cross-platform, cross-compile build toolchain

CMakeLists.txt

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+cmake_minimum_required (VERSION 2.6)
+project (j2v8)
+
+# adding cmake directory for includes
+set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
+
+include (BuildUtils)
+include (NodeJsUtils)
+include (Policies)
+
+#-----------------------------------------------------------------------
+# CMAKE OPTIONS
+#-----------------------------------------------------------------------
+option(J2V8_NODE_COMPATIBLE "Build the J2V8 native bridge with Node.js support enabled" ON)
+option(J2V8_BUILD_ONLY_DEBUG_RELEASE "Generate only Debug and Release configurations (exclude RelWithDebInfo and MinSizeRel)" ON)
+
+# set up the module path
+set (CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
+
+# remove the MinSizeRel and RelWithDebInfo configurations
+if (J2V8_BUILD_ONLY_DEBUG_RELEASE)
+#{
+    set (CMAKE_CONFIGURATION_TYPES "Debug;Release" CACHE STRING "limited configs" FORCE)
+#}
+endif ()
+
+#-----------------------------------------------------------------------
+# DEPENDENCY SETTINGS & DISCOVERY
+#-----------------------------------------------------------------------
+
+# look for dependencies
+find_package(Java)
+
+# overridable settings
+set (J2V8_JDK_DIR ${Java_ROOT} CACHE STRING "Path to the Java JDK dependency")
+set (J2V8_NODEJS_DIR "./node" CACHE STRING "Path to the Node.js dependency")
+
+# get lists of the required Node.js link libraries
+get_njs_libs (${J2V8_NODEJS_DIR} "Debug")
+get_njs_libs (${J2V8_NODEJS_DIR} "Release")
+
+#-----------------------------------------------------------------------
+# INCLUDE DIRECTORIES & SOURCE FILES
+#-----------------------------------------------------------------------
+
+# project include directories
+set (include_dirs
+    ${J2V8_JDK_DIR}/include
+    ${J2V8_JDK_DIR}/include/win32
+    ${J2V8_NODEJS_DIR}
+    ${J2V8_NODEJS_DIR}/src
+    ${J2V8_NODEJS_DIR}/deps/v8
+    ${J2V8_NODEJS_DIR}/deps/v8/include
+)
+
+# project source files
+set (src_files
+    jni/com_eclipsesource_v8_V8Impl.cpp
+    jni/com_eclipsesource_v8_V8Impl.h
+)
+
+source_group("" FILES ${src_files})
+
+#-----------------------------------------------------------------------
+# BUILD SETTINGS & COMPILATION
+#-----------------------------------------------------------------------
+
+link_static_crt()
+
+# create the j2v8 library
+add_library (j2v8 SHARED ${src_files})
+
+# enable Node.js if requested by the set options
+if (J2V8_NODE_COMPATIBLE)
+#{
+    set_property (TARGET j2v8 PROPERTY COMPILE_DEFINITIONS ${COMPILE_DEFINITIONS} NODE_COMPATIBLE=1)
+#}
+endif ()
+
+# build output directory
+set (LIBRARY_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/lib)
+
+# set the include directories
+include_directories (${include_dirs})
+
+# link the necessary libraries
+target_link_libraries (j2v8
+    debug "${njs_Debug_libs}"
+    optimized "${njs_Release_libs}"
+)
+
+#-----------------------------------------------------------------------
+# OUTPUT SETTINGS & POST-BUILD
+#-----------------------------------------------------------------------
+
+if (CMAKE_CL_64)
+    set (ARCH_SUFFIX "_64")
+endif ()
+
+set_target_properties (j2v8 PROPERTIES OUTPUT_NAME "${PROJECT_NAME}_win32_x86${ARCH_SUFFIX}")
+
+# copy native lib to Java project resources directory
+add_custom_command (TARGET j2v8 POST_BUILD
+                    COMMAND ${CMAKE_COMMAND} -E copy_if_different
+                    $<TARGET_FILE:j2v8>
+                    ${CMAKE_SOURCE_DIR}/src/main/resources/lib$<TARGET_FILE_NAME:j2v8>
+)

cmake/BuildUtils.cmake

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+
+macro (link_static_crt)
+    foreach(flag_var
+            CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
+            CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
+
+            if(${flag_var} MATCHES "/MD")
+                string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
+            endif(${flag_var} MATCHES "/MD")
+    endforeach(flag_var)
+endmacro (link_static_crt)

