From: Marek Behún <marek.behun@nic.cz>
Date: Thu, 20 May 2021 11:24:23 +0000 (+0200)
Subject: ARM: don't use -ffunction-sections/-fdata-sections with LTO build
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=75c7d10c1f61ff509bcbe00284b7424b55c9ed92;p=u-boot.git

ARM: don't use -ffunction-sections/-fdata-sections with LTO build

When building with LTO, using -ffunction-sections/-fdata-sections is not
useful anymore.

Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Simon Glass <sjg@chromium.org>
---

diff --git a/arch/arm/config.mk b/arch/arm/config.mk
index e79f0104b9..f556ee3329 100644
--- a/arch/arm/config.mk
+++ b/arch/arm/config.mk
@@ -16,8 +16,12 @@ CFLAGS_NON_EFI := -fno-pic -ffixed-r9 -ffunction-sections -fdata-sections \
 CFLAGS_EFI := -fpic -fshort-wchar
 
 LDFLAGS_FINAL += --gc-sections
-PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections \
-		     -fno-common -ffixed-r9
+
+ifndef CONFIG_LTO
+PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections
+endif
+
+PLATFORM_RELFLAGS += -fno-common -ffixed-r9
 PLATFORM_RELFLAGS += $(call cc-option, -msoft-float) \
       $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))