X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=3rdparty%2Fboost%2Fboost%2Ftype_traits%2Fis_assignable.hpp;h=49d171616a14dce15a9d90f6608ae129c7c652a5;hb=46c6f4de670ac1f930542ca2bd967e5bb6fba940;hp=9cf681dd31f7498ffe10a81bfccab1debde00ab7;hpb=86517b120cfbd98973381551fc11f38a571dfcb7;p=features.git

diff --git a/3rdparty/boost/boost/type_traits/is_assignable.hpp b/3rdparty/boost/boost/type_traits/is_assignable.hpp
index 9cf681dd31..49d171616a 100644
--- a/3rdparty/boost/boost/type_traits/is_assignable.hpp
+++ b/3rdparty/boost/boost/type_traits/is_assignable.hpp
@@ -9,6 +9,7 @@
 #ifndef BOOST_TT_IS_ASSIGNABLE_HPP_INCLUDED
 #define BOOST_TT_IS_ASSIGNABLE_HPP_INCLUDED
 
+#include <cstddef> // size_t
 #include <boost/type_traits/integral_constant.hpp>
 #include <boost/detail/workaround.hpp>