update FindBoost from cmake git. improve crash handling + boost finding

1 files changed, 580 insertions, 292 deletions

diff --git a/tests/FindBoost.cmake b/tests/FindBoost.cmake
index dfaf660..ea60354 100644
--- a/tests/FindBoost.cmake
+++ b/tests/FindBoost.cmake
@@ -17,8 +17,9 @@
 #
 # == Using actual libraries from within Boost: ==
 #
-#   set(Boost_USE_STATIC_LIBS   ON)
-#   set(Boost_USE_MULTITHREADED ON)
+#   set(Boost_USE_STATIC_LIBS        ON)
+#   set(Boost_USE_MULTITHREADED      ON)
+#   set(Boost_USE_STATIC_RUNTIME    OFF)
 #   find_package( Boost 1.36.0 COMPONENTS date_time filesystem system ... )
 #
 #   if(Boost_FOUND)
@@ -33,7 +34,7 @@
 # Boost that contain header files only (e.g. foreach) you do not need to
 # specify COMPONENTS.
 #
-# You should provide a minimum version number that should be used. If you provide this 
+# You should provide a minimum version number that should be used. If you provide this
 # version number and specify the REQUIRED attribute, this module will fail if it
 # can't find the specified or a later version. If you specify a version number this is
 # automatically put into the considered list of version numbers and thus doesn't need
@@ -63,14 +64,15 @@
 # Currently this module searches for the following version numbers:
 # 1.33, 1.33.0, 1.33.1, 1.34, 1.34.0, 1.34.1, 1.35, 1.35.0, 1.35.1,
 # 1.36, 1.36.0, 1.36.1, 1.37, 1.37.0, 1.38, 1.38.0, 1.39, 1.39.0,
-# 1.40, 1.40.0, 1.41, 1.41.0
+# 1.40, 1.40.0, 1.41, 1.41.0, 1.42, 1.42.0, 1.43, 1.43.0, 1.44, 1.44.0,
+# 1.45, 1.45.0, 1.46, 1.46.0, 1.46.1, 1.47, 1.47.0, 1.48, 1.48.0
 #
 # NOTE: If you add a new major 1.x version in Boost_ADDITIONAL_VERSIONS you should
 # add both 1.x and 1.x.0 as shown above.  Official Boost include directories
 # omit the 3rd version number from include paths if it is 0 although not all
 # binary Boost releases do so.
 #
-# SET(Boost_ADDITIONAL_VERSIONS "1.78" "1.78.0" "1.79" "1.79.0")
+# set(Boost_ADDITIONAL_VERSIONS "1.78" "1.78.0" "1.79" "1.79.0")
 #
 # ===================================== ============= ========================
 #
@@ -84,6 +86,43 @@
 #   Boost_USE_STATIC_LIBS        Can be set to ON to force the use of the static
 #                                boost libraries. Defaults to OFF.
 #
+#   Boost_NO_SYSTEM_PATHS        Set to TRUE to suppress searching in system
+#                                paths (or other locations outside of BOOST_ROOT
+#                                or BOOST_INCLUDEDIR).  Useful when specifying
+#                                BOOST_ROOT. Defaults to OFF.
+#                                  [Since CMake 2.8.3]
+#
+#   Boost_NO_BOOST_CMAKE         Do not do a find_package call in config mode
+#                                before searching for a regular boost install.
+#                                This will avoid finding boost-cmake installs.
+#                                Defaults to OFF.
+#                                  [Since CMake 2.8.6]
+#
+#   Boost_USE_STATIC_RUNTIME     If enabled, searches for boost libraries
+#                                linked against a static C++ standard library
+#                                ('s' ABI tag). This option should be set to
+#                                ON or OFF because the default behavior
+#                                if not specified is platform dependent
+#                                for backwards compatibility.
+#                                  [Since CMake 2.8.3]
+#
+#   Boost_USE_DEBUG_PYTHON       If enabled, searches for boost libraries
+#                                compiled against a special debug build of
+#                                Python ('y' ABI tag). Defaults to OFF.
+#                                  [Since CMake 2.8.3]
+#
+#   Boost_USE_STLPORT            If enabled, searches for boost libraries
+#                                compiled against the STLPort standard
+#                                library ('p' ABI tag). Defaults to OFF.
+#                                  [Since CMake 2.8.3]
+#
+#   Boost_USE_STLPORT_DEPRECATED_NATIVE_IOSTREAMS
+#                                If enabled, searches for boost libraries
+#                                compiled against the deprecated STLPort
+#                                "native iostreams" feature ('n' ABI tag).
+#                                Defaults to OFF.
+#                                  [Since CMake 2.8.3]
+#
 # Other Variables used by this module which you may want to set.
 #
 #   Boost_ADDITIONAL_VERSIONS    A list of version numbers to use for searching
@@ -101,17 +140,58 @@
 #                                unless this is set to TRUE or the REQUIRED
 #                                keyword is specified in find_package().
 #                                  [Since CMake 2.8.0]
-# 
+#
 #   Boost_COMPILER               Set this to the compiler suffix used by Boost
 #                                (e.g. "-gcc43") if FindBoost has problems finding
 #                                the proper Boost installation
 #
+#   Boost_THREADAPI                When building boost.thread, sometimes the name of the
+#                                library contains an additional "pthread" or "win32"
+#                                string known as the threadapi.  This can happen when
+#                                compiling against pthreads on Windows or win32 threads
+#                                on Cygwin.  You may specify this variable and if set
+#                                when FindBoost searches for the Boost threading library
+#                                it will first try to match the threadapi you specify.
+#                                  For Example: libboost_thread_win32-mgw45-mt-1_43.a
+#                                might be found if you specified "win32" here before
+#                                falling back on libboost_thread-mgw45-mt-1_43.a.
+#                                  [Since CMake 2.8.3]
+#
+#   Boost_REALPATH               Resolves symbolic links for discovered boost libraries
+#                                to assist with packaging.  For example, instead of
+#                                Boost_SYSTEM_LIBRARY_RELEASE being resolved to
+#                                "/usr/lib/libboost_system.so" it would be
+#                                "/usr/lib/libboost_system.so.1.42.0" instead.
+#                                This does not affect linking and should not be
+#                                enabled unless the user needs this information.
+#                                  [Since CMake 2.8.3]
+#
+
+
+#
 # These last three variables are available also as environment variables:
+# Also, note they are completely UPPERCASE, except Boost_DIR.
 #
-#   BOOST_ROOT or BOOSTROOT      The preferred installation prefix for searching for
-#                                Boost.  Set this if the module has problems finding
+#   Boost_DIR or                 The preferred installation prefix for searching for
+#   BOOST_ROOT or BOOSTROOT      Boost.  Set this if the module has problems finding
 #                                the proper Boost installation.
 #
+#                                Note that Boost_DIR behaves exactly as <package>_DIR
+#                                variables are documented to behave in find_package's
+#                                Config mode.  That is, if it is set as a -D argument
+#                                to CMake, it must point to the location of the
+#                                BoostConfig.cmake or Boost-config.cmake file.  If it
+#                                is set as an environment variable, it must point to
+#                                the root of the boost installation.  BOOST_ROOT and
+#                                BOOSTROOT, on the other hand, will point to the root
+#                                in either case.
+#
+#                                To prevent falling back on the system paths, set
+#                                Boost_NO_SYSTEM_PATHS to true.
+#
+#                                To avoid finding boost-cmake installations, set
+#                                Boost_NO_BOOST_CMAKE to true.
+#
 #   BOOST_INCLUDEDIR             Set this to the include directory of Boost, if the
 #                                module has problems finding the proper Boost installation
 #
@@ -165,7 +245,7 @@
 # Copyright 2007      Wengo
 # Copyright 2007      Mike Jackson
 # Copyright 2008      Andreas Pakulat <apaku@gmx.de>
-# Copyright 2008-2009 Philip Lowman <philip@yhbt.com>
+# Copyright 2008-2010 Philip Lowman <philip@yhbt.com>
 #
 # Distributed under the OSI-approved BSD License (the "License");
 # see accompanying file Copyright.txt for details.
@@ -174,9 +254,46 @@
 # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 # See the License for more information.
 #=============================================================================
-# (To distributed this file outside of CMake, substitute the full
+# (To distribute this file outside of CMake, substitute the full
 #  License text for the above reference.)
 
