PROGRAMS = autoboard

define PROGRAM_template =
BIN_FILES += bin/$(1)
$(1)_SRC = $(wildcard src/$(1)/*.cr)

bin/$(1): $$($(1)_SRC)
	@echo "-- Building $(1)..."
	@shards build $(1)
	@echo "-- done"
endef

$(foreach program,$(PROGRAMS),$(eval $(call PROGRAM_template,$(program))))

all: build

build: $(BIN_FILES)
	echo "Building $(BIN_FILES)"

clean:
	@echo "-- Cleaning $(BIN_FILES)..."
	@rm -f $(BIN_FILES)
	@echo "-- done"

.PHONY: build clean
# Ref: https://www.gnu.org/software/make/manual/html_node/Eval-Function.html