X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/df222dfaf4da6becae8665d344669eefc705d7f7..c826013fb38c98861ef0fc5d4dc3fb3fb4f555be:/NEWS diff --git a/NEWS b/NEWS index 09610cbf..7097f3bd 100644 --- a/NEWS +++ b/NEWS @@ -230,7 +230,40 @@ Bison News determine which destructor to call for the lookahead upon a syntax error or upon parser return. This bug has been fixed. -* Changes in version 2.4.2 (????-??-??): +* Changes in version 2.4.3 (????-??-??): + +** Problems with spawning M4 on at least FreeBSD 8 and FreeBSD 9 have + been fixed. + +** Failures in the test suite for GCC 4.5 have been fixed. + +** Failures in the test suite for some versions of Sun Studio C++ have + been fixed. + +** Contrary to Bison 2.4.2's NEWS entry, it has been decided that + warnings about undefined %prec identifiers will not be converted to + errors in Bison 2.5. They will remain warnings, which should be + sufficient for POSIX while avoiding backward compatibility issues. + +* Changes in version 2.4.2 (2010-03-20): + +** Some portability problems that resulted in failures and livelocks + in the test suite on some versions of at least Solaris, AIX, HP-UX, + RHEL4, and Tru64 have been addressed. As a result, fatal Bison + errors should no longer cause M4 to report a broken pipe on the + affected platforms. + +** `%prec IDENTIFIER' requires IDENTIFIER to be defined separately. + + POSIX specifies that an error be reported for any identifier that does + not appear on the LHS of a grammar rule and that is not defined by + %token, %left, %right, or %nonassoc. Bison 2.3b and later lost this + error report for the case when an identifier appears only after a + %prec directive. It is now restored. However, for backward + compatibility with recent Bison releases, it is only a warning for + now. In Bison 2.5 and later, it will return to being an error. + [Between the 2.4.2 and 2.4.3 releases, it was decided that this + warning will not be converted to an error in Bison 2.5.] ** Detection of GNU M4 1.4.6 or newer during configure is improved. @@ -1353,8 +1386,7 @@ End: ----- -Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, -2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. +Copyright (C) 1995-2010 Free Software Foundation, Inc. This file is part of Bison, the GNU Parser Generator.