Makefile

# Flags to fidlbolt server.
PORT ?= 8080
VERBOSE ?= 0

# If 0, use files directly from $FUCHSIA_DIR.
# If 1, use files from ./support (see ./copy_support_files.sh).
SUPPORT ?= 0

# Detect host platform.
UNAME_S := $(shell uname -s)
ifeq ($(UNAME_S),Linux)
HOST_PLATFORM := linux-x64
else ifeq ($(UNAME_S),Darwin)
HOST_PLATFORM := mac-x64
else
$(error Unsupported platform $(UNAME_S))
endif

# Set paths to external resources used by the server.
ifeq ($(SUPPORT),1)
ifeq ($(wildcard support),)
$(error "No ./support directory found. Run ./copy_support_files.sh")
endif
BIN := ./support/bin
ETC := ./support/etc
FIDL := ./support/sdk/fidl:./support/zircon/system/fidl
else
BUILD_DIR := $(FUCHSIA_DIR)/$(file < $(FUCHSIA_DIR)/.fx-build-dir)
RUST_BIN := $(FUCHSIA_DIR)/prebuilt/third_party/rust/$(HOST_PLATFORM)/bin
BIN := $(BUILD_DIR)/host_x64:$(BUILD_DIR).zircon/tools:$(RUST_BIN)
ETC := $(FUCHSIA_DIR)
FIDL := $(FUCHSIA_DIR)/sdk/fidl:$(FUCHSIA_DIR)/zircon/system/fidl
endif

# Path to the server binary.
SERVER := backend/dist/fidlbolt

.PHONY: all help frontend backend run format clean

all: frontend backend

help:
	@echo "Targets:"
	@echo "    all        Build everything."
	@echo "    help       Show this help message."
	@echo "    frontend   Build the frontend/dist bundle using webpack."
	@echo "               For more build options: cd frontend && npm run."
	@echo "    backend    Build the $(SERVER) server binary."
	@echo "    run        Run the fidlbolt server on \$$PORT."
	@echo "               Set VERBOSE=1 to enable verbose logging."
	@echo "               Set SUPPORT=1 to use files in ./support instead of"
	@echo "               \$$FUCHSIA_DIR (see ./copy_support_files.sh)."
	@echo "               Note: rebuilds targets only if they do not exist."
	@echo "               To ensure an up-to-date server: make && make run."
	@echo "    format     Auto-format all code."
	@echo "    clean      Remove all generated files."

frontend: frontend/dist

frontend/node_modules: frontend/package*.json
	cd frontend && npm ci

frontend/dist: frontend/node_modules frontend/src/* frontend/src/elm/*
	cd frontend && npm run build

backend: $(SERVER)

$(SERVER): backend/go.mod backend/*.go
	cd backend && go build -o ../$@

run: $(if $(wildcard frontend/dist),,frontend)
run: $(if $(wildcard $(SERVER)),,backend)
ifndef FUCHSIA_DIR
	$(error FUCHSIA_DIR is not defined. Either pass in FUCHSIA_DIR="path" or define the variable)
endif
	./$(SERVER) \
		-static=frontend/dist \
		-bin=$(BIN) \
		-etc=$(ETC) \
		-fidl=$(FIDL) \
		-port=$(PORT) \
		-verbose=$(VERBOSE)

format:
	cd frontend && npm run fix
	cd backend && go fmt

clean:
	rm -rf backend/dist/
	rm -rf frontend/dist/
	rm -rf support/