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uClinux中添加用户应用程序的详细方法

1. uClinux-dist/user/Makefile

dir_$(CONFIG_USER_HELLO_WORLD)

+= hello

2. uClinux-dist/config/Configure.help

CONFIG_USER_HELLO_WORLD

A simple hello world program

3. uClinux-dist/config/config.in

找到下面两行

mainmenu_option next_comment

comment 'Miscellaneous Applications'

添加如下一行

bool 'hello'

CONFIG_USER_HELLO_WORLD

4.1.uClinux-dist/user/hello/Makefile

EXEC = hello

OBJS = hello.o

all: $(EXEC)

$(EXEC): $(OBJS)

$(CC) $(LDFLAGS) -o $@ $(OBJS) $(LDLIBS)

romfs:

$(ROMFSINST)  /bin/$(EXEC)

clean:

-rm -f $(EXEC) *.elf *.gdb *.o

4.2.uClinux-dist/user/hello/hello.c

#include

int main()

{

printf("Hello, World

");

return 0;

}

5. 将用户法度榜样编译进romfs

# cd ~/uClinux-dist

# make menuconfig

# make dep

# make romfs

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