+
+#-------------------------------------------------------------------------------
+# Before we go searching, check whether boost-cmake is avaialble, unless the
+# user specifically asked NOT to search for boost-cmake.
+#
+# If Boost_DIR is set, this behaves as any find_package call would. If not,
+# it looks at BOOST_ROOT and BOOSTROOT to find Boost.
+#
+if (NOT Boost_NO_BOOST_CMAKE)
+  # If Boost_DIR is not set, look for BOOSTROOT and BOOST_ROOT as alternatives,
+  # since these are more conventional for Boost.
+  if ("$ENV{Boost_DIR}" STREQUAL "")
+    if (NOT "$ENV{BOOST_ROOT}" STREQUAL "")
+      set(ENV{Boost_DIR} $ENV{BOOST_ROOT})
+    elseif (NOT "$ENV{BOOSTROOT}" STREQUAL "")
+      set(ENV{Boost_DIR} $ENV{BOOSTROOT})
+    endif()
+  endif()
+
+  # Do the same find_package call but look specifically for the CMake version.
+  # Note that args are passed in the Boost_FIND_xxxxx variables, so there is no
+  # need to delegate them to this find_package call.
+  find_package(Boost QUIET NO_MODULE)
+
+  # If we found boost-cmake, then we're done.  Print out what we found.
+  # Otherwise let the rest of the module try to find it.
+  if (Boost_FOUND)
+    message("Boost ${Boost_FIND_VERSION} found.")
+    if (Boost_FIND_COMPONENTS)
+      message("Found Boost components:")
+      message("   ${Boost_FIND_COMPONENTS}")
+    endif()
+    return()
+  endif()
+endif()
+
+
 #-------------------------------------------------------------------------------
 #  FindBoost functions & macros
 #
@@ -192,59 +309,65 @@
 # And ELSE/ENDIF pairs were removed for readability.
 #########################################################################
 
-MACRO (_Boost_ADJUST_LIB_VARS basename)
-  IF (Boost_INCLUDE_DIR )
-    IF (Boost_${basename}_LIBRARY_DEBUG AND Boost_${basename}_LIBRARY_RELEASE)
+macro(_Boost_ADJUST_LIB_VARS basename)
+  if(Boost_INCLUDE_DIR )
+    if(Boost_${basename}_LIBRARY_DEBUG AND Boost_${basename}_LIBRARY_RELEASE)
       # if the generator supports configuration types then set
       # optimized and debug libraries, or if the CMAKE_BUILD_TYPE has a value
-      IF (CMAKE_CONFIGURATION_TYPES OR CMAKE_BUILD_TYPE)
-        SET(Boost_${basename}_LIBRARY optimized ${Boost_${basename}_LIBRARY_RELEASE} debug ${Boost_${basename}_LIBRARY_DEBUG})
-      ELSE()
+      if(CMAKE_CONFIGURATION_TYPES OR CMAKE_BUILD_TYPE)
+        set(Boost_${basename}_LIBRARY optimized ${Boost_${basename}_LIBRARY_RELEASE} debug ${Boost_${basename}_LIBRARY_DEBUG})
+      else()
         # if there are no configuration types and CMAKE_BUILD_TYPE has no value
         # then just use the release libraries
-        SET(Boost_${basename}_LIBRARY ${Boost_${basename}_LIBRARY_RELEASE} )
-      ENDIF()
+        set(Boost_${basename}_LIBRARY ${Boost_${basename}_LIBRARY_RELEASE} )
+      endif()
       # FIXME: This probably should be set for both cases
-      SET(Boost_${basename}_LIBRARIES optimized ${Boost_${basename}_LIBRARY_RELEASE} debug ${Boost_${basename}_LIBRARY_DEBUG})
-    ENDIF()
+      set(Boost_${basename}_LIBRARIES optimized ${Boost_${basename}_LIBRARY_RELEASE} debug ${Boost_${basename}_LIBRARY_DEBUG})
+    endif()
 
     # if only the release version was found, set the debug variable also to the release version
-    IF (Boost_${basename}_LIBRARY_RELEASE AND NOT Boost_${basename}_LIBRARY_DEBUG)
-      SET(Boost_${basename}_LIBRARY_DEBUG ${Boost_${basename}_LIBRARY_RELEASE})
-      SET(Boost_${basename}_LIBRARY       ${Boost_${basename}_LIBRARY_RELEASE})
-      SET(Boost_${basename}_LIBRARIES     ${Boost_${basename}_LIBRARY_RELEASE})
-    ENDIF()
+    if(Boost_${basename}_LIBRARY_RELEASE AND NOT Boost_${basename}_LIBRARY_DEBUG)
+      set(Boost_${basename}_LIBRARY_DEBUG ${Boost_${basename}_LIBRARY_RELEASE})
+      set(Boost_${basename}_LIBRARY       ${Boost_${basename}_LIBRARY_RELEASE})
+      set(Boost_${basename}_LIBRARIES     ${Boost_${basename}_LIBRARY_RELEASE})
+    endif()
 
     # if only the debug version was found, set the release variable also to the debug version
-    IF (Boost_${basename}_LIBRARY_DEBUG AND NOT Boost_${basename}_LIBRARY_RELEASE)
-      SET(Boost_${basename}_LIBRARY_RELEASE ${Boost_${basename}_LIBRARY_DEBUG})
-      SET(Boost_${basename}_LIBRARY         ${Boost_${basename}_LIBRARY_DEBUG})
-      SET(Boost_${basename}_LIBRARIES       ${Boost_${basename}_LIBRARY_DEBUG})
-    ENDIF()
-    
-    IF (Boost_${basename}_LIBRARY)
+    if(Boost_${basename}_LIBRARY_DEBUG AND NOT Boost_${basename}_LIBRARY_RELEASE)
+      set(Boost_${basename}_LIBRARY_RELEASE ${Boost_${basename}_LIBRARY_DEBUG})
+      set(Boost_${basename}_LIBRARY         ${Boost_${basename}_LIBRARY_DEBUG})
+      set(Boost_${basename}_LIBRARIES       ${Boost_${basename}_LIBRARY_DEBUG})
+    endif()
+
+    # If the debug & release library ends up being the same, omit the keywords
+    if(${Boost_${basename}_LIBRARY_RELEASE} STREQUAL ${Boost_${basename}_LIBRARY_DEBUG})
+      set(Boost_${basename}_LIBRARY   ${Boost_${basename}_LIBRARY_RELEASE} )
+      set(Boost_${basename}_LIBRARIES ${Boost_${basename}_LIBRARY_RELEASE} )
+    endif()
+
+    if(Boost_${basename}_LIBRARY)
       set(Boost_${basename}_LIBRARY ${Boost_${basename}_LIBRARY} CACHE FILEPATH "The Boost ${basename} library")
 
       # Remove superfluous "debug" / "optimized" keywords from
       # Boost_LIBRARY_DIRS
-      FOREACH(_boost_my_lib ${Boost_${basename}_LIBRARY})
-        GET_FILENAME_COMPONENT(_boost_my_lib_path "${_boost_my_lib}" PATH)
-        LIST(APPEND Boost_LIBRARY_DIRS ${_boost_my_lib_path})
-      ENDFOREACH()
-      LIST(REMOVE_DUPLICATES Boost_LIBRARY_DIRS)
+      foreach(_boost_my_lib ${Boost_${basename}_LIBRARY})
+        get_filename_component(_boost_my_lib_path "${_boost_my_lib}" PATH)
+        list(APPEND Boost_LIBRARY_DIRS ${_boost_my_lib_path})
+      endforeach()
+      list(REMOVE_DUPLICATES Boost_LIBRARY_DIRS)
 
       set(Boost_LIBRARY_DIRS ${Boost_LIBRARY_DIRS} CACHE FILEPATH "Boost library directory")
-      SET(Boost_${basename}_FOUND ON CACHE INTERNAL "Whether the Boost ${basename} library found")
-    ENDIF(Boost_${basename}_LIBRARY)
+      set(Boost_${basename}_FOUND ON CACHE INTERNAL "Whether the Boost ${basename} library found")
+    endif(Boost_${basename}_LIBRARY)
 
-  ENDIF (Boost_INCLUDE_DIR )
+  endif(Boost_INCLUDE_DIR )
   # Make variables changeble to the advanced user
-  MARK_AS_ADVANCED(
+  mark_as_advanced(
       Boost_${basename}_LIBRARY
       Boost_${basename}_LIBRARY_RELEASE
       Boost_${basename}_LIBRARY_DEBUG
   )
-ENDMACRO (_Boost_ADJUST_LIB_VARS)
+endmacro(_Boost_ADJUST_LIB_VARS)
 
 #-------------------------------------------------------------------------------
 
@@ -252,17 +375,17 @@ ENDMACRO (_Boost_ADJUST_LIB_VARS)
 # Runs compiler with "-dumpversion" and parses major/minor
 # version with a regex.
 #
-FUNCTION(_Boost_COMPILER_DUMPVERSION _OUTPUT_VERSION)
+function(_Boost_COMPILER_DUMPVERSION _OUTPUT_VERSION)
 
-  EXEC_PROGRAM(${CMAKE_CXX_COMPILER}
+  exec_program(${CMAKE_CXX_COMPILER}
     ARGS ${CMAKE_CXX_COMPILER_ARG1} -dumpversion
     OUTPUT_VARIABLE _boost_COMPILER_VERSION
   )
-  STRING(REGEX REPLACE "([0-9])\\.([0-9])(\\.[0-9])?" "\\1\\2"
+  string(REGEX REPLACE "([0-9])\\.([0-9])(\\.[0-9])?" "\\1\\2"
     _boost_COMPILER_VERSION ${_boost_COMPILER_VERSION})
 
