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native library build replaced by cmake
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‎swig/.gitignore‎

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CMakeCache.txt
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CMakeFiles/
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Makefile
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*.jnilib
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*.dll
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*.so

‎swig/CMakeLists.txt‎

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cmake_minimum_required(VERSION 3.0)
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project(Julia4J VERSION 0.0.0.1 LANGUAGES C)
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find_package(SWIG REQUIRED)
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include(${SWIG_USE_FILE})
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find_package(JNI REQUIRED)
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include(./FindJULIA.cmake)
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set_property(SOURCE julia4j.i PROPERTY C ON)
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set_property(SOURCE julia4j.i PROPERTY COMPILE_OPTIONS
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-package org.julia.jni.swig)
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swig_add_library(julia4j
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TYPE SHARED
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LANGUAGE java
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OUTPUT_DIR ${PROJECT_BINARY_DIR}/../src/main/java/org/julia/jni/swig
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SOURCES julia4j.i)
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set_target_properties(julia4j PROPERTIES
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SWIG_INCLUDE_DIRECTORIES ${PROJECT_SOURCE_DIR}/java
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SWIG_USE_TARGET_INCLUDE_DIRECTORIES ON
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POSITION_INDEPENDENT_CODE ON)
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target_include_directories(julia4j PUBLIC ${JNI_INCLUDE_DIRS} ${Julia_INCLUDE_DIRS})
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target_link_libraries(julia4j ${JNI_LIBRARIES} ${Julia_LIBRARY} ${Julia_LIBRARY_DIR})

