Basic apis' ready

Makefile

@@ -3,7 +3,7 @@ CFG ?= debug
 
 # Config specific settings
 ifeq ($(CFG),debug)
-CFLAGS += -DDEBUG
+CFLAGS += -g -DDEBUG
 else
 CFLAGS += -O3 -DNDEBUG
 endif
@@ -22,13 +22,18 @@ endif
 
 rule : dep | inform
 
-BUILD_DIR = build/$(CFG)
-OBJS_DIR = $(BUILD_DIR)/objs
+BUILD_DIR=bin/$(CFG)
+OBJS_DIR=objs/$(CFG)
+LIBDIR=lib/${CFG}
+SRCDIR=src
 #--------------------------------------------------
 
 
-BINARY=$(BUILD_DIR)/fsm
-CODEDIRS=. ./src
+APP=$(BUILD_DIR)/app
+APP_OBJECT=$(OBJS_DIR)/app.o
+FSMLIB_NAME=fsm
+FSMLIB=$(LIBDIR)/lib$(FSMLIB_NAME)
+CODEDIRS=./src
 INCDIRS=. ./include/ # can be list
 
 CC=gcc
@@ -36,7 +41,7 @@ OPT=-O0
 #generate files that encode make rules for the .h dependencies
 DEPFLAGS=-MP -MD
 #automatically add the -I onto each include directory
-CFLAGS=-Wall -Wextra -g $(foreach D,$(INCDIRS),-I$(D)) $(OPT) $(DEPFLAGS)
+CFLAGS+=-Wall -Wextra $(foreach D,$(INCDIRS),-I$(D)) $(OPT) $(DEPFLAGS)
 
 # for-style iteration (foreach) and regular expression completions (wildcard)
 CFILES=$(foreach D, $(CODEDIRS),$(wildcard $(D)/*.c))
@@ -44,18 +49,31 @@ CFILES=$(foreach D, $(CODEDIRS),$(wildcard $(D)/*.c))
 OBJECTS=$(patsubst %.c,$(OBJS_DIR)/%.o,$(CFILES))
 DEPFILES=$(patsubst %.c,$(OBJS_DIR)/%.d,$(CFILES))
 
-all: $(BINARY)
+all: $(FSMLIB) $(APP) | create_dir
 
-$(BINARY): $(OBJECTS)
-	$(CC) -o $@ $^
+create_dir:
+	mkdir -p $(BUILD_DIR)
+	mkdir -p $(OBJS_DIR)
+	mkdir -p $(LIBDIR)
+
+
+$(APP): $(APP_OBJECT) | create_dir
+	$(CC) -o $@ $^ -L $(LIBDIR) -l$(FSMLIB_NAME)
+
+$(FSMLIB): $(OBJECTS) | create_dir
+	ar cr $(LIBDIR)/${FSMLIB}.a ${OBJECTS}
 
 # only want the .c file dependency here, thus $< instead of $^.
 #
-%.o:%.c
+$(OBJS_DIR)/%.o:$(SRCDIR)/%.c | create_dir
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+$(OBJS_DIR)/%.o:%.c | create_dir
 	$(CC) $(CFLAGS) -c -o $@ $<
 
 clean:
-	rm -rf $(BINARY) $(OBJECTS) $(DEPFILES)
+	rm -rf $(APP) $(APP_OBJECT) $(OBJECTS) $(DEPFILES)
+	rm -rf $(BUILD_DIR) $(OBJS_DIR) $(LIBDIR)
 
 # shell commands are a set of keystrokes away
 distribute: clean