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665 lines
21 KiB
CMake
665 lines
21 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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FindJNI
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-------
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Find Java Native Interface (JNI) headers and libraries.
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JNI enables Java code running in a Java Virtual Machine (JVM) or Dalvik Virtual
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Machine (DVM) on Android to call and be called by native applications and
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libraries written in other languages such as C and C++.
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This module finds if Java is installed and determines where the
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include files and libraries are. It also determines what the name of
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the library is. The caller may set variable ``JAVA_HOME`` to specify a
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Java installation prefix explicitly.
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.. versionadded:: 3.24
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Added imported targets, components ``AWT``, ``JVM``, and Android NDK support.
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If no components are specified, the module defaults to an empty components
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list while targeting Android, and all available components otherwise.
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When using Android NDK, the corresponding package version is reported and a
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specific release can be requested. At Android API level 31 and above, the
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additional ``NativeHelper`` component can be requested. ``NativeHelper`` is
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also exposed as an implicit dependency of the ``JVM`` component (only if this
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does not cause a conflict) which provides a uniform access to JVM functions.
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Imported Targets
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^^^^^^^^^^^^^^^^
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.. versionadded:: 3.24
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``JNI::JNI``
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Main JNI target, defined only if ``jni.h`` was found.
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``JNI::AWT``
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Java AWT Native Interface (JAWT) library, defined only if component ``AWT`` was
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found.
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``JNI::JVM``
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Java Virtual Machine (JVM) library, defined only if component ``JVM`` was found.
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``JNI::NativeHelper``
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When targeting Android API level 31 and above, the import target will provide
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access to ``libnativehelper.so`` that exposes JVM functions such as
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``JNI_CreateJavaVM``.
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Result Variables
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^^^^^^^^^^^^^^^^
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This module sets the following result variables:
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``JNI_INCLUDE_DIRS``
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The include directories to use.
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``JNI_LIBRARIES``
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The libraries to use (JAWT and JVM).
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``JNI_FOUND``
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``TRUE`` if JNI headers and libraries were found.
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``JNI_<component>_FOUND``
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.. versionadded:: 3.24
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``TRUE`` if ``<component>`` was found.
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``JNI_VERSION``
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Full Android NDK package version (including suffixes such as ``-beta3`` and
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``-rc1``) or undefined otherwise.
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``JNI_VERSION_MAJOR``
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.. versionadded:: 3.24
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Android NDK major version or undefined otherwise.
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``JNI_VERSION_MINOR``
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.. versionadded:: 3.24
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Android NDK minor version or undefined otherwise.
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``JNI_VERSION_PATCH``
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.. versionadded:: 3.24
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Android NDK patch version or undefined otherwise.
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Cache Variables
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^^^^^^^^^^^^^^^
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The following cache variables are also available to set or use:
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``JAVA_AWT_LIBRARY``
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The path to the Java AWT Native Interface (JAWT) library.
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``JAVA_JVM_LIBRARY``
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The path to the Java Virtual Machine (JVM) library.
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``JAVA_INCLUDE_PATH``
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The include path to ``jni.h``.
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``JAVA_INCLUDE_PATH2``
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The include path to machine-dependant headers ``jni_md.h`` and ``jniport.h``.
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The variable is defined only if ``jni.h`` depends on one of these headers. In
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contrast, Android NDK ``jni.h`` can be typically used standalone.
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``JAVA_AWT_INCLUDE_PATH``
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The include path to ``jawt.h``.
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#]=======================================================================]
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cmake_policy(PUSH)
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cmake_policy(SET CMP0057 NEW)
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include(CheckSourceCompiles)
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include(CMakePushCheckState)
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include(FindPackageHandleStandardArgs)
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if(NOT JNI_FIND_COMPONENTS)
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if(ANDROID)
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if(CMAKE_SYSTEM_VERSION LESS 31)
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# There are no components for Android NDK
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set(JNI_FIND_COMPONENTS)
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else()
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set(JNI_FIND_COMPONENTS NativeHelper)
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set(JNI_FIND_REQUIRED_NativeHelper TRUE)
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endif()
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else(ANDROID)
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set(JNI_FIND_COMPONENTS AWT JVM)
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# For compatibility purposes, if no components are specified both are
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# considered required.
