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Mail Archives: djgpp/2013/06/02/14:05:15

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Message-Id: <201306021804.r52I4YYx017407@delorie.com>
Date: Sun, 02 Jun 2013 16:49:13 +0200
From: Juan Manuel Guerrero <juan DOT guerrero AT gmx DOT de>
To: djgpp-announce AT delorie DOT com
Subject: ANNOUNCE: Release 2 of the DJGPP port of GNU diffutils 3.3 uploaded.
Reply-To: djgpp AT delorie DOT com

This is a port of GNU diffutils version 3.3 to MSDOS/DJGPP.

   Diffutils are a collection of programs for finding differences
   between files:

     * diff  -- displays differences between 2 files line by line;

     * diff3 -- displays differences between 3 files (usually, 2 files
                and their common ancestor);

     * sdiff -- displays differences between 2 files side by side, and
                allows to merge between them interactively;

     * cmp   -- displays differences between 2 binary files byte by byte.

   The documentation of the package includes, in addition to the four
   programs mentioned above, also the manual for the Patch utility.


   This release fixes an issue concerning the assertions used in 
diffutils code.
   For a reason still unclear to me, when the code is compiled the 
NDEBUG macro
   is never set so all assertions are enabled.  The DJGPP 2.04 port version
   supports symlinks.  If the option --no-dereference is used then the 
symlinks
   are compared as ordinary files.  If the option is omitted, the files 
referenced
   by the links will be compared instead.  If the links are brocken, and the
   assertions are not disabled by defining NDEBUG, the diff program 
aborts with
   SIGABRT issuing the usual stack trace.  This behaviour may be usefull 
during
   code development but not when using the program.  With the assertion 
disabled
   an error message is printed and normal operation continues.  The 
DJGPP 2.03
   version of the port does not support symlinks so this is not an issue 
there.
   If for some reason you want to reenable the assertions, remove the NDEBUG
   definition in /djgpp/config_h.sed and configure and compile the 
sources again.



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

   - There are no DJGPP specific user visible changes compared with the last
     port.
   - The most notable change of the FSF distribution is that the DJGPP 
support
     has been dropped in favour of cygwin and MinGW support.
   - This port will detect at run time if it is running on an OS with 
LFN support
     or not and choose the appropriate temp file name pattern accordingly.
     E.g.: "sdiffXXXXXX" if LFN support is available, else "dfXXXXXX" 
will be
     used.
   - This port will honor also the DOS specific environment variable 
TEMP and
     TMP if TMPDIR is not set.  If neither is accessible then P_tmpdir will
     define the location to store temp files.  If this directory also 
does not
     exist then the current working directory will be used.
   - All other changes are those required to get gnulib sources compiled 
with
     djgpp and are not user visible.

   - To be able to build this port you will need to have LFN support.

   As usual, all djgpp specific files (config.bat, diffs, README files, 
etc.)
   are located in the /djgpp directory.

   The source package is now distributed configured for both DJGPP 2.03 and
   DJGPP 2.04.  In the top srcdir there is a "_build.203" directory and a
   "_build.204" directory.

   For further information about GNU diffutils please read the info docs and
   NEWS file.


   Here is an extract of the NEWS file showing the user visible changes from
   the last port (GNU diffutils 3.2) to this one:

* Noteworthy changes in release 3.3 (2013-03-24) [stable]

** New features

   --new-file (-N) and --unidirectional-new-file now allow comparisons 
to "-".
   A standard input that's closed acts like a nonexistent file.

   A file name containing spaces, double quotes, backslashes or control
   characters is now encoded in a diff header as a double-quoted C string
   literal.  The escape sequences \\, \", \a, \b, \f, \n, \r, \t, \v and
   \ooo (a three-digit octal number between 0 and 255) are used.

** Packaging

   diffutils is now designed to build with Cygwin or MinGW rather than 
DJGPP.
   The ms subdirectory has been removed.

----------------------------------------------------------------------------




   The port has been compiled using stock djdev203 (patchlevel 2) and 
consists
   of the usual three packages that can be downloaded from 
ftp.delorie.com and
   mirrors as (time stamp 2013-06-02):

     Diffutils 3.3 binary, info and man format documentation:
     ftp://ftp.delorie.com/pub/djgpp/current/v2gnu/dif33br2.zip

     Diffutils 3.3 dvi, html and ps format documentation:
     ftp://ftp.delorie.com/pub/djgpp/current/v2gnu/dif33dr2.zip

     Diffutils 3.3 source:
     ftp://ftp.delorie.com/pub/djgpp/current/v2gnu/dif33sr2.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 (time stamp 2013-06-02):

     Diffutils 3.3 binary, info and man format documentation:
     ftp://ftp.delorie.com/pub/djgpp/beta/v2gnu/dif33br2.zip


   Send Diffutils specific bug reports to <bug-diffutils AT gnu 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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