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FLASHER and FFLAGS are evaluated by the main Makefile.include or by file included by it. Their value does not need to be exported. This will also prevent evaluating 'PORT' for FFLAGS when not needed. Testing ------- `git diff --word-diff` only reports `export` being removed. `git show --stat` reports `84 insertions(+), 84 deletions(-)` Which is the same amount as lines that where matching `export[[:blank::]]\+VARIABLE`.
21 lines
550 B
Makefile
21 lines
550 B
Makefile
## the cpu to build for
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export CPU = stm32l1
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export CPU_MODEL = stm32l151rc
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# define the default port depending on the host OS
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PORT_LINUX ?= /dev/ttyUSB0
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PORT_DARWIN ?= $(firstword $(sort $(wildcard /dev/tty.SLAB_USBtoUART*)))
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# set the default id
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export ID ?= 0483:df11
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FLASHER = dfu-util
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export DEBUGGER = # dfu-util has no debugger
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export RESET = # dfu-util has no support for resetting the device
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HEXFILE = $(BINFILE)
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FFLAGS = -d $(ID) -a 0 -s 0x08000000:leave -D "$(HEXFILE)"
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# setup serial terminal
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include $(RIOTMAKE)/tools/serial.inc.mk
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