[PATCH u-boot v3 37/39] ARM: don't use -ffunction-sections/-fdata-sections with LTO build

Marek Behún
2021-03-16T12:26:07Z

When building with LTO, using -ffunction-sections/-fdata-sections is not
useful anymore.

Signed-off-by: Marek Beh?n <marek.behun@nic.cz>
---
arch/arm/config.mk | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/arm/config.mk b/arch/arm/config.mk
index 4153f7e371..2b2c6ad2e5 100644
--- a/arch/arm/config.mk
+++ b/arch/arm/config.mk
@@ -15,8 +15,12 @@ CFLAGS_NON_EFI := -fno-pic -ffixed-r9 -ffunction-sections -fdata-sections
CFLAGS_EFI := -fpic -fshort-wchar

LDFLAGS_FINAL += --gc-sections
-PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections \
- -fno-common -ffixed-r9
+
+ifndef CONFIG_LTO
+PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections
+endif
+
+PLATFORM_RELFLAGS += -fno-common -ffixed-r9
PLATFORM_RELFLAGS += $(call cc-option, -msoft-float) \
$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))

--
2.26.2