[experimental] Updated: readline-6.1.2-2, libreadline7-6.1.2-2
Eric Blake (cygwin)
Wed Jan 26 04:49:00 GMT 2011
A new release 6.1.2-2 for readline and libreadline7 is now available for
testing, replacing 6.1.2-1, and still leaving 6.0.3-2 as current.
This is a test release of a new upstream release. I'm working on
preparing bash 4.1 for cygwin, which requires a newer readline package;
this build uses libncursesw instead of libncurses (although there
probably isn't much difference in practice). Once I rebuild bash
against this library, I will be promoting this to current (the month
trial of the new readline and bash didn't turn up many complaints, so it
should be real soon now). Use of this update requires libgcc1 and
libncursesw10 (setup.exe doesn't make it easy to list different
dependencies for a test package than for the current package). See also
the upstream documentation in /usr/share/doc/readline/.
Be aware that an issue with offering libreadline as both a static and
dynamic library has been identified - some functions, such as
rl_function_of_keyseq, cannot work correctly with both library styles
without some additional __declspec decoration in the dynamic case. This
release caters to static compilation (and packages like bash that use
the problematic functions from dynamic readline have to add a minimal
workaround); it is possible that a future package will either be
dynamic-only, or that compiling against the static readline-6.0 will
require the declaration of a preprocessor macro, so that dynamic linking
works without requiring patches to every client.
The readline library will read a line from the terminal and return it,
allowing the user to edit the line with emacs or vi editing keys. It
also allows a history feature, for editing previous entries, making
command line interfaces easier-to-use and more intuitive.
libreadline7 provides the .dlls needed for readline and history
expansion for dynamic linking in other programs, including bash and gdb;
it is required for a minimal cygwin installation. The 7 in libreadline7
distinguishes incompatible API changes made to the prior libreadline5
and libreadline6 libraries still available on the mirrors. readline
provides the documentation and the static libraries required for static
linking; you should only need it if you plan on compiling an application
that links with -lreadline or -lhistory.
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
'libreadline7' from the 'Base' category (it should already be selected),
or 'readline' in the 'Devel' category. Since this is an experimental
release, you will need to use the 'Exp' radio button to get access to
this version. Be sure that you do not have any cygwin programs running
during the upgrade.
Note that downloads from 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 readline maintainer
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