blob: 0e2815b90e8d248f66b2925211e5ccdaa3b63c6c [file] [log] [blame]
# strnlen.m4 serial 8
dnl Copyright (C) 2002-2003, 2005-2007 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.
AC_DEFUN([gl_FUNC_STRNLEN],
[
dnl Persuade glibc <string.h> to declare strnlen().
AC_REQUIRE([AC_GNU_SOURCE])
AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
AC_CHECK_DECLS_ONCE([strnlen])
if test $ac_cv_have_decl_strnlen = no; then
HAVE_DECL_STRNLEN=0
fi
AC_FUNC_STRNLEN
if test $ac_cv_func_strnlen_working = no; then
# This is necessary because automake-1.6.1 doens't understand
# that the above use of AC_FUNC_STRNLEN means we may have to use
# lib/strnlen.c.
#AC_LIBOBJ(strnlen)
AC_DEFINE(strnlen, rpl_strnlen,
[Define to rpl_strnlen if the replacement function should be used.])
gl_PREREQ_STRNLEN
fi
])
# Prerequisites of lib/strnlen.c.
AC_DEFUN([gl_PREREQ_STRNLEN], [:])