X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=README.aix;h=393838703825f07f04c50fbc071a5b13fdb04cfa;hb=dc6d0c4f0dc8290035f9541d4ee259b8bfea7456;hp=b58b668e15a6cfcf7b03150bce7d209104aecda4;hpb=210b36aa2e9e009554be8970c3315c2658c0384f;p=p5sagit%2Fp5-mst-13.2.git diff --git a/README.aix b/README.aix index b58b668..3938387 100644 --- a/README.aix +++ b/README.aix @@ -19,12 +19,20 @@ an ANSI compliant C-compiler with AIX by default, but binary builds of gcc for AIX are widely available. At the moment of writing, AIX supports two different native C compilers, -for which you have to pay: B and B. If you decide to use either +for which you have to pay: B and B. If you decide to use either of these two (which is quite a lot easier than using gcc), be sure to upgrade to the latest available patch level. Currently: - xlC.C 3.1.4.0 - vac.C 4.4.0.3 or 5.0.2.0 + xlC.C 3.1.4.10 or 3.6.6.0 or 4.0.2.2 or 5.0.2.9 or 6.0.0.3 + vac.C 4.4.0.3 or 5.0.2.6 or 6.0.0.1 + +note that xlC has the OS version in the name as of version 4.0.2.0, so +you will find xlC.C for AIX-5.0 as package + + xlC.aix50.rte 5.0.2.0 or 6.0.0.3 + +subversions are not the same `latest' on all OS versions. For example, +the latest xlC-5 on aix41 is 5.0.2.9, while on aix43, it is 5.0.2.7. Perl can be compiled with either IBM's ANSI C compiler or with gcc. The former is recommended, as not only can it compile Perl with no @@ -46,35 +54,52 @@ team. Before installing the patches to the IBM C-compiler you need to know the level of patching for the Operating System. IBM's command 'oslevel' will -show the base, but is not always complete: +show the base, but is not always complete (in this example oslevel shows +4.3.NULL, whereas the system might run most of 4.3.THREE): # oslevel 4.3.0.0 # lslpp -l | grep 'bos.rte ' - bos.rte 4.3.2.1 COMMITTED Base Operating System Runtime - bos.rte 4.3.2.0 COMMITTED Base Operating System Runtime + bos.rte 4.3.3.75 COMMITTED Base Operating System Runtime + bos.rte 4.3.2.0 COMMITTED Base Operating System Runtime # -=head2 Building Dynamic Extensions on AIX +The same might happen to AIX 5.1 or other OS levels. As a side note, perl +cannot be built without bos.adt.syscalls and bos.adt.libm installed + + # lslpp -l | egrep "syscalls|libm" + bos.adt.libm 5.1.0.25 COMMITTED Base Application Development + bos.adt.syscalls 5.1.0.36 COMMITTED System Calls Application + # -AIX supports dynamically loadable libraries (shared libraries). -Shared libraries end with the suffix .a, which is a bit misleading, -because *all* libraries are shared ;-). +=head2 Building Dynamic Extensions on AIX -Note that starting from Perl 5.7.2 (and consequently 5.8.0) and AIX -4.3 or newer Perl uses the AIX native dynamic loading interface -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 will -probably break backward compatibility with compiled modules. -The change was made to make Perl more compliant with other applications -like modperl which are using the AIX native interface. +AIX supports dynamically loadable objects as well as shared libraries. +Shared libraries by convention end with the suffix .a, which is a bit +misleading, as an archive can contain static as well as dynamic members. +For perl dynamically loaded objects we use the .so suffix also used on +many other platforms. + +Note that starting from Perl 5.7.2 (and consequently 5.8.0) 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. =head2 The IBM ANSI C Compiler All defaults for Configure can be used. If you've chosen to use vac 4, be sure to run 4.4.0.3. Older versions -will turn up nasty later on. For vac 5 be sure to run at least 5.0.1.0. +will turn up nasty later on. For vac 5 be sure to run at least 5.0.1.0, +but vac 5.0.2.6 or up is highly recommended. Note that since IBM has +removed vac 5.0.2.1 through 5.0.2.5 from the software depot, these +versions should be considered obsolete. Here's a brief lead of how to upgrade the compiler to the latest level. Of course this is subject to changes. You can only upgrade @@ -132,29 +157,68 @@ On AIX 4.2 using xlC, we continue: On AIX 4.3 using vac, we continue: - # lslpp -l | fgrep 'vac.C ' - vac.C 4.4.0.2 COMMITTED C for AIX Compiler - vac.C 4.4.0.0 COMMITTED C for AIX Compiler - # grep 'vac.C.4.4.0.