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TeaSpeak-Client/native/cmake/nodejs-config.cmake

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CMake
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2019-10-25 19:51:40 -04:00
# Defaults for standard Node.exports builds
set(NODEJS_DEFAULT_URL https://nodejs.org/download/release)
set(NODEJS_DEFAULT_VERSION installed)
set(NODEJS_VERSION_FALLBACK latest)
set(NODEJS_DEFAULT_NAME node)
set(NODEJS_DEFAULT_CHECKSUM SHASUMS256.txt)
set(NODEJS_DEFAULT_CHECKTYPE SHA256)
include(CMakeParseArguments)
# Find a path by walking upward from a base directory until the path is
# found. Sets the variable ${PATH} to False if the path can't
# be determined
function(find_path_parent NAME BASE PATH)
set(ROOT ${BASE})
set(${PATH} ${ROOT}/${NAME} PARENT_SCOPE)
set(DRIVE "^[A-Za-z]?:?/$")
while(NOT ROOT MATCHES ${DRIVE} AND NOT ROOT STREQUAL "" AND NOT EXISTS ${ROOT}/${NAME})
get_filename_component(ROOT ${ROOT} DIRECTORY)
set(${PATH} ${ROOT}/${NAME} PARENT_SCOPE)
endwhile()
if(ROOT MATCHES ${DRIVE} OR ROOT STREQUAL "")
set(PATH False PARENT_SCOPE)
endif()
endfunction()
# Shortcut for finding standard node module locations
macro(find_nodejs_module NAME BASE PATH)
find_path_parent(node_modules/${NAME} ${BASE} ${PATH})
endmacro()
# Download with a bit of nice output (without spewing progress)
function(download_file URL)
message(STATUS "Downloading: ${URL}")
file(APPEND ${TEMP}/download.log "Downloading: ${URL}\n")
file(APPEND ${TEMP}/download.log "----------------------------------------\n")
file(DOWNLOAD
${URL}
${ARGN}
LOG DOWNLOAD_LOG
)
file(APPEND ${TEMP}/download.log ${DOWNLOAD_LOG})
file(APPEND ${TEMP}/download.log "----------------------------------------\n")
endfunction()
# Embedded win_delay_load_hook file so that this file can be copied
# into projects directly (recommended practice)
function(nodejs_generate_delayload_hook OUTPUT)
file(WRITE ${OUTPUT} "")
file(APPEND ${OUTPUT} "/*\n")
file(APPEND ${OUTPUT} " * When this file is linked to a DLL, it sets up a delay-load hook that\n")
file(APPEND ${OUTPUT} " * intervenes when the DLL is trying to load the main node binary\n")
file(APPEND ${OUTPUT} " * dynamically. Instead of trying to locate the .exe file it'll just return\n")
file(APPEND ${OUTPUT} " * a handle to the process image.\n")
file(APPEND ${OUTPUT} " *\n")
file(APPEND ${OUTPUT} " * This allows compiled addons to work when node.exe or iojs.exe is renamed.\n")
file(APPEND ${OUTPUT} " */\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} "#ifdef _MSC_VER\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} "#ifndef DELAYIMP_INSECURE_WRITABLE_HOOKS\n")
file(APPEND ${OUTPUT} "#define DELAYIMP_INSECURE_WRITABLE_HOOKS\n")
file(APPEND ${OUTPUT} "#endif\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} "#ifndef WIN32_LEAN_AND_MEAN\n")
file(APPEND ${OUTPUT} "#define WIN32_LEAN_AND_MEAN\n")
file(APPEND ${OUTPUT} "#endif\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} "#include <windows.h>\n")
file(APPEND ${OUTPUT} "#include <Shlwapi.h>\n")
file(APPEND ${OUTPUT} "#include <delayimp.h>\n")
file(APPEND ${OUTPUT} "#include <string.h>\n")
file(APPEND ${OUTPUT} "#include <tchar.h>\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} "static FARPROC WINAPI load_exe_hook(unsigned int event, DelayLoadInfo* info) {\n")
file(APPEND ${OUTPUT} " if (event != dliNotePreLoadLibrary) return NULL;\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} " if (_stricmp(info->szDll, \"iojs.exe\") != 0 &&\n")
file(APPEND ${OUTPUT} " _stricmp(info->szDll, \"node.exe\") != 0 &&\n")
file(APPEND ${OUTPUT} " _stricmp(info->szDll, \"node.dll\") != 0)\n")
file(APPEND ${OUTPUT} " return NULL;\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} " // Get a handle to the current process executable.\n")
file(APPEND ${OUTPUT} " HMODULE processModule = GetModuleHandle(NULL);\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} " // Get the path to the executable.\n")
file(APPEND ${OUTPUT} " TCHAR processPath[_MAX_PATH];\n")
file(APPEND ${OUTPUT} " GetModuleFileName(processModule, processPath, _MAX_PATH);\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} " // Get the name of the current executable.\n")
file(APPEND ${OUTPUT} " LPTSTR processName = PathFindFileName(processPath);\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} " // If the current process is node or iojs, then just return the proccess \n")
file(APPEND ${OUTPUT} " // module.\n")
file(APPEND ${OUTPUT} " if (_tcsicmp(processName, TEXT(\"node.exe\")) == 0 ||\n")
file(APPEND ${OUTPUT} " _tcsicmp(processName, TEXT(\"iojs.exe\")) == 0) {\n")
file(APPEND ${OUTPUT} " return (FARPROC) processModule;\n")
file(APPEND ${OUTPUT} " }\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} " // If it is another process, attempt to load 'node.dll' from the same \n")
file(APPEND ${OUTPUT} " // directory.\n")
file(APPEND ${OUTPUT} " PathRemoveFileSpec(processPath);\n")
file(APPEND ${OUTPUT} " PathAppend(processPath, TEXT(\"node.dll\"));\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} " HMODULE nodeDllModule = GetModuleHandle(processPath);\n")
file(APPEND ${OUTPUT} " if(nodeDllModule != NULL) {\n")
file(APPEND ${OUTPUT} " // This application has a node.dll in the same directory as the executable,\n")
file(APPEND ${OUTPUT} " // use that.\n")
file(APPEND ${OUTPUT} " return (FARPROC) nodeDllModule;\n")
file(APPEND ${OUTPUT} " }\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} " // Fallback to the current executable, which must statically link to \n")
file(APPEND ${OUTPUT} " // node.lib\n")
file(APPEND ${OUTPUT} " return (FARPROC) processModule;\n")
file(APPEND ${OUTPUT} "}\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} "PfnDliHook __pfnDliNotifyHook2 = load_exe_hook;\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} "#endif\n")
endfunction()
