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CMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required(VERSION 3.22)
cmake_policy(SET CMP0091 NEW)
cmake_policy(SET CMP0067 NEW)
set(Bun_VERSION "1.0.18")
set(WEBKIT_TAG 0aa1f6dfc9b48be1e89b8f709fd44e3c88feaf33)
set(BUN_WORKDIR "${CMAKE_CURRENT_BINARY_DIR}")
message(STATUS "Configuring Bun ${Bun_VERSION} in ${BUN_WORKDIR}")
# --- Build Type ---
if(NOT CMAKE_BUILD_TYPE)
message(WARNING "No CMAKE_BUILD_TYPE value specified, defaulting to Debug.\nSet a build type with -DCMAKE_BUILD_TYPE=<Debug|Release>")
set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Choose the type of build (Debug, Release)" FORCE)
else()
if(NOT CMAKE_BUILD_TYPE MATCHES "^(Debug|Release)$")
message(FATAL_ERROR
"Invalid CMAKE_BUILD_TYPE value specified: ${CMAKE_BUILD_TYPE}\n"
"CMAKE_BUILD_TYPE must be Debug or Release.")
endif()
message(STATUS "The CMake build type is: ${CMAKE_BUILD_TYPE}")
endif()
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
set(DEBUG ON)
set(DEFAULT_ZIG_OPTIMIZE "Debug")
set(bun "bun-debug")
elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
set(DEBUG OFF)
set(DEFAULT_ZIG_OPTIMIZE "ReleaseFast")
if(WIN32)
# lld-link will strip it for you, so we can build directly to bun.exe
set(bun "bun")
else()
set(bun "bun-profile")
endif()
endif()
# --- LLVM ---
# This detection is a little overkill, but it ensures that the set LLVM_VERSION matches under
# any case possible. Sorry for the complexity...
#
# Bun and WebKit must be compiled with the same compiler, so we do as much as we can to ensure that
# the compiler used for the prebuilt WebKit, LLVM 16, is the one that we detect in this process.
#
# It has to be done before project() is called, so that CMake doesnt pick a compiler for us, but even then
# we do some extra work afterwards to double-check, and we will rerun BUN_FIND_LLVM if the compiler did not match.
#
# If the user passes -DLLVM_PREFIX, most of this logic is skipped, but we still warn if invalid.
set(LLVM_VERSION 16)
macro(BUN_FIND_LLVM)
find_program(
_LLVM_CXX_PATH
NAMES clang++-${LLVM_VERSION} clang++
PATHS ENV PATH ${PLATFORM_LLVM_SEARCH_PATHS}
DOC "Path to LLVM ${LLVM_VERSION}'s clang++ binary. Please pass -DLLVM_PREFIX with the path to LLVM"
)
if(NOT _LLVM_CXX_PATH)
message(FATAL_ERROR "Could not find LLVM ${LLVM_VERSION}, search paths: ${PLATFORM_LLVM_SEARCH_PATHS}")
endif()
set(CMAKE_CXX_COMPILER "${_LLVM_CXX_PATH}")
find_program(
_LLVM_C_PATH
NAMES clang-${LLVM_VERSION} clang
PATHS ENV PATH ${PLATFORM_LLVM_SEARCH_PATHS}
DOC "Path to LLVM ${LLVM_VERSION}'s clang binary. Please pass -DLLVM_PREFIX with the path to LLVM"
)
if(NOT _LLVM_C_PATH)
message(FATAL_ERROR "Could not find LLVM ${LLVM_VERSION}, search paths: ${PLATFORM_LLVM_SEARCH_PATHS}")
endif()
set(CMAKE_C_COMPILER "${_LLVM_C_PATH}")
find_program(
STRIP
NAMES llvm-strip
PATHS ENV PATH ${PLATFORM_LLVM_SEARCH_PATHS}
DOC "Path to LLVM ${LLVM_VERSION}'s llvm-strip binary"
)
find_program(
STRIP
NAMES strip
PATHS ENV PATH ${PLATFORM_LLVM_SEARCH_PATHS}
DOC "Path to LLVM ${LLVM_VERSION}'s llvm-strip binary"
)
find_program(
DSYMUTIL
NAMES dsymutil
PATHS ENV PATH ${PLATFORM_LLVM_SEARCH_PATHS}
DOC "Path to LLVM ${LLVM_VERSION}'s dsymutil binary"
)
find_program(
AR
NAMES llvm-ar
PATHS ENV PATH ${PLATFORM_LLVM_SEARCH_PATHS}
DOC "Path to LLVM ${LLVM_VERSION}'s llvm-ar binary"
)
find_program(
AR
NAMES ar
PATHS ENV PATH ${PLATFORM_LLVM_SEARCH_PATHS}
DOC "Path to LLVM ${LLVM_VERSION}'s llvm-ar binary"
)
find_program(
RANLIB
NAMES llvm-ranlib
PATHS ENV PATH ${PLATFORM_LLVM_SEARCH_PATHS}
DOC "Path to LLVM ${LLVM_VERSION}'s llvm-ar binary"
)
execute_process(COMMAND ${CMAKE_CXX_COMPILER} --version OUTPUT_VARIABLE _tmp)
string(REGEX MATCH "version ([0-9]+)\\.([0-9]+)\\.([0-9]+)" CMAKE_CXX_COMPILER_VERSION "${_tmp}")
set(CMAKE_CXX_COMPILER_VERSION "${CMAKE_MATCH_1}.${CMAKE_MATCH_2}.${CMAKE_MATCH_3}")
endmacro()
if(UNIX)
if(LLVM_PREFIX)
set(PLATFORM_LLVM_SEARCH_PATHS ${LLVM_PREFIX}/bin)
else()
set(PLATFORM_LLVM_SEARCH_PATHS /usr/lib/llvm-${LLVM_VERSION}/bin /usr/lib/llvm${LLVM_VERSION}/bin /usr/bin /usr/local/bin)
if(APPLE)
set(PLATFORM_LLVM_SEARCH_PATHS /opt/homebrew/opt/llvm@${LLVM_VERSION}/bin /opt/homebrew/bin ${PLATFORM_LLVM_SEARCH_PATHS})
endif()
endif()
if(CMAKE_CXX_COMPILER)
set(_LLVM_CXX_PATH "${CMAKE_CXX_COMPILER}")
endif()
if(CMAKE_C_COMPILER)
set(_LLVM_C_PATH "${CMAKE_C_COMPILER}")
endif()
BUN_FIND_LLVM()
else()
