- Fix for possible unset uid/gid in toproto - Fix for default mtree style - Update libelf - Importing libexecinfo - Resynchronize GCC, mpc, gmp, mpfr - build.sh: Replace params with show-params. This has been done as the make target has been renamed in the same way, while a new target named params has been added. This new target generates a file containing all the parameters, instead of printing it on the console. - Update test48 with new etc/services (Fix by Ben Gras <ben@minix3.org) get getservbyport() out of the inner loop Change-Id: Ie6ad5226fa2621ff9f0dee8782ea48f9443d2091
320 lines
14 KiB
Text
320 lines
14 KiB
Text
README.LynxOS
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=============
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Written by Ronald F. Guilmette <rfg@monkeys.com>
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Last modified Wed Aug 14 23:10:07 PDT 1996
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------------------------------------------
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0. Introduction
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---------------
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This file describes how to build and install the Berkeley nvi editor for
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the LynxOS 2.4.0 operating system.
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LynxOS 2.4.0 is available for a variety of different hardware platforms, in
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particular, x86, m680x0, Sparc, and PowerPC. I have successfully built nvi
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on all four of these flavors of LynxOS by following the procedures given in
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this file.
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Note that these procedures may not work on versions of LynxOS prior to 2.4.0.
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(As I understand it, a good deal of work went into making the 2.4.0 release
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more POSIX-compliant, and I have no idea what build glitches, if any, you
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might encounter if you try to build nvi on a pre-2.4.0 version of LynxOS.)
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There are basically four steps to configuring, building, and installing nvi
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on LynxOS, namely:
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1. Get setup to use the proper C compiler.
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2. Replace your installed `tr' program.
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3. Fix your system include files.
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4. Do a normal configure, build, and install of nvi.
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These steps are described in separate sections below.
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1. Get Setup to Use the Proper C Compiler
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------------------------------------------
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The first step when building nvi on LynxOS is to set your $PATH environment
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variable properly so that the gcc 2.x compiler appears first on your path,
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prior to the older (and less robust) gcc 1.xx compiler (typically installed
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as /bin/gcc) and/or the old Lynx proprietary C compiler (typically installed
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as /bin/cc), both of which may also be present on your system.
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Note that for most operating systems, the configure script for nvi tries
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to use whatever compiler you have installed (and in your $PATH) as "cc",
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however in the special case of LynxOS, the configure script will auto-
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matically try to find a "gcc" program on your $PATH in preference to a
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compiler called "cc". If the nvi configure script only find a compiler
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called "cc", that's OK. It will still try to see if that is really just
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the GNU C compiler installed under the name "cc".
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Regardless of the name however (be it "gcc" or "cc") the first C compiler
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in your $PATH should be some _recent_ (i.e. 2.0 or later) version of the
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GNU C compiler... and the nvi configure script now checks that this is the
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case, and fails if it isn't.
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Oddly enough, LynxOS 2.4.0 (and some prior versions) shipped with as many
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as three different C compilers installed, so it is important to set your
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$PATH environment variable carfully in order to get the proper C compiler
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to appear first in your $PATH. You want to avoid having either the /bin/gcc
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compiler or the /bin/cc compiler be the first C compiler in your $PATH.
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To make sure that the GNU C version 2.x compiler which was shipped with your
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LynxOS system appears first on your path, you will need to either set your
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$PATH variable (for sh/bash/ksh users) or your $path variable (for csh/tcsh
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users). You can, of course, just do this at the shell command prompt, but
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it is probably better to actually edit this change into your .profile file
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(for sh/bash/ksh users) or into your .cshrc file (for csh/tcsh users).
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The pathname of the directory that contains the GNU C version 2.x compiler
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is (unfortunately) dependent upon the exact type of LynxOS system you have.
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For LynxOS 2.4.0 on x86 systems, gcc 2.x is located in:
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/cygnus/94q4-lynxos-x86/bin
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For LynxOS 2.4.0 on m680x0 systems, gcc 2.x is located in:
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/cygnus/94q4-lynxos-68k/bin
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For LynxOS 2.4.0 on Sparc systems, gcc 2.x is located in:
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/cygnus/94q4-lynxos-usparc/bin
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For LynxOS 2.4.0 on PowerPC systems, gcc 2.x is located in:
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/cygnus/95q2-lynxos-ppc/bin
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(Note also that these locations may change in LynxOS 2.5.x and beyond.)
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Anyway, it is imperative that you setup your $PATH environment variable
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(*before* you do the configure step for nvi) so that the GNU C version 2.x
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compiler appears in your $PATH before either the /bin/cc or /bin/gcc
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compilers (if present). If you fail to do this, the configure step for
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nvi will fail, because the compiler script actually checks (now) that the
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compiler you are using (if your are on a LynxOS system) is gcc 2.0 or
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later.
