Index: tools/build/v2/engine/build.bat
===================================================================
--- tools/build/v2/engine/build.bat	(revision 76005)
+++ tools/build/v2/engine/build.bat	(working copy)
@@ -28,7 +28,7 @@
 ECHO ###     .\build.bat msvc
 ECHO ###
 ECHO ### Toolsets supported by this script are: borland, como, gcc, gcc-nocygwin,
-ECHO ###     intel-win32, metrowerks, mingw, msvc, vc7, vc8, vc9, vc10
+ECHO ###     intel-win32, metrowerks, mingw, msvc, vc7, vc8, vc9, vc10, vc11
 ECHO ###
 call :Set_Error
 endlocal
@@ -101,6 +101,16 @@
 if not errorlevel 1 set ProgramFiles=C:\Program Files
 
 call :Clear_Error
+if NOT "_%VS110COMNTOOLS%_" == "__" (
+    set "BOOST_JAM_TOOLSET=vc11"
+    set "BOOST_JAM_TOOLSET_ROOT=%VS110COMNTOOLS%..\..\VC\"
+    goto :eof)
+call :Clear_Error
+if EXIST "%ProgramFiles%\Microsoft Visual Studio 11.0\VC\VCVARSALL.BAT" (
+    set "BOOST_JAM_TOOLSET=vc11"
+    set "BOOST_JAM_TOOLSET_ROOT=%ProgramFiles%\Microsoft Visual Studio 11.0\VC\"
+    goto :eof)
+call :Clear_Error
 if NOT "_%VS100COMNTOOLS%_" == "__" (
     set "BOOST_JAM_TOOLSET=vc10"
     set "BOOST_JAM_TOOLSET_ROOT=%VS100COMNTOOLS%..\..\VC\"
@@ -371,6 +381,21 @@
 set "BOOST_JAM_OPT_YYACC=/Febootstrap\yyacc0"
 set "_known_=1"
 :Skip_VC10
+if NOT "_%BOOST_JAM_TOOLSET%_" == "_vc11_" goto Skip_VC11
+if NOT "_%VS110COMNTOOLS%_" == "__" (
+    set "BOOST_JAM_TOOLSET_ROOT=%VS110COMNTOOLS%..\..\VC\"
+    )
+if "_%VCINSTALLDIR%_" == "__" call :Call_If_Exists "%BOOST_JAM_TOOLSET_ROOT%VCVARSALL.BAT" %BOOST_JAM_ARGS%
+if NOT "_%BOOST_JAM_TOOLSET_ROOT%_" == "__" (
+    if "_%VCINSTALLDIR%_" == "__" (
+        set "PATH=%BOOST_JAM_TOOLSET_ROOT%bin;%PATH%"
+        ) )
+set "BOOST_JAM_CC=cl /nologo /RTC1 /Zi /MTd /Fobootstrap/ /Fdbootstrap/ -DNT -DYYDEBUG -wd4996 kernel32.lib advapi32.lib user32.lib"
+set "BOOST_JAM_OPT_JAM=/Febootstrap\jam0"
+set "BOOST_JAM_OPT_MKJAMBASE=/Febootstrap\mkjambase0"
+set "BOOST_JAM_OPT_YYACC=/Febootstrap\yyacc0"
+set "_known_=1"
+:Skip_VC11
 if NOT "_%BOOST_JAM_TOOLSET%_" == "_borland_" goto Skip_BORLAND
 if "_%BOOST_JAM_TOOLSET_ROOT%_" == "__" (
     call :Test_Path bcc32.exe )
Index: tools/build/v2/engine/build.jam
===================================================================
--- tools/build/v2/engine/build.jam	(revision 76005)
+++ tools/build/v2/engine/build.jam	(working copy)
@@ -370,7 +370,13 @@
     [ opt --debug : /MTd /DEBUG /Z7 /Od /Ob0 /wd4996 ]
     -I$(--python-include) -I$(--extra-include)
     : kernel32.lib advapi32.lib user32.lib $(--python-lib[1]) ;
-
+toolset vc11 cl : /Fe /Fe /Fd /Fo : -D
+    : /nologo
+    [ opt --release : /MT /O2 /Ob2 /Gy /GF /GA /wd4996 ]
+    [ opt --debug : /MTd /DEBUG /Z7 /Od /Ob0 /wd4996 ]
+    -I$(--python-include) -I$(--extra-include)
+    : kernel32.lib advapi32.lib user32.lib $(--python-lib[1]) ;
+    
 # First set the build commands and options according to the
 # preset toolset.
 toolset = [ MATCH --toolset=(.*) : $(ARGV) ] ;
Index: tools/build/v2/tools/msvc.jam
===================================================================
--- tools/build/v2/tools/msvc.jam	(revision 76005)
+++ tools/build/v2/tools/msvc.jam	(working copy)
@@ -736,8 +736,12 @@
             # 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 10)" : $(command) ]
+            if [ MATCH "(Microsoft Visual Studio 11)" : $(command) ]
             {
+                version = 11.0 ;
+            }
+            else if [ MATCH "(Microsoft Visual Studio 10)" : $(command) ]
+            {
                 version = 10.0 ;
             }
             else if [ MATCH "(Microsoft Visual Studio 9)" : $(command) ]
@@ -1351,7 +1355,7 @@
 