-  SET(${_OUTPUT_VERSION} ${_boost_COMPILER_VERSION} PARENT_SCOPE)
-ENDFUNCTION()
+  set(${_OUTPUT_VERSION} ${_boost_COMPILER_VERSION} PARENT_SCOPE)
+endfunction()
 
 #
 # A convenience function for marking desired components
@@ -276,16 +399,45 @@ function(_Boost_MARK_COMPONENTS_FOUND _yes_or_no)
 endfunction()
 
 #
+# Take a list of libraries with "thread" in it
+# and prepend duplicates with "thread_${Boost_THREADAPI}"
+# at the front of the list
+#
+function(_Boost_PREPEND_LIST_WITH_THREADAPI _output)
+  set(_orig_libnames ${ARGN})
+  string(REPLACE "thread" "thread_${Boost_THREADAPI}" _threadapi_libnames ${_orig_libnames})
+  set(${_output} ${_threadapi_libnames} ${_orig_libnames} PARENT_SCOPE)
+endfunction()
+
+#
+# If a library is found, replace its cache entry with its REALPATH
+#
+function(_Boost_SWAP_WITH_REALPATH _library _docstring)
+  if(${_library})
+    get_filename_component(_boost_filepathreal ${${_library}} REALPATH)
+    unset(${_library} CACHE)
+    set(${_library} ${_boost_filepathreal} CACHE FILEPATH "${_docstring}")
+  endif()
+endfunction()
+
+function(_Boost_CHECK_SPELLING _var)
+  if(${_var})
+    string(TOUPPER ${_var} _var_UC)
+    message(FATAL_ERROR "ERROR: ${_var} is not the correct spelling.  The proper spelling is ${_var_UC}.")
+  endif()
+endfunction()
+
+#
 # End functions/macros
-#  
+#
 #-------------------------------------------------------------------------------
 
 
 
 
-IF(NOT DEFINED Boost_USE_MULTITHREADED)
-    SET(Boost_USE_MULTITHREADED TRUE)
-ENDIF()
+if(NOT DEFINED Boost_USE_MULTITHREADED)
+    set(Boost_USE_MULTITHREADED TRUE)
+endif()
 
 if(Boost_FIND_VERSION_EXACT)
   # The version may appear in a directory with or without the patch
@@ -297,6 +449,8 @@ else(Boost_FIND_VERSION_EXACT)
   # The user has not requested an exact version.  Among known
   # versions, find those that are acceptable to the user request.
   set(_Boost_KNOWN_VERSIONS ${Boost_ADDITIONAL_VERSIONS}
+    "1.48.0" "1.48" "1.47.0" "1.47" "1.46.1"
+    "1.46.0" "1.46" "1.45.0" "1.45" "1.44.0" "1.44" "1.43.0" "1.43" "1.42.0" "1.42"
     "1.41.0" "1.41" "1.40.0" "1.40" "1.39.0" "1.39" "1.38.0" "1.38" "1.37.0" "1.37"
     "1.36.1" "1.36.0" "1.36" "1.35.1" "1.35.0" "1.35" "1.34.1" "1.34.0"
     "1.34" "1.33.1" "1.33.0" "1.33")
@@ -325,49 +479,47 @@ endif(Boost_FIND_VERSION_EXACT)
 # Boost.
 set(Boost_ERROR_REASON)
 
-SET( _boost_IN_CACHE TRUE)
-IF(Boost_INCLUDE_DIR)
+set( _boost_IN_CACHE TRUE)
+if(Boost_INCLUDE_DIR)
 
   # On versions < 1.35, remove the System library from the considered list
   # since it wasn't added until 1.35.
   if(Boost_VERSION AND Boost_FIND_COMPONENTS)
-     math(EXPR _boost_maj "${Boost_VERSION} / 100000")
-     math(EXPR _boost_min "${Boost_VERSION} / 100 % 1000")
-     if(${_boost_maj}.${_boost_min} VERSION_LESS 1.35)
+     if(Boost_VERSION LESS 103500)
        list(REMOVE_ITEM Boost_FIND_COMPONENTS system)
      endif()
   endif()
 
-  FOREACH(COMPONENT ${Boost_FIND_COMPONENTS})
-    STRING(TOUPPER ${COMPONENT} COMPONENT)
-    IF(NOT Boost_${COMPONENT}_FOUND)
-      SET( _boost_IN_CACHE FALSE)
-    ENDIF(NOT Boost_${COMPONENT}_FOUND)
-  ENDFOREACH(COMPONENT)
-ELSE(Boost_INCLUDE_DIR)
-  SET( _boost_IN_CACHE FALSE)
-ENDIF(Boost_INCLUDE_DIR)
-
-IF (_boost_IN_CACHE)
+  foreach(COMPONENT ${Boost_FIND_COMPONENTS})
+    string(TOUPPER ${COMPONENT} COMPONENT)
+    if(NOT Boost_${COMPONENT}_FOUND)
+      set( _boost_IN_CACHE FALSE)
+    endif(NOT Boost_${COMPONENT}_FOUND)
+  endforeach(COMPONENT)
+else(Boost_INCLUDE_DIR)
+  set( _boost_IN_CACHE FALSE)
+endif(Boost_INCLUDE_DIR)
+
+if(_boost_IN_CACHE)
   # in cache already
-  SET(Boost_FOUND TRUE)
-  FOREACH(COMPONENT ${Boost_FIND_COMPONENTS})
-    STRING(TOUPPER ${COMPONENT} COMPONENT)
+  set(Boost_FOUND TRUE)
+  foreach(COMPONENT ${Boost_FIND_COMPONENTS})
+    string(TOUPPER ${COMPONENT} COMPONENT)
     _Boost_ADJUST_LIB_VARS( ${COMPONENT} )
-    SET(Boost_LIBRARIES ${Boost_LIBRARIES} ${Boost_${COMPONENT}_LIBRARY})
-  ENDFOREACH(COMPONENT)
-  SET(Boost_INCLUDE_DIRS ${Boost_INCLUDE_DIR})
-  IF(Boost_VERSION AND NOT "${Boost_VERSION}" STREQUAL "0")
-    MATH(EXPR Boost_MAJOR_VERSION "${Boost_VERSION} / 100000")
-    MATH(EXPR Boost_MINOR_VERSION "${Boost_VERSION} / 100 % 1000")
-    MATH(EXPR Boost_SUBMINOR_VERSION "${Boost_VERSION} % 100")
-  ENDIF(Boost_VERSION AND NOT "${Boost_VERSION}" STREQUAL "0")
+    set(Boost_LIBRARIES ${Boost_LIBRARIES} ${Boost_${COMPONENT}_LIBRARY})
+  endforeach(COMPONENT)
+  set(Boost_INCLUDE_DIRS ${Boost_INCLUDE_DIR})
+  if(Boost_VERSION AND NOT "${Boost_VERSION}" STREQUAL "0")
+    math(EXPR Boost_MAJOR_VERSION "${Boost_VERSION} / 100000")
+    math(EXPR Boost_MINOR_VERSION "${Boost_VERSION} / 100 % 1000")
+    math(EXPR Boost_SUBMINOR_VERSION "${Boost_VERSION} % 100")
+  endif(Boost_VERSION AND NOT "${Boost_VERSION}" STREQUAL "0")
   if(Boost_DEBUG)
       message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
                      "boost ${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION}.${Boost_SUBMINOR_VERSION} "
-                     "is already in the cache.  For debugging messages, please clear the cache.")
+                     "is already in the cache.  To view debugging messages, please clear the cache.")
   endif()
-ELSE (_boost_IN_CACHE)
+else(_boost_IN_CACHE)
   # Need to search for boost
   if(Boost_DEBUG)
     message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
@@ -379,9 +531,15 @@ ELSE (_boost_IN_CACHE)
                    "Boost_USE_MULTITHREADED = ${Boost_USE_MULTITHREADED}")
     message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
                    "Boost_USE_STATIC_LIBS = ${Boost_USE_STATIC_LIBS}")
+    message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
+                   "Boost_USE_STATIC_RUNTIME = ${Boost_USE_STATIC_RUNTIME}")
+    message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
+                   "Boost_ADDITIONAL_VERSIONS = ${Boost_ADDITIONAL_VERSIONS}")
+    message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
+                   "Boost_NO_SYSTEM_PATHS = ${Boost_NO_SYSTEM_PATHS}")
   endif()
 
