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	 19daab3677
			
		
	
	19daab3677
	
	
	
		
			
			git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@479 64b25241-fba3-4117-9849-534c7e92360d
		
			
				
	
	
		
			228 lines
		
	
	
		
			9.0 KiB
		
	
	
	
		
			CMake
		
	
	
	
	
	
			
		
		
	
	
			228 lines
		
	
	
		
			9.0 KiB
		
	
	
	
		
			CMake
		
	
	
	
	
	
| # Copyright 2010-2011 Free Software Foundation, Inc.
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| #
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| # This file is part of GNU Radio
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| #
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| # GNU Radio is free software; you can redistribute it and/or modify
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| # it under the terms of the GNU General Public License as published by
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| # the Free Software Foundation; either version 3, or (at your option)
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| # any later version.
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| #
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| # GNU Radio is distributed in the hope that it will be useful,
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| # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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| # GNU General Public License for more details.
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| #
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| # You should have received a copy of the GNU General Public License
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| # along with GNU Radio; see the file COPYING.  If not, write to
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| # the Free Software Foundation, Inc., 51 Franklin Street,
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| # Boston, MA 02110-1301, USA.
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| 
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| if(DEFINED __INCLUDED_GR_PYTHON_CMAKE)
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|     return()
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| endif()
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| set(__INCLUDED_GR_PYTHON_CMAKE TRUE)
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| 
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| ########################################################################
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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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|     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 python2.6 python2.5)
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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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| #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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| 
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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(GR_PYTHON_CHECK_MODULE desc mod cmd have)
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|     message(STATUS "")
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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: 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(GR_PYTHON_CHECK_MODULE)
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| 
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| ########################################################################
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| # Sets the python installation directory GR_PYTHON_DIR
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| ########################################################################
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| execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "
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| from distutils import sysconfig
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| print sysconfig.get_python_lib(plat_specific=True, prefix='')
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| " OUTPUT_VARIABLE GR_PYTHON_DIR OUTPUT_STRIP_TRAILING_WHITESPACE
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| )
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| file(TO_CMAKE_PATH ${GR_PYTHON_DIR} GR_PYTHON_DIR)
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| 
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| ########################################################################
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| # Create an always-built target with a unique name
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| # Usage: GR_UNIQUE_TARGET(<description> <dependencies list>)
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| ########################################################################
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| function(GR_UNIQUE_TARGET desc)
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|     file(RELATIVE_PATH reldir ${CMAKE_BINARY_DIR} ${CMAKE_CURRENT_BINARY_DIR})
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|     execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "import re, hashlib
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| unique = hashlib.md5('${reldir}${ARGN}').hexdigest()[:5]
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| print(re.sub('\\W', '_', '${desc} ${reldir} ' + unique))"
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|     OUTPUT_VARIABLE _target OUTPUT_STRIP_TRAILING_WHITESPACE)
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|     add_custom_target(${_target} ALL DEPENDS ${ARGN})
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| endfunction(GR_UNIQUE_TARGET)
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| 
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| ########################################################################
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| # Install python sources (also builds and installs byte-compiled python)
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| ########################################################################
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| function(GR_PYTHON_INSTALL)
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|     include(CMakeParseArgumentsCopy)
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|     CMAKE_PARSE_ARGUMENTS(GR_PYTHON_INSTALL "" "DESTINATION;COMPONENT" "FILES;PROGRAMS" ${ARGN})
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| 
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|     ####################################################################
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|     if(GR_PYTHON_INSTALL_FILES)
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|     ####################################################################
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|         install(${ARGN}) #installs regular python files
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| 
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|         #create a list of all generated files
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|         unset(pysrcfiles)
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|         unset(pycfiles)
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|         unset(pyofiles)
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|         foreach(pyfile ${GR_PYTHON_INSTALL_FILES})
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|             get_filename_component(pyfile ${pyfile} ABSOLUTE)
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|             list(APPEND pysrcfiles ${pyfile})
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| 
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|             #determine if this file is in the source or binary directory
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|             file(RELATIVE_PATH source_rel_path ${CMAKE_CURRENT_SOURCE_DIR} ${pyfile})
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|             string(LENGTH "${source_rel_path}" source_rel_path_len)
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|             file(RELATIVE_PATH binary_rel_path ${CMAKE_CURRENT_BINARY_DIR} ${pyfile})
