ladybug-java/CMakeLists.txt at main · LadybugDB/ladybug-java · GitHub

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set(CMAKE_FIND_PACKAGE_RESOLVE_SYMLINKS TRUE)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED True)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)

project (lbug_java_api)

find_package(Java REQUIRED)
find_package(JNI REQUIRED)
if (JNI_FOUND)
    message (STATUS "JNI_INCLUDE_DIRS=${JNI_INCLUDE_DIRS}")
    message (STATUS "JNI_LIBRARIES=${JNI_LIBRARIES}")
else()
    message (FATAL_ERROR "Java/JNI not found")
endif()
include(UseJava)

file(GLOB JAVA_SRC_FILES src/main/java/com/lbugdb/*.java)

set(CMAKE_JAVA_COMPILE_FLAGS -source 1.8 -target 1.8 -encoding utf-8)
add_jar(lbug_java ${JAVA_SRC_FILES}
    OUTPUT_DIR "${PROJECT_SOURCE_DIR}/build"
    GENERATE_NATIVE_HEADERS lbug_native_header)
get_target_property(_jarFile lbug_java JAR_FILE)
get_target_property(_classDir lbug_java CLASSDIR)

set (_stubDir "${CMAKE_CURRENT_BINARY_DIR}")

add_library(lbug_java_native SHARED src/jni/lbug_java.cpp)
target_include_directories(lbug_java_native PRIVATE ${JNI_INCLUDE_DIRS} ${_classDir} ${_stubDir})

if(LBUG_API_USE_PRECOMPILED_LIB)
    get_filename_component(LBUG_API_PRECOMPILED_LIB_DIR "${LBUG_API_PRECOMPILED_LIB_PATH}" DIRECTORY)
    get_filename_component(LBUG_API_PRECOMPILED_PREFIX "${LBUG_API_PRECOMPILED_LIB_DIR}" DIRECTORY)
    set(LBUG_API_PRECOMPILED_INCLUDE_DIR "${LBUG_API_PRECOMPILED_PREFIX}/include")
    target_include_directories(lbug_java_native PRIVATE
        ${LBUG_API_PRECOMPILED_LIB_DIR}
        ${LBUG_API_PRECOMPILED_INCLUDE_DIR}
    )
    if(WIN32)
        target_compile_definitions(lbug_java_native PRIVATE LBUG_STATIC_DEFINE)
    endif()
    target_link_libraries(lbug_java_native PRIVATE
        lbug_native_header
        "${LBUG_API_PRECOMPILED_LIB_PATH}"
        lbug_link_deps
    )
else()
    target_link_libraries(lbug_java_native PRIVATE lbug_native_header lbug)
endif()

message(STATUS "OS_NAME=${OS_NAME}")
message(STATUS "OS_ARCH=${OS_ARCH}")
string(JOIN "_" LIB_SUFFIX ".so" ${OS_NAME} ${OS_ARCH})

set_target_properties(lbug_java_native PROPERTIES SUFFIX ${LIB_SUFFIX})
set_target_properties(lbug_java_native PROPERTIES PREFIX "lib")
set_target_properties(lbug_java_native
        PROPERTIES
        LIBRARY_OUTPUT_DIRECTORY "${PROJECT_SOURCE_DIR}/build"
        RUNTIME_OUTPUT_DIRECTORY "${PROJECT_SOURCE_DIR}/build"
        ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_SOURCE_DIR}/build")

add_custom_command(OUTPUT dummy_jar_target
    DEPENDS lbug_java_native lbug_java
    COMMAND ${Java_JAR_EXECUTABLE} uf ${_jarFile} -C
            $<TARGET_FILE_DIR:lbug_java_native> $<TARGET_FILE_NAME:lbug_java_native>)

add_custom_target(lbug_java_api ALL DEPENDS dummy_jar_target)