# Sets up a project to build Node.exports native modules
# - Downloads required dependencies and unpacks them to the build directory.
# Internet access is required the first invocation but not after (
# provided the download is successful)
# - Sets up several variables for building against the downloaded
# dependencies
# - Guarded to prevent multiple executions, so a single project hierarchy
# will only call this once
function(nodejs_init)
# Prevents this function from executing more than once
if(NODEJS_INIT)
return()
endif()
# Regex patterns used by the init function for component extraction
set(HEADERS_MATCH "^([A-Fa-f0-9]+)[ \t]+([^-]+)-(headers|v?[0-9.]+(-beta[0-9.]+)?)-(headers|v?[0-9.]+)([.]tar[.]gz)$")
set(LIB32_MATCH "(^[0-9A-Fa-f]+)[\t ]+(win-x86)?(/)?([^/]*)(.lib)$")
set(LIB64_MATCH "(^[0-9A-Fa-f]+)[\t ]+(win-)?(x64/)(.*)(.lib)$")
# Parse function arguments
cmake_parse_arguments(nodejs_init
"" "URL;NAME;VERSION;CHECKSUM;CHECKTYPE" "" ${ARGN}
)
# Allow the download URL to be overridden by command line argument
# NODEJS_URL
if(NODEJS_URL)
set(URL ${NODEJS_URL})
else()
# Use the argument if specified, falling back to the default
set(URL ${NODEJS_DEFAULT_URL})
if(nodejs_init_URL)
set(URL ${nodejs_init_URL})
endif()
endif()
# Allow name to be overridden by command line argument NODEJS_NAME
if(NODEJS_NAME)
set(NAME ${NODEJS_NAME})
else()
# Use the argument if specified, falling back to the default
set(NAME ${NODEJS_DEFAULT_NAME})
if(nodejs_init_NAME)
set(NAME ${nodejs_init_NAME})
endif()
endif()
# Allow the checksum file to be overridden by command line argument
# NODEJS_CHECKSUM
if(NODEJS_CHECKSUM)
set(CHECKSUM ${NODEJS_CHECKSUM})
else()
# Use the argument if specified, falling back to the default
set(CHECKSUM ${NODEJS_DEFAULT_CHECKSUM})
if(nodejs_init_CHECKSUM)
set(CHECKSUM ${nodejs_init_CHECKSUM})
endif()
endif()
# Allow the checksum type to be overriden by the command line argument
# NODEJS_CHECKTYPE
if(NODEJS_CHECKTYPE)
set(CHECKTYPE ${NODEJS_CHECKTYPE})
else()
# Use the argument if specified, falling back to the default
set(CHECKTYPE ${NODEJS_DEFAULT_CHECKTYPE})
if(nodejs_init_CHECKTYPE)
set(CHECKTYPE ${nodejs_init_CHECKTYPE})
endif()
endif()
# Allow the version to be overridden by the command line argument
# NODEJS_VERSION
if(NODEJS_VERSION)
set(VERSION ${NODEJS_VERSION})
else()
# Use the argument if specified, falling back to the default
set(VERSION ${NODEJS_DEFAULT_VERSION})
if(nodejs_init_VERSION)
set(VERSION ${nodejs_init_VERSION})
endif()
endif()
# "installed" is a special version that tries to use the currently
# installed version (determined by running node)
set(NODEJS_INSTALLED False CACHE BOOL "Node.js install status" FORCE)
if(VERSION STREQUAL "installed")
if(NOT NAME STREQUAL ${NODEJS_DEFAULT_NAME})
message(FATAL_ERROR
"'Installed' version identifier can only be used with"
"the core Node.js library"
)
endif()
# Fall back to the "latest" version if node isn't installed
set(VERSION ${NODEJS_VERSION_FALLBACK})
# This has all of the implications of why the binary is called nodejs in the first place
# https://lists.debian.org/debian-devel-announce/2012/07/msg00002.html
# However, with nvm/n, its nearly standard to have a proper 'node' binary now (since the
# apt-based one is so out of date), so for now just assume that this rare binary conflict
# case is the degenerate case. May need a more complicated solution later.
find_program(NODEJS_BINARY NAMES node nodejs)
if(NODEJS_BINARY)
execute_process(
COMMAND ${NODEJS_BINARY} --version
RESULT_VARIABLE INSTALLED_VERSION_RESULT
OUTPUT_VARIABLE INSTALLED_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(INSTALLED_VERSION_RESULT STREQUAL "0")
set(NODEJS_INSTALLED True CACHE BOOL
"Node.js install status" FORCE
)
set(VERSION ${INSTALLED_VERSION})
endif()
endif()
endif()
# Create a temporary download directory
set(TEMP ${CMAKE_CURRENT_BINARY_DIR}/temp)
if(EXISTS ${TEMP})
file(REMOVE_RECURSE ${TEMP})
endif()
file(MAKE_DIRECTORY ${TEMP})
# Unless the target is special version "latest", the parameters
# necessary to construct the root path are known
if(NOT VERSION STREQUAL "latest")
set(ROOT ${CMAKE_CURRENT_BINARY_DIR}/${NAME}/${VERSION})
# Extract checksums from the existing checksum file
set(CHECKSUM_TARGET ${ROOT}/CHECKSUM)
endif()
# If we're trying to determine the version or we haven't saved the
# checksum file for this version, download it from the specified server
if(VERSION STREQUAL "latest" OR
(DEFINED ROOT AND NOT EXISTS ${ROOT}/CHECKSUM))
if(DEFINED ROOT)
# Clear away the old checksum in case the new one is different
# and/or it fails to download
file(REMOVE ${ROOT}/CHECKSUM)
endif()
file(REMOVE ${TEMP}/CHECKSUM)
download_file(
${URL}/${VERSION}/${CHECKSUM}
${TEMP}/CHECKSUM
INACTIVITY_TIMEOUT 10
STATUS CHECKSUM_STATUS
)
list(GET CHECKSUM_STATUS 0 CHECKSUM_STATUS)
if(CHECKSUM_STATUS GREATER 0)
file(REMOVE ${TEMP}/CHECKSUM)
message(FATAL_ERROR
"Unable to download checksum file"
)
endif()
# Extract checksums from the temporary file
set(CHECKSUM_TARGET ${TEMP}/CHECKSUM)
endif()
# Extract the version, name, header archive and archive checksum
# from the file. This first extract is what defines / specifies the
# actual version number and name.
file(STRINGS
${CHECKSUM_TARGET} HEADERS_CHECKSUM
REGEX ${HEADERS_MATCH}
LIMIT_COUNT 1
)
if(NOT HEADERS_CHECKSUM)
file(REMOVE ${TEMP}/CHECKSUM)
if(DEFINED ROOT)
file(REMOVE ${ROOT}/CHECKSUM)
endif()
message(FATAL_ERROR "Unable to extract header archive checksum")
endif()
string(REGEX MATCH ${HEADERS_MATCH} HEADERS_CHECKSUM ${HEADERS_CHECKSUM})
set(HEADERS_CHECKSUM ${CMAKE_MATCH_1})
set(NAME ${CMAKE_MATCH_2})
if(CMAKE_MATCH_4 STREQUAL "headers")
set(VERSION ${CMAKE_MATCH_3}-${CMAKE_MATCH_4})
else()
set(VERSION ${CMAKE_MATCH_3})
endif()
set(HEADERS_ARCHIVE
${CMAKE_MATCH_2}-${CMAKE_MATCH_3}-${CMAKE_MATCH_5}${CMAKE_MATCH_6}
)
# Make sure that the root directory exists, and that the checksum
# file has been moved over from temp
if(DEFINED ROOT)
set(OLD_ROOT ${ROOT})
endif()
set(ROOT ${CMAKE_CURRENT_BINARY_DIR}/${NAME}/${VERSION})
if(DEFINED OLD_ROOT AND NOT ROOT STREQUAL "${OLD_ROOT}")
file(REMOVE ${TEMP}/CHECKSUM)
file(REMOVE ${ROOT}/CHECKSUM)
message("${ROOT} -> ${OLD_ROOT}")
message(FATAL_ERROR "Version/Name mismatch")
endif()
file(MAKE_DIRECTORY ${ROOT})
if(EXISTS ${TEMP}/CHECKSUM)
file(REMOVE ${ROOT}/CHECKSUM)
file(RENAME ${TEMP}/CHECKSUM ${ROOT}/CHECKSUM)
endif()
# Now that its fully resolved, report the name and version of Node.exports being
# used
message(STATUS "NodeJS: Using ${NAME}, version ${VERSION}")
