tools/cmake/Java.cmake

   1 ##
   2 ## The Cmake definitions for the use of Java (and Scala)
   3 ##   This file is loaded only if the Java option is activated
   4 ##
   5
   6 find_package(Java 1.7 COMPONENTS Runtime Development)
   7 if (NOT ${Java_FOUND})
   8   message(FATAL_ERROR "Java not found (need at least Java7). Please install the JDK or disable that option")
   9 endif()
  10 set(Java_FOUND 1)
  11 include(UseJava)
  12
  13 find_package(JNI REQUIRED)
  14 message(STATUS "[Java] JNI found: ${JNI_FOUND}")
  15 message(STATUS "[Java] JNI include dirs: ${JNI_INCLUDE_DIRS}")
  16
  17 if(WIN32)
  18   execute_process(COMMAND         java -d64 -version
  19                   OUTPUT_VARIABLE JVM_IS_64_BITS)
  20   if("${JVM_IS_64_BITS}" MATCHES "Error")
  21     message(fatal_error "SimGrid can only use Java 64 bits")
  22   endif()
  23 endif()
  24
  25 # Rules to build libsimgrid-java
  26 ################################
  27
  28 add_library(simgrid-java SHARED ${JMSG_C_SRC})
  29 set_target_properties(simgrid-java PROPERTIES VERSION          ${libsimgrid-java_version})
  30 set_target_properties(simgrid-java PROPERTIES SKIP_BUILD_RPATH ON)
  31 set_property(TARGET simgrid-java
  32              APPEND PROPERTY INCLUDE_DIRECTORIES "${INTERNAL_INCLUDES}")
  33
  34 target_link_libraries(simgrid-java simgrid)
  35
  36 get_target_property(COMMON_INCLUDES simgrid-java INCLUDE_DIRECTORIES)
  37 if (COMMON_INCLUDES)
  38   set_target_properties(simgrid-java PROPERTIES  INCLUDE_DIRECTORIES "${COMMON_INCLUDES};${JNI_INCLUDE_DIRS}")
  39 else()
  40   set_target_properties(simgrid-java PROPERTIES  INCLUDE_DIRECTORIES "${JNI_INCLUDE_DIRS}")
  41 endif()
  42
  43 get_target_property(CHECK_INCLUDES simgrid-java INCLUDE_DIRECTORIES)
  44 message(STATUS "[Java] simgrid-java includes: ${CHECK_INCLUDES}")
  45
  46 # Rules to build simgrid.jar
  47 ############################
  48
  49 ## Files to include in simgrid.jar
  50 ##
  51 set(SIMGRID_JAR "${CMAKE_BINARY_DIR}/simgrid.jar")
  52 set(MANIFEST_IN_FILE "${CMAKE_HOME_DIRECTORY}/src/bindings/java/MANIFEST.in")
  53 set(MANIFEST_FILE "${CMAKE_BINARY_DIR}/src/bindings/java/MANIFEST.MF")
  54
  55 set(LIBSIMGRID_SO       libsimgrid${CMAKE_SHARED_LIBRARY_SUFFIX})
  56 set(LIBSIMGRID_JAVA_SO  ${CMAKE_SHARED_LIBRARY_PREFIX}simgrid-java${CMAKE_SHARED_LIBRARY_SUFFIX})
  57
  58 ## Here is how to build simgrid.jar
  59 ##
  60 if(CMAKE_VERSION VERSION_LESS "2.8.12")
  61   set(CMAKE_JAVA_TARGET_OUTPUT_NAME simgrid)
  62   add_jar(simgrid-java_jar ${JMSG_JAVA_SRC})
  63 else()
  64   add_jar(simgrid-java_jar ${JMSG_JAVA_SRC} OUTPUT_NAME simgrid)
  65 endif()
  66
  67 if(enable_lib_in_jar)
  68   add_dependencies(simgrid-java_jar simgrid-java)
  69   add_dependencies(simgrid-java_jar simgrid)
  70 endif()
  71
  72 if (enable_documentation)