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set(JNI_FIND_REQUIRED_AWT TRUE)
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set(JNI_FIND_REQUIRED_JVM TRUE)
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endif()
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else()
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# On Android, if JVM was requested we need to find NativeHelper as well which
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# is an implicit dependency of JVM allowing to provide uniform access to basic
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# JVM/DVM functionality.
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if(ANDROID AND CMAKE_SYSTEM_VERSION GREATER_EQUAL 31 AND JVM IN_LIST JNI_FIND_COMPONENTS)
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if(NOT NativeHelper IN_LIST JNI_FIND_COMPONENTS)
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list(APPEND JNI_FIND_COMPONENTS NativeHelper)
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# NativeHelper is required only if JVM was requested as such.
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set(JNI_FIND_REQUIRED_NativeHelper ${JNI_FIND_REQUIRED_JVM})
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endif()
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endif()
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endif()
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# Expand {libarch} occurrences to java_libarch subdirectory(-ies) and set ${_var}
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macro(java_append_library_directories _var)
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# Determine java arch-specific library subdir
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# Mostly based on openjdk/jdk/make/common/shared/Platform.gmk as of openjdk
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# 1.6.0_18 + icedtea patches. However, it would be much better to base the
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# guess on the first part of the GNU config.guess platform triplet.
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if(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
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if(CMAKE_LIBRARY_ARCHITECTURE STREQUAL "x86_64-linux-gnux32")
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set(_java_libarch "x32" "amd64" "i386")
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else()
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set(_java_libarch "amd64" "i386")
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endif()
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^i.86$")
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set(_java_libarch "i386")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^aarch64")
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set(_java_libarch "arm64" "aarch64")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^alpha")
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set(_java_libarch "alpha")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^arm")
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# Subdir is "arm" for both big-endian (arm) and little-endian (armel).
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set(_java_libarch "arm" "aarch32")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^mips")
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# mips* machines are bi-endian mostly so processor does not tell
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# endianness of the underlying system.
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set(_java_libarch "${CMAKE_SYSTEM_PROCESSOR}"
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"mips" "mipsel" "mipseb" "mipsr6" "mipsr6el"
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"mips64" "mips64el" "mips64r6" "mips64r6el"
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"mipsn32" "mipsn32el" "mipsn32r6" "mipsn32r6el")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)64le")
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set(_java_libarch "ppc64" "ppc64le")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)64")
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set(_java_libarch "ppc64" "ppc")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)")
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set(_java_libarch "ppc" "ppc64")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^sparc")
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# Both flavors can run on the same processor
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set(_java_libarch "${CMAKE_SYSTEM_PROCESSOR}" "sparc" "sparcv9")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(parisc|hppa)")
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set(_java_libarch "parisc" "parisc64")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^s390")
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# s390 binaries can run on s390x machines
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set(_java_libarch "${CMAKE_SYSTEM_PROCESSOR}" "s390" "s390x")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^sh")
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set(_java_libarch "sh")
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else()
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set(_java_libarch "${CMAKE_SYSTEM_PROCESSOR}")
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endif()
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# Append default list architectures if CMAKE_SYSTEM_PROCESSOR was empty or
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# system is non-Linux (where the code above has not been well tested)
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if(NOT _java_libarch OR NOT (CMAKE_SYSTEM_NAME MATCHES "Linux"))
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list(APPEND _java_libarch "i386" "amd64" "ppc")
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endif()
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# Sometimes ${CMAKE_SYSTEM_PROCESSOR} is added to the list to prefer
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# current value to a hardcoded list. Remove possible duplicates.