# Download the headers for the version being used
# Theoretically, these could be found by searching the installed
# system, but in practice, this can be error prone. They're provided
# on the download servers, so just use the ones there.
if(NOT EXISTS ${ROOT}/include)
file(REMOVE ${TEMP}/${HEADERS_ARCHIVE})
download_file(
${URL}/${VERSION}/${HEADERS_ARCHIVE}
${TEMP}/${HEADERS_ARCHIVE}
INACTIVITY_TIMEOUT 10
EXPECTED_HASH ${CHECKTYPE}=${HEADERS_CHECKSUM}
STATUS HEADERS_STATUS
)
list(GET HEADERS_STATUS 0 HEADERS_STATUS)
if(HEADER_STATUS GREATER 0)
file(REMOVE ${TEMP}/${HEADERS_ARCHIVE})
message(FATAL_ERROR "Unable to download Node.js headers")
endif()
execute_process(
COMMAND ${CMAKE_COMMAND} -E tar xfz ${TEMP}/${HEADERS_ARCHIVE}
WORKING_DIRECTORY ${TEMP}
)
# This adapts the header extraction to support a number of different
# header archive contents in addition to the one used by the
# default Node.exports library
unset(NODEJS_HEADERS_PATH CACHE)
find_path(NODEJS_HEADERS_PATH
NAMES src include
PATHS
${TEMP}/${NAME}-${VERSION}-headers
${TEMP}/${NAME}-${VERSION}
${TEMP}/${NODEJS_DEFAULT_NAME}-${VERSION}-headers
${TEMP}/${NODEJS_DEFAULT_NAME}-${VERSION}
${TEMP}/${NODEJS_DEFAULT_NAME}
${TEMP}/${NODEJS_DEFAULT_NAME}_headers
${TEMP}
NO_DEFAULT_PATH
)
if(NOT NODEJS_HEADERS_PATH)
message(FATAL_ERROR "Unable to find extracted headers folder")
endif()
# Move the headers into a standard location with a standard layout
file(REMOVE ${TEMP}/${HEADERS_ARCHIVE})
file(REMOVE_RECURSE ${ROOT}/include)
if(EXISTS ${NODEJS_HEADERS_PATH}/include/node)
file(RENAME ${NODEJS_HEADERS_PATH}/include/node ${ROOT}/include)
elseif(EXISTS ${NODEJS_HEADERS_PATH}/src)
file(MAKE_DIRECTORY ${ROOT}/include)
if(NOT EXISTS ${NODEJS_HEADERS_PATH}/src)
file(REMOVE_RECURSE ${ROOT}/include)
message(FATAL_ERROR "Unable to find core headers")
endif()
file(COPY ${NODEJS_HEADERS_PATH}/src/
DESTINATION ${ROOT}/include
)
if(NOT EXISTS ${NODEJS_HEADERS_PATH}/deps/uv/include)
file(REMOVE_RECURSE ${ROOT}/include)
message(FATAL_ERROR "Unable to find libuv headers")
endif()
file(COPY ${NODEJS_HEADERS_PATH}/deps/uv/include/
DESTINATION ${ROOT}/include
)
if(NOT EXISTS ${NODEJS_HEADERS_PATH}/deps/v8/include)
file(REMOVE_RECURSE ${ROOT}/include)
message(FATAL_ERROR "Unable to find v8 headers")
endif()
file(COPY ${NODEJS_HEADERS_PATH}/deps/v8/include/
DESTINATION ${ROOT}/include
)
if(NOT EXISTS ${NODEJS_HEADERS_PATH}/deps/zlib)
file(REMOVE_RECURSE ${ROOT}/include)
message(FATAL_ERROR "Unable to find zlib headers")
endif()
file(COPY ${NODEJS_HEADERS_PATH}/deps/zlib/
DESTINATION ${ROOT}/include
)
endif()
file(REMOVE_RECURSE ${NODEJS_HEADERS_PATH})
unset(NODEJS_HEADERS_PATH CACHE)
endif()
# Only download the libraries on windows, since its the only place
# its necessary. Note, this requires rerunning CMake if moving
# a module from one platform to another (should happen automatically
# with most generators)
if(WIN32)
# Download the win32 library for linking
file(STRINGS
${ROOT}/CHECKSUM LIB32_CHECKSUM
LIMIT_COUNT 1
REGEX ${LIB32_MATCH}
)
if(NOT LIB32_CHECKSUM)
message(FATAL_ERROR "Unable to extract x86 library checksum")
endif()
string(REGEX MATCH ${LIB32_MATCH} LIB32_CHECKSUM ${LIB32_CHECKSUM})
set(LIB32_CHECKSUM ${CMAKE_MATCH_1})
set(LIB32_PATH win-x86)
set(LIB32_NAME ${CMAKE_MATCH_4}${CMAKE_MATCH_5})
set(LIB32_TARGET ${CMAKE_MATCH_2}${CMAKE_MATCH_3}${LIB32_NAME})
if(NOT EXISTS ${ROOT}/${LIB32_PATH})
file(REMOVE_RECURSE ${TEMP}/${LIB32_PATH})
download_file(
${URL}/${VERSION}/${LIB32_TARGET}
${TEMP}/${LIB32_PATH}/${LIB32_NAME}
INACTIVITY_TIMEOUT 10
EXPECTED_HASH ${CHECKTYPE}=${LIB32_CHECKSUM}
STATUS LIB32_STATUS
)
list(GET LIB32_STATUS 0 LIB32_STATUS)
if(LIB32_STATUS GREATER 0)
message(FATAL_ERROR
"Unable to download Node.js windows library (32-bit)"
)
endif()
file(REMOVE_RECURSE ${ROOT}/${LIB32_PATH})
file(MAKE_DIRECTORY ${ROOT}/${LIB32_PATH})
file(RENAME
${TEMP}/${LIB32_PATH}/${LIB32_NAME}
${ROOT}/${LIB32_PATH}/${LIB32_NAME}
)
file(REMOVE_RECURSE ${TEMP}/${LIB32_PATH})
endif()
# Download the win64 library for linking
file(STRINGS
${ROOT}/CHECKSUM LIB64_CHECKSUM
LIMIT_COUNT 1
REGEX ${LIB64_MATCH}
)
if(NOT LIB64_CHECKSUM)
message(FATAL_ERROR "Unable to extract x64 library checksum")
endif()
string(REGEX MATCH ${LIB64_MATCH} LIB64_CHECKSUM ${LIB64_CHECKSUM})
set(LIB64_CHECKSUM ${CMAKE_MATCH_1})
set(LIB64_PATH win-x64)
set(LIB64_NAME ${CMAKE_MATCH_4}${CMAKE_MATCH_5})
set(LIB64_TARGET ${CMAKE_MATCH_2}${CMAKE_MATCH_3}${LIB64_NAME})
if(NOT EXISTS ${ROOT}/${LIB64_PATH})
file(REMOVE_RECURSE ${TEMP}/${LIB64_PATH})
download_file(
${URL}/${VERSION}/${LIB64_TARGET}
${TEMP}/${LIB64_PATH}/${LIB64_NAME}
INACTIVITY_TIMEOUT 10
EXPECTED_HASH ${CHECKTYPE}=${LIB64_CHECKSUM}
STATUS LIB64_STATUS
)
list(GET LIB64_STATUS 0 LIB64_STATUS)
if(LIB64_STATUS GREATER 0)
message(FATAL_ERROR
"Unable to download Node.js windows library (64-bit)"
)
endif()
file(REMOVE_RECURSE ${ROOT}/${LIB64_PATH})
file(MAKE_DIRECTORY ${ROOT}/${LIB64_PATH})
file(RENAME
${TEMP}/${LIB64_PATH}/${LIB64_NAME}
${ROOT}/${LIB64_PATH}/${LIB64_NAME}
)
file(REMOVE_RECURSE ${TEMP}/${LIB64_PATH})
endif()
endif()
# The downloaded headers should always be set for inclusion
list(APPEND INCLUDE_DIRS ${ROOT}/include)
# Look for the NAN module, and add it to the includes
find_nodejs_module(
nan
..
