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CMakeLists.txt
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CMakeLists.txt
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# NOTE: this works around the windows docker / msbuild bug, that causes the
# VC++ linker to fail creating PDB debug files in a shared volume
# (see: https://social.msdn.microsoft.com/Forums/en-US/bd281c61-8e04-4f56-aec2-5ad565271d7f/windowsservercorelatest-vc-2015-build-tools-throws-linker-error-lnk1318-unexpected-pdb?forum=windowscontainers)
if(J2V8_CROSS_COMPILE AND J2V8_WIN32_PDB_DOCKER_FIX)
#{
# TODO: remove this if the Win32 Docker PDB bug is fixed
# see: https://stackoverflow.com/a/39109288
message("CMAKE-WARNING: applied workaround for windows docker PDB bug")
message("see: https://social.msdn.microsoft.com/Forums/en-US/bd281c61-8e04-4f56-aec2-5ad565271d7f/windowsservercorelatest-vc-2015-build-tools-throws-linker-error-lnk1318-unexpected-pdb?forum=windowscontainers")
set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
#}
endif()
cmake_minimum_required(VERSION 3.6)
project(j2v8)
set(CMAKE_VERBOSE_MAKEFILE ON)
# set up the module path
set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
include(BuildUtils)
include(Policies)
#-----------------------------------------------------------------------
# DEPENDENCY SETTINGS / CMAKE OPTIONS
#-----------------------------------------------------------------------
# look for dependencies
find_package(Java)
# j2v8 dependency options
set(J2V8_JDK_DIR ${Java_ROOT} CACHE STRING "Path to the Java JDK dependency")
set(J2V8_V8_DIR "${CMAKE_SOURCE_DIR}/v8.out" CACHE STRING "Path to the V8 JS engine dependency")
# j2v8 build options
set(J2V8_TARGET_ARCH "" CACHE STRING "The target architecture for the build.")
option(J2V8_BUILD_ONLY_DEBUG_RELEASE "Generate only Debug and Release configurations (exclude RelWithDebInfo and MinSizeRel)" ON)
if(CMAKE_SYSTEM_NAME STREQUAL "Windows" AND MSVC)
option(J2V8_LINK_WITH_STATIC_MSVCRT "Link against the static version of the Microsoft Visual C++ Common Runtime (will link against the dynamic DLL version if this option is disabled)" ON)
endif()
#-----------------------------------------------------------------------
# BUILD PLATFORM SETUP & VARIABLES
#-----------------------------------------------------------------------
# HINT: CMake Multiarchitecture Compilation
# see: https://stackoverflow.com/a/5359572/425532
if("${J2V8_TARGET_ARCH}" STREQUAL "")
message (FATAL_ERROR "J2V8_TARGET_ARCH not specified")
endif()
if(J2V8_TARGET_ARCH STREQUAL "x86_64")
set(J2V8_BUILD_X64 TRUE)
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Android")
#{
set(JAVA_PLATFORM_NAME "android")
# output library filename parts
set(J2V8_LIB_PREFIX "")
set(J2V8_LIB_ARCH_NAME ${CMAKE_ANDROID_ARCH_ABI})
set(J2V8_LIB_VENDOR_NAME "")
set(J2V8_LIB_PLATFORM_NAME "android")
#}
elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
#{
set(JAVA_PLATFORM_NAME "linux")
# output library filename parts
set(J2V8_LIB_PREFIX "")
set(J2V8_LIB_ARCH_NAME ${J2V8_TARGET_ARCH})
set(J2V8_LIB_VENDOR_NAME "")
set(J2V8_LIB_PLATFORM_NAME "linux")
if(J2V8_VENDOR)
set(J2V8_LIB_VENDOR_NAME "-${J2V8_VENDOR}")
endif()
# configure library architecture
if(J2V8_BUILD_X64)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m64 ")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m64 ")
else()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m32 ")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m32 ")
endif()
# -lrt ... see: https://github.com/eclipsesource/J2V8/issues/292
set (j2v8_Debug_libs "-lrt")
set (j2v8_Release_libs"-lrt")
#}
elseif(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
