From 5fe2cc5264b28726a6a43e2141d252caa66d37f9 Mon Sep 17 00:00:00 2001
From: Teddy <ted.sybil@gmail.com>
Date: Tue, 13 Aug 2013 17:59:52 +0800
Subject: new version Makefile

---
 Makefile | 39 ++++++++++++++++++++++++++++++---------
 1 file changed, 30 insertions(+), 9 deletions(-)

diff --git a/Makefile b/Makefile
index 48e2d8e..50b7f45 100644
--- a/Makefile
+++ b/Makefile
@@ -1,18 +1,39 @@
-sonsi: main.o parser.o builtin.o model.o eval.o exc.o consts.o types.o gc.o
-	g++ -o sonsi $^ -pg -lgmp
+CXX = g++ -DGMP_SUPPORT
+BUILD_DIR = build
 
-.cpp.o:
-	g++ $< -c -g -DGMP_SUPPORT -Wall -DGC_INFO
+all: release
+debug: CXX += -g -pg
+gc_debug: CXX += -DGC_INFO -DGC_DEBUG -g -pg
+
+release: $(BUILD_DIR) $(BUILD_DIR)/sonsi
+debug: $(BUILD_DIR) $(BUILD_DIR)/sonsi
+gc_debug: $(BUILD_DIR) $(BUILD_DIR)/sonsi
+
+_OBJS = main.o \
+	parser.o builtin.o \
+	model.o eval.o exc.o \
+	consts.o types.o gc.o
+
+
+OBJS = $(patsubst %, $(BUILD_DIR)/%, $(_OBJS))
+
+$(BUILD_DIR)/sonsi: $(OBJS) 
+	$(CXX) -o $(BUILD_DIR)/sonsi $^ -lgmp
+
+$(BUILD_DIR):
+	mkdir -p $(BUILD_DIR)
+
+$(BUILD_DIR)/%.o : %.cpp
+	$(CXX) -o $@ -c $< -Wall -O2
 
 clean:
-	rm -f *.o
-	rm -f sonsi
+	rm -rf $(BUILD_DIR)
 
 db:
-	gdb sonsi
+	gdb $(BUILD_DIR)/sonsi
 
 cdb:
-	cgdb sonsi
+	cgdb $(BUILD_DIR)/sonsi
 
 run:
-	./sonsi
+	./$(BUILD_DIR)/sonsi
-- 
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