[libcg]modify some directory

.gitignore

@@ -4,7 +4,6 @@
 *.map
 *.elf
 *.bin
-*.png
 *.rej
 *.orig
 *.d
@@ -16,8 +15,6 @@
 #
 # Generated files
 #
-!/screenshots/*.png
 /.cproject
 /.project
 /.settings
-/example

Makefile

@@ -1,76 +1,13 @@
 #
-# Makefile for module.
+# Top Makefile
 #
 
-CROSS		?= 
+.PHONY: all clean
 
-
-AS		:= $(CROSS)gcc -x assembler-with-cpp
-CC		:= $(CROSS)gcc
-CXX		:= $(CROSS)g++
-LD		:= $(CROSS)ld
-AR		:= $(CROSS)ar
-OC		:= $(CROSS)objcopy
-OD		:= $(CROSS)objdump
-RM		:= rm -fr
-
-
-ASFLAGS		:= -g -ggdb -Wall -O3 -ffunction-sections -fdata-sections -ffreestanding -std=gnu99
-CFLAGS		:= -g -ggdb -Wall -O3 -ffunction-sections -fdata-sections -ffreestanding -std=gnu99
-CXXFLAGS	:= -g -ggdb -Wall -O3 -ffunction-sections -fdata-sections -ffreestanding -std=gnu99
-LDFLAGS		:= -Wl,-gc-sections
-ARFLAGS		:= -rcs
-OCFLAGS		:= -v -O binary
-ODFLAGS		:=
-MCFLAGS		:=
-
-LIBDIRS		:=
-LIBS 		:= -lm
-
-INCDIRS		:= -I .
-SRCDIRS		:= .
-
-SFILES		:= $(foreach dir, $(SRCDIRS), $(wildcard $(dir)/*.S))
-CFILES		:= $(foreach dir, $(SRCDIRS), $(wildcard $(dir)/*.c))
-CPPFILES	:= $(foreach dir, $(SRCDIRS), $(wildcard $(dir)/*.cpp))
-
-SDEPS		:= $(patsubst %, %, $(SFILES:.S=.o.d))
-CDEPS		:= $(patsubst %, %, $(CFILES:.c=.o.d))
-CPPDEPS		:= $(patsubst %, %, $(CPPFILES:.cpp=.o.d))
-DEPS		:= $(SDEPS) $(CDEPS) $(CPPDEPS)
-
-SOBJS		:= $(patsubst %, %, $(SFILES:.S=.o))
-COBJS		:= $(patsubst %, %, $(CFILES:.c=.o))
-CPPOBJS		:= $(patsubst %, %, $(CPPFILES:.cpp=.o)) 
-OBJS		:= $(SOBJS) $(COBJS) $(CPPOBJS)
-
-OBJDIRS		:= $(patsubst %, %, $(SRCDIRS))
-NAME		:= example
-VPATH		:= $(OBJDIRS)
-
-.PHONY:		all clean
-
-all : $(NAME)
-
-$(NAME) : $(OBJS)
-	@echo [LD] Linking $@
-	@$(CC) $(LDFLAGS) $(LIBDIRS) $^ -o $@ $(LIBS)
-
-$(SOBJS) : %.o : %.S
-	@echo [AS] $<
-	@$(AS) $(ASFLAGS) $(INCDIRS) -c $< -o $@
-	@$(AS) $(ASFLAGS) -MD -MP -MF $@.d $(INCDIRS) -c $< -o $@
-
-$(COBJS) : %.o : %.c
-	@echo [CC] $<
-	@$(CC) $(CFLAGS) $(INCDIRS) -c $< -o $@
-	@$(CC) $(CFLAGS) -MD -MP -MF $@.d $(INCDIRS) -c $< -o $@
-
-$(CPPOBJS) : %.o : %.cpp
-	@echo [CXX] $<
-	@$(CXX) $(CXXFLAGS) $(INCDIRS) -c $< -o $@	
-	@$(CXX) $(CXXFLAGS) -MD -MP -MF $@.d $(INCDIRS) -c $< -o $@
+all:
+	@$(MAKE) -C src all
+	@$(MAKE) -C examples all
 
 clean:
-	@$(RM) $(DEPS) $(OBJS) $(NAME).map $(NAME) *.png *~
-	@echo Clean complete.
+	@$(MAKE) -C src clean
+	@$(MAKE) -C examples clean