-  IF(WIN32)
+  if(WIN32)
     # In windows, automatic linking is performed, so you do not have
     # to specify the libraries.  If you are linking to a dynamic
     # runtime, then you can choose to link to either a static or a
@@ -390,20 +548,20 @@ ELSE (_boost_IN_CACHE)
     # BOOST_WHATEVER_DYN_LINK to force Boost library "whatever" to be
     # linked dynamically.  Alternatively you can force all Boost
     # libraries to dynamic link by defining BOOST_ALL_DYN_LINK.
-  
+
     # This feature can be disabled for Boost library "whatever" by
     # defining BOOST_WHATEVER_NO_LIB, or for all of Boost by defining
     # BOOST_ALL_NO_LIB.
-  
+
     # If you want to observe which libraries are being linked against
     # then defining BOOST_LIB_DIAGNOSTIC will cause the auto-linking
     # code to emit a #pragma message each time a library is selected
     # for linking.
-    SET(Boost_LIB_DIAGNOSTIC_DEFINITIONS 
+    set(Boost_LIB_DIAGNOSTIC_DEFINITIONS
       "-DBOOST_LIB_DIAGNOSTIC" CACHE STRING "Boost diagnostic define")
-  ENDIF(WIN32)
+  endif(WIN32)
 
-  SET(_boost_INCLUDE_SEARCH_DIRS
+  set(_boost_INCLUDE_SEARCH_DIRS_SYSTEM
     C:/boost/include
     C:/boost
     "$ENV{ProgramFiles}/boost/include"
@@ -411,29 +569,38 @@ ELSE (_boost_IN_CACHE)
     /sw/local/include
   )
 
+  _Boost_CHECK_SPELLING(Boost_ROOT)
+  _Boost_CHECK_SPELLING(Boost_LIBRARYDIR)
+  _Boost_CHECK_SPELLING(Boost_INCLUDEDIR)
+
+  # If BOOST_ROOT was defined in the environment, use it.
+  if (NOT BOOST_ROOT AND NOT $ENV{Boost_DIR} STREQUAL "")
+    set(BOOST_ROOT $ENV{Boost_DIR})
+  endif()
+
   # If BOOST_ROOT was defined in the environment, use it.
   if (NOT BOOST_ROOT AND NOT $ENV{BOOST_ROOT} STREQUAL "")
     set(BOOST_ROOT $ENV{BOOST_ROOT})
-  endif(NOT BOOST_ROOT AND NOT $ENV{BOOST_ROOT} STREQUAL "")
+  endif()
 
   # If BOOSTROOT was defined in the environment, use it.
   if (NOT BOOST_ROOT AND NOT $ENV{BOOSTROOT} STREQUAL "")
     set(BOOST_ROOT $ENV{BOOSTROOT})
-  endif(NOT BOOST_ROOT AND NOT $ENV{BOOSTROOT} STREQUAL "")
+  endif()
 
   # If BOOST_INCLUDEDIR was defined in the environment, use it.
-  IF( NOT $ENV{BOOST_INCLUDEDIR} STREQUAL "" )
+  if( NOT $ENV{BOOST_INCLUDEDIR} STREQUAL "" )
     set(BOOST_INCLUDEDIR $ENV{BOOST_INCLUDEDIR})
-  ENDIF( NOT $ENV{BOOST_INCLUDEDIR} STREQUAL "" )
-  
+  endif()
+
   # If BOOST_LIBRARYDIR was defined in the environment, use it.
-  IF( NOT $ENV{BOOST_LIBRARYDIR} STREQUAL "" )
+  if( NOT $ENV{BOOST_LIBRARYDIR} STREQUAL "" )
     set(BOOST_LIBRARYDIR $ENV{BOOST_LIBRARYDIR})
-  ENDIF( NOT $ENV{BOOST_LIBRARYDIR} STREQUAL "" )
-  
-  IF( BOOST_ROOT )
+  endif()
+
+  if( BOOST_ROOT )
     file(TO_CMAKE_PATH ${BOOST_ROOT} BOOST_ROOT)
-  ENDIF( BOOST_ROOT )
+  endif()
 
   if(Boost_DEBUG)
     message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
@@ -448,50 +615,54 @@ ELSE (_boost_IN_CACHE)
                    "_boost_TEST_VERSIONS = ${_boost_TEST_VERSIONS}")
   endif()
 
-  IF( BOOST_ROOT )
-    SET(_boost_INCLUDE_SEARCH_DIRS 
-      ${BOOST_ROOT}/include 
+  if( Boost_NO_SYSTEM_PATHS)
+    set(_boost_FIND_OPTIONS NO_CMAKE_SYSTEM_PATH)
+  else()
+    set(_boost_INCLUDE_SEARCH_DIRS ${_boost_INCLUDE_SEARCH_DIRS_SYSTEM})
+  endif()
+
+  if( BOOST_ROOT )
+    set(_boost_INCLUDE_SEARCH_DIRS
+      ${BOOST_ROOT}/include
       ${BOOST_ROOT}
       ${_boost_INCLUDE_SEARCH_DIRS})
-  ENDIF( BOOST_ROOT )
+  endif()
 
-  IF( BOOST_INCLUDEDIR )
+  # prepend BOOST_INCLUDEDIR to search path if specified
+  if( BOOST_INCLUDEDIR )
     file(TO_CMAKE_PATH ${BOOST_INCLUDEDIR} BOOST_INCLUDEDIR)
-    SET(_boost_INCLUDE_SEARCH_DIRS 
+    set(_boost_INCLUDE_SEARCH_DIRS
       ${BOOST_INCLUDEDIR} ${_boost_INCLUDE_SEARCH_DIRS})
-  ENDIF( BOOST_INCLUDEDIR )
+  endif( BOOST_INCLUDEDIR )
 
   # ------------------------------------------------------------------------
-  #  Search for Boost include DIR 
+  #  Search for Boost include DIR
   # ------------------------------------------------------------------------
   # Try to find Boost by stepping backwards through the Boost versions
   # we know about.
-  IF( NOT Boost_INCLUDE_DIR )
+  if( NOT Boost_INCLUDE_DIR )
     # Build a list of path suffixes for each version.
-    SET(_boost_PATH_SUFFIXES)
-    FOREACH(_boost_VER ${_boost_TEST_VERSIONS})
+    set(_boost_PATH_SUFFIXES)
+    foreach(_boost_VER ${_boost_TEST_VERSIONS})
       # Add in a path suffix, based on the required version, ideally
       # we could read this from version.hpp, but for that to work we'd
       # need to know the include dir already
       set(_boost_BOOSTIFIED_VERSION)
 
       # Transform 1.35 => 1_35 and 1.36.0 => 1_36_0
-      IF(_boost_VER MATCHES "[0-9]+\\.[0-9]+\\.[0-9]+")
-          STRING(REGEX REPLACE "([0-9]+)\\.([0-9]+)\\.([0-9]+)" "\\1_\\2_\\3" 
+      if(_boost_VER MATCHES "[0-9]+\\.[0-9]+\\.[0-9]+")
+          string(REGEX REPLACE "([0-9]+)\\.([0-9]+)\\.([0-9]+)" "\\1_\\2_\\3"
             _boost_BOOSTIFIED_VERSION ${_boost_VER})
-      ELSEIF(_boost_VER MATCHES "[0-9]+\\.[0-9]+")
-          STRING(REGEX REPLACE "([0-9]+)\\.([0-9]+)" "\\1_\\2" 
+      elseif(_boost_VER MATCHES "[0-9]+\\.[0-9]+")
+          string(REGEX REPLACE "([0-9]+)\\.([0-9]+)" "\\1_\\2"
             _boost_BOOSTIFIED_VERSION ${_boost_VER})
-      ENDIF()
-      
-      list(APPEND _boost_PATH_SUFFIXES "boost-${_boost_BOOSTIFIED_VERSION}")
-      if(WIN32)
-        # For BoostPro's underscores (and others?)
-        list(APPEND _boost_PATH_SUFFIXES "boost_${_boost_BOOSTIFIED_VERSION}")
       endif()
 
-    ENDFOREACH(_boost_VER)
-      
+      list(APPEND _boost_PATH_SUFFIXES "boost-${_boost_BOOSTIFIED_VERSION}")
+      list(APPEND _boost_PATH_SUFFIXES "boost_${_boost_BOOSTIFIED_VERSION}")
+
+    endforeach(_boost_VER)
+
     if(Boost_DEBUG)
       message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
                      "Include debugging info:")
@@ -502,61 +673,62 @@ ELSE (_boost_IN_CACHE)
     endif()
 
     # Look for a standard boost header file.
-    FIND_PATH(Boost_INCLUDE_DIR
+    find_path(Boost_INCLUDE_DIR
       NAMES         boost/config.hpp
       HINTS         ${_boost_INCLUDE_SEARCH_DIRS}
       PATH_SUFFIXES ${_boost_PATH_SUFFIXES}
+      ${_boost_FIND_OPTIONS}
       )
-  ENDIF( NOT Boost_INCLUDE_DIR )
-  
+  endif( NOT Boost_INCLUDE_DIR )
+
   # ------------------------------------------------------------------------
   #  Extract version information from version.hpp
   # ------------------------------------------------------------------------
 
