From: Dominic Dunlop Date: Thu, 11 Mar 2004 10:34:01 +0000 (+0100) Subject: Re: [PATCH] Re: Proposal to remove support for MachTen X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=d0c3e6d694ba2b6651c767fbceed20be69dd8594;p=p5sagit%2Fp5-mst-13.2.git Re: [PATCH] Re: Proposal to remove support for MachTen Message-Id: <3B07B7FC-733F-11D8-AC24-000A27839BD6@mac.com> p4raw-id: //depot/perl@22484 --- diff --git a/README.machten b/README.machten index a15b907..f2628fd 100644 --- a/README.machten +++ b/README.machten @@ -11,9 +11,36 @@ README.machten - Perl version 5 on Power MachTen systems This document describes how to build Perl 5 on Power MachTen systems, and discusses a few wrinkles in the implementation. -=head2 Compiling Perl 5 on MachTen - -To compile perl under MachTen 4.1.4 (and probably earlier versions): +=head2 Perl version 5.8.x and greater not supported + +B +If you wish to build a version from the 5.6 track, please +obtain a source distribution from the archive at +L and follow the instructions in its +README.machten file. + +MachTen is no longer supported by its developers, Tenon Intersystems. +A UNIX environment hosted on Mac OS Classic, MachTen has been +superseded by Mac OS X and by BSD and Linux implementations for Macintosh +hardware. +The final version of Power MachTen, 4.1.4, lacks many features found in +modern implementations of UNIX, and has a number of bugs. +These shortcomings prevent recent versions of Perl from being able to use +extensions on MachTen, and cause numerous test suite failures in the +perl core. + +In September 2003, a discussion on the MachTen mailing list determined +that there was no interest in making a later version of Perl build +successfully on MachTen. +Consequently, support for building Perl under MachTen has been suppressed +in Perl distributions published after February 2004. +The hints file, F, remains a part of the +distributions for reference purposes. + +=head2 Compiling Perl 5.6.x on MachTen + +To compile perl 5.6.x under MachTen 4.1.4 (and probably earlier versions): ./Configure -de make @@ -86,4 +113,4 @@ Dominic Dunlop =head1 DATE -Version 1.0.1 2000-03-27 +Version 1.1.0 2004-02-13 diff --git a/hints/machten.sh b/hints/machten.sh index 46fb144..cdca69a 100644 --- a/hints/machten.sh +++ b/hints/machten.sh @@ -1,7 +1,14 @@ #! /bin/bash # machten.sh # This is for MachTen 4.1.4. It might work on other versions and variants -# too. If it doesn't, tell me, and I'll try to fix it -- domo@computer.org +# too. MachTen is now obsolete, lacks many features expected in modern UNIX +# implementations, and suffers from a number of bugs which are likely never +# to be fixed. This means that, in the absence of extensive work on +# this file and on the perl source code, versions of perl later than 5.6.x +# cannot successfully be built on MachTen. This file enforces this +# restriction. Should you wish to port a later version of perl to MachTen, +# feel free to contact me for pointers. +# -- Dominic Dunlop 040213 # # Users of earlier MachTen versions might need a fixed tr from ftp.tenon.com. # This should be described in the MachTen release notes. @@ -15,6 +22,8 @@ # Martijn Koster # Richard Yeh # +# Prevent building of perls later than 5.6.x, stating why -- see above. +# -- Dominic Dunlop 040213 # Deny system's false claims to support mmap() and munmap(); note # also that Sys V IPC (re)disabled by jhi due to continuing inadequacy # -- Dominic Dunlop 001111 @@ -44,8 +53,21 @@ # Do not use perl's malloc; SysV IPC OK -- Neil Cutcliffe, Tenon 961030 # File::Find's use of link count disabled by Dominic Dunlop 960528 # Perl's use of sigsetjmp etc. disabled by Dominic Dunlop 960521 -# -# Comments, questions, and improvements welcome! + +# Assume that PERL_REVISON in patchlevel.h is 5. +# If you want to try building perl-5.8.x or later, set PERL_VERSION_SAFE_MAX +# appropriately in your environment before running Configure. +if [ `awk '$1=="#define" && $2=="PERL_VERSION"{print $3}' patchlevel.h` \ + -gt ${PERL_VERSION_SAFE_MAX:-6} ] +then + cat <&4 + +Perl versions greater than 5.6.x have not been ported to MachTen. If you +wish to build a version from the 5.6 track, please see the notes in +README.machten +EOF + exit 1 +fi # # MachTen 4.1.1's support for shadow password file access is incomplete: # disable its use completely. @@ -95,7 +117,7 @@ d_vfork=${d_vfork:-define} # Specify a high level of optimization (-O3 wouldn't do much more) optimize=${optimize:--O2 -fomit-frame-pointer} -# Make symbol table listings les voluminous +# Make symbol table listings less voluminous nmopts=-gp # Set reg_infty -- the maximum allowable number of repeats in regular