Makefile

# hdk-rust Makefile

# run `make` to build all the libraries and binaries
# run `make test` to execute all the tests
# run `make clean` to clean up the build environment

all: main

CORE_RUST_VERSION ?= nightly-2018-06-01
TOOLS_RUST_VERSION ?= nightly-2018-07-17
CARGO = cargo $(CARGO_ARGS) +$(CORE_RUST_VERSION)
CARGO_TOOLS = cargo $(CARGO_ARGS) +$(TOOLS_RUST_VERSION)

# build artifact / dependency checking is handled by our sub-tools
# we can just try to build everything every time, it should be efficient
.PHONY: main \
	test \
	clean

# apply formatting / style guidelines, and build the rust project
main: build #fmt_check clippy build

# idempotent install rustup with the default toolchain set for tooling
# best for CI based on tools only
.PHONY: install_rustup
install_rustup:
	if ! which rustup ; then \
		curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain $(CORE_RUST_VERSION) -y; \
	fi
	export PATH=${HOME}/.cargo/bin:${PATH}

# idempotent install rustup with the default toolchain set for Holochain core
# best for green fields Rust installation
.PHONY: install_rustup_tools
install_rustup_tools:
	if ! which rustup ; then \
		curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain $(TOOLS_RUST_VERSION) -y; \
	fi
	export PATH=${HOME}/.cargo/bin:${PATH}

# idempotent installation of libzmq system library
# note, this is complicated by our use of travis-ci ubuntu trusty
# we need to install a newer version than is otherwise available
.PHONY: install_system_libzmq
install_system_libzmq:
	if ! (pkg-config libzmq --libs) ; then \
		if ! which apt-get ; then \
			echo "\033[0;93mNo apt-get installed and no system libzmq, build probably won't work\033[0m"; \
		else \
			if [ "x${TRAVIS}" = "x" ]; then \
				echo "\033[0;93m## Attempting to install libzmq3-dev with apt-get ##\033[0m"; \
				sudo apt-get install -y libzmq3-dev; \
			else \
				echo "\033[0;93m## Attempting to install libzmq3-dev on UBUNTU TRUSTY ##\033[0m"; \
				echo "deb http://download.opensuse.org/repositories/network:/messaging:/zeromq:/release-stable/xUbuntu_14.04/ ./" >> /etc/apt/sources.list; \
				wget https://download.opensuse.org/repositories/network:/messaging:/zeromq:/release-stable/xUbuntu_14.04/Release.key -O- | sudo apt-key add; \
				sudo apt-get update -qq; \
				sudo apt-get install libzmq3-dev; \
			fi; \
		fi; \
	fi; \
fi

# idempotent install of any required system libraries
.PHONY: install_system_libs
install_system_libs: install_system_libzmq

# idempotent installation of core toolchain
.PHONY: core_toolchain
core_toolchain: install_rustup install_system_libs
	rustup toolchain install ${CORE_RUST_VERSION}

# idempotent installation of tools toolchain
.PHONY: tools_toolchain
tools_toolchain: install_rustup_tools install_system_libs
	rustup toolchain install ${TOOLS_RUST_VERSION}

# idempotent addition of wasm target
.PHONY: ensure_wasm_target
ensure_wasm_target: core_toolchain
	rustup target add wasm32-unknown-unknown --toolchain ${CORE_RUST_VERSION}

# idempotent installation of development tooling
.PHONY: install_rust_tools
install_rust_tools: tools_toolchain
	# rust format
	if ! rustup component list --toolchain $(TOOLS_RUST_VERSION) | grep 'rustfmt-preview.*(installed)'; then \
		rustup component add --toolchain $(TOOLS_RUST_VERSION) rustfmt-preview; \
	fi
	# clippy
	if ! rustup component list --toolchain $(TOOLS_RUST_VERSION) | grep 'clippy-preview.*(installed)'; then \
		rustup component add --toolchain $(TOOLS_RUST_VERSION) clippy-preview; \
	fi

# idempotent installation of code coverage CI/testing tools
#.PHONY: install_ci
#install_ci: core_toolchain
#	# tarpaulin (code coverage)
#	if ! $(CARGO) install --list | grep 'cargo-tarpaulin'; then \
#		RUSTFLAGS="--cfg procmacro2_semver_exempt" $(CARGO) install cargo-tarpaulin; \
#	fi

test: main
	$(CARGO) test
#	RUSTFLAGS="-D warnings" $(CARGO) test  # use this once warnings are fixed

.PHONY: wasm_build
wasm_build: ensure_wasm_target
	cd wasm-test && $(CARGO) build --target wasm32-unknown-unknown

.PHONY: build
build: core_toolchain wasm_build
	$(CARGO) build --all

fmt_check: install_rust_tools
	$(CARGO_TOOLS) fmt -- --check

clippy: install_rust_tools
	$(CARGO_TOOLS) clippy -- -A needless_return --A useless_attribute

fmt: install_rust_tools
	$(CARGO_TOOLS) fmt

# clean up the target directory and all extraneous "C" binding test files
clean:
	-@$(RM) -rf target