2016-03-21 09:25:42 +01:00
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# Target architecture for the build. Use avr if you are unsure.
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export TARGET_ARCH ?= avr
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2014-07-15 12:08:52 +02:00
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2017-02-02 20:08:06 +01:00
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export CFLAGS_CPU = -mmcu=$(CPU) $(CFLAGS_FPU)
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export CFLAGS_LINK = -ffunction-sections -fdata-sections -fno-builtin -fshort-enums
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export CFLAGS_DBG ?= -ggdb -g3
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export CFLAGS_OPT ?= -Os
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2016-08-18 22:04:41 +02:00
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2017-02-02 20:08:06 +01:00
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export CFLAGS += $(CFLAGS_CPU) $(CFLAGS_LINK) $(CFLAGS_DBG) $(CFLAGS_OPT)
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export ASFLAGS += $(CFLAGS_CPU) $(CFLAGS_DBG)
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export LINKFLAGS += $(CFLAGS_CPU) $(CFLAGS_DBG) $(CFLAGS_OPT) -static -lgcc -e reset_handler -Wl,--gc-sections
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2016-08-18 22:04:41 +02:00
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2016-06-06 17:54:42 +02:00
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# export the peripheral drivers to be linked into the final binary
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export USEMODULE += periph
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2017-01-09 18:36:14 +01:00
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export USEMODULE += periph_common
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2016-06-06 17:54:42 +02:00
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# the atmel port uses uart_stdio
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export USEMODULE += uart_stdio
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2014-07-15 12:08:52 +02:00
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# include module specific includes
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export INCLUDES += -I$(RIOTCPU)/atmega_common/include -isystem$(RIOTCPU)/atmega_common/avr-libc-extra
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2017-02-02 20:08:06 +01:00
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ifeq ($(LTO),1)
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# avr-gcc <4.8.3 has a bug when using LTO which causes a warning to be printed always:
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# '_vector_25' appears to be a misspelled signal handler [enabled by default]
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# See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59396
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export LINKFLAGS += -Wno-error
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endif
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