-  IF(Boost_INCLUDE_DIR)
+  if(Boost_INCLUDE_DIR)
     # Extract Boost_VERSION and Boost_LIB_VERSION from version.hpp
     # Read the whole file:
     #
-    SET(BOOST_VERSION 0)
-    SET(BOOST_LIB_VERSION "")
-    FILE(READ "${Boost_INCLUDE_DIR}/boost/version.hpp" _boost_VERSION_HPP_CONTENTS)
+    set(BOOST_VERSION 0)
+    set(BOOST_LIB_VERSION "")
+    file(READ "${Boost_INCLUDE_DIR}/boost/version.hpp" _boost_VERSION_HPP_CONTENTS)
     if(Boost_DEBUG)
       message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
                      "location of version.hpp: ${Boost_INCLUDE_DIR}/boost/version.hpp")
     endif()
-  
-    STRING(REGEX REPLACE ".*#define BOOST_VERSION ([0-9]+).*" "\\1" Boost_VERSION "${_boost_VERSION_HPP_CONTENTS}")
-    STRING(REGEX REPLACE ".*#define BOOST_LIB_VERSION \"([0-9_]+)\".*" "\\1" Boost_LIB_VERSION "${_boost_VERSION_HPP_CONTENTS}")
-  
-    SET(Boost_LIB_VERSION ${Boost_LIB_VERSION} CACHE INTERNAL "The library version string for boost libraries")
-    SET(Boost_VERSION ${Boost_VERSION} CACHE INTERNAL "The version number for boost libraries")
-    
-    IF(NOT "${Boost_VERSION}" STREQUAL "0")
-      MATH(EXPR Boost_MAJOR_VERSION "${Boost_VERSION} / 100000")
-      MATH(EXPR Boost_MINOR_VERSION "${Boost_VERSION} / 100 % 1000")
-      MATH(EXPR Boost_SUBMINOR_VERSION "${Boost_VERSION} % 100")
+
+    string(REGEX REPLACE ".*#define BOOST_VERSION ([0-9]+).*" "\\1" Boost_VERSION "${_boost_VERSION_HPP_CONTENTS}")
+    string(REGEX REPLACE ".*#define BOOST_LIB_VERSION \"([0-9_]+)\".*" "\\1" Boost_LIB_VERSION "${_boost_VERSION_HPP_CONTENTS}")
+
+    set(Boost_LIB_VERSION ${Boost_LIB_VERSION} CACHE INTERNAL "The library version string for boost libraries")
+    set(Boost_VERSION ${Boost_VERSION} CACHE INTERNAL "The version number for boost libraries")
+
+    if(NOT "${Boost_VERSION}" STREQUAL "0")
+      math(EXPR Boost_MAJOR_VERSION "${Boost_VERSION} / 100000")
+      math(EXPR Boost_MINOR_VERSION "${Boost_VERSION} / 100 % 1000")
+      math(EXPR Boost_SUBMINOR_VERSION "${Boost_VERSION} % 100")
 
       set(Boost_ERROR_REASON
           "${Boost_ERROR_REASON}Boost version: ${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION}.${Boost_SUBMINOR_VERSION}\nBoost include path: ${Boost_INCLUDE_DIR}")
-    ENDIF(NOT "${Boost_VERSION}" STREQUAL "0")
+    endif(NOT "${Boost_VERSION}" STREQUAL "0")
     if(Boost_DEBUG)
       message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
                      "version.hpp reveals boost "
                      "${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION}.${Boost_SUBMINOR_VERSION}")
     endif()
-  ELSE(Boost_INCLUDE_DIR)
+  else(Boost_INCLUDE_DIR)
     set(Boost_ERROR_REASON
       "${Boost_ERROR_REASON}Unable to find the Boost header files. Please set BOOST_ROOT to the root directory containing Boost or BOOST_INCLUDEDIR to the directory containing Boost's headers.")
-  ENDIF(Boost_INCLUDE_DIR)
-  
+  endif(Boost_INCLUDE_DIR)
+
   # ------------------------------------------------------------------------
   #  Suffix initialization and compiler suffix detection.
   # ------------------------------------------------------------------------
 
   # Setting some more suffixes for the library
-  SET (Boost_LIB_PREFIX "")
-  if ( WIN32 AND Boost_USE_STATIC_LIBS )
-    SET (Boost_LIB_PREFIX "lib")
+  set(Boost_LIB_PREFIX "")
+  if ( WIN32 AND Boost_USE_STATIC_LIBS AND NOT CYGWIN)
+    set(Boost_LIB_PREFIX "lib")
   endif()
 
   if (Boost_COMPILER)
@@ -571,62 +743,64 @@ ELSE (_boost_IN_CACHE)
     # please report them and use the Boost_COMPILER variable
     # to work around the problems.
     if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel"
-        OR "${CMAKE_CXX_COMPILER}" MATCHES "icl" 
+        OR "${CMAKE_CXX_COMPILER}" MATCHES "icl"
         OR "${CMAKE_CXX_COMPILER}" MATCHES "icpc")
       if(WIN32)
         set (_boost_COMPILER "-iw")
       else()
         set (_boost_COMPILER "-il")
       endif()
-    elseif (MSVC90)
-      SET (_boost_COMPILER "-vc90")
+    elseif (MSVC11)
+      set(_boost_COMPILER "-vc110")
     elseif (MSVC10)
-      SET (_boost_COMPILER "-vc100")
+      set(_boost_COMPILER "-vc100")
+    elseif (MSVC90)
+      set(_boost_COMPILER "-vc90")
     elseif (MSVC80)
-      SET (_boost_COMPILER "-vc80")
+      set(_boost_COMPILER "-vc80")
     elseif (MSVC71)
-      SET (_boost_COMPILER "-vc71")
+      set(_boost_COMPILER "-vc71")
     elseif (MSVC70) # Good luck!
-      SET (_boost_COMPILER "-vc7") # yes, this is correct
+      set(_boost_COMPILER "-vc7") # yes, this is correct
     elseif (MSVC60) # Good luck!
-      SET (_boost_COMPILER "-vc6") # yes, this is correct
+      set(_boost_COMPILER "-vc6") # yes, this is correct
     elseif (BORLAND)
-      SET (_boost_COMPILER "-bcb")
+      set(_boost_COMPILER "-bcb")
     elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "SunPro")
       set(_boost_COMPILER "-sw")
     elseif (MINGW)
       if(${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION} VERSION_LESS 1.34)
-          SET(_boost_COMPILER "-mgw") # no GCC version encoding prior to 1.34
+          set(_boost_COMPILER "-mgw") # no GCC version encoding prior to 1.34
       else()
         _Boost_COMPILER_DUMPVERSION(_boost_COMPILER_VERSION)
-        SET (_boost_COMPILER "-mgw${_boost_COMPILER_VERSION}")
+        set(_boost_COMPILER "-mgw${_boost_COMPILER_VERSION}")
       endif()
     elseif (UNIX)
       if (CMAKE_COMPILER_IS_GNUCXX)
         if(${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION} VERSION_LESS 1.34)
-          SET(_boost_COMPILER "-gcc") # no GCC version encoding prior to 1.34
+          set(_boost_COMPILER "-gcc") # no GCC version encoding prior to 1.34
         else()
           _Boost_COMPILER_DUMPVERSION(_boost_COMPILER_VERSION)
           # Determine which version of GCC we have.
-          IF(APPLE)
-            IF(Boost_MINOR_VERSION)
-              IF(${Boost_MINOR_VERSION} GREATER 35)
+          if(APPLE)
+            if(Boost_MINOR_VERSION)
+              if(${Boost_MINOR_VERSION} GREATER 35)
                 # In Boost 1.36.0 and newer, the mangled compiler name used
                 # on Mac OS X/Darwin is "xgcc".
-                SET(_boost_COMPILER "-xgcc${_boost_COMPILER_VERSION}")
-              ELSE(${Boost_MINOR_VERSION} GREATER 35)
+                set(_boost_COMPILER "-xgcc${_boost_COMPILER_VERSION}")
+              else(${Boost_MINOR_VERSION} GREATER 35)
                 # In Boost <= 1.35.0, there is no mangled compiler name for
                 # the Mac OS X/Darwin version of GCC.
-                SET(_boost_COMPILER "")
-              ENDIF(${Boost_MINOR_VERSION} GREATER 35)
-            ELSE(Boost_MINOR_VERSION)
+                set(_boost_COMPILER "")
+              endif(${Boost_MINOR_VERSION} GREATER 35)
+            else(Boost_MINOR_VERSION)
               # We don't know the Boost version, so assume it's
               # pre-1.36.0.
-              SET(_boost_COMPILER "")
-            ENDIF(Boost_MINOR_VERSION)
-          ELSE()
-            SET (_boost_COMPILER "-gcc${_boost_COMPILER_VERSION}")
-          ENDIF()
+              set(_boost_COMPILER "")
+            endif(Boost_MINOR_VERSION)
+          else()
+            set(_boost_COMPILER "-gcc${_boost_COMPILER_VERSION}")
+          endif()
         endif()
       endif (CMAKE_COMPILER_IS_GNUCXX)
     endif()
@@ -636,7 +810,7 @@ ELSE (_boost_IN_CACHE)
     endif()
   endif(Boost_COMPILER)
 
