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Diff for /embedaddon/libiconv/srcm4/wint_t.m4 between versions 1.1.1.1 and 1.1.1.3

version 1.1.1.1, 2012/02/21 22:57:49 version 1.1.1.3, 2021/03/17 13:38:46
Line 1 Line 1
# wint_t.m4 serial 4 (gettext-0.18)# wint_t.m4 serial 7
dnl Copyright (C) 2003, 2007-2009 Free Software Foundation, Inc.dnl Copyright (C) 2003, 2007-2019 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation  dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,  dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.  dnl with or without modifications, as long as this notice is preserved.
   
 dnl From Bruno Haible.  dnl From Bruno Haible.
dnl Test whether <wchar.h> has the 'wint_t' type.dnl Test whether <wchar.h> has the 'wint_t' type and whether gnulib's
 dnl <wchar.h> or <wctype.h> would, if present, override 'wint_t'.
 dnl Prerequisite: AC_PROG_CC  dnl Prerequisite: AC_PROG_CC
   
 AC_DEFUN([gt_TYPE_WINT_T],  AC_DEFUN([gt_TYPE_WINT_T],
 [  [
   AC_CACHE_CHECK([for wint_t], [gt_cv_c_wint_t],    AC_CACHE_CHECK([for wint_t], [gt_cv_c_wint_t],
    [AC_TRY_COMPILE([    [AC_COMPILE_IFELSE(
        [AC_LANG_PROGRAM(
           [[
 /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before  /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
    <wchar.h>.     <wchar.h>.
    BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included     BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included
Line 20  AC_DEFUN([gt_TYPE_WINT_T], Line 23  AC_DEFUN([gt_TYPE_WINT_T],
 #include <stdio.h>  #include <stdio.h>
 #include <time.h>  #include <time.h>
 #include <wchar.h>  #include <wchar.h>
       wint_t foo = (wchar_t)'\0';], ,            wint_t foo = (wchar_t)'\0';]],
       [gt_cv_c_wint_t=yes], [gt_cv_c_wint_t=no])])          [[]])],
        [gt_cv_c_wint_t=yes],
        [gt_cv_c_wint_t=no])])
   if test $gt_cv_c_wint_t = yes; then    if test $gt_cv_c_wint_t = yes; then
     AC_DEFINE([HAVE_WINT_T], [1], [Define if you have the 'wint_t' type.])      AC_DEFINE([HAVE_WINT_T], [1], [Define if you have the 'wint_t' type.])
   
       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_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>
                 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
       else
         GNULIB_OVERRIDES_WINT_T=0
       fi
     else
       GNULIB_OVERRIDES_WINT_T=0
   fi    fi
     AC_SUBST([GNULIB_OVERRIDES_WINT_T])
   ])
   
   dnl Prerequisites of the 'wint_t' override.
   AC_DEFUN([gl_TYPE_WINT_T_PREREQ],
   [
     AC_CHECK_HEADERS_ONCE([crtdefs.h])
     if test $ac_cv_header_crtdefs_h = yes; then
       HAVE_CRTDEFS_H=1
     else
       HAVE_CRTDEFS_H=0
     fi
     AC_SUBST([HAVE_CRTDEFS_H])
 ])  ])
Removed from v.1.1.1.1  
changed lines
  Added in v.1.1.1.3

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