windows CodeBlocks、GCC：更改项目语言 c 和 c++？

CodeBlocks, GCC: change project language c and c++?

提问by Kaije

When I select console project to start with, it lets you to select C or C++. But once its created, I can't figure out how to change it. Plus, when you create a Win32 GUI application, it doesn't give you the option at all and its default is C++.

当我选择控制台项目开始时，它可以让您选择 C ​​或 C++。但是一旦创建，我无法弄清楚如何更改它。另外，当您创建 Win32 GUI 应用程序时，它根本没有给您选项，它的默认值是 C++。

Where can I change to C? I have been looking in all the project settings for ages. Renaming my file from .cppto .cdoesn't seem to do anything, it compiles the file as C++. I know that without the IDE, you just change your executable from g++to gcc, but how do I set this for the current project in CodeBlocks?

哪里可以改成C？我一直在寻找所有项目设置。将我的文件从.cppto重命名.c似乎没有任何作用，它将文件编译为 C++。我知道如果没有 IDE，您只需将可执行文件从 更改g++为gcc，但是如何为 CodeBlocks 中的当前项目设置它？

回答by greatwolf

The only tangible difference between selecting C vs C++ when you create a project is which compiler is invoked for the translation units during a build. Code::Blocks currently does not provide a way to directly change this after project creation. That is to say you would have to change each source file one at a time to get what you want.

创建项目时选择 C ​​与 C++ 之间的唯一明显区别是在构建期间为翻译单元调用哪个编译器。Code::Blocks 目前不提供在项目创建后直接更改它的方法。也就是说，您必须一次更改每个源文件才能获得所需的内容。

Here's what you can do to change it:

您可以执行以下操作来更改它：

• Open the properties window for a source you want to change. You can get to it by right-click source file->properties.

  

• Goto the Advanced tab.

• Find the Compiler variable field and change it from CPPto CC.

  

• Click Ok.
• Repeat this for each source file that needs to be changed.

• 打开要更改的源的属性窗口。您可以通过右键单击源文件-> 属性来访问它。

  

• 转到高级选项卡。

• 找到 Compiler 变量字段并将其从 更改CPP为CC。

  

• 单击确定。
• 对每个需要更改的源文件重复此操作。

Now if your existing project contains a lot of source files you can do this quicker by manually editing the Code::Blocks .cbpproject file (it's just an XML file). The nodes you want to search for and replace will look something like this:

现在，如果您现有的项目包含大量源文件，您可以通过手动编辑 Code::Blocks.cbp项目文件（它只是一个 XML 文件）来更快地完成此操作。您要搜索和替换的节点将如下所示：

<CodeBlocks_project_file>
    <!-- ... -->
    <Project>
        <!-- ... -->

        <Unit filename="source1.cpp">
            <Option compilerVar="CPP" />  <!-- Change CPP to CC here -->
        </Unit>
        <Unit filename="source2.cpp">
            <Option compilerVar="CPP" />  <!-- And here -->
        </Unit>
        <Unit filename="source3.cpp">
            <Option compilerVar="CPP" /> <!-- And here then save. -->
        </Unit>
        <!-- ... -->
    </Project>
</CodeBlocks_project_file>

After the changes, open your project in Code::Blocks and confirm it's being compiled as a C source file. You should see the build log invoking gccnow instead of g++.

更改后，在 Code::Blocks 中打开您的项目并确认它正在编译为 C 源文件。您gcc现在应该看到构建日志调用而不是g++.