-  SET (_boost_MULTITHREADED "-mt")
+  set (_boost_MULTITHREADED "-mt")
   if( NOT Boost_USE_MULTITHREADED )
     set (_boost_MULTITHREADED "")
   endif()
@@ -645,32 +819,67 @@ ELSE (_boost_IN_CACHE)
       "_boost_MULTITHREADED = ${_boost_MULTITHREADED}")
   endif()
 
-  SET( _boost_STATIC_TAG "")
-  set( _boost_ABI_TAG "")
-  IF (WIN32)
-    IF(MSVC OR "${CMAKE_CXX_COMPILER}" MATCHES "icl"
+  #======================
+  # Systematically build up the Boost ABI tag
+  # http://boost.org/doc/libs/1_41_0/more/getting_started/windows.html#library-naming
+  set( _boost_RELEASE_ABI_TAG "-")
+  set( _boost_DEBUG_ABI_TAG   "-")
+  # Key       Use this library when:
+  #  s        linking statically to the C++ standard library and
+  #           compiler runtime support libraries.
+  if(Boost_USE_STATIC_RUNTIME)
+    set( _boost_RELEASE_ABI_TAG "${_boost_RELEASE_ABI_TAG}s")
+    set( _boost_DEBUG_ABI_TAG   "${_boost_DEBUG_ABI_TAG}s")
+  endif()
+  #  g        using debug versions of the standard and runtime
+  #           support libraries
+  if(WIN32)
+    if(MSVC OR "${CMAKE_CXX_COMPILER}" MATCHES "icl"
             OR "${CMAKE_CXX_COMPILER}" MATCHES "icpc")
-      SET (_boost_ABI_TAG "g")
-    ENDIF()
-    IF( Boost_USE_STATIC_LIBS )
-      SET( _boost_STATIC_TAG "-s")
-    ENDIF( Boost_USE_STATIC_LIBS )
-  ENDIF(WIN32)
-  SET (_boost_ABI_TAG "${_boost_ABI_TAG}d")
+      set(_boost_DEBUG_ABI_TAG "${_boost_DEBUG_ABI_TAG}g")
+    endif()
+  endif()
+  #  y        using special debug build of python
+  if(Boost_USE_DEBUG_PYTHON)
+    set(_boost_DEBUG_ABI_TAG "${_boost_DEBUG_ABI_TAG}y")
+  endif()
+  #  d        using a debug version of your code
+  set(_boost_DEBUG_ABI_TAG "${_boost_DEBUG_ABI_TAG}d")
+  #  p        using the STLport standard library rather than the
+  #           default one supplied with your compiler
+  if(Boost_USE_STLPORT)
+    set( _boost_RELEASE_ABI_TAG "${_boost_RELEASE_ABI_TAG}p")
+    set( _boost_DEBUG_ABI_TAG   "${_boost_DEBUG_ABI_TAG}p")
+  endif()
+  #  n        using the STLport deprecated "native iostreams" feature
+  if(Boost_USE_STLPORT_DEPRECATED_NATIVE_IOSTREAMS)
+    set( _boost_RELEASE_ABI_TAG "${_boost_RELEASE_ABI_TAG}n")
+    set( _boost_DEBUG_ABI_TAG   "${_boost_DEBUG_ABI_TAG}n")
+  endif()
+
   if(Boost_DEBUG)
     message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
-      "_boost_STATIC_TAG = ${_boost_STATIC_TAG}")
+      "_boost_RELEASE_ABI_TAG = ${_boost_RELEASE_ABI_TAG}")
     message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
-      "_boost_ABI_TAG = ${_boost_ABI_TAG}")
+      "_boost_DEBUG_ABI_TAG = ${_boost_DEBUG_ABI_TAG}")
   endif()
 
   # ------------------------------------------------------------------------
   #  Begin finding boost libraries
   # ------------------------------------------------------------------------
 
-  SET(_boost_LIBRARIES_SEARCH_DIRS
+  if(BOOST_ROOT)
+    set(_boost_LIBRARY_SEARCH_DIRS_ALWAYS
+      ${BOOST_ROOT}/lib
+      ${BOOST_ROOT}/stage/lib)
+  endif()
+  set(_boost_LIBRARY_SEARCH_DIRS_ALWAYS
+    ${_boost_LIBRARY_SEARCH_DIRS_ALWAYS}
     ${Boost_INCLUDE_DIR}/lib
     ${Boost_INCLUDE_DIR}/../lib
+    ${Boost_INCLUDE_DIR}/stage/lib
+  )
+  set(_boost_LIBRARY_SEARCH_DIRS_SYSTEM
     C:/boost/lib
     C:/boost
     "$ENV{ProgramFiles}/boost/boost_${Boost_MAJOR_VERSION}_${Boost_MINOR_VERSION}_${Boost_SUBMINOR_VERSION}/lib"
@@ -679,78 +888,158 @@ ELSE (_boost_IN_CACHE)
     "$ENV{ProgramFiles}/boost"
     /sw/local/lib
   )
-  IF( BOOST_ROOT )
-    SET(_boost_LIBRARIES_SEARCH_DIRS 
-      ${BOOST_ROOT}/lib 
-      ${BOOST_ROOT}/stage/lib 
-      ${_boost_LIBRARIES_SEARCH_DIRS})
-  ENDIF( BOOST_ROOT )
-
-  IF( BOOST_LIBRARYDIR )
+  set(_boost_LIBRARY_SEARCH_DIRS ${_boost_LIBRARY_SEARCH_DIRS_ALWAYS})
+  if( Boost_NO_SYSTEM_PATHS )
+    set(_boost_FIND_OPTIONS NO_CMAKE_SYSTEM_PATH)
+  else()
+    list(APPEND _boost_LIBRARY_SEARCH_DIRS ${_boost_LIBRARY_SEARCH_DIRS_SYSTEM})
+  endif()
+
+  # prepend BOOST_LIBRARYDIR to search path if specified
+  if( BOOST_LIBRARYDIR )
     file(TO_CMAKE_PATH ${BOOST_LIBRARYDIR} BOOST_LIBRARYDIR)
-    SET(_boost_LIBRARIES_SEARCH_DIRS 
-      ${BOOST_LIBRARYDIR} ${_boost_LIBRARIES_SEARCH_DIRS})
-  ENDIF( BOOST_LIBRARYDIR )
+    set(_boost_LIBRARY_SEARCH_DIRS
+      ${BOOST_LIBRARYDIR} ${_boost_LIBRARY_SEARCH_DIRS})
+  endif()
 
