Add snippet base for basic C Makefile

snippets/make.snippets

@@ -1,3 +1,23 @@
+# base
+snippet base
+	.PHONY: clean, mrproper
+	CC = gcc
+	CFLAGS = -g -Wall
+
+	all : $1
+
+	%.o : %.c
+		$(CC) $(CFLAGS) -c -o $@ $<
+	
+	${1:out} : $1.o
+		$(CC) $(CFLAGS) -o $@ $+
+
+	clean :
+		rm -f *.o core.*
+
+	mrproper : clean
+		rm -f $1
+# ifeq
 snippet ifeq
 	ifeq (${1:cond0},${2:cond1})
 		${0}