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Diffstat (limited to 'contrib/perl5/hints/machten.sh')
| -rw-r--r-- | contrib/perl5/hints/machten.sh | 279 |
1 files changed, 0 insertions, 279 deletions
diff --git a/contrib/perl5/hints/machten.sh b/contrib/perl5/hints/machten.sh deleted file mode 100644 index 3a311a1..0000000 --- a/contrib/perl5/hints/machten.sh +++ /dev/null @@ -1,279 +0,0 @@ -#! /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 -# -# Users of earlier MachTen versions might need a fixed tr from ftp.tenon.com. -# This should be described in the MachTen release notes. -# -# MachTen 2.x has its own hint file. -# -# The original version of this file was put together by Andy Dougherty -# <doughera@lafcol.lafayette.edu> based on comments from lots of -# folks, especially -# Mark Pease <peasem@primenet.com> -# Martijn Koster <m.koster@webcrawler.com> -# Richard Yeh <rcyeh@cco.caltech.edu> -# -# 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 <domo@computer.org> 001111 -# Remove dynamic loading libraries from search; enable SysV IPC with -# MachTen 4.1.4 and above; define SYSTEM_ALIGN_BYTES for old MT versions -# -- Dominic Dunlop <domo@computer.org> 000224 -# Disable shadow password file access: MT 4.1.1 has necessary library -# functions, but not header file (or documentation) -# -- Dominic Dunlop <domo@computer.org> 990804 -# For now, explicitly disable dynamic loading -- MT 4.1.1 has it, -# but these hints do not yet support it. -# Define NOTEDEF_MACHTEN to undo gratuitous Tenon hack to signal.h. -# -- Dominic Dunlop <domo@computer.org> 9800802 -# Completely disable SysV IPC pending more complete support from Tenon -# -- Dominic Dunlop <domo@computer.org> 980712 -# Use vfork and perl's malloc by default -# -- Dominic Dunlop <domo@computer.org> 980630 -# Raise perl's stack size again; cut down reg_infty; document -# -- Dominic Dunlop <domo@computer.org> 980619 -# Use of semctl() can crash system: disable -- Dominic Dunlop 980506 -# Raise stack size further; slight tweaks to accomodate MT 4.1 -# -- Dominic Dunlop <domo@computer.org> 980211 -# Raise perl's stack size -- Dominic Dunlop <domo@tcp.ip.lu> 970922 -# Reinstate sigsetjmp iff version is 4.0.3 or greater; use nm -# (assumes Configure change); prune libswanted -- Dominic Dunlop 970113 -# Warn about test failure due to old Berkeley db -- Dominic Dunlop 970105 -# 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! -# -# MachTen 4.1.1's support for shadow password file access is incomplete: -# disable its use completely. -d_getspnam=${d_getspnam:-undef} - -# MachTen 4.1.1 does support dynamic loading, but perl doesn't -# know how to use it yet. -usedl=${usedl:-undef} - -# MachTen 4.1.1 may have an unhelpful hack in /usr/include/signal.h. -# Undo it if so. -if grep NOTDEF_MACHTEN /usr/include/signal.h > /dev/null -then - ccflags="$ccflags -DNOTDEF_MACHTEN" -fi - -# Power MachTen is a real memory system and its standard malloc -# has been optimized for this. Using this malloc instead of Perl's -# malloc may result in significant memory savings. In particular, -# unlike most UNIX memory allocation subsystems, MachTen's free() -# really does return unneeded process data memory to the system. -# However, MachTen's malloc() is woefully slow -- maybe 100 times -# slower than perl's own, so perl's own is usually the better -# choice. In order to use perl's malloc(), the sbrk() system call -# must be simulated using MachTen's malloc(). See malloc.c for -# precise details of how this is achieved. Recent improvements -# to perl's malloc() currently crash MachTen, and so are disabled -# by -DPLAIN_MALLOC and -DNO_FANCY_MALLOC. -usemymalloc=${usemymalloc:-y} - -# Older versions