   if(Boost_DEBUG)
     message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
-      "_boost_LIBRARIES_SEARCH_DIRS = ${_boost_LIBRARIES_SEARCH_DIRS}")
-  endif()
-
-  FOREACH(COMPONENT ${Boost_FIND_COMPONENTS})
-    STRING(TOUPPER ${COMPONENT} UPPERCOMPONENT)
-    SET( Boost_${UPPERCOMPONENT}_LIBRARY "Boost_${UPPERCOMPONENT}_LIBRARY-NOTFOUND" )
-    SET( Boost_${UPPERCOMPONENT}_LIBRARY_RELEASE "Boost_${UPPERCOMPONENT}_LIBRARY_RELEASE-NOTFOUND" )
-    SET( Boost_${UPPERCOMPONENT}_LIBRARY_DEBUG "Boost_${UPPERCOMPONENT}_LIBRARY_DEBUG-NOTFOUND")
-
-    # Support preference of static libs by adjusting CMAKE_FIND_LIBRARY_SUFFIXES
-    IF( Boost_USE_STATIC_LIBS )
-      SET( _boost_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
-      IF(WIN32)
-        SET(CMAKE_FIND_LIBRARY_SUFFIXES .lib .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
-      ELSE(WIN32)
-        SET(CMAKE_FIND_LIBRARY_SUFFIXES .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
-      ENDIF(WIN32)
-    ENDIF( Boost_USE_STATIC_LIBS )
-
-    FIND_LIBRARY(Boost_${UPPERCOMPONENT}_LIBRARY_RELEASE
-        NAMES  ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}-${Boost_LIB_VERSION}
-               ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_STATIC_TAG}-${Boost_LIB_VERSION}
-               ${Boost_LIB_PREFIX}boost_${COMPONENT}
-               ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}-${Boost_LIB_VERSION}
-               ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_STATIC_TAG}-${Boost_LIB_VERSION}
-               ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}
-               ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_STATIC_TAG}
-        HINTS  ${_boost_LIBRARIES_SEARCH_DIRS}
+      "_boost_LIBRARY_SEARCH_DIRS = ${_boost_LIBRARY_SEARCH_DIRS}")
+  endif()
+
+  # Support preference of static libs by adjusting CMAKE_FIND_LIBRARY_SUFFIXES
+  if( Boost_USE_STATIC_LIBS )
+    set( _boost_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
+    if(WIN32)
+      set(CMAKE_FIND_LIBRARY_SUFFIXES .lib .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
+    else()
+      set(CMAKE_FIND_LIBRARY_SUFFIXES .a )
+    endif()
+  endif()
+
+  # We want to use the tag inline below without risking double dashes
+  if(_boost_RELEASE_ABI_TAG)
+    if(${_boost_RELEASE_ABI_TAG} STREQUAL "-")
+      set(_boost_RELEASE_ABI_TAG "")
+    endif()
+  endif()
+  if(_boost_DEBUG_ABI_TAG)
+    if(${_boost_DEBUG_ABI_TAG} STREQUAL "-")
+      set(_boost_DEBUG_ABI_TAG "")
+    endif()
+  endif()
+
+  # The previous behavior of FindBoost when Boost_USE_STATIC_LIBS was enabled
+  # on WIN32 was to:
+  #  1. Search for static libs compiled against a SHARED C++ standard runtime library (use if found)
+  #  2. Search for static libs compiled against a STATIC C++ standard runtime library (use if found)
+  # We maintain this behavior since changing it could break people's builds.
+  # To disable the ambiguous behavior, the user need only
+  # set Boost_USE_STATIC_RUNTIME either ON or OFF.
+  set(_boost_STATIC_RUNTIME_WORKAROUND false)
+  if(WIN32 AND Boost_USE_STATIC_LIBS)
+    if(NOT DEFINED Boost_USE_STATIC_RUNTIME)
+      set(_boost_STATIC_RUNTIME_WORKAROUND true)
+    endif()
+  endif()
+
+
+  foreach(COMPONENT ${Boost_FIND_COMPONENTS})
+    string(TOUPPER ${COMPONENT} UPPERCOMPONENT)
+    set( Boost_${UPPERCOMPONENT}_LIBRARY "Boost_${UPPERCOMPONENT}_LIBRARY-NOTFOUND" )
+    set( Boost_${UPPERCOMPONENT}_LIBRARY_RELEASE "Boost_${UPPERCOMPONENT}_LIBRARY_RELEASE-NOTFOUND" )
+    set( Boost_${UPPERCOMPONENT}_LIBRARY_DEBUG "Boost_${UPPERCOMPONENT}_LIBRARY_DEBUG-NOTFOUND")
+
+    set( _boost_docstring_release "Boost ${COMPONENT} library (release)")
+    set( _boost_docstring_debug   "Boost ${COMPONENT} library (debug)")
+
+    #
+    # Find RELEASE libraries
+    #
+    set(_boost_RELEASE_NAMES
+      ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG}-${Boost_LIB_VERSION}
+      ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG}
+      ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG}-${Boost_LIB_VERSION}
+      ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG}
+      ${Boost_LIB_PREFIX}boost_${COMPONENT} )
+    if(_boost_STATIC_RUNTIME_WORKAROUND)
+      set(_boost_RELEASE_STATIC_ABI_TAG "-s${_boost_RELEASE_ABI_TAG}")
+      list(APPEND _boost_RELEASE_NAMES
+        ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG}-${Boost_LIB_VERSION}
+        ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG}
+        ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG}-${Boost_LIB_VERSION}
+        ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG} )
+    endif()
+    if(Boost_THREADAPI AND ${COMPONENT} STREQUAL "thread")
+       _Boost_PREPEND_LIST_WITH_THREADAPI(_boost_RELEASE_NAMES ${_boost_RELEASE_NAMES})
+    endif()
+    if(Boost_DEBUG)
+      message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
+                     "Searching for ${UPPERCOMPONENT}_LIBRARY_RELEASE: ${_boost_RELEASE_NAMES}")
+    endif()
+    find_library(Boost_${UPPERCOMPONENT}_LIBRARY_RELEASE
+        NAMES ${_boost_RELEASE_NAMES}
+        HINTS ${_boost_LIBRARY_SEARCH_DIRS}
+        ${_boost_FIND_OPTIONS}
+        DOC "${_boost_docstring_release}"
     )
 
-    FIND_LIBRARY(Boost_${UPPERCOMPONENT}_LIBRARY_DEBUG
-        NAMES  ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}-${_boost_ABI_TAG}-${Boost_LIB_VERSION}
-               ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_STATIC_TAG}${_boost_ABI_TAG}-${Boost_LIB_VERSION}
-               ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}-${_boost_ABI_TAG}-${Boost_LIB_VERSION}
-               ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_STATIC_TAG}${_boost_ABI_TAG}-${Boost_LIB_VERSION}
-               ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}-${_boost_ABI_TAG}
-               ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_STATIC_TAG}${_boost_ABI_TAG}
-               ${Boost_LIB_PREFIX}boost_${COMPONENT}-${_boost_ABI_TAG}
-        HINTS  ${_boost_LIBRARIES_SEARCH_DIRS}
+    #
+    # Find DEBUG libraries
+    #
+    set(_boost_DEBUG_NAMES
+      ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG}-${Boost_LIB_VERSION}
+      ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG}
+      ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG}-${Boost_LIB_VERSION}
+      ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG}
+      ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}
+      ${Boost_LIB_PREFIX}boost_${COMPONENT} )
+    if(_boost_STATIC_RUNTIME_WORKAROUND)
+      set(_boost_DEBUG_STATIC_ABI_TAG "-s${_boost_DEBUG_ABI_TAG}")
+      list(APPEND _boost_DEBUG_NAMES
+        ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG}-${Boost_LIB_VERSION}
+        ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG}
+        ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG}-${Boost_LIB_VERSION}
+        ${Boost_LIB_PREFIX}boost_${COMPONENT}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG} )
+    endif()
+    if(Boost_THREADAPI AND ${COMPONENT} STREQUAL "thread")
+       _Boost_PREPEND_LIST_WITH_THREADAPI(_boost_DEBUG_NAMES ${_boost_DEBUG_NAMES})
+    endif()
+    if(Boost_DEBUG)
+      message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
+                     "Searching for ${UPPERCOMPONENT}_LIBRARY_DEBUG: ${_boost_DEBUG_NAMES}")
+    endif()
+    find_library(Boost_${UPPERCOMPONENT}_LIBRARY_DEBUG
+        NAMES ${_boost_DEBUG_NAMES}
+        HINTS ${_boost_LIBRARY_SEARCH_DIRS}
+        ${_boost_FIND_OPTIONS}
+        DOC "${_boost_docstring_debug}"
     )
 
+    if(Boost_REALPATH)
+      _Boost_SWAP_WITH_REALPATH(Boost_${UPPERCOMPONENT}_LIBRARY_RELEASE "${_boost_docstring_release}")
+      _Boost_SWAP_WITH_REALPATH(Boost_${UPPERCOMPONENT}_LIBRARY_DEBUG   "${_boost_docstring_debug}"  )
+    endif()
+
     _Boost_ADJUST_LIB_VARS(${UPPERCOMPONENT})
-    IF( Boost_USE_STATIC_LIBS )
-      SET(CMAKE_FIND_LIBRARY_SUFFIXES ${_boost_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})
-    ENDIF( Boost_USE_STATIC_LIBS )
-  ENDFOREACH(COMPONENT)
+
+  endforeach(COMPONENT)
+
+  # Restore the original find library ordering
+  if( Boost_USE_STATIC_LIBS )
+    set(CMAKE_FIND_LIBRARY_SUFFIXES ${_boost_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})
+  endif()
   # ------------------------------------------------------------------------
   #  End finding boost libraries
   # ------------------------------------------------------------------------
 
-  SET(Boost_INCLUDE_DIRS
+  set(Boost_INCLUDE_DIRS
     ${Boost_INCLUDE_DIR}
   )
 
-  SET(Boost_FOUND FALSE)
-  IF(Boost_INCLUDE_DIR)
-    SET( Boost_FOUND TRUE )
+  set(Boost_FOUND FALSE)
+  if(Boost_INCLUDE_DIR)
+    set( Boost_FOUND TRUE )
 
