diff options
Diffstat (limited to 'm4/iswblank.m4')
| -rw-r--r-- | m4/iswblank.m4 | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/m4/iswblank.m4 b/m4/iswblank.m4 index 84fd838..b1220b1 100644 --- a/m4/iswblank.m4 +++ b/m4/iswblank.m4 @@ -1,5 +1,5 @@ -# iswblank.m4 serial 5 -dnl Copyright (C) 2011-2021 Free Software Foundation, Inc. +# iswblank.m4 serial 7 +dnl Copyright (C) 2011-2023 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. @@ -10,14 +10,18 @@ AC_DEFUN([gl_FUNC_ISWBLANK], AC_REQUIRE([gl_WCTYPE_H]) dnl Persuade glibc <wctype.h> to declare iswblank(). AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) - AC_CHECK_FUNCS_ONCE([iswblank]) + gl_CHECK_FUNCS_ANDROID([iswblank], [[#include <wctype.h>]]) AC_CHECK_DECLS([iswblank], , , [[ #include <wchar.h> #include <wctype.h> ]]) if test $ac_cv_func_iswblank = no; then HAVE_ISWBLANK=0 - if test $ac_cv_have_decl_iswblank = yes; then + if test $ac_cv_have_decl_iswblank = yes \ + || case "$gl_cv_onwards_func_iswblank" in \ + future*) true ;; \ + *) false ;; \ + esac; then REPLACE_ISWBLANK=1 fi fi |