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最新推荐文章于 2024-04-02 00:07:55 发布

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本文记录了一次解决GCC4.7编译器出现编译错误的经历，通过更换使用GCC4.8.5成功编译并运行C++程序，解决了因编译器损坏导致的无法编译问题。

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在codeblocks上瞎鼓捣了几天，把gcc4.7编译器搞坏了，请教大神，看大神show:

:~/Desktop/cpp$ gedit test.cpp

~/Desktop/cpp$ g++ test.cpp

In file included from /usr/include/c++/4.7/ios:40:0,
                 from /usr/include/c++/4.7/ostream:40,
                 from /usr/include/c++/4.7/iostream:40,
                 from test.cpp:1:
/usr/include/c++/4.7/exception:121:4: error: stray ‘@’ in program
In file included from /usr/include/c++/4.7/ios:40:0,
                 from /usr/include/c++/4.7/ostream:40,
                 from /usr/include/c++/4.7/iostream:40,
                 from test.cpp:1:
/usr/include/c++/4.7/exception:1:2: error: ‘Exception’ does not name a type
/usr/include/c++/4.7/exception:9:24: error: ‘you’ does not name a type
/usr/include/c++/4.7/exception:11:32: error: ‘either’ does not name a type
/usr/include/c++/4.7/exception:15:28: error: ‘without’ does not name a type
/usr/include/c++/4.7/exception:25:2: error: ‘see’ does not name a type
In file included from /usr/include/c++/4.7/ios:40:0,
                 from /usr/include/c++/4.7/ostream:40,
                 from /usr/include/c++/4.7/iostream:40,
                 from test.cpp:1:
/usr/include/c++/4.7/exception:37:37: error: expected declaration before end of line

~/Desktop/cpp$ g++ --version

~/Desktop/cpp$ g++-4. --version
g++-4.7 g++-4.8

~/Desktop/cpp$ g++-4.8 --version
g++-4.8 (Ubuntu 4.8.5-2ubuntu1~14.04.1) 4.8.5

                     ~/Desktop/cpp$ g++-4.8 test.cpp
         ~/Desktop/cpp$ ls
a.out evaluate_object.cpp mail.h test.cpp

                   ~/Desktop/cpp$ ./main
bash: ./main: No such file or directory
                     ~/Desktop/cpp$ ./a.out
test

大神用另一个gcc4.8.5编译运行的。

下面模仿一个：

~/Desktop/cpp$ gedit ff.cpp
~/Desktop/cpp$ g++-4.8 -O3 -DNDEBUG -o main ff.cpp

~/Desktop/cpp$ ls
a.out evaluate_object.cpp ff.cpp ff.cpp~ mail.h main test.cpp test.cpp~

~/Desktop/cpp$ ./main
testhhhh