From aa4251b4ede37d34dc114ad2eea414781beb2583 Mon Sep 17 00:00:00 2001
From: smatz <smatz@openttd.org>
Date: Wed, 8 Dec 2010 14:39:31 +0000
Subject: [PATCH] (svn r21436) -Fix: LTO was no longer detected for GCC 4.6

---
 config.lib | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/config.lib b/config.lib
index 8c9bff9af2..ce190e10a5 100644
--- a/config.lib
+++ b/config.lib
@@ -622,7 +622,8 @@ check_params() {
 	fi
 
 	if [ "$enable_lto" != "0" ]; then
-		has_lto=`($cxx_build -dumpspecs 2>&1 | grep '\%{flto}') || ($cxx_build -help ipo 2>&1 | grep '\-ipo')`
+		# GCC 4.5 outputs '%{flto}', GCC 4.6 outputs '%{flto*}'
+		has_lto=`($cxx_build -dumpspecs 2>&1 | grep '\%{flto') || ($cxx_build -help ipo 2>&1 | grep '\-ipo')`
 		if [ -n "$has_lto" ]; then
 			log 1 "using link time optimization... yes"
 		else
@@ -1290,7 +1291,8 @@ make_compiler_cflags() {
 		fi
 
 		if [ "$enable_lto" != "0" ]; then
-			has_lto=`$1 -dumpspecs | grep '\%{flto}'`
+			# GCC 4.5 outputs '%{flto}', GCC 4.6 outputs '%{flto*}'
+			has_lto=`$1 -dumpspecs | grep '\%{flto'`
 			if [ -n "$has_lto" ]; then
 				# Use LTO only if we see LTO exists and is requested
 				flags="$flags -flto"