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nerves_system_br

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Nerves System BR - Buildroot based build platform for Nerves Systems

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nerves_system_br scripts nerves-elixir.mk
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scripts/nerves-elixir.mk 

#

# Include this in your project's Makefile as a quick way of

# building a Nerves project

#



ifeq ($(NERVES_SYSTEM),)

    $(error Make sure that you source nerves-env.sh first)

endif



ERL_LIB = $(NERVES_SDK_SYSROOT)/usr/lib/erlang/lib

REL2FW = $(NERVES_SYSTEM)/scripts/rel2fw.sh



# This should get the one built by nerves assuming that the Nerves

# environment is loaded.

FWUP ?= $(shell which fwup)



ELIXIR_APP_NAME ?= $(shell basename $(shell pwd))



all: elixir-first-time-setup deps compile release



help:

	@echo '-------------------------------------------------'

	@echo '$(ELIXIR_APP_NAME) help'

	@echo '-------------------------------------------------'

	@echo

	@echo 'Targets:'

	@echo '  all                    - Build everything'

	@echo '  deps                   - Run mix deps.get'

	@echo '  compile                - Run mix compile'

	@echo '  release                - Run mix release and package the firmware'

	@echo '  burn                   - Burn the most recent build to an SDCard (requires sudo)'

	@echo '  clean                  - Clean up the release and build directories'

	@echo '  distclean              - Clean up everything'

	@echo



release:

	rm -fr rel/$(ELIXIR_APP_NAME) # Clean up unused apps

	mix release

	$(REL2FW) -f _images/$(ELIXIR_APP_NAME).fw -a rel/rootfs_overlay rel/$(ELIXIR_APP_NAME)

	@echo

	@echo The firmware is in the _images directory and can be loaded onto the target.

	@echo E.g., run \"make burn\" to program the image to an SDCard.



compile:

	mix compile



deps:

	mix deps.get



# Replace everything on the SDCard with new bits

burn:

	sudo $(FWUP) -a -i $(firstword $(wildcard _images/*.fw)) -t complete

burn-complete: burn



# Upgrade the image on the SDCard (app data won't be removed)

# This is usually the fastest way to update an SDCard that's already

# been programmed. It won't update bootloaders, so if something is

# really messed up, do a "make burn".

burn-upgrade:

	sudo $(FWUP) -a -i $(firstword $(wildcard _images/*.fw)) -t upgrade

	if [ -e /tmp/finalize.fw ]; then \

	    sudo $(FWUP) -y -a -i /tmp/finalize.fw -t on-reboot; \

	    sudo rm /tmp/finalize.fw; \

	fi



# Helper tasks for creating a base set of files needed to build Nerves

# images. If they already exist, they aren't overwritten.

elixir-first-time-setup: rel/relx.config rel/vm.args rel/nerves_system_libs

	@if ! grep nerves .gitignore >/dev/null ; then \

	    echo "_images" >> .gitignore ; \

	    echo "rel/nerves_system_libs" >> .gitignore ; \

	    echo "rel/$(ELIXIR_APP_NAME)" >> .gitignore ; \

	fi



rel/vm.args rel/relx.config:

	@echo $@ not found. Creating a default version...

	@mkdir -p rel

	@sed "s/APP_NAME/$(ELIXIR_APP_NAME)/" \

	    < $(NERVES_SYSTEM)/scripts/project-skel/elixir/$@ > $@



rel/nerves_system_libs:

	rm -f $@

	ln -s $(ERL_LIB) $@



clean:

	mix clean; rm -fr _build _images rel/$(ELIXIR_APP_NAME)



distclean: clean

	-rm -fr ebin deps



.PHONY: deps burn burn-complete burn-upgrade clean distclean all elixir-first-time-setup compile release help