changelog: https://irssi.org/2022/07/17/irssi-1.4.2-released/
- switches to meson
- restores perl ${MACHINE_ARCH} paths by removing -Dwith-perl-lib
- uses SUBST_CMD, meson.build patch and post-install snippet to
configure the port to use /etc/irssi/ and install sample configuration
files to share/examples/irssi/
- add devel/glib2 to LIB_DEPENDS-otr and regen WANTLIB
feedback from and ok sthen@
4cdc05de6e