C ++ Hello World麻烦OSX10.8 [英] C++ Hello World trouble on OSX10.8

问题描述

我的个人资料已更新，指向我认为正确的位置：

  PATH = $ {PATH}：/ Applications / Xcode.app / Contents / Developer / usr / bin：$ {PATH} 
  

找到编译器

  [11:39:32]〜：$ which g ++ 
 /Applications/Xcode.app/Contents/Developer / usr / bin // g ++ 
 [11:39:35]〜：$ which gcc 
 /Applications/Xcode.app/Contents/Developer/usr/bin//gcc 
  

Hello world如下所示

  #include< iostream> 
 using namespace std; 
 
 int main（）
 {
 cout< 你好，世界！; 
 return 0; 
} 
  

无法从命令行和TextMate执行

  [11:40:15]桌面：$ g ++ untitled.cpp 
 untitled.cpp：1：20：error：iostream：文件或目录
 untitled.cpp：在函数'int main（）'中：
 untitled.cpp：6：错误：'cout'未在此范围内声明
  
 
 
 
 在我的路径中还有其他什么，我失踪了吗？ 
 
 
 
安装Xcode命令行工具
 
 
 
 > 
 
 
 
检查您的 / usr / bin ，并找到：
 
 
 
  
 
 
 
再试一次..一切正常工作
 
 
 
从侧面来看，从OSX10.7升级到OSX10.8很奇怪，删除了这些链接
 
My profile is updated to point to what i think is the right location:
  PATH=${PATH}:/Applications/Xcode.app/Contents/Developer/usr/bin:${PATH}
Compilers are found
[11:39:32] ~: $ which g++
/Applications/Xcode.app/Contents/Developer/usr/bin//g++
[11:39:35] ~: $ which gcc
/Applications/Xcode.app/Contents/Developer/usr/bin//gcc
Hello world looks as follows
#include <iostream>
using namespace std;

int main ()
{
  cout << "Hello World!";
  return 0;
}
Fails to execute both from command line and TextMate with
[11:40:15] Desktop: $ g++ untitled.cpp 
untitled.cpp:1:20: error: iostream: No such file or directory
untitled.cpp: In function ‘int main()’:
untitled.cpp:6: error: ‘cout’ was not declared in this scope
What else should i have in my path and am missing please?
解决方案
The answer is, as always, obvious

Install Xcode Command Line Tools



Check your /usr/bin and find there:



Try again .. Everything works automagically 

On a side note, it is odd that upgrade from OSX10.7 to OSX10.8 removed these links

                        
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