diff --git a/Modules/CPackRPM.cmake b/Modules/CPackRPM.cmake
index e905bc6..866c61e 100644
--- a/Modules/CPackRPM.cmake
+++ b/Modules/CPackRPM.cmake
@@ -887,6 +887,19 @@
 #
 #  * Mandatory : YES
 #  * Default   : "/"
+#
+# .. VARIABLE:: CPACK_RPM_BUILDREQUIRES
+#
+#  List of source rpm build dependencies.
+#
+#  * Mandatory : NO
+#  * Default   : -
+#
+#  May be used to set source RPM build dependencies (BuildRequires). Note that
+#  you must enclose the complete build requirements string between quotes, for
+#  example::
+#
+#   set(CPACK_RPM_BUILDREQUIRES "python >= 2.5.0, cmake >= 2.8")
 
 # Author: Eric Noulard with the help of Alexander Neundorf.
 
diff --git a/Modules/FindBoost.cmake b/Modules/FindBoost.cmake
index 2dd08e1..093d8c9 100644
--- a/Modules/FindBoost.cmake
+++ b/Modules/FindBoost.cmake
@@ -127,7 +127,10 @@
 #                              ('n' tag).  Default is OFF.
 #   Boost_COMPILER           - Set to the compiler-specific library suffix
 #                              (e.g. "-gcc43").  Default is auto-computed
-#                              for the C++ compiler in use.
+#                              for the C++ compiler in use.  A list may be
+#                              used if multiple compatible suffixes should
+#                              be tested for, in decreasing order of
+#                              preference.
 #   Boost_THREADAPI          - Suffix for "thread" component library name,
 #                              such as "pthread" or "win32".  Names with
 #                              and without this suffix will both be tried.
@@ -428,7 +431,7 @@
     set(_boost_COMPILER "-ghs")
   elseif("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xMSVC")
     if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.10)
-      set(_boost_COMPILER "-vc141")
+      set(_boost_COMPILER "-vc141;-vc140")
     elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19)
       set(_boost_COMPILER "-vc140")
     elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 18)
@@ -893,7 +896,7 @@
 # This function would append corresponding directories if MSVC is a current compiler,
 # so having `BOOST_ROOT` would be enough to specify to find everything.
 #
-macro(_Boost_UPDATE_WINDOWS_LIBRARY_SEARCH_DIRS_WITH_PREBUILT_PATHS componentlibvar basedir)
+function(_Boost_UPDATE_WINDOWS_LIBRARY_SEARCH_DIRS_WITH_PREBUILT_PATHS componentlibvar basedir)
   if("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xMSVC")
     if(CMAKE_SIZEOF_VOID_P EQUAL 8)
       set(_arch_suffix 64)
@@ -901,7 +904,8 @@
       set(_arch_suffix 32)
     endif()
     if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.10)
-      list(APPEND ${componentlibvar} ${basedir}/lib${_arch_suffix}-msvc-15.0)
+      list(APPEND ${componentlibvar} ${basedir}/lib${_arch_suffix}-msvc-14.1)
+      list(APPEND ${componentlibvar} ${basedir}/lib${_arch_suffix}-msvc-14.0)
     elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19)
       list(APPEND ${componentlibvar} ${basedir}/lib${_arch_suffix}-msvc-14.0)
     elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 18)
@@ -915,8 +919,9 @@
     elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 14)
       list(APPEND ${componentlibvar} ${basedir}/lib${_arch_suffix}-msvc-8.0)
     endif()
+    set(${componentlibvar} ${${componentlibvar}} PARENT_SCOPE)
   endif()
-endmacro()
+endfunction()
 
