Add multiarch targets

Makefile

@@ -12,6 +12,17 @@ TARGETS = $(addprefix dist/,$(TARGET_ALIAS))
 .PHONY: all
 all: $(TARGETS)
 
+## Multi-arch targets
+$(TARGETS): $(GOFILES)
+	mkdir -p ./dist
+	GOOS=$(word 2, $(subst -, ,$(@))) GOARCH=$(word 3, $(subst -, ,$(@))) CGO_ENABLED=0 \
+		 go build -ldflags '-X "main.version=${VERSION}"' -a -installsuffix nocgo \
+		 -o $@
+
+.PHONY: $(TARGET_ALIAS)
+$(TARGET_ALIAS):
+	$(MAKE) $(addprefix dist/,$@)
+
 # Build app for the current machine
 $(APP_NAME): $(GOFILES)
 	@echo Version: $(VERSION)