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list(REMOVE_DUPLICATES _java_libarch)
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foreach(_path ${ARGN})
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if(_path MATCHES "{libarch}")
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foreach(_libarch ${_java_libarch})
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string(REPLACE "{libarch}" "${_libarch}" _newpath "${_path}")
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if(EXISTS ${_newpath})
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list(APPEND ${_var} "${_newpath}")
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endif()
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endforeach()
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else()
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if(EXISTS ${_path})
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list(APPEND ${_var} "${_path}")
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endif()
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endif()
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endforeach()
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endmacro()
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include(${CMAKE_CURRENT_LIST_DIR}/CMakeFindJavaCommon.cmake)
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# Save CMAKE_FIND_FRAMEWORK
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if(DEFINED CMAKE_FIND_FRAMEWORK)
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set(_JNI_CMAKE_FIND_FRAMEWORK ${CMAKE_FIND_FRAMEWORK})
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else()
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unset(_JNI_CMAKE_FIND_FRAMEWORK)
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endif()
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if(_JAVA_HOME_EXPLICIT)
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set(CMAKE_FIND_FRAMEWORK NEVER)
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endif()
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set(JAVA_AWT_LIBRARY_DIRECTORIES)
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if(_JAVA_HOME)
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JAVA_APPEND_LIBRARY_DIRECTORIES(JAVA_AWT_LIBRARY_DIRECTORIES
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${_JAVA_HOME}/jre/lib/{libarch}
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${_JAVA_HOME}/jre/lib
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${_JAVA_HOME}/lib/{libarch}
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${_JAVA_HOME}/lib
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${_JAVA_HOME}
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)
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endif()
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if (WIN32)
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set (_JNI_HINTS)
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macro (_JNI_GET_INSTALLED_VERSIONS _KIND)
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execute_process(COMMAND REG QUERY "HKLM\\SOFTWARE\\JavaSoft\\${_KIND}"
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RESULT_VARIABLE _JAVA_RESULT
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OUTPUT_VARIABLE _JAVA_VERSIONS
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ERROR_QUIET)
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if (NOT _JAVA_RESULT)
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string (REGEX MATCHALL "HKEY_LOCAL_MACHINE\\\\SOFTWARE\\\\JavaSoft\\\\${_KIND}\\\\[0-9._]+" _JNI_VERSIONS "${_JAVA_VERSIONS}")
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string (REGEX REPLACE "HKEY_LOCAL_MACHINE\\\\SOFTWARE\\\\JavaSoft\\\\${_KIND}\\\\([0-9._]+)" "\\1" _JNI_VERSIONS "${_JNI_VERSIONS}")
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if (_JNI_VERSIONS)
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# sort versions. Most recent first
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list (SORT _JNI_VERSIONS COMPARE NATURAL ORDER DESCENDING)
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foreach (_JNI_VERSION IN LISTS _JNI_VERSIONS)
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string(REPLACE "_" "." _JNI_CMAKE_VERSION "${_JNI_VERSION}")
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if (JNI_FIND_VERSION_EXACT
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AND NOT _JNI_CMAKE_VERSION MATCHES "^${JNI_FIND_VERSION}")
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continue()
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endif()
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if (DEFINED JNI_FIND_VERSION AND _JNI_CMAKE_VERSION VERSION_LESS JNI_FIND_VERSION)
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break()
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endif()
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list(APPEND _JNI_HINTS "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\${_KIND}\\${_JNI_VERSION};JavaHome]")
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endforeach()
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endif()
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endif()
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endmacro()
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# for version 9 and upper
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_JNI_GET_INSTALLED_VERSIONS("JDK")
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# for versions older than 9
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_JNI_GET_INSTALLED_VERSIONS("Java Development Kit")
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foreach (_JNI_HINT IN LISTS _JNI_HINTS)
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list(APPEND JAVA_AWT_LIBRARY_DIRECTORIES "${_JNI_HINT}/lib")
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endforeach()
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endif()
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set(_JNI_JAVA_DIRECTORIES_BASE
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/usr/lib/jvm/java
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/usr/lib/java
