From a252cf7c59a6e649274c63465b202c7c41216257 Mon Sep 17 00:00:00 2001
From: Kamil Godzwon <kamilx.godzwon@intel.com>
Date: Mon, 19 Sep 2022 09:40:43 -0400
Subject: [PATCH] dpdkbuild: disable LTO while using clang compiler

Disable LTO while using clang compiler due to unsupported
fat LTO objects error.

Signed-off-by: Kamil Godzwon <kamilx.godzwon@intel.com>
Change-Id: I511e92144c974e8a55d503f58d2ae45bef62eb68
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/14557
Reviewed-by: Michal Berger <michal.berger@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
---
 dpdkbuild/Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dpdkbuild/Makefile b/dpdkbuild/Makefile
index cf4607ce4..d7a37975e 100644
--- a/dpdkbuild/Makefile
+++ b/dpdkbuild/Makefile
@@ -24,8 +24,11 @@ DPDK_OPTS += --buildtype=debug
 endif
 
 ifeq ($(CONFIG_LTO),y)
+# dpdk complains about compiler not supporting fat LTO objects when clang is in use so don't enable it in such a instance
+ifneq ($(CC_TYPE),clang)
 DPDK_OPTS += -Db_lto=true
 endif
+endif
 
 # the drivers we use
 DPDK_DRIVERS = bus bus/pci bus/vdev mempool/ring