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* GNU Guile 2.0.10 released
@ 2014-03-17 23:11 Ludovic Courtès
  2014-03-18 20:56 ` Andy Wingo
  0 siblings, 1 reply; 16+ messages in thread
From: Ludovic Courtès @ 2014-03-17 23:11 UTC (permalink / raw)
  To: guile-user, guile-devel, guile-sources, info-gnu

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We are pleased to announce GNU Guile release 2.0.10, the next maintenance
release for the 2.0.x stable series.

This release contains 253 commits by 11 people over 11 months.

The Guile web page is located at http://gnu.org/software/guile/ .

Guile is an implementation of the Scheme programming language, with
support for many SRFIs, packaged for use in a wide variety of
environments.  In addition to implementing the R5RS Scheme standard and
a large subset of R6RS, Guile includes a module system, full access to
POSIX system calls, networking support, multiple threads, dynamic
linking, a foreign function call interface, and powerful string
processing.

Guile can run interactively, as a script interpreter, and as a Scheme
compiler to VM bytecode suitable for stand-alone applications.  It is
also packaged as a library so that applications can easily incorporate a
complete Scheme interpreter/VM.  An application can use Guile as an
extension language, a clean and powerful configuration language, or as
multi-purpose "glue" to connect primitives provided by the application.

========================================================================
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This release was bootstrapped with the following tools:
  Autoconf 2.69
  Automake 1.14
  Libtool 2.4.2
  Makeinfo 5.2
  Gnulib v0.1-92-g546ff82


========================================================================
This release provides new interfaces, many bug fixes, and performance
improvements.  Here are the highlights, taken from the `NEWS' file:

  Changes in 2.0.10 (since 2.0.9):

  * Notable changes

  ** New GDB extension to support Guile

  Guile now comes with an extension for GDB 7.8 or later (unreleased at
  the time of writing) that simplifies debugging of C code that uses
  Guile.  See "GDB Support" in the manual.

  ** Improved integration between R6RS and native Guile exceptions

  R6RS exception handlers, established using 'with-exception-handler' or
  'guard', are now able to catch native Guile exceptions, which are
  automatically converted into appropriate R6RS condition objects.

  ** Support for HTTP proxies

  Guile's built-in web client now honors the 'http_proxy' environment
  variable, as well as the new 'current-http-proxy' parameter.  See
  "Web Client" in the manual for details.

  ** Lexical syntax improvements

  *** Support |...| symbol notation.

  Guile's core reader and printer now support the R7RS |...| notation
  for writing symbols with arbitrary characters, as a more portable and
  attractive alternative to Guile's native #{...}# notation.  To enable
  this notation by default, put one or both of the following in your
  ~/.guile:

    (read-enable  'r7rs-symbols)
    (print-enable 'r7rs-symbols)

  *** Support '#true' and '#false' notation for booleans.

  The booleans '#t' and '#f' may now be written as '#true' and '#false'
  for improved readability, per R7RS.

  *** Recognize '#\escape' character name.

  The escape character '#\esc' may now be written as '#\escape', per R7RS.

  *** Accept "\|" in string literals.

  The pipe character may now be preceded by a backslash, per R7RS.

  ** Custom binary input ports now support 'setvbuf'.

  Until now, ports returned by 'make-custom-binary-input-port' were always
  full-buffered.  Now, their buffering mode can be changed using 'setvbuf'.

  ** SRFI-4 predicates and length accessors no longer accept arrays.

  Given that the SRFI-4 accessors don't work for arrays, the fact that the
  predicates and length accessors returned true for arrays was a bug.

  ** GUILE_PROGS now supports specifying a minimum required version.

  The 'GUILE_PROGS' autoconf macro in guile.m4 now allows an optional
  argument to specify a minimum required Guile version.  By default, it
  requires Guile >= 2.0.  A micro version can also be specified, e.g.:
  GUILE_PROGS([2.0.10])

  ** Error reporting improvements

  *** Improved run-time error reporting in (ice-9 match).

  If no pattern matches in a 'match' form, the datum that failed to match
  is printed along with the location of the failed 'match' invocation.

