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-rw-r--r--gnulib-m4/iswblank.m412
1 files changed, 8 insertions, 4 deletions
diff --git a/gnulib-m4/iswblank.m4 b/gnulib-m4/iswblank.m4
index ddecf9b8..e450f0bd 100644
--- a/gnulib-m4/iswblank.m4
+++ b/gnulib-m4/iswblank.m4
@@ -1,5 +1,5 @@
-# iswblank.m4 serial 5
-dnl Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# iswblank.m4 serial 7
+dnl Copyright (C) 2011-2024 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.
@@ -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