# Windows uses Clang-CL
# TODO: good configuration in this regard. -G Ninja will pick clang-cl if possible, which should be fine for most users.
if(NOT CMAKE_C_COMPILER)
set(CMAKE_C_COMPILER "clang-cl")
endif()
if(NOT CMAKE_CXX_COMPILER)
set(CMAKE_CXX_COMPILER "clang-cl")
endif()
find_program(
STRIP
NAMES llvm-strip
PATHS ENV PATH ${PLATFORM_LLVM_SEARCH_PATHS}
DOC "Path to LLVM ${LLVM_VERSION}'s llvm-strip binary"
)
find_program(
AR
NAMES llvm-ar
PATHS ENV PATH ${PLATFORM_LLVM_SEARCH_PATHS}
DOC "Path to LLVM ${LLVM_VERSION}'s llvm-ar binary"
)
endif()
set(CMAKE_COLOR_DIAGNOSTICS ON)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_C_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_C_STANDARD_REQUIRED ON)
project(Bun VERSION "${Bun_VERSION}")
# if(MSVC)
# message(FATAL_ERROR "Bun does not support building with MSVC. Please use `cmake -G Ninja` with LLVM ${LLVM_VERSION} and Ninja.")
# endif()
# More effort to prevent using the wrong C++ compiler
if(UNIX)
if((NOT CMAKE_CXX_COMPILER_ID STREQUAL "Clang") OR(NOT CMAKE_CXX_COMPILER_VERSION MATCHES "^${LLVM_VERSION}\."))
# Attempt to auto-correct the compiler
message(STATUS "Compiler mismatch, attempting to auto-correct")
unset(_LLVM_CXX_PATH)
BUN_FIND_LLVM()
if((NOT CMAKE_CXX_COMPILER_ID STREQUAL "Clang") OR(NOT CMAKE_CXX_COMPILER_VERSION MATCHES "^${LLVM_VERSION}\."))
message(WARNING "Expected LLVM ${LLVM_VERSION} as the C++ compiler, build may fail or break at runtime.")
endif()
endif()
endif()
message(STATUS "C++ Compiler: ${CMAKE_CXX_COMPILER_ID} ${CMAKE_CXX_COMPILER_VERSION} at ${CMAKE_CXX_COMPILER}")
# --- End LLVM ---
if(NOT WIN32)
set(SHELL "bash")
set(SCRIPT_EXTENSION "sh")
else()
set(SCRIPT_EXTENSION "ps1")
# pwsh is the new powershell, powershell is the old one.
find_program(SHELL NAMES pwsh powershell)
endif()
set(DEFAULT_ON_UNLESS_APPLE ON)
if(APPLE)
set(DEFAULT_ON_UNLESS_APPLE OFF)
endif()
set(CI OFF)
if(DEFINED ENV{CI} OR DEFINED ENV{GITHUB_ACTIONS})
set(CI ON)
endif()
set(DEFAULT_USE_STATIC_LIBATOMIC ON)
set(DEFAULT_USE_DEBUG_JSC, OFF)
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
set(DEFAULT_USE_DEBUG_JSC ON)
endif()
if(UNIX AND NOT APPLE)
execute_process(COMMAND cat /etc/os-release COMMAND head -n1 OUTPUT_VARIABLE LINUX_DISTRO)
if(${LINUX_DISTRO} STREQUAL "NAME=\"Arch Linux\"\n")
set(DEFAULT_USE_STATIC_LIBATOMIC OFF)
endif()
endif()
# -- Build Flags --
option(USE_STATIC_SQLITE "Statically link SQLite?" ${DEFAULT_ON_UNLESS_APPLE})
option(USE_CUSTOM_ZLIB "Use Bun's recommended version of zlib" ON)
option(USE_CUSTOM_BORINGSSL "Use Bun's recommended version of BoringSSL" ON)
option(USE_CUSTOM_LIBARCHIVE "Use Bun's recommended version of libarchive" ON)
option(USE_CUSTOM_MIMALLOC "Use Bun's recommended version of Mimalloc" ON)
option(USE_CUSTOM_ZSTD "Use Bun's recommended version of zstd" ON)
option(USE_CUSTOM_CARES "Use Bun's recommended version of c-ares" ON)
option(USE_CUSTOM_BASE64 "Use Bun's recommended version of libbase64" ON)
option(USE_CUSTOM_LOLHTML "Use Bun's recommended version of lolhtml" ON)
option(USE_CUSTOM_TINYCC "Use Bun's recommended version of tinycc" ON)
option(USE_CUSTOM_LIBUV "Use Bun's recommended version of libuv (Windows only)" ON)
option(USE_CUSTOM_LSHPACK "Use Bun's recommended version of ls-hpack" ON)
option(USE_BASELINE_BUILD "Build Bun for baseline (older) CPUs" OFF)
option(ZIG_OPTIMIZE "Optimization level for Zig" ${DEFAULT_ZIG_OPTIMIZE})
option(USE_DEBUG_JSC "Enable assertions and use a debug build of JavaScriptCore" ${DEFAULT_USE_DEBUG_JSC})
option(USE_UNIFIED_SOURCES "Use unified sources to speed up the build" OFF)
