mirror of
https://github.com/gnss-sdr/gnss-sdr
synced 2024-11-16 06:44:57 +00:00
228 lines
9.0 KiB
CMake
228 lines
9.0 KiB
CMake
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# 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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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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# 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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set(PYTHONINTERP_FOUND TRUE)
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#otherwise if not set, try to automatically find it
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else(PYTHON_EXECUTABLE)
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#use the built-in find script
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find_package(PythonInterp 2)
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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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endif(PYTHON_EXECUTABLE)
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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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#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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# 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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# 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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# 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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# 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" ${ARGN})
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####################################################################
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if(GR_PYTHON_INSTALL_FILES)
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####################################################################
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install(${ARGN}) #installs regular python files
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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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#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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#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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#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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endforeach(pyfile)
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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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#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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#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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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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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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get_filename_component(pyexefile_path ${pyexefile} PATH)
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file(MAKE_DIRECTORY ${pyexefile_path})
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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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#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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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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endif()
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GR_UNIQUE_TARGET("pygen" ${python_install_gen_targets})
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endfunction(GR_PYTHON_INSTALL)
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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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