This document is written in pod format hence there are punctuation
-characters in odd places. Do not worry, you've apparently got the
+characters in odd places. Do not worry, you have apparently got the
ASCII->EBCDIC translation worked out correctly. You can read more
about pod in pod/perlpod.pod or the short summary in the INSTALL file.
=head1 NAME
-README.os390 - building and installing Perl for OS/390.
+perlos390 - building and installing Perl for OS/390 and z/OS
=head1 SYNOPSIS
This document will help you Configure, build, test and install Perl
-on OS/390 Unix System Services.
+on OS/390 (aka z/OS) Unix System Services.
+
+B<This document needs to be updated, but we don't know what it should say.
+Please submit comments to L<https://github.com/Perl/perl5/issues>.>
=head1 DESCRIPTION
This is a fully ported Perl for OS/390 Version 2 Release 3, 5, 6, 7,
8, and 9. It may work on other versions or releases, but those are
-the ones we've tested it on.
+the ones we have tested it on.
You may need to carry out some system configuration tasks before
running the Configure script for Perl.
+
+=head2 Tools
+
+The z/OS Unix Tools and Toys list may prove helpful and contains links
+to ports of much of the software helpful for building Perl.
+L<http://www.ibm.com/servers/eserver/zseries/zos/unix/bpxa1toy.html>
+
+
=head2 Unpacking Perl distribution on OS/390
+If using ftp remember to transfer the distribution in binary format.
+
Gunzip/gzip for OS/390 is discussed at:
- http://www.s390.ibm.com/products/oe/bpxqp1.html
+ http://www.ibm.com/servers/eserver/zseries/zos/unix/bpxa1ty1.html
to extract an ASCII tar archive on OS/390, try this:
pax -o to=IBM-1047,from=ISO8859-1 -r < latest.tar
+or
+
+ zcat latest.tar.Z | pax -o to=IBM-1047,from=ISO8859-1 -r
+
+If you get lots of errors of the form
+
+ tar: FSUM7171 ...: cannot set uid/gid: EDC5139I Operation not permitted
+
+you did not read the above and tried to use tar instead of pax, you'll
+first have to remove the (now corrupt) perl directory
+
+ rm -rf perl-...
+
+and then use pax.
+
=head2 Setup and utilities for Perl on OS/390
Be sure that your yacc installation is in place including any necessary
SC28-1890-07 "OS/390 UNIX System Services Planning", in particular
Chapter 6 on customizing the OE shell.
-GNU make for OS/390, which is recommended for the build of perl (as well as
-building CPAN modules and extensions), is available from:
-
- http://www.mks.com/s390/gnu/index.htm
+GNU make for OS/390, which is recommended for the build of perl (as
+well as building CPAN modules and extensions), is available from the
+L</Tools>.
Some people have reported encountering "Out of memory!" errors while
trying to build Perl using GNU make binaries. If you encounter such
_C89_CCMODE=1 is also a good idea for users of GNU make).
You might also want to have GNU groff for OS/390 installed before
-running the `make install` step for Perl.
+running the "make install" step for Perl.
There is a syntax error in the /usr/include/sys/socket.h header file
that IBM supplies with USS V2R7, V2R8, and possibly V2R9. The problem with
=head2 Configure Perl on OS/390
-Once you've unpacked the distribution, run "sh Configure" (see INSTALL
+Once you have unpacked the distribution, run "sh Configure" (see INSTALL
for a full discussion of the Configure options). There is a "hints" file
for os390 that specifies the correct values for most things. Some things
to watch out for include:
-=over 4
-
-=item *
+=head3 Shell
A message of the form:
is nothing to worry about at all.
-=item *
+=head3 Samples
Some of the parser default template files in /samples are needed in /etc.
In particular be sure that you at least copy /samples/yyparse.c to /etc
before running Perl's Configure. This step ensures successful extraction
-of EBCDIC versions of parser files such as perly.c, perly.h, and x2p/a2p.c.
+of EBCDIC versions of parser files such as perly.c and perly.h.
This has to be done before running Configure the first time. If you failed
to do so then the easiest way to re-Configure Perl is to delete your
misconfigured build root and re-extract the source from the tar ball.
Then you must ensure that /etc/yyparse.c is properly in place before
attempting to re-run Configure.
-=item *
+=head3 Dynamic loading
+
+Dynamic loading is required if you want to use XS modules from CPAN (like
+DBI (and DBD's), JSON::XS, and Text::CSV_XS) or update CORE modules from
+CPAN with newer versions (like Encode) without rebuilding all of the perl
+binary.
