Check compiler feature in Jamfile

CHANGELOG.md

@@ -2,6 +2,7 @@ Version 123:
 
 * Use unit-test subtree
 * Fix spurious race in websocket close test
+* Check compiler feature in Jamfile
 
 --------------------------------------------------------------------------------
 

test/Jamfile

@@ -7,8 +7,16 @@
 # Official repository: https://github.com/boostorg/beast
 #
 
+import testing ;
+import ../../config/checks/config : requires ;
+
 project /boost/beast/test
     : requirements
+    [ requires
+        cxx11_variadic_templates
+        cxx11_template_aliases
+        cxx11_decltype
+        cxx11_hdr_tuple ]
     <include>./extern
     ;