[Kea-users] How to Enable Parser Generation with Meson in Kea 3.0.0?

[Andrei Pavel]

In an attempt to simplify the build interface, parser generation, just 
as other features that can be detected automatically, are enabled 
whenever the required programs are available, in this case: bison 
version 3.3.0 or later or flex version 2.6.4 or later.

You can search for lines such as these displayed on meson setup to 
determine if these programs were found:

Program bison found: YES 3.8.2 3.8.2 (/sbin/bison)
Program flex found: YES 2.6.4 2.6.4 (/sbin/flex)

Or look in `build/config.report` for:

Flex:                 /sbin/flex
Bison:                /sbin/bison

Additionally, if the programs were not found, and if as a result parser 
generation is disabled, trying to generate parsers with "meson compile 
parser" will simply display "Parser generation is disabled."

I hope this helps.

If you have suggestions about how this could be improved, you can open a 
GitLab issue.

--
Andrei Pavel

On 15/07/2025 20:40, Dipesh Kayastha wrote:
>
> Dear Kea Developers,
>
> I have recently upgraded Kea from version 2.6.2 to 3.0.0. In the 
> earlier version (2.6.2), there was a |--enable-generate-parser| option 
> available with the |configure| to enable the generation of parsers 
> during the build process.
>
> However, I noticed that Kea 3.0.0 now uses the Meson build system 
> instead of Autotools, and I couldn't find an equivalent option for 
> |--enable-generate-parser| in the Meson configuration.
>
> Could you please guide me on how to enable parser generation with 
> Meson in Kea 3.0.0? Is there a specific option or environment variable 
> I need to set during the Meson setup?
>
> Any help would be greatly appreciated.
>
>
> Best regards,
> Dipesh Kayastha
>
>
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