option(USE_STATIC_LIBATOMIC "Statically link libatomic, requires the presence of libatomic.a" ${DEFAULT_USE_STATIC_LIBATOMIC})
if(NOT CANARY)
set(CANARY 0)
endif()
if(NOT ZIG_OPTIMIZE)
set(ZIG_OPTIMIZE ${DEFAULT_ZIG_OPTIMIZE})
endif()
set(ERROR_LIMIT 100 CACHE STRING "Maximum number of errors to show when compiling C++ code")
set(ARCH x86_64)
if(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|arm64|arm")
set(ARCH aarch64)
endif()
if(NOT CPU_TARGET)
if(DEFINED ENV{CPU_TARGET})
set(CPU_TARGET $ENV{CPU_TARGET})
else()
set(CPU_TARGET "native" CACHE STRING "CPU target for the compiler" FORCE)
if(ARCH STREQUAL "x86_64")
if(USE_BASELINE_BUILD)
set(CPU_TARGET "nehalem")
else()
set(CPU_TARGET "haswell")
endif()
endif()
endif()
endif()
message(STATUS "Building for CPU Target: ${CPU_TARGET}")
if(NOT ZIG_TARGET)
set(ZIG_TARGET "native")
if(WIN32)
set(ZIG_TARGET "${ARCH}-windows-msvc")
endif()
endif()
set(CONFIGURE_DEPENDS "CONFIGURE_DEPENDS")
if(NO_CONFIGURE_DEPENDS)
set(CONFIGURE_DEPENDS "")
endif()
# --- CLI Paths ---
set(REQUIRED_IF_NOT_ONLY_CPP_OR_LINK "")
if(NOT BUN_CPP_ONLY AND NOT BUN_LINK_ONLY)
set(REQUIRED_IF_NOT_ONLY_CPP_OR_LINK "REQUIRED")
endif()
# Zig Compiler
function(validate_zig validator_result_var item)
set(${validator_result_var} FALSE PARENT_SCOPE)
# We will allow any valid zig compiler, as long as it contains some text from `zig zen`
# Ideally we would do a version or feature check, but that would be quite slow
execute_process(COMMAND ${item} zen OUTPUT_VARIABLE ZIG_ZEN_OUTPUT)
if(ZIG_ZEN_OUTPUT MATCHES "Together we serve the users")
set(${validator_result_var} TRUE PARENT_SCOPE)
else()
set(${validator_result_var} FALSE PARENT_SCOPE)
endif()
endfunction()
if (WIN32 OR ZIG_COMPILER)
if(ZIG_COMPILER STREQUAL "system")
message(STATUS "Using system Zig compiler")
unset(ZIG_COMPILER_)
endif()
find_program(ZIG_COMPILER_ zig ${REQUIRED_IF_NOT_ONLY_CPP_OR_LINK} DOC "Path to the Zig compiler" VALIDATOR validate_zig)
set(ZIG_COMPILER "${ZIG_COMPILER_}")
message(STATUS "Found Zig Compiler: ${ZIG_COMPILER}")
elseif(NOT BUN_CPP_ONLY AND NOT BUN_LINK_ONLY)
execute_process(
COMMAND "${SHELL}"
"${CMAKE_CURRENT_SOURCE_DIR}/scripts/download-zig.${SCRIPT_EXTENSION}"
)
if(NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/.cache/zig/zig")
message(FATAL_ERROR "Auto-installation of Zig failed. Please pass -DZIG_COMPILER=system or a path to the Zig")
endif()
set(ZIG_COMPILER "${CMAKE_CURRENT_SOURCE_DIR}/.cache/zig/zig")
message(STATUS "Installed Zig Compiler: ${ZIG_COMPILER}")
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "build.zig")
endif()
# Bun
if(NOT WIN32)
find_program(BUN_EXECUTABLE bun ${REQUIRED_IF_NOT_ONLY_CPP_OR_LINK} DOC "Path to an already built release of Bun")
message(STATUS "Found Bun: ${BUN_EXECUTABLE}")
else()
set(BUN_EXECUTABLE "echo")
endif()
# Prettier
find_program(PRETTIER prettier DOC "Path to prettier" PATHS ./node_modules/.bin ENV PATH)
# Esbuild (TODO: switch these to "bun build")
find_program(ESBUILD esbuild DOC "Path to esbuild" PATHS ./node_modules/.bin ENV PATH)
# Ruby (only needed for unified sources)
if(USE_UNIFIED_SOURCES)
# ruby 'WebKit/Source/WTF/Scripts/generate-unified-source-bundles.rb' source_list.txt --source-tree-path . --derived-sources-path build/unified-sources
find_program(RUBY ruby DOC "Path to ruby")
endif()
# CCache
find_program(CCACHE_PROGRAM sccache)
find_program(CCACHE_PROGRAM ccache)
if(CCACHE_PROGRAM)
set(CMAKE_CXX_COMPILER_LAUNCHER "${CCACHE_PROGRAM}")
set(CMAKE_C_COMPILER_LAUNCHER "${CCACHE_PROGRAM}")
message(STATUS "Using ccache: ${CCACHE_PROGRAM}")
endif()
