我如何才能说服Eclipse CDT定义了用于源代码编辑和代码完成的宏? [英] How can I convince Eclipse CDT that a macro is defined for source code editing and code completion?

问题描述

我的源代码中有

// foo.cpp
struct foo
{
  foo() {}

  #ifdef I_WANT_THIS_FEATURE
  void bar() {}
  #endif
};

我的Makefile中有

In my Makefile I have

foo.o: foo.cpp
        g++ -c -DI_WANT_THIS_FEATURE foo.cpp -o foo.o

这可以从命令行以及我在Eclipse中创建的外部构建器(基本上定义了一些环境变量并调用 make )进行编译，而我可以调用 foo:: bar().

This compiles fine from the command line as well as with the external builder that I have created in Eclipse (which basically defines a few environment variables and calls make) and I can call foo::bar().

但是，在Eclipse CDT源代码编辑器中，我定义 foo :: bar()的部分具有灰色背景(建议 foo :: bar()>不会包含在构建中)，并且对 foo 类型的对象的代码完成不建议使用 bar()作为可以调用的方法.

However, in the Eclipse CDT source code editor, the part where I define foo::bar() has a grey background (suggesting that foo::bar() would not be included in the build) and code completion on objects of type foo does not suggest bar() as a method that can be called.

如何在带有自定义makefile的Eclipse CDT makefile项目中定义 I_WANT_THIS_FEATURE 宏，以便源代码编辑器和代码完成可以识别该宏?

How can I define the I_WANT_THIS_FEATURE macro in an Eclipse CDT makefile project with custom makefile so that it is known to the source code editor and the code completion?

推荐答案

找到了它:项目->属性-> C/C ++常规->路径和符号

Found it: Project -> Properties -> C/C++ General -> Paths and Symbols

选择符号标签，并添加... 具有名称 I_WANT_THIS_FEATURE 和的新符号>值为 1 .

Choose the Symbols tab and Add... a new Symbol with Name I_WANT_THIS_FEATURE and a Value of 1.

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