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.\" ========================================================================
.\"
.IX Title "PERLMPEIX 1"
.TH PERLMPEIX 1 "2006-01-07" "perl v5.8.8" "Perl Programmers Reference Guide"
.SH "NAME"
README.mpeix \- Perl/iX for HP e3000 MPE
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 4
\&   http://www.bixby.org/mark/perlix.html
\&   http://jazz.external.hp.com/src/hp_freeware/perl/
\&   Perl language for MPE
\&   Last updated January 12, 2006 @ 2100 UTC
.Ve
.SH "NOTE"
.IX Header "NOTE"
This is a podified version of the above-mentioned web page,
podified by Jarkko Hietaniemi 2001\-Jan\-01.
.SH "Binary distribution from HP"
.IX Header "Binary distribution from HP"
The simplest way to obtain Perl for the MPE/iX is to go either of
these URLs and follow the instructions within.
.PP
http://jazz.external.hp.com/src/hp_freeware/perl/
http://www.bixby.org/mark/perlix.html
.PP
Use which ever one is more recent.
.SH "What's New in Perl for MPE/iX"
.IX Header "What's New in Perl for MPE/iX"
January 12, 2006
.IP "\(bu" 4
Updated for perl\-5.8.8 and perl\-5.9.3 by Ken Hirsch.
.Sp
Simplified the build process by using the \s-1MPEAUTOCONF\s0
functionality in Mark Klein's ld.
.Sp
If you build this from scratch, make sure you have a version
of ld which supports it.  In the shell, type
.Sp
.Vb 2
\&  ld --help
\&    and look for AUTOCONF or MPEAUTOCONF near the bottom
.Ve
.Sp
.Vb 2
\&  or do this:
\&  ld --help 2>&1 | grep AUTOCONF
.Ve
.Sp
If you see don't see \s-1AUTOCONF\s0 or \s-1MPEAUTOCONF\s0, make sure you get a new
version.
.Sp
You also do not have to use mpeix/relink after building, so the
recommend sequence is:
.Sp
.Vb 1
\&  ./Configure -de
.Ve
.Sp
.Vb 2
\&      # or ./Configure -de -Dusedevel 
\&      # if you're building a development version
.Ve
.Sp
.Vb 3
\&  make
\&  make test
\&     # if you run this in a job, do "make test_notty"
.Ve
.Sp
.Vb 1
\&  make install
.Ve
.Sp
Be prepared for a wait. These take much longer on MPE/iX than on a Unix
system, because of a slow forking, mostly.  On a lightly-loaded \s-1HP3000\s0
Series 979 running MPE/iX 7.5:
.Sp
.Vb 3
\&    Configure: 1 hour
\&    make:      1 hour 15 minutes
\&    make test  1 hour 45 minutes
.Ve
.Sp
Various socket problems were fixed in mpeix.c.
.Sp
Mark Klein provided a fixed sigsetjmp (that works with dynamic
libraries) in mpeix_setjmp.c
.IP "\(bu" 4
June 1, 2000
.RS 4
.IP "\(bu" 4
Rebuilt to be compatible with mod_perl.  If you plan on using
mod_perl, you \s-1MUST\s0 download and install this version of Perl/iX!
.IP "\(bu" 4
uselargefiles=\*(L"undef\*(R": not available in \s-1MPE\s0 for \s-1POSIX\s0 files yet.
.IP "\(bu" 4
Now bundled with various add-on packages:
.RS 4
.IP "\(bu" 8
libnet (as seen on \s-1CPAN\s0)
.IP "\(bu" 8
libwww-perl (\s-1LWP\s0) which lets Perl programs behave like web browsers:
.Sp
.Vb 4
\&    1. #!/PERL/PUB/perl
\&    2. use LWP::Simple;
\&    3. $doc = get('http://www.bixby.org/mark/perlix.html');  # reads the
\&       web page into variable $doc
.Ve
.Sp
(http://www.bixby.org/mark/perlix.html)
.IP "\(bu" 8
mod_perl (just the perl portion; the actual \s-1DSO\s0 will be released
soon with Apache/iX 1.3.12 from bixby.org).  This module allows you to
write high performance persistent Perl \s-1CGI\s0 scripts and all sorts of
cool things. (http://perl.apache.org/)
.Sp
and much much more hiding under /PERL/PUB/.cpan/
.IP "\(bu" 8
The \s-1CPAN\s0 module now works for automatic downloading and
installing of add-on packages:
.Sp
.Vb 3
\&    1. export FTP_PASSIVE=1
\&    2. perl -MCPAN -e shell
\&    3. Ignore any terminal I/O related complaints!
