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Allow overriding the linker 

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