 #
 # End functions/macros
@@ -1119,6 +1124,12 @@
   if( Boost_NO_SYSTEM_PATHS)
     list(APPEND _boost_INCLUDE_SEARCH_DIRS NO_CMAKE_SYSTEM_PATH NO_SYSTEM_ENVIRONMENT_PATH)
   else()
+    if("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xMSVC")
+      foreach(ver ${_Boost_KNOWN_VERSIONS})
+        string(REPLACE "." "_" ver "${ver}")
+        list(APPEND _boost_INCLUDE_SEARCH_DIRS PATHS "C:/local/boost_${ver}")
+      endforeach()
+    endif()
     list(APPEND _boost_INCLUDE_SEARCH_DIRS PATHS
       C:/boost/include
       C:/boost
@@ -1392,12 +1403,16 @@
     if( Boost_NO_SYSTEM_PATHS )
       list(APPEND _boost_LIBRARY_SEARCH_DIRS_${c} NO_CMAKE_SYSTEM_PATH NO_SYSTEM_ENVIRONMENT_PATH)
     else()
+      foreach(ver ${_Boost_KNOWN_VERSIONS})
+        string(REPLACE "." "_" ver "${ver}")
+        _Boost_UPDATE_WINDOWS_LIBRARY_SEARCH_DIRS_WITH_PREBUILT_PATHS(_boost_LIBRARY_SEARCH_DIRS_${c} "C:/local/boost_${ver}")
+      endforeach()
+      _Boost_UPDATE_WINDOWS_LIBRARY_SEARCH_DIRS_WITH_PREBUILT_PATHS(_boost_LIBRARY_SEARCH_DIRS_${c} "C:/boost")
       list(APPEND _boost_LIBRARY_SEARCH_DIRS_${c} PATHS
         C:/boost/lib
         C:/boost
         /sw/local/lib
         )
-      _Boost_UPDATE_WINDOWS_LIBRARY_SEARCH_DIRS_WITH_PREBUILT_PATHS(_boost_LIBRARY_SEARCH_DIRS_${c} "C:/boost")
     endif()
   endif()
 endforeach()
@@ -1524,17 +1539,24 @@
   #
   # Find RELEASE libraries
   #
-  set(_boost_RELEASE_NAMES
-    ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG}-${Boost_LIB_VERSION}
-    ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG}
+  unset(_boost_RELEASE_NAMES)
+  foreach(compiler IN LISTS _boost_COMPILER)
+    list(APPEND _boost_RELEASE_NAMES
+      ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${compiler}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG}-${Boost_LIB_VERSION}
+      ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${compiler}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG} )
+  endforeach()
+  list(APPEND _boost_RELEASE_NAMES
     ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG}-${Boost_LIB_VERSION}
     ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG}
     ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT} )
   if(_boost_STATIC_RUNTIME_WORKAROUND)
     set(_boost_RELEASE_STATIC_ABI_TAG "-s${_boost_RELEASE_ABI_TAG}")
+    foreach(compiler IN LISTS _boost_COMPILER)
+      list(APPEND _boost_RELEASE_NAMES
+        ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${compiler}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG}-${Boost_LIB_VERSION}
+        ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${compiler}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG} )
+    endforeach()
     list(APPEND _boost_RELEASE_NAMES
-      ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG}-${Boost_LIB_VERSION}
-      ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG}
       ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG}-${Boost_LIB_VERSION}
       ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG} )
   endif()
@@ -1565,18 +1587,25 @@
   #
   # Find DEBUG libraries
   #
-  set(_boost_DEBUG_NAMES
-    ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG}-${Boost_LIB_VERSION}
-    ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG}
+  unset(_boost_DEBUG_NAMES)
+  foreach(compiler IN LISTS _boost_COMPILER)
+    list(APPEND _boost_DEBUG_NAMES
+      ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${compiler}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG}-${Boost_LIB_VERSION}
+      ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${compiler}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG} )
+  endforeach()
+  list(APPEND _boost_DEBUG_NAMES
     ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG}-${Boost_LIB_VERSION}
     ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG}
     ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${_boost_MULTITHREADED}
     ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT} )
   if(_boost_STATIC_RUNTIME_WORKAROUND)
     set(_boost_DEBUG_STATIC_ABI_TAG "-s${_boost_DEBUG_ABI_TAG}")
+    foreach(compiler IN LISTS _boost_COMPILER)
+      list(APPEND _boost_DEBUG_NAMES
+        ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${compiler}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG}-${Boost_LIB_VERSION}
+        ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${compiler}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG} )
+    endforeach()
     list(APPEND _boost_DEBUG_NAMES
-      ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG}-${Boost_LIB_VERSION}
-      ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${_boost_COMPILER}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG}
       ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG}-${Boost_LIB_VERSION}
       ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${COMPONENT}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG} )
   endif()
diff --git a/Modules/FindOpenSSL.cmake b/Modules/FindOpenSSL.cmake
index 6259ce1..609bc17 100644
--- a/Modules/FindOpenSSL.cmake
+++ b/Modules/FindOpenSSL.cmake
@@ -145,6 +145,7 @@
     find_library(LIB_EAY_DEBUG
       NAMES
         libcrypto${_OPENSSL_MSVC_ARCH_SUFFIX}${_OPENSSL_MSVC_RT_MODE}d
+        libcrypto${_OPENSSL_MSVC_RT_MODE}d
         libcryptod
         libeay32${_OPENSSL_MSVC_RT_MODE}d
         libeay32d
@@ -157,6 +158,7 @@
     find_library(LIB_EAY_RELEASE
       NAMES
         libcrypto${_OPENSSL_MSVC_ARCH_SUFFIX}${_OPENSSL_MSVC_RT_MODE}
+        libcrypto${_OPENSSL_MSVC_RT_MODE}
         libcrypto
         libeay32${_OPENSSL_MSVC_RT_MODE}
         libeay32
@@ -169,6 +171,7 @@
     find_library(SSL_EAY_DEBUG
       NAMES
         libssl${_OPENSSL_MSVC_ARCH_SUFFIX}${_OPENSSL_MSVC_RT_MODE}d
+        libssl${_OPENSSL_MSVC_RT_MODE}d
         libssld
         ssleay32${_OPENSSL_MSVC_RT_MODE}d
         ssleay32d
@@ -181,6 +184,7 @@
     find_library(SSL_EAY_RELEASE
       NAMES
         libssl${_OPENSSL_MSVC_ARCH_SUFFIX}${_OPENSSL_MSVC_RT_MODE}
+        libssl${_OPENSSL_MSVC_RT_MODE}
         libssl
         ssleay32${_OPENSSL_MSVC_RT_MODE}
         ssleay32
diff --git a/Source/CMakeVersion.cmake b/Source/CMakeVersion.cmake
index 58497b3..65e7b5d 100644
--- a/Source/CMakeVersion.cmake
+++ b/Source/CMakeVersion.cmake
@@ -2,4 +2,4 @@
 set(CMake_VERSION_MAJOR 3)
 set(CMake_VERSION_MINOR 8)
 set(CMake_VERSION_PATCH 0)
-set(CMake_VERSION_RC 4)
+#set(CMake_VERSION_RC 0)
diff --git a/Source/cmGlobalVisualStudio15Generator.cxx b/Source/cmGlobalVisualStudio15Generator.cxx
index 2312bc0..da2bf8c 100644
--- a/Source/cmGlobalVisualStudio15Generator.cxx
+++ b/Source/cmGlobalVisualStudio15Generator.cxx
@@ -164,7 +164,7 @@
         "HKEY_CURRENT_USER\\SOFTWARE\\Microsoft\\"
         "Windows Kits\\Installed Roots;KitsRoot81",
         win81Root, cmSystemTools::KeyWOW64_32)) {
-    return true;
+    return cmSystemTools::FileExists(win81Root + "/um/windows.h", true);
   }
   return false;
 }
diff --git a/Source/cmSourceGroupCommand.cxx b/Source/cmSourceGroupCommand.cxx
index 5555199..23048bf 100644
--- a/Source/cmSourceGroupCommand.cxx
+++ b/Source/cmSourceGroupCommand.cxx
@@ -2,6 +2,9 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmSourceGroupCommand.h"
 
