[mlpack-git] master: Fix build with newer Boost versions. (2d0fe63)

[gitdub at big.cc.gt.atl.ga.us]

Repository : https://github.com/mlpack/mlpack

On branch  : master
Link       : https://github.com/mlpack/mlpack/compare/de9cc4b05069e1fa4793d9355f2f595af5ff45d2...6070527af14296cd99739de6c62666cc5d2a2125

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commit 2d0fe63d25f2249f6f9c46bf140e7b246d7590e7
Author: Ryan Curtin <ryan at ratml.org>
Date:   Tue Sep 22 06:51:09 2015 -0700

    Fix build with newer Boost versions.


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2d0fe63d25f2249f6f9c46bf140e7b246d7590e7
 src/mlpack/prereqs.hpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/mlpack/prereqs.hpp b/src/mlpack/prereqs.hpp
index a05ae13..2b6ab06 100644
--- a/src/mlpack/prereqs.hpp
+++ b/src/mlpack/prereqs.hpp
@@ -47,8 +47,13 @@
 #endif
 
 // We'll need the necessary boost::serialization features, as well as what we
-// use with mlpack.
+// use with mlpack.  In Boost 1.59 and newer, the BOOST_PFTO code is no longer
+// defined, but we still need to define it (as nothing) so that the mlpack
+// serialization shim compiles.
 #include <boost/serialization/serialization.hpp>
+#ifndef BOOST_PFTO
+  #define BOOST_PFTO
+#endif
 #include <mlpack/core/data/serialization_shim.hpp>
 
 // Now include Armadillo through the special mlpack extensions.