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diff --git a/README.aix b/README.aix index 999d9ad6c3..66aac69a6c 100644 --- a/README.aix +++ b/README.aix @@ -4,22 +4,23 @@ designed to be readable as is. =head1 NAME -README.aix - Perl version 5 on IBM Unix (AIX) systems +README.aix - Perl version 5 on IBM AIX (UNIX) systems =head1 DESCRIPTION -This document describes various features of IBM's Unix operating -system (AIX) that will affect how Perl version 5 (hereafter just Perl) +This document describes various features of IBM's UNIX operating +system AIX that will affect how Perl version 5 (hereafter just Perl) is compiled and/or runs. =head2 Compiling Perl 5 on AIX -For information on compilers on older versions of AIX, see L<Compiling +For information on compilers on older versions of AIX, see L<Compiling Perl 5 on older AIX versions up to 4.3.3>. When compiling Perl, you must use an ANSI C compiler. AIX does not ship -an ANSI compliant C-compiler with AIX by default, but binary builds of -gcc for AIX are widely available. +an ANSI compliant C compiler with AIX by default, but binary builds of +gcc for AIX are widely available. A version of gcc is also included in +the AIX Toolbox which is shipped with AIX. =head2 Supported Compilers @@ -32,14 +33,15 @@ like DBD::Oracle, it is better to use the _r version of the compiler. This will not build a threaded Perl, but a thread-enabled Perl. See also L<Threaded Perl> later on. -As of writing (2009-08) only the IBM XL C for AIX or XL C/C++ for AIX -compiler is supported by IBM on AIX 5L/6.1. +As of writing (2010-03) only the I<IBM XL C for AIX> or I<IBM XL C/C++ +for AIX> compiler is supported by IBM on AIX 5L/6.1. -The following compiler versions are supported by IBM: +The following compiler versions are currently supported by IBM: -XL C and XL C/C++ V7, V8, V9, V10 + IBM XL C and IBM XL C/C++ V8, V9, V10 -The XL C for AIX is integrated in the XL C/C++ for AIX compiler. +The XL C for AIX is integrated in the XL C/C++ for AIX compiler and +therefore also supported. If you choose XL C/C++ V9 you need APAR IZ35785 installed otherwise the integrated SDBM_File do not compile correctly due @@ -65,43 +67,47 @@ system then Perl will not work. This library contains the header files /opt/freeware/include/gdbm/dbm.h|ndbm.h which conflict with the AIX system versions. The lib gdbm will be automatically removed from the wanted libraries if the presence of one of these two header files is -detected. If you want to bild Perl with GDBM support then please install -at leas gdbm-devel-1.8.3-5 (or higher). - -=head2 Perl 5.10 was successfully compiled and tested on: - - AIX Level | Compiler Level | w th | w/o th - --------------------------+-------------------------+------+------- - 5.1 TL9 32 bit | XL C/C++ V7 | OK | OK - 5.1 TL9 32 bit | gcc 3.2.2 | OK | OK - 5.1 TL9 64 bit | XL C/C++ V7 | OK | OK - 5.2 TL10 32 bit | XL C/C++ V8 | OK | OK - 5.2 TL8 64 bit | VA C/C++ V6 | OK | OK - 5.2 TL10 64 bit | XL C/C++ V8 | OK | OK - 5.3 TL7 32 bit | XL C/C++ V9 + IZ35785 | OK | OK - 5.3 TL7 32 bit | gcc 4.2.4 | OK | OK - 5.3 TL7 64 bit | XL C/C++ V9 + IZ35785 | OK | OK - 6.1 TL1 32 bit | XL C/C++ V10 | OK | OK - 6.1 TL1 64 bit + IZ39077 | XL C/C++ V10 | OK | OK - - w th = with thread - w/o th = without thread +detected. If you want to build Perl with GDBM support then please install +at least gdbm-devel-1.8.3-5 (or higher). + +=head2 Perl 5.12 was successfully compiled and tested on: + + AIX Level | Compiler Level | w th | w/o th + ---------------------+-------------------------+------+------- + 