From b0541348aa6495ce44aba34ebfcf481585f7a394 Mon Sep 17 00:00:00 2001
From: Mathieu Maret <mathieu.maret@gmail.com>
Date: Mon, 12 Jun 2017 14:29:01 +0200
Subject: [PATCH] Makefile: simplification and improvment

Default target is the main program.
Use implicit rule for main program.
Generate .d file at compilation time instead of using specific rules
Fix CFLAGS CPPFLAGS usage
---
 Makefile/Makefile | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/Makefile/Makefile b/Makefile/Makefile
index da06de7..a51fc33 100644
--- a/Makefile/Makefile
+++ b/Makefile/Makefile
@@ -1,19 +1,23 @@
-CPPFLAGS ?= -Werror -Wall
+# Preproc options
+# -MMD is used to generate .d files for header dependencies
+CPPFLAGS = -MMD
+# main compilation
+CFLAGS ?= -Werror -Wall
+#Linker flags
+LDFLAGS =
+#Linker path
+LDLIBS =
 
 program = test
 sources = $(wildcard *.c)
 objects = $(sources:%.c=%.o)
 depends = $(sources:%.c=%.d)
 
-%.d: %.c
-	@$(CPP) $(CPPFLAGS) -c -MP -MM -MT "$@ $*.o" $< >$@
-
 $(program): $(objects)
-	$(CXX) -o $@ $^ $(LDFLAGS) $(LDLIBS)
 
 .PHONY: clean
 clean:
-	rm -f $(program) $(objects) $(depends)
+	$(RM) $(program) $(objects) $(depends)
 
 ifneq ($(MAKECMDGOALS),clean)
 -include $(depends)