/etc/mk.conf won't cause mutt to try to build using SASL (since it only
supports SASLv1, which conflicts with SASLv2). This fixes PR pkg/26821
by Martin Husemann.
into the bsd.options.mk framework. Instead of appending to
${PKG_OPTIONS_VAR}, it appends to PKG_DEFAULT_OPTIONS. This causes
the default options to be the union of PKG_DEFAULT_OPTIONS and any
old USE_* and FOO_USE_* settings.
This fixes PR pkg/26590.
other to facilitate easier updates of the mail/mutt package when the next
mutt is released. The changes to mail/mutt include:
* convert mail/mutt to use bsd.options.mk
* remove unnecessary patches and use subst.mk instead
Approved by <tron>.
