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			79 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			CMake
		
	
	
	
	
	
			
		
		
	
	
			79 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			CMake
		
	
	
	
	
	
| ########################################################################
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| # Setup the python interpreter:
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| # This allows the user to specify a specific interpreter,
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| # or finds the interpreter via the built-in cmake module.
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| ########################################################################
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| #this allows the user to override PYTHON_EXECUTABLE
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| if(PYTHON_EXECUTABLE)
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| 
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|     set(PYTHONINTERP_FOUND TRUE)
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| 
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| #otherwise if not set, try to automatically find it
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| else(PYTHON_EXECUTABLE)
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| 
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|     #use the built-in find script
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|     set(Python_ADDITIONAL_VERSIONS 3.4 3.5 3.6)
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|     find_package(PythonInterp 2)
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| 
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|     #and if that fails use the find program routine
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|     if(NOT PYTHONINTERP_FOUND)
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|         find_program(PYTHON_EXECUTABLE NAMES python python2 python2.7 python3)
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|         if(PYTHON_EXECUTABLE)
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|             set(PYTHONINTERP_FOUND TRUE)
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|         endif(PYTHON_EXECUTABLE)
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|     endif(NOT PYTHONINTERP_FOUND)
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| 
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| endif(PYTHON_EXECUTABLE)
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| 
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| if (CMAKE_CROSSCOMPILING)
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|     set(QA_PYTHON_EXECUTABLE "/usr/bin/python")
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| else (CMAKE_CROSSCOMPILING)
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|     set(QA_PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE})
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| endif(CMAKE_CROSSCOMPILING)
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| 
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| #make the path to the executable appear in the cmake gui
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| set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE} CACHE FILEPATH "python interpreter")
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| set(QA_PYTHON_EXECUTABLE ${QA_PYTHON_EXECUTABLE} CACHE FILEPATH "python interpreter for QA tests")
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| 
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| #make sure we can use -B with python (introduced in 2.6)
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| if(PYTHON_EXECUTABLE)
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|     execute_process(
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|         COMMAND ${PYTHON_EXECUTABLE} -B -c ""
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|         OUTPUT_QUIET ERROR_QUIET
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|         RESULT_VARIABLE PYTHON_HAS_DASH_B_RESULT
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|     )
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|     if(PYTHON_HAS_DASH_B_RESULT EQUAL 0)
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|         set(PYTHON_DASH_B "-B")
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|     endif()
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| endif(PYTHON_EXECUTABLE)
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| 
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| ########################################################################
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| # Check for the existence of a python module:
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| # - desc a string description of the check
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| # - mod the name of the module to import
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| # - cmd an additional command to run
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| # - have the result variable to set
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| ########################################################################
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| macro(GNSSSDR_PYTHON_CHECK_MODULE desc mod cmd have)
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|     message(STATUS "Python checking for ${desc}")
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|     execute_process(
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|         COMMAND ${PYTHON_EXECUTABLE} -c "
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| #########################################
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| try: import ${mod}
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| except:
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|     try: ${mod}
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|     except: exit(-1)
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| try: assert ${cmd}
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| except: exit(-1)
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| #########################################"
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|         RESULT_VARIABLE ${have}
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|     )
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|     if(${have} EQUAL 0)
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|         message(STATUS "Python checking for ${desc} - found")
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|         set(${have} TRUE)
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|     else(${have} EQUAL 0)
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|         message(STATUS "Python checking for ${desc} - not found")
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|         set(${have} FALSE)
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|     endif(${have} EQUAL 0)
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| endmacro(GNSSSDR_PYTHON_CHECK_MODULE)
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