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/usr/lib/jvm
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/usr/local/lib/java
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/usr/local/share/java
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/usr/lib/j2sdk1.4-sun
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/usr/lib/j2sdk1.5-sun
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/opt/sun-jdk-1.5.0.04
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/usr/lib/jvm/java-6-sun
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/usr/lib/jvm/java-1.5.0-sun
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/usr/lib/jvm/java-6-sun-1.6.0.00 # can this one be removed according to #8821 ? Alex
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/usr/lib/jvm/java-6-openjdk
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/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0 # fedora
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# Debian specific paths for default JVM
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/usr/lib/jvm/default-java
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# Arch Linux specific paths for default JVM
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/usr/lib/jvm/default
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# Ubuntu specific paths for default JVM
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/usr/lib/jvm/java-11-openjdk-{libarch} # Ubuntu 18.04 LTS
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/usr/lib/jvm/java-8-openjdk-{libarch} # Ubuntu 15.10
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/usr/lib/jvm/java-7-openjdk-{libarch} # Ubuntu 15.10
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/usr/lib/jvm/java-6-openjdk-{libarch} # Ubuntu 15.10
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# OpenBSD specific paths for default JVM
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/usr/local/jdk-1.7.0
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/usr/local/jre-1.7.0
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/usr/local/jdk-1.6.0
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/usr/local/jre-1.6.0
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# FreeBSD specific paths for default JVM
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/usr/local/openjdk15
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/usr/local/openjdk14
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/usr/local/openjdk13
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/usr/local/openjdk12
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/usr/local/openjdk11
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/usr/local/openjdk8
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/usr/local/openjdk7
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# SuSE specific paths for default JVM
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/usr/lib64/jvm/java
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/usr/lib64/jvm/jre
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)
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set(_JNI_JAVA_AWT_LIBRARY_TRIES)
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set(_JNI_JAVA_INCLUDE_TRIES)
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foreach(_java_dir IN LISTS _JNI_JAVA_DIRECTORIES_BASE)
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list(APPEND _JNI_JAVA_AWT_LIBRARY_TRIES
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${_java_dir}/jre/lib/{libarch}
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${_java_dir}/jre/lib
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${_java_dir}/lib/{libarch}
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${_java_dir}/lib
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${_java_dir}
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)
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list(APPEND _JNI_JAVA_INCLUDE_TRIES
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${_java_dir}/include
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)
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endforeach()
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JAVA_APPEND_LIBRARY_DIRECTORIES(JAVA_AWT_LIBRARY_DIRECTORIES
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${_JNI_JAVA_AWT_LIBRARY_TRIES}
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)
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set(JAVA_JVM_LIBRARY_DIRECTORIES)
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foreach(dir ${JAVA_AWT_LIBRARY_DIRECTORIES})
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list(APPEND JAVA_JVM_LIBRARY_DIRECTORIES
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"${dir}"
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"${dir}/client"
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"${dir}/server"
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# IBM SDK, Java Technology Edition, specific paths
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"${dir}/j9vm"
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"${dir}/default"
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)
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endforeach()
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set(JAVA_AWT_INCLUDE_DIRECTORIES)
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if(_JAVA_HOME)
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list(APPEND JAVA_AWT_INCLUDE_DIRECTORIES ${_JAVA_HOME}/include)
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endif()
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if (WIN32)
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foreach (_JNI_HINT IN LISTS _JNI_HINTS)
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list(APPEND JAVA_AWT_INCLUDE_DIRECTORIES "${_JNI_HINT}/include")
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endforeach()
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endif()
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JAVA_APPEND_LIBRARY_DIRECTORIES(JAVA_AWT_INCLUDE_DIRECTORIES
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${_JNI_JAVA_INCLUDE_TRIES}
