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Allow overriding the linker

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This patch allows the user to override the value of the LD Makefile
variable. This feature can be used to force the use of the new Clang
linker.

Change-Id: I97ffeb18e48fa75346702a479d7dc1e8abcb3621
Signed-off-by: Roberto Vargas <roberto.vargas@arm.com>
This commit is contained in:
Roberto Vargas 2018-04-13 14:26:47 +01:00
parent ad92509476
commit 2adee763f1
1 changed files with 6 additions and 3 deletions
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9
Makefile
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@ -119,7 +119,7 @@ CC := ${CROSS_COMPILE}gcc
CPP := ${CROSS_COMPILE}cpp
AS := ${CROSS_COMPILE}gcc
AR := ${CROSS_COMPILE}ar
LD := ${CROSS_COMPILE}ld
LINKER := ${CROSS_COMPILE}ld
OC := ${CROSS_COMPILE}objcopy
OD := ${CROSS_COMPILE}objdump
NM := ${CROSS_COMPILE}nm
@ -128,8 +128,8 @@ DTC := dtc
# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH).
ifneq ($(strip $(wildcard ${LD}.bfd) \
$(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LD}.bfd))),)
LD := ${LD}.bfd
$(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),)
LINKER := ${LINKER}.bfd
endif
ifeq (${ARM_ARCH_MAJOR},7)
@ -143,12 +143,15 @@ endif
ifeq ($(notdir $(CC)),armclang)
TF_CFLAGS_aarch32 = -target arm-arm-none-eabi $(march32-directive)
TF_CFLAGS_aarch64 = -target aarch64-arm-none-eabi -march=armv8-a
LD = $(LINKER)
else ifneq ($(findstring clang,$(notdir $(CC))),)
TF_CFLAGS_aarch32 = $(target32-directive)
TF_CFLAGS_aarch64 = -target aarch64-elf
LD = $(LINKER)
else
TF_CFLAGS_aarch32 = $(march32-directive)
TF_CFLAGS_aarch64 = -march=armv8-a
LD = $(LINKER)
endif
TF_CFLAGS_aarch32 += -mno-unaligned-access