[PATCH u-boot v3 36/39] ARM: make LTO available

Marek Behún
2021-03-16T12:26:06Z

Make LTO available for ARM architecture.

Signed-off-by: Marek Beh?n <marek.behun@nic.cz>
---
arch/Kconfig | 1 +
arch/arm/lib/Makefile | 2 ++
2 files changed, 3 insertions(+)

diff --git a/arch/Kconfig b/arch/Kconfig
index b884b7b248..bf4b8afcb4 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
--
2.26.2