option (WITH_PYTHON
     "Allow Python->YAP  and YAP->Python" ON)

IF (WITH_PYTHON)

#BREW install for Python3


if (APPLE)
    message( " try brew setup ")
    foreach (i 3.6 3.5 3.4 3.3 3.2 3.1 3.0)
      set (PYTHON_INCLUDE_DIRS /usr/local/Frameworks/Python.framework/Versions/${i}/Headers)
      message("Trying Python ${i}")
      if (EXISTS ${PYTHON_INCLUDE_DIRS})
          set (PYTHON_EXECUTABLE /usr/local/bin/python${i} CACHE FILEPATH  "Path to a program" FORCE )
        set (PYTHON_INCLUDE_DIR /usr/local/Frameworks/Python.framework/Versions/${i}/include/python${i}m
        CACHE PATH "Path to a file." FORCE   )
        set (PYTHON_LIBRARY /usr/local/Frameworks/Python.framework/Versions/${i}/lib/libpython${i}.dylib
        CACHE FILEPATH  "Path to a library" FORCE )
        break()
      endif()
    endforeach()
    message( " try ports setup ")
    foreach (i 3.6 3.5 3.4 3.3 3.2 3.1 3.0)
      set (PYTHON_INCLUDE_DIRS /opt/local/Library/Frameworks/Python.framework/Versions/${i}/Headers)
      message("Trying Python ${i}")
      if (EXISTS ${PYTHON_INCLUDE_DIRS})
          set (PYTHON_EXECUTABLE /opt/local/bin/python${i} CACHE FILEPATH  "Path to a program" FORCE )
        set (PYTHON_INCLUDE_DIR /opt/local/Library/Frameworks/Python.framework/Versions/${i}/Headers
        CACHE PATH "Path to a file." FORCE   )
        set (PYTHON_LIBRARY /opt/local/Library/Frameworks/Python.framework/Versions/${i}/lib/libpython${i}.dylib
        CACHE FILEPATH  "Path to a library" FORCE )
        break()
      endif()
    endforeach()
else()
set (Python_ADDITIONAL_VERSIONS 3.6 3.5 3.4 3.3 3.2 3.1 3.0 2.8 2.6 2.5)
endif()

find_package(PythonInterp)
find_package(PythonLibs)

 macro_log_feature (PYTHONLIBS_FOUND "Python"
   "Use Python System"
	   "http://www.python.org" FALSE)

#include_directories( ${PYTHON_INCLUDE_DIRS} )

set( CMAKE_REQUIRED_INCLUDES ${PYTHON_INCLUDE_DIRS}  ${CMAKE_REQUIRED_INCLUDES}	)
check_include_file(Python.h HAVE_PYTHON_H)

endif(WITH_PYTHON)