of MachTen malloc() data on a two-byte boundary, which -# works, but slows down operations on long, float and double data. -# Perl's malloc() can compensate if SYSTEM_ALLOC_ALIGNMENT is suitably -# defined. -if expr "$osvers" \< "4.1" >/dev/null -then -system_alloc_alignment=" -DSYSTEM_ALLOC_ALIGNMENT=2" -fi -# Do not wrap the following long line -malloc_cflags='ccflags="$ccflags -DPLAIN_MALLOC -DNO_FANCY_MALLOC -DUSE_PERL_SBRK$system_alloc_alignment"' - -# When MachTen does a fork(), it immediately copies the whole of -# the parent process' data space for the child. This can be -# expensive. Using vfork() where appropriate avoids this cost. -d_vfork=${d_vfork:-define} - -# Specify a high level of optimization (-O3 wouldn't do much more) -optimize=${optimize:--O2 -fomit-frame-pointer} - -# Make symbol table listings les voluminous -nmopts=-gp - -# Set reg_infty -- the maximum allowable number of repeats in regular -# expressions such as /a{1,$max_repeats}/, and the maximum number of -# times /a*/ will match. Setting this too high without having a stack -# large enough to accommodate deep recursion in the regular expression -# engine allows perl to crash your Mac due to stack overrun if it -# encounters a pathological regular expression. The default is a -# compromise between capability and required stack size (see below). -# You may override the default value from the Configure command-line -# like this: -# -# Configure -Dreg_infty=16368 ... - -reg_infty=${reg_infty:-2047} - -# If you want to have many perl processes active simultaneously -- -# processing CGI forms -- for example, you should opt for a small stack. -# For safety, you should set reg_infty no larger than the corresponding -# value given in this table: -# -# Stack size reg_infty value supported -# ---------- ------------------------- -# 128k 2**8-1 (256) -# 256k 2**9-1 (511) -# 512k 2**10-1 (1023) -# 1M 2**11-1 (2047) -# ... -# 16M 2**15-1 (32767) (perl's default value) - -# This script selects a safe stack size based on the value of reg_infty -# specified above. However, you may choose to take a risk and set -# stack size lower: pathological regular expressions are rare in real-world -# programs. But be aware that, if perl does encounter one, it WILL -# crash your system. Do not set stack size lower than 96k unless -# you want perl's installation tests ( make test ) to crash your system. -# -# You may override the default value from the Configure command-line -# by specifying the required size in kilobytes like this: -# -# Configure -Dstack_size=96 - -if [ "X$stack_size" = 'X' ] -then - stack_size=128 - X=`expr $reg_infty / 256` - - while [ $X -gt 0 ] - do - X=`expr $X / 2` - stack_size=`expr $stack_size \* 2` - done - X=`expr $stack_size \* 1024` -fi - -ldflags="$ldflags -Xlstack=$X" -ccflags="$ccflags -DREG_INFTY=$reg_infty" - -# Install in /usr/local by default -prefix='/usr/local' - -# At least on PowerMac, doubles must be aligned on 8 byte boundaries. -# I don't know if this is true for all MachTen systems, or how to -# determine this automatically. -alignbytes=8 - -# 4.0.2 and earlier had a problem with perl's use of sigsetjmp and -# friends. Use setjmp and friends instead. -expr "$osvers" \< "4.0.3" > /dev/null && d_sigsetjmp='undef' - -# System V IPC before MachTen 4.1.4 is incomplete (missing msg function -# prototypes, no ftok()), buggy (semctl(.., .., IPC_STATUS, ..) hangs -# system), and undocumented. Claim it's not there at all before 4.1.4. -if expr "$osvers" \< "4.1.4" >/dev/null -then -d_msg=${d_msg:-undef} -d_sem=${d_sem:-undef} -d_shm=${d_shm:-undef} -fi - - -# As of MachTen 4.1.4 the msg* and shm* are in libc but unimplemented -# (an attempt to use them causes