perllinux(1) [x11r4 man page]

PERLLINUX(1)						 Perl Programmers Reference Guide					      PERLLINUX(1)

NAME

       README.linux - Perl version 5 on Linux systems

DESCRIPTION

       This document describes various features of Linux that will affect how Perl version 5 (hereafter just Perl) is compiled and/or runs.

       Experimental Support for Sun Studio Compilers for Linux OS

       Sun Microsystems has released a port of their Sun Studio compiliers for Linux.  As of November 2005, only an alpha version has been
       released.  Until a release of these compilers is made, support for compiling Perl with these compiler experimental.

       Also, some special instructions for building Perl with Sun Studio on Linux.  Following the normal "Configure", you have to run make as fol-
       lows:

	   LDLOADLIBS=-lc make

       "LDLOADLIBS" is an environment variable used by the linker to link modules "/ext" modules to glibc.  Currently, that environment variable
       is not getting populated by a combination of "Config" entries and "ExtUtil::MakeMaker".	While there may be a bug somewhere in Perl's con-
       figuration or "ExtUtil::MakeMaker" causing the problem, the most likely cause is an incomplete understanding of Sun Studio by this author.
       Further investigation is needed to get this working better.

AUTHOR

       Steve Peters <steve@fisharerojo.org>

       Please report any errors, updates, or suggestions to perlbug@perl.org.

perl v5.8.9							    2007-11-17							      PERLLINUX(1)

PERLFREEBSD(1)						 Perl Programmers Reference Guide					    PERLFREEBSD(1)

NAME

       README.freebsd - Perl version 5 on FreeBSD systems

DESCRIPTION

       This document describes various features of FreeBSD that will affect how Perl version 5 (hereafter just Perl) is compiled and/or runs.

       FreeBSD core dumps from readdir_r with ithreads

       When perl is configured to use ithreads, it will use re-entrant library calls in preference to non-re-entrant versions.	There is a bug in
       FreeBSD's "readdir_r" function in versions 4.5 and earlier that can cause a SEGV when reading large directories. A patch for FreeBSD libc
       is available (see http://www.freebsd.org/cgi/query-pr.cgi?pr=misc/30631 ) which has been integrated into FreeBSD 4.6.

       $^X doesn't always contain a full path in FreeBSD

       perl 5.8.0 sets $^X where possible to a full path by asking the operating system. On FreeBSD the full path of the perl interpreter is found
       by reading the symlink /proc/curproc/file. There is a bug on FreeBSD, where the result of reading this symlink is can be wrong in certain
       circumstances (see http://www.freebsd.org/cgi/query-pr.cgi?pr=35703 ).  In these cases perl will fall back to the old behaviour of using
       C's argv[0] value for $^X.

       Perl will no longer be part of "base FreeBSD"

       Not as bad as it sounds--what this means is that Perl will no longer be part of the kernel build system of FreeBSD.  Perl will still very
       probably be part of the "default install", and in any case the latest version will be in the ports system.  The first FreeBSD version this
       change will affect is 5.0, all 4.n versions will keep the status quo.

AUTHOR

       Nicholas Clark <nick@ccl4.org>, collating wisdom supplied by Slaven Rezic and Tim Bunce.

       Please report any errors, updates, or suggestions to perlbug@perl.org.

perl v5.8.9							    2007-11-17							    PERLFREEBSD(1)