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)
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foreach(JAVA_PROG "${JAVA_RUNTIME}" "${JAVA_COMPILE}" "${JAVA_ARCHIVE}")
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get_filename_component(jpath "${JAVA_PROG}" PATH)
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foreach(JAVA_INC_PATH ../include ../java/include ../share/java/include)
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if(EXISTS ${jpath}/${JAVA_INC_PATH})
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list(APPEND JAVA_AWT_INCLUDE_DIRECTORIES "${jpath}/${JAVA_INC_PATH}")
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endif()
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endforeach()
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foreach(JAVA_LIB_PATH
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../lib ../jre/lib ../jre/lib/i386
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../java/lib ../java/jre/lib ../java/jre/lib/i386
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../share/java/lib ../share/java/jre/lib ../share/java/jre/lib/i386)
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if(EXISTS ${jpath}/${JAVA_LIB_PATH})
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list(APPEND JAVA_AWT_LIBRARY_DIRECTORIES "${jpath}/${JAVA_LIB_PATH}")
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endif()
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endforeach()
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endforeach()
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if(APPLE)
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if(CMAKE_FIND_FRAMEWORK STREQUAL "ONLY")
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set(_JNI_SEARCHES FRAMEWORK)
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elseif(CMAKE_FIND_FRAMEWORK STREQUAL "NEVER")
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set(_JNI_SEARCHES NORMAL)
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elseif(CMAKE_FIND_FRAMEWORK STREQUAL "LAST")
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set(_JNI_SEARCHES NORMAL FRAMEWORK)
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else()
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set(_JNI_SEARCHES FRAMEWORK NORMAL)
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endif()
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set(_JNI_FRAMEWORK_JVM NAMES JavaVM)
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set(_JNI_FRAMEWORK_JAWT "${_JNI_FRAMEWORK_JVM}")
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else()
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set(_JNI_SEARCHES NORMAL)
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endif()
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set(_JNI_NORMAL_JVM
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NAMES jvm
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PATHS ${JAVA_JVM_LIBRARY_DIRECTORIES}
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)
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set(_JNI_NORMAL_JAWT
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NAMES jawt
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PATHS ${JAVA_AWT_LIBRARY_DIRECTORIES}
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)
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foreach(search ${_JNI_SEARCHES})
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if(JVM IN_LIST JNI_FIND_COMPONENTS)
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find_library(JAVA_JVM_LIBRARY ${_JNI_${search}_JVM}
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DOC "Java Virtual Machine library"
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)
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endif(JVM IN_LIST JNI_FIND_COMPONENTS)
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if(AWT IN_LIST JNI_FIND_COMPONENTS)
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find_library(JAVA_AWT_LIBRARY ${_JNI_${search}_JAWT}
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DOC "Java AWT Native Interface library"
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)
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if(JAVA_JVM_LIBRARY)
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break()
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endif()
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endif()
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endforeach()
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unset(_JNI_SEARCHES)
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unset(_JNI_FRAMEWORK_JVM)
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unset(_JNI_FRAMEWORK_JAWT)
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unset(_JNI_NORMAL_JVM)
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unset(_JNI_NORMAL_JAWT)
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# Find headers matching the library.
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if("${JAVA_JVM_LIBRARY};${JAVA_AWT_LIBRARY};" MATCHES "(/JavaVM.framework|-framework JavaVM);")
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set(CMAKE_FIND_FRAMEWORK ONLY)
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else()
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set(CMAKE_FIND_FRAMEWORK NEVER)
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endif()
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# add in the include path
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find_path(JAVA_INCLUDE_PATH jni.h
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${JAVA_AWT_INCLUDE_DIRECTORIES}
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DOC "JNI include directory"
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)
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if(JAVA_INCLUDE_PATH)
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if(CMAKE_C_COMPILER_LOADED)
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set(_JNI_CHECK_LANG C)
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elseif(CMAKE_CXX_COMPILER_LOADED)
|
|
set(_JNI_CHECK_LANG CXX)
|
|
else()
|
|
set(_JNI_CHECK_LANG FALSE)
|
|
endif()