  *** Print the faulty object upon invalid-keyword errors.
  *** Improved error reporting of procedures defined by define-inlinable.
  *** Improved error reporting for misplaced ellipses in macro definitions.
  *** Improved error checking in 'define-public' and 'module-add!'.
  *** Improved error when 'include' form with relative path is not in a file.

  ** Speed improvements

  *** 'scm_c_read' on ISO-8859-1 (e.g. binary) unbuffered ports is faster.
  *** New inline asm for VM fixnum multiply, for faster overflow checking.
  *** New inline asm for VM fixnum operations on ARM and 32-bit x86.
  *** 'positive?' and 'negative?' are now compiled to VM primitives.
  *** Numerical comparisons with more than 2 arguments are compiled to VM code.
  *** Several R6RS bitwise operators have been optimized.

  ** Miscellaneous

  *** Web: 'content-disposition' headers are now supported.
  *** Web: 'uri-encode' hexadecimal percent-encoding is now uppercase.
  *** Size argument to 'make-doubly-weak-hash-table' is now optional.
  *** Timeout for 'unlock-mutex' and SRFI-18 'mutex-unlock!' may now be #f.

  ** Gnulib update

  Guile's copy of Gnulib was updated to v0.1-92-g546ff82.  The following
  modules were imported from Gnulib: copysign, fsync, isfinite, link,
  lstat, mkdir, mkstemp, readlink, rename, rmdir, and unistd.

  * New interfaces

  ** Cooperative REPL servers

  This new facility supports REPLs that run at specified times within an
  existing thread, for example in programs utilizing an event loop or in
  single-threaded programs.  This allows for safe access and mutation of
  a program's data structures from the REPL without concern for thread
  synchronization.  See "Cooperative REPL Servers" in the manual for
  details.

  ** SRFI-43 (Vector Library)

  Guile now includes SRFI-43, a comprehensive library of vector operations
  analogous to the SRFI-1 list library.  See "SRFI-43" in the manual for
  details.

  ** SRFI-64 (A Scheme API for test suites)

  Guile now includes SRFI-64, a flexible framework for creating test
  suites.  The reference implementation of SRFI-64 has also been updated
  to fully support earlier versions of Guile.

  ** SRFI-111 (Boxes)

  See "SRFI-111" in the manual.

  ** 'define-values'

  See "Binding multiple return values" in the manual.

  ** Custom ellipsis identifiers using 'with-ellipsis' or SRFI-46.

  Guile now allows macro definitions to use identifiers other than '...'
  as the ellipsis.  This is convenient when writing macros that generate
  macro definitions.  The desired ellipsis identifier can be given as the
  first operand to 'syntax-rules', as specified in SRFI-46 and R7RS, or by
  using the new 'with-ellipsis' special form in procedural macros.  With
  this addition, Guile now fully supports SRFI-46.

  See "Specifying a Custom Ellipsis Identifier" and "Custom Ellipsis
  Identifiers for syntax-case Macros" in the manual for details.

  ** R7RS 'syntax-error'

  Guile now supports 'syntax-error', as specified by R7RS, allowing for
  improved compile-time error reporting from 'syntax-rules' macros.  See
  "Reporting Syntax Errors in Macros" in the manual for details.

  ** New procedures to convert association lists into hash tables

  Guile now includes the convenience procedures 'alist->hash-table',
  'alist->hashq-table', 'alist->hashv-table', and 'alist->hashx-table'.
  See "Hash Table Reference" in the manual.

  ** New predicates: 'exact-integer?' and 'scm_is_exact_integer'

  See "Integers" in the manual.

  ** 'weak-vector-length', 'weak-vector-ref', and 'weak-vector-set!'

  These should now be used to access weak vectors, instead of
  'vector-length', 'vector-ref', and 'vector-set!'.