# --- WebKit ---
# WebKit is either prebuilt and distributed via NPM, or you can pass WEBKIT_DIR to use a local build.
# We cannot include their CMake build files (TODO: explain why, for now ask @paperdave why)
#
# On Unix, this will pull from NPM the single package that is needed and use that
if(WIN32)
set(STATIC_LIB_EXT "lib")
set(libJavaScriptCore "JavaScriptCore")
set(libWTF "WTF")
else()
set(STATIC_LIB_EXT "a")
set(libJavaScriptCore "libJavaScriptCore")
set(libWTF "libWTF")
endif()
if(NOT WEBKIT_DIR)
set(BUN_WEBKIT_PACKAGE_NAME_SUFFIX "")
set(ASSERT_ENABLED "0")
if(USE_DEBUG_JSC)
add_compile_definitions("BUN_DEBUG=1")
set(BUN_WEBKIT_PACKAGE_NAME_SUFFIX "-debug")
set(ASSERT_ENABLED "1")
elseif(NOT DEBUG AND NOT WIN32)
set(BUN_WEBKIT_PACKAGE_NAME_SUFFIX "-lto")
set(ASSERT_ENABLED "0")
endif()
if(WIN32)
set(BUN_WEBKIT_PACKAGE_PLATFORM "windows")
elseif(APPLE)
set(BUN_WEBKIT_PACKAGE_PLATFORM "macos")
else()
set(BUN_WEBKIT_PACKAGE_PLATFORM "linux")
endif()
if(ARCH STREQUAL "x86_64")
set(BUN_WEBKIT_PACKAGE_ARCH "amd64")
elseif(ARCH MATCHES "aarch64|arm64|arm")
set(BUN_WEBKIT_PACKAGE_ARCH "arm64")
endif()
set(BUN_WEBKIT_PACKAGE_NAME "bun-webkit-${BUN_WEBKIT_PACKAGE_PLATFORM}-${BUN_WEBKIT_PACKAGE_ARCH}${BUN_WEBKIT_PACKAGE_NAME_SUFFIX}")
message(STATUS "Using Pre-built WebKit: ${BUN_WEBKIT_PACKAGE_NAME}")
execute_process(
COMMAND "${SHELL}"
"${CMAKE_CURRENT_SOURCE_DIR}/scripts/download-webkit.${SCRIPT_EXTENSION}"
"${BUN_WORKDIR}/bun-webkit"
"${WEBKIT_TAG}"
"${BUN_WEBKIT_PACKAGE_NAME}"
WORKING_DIRECTORY ${BUN_WORKDIR}
)
if(NOT EXISTS "${BUN_WORKDIR}/bun-webkit")
message(FATAL_ERROR "Prebuilt WebKit package ${BUN_WEBKIT_PACKAGE_NAME} failed to install")
endif()
set(WEBKIT_INCLUDE_DIR "${BUN_WORKDIR}/bun-webkit/include")
set(WEBKIT_LIB_DIR "${BUN_WORKDIR}/bun-webkit/lib")
elseif(WEBKIT_DIR STREQUAL "omit")
message(STATUS "Not using WebKit. This is only valid if you are only trying to build Zig code")
else()
# Expected to be WebKit/WebKitBuild/${CMAKE_BUILD_TYPE}
if(USE_DEBUG_JSC AND EXISTS "${WEBKIT_DIR}/cmakeconfig.h")
# You may need to run:
# make jsc-compile-debug jsc-copy-headers
include_directories(
"${WEBKIT_DIR}/"
"${WEBKIT_DIR}/JavaScriptCore/PrivateHeaders"
"${WEBKIT_DIR}/bmalloc/Headers"
"${WEBKIT_DIR}/WTF/Headers"
)
set(WEBKIT_LIB_DIR "${WEBKIT_DIR}/lib")
if(USE_DEBUG_JSC)
add_compile_definitions("BUN_DEBUG=1")
set(ASSERT_ENABLED "1")
endif()
else()
if(NOT EXISTS "${WEBKIT_DIR}/lib/${libWTF}.${STATIC_LIB_EXT}" OR NOT EXISTS "${WEBKIT_DIR}/lib/${libJavaScriptCore}.${STATIC_LIB_EXT}")
if(WEBKIT_DIR MATCHES "src/bun.js/WebKit$")
message(FATAL_ERROR "WebKit directory ${WEBKIT_DIR} does not contain all the required files for Bun. Did you forget to init submodules?")
endif()
message(FATAL_ERROR "WebKit directory ${WEBKIT_DIR} does not contain all the required files for Bun. Expected a path to the oven-sh/WebKit repository, or a path to a folder containing `include` and `lib`.")
endif()
set(WEBKIT_INCLUDE_DIR "${WEBKIT_DIR}/include")
set(WEBKIT_LIB_DIR "${WEBKIT_DIR}/lib")
message(STATUS "Using specified WebKit directory: ${WEBKIT_DIR}")
set(ASSERT_ENABLED "0")
message(STATUS "WebKit assertions: OFF")
endif()
endif()
# --- CMake Macros ---
# Append the given dependencies to the source file
macro(WEBKIT_ADD_SOURCE_DEPENDENCIES _source _deps)
set(_tmp)
get_source_file_property(_tmp ${_source} OBJECT_DEPENDS)
if(NOT _tmp)
set(_tmp "")
endif()
foreach(f ${_deps})
list(APPEND _tmp "${f}")
endforeach()
set_source_files_properties(${_source} PROPERTIES OBJECT_DEPENDS "${_tmp}")
unset(_tmp)
endmacro()
# --- BUILD ---
set(BUN_SRC "${CMAKE_CURRENT_SOURCE_DIR}/src")
set(BUN_DEPS_DIR "${BUN_SRC}/deps")
set(BUN_CODEGEN_SRC "${BUN_SRC}/codegen")
if(NOT BUN_DEPS_OUT_DIR)
set(BUN_DEPS_OUT_DIR "${BUN_DEPS_DIR}")
endif()
set(BUN_RAW_SOURCES, "")
file(GLOB BUN_CPP ${CONFIGURE_DEPENDS}
"${BUN_SRC}/deps/*.cpp"
"${BUN_SRC}/io/*.cpp"
"${BUN_SRC}/bun.js/modules/*.cpp"
"${BUN_SRC}/bun.js/bindings/*.cpp"
"${BUN_SRC}/bun.js/bindings/webcore/*.cpp"
