2 dnl Copyright (C) 2009, 2010 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
9 AC_REQUIRE([gl_CTYPE_H_DEFAULTS])
10 dnl Execute this unconditionally, because CTYPE_H may be set by other
11 dnl modules, after this code is executed.
12 gl_CHECK_NEXT_HEADERS([ctype.h])
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>
20 AC_DEFUN([gl_CTYPE_MODULE_INDICATOR],
22 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
23 AC_REQUIRE([gl_CTYPE_H_DEFAULTS])
24 GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
27 AC_DEFUN([gl_CTYPE_H_DEFAULTS],
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])