[U-Boot] [PATCH v4 07/28] riscv: enable -fdata-sections

[Lukas Auer]

Enable the -fdata-sections compiler option for RISC-V. Buildman reports
the binary size decrease from this as 8365.3 bytes.

Signed-off-by: Lukas Auer <lukas.auer at aisec.fraunhofer.de>
Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
Reviewed-by: Rick Chen <rick at andestech.com>
---

Changes in v4:
- Rebase on u-boot/master

Changes in v3: None
Changes in v2: None

 arch/riscv/config.mk | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/riscv/config.mk b/arch/riscv/config.mk
index 97e2d41c3d..ff4fe64001 100644
--- a/arch/riscv/config.mk
+++ b/arch/riscv/config.mk
@@ -27,7 +27,8 @@ CONFIG_STANDALONE_LOAD_ADDR = 0x00000000
 LDFLAGS_STANDALONE += -T $(srctree)/examples/standalone/riscv.lds
 
 PLATFORM_CPPFLAGS	+= -ffixed-gp -fpic
-PLATFORM_RELFLAGS	+= -fno-common -gdwarf-2 -ffunction-sections
+PLATFORM_RELFLAGS	+= -fno-common -gdwarf-2 -ffunction-sections \
+			   -fdata-sections
 LDFLAGS_u-boot		+= --gc-sections -static -pie
 
 EFI_CRT0		:= crt0_riscv_efi.o
-- 
2.17.2