"${BUN_SRC}/bun.js/bindings/sqlite/*.cpp"
"${BUN_SRC}/bun.js/bindings/webcrypto/*.cpp"
"${BUN_SRC}/bun.js/bindings/webcrypto/*/*.cpp"
"${BUN_SRC}/deps/picohttpparser/picohttpparser.c"
)
list(APPEND BUN_RAW_SOURCES ${BUN_CPP})
set(USOCKETS_SRC "${CMAKE_CURRENT_SOURCE_DIR}/packages/bun-usockets/src")
file(GLOB USOCKETS_FILES ${CONFIGURE_DEPENDS}
"${USOCKETS_SRC}/*.c"
"${USOCKETS_SRC}/eventing/*.c"
"${USOCKETS_SRC}/internal/*.c"
"${USOCKETS_SRC}/crypto/*.c"
"${USOCKETS_SRC}/crypto/*.cpp"
)
list(APPEND BUN_RAW_SOURCES ${USOCKETS_FILES})
# --- Classes Generator ---
file(GLOB BUN_CLASSES_TS ${CONFIGURE_DEPENDS}
"${BUN_SRC}/bun.js/*.classes.ts"
"${BUN_SRC}/bun.js/api/*.classes.ts"
"${BUN_SRC}/bun.js/test/*.classes.ts"
"${BUN_SRC}/bun.js/webcore/*.classes.ts"
"${BUN_SRC}/bun.js/node/*.classes.ts"
)
add_custom_command(
OUTPUT "${BUN_WORKDIR}/codegen/ZigGeneratedClasses.h"
"${BUN_WORKDIR}/codegen/ZigGeneratedClasses.cpp"
"${BUN_WORKDIR}/codegen/ZigGeneratedClasses+lazyStructureHeader.h"
"${BUN_WORKDIR}/codegen/ZigGeneratedClasses+DOMClientIsoSubspaces.h"
"${BUN_WORKDIR}/codegen/ZigGeneratedClasses+DOMIsoSubspaces.h"
"${BUN_WORKDIR}/codegen/ZigGeneratedClasses+lazyStructureImpl.h"
"${BUN_WORKDIR}/codegen/ZigGeneratedClasses.zig"
COMMAND ${BUN_EXECUTABLE} "${BUN_CODEGEN_SRC}/generate-classes.ts" ${BUN_CLASSES_TS} "${BUN_WORKDIR}/codegen"
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
MAIN_DEPENDENCY "${BUN_CODEGEN_SRC}/generate-classes.ts"
DEPENDS ${BUN_CLASSES_TS}
VERBATIM
COMMENT "Generating *.classes.ts bindings"
)
list(APPEND BUN_RAW_SOURCES "${BUN_WORKDIR}/codegen/ZigGeneratedClasses.cpp")
# --- JSSink Generator ---
add_custom_command(
OUTPUT "${BUN_WORKDIR}/codegen/JSSink.cpp"
"${BUN_WORKDIR}/codegen/JSSink.h"
COMMAND ${BUN_EXECUTABLE} "src/codegen/generate-jssink.ts" "${BUN_WORKDIR}/codegen"
VERBATIM
MAIN_DEPENDENCY "src/codegen/generate-jssink.ts"
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
COMMENT "Generating JSSink"
)
list(APPEND BUN_RAW_SOURCES "${BUN_WORKDIR}/codegen/JSSink.cpp")
# --- .lut.h Generator ---
set(BUN_OBJECT_LUT_SOURCES
bun.js/bindings/BunObject.cpp
bun.js/bindings/ZigGlobalObject.lut.txt
bun.js/bindings/JSBuffer.cpp
bun.js/bindings/BunProcess.cpp
bun.js/bindings/ProcessBindingConstants.cpp
bun.js/bindings/ProcessBindingNatives.cpp
)
set(BUN_OBJECT_LUT_OUTPUTS "")
set(BUN_HASH_LUT_GENERATOR "${BUN_CODEGEN_SRC}/create-hash-table.ts")
if(NOT BUN_LINK_ONLY)
macro(GENERATE_HASH_LUT _input _output _display_name)
if(NOT NO_CODEGEN)
add_custom_command(
OUTPUT ${_output}
MAIN_DEPENDENCY ${BUN_HASH_LUT_GENERATOR}
DEPENDS ${_input}
COMMAND ${BUN_EXECUTABLE} ${BUN_HASH_LUT_GENERATOR} ${_input} ${_output}
VERBATIM
COMMENT "Generating ${_display_name}"
)
endif()
list(APPEND BUN_OBJECT_LUT_OUTPUTS "${_output}")
# list(APPEND Bun_HEADERS ${_output})
WEBKIT_ADD_SOURCE_DEPENDENCIES(${_input} ${_output})
endmacro()
foreach(_file ${BUN_OBJECT_LUT_SOURCES})
if(NOT EXISTS "${BUN_SRC}/${_file}")
message(FATAL_ERROR "Could not find ${_file} needed for LUT generation")
endif()
get_filename_component(_name ${_file} NAME_WE)
# workaround for ZigGlobalObject
if(_name MATCHES "ZigGlobalObject")
set(_name "ZigGlobalObject")
endif()
GENERATE_HASH_LUT(${BUN_SRC}/${_file} ${BUN_WORKDIR}/codegen/${_name}.lut.h ${_name}.lut.h)
endforeach()
WEBKIT_ADD_SOURCE_DEPENDENCIES(${BUN_SRC}/bun.js/bindings/ZigGlobalObject.cpp ${BUN_WORKDIR}/codegen/ZigGlobalObject.lut.h)
endif()
# --- Identifier Cache ---
if(NOT NO_CODEGEN)
set(BUN_IDENTIFIER_CACHE_OUT
"${BUN_SRC}/js_lexer/id_continue_bitset.blob"
"${BUN_SRC}/js_lexer/id_continue_bitset.meta.blob"
"${BUN_SRC}/js_lexer/id_start_bitset.blob"
"${BUN_SRC}/js_lexer/id_start_bitset.meta.blob")
add_custom_command(
OUTPUT ${BUN_IDENTIFIER_CACHE_OUT}
MAIN_DEPENDENCY "${BUN_SRC}/js_lexer/identifier_data.zig"
DEPENDS "${BUN_SRC}/js_lexer/identifier_cache.zig"
COMMAND ${ZIG_COMPILER} run "${BUN_SRC}/js_lexer/identifier_data.zig"
VERBATIM
COMMENT "Building Identifier Cache"
)
endif()