5.1 TL9 32 bit | XL C/C++ V7 | OK | OK + 5.1 TL9 64 bit | XL C/C++ V7 | OK | OK + 5.2 TL10 SP8 32 bit | XL C/C++ V8 | OK | OK + 5.2 TL10 SP8 32 bit | gcc 3.2.2 | OK | OK + 5.2 TL10 SP8 64 bit | XL C/C++ V8 | OK | OK + 5.3 TL8 SP8 32 bit | XL C/C++ V9 + IZ35785 | OK | OK + 5.3 TL8 SP8 32 bit | gcc 4.2.4 | OK | OK + 5.3 TL8 SP8 64 bit | XL C/C++ V9 + IZ35785 | OK | OK + 6.1 TL1 SP7 32 bit | XL C/C++ V10 | OK | OK + 6.1 TL1 SP7 64 bit | XL C/C++ V10 | OK | OK + + w th = with thread support + w/o th = without thread support OK = tested -Successfully tested means that all "make test" runs finish with an +Successfully tested means that all "make test" runs finish with a result of 100% OK. All tests were conducted with -Duseshrplib set. +All tests were conducted on the oldest supported AIX technology level +with the latest support package applied. If the tested AIX version is +out of support (AIX 4.3.3, 5.1, 5.2) then the last available support +level was used. + =head2 Building Dynamic Extensions on AIX -Starting from Perl 5.7.2 (and consequently 5.8.x / 5.10.x) and AIX 4.3 -or newer Perl uses the AIX native dynamic loading interface in the so -called runtime linking mode instead of the emulated interface that was -used in Perl releases 5.6.1 and earlier or, for AIX releases 4.2 and -earlier. This change does break backward compatibility with compiled -modules from earlier Perl releases. The change was made to make Perl -more compliant with other applications like Apache/mod_perl which are -using the AIX native interface. This change also enables the use of -C++ code with static constructors and destructors in Perl extensions, +Starting from Perl 5.7.2 (and consequently 5.8.x / 5.10.x / 5.12.x) +and AIX 4.3 or newer Perl uses the AIX native dynamic loading interface +in the so called runtime linking mode instead of the emulated interface +that was used in Perl releases 5.6.1 and earlier or, for AIX releases +4.2 and earlier. This change does break backward compatibility with +compiled modules from earlier Perl releases. The change was made to make +Perl more compliant with other applications like Apache/mod_perl which are +using the AIX native interface. This change also enables the use of +C++ code with static constructors and destructors in Perl extensions, which was not possible using the emulated interface. It is highly recommended to use the new interface. @@ -115,20 +121,22 @@ Should yield no problems. Should yield no problems with AIX 5.1 / 5.2 / 5.3 and 6.1. IBM uses the AIX system Perl (V5.6.0 on AIX 5.1 and V5.8.2 on -AIX 5.2 / 5.3 and 6.1) for some AIX -system scripts. If you switch the links in /usr/bin from the +AIX 5.2 / 5.3 and 6.1; V5.8.8 on AIX 5.3 TL11 and AIX 6.1 TL4) for +some AIX system scripts. If you switch the links in /usr/bin from the AIX system Perl (/usr/opt/perl5) to the newly build Perl then you -get the same features as with the IBM AIX system Perl if the -threaded options are used. +get the same features as with the IBM AIX system Perl if the threaded +options are used. The threaded Perl build works also on AIX 5.1 but the IBM Perl build (Perl v5.6.0) is not threaded on AIX 5.1. +Perl 5.12 is not compatible with the IBM fileset perl.libext. + =head2 64-bit Perl If your AIX system is installed with 64-bit support, you can expect 64-bit configurations to work. If you want to use 64-bit Perl on AIX 6.1 -you need a APAR for a libc.a bug which affects (n)dbm_XXX functions. +you need an APAR for a libc.a bug which affects (n)dbm_XXX functions. The APAR number for this problem is