Emacs ports: Add lexical-binding cookie to site-wide initialization
As of 9f25d46568b in upstream's master branch, Emacs emits a run-time
warning when lexical binding is unset. This serves as a reminder that
lexical binding is preferred.
Reviewed by: yasu
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D49991
editors/emacs:
- Clarify LICENSE, as it's "or any later version" clause
- Switch to CONFLICTS_INSTALL, as conflicts only happen on install
- Finish OPTIONS helpers conversion
- Convert patch-sources.el to SUB_FILES
- Convert *FLAGS to USES=localbase
- Convert IGNORE and SOUND to _IMPLIES
- Drop DBUS_PTHREAD_LIBS after ports r382294
- Drop default WRKSRC
- Drop clang workaround for unsupported FreeBSD versions
editors/emacs-nox11:
- Kill EMACS_NO_X11_SLAVE in favour of ?= variables
- Conflict with any EMACS_VER
PR: 208217
Submitted by: jbeich