README.md

@@ -5,8 +5,7 @@ The tiny `C` library of 2D computer graphics.
 
 ## Getting Started
 
-The library's .c and .h files can be dropped into a project and compiled along with it.
-Just type `make` at the root directory, you will see a  example binary file.
+The library's .c and .h files can be dropped into a project and compiled along with it. Just type `make` at the root directory, you will see a static library and some binary of [examples](examples) for usage.
 
 ```shell
 cd libcg

examples/.gitignore

@@ -0,0 +1,19 @@
+#
+# Normal rules
+#
+*.map
+*.elf
+*.bin
+*.png
+*.rej
+*.orig
+*.d
+*.o
+*.a
+*.so
+*~
+
+#
+# Generated files
+#
+/examples

examples/Makefile

@@ -0,0 +1,71 @@
+#
+# Makefile for application
+#
+
+CROSS_COMPILE	?= 
+
+AS			:= $(CROSS_COMPILE)gcc -x assembler-with-cpp
+CC			:= $(CROSS_COMPILE)gcc
+CXX			:= $(CROSS_COMPILE)g++
+LD			:= $(CROSS_COMPILE)ld
+AR			:= $(CROSS_COMPILE)ar
+OC			:= $(CROSS_COMPILE)objcopy
+OD			:= $(CROSS_COMPILE)objdump
+RM			:= rm -fr
+
+ASFLAGS		:= -g -ggdb -Wall -O3
+CFLAGS		:= -g -ggdb -Wall -O3
+CXXFLAGS	:= -g -ggdb -Wall -O3
+LDFLAGS		:=
+OCFLAGS		:= -v -O binary
+ODFLAGS		:=
+MCFLAGS		:=
+
+LIBDIRS		:= -L ../src
+LIBS 		:= -lcg -lm
+
+INCDIRS		:= -I . -I ../src
+SRCDIRS		:= .
+
+SFILES		:= $(foreach dir, $(SRCDIRS), $(wildcard $(dir)/*.S))
+CFILES		:= $(foreach dir, $(SRCDIRS), $(wildcard $(dir)/*.c))
+CPPFILES	:= $(foreach dir, $(SRCDIRS), $(wildcard $(dir)/*.cpp))
+
+SDEPS		:= $(patsubst %, %, $(SFILES:.S=.o.d))
+CDEPS		:= $(patsubst %, %, $(CFILES:.c=.o.d))
+CPPDEPS		:= $(patsubst %, %, $(CPPFILES:.cpp=.o.d))
+DEPS		:= $(SDEPS) $(CDEPS) $(CPPDEPS)
+
+SOBJS		:= $(patsubst %, %, $(SFILES:.S=.o))
+COBJS		:= $(patsubst %, %, $(CFILES:.c=.o))
+CPPOBJS		:= $(patsubst %, %, $(CPPFILES:.cpp=.o)) 
+OBJS		:= $(SOBJS) $(COBJS) $(CPPOBJS)
+
+OBJDIRS		:= $(patsubst %, %, $(SRCDIRS))
+NAME		:= examples
+VPATH		:= $(OBJDIRS)
+
+.PHONY: all clean
+
+all : $(NAME)
+
+$(NAME) : $(OBJS)
+	@echo [LD] Linking $@
+	@$(CC) $(LDFLAGS) $(LIBDIRS) $^ -o $@ $(LIBS) -static
+
+$(SOBJS) : %.o : %.S
