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File Name : README

README for the man-db manual pager suite
========================================

Please read the man-db manual, included in the manual subdirectory of this
distribution.  It contains configuration details and other aspects of this
manual pager suite that are not duplicated or relevant in this README.
Check manual/README for details of the formatters required.

Read docs/INSTALL.autoconf for generic options to configure.
Read docs/INSTALL.quick if you know all about man-db.
Read NEWS for visible changes since the last public release.
Read ChangeLog for details of recent source code changes.
Read docs/TODO for future plans.

The C source requires an ANSI C compiler.

Copyright (C) 1990, 1991 John W. Eaton.
Copyright (C) 1994, 1995 Markus Armbruster.
Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
Copyright (C) 1995 Carl Edman.
Copyright (C) 1996, 1997, 1998, 2000 Fabrizio Polacco.
Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
              2011, 2012, 2013, 2014 Colin Watson.
Copyright (C) 1984, 1989, 1990, 1991, 1992, 1995, 1996, 1997, 1998, 1999,
              2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
              2010, 2011, 2012 Free Software Foundation, Inc.

man-db is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

man-db is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with man-db; if not, write to the Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

In addition, man-db incorporates Gnulib, copyrighted by the Free Software
Foundation and others. Note that much of Gnulib is distributed under the GNU
General Public License version 3 or later. This means that, although
man-db's own source code is licensed under GPL v2 or later, the work as a
whole falls under the terms of the GPL v3 or later. Unless you take special
pains to remove the GPL v3 portions, you must therefore follow the terms and
conditions of the GPL v3 or later when distributing man-db.

Notice regarding current state of FHS (Linux/?BSD)
==================================================

As of May 13th, 2001, the last public release of the Filesystem Hierarchy
Standard proposed the root of the manual page hierarchy as `/usr/share' and
the root of the writable cat hierarchy as `/var/cache/man' for the purposes
of man->cat filename translation.  As such, the following are defined in
./include/manconfig.h.in:

#define FHS_CAT_ROOT    "/var/cache/man"        /* required by fsstnd() */
#define FHS_MAN_ROOT    "/usr/share"            /* required by fsstnd() */

For compatibility with the old FSSTND, the following locations are also
defined:

#define CAT_ROOT        "/var/catman"           /* required by fsstnd() */
#define MAN_ROOT        "/usr"                  /* required by fsstnd() */

Should these locations change, simply define the paths accordingly and
recompile.  Other FHS changes relating to man/cat paths will not be
compatible with this version of man-db.

Non-generic arguments to configure
==================================

To allow the configuration program, configure, to be non-interactive, it can
be passed various options to alter the default settings.  Generic configure
options are discussed in docs/INSTALL.autoconf.  The following list of
options is extracted from the man-db manual.  It is strongly recommended
that relevant sections of the manual are read if any of these options are
used.

--enable-cache-owner[=ARG]
     By default, system-wide cache files will be owned by user man.  Use this
     option with an argument to change the cache file owner.

--disable-cache-owner
     Use this option to leave the ownership of system-wide cache files
     unconstrained.  Users will be allowed to modify them.

--disable-setuid
     By default, man will be installed as a setuid program to the user that
     owns the system-wide cache files.  Use this option to install man as a
     non-setuid program instead.

--enable-mandirs=OS
     By default, man-db supports manual page directories in any of several
     layouts used by free and proprietary versions of UNIX.  However, in
     certain cases, this can cause man-db to find the wrong page by mistake,
     especially when the names of some manual pages on the system contain
     periods.  Use this option with an argument of GNU, HPUX, IRIX, Solaris,
     or BSD (or more than one of these, separated by commas) to support only
     the layouts typically used on each of those systems.  Note that man-db is
     not currently capable of writing cat pages in the proper BSD layout.

--with-device=DEVICE
     Use this flag to alter the default output device used by NROFF. DEVICE is
     passed to NROFF with the -T option.  configure will test that NROFF will
     run with the supplied device argument.

--with-db=LIBRARY
     configure will look for database interface libraries in the order gdbm,
     Berkeley DB and finally ndbm and will #define appropriate variables
     relative to the first one found.  To override the built-in order on
     platforms having a choice of interface library, use this option to
     specify which library to use.

--enable-automatic-create
     If this flag is used, man will automatically create index databases for
     users' private manual page hierarchies.

--disable-automatic-update
     Normally, man will update entries in index databases if it finds newly
     installed manual pages (if the --update flag is used) or delete entries
     if manual pages are removed.  This flag suppresses this behaviour.

--disable-cats
     Normally, man will automatically try to create cat files corresponding to
     manual files when a manual page is read.  This flag suppresses this
     behaviour.

--disable-manual
     Don't build or install the man-db manual.  This may be useful when
     cross-compiling, or to reduce the installation size.

INSTALL
=======

Running configure.

* READ `docs/INSTALL.autoconf' regarding ./configure options

* RUN `./configure --help' to see what --enable and --with
	  options may be useful.

* RUN `./configure' with the appropriate options and environment
	  variable settings

BROWSE or EDIT the following files that were created by the configuration
process.

* `include/manconfig.h' regarding paths to support programs,
	  the default section list and other specific definitions.