|
|
|
|
# Skip the check if neither C nor CXX is loaded.
|
|
if(_JNI_CHECK_LANG)
|
|
cmake_push_check_state(RESET)
|
|
# The result of the following check is not relevant for the user as
|
|
# JAVA_INCLUDE_PATH2 will be added to REQUIRED_VARS if necessary.
|
|
set(CMAKE_REQUIRED_QUIET ON)
|
|
set(CMAKE_REQUIRED_INCLUDES ${JAVA_INCLUDE_PATH})
|
|
|
|
# Determine whether jni.h requires jni_md.h and add JAVA_INCLUDE_PATH2
|
|
# correspondingly to REQUIRED_VARS
|
|
check_source_compiles(${_JNI_CHECK_LANG}
|
|
"
|
|
#include <jni.h>
|
|
int main(void) { return 0; }
|
|
"
|
|
JNI_INCLUDE_PATH2_OPTIONAL)
|
|
|
|
cmake_pop_check_state()
|
|
else()
|
|
# If the above check is skipped assume jni_md.h is not needed.
|
|
set(JNI_INCLUDE_PATH2_OPTIONAL TRUE)
|
|
endif()
|
|
|
|
unset(_JNI_CHECK_LANG)
|
|
endif()
|
|
|
|
find_path(JAVA_INCLUDE_PATH2 NAMES jni_md.h jniport.h
|
|
PATHS ${JAVA_INCLUDE_PATH}
|
|
${JAVA_INCLUDE_PATH}/darwin
|
|
${JAVA_INCLUDE_PATH}/win32
|
|
${JAVA_INCLUDE_PATH}/linux
|
|
${JAVA_INCLUDE_PATH}/freebsd
|
|
${JAVA_INCLUDE_PATH}/openbsd
|
|
${JAVA_INCLUDE_PATH}/solaris
|
|
${JAVA_INCLUDE_PATH}/hp-ux
|
|
${JAVA_INCLUDE_PATH}/alpha
|
|
${JAVA_INCLUDE_PATH}/aix
|
|
DOC "jni_md.h jniport.h include directory"
|
|
)
|
|
|
|
if(AWT IN_LIST JNI_FIND_COMPONENTS)
|
|
find_path(JAVA_AWT_INCLUDE_PATH jawt.h
|
|
${JAVA_INCLUDE_PATH}
|
|
DOC "Java AWT Native Interface include directory"
|
|
)
|
|
endif()
|
|
|
|
if(ANDROID)
|
|
# Some functions in jni.h (e.g., JNI_GetCreatedJavaVMs) are exported by
|
|
# libnativehelper.so, however, only when targeting Android API level >= 31.
|
|
find_library(JAVA_NativeHelper_LIBRARY NAMES nativehelper
|
|
DOC "Android nativehelper library"
|
|
)
|
|
endif()
|
|
|
|
# Set found components
|
|
if(JAVA_AWT_INCLUDE_PATH AND JAVA_AWT_LIBRARY)
|
|
set(JNI_AWT_FOUND TRUE)
|
|
else()
|
|
set(JNI_AWT_FOUND FALSE)
|
|
endif()
|
|
|
|
# JVM is available even on Android referencing the nativehelper library
|
|
if(JAVA_JVM_LIBRARY)
|
|
set(JNI_JVM_FOUND TRUE)
|
|
else(JAVA_JVM_LIBRARY)
|
|
set(JNI_JVM_FOUND FALSE)
|
|
endif()
|
|
|
|
if(JAVA_NativeHelper_LIBRARY)
|
|
# Alias JAVA_JVM_LIBRARY to JAVA_NativeHelper_LIBRARY
|
|
if(NOT JAVA_JVM_LIBRARY)
|
|
set(JAVA_JVM_LIBRARY "${JAVA_NativeHelper_LIBRARY}" CACHE FILEPATH
|
|
"Alias to nativehelper library" FORCE)
|
|
# Make JVM component available
|