  * Manual updates

  ** Improve docs for 'eval-when'.

  Each 'eval-when' condition is now explained in detail, including
  'expand' which was previously undocumented.  (expand load eval) is now
  the recommended set of conditions, instead of (compile load eval).
  See "Eval When" in the manual, for details.

  ** Update the section on SMOBs and memory management.

  See "Defining New Types (Smobs)" in the manual.

  ** Fixes

  *** GOOPS: #:dsupers is the init keyword for the dsupers slot.
  *** 'unfold-right' takes a tail, not a tail generator.
  *** Clarify that 'append!' and 'reverse!' might not mutate.
  *** Fix doc that incorrectly claimed (integer? +inf.0) => #t.
      (http://bugs.gnu.org/16356)
  *** Document that we support SRFI-62 (S-expression comments).
  *** Document that we support SRFI-87 (=> in case clauses).
  *** Document 'equal?' in the list of R6RS incompatibilities.
  *** Remove outdated documentation of LTDL_LIBRARY_PATH.
  *** Fix 'weak-vector?' doc: Weak hash tables are not weak vectors.
  *** Fix 'my-or' examples to use let-bound variable.
      (http://bugs.gnu.org/14203)

  * New deprecations

  ** General 'uniform-vector' interface

  This interface lacked both generality and specificity.  The general
  replacements are 'array-length', 'array-ref', and friends on the scheme
  side, and the array handle interface on the C side.  On the specific
  side of things, there are the specific bytevector, SRFI-4, and bitvector
  interfaces.

  ** Use of the vector interface on arrays
  ** 'vector-length', 'vector-ref', and 'vector-set!' on weak vectors
  ** 'vector-length', 'vector-ref', and 'vector-set!' as primitive-generics

  Making the vector interface operate only on a single representation will
  allow future versions of Guile to compile loops involving vectors to
  more efficient native code.

  ** 'htons', 'htonl', 'ntohs', 'ntohl'

  These procedures, like their C counterpart, were used to convert numbers
  to/from network byte order, typically in conjunction with the
  now-deprecated uniform vector API.

  This functionality is now covered by the bytevector and binary I/O APIs.
  See "Interpreting Bytevector Contents as Integers" in the manual.

  ** 'gc-live-object-stats'

  It hasn't worked in the whole 2.0 series.  There is no replacement,
  unfortunately.

  ** 'scm_c_program_source'

  This internal VM function was not meant to be public.  Use
  'scm_procedure_source' instead.

  * Build fixes

  ** Fix build with Clang 3.4.

  ** MinGW build fixes
  *** Do not add $(EXEEXT) to guild or guile-tools.
  *** tests: Use double quotes around shell arguments, for Windows.
  *** tests: Don't rely on $TMPDIR and /tmp on Windows.
  *** tests: Skip FFI tests that use `qsort' when it's not accessible.
  *** tests: Remove symlink only when it exists.
  *** tests: Don't rely on `scm_call_2' being visible.

