MSVCMultipleProcessCompile.cmake

# - 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()