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# Make a shared library of cpplib, wrapped as C

# (JNA doesn't really do C++)

INCLUDE_DIRECTORIES("${CPPLIB_INCLUDE_DIR}")

ADD_LIBRARY(cpplib_shared SHARED c/c_wrapper.cpp)

SET_TARGET_PROPERTIES(

cpplib_shared PROPERTIES

LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"

LIBRARY_OUTPUT_DIRECTORY_DEBUG "${CMAKE_CURRENT_BINARY_DIR}"

LIBRARY_OUTPUT_DIRECTORY_RELEASE "${CMAKE_CURRENT_BINARY_DIR}"

RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"

RUNTIME_OUTPUT_DIRECTORY_DEBUG "${CMAKE_CURRENT_BINARY_DIR}"

RUNTIME_OUTPUT_DIRECTORY_RELEASE "${CMAKE_CURRENT_BINARY_DIR}")

TARGET_LINK_LIBRARIES(cpplib_shared cpplib)

# Require Java

FIND_PACKAGE(Java COMPONENTS Development)

INCLUDE(UseJava)

SET(CMAKE_JAVA_COMPILE_FLAGS "-source" "1.6" "-target" "1.6")

SET(JAVA_SOURCE_FILES

edu/nyu/cpptest/app/Main.java

edu/nyu/cpptest/cpplib/MyClass.java)

# JNA jar

SET(JNA_JAR "${CMAKE_CURRENT_SOURCE_DIR}/jna-4.1.0.jar"

CACHE STRING "Location of jna.jar")

IF(NOT EXISTS "${JNA_JAR}")

MESSAGE(FATAL_ERROR "JNA_JAR doesn't point to an existing file; please download the JAR or set the variable to the correct location")

ENDIF()

# Build Java classes

FILE(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/java/bin")

SET(class_files)

FOREACH(_java_file ${JAVA_SOURCE_FILES})

# _java_file: relative file name

# _class_file: relative class name

STRING(REGEX REPLACE "\\.java$"

".class" _class_file

"${_java_file}")

ADD_CUSTOM_COMMAND(

OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/java/bin/${_class_file}"

COMMAND

${Java_JAVAC_EXECUTABLE}

${CMAKE_JAVA_COMPILE_FLAGS}

-classpath "${JNA_JAR}"

-sourcepath "${CMAKE_CURRENT_SOURCE_DIR}/java/src"

-d "${CMAKE_CURRENT_BINARY_DIR}/java/bin"

"${CMAKE_CURRENT_SOURCE_DIR}/java/src/${_java_file}")

LIST(APPEND class_files "${CMAKE_CURRENT_BINARY_DIR}/java/bin/${_class_file}")

ENDFOREACH()

ADD_CUSTOM_TARGET(JavaJNAClasses ALL DEPENDS ${class_files})

if(WIN32 AND NOT CYGWIN)

set(_JAVA_SEP ";")

else()

set(_JAVA_SEP ":")

endif()

# Testing

IF(BUILD_TESTS)

FIND_PACKAGE(Java COMPONENTS Runtime)

ADD_TEST(

NAME run-jna

COMMAND

"${Java_JAVA_EXECUTABLE}"

-cp java-jna/java/bin${_JAVA_SEP}${JNA_JAR}${_JAVA_SEP}java-jna

edu.nyu.cpptest.app.Main

WORKING_DIRECTORY "${CMAKE_BINARY_DIR}")

ENDIF()