+#include <algorithm>
+#include <iterator>
+#include <set>
 #include <sstream>
 
 #include "cmMakefile.h"
@@ -34,21 +37,31 @@
 }
 
 std::set<std::string> getSourceGroupFilesPaths(
-  const std::string& currentPath, const std::string& root,
-  const std::vector<std::string>& files)
+  const std::string& root, const std::vector<std::string>& files)
 {
   std::set<std::string> ret;
   const std::string::size_type rootLength = root.length();
 
   for (size_t i = 0; i < files.size(); ++i) {
-    const std::string fullPath = getFullFilePath(currentPath, files[i]);
-
-    ret.insert(fullPath.substr(rootLength + 1)); // +1 to also omnit last '/'
+    ret.insert(files[i].substr(rootLength + 1)); // +1 to also omnit last '/'
   }
 
   return ret;
 }
 
+bool rootIsPrefix(const std::string& root,
+                  const std::vector<std::string>& files, std::string& error)
+{
+  for (size_t i = 0; i < files.size(); ++i) {
+    if (!cmSystemTools::StringStartsWith(files[i], root.c_str())) {
+      error = "ROOT: " + root + " is not a prefix of file: " + files[i];
+      return false;
+    }
+  }
+
+  return true;
+}
+
 cmSourceGroup* addSourceGroup(const std::vector<std::string>& tokenizedPath,
                               cmMakefile& makefile)
 {
@@ -66,7 +79,22 @@
   return sg;
 }
 
