我从 XCode 4.5 创建了简单的命令行应用程序,但是我需要从命令行编译它。如果我删除@autoreleasepool
块和文字数组初始化,我可以使用以下命令编译它:
gcc main.m -o prog -ObjC -framework Foundation
是否可以使用autoreleasepool 和文字编译它?
main.m(为清楚起见,我删除了不相关的部分)
#import <Foundation/Foundation.h>
int main(int argc, const char * argv[])
{
@autoreleasepool
{
NSArray *array = @[@"foo", @"bar"];
NSLog(@"%@", array);
}
return 0;
}
输出:
> gcc main.m -o prog -ObjC -framework Foundation
main.m: In function ‘main’:
main.m:6: error: stray ‘@’ in program
main.m:6: error: ‘autoreleasepool’ undeclared (first use in this function)
main.m:6: error: (Each undeclared identifier is reported only once
main.m:6: error: for each function it appears in.)
main.m:7: error: expected ‘;’ before ‘{’ token
main.m:8: error: stray ‘@’ in program