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atmega_common: use binutils 2.26 ldscript for older versions

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This allows configuring __TEXT_REGION_LENGTH__ and __DATA_REGION_LENGTH__
for previous versions (ubuntu xenial for example).
This commit is contained in:
cladmi 2018-08-15 12:26:35 +02:00
parent 56a1ac4f2b
commit 098770aeda
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1 changed files with 5 additions and 0 deletions
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5
cpu/atmega_common/Makefile.include
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@ -31,3 +31,8 @@ endif
# It is made optional until all boards are updated
LINKFLAGS += $(if $(ROM_LEN),$(LINKFLAGPREFIX)--defsym=__TEXT_REGION_LENGTH__=$(ROM_LEN))
LINKFLAGS += $(if $(RAM_LEN),$(LINKFLAGPREFIX)--defsym=__DATA_REGION_LENGTH__=$(RAM_LEN))
# Use newer linker script to have ROM/RAM configuration symbols in binutils<2.26
LDSCRIPT_COMPAT = $(if $(shell $(TARGET_ARCH)-ld --verbose | grep __TEXT_REGION_LENGTH__),,\
-T$(RIOTCPU)/$(CPU)/ldscripts_compat/avr_2.26.ld)
LINKFLAGS += $(LDSCRIPT_COMPAT)