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