From: Marek Behún <marek.behun@nic.cz>
Date: Thu, 20 May 2021 11:24:22 +0000 (+0200)
Subject: ARM: make LTO available
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=8f9696510afc2b52ebeba5d1db4883cf3331c206;p=u-boot.git

ARM: make LTO available

Make LTO available for ARM architecture.

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

diff --git a/arch/Kconfig b/arch/Kconfig
index 8fd39e36b4..49813a4c9b 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -33,6 +33,7 @@ config ARC
 
 config ARM
 	bool "ARM architecture"
+	select ARCH_SUPPORTS_LTO
 	select CREATE_ARCH_SYMLINK
 	select HAVE_PRIVATE_LIBGCC if !ARM64
 	select SUPPORT_OF_CONTROL
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index 61bef1d5af..7f66332715 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -45,6 +45,8 @@ obj-$(CONFIG_SEMIHOSTING) += semihosting.o
 
 obj-y	+= bdinfo.o
 obj-y	+= sections.o
+CFLAGS_REMOVE_sections.o := $(LTO_CFLAGS)
+
 obj-y	+= stack.o
 ifdef CONFIG_CPU_V7M
 obj-y	+= interrupts_m.o