NODEJS_NAN_DIR
)
if(NODEJS_NAN_DIR)
list(APPEND INCLUDE_DIRS ${NODEJS_NAN_DIR})
endif()
# Under windows, we need a bunch of libraries (due to the way
# dynamic linking works)
if(WIN32)
# Generate and use a delay load hook to allow the node binary
# name to be changed while still loading native modules
set(DELAY_LOAD_HOOK ${CMAKE_CURRENT_BINARY_DIR}/win_delay_load_hook.c)
nodejs_generate_delayload_hook(${DELAY_LOAD_HOOK})
set(SOURCES ${DELAY_LOAD_HOOK})
# Necessary flags to get delayload working correctly
list(APPEND LINK_FLAGS
"-IGNORE:4199"
"-DELAYLOAD:iojs.exe"
"-DELAYLOAD:node.exe"
"-DELAYLOAD:node.dll"
)
# Core system libraries used by node
list(APPEND LIBRARIES
kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib
advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib
odbc32.lib Shlwapi.lib DelayImp.lib
)
# Also link to the node stub itself (downloaded above)
if(CMAKE_CL_64)
list(APPEND LIBRARIES ${ROOT}/${LIB64_PATH}/${LIB64_NAME})
else()
list(APPEND LIBRARIES ${ROOT}/${LIB32_PATH}/${LIB32_NAME})
endif()
else()
# Non-windows platforms should use these flags
list(APPEND DEFINITIONS _LARGEFILE_SOURCE _FILE_OFFSET_BITS=64)
endif()
# Special handling for OSX / clang to allow undefined symbols
# Define is required by node on OSX
if(APPLE)
list(APPEND LINK_FLAGS "-undefined dynamic_lookup")
list(APPEND DEFINITIONS _DARWIN_USE_64_BIT_INODE=1)
endif()
# Export all settings for use as arguments in the rest of the build
set(NODEJS_VERSION ${VERSION} PARENT_SCOPE)
set(NODEJS_SOURCES ${SOURCES} PARENT_SCOPE)
set(NODEJS_INCLUDE_DIRS ${INCLUDE_DIRS} PARENT_SCOPE)
set(NODEJS_LIBRARIES ${LIBRARIES} PARENT_SCOPE)
set(NODEJS_LINK_FLAGS ${LINK_FLAGS} PARENT_SCOPE)
set(NODEJS_DEFINITIONS ${DEFINITIONS} PARENT_SCOPE)
# Prevents this function from executing more than once
set(NODEJS_INIT TRUE PARENT_SCOPE)
endfunction()
# Helper function for defining a node module
# After nodejs_init, all of the settings and dependencies necessary to do
# this yourself are defined, but this helps make sure everything is configured
# correctly. Feel free to use it as a model to do this by hand (or to
# tweak this configuration if you need something custom).
function(add_nodejs_module NAME)
# Validate name parameter (must be a valid C identifier)
string(MAKE_C_IDENTIFIER ${NAME} ${NAME}_SYMBOL_CHECK)
if(NOT "${NAME}" STREQUAL "${${NAME}_SYMBOL_CHECK}")
message(ERROR
"Module name must be a valid C identifier. "
"Suggested alternative: '${${NAME}_SYMBOL_CHECK}'"
)
endif()
# Make sure node is initialized (variables set) before defining the module
if(NOT NODEJS_INIT)
message(FATAL_ERROR
"Node.js has not been initialized. "
"Call nodejs_init before adding any modules"
)
endif()
# In order to match node-gyp, we need to build into type specific folders
# ncmake takes care of this, but be sure to set CMAKE_BUILD_TYPE yourself
# if invoking CMake directly
if(NOT CMAKE_CONFIGURATION_TYPES AND NOT CMAKE_BUILD_TYPE)
message(FATAL_ERROR
"Configuration type must be specified. "
"Set CMAKE_BUILD_TYPE or use a different generator"
)
endif()
# A node module is a shared library
add_library(${NAME} SHARED ${NODEJS_SOURCES} ${ARGN})
# Add compiler defines for the module
# Two helpful ones:
# MODULE_NAME must match the name of the build library, define that here
# ${NAME}_BUILD is for symbol visibility under windows
string(TOUPPER "${NAME}_BUILD" ${NAME}_BUILD_DEF)
target_compile_definitions(${NAME}
PRIVATE MODULE_NAME=${NAME}
PRIVATE ${${NAME}_BUILD_DEF}
PUBLIC ${NODEJS_DEFINITIONS}
)
# This properly defines includes for the module
target_include_directories(${NAME} PUBLIC ${NODEJS_INCLUDE_DIRS})
# Add link flags to the module
target_link_libraries(${NAME} ${NODEJS_LIBRARIES})
# Set required properties for the module to build properly
# Correct naming, symbol visiblity and C++ standard
set_target_properties(${NAME} PROPERTIES
OUTPUT_NAME ${NAME}
PREFIX ""
SUFFIX ".node"
MACOSX_RPATH ON
C_VISIBILITY_PRESET hidden
CXX_VISIBILITY_PRESET hidden
POSITION_INDEPENDENT_CODE TRUE
CMAKE_CXX_STANDARD_REQUIRED TRUE
CXX_STANDARD 11
)
# Handle link flag cases properly
# When there are link flags, they should be appended to LINK_FLAGS with space separation
# If the list is emtpy (true for most *NIX platforms), this is a no-op
foreach(NODEJS_LINK_FLAG IN LISTS NODEJS_LINK_FLAGS)
set_property(TARGET ${NAME} APPEND_STRING PROPERTY LINK_FLAGS " ${NODEJS_LINK_FLAG}")
endforeach()
# Make sure we're buiilding in a build specific output directory
# Only necessary on single-target generators (Make, Ninja)
# Multi-target generators do this automatically
# This (luckily) mirrors node-gyp conventions
if(NOT CMAKE_CONFIGURATION_TYPES)
set_property(TARGET ${NAME} PROPERTY
LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BUILD_TYPE}
)
endif()
endfunction()
# Defaults for standard Node.exports builds
set(NODEJS_DEFAULT_URL https://nodejs.org/download/release)
set(NODEJS_DEFAULT_VERSION installed)
set(NODEJS_VERSION_FALLBACK latest)
set(NODEJS_DEFAULT_NAME node)
set(NODEJS_DEFAULT_CHECKSUM SHASUMS256.txt)
set(NODEJS_DEFAULT_CHECKTYPE SHA256)
include(CMakeParseArguments)
# Find a path by walking upward from a base directory until the path is
# found. Sets the variable ${PATH} to False if the path can't
# be determined
function(find_path_parent NAME BASE PATH)
