libX11-6.2.1 and pkg-config 0.23

[Simon Thum]

Simon Thum wrote:
> Pedro Izecksohn wrote:
>> pkg-config --cflags xproto
>>
>>   prints a line-feed only and keysymdef.h exists in my system and it is in
>> the right place.
> Same here, on my local system (gentoo + X11 overlay). In my git tree it
> gives a good-looking -I arg.
Sorry for the noise. I haven't found the issue, but a majority of .pc's
in my system doesn't output cflags. So it's something configuration- or
pkc-config related.