     # Check the version of Boost against the requested version.
     if (Boost_FIND_VERSION AND NOT Boost_FIND_VERSION_MINOR)
@@ -785,7 +1074,7 @@ ELSE (_boost_IN_CACHE)
       if (NOT Boost_FIND_VERSION_PATCH)
         set(Boost_FIND_VERSION_PATCH 0)
       endif (NOT Boost_FIND_VERSION_PATCH)
-      
+
       # We'll set Boost_FOUND true again if we have an exact version match.
       set(Boost_FOUND FALSE)
       _Boost_MARK_COMPONENTS_FOUND(OFF)
@@ -804,7 +1093,7 @@ ELSE (_boost_IN_CACHE)
       set(Boost_ERROR_REASON
         "${Boost_ERROR_REASON}\nDetected version of Boost is too ${_Boost_VERSION_AGE}. Requested version was ${Boost_FIND_VERSION_MAJOR}.${Boost_FIND_VERSION_MINOR}")
       if (Boost_FIND_VERSION_PATCH)
-        set(Boost_ERROR_REASON 
+        set(Boost_ERROR_REASON
           "${Boost_ERROR_REASON}.${Boost_FIND_VERSION_PATCH}")
       endif (Boost_FIND_VERSION_PATCH)
       if (NOT Boost_FIND_VERSION_EXACT)
@@ -823,7 +1112,7 @@ ELSE (_boost_IN_CACHE)
         string(TOLOWER ${COMPONENT} COMPONENT)
         list(APPEND _Boost_MISSING_COMPONENTS ${COMPONENT})
         set( Boost_FOUND FALSE)
-      endif(NOT Boost_${COMPONENT}_FOUND)
+      endif()
     endforeach(COMPONENT)
 
     if(Boost_DEBUG)
@@ -844,67 +1133,67 @@ ELSE (_boost_IN_CACHE)
       list(LENGTH _Boost_MISSING_COMPONENTS Boost_NUM_MISSING_COMPONENTS)
       if (${Boost_NUM_COMPONENTS_WANTED} EQUAL ${Boost_NUM_MISSING_COMPONENTS})
         set(Boost_ERROR_REASON
-          "${Boost_ERROR_REASON}No Boost libraries were found. You may need to set Boost_LIBRARYDIR to the directory containing Boost libraries or BOOST_ROOT to the location of Boost.")
+          "${Boost_ERROR_REASON}No Boost libraries were found. You may need to set BOOST_LIBRARYDIR to the directory containing Boost libraries or BOOST_ROOT to the location of Boost.")
       else (${Boost_NUM_COMPONENTS_WANTED} EQUAL ${Boost_NUM_MISSING_COMPONENTS})
         set(Boost_ERROR_REASON
-          "${Boost_ERROR_REASON}Some (but not all) of the required Boost libraries were found. You may need to install these additional Boost libraries. Alternatively, set Boost_LIBRARYDIR to the directory containing Boost libraries or BOOST_ROOT to the location of Boost.")
+          "${Boost_ERROR_REASON}Some (but not all) of the required Boost libraries were found. You may need to install these additional Boost libraries. Alternatively, set BOOST_LIBRARYDIR to the directory containing Boost libraries or BOOST_ROOT to the location of Boost.")
       endif (${Boost_NUM_COMPONENTS_WANTED} EQUAL ${Boost_NUM_MISSING_COMPONENTS})
     endif (_Boost_MISSING_COMPONENTS)
 
-    IF( NOT Boost_LIBRARY_DIRS AND NOT _boost_CHECKED_COMPONENT )
+    if( NOT Boost_LIBRARY_DIRS AND NOT _boost_CHECKED_COMPONENT )
       # Compatibility Code for backwards compatibility with CMake
       # 2.4's FindBoost module.
 
       # Look for the boost library path.
       # Note that the user may not have installed any libraries
       # so it is quite possible the Boost_LIBRARY_PATH may not exist.
-      SET(_boost_LIB_DIR ${Boost_INCLUDE_DIR})
-    
-      IF("${_boost_LIB_DIR}" MATCHES "boost-[0-9]+")
-        GET_FILENAME_COMPONENT(_boost_LIB_DIR ${_boost_LIB_DIR} PATH)
-      ENDIF ("${_boost_LIB_DIR}" MATCHES "boost-[0-9]+")
-    
-      IF("${_boost_LIB_DIR}" MATCHES "/include$")
+      set(_boost_LIB_DIR ${Boost_INCLUDE_DIR})
+
+      if("${_boost_LIB_DIR}" MATCHES "boost-[0-9]+")
+        get_filename_component(_boost_LIB_DIR ${_boost_LIB_DIR} PATH)
+      endif()
+
+      if("${_boost_LIB_DIR}" MATCHES "/include$")
         # Strip off the trailing "/include" in the path.
-        GET_FILENAME_COMPONENT(_boost_LIB_DIR ${_boost_LIB_DIR} PATH)
-      ENDIF("${_boost_LIB_DIR}" MATCHES "/include$")
-    
-      IF(EXISTS "${_boost_LIB_DIR}/lib")
-        SET (_boost_LIB_DIR ${_boost_LIB_DIR}/lib)
-      ELSE(EXISTS "${_boost_LIB_DIR}/lib")
-        IF(EXISTS "${_boost_LIB_DIR}/stage/lib")
-          SET(_boost_LIB_DIR ${_boost_LIB_DIR}/stage/lib)
-        ELSE(EXISTS "${_boost_LIB_DIR}/stage/lib")
-          SET(_boost_LIB_DIR "")
-        ENDIF(EXISTS "${_boost_LIB_DIR}/stage/lib")
-      ENDIF(EXISTS "${_boost_LIB_DIR}/lib")
-    
-      IF(_boost_LIB_DIR AND EXISTS "${_boost_LIB_DIR}")
-        SET(Boost_LIBRARY_DIRS ${_boost_LIB_DIR} CACHE FILEPATH "Boost library directory")
-      ENDIF(_boost_LIB_DIR AND EXISTS "${_boost_LIB_DIR}")
-
-    ENDIF( NOT Boost_LIBRARY_DIRS AND NOT _boost_CHECKED_COMPONENT )
-
-  ELSE(Boost_INCLUDE_DIR)
-    SET( Boost_FOUND FALSE)
-  ENDIF(Boost_INCLUDE_DIR)
-
-  IF (Boost_FOUND)
-      IF (NOT Boost_FIND_QUIETLY)
-        MESSAGE(STATUS "Boost version: ${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION}.${Boost_SUBMINOR_VERSION}")
+        get_filename_component(_boost_LIB_DIR ${_boost_LIB_DIR} PATH)
+      endif()
+
+      if(EXISTS "${_boost_LIB_DIR}/lib")
+        set(_boost_LIB_DIR ${_boost_LIB_DIR}/lib)
+      else()
+        if(EXISTS "${_boost_LIB_DIR}/stage/lib")
+          set(_boost_LIB_DIR ${_boost_LIB_DIR}/stage/lib)
+        else()
+          set(_boost_LIB_DIR "")
+        endif()
+      endif()
+
+      if(_boost_LIB_DIR AND EXISTS "${_boost_LIB_DIR}")
+        set(Boost_LIBRARY_DIRS ${_boost_LIB_DIR} CACHE FILEPATH "Boost library directory")
+      endif()
+
+    endif( NOT Boost_LIBRARY_DIRS AND NOT _boost_CHECKED_COMPONENT )
+
+  else(Boost_INCLUDE_DIR)
+    set( Boost_FOUND FALSE)
+  endif(Boost_INCLUDE_DIR)
+
+  if(Boost_FOUND)
+      if(NOT Boost_FIND_QUIETLY)
+        message(STATUS "Boost version: ${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION}.${Boost_SUBMINOR_VERSION}")
         if(Boost_FIND_COMPONENTS)
           message(STATUS "Found the following Boost libraries:")
         endif()
-      ENDIF(NOT Boost_FIND_QUIETLY)
-      FOREACH ( COMPONENT  ${Boost_FIND_COMPONENTS} )
-        STRING( TOUPPER ${COMPONENT} UPPERCOMPONENT )
-        IF ( Boost_${UPPERCOMPONENT}_FOUND )
-          IF (NOT Boost_FIND_QUIETLY)
-            MESSAGE (STATUS "  ${COMPONENT}")
-          ENDIF(NOT Boost_FIND_QUIETLY)
-          SET(Boost_LIBRARIES ${Boost_LIBRARIES} ${Boost_${UPPERCOMPONENT}_LIBRARY})
-        ENDIF ( Boost_${UPPERCOMPONENT}_FOUND )
-      ENDFOREACH(COMPONENT)
+      endif(NOT Boost_FIND_QUIETLY)
+      foreach( COMPONENT  ${Boost_FIND_COMPONENTS} )
+        string( TOUPPER ${COMPONENT} UPPERCOMPONENT )
+        if( Boost_${UPPERCOMPONENT}_FOUND )
+          if(NOT Boost_FIND_QUIETLY)
+            message (STATUS "  ${COMPONENT}")
+          endif(NOT Boost_FIND_QUIETLY)
+          set(Boost_LIBRARIES ${Boost_LIBRARIES} ${Boost_${UPPERCOMPONENT}_LIBRARY})
+        endif( Boost_${UPPERCOMPONENT}_FOUND )
+      endforeach(COMPONENT)
   else()
     if(Boost_FIND_REQUIRED)
       message(SEND_ERROR "Unable to find the requested Boost libraries.\n${Boost_ERROR_REASON}")
@@ -924,9 +1213,8 @@ ELSE (_boost_IN_CACHE)
   endif()
 
   # show the Boost_INCLUDE_DIRS AND Boost_LIBRARIES variables only in the advanced view
-  MARK_AS_ADVANCED(Boost_INCLUDE_DIR
+  mark_as_advanced(Boost_INCLUDE_DIR
       Boost_INCLUDE_DIRS
       Boost_LIBRARY_DIRS
   )
-ENDIF(_boost_IN_CACHE)
-
+endif(_boost_IN_CACHE)