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To make absolutely sure that you will be configuring and building nvi with
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the proper C compiler (i.e. the GNU C version 2.x compiler on your system)
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you should add the directory name listed above for your specific system type
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to your $PATH setting in your $HOME/.profile file. (For csh/tcsh users, you
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will instead want to add the relevant directory name to the setting of your
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$path variable in your ~/.cshrc file.) Once you have added the proper direc-
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tory name (from the list given above) to your $HOME/.profile file (or to your
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~/.cshrc file, if you are using csh or tcsh) you should log out completely
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and then log back into the system just to make sure your new $PATH/$path
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setting takes effect properly.
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When you finish making this adjustment to your $PATH (or $path), the most
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up-to-date version of gcc on your system should be available to you as the
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first `gcc' program on your $PATH. You should verify that this is indeed the
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case simply by typing `gcc -v' and then checking the version number reported
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by the compiler. It should say either "2.6-94q4" or (on PowerPC systems) it
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should say "2.6-95q2". If you don't get these results, try again to set your
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$PATH (or $path) until you do. You won't be able to build nvi until you are
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properly setup to use gcc version 2.0 or later.
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Performing the steps shown above will insure that your subsequent configura-
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tion and build steps for nvi will make use of the most up-to-date version of
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gcc that was shipped with your Lynx operating system. (Note that the versions
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of gcc which are currently shipping with LynxOS 2.4.0 are also somewhat out-
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of-date themselves, but they are still quite a bit newer and more bug-free
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and ANSI conformant that those other two C compilers, /bin/cc and /bin/gcc,
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which also ship with LynxOS 2.4.0.)
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(Note: At present, LynxOS version 2.4.0 is the latest officially released
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version of LynxOS, and all of the above information is accurate and correct
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for LynxOS 2.4.0 as of the time of this writing. However it is rumored that
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future releases of LynxOS may provide a still newer version of gcc, and that
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it may be located in the /usr/bin directory. Thus, if you are building nvi
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for some LynxOS version later than 2.4.0, you may wish to check and see if
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your system has a program called /usr/bin/gcc, and use that version of gcc,
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if available, rather than the one suggested above.)
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2. Replace Your Installed `tr' Program
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---------------------------------------
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The `tr' program which comes bundled with LynxOS 2.4.0 (as /bin/tr) has a
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somewhat obscure bug which just happens to be tickled by almost all GNU
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`autoconf' generated `configure' scripts (including the one that nowadays
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comes bundled with nvi). Using the stock /bin/tr program on LynxOS when
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executing such `configure' scripts _will_ cause these scripts to malfunction
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in various ways. It is therefore imperative that you replace your LynxOS
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/bin/tr program with a properly working version of the `tr' command _before_
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you even try to configure nvi. (You can tell if your `tr' program has the
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bug by executng the command "echo ab- | tr ab- ABC". If this yields the
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string "Ab-" then you have the bug. If it yields "ABC" then you don't.)
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You can obtain sources for a working version of the `tr' command as part of
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the GNU `textutils' package (the latest version of which, at the time of this
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writing, is 1.19). The GNU textutils package is available for downloading
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from prep.ai.mit.edu in the pub/gnu directory. Look for the file named
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textutils-1.19.tar.gz, or an even more recent version of textutils, if one
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is available. Fetch it, gunzip it, untar it, and follow the directions in
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the INSTALL file included in the tar file to build and install the entire
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textutils set of utility programs (which includes a working `tr' program).
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Then just make sure that the GNU version of `tr' appears on your $PATH
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_before_ the LynxOS version of `tr' (i.e. /bin/tr). Be sure to do this
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step _before_ you start to configure nvi.
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When building the textutils set of programs, I suggest that you use the most
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up-to-date C compiler available on your system (as described above). Also,
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note that it will be important for you to AVOID using the -O (optimize)
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compiler option when building the GNU textutils package, even if you are
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using the most up-to-date version of gcc which shipped with your system.
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If you try to use -O when building the textutils package on an x86 with
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the Cygnus 94q4 C compiler, you will end up with a `tr' program which will
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malfunction even worse than the one you are trying to replace! If you use
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-O when building the textutils package on LynxOS on the PowerPC (using the
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Cygnus 95q2 C compiler) you will just get yourself a compiler crash. So
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just don't use -O when building textutils. You can avoid using -O by in-
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voking make in the textutils directory as follows:
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make CFLAGS="-g"
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(Note: At present, LynxOS version 2.4.0 is the latest officially released
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version of LynxOS, and all of the above information is accurate and correct
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for LynxOS 2.4.0 as of the time of this writing. However it is rumored that
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the bug in the /bin/tr program will be fixed in future releases of LynxOS,
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so if you have a version of LynxOS later than 2.4.0, you may wish to check
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and see if your /bin/tr program even has the problematic bug before bothering
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with all of this.)
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3. Fix Your System Include Files
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---------------------------------
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If you are building nvi on a PowerPC system, it is also important that you
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apply the patches given at the end of this file to your /usr/include files.
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(Note that you will have to be root in order to do this.) Two of the patches
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included below fix a pair of serious bugs in the /usr/include/stdarg.h file
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on the PowerPC, and you really _do_ want to have these bugs fixed anyway,
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because without these fixes, anything that you compile which uses <stdarg.h>
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will very likely malfunction at run-time.