  ** Fix computation of LIBLOBJS so dependencies work properly.
     (http://bugs.gnu.org/14193)

  * Bug fixes

  ** Web: Fix web client with methods other than GET.
     (http://bugs.gnu.org/15908)
  ** Web: Add Content-Length header for empty bodies.
  ** Web: Accept "UTC" as the zone offset in date headers.
     (http://bugs.gnu.org/14128)
  ** Web: Don't throw if a response is longer than its Content-Length says.
  ** Web: Write out HTTP Basic auth headers correctly.
     (http://bugs.gnu.org/14370)
  ** Web: Always print a path component in 'write-request-line'.
  ** Fix 'define-public' from (ice-9 curried-definitions).
  ** psyntax: toplevel variable definitions discard previous syntactic binding.
     (http://bugs.gnu.org/11988)
  ** Fix thread-unsafe lazy initializations.
  ** Make (ice-9 popen) thread-safe.
     (http://bugs.gnu.org/15683)
  ** Make guardians thread-safe.
  ** Make regexp_exec thread-safe.
     (http://bugs.gnu.org/14404)
  ** vm: Gracefully handle stack overflows.
     (http://bugs.gnu.org/15065)
  ** Fix 'rationalize'.
     (http://bugs.gnu.org/14905)
  ** Fix inline asm for VM fixnum operations on x32.
  ** Fix 'SCM_SYSCALL' to really swallow EINTR.
  ** Hide EINTR returns from 'accept'.
  ** SRFI-19: Update the table of leap seconds.
  ** Add missing files to the test-suite Makefile.
  ** Make sure 'ftw' allows directory traversal when running as root.
  ** Fix 'hash-for-each' for weak hash tables.
  ** SRFI-18: Export 'current-thread'.
     (http://bugs.gnu.org/16890)
  ** Fix inlining of tail list to apply.
     (http://bugs.gnu.org/15533)
  ** Fix bug in remqueue in threads.c when removing last element.
  ** Fix build when '>>' on negative integers is not arithmetic.
  ** Fix 'bitwise-bit-count' for negative arguments.
     (http://bugs.gnu.org/14864)
  ** Fix VM 'ash' for right shifts by large amounts.
     (http://bugs.gnu.org/14864)
  ** Fix rounding in scm_i_divide2double for negative arguments.
  ** Avoid lossy conversion from inum to double in numerical comparisons.
  ** Fix numerical comparison of fractions to infinities.
  ** Allow fl+ and fl* to accept zero arguments.
     (http://bugs.gnu.org/14869)
  ** flonum? returns false for complex number objects.
     (http://bugs.gnu.org/14866)
  ** flfinite? applied to a NaN returns false.
     (http://bugs.gnu.org/14868)
  ** Flonum operations always return flonums.
     (http://bugs.gnu.org/14871)
  ** min and max: NaNs beat infinities, per R6RS errata.
     (http://bugs.gnu.org/14865)
  ** Fix 'fxbit-count' for negative arguments.
  ** 'gcd' and 'lcm' support inexact integer arguments.
     (http://bugs.gnu.org/14870)
  ** Fix R6RS 'fixnum-width'.
     (http://bugs.gnu.org/14879)
  ** tests: Use shell constructs that /bin/sh on Solaris 10 can understand.
     (http://bugs.gnu.org/14042)
  ** Fix display of symbols containing backslashes.
     (http://bugs.gnu.org/15033)
  ** Fix truncated-print for uniform vectors.
  ** Define `AF_UNIX' only when Unix-domain sockets are supported.
  ** Decompiler: fix handling of empty 'case-lambda' expressions.
  ** Fix handling of signed zeroes and infinities in 'numerator' and 'denominator'.
  ** dereference-pointer: check for null pointer.
  ** Optimizer: Numerical comparisons are not negatable, for correct NaN handling.
  ** Compiler: Evaluate '-' and '/' in left-to-right order.
     (for more robust floating-point arithmetic)
  ** snarf.h: Declare static const function name vars as SCM_UNUSED.
  ** chars.c: Remove duplicate 'const' specifiers.
  ** Modify SCM_UNPACK type check to avoid warnings in clang.
  ** Arrange so that 'file-encoding' does not truncate the encoding name.
     (http://bugs.gnu.org/16463)
  ** Improve error checking in bytevector->uint-list and bytevector->sint-list.
     (http://bugs.gnu.org/15100)
  ** Fix (ash -1 SCM_I_FIXNUM_BIT-1) to return a fixnum instead of a bignum.
  ** i18n: Fix null pointer dereference when locale info is missing.
  ** Fix 'string-copy!' to work properly with overlapping src/dest.
  ** Fix hashing of vectors to run in bounded time.
  ** 'port-position' works on CBIPs that do not support 'set-port-position!'.
  ** Custom binary input ports sanity-check the return value of 'read!'.
  ** bdw-gc.h: Check SCM_USE_PTHREAD_THREADS using #if not #ifdef.
  ** REPL Server: Don't establish a SIGINT handler.
  ** REPL Server: Redirect warnings to client socket.
  ** REPL Server: Improve robustness of 'stop-server-and-clients!'.
  ** Add srfi-16, srfi-30, srfi-46, srfi-62, srfi-87 to %cond-expand-features.
  ** Fix trap handlers to handle applicable structs.
     (http://bugs.gnu.org/15691)
  ** Fix optional end argument in `uniform-vector-read!'.
     (http://bugs.gnu.org/15370)
  ** Fix brainfuck->scheme compiler.
  ** texinfo: Fix newline preservation in @example with lines beginning with @