.Ve
.Sp
(http://theoryx5.uwinnipeg.ca/CPAN/data/perl/CPAN.html)
.RE
.RS 4
.RE
.RE
.RS 4
.Sp
May 20, 2000
.IP "\(bu" 4
Updated to version 5.6.0.  Builds straight out of the box on MPE/iX.
.IP "\(bu" 4
Perl's \fIgetpwnam()\fR function which had regressed to being
unimplemented on \s-1MPE\s0 is now implemented once again.
.RE
.RS 4
.Sp
September 17, 1999
.IP "\(bu" 4
Migrated from cccd.edu to bixby.org.
.RE
.RS 4
.SH "Welcome to Perl/iX"
.IX Header "Welcome to Perl/iX"
This is the official home page for the \s-1HP\s0 e3000 MPE/iX
( http://www.hp.com/go/e3000 ) port of the Perl scripting
language ( http://www.perl.com/ ) which gives you all of the power of C,
awk, sed, and sh in a single language. Check here for the latest news,
implemented functionality, known bugs, to-do list, etc. Status reports
about major milestones will also be posted to the \s-1HP3000\-L\s0 mailing list
( http://www.lsoft.com/scripts/wl.exe?SL1=HP3000\-L&H=RAVEN.UTC.EDU ) and
its associated gatewayed newsgroup comp.sys.hp.mpe.
.Sp
I'm doing this port because I can't live without Perl on the Unix
machines that I administer, and I want to have the same power
available to me on \s-1MPE\s0.
.Sp
Please send your comments, questions, and bug reports directly to me,
Mark Bixby ( http://www.bixby.org/mark/ ). Or just post them to \s-1HP3000\-L\s0.
.Sp
The platform I'm using to do this port is an \s-1HP\s0 3000 957RX running
MPE/iX 6.0 and using the \s-1GNU\s0 gcc C compiler
( http://jazz.external.hp.com/src/gnu/gnuframe.html ).
.Sp
The combined porting wisdom from all of my ports can be found in my
MPE/iX Porting Guide (http://www.bixby.org/mark/porting.html).
.Sp
\&\s-1IMPORTANT\s0 \s-1NOTICE:\s0 Yes, I do work for the \s-1HP\s0 \s-1CSY\s0 R&D lab, but \s-1ALL\s0 of
the software you download from bixby.org is my personal freeware that
is \s-1NOT\s0 supported by \s-1HP\s0.
.SH "System Requirements for Perl/iX"
.IX Header "System Requirements for Perl/iX"
.IP "\(bu" 4
MPE/iX 5.5 or later. This version of Perl/iX does \s-1NOT\s0 run on
MPE/iX 5.0 or earlier, nor does it run on \*(L"classic\*(R" \s-1MPE/V\s0 machines.
.IP "\(bu" 4
If you wish to recompile Perl, you must install both \s-1GNUCORE\s0 and
\&\s-1GNUGCC\s0 from jazz (http://jazz.external.hp.com/src/gnu/gnuframe.html).
.IP "\(bu" 4
Perl/iX will be happier on MPE/iX 5.5 if you install the \s-1MPEKX40B\s0
extended \s-1POSIX\s0 filename characters patch, but this is optional.
.IP "\(bu" 4
Patch \s-1LBCJXT6A\s0 is required on MPE/iX 5.5 machines in order to
prevent Perl/iX from dying with an unresolved external reference
to _getenv_libc.
.IP "\(bu" 4
If you will be compiling Perl/iX yourself, you will also need
Syslog/iX ( http://www.bixby.org/mark/syslogix.html ) and the
/BIND/PUB/include and /BIND/PUB/lib portions of BIND/iX
( http://www.bixby.org/mark/bindix.html ).
.RE
.RS 4
.SH "How to Obtain Perl/iX"
.IX Header "How to Obtain Perl/iX"
.IP "1." 4
Download Perl using either \s-1FTP\s0.ARPA.SYS or some other client
.IP "2." 4
Extract the installation script
.IP "3." 4
Edit the installation script
.IP "4." 4
Run the installation script
.IP "5." 4
Convert your *.a system archive libraries to *.sl shared libraries
.RE
.RS 4
.Sp
Download Perl using \s-1FTP\s0.ARPA.SYS from your \s-1HP\s0 3000 (the preferred
method).....