set(ROOT ${BASE})
set(${PATH} ${ROOT}/${NAME} PARENT_SCOPE)
set(DRIVE "^[A-Za-z]?:?/$")
while(NOT ROOT MATCHES ${DRIVE} AND NOT ROOT STREQUAL "" AND NOT EXISTS ${ROOT}/${NAME})
get_filename_component(ROOT ${ROOT} DIRECTORY)
set(${PATH} ${ROOT}/${NAME} PARENT_SCOPE)
endwhile()
if(ROOT MATCHES ${DRIVE} OR ROOT STREQUAL "")
set(PATH False PARENT_SCOPE)
endif()
endfunction()
# Shortcut for finding standard node module locations
macro(find_nodejs_module NAME BASE PATH)
find_path_parent(node_modules/${NAME} ${BASE} ${PATH})
endmacro()
# Download with a bit of nice output (without spewing progress)
function(download_file URL)
message(STATUS "Downloading: ${URL}")
file(APPEND ${TEMP}/download.log "Downloading: ${URL}\n")
file(APPEND ${TEMP}/download.log "----------------------------------------\n")
file(DOWNLOAD
${URL}
${ARGN}
LOG DOWNLOAD_LOG
)
file(APPEND ${TEMP}/download.log ${DOWNLOAD_LOG})
file(APPEND ${TEMP}/download.log "----------------------------------------\n")
endfunction()
# Embedded win_delay_load_hook file so that this file can be copied
# into projects directly (recommended practice)
function(nodejs_generate_delayload_hook OUTPUT)
file(WRITE ${OUTPUT} "")
file(APPEND ${OUTPUT} "/*\n")
file(APPEND ${OUTPUT} " * When this file is linked to a DLL, it sets up a delay-load hook that\n")
file(APPEND ${OUTPUT} " * intervenes when the DLL is trying to load the main node binary\n")
file(APPEND ${OUTPUT} " * dynamically. Instead of trying to locate the .exe file it'll just return\n")
file(APPEND ${OUTPUT} " * a handle to the process image.\n")
file(APPEND ${OUTPUT} " *\n")
file(APPEND ${OUTPUT} " * This allows compiled addons to work when node.exe or iojs.exe is renamed.\n")
file(APPEND ${OUTPUT} " */\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} "#ifdef _MSC_VER\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} "#ifndef DELAYIMP_INSECURE_WRITABLE_HOOKS\n")
file(APPEND ${OUTPUT} "#define DELAYIMP_INSECURE_WRITABLE_HOOKS\n")
file(APPEND ${OUTPUT} "#endif\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} "#ifndef WIN32_LEAN_AND_MEAN\n")
file(APPEND ${OUTPUT} "#define WIN32_LEAN_AND_MEAN\n")
file(APPEND ${OUTPUT} "#endif\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} "#include <windows.h>\n")
file(APPEND ${OUTPUT} "#include <Shlwapi.h>\n")
file(APPEND ${OUTPUT} "#include <delayimp.h>\n")
file(APPEND ${OUTPUT} "#include <string.h>\n")
file(APPEND ${OUTPUT} "#include <tchar.h>\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} "static FARPROC WINAPI load_exe_hook(unsigned int event, DelayLoadInfo* info) {\n")
file(APPEND ${OUTPUT} " if (event != dliNotePreLoadLibrary) return NULL;\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} " if (_stricmp(info->szDll, \"iojs.exe\") != 0 &&\n")
file(APPEND ${OUTPUT} " _stricmp(info->szDll, \"node.exe\") != 0 &&\n")
file(APPEND ${OUTPUT} " _stricmp(info->szDll, \"node.dll\") != 0)\n")
file(APPEND ${OUTPUT} " return NULL;\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} " // Get a handle to the current process executable.\n")
file(APPEND ${OUTPUT} " HMODULE processModule = GetModuleHandle(NULL);\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} " // Get the path to the executable.\n")
file(APPEND ${OUTPUT} " TCHAR processPath[_MAX_PATH];\n")
file(APPEND ${OUTPUT} " GetModuleFileName(processModule, processPath, _MAX_PATH);\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} " // Get the name of the current executable.\n")
file(APPEND ${OUTPUT} " LPTSTR processName = PathFindFileName(processPath);\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} " // If the current process is node or iojs, then just return the proccess \n")
file(APPEND ${OUTPUT} " // module.\n")
file(APPEND ${OUTPUT} " if (_tcsicmp(processName, TEXT(\"node.exe\")) == 0 ||\n")
file(APPEND ${OUTPUT} " _tcsicmp(processName, TEXT(\"iojs.exe\")) == 0) {\n")
file(APPEND ${OUTPUT} " return (FARPROC) processModule;\n")
file(APPEND ${OUTPUT} " }\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} " // If it is another process, attempt to load 'node.dll' from the same \n")
file(APPEND ${OUTPUT} " // directory.\n")
file(APPEND ${OUTPUT} " PathRemoveFileSpec(processPath);\n")
file(APPEND ${OUTPUT} " PathAppend(processPath, TEXT(\"node.dll\"));\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} " HMODULE nodeDllModule = GetModuleHandle(processPath);\n")
file(APPEND ${OUTPUT} " if(nodeDllModule != NULL) {\n")
file(APPEND ${OUTPUT} " // This application has a node.dll in the same directory as the executable,\n")
file(APPEND ${OUTPUT} " // use that.\n")
file(APPEND ${OUTPUT} " return (FARPROC) nodeDllModule;\n")
file(APPEND ${OUTPUT} " }\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} " // Fallback to the current executable, which must statically link to \n")
file(APPEND ${OUTPUT} " // node.lib\n")
file(APPEND ${OUTPUT} " return (FARPROC) processModule;\n")
file(APPEND ${OUTPUT} "}\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} "PfnDliHook __pfnDliNotifyHook2 = load_exe_hook;\n")
file(APPEND ${OUTPUT} "\n")
file(APPEND ${OUTPUT} "#endif\n")
endfunction()