-bool addFilesToItsSourceGroups(const std::set<std::string>& sgFilesPaths,
+std::string prepareFilePathForTree(const std::string& path)
+{
+  return cmSystemTools::CollapseFullPath(path);
+}
+
+std::vector<std::string> prepareFilesPathsForTree(
+  std::vector<std::string>::const_iterator begin,
+  std::vector<std::string>::const_iterator end)
+{
+  std::vector<std::string> prepared(std::distance(begin, end));
+  std::transform(begin, end, prepared.begin(), prepareFilePathForTree);
+  return prepared;
+}
+
+bool addFilesToItsSourceGroups(const std::string& root,
+                               const std::set<std::string>& sgFilesPaths,
                                const std::string& prefix, cmMakefile& makefile,
                                std::string& errorMsg)
 {
@@ -91,8 +119,7 @@
         errorMsg = "Could not create source group for file: " + *it;
         return false;
       }
-      const std::string fullPath =
-        getFullFilePath(makefile.GetCurrentSourceDirectory(), *it);
+      const std::string fullPath = getFullFilePath(root, *it);
       sg->AddGroupFile(fullPath);
     }
   }
@@ -231,17 +258,18 @@
     filesBegin = FilesWithPrefixKeywordIndex + 1;
   }
 
-  const std::vector<std::string> filesVector(args.begin() + filesBegin,
-                                             args.end());
+  const std::vector<std::string> filesVector =
+    prepareFilesPathsForTree(args.begin() + filesBegin, args.end());
 
-  std::set<std::string> sourceGroupPaths = getSourceGroupFilesPaths(
-    this->Makefile->GetCurrentSourceDirectory(), root, filesVector);
+  if (!rootIsPrefix(root, filesVector, errorMsg)) {
+    return false;
+  }
 
-  addFilesToItsSourceGroups(sourceGroupPaths, prefix, *(this->Makefile),
-                            errorMsg);
+  std::set<std::string> sourceGroupPaths =
+    getSourceGroupFilesPaths(root, filesVector);
 
-  if (!errorMsg.empty()) {
-    this->SetError(errorMsg);
+  if (!addFilesToItsSourceGroups(root, sourceGroupPaths, prefix,
+                                 *(this->Makefile), errorMsg)) {
     return false;
   }
 
diff --git a/Source/cmVisualStudio10TargetGenerator.cxx b/Source/cmVisualStudio10TargetGenerator.cxx
index 902fe03..cb6afe1 100644
--- a/Source/cmVisualStudio10TargetGenerator.cxx
+++ b/Source/cmVisualStudio10TargetGenerator.cxx
@@ -3194,13 +3194,8 @@
     this->ConvertToWindowsSlash(path);
     (*this->BuildFileStream) << cmVS10EscapeXML(path) << "\">\n";
     this->WriteString("<Project>", 3);
-    if (csproj == this->ProjectType) {
-      (*this->BuildFileStream) << "{";
-    }
-    (*this->BuildFileStream) << this->GlobalGenerator->GetGUID(name.c_str());
-    if (csproj == this->ProjectType) {
-      (*this->BuildFileStream) << "}";
-    }
+    (*this->BuildFileStream)
+      << "{" << this->GlobalGenerator->GetGUID(name.c_str()) << "}";
     (*this->BuildFileStream) << "</Project>\n";
     this->WriteString("<Name>", 3);
     (*this->BuildFileStream) << name << "</Name>\n";
diff --git a/Tests/CMakeOnly/AllFindModules/CMakeLists.txt b/Tests/CMakeOnly/AllFindModules/CMakeLists.txt
index 8f842d6..e6c5270 100644
--- a/Tests/CMakeOnly/AllFindModules/CMakeLists.txt
+++ b/Tests/CMakeOnly/AllFindModules/CMakeLists.txt
@@ -1,10 +1,6 @@
-cmake_minimum_required (VERSION 2.8)
+cmake_minimum_required(VERSION 2.8.4) # new enough for CMP0017
 project(AllFindModules)
 
-if (POLICY CMP0017)
-  cmake_policy(SET CMP0017 NEW)
-endif ()
-
 # Avoid ctest truncation of output
 message(STATUS "CTEST_FULL_OUTPUT")
 
diff --git a/Tests/FindModulesExecuteAll/CMakeLists.txt b/Tests/FindModulesExecuteAll/CMakeLists.txt
index 21b9d38..4893bb3 100644
--- a/Tests/FindModulesExecuteAll/CMakeLists.txt
+++ b/Tests/FindModulesExecuteAll/CMakeLists.txt
@@ -6,8 +6,8 @@
 #
 # I guess more things could be added, like checking whether variables are
 # defined after running the modules (e.g. FOO_FOUND etc.).
+cmake_minimum_required(VERSION 2.8.4) # new enough for CMP0017
 project(FindModulesExecuteAll)
-cmake_minimum_required(VERSION 2.7)
 
 file(GLOB all_modules "${CMAKE_CURRENT_SOURCE_DIR}/../../Modules/Find*cmake")