On Mon, 21 Nov 2022 10:56:24 +0100 Paul Rolland <rol at witbe.net> wrote: > Have you installed perl-devel ? Yes I have installed perl-devel I have /usr/lib64/perl5/CORE/EXTERN.h but the Claws-mail can't find it. -- Jakub T. Jankiewicz, Senior Front-End Developer https://jcubic.pl/me