Merge commit 'c1d65c7f1f6836d4fe961c0a54ea11ff8fdfc62d' as 'cmake'

cmake/MSVCMultipleProcessCompile.cmake

@@ -0,0 +1,31 @@
+# - Compile with multiple processes on MSVC
+#
+#  include(MSVCMultipleProcessCompile)
+#
+# Requires these CMake modules:
+#  ListCombinations.cmake
+#
+# Original Author:
+# 2009-2010 Ryan Pavlik <rpavlik@iastate.edu> <abiryan@ryand.net>
+# http://academic.cleardefinition.com
+# Iowa State University HCI Graduate Program/VRAC
+#
+#          Copyright Iowa State University 2009-2010
+# Distributed under the Boost Software License, Version 1.0.
+#    (See accompanying file LICENSE_1_0.txt or copy at
+#          http://www.boost.org/LICENSE_1_0.txt)
+
+if(MSVC AND NOT "${MSVC_VERSION}" LESS 1400)
+	# Only available in VS 2005 and newer
+	string(TOUPPER "${CMAKE_CONFIGURATION_TYPES}" _conftypesUC)
+	include(ListCombinations)
+	list_combinations(_varnames
+		PREFIXES
+		CMAKE_C_FLAGS_
+		CMAKE_CXX_FLAGS_
+		SUFFIXES
+		${_conftypesUC})
+	foreach(_var ${_varnames})
+		set(${_var} "${${_var}} /MP")
+	endforeach()
+endif()