From d18ae0e7ce4e2f479eb2969633a85faa7d7d5287 Mon Sep 17 00:00:00 2001
From: "Darrick J. Wong" <darrick.wong@oracle.com>
Date: Tue, 30 Oct 2018 16:50:28 -0500
Subject: [PATCH] misc: only build with lto if explicitly enabled

Change the LTO default to off from probe because it wastes build time on
developer machines.  Anyone who really wants it for release builds or
whatever can still turn it on.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
---
 configure.ac | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 2448416ca..38e5426a3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -91,8 +91,8 @@ AC_ARG_ENABLE(threadsan,
 AC_SUBST(enable_threadsan)
 
 AC_ARG_ENABLE(lto,
-[ --enable-lto=[yes/no]      Enable link time optimization (LTO) [default=probe]],,
-	enable_lto=probe)
+[ --enable-lto=[yes/no]      Enable link time optimization (LTO) [default=no]],,
+	enable_lto=no)
 AC_SUBST(enable_lto)
 
 # Enable xfs_scrub build
-- 
2.39.2