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find_package(Java REQUIRED)
include(UseJava)

if (NOT DEFINED $ENV{JAVA_HOME_NATIVE})
  set (JAVA_HOME_NATIVE $ENV{JAVA_HOME})
  set (JAVAC $ENV{JAVA_HOME}/bin/javac)
  set (JAR $ENV{JAVA_HOME}/bin/jar)
else ()
  set (JAVAC $ENV{JAVA_HOME_NATIVE}/bin/javac)
  set (JAR $ENV{JAVA_HOME_NATIVE}/bin/jar)
endif ()

set(CMAKE_JNI_TARGET TRUE)
file(GLOB_RECURSE JAVA_SOURCES "*.java")
add_jar(tinybjar ${JAVA_SOURCES}
                  MANIFEST ${CMAKE_CURRENT_BINARY_DIR}/manifest.txt
                  OUTPUT_NAME tinyb2
)

add_custom_command (TARGET tinybjar
  POST_BUILD
  COMMAND ${CMAKE_COMMAND} -E echo "Generating JNI headers.."
  WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/tinybjar.dir"
  COMMAND ${JAVAC} -h jni/ ${JAVA_SOURCES}
)

set(JNI_HEADER_PATH "${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/tinybjar.dir/jni")
install (FILES ${CMAKE_CURRENT_BINARY_DIR}/tinyb2.jar DESTINATION ${CMAKE_INSTALL_LIBDIR}/../lib/java)

add_subdirectory (jni/direct_bt)
add_subdirectory (jni/tinyb)