如何在控制台通过命令行编译 Objective

如何在控制台通过命令行编译 Objective

总目录 iOS开发笔记目录 从一无所知到入门

文章目录

• • 命令行编译运行OC程序
  • • 文件目录
    • 不加 `-framework` 参数导致的错误

命令行编译运行OC程序

就一行命令：编译 cc helloWYJ.m -framework Foundation -o helloWYJ
运行：./helloWYJ

wuyujin1997@mac11 demo % pwd
/Users/wuyujin1997/Desktop/Coderepo/demo
wuyujin1997@mac11 demo % ls
helloObjectC	helloWYJ.m
wuyujin1997@mac11 demo % more helloWYJ.m 
#import <Foundation/Foundation.h>int main() {NSLog(@"Hello wuyujin1997");printf("你好啊 李银河n");return 0;
}wuyujin1997@mac11 demo % cc helloWYJ.m -framework Foundation -o helloWYJ
wuyujin1997@mac11 demo % ls
helloObjectC	helloWYJ	helloWYJ.m
wuyujin1997@mac11 demo % ./helloWYJ 
2023-02-21 22:11:22.501 helloWYJ[21301:680812] Hello wuyujin1997
你好啊 李银河
wuyujin1997@mac11 demo % 

文件目录

不加 -framework 参数导致的错误

wuyujin1997@mac11 demo % cc helloWYJ.m -o helloWYJ
Undefined symbols for architecture arm64:"_NSLog", referenced from:_main in helloWYJ-0fafa2.o"___CFConstantStringClassReference", referenced from:CFString in helloWYJ-0fafa2.o
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
wuyujin1997@mac11 demo %                          
wuyujin1997@mac11 demo % 
wuyujin1997@mac11 demo % 
wuyujin1997@mac11 demo % cc helloWYJ.m -framework Foundation -o helloWYJ
wuyujin1997@mac11 demo % ./helloWYJ 
2023-02-21 22:15:28.398 helloWYJ[21372:683059] Hello wuyujin1997
你好啊 李银河
wuyujin1997@mac11 demo %