cmake/FindJava.cmake

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+
+SET(_JAVA_HINTS $ENV{JAVA_HOME}/bin)
+
+SET(_JAVA_PATHS
+  /usr/lib/java/bin
+  /usr/share/java/bin
+  /usr/local/java/bin
+  /usr/local/java/share/bin
+  /usr/java/j2sdk1.4.2_04
+  /usr/lib/j2sdk1.4-sun/bin
+  /usr/java/j2sdk1.4.2_09/bin
+  /usr/lib/j2sdk1.5-sun/bin
+  /opt/sun-jdk-1.5.0.04/bin
+  )
+
+FIND_PROGRAM(JAVA_EXECUTABLE
+  NAMES java
+  HINTS ${_JAVA_HINTS}
+  PATHS ${_JAVA_PATHS}
+)
+
+IF(JAVA_EXECUTABLE)
+  EXECUTE_PROCESS(COMMAND ${JAVA_EXECUTABLE} -version
+    RESULT_VARIABLE res
+    OUTPUT_VARIABLE var
+    ERROR_VARIABLE var
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+    ERROR_STRIP_TRAILING_WHITESPACE)
+
+  IF( res )
+    IF(${Java_FIND_REQUIRED})
+      MESSAGE( FATAL_ERROR "Error executing java -version" )
+    ELSE()
+      MESSAGE( STATUS "Warning, could not run java --version")
+    ENDIF()
+
+  ELSE( res )
+    IF(var MATCHES "java version \"[0-9]+\\.[0-9]+\\.[0-9_.]+[oem-]*\".*")
+      STRING( REGEX REPLACE ".* version \"([0-9]+\\.[0-9]+\\.[0-9_.]+)[oem-]*\".*"
+        "\\1" Java_VERSION_STRING "${var}" )
+    ELSEIF(var MATCHES "java full version \"kaffe-[0-9]+\\.[0-9]+\\.[0-9_]+\".*")
+      STRING( REGEX REPLACE "java full version \"kaffe-([0-9]+\\.[0-9]+\\.[0-9_]+).*"
+        "\\1" Java_VERSION_STRING "${var}" )
+    ELSE()
+      IF(NOT Java_FIND_QUIETLY)
+        message(WARNING "regex not supported: ${var}. Please report")
+      ENDIF(NOT Java_FIND_QUIETLY)
+    ENDIF()
+    STRING( REGEX REPLACE "([0-9]+).*" "\\1" Java_VERSION_MAJOR "${Java_VERSION_STRING}" )
+    STRING( REGEX REPLACE "[0-9]+\\.([0-9]+).*" "\\1" Java_VERSION_MINOR "${Java_VERSION_STRING}" )
+    STRING( REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" Java_VERSION_PATCH "${Java_VERSION_STRING}" )
+    STRING( REGEX REPLACE "[0-9]+\\.[0-9]+\\.[0-9]+\\_?\\.?([0-9]*)$" "\\1" Java_VERSION_TWEAK "${Java_VERSION_STRING}" )
+    if( Java_VERSION_TWEAK STREQUAL "" )
+      set(Java_VERSION ${Java_VERSION_MAJOR}.${Java_VERSION_MINOR}.${Java_VERSION_PATCH})
+    else( )
+      set(Java_VERSION ${Java_VERSION_MAJOR}.${Java_VERSION_MINOR}.${Java_VERSION_PATCH}.${Java_VERSION_TWEAK})
+    endif( )
+
+    IF(NOT Java_FIND_QUIETLY)
+      MESSAGE( STATUS "Java version ${Java_VERSION} found!" )
+    ENDIF(NOT Java_FIND_QUIETLY)
+
+  ENDIF( res )
+ENDIF(JAVA_EXECUTABLE)
+
+UNSET(JAVA_EXECUTABLE CACHE)
+
+if( Java_VERSION_MINOR LESS 6 )
+  message("-- WARNING: Your system is running Java ${Java_VERSION_MAJOR}.${Java_VERSION_MINOR}. Java JDK 1.6+ is required for compiling ${PROGNAME}.")
+  set(Java_OLD_VERSION TRUE)
+else()
+  set(Java_OLD_VERSION FALSE)
+endif()
+
+if(!$ENV{JAVA_HOME})
+  message("Cannot find JAVA_HOME. Please setup the path to the base of the Java JDK to JAVA_HOME before compiling.")
+endif()
+
+set(Java_ROOT "$ENV{JAVA_HOME}")

cmake/NodeJsUtils.cmake

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+
+function (get_njs_libs nodejs_dir config_name)
+#{
+    # base directories for Node.js link libraries
+    set (njs_build ${nodejs_dir}/build/${config_name})
+    set (njs_build_lib ${nodejs_dir}/build/${config_name}/lib)
+
+    set (njs_extra ${nodejs_dir}/${config_name})
+    set (njs_extra_lib ${nodejs_dir}/${config_name}/lib)
+
+    # project link libraries
+    set (njs_libs
+        # nodejs/build/$Config/lib
+        ${njs_build_lib}/v8_base_0.lib
+        ${njs_build_lib}/v8_base_1.lib
+        ${njs_build_lib}/v8_base_2.lib
+        ${njs_build_lib}/v8_base_3.lib
+        ${njs_build_lib}/v8_libbase.lib
+        ${njs_build_lib}/v8_libplatform.lib
+        ${njs_build_lib}/v8_nosnapshot.lib
+        ${njs_build_lib}/v8_snapshot.lib
+
+        # nodejs/build/$Config
+        ${njs_build}/mksnapshot.lib
+
+        # nodejs/$Config/lib
+        ${njs_extra_lib}/cares.lib
+        ${njs_extra_lib}/gtest.lib
+        ${njs_extra_lib}/http_parser.lib
+        ${njs_extra_lib}/libuv.lib
+        ${njs_extra_lib}/node.lib
+        ${njs_extra_lib}/openssl.lib
+        ${njs_extra_lib}/zlib.lib
+
+        # nodejs/$Config
+        ${njs_extra}/cctest.lib
+    )
+
+    set (njs_${config_name}_libs ${njs_libs} PARENT_SCOPE)
+#}
+endfunction (get_njs_libs)

cmake/Policies.cmake

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+
+if (COMMAND cmake_policy)
+#{
+    # NEW = Libraries linked by full-path must have a valid library file name.
+    if (POLICY CMP0008)
+        cmake_policy (SET CMP0008 NEW)
+    endif (POLICY CMP0008)
+
+    # NEW = Included scripts do automatic cmake_policy PUSH and POP.
+    if (POLICY CMP0011)
+        cmake_policy (SET CMP0011 NEW)
+    endif(POLICY CMP0011)
+#}
+endif (COMMAND cmake_policy)