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 = helloOBJS = hello.oall: $(EXEC)$(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 <stdio.hint main(){printf("Hello, Worldn");return 0;}
5. 将用户程序编译进romfs
# cd ~/uClinux-dist# make menuconfig# make dep# make romfs