‎swig/FindJULIA.cmake‎

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# Original FindJulia.cmake from https://github.com/QuantStack/xtensor-julia-cookiecutter/blob/master/%7B%7Bcookiecutter.github_project_name%7D%7D/cmake/FindJulia.cmake
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if(Julia_FOUND)
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return()
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endif()
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####################
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# Julia Executable #
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####################
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if(Julia_PREFIX)
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message(STATUS "Adding path ${Julia_PREFIX} to search path")
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list(APPEND CMAKE_PREFIX_PATH ${Julia_PREFIX})
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message(STATUS "THIS BRANCH")
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else()
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find_program(Julia_EXECUTABLE julia DOC "Julia executable")
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message(STATUS "Found Julia executable: " ${Julia_EXECUTABLE})
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endif()
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#################
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# Julia Version #
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#################
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if(Julia_EXECUTABLE)
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execute_process(
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COMMAND "${Julia_EXECUTABLE}" --startup-file=no --version
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OUTPUT_VARIABLE Julia_VERSION_STRING
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)
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else()
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find_file(Julia_VERSION_INCLUDE julia_version.h PATH_SUFFIXES include/julia)
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file(READ ${Julia_VERSION_INCLUDE} Julia_VERSION_STRING)
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string(REGEX MATCH "JULIA_VERSION_STRING.*" Julia_VERSION_STRING ${Julia_VERSION_STRING})
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endif()
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string(
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REGEX REPLACE ".*([0-9]+\\.[0-9]+\\.[0-9]+).*" "\\1"
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Julia_VERSION_STRING "${Julia_VERSION_STRING}"
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)
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MESSAGE(STATUS "Julia_VERSION_STRING: ${Julia_VERSION_STRING}")
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##################
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# Julia Includes #
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##################
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set(JULIA_HOME_NAME "Sys.BINDIR")
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if(${Julia_VERSION_STRING} VERSION_LESS "0.7.0")
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set(JULIA_HOME_NAME "JULIA_HOME")
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else()
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set(USING_LIBDL "using Libdl")
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endif()
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if(DEFINED ENV{JULIA_INCLUDE_DIRS})
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set(Julia_INCLUDE_DIRS $ENV{JULIA_INCLUDE_DIRS}
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CACHE STRING "Location of Julia include files")
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elseif(Julia_EXECUTABLE)
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execute_process(
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COMMAND ${Julia_EXECUTABLE} --startup-file=no -E "julia_include_dir = joinpath(match(r\"(.*)(bin)\",${JULIA_HOME_NAME}).captures[1],\"include\",\"julia\")\n
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if !isdir(julia_include_dir) # then we're running directly from build\n
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julia_base_dir_aux = splitdir(splitdir(${JULIA_HOME_NAME})[1])[1] # useful for running-from-build\n
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julia_include_dir = joinpath(julia_base_dir_aux, \"usr\", \"include\" )\n
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julia_include_dir *= \";\" * joinpath(julia_base_dir_aux, \"src\", \"support\" )\n
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julia_include_dir *= \";\" * joinpath(julia_base_dir_aux, \"src\" )\n
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end\n
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julia_include_dir"
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OUTPUT_VARIABLE Julia_INCLUDE_DIRS
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)
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string(REGEX REPLACE "\"" "" Julia_INCLUDE_DIRS "${Julia_INCLUDE_DIRS}")
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string(REGEX REPLACE "\n" "" Julia_INCLUDE_DIRS "${Julia_INCLUDE_DIRS}")
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set(Julia_INCLUDE_DIRS ${Julia_INCLUDE_DIRS}
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CACHE PATH "Location of Julia include files")
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elseif(Julia_PREFIX)
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set(Julia_INCLUDE_DIRS ${Julia_PREFIX}/include/julia)
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endif()
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MESSAGE(STATUS "Julia_INCLUDE_DIRS: ${Julia_INCLUDE_DIRS}")
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###################
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# Julia Libraries #
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###################
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if(WIN32)
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set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES} .a)
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endif()
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if(Julia_EXECUTABLE)
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execute_process(
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COMMAND ${Julia_EXECUTABLE} --startup-file=no -E "${USING_LIBDL}\nabspath(Libdl.dlpath((ccall(:jl_is_debugbuild, Cint, ()) != 0) ? \"libjulia-debug\" : \"libjulia\"))"
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OUTPUT_VARIABLE Julia_LIBRARY
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)
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string(REGEX REPLACE "\"" "" Julia_LIBRARY "${Julia_LIBRARY}")
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string(REGEX REPLACE "\n" "" Julia_LIBRARY "${Julia_LIBRARY}")
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string(STRIP "${Julia_LIBRARY}" Julia_LIBRARY)
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if(WIN32)
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get_filename_component(Julia_LIBRARY_DIR ${Julia_LIBRARY} DIRECTORY)
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get_filename_component(Julia_LIBRARY_DIR ${Julia_LIBRARY_DIR} DIRECTORY)
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find_library(win_Julia_LIBRARY
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NAMES libjulia.dll.a
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PATHS "${Julia_LIBRARY_DIR}/lib"
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NO_DEFAULT_PATH
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)
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set(Julia_LIBRARY "${win_Julia_LIBRARY}")
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endif()
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set(Julia_LIBRARY "${Julia_LIBRARY}"
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CACHE PATH "Julia library")
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else()
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find_library(Julia_LIBRARY NAMES libjulia.${Julia_VERSION_STRING}.dylib julia libjulia libjulia.dll.a CMAKE_FIND_ROOT_PATH_BOTH)
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endif()
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get_filename_component(Julia_LIBRARY_DIR ${Julia_LIBRARY} DIRECTORY)
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MESSAGE(STATUS "Julia_LIBRARY_DIR: ${Julia_LIBRARY_DIR}")
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MESSAGE(STATUS "Julia_LIBRARY: ${Julia_LIBRARY}")
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##############
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# JULIA_HOME #
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##############
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if(Julia_EXECUTABLE)
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execute_process(
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COMMAND ${Julia_EXECUTABLE} --startup-file=no -E "${JULIA_HOME_NAME}"
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OUTPUT_VARIABLE JULIA_HOME
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)
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string(REGEX REPLACE "\"" "" JULIA_HOME "${JULIA_HOME}")
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string(REGEX REPLACE "\n" "" JULIA_HOME "${JULIA_HOME}")
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MESSAGE(STATUS "JULIA_HOME: ${JULIA_HOME}")
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###################
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# libLLVM version #
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###################
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execute_process(
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COMMAND ${Julia_EXECUTABLE} --startup-file=no -E "Base.libllvm_version"
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OUTPUT_VARIABLE Julia_LLVM_VERSION
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)
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string(REGEX REPLACE "\"" "" Julia_LLVM_VERSION "${Julia_LLVM_VERSION}")
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string(REGEX REPLACE "\n" "" Julia_LLVM_VERSION "${Julia_LLVM_VERSION}")
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MESSAGE(STATUS "Julia_LLVM_VERSION: ${Julia_LLVM_VERSION}")
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endif()
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##################################
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# Check for Existence of Headers #
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##################################
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find_path(Julia_MAIN_HEADER julia.h HINTS ${Julia_INCLUDE_DIRS})
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#######################################
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# Determine if we are on 32 or 64 bit #
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#######################################
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if(Julia_EXECUTABLE)
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execute_process(
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COMMAND ${Julia_EXECUTABLE} --startup-file=no -E "Sys.WORD_SIZE"
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OUTPUT_VARIABLE Julia_WORD_SIZE
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)
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string(REGEX REPLACE "\n" "" Julia_WORD_SIZE "${Julia_WORD_SIZE}")
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MESSAGE(STATUS "Julia_WORD_SIZE: ${Julia_WORD_SIZE}")
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endif()
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###########################
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# FindPackage Boilerplate #
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###########################
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(Julia
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REQUIRED_VARS Julia_LIBRARY Julia_LIBRARY_DIR Julia_INCLUDE_DIRS Julia_MAIN_HEADER
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VERSION_VAR Julia_VERSION_STRING
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FAIL_MESSAGE "Julia not found"
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)

‎swig/build.sh‎

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cd lib_src
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JULIA_JAVA_PATH=`pwd`/../../src/main/java/org/julia/jni/swig
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rm $JULIA_JAVA_PATH/*.java
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JL_INCLUDE=`julia -e 'print(joinpath(Sys.BINDIR, "../include", "julia"))'`
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swig -java -package org.julia.jni.swig -outdir $JULIA_JAVA_PATH -I$JL_INCLUDE -outcurrentdir ../julia4j.i
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cmake .
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make
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mv libjulia4j.dylib ../../src/main/resources/native/64/darwin/
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rm *.o
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cd ..
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mv libjulia4j.jnilib ../src/main/resources/native/64/darwin/

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