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|             string(LENGTH "${binary_rel_path}" binary_rel_path_len)
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| 
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|             #and set the generated path appropriately
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|             if(${source_rel_path_len} GREATER ${binary_rel_path_len})
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|                 set(pygenfile ${CMAKE_CURRENT_BINARY_DIR}/${binary_rel_path})
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|             else()
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|                 set(pygenfile ${CMAKE_CURRENT_BINARY_DIR}/${source_rel_path})
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|             endif()
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|             list(APPEND pycfiles ${pygenfile}c)
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|             list(APPEND pyofiles ${pygenfile}o)
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| 
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|             #ensure generation path exists
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|             get_filename_component(pygen_path ${pygenfile} PATH)
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|             file(MAKE_DIRECTORY ${pygen_path})
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| 
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|         endforeach(pyfile)
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| 
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|         #the command to generate the pyc files
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|         add_custom_command(
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|             DEPENDS ${pysrcfiles} OUTPUT ${pycfiles}
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|             COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_BINARY_DIR}/python_compile_helper.py ${pysrcfiles} ${pycfiles}
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|         )
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| 
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|         #the command to generate the pyo files
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|         add_custom_command(
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|             DEPENDS ${pysrcfiles} OUTPUT ${pyofiles}
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|             COMMAND ${PYTHON_EXECUTABLE} -O ${CMAKE_BINARY_DIR}/python_compile_helper.py ${pysrcfiles} ${pyofiles}
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|         )
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| 
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|         #create install rule and add generated files to target list
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|         set(python_install_gen_targets ${pycfiles} ${pyofiles})
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|         install(FILES ${python_install_gen_targets}
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|             DESTINATION ${GR_PYTHON_INSTALL_DESTINATION}
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|             COMPONENT ${GR_PYTHON_INSTALL_COMPONENT}
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|         )
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| 
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| 
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|     ####################################################################
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|     elseif(GR_PYTHON_INSTALL_PROGRAMS)
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|     ####################################################################
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|         file(TO_NATIVE_PATH ${PYTHON_EXECUTABLE} pyexe_native)
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| 
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|         foreach(pyfile ${GR_PYTHON_INSTALL_PROGRAMS})
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|             get_filename_component(pyfile_name ${pyfile} NAME)
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|             get_filename_component(pyfile ${pyfile} ABSOLUTE)
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|             string(REPLACE "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" pyexefile "${pyfile}.exe")
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|             list(APPEND python_install_gen_targets ${pyexefile})
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| 
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|             get_filename_component(pyexefile_path ${pyexefile} PATH)
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|             file(MAKE_DIRECTORY ${pyexefile_path})
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| 
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|             add_custom_command(
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|                 OUTPUT ${pyexefile} DEPENDS ${pyfile}
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|                 COMMAND ${PYTHON_EXECUTABLE} -c
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|                 \"open('${pyexefile}', 'w').write('\#!${pyexe_native}\\n'+open('${pyfile}').read())\"
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|                 COMMENT "Shebangin ${pyfile_name}"
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|             )
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| 
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|             #on windows, python files need an extension to execute
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|             get_filename_component(pyfile_ext ${pyfile} EXT)
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|             if(WIN32 AND NOT pyfile_ext)
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|                 set(pyfile_name "${pyfile_name}.py")
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|             endif()
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| 
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|             install(PROGRAMS ${pyexefile} RENAME ${pyfile_name}
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|                 DESTINATION ${GR_PYTHON_INSTALL_DESTINATION}
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|                 COMPONENT ${GR_PYTHON_INSTALL_COMPONENT}
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|             )
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|         endforeach(pyfile)
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| 
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|     endif()
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| 
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|     GR_UNIQUE_TARGET("pygen" ${python_install_gen_targets})
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| 
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| endfunction(GR_PYTHON_INSTALL)
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| 
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| ########################################################################
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| # Write the python helper script that generates byte code files
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| ########################################################################
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| file(WRITE ${CMAKE_BINARY_DIR}/python_compile_helper.py "
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| import sys, py_compile
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| files = sys.argv[1:]
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| srcs, gens = files[:len(files)/2], files[len(files)/2:]
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| for src, gen in zip(srcs, gens):
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|     py_compile.compile(file=src, cfile=gen, doraise=True)
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| ")
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