Re: [dpdk-dev] [EXT] Re: [PATCH v2 01/13] security: fix verification of parameters

[Thomas Monjalon <thomas@monjalon.net>]

08/04/2020 17:49, Lukasz Wojciechowski:
> Hi guys,
> 
> I don't know what is the current status of "legacy" build using 
> gnumakes, so I added the new DEBUG flag to config just as it was done in 
> other libs like eventdev.
> Many guides still point config files as the one that should be changed 
> in order to enable some features, so I thought I should add it there.
> 
> If I understand well the official build system now is the one based on 
> using meson and ninja, however it hasn't got anything similar to the 
> gnamakefiles system, e.g.
> in the meson.build file for libraries all the libraries have build 
> variable set to true and there are few ifs that check it, but as it's 
> set to true all libraries build always.
> And each library considered there defines RTE_LIBRTE_[LIBRARY_NAME]. 
> It's kind of weird.
> 
>     foreach l:libraries
>     *    build = true**
>     *    reason = '<unknown reason>' # set if build == false to explain why
>          ...
>     *    if not build*
>              dpdk_libs_disabled += name
>              set_variable(name.underscorify() + '_disable_reason', reason)
>          else
>              enabled_libs += name
>     *dpdk_conf.set('RTE_LIBRTE_' + name.to_upper(), 1)*
>          ...
> 
> Have you think about reusing config files in meson configuration and 
> have a single point of configuration? Of course all meson flags can 
> overwrite the default config.

This is on purpose.
We are removing most of compile-time options with meson.

I think we can use a global option for debug-specific code.
Bruce, what do you recommend?