  ** C standards conformance improvements

  Improvements and bug fixes were made to the C part of Guile's run-time
  support (libguile).

  *** Don't use the identifier 'noreturn'.
      (http://bugs.gnu.org/15798)
  *** Rewrite SCM_I_INUM to avoid unspecified behavior when not using GNU C.
  *** Improve fallback implemention of SCM_SRS to avoid unspecified behavior.
  *** SRFI-60: Reimplement 'rotate-bit-field' on inums to be more portable.
  *** Improve compliance with C standards regarding signed integer shifts.
  *** Avoid signed overflow in random.c.
  *** VM: Avoid signed overflows in 'add1' and 'sub1'.
  *** VM: Avoid overflow in ASM_ADD when the result is most-positive-fixnum.
  *** read: Avoid signed integer overflow in 'read_decimal_integer'.

========================================================================
The following people contributed to this release:

     2  Aleix Conchillo Flaque
     1  Alexandru Cojocaru
    21  Andy Wingo
     1  Arne Babenhauserheide
     1  Chris K. Jester-Young
     1  David Kastrup
     3  David Thompson
     7  Ian Price
    44  Ludovic Courtès
   170  Mark H Weaver
     2  Tom Tromey

You can follow Guile development in the Git repository and on the Guile
mailing lists.  Guile builds from the `master' branch of Git have
version number 2.1.x.

Guile versions with an odd middle number, e.g., 2.1.*, are unstable
development versions.  Even middle numbers indicate stable versions.
This has been the case since the 1.3.* series.

Please report bugs to `bug-guile@gnu.org'.  We also welcome reports of
successful builds, which can be sent to the same email address.


Ludovic, on behalf of the Guile team.

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^ permalink raw reply	[flat|nested] 16+ messages in thread

end of thread, other threads:[~2014-03-30 23:06 UTC | newest]

Thread overview: 16+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-03-17 23:11 GNU Guile 2.0.10 released Ludovic Courtès
2014-03-18 20:56 ` Andy Wingo
2014-03-19 12:50   ` Panicz Maciej Godek
2014-03-19 13:50     ` Ludovic Courtès
2014-03-19 19:13       ` Mark H Weaver
2014-03-20  0:06       ` Panicz Maciej Godek
2014-03-20  8:04         ` Ludovic Courtès
2014-03-20 10:34           ` Panicz Maciej Godek
2014-03-26 18:24             ` Eli Zaretskii
     [not found]               ` <8361n0zum6.fsf-mXXj517/zsQ@public.gmane.org>
2014-03-26 18:44                 ` [Gc] " Panicz Maciej Godek
2014-03-26 19:02                   ` Mike Gran
2014-03-26 19:27                     ` Eli Zaretskii
2014-03-27  9:39                     ` Ludovic Courtès
2014-03-26 19:22                   ` Eli Zaretskii
     [not found]                     ` <83zjkcydby.fsf-mXXj517/zsQ@public.gmane.org>
2014-03-26 19:31                       ` [Gc] " Panicz Maciej Godek
2014-03-30 23:06                     ` Mark H Weaver

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