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Mention C keywords in NEWS

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Thanks to Alan Coopersmith for mentioning this in:
https://lists.gnu.org/r/autoconf/2024-04/msg00011.html
This commit is contained in:
Paul Eggert 2024-04-30 11:41:36 -07:00
parent 653956f446
commit 76ac2c1d73
1 changed files with 4 additions and 2 deletions
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NEWS
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@ -5,8 +5,10 @@ GNU Autoconf NEWS - User visible changes.
** Backward incompatibilities
*** AC_PROG_CC now prefers C23 if available.
C23 has removed old-style (K&R) function definitions/declarations.
Old-style functions should be updated to use prototypes.
Older code may need to be updated, as C23 has removed old-style
(K&R) function definitions and declarations, and has new keywords
alignas, alignof, bool, constexpr, false, nullptr, static_assert,
thread_local, typeof, typeof_unqual, true.
*** AC_PROG_CC no longer tests for VLAs, or whether __STDC__ is defined.
This ports better to MSVC, which does not support variable length