diff -r 8a5f9c8b6fb3 boost/boost/config/compiler/visualc.hpp
--- a/boost/boost/config/compiler/visualc.hpp	Mon Jul 01 12:00:29 2013 +0800
+++ b/boost/boost/config/compiler/visualc.hpp	Mon Jul 01 12:04:06 2013 +0800
@@ -276,6 +276,8 @@
 #     define BOOST_COMPILER_VERSION evc10
 #   elif _MSC_VER < 1800 
 #     define BOOST_COMPILER_VERSION evc11 
+#   elif _MSC_VER < 1900 
+#     define BOOST_COMPILER_VERSION evc12 
 #   else
 #      if defined(BOOST_ASSERT_CONFIG)
 #         error "Unknown EVC++ compiler version - please run the configure tests and report the results"
@@ -301,6 +303,8 @@
 #     define BOOST_COMPILER_VERSION 10.0
 #   elif _MSC_VER < 1800 
 #     define BOOST_COMPILER_VERSION 11.0 
+#   elif _MSC_VER < 1900 
+#     define BOOST_COMPILER_VERSION 12.0 
 #   else
 #     define BOOST_COMPILER_VERSION _MSC_VER
 #   endif
@@ -310,8 +314,8 @@
 #endif
 
 //
-// last known and checked version is 1700 (VC11, aka 2011):
-#if (_MSC_VER > 1700)
+// last known and checked version is 1800 (VC12, aka 2013):
+#if (_MSC_VER > 1800)
 #  if defined(BOOST_ASSERT_CONFIG)
 #     error "Unknown compiler version - please run the configure tests and report the results"
 #  else
diff -r 8a5f9c8b6fb3 boost/tools/build/v2/tools/msvc.jam
--- a/boost/tools/build/v2/tools/msvc.jam	Mon Jul 01 12:00:29 2013 +0800
+++ b/boost/tools/build/v2/tools/msvc.jam	Mon Jul 01 12:04:06 2013 +0800
@@ -738,7 +738,11 @@
             # version from the path.
             # FIXME: We currently detect both Microsoft Visual Studio 9.0 and
             # 9.0express as 9.0 here.
-            if [ MATCH "(Microsoft Visual Studio 11)" : $(command) ]
+            if [ MATCH "(Microsoft Visual Studio 12)" : $(command) ]
+            {
+                version = 12.0 ;
+            }
+            else if [ MATCH "(Microsoft Visual Studio 11)" : $(command) ]
             {
                 version = 11.0 ;
             }
@@ -1364,7 +1368,7 @@
 
 
 # Known toolset versions, in order of preference.
-.known-versions = 11.0 10.0 10.0express 9.0 9.0express 8.0 8.0express 7.1 7.1toolkit 7.0 6.0 ;
+.known-versions = 12.0 11.0 10.0 10.0express 9.0 9.0express 8.0 8.0express 7.1 7.1toolkit 7.0 6.0 ;
 
 # Version aliases.
 .version-alias-6 = 6.0 ;
@@ -1374,6 +1378,7 @@
 .version-alias-9 = 9.0 ;
 .version-alias-10 = 10.0 ;
 .version-alias-11 = 11.0 ;
+.version-alias-12 = 12.0 ;
 
 # Names of registry keys containing the Visual C++ installation path (relative
 # to "HKEY_LOCAL_MACHINE\SOFTWARE\\Microsoft").
@@ -1387,6 +1392,7 @@
 .version-10.0-reg = "VisualStudio\\10.0\\Setup\\VC" ;
 .version-10.0express-reg = "VCExpress\\10.0\\Setup\\VC" ;
 .version-11.0-reg = "VisualStudio\\11.0\\Setup\\VC" ;
+.version-12.0-reg = "VisualStudio\\12.0\\Setup\\VC" ;
 
 # Visual C++ Toolkit 2003 does not store its installation path in the registry.
 # The environment variable 'VCToolkitInstallDir' and the default installation