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author | Paul Eggert <eggert@cs.ucla.edu> | 2022-12-24 23:39:41 -0800 |
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committer | Paul Eggert <eggert@cs.ucla.edu> | 2022-12-24 23:40:22 -0800 |
commit | 758fab78eaa325ee0f84a277892d3da55e2370c3 (patch) | |
tree | eff1bef69db33368f29073139d9d0570fce46d36 /m4/extensions.m4 | |
parent | c28598c37d2520641dc9e51841cf65eff6df68fa (diff) | |
download | gnulib-758fab78eaa325ee0f84a277892d3da55e2370c3.tar.gz |
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.
Diffstat (limited to 'm4/extensions.m4')
-rw-r--r-- | m4/extensions.m4 | 11 |
1 files changed, 8 insertions, 3 deletions
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__]) |