.Sp
.Vb 9
\&    :HELLO MANAGER.SYS
\&    :XEQ FTP.ARPA.SYS
\&    open ftp.bixby.org
\&    anonymous
\&    your@email.address
\&    bytestream
\&    cd /pub/mpe
\&    get perl-5.6.0-mpe.tar.Z /tmp/perl.tar.Z;disc=2147483647
\&    exit
.Ve
.Sp
\&.....Or download using some other generic web or ftp client (the alternate
method)
.Sp
Download the following files (make sure that you use \*(L"binary mode\*(R" or
whatever client feature that is 8\-bit clean):
.IP "\(bu" 4
Perl from
.Sp
.Vb 1
\&    http://www.bixby.org/ftp/pub/mpe/perl-5.6.0-mpe.tar.Z
.Ve
.Sp
or
.Sp
.Vb 1
\&    ftp://ftp.bixby.org/pub/mpe/perl-5.6.0-mpe.tar.Z
.Ve
.IP "\(bu" 4
Upload those files to your \s-1HP\s0 3000 in an 8\-bit clean bytestream manner to:
.Sp
.Vb 1
\&    /tmp/perl.tar.Z
.Ve
.IP "\(bu" 4
Then extract the installation script (after both download methods)
.Sp
.Vb 2
\&    :CHDIR /tmp
\&    :XEQ TAR.HPBIN.SYS 'xvfopz /tmp/perl.tar.Z INSTALL'
.Ve
.IP "\(bu" 4
Edit the installation script
.Sp
Examine the accounting structure creation commands and modify if
necessary (adding additional capabilities, choosing a non-system
volume set, etc).
.Sp
.Vb 1
\&    :XEQ VI.HPBIN.SYS /tmp/INSTALL
.Ve
.IP "\(bu" 4
Run the installation script.
.Sp
The accounting structure will be created and then all files will be
extracted from the archive.
.Sp
.Vb 1
\&    :XEQ SH.HPBIN.SYS /tmp/INSTALL
.Ve
.IP "\(bu" 4
Convert your *.a system archive libraries to *.sl shared libraries
.Sp
You only have to do this \s-1ONCE\s0 on your MPE/iX 5.5 machine in order to
convert /lib/lib*.a and /usr/lib/lib*.a libraries to their *.sl
equivalents.  This step should not be necessary on MPE/iX 6.0 or later
machines because the 6.0 or later update process does it for you.
.Sp
.Vb 1
\&    :XEQ SH.HPBIN.SYS /PERL/PUB/LIBSHP3K
.Ve
.RE
.RS 4
.SH "Perl/iX Distribution Contents Highlights"
.IX Header "Perl/iX Distribution Contents Highlights"
.IP "\s-1README\s0" 4
.IX Item "README"
The file you're reading now.
.IP "\s-1INSTALL\s0" 4
.IX Item "INSTALL"
Perl/iX Installation script.
.IP "\s-1LIBSHP3K\s0" 4
.IX Item "LIBSHP3K"
Script to convert *.a system archive libraries to *.sl shared libraries.
.IP "\s-1PERL\s0" 4
.IX Item "PERL"
Perl \s-1NMPRG\s0 executable.  A version-numbered backup copy also
exists.  You might wish to \*(L"ln \-s /PERL/PUB/PERL /usr/local/bin/perl\*(R".
.IP ".cpan/" 4
.IX Item ".cpan/"
Much add-on source code downloaded with the \s-1CPAN\s0 module.
.IP "lib/" 4
.IX Item "lib/"
Perl libraries, both core and add\-on.
.IP "man/" 4
.IX Item "man/"
Perl man page documentation.
.IP "public_html/feedback.cgi" 4
.IX Item "public_html/feedback.cgi"
Sample feedback \s-1CGI\s0 form written in Perl.
.IP "src/perl\-5.6.0\-mpe" 4
.IX Item "src/perl-5.6.0-mpe"
Source code.
