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dnl A placeholder for ISO C99 <wctype.h>, for platforms that lack it.
dnl Copyright (C) 2006, 2007 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.
dnl Written by Paul Eggert.
AC_DEFUN([gl_WCTYPE_H],
[
AC_CHECK_FUNCS_ONCE([iswcntrl])
AC_CHECK_HEADERS_ONCE([wctype.h])
AC_REQUIRE([AC_C_INLINE])
AC_REQUIRE([gt_TYPE_WINT_T])
if test $gt_cv_c_wint_t = yes; then
HAVE_WINT_T=1
else
HAVE_WINT_T=0
fi
AC_SUBST([HAVE_WINT_T])
WCTYPE_H=wctype.h
if test $ac_cv_header_wctype_h = yes; then
if test "$ac_cv_func_iswcntrl" = yes; then
WCTYPE_H=
fi
dnl Compute ABSOLUTE_WCTYPE_H even if WCTYPE_H is empty,
dnl for the benefit of builds from non-distclean directories.
gl_ABSOLUTE_HEADER([wctype.h])
ABSOLUTE_WCTYPE_H=\"$gl_cv_absolute_wctype_h\"
HAVE_WCTYPE_H=1
else
ABSOLUTE_WCTYPE_H=\"no/such/file/wctype.h\"
HAVE_WCTYPE_H=0
fi
AC_SUBST([ABSOLUTE_WCTYPE_H])
AC_SUBST([HAVE_WCTYPE_H])
AC_SUBST([WCTYPE_H])
])
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