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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>
Marek Behún 3 years ago
parent
commit
8f9696510a
2 changed files with 3 additions and 0 deletions
  1. 1 0
      arch/Kconfig
  2. 2 0
      arch/arm/lib/Makefile

+ 1 - 0
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

+ 2 - 0
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