 
 # Known toolset versions, in order of preference.
-.known-versions = 10.0 10.0express 9.0 9.0express 8.0 8.0express 7.1 7.1toolkit 7.0 6.0 ;
+.known-versions = 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 ;
@@ -1360,6 +1364,7 @@
 .version-alias-8 = 8.0 ;
 .version-alias-9 = 9.0 ;
 .version-alias-10 = 10.0 ;
+.version-alias-11 = 11.0 ;
 
 # Names of registry keys containing the Visual C++ installation path (relative
 # to "HKEY_LOCAL_MACHINE\SOFTWARE\\Microsoft").
@@ -1372,6 +1377,7 @@
 .version-9.0express-reg = "VCExpress\\9.0\\Setup\\VC" ;
 .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" ;
 
 # Visual C++ Toolkit 2003 does not store its installation path in the registry.
 # The environment variable 'VCToolkitInstallDir' and the default installation
Index: tools/build/v2/tools/msvc.py
===================================================================
--- tools/build/v2/tools/msvc.py	(revision 76005)
+++ tools/build/v2/tools/msvc.py	(working copy)
@@ -646,6 +646,8 @@
             # version from the path.
             # FIXME: We currently detect both Microsoft Visual Studio 9.0 and
             # 9.0express as 9.0 here.
+            if re.search("Microsoft Visual Studio 11", command):
+                version = '11.0'
             if re.search("Microsoft Visual Studio 10", command):
                 version = '10.0'
             elif re.search("Microsoft Visual Studio 9", command):
@@ -1154,7 +1156,7 @@
 
 
 # Known toolset versions, in order of preference.
-_known_versions = ['10.0', '10.0express', '9.0', '9.0express', '8.0', '8.0express', '7.1', '7.1toolkit', '7.0', '6.0']
+_known_versions = ['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'
@@ -1163,6 +1165,7 @@
 __version_alias_8 = '8.0'
 __version_alias_9 = '9.0'
 __version_alias_10 = '10.0'
+__version_alias_11 = '11.0'
 
 # Names of registry keys containing the Visual C++ installation path (relative
 # to "HKEY_LOCAL_MACHINE\SOFTWARE\\Microsoft").
@@ -1175,6 +1178,7 @@
 __version_9_0express_reg = "VCExpress\\9.0\\Setup\\VC"
 __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"
 
 # Visual C++ Toolkit 2003 does not store its installation path in the registry.
 # The environment variable 'VCToolkitInstallDir' and the default installation