File: INSTALL

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#
# INSTALL -- installation instructions
#
# $Id: INSTALL,v 1.3 1999/10/29 05:10:18 doug Exp $
#

--------------
Installing nmh
--------------
Please read all of the following instructions before you begin
building nmh.

You should check the MACHINES file to see if there are any specific
build instructions for your operating system.  To build nmh, you will
need an ANSI C compiler such as gcc.

1) Run the command

   sh configure [options]

   This will check the configuration of your OS, and create
   the include file config.h, as well as the various Makefiles.

   The configure script accepts various options.  The options of
   most interest are listed below.  To see the list of all available
   options, you can run

   sh configure --help

2) Look through the user configuration section at the beginning
   of the generated include file `config.h'.  All system-specific
   definitions should be sensed automatically now, but you may
   want to customize some #defines for your environment.

3) make

4) make install

5) Edit the file `mts.conf' (installed in the nmh `etc' directory)
   and make any necessary changes for the mail transport interface
   you are using.

   The default `mts.conf' file assumes you retrieve new mail from
   a local (or NFS mounted) maildrop, and send outgoing mail by
   injecting the message to a mail transfer agent (such as sendmail)
   on the local machine via SMTP.

   If you have enabled POP support and you want this to be the
   default method of accessing new mail, you will need to change
   the values of the variables "servers", "pophost", "localname",
   and possibly "mmailid".

   a) "servers" defines the server to which you send outgoing SMTP
      traffic.

   b) "pophost" defines the server that runs the POP daemon, and to
      which `inc' and `msgchk' will query for new mail.

   c) "localname" defines the hostname that nmh considers local.
      If not set, then nmh queries your OS for this value.  You may
      want to change this if you wish your e-mail to appear as if it
      originated on the POP server.

   d) "mmailid" is checked to see if nmh should do username
      masquerading.  If the value of this field is non-zero, then
      nmh will check if the pw_gecos field in the password file
      has the form

          Full Name <fakeusername>

      If the pw_gecos field has this form, then the internal nmh
      routines that find the username and full name of a user will
      return "fakeusername" and "Full Name" respectively.  This is
      useful if you wish messages that you send to appear to come
      from the username of your POP account, rather than your username
      on the local machine.

   If you compile with POP support, but only want to use it occasionally,
   then you can always use the `-host' and `-user' options to `inc'
   and `msgchk' instead of changing `mts.conf'.

   Check the `mh-tailor' man page for a list of all the available
   options for this file.

6) If you have enabled POP support, make sure that `pop3' (or more
   precisely the value of the define POPSERVICE in config.h) is defined
   in the /etc/services file (or its NIS/NIS+ equivalent) on the client
   machine.  It should be something equivalent to "110/tcp".  This might
   have already been done when the pop daemon was installed.

7) Edit the file `mhn.defaults' (installed in the nmh `etc' directory).
   This file contains the default profile entries for the nmh command
   `mhn' and is created by the script `mhn.defaults.sh'.  This script
   will search a generic path (essentially your $PATH) for programs to
   handle various content types (for example, xv to display images).
   You can re-run this script and give it a more tailored path.  You may
   want to re-run this script later if you install new programs to
   display content.  An example of this is:

   cd support/general
   ./mhn.defaults.sh /usr/local/bin:/usr/X11/bin:/usr/ucb > mhn.defaults

   and then move `mhn.defaults' into the nmh `etc' directory.

   The `mhn.defaults.sh' script only searches for a simple set of programs.
   If you have specialized programs to handle various types, you will need
   to edit the `mhn.defaults' file manually.  The syntax of this file is
   described in the man page for `mhn', and in section 9.4 of the book
   "MH & xmh: Email for Users and Programmers", 3rd edition, by Jerry Peek,
   on the Internet at <http://www.ics.uci.edu/~mh/book/mh/confmhn.htm>.

9) Add an optional global mh.profile, if desired.  This profile should be
   placed in the nmh `etc' directory with the name `mh.profile'.  This
   file will be used to construct the initial .mh_profile of a new nmh
   user, but will not be consulted after that.

