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147 lines
5.2 KiB
CMake
147 lines
5.2 KiB
CMake
####################### CMakeLists.txt (libopenshot) #########################
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# @brief CMake build file for libopenshot (used to generate Python SWIG bindings)
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# @author Jonathan Thomas <jonathan@openshot.org>
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#
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# @section LICENSE
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#
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# Copyright (c) 2008-2019 OpenShot Studios, LLC
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# <http://www.openshotstudios.com/>. This file is part of
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# OpenShot Library (libopenshot), an open-source project dedicated to
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# delivering high quality video editing and animation solutions to the
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# world. For more information visit <http://www.openshot.org/>.
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#
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# OpenShot Library (libopenshot) is free software: you can redistribute it
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# and/or modify it under the terms of the GNU Lesser General Public License
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# as published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# OpenShot Library (libopenshot) is distributed in the hope that it will be
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# useful, 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 Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
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################################################################################
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############### SWIG PYTHON BINDINGS ################
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find_package(SWIG 3.0 REQUIRED)
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include(${SWIG_USE_FILE})
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### Enable some legacy SWIG behaviors, in newer CMAKEs
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if (POLICY CMP0078)
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cmake_policy(SET CMP0078 OLD)
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endif()
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if (POLICY CMP0086)
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cmake_policy(SET CMP0086 OLD)
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endif()
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find_package(PythonInterp 3)
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find_package(PythonLibs 3)
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if (NOT PYTHONLIBS_FOUND OR NOT PYTHONINTERP_FOUND)
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return()
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endif()
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### Include Python header files
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include_directories(${PYTHON_INCLUDE_PATH})
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if (CMAKE_VERSION VERSION_LESS 3.12)
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### Include project headers
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include_directories(
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"${PROJECT_SOURCE_DIR}/src"
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"${PROJECT_BINARY_DIR}/src")
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endif()
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### Enable C++ in SWIG
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set_property(SOURCE openshot.i PROPERTY CPLUSPLUS ON)
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set_property(SOURCE openshot.i PROPERTY SWIG_MODULE_NAME openshot)
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# Set the SWIG_FLAGS from the library target, IFF its
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# COMPILE_DEFINITIONS property is set (in practice, always true)
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if(CMAKE_VERSION VERSION_GREATER 3.15)
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set(_defs
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$<REMOVE_DUPLICATES:$<TARGET_PROPERTY:openshot,COMPILE_DEFINITIONS>>)
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elseif(CMAKE_VERSION VERSION_GREATER 3.12)
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set(_defs $<TARGET_PROPERTY:openshot,COMPILE_DEFINITIONS>)
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endif()
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if(DEFINED _defs)
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set_property(SOURCE openshot.i PROPERTY
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COMPILE_DEFINITIONS ${_defs})
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else()
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get_property(_defs TARGET openshot PROPERTY COMPILE_DEFINITIONS)
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foreach(_d ${_defs})
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list(APPEND _flags -D${_d})
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endforeach()
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set_property(SOURCE openshot.i PROPERTY
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SWIG_FLAGS ${_flags})
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endif()
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### Suppress a ton of warnings in the generated SWIG C++ code
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set(SWIG_CXX_FLAGS "-Wno-unused-variable -Wno-unused-function \
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-Wno-deprecated-copy -Wno-class-memaccess -Wno-cast-function-type \
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-Wno-unused-parameter -Wno-catch-value -Wno-sign-compare -Wno-ignored-qualifiers")
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separate_arguments(sw_flags UNIX_COMMAND ${SWIG_CXX_FLAGS})
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set_property(SOURCE openshot.i PROPERTY GENERATED_COMPILE_OPTIONS ${sw_flags})
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### Take include dirs from target
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if(CMAKE_VERSION VERSION_GREATER 3.15)
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set(_inc $<REMOVE_DUPLICATES:$<TARGET_PROPERTY:openshot,INCLUDE_DIRECTORIES>>)
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elseif(CMAKE_VERSION VERSION_GREATER 3.12)
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set(_inc $<TARGET_PROPERTY:openshot,INCLUDE_DIRECTORIES>)
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endif()
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if (DEFINED _inc)
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set_property(SOURCE openshot.i PROPERTY INCLUDE_DIRECTORIES ${_inc})
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endif()
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### Add the SWIG interface file (which defines all the SWIG methods)
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if (CMAKE_VERSION VERSION_LESS 3.8.0)
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swig_add_module(pyopenshot python openshot.i)
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else()
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swig_add_library(pyopenshot LANGUAGE python SOURCES openshot.i)
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endif()
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### Set output name of target
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set_target_properties(${SWIG_MODULE_pyopenshot_REAL_NAME} PROPERTIES
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PREFIX "_" OUTPUT_NAME "openshot")
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### Link the new python wrapper library with libopenshot
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target_link_libraries(${SWIG_MODULE_pyopenshot_REAL_NAME} PUBLIC
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${PYTHON_LIBRARIES} openshot)
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######### INSTALL PATH ########
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if (NOT DEFINED PYTHON_MODULE_PATH AND DEFINED $ENV{PYTHON_MODULE_PATH})
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set(PYTHON_MODULE_PATH $ENV{PYTHON_MODULE_PATH})
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endif()
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if (NOT DEFINED PYTHON_MODULE_PATH)
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if (WIN32 OR APPLE)
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set (PYTHON_MODULE_PATH "python")
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endif()
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if (UNIX AND NOT APPLE)
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### Check if the following Debian-friendly python module path exists
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set(PYTHON_MODULE_PATH
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"lib/python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}/dist-packages")
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if (NOT EXISTS "${CMAKE_INSTALL_PREFIX}/${PYTHON_MODULE_PATH}")
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### Calculate the python module path (using distutils)
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execute_process ( COMMAND ${PYTHON_EXECUTABLE} -c "\
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from distutils.sysconfig import get_python_lib; \
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print( get_python_lib( plat_specific=True, prefix='' ) )"
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OUTPUT_VARIABLE PYTHON_MODULE_PATH
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OUTPUT_STRIP_TRAILING_WHITESPACE )
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endif()
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endif()
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endif()
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message(STATUS "PYTHON_MODULE_PATH: ${CMAKE_INSTALL_PREFIX}/${PYTHON_MODULE_PATH}")
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############### INSTALL HEADERS & LIBRARY ################
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### Install Python bindings
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install(TARGETS ${SWIG_MODULE_pyopenshot_REAL_NAME}
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DESTINATION ${PYTHON_MODULE_PATH} )
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/openshot.py
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DESTINATION ${PYTHON_MODULE_PATH} )
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