Make LTO available for sandbox architecture.
Signed-off-by: Marek Behún marek.behun@nic.cz Reviewed-by: Bin Meng bmeng.cn@gmail.com --- arch/Kconfig | 1 + arch/sandbox/config.mk | 4 ++++ 2 files changed, 5 insertions(+)
diff --git a/arch/Kconfig b/arch/Kconfig index 6c4b81a486..c5c03d438c 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -101,6 +101,7 @@ config RISCV
config SANDBOX bool "Sandbox" + select ARCH_SUPPORTS_LTO select BOARD_LATE_INIT select BZIP2 select CMD_POWEROFF diff --git a/arch/sandbox/config.mk b/arch/sandbox/config.mk index 2149771324..1f8cb61c8b 100644 --- a/arch/sandbox/config.mk +++ b/arch/sandbox/config.mk @@ -17,16 +17,20 @@ PLATFORM_CPPFLAGS += $(shell $(SDL_CONFIG) --cflags) endif
cmd_u-boot__ = $(CC) -o $@ -Wl,-T u-boot.lds $(u-boot-init) \ + $(LTO_FINAL_LDFLAGS) \ -Wl,--whole-archive \ $(u-boot-main) \ + $(u-boot-keep-syms-lto) \ -Wl,--no-whole-archive \ $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map
cmd_u-boot-spl = (cd $(obj) && $(CC) -o $(SPL_BIN) -Wl,-T u-boot-spl.lds \ + $(LTO_FINAL_LDFLAGS) \ $(patsubst $(obj)/%,%,$(u-boot-spl-init)) \ -Wl,--whole-archive \ $(patsubst $(obj)/%,%,$(u-boot-spl-main)) \ $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \ + $(patsubst $(obj)/%,%,$(u-boot-spl-keep-syms-lto)) \ -Wl,--no-whole-archive \ $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot-spl.map -Wl,--gc-sections)