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[PATCH] extensions: enable some C23 Annex F functions
From: |
Paul Eggert |
Subject: |
[PATCH] extensions: enable some C23 Annex F functions |
Date: |
Sat, 24 Dec 2022 23:40:54 -0800 |
* m4/extensions.m4 (AC_USE_SYSTEM_EXTENSIONS):
Also define __STDC_WANT_IEC_60559_EXT__, for C23 Annex F
functions like totalorder. This syncs from Autoconf master.
---
ChangeLog | 5 +++++
m4/extensions.m4 | 11 ++++++++---
2 files changed, 13 insertions(+), 3 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 91370af964..9299d982f6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
2022-12-24 Paul Eggert <eggert@cs.ucla.edu>
+ extensions: enable some C23 Annex F functions
+ * m4/extensions.m4 (AC_USE_SYSTEM_EXTENSIONS):
+ Also define __STDC_WANT_IEC_60559_EXT__, for C23 Annex F
+ functions like totalorder. This syncs from Autoconf master.
+
stdnoreturn: deprecate
C23 says <stdnoreturn.h> is obsolescent, so deprecate the
stdnoreturn module. I don't think it was being used anyway
diff --git a/m4/extensions.m4 b/m4/extensions.m4
index 0b3e4b5af7..fc0d66be1a 100644
--- a/m4/extensions.m4
+++ b/m4/extensions.m4
@@ -1,4 +1,4 @@
-# serial 22 -*- Autoconf -*-
+# serial 23 -*- Autoconf -*-
# Enable extensions on systems that normally disable them.
# Copyright (C) 2003, 2006-2022 Free Software Foundation, Inc.
@@ -31,7 +31,7 @@ m4_ifndef([AC_CHECK_INCLUDES_DEFAULT],
# its dependencies. This will ensure that the gl_USE_SYSTEM_EXTENSIONS
# invocation occurs in gl_EARLY, not in gl_INIT.
-m4_version_prereq([2.70.1], [], [
+m4_version_prereq([2.72], [], [
# AC_USE_SYSTEM_EXTENSIONS
# ------------------------
@@ -113,11 +113,15 @@ AH_VERBATIM([USE_SYSTEM_EXTENSIONS],
#ifndef __STDC_WANT_IEC_60559_DFP_EXT__
# undef __STDC_WANT_IEC_60559_DFP_EXT__
#endif
+/* Enable extensions specified by C23 Annex F. */
+#ifndef __STDC_WANT_IEC_60559_EXT__
+# undef __STDC_WANT_IEC_60559_EXT__
+#endif
/* Enable extensions specified by ISO/IEC TS 18661-4:2015. */
#ifndef __STDC_WANT_IEC_60559_FUNCS_EXT__
# undef __STDC_WANT_IEC_60559_FUNCS_EXT__
#endif
-/* Enable extensions specified by ISO/IEC TS 18661-3:2015. */
+/* Enable extensions specified by C23 Annex H and ISO/IEC TS 18661-3:2015. */
#ifndef __STDC_WANT_IEC_60559_TYPES_EXT__
# undef __STDC_WANT_IEC_60559_TYPES_EXT__
#endif
@@ -187,6 +191,7 @@ dnl it should only be defined when necessary.
AC_DEFINE([__STDC_WANT_IEC_60559_ATTRIBS_EXT__])
AC_DEFINE([__STDC_WANT_IEC_60559_BFP_EXT__])
AC_DEFINE([__STDC_WANT_IEC_60559_DFP_EXT__])
+ AC_DEFINE([__STDC_WANT_IEC_60559_EXT__])
AC_DEFINE([__STDC_WANT_IEC_60559_FUNCS_EXT__])
AC_DEFINE([__STDC_WANT_IEC_60559_TYPES_EXT__])
AC_DEFINE([__STDC_WANT_LIB_EXT2__])
--
2.38.1
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