|
set(JNI_JVM_FOUND TRUE)
|
|
endif()
|
|
set(JNI_NativeHelper_FOUND TRUE)
|
|
else()
|
|
set(JNI_NativeHelper_FOUND FALSE)
|
|
endif()
|
|
|
|
# Restore CMAKE_FIND_FRAMEWORK
|
|
if(DEFINED _JNI_CMAKE_FIND_FRAMEWORK)
|
|
set(CMAKE_FIND_FRAMEWORK ${_JNI_CMAKE_FIND_FRAMEWORK})
|
|
unset(_JNI_CMAKE_FIND_FRAMEWORK)
|
|
else()
|
|
unset(CMAKE_FIND_FRAMEWORK)
|
|
endif()
|
|
|
|
if(ANDROID)
|
|
# Extract NDK version from source.properties in the NDK root
|
|
set(JAVA_SOURCE_PROPERTIES_FILE ${CMAKE_ANDROID_NDK}/source.properties)
|
|
|
|
if(EXISTS ${JAVA_SOURCE_PROPERTIES_FILE})
|
|
file(READ ${JAVA_SOURCE_PROPERTIES_FILE} NDK_VERSION_CONTENTS)
|
|
string (REGEX REPLACE
|
|
".*Pkg\\.Revision = (([0-9]+)\\.([0-9]+)\\.([0-9]+)([^\n]+)?).*" "\\1"
|
|
JNI_VERSION "${NDK_VERSION_CONTENTS}")
|
|
set(JNI_VERSION_MAJOR ${CMAKE_MATCH_1})
|
|
set(JNI_VERSION_MINOR ${CMAKE_MATCH_2})
|
|
set(JNI_VERSION_PATCH ${CMAKE_MATCH_3})
|
|
set(JNI_VERSION_COMPONENTS 3)
|
|
|
|
set(JNI_FPHSA_ARGS VERSION_VAR JNI_VERSION HANDLE_VERSION_RANGE)
|
|
endif()
|
|
endif()
|
|
|
|
set(JNI_REQUIRED_VARS JAVA_INCLUDE_PATH)
|
|
|
|
if(NOT JNI_INCLUDE_PATH2_OPTIONAL)
|
|
list(APPEND JNI_REQUIRED_VARS JAVA_INCLUDE_PATH2)
|
|
endif()
|
|
|
|
find_package_handle_standard_args(JNI
|
|
REQUIRED_VARS ${JNI_REQUIRED_VARS}
|
|
${JNI_FPHSA_ARGS}
|
|
HANDLE_COMPONENTS
|
|
)
|
|
|
|
mark_as_advanced(
|
|
JAVA_AWT_LIBRARY
|
|
JAVA_JVM_LIBRARY
|
|
JAVA_AWT_INCLUDE_PATH
|
|
JAVA_INCLUDE_PATH
|
|
JAVA_INCLUDE_PATH2
|
|
)
|
|
|
|
set(JNI_LIBRARIES)
|
|
|
|
foreach(component IN LISTS JNI_FIND_COMPONENTS)
|
|
if(JNI_${component}_FOUND)
|
|
list(APPEND JNI_LIBRARIES ${JAVA_${component}_LIBRARY})
|
|
endif()
|
|
endforeach()
|
|
|
|
set(JNI_INCLUDE_DIRS ${JAVA_INCLUDE_PATH})
|
|
|
|
if(NOT JNI_INCLUDE_PATH2_OPTIONAL)
|
|
list(APPEND JNI_INCLUDE_DIRS ${JAVA_INCLUDE_PATH2})
|
|
endif()
|
|
|
|
if(JNI_FIND_REQUIRED_AWT)
|
|
list(APPEND JNI_INCLUDE_DIRS ${JAVA_AWT_INCLUDE_PATH})
|
|
endif()
|
|
|
|
if(JNI_FOUND)
|
|
if(NOT TARGET JNI::JNI)
|
|
add_library(JNI::JNI IMPORTED INTERFACE)
|
|
endif()
|
|
|
|
set_property(TARGET JNI::JNI PROPERTY INTERFACE_INCLUDE_DIRECTORIES
|
|
${JAVA_INCLUDE_PATH})
|
|
|
|
if(JNI_NativeHelper_FOUND)
|
|
if(NOT TARGET JNI::NativeHelper)
|
|
add_library(JNI::NativeHelper IMPORTED UNKNOWN)
|
|
endif()
|
|
|
|
