[ANNOUNCEMENT] Updated: m4-1.4.7-1
Tue Sep 26 03:00:00 GMT 2006
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A new release of m4, 1.4.7-1, is available, replacing 1.4.6-1 as current.
This is a new upstream release. From the NEWS file, the changes since
1.4.6 are listed below. See also /usr/share/doc/m4-1.4.7/.
You must rebuild from source if you want the experimental changeword
feature enabled, as using it can slow down normal operation, and since it
will disappear from the eventual m4 2.0.
m4 is an implementation of the traditional Unix macro processor. It is
mostly SVR4 compatible although it has some extensions (for example,
handling more than 9 positional parameters to macros). GNU m4 also has
built-in functions for including files, running shell commands, doing
To update your installation, click on the "Install Cygwin now" link on the
http://cygwin.com/ web page. This downloads setup.exe to your system.
Save it and run setup, answer the questions and pick up 'm4' from the
Note that downloads from sources.redhat.com (aka cygwin.com) aren't
allowed due to bandwidth limitations. This means that you will need to
find a mirror which has this update, please choose the one nearest to you:
If you want to make a point or ask a question the Cygwin mailing list is
the appropriate place.
volunteer cygwin m4 maintainer
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NEWS file extract:
Version 1.4.7 - 25 September 2006, by Eric Blake (CVS version 1.4.6a)
* Fix regression from 1.4.5 in handling a file that ends in a macro
expansion without arguments instead of a newline.
* The define and pushdef macros now warn when the first argument is not
a string, rather than silently doing nothing.
* Standard input can now be read more than once, as in 'm4 - file -', and
is not closed until all wrapped text is handled. This makes a
difference when stdin is not a regular file, and also fixes bugs when
using the syscmd or esyscmd macros from wrapped text.
* When standard input is a seekable file, the m4exit, syscmd, and esyscmd
macros now restore the current position to the next unread byte rather
than discarding an arbitrary amount of buffered data.
* SysV command-line compatibility is no longer a goal of GNU M4; the
focus will be instead on POSIX compatibility. This release continues to
support previous usage, but adds warnings in areas which will allow a
future version of GNU M4 to use its own extensions without being tied to
the SysV command line interface.
* The no-op compatibility command line options -B, -N, -S, -T, and
--diversions may be withdrawn or assigned new meanings in future
releases, so they now issue a warning if used.
* A new command line option -i replaces the compatibility -e as the
short spelling of --interactive, for consistency with other GNU tools; a
warning is issued if the old spelling is used, and it may be assigned
new meaning in future releases.
* A new command line option --debugfile replaces the options -o and
--error-output as the preferred spelling. The old options were
misleading in their names and inconsistent with other GNU tools; they
are still silently accepted, but no longer documented in --help, and may
be assigned new meanings in future releases.
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