xbps-src: new vopt_onoff helper

CMake helper function used to set bool argument values

Usage example:

    configure_args+=" $(vopt_onoff logging WITH_LOGGING)"

    configure_args+=" -DWITH_LOGGING=OFF"
This commit is contained in:
Michael Carlberg 2016-11-19 07:22:22 +01:00 committed by Toyam Cox
parent d64bf2f920
commit d5c58a3c60
2 changed files with 15 additions and 0 deletions

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@ -827,6 +827,11 @@ package accordingly. Additionally, the following functions are available:
Emits an error and exits if both options are set at the same time.
- *vopt_onoff()* `vopt_onoff <option> <property>`
Outputs `-D<property>=ON` if the option is set, or
`-D<property>=OFF` otherwise.
The following example shows how to change a source package that uses GNU
configure to enable a new build option to support PNG images: