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arm: Enable -ffunction-sections / -fdata-sections / --gc-sections

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While other architectures have enabled these gcc / ld options for some
time on U-Boot itself, ARM has only been doing this on SPL.  Enable this
on full U-Boot as well now.

Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
Signed-off-by: Tom Rini <trini@ti.com>
This commit is contained in:
Tom Rini 2013-04-25 07:40:22 +00:00 committed by Albert ARIBAUD
parent 0ad6c34c3e
commit fd72569179
2 changed files with 3 additions and 4 deletions
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3
arch/arm/config.mk
View File

@ -31,6 +31,9 @@ CONFIG_STANDALONE_LOAD_ADDR = 0xc100000
endif
endif
LDFLAGS_FINAL += --gc-sections
PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections
# Support generic board on ARM
__HAVE_ARCH_GENERIC_BOARD := y

4
arch/arm/cpu/ixp/config.mk
View File

@ -31,10 +31,6 @@ PLATFORM_CPPFLAGS += -mbig-endian -march=armv5te -mtune=strongarm1100
PLATFORM_LDFLAGS += -EB
USE_PRIVATE_LIBGCC = yes
# -fdata-sections triggers "section .bss overlaps section .rel.dyn" linker error
PLATFORM_RELFLAGS += -ffunction-sections
LDFLAGS_u-boot += --gc-sections
# =========================================================================
#
# Supply options according to compiler version