diff options
Diffstat (limited to 'gnulib-m4/wint_t.m4')
| -rw-r--r-- | gnulib-m4/wint_t.m4 | 47 |
1 files changed, 15 insertions, 32 deletions
diff --git a/gnulib-m4/wint_t.m4 b/gnulib-m4/wint_t.m4 index 95f68548..adc58661 100644 --- a/gnulib-m4/wint_t.m4 +++ b/gnulib-m4/wint_t.m4 @@ -1,5 +1,5 @@ -# wint_t.m4 serial 7 -dnl Copyright (C) 2003, 2007-2018 Free Software Foundation, Inc. +# wint_t.m4 serial 11 +dnl Copyright (C) 2003, 2007-2022 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. @@ -14,15 +14,7 @@ AC_DEFUN([gt_TYPE_WINT_T], AC_CACHE_CHECK([for wint_t], [gt_cv_c_wint_t], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( - [[ -/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before - <wchar.h>. - BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included - before <wchar.h>. */ -#include <stddef.h> -#include <stdio.h> -#include <time.h> -#include <wchar.h> + [[#include <wchar.h> wint_t foo = (wchar_t)'\0';]], [[]])], [gt_cv_c_wint_t=yes], @@ -32,33 +24,24 @@ AC_DEFUN([gt_TYPE_WINT_T], dnl Determine whether gnulib's <wchar.h> or <wctype.h> would, if present, dnl override 'wint_t'. - AC_CACHE_CHECK([whether wint_t is too small], - [gl_cv_type_wint_t_too_small], + AC_CACHE_CHECK([whether wint_t is large enough], + [gl_cv_type_wint_t_large_enough], [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM([[ -/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before - <wchar.h>. - BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be - included before <wchar.h>. */ -#if !(defined __GLIBC__ && !defined __UCLIBC__) -# include <stddef.h> -# include <stdio.h> -# include <time.h> -#endif -#include <wchar.h> + [AC_LANG_PROGRAM( + [[#include <wchar.h> int verify[sizeof (wint_t) < sizeof (int) ? -1 : 1]; - ]])], - [gl_cv_type_wint_t_too_small=no], - [gl_cv_type_wint_t_too_small=yes])]) - if test $gl_cv_type_wint_t_too_small = yes; then - GNULIB_OVERRIDES_WINT_T=1 + ]])], + [gl_cv_type_wint_t_large_enough=yes], + [gl_cv_type_wint_t_large_enough=no])]) + if test $gl_cv_type_wint_t_large_enough = no; then + GNULIBHEADERS_OVERRIDE_WINT_T=1 else - GNULIB_OVERRIDES_WINT_T=0 + GNULIBHEADERS_OVERRIDE_WINT_T=0 fi else - GNULIB_OVERRIDES_WINT_T=0 + GNULIBHEADERS_OVERRIDE_WINT_T=0 fi - AC_SUBST([GNULIB_OVERRIDES_WINT_T]) + AC_SUBST([GNULIBHEADERS_OVERRIDE_WINT_T]) ]) dnl Prerequisites of the 'wint_t' override. |