.RE
.RS 4
.SH "How to Compile Perl/iX"
.IX Header "How to Compile Perl/iX"
.IP "1." 4
cd src/perl\-5.6.0\-mpe
.IP "2." 4
Read the \s-1INSTALL\s0 file for the official instructions
.IP "3." 4
\&./Configure \-d
.IP "4." 4
make
.IP "5." 4
\&./mpeix/relink
.IP "6." 4
make test (expect approximately 15 out of 11306 subtests to fail,
mostly due to \s-1MPE\s0 not supporting hard links, \s-1UDP\s0 socket problems,
and handling \fIexit()\fR return codes improperly)
.IP "7." 4
make install
.IP "8." 4
Optionally create symbolic links that point to the Perl
executable, i.e. ln \-s /PERL/PUB/PERL /usr/local/bin/perl
.RE
.RS 4
.Sp
The summary test results from \*(L"cd t; ./perl \-I../lib harness\*(R":
.Sp
.Vb 11
\&  Failed Test  Status Wstat Total Fail  Failed  List of failed
\&  ---------------------------------------------------------------------------
\&  io/fs.t                      29    8  27.59%  2-5, 7-9, 11
\&  io/openpid.t                 10    1  10.00%  7
\&  lib/io_sock.t                14    1   7.14%  13
\&  lib/io_udp.t                  7    2  28.57%  3, 5
\&  lib/posix.t                  27    1   3.70%  12
\&  op/lex_assign.t             187    1   0.53%  13
\&  op/stat.t                    58    1   1.72%  3
\&  15 tests and 94 subtests skipped.
\&  Failed 7/236 test scripts, 97.03% okay. 15/11306 subtests failed, 99.87% okay.
.Ve
.SH "Getting Started with Perl/iX"
.IX Header "Getting Started with Perl/iX"
Create your Perl script files with \*(L"#!/PERL/PUB/perl\*(R" (or an
equivalent symbolic link) as the first line.  Use the chmod command to
make sure that your script has execute permission. Run your script!
.Sp
Be sure to take a look at the \s-1CPAN\s0 module list
( http://www.cpan.org/CPAN.html ). A wide variety of free Perl software
is available.  You can automatically download these packages by using
the \s-1CPAN\s0 module ( http://theoryx5.uwinnipeg.ca/CPAN/data/perl/CPAN.html ).
.SH "MPE/iX Implementation Considerations"
.IX Header "MPE/iX Implementation Considerations"
There some minor functionality issues to be aware of when comparing
Perl for Unix (Perl/UX) to Perl/iX:
.IP "\(bu" 4
\&\s-1MPE\s0 gcc/ld doesn't properly support linking \s-1NMPRG\s0 executables against
\&\s-1NMXL\s0 dynamic libraries, so you must manually run mpeix/relink after
each re-build of Perl.
.IP "\(bu" 4
Perl/iX File::Copy will use \s-1MPE\s0's /bin/cp command to copy files by
name in order to preserve file attributes like file code.
.IP "\(bu" 4
\&\s-1MPE\s0 (and thus Perl/iX) lacks support for \fIsetgrent()\fR, \fIendgrent()\fR,
\&\fIsetpwent()\fR, \fIendpwent()\fR.
.IP "\(bu" 4
\&\s-1MPE\s0 (and thus Perl/iX) lacks support for hard links.
.IP "\(bu" 4
\&\s-1MPE\s0 requires \s-1\fIGETPRIVMODE\s0()\fR in order to \fIbind()\fR to ports less than 1024.
Perl/iX will call \s-1\fIGETPRIVMODE\s0()\fR automatically on your behalf if you
attempt to \fIbind()\fR to these low-numbered ports.  Note that the Perl/iX
executable and the \s-1PERL\s0 account do not normally have CAP=PM, so if you
will be \fIbind()\fR\-ing to these privileged ports, you will manually need
to add \s-1PM\s0 capability as appropriate.
.IP "\(bu" 4
\&\s-1MPE\s0 requires that you \fIbind()\fR to an \s-1IP\s0 address of zero.  Perl/iX
automatically replaces the \s-1IP\s0 address that you pass to \fIbind()\fR with
a zero.
.IP "\(bu" 4
\&\s-1MPE\s0 requires \s-1\fIGETPRIVMODE\s0()\fR in order to \fIsetuid()\fR.  There are too many
calls to \fIsetuid()\fR within Perl/iX, so I have not attempted an automatic
\&\s-1\fIGETPRIVMODE\s0()\fR solution similar to \fIbind()\fR.
.RE
.RS 4
.SH "Known Perl/iX Bugs Under Investigation"
.IX Header "Known Perl/iX Bugs Under Investigation"
None.
.SH "Perl/iX To-Do List"
.IX Header "Perl/iX To-Do List"
.IP "\(bu" 4
Make \fIsetuid()\fR/\fIsetgid()\fR support work.
.IP "\(bu" 4
Make sure that \fIfcntl()\fR against a socket descriptor is redirected to \fIsfcntl()\fR.
.IP "\(bu" 4
Add support for Berkeley \s-1DB\s0 once I've finished porting Berkeley \s-1DB\s0.
.IP "\(bu" 4
Write an \s-1MPE\s0 \s-1XS\s0 extension library containing miscellaneous important
\&\s-1MPE\s0 functions like \s-1\fIGETPRIVMODE\s0()\fR, \s-1\fIGETUSERMODE\s0()\fR, and \fIsfcntl()\fR.