*.bff' other.ll - -rw-rw-r-- 1 45776101 1 13466624 May 26 1999 vac.C.4.4.0.1.bff - -rw-rw-r-- 1 45776101 1 13473792 Aug 31 1999 vac.C.4.4.0.2.bff - -rw-rw-r-- 1 45776101 1 13480960 May 19 20:32 vac.C.4.4.0.3.bff - # wget ftp://ftp.software.ibm.com/aix/fixes/v4/other/vac.C.4.4.0.3.bff + # lslpp -l | grep 'vac.C ' + vac.C 5.0.2.2 COMMITTED C for AIX Compiler + vac.C 5.0.2.0 COMMITTED C for AIX Compiler + # grep 'vac.C.5.0.2.*.bff' other.ll + -rw-rw-r-- 1 45776101 1 13592576 Apr 16 2001 vac.C.5.0.2.0.bff + -rw-rw-r-- 1 45776101 1 14133248 Apr 9 2002 vac.C.5.0.2.3.bff + -rw-rw-r-- 1 45776101 1 14173184 May 20 2002 vac.C.5.0.2.4.bff + -rw-rw-r-- 1 45776101 1 14192640 Nov 22 2002 vac.C.5.0.2.6.bff + # wget ftp://ftp.software.ibm.com/aix/fixes/v4/other/vac.C.5.0.2.6.bff # -Then execute the following command, and fill in its choices +Likewise on all other OS levels. Then execute the following command, and +fill in its choices # smit install_update -> Install and Update from LATEST Available Software - * INPUT device / directory for software [ vac.C.4.4.0.3.bff ] + * INPUT device / directory for software [ vac.C.5.0.2.6.bff ] [ OK ] [ OK ] Follow the messages ... and you're done. +If you like a more web-like approach, a good start point can be +http://www14.software.ibm.com/webapp/download/downloadaz.jsp and click +"C for AIX", and follow the instructions. + +=head2 The usenm option + +If linking miniperl + + cc -o miniperl ... miniperlmain.o opmini.o perl.o ... -lm -lc ... + +causes error like this + + ld: 0711-317 ERROR: Undefined symbol: .aintl + ld: 0711-317 ERROR: Undefined symbol: .copysignl + ld: 0711-317 ERROR: Undefined symbol: .syscall + ld: 0711-317 ERROR: Undefined symbol: .eaccess + ld: 0711-317 ERROR: Undefined symbol: .setresuid + ld: 0711-317 ERROR: Undefined symbol: .setresgid + ld: 0711-317 ERROR: Undefined symbol: .setproctitle + ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more information. + +you could retry with + + make realclean + rm config.sh + ./Configure -Dusenm ... + +which makes Configure to use the C tool when scanning for library +symbols, which usually is not done in AIX. + +Related to this, you probably should not use the C<-r> option of +Configure in AIX, because that affects of how the C tool is used. + =head2 Using GNU's gcc for building perl -We're working on this using gcc-3.0 ... (any input highly appreciated) +Using gcc-3.x (tested with 3.0.4, 3.1, and 3.2) now works out of the box, +as do recent gcc-2.9 builds available directly from IBM as part of their +Linux compatibility packages, available here: + + http://www.ibm.com/servers/aix/products/aixos/linux/ =head2 Using Large Files with Perl @@ -165,6 +229,20 @@ Should yield no problems. Threads seem to work OK, though at the moment not all tests pass when threads are used in combination with 64bit 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. + +The exact line number may vary, but if the warning (W) comes from a line +line this + + hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype); + +in the "pp_ghostent" function, you may ignore it safely. The warning +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 If your AIX is installed with 64-bit support, you can expect 64bit @@ -185,10 +263,8 @@ therefore in AIX 4.2 Perl is not linked against the libC_r. H.Merijn Brand -Structure copied from README.hpux - =head1 DATE -Version 0.0.3: 12 Jul 2001 +Version 0.0.6: 23 Dec 2002 =cut