a runtime error) -# XXX Configure probe for really functional msg*() is needed XXX -# XXX Configure probe for really functional shm*() is needed XXX -if test "$d_msg" = ""; then - d_msgget=${d_msgget:-undef} - d_msgctl=${d_msgctl:-undef} - d_msgsnd=${d_msgsnd:-undef} - d_msgrcv=${d_msgrcv:-undef} - case "$d_msgget$d_msgsnd$d_msgctl$d_msgrcv" in - *"undef"*) d_msg="$undef" ;; - esac -fi -if test "$d_shm" = ""; then - d_shmat=${d_shmat:-undef} - d_shmdt=${d_shmdt:-undef} - d_shmget=${d_shmget:-undef} - d_shmctl=${d_shmctl:-undef} - case "$d_shmat$d_shmctl$d_shmdt$d_shmget" in - *"undef"*) d_shm="$undef" ;; - esac -fi - -# MachTen has stubs for mmap and munmap(), but they just result in the -# caller being killed on the grounds of "Bad system call" -d_mmap=${d_mmap:-undef} -d_munmap=${d_munmap:-undef} - -# Get rid of some extra libs which it takes Configure a tediously -# long time never to find on MachTen, or which break perl -set `echo X "$libswanted "|sed -e 's/ net / /' -e 's/ socket / /' \ - -e 's/ inet / /' -e 's/ nsl / /' -e 's/ nm / /' -e 's/ malloc / /' \ - -e 's/ ld / /' -e 's/ sun / /' -e 's/ posix / /' \ - -e 's/ cposix / /' -e 's/ crypt / /' -e 's/ dl / /' -e 's/ dld / /' \ - -e 's/ ucb / /' -e 's/ bsd / /' -e 's/ BSD / /' -e 's/ PW / /'` -shift -libswanted="$*" - -# While link counts on MachTen 4.1's fast file systems work correctly, -# on Macintosh Heirarchical File Systems, (and on HFS+) -# MachTen always reports ony two links to directories, even if they -# contain subdirectories. Consequently, we use this variable to stop -# File::Find using the link count to determine whether there are -# subdirectories to be searched. This will generate a harmless message: -# Hmm...You had some extra variables I don't know about...I'll try to keep 'em. -# Propagating recommended variable dont_use_nlink -dont_use_nlink=define - -cat <<EOM >&4 - -During Configure, you may see the message - -*** WHOA THERE!!! *** - The recommended value for \$d_msg on this machine was "undef"! - Keep the recommended value? [y] - -as well as similar messages concerning \$d_sem and \$d_shm. Select the -default answers: MachTen 4.1 appears to provide System V IPC support, -but it is incomplete and buggy: perl should be built without it. -Similar considerations apply to memory mapping of files, controlled -by \$d_mmap and \$d_munmap. - -Similarly, when you see - -*** WHOA THERE!!! *** - The recommended value for \$d_vfork on this machine was "define"! - Keep the recommended value? [y] - -select the default answer: vfork() works, and avoids expensive data -copying. - -You may also see "WHOA THERE!!!" messages concerning \$d_getspnam. -Select the default answer: MachTen's support for shadow password -file access is incomplete, and should not be used. - -At the end of Configure, you will see a harmless message - -Hmm...You had some extra variables I don't know about...I'll try to keep 'em. - Propagating recommended variable dont_use_nlink - Propagating recommended variable nmopts - Propagating recommended variable malloc_cflags... - Propagating recommended variable reg_infty - Propagating recommended variable system_alloc_alignment -Read the File::Find documentation for more information about dont_use_nlink - -Your perl will be built with a stack size of ${stack_size}k and a regular -expression repeat count limit of $reg_infty. If you want alternative -values, see the file hints/machten.sh for advice on how to change them. - -Tests - io/fs test 4 and - op/stat test 3 -may fail since MachTen may not return a useful nlinks field to stat -on directories. - -EOM -expr "$osvers" \< "4.1" >/dev/null && test -r ./broken-db.msg && \ - . ./broken-db.msg - -unset stack_size X |
