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NAME: emacs
VERSION: 23.1
DESCRIPTION: GNU Emacs editor
LICENSE: GPLv3
BUGTRAQ: solaris/utility/emacs
COMMENTS:
This file contains information about the emacs package within the Userland
consolidation. Along with the comments in the Makefile, it documents any
deviations from standard Userland or emacs practice, as well as miscellaneous
information needed to understand how this component is put together.
- We patch the following changes to the emacs sources:
buffer_menu.patch
Fixes an issue with GTK and the Buffers menu where the
menu contents is not updated to show the current buffers
and instead shows a stale list. I based these patches
on the official ones applied to the emacs development branch:
http://lists.gnu.org/archive/html/emacs-diffs/2009-09/msg00039.html
sysmalloc.patch
Use the system malloc instead of the built in one
dldump.patch
Use the native Solaris dldump() function (emacs/src/unexsol.c)
to produce the dumped emacs, rather than the generic ELF
code (emacs-22.1/src/unexelf.c).
xft.patch
Patch configure script to provide necessary missing
libraries for the GTK version of emacs.
etags.patch
The version of etags in Emacs 23.1 has a bug in the function
absolute_filename(). It uses strcpy() to do overlapped string
copies, which is undefined. This patch substitutes memmove(),
which exists specifically to handle that case.
- Emacs can be built as either 32-bit or 64-bit, depending on the target
machine. The benefit of a 64-bit emacs is that the size of the files it
can handle is not limited to 128MB, as it is with the 32-bit version.
For Solaris, we used to build both versions, using /usr/lib/isaexec to
run the 64-bit version if possible, and the 32-bit version otherwise. Note
that this was only done for the emacs binary itself, as there is no
technical need for 64-bit versions of the ancillary programs that come
with emacs (etags, emacsclient, etc).
Fortunately, the vast majority of the files in an emacs tree are identical,
regardless of the platform and/or word size, which makes this particularly
easy to do.
With Solaris 11, all kernels are 64-bit, and we therefore do not need
the 32-bit executables. As such, we only supply 64-bit emacs binaries now,
and the use of usr/lib/isaexec has been removed: This cuts the number of
builds necessary in half, and also the binary package size. It also
simplifies packaging, and the user's view of /usr/bin/emacs*.
Note that we're installing a 64-bit objects in /bin, and
usr/lib/emacs/$(COMPONENT_VERSION)/$(EMACS_ULEVDIR). The userland
pkglint plugin considers these to be a "32-bit path". There is an
RFE to suppress lint for specific attributes:
Bug 17777 - it would be nice if pkglint could suppress specific
messages for specific actions
https://defect.opensolaris.org/bz/show_bug.cgi?id=17777
Until then, we simply assert that the whole action for those files is
linted with
pkg.linted=True
This disables all lint checking for these items, so extra care is needed
not to introduce some other error.
- There are three different toolkit options: None, Athena widgets
(aka Xaw, or lucid), and gtk. It would be nice to only support gtk,
but for purposes of minimization and user preference, we supply binaries
for all three. We follow the Linux model in this regard. The Xaw and no-X
versions are quite stable from release to release, so this isn't a large
burden.
- We deliver the following packages:
gnu-emacs - Everything you need to run emacs, except the
emacs binaries.
gnu-emacs-gtk - Binaries for the X11 version using the GTK toolkit.
gnu-emacs-no-x11 - Pure tty emacs binaries, built without
any X11 linkage. Ideal for headless server systems.
gnu-emacs-x11 - Binaries for the X11 version using the Athena
widget (Xaw) toolkit.
gnu-emacs-lisp - The compressed LISP files for which compiled
versions are delivered by gnu-emacs. These are only needed
for emacs developers and those who like to read source code.
The core gnu-emacs package is required by all of the other packages.
In turn, gnu-emacs requires at least one of the packages supplying an
emacs binary to be installed.
- We do not ship any suid/sgid binaries for obvious security reasons.
We do not install the files under /var/games/emacs. The reason for
this is that we do not install update-game-score as setuid, and
therefore the game files are not usable. This the same decision made
by Debian, among others.
- The depend line in gnu-emacs.p5m requiring one of the three toolkit versions
to be installed currently has the pkg.linted=true attribute set, pending
the resolution of
Bug 18202 - pkglint AttributeError when using require-any depend action
https://defect.opensolaris.org/bz/show_bug.cgi?id=18202