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Message-Id:	<201105172146.p4HLkOoe018282@delorie.com>
From:	Juan Manuel Guerrero <juan DOT guerrero AT gmx DOT de>
To:	djgpp-announce AT delorie DOT com
Subject:	ANNOUNCE: DJGPP port of PCRE 8.12 uploaded.
Date:	Tue, 17 May 2011 23:16:54 +0200

This is a port of PCRE 8.12 to MSDOS/DJGPP.


  The PCRE library is a set of functions that implement regular expression
  pattern matching using the same syntax and semantics as Perl 5. PCRE has
  its own native API, as well as a set of wrapper functions that correspond
  to the POSIX regular expression API.



  DJGPP specific changes.
  =======================


  To configure and compile this port you will need an OS with LFN support.
  The products itself will even work on systems that have only SFN support.

  The usual stuff to configure the sources have been added.  As usual, it is
  stored together with the diffs file that documents my changes in the /djgpp
  directory.
  The port has been configured to support gzip and bzip2 compressed files.  The
  binaries will detect at runtime if LFN or SFN support is available.  If there
  is LFN support available then only the default extensions ".bz2" and ".gz"
  will be used and no other ones will be honored.  But if only SFN support is
  available, then also ".*bz" will be accepted as a valid bzip2 extension and
  in the case of gzip compressed files also ".*gz" and ".**z" will be accepted
  as valid extensions, where "*" always stands for any valid character.  If a
  file with a valid bzip2 or gzip extension can not be opened using the appro-
  priate compressor library functions, it will be treated as an uncopressed
  file and will be opened as a plain file.  Please note that all files are
  opened in binary mode and that neither the original code nor this port offers
  any way to change this behaviour.

  The library can be configured to accept different EOL characters.  I have
  choosen to configure this port using the option to enable any EOL characters.
  This means that CR, LF and CRLF will be recognized as valid EOL character.

  If you do not like this, you will have to reconfigure and recompile the port
  passing the option you prefer to config.bat.  The following command line
  options are available:
    cr: enables CR as EOL
    lf: enables LF as EOL
    crlf: enables CRLF as EOL
    any-crlf: enables CR, LF and CRLF as EOL
  Also the following command line options are available to disable any of the
  EOL characters:
    no-cr: disables CR as EOL
    no-lf: disables LF as EOL
    no-crlf: disables CRLF as EOL
    no-any-crlf: disables CR, LF and CRLF as EOL
  Enabling one of them disables all of the other ones.  This concerns only the
  library.  The EOL character used by pcregrep can always be controlled with
  the -N command line option.  Please note that this choice has the consequence
  that if you have a string looking like this:
    foo\r\nbar
  PCRE library and pcregrep.exe will find 2 EOLs.  One for \r and one for \n.
  In other words the following two sequences "CRCRLF" and "LFCRLF" will always
  produce two EOL matches.  The "CRCRLF" sequence will produce one match for
  the first CR and a second one for the following CRLF.  The "LFCRLF" sequence
  will produce a match for the first LF and a second match for the following
  CRLF.  Please note that this behaviour differs from the DJGPP's port of grep.
  It was not my intention to modify the PCRE code in such a drastic way to be
  able to emulation DJGPP's grep behaviour.  pcregrep.exe also offers color
  support without having to install an ansi.sys driver.  Please also note that
  I have not configured the port to support neither UTF-8 Unicode character
  strings nor any UTF-8 EOL character sequence.

  The pcretest.exe binary will not support the -S command line option that
  allows to change the program stack.  This is because DJGPP's setrlimit does
  not support this feature.  The port has been configure to use the readline
  and history libraries.  If you do not like this you will have to reconfigure
  the sources passing the "no-rl" command line option to config.bat.
  The default is always that readline is used.

  The port passes the test suite except for the last test.  This test is
  completely UNIX or LF centric and does not work well with any other EOL
  encoding than the one used on posix systems.  This is known by the author
  and maintainer of PCRE library and I have no plans to write a CRLF specific
  test case for the DJGPP port.

  Certain man and html pages have been renamed to fit into the SFN limits.
  The index.html has been adjusted accordingly.

  As told before, to configure and compile the package you will have to install
  the following packages too:
    ftp://ftp.delorie.com/pub/djgpp/current/v2gnu/rdln62b.zip
    ftp://ftp.delorie.com/pub/djgpp/current/v2tk/zlib125b.zip
    ftp://ftp.delorie.com/pub/djgpp/current/v2tk/bz2-106a.zip
  or:
    ftp://ftp.delorie.com/pub/djgpp/beta/v2gnu/rdln62b.zip
    ftp://ftp.delorie.com/pub/djgpp/beta/v2tk/zlib125b.zip
    ftp://ftp.delorie.com/pub/djgpp/beta/v2tk/bz2-106a.zip
  Of course, you can always download newer versions of these ports if available.
  The files stored in /current have been compiled with djdev203 and the ones
  from /beta are compiled with djdev204 beta.


  Please read the docs.  There are no info formated docs.  All the extensive
  documentation is html formated and placed in /share/doc/pcre/html



  The port has been compiled using stock djdev203 (patchlevel 2) and consists
  of the two packages that can be downloaded from ftp.delorie.com and mirrors
  as (timestamp 2011-02-20):

    PCRE 8.12 binaries, headers, libs and man formated documentation:
    ftp://ftp.delorie.com/pub/djgpp/current/v2tk/pcre812b.zip

    PCRE 8.12 source:
    ftp://ftp.delorie.com/pub/djgpp/current/v2tk/pcre812s.zip


  The binaries have been produced a second time using the stock version of
  djdev204 beta library.  This package is available at ftp.delorie.com and
  mirrors as (timestamp 2011-02-20):

    PCRE 8.12 binaries, headers, libs and man formated documentation:
    ftp://ftp.delorie.com/pub/djgpp/beta/v2tk/pcre812b.zip



  Send PCRE specific bug reports to <pcre-dev AT exim DOT org>.
  Send suggestions and bug reports concerning the DJGPP port to
  comp.os.msdos.djgpp or <djgpp AT delorie DOT com>.

Enjoy.

      Guerrero, Juan Manuel <juan DOT guerrero AT gmx DOT de>

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