Add GCC 6.3 to boost.m4

diff --git a/m4/boost.m4 b/m4/boost.m4
index a1aa142418a973a57fdf8f63a2b4030d1c01e01a..cc1d0360d04fdc2a01ecd69809236f7a815a05c0 100644 (file)
--- a/m4/boost.m4
+++ b/m4/boost.m4
@@ -1416,6 +1416,8 @@ if test x$boost_cv_inc_path != xno; then
   # I'm not sure about my test for `il' (be careful: Intel's ICC pre-defines
   # the same defines as GCC's).
   for i in \
+    _BOOST_mingw_test(6, 3) \
+    _BOOST_gcc_test(6, 3) \
     _BOOST_mingw_test(6, 2) \
     _BOOST_gcc_test(6, 2) \
     _BOOST_mingw_test(6, 1) \