Update to CLISP 2.49.

pkgsrc changes: desupport build options that are turned into module packages.


2.49 (2010-07-07)
=================

User visible changes
--------------------

* New command line option -disable-readline lets working around bugs and
  incompatibilities between readline CLISP was built against and the
  library actually installed.
  See <http://clisp.cons.org/impnotes/clisp.html#opt-norl> for details.

* FFI:OPEN-FOREIGN-LIBRARY now accepts the :REQUIRE argument.
  See <http://clisp.cons.org/impnotes/dffi.html#dffi-open-lib> for details.

* New user variable CUSTOM:*USER-LIB-DIRECTORY* is respected by REQUIRE
  and used by "clisp-link install".
  Dynamic modules are now the default build option.
  See <http://clisp.cons.org/impnotes/require.html> and
  <http://clisp.cons.org/impnotes/clisp-link.html> for details.

* Function RENAME-FILE now accepts :IF-EXISTS argument which determines
  the action when the destination exists, unless, of course, *ANSI* is T.
  See <http://clisp.cons.org/impnotes/file-func.html#rename-file> for details.

* The replacement value entered by the user in STORE-VALUE and USE-VALUE
  restarts is now EVALuated.

* The old user variable CUSTOM:*PRINT-CLOSURE* now controls interpreted
  closure output too (RFE#3001956). This is a tricky feature, read up!
  See <http://clisp.cons.org/impnotes/multi-rep.html#pr-closure>.

* Module readline now supports readline 6.1.
  (Older versions are, of course, still supported).
  See <http://clisp.cons.org/impnotes/readline-mod.html> for details.

* Module pcre now supports pcre 8.01.
  (Older versions are, of course, still supported).
  See <http://clisp.cons.org/impnotes/pcre.html> for details.

* Module libsvm does not come with the upstream sources anymore, install
  locally and pass --with-libsvm-prefix to the top-level configure instead.
  All upstream versions up to 2.91 are supported.
  See <http://clisp.cons.org/impnotes/libsvm.html> for details.

* Module berkeley-db now supports Berkeley-DB 4.8.
  (Older versions are, of course, still supported).
  See <http://clisp.cons.org/impnotes/berkeley-db.html> for details.

* Module postgresql now supports PostgreSQL 8.4.
  (Older versions are, of course, still supported).
  See <http://clisp.cons.org/impnotes/postgresql.html> for details.

* Module pari has been updated to support both 64 & 32 bit platforms
  with and without GMP.
  See <http://clisp.cons.org/impnotes/pari.html> for details.

* New functions OS:VERSION-COMPARE et al call strverscmp.
  See <http://clisp.cons.org/impnotes/syscalls.html#strverscmp> for details.

* Bug fixes:
  + Do not eliminate function calls which are advertised to have
    exceptional situation in unsafe code (bug#2868166).
  + Fix an internal error in DECLAIM on bad OPTIMIZE quality (bug#2868147).
  + CLEAR-INPUT now clears the EOF condition on file streams (bug#2902716).
  + When quitting on a signal, never enter the debugger (bug#2795278).
  + Respect :FULL T in DIRECTORY :WILD-INFERIORS (bug#3009966).
  + Handle TWO-WAY-STREAM and ECHO-STREAM correctly by
    (SETF STREAM-EXTERNAL-FORMAT) (bug#3020933).
  + Fix unbuffered output pipe stream initialization (bug#3024887).

* ANSI compliance:
  + Implement the ANSI issue COMPILER-DIAGNOSTICS:USE-HANDLER: use the
    CL Condition System for compiler diagnostics.
  + STREAM-ELEMENT-TYPE on empty CONCATENATED-STREAMs now returns NIL
    because nothing can be read from such streams (bug#3014921).

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