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Regardless of which LynxOS platform you are using (i.e. x86, PowerPC, Sparc,
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or m680x0) you may want to apply all of the system include files patches that
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are included below anyway. Doing so will clean up a few minor problems with
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the relevant system include files (i.e. <stdarg.h>, <ioctl.h>, and <wait.h>)
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and this step will also prevent a few warnings which you would otherwise get
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during the build of nvi.
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You can apply all of the patches given at the end of this file simply by
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doing the following:
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su root
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cd /usr/include
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/bin/patch < this-file
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Where `this-file' is the actual full pathname of the file you are now reading,
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wherever it may reside on your own system.
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(Note: At present, LynxOS version 2.4.0 is the latest officially released
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version of LynxOS, and all of the above information is accurate and correct
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for LynxOS 2.4.0 as of the time of this writing. However it is rumored that
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future releases of LynxOS may incorporate some or all of the important system
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include file fixes provided below. Thus, if you are building nvi for some
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LynxOS version later than 2.4.0, you should probably go ahead and try to
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apply the patches given below to your system include files, and then just
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don't worry about it if these patches seem to have already been applied.)
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4. A Brief Note about Sendmail
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-------------------------------
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I should mention also that LynxOS does not normally ship with the `sendmail'
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mail transfer program installed, either under /usr/lib/ or anywhere else for
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that matter. This isn't really a big problem, but nvi normally wants and
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expects to have a sendmail program available so that it can send users notifi-
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cations (by mail) whenever a partially edited file is preserved by the editor
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in response to a sudden system crash, a sudden system shutdown, or an unexpect-
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ed serial-line hangup. You can configure and build nvi without any sendmail
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program installed on your system, but you will get warnings about its absence
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when you are doing the initial configure step prior to actually building nvi.
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If you want to have a fully-functional nvi which does send out notification
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messages (by mail) whenever partially edited files are preserved during a
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serial line hangup or system crash, then you should get the BSD sendmail
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sources (via ftp from ftp.cs.berkeley.edu), build and install sendmail, and
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then reconfigure, rebuild, and reinstall nvi.
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Please contact me at the E-mail address below if you experience any problems in
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building or using nvi on LynxOS. I make no guarrantees, but I may be willing
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to try to help.
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Ron Guilmette
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Roseville, California
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<rfg@monkeys.com>
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August 14, 1996
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cut here for LynxOS 2.4.0 system include files patches
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-----------------------------------------------------------------------------
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*** wait.h Fri Apr 26 10:02:45 1996
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--- wait.h Sun May 19 05:36:50 1996
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***************
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*** 94,104 ****
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/* Function prototypes */
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#ifndef __LYNXOS
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- #ifdef _POSIX_SOURCE
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extern pid_t wait _AP((int *));
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extern pid_t waitpid _AP((pid_t, int *, int));
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! #else
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! extern int wait _AP((union wait *));
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! extern int waitpid _AP((int, union wait *, int));
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! extern int wait3 _AP((union wait *, int, struct rusage *));
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#endif
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#endif /* !__LYNXOS */
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--- 94,101 ----
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/* Function prototypes */
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#ifndef __LYNXOS
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extern pid_t wait _AP((int *));
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extern pid_t waitpid _AP((pid_t, int *, int));
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! #ifndef _POSIX_SOURCE
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! extern int wait3 _AP((int *, int, struct rusage *));
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#endif
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#endif /* !__LYNXOS */
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*** ioctl.h Fri Apr 26 16:50:51 1996
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--- ioctl.h Sat May 18 17:55:16 1996
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***************
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*** 572,576 ****
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#ifndef __LYNXOS
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! extern int ioctl _AP((int, int, char *));
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#endif
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--- 572,576 ----
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#ifndef __LYNXOS
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! extern int ioctl _AP((int, int, ...));
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#endif
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*** stdarg.h Fri Apr 26 16:51:02 1996
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--- stdarg.h Sat May 18 19:34:13 1996
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***************
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*** 88,92 ****
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(((sizeof(TYPE) + sizeof(int) - 1) / sizeof(int)) * sizeof(int))
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! #define va_start(AP, LASTARG) (AP = ((char *) __builtin_next_arg ()))
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void va_end(va_list); /* Defined in libgcc.a */
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--- 88,92 ----
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(((sizeof(TYPE) + sizeof(int) - 1) / sizeof(int)) * sizeof(int))
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! #define va_start(AP, LASTARG) (AP = ((char *) __builtin_next_arg (LASTARG)))
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void va_end(va_list); /* Defined in libgcc.a */
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***************
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*** 162,166 ****
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(((sizeof(TYPE) + sizeof(int) - 1) / sizeof(int)) * sizeof(int))
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! #define va_start(AP, LASTARG) (AP = ((char *) __builtin_next_arg ()))
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void va_end(va_list); /* Defined in libgcc.a */
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--- 162,166 ----
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(((sizeof(TYPE) + sizeof(int) - 1) / sizeof(int)) * sizeof(int))
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! #define va_start(AP, LASTARG) (AP = ((char *) __builtin_next_arg (LASTARG)))
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void va_end(va_list); /* Defined in libgcc.a */
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