In perl.git, the branch blead has been updated
<https://perl5.git.perl.org/perl.git/commitdiff/92ad49c1bd9a1191936a8e1f2c7d1e8f8cb13fa4?hp=7d769928d688d1662c7e4bda7038ebdc70c42bad>
- Log -----------------------------------------------------------------
commit 92ad49c1bd9a1191936a8e1f2c7d1e8f8cb13fa4
Author: H.Merijn Brand <h.m.br...@xs4all.nl>
Date: Thu Oct 3 14:52:24 2019 +0200
Recent os390 experiences reflected in docs and hints
-----------------------------------------------------------------------
Summary of changes:
README.os390 | 83 +++++++++++++++++++++++-------------------
hints/os390.sh | 21 +++++++----
t/porting/known_pod_issues.dat | 2 +-
3 files changed, 61 insertions(+), 45 deletions(-)
diff --git a/README.os390 b/README.os390
index b0c3cefcad..fdc3b4df4a 100644
--- a/README.os390
+++ b/README.os390
@@ -1,5 +1,5 @@
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.
@@ -19,7 +19,7 @@ Please email comments to
L<perl...@perl.org|mailto:perl...@perl.org>.>
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.
@@ -52,7 +52,7 @@ If you get lots of errors of the form
tar: FSUM7171 ...: cannot set uid/gid: EDC5139I Operation not permitted
-you didn't read the above and tried to use tar instead of pax, you'll
+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-...
@@ -114,24 +114,21 @@ world readable /tmp directory if you have not already
done so (see man chmod).
=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:
- (I see you are using the Korn shell. Some ksh's blow up on
- Configure, mainly on older exotic systems. If yours does, try the
- Bourne shell instead.)
+ (I see you are using the Korn shell. Some ksh's blow up on Configure,
+ mainly on older exotic systems. If yours does, try the Bourne shell instead.)
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
@@ -143,7 +140,12 @@ 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
@@ -162,13 +164,24 @@ 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
@@ -181,8 +194,6 @@ You may have to look for things like HOSTNAME and
DOMAINORIGIN
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:
@@ -204,6 +215,9 @@ or not you have write access to the directories you
specified.
"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
@@ -230,9 +244,7 @@ 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
anomalies:
-=over 4
-
-=item *
+=head3 Signals
A message of the form:
@@ -244,7 +256,7 @@ 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:
@@ -258,13 +270,11 @@ A message of the form:
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 *
-
-Out of Memory!
+=head3 Out of Memory!
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
@@ -290,9 +300,6 @@ case something like:
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
@@ -357,7 +364,7 @@ The problem can be further examined in a roughly equivalent
C program:
=head2 Modules and Extensions for Perl on OS/390
-Pure pure (that is non xs) modules may be installed via the usual:
+Pure pure (that is non XS) modules may be installed via the usual:
perl Makefile.PL
make
@@ -365,11 +372,11 @@ Pure pure (that is non xs) modules may be installed via
the usual:
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
@@ -380,7 +387,7 @@ building a static perl + xs extension boils down to:
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
@@ -436,15 +443,17 @@ release of Perl.
This document was podified for the 5.005_03 release of Perl 11 March 1999.
-Updated 28 November 2001 for broken URLs.
-
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 24 January 2001 to mention dynamic loading.
+Updated 12 March 2001 to mention //'SYS1.TCPPARMS(TCPDATA)'.
+
+Updated 28 November 2001 for broken URLs.
-Updated 12 March 2001 to mention //'SYS1.TCPPARMS(TCPDATA)'.