set_property(TARGET JNI::NativeHelper PROPERTY INTERFACE_LINK_LIBRARIES
|
|
JNI::JNI)
|
|
set_property(TARGET JNI::NativeHelper PROPERTY IMPORTED_LOCATION
|
|
${JAVA_NativeHelper_LIBRARY})
|
|
endif()
|
|
|
|
if(NOT JNI_INCLUDE_PATH2_OPTIONAL AND JAVA_INCLUDE_PATH2)
|
|
set_property(TARGET JNI::JNI APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES
|
|
${JAVA_INCLUDE_PATH2})
|
|
endif()
|
|
|
|
if(JNI_AWT_FOUND)
|
|
if(NOT TARGET JNI::AWT)
|
|
add_library(JNI::AWT IMPORTED UNKNOWN)
|
|
endif(NOT TARGET JNI::AWT)
|
|
|
|
set_property(TARGET JNI::AWT PROPERTY INTERFACE_INCLUDE_DIRECTORIES
|
|
${JAVA_AWT_INCLUDE_PATH})
|
|
set_property(TARGET JNI::AWT PROPERTY IMPORTED_LOCATION
|
|
${JAVA_AWT_LIBRARY})
|
|
set_property(TARGET JNI::AWT PROPERTY INTERFACE_LINK_LIBRARIES JNI::JNI)
|
|
endif()
|
|
|
|
if(JNI_JVM_FOUND OR JNI_NativeHelper_FOUND)
|
|
# If Android nativehelper is available but not the JVM library, we still
|
|
# define the JNI::JVM target but only declare JNI::NativeHelper as an
|
|
# interface link library of the former. This provides a uniform access to
|
|
# fundamental JVM functionality regardless of whether JVM or DVM is used. At
|
|
# the same time, this allows the user to detect whenever exclusively
|
|
# nativehelper functionality is available.
|
|
if(NOT TARGET JNI::JVM)
|
|
if(JAVA_JVM_LIBRARY AND NOT JAVA_JVM_LIBRARY STREQUAL JAVA_NativeHelper_LIBRARY)
|
|
# JAVA_JVM_LIBRARY is not an alias of JAVA_NativeHelper_LIBRARY
|
|
add_library(JNI::JVM IMPORTED UNKNOWN)
|
|
else()
|
|
add_library(JNI::JVM IMPORTED INTERFACE)
|
|
endif()
|
|
endif(NOT TARGET JNI::JVM)
|
|
|
|
set_property(TARGET JNI::JVM PROPERTY INTERFACE_LINK_LIBRARIES JNI::JNI)
|
|
get_property(_JNI_JVM_TYPE TARGET JNI::JVM PROPERTY TYPE)
|
|
|
|
if(NOT _JNI_JVM_TYPE STREQUAL "INTERFACE_LIBRARY")
|
|
set_property(TARGET JNI::JVM PROPERTY IMPORTED_LOCATION
|
|
${JAVA_JVM_LIBRARY})
|
|
else()
|
|
# We declare JNI::NativeHelper a dependency of JNI::JVM only if the latter
|
|
# was not initially found. If the solely theoretical situation occurs
|
|
# where both libraries are available, we want to avoid any potential
|
|
# errors that can occur due to duplicate symbols.
|
|
set_property(TARGET JNI::JVM APPEND PROPERTY INTERFACE_LINK_LIBRARIES
|
|
JNI::NativeHelper)
|
|
endif()
|
|
|
|
unset(_JNI_JVM_TYPE)
|
|
endif()
|
|
endif()
|
|
|
|
cmake_policy(POP)
|