#{
set(JAVA_PLATFORM_NAME "darwin")
# output library filename parts
set(J2V8_LIB_PREFIX "")
set(J2V8_LIB_ARCH_NAME ${J2V8_TARGET_ARCH})
set(J2V8_LIB_VENDOR_NAME "")
set(J2V8_LIB_PLATFORM_NAME "macosx")
# configure library architecture
if(J2V8_BUILD_X64)
set(CMAKE_OSX_ARCHITECTURES "x86_64")
else()
set(CMAKE_OSX_ARCHITECTURES "i386")
# fix for 32-bit linking error "ld: illegal text reloc"
# see: https://stackoverflow.com/a/9322458/425532
set(CMAKE_SHARED_LINKER_FLAGS "-read_only_relocs suppress")
endif()
#}
elseif(CMAKE_SYSTEM_NAME STREQUAL "Windows")
#{
set(JAVA_PLATFORM_NAME "win32")
# output library filename parts
set(J2V8_LIB_PREFIX "lib")
set(J2V8_LIB_ARCH_NAME ${J2V8_TARGET_ARCH})
set(J2V8_LIB_VENDOR_NAME "")
set(J2V8_LIB_PLATFORM_NAME "windows")
#}
endif()
message("--------------------------------------------------")
message("J2V8_LIB_ARCH_NAME = ${J2V8_LIB_ARCH_NAME}")
message("J2V8_LIB_VENDOR_NAME = ${J2V8_LIB_VENDOR_NAME}")
message("J2V8_LIB_PLATFORM_NAME = ${J2V8_LIB_PLATFORM_NAME}")
message("J2V8_TARGET_ARCH = ${J2V8_TARGET_ARCH}")
message("J2V8_BUILD_X64 = ${J2V8_BUILD_X64}")
message("--------------------------------------------------")
#-----------------------------------------------------------------------
# INCLUDE DIRECTORIES & SOURCE FILES
#-----------------------------------------------------------------------
# project include directories
set(include_dirs
${J2V8_V8_DIR}/include
)
# do not use JAVA_HOME for Java include files for Android
# (instead the Android NDK toolchain will introduce them automatically)
if(NOT CMAKE_SYSTEM_NAME STREQUAL "Android")
#{
set(include_dirs
${include_dirs}
${J2V8_JDK_DIR}/include
${J2V8_JDK_DIR}/include/${JAVA_PLATFORM_NAME}
)
#}
endif()
# project source files
set(src_files
jni/com_eclipsesource_v8_V8Impl.cpp
jni/com_eclipsesource_v8_V8Impl.h
)
source_group("" FILES ${src_files})
#-----------------------------------------------------------------------
# BUILD SETTINGS & COMPILATION
#-----------------------------------------------------------------------
# tell gcc/clang to use the c++14 standard
set(CMAKE_CXX_STANDARD 14)
if(CMAKE_SYSTEM_NAME STREQUAL "Android")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wno-unused-function -Wno-unused-variable -O3 -funroll-loops -ftree-vectorize -ffast-math -fpermissive -fPIC ")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-unused-function -Wno-unused-variable -O3 -funroll-loops -ftree-vectorize -ffast-math -fpermissive -fPIC ")
endif()
# remove the MinSizeRel and RelWithDebInfo configurations
if(J2V8_BUILD_ONLY_DEBUG_RELEASE)
set(CMAKE_CONFIGURATION_TYPES "Debug;Release" CACHE STRING "limited configs" FORCE)
endif()
# link against the static MS C++ runtime libraries
if(J2V8_LINK_WITH_STATIC_MSVCRT)
link_static_crt()
endif()
# create the j2v8 library
add_library(v8_monolith STATIC IMPORTED)
set_target_properties(v8_monolith PROPERTIES IMPORTED_LOCATION ${J2V8_V8_DIR}/${J2V8_MONOLITH_LIB_DIR}/libv8_monolith.a)
add_library(j2v8 SHARED ${src_files})
if(CMAKE_SYSTEM_NAME STREQUAL "Windows" AND MSVC)
set_property(TARGET j2v8 APPEND_STRING PROPERTY LINK_FLAGS_RELEASE "/LTCG")
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
v8_monolith
debug "${j2v8_Debug_libs}"
optimized "${j2v8_Release_libs}"
"${libgcc}"
)
#-----------------------------------------------------------------------
# OUTPUT SETTINGS & POST-BUILD
#-----------------------------------------------------------------------
# set library output filename
set_target_properties(j2v8 PROPERTIES OUTPUT_NAME "${J2V8_LIB_PREFIX}${PROJECT_NAME}${J2V8_LIB_VENDOR_NAME}-${J2V8_LIB_PLATFORM_NAME}-${J2V8_LIB_ARCH_NAME}")