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 add_dependencies(tests simgrid-java)
  36
  37 get_target_property(COMMON_INCLUDES simgrid-java INCLUDE_DIRECTORIES)
  38 if (COMMON_INCLUDES)
  39   set_target_properties(simgrid-java PROPERTIES  INCLUDE_DIRECTORIES "${COMMON_INCLUDES};${JNI_INCLUDE_DIRS}")
  40 else()
  41   set_target_properties(simgrid-java PROPERTIES  INCLUDE_DIRECTORIES "${JNI_INCLUDE_DIRS}")
  42 endif()
  43
  44 get_target_property(CHECK_INCLUDES simgrid-java INCLUDE_DIRECTORIES)
  45 message(STATUS "[Java] simgrid-java includes: ${CHECK_INCLUDES}")
  46
  47 # Rules to build simgrid.jar
  48 ############################
  49
  50 ## Files to include in simgrid.jar
  51 ##
  52 set(SIMGRID_JAR "${CMAKE_BINARY_DIR}/simgrid.jar")
  53 set(MANIFEST_IN_FILE "${CMAKE_HOME_DIRECTORY}/src/bindings/java/MANIFEST.in")
  54 set(MANIFEST_FILE "${CMAKE_BINARY_DIR}/src/bindings/java/MANIFEST.MF")
  55
  56 set(LIBSIMGRID_SO       libsimgrid${CMAKE_SHARED_LIBRARY_SUFFIX})
  57 set(LIBSIMGRID_JAVA_SO  ${CMAKE_SHARED_LIBRARY_PREFIX}simgrid-java${CMAKE_SHARED_LIBRARY_SUFFIX})
  58
  59 ## Here is how to build simgrid.jar
  60 ##
  61 if(CMAKE_VERSION VERSION_LESS "2.8.12")
  62   set(CMAKE_JAVA_TARGET_OUTPUT_NAME simgrid)
  63   add_jar(simgrid-java_jar ${JMSG_JAVA_SRC})
  64 else()
  65   add_jar(simgrid-java_jar ${JMSG_JAVA_SRC} OUTPUT_NAME simgrid)
  66 endif()
  67
  68 if(enable_lib_in_jar)
  69   add_dependencies(simgrid-java_jar simgrid-java)
  70   add_dependencies(simgrid-java_jar simgrid)
  71 endif()
  72
  73 if (enable_documentation)
  74   add_custom_command(
  75     TARGET simgrid-java_jar POST_BUILD
  76     COMMENT "Add the documentation into simgrid.jar..."
  77     DEPENDS ${MANIFEST_IN_FILE}
  78             ${CMAKE_HOME_DIRECTORY}/COPYING
  79             ${CMAKE_HOME_DIRECTORY}/ChangeLog
  80             ${CMAKE_HOME_DIRECTORY}/NEWS
  81             ${CMAKE_HOME_DIRECTORY}/LICENSE-LGPL-2.1
  82
  83     COMMAND ${CMAKE_COMMAND} -E copy ${MANIFEST_IN_FILE} ${MANIFEST_FILE}
  84     COMMAND ${CMAKE_COMMAND} -E echo "Specification-Version: \\\"${SIMGRID_VERSION_MAJOR}.${SIMGRID_VERSION_MINOR}.${SIMGRID_VERSION_PATCH}\\\"" >> ${MANIFEST_FILE}
  85     COMMAND ${CMAKE_COMMAND} -E echo "Implementation-Version: \\\"${GIT_VERSION}\\\"" >> ${MANIFEST_FILE}
  86
  87     COMMAND ${Java_JAVADOC_EXECUTABLE} -quiet -d doc/javadoc -sourcepath ${CMAKE_HOME_DIRECTORY}/src/bindings/java/ org.simgrid.msg org.simgrid.trace
  88
  89     COMMAND ${JAVA_ARCHIVE} -uvmf ${MANIFEST_FILE} ${SIMGRID_JAR} doc/javadoc
  90     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
  91   )
  92 endif()
  93
  94 ###
  95 ### Pack the java libraries into the jarfile if asked to do so
  96 ###
  97
  98 if(enable_lib_in_jar)
  99   set(SG_SYSTEM_NAME ${CMAKE_SYSTEM_NAME})
 100
 101   if(${SG_SYSTEM_NAME} MATCHES "kFreeBSD")
 102     set(SG_SYSTEM_NAME GNU/kFreeBSD)
 103   endif()
 104
 105   set(JAVA_NATIVE_PATH NATIVE/${SG_SYSTEM_NAME}/${CMAKE_SYSTEM_PROCESSOR})
 106   if( (${CMAKE_SYSTEM_PROCESSOR} MATCHES "^i[3-6]86$") OR
 107       (${CMAKE_SYSTEM_PROCESSOR} MATCHES "x86_64") OR
 108       (${CMAKE_SYSTEM_PROCESSOR} MATCHES "AMD64") )
 109     if(CMAKE_SIZEOF_VOID_P EQUAL 4) # 32 bits
 110       set(JAVA_NATIVE_PATH NATIVE/${SG_SYSTEM_NAME}/x86)
 111     else()
 112       set(JAVA_NATIVE_PATH NATIVE/${SG_SYSTEM_NAME}/amd64)
 113     endif()
 114   endif()
 115   if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "armv7l")
 116     set(JAVA_NATIVE_PATH NATIVE/${SG_SYSTEM_NAME}/arm) # Default arm (soft-float ABI)
 117   endif()
