blob: 06efe611aeb9ab7be6e34e9d1a4a7b508c93faef [file] [log] [blame]
# ctype_h.m4 serial 6
dnl Copyright (C) 2009-2021 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.
AC_DEFUN([gl_CTYPE_H],
[
AC_REQUIRE([gl_CTYPE_H_DEFAULTS])
dnl <ctype.h> is always overridden, because of GNULIB_POSIXCHECK.
gl_NEXT_HEADERS([ctype.h])
dnl Check for declarations of anything we want to poison if the
dnl corresponding gnulib module is not in use.
gl_WARN_ON_USE_PREPARE([[#include <ctype.h>
]], [isblank])
])
AC_DEFUN([gl_CTYPE_MODULE_INDICATOR],
[
dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
AC_REQUIRE([gl_CTYPE_H_DEFAULTS])
gl_MODULE_INDICATOR_SET_VARIABLE([$1])
])
AC_DEFUN([gl_CTYPE_H_DEFAULTS],
[
GNULIB_ISBLANK=0; AC_SUBST([GNULIB_ISBLANK])
dnl Assume proper GNU behavior unless another module says otherwise.
HAVE_ISBLANK=1; AC_SUBST([HAVE_ISBLANK])
])