# Sets up a project to build Node.exports native modules
# - Downloads required dependencies and unpacks them to the build directory.
# Internet access is required the first invocation but not after (
# provided the download is successful)
# - Sets up several variables for building against the downloaded
# dependencies
# - Guarded to prevent multiple executions, so a single project hierarchy
# will only call this once
function(nodejs_init)
# Prevents this function from executing more than once
if(NODEJS_INIT)
return()
endif()
# Regex patterns used by the init function for component extraction
set(HEADERS_MATCH "^([A-Fa-f0-9]+)[ \t]+([^-]+)-(headers|v?[0-9.]+(-beta[0-9.]+)?)-(headers|v?[0-9.]+)([.]tar[.]gz)$")
set(LIB32_MATCH "(^[0-9A-Fa-f]+)[\t ]+(win-x86)?(/)?([^/]*)(.lib)$")
set(LIB64_MATCH "(^[0-9A-Fa-f]+)[\t ]+(win-)?(x64/)(.*)(.lib)$")
# Parse function arguments
cmake_parse_arguments(nodejs_init
"" "URL;NAME;VERSION;CHECKSUM;CHECKTYPE" "" ${ARGN}
)
# Allow the download URL to be overridden by command line argument
# NODEJS_URL
if(NODEJS_URL)
set(URL ${NODEJS_URL})
else()
# Use the argument if specified, falling back to the default
set(URL ${NODEJS_DEFAULT_URL})
if(nodejs_init_URL)
set(URL ${nodejs_init_URL})
endif()
endif()
# Allow name to be overridden by command line argument NODEJS_NAME
if(NODEJS_NAME)
set(NAME ${NODEJS_NAME})
else()
# Use the argument if specified, falling back to the default
set(NAME ${NODEJS_DEFAULT_NAME})
if(nodejs_init_NAME)
set(NAME ${nodejs_init_NAME})
endif()
endif()
# Allow the checksum file to be overridden by command line argument
# NODEJS_CHECKSUM
if(NODEJS_CHECKSUM)
set(CHECKSUM ${NODEJS_CHECKSUM})
else()
# Use the argument if specified, falling back to the default
set(CHECKSUM ${NODEJS_DEFAULT_CHECKSUM})
if(nodejs_init_CHECKSUM)
set(CHECKSUM ${nodejs_init_CHECKSUM})
endif()
endif()
# Allow the checksum type to be overriden by the command line argument
# NODEJS_CHECKTYPE
if(NODEJS_CHECKTYPE)
set(CHECKTYPE ${NODEJS_CHECKTYPE})
else()
# Use the argument if specified, falling back to the default
set(CHECKTYPE ${NODEJS_DEFAULT_CHECKTYPE})
if(nodejs_init_CHECKTYPE)
set(CHECKTYPE ${nodejs_init_CHECKTYPE})
endif()
endif()
# Allow the version to be overridden by the command line argument
# NODEJS_VERSION
if(NODEJS_VERSION)
set(VERSION ${NODEJS_VERSION})
else()
# Use the argument if specified, falling back to the default
set(VERSION ${NODEJS_DEFAULT_VERSION})
if(nodejs_init_VERSION)
set(VERSION ${nodejs_init_VERSION})
endif()
endif()
# "installed" is a special version that tries to use the currently
# installed version (determined by running node)
set(NODEJS_INSTALLED False CACHE BOOL "Node.js install status" FORCE)
if(VERSION STREQUAL "installed")
if(NOT NAME STREQUAL ${NODEJS_DEFAULT_NAME})
message(FATAL_ERROR
"'Installed' version identifier can only be used with"
"the core Node.js library"
)
endif()
# Fall back to the "latest" version if node isn't installed
set(VERSION ${NODEJS_VERSION_FALLBACK})
# This has all of the implications of why the binary is called nodejs in the first place
# https://lists.debian.org/debian-devel-announce/2012/07/msg00002.html
# However, with nvm/n, its nearly standard to have a proper 'node' binary now (since the
# apt-based one is so out of date), so for now just assume that this rare binary conflict
# case is the degenerate case. May need a more complicated solution later.
find_program(NODEJS_BINARY NAMES node nodejs)
if(NODEJS_BINARY)
execute_process(
COMMAND ${NODEJS_BINARY} --version
RESULT_VARIABLE INSTALLED_VERSION_RESULT
OUTPUT_VARIABLE INSTALLED_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(INSTALLED_VERSION_RESULT STREQUAL "0")
set(NODEJS_INSTALLED True CACHE BOOL
"Node.js install status" FORCE
)
set(VERSION ${INSTALLED_VERSION})
endif()
endif()
endif()
# Create a temporary download directory
set(TEMP ${CMAKE_CURRENT_BINARY_DIR}/temp)
if(EXISTS ${TEMP})
file(REMOVE_RECURSE ${TEMP})
endif()
file(MAKE_DIRECTORY ${TEMP})
# Unless the target is special version "latest", the parameters
# necessary to construct the root path are known
if(NOT VERSION STREQUAL "latest")
set(ROOT ${CMAKE_CURRENT_BINARY_DIR}/${NAME}/${VERSION})
# Extract checksums from the existing checksum file
set(CHECKSUM_TARGET ${ROOT}/CHECKSUM)
endif()
# If we're trying to determine the version or we haven't saved the
# checksum file for this version, download it from the specified server
if(VERSION STREQUAL "latest" OR
(DEFINED ROOT AND NOT EXISTS ${ROOT}/CHECKSUM))
if(DEFINED ROOT)
# Clear away the old checksum in case the new one is different
# and/or it fails to download
file(REMOVE ${ROOT}/CHECKSUM)
endif()
file(REMOVE ${TEMP}/CHECKSUM)
download_file(
${URL}/${VERSION}/${CHECKSUM}
${TEMP}/CHECKSUM
INACTIVITY_TIMEOUT 10
STATUS CHECKSUM_STATUS
)
list(GET CHECKSUM_STATUS 0 CHECKSUM_STATUS)
if(CHECKSUM_STATUS GREATER 0)
file(REMOVE ${TEMP}/CHECKSUM)
message(FATAL_ERROR
"Unable to download checksum file"
)
endif()
# Extract checksums from the temporary file
set(CHECKSUM_TARGET ${TEMP}/CHECKSUM)
endif()
# Extract the version, name, header archive and archive checksum
# from the file. This first extract is what defines / specifies the
# actual version number and name.
file(STRINGS
${CHECKSUM_TARGET} HEADERS_CHECKSUM
REGEX ${HEADERS_MATCH}
LIMIT_COUNT 1
)
if(NOT HEADERS_CHECKSUM)
file(REMOVE ${TEMP}/CHECKSUM)
if(DEFINED ROOT)
file(REMOVE ${ROOT}/CHECKSUM)
endif()
message(FATAL_ERROR "Unable to extract header archive checksum")
endif()
string(REGEX MATCH ${HEADERS_MATCH} HEADERS_CHECKSUM ${HEADERS_CHECKSUM})
set(HEADERS_CHECKSUM ${CMAKE_MATCH_1})
set(NAME ${CMAKE_MATCH_2})
if(CMAKE_MATCH_4 STREQUAL "headers")
set(VERSION ${CMAKE_MATCH_3}-${CMAKE_MATCH_4})
else()
set(VERSION ${CMAKE_MATCH_3})
endif()
set(HEADERS_ARCHIVE
${CMAKE_MATCH_2}-${CMAKE_MATCH_3}-${CMAKE_MATCH_5}${CMAKE_MATCH_6}
)
# Make sure that the root directory exists, and that the checksum
# file has been moved over from temp
if(DEFINED ROOT)
set(OLD_ROOT ${ROOT})
endif()
set(ROOT ${CMAKE_CURRENT_BINARY_DIR}/${NAME}/${VERSION})
if(DEFINED OLD_ROOT AND NOT ROOT STREQUAL "${OLD_ROOT}")
file(REMOVE ${TEMP}/CHECKSUM)
file(REMOVE ${ROOT}/CHECKSUM)
message("${ROOT} -> ${OLD_ROOT}")
message(FATAL_ERROR "Version/Name mismatch")
endif()
file(MAKE_DIRECTORY ${ROOT})
if(EXISTS ${TEMP}/CHECKSUM)
file(REMOVE ${ROOT}/CHECKSUM)
file(RENAME ${TEMP}/CHECKSUM ${ROOT}/CHECKSUM)
endif()
# Now that its fully resolved, report the name and version of Node.exports being
# used
message(STATUS "NodeJS: Using ${NAME}, version ${VERSION}")
