From d066758a4c70f0461762d67b7333f78d85843bba Mon Sep 17 00:00:00 2001
From: Corey Farrell <git@cfware.com>
Date: Thu, 3 Aug 2017 12:30:31 -0400
Subject: Fix compile error for old versions of GCC.

Use -Wno-format-truncation only if supported by compiler.

ASTERISK-27171 #close

Change-Id: Iac0aed7a5bcaa16c21b7d62c4e4678d244c4ccb6
---
 configure.ac | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index f40403e31..ced52c487 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1225,6 +1225,16 @@ else
 fi
 AC_SUBST(AST_NO_STRICT_OVERFLOW)
 
+AC_MSG_CHECKING(for -Wno-format-truncation)
+if $(${CC} -O2 -Wno-format-truncation -S -o /dev/null -xc /dev/null > /dev/null 2>&1); then
+	AC_MSG_RESULT(yes)
+	AST_NO_FORMAT_TRUNCATION=-Wno-format-truncation
+else
+	AC_MSG_RESULT(no)
+	AST_NO_FORMAT_TRUNCATION=
+fi
+AC_SUBST(AST_NO_FORMAT_TRUNCATION)
+
 AC_MSG_CHECKING(for -Wshadow)
 if $(${CC} -Wshadow -S -o /dev/null -xc /dev/null > /dev/null 2>&1); then
 	AC_MSG_RESULT(yes)
-- 
cgit v1.2.3