From ba761cd3832c8668c5761574dd72d9891354e3dd Mon Sep 17 00:00:00 2001
From: Mike Hommey <mh+mozilla@glandium.org>
Date: Fri, 17 Aug 2018 10:35:32 +0900
Subject: [PATCH] Bug 1483778 - Skip LTO during the profile-generate phase of
 PGO. r=froydnj

When both LTO and PGO are enabled, there is no point LTO'ing during the
first phase of PGO.
---
 config/config.mk | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/config/config.mk b/config/config.mk
index 6e709a829dc3..58c2df4909cc 100644
--- a/config/config.mk
+++ b/config/config.mk
@@ -199,6 +199,11 @@ INCLUDES = \
 
 include $(MOZILLA_DIR)/config/static-checking-config.mk
 
+ifdef MOZ_PROFILE_GENERATE
+MOZ_LTO_CFLAGS :=
+MOZ_LTO_LDFLAGS :=
+endif
+
 LDFLAGS		= $(MOZ_LTO_LDFLAGS) $(COMPUTED_LDFLAGS) $(PGO_LDFLAGS) $(MK_LDFLAGS)
 
 COMPILE_CFLAGS	= $(MOZ_LTO_CFLAGS) $(COMPUTED_CFLAGS) $(PGO_CFLAGS) $(_DEPEND_CFLAGS) $(MK_COMPILE_DEFINES)