2024-06-08 14:56:30 -05:00
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####################### CMakeLists.txt (libopenshot) #########################
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# @brief CMake build file for libopenshot (used to generate Java 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) 2008-2024 OpenShot Studios, LLC
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#
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# SPDX-License-Identifier: LGPL-3.0-or-later
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############### JAVA BINDINGS ################
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find_package(SWIG 4.0 REQUIRED)
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include(${SWIG_USE_FILE})
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### Enable some legacy SWIG behaviors in newer CMake versions
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if (POLICY CMP0078)
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cmake_policy(SET CMP0078 OLD)
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endif()
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if (POLICY CMP0086)
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cmake_policy(SET CMP0086 OLD)
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endif()
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find_package(Java REQUIRED)
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include(UseJava)
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find_package(JNI REQUIRED)
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include_directories(${JNI_INCLUDE_DIRS})
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message(STATUS "JNI_INCLUDE_DIRS=${JNI_INCLUDE_DIRS}")
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message(STATUS "JNI_LIBRARIES=${JNI_LIBRARIES}")
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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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2024-12-30 23:50:06 -06:00
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### Set the swig package name for the JAR
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set_source_files_properties(openshot.i PROPERTIES
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SWIG_FLAGS "-package;org.openshot"
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)
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2024-06-08 14:56:30 -05:00
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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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message(STATUS "Include directories: ${_inc}")
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set_property(SOURCE openshot.i PROPERTY INCLUDE_DIRECTORIES ${_inc})
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endif()
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### Properly manage dependencies (regenerate bindings after changes)
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if (CMAKE_VERSION VERSION_GREATER 3.20)
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set_property(SOURCE openshot.i PROPERTY USE_SWIG_DEPENDENCIES TRUE)
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endif()
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### Add the SWIG interface file (which defines all the SWIG methods)
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if (CMAKE_VERSION VERSION_LESS 3.8.0)
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swig_add_module(openshot-java java openshot.i)
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else()
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swig_add_library(openshot-java LANGUAGE java SOURCES openshot.i)
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endif()
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### Set the prefix for the library to 'lib'
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#set_target_properties(${SWIG_MODULE_openshot-java_REAL_NAME} PROPERTIES PREFIX "lib")
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### Compile the generated wrapper file
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get_property(_java_files TARGET openshot-java PROPERTY SWIG_SUPPORT_FILES)
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message("_java_files: ${_java_files}")
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### Link the new Java wrapper library with libopenshot
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target_link_libraries(${SWIG_MODULE_openshot-java_REAL_NAME} PUBLIC
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${JNI_LIBRARIES} openshot)
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### Create a custom target for the JAR file
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add_custom_command(
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OUTPUT ${CMAKE_BINARY_DIR}/bindings/java/openshotJNI.jar
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COMMAND ${Java_JAVAC_EXECUTABLE} -d ${CMAKE_BINARY_DIR}/bindings/java ${CMAKE_BINARY_DIR}/bindings/java/*.java
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COMMAND ${Java_JAR_EXECUTABLE} -cf ${CMAKE_BINARY_DIR}/bindings/java/openshotJNI.jar -C ${CMAKE_BINARY_DIR}/bindings/java .
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DEPENDS openshot-java
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WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/bindings/java
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COMMENT "Creating openshotJNI.jar"
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)
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add_custom_target(openshotJNIJar ALL DEPENDS ${CMAKE_BINARY_DIR}/bindings/java/openshotJNI.jar)
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