added -std=c++11/-std=c++14 flags for GCC/Clang

example/Jamfile.v2

@@ -5,43 +5,45 @@
 #
 # See http://www.boost.org/libs/poly_collection for library home page.
 
+project
+    : requirements
+      <include>$(BOOST_ROOT)
+      <toolset>gcc:<cxxflags>-std=c++11
+      <toolset>clang:<cxxflags>-std=c++11
+    ;
+
 exe algorithms
     : algorithms.cpp
-    : <include>$(BOOST_ROOT)
+    : <toolset>gcc:<cxxflags>-std=c++14
+      <toolset>clang:<cxxflags>-std=c++14
     ;
 
 exe basic_any
     : basic_any.cpp
-    : <include>$(BOOST_ROOT)
     ;
 
 exe basic_base
     : basic_base.cpp
-    : <include>$(BOOST_ROOT)
     ;
 
 exe basic_function
     : basic_function.cpp
-    : <include>$(BOOST_ROOT)
     ;
 
 exe exceptions
     : exceptions.cpp
-    : <include>$(BOOST_ROOT)
     ;
 
 exe insertion_emplacement
     : insertion_emplacement.cpp
-    : <include>$(BOOST_ROOT)
     ;
 
 exe perf
     : perf.cpp
-    : <include>$(BOOST_ROOT)
+    :
     : release
     ;
 
 exe segmented_structure
     : segmented_structure.cpp
-    : <include>$(BOOST_ROOT)
     ;