2018-12-12 00:37:37 +00:00
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# Copyright (C) 2011-2018 (see AUTHORS file for a list of contributors)
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#
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# This file is part of GNSS-SDR.
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#
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# GNSS-SDR 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 of the License, or
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# (at your option) any later version.
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#
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# GNSS-SDR 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 GNSS-SDR. If not, see <https://www.gnu.org/licenses/>.
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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_RAW desc python_code have)
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execute_process(
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COMMAND ${PYTHON_EXECUTABLE} -c "${python_code}"
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OUTPUT_QUIET ERROR_QUIET
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RESULT_VARIABLE return_code
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)
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if(return_code 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()
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message(STATUS "Python checking for ${desc} - not found")
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set(${have} FALSE)
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endif()
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endmacro()
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macro(GNSSSDR_PYTHON_CHECK_MODULE desc mod cmd have)
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gnsssdr_python_check_module_raw(
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"${desc}" "
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#########################################
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try:
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import ${mod}
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assert ${cmd}
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except (ImportError, AssertionError): exit(-1)
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except: pass
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#########################################"
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"${have}")
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endmacro()
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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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if(CMAKE_VERSION VERSION_LESS 3.12)
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if(PYTHON_EXECUTABLE)
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message(STATUS "User set python executable ${PYTHON_EXECUTABLE}")
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string(FIND "${PYTHON_EXECUTABLE}" "python3" IS_PYTHON3)
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if(IS_PYTHON3 EQUAL -1)
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find_package(PythonInterp ${GNSSSDR_PYTHON_MIN_VERSION} REQUIRED)
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else()
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find_package(PythonInterp ${GNSSSDR_PYTHON3_MIN_VERSION} REQUIRED)
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endif()
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gnsssdr_python_check_module("python >= ${GNSSSDR_PYTHON_MIN_VERSION}" sys "sys.version.split()[0] >= '${GNSSSDR_PYTHON_MIN_VERSION}'" PYTHON_MIN_VER_FOUND)
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gnsssdr_python_check_module("mako >= ${GNSSSDR_MAKO_MIN_VERSION}" mako "mako.__version__ >= '${GNSSSDR_MAKO_MIN_VERSION}'" MAKO_FOUND)
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gnsssdr_python_check_module("six - python 2 and 3 compatibility library" six "True" SIX_FOUND)
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else()
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message(STATUS "PYTHON_EXECUTABLE not set - trying by default python2")
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message(STATUS "Use -DPYTHON_EXECUTABLE=/path/to/python3 to build for python3.")
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find_package(PythonInterp ${GNSSSDR_PYTHON_MIN_VERSION})
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if(NOT PYTHONINTERP_FOUND)
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message(STATUS "python2 not found - trying with python3")
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find_package(PythonInterp ${GNSSSDR_PYTHON3_MIN_VERSION} REQUIRED)
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endif()
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gnsssdr_python_check_module("python >= ${GNSSSDR_PYTHON_MIN_VERSION}" sys "sys.version.split()[0] >= '${GNSSSDR_PYTHON_MIN_VERSION}'" PYTHON_MIN_VER_FOUND)
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gnsssdr_python_check_module("mako >= ${GNSSSDR_MAKO_MIN_VERSION}" mako "mako.__version__ >= '${GNSSSDR_MAKO_MIN_VERSION}'" MAKO_FOUND)
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gnsssdr_python_check_module("six - python 2 and 3 compatibility library" six "True" SIX_FOUND)
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endif()
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else()
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find_package(Python3 COMPONENTS Interpreter)
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if(Python3_FOUND)
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set(PYTHON_EXECUTABLE ${Python3_EXECUTABLE})
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set(PYTHON_VERSION_MAJOR ${Python3_VERSION_MAJOR})
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gnsssdr_python_check_module("python >= ${GNSSSDR_PYTHON_MIN_VERSION}" sys "sys.version.split()[0] >= '${GNSSSDR_PYTHON_MIN_VERSION}'" PYTHON_MIN_VER_FOUND)
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gnsssdr_python_check_module("mako >= ${GNSSSDR_MAKO_MIN_VERSION}" mako "mako.__version__ >= '${GNSSSDR_MAKO_MIN_VERSION}'" MAKO_FOUND)
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gnsssdr_python_check_module("six - python 2 and 3 compatibility library" six "True" SIX_FOUND)
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endif()
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if(NOT Python3_FOUND OR NOT MAKO_FOUND OR NOT SIX_FOUND)
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find_package(Python2 COMPONENTS Interpreter)
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if(Python2_FOUND)
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set(PYTHON_EXECUTABLE ${Python2_EXECUTABLE})
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set(PYTHON_VERSION_MAJOR ${Python2_VERSION_MAJOR})
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gnsssdr_python_check_module("python >= ${GNSSSDR_PYTHON_MIN_VERSION}" sys "sys.version.split()[0] >= '${GNSSSDR_PYTHON_MIN_VERSION}'" PYTHON_MIN_VER_FOUND)
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gnsssdr_python_check_module("mako >= ${GNSSSDR_MAKO_MIN_VERSION}" mako "mako.__version__ >= '${GNSSSDR_MAKO_MIN_VERSION}'" MAKO_FOUND)
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gnsssdr_python_check_module("six - python 2 and 3 compatibility library" six "True" SIX_FOUND)
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endif()
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2019-04-08 22:42:10 +00:00
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if(NOT MAKO_FOUND OR NOT SIX_FOUND)
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unset(PYTHON_EXECUTABLE)
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find_package(PythonInterp ${GNSSSDR_PYTHON_MIN_VERSION})
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gnsssdr_python_check_module("python >= ${GNSSSDR_PYTHON_MIN_VERSION}" sys "sys.version.split()[0] >= '${GNSSSDR_PYTHON_MIN_VERSION}'" PYTHON_MIN_VER_FOUND)
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gnsssdr_python_check_module("mako >= ${GNSSSDR_MAKO_MIN_VERSION}" mako "mako.__version__ >= '${GNSSSDR_MAKO_MIN_VERSION}'" MAKO_FOUND)
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gnsssdr_python_check_module("six - python 2 and 3 compatibility library" six "True" SIX_FOUND)
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endif()
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2018-12-12 00:37:37 +00:00
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endif()
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endif()
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if(${PYTHON_VERSION_MAJOR} VERSION_EQUAL 3)
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set(PYTHON3 TRUE)
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endif()
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if(CMAKE_CROSSCOMPILING)
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set(QA_PYTHON_EXECUTABLE "/usr/bin/python")
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else()
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set(QA_PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE})
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endif()
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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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