# Download the headers for the version being used
# Theoretically, these could be found by searching the installed
# system, but in practice, this can be error prone. They're provided
# on the download servers, so just use the ones there.
if(NOT EXISTS ${ROOT}/include)
file(REMOVE ${TEMP}/${HEADERS_ARCHIVE})
download_file(
${URL}/${VERSION}/${HEADERS_ARCHIVE}
${TEMP}/${HEADERS_ARCHIVE}
INACTIVITY_TIMEOUT 10
EXPECTED_HASH ${CHECKTYPE}=${HEADERS_CHECKSUM}
STATUS HEADERS_STATUS
)
list(GET HEADERS_STATUS 0 HEADERS_STATUS)
if(HEADER_STATUS GREATER 0)
file(REMOVE ${TEMP}/${HEADERS_ARCHIVE})
message(FATAL_ERROR "Unable to download Node.js headers")
endif()
execute_process(
COMMAND ${CMAKE_COMMAND} -E tar xfz ${TEMP}/${HEADERS_ARCHIVE}
WORKING_DIRECTORY ${TEMP}
)
# This adapts the header extraction to support a number of different
# header archive contents in addition to the one used by the
# default Node.exports library
unset(NODEJS_HEADERS_PATH CACHE)
find_path(NODEJS_HEADERS_PATH
NAMES src include
PATHS
${TEMP}/${NAME}-${VERSION}-headers
${TEMP}/${NAME}-${VERSION}
${TEMP}/${NODEJS_DEFAULT_NAME}-${VERSION}-headers
${TEMP}/${NODEJS_DEFAULT_NAME}-${VERSION}
${TEMP}/${NODEJS_DEFAULT_NAME}
${TEMP}/${NODEJS_DEFAULT_NAME}_headers
${TEMP}
NO_DEFAULT_PATH
)
if(NOT NODEJS_HEADERS_PATH)
message(FATAL_ERROR "Unable to find extracted headers folder")
endif()
# Move the headers into a standard location with a standard layout
file(REMOVE ${TEMP}/${HEADERS_ARCHIVE})
file(REMOVE_RECURSE ${ROOT}/include)
if(EXISTS ${NODEJS_HEADERS_PATH}/include/node)
file(RENAME ${NODEJS_HEADERS_PATH}/include/node ${ROOT}/include)
elseif(EXISTS ${NODEJS_HEADERS_PATH}/src)
file(MAKE_DIRECTORY ${ROOT}/include)
if(NOT EXISTS ${NODEJS_HEADERS_PATH}/src)
file(REMOVE_RECURSE ${ROOT}/include)
message(FATAL_ERROR "Unable to find core headers")
endif()
file(COPY ${NODEJS_HEADERS_PATH}/src/
DESTINATION ${ROOT}/include
)
if(NOT EXISTS ${NODEJS_HEADERS_PATH}/deps/uv/include)
file(REMOVE_RECURSE ${ROOT}/include)
message(FATAL_ERROR "Unable to find libuv headers")
endif()
file(COPY ${NODEJS_HEADERS_PATH}/deps/uv/include/
DESTINATION ${ROOT}/include
)
if(NOT EXISTS ${NODEJS_HEADERS_PATH}/deps/v8/include)
file(REMOVE_RECURSE ${ROOT}/include)
message(FATAL_ERROR "Unable to find v8 headers")
endif()
file(COPY ${NODEJS_HEADERS_PATH}/deps/v8/include/
DESTINATION ${ROOT}/include
)
if(NOT EXISTS ${NODEJS_HEADERS_PATH}/deps/zlib)
file(REMOVE_RECURSE ${ROOT}/include)
message(FATAL_ERROR "Unable to find zlib headers")
endif()
file(COPY ${NODEJS_HEADERS_PATH}/deps/zlib/
DESTINATION ${ROOT}/include
)
endif()
file(REMOVE_RECURSE ${NODEJS_HEADERS_PATH})
unset(NODEJS_HEADERS_PATH CACHE)
endif()
# Only download the libraries on windows, since its the only place
# its necessary. Note, this requires rerunning CMake if moving
# a module from one platform to another (should happen automatically
# with most generators)
if(WIN32)
# Download the win32 library for linking
file(STRINGS
${ROOT}/CHECKSUM LIB32_CHECKSUM
LIMIT_COUNT 1
REGEX ${LIB32_MATCH}
)
if(NOT LIB32_CHECKSUM)
message(FATAL_ERROR "Unable to extract x86 library checksum")
endif()
string(REGEX MATCH ${LIB32_MATCH} LIB32_CHECKSUM ${LIB32_CHECKSUM})
set(LIB32_CHECKSUM ${CMAKE_MATCH_1})
set(LIB32_PATH win-x86)
set(LIB32_NAME ${CMAKE_MATCH_4}${CMAKE_MATCH_5})
set(LIB32_TARGET ${CMAKE_MATCH_2}${CMAKE_MATCH_3}${LIB32_NAME})
if(NOT EXISTS ${ROOT}/${LIB32_PATH})
file(REMOVE_RECURSE ${TEMP}/${LIB32_PATH})
download_file(
${URL}/${VERSION}/${LIB32_TARGET}
${TEMP}/${LIB32_PATH}/${LIB32_NAME}
INACTIVITY_TIMEOUT 10
EXPECTED_HASH ${CHECKTYPE}=${LIB32_CHECKSUM}
STATUS LIB32_STATUS
)
list(GET LIB32_STATUS 0 LIB32_STATUS)
if(LIB32_STATUS GREATER 0)
message(FATAL_ERROR
"Unable to download Node.js windows library (32-bit)"
)
endif()
file(REMOVE_RECURSE ${ROOT}/${LIB32_PATH})
file(MAKE_DIRECTORY ${ROOT}/${LIB32_PATH})
file(RENAME
${TEMP}/${LIB32_PATH}/${LIB32_NAME}
${ROOT}/${LIB32_PATH}/${LIB32_NAME}
)
file(REMOVE_RECURSE ${TEMP}/${LIB32_PATH})
endif()
# Download the win64 library for linking
file(STRINGS
${ROOT}/CHECKSUM LIB64_CHECKSUM
LIMIT_COUNT 1
REGEX ${LIB64_MATCH}
)
if(NOT LIB64_CHECKSUM)
message(FATAL_ERROR "Unable to extract x64 library checksum")
endif()
string(REGEX MATCH ${LIB64_MATCH} LIB64_CHECKSUM ${LIB64_CHECKSUM})
set(LIB64_CHECKSUM ${CMAKE_MATCH_1})
set(LIB64_PATH win-x64)
set(LIB64_NAME ${CMAKE_MATCH_4}${CMAKE_MATCH_5})
set(LIB64_TARGET ${CMAKE_MATCH_2}${CMAKE_MATCH_3}${LIB64_NAME})
if(NOT EXISTS ${ROOT}/${LIB64_PATH})
file(REMOVE_RECURSE ${TEMP}/${LIB64_PATH})
download_file(
${URL}/${VERSION}/${LIB64_TARGET}
${TEMP}/${LIB64_PATH}/${LIB64_NAME}
INACTIVITY_TIMEOUT 10
EXPECTED_HASH ${CHECKTYPE}=${LIB64_CHECKSUM}
STATUS LIB64_STATUS
)
list(GET LIB64_STATUS 0 LIB64_STATUS)
if(LIB64_STATUS GREATER 0)
message(FATAL_ERROR
"Unable to download Node.js windows library (64-bit)"
)
endif()
file(REMOVE_RECURSE ${ROOT}/${LIB64_PATH})
file(MAKE_DIRECTORY ${ROOT}/${LIB64_PATH})
file(RENAME
${TEMP}/${LIB64_PATH}/${LIB64_NAME}
${ROOT}/${LIB64_PATH}/${LIB64_NAME}
)
file(REMOVE_RECURSE ${TEMP}/${LIB64_PATH})
endif()
endif()
# The downloaded headers should always be set for inclusion
list(APPEND INCLUDE_DIRS ${ROOT}/include)
# Look for the NAN module, and add it to the includes
find_nodejs_module(
nan
..
