Added the comment for BOOST_PP_VARIADICS define.

msgpack · Jul 5, 2015 · 584bd85 · 584bd85
1 parent 777e5f1
commit 584bd85
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diff --git a/erb/cpp03_define_map.hpp.erb b/erb/cpp03_define_map.hpp.erb
@@ -20,6 +20,10 @@
 
 #if defined(MSGPACK_USE_BOOST)
 
+// BOOST_PP_VARIADICS is defined in boost/preprocessor/config/config.hpp
+// http://www.boost.org/libs/preprocessor/doc/ref/variadics.html
+// However, supporting compiler detection is not complete. msgpack-c requires
+// variadic macro arguments support. So BOOST_PP_VARIADICS is defined here explicitly.
 #define BOOST_PP_VARIADICS
 #include <boost/preprocessor.hpp>
 

diff --git a/include/msgpack/adaptor/detail/cpp03_define_map.hpp b/include/msgpack/adaptor/detail/cpp03_define_map.hpp
@@ -20,6 +20,10 @@
 
 #if defined(MSGPACK_USE_BOOST)
 
+// BOOST_PP_VARIADICS is defined in boost/preprocessor/config/config.hpp
+// http://www.boost.org/libs/preprocessor/doc/ref/variadics.html
+// However, supporting compiler detection is not complete. msgpack-c requires
+// variadic macro arguments support. So BOOST_PP_VARIADICS is defined here explicitly.
 #define BOOST_PP_VARIADICS
 #include <boost/preprocessor.hpp>
 

diff --git a/include/msgpack/adaptor/detail/cpp11_define_map.hpp b/include/msgpack/adaptor/detail/cpp11_define_map.hpp
@@ -20,6 +20,10 @@
 
 #if defined(MSGPACK_USE_BOOST)
 
+// BOOST_PP_VARIADICS is defined in boost/preprocessor/config/config.hpp
+// http://www.boost.org/libs/preprocessor/doc/ref/variadics.html
+// However, supporting compiler detection is not complete. msgpack-c requires
+// variadic macro arguments support. So BOOST_PP_VARIADICS is defined here explicitly.
 #define BOOST_PP_VARIADICS
 #include <boost/preprocessor.hpp>