+	@echo [AS] $<
+	@$(AS) $(ASFLAGS) -MD -MP -MF $@.d $(INCDIRS) -c $< -o $@
+
+$(COBJS) : %.o : %.c
+	@echo [CC] $<
+	@$(CC) $(CFLAGS) -MD -MP -MF $@.d $(INCDIRS) -c $< -o $@
+
+$(CPPOBJS) : %.o : %.cpp
+	@echo [CXX] $<
+	@$(CXX) $(CXXFLAGS) -MD -MP -MF $@.d $(INCDIRS) -c $< -o $@
+
+clean:
+	@$(RM) $(DEPS) $(OBJS) $(NAME) *.png
+
+sinclude $(DEPS)

src/Makefile

@@ -0,0 +1,61 @@
+#
+# Makefile for library
+#
+
+CROSS_COMPILE	?= 
+
+AS			:= $(CROSS_COMPILE)gcc -x assembler-with-cpp
+CC			:= $(CROSS_COMPILE)gcc
+CXX			:= $(CROSS_COMPILE)g++
+LD			:= $(CROSS_COMPILE)ld
+AR			:= $(CROSS_COMPILE)ar
+OC			:= $(CROSS_COMPILE)objcopy
+OD			:= $(CROSS_COMPILE)objdump
+RM			:= rm -fr
+
+ASFLAGS		:= -g -ggdb -Wall -O3 -ffunction-sections -fdata-sections -ffreestanding -std=gnu99
+CFLAGS		:= -g -ggdb -Wall -O3 -ffunction-sections -fdata-sections -ffreestanding -std=gnu99
+CXXFLAGS	:= -g -ggdb -Wall -O3 -ffunction-sections -fdata-sections -ffreestanding -std=gnu99
+INCDIRS		:= -I .
+SRCDIRS		:= .
+
+SFILES		:= $(foreach dir, $(SRCDIRS), $(wildcard $(dir)/*.S))
+CFILES		:= $(foreach dir, $(SRCDIRS), $(wildcard $(dir)/*.c))
+CPPFILES	:= $(foreach dir, $(SRCDIRS), $(wildcard $(dir)/*.cpp))
+
+SDEPS		:= $(patsubst %, %, $(SFILES:.S=.o.d))
+CDEPS		:= $(patsubst %, %, $(CFILES:.c=.o.d))
+CPPDEPS		:= $(patsubst %, %, $(CPPFILES:.cpp=.o.d))
+DEPS		:= $(SDEPS) $(CDEPS) $(CPPDEPS)
+
+SOBJS		:= $(patsubst %, %, $(SFILES:.S=.o))
+COBJS		:= $(patsubst %, %, $(CFILES:.c=.o))
+CPPOBJS		:= $(patsubst %, %, $(CPPFILES:.cpp=.o)) 
+OBJS		:= $(SOBJS) $(COBJS) $(CPPOBJS)
+
+NAME		:= libcg.a
+
+.PHONY: all clean
+
+all : $(NAME)
+
+$(NAME) : $(OBJS)
+	@echo [AR] Archiving $@
+	@$(AR) -rcs $@ $(OBJS)
+
+$(SOBJS) : %.o : %.S
+	@echo [AS] $<
+	@$(AS) $(ASFLAGS) -MD -MP -MF $@.d $(INCDIRS) -c $< -o $@
+
+$(COBJS) : %.o : %.c
+	@echo [CC] $<
+	@$(CC) $(CFLAGS) -MD -MP -MF $@.d $(INCDIRS) -c $< -o $@
+
+$(CPPOBJS) : %.o : %.cpp
+	@echo [CXX] $<
+	@$(CXX) $(CXXFLAGS) -MD -MP -MF $@.d $(INCDIRS) -c $< -o $@
+
+clean:
+	@$(RM) $(DEPS) $(OBJS) $(NAME)
+
+sinclude $(DEPS)