What Does the `-H.` Option Means For Cmake?

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The -h. option for CMake stands for "Show extra non-cached variables." When used, it provides a list of additional variables that are available for configuration but are not cached. This can be helpful for developers who want to see all available options for their project configuration.


What is the level of verbosity set by the -h. option in cmake?

The -h option in CMake is used to print a short usage message and exit. This does not set a specific level of verbosity, but simply provides a brief summary of the available command line options for CMake.


What is the purpose of the help message generated by the -h. option in cmake?

The purpose of the help message generated by the -h option in CMake is to provide users with information on how to use CMake's command-line interface. It includes a list of available command-line options, their descriptions, usage examples, and other relevant information to help users navigate and utilize the tool effectively. This help message is designed to assist users in understanding the various options and commands available in CMake and to provide guidance on using them correctly.


How to use the online help feature with the -h. option in cmake?

To use the online help feature with the -h option in CMake, you simply need to run the cmake command followed by the -h option.


Here is an example:

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cmake -h


This command will display a list of available command line options and their descriptions. You can use this information to learn more about how to use CMake and its various options.


How to combine multiple -h. options in a single command in cmake?

In order to combine multiple -h. options in a single command in CMake, you can simply list the options one after the other with a space in between them. For example:

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cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Debug ..


In this example, we are combining the -G and -DCMAKE_BUILD_TYPE options in a single command to specify the generator and build type for the CMake project. Just make sure to separate each option with a space to ensure they are interpreted correctly by CMake.


How to use the -h. option to display version information in cmake?

To use the -h option to display version information in CMake, you can simply run the following command in your terminal:

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cmake -h


This will display a list of available command-line options for CMake, including the -version and -help options that you can use to display version information.


How to determine the available options for the -h. flag in cmake?

To determine the available options for the -h flag in CMake, you can run the following command in your terminal:

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cmake -h


This will display a list of the available command line options for CMake, including the -h flag. You can also view the CMake documentation online for more detailed information on the available options.

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