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Proof General has its own home page hosted at Edinburgh. Visit this page for the latest news!
| A.1 Obtaining Proof General | ||
| A.2 Installing Proof General from tarball | ||
| A.3 Setting the names of binaries | ||
| A.4 Notes for syssies |
You can obtain Proof General from the URL
http://proofgeneral.inf.ed.ac.uk. |
The distribution is available in as a tarball. It may be redistributed by third party packagers in other forms.
Two versions are available:
The source tarball includes the generic elisp code, and code for LEGO, Coq, Isabelle, and other provers. Also included are installation instructions (reproduced in brief below) and this documentation.
For access to the source code repository, please see the Proof General web page http://proofgeneral.inf.ed.ac.uk/devel.
Copy the distribution to some directory mydir. Unpack it there. For example:
# cd mydir # tar -xpzf ProofGeneral-version.tgz |
If you downloaded the version called latest, you’ll find it unpacks to a numeric version number.
Proof General will now be in some subdirectory of mydir. The name of the subdirectory will depend on the version number of Proof General. For example, it might be ‘ProofGeneral-4.0’. It’s convenient to link it to a fixed name:
# ln -sf ProofGeneral-4.0 ProofGeneral |
Now put this line in your ‘.emacs’ file:
(load-file "mydir/ProofGeneral/generic/proof-site.el") |
The load-file command you have added will load ‘proof-site’
which sets the Emacs load path for Proof General and add auto-loads and
modes for the supported assistants.
The default names for proof assistant binaries may work on your system. If not, you will need to set the appropriate variables. The easiest way to do this (and most other customization of Proof General) is via the Customize mechanism, see the menu item:
Proof-General -> Advanced -> Customize -> Name of Assistant -> Prog Name |
The Proof-General menu is available from script buffers after Proof General is loaded. To load it manually, type
M-x load-library RET proof RET |
If you do not want to use customize, simply add a line like this:
(setq coq-prog-name "/usr/bin/coqtop -emacs") |
to your ‘.emacs’ file.
Here are some more notes for installing Proof General in more complex ways. Only attempt things in this section if you really understand what you’re doing!
Compilation of the Emacs lisp files improves efficiency but can
sometimes cause compatibility problems, especially if you use more than
one version of Emacs with the same .elc files.
If you discover problems using the byte-compiled .elc files which
aren’t present using the source .el files, please report them to
us.
You can compile Proof General by typing make in the directory
where you installed it. It may be necessary to do this if you use
a different version of Emacs.
If you are installing Proof General site-wide, you can put the
components in the standard directories of the filesystem if you prefer,
providing the variables in ‘proof-site.el’ are adjusted
accordingly (see Proof General site configuration in
Adapting Proof General for more details). Make sure that
the ‘generic/’ and assistant-specific elisp files are kept in
subdirectories (‘coq/’, ‘isa/’, ‘lego/’) of
proof-home-directory so that the autoload directory calculations
are correct.
To prevent every user needing to edit their own ‘.emacs’ files, you
can put the load-file command to load ‘proof-site.el’ into
‘site-start.el’ or similar. Consult the Emacs documentation for more
details if you don’t know where to find this file.
You cannot run more than one instance of Proof General at a time: so if
you’re using Coq, visiting an ‘.ML’ file will not load Isabelle
Proof General, and the buffer remains in fundamental mode. If there are
some assistants supported that you never want to use, you can adjust the
variable proof-assistants in ‘proof-site.el’ to remove the
extra autoloads. This is advisable in case the extensions clash with
other Emacs modes, for example
Verilog mode for ‘.v’ files clashes with Coq mode.
See Proof General site configuration in Adapting Proof General,
for more details of how to adjust the proof-assistants setting.
Instead of altering proof-assistants, a simple way to disable
support for some prover is to delete the relevant directories from the
PG installation. For example, to remove support for Coq, delete the
‘coq’ directory in the Proof General home directory.
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