IZ39077. If you need more memory (larger data segment) for your Perl programs you @@ -139,7 +147,7 @@ can set: data = -1 (default is 262144 * 512 byte) With the default setting the size is limited to 128MB. -The -1 removes this limit. If the "make test" fails please change +The -1 removes this limit. If the "make test" fails please change your /etc/security/limits as stated above. =head2 Recommended Options AIX 5.1/5.2/5.3 and 6.1 (threaded/32-bit) @@ -192,7 +200,7 @@ passes all make tests in 64-bit mode. =head2 Recommended Options AIX 5.1/5.2/5.3 and 6.1(64-bit) -With the following options you get a Perl version which passes all +With the following options you get a Perl version which passes all make tests in 64-bit mode. export OBJECT_MODE=64 / setenv OBJECT_MODE 64 (depending on your shell) @@ -205,10 +213,10 @@ make tests in 64-bit mode. -Duse64bitall \ -Dprefix=/usr/opt/perl5_64 -The -Dprefix option will install Perl in a directory parallel to the +The -Dprefix option will install Perl in a directory parallel to the IBM AIX system Perl installation. -If you choose gcc to compile 64-bit Perl then you need to add the +If you choose gcc to compile 64-bit Perl then you need to add the following option: -Dcc='gcc -maix64' @@ -216,9 +224,9 @@ following option: =head2 Compiling Perl 5 on older AIX versions up to 4.3.3 -Due to the fact that AIX 4.3.3 reached end-of-service in December 31, -2003 this information is provided as is. The Perl versions prior to -Perl 5.8.9 could be compiled on AIX up to 4.3.3 with the following +Due to the fact that AIX 4.3.3 reached end-of-service in December 31, +2003 this information is provided as is. The Perl versions prior to +Perl 5.8.9 could be compiled on AIX up to 4.3.3 with the following settings (your mileage may vary): When compiling Perl, you must use an ANSI C compiler. AIX does not ship @@ -279,7 +287,7 @@ cannot be built without bos.adt.syscalls and bos.adt.libm installed bos.adt.syscalls 5.1.0.36 COMMITTED System Calls Application # -=head2 Building Dynamic Extensions on AIX +=head2 Building Dynamic Extensions on AIX E<lt> 5L AIX supports dynamically loadable objects as well as shared libraries. Shared libraries by convention end with the suffix .a, which is a bit @@ -427,18 +435,19 @@ Linux compatibility packages, available here: http://www.ibm.com/servers/aix/products/aixos/linux/ -=head2 Using Large Files with Perl +=head2 Using Large Files with Perl E<lt> 5L Should yield no problems. -=head2 Threaded Perl +=head2 Threaded Perl E<lt> 5L Threads seem to work OK, though at the moment not all tests pass when threads are used in combination with 64-bit configurations. You may get a warning when doing a threaded build: - "pp_sys.c", line 4640.39: 1506-280 (W) Function argument assignment between types "unsigned char*" and "const void*" is not allowed. + "pp_sys.c", line 4640.39: 1506-280 (W) Function argument assignment + between types "unsigned char*" and "const void*" is not allowed. The exact line number may vary, but if the warning (W) comes from a line line this @@ -450,7 +459,7 @@ is caused by the reentrant variant of gethostbyaddr() having a slightly different prototype than its non-reentrant variant, but the difference is not really significant here. -=head2 64-bit Perl +=head2 64-bit Perl E<lt> 5L If your AIX is installed with 64-bit support, you can expect 64-bit configurations to work. In combination with threads some tests might @@ -473,6 +482,6 @@ Rainer Tammer <tammer@tammer.net> =head1 DATE -Version 0.0.11: 18 Jan 2010 +Version 5.12.0 / 2010-03-20 =cut |