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无法使用 g++ 编译简单的 C++ 程序

tag-icon • tag-icon 14.04 compiling c++ g++
无法使用 g++ 编译简单的 C++ 程序

当我尝试c++使用编译任何程序时g++，出现以下错误，堆栈跟踪非常长，这只是一个示例：

........... 
/usr/include/x86_64-linux-gnu/bits/byteswap.h:47:2: error: stray ‘\330’ in program
/usr/include/x86_64-linux-gnu/bits/byteswap.h:47:2: error: stray ‘\330’ in program
/usr/include/x86_64-linux-gnu/bits/byteswap.h:47:2: error: stray ‘\340’ in program
/usr/include/x86_64-linux-gnu/bits/byteswap.h:47:2: error: stray ‘\5’ in program
/usr/include/x86_64-linux-gnu/bits/byteswap.h:47:2: error: stray ‘\260’ in program
In file included from /usr/include/endian.h:60:0,
                 from /usr/include/ctype.h:39,
                 from /usr/include/c++/4.8/cctype:42,
                 from /usr/include/c++/4.8/bits/localefwd.h:42,
                 from /usr/include/c++/4.8/ios:41,
                 from /usr/include/c++/4.8/ostream:38,
                 from /usr/include/c++/4.8/iostream:39,
                 from post_test_5.cpp:1:
/usr/include/x86_64-linux-gnu/bits/byteswap.h:1:1: error: expected unqualified-id before numeric constant
/usr/include/x86_64-linux-gnu/bits/byteswap.h:11:2: error: expected unqualified-id before numeric constant
In file included from /usr/include/endian.h:60:0,
                 from /usr/include/ctype.h:39,
                 from /usr/include/c++/4.8/cctype:42,
                 from /usr/include/c++/4.8/bits/localefwd.h:42,
                 from /usr/include/c++/4.8/ios:41,
                 from /usr/include/c++/4.8/ostream:38,
                 from /usr/include/c++/4.8/iostream:39,
                 from post_test_5.cpp:1:
/usr/include/x86_64-linux-gnu/bits/byteswap.h:26:31: error: expected declaration before ‘}’ token

示例代码如下post_test_5.cpp：

#include<iostream>

int main() {

  std::cout << "Hello World" << std::endl;
  return 0;
}

我尝试按如下方式运行它：

g++ -c post_test_5.cpp

我的gcc版本和ubuntu版本是：

gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1) 
kirill@kirill-ThinkPad-X140e:~/CPlusPlusStuff/PostTest$ lsb_release -d
Description:    Ubuntu 14.04 LTS

但是，当我使用gcc命令编译.c文件时，一切都正常工作。

这可能是什么原因造成的？

答案1

看起来（至少）文件/usr/include/x86_64-linux-gnu/bits/byteswap.h不知何故被损坏了。用文本编辑器打开它并检查它是否看起来像一个正常的 C++ 头文件。

如果是这种情况，请使用以下命令重新安装 libc6-dev 包sudo apt-get --reinstall install libc6-dev

如果不是这种情况，您将需要在此处发布文件 post_test_5.cpp 的完整内容以及编译的完整输出。

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