From 5dd298feb033e572d33b683798f6897230957242 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Fri, 17 Jan 2025 22:11:54 -0800 Subject: [PATCH] alignasof: port to IBM XL C V16.1 * m4/stdalign.m4 (gl_ALIGNASOF): Work around similar bug in IBM XL C V16.1.0 cc (non-clang). Since this is the last version of this obsolescent compiler, assume the bug is in earlier versions. --- ChangeLog | 6 ++++++ m4/stdalign.m4 | 8 +++++--- 2 files changed, 11 insertions(+), 3 deletions(-) diff --git a/ChangeLog b/ChangeLog index 43e1361ed7..bd3417c7ef 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,11 @@ 2025-01-17 Paul Eggert + alignasof: port to IBM XL C V16.1 + * m4/stdalign.m4 (gl_ALIGNASOF): + Work around similar bug in IBM XL C V16.1.0 cc (non-clang). + Since this is the last version of this obsolescent compiler, + assume the bug is in earlier versions. + stdalign, stdnoreturn: improve deprecation warnings * modules/stdalign, modules/stdalign-h, modules/stdnoreturn: * modules/stdnoreturn-h: Use more consistent deprecation diff --git a/m4/stdalign.m4 b/m4/stdalign.m4 index bb2d155537..bd4ec12e89 100644 --- a/m4/stdalign.m4 +++ b/m4/stdalign.m4 @@ -1,5 +1,5 @@ # stdalign.m4 -# serial 1 +# serial 2 dnl Copyright 2011-2025 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -104,11 +104,13 @@ AC_DEFUN([gl_ALIGNASOF], /* GCC releases before GCC 4.9 had a bug in _Alignof. See GCC bug 52023 . - clang versions < 8.0.0 have the same bug. */ + clang versions < 8.0.0 have the same bug. + IBM XL C V16.1.0 cc (non-clang) has the same bug. */ # if (!defined __STDC_VERSION__ || __STDC_VERSION__ < 201112 \ || (defined __GNUC__ && __GNUC__ < 4 + (__GNUC_MINOR__ < 9) \ && !defined __clang__) \ - || (defined __clang__ && __clang_major__ < 8)) + || (defined __clang__ && __clang_major__ < 8) \ + || defined __xlC__) # undef/**/_Alignof # ifdef __cplusplus # if (201103 <= __cplusplus || defined _MSC_VER) -- 2.39.5