Re: [PATCH] Use PKG_CHECK_MODULES to detect the libxml2 library

> On 10 Mar 2020, at 18:38, Peter Eisentraut <peter.eisentraut@2ndquadrant.com> wrote:
>
> On 2020-03-10 12:41, Daniel Gustafsson wrote:
>>> On 10 Mar 2020, at 11:53, Hugh McMaster <hugh.mcmaster@outlook.com> wrote:
>>> Debian (and Ubuntu) are beginning to remove foo-config legacy scripts.
>>> Already, xml2-config has been flagged for removal, with packages being
>>> asked to switch to pkg-config.
>>>
>>> This patch uses pkg-config's PKG_CHECK_MODULES macro to detect libxml2
>>> or, if pkg-config is not available, falls back to xml2-confg.
>> This was previously discussed in 20200120204715.GA73984@msg.df7cb.de which
>> ended without a real conclusion on what could/should be done (except that
>> nothing *had* to be done).
>> What is the situation on non-Debian/Ubuntu systems (BSD's, macOS etc etc)?  Is
>> it worth adding pkg-config support if we still need a fallback to xml2-config?
>
> Btw., here is an older thread for the same issue
<https://www.postgresql.org/message-id/flat/1358164265.29612.7.camel%40vanquo.pezone.net>. Might be worth reflecting on
theissues discussed there. 

Thanks, didn't realize that the subject had been up for discussion earlier as
well.

For me, the duplication aspect is the most troubling, since we'd still need the
xml2-config fallback and thus won't be able to simplify the code.

cheers ./daniel