[PATCH u-boot v3 21/39] sandbox: make LTO available

Marek Behún
2021-03-16T12:25:51Z

Make LTO available for sandbox architecture.

Signed-off-by: Marek Beh?n <marek.behun@nic.cz>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
---
arch/Kconfig | 1 +
arch/sandbox/config.mk | 2 ++
2 files changed, 3 insertions(+)

diff --git a/arch/Kconfig b/arch/Kconfig
index 27843cd79c..a6dab3e56d 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..397b7f252b 100644
--- a/arch/sandbox/config.mk
+++ b/arch/sandbox/config.mk
@@ -17,12 +17,14 @@ 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) \
-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)) \
--
2.26.2