cygwin g ++不产生任何输出 [英] cygwin g++ produces no output

问题描述

我刚刚从cygwin安装了g ++，当我尝试编译C ++文件时，没有得到编译器生成的任何可执行文件，请参见下面的示例。出什么事了？

I just installed g++ from cygwin, when I try to compile a C++ file I am not getting any executable produced by the compiler, see example below. What's going wrong?

 Directory of C:\helloworld

01/02/2011  04:50 PM              .
01/02/2011  04:50 PM              ..
01/02/2011  04:48 PM                94 helloworld.cpp
               1 File(s)             94 bytes
               2 Dir(s)  24,658,272,256 bytes free

C:\helloworld>g++-4 helloworld.cpp

C:\helloworld>dir
 Volume in drive C is OS
 Volume Serial Number is C47B-942D

 Directory of C:\helloworld

01/02/2011  04:50 PM              .
01/02/2011  04:50 PM              ..
01/02/2011  04:48 PM                94 helloworld.cpp
               1 File(s)             94 bytes
               2 Dir(s)  24,657,747,968 bytes free

C:\helloworld>

推荐答案

问题似乎是（从C：\提示符判断）您没有运行Cygwin。尝试双击Cygwin图标。

The problem seems to be (judging from your C:\ prompt) that you are not running Cygwin. Try double-clicking the Cygwin icon.

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