From: Damien Miller <djm@mindrot.org>
Date: Fri, 30 Aug 2019 04:26:19 +0000 (+1000)
Subject: tweak warning flags
X-Git-Tag: V_8_1_P1~93
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e0e7e3d0e26f2c30697e6d0cfc293414908963c7;p=thirdparty%2Fopenssh-portable.git

tweak warning flags

Enable -Wextra if compiler supports it

Set -Wno-error=format-truncation if available to prevent expected
string truncations in openbsd-compat from breaking -Werror builds
---

diff --git a/configure.ac b/configure.ac
index 8c6c4637c..3e93c0276 100644
--- a/configure.ac
+++ b/configure.ac
@@ -152,9 +152,11 @@ CFLAGS="$saved_CFLAGS"
 
 if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
 	OSSH_CHECK_CFLAG_COMPILE([-pipe])
-	OSSH_CHECK_CFLAG_COMPILE([-Qunused-arguments])
 	OSSH_CHECK_CFLAG_COMPILE([-Wunknown-warning-option])
+	OSSH_CHECK_CFLAG_COMPILE([-Wno-error=format-truncation])
+	OSSH_CHECK_CFLAG_COMPILE([-Qunused-arguments])
 	OSSH_CHECK_CFLAG_COMPILE([-Wall])
+	OSSH_CHECK_CFLAG_COMPILE([-Wextra])
 	OSSH_CHECK_CFLAG_COMPILE([-Wpointer-arith])
 	OSSH_CHECK_CFLAG_COMPILE([-Wuninitialized])
 	OSSH_CHECK_CFLAG_COMPILE([-Wsign-compare])