This port will support dynamic loading, but it is not selected by
default. If you would like to experiment with dynamic loading then
If in trying to use Perl you see an error message similar to:
CEE3501S The module libperl.dll was not found.
- From entry point __dllstaticinit at compile unit offset +00000194 at
+ From entry point __dllstaticinit at compile unit offset +00000194
+ at
then your LIBPATH does not have the location of libperl.x and either
libperl.dll or libperl.so in it. Add that directory to your LIBPATH and
proceed.
-=item *
+In hints/os390.sh, selecting -Dusedl will default to *also* select
+-Duseshrplib. Having a shared plib not only requires LIBPATH to be set to
+the correct location of libperl.so but also makes it close to impossible
+to run more than one different perl that was built this way at the same
+time.
+
+All objects that are involved in -Dusedl builds should be compiled for
+this, probably by adding to all ccflags
+
+ -qexportall -qxplink -qdll -Wc,XPLINK,dll,EXPORTALL -Wl,XPLINK,dll
+
+=head3 Optimizing
Do not turn on the compiler optimization flag "-O". There is
a bug in either the optimizer or perl that causes perl to
not work correctly when the optimizer is on.
-=item *
+=head3 Config files
Some of the configuration files in /etc used by the
networking APIs are either missing or have the wrong
in the "//'SYS1.TCPPARMS(TCPDATA)'" PDS member in order to
properly set up your /etc networking files.
-=back
-
=head2 Build, Test, Install Perl on OS/390
Simply put:
"Out of memory!" messages during the build of Perl are most often fixed
by re building the GNU make utility for OS/390 from a source code kit.
+Building debugging-enabled binaries (with -g or -g3) will increase the
+chance of getting these errors. Prevent -g if possible.
+
Another memory limiting item to check is your MAXASSIZE parameter in your
'SYS1.PARMLIB(BPXPRMxx)' data set (note too that as of V2R8 address space
limits can be set on a per user ID basis in the USS segment of a RACF
=head2 Testing Anomalies with Perl on OS/390
-The `make test` step runs a Perl Verification Procedure, usually before
+The "make test" step runs a Perl Verification Procedure, usually before
installation. You might encounter STDERR messages even during a successful
-run of `make test`. Here is a guide to some of the more commonly seen
+run of "make test". Here is a guide to some of the more commonly seen
anomalies:
-=over 4
-
-=item *
-
-A message of the form:
-
- comp/cpp.............ERROR CBC3191 ./.301989890.c:1 The character $ is not a
- valid C source character.
- FSUM3065 The COMPILE step ended with return code 12.
- FSUM3017 Could not compile .301989890.c. Correct the errors and try again.
- ok
-
-indicates that the t/comp/cpp.t test of Perl's -P command line switch has
-passed but that the particular invocation of c89 -E in the cpp script does
-not suppress the C compiler check of source code validity.
-
-=item *
+=head3 Signals
A message of the form:
indicates that the t/io/openpid.t test of Perl has passed but done so
with extraneous messages on stderr from CEE.
-=item *
+=head3 File::Temp
A message of the form:
- lib/ftmp-security....File::Temp::_gettemp: Parent directory (/tmp/) is not safe
- (sticky bit not set when world writable?) at lib/ftmp-security.t line 100
- File::Temp::_gettemp: Parent directory (/tmp/) is not safe (sticky bit not
- set when world writable?) at lib/ftmp-security.t line 100
+ lib/ftmp-security....File::Temp::_gettemp: Parent directory (/tmp/)
+ is not safe (sticky bit not set when world writable?) at
+ lib/ftmp-security.t line 100
+ File::Temp::_gettemp: Parent directory (/tmp/) is not safe (sticky
+ bit not set when world writable?) at lib/ftmp-security.t line 100
ok
indicates a problem with the permissions on your /tmp directory within the HFS.
To correct that problem issue the command:
- chmod a+t /tmp
+ chmod a+t /tmp
from an account with write access to the directory entry for /tmp.
-=item *
+=head3 Out of Memory!
-Out of Memory!
-
-Recent perl test suite is quite memory hunrgy. In addition to the comments
+Recent perl test suite is quite memory hungry. In addition to the comments
above on memory limitations it is also worth checking for _CEE_RUNOPTS
in your environment. Perl now has (in miniperlmain.c) a C #pragma
-to set CEE run options, but the enviroment variable wins.
+to set CEE run options, but the environment variable wins.