-----------------------------------------------
Compiler options, or using a different compiler
-----------------------------------------------
By default, configure will use the "gcc" compiler if found.  You can use a
different compiler, or add unusual options for compiling or linking that
the "configure" script does not know about, by either editing the user
configuration section of the top level Makefile (after running configure)
or giving "configure" initial values for these variables by setting them
in the environment.  Using a Bourne-compatible shell (such as sh,ksh,zsh),
 
you can do that on the command line like this:
    CC=c89 CFLAGS=-O2 LIBS=-lposix ./configure
 
Or on systems that have the "env" program, you can do it like this:
    env CPPFLAGS=-I/usr/local/include LDFLAGS=-s ./configure

----------------------------------------
Building nmh on additional architectures
----------------------------------------
To build nmh on additional architectures, you can do a "make distclean".
This should restore the nmh source distribution back to its original
state.  You can then configure nmh as above on other architectures in
which you wish to build nmh.  Or alternatively, you can use a different
build directory for each architecture.
 
---------------------------------
Using a different build directory
---------------------------------
You can compile the nmh in a different directory from the one containing
the source code.  Doing so allows you to compile it on more than one
architecture at the same time.  To do this, you must use a version of
"make" that supports the "VPATH" variable, such as GNU "make".  "cd" to
the directory where you want the object files and executables to go and
run the "configure" script.  "configure" automatically checks for the
source code in the directory that "configure" is in.  For example,
 
    cd /usr/local/solaris/nmh
    /usr/local/src/nmh-1.0/configure
    make

---------------------
Options for configure
---------------------
--prefix=DIR     (DEFAULT is /usr/local/nmh)
     This will change the base prefix for the installation location
     for the various parts of nmh.  Unless overridden, nmh is installed
     in ${prefix}/bin, ${prefix}/etc, ${prefix}/lib, ${prefix}/man.

--bindir=DIR     (DEFAULT is ${prefix}/bin)
     nmh's binaries (show, inc, comp, ...) are installed here.

--libdir=DIR     (DEFAULT is ${prefix}/lib)
     nmh's support binaries (post, slocal, mhl, ...) are installed here.

--sysconfdir=DIR     (DEFAULT is ${prefix}/etc)
     nmh's config files (mts.conf, mhn.defaults, ...) are installed here.

--mandir=DIR     (DEFAULT is ${prefix}/man)
     nmh's man pages are installed here.

--with-mts=MTS   (DEFAULT is smtp)
     specify the mail transport system you want to use.  The two
     acceptable options are "smtp" (which is the default), and
     "sendmail".

     If you use "smtp", this will enable a direct SMTP (simple
     mail transport protocol) interface in nmh.  When sending
     mail, instead of passing the message to the mail transport
     agent, `post' will open a socket connection to the mail
     port on the machine specified in the `mts.conf' file
     (default is localhost), and speak SMTP directly.

     If you use "sendmail", then `post' will send messages by
     passing forking a local copy of sendmail.  Currently it
     will still speak SMTP with this local copy of sendmail.

     If you wish to use a transport agent other than sendmail, you will
     need to use a `sendmail wrapper'.

--with-editor=EDITOR  (DEFAULT is vi)
     specify the full path of the default editor to use.  If this
     option is not given, then the configuration process will search
     for the `vi' command and use it as the default.  If you wish to
     specify an interface which is compatible with MH, then use the
     nmh command `prompter'.  If you specify `prompter', then you don't
     need to give the full pathname.

--with-pager=PAGER    (DEFAULT is more)
     specify the default pager (file lister) to use.  If this option
     is not given, then the configuration process will search for the
     command `more' and use it as the default.

--enable-nmh-mhe    (DEFAULT)
     Add support for the Emacs front-end `mhe'.

--enable-nmh-pop
    Enable client-side support for pop.

--with-krb4=PREFIX
    Specify the location of Kerberos V4 for KPOP support.  You will
    also need to specify the option `--enable-nmh-pop'.  After running
    configure, you will probably need to change the POPSERVICE define
    in config.h.  See the comments inside config.h for details.

--with-hesiod=PREFIX
    Specify the location of Hesiod.

--enable-nmh-debug
    Enable debugging support.

--
The nmh team
nmh-workers@mhost.com