From 29e4e4a851f6e9e68eb34aa31d7a78b510648866 Mon Sep 17 00:00:00 2001
From: Jim Harris <james.r.harris@intel.com>
Date: Tue, 6 Sep 2022 15:22:28 +0000
Subject: [PATCH] dpdkbuild: enable LTO

When user specifies SPDK LTO build, pass the
associated option to the DPDK build to enable
LTO there as well.

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I5996ae0668ad00c52fcaeb28db055af8dc85a8ca
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/14389
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@nvidia.com>
---
 dpdkbuild/Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dpdkbuild/Makefile b/dpdkbuild/Makefile
index 6424a6009..cf4607ce4 100644
--- a/dpdkbuild/Makefile
+++ b/dpdkbuild/Makefile
@@ -23,6 +23,10 @@ ifeq ($(CONFIG_DEBUG),y)
 DPDK_OPTS += --buildtype=debug
 endif
 
+ifeq ($(CONFIG_LTO),y)
+DPDK_OPTS += -Db_lto=true
+endif
+
 # the drivers we use
 DPDK_DRIVERS = bus bus/pci bus/vdev mempool/ring