-The C code ask for:
+The C code asks for:
#pragma runopts(HEAP(2M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON))
The important parts of that are the second argument (the increment) to HEAP,
and allowing the stack to be "Above the (16M) line". If the heap
-increment is too small then when perl (for example loading unicode/Name.pl) trys
-to create a "big" (400K+) string it cannot fit in a single segement
+increment is too small then when perl (for example loading unicode/Name.pl) tries
+to create a "big" (400K+) string it cannot fit in a single segment
and you get "Out of Memory!" - even if there is still plenty of memory
available.
is needed to get through the test suite.
-
-=back
-
=head2 Installation Anomalies with Perl on OS/390
The installman script will try to run on OS/390. There will be fewer errors
=head2 Modules and Extensions for Perl on OS/390
-Pure pure (that is non xs) modules may be installed via the usual:
+Pure Perl (that is non XS) modules may be installed via the usual:
perl Makefile.PL
make
make install
If you built perl with dynamic loading capability then that would also
-be the way to build xs based extensions. However, if you built perl with
-the default static linking you can still build xs based extensions for OS/390
+be the way to build XS based extensions. However, if you built perl with
+the default static linking you can still build XS based extensions for OS/390
but you will need to follow the instructions in ExtUtils::MakeMaker for
building statically linked perl binaries. In the simplest configurations
-building a static perl + xs extension boils down to:
+building a static perl + XS extension boils down to:
perl Makefile.PL
make
In most cases people have reported better results with GNU make rather
than the system's /bin/make program, whether for plain modules or for
-xs based extensions.
+XS based extensions.
If the make process encounters trouble with either compilation or
linking then try setting the _C89_CCMODE to 1. Assuming sh is your
L<INSTALL>, L<perlport>, L<perlebcdic>, L<ExtUtils::MakeMaker>.
- http://www.mks.com/s390/gnu/index.htm
+ http://www.ibm.com/servers/eserver/zseries/zos/unix/bpxa1toy.html
- http://www.redbooks.ibm.com/abstracts/sg245944.html
+ http://www.redbooks.ibm.com/redbooks/SG245944.html
- http://www-1.ibm.com/servers/eserver/zseries/zos/unix/bpxa1ty1.html#opensrc
+ http://www.ibm.com/servers/eserver/zseries/zos/unix/bpxa1ty1.html#opensrc
- http://www.xray.mpe.mpg.de/mailing-lists/perl-mvs/
+ http://www.xray.mpe.mpg.de/mailing-lists/perl-mvs/
- http://publibz.boulder.ibm.com:80/cgi-bin/bookmgr_OS390/BOOKS/ceea3030/
+ http://publibz.boulder.ibm.com:80/cgi-bin/bookmgr_OS390/BOOKS/ceea3030/
- http://publibz.boulder.ibm.com:80/cgi-bin/bookmgr_OS390/BOOKS/CBCUG030/
+ http://publibz.boulder.ibm.com:80/cgi-bin/bookmgr_OS390/BOOKS/CBCUG030/
=head2 Mailing list for Perl on OS/390
-The Perl Institute (http://www.perl.org/) maintains a perl-mvs
-mailing list of interest to all folks building and/or
-using perl on all EBCDIC platforms (not just OS/390).
-To subscribe, send a message of:
-
- subscribe perl-mvs
+If you are interested in the z/OS (formerly known as OS/390)
+and POSIX-BC (BS2000) ports of Perl then see the perl-mvs mailing list.
+To subscribe, send an empty message to perl-mvs-subscribe@perl.org.
-to majordomo@perl.org. See also:
+See also:
- http://lists.perl.org/showlist.cgi?name=perl-mvs
+ https://lists.perl.org/list/perl-mvs.html
There are web archives of the mailing list at:
- http://www.xray.mpe.mpg.de/mailing-lists/perl-mvs/
- http://archive.develooper.com/perl-mvs@perl.org/
+ https://www.nntp.perl.org/group/perl.mvs/
=head1 HISTORY
Updated 12 November 2000 for the 5.7.1 release of Perl.
-Updated 15 January 2001 for the 5.7.1 release of Perl.
+Updated 15 January 2001 for the 5.7.1 release of Perl.
+
+Updated 24 January 2001 to mention dynamic loading.
+
+Updated 12 March 2001 to mention //'SYS1.TCPPARMS(TCPDATA)'.
-Updated 24 January 2001 to mention dynamic loading.
+Updated 28 November 2001 for broken URLs.
-Updated 12 March 2001 to mention //'SYS1.TCPPARMS(TCPDATA)'.
+Updated 03 October 2019 for perl-5.33.3+
=cut
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