MAKEFLAGS += -j1

# Default target
all: out/index.html
phony += all

# Boilerplate
phony += FORCE
.DELETE_ON_ERROR:
.SECONDARY:

# Development server
serve: serve-8000
serve-%: all
	dir=$$(mktemp -d -t) && trap 'fusermount -u "$$dir"; rmdir "$$dir"' EXIT && unionfs -o ro out:src "$$dir" && (cd "$$dir" && python3 -m http.server $*)
phony += serve serve-%

# Clean
clean:
	rm -rf out
phony += clean

# For real files, just let the ./make script take care of it.
$(sort out/index.html $(filter-out $(phony),$(MAKECMDGOALS))): FORCE
	./make

# Boilerplate
.PHONY: $(phony)