# --- Bundled TS/JS ---
# Note: It's not worth doing this in parallel at the CMake/Ninja level, because this bundling
# requires all the JS files to be known, but also Bun will use all cores during bundling anyways.
if(NOT NO_CODEGEN)
file(GLOB BUN_TS_MODULES ${CONFIGURE_DEPENDS}
"${BUN_SRC}/js/node/*.ts"
"${BUN_SRC}/js/node/*.js"
"${BUN_SRC}/js/bun/*.js"
"${BUN_SRC}/js/bun/*.ts"
"${BUN_SRC}/js/thirdparty/*.js"
"${BUN_SRC}/js/thirdparty/*.ts"
"${BUN_SRC}/js/internal/*.js"
"${BUN_SRC}/js/internal/*.ts"
)
file(GLOB BUN_TS_FUNCTIONS ${CONFIGURE_DEPENDS} "${BUN_SRC}/js/builtins/*.ts")
file(GLOB CODEGEN_FILES ${CONFIGURE_DEPENDS} "${BUN_CODEGEN_SRC}/*.ts")
add_custom_command(
OUTPUT
"${BUN_WORKDIR}/codegen/InternalModuleRegistryConstants.h"
"${BUN_WORKDIR}/codegen/InternalModuleRegistry+createInternalModuleById.h"
"${BUN_WORKDIR}/codegen/InternalModuleRegistry+enum.h"
"${BUN_WORKDIR}/codegen/InternalModuleRegistry+numberOfModules.h"
"${BUN_WORKDIR}/codegen/NativeModuleImpl.h"
"${BUN_WORKDIR}/codegen/ResolvedSourceTag.zig"
"${BUN_WORKDIR}/codegen/SyntheticModuleType.h"
COMMAND ${BUN_EXECUTABLE} "${BUN_SRC}/codegen/bundle-modules.ts" "--debug=${DEBUG}" "${BUN_WORKDIR}"
DEPENDS ${BUN_TS_MODULES} ${CODEGEN_FILES}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
COMMENT "Bundling JS modules"
)
endif()
WEBKIT_ADD_SOURCE_DEPENDENCIES(
"${BUN_SRC}/bun.js/bindings/InternalModuleRegistry.cpp"
"${BUN_WORKDIR}/codegen/InternalModuleRegistryConstants.h"
)
add_custom_command(
OUTPUT "${BUN_WORKDIR}/codegen/WebCoreJSBuiltins.cpp"
"${BUN_WORKDIR}/codegen/WebCoreJSBuiltins.h"
COMMAND ${BUN_EXECUTABLE} "${BUN_SRC}/codegen/bundle-functions.ts" "--debug=${DEBUG}" "${BUN_WORKDIR}"
DEPENDS ${BUN_TS_FUNCTIONS} ${CODEGEN_FILES}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
COMMENT "Bundling JS builtin functions"
)
list(APPEND BUN_RAW_SOURCES "${BUN_WORKDIR}/codegen/WebCoreJSBuiltins.cpp")
# --- Peechy API ---
# if(NOT NO_CODEGEN)
# add_custom_command(
# OUTPUT "${BUN_SRC}/api/schema.js"
# "${BUN_SRC}/api/schema.d.ts"
# "${BUN_SRC}/api/schema.zig"
# WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
# COMMAND "${CMAKE_CURRENT_SOURCE_DIR}/node_modules/.bin/peechy"
# "--schema" "${BUN_SRC}/api/schema.peechy"
# "--esm" "${BUN_SRC}/api/schema.js"
# "--ts" "${BUN_SRC}/api/schema.d.ts"
# "--zig" "${BUN_SRC}/api/schema.zig"
# COMMAND "${ZIG_COMPILER}" "fmt" "src/api/schema.zig"
# COMMAND "${PRETTIER}" "--config=.prettierrc.cjs" "--write" "src/api/schema.js" "src/api/schema.d.ts"
# DEPENDS "${BUN_SRC}/api/schema.peechy"
# COMMENT "Building schema"
# )
# add_custom_command(
# OUTPUT "${BUN_SRC}/analytics/analytics_schema.zig"
# WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
# COMMAND "${CMAKE_CURRENT_SOURCE_DIR}/node_modules/.bin/peechy"
# "--schema" "${BUN_SRC}/analytics/schema.peechy"
# "--zig" "${BUN_SRC}/analytics/analytics_schema.zig"
# COMMAND "${ZIG_COMPILER}" "fmt" "${BUN_SRC}/analytics/analytics_schema.zig"
# DEPENDS "${BUN_SRC}/api/schema.peechy"
# COMMENT "Building analytics_schema.zig"
# )
# endif()
# --- Runtime.js ---
if(NOT NO_CODEGEN)
add_custom_command(
OUTPUT "src/fallback.out.js"
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
COMMAND "${ESBUILD}" "--target=esnext" "--bundle" "src/fallback.ts" "--format=iife" "--platform=browser" "--minify" "--outfile=src/fallback.out.js"
DEPENDS "src/fallback.ts"
)
endif()
# --- Zig Object ---
file(GLOB ZIG_FILES
"${BUN_SRC}/*.zig"
"${BUN_SRC}/*/*.zig"
"${BUN_SRC}/*/*/*.zig"
"${BUN_SRC}/*/*/*/*.zig"
"${BUN_SRC}/*/*/*/*/*.zig"
)
if(NOT BUN_ZIG_OBJ)
set(BUN_ZIG_OBJ "${BUN_WORKDIR}/CMakeFiles/bun-zig.o")
endif()
