CMakeLists.txt
project(helloJavaNativeHeaders Java CXX)
cmake_minimum_required (VERSION 3.5)
set(CMAKE_VERBOSE_MAKEFILE 1)
include (CTest)
find_package(Java COMPONENTS Development)
include (UseJava)
# JNI support
find_package(JNI)
add_jar(B1 D.java GENERATE_NATIVE_HEADERS D1-native DESTINATION INSTALL include)
add_jar(E1 E.java GENERATE_NATIVE_HEADERS E1-native)
add_jar(hello4 HelloWorld3.java)
add_library(D SHARED D.cpp E.cpp)
target_link_libraries (D PRIVATE D1-native E1-native)
install(TARGETS D1-native EXPORT native)
install(DIRECTORY "$<TARGET_PROPERTY:D1-native,NATIVE_HEADERS_DIRECTORY>/" DESTINATION include)
install(EXPORT native DESTINATION "${CMAKE_INSTALL_PREFIX}" NAMESPACE D1::)
add_test (NAME Java.NativeHeaders
COMMAND "${Java_JAVA_EXECUTABLE}" -Djava.library.path=$<TARGET_FILE_DIR:D> -classpath hello4.jar HelloWorld3)
add_test (NAME Java.ImportNativeHeaders
COMMAND "${CMAKE_COMMAND}" "-DNATIVE_HEADERS_IMPORT_DIR=${CMAKE_INSTALL_PREFIX}" -S "${CMAKE_CURRENT_SOURCE_DIR}/Import" -B "${CMAKE_CURRENT_BINARY_DIR}/Import")