtucker) [kex.c] Only include sha256 and ECC key exchange methods when the
    underlying libraries support them.
+ - (dtucker) [configure.ac] Add -Werror to the -Qunused-arguments test so
+   we don't get a warning on compilers that *don't* support it.  Add
+   -Wno-unknown-warning-option.  Move both to the start of the list for
+   maximum noise suppression.  Tested with gcc 4.6.3, gcc 2.95.4 and clang 2.9.
 
 20130423
  - (djm) [auth.c configure.ac misc.c monitor.c monitor_wrap.c] Support
diff --git a/configure.ac b/configure.ac
index 93c50e085..6bcbef638 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-# $Id: configure.ac,v 1.522 2013/05/10 03:54:23 dtucker Exp $
+# $Id: configure.ac,v 1.523 2013/05/10 08:53:14 dtucker Exp $
 #
 # Copyright (c) 1999-2004 Damien Miller
 #
@@ -15,7 +15,7 @@
 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 AC_INIT([OpenSSH], [Portable], [openssh-unix-dev@mindrot.org])
-AC_REVISION($Revision: 1.522 $)
+AC_REVISION($Revision: 1.523 $)
 AC_CONFIG_SRCDIR([ssh.c])
 AC_LANG([C])
 
@@ -129,6 +129,10 @@ AC_ARG_WITH([stackprotect],
 
 
 if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
+	OSSH_CHECK_CFLAG_COMPILE([-Qunused-arguments -Werror],
+	    [-Qunused-arguments])
+	OSSH_CHECK_CFLAG_COMPILE([-Wunknown-warning-option -Werror],
+	    [-Wno-unknown-warning-option])
 	OSSH_CHECK_CFLAG_COMPILE([-Wall])
 	OSSH_CHECK_CFLAG_COMPILE([-Wpointer-arith])
 	OSSH_CHECK_CFLAG_COMPILE([-Wuninitialized])
@@ -138,7 +142,6 @@ if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
 	OSSH_CHECK_CFLAG_COMPILE([-Wpointer-sign], [-Wno-pointer-sign])
 	OSSH_CHECK_CFLAG_COMPILE([-Wunused-result], [-Wno-unused-result])
 	OSSH_CHECK_CFLAG_COMPILE([-fno-strict-aliasing])
-	OSSH_CHECK_CFLAG_COMPILE([-Qunused-arguments])
 	OSSH_CHECK_CFLAG_COMPILE([-D_FORTIFY_SOURCE=2])
 	AC_MSG_CHECKING([gcc version])
 	GCC_VER=`$CC -v 2>&1 | $AWK '/gcc version /{print $3}'`
-- 
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