[RFC PATCH u-boot 11/12] arch: ARM: make LTO available

[Marek Behún]

Make LTO available for ARM architecture.

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

diff --git a/arch/Kconfig b/arch/Kconfig
index a6dab3e56d..5e80bcebac 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 27b12e7f2b..e977aacc61 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