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System Requirements
===================
Mailcrypt is designed for use with FSF Emacs 19.29 (and higher) or
XEmacs 19.13 (and higher). Mailcrypt absolutely requires at least FSF
Emacs 19.28 or XEmacs 19.12. With some effort, earlier versions might
be made to work, but this is not supported.
Mailcrypt is also designed for use with PGP version 2.6 or higher,
with the exception of 2.6ui (which is really just 2.3a in disguise).
It is trivial to make Mailcrypt work with earlier versions, however;
see below.
Basic Installation
==================
The simplest way to build and install Mailcrypt is:
1. `cd' to the Mailcrypt source directory and type `./configure' to
configure Mailcrypt for your system.
2. Type `make' to build the byte-compiled Lisp files.
3. Type `make install' to install the Mailcrypt Lisp files and Info
manual.
Load Path
=========
If you use VM, RMAIL, MH-E, or GNUS and the respective package is not
in your default load-path, Mailcrypt may fail to byte compile
correctly. (Emacs does not load your `.emacs' file when run in batch
mode.) If this applies to you, edit Mailcrypt's `load-path.hack' file
to add the appropriate directory to the load-path during byte
compilation.
Installation Names
==================
By default, `make install' will install the package's files in
`/usr/local/info' and `/usr/local/share/emacs/site-lisp'. You can
specify an installation prefix other than `/usr/local' by giving
`configure' the option `--prefix=PATH'.
If your installed copy of Emacs 19 is named something other than
`emacs' or `xemacs', you will need to tell `make' where to find it so
that it can correctly byte-compile the Mailcrypt sources.
For example, to force the use of XEmacs you might do:
./configure
make EMACS=xemacs
make install
Also, the `--prefix=PATH' option to `configure' may not be general
enough to set the paths you want. If not, you can pass variables to
the `make' command to control the installation.
For example, to put the Lisp files in `$HOME/elisp' and the Info file
in `$HOME/info', you would type:
./configure
make
make lispdir=$HOME/elisp infodir=$HOME/info install
FSF Emacs 19.28
===============
Mailcrypt's installation procedure assumes the directory structure
used by FSF Emacs 19.29 (e.g., `/usr/local/share/emacs/site-lisp').
If you are using 19.28, you will need to use an installation command
like the following:
make datadir=/usr/local/lib install
This is the *only* special action required to install Mailcrypt for
FSF Emacs 19.28.
XEmacs 19.12
============
Mailcrypt requires the `easymenu' package, which is bundled with FSF
Emacs 19.28 (and higher) and with XEmacs 19.13 (and higher). If you
are using XEmacs 19.12, you will need to obtain a copy of this package
and install it somewhere in your load-path. The easiest way is to go
to
ftp://archive.cis.ohio-state.edu/pub/gnu/emacs/elisp-archive/
and obtain the latest version of `auc-menu.el'. Install it in your
load path under the name `easymenu.el'. (Don't ask why.)
Obsolete PGP versions
=====================
Versions of PGP prior to 2.6 (including version 2.6ui, which is just a
hacked 2.3a) do not support the "+comment" option, which Mailcrypt
uses for gratuitous advertising. To use Mailcrypt with such a version
(or just to suppress the message), add the following line to your
`.emacs' file:
(setq mc-pgp-comment nil)
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