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Diffstat (limited to 'gnulib-m4/wctype_h.m4')
-rw-r--r--gnulib-m4/wctype_h.m49
1 files changed, 6 insertions, 3 deletions
diff --git a/gnulib-m4/wctype_h.m4 b/gnulib-m4/wctype_h.m4
index accc001..596f26b 100644
--- a/gnulib-m4/wctype_h.m4
+++ b/gnulib-m4/wctype_h.m4
@@ -1,8 +1,8 @@
-# wctype_h.m4 serial 18
+# wctype_h.m4 serial 21
dnl A placeholder for ISO C99 <wctype.h>, for platforms that lack it.
-dnl Copyright (C) 2006-2016 Free Software Foundation, Inc.
+dnl Copyright (C) 2006-2017 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.
@@ -30,6 +30,8 @@ AC_DEFUN([gl_WCTYPE_H],
fi
AC_SUBST([HAVE_WINT_T])
+ AC_REQUIRE([gl_TYPE_WINT_T_PREREQ])
+
gl_CHECK_NEXT_HEADERS([wctype.h])
if test $ac_cv_header_wctype_h = yes; then
if test $ac_cv_func_iswcntrl = yes; then
@@ -51,7 +53,8 @@ AC_DEFUN([gl_WCTYPE_H],
int main () { return iswprint ('x') == 0; }
]])],
[gl_cv_func_iswcntrl_works=yes], [gl_cv_func_iswcntrl_works=no],
- [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
+ [dnl Guess no on Linux libc5, yes otherwise.
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
#if __GNU_LIBRARY__ == 1
Linux libc5 i18n is broken.
#endif]], [])],