  73   add_custom_command(
  74     TARGET simgrid-java_jar POST_BUILD
  75     COMMENT "Add the documentation into simgrid.jar..."
  76     DEPENDS ${MANIFEST_IN_FILE}
  77             ${CMAKE_HOME_DIRECTORY}/COPYING
  78             ${CMAKE_HOME_DIRECTORY}/ChangeLog
  79             ${CMAKE_HOME_DIRECTORY}/NEWS
  80             ${CMAKE_HOME_DIRECTORY}/LICENSE-LGPL-2.1
  81
  82     COMMAND ${CMAKE_COMMAND} -E copy ${MANIFEST_IN_FILE} ${MANIFEST_FILE}
  83     COMMAND ${CMAKE_COMMAND} -E echo "Specification-Version: \\\"${SIMGRID_VERSION_MAJOR}.${SIMGRID_VERSION_MINOR}.${SIMGRID_VERSION_PATCH}\\\"" >> ${MANIFEST_FILE}
  84     COMMAND ${CMAKE_COMMAND} -E echo "Implementation-Version: \\\"${GIT_VERSION}\\\"" >> ${MANIFEST_FILE}
  85
  86     COMMAND ${Java_JAVADOC_EXECUTABLE} -quiet -d doc/javadoc -sourcepath ${CMAKE_HOME_DIRECTORY}/src/bindings/java/ org.simgrid.msg org.simgrid.trace
  87
  88     COMMAND ${JAVA_ARCHIVE} -uvmf ${MANIFEST_FILE} ${SIMGRID_JAR} doc/javadoc
  89     COMMAND ${JAVA_ARCHIVE} -uvf  ${SIMGRID_JAR} -C ${CMAKE_HOME_DIRECTORY} COPYING -C ${CMAKE_HOME_DIRECTORY} ChangeLog -C ${CMAKE_HOME_DIRECTORY} LICENSE-LGPL-2.1 -C ${CMAKE_HOME_DIRECTORY} NEWS
  90   )
  91 endif()
  92
  93 ###
  94 ### Pack the java libraries into the jarfile if asked to do so
  95 ###
  96
  97 if(enable_lib_in_jar)
  98   set(SG_SYSTEM_NAME ${CMAKE_SYSTEM_NAME})
  99
 100   if(${SG_SYSTEM_NAME} MATCHES "kFreeBSD")
 101     set(SG_SYSTEM_NAME GNU/kFreeBSD)
 102   endif()
 103
 104   set(JAVA_NATIVE_PATH NATIVE/${SG_SYSTEM_NAME}/${CMAKE_SYSTEM_PROCESSOR})
 105   if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "^i[3-6]86$")
 106     set(JAVA_NATIVE_PATH NATIVE/${SG_SYSTEM_NAME}/x86)
 107   endif()
 108   if(  (${CMAKE_SYSTEM_PROCESSOR} MATCHES "x86_64") OR
 109        (${CMAKE_SYSTEM_PROCESSOR} MATCHES "AMD64")     )
 110     set(JAVA_NATIVE_PATH NATIVE/${SG_SYSTEM_NAME}/amd64)
 111   endif()
 112   if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "armv7l")
 113     set(JAVA_NATIVE_PATH NATIVE/${SG_SYSTEM_NAME}/arm) # Default arm (soft-float ABI)
 114   endif()
 115
 116   add_custom_command(
 117     TARGET simgrid-java_jar POST_BUILD
 118     COMMENT "Add the native libs into simgrid.jar..."
 119     DEPENDS simgrid simgrid-java ${JAVALIBS}
 120
 121     COMMAND ${CMAKE_COMMAND} -E make_directory   ${JAVA_NATIVE_PATH}
 122
 123     COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_BINARY_DIR}/lib/${LIBSIMGRID_SO}      ${JAVA_NATIVE_PATH}/${LIBSIMGRID_SO}
 124     COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_BINARY_DIR}/lib/${LIBSIMGRID_JAVA_SO} ${JAVA_NATIVE_PATH}/${LIBSIMGRID_JAVA_SO}
 125   )
 126
 127 if(WIN32)
 128   add_custom_command(
 129     TARGET simgrid-java_jar POST_BUILD
 130     COMMENT "Add the windows-specific native libs into simgrid.jar..."
 131     DEPENDS simgrid simgrid-java ${JAVALIBS}
 132
 133     # There is no way to disable the dependency of mingw-64 on that lib, unfortunately nor to script cmake -E properly
 134     # So let's be brutal and copy it in any case (even on non-windows builds) from the location where appveyor provides it.
 135     # The copy is only expected to work on the appveyor builder, but that's all we need right now
 136     # since our users are directed to download that file as nightly build.
 137     COMMAND ${CMAKE_COMMAND} -E copy_if_different C:/mingw-w64/x86_64-7.2.0-posix-seh-rt_v5-rev1/mingw64/bin/libwinpthread-1.dll  ${JAVA_NATIVE_PATH}/libwinpthread-1.dll || true
 138   )
 139 endif()
 140
 141 if(APPLE)
 142   add_custom_command(
 143     TARGET simgrid-java_jar POST_BUILD
 144     COMMENT "Add the apple-specific native libs into simgrid.jar..."
 145     DEPENDS simgrid simgrid-java ${JAVALIBS}
 146
 147     # We need to fix the rpath of the simgrid-java library so that it
 148     #    searches the simgrid library in the right location
 149     #
 150     # Since we don't officially install the lib before copying it in
 151     # the jarfile, the lib is searched for where it was built. Given
 152     # how we unpack it, we need to instruct simgrid-java to forget
 153     # about the build path, and search in its current directory
 154     # instead.
 155     #
 156     # This has to be done with the classical Apple tools, as follows:
 157
 158     COMMAND install_name_tool -change ${CMAKE_BINARY_DIR}/lib/libsimgrid.${SIMGRID_VERSION_MAJOR}.${SIMGRID_VERSION_MINOR}${CMAKE_SHARED_LIBRARY_SUFFIX} @loader_path/libsimgrid.dylib ${JAVA_NATIVE_PATH}/${LIBSIMGRID_JAVA_SO}
 159   )
 160 endif(APPLE)
 161
 162   add_custom_command(
 163     TARGET simgrid-java_jar POST_BUILD
 164     COMMENT "Packing back the simgrid.jar with the native libs..."
 165     DEPENDS simgrid simgrid-java ${JAVALIBS}
 166
 167     COMMAND ${JAVA_ARCHIVE} -uvf ${SIMGRID_JAR}  ${JAVA_NATIVE_PATH}
 168
 169     COMMAND ${CMAKE_COMMAND} -E echo "-- Cmake put the native code in ${JAVA_NATIVE_PATH}"
 170     COMMAND "${Java_JAVA_EXECUTABLE}" -classpath "${SIMGRID_JAR}" org.simgrid.NativeLib
 171   )
 172
 173 endif(enable_lib_in_jar)
 174
 175 include_directories(${JNI_INCLUDE_DIRS} ${JAVA_INCLUDE_PATH} ${JAVA_INCLUDE_PATH2})