+Updated 03 October 2019 for perl-5.31.5+
=cut
diff --git a/hints/os390.sh b/hints/os390.sh
index 8fe573e48f..7739a42604 100644
--- a/hints/os390.sh
+++ b/hints/os390.sh
@@ -32,9 +32,12 @@ esac
# YYDYNAMIC ensures that the OS/390 yacc generated parser is reentrant.
# -DEBCDIC should come from Configure and need not be mentioned here.
# Prepend your favorites with Configure -Dccflags=your_favorites
+ def_os390_cflags='-qlanglvl=extended:extc89:extc99 -qlongname -qxplink -qdll
-qfloat=ieee -qexportall -qhaltonmsg=3296:4108'
+ def_os390_cflags="$def_os390_cflags -Wc,XPLINK,dll,EXPORTALL -Wl,XPLINK,dll"
+ def_os390_defs='-DMAXSIG=39 -DOEMVS -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED
-D_ALL_SOURCE -DYYDYNAMIC -D_POSIX_SOURCE=1'
case "$ccflags" in
-'') ccflags='-qlanglvl=extended:extc89:extc99 -qlongname -qxplink -qdll
-qfloat=ieee -qhaltonmsg=3296:4108 -DMAXSIG=39 -DOEMVS -D_OE_SOCKETS
-D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -DYYDYNAMIC -D_POSIX_SOURCE=1' ;;
-*) ccflags='$ccflags -qlanglvl=extended:extc89:extc99 -qlongname -qxplink
-qdll -qfloat=ieee -qhaltonmsg=3296:4108 -DMAXSIG=39 -DOEMVS -D_OE_SOCKETS
-D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -DYYDYNAMIC -D_POSIX_SOURCE=1' ;;
+'') ccflags="$def_os390_cflags $def_os390_defs" ;;
+*) ccflags="$ccflags $def_os390_cflags $def_os390_defs" ;;
esac
# Turning on optimization breaks perl.
@@ -46,7 +49,7 @@ esac
# To link via definition side decks we need the dll option
# You can override this with Configure -Ucccdlflags or somesuch.
case "$cccdlflags" in
-'') cccdlflags='-qxplink -qdll' ;;
+'') cccdlflags='-qxplink -qdll -qexportall -Wc,XPLINK,dll,EXPORTALL
-Wl,XPLINK,dll' ;;
esac
case "$so" in
@@ -72,7 +75,11 @@ esac
# information at the end of the executable (=> smaller binaries).
# Override this option with -Dldflags='whatever else you wanted'.
case "$ldflags" in
-'') ldflags='-qxplink -qdll' ;;
+'') ldflags='-qxplink -qdll -Wl,XPLINK,dll' ;;
+esac
+case "$optimize" in
+*-g*) ;;
+*) ldflags="$ldflags -Wl,EDIT=NO"
esac
# In order to build with dynamic be sure to specify:
@@ -111,11 +118,11 @@ define)
esac
libperl="libperl.$so"
ccflags="$ccflags -D_SHR_ENVIRON -DPERL_EXTERNAL_GLOB -qexportall -qdll
-qxplink"
- cccdlflags='-c -qexportall -qxplink -qdll'
+ cccdlflags='-c -qexportall -qxplink -qdll -Wc,XPLINK,dll,EXPORTALL
-Wl,XPLINK,dll'
# The following will need to be modified for the installed libperl.x.
# The modification to Config.pm is done by the installperl script after
the build and test.
- ccdlflags="-qxplink -qdll `pwd`/libperl.x"
- lddlflags="-qxplink -qdll `pwd`/libperl.x"
+ ccdlflags="-qxplink -qdll -Wl,XPLINK,dll `pwd`/libperl.x"
+ lddlflags="-qxplink -qdll -Wl,XPLINK,dll `pwd`/libperl.x"
;;
esac
# even on static builds using LIBPATH should be OK.
diff --git a/t/porting/known_pod_issues.dat b/t/porting/known_pod_issues.dat
index b2dd8df6d8..85ca85335c 100644
--- a/t/porting/known_pod_issues.dat
+++ b/t/porting/known_pod_issues.dat
@@ -383,7 +383,7 @@ pod/perlmacosx.pod Verbatim line length including indents
exceeds 79 by 3
pod/perlmroapi.pod ? Should you be using L<...> instead of 1
pod/perlos2.pod ? Should you be using L<...> instead of 2
pod/perlos2.pod Verbatim line length including indents exceeds 79 by
5
-pod/perlos390.pod Verbatim line length including indents exceeds 79 by
2
+pod/perlos390.pod Verbatim line length including indents exceeds 79 by
3
pod/perlperf.pod Verbatim line length including indents exceeds 79 by
114
pod/perlport.pod ? Should you be using L<...> instead of 1
pod/perlrun.pod Verbatim line length including indents exceeds 79 by
3
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