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