1# ctype_h.m4 serial 6
2dnl Copyright (C) 2009-2016 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7AC_DEFUN([gl_CTYPE_H],
8[
9  AC_REQUIRE([gl_CTYPE_H_DEFAULTS])
10
11  dnl <ctype.h> is always overridden, because of GNULIB_POSIXCHECK.
12  gl_NEXT_HEADERS([ctype.h])
13
14  dnl Check for declarations of anything we want to poison if the
15  dnl corresponding gnulib module is not in use.
16  gl_WARN_ON_USE_PREPARE([[#include <ctype.h>
17    ]], [isblank])
18])
19
20AC_DEFUN([gl_CTYPE_MODULE_INDICATOR],
21[
22  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
23  AC_REQUIRE([gl_CTYPE_H_DEFAULTS])
24  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
25])
26
27AC_DEFUN([gl_CTYPE_H_DEFAULTS],
28[
29  GNULIB_ISBLANK=0; AC_SUBST([GNULIB_ISBLANK])
30  dnl Assume proper GNU behavior unless another module says otherwise.
31  HAVE_ISBLANK=1;   AC_SUBST([HAVE_ISBLANK])
32])
33