From dcb5b4add5a003b9bc4e70696995f46ad373a3d6 Mon Sep 17 00:00:00 2001
From: Holger Obermaier <40787752+ho-ob@users.noreply.github.com>
Date: Wed, 19 Jan 2022 16:41:32 +0100
Subject: [PATCH] Define source code dependencies in Makefile

---
 Makefile | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/Makefile b/Makefile
index e82685e..f49162e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,20 +1,27 @@
 APP = cc-metric-collector
+GOSRC_APP        := metric-collector.go
+GOSRC_COLLECTORS := $(wildcard collectors/*.go)
+GOSRC_SINKS      := $(wildcard sinks/*.go)
+GOSRC_RECEIVERS  := $(wildcard receivers/*.go)
+GOSRC            := $(GOSRC_APP) $(GOSRC_COLLECTORS) $(GOSRC_SINKS) $(GOSRC_RECEIVERS)
 
+.PHONY: all
 all: $(APP)
 
-$(APP): metric-collector.go
+$(APP): $(GOSRC)
 	make -C collectors
 	go get
-	go build -o $(APP) metric-collector.go
+	go build -o $(APP) $(GOSRC_APP)
 
+.PHONY: clean
 clean:
 	make -C collectors clean
 	rm -f $(APP)
 
+.PHONY: fmt
 fmt:
-	go fmt collectors/*.go
-	go fmt sinks/*.go
-	go fmt receivers/*.go
-	go fmt metric-collector.go
+	go fmt $(GOSRC_COLLECTORS)
+	go fmt $(GOSRC_SINKS)
+	go fmt $(GOSRC_RECEIVERS)
+	go fmt $(GOSRC_APP)
 
-.PHONY: clean