* `include/comp_src.h' if the default compressor support is
	  inadequate for your requirements.  (usually .Z [compress], 
	  .z, .gz [gzip])

configure will determine your system's ability to use native language
support (NLS) message catalogues.  You may set the environment variable
LINGUAS to limit the set of translations installed.  LINGUAS should contain
a space-separated list of two-letter language identifiers.  To compile
man-db with no support for message catalogues, simply pass the --disable-nls
option to configure.  N.B. This is not related to man's ability to display
NLS manual pages, support for which is compiled in by default.

Running make.

* RUN `make' to compile man-db with the set of translations chosen
	  when running `./configure'.

Sort out the man-db configuration file.

* RUN `./src/man -l man/man5/manpath.5' from the root of this
	  distribution to read the man-db configuration file details.

* EDIT `./src/man_db.conf' to your local requirements.

Install the package.

* (gain superuser privileges for the rest of the steps)

* RUN `make install' to install the utilities and manual pages.

Initialise the `index' databases for all manpaths marked as global in the
man-db configuration file.

* RUN `mandb' (This step is equivalent to running straycats and 
	  makewhatis too).

The following steps are optional / dependent on local conventions.

* ACKNOWLEDGE any warnings emitted by mandb. Bogus manual pages
	  are not included in the database and may be a waste of space.
	  Those pages without correctly formatted `whatis' lines are
	  included, but will have a whatis entry of "(unknown)"

* CD tools and RUN `mkcatdirs -t' to see if you have all of the
	  required cat directories.  `mkcatdirs' without an option will 
	  display a usage message.

* CD tools and RUN `checkman' with an argument of colon separated
	  manual page hierarchies to cross check for duplicated manual
	  pages.  If no argument is given, your default $MANPATH will be
	  used.
	
	  The output of checkman may be piped into a file and used as an
	  argument to `rm', the `is newer than' messages are directed to 
	  standard error.  e.g. `checkman > dups'

If you are confident that the duplicates found are indeed 
	  duplicates, you can back them up and delete them to save space.

At this point, running checkman again may yield further duplicates 
	  that were ignored the first time.
 
	* RUN `catman' with appropriate options to create any/all cat files
	  that you would like pre-formatted.

Multiple build directories
==========================

It is possible to build man-db in a directory other than the directory
containing this file (and all of the program sources).  This is particularly
useful if compiling on multiple architectures or testing various
configuration options as only a single copy of the sources is required.

To enable this support, simply change directory to where you would like to
build the package and run the configure program in this directory 
*from there*.  Further information about this support can be found in the 
generic install document `docs/INSTALL.autoconf'.

Makefile targets and variables
==============================

The standard GNU Makefile targets: all, install, uninstall, mostlyclean,
clean, distclean, realclean and TAGS are available in every Makefile-
supported directory.  In addition, the master Makefile has the dist target
to create a compressed and tarred distribution file.

During the configuration process, `configure' sets the installation
variables, `prefix' and `exec_prefix'.  These are then used to form other
variables such as `bindir' and `sysconfdir'.  To change any of these or 
other standard GNU install variables dynamically, issue the `make' command 
with variable expressions as arguments, eg. `make prefix=/usr/local/packages'

N.B. If prefix=/usr (either statically or dynamically), then sysconfdir=/etc
instead of the usual $(prefix)/etc.  To force sysconfdir to be /usr/etc, set
it on the make command line.

Default preprocessors
=====================

man-db uses a manual page directed preprocessor system, that is, each manual
page may request preprocessing by a selection of preprocessors.  Some
systems' manual pages do not come with this information built in.  In such
circumstances, it is advisable to set a default list of preprocessors that
each manual page should be passed through, so that those requiring special
processing are readable.  To achieve this, set DEFAULT_MANROFFSEQ (found in
include/manconfig.h) to the appropriate preprocessor string, after running
configure, but prior to compilation.  This is not necessary for the
following systems whose default preprocessing requirements are known.

Known not to require DEFAULT_MANROFFSEQ:
    Linux, SunOS
  Known to require #define DEFAULT_MANROFFSEQ "t":
    Ultrix
  Known to require #define DEFAULT_MANROFFSEQ "te":
    HP-UX, OSF/1

If unsure of the default preprocessors required by a system, the standard
system's man(1) manual page may provide an answer.

Contacting the maintainer
=========================

The current maintainer of man-db is Colin Watson <cjwatson@debian.org>.
Please feel free to contact me with any queries or problems you may have.
You can report bugs here:

https://savannah.nongnu.org/bugs/?group=man-db

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Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/root	0755	2024-11-11 09:20:25
..	dir	-	root/root	0755	2025-08-26 06:54:37
ChangeLog	file	166.29 KB	root/root	0644	2020-06-22 08:22:20
NEWS	file	69.96 KB	root/root	0644	2020-06-22 08:06:52
README	file	11.89 KB	root/root	0644	2020-01-01 03:11:59
man-db-manual.ps	file	128.67 KB	root/root	0644	2023-04-10 04:47:33
man-db-manual.txt	file	68.9 KB	root/root	0644	2023-04-10 04:47:33