 118
 119   add_custom_command(
 120     TARGET simgrid-java_jar POST_BUILD
 121     COMMENT "Add the native libs into simgrid.jar..."
 122     DEPENDS simgrid simgrid-java ${JAVALIBS}
 123
 124     COMMAND ${CMAKE_COMMAND} -E make_directory   ${JAVA_NATIVE_PATH}
 125
 126     COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_BINARY_DIR}/lib/${LIBSIMGRID_SO}      ${JAVA_NATIVE_PATH}/${LIBSIMGRID_SO}
 127     COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_BINARY_DIR}/lib/${LIBSIMGRID_JAVA_SO} ${JAVA_NATIVE_PATH}/${LIBSIMGRID_JAVA_SO}
 128   )
 129
 130 if(WIN32)
 131   add_custom_command(
 132     TARGET simgrid-java_jar POST_BUILD
 133     COMMENT "Add the windows-specific native libs into simgrid.jar..."
 134     DEPENDS simgrid simgrid-java ${JAVALIBS}
 135
 136     # There is no way to disable the dependency of mingw-64 on that lib, unfortunately nor to script cmake -E properly
 137     # So let's be brutal and copy it in any case (even on non-windows builds) from the location where appveyor provides it.
 138     # The copy is only expected to work on the appveyor builder, but that's all we need right now
 139     # since our users are directed to download that file as nightly build.
 140     COMMAND ${CMAKE_COMMAND} -E copy_if_different C:/ProgramData/chocolatey/lib/mingw/tools/install/mingw64/bin/libwinpthread-1.dll  ${JAVA_NATIVE_PATH}/libwinpthread-1.dll || true
 141   )
 142 endif()
 143
 144 if(APPLE)
 145   add_custom_command(
 146     TARGET simgrid-java_jar POST_BUILD
 147     COMMENT "Add the apple-specific native libs into simgrid.jar..."
 148     DEPENDS simgrid simgrid-java ${JAVALIBS}
 149
 150     # We need to fix the rpath of the simgrid-java library so that it
 151     #    searches the simgrid library in the right location
 152     #
 153     # Since we don't officially install the lib before copying it in
 154     # the jarfile, the lib is searched for where it was built. Given
 155     # how we unpack it, we need to instruct simgrid-java to forget
 156     # about the build path, and search in its current directory
 157     # instead.
 158     #
 159     # This has to be done with the classical Apple tools, as follows:
 160
 161     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}
 162   )
 163 endif(APPLE)
 164
 165   add_custom_command(
 166     TARGET simgrid-java_jar POST_BUILD
 167     COMMENT "Packing back the simgrid.jar with the native libs..."
 168     DEPENDS simgrid simgrid-java ${JAVALIBS}
 169
 170     COMMAND ${JAVA_ARCHIVE} -uvf ${SIMGRID_JAR}  ${JAVA_NATIVE_PATH}
 171
 172     COMMAND ${CMAKE_COMMAND} -E echo "-- Cmake put the native code in ${JAVA_NATIVE_PATH}"
 173     COMMAND "${Java_JAVA_EXECUTABLE}" -classpath "${SIMGRID_JAR}" org.simgrid.NativeLib
 174   )
 175
 176 endif(enable_lib_in_jar)
 177
 178 include_directories(${JNI_INCLUDE_DIRS} ${JAVA_INCLUDE_PATH} ${JAVA_INCLUDE_PATH2})