include(CheckCXXCompilerFlag)

CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)

CHECK_CXX_COMPILER_FLAG("-std=c++0x" COMPILER_SUPPORTS_CXX0X)

if(COMPILER_SUPPORTS_CXX11)

  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")

elseif(COMPILER_SUPPORTS_CXX0X)

  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")

else()

  message(STATUS "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. Please use a different C++ compiler.")

endif()

# default version

set(VERSION_REVISION "0")

# get revision number from mercurial and parse version string

include(GetVersion)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DVERSION_STRING=\\\"${VERSION_STRING}\\\" ")

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DVERSION_REVISION=\\\"${VERSION_REVISION}\\\" ")

# add make run target

add_custom_target(run

    COMMAND ${PROGRAM_NAME}

    DEPENDS ${PROGRAM_NAME}