[RFC PATCH u-boot 11/12] arch: ARM: make LTO available
Marek Behún
marek.behun at nic.cz
Wed Mar 3 05:12:10 CET 2021
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
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