命令行上的CMake传递列表 [英] CMake Passing Lists on Command Line

问题描述

作为cmake构建系统的一部分，我需要运行swig.我希望用户能够指定要传递给swig的语言列表，并在命令行上指定它们.

I need to run swig as part of my cmake build system. I want the user to be able to specify a list of languages to pass to swig and specify them on the command line.

$ cmake -DSWIG_LANGUAGES=java,scala <path to cmake_source_dir>

cmake是否有内置方法来处理此问题?

Is there a built in way for cmake to handle this?

推荐答案

您可以使用分号来分隔列表项.由于分号是类Unix外壳中的特殊字符，因此您需要对其进行转义或使用引号.以下任何命令均可工作:

You can use semicolons to separate list items. Since semicolon is a special character in unix-like shells, you need to escape it or use quotes. Any of the following commands work:

cmake -DSWIG_LANGUAGES=java\;scala ...
cmake "-DSWIG_LANGUAGES=java;scala" ...
cmake '-DSWIG_LANGUAGES=java;scala' ...

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