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Date: Mon, 27 May 2013 13:26:53 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: [ANNOUNCEMENT] Updated: gawk-4.1.0-1
Message-Id: <announce.20130527112653.GD4653@calimero.vinschen.de>
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User-Agent: Mutt/1.5.21 (2010-09-15)

I've updated the gawk package to 4.1.0-1.

This is a new upstream release.  The Cygwin version is now linked against
MPFR and, as such, supports the -M flag and high precision arithmetic as
outlined in #2 below.

I've also updated the 64 bit gawk package in the 64 bit test distro.


Changes from 4.0.2 to 4.1.0
---------------------------

1. The three executables gawk, pgawk, and dgawk, have been merged into
   one, named just gawk.  As a result:
        * The -R option is gone
        * Use -D to run the debugger. An optional file argument is a
          list of commands to run first.
        * Use -o to do pretty-printing only.
        * Use -p to do profiling.
   This considerably reduces gawk's "footprint" and eases the documentation
   burden as well.

2. Gawk now supports high precision arithmetic with MPFR.  The default is
   still double precision, but setting PREC changes things, or using
   the -M / --bignum options.  This support is not compiled in if the MPFR
   library is not available.

3. The new -i option (from xgawk) is used for loading awk library files.
   This differs from -f in that the first non-option argument is treated
   as a script.

4. The new -l option (from xgawk) is used for loading dynamic extensions.

5. The dynamic extension interface has been completely redone!  There is
   now a defined API for C extensions to use.  A C extension acts like
   a function written in awk, except that it cannot do everything that awk
   code can. However, this allows interfacing to any facility that is
   available from C.  This is a major development, see the doc, which has
   a nice shiny new chapter describing everything.

   This support is not compiled in if dynamic loading of shared libraries
   is not supported.

   The old extension mechanism is still supported for compatiblity, but
   it will most definitely be removed at the next major release.

6. The "inplace" extension, built using the new facility, can be used to
   simulate the GNU "sed -i" feature.

7. The and(), or() and xor() functions now take any number of arguments,
   with a minimum of two.

8. New arrays: SYMTAB, FUNCTAB, and PROCINFO["identifiers"]. SYMTAB allows
   indirect access to any defined variable or array; it is possible to
   "walk" the symbol table, if that should be necessary.

9. Support for building gawk with a cross compiler has been improved.

10. Infrastructure upgrades: bison 2.7.1, gettext 0.18.2.1, automake 1.13.1,
    libtool 2.4.2 for the extensions.


To update your installation, click on the "Install Cygwin" link on the
http://cygwin.com web page. This downloads setup.exe to your system.
Then, run setup and answer all of the questions.

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-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                                cygwin AT cygwin DOT com
Red Hat, Inc.

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