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CMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required(VERSION 3.1)
project(sentencepiece-jni)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
include(ExternalProject)
if (MSVC)
if (NOT JAVA_HOME)
message(FATAL_ERROR
"sentencepiece-jni requires JAVA_HOME to be defined for Windows builds.")
endif()
set(JNI_HEADERS ${JAVA_HOME}/include)
set(sentencepiece_STATIC_LIBRARIES ${CMAKE_CURRENT_BINARY_DIR}/sentencepiece/src/sentencepiece-build/src/Release/sentencepiece.lib)
set(CMAKE_CACHE_ARGS
-DCMAKE_POSITION_INDEPENDENT_CODE:BOOL=ON
-DCMAKE_BUILD_TYPE:STRING=Release
-DSPM_BUILD_TEST:BOOL=ON
-DSPM_ENABLE_SHARED:BOOL=OFF
)
else()
find_package(JNI)
set(JNI_HEADERS ${JNI_INCLUDE_DIRS})
set(sentencepiece_STATIC_LIBRARIES ${CMAKE_CURRENT_BINARY_DIR}/sentencepiece/src/sentencepiece-build/src/libsentencepiece.a)
set(CMAKE_CACHE_ARGS
-DCMAKE_POSITION_INDEPENDENT_CODE:BOOL=ON
-DCMAKE_BUILD_TYPE:STRING=Release
)
endif()
set(sentencepiece_INCLUDE_DIRS ${CMAKE_CURRENT_BINARY_DIR}/sentencepiece/src/sentencepiece/src)
ExternalProject_Add(sentencepiece
PREFIX sentencepiece
GIT_REPOSITORY https://github.com/google/sentencepiece.git
GIT_TAG v0.1.96
INSTALL_COMMAND ""
CMAKE_CACHE_ARGS ${CMAKE_CACHE_ARGS}
)
add_library(sentencepiece_jni SHARED com_github_google_sentencepiece_SentencePieceJNI.cc)
add_dependencies(sentencepiece_jni sentencepiece)
set_target_properties(sentencepiece_jni PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS ON)
target_include_directories(sentencepiece_jni PUBLIC
${JNI_HEADERS}
${sentencepiece_INCLUDE_DIRS})
target_link_libraries(sentencepiece_jni ${sentencepiece_STATIC_LIBRARIES})
if (MSVC)
string(REPLACE "/MD" "/MT" CMAKE_CXX_FLAGS_DEBUG ${CMAKE_CXX_FLAGS_DEBUG})
string(REPLACE "/MD" "/MT" CMAKE_CXX_FLAGS_MINSIZEREL ${CMAKE_CXX_FLAGS_MINSIZEREL})
string(REPLACE "/MD" "/MT" CMAKE_CXX_FLAGS_RELEASE ${CMAKE_CXX_FLAGS_RELEASE})
string(REPLACE "/MD" "/MT" CMAKE_CXX_FLAGS_RELWITHDEBINFO ${CMAKE_CXX_FLAGS_RELWITHDEBINFO})
add_definitions("/wd4267 /wd4244 /wd4305 /Zc:strictStrings /utf-8")
endif()
install(TARGETS sentencepiece_jni DESTINATION ${CMAKE_INSTALL_PREFIX})