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46 lines
1.7 KiB
46 lines
1.7 KiB
#
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# LUFA Library
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# Copyright (C) Dean Camera, 2015.
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#
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# dean [at] fourwalledcubicle [dot] com
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# www.lufa-lib.org
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#
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DMBS_BUILD_MODULES +=
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DMBS_BUILD_TARGETS +=
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DMBS_BUILD_MANDATORY_VARS += F_USB
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DMBS_BUILD_OPTIONAL_VARS += BOARD
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DMBS_BUILD_PROVIDED_VARS +=
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DMBS_BUILD_PROVIDED_MACROS +=
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ERROR_IF_UNSET ?= $(if $(filter undefined, $(origin $(strip $(1)))), $(error Makefile $(strip $(1)) value not set))
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ERROR_IF_EMPTY ?= $(if $(strip $($(strip $(1)))), , $(error Makefile $(strip $(1)) option cannot be blank))
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ERROR_IF_NONBOOL ?= $(if $(filter Y N, $($(strip $(1)))), , $(error Makefile $(strip $(1)) option must be Y or N))
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# Sanity check user supplied values
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$(call ERROR_IF_EMPTY, ARCH)
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$(call ERROR_IF_EMPTY, F_USB)
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# Default values of optionally user-supplied variables
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BOARD ?= NONE
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# Determine the utility prefix to use for the selected architecture
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ifeq ($(ARCH), XMEGA)
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$(warning The XMEGA device support is currently EXPERIMENTAL (incomplete and/or non-functional), and is included for preview purposes only.)
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else ifeq ($(ARCH), UC3)
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$(warning The UC3 device support is currently EXPERIMENTAL (incomplete and/or non-functional), and is included for preview purposes only.)
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endif
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# LUFA specific standard build options
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C_FLAGS += -I. -I$(patsubst %/,%,$(LUFA_PATH))/..
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C_FLAGS += -DARCH=ARCH_$(ARCH) -DBOARD=BOARD_$(BOARD) -DF_USB=$(F_USB)UL
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# This flag is required for bootloaders as GCC will emit invalid jump table
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# assembly code for devices with large amounts of flash; the jump table target
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# is extracted from FLASH without using the correct ELPM instruction, resulting
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# in a pseudo-random jump target.
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C_FLAGS += -fno-jump-tables
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DMBS_PATH := $(LUFA_PATH)/Build/DMBS/DMBS
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include $(DMBS_PATH)/gcc.mk
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