From e9165b8926ba90e43392d80bf84a32658f9f5a44 Mon Sep 17 00:00:00 2001
From: Ting-Wei Lan <lantw44@gmail.com>
Date: Mon, 19 Oct 2015 02:26:00 +0800
Subject: Rewrite Makefile to use default rules specified by POSIX

---
 Makefile        | 21 ---------------------
 Makefile.simple | 10 ++++++++++
 2 files changed, 10 insertions(+), 21 deletions(-)
 delete mode 100644 Makefile
 create mode 100644 Makefile.simple

diff --git a/Makefile b/Makefile
deleted file mode 100644
index e99acd1..0000000
--- a/Makefile
+++ /dev/null
@@ -1,21 +0,0 @@
-TARGET = scanner
-OBJECT = lex.yy.o symboltable.o 
-CC = cc -g
-LEX = flex
-LIBS = -lfl 
-
-scanner:	lex.yy.o symboltable.o
-	$(CC) -o scanner lex.yy.o symboltable.o
-
-symboltable.o: symboltable.c 
-	$(CC) -c symboltable.c 
-
-lex.yy.o: lex.yy.c 
-	$(CC) -c lex.yy.c 
-
-lex.yy.c: lexer.l
-	$(LEX) $(LIB) lexer.l
-
-clean:
-	rm -f $(TARGET) $(OBJECT) 
-
diff --git a/Makefile.simple b/Makefile.simple
new file mode 100644
index 0000000..e5051ed
--- /dev/null
+++ b/Makefile.simple
@@ -0,0 +1,10 @@
+targets = scanner
+scanner_objects = lexer.o symboltable.o
+
+.PHONY: all clean
+
+all: $(targets)
+scanner: $(scanner_objects)
+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(scanner_objects) $(LDLIBS) -o scanner
+clean:
+	rm -f $(targets) $(scanner_objects)
-- 
cgit