get_filename_component(BUN_ZIG_OBJ "${BUN_ZIG_OBJ}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}")
set(USES_TERMINAL_NOT_IN_CI "")
if(NOT CI)
set(USES_TERMINAL_NOT_IN_CI "USES_TERMINAL")
endif()
if(NOT BUN_LINK_ONLY AND NOT BUN_CPP_ONLY)
add_custom_command(
OUTPUT "${BUN_ZIG_OBJ}"
COMMAND
"${ZIG_COMPILER}" "build" "obj"
"-Doutput-file=${BUN_ZIG_OBJ}"
"-Dgenerated-code=${BUN_WORKDIR}/codegen"
"-Dversion=${Bun_VERSION}"
"-Dcanary=${CANARY}"
"-Doptimize=${ZIG_OPTIMIZE}"
"-Dcpu=${CPU_TARGET}"
"-Dtarget=${ZIG_TARGET}"
DEPENDS
"${CMAKE_CURRENT_SOURCE_DIR}/build.zig"
"${ZIG_FILES}"
"${BUN_WORKDIR}/codegen/ZigGeneratedClasses.zig"
"${BUN_WORKDIR}/codegen/ResolvedSourceTag.zig"
"${BUN_IDENTIFIER_CACHE_OUT}"
"${BUN_SRC}/api/schema.zig"
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
COMMENT "Building zig code"
VERBATIM
# This is here to show Zig's progress indicator
${USES_TERMINAL_NOT_IN_CI}
)
endif()
if(WIN32)
list(APPEND BUN_RAW_SOURCES "${BUN_SRC}/bun.js/bindings/windows/musl-memmem.c")
include_directories("${BUN_SRC}/bun.js/bindings/windows")
endif()
if(NOT BUN_CPP_ARCHIVE)
# TODO: unified sources
set(BUN_SOURCES ${BUN_RAW_SOURCES})
else()
# used by ci
set(BUN_SOURCES "")
add_link_options("${BUN_CPP_ARCHIVE}")
endif()
# -- Windows resources (app icon) --
if(CANARY GREATER 0)
set(Bun_VERSION_WITH_TAG "${Bun_VERSION}-canary.${CANARY}")
else()
set(Bun_VERSION_WITH_TAG "${Bun_VERSION}")
endif()
if(WIN32)
set(BUN_ICO_PATH "${BUN_SRC}/bun.ico")
configure_file("${BUN_SRC}/windows-app-info.rc" "${BUN_WORKDIR}/CMakeFiles/windows-app-info.rc")
list(APPEND BUN_SOURCES "${BUN_WORKDIR}/CMakeFiles/windows-app-info.rc")
endif()
# -- The Buntime™️ ---
if(NOT BUN_CPP_ONLY)
add_executable(${bun} "${BUN_SOURCES}" "${BUN_ZIG_OBJ}")
else()
add_executable(${bun} "${BUN_SOURCES}")
endif()
set_target_properties(${bun} PROPERTIES
CXX_STANDARD 20
CXX_STANDARD_REQUIRED YES
CXX_EXTENSIONS YES
CXX_VISIBILITY_PRESET hidden
C_STANDARD 17
C_STANDARD_REQUIRED YES
VISIBILITY_INLINES_HIDDEN YES
)
add_compile_definitions(
# TODO: are all of these variables strictly necessary?
"_HAS_EXCEPTIONS=0"
"LIBUS_USE_OPENSSL=1"
"UWS_HTTPRESPONSE_NO_WRITEMARK=1"
"LIBUS_USE_BORINGSSL=1"
"WITH_BORINGSSL=1"
"STATICALLY_LINKED_WITH_JavaScriptCore=1"
"STATICALLY_LINKED_WITH_WTF=1"
"STATICALLY_LINKED_WITH_BMALLOC=1"
"BUILDING_WITH_CMAKE=1"
"JSC_OBJC_API_ENABLED=0"
"BUN_SINGLE_THREADED_PER_VM_ENTRY_SCOPE=1"
"NAPI_EXPERIMENTAL=ON"
"NOMINMAX"
"IS_BUILD"
"BUILDING_JSCONLY__"
"BUN_DYNAMIC_JS_LOAD_PATH=\"${BUN_WORKDIR}/js\""
)
if(NOT ASSERT_ENABLED)
add_compile_definitions("NDEBUG=1")
else()
add_compile_definitions("ASSERT_ENABLED=1")
endif()
include_directories(
${CMAKE_CURRENT_SOURCE_DIR}/packages/
${CMAKE_CURRENT_SOURCE_DIR}/packages/bun-usockets
${CMAKE_CURRENT_SOURCE_DIR}/packages/bun-usockets/src
${CMAKE_CURRENT_SOURCE_DIR}/src/bun.js/bindings
${CMAKE_CURRENT_SOURCE_DIR}/src/bun.js/bindings/webcore
${CMAKE_CURRENT_SOURCE_DIR}/src/bun.js/bindings/webcrypto
${CMAKE_CURRENT_SOURCE_DIR}/src/bun.js/bindings/sqlite
${CMAKE_CURRENT_SOURCE_DIR}/src/bun.js/modules
${CMAKE_CURRENT_SOURCE_DIR}/src/js/builtins
${CMAKE_CURRENT_SOURCE_DIR}/src/napi
${CMAKE_CURRENT_SOURCE_DIR}/src/deps
${CMAKE_CURRENT_SOURCE_DIR}/src/deps/picohttpparser
${WEBKIT_INCLUDE_DIR}
"${BUN_WORKDIR}/codegen"
)
# -- BUN_CPP_ONLY Target
if(NOT BUN_CPP_ARCHIVE)
if(BUN_CPP_ONLY)
if(NOT WIN32)
string(REPLACE ";" ".o\n " BUN_OBJECT_LIST "${BUN_SOURCES}.o")
string(REPLACE "${BUN_WORKDIR}/" "CMakeFiles/${bun}.dir/" BUN_OBJECT_LIST "${BUN_OBJECT_LIST}")
string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "CMakeFiles/${bun}.dir/" BUN_OBJECT_LIST "${BUN_OBJECT_LIST}")
