diff options
Diffstat (limited to 'gnulib-m4/extensions.m4')
| -rw-r--r-- | gnulib-m4/extensions.m4 | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/gnulib-m4/extensions.m4 b/gnulib-m4/extensions.m4 index 6fc2e300..1fb68956 100644 --- a/gnulib-m4/extensions.m4 +++ b/gnulib-m4/extensions.m4 @@ -1,10 +1,11 @@ -# serial 23 -*- Autoconf -*- -# Enable extensions on systems that normally disable them. +# extensions.m4 +# serial 25 -*- Autoconf -*- +dnl Copyright (C) 2003, 2006-2024 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. -# Copyright (C) 2003, 2006-2024 Free Software Foundation, Inc. -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. +# Enable extensions on systems that normally disable them. dnl Define to empty for the benefit of Autoconf 2.69 and earlier, so that dnl AC_USE_SYSTEM_EXTENSIONS (below) can be used unchanged from Autoconf 2.70+. @@ -229,4 +230,15 @@ AC_DEFUN_ONCE([gl_USE_SYSTEM_EXTENSIONS], [Define to enable the declarations of ISO C 11 types and functions.]) ;; esac + + dnl On OpenSolaris derivatives, the include files contains a couple of + dnl declarations that are only activated with an explicit + dnl -D__STDC_WANT_LIB_EXT1__. + AH_VERBATIM([USE_ISO_C_23_ANNEX_K_EXTENSIONS], +[/* Define to enable the declarations of ISO C 23 Annex K types and functions. */ +#if !(defined __STDC_WANT_LIB_EXT1__ && __STDC_WANT_LIB_EXT1__) +#undef/**/__STDC_WANT_LIB_EXT1__ +#define __STDC_WANT_LIB_EXT1__ 1 +#endif +]) ]) |