From 620b0d876cd5d1b07ee488c31f8f28dae6114367 Mon Sep 17 00:00:00 2001
From: Wouter Wijngaards <wouter@nlnetlabs.nl>
Date: Fri, 11 Dec 2015 13:35:09 +0000
Subject: [PATCH] - OSX clang new flto check.

git-svn-id: file:///svn/unbound/trunk@3586 be551aaa-1e26-0410-a405-d3ace91eadb9
---
 acx_nlnetlabs.m4 | 5 +++--
 configure        | 2 +-
 doc/Changelog    | 1 +
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/acx_nlnetlabs.m4 b/acx_nlnetlabs.m4
index f17c6552d..be184d2c0 100644
--- a/acx_nlnetlabs.m4
+++ b/acx_nlnetlabs.m4
@@ -2,7 +2,8 @@
 # Copyright 2009, Wouter Wijngaards, NLnet Labs.   
 # BSD licensed.
 #
-# Version 30
+# Version 31
+# 2015-12-11 FLTO check for new OSX, clang.
 # 2015-11-18 spelling check fix.
 # 2015-11-05 ACX_SSL_CHECKS no longer adds -ldl needlessly.
 # 2015-08-28 ACX_CHECK_PIE and ACX_CHECK_RELRO_NOW added.
@@ -423,7 +424,7 @@ AC_DEFUN([ACX_CHECK_FLTO], [
         BAKCFLAGS="$CFLAGS"
         CFLAGS="$CFLAGS -flto"
         AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [
-            if $CC $CFLAGS -o conftest conftest.c 2>&1 | grep -e "warning: no debug symbols in executable" -e "warning: object" >/dev/null; then
+            if $CC $CFLAGS -o conftest conftest.c 2>&1 | $GREP -e "warning: no debug symbols in executable" -e "warning: object" >/dev/null; then
                 CFLAGS="$BAKCFLAGS"
                 AC_MSG_RESULT(no)
             else
diff --git a/configure b/configure
index 35aa23f75..2e0e34cf4 100755
--- a/configure
+++ b/configure
@@ -5873,7 +5873,7 @@ main ()
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
 
-            if $CC $CFLAGS -o conftest conftest.c 2>&1 | grep -e "warning: no debug symbols in executable" -e "warning: object" >/dev/null; then
+            if $CC $CFLAGS -o conftest conftest.c 2>&1 | $GREP -e "warning: no debug symbols in executable" -e "warning: object" >/dev/null; then
                 CFLAGS="$BAKCFLAGS"
                 { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
diff --git a/doc/Changelog b/doc/Changelog
index 47277b6ff..2a964681b 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -4,6 +4,7 @@
 	  removes a warning from compilation.
 	- OSX portability, detect if sbrk is deprecated.
 	- OSX clang, stop -pthread unused during link stage warnings.
+	- OSX clang new flto check.
 
 10 December 2015: Wouter
 	- 1.5.7 release
-- 
2.47.2