.RE
.RS 4
.SH "Perl/iX Change History"
.IX Header "Perl/iX Change History"
May 6, 1999
.IP "\(bu" 4
Patch \s-1LBCJXT6A\s0 is required on MPE/iX 5.5 machines in order to prevent
Perl/iX from dying with an unresolved external reference to _getenv_libc.
.RE
.RS 4
.Sp
April 7, 1999
.IP "\(bu" 4
Updated to version 5.005_03.
.IP "\(bu" 4
The official source distribution once again compiles \*(L"straight out
of the box\*(R" for \s-1MPE\s0.
.IP "\(bu" 4
The current incarnation of the 5.5 \s-1POSIX\s0 filename extended
characters patch is now \s-1MPEKX40B\s0.
.IP "\(bu" 4
The \s-1LIBSHP3K\s0 *.a \-> *.sl library conversion script is now included
as /PERL/PUB/LIBSHP3K.
.RE
.RS 4
.Sp
November 20, 1998
.IP "\(bu" 4
Updated to version 5.005_02.
.IP "\(bu" 4
Fixed a DynaLoader bug that was unable to load symbols from relative
path name libraries.
.IP "\(bu" 4
Fixed a .xs compilation bug where the mpeixish.sh include file wasn't
being installed into the proper directory.
.IP "\(bu" 4
All bugfixes will be submitted back to the official Perl developers.
.IP "\(bu" 4
The current incarnation of the \s-1POSIX\s0 filename extended characters
patch is now \s-1MPEKXJ3A\s0.
.RE
.RS 4
.Sp
August 14, 1998
.IP "\(bu" 4
The previous \s-1POSIX\s0 filename extended characters patch \s-1MPEKX44C\s0 has
been superseded by \s-1MPEKXB5A\s0.
.RE
.RS 4
.Sp
August 7, 1998
.IP "\(bu" 4
The previous \s-1POSIX\s0 filename extended characters patch \s-1MPEKX76A\s0 has
been superseded by \s-1MPEKX44C\s0.
.RE
.RS 4
.Sp
July 28, 1998
.IP "\(bu" 4
Updated to version 5.005_01.
.RE
.RS 4
.Sp
July 23, 1998
.IP "\(bu" 4
Updated to version 5.005 (production release).  The public
freeware sources are now 100% MPE-ready \*(L"straight out of the box\*(R".
.RE
.RS 4
.Sp
July 17, 1998
.IP "\(bu" 4
Updated to version 5.005b1 (public beta release).  The public
freeware sources are now 99.9% MPE\-ready.  By installing and
testing this beta on your own \s-1HP3000\s0, you will be helping to
insure that the final release of 5.005 will be 100% MPE-ready and
100% bug free.
.IP "\(bu" 4
My \s-1MPE\s0 binary release is now extracted using my standard \s-1INSTALL\s0 script.
.RE
.RS 4
.Sp
July 15, 1998
.IP "\(bu" 4
Changed startperl to #!/PERL/PUB/perl so that Perl will recognize
scripts more easily and efficiently.
.RE
.RS 4
.Sp
July 8, 1998
.IP "\(bu" 4
Updated to version 5.004_70 (internal developer release) which is now
MPE\-ready.  The next public freeware release of Perl should compile
\&\*(L"straight out of the box\*(R" on \s-1MPE\s0.  Note that this version of Perl/iX
was strictly internal to me and never publicly released.  Note that
[21]BIND/iX is now required (well, the include files and libbind.a) if
you wish to compile Perl/iX.
.RE
.RS 4
.Sp
November 6, 1997
.IP "\(bu" 4
Updated to version 5.004_04.  No changes in MPE-specific functionality.
.RE
.RS 4
.Sp
October 16, 1997
.IP "\(bu" 4
Added Demos section to the Perl/iX home page so you can see some
sample Perl applications running on my 3000.
.RE
.RS 4
.Sp
October 3, 1997
.IP "\(bu" 4
Added System Requirements section to the Perl/iX home page just so the
prerequisites stand out more. Various other home page tweaks.
.RE
.RS 4
.Sp
October 2, 1997
.IP "\(bu" 4
Initial public release.
.RE
.RS 4
.Sp
September 1997
.IP "\(bu" 4
Porting begins.
.RE
.RS 4
.SH "AUTHOR"
.IX Header "AUTHOR"
Mark Bixby, http://www.bixby.org/mark/