@node ax_cxx_have_cref
@unnumberedsec ax_cxx_have_cref

@majorheading Synopsis

@smallexample
AX_CXX_HAVE_CREF()
@end smallexample

@majorheading Description

This macro checks if std::cref, added in C++11, is defined in the
<functional> header.

If it is, define the ax_cv_cxx_have_cref environment variable to "yes"
and define HAVE_CXX_CREF.

@majorheading Source Code

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

@majorheading License

@w{Copyright @copyright{} 2014 Enrico M. Crisostomo @email{enrico.m.crisostomo@@gmail.com}}

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.