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For 1.7.2.

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Marius Vollmer 2005-03-09 22:15:57 +00:00
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60
ANNOUNCE
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We are pleased to announce the release of Guile 1.7.1. This is a
We are pleased to announce the release of Guile 1.7.2. This is a
'technology preview' for the upcoming Guile 1.8. It can be found
here:
ftp://alpha.gnu.org/gnu/guile/guile-1.7.1.tar.gz
ftp://alpha.gnu.org/gnu/guile/guile-1.7.2.tar.gz
Its MD5 checksum is
21c9f4061166900d2926955ade0ef5cc guile-1.7.1.tar.gz
XXX guile-1.7.2.tar.gz
This version is guaranteed to contain serious bugs, and the publically
visible interfaces will almost certainly change before 1.8 is
released. The 1.7 releases might be termed "selected snapshots".
We are releasing it anyway to start testing the new features, and to
get feedback about how difficult or tedious it is to switch from Guile
1.6 to this series.
Specifically, libguile has not yet been reviewed for thread-safeness.
Ideally, you should be able to just link your program with Guile 1.7.1
instead of with Guile 1.6.x. You will get many warnings about
deprecated features, but your program should nevertheless run
correctly. If you find that this is not the case (which is quite
likely) please do not change your program yet. Instead, report the
problem to <bug-guile@gnu.org>.
We are releasing it anyway to start testing the new features, and to
get feedback about how well Guile actually behaves in a multi-threaded
setting.
The shared library major versions have been bumped compared to the 1.6
series, but they will not be bumped on binary incompatible changes
within the 1.7 series.
The NEWS file is quite long. Here are the most spectacular entries in
a condensed form:
The NEWS file is quite long. Here are the most interesting entries:
Changes since the 1.6.x series:
Changes since 1.7.1:
- Guile is now licensed with the GNU Lesser General Public License.
* There is a new way to initalize Guile that allows one to use Guile
from threads that have not been created by Guile.
- The manual is now licensed with the GNU Free Documentation License.
* Mutexes and condition variables are now always fair. A recursive
mutex must be requested explicitely.
- We now use GNU MP for bignums.
* The low-level thread API has been removed.
- We now use native POSIX threads for real concurrent threads.
* There is a new way to access all kinds of vectors and arrays from
C that is efficient and thread-safe.
- There is now support for copy-on-write substrings and
mutation-sharing substrings.
- We now have exact rationals, such as 1/3.
- A new family of functions for converting between C values and
Scheme values has been added that is future-proof and thread-safe.
- The INUM macros like SCM_MAKINUM have been deprecated.
- The macros SCM_STRINGP, SCM_STRING_CHARS, SCM_STRING_LENGTH,
SCM_SYMBOL_CHARS, and SCM_SYMBOL_LENGTH have been deprecated.
- There is a new way to deal with non-local exits and re-entries in
C code, which is nicer than scm_internal_dynamic_wind.
- There are new malloc-like functions that work better than
scm_must_malloc, etc.
and most importantly
- call-with-current-continuation is now also available under the name
call/cc.
* The concept of dynamic roots has been factored into continuation
barriers and dynamic states.
See NEWS and the manual for more details.