@node ax_have_adns
@unnumberedsec ax_have_adns

@majorheading Synopsis

@smallexample
AX_HAVE_ADNS([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
@end smallexample

@majorheading Description

Check whether the GNU ADNS library available from
http://www.chiark.greenend.org.uk/~ian/adns/ is installed on this
system. The test is known to work with version 1.4 (or later). If the
library is found, the flags necessary to link it are added to $LIBS.

@majorheading Source Code

Download the
@uref{http://git.savannah.gnu.org/gitweb/?p=autoconf-archive.git;a=blob_plain;f=m4/ax_have_adns.m4,latest
version of @file{ax_have_adns.m4}} or browse
@uref{http://git.savannah.gnu.org/gitweb/?p=autoconf-archive.git;a=history;f=m4/ax_have_adns.m4,the
macro's revision history}.

@majorheading License

@w{Copyright @copyright{} 2008 Peter Simons @email{simons@@cryp.to}}

Copying and distribution of this file, with or without modification, are
permitted in any medium without royalty provided the copyright notice
and this notice are preserved. This file is offered as-is, without any
warranty.