NODEJS_NAN_DIR
)
if(NODEJS_NAN_DIR)
list(APPEND INCLUDE_DIRS ${NODEJS_NAN_DIR})
endif()
# Under windows, we need a bunch of libraries (due to the way
# dynamic linking works)
if(WIN32)
# Generate and use a delay load hook to allow the node binary
# name to be changed while still loading native modules
set(DELAY_LOAD_HOOK ${CMAKE_CURRENT_BINARY_DIR}/win_delay_load_hook.c)
nodejs_generate_delayload_hook(${DELAY_LOAD_HOOK})
set(SOURCES ${DELAY_LOAD_HOOK})
# Necessary flags to get delayload working correctly
list(APPEND LINK_FLAGS
"-IGNORE:4199"
"-DELAYLOAD:iojs.exe"
"-DELAYLOAD:node.exe"
"-DELAYLOAD:node.dll"
)
# Core system libraries used by node
list(APPEND LIBRARIES
kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib
advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib
odbc32.lib Shlwapi.lib DelayImp.lib
)
# Also link to the node stub itself (downloaded above)
if(CMAKE_CL_64)
list(APPEND LIBRARIES ${ROOT}/${LIB64_PATH}/${LIB64_NAME})
else()
list(APPEND LIBRARIES ${ROOT}/${LIB32_PATH}/${LIB32_NAME})
endif()
else()
# Non-windows platforms should use these flags
list(APPEND DEFINITIONS _LARGEFILE_SOURCE _FILE_OFFSET_BITS=64)
endif()
# Special handling for OSX / clang to allow undefined symbols
# Define is required by node on OSX
if(APPLE)
list(APPEND LINK_FLAGS "-undefined dynamic_lookup")
list(APPEND DEFINITIONS _DARWIN_USE_64_BIT_INODE=1)
endif()
# Export all settings for use as arguments in the rest of the build
set(NODEJS_VERSION ${VERSION} PARENT_SCOPE)
set(NODEJS_SOURCES ${SOURCES} PARENT_SCOPE)
set(NODEJS_INCLUDE_DIRS ${INCLUDE_DIRS} PARENT_SCOPE)
set(NODEJS_LIBRARIES ${LIBRARIES} PARENT_SCOPE)
set(NODEJS_LINK_FLAGS ${LINK_FLAGS} PARENT_SCOPE)
set(NODEJS_DEFINITIONS ${DEFINITIONS} PARENT_SCOPE)
# Prevents this function from executing more than once
set(NODEJS_INIT TRUE PARENT_SCOPE)
endfunction()
# Helper function for defining a node module
# After nodejs_init, all of the settings and dependencies necessary to do
# this yourself are defined, but this helps make sure everything is configured
# correctly. Feel free to use it as a model to do this by hand (or to
# tweak this configuration if you need something custom).
function(add_nodejs_module NAME)
# Validate name parameter (must be a valid C identifier)
string(MAKE_C_IDENTIFIER ${NAME} ${NAME}_SYMBOL_CHECK)
if(NOT "${NAME}" STREQUAL "${${NAME}_SYMBOL_CHECK}")
message(ERROR
"Module name must be a valid C identifier. "
"Suggested alternative: '${${NAME}_SYMBOL_CHECK}'"
)
endif()
# Make sure node is initialized (variables set) before defining the module
if(NOT NODEJS_INIT)
message(FATAL_ERROR
"Node.js has not been initialized. "
"Call nodejs_init before adding any modules"
)
endif()
# In order to match node-gyp, we need to build into type specific folders
# ncmake takes care of this, but be sure to set CMAKE_BUILD_TYPE yourself
# if invoking CMake directly
if(NOT CMAKE_CONFIGURATION_TYPES AND NOT CMAKE_BUILD_TYPE)
message(FATAL_ERROR
"Configuration type must be specified. "
"Set CMAKE_BUILD_TYPE or use a different generator"
)
endif()
# A node module is a shared library
add_library(${NAME} SHARED ${NODEJS_SOURCES} ${ARGN})
# Add compiler defines for the module
# Two helpful ones:
# MODULE_NAME must match the name of the build library, define that here
# ${NAME}_BUILD is for symbol visibility under windows
string(TOUPPER "${NAME}_BUILD" ${NAME}_BUILD_DEF)
target_compile_definitions(${NAME}
PRIVATE MODULE_NAME=${NAME}
PRIVATE ${${NAME}_BUILD_DEF}
PUBLIC ${NODEJS_DEFINITIONS}
)
# This properly defines includes for the module
target_include_directories(${NAME} PUBLIC ${NODEJS_INCLUDE_DIRS})
# Add link flags to the module
target_link_libraries(${NAME} ${NODEJS_LIBRARIES})
# Set required properties for the module to build properly
# Correct naming, symbol visiblity and C++ standard
set_target_properties(${NAME} PROPERTIES
OUTPUT_NAME ${NAME}
PREFIX ""
SUFFIX ".node"
MACOSX_RPATH ON
C_VISIBILITY_PRESET hidden
CXX_VISIBILITY_PRESET hidden
POSITION_INDEPENDENT_CODE TRUE
CMAKE_CXX_STANDARD_REQUIRED TRUE
CXX_STANDARD 11
)
# Handle link flag cases properly
# When there are link flags, they should be appended to LINK_FLAGS with space separation
# If the list is emtpy (true for most *NIX platforms), this is a no-op
foreach(NODEJS_LINK_FLAG IN LISTS NODEJS_LINK_FLAGS)
set_property(TARGET ${NAME} APPEND_STRING PROPERTY LINK_FLAGS " ${NODEJS_LINK_FLAG}")
endforeach()
# Make sure we're buiilding in a build specific output directory
# Only necessary on single-target generators (Make, Ninja)
# Multi-target generators do this automatically
# This (luckily) mirrors node-gyp conventions
if(NOT CMAKE_CONFIGURATION_TYPES)
set_property(TARGET ${NAME} PROPERTY
LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BUILD_TYPE}
)
endif()
endfunction()
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