3 If you read this file _as_is_, just ignore the funny characters you see.
4 It is written in the POD format (see pod/perlpod.pod) which is specially
5 designed to be readable as is.
9 perlos400 - Perl version 5 on OS/400
11 B<This document needs to be updated, but we don't know what it should say.
12 Please submit comments to L<https://github.com/Perl/perl5/issues>.>
16 This document describes various features of IBM's OS/400 operating
17 system that will affect how Perl version 5 (hereafter just Perl) is
20 By far the easiest way to build Perl for OS/400 is to use the PASE
21 (Portable Application Solutions Environment), for more information see
22 L<http://www.iseries.ibm.com/developer/factory/pase/index.html>
23 This environment allows one to use AIX APIs while programming, and it
24 provides a runtime that allows AIX binaries to execute directly on the
27 =head2 Compiling Perl for OS/400 PASE
29 The recommended way to build Perl for the OS/400 PASE is to build the
30 Perl 5 source code (release 5.8.1 or later) under AIX.
32 The trick is to give a special parameter to the Configure shell script
33 when running it on AIX:
35 sh Configure -DPASE ...
37 The default installation directory of Perl under PASE is /QOpenSys/perl.
38 This can be modified if needed with Configure parameter -Dprefix=/some/dir.
40 Starting from OS/400 V5R2 the IBM Visual Age compiler is supported
41 on OS/400 PASE, so it is possible to build Perl natively on OS/400.
42 The easier way, however, is to compile in AIX, as just described.
44 If you don't want to install the compiled Perl in AIX into /QOpenSys
45 (for packaging it before copying it to PASE), you can use a Configure
46 parameter: -Dinstallprefix=/tmp/QOpenSys/perl. This will cause the
47 "make install" to install everything into that directory, while the
48 installed files still think they are (will be) in /QOpenSys/perl.
50 If building natively on PASE, please do the build under the /QOpenSys
51 directory, since Perl is happier when built on a case sensitive filesystem.
53 =head2 Installing Perl in OS/400 PASE
55 If you are compiling on AIX, simply do a "make install" on the AIX box.
56 Once the install finishes, tar up the /QOpenSys/perl directory. Transfer
57 the tarball to the OS/400 using FTP with the following commands:
61 > put perl.tar /QOpenSys
63 Once you have it on, simply bring up a PASE shell and extract the tarball.
65 If you are compiling in PASE, then "make install" is the only thing you
68 The default path for perl binary is /QOpenSys/perl/bin/perl. You'll
69 want to symlink /QOpenSys/usr/bin/perl to this file so you don't have
72 =head2 Using Perl in OS/400 PASE
74 Perl in PASE may be used in the same manner as you would use Perl on AIX.
76 Scripts starting with #!/usr/bin/perl should work if you have
77 /QOpenSys/usr/bin/perl symlinked to your perl binary. This will not
78 work if you've done a setuid/setgid or have environment variable
79 PASE_EXEC_QOPENSYS="N". If you have V5R1, you'll need to get the
80 latest PTFs to have this feature. Scripts starting with
81 #!/QOpenSys/perl/bin/perl should always work.
85 When compiling in PASE, there is no "oslevel" command. Therefore,
86 you may want to create a script called "oslevel" that echoes the
87 level of AIX that your version of PASE runtime supports. If you're
88 unsure, consult your documentation or use "4.3.3.0".
90 If you have test cases that fail, check for the existence of spool files.
91 The test case may be trying to use a syscall that is not implemented
92 in PASE. To avoid the SIGILL, try setting the PASE_SYSCALL_NOSIGILL
93 environment variable or have a handler for the SIGILL. If you can
94 compile programs for PASE, run the config script and edit config.sh
95 when it gives you the option. If you want to remove fchdir(), which
96 isn't implement in V5R1, simply change the line that says:
104 and then compile Perl. The places where fchdir() is used have
105 alternatives for systems that do not have fchdir() available.
109 There exists a port of Perl to the ILE environment. This port, however,
110 is based quite an old release of Perl, Perl 5.00502 (August 1998).
111 (As of July 2002 the latest release of Perl is 5.8.0, and even 5.6.1
112 has been out since April 2001.) If you need to run Perl on ILE, though,
113 you may need this older port: L<http://www.cpan.org/ports/#os400>
114 Note that any Perl release later than 5.00502 has not been ported to ILE.
116 If you need to use Perl in the ILE environment, you may want to consider
117 using Qp2RunPase() to call the PASE version of Perl.