write_file("${BUN_WORKDIR}/compile-cpp-only.sh"
"#!/usr/bin/env bash\n"
"# this file is generated in CMakeLists.txt\n"
"set -ex\n"
"OBJ_LIST=(\n ${BUN_OBJECT_LIST}\n)\n"
"ninja \${OBJ_LIST[@]} $@\n"
"\"${AR}\" rcvs bun-cpp-objects.a \${OBJ_LIST[@]}\n"
"echo '-> bun-cpp-objects.a'\n"
)
else()
string(REPLACE ";" ".obj\",\n \"" BUN_OBJECT_LIST "\"${BUN_SOURCES}.obj\"")
string(REPLACE "rc.obj" "rc.res" BUN_OBJECT_LIST "${BUN_OBJECT_LIST}")
string(REPLACE "${BUN_WORKDIR}/" "CMakeFiles/${bun}.dir/" BUN_OBJECT_LIST "${BUN_OBJECT_LIST}")
string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "CMakeFiles/${bun}.dir/" BUN_OBJECT_LIST "${BUN_OBJECT_LIST}")
write_file("${BUN_WORKDIR}/compile-cpp-only.ps1"
"# this file is generated in CMakeLists.txt\n"
"$ErrorActionPreference = \"Stop\"\n"
"$ObjectFiles=@(\n ${BUN_OBJECT_LIST}\n)\n"
"ninja @ObjectFiles @args\n"
"& \"${AR}\" rcvs bun-cpp-objects.a @ObjectFiles\n"
"Write-Host '-> bun-cpp-objects.a'\n"
)
endif()
endif()
else()
set_target_properties(${bun} PROPERTIES LINKER_LANGUAGE CXX)
endif()
# --- clang and linker flags ---
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
if(NOT WIN32)
target_compile_options(${bun} PUBLIC -g3 -O1 -gdwarf-4
-Werror=return-type
-Werror=return-stack-address
-Werror=implicit-function-declaration
)
else()
target_compile_options(${bun} PUBLIC -O1)
endif()
add_compile_definitions("BUN_DEBUG=1")
elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
if(NOT WIN32)
target_compile_options(${bun} PUBLIC -O3 -flto=full -emit-llvm -g1
-Werror=return-type
-Werror=return-stack-address
-Werror=implicit-function-declaration
)
else()
target_compile_options(${bun} PUBLIC /O2 -flto=full)
target_link_options(${bun} PUBLIC /LTCG)
endif()
endif()
if(NOT CI AND NOT WIN32)
target_compile_options(${bun} PRIVATE -fdiagnostics-color=always)
endif()
if(NOT CPU_TARGET STREQUAL "native")
# passing -march=native to clang will break older systems
# by default on x64, CPU_TARGET is set to "haswell" or "nehalem" depending on baseline
# on arm, this argument will not be passed.
target_compile_options(${bun} PUBLIC "-march=${CPU_TARGET}")
else()
if(APPLE AND ARCH STREQUAL "aarch64")
# On arm macOS, we can set it to a minimum of the M1 cpu set. this might be the default already.
target_compile_options(${bun} PUBLIC "-mcpu=apple-m1")
endif()
endif()
target_compile_options(${bun} PUBLIC -ferror-limit=${ERROR_LIMIT})
if(WIN32)
add_compile_definitions(
"WIN32"
"_WINDOWS"
"WIN32_LEAN_AND_MEAN=1"
"_CRT_SECURE_NO_WARNINGS"
"BORINGSSL_NO_CXX=1" # lol
)
set_property(TARGET ${bun} PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreadedDLL")
target_compile_options(${bun} PUBLIC "/EHsc" "/GR-")
target_link_options(${bun} PUBLIC "/STACK:4194304,2097152")
else()
target_compile_options(${bun} PUBLIC
-fPIC
-mtune=${CPU_TARGET}
-fconstexpr-steps=1271242
-fconstexpr-depth=27
-fno-exceptions
-fvisibility=hidden
-fvisibility-inlines-hidden
-fno-rtti
-fno-omit-frame-pointer
)
string(APPEND CMAKE_CXX_FLAGS " -std=c++2a")
endif()
if(APPLE)
if(ARCH STREQUAL "x86_64")
set(CMAKE_OSX_DEPLOYMENT_TARGET "10.14")
else()
set(CMAKE_OSX_DEPLOYMENT_TARGET "11.0")
endif()
target_link_options(${bun} PUBLIC "-dead_strip")
target_link_options(${bun} PUBLIC "-dead_strip_dylibs")
target_link_options(${bun} PUBLIC "-Wl,-stack_size,0x1200000")
target_link_options(${bun} PUBLIC "-exported_symbols_list" "${BUN_SRC}/symbols.txt")
set_target_properties(${bun} PROPERTIES LINK_DEPENDS "${BUN_SRC}/symbols.txt")
target_link_options(${bun} PUBLIC "-fno-keep-static-consts")
target_link_libraries(${bun} PRIVATE "resolv")
endif()
if(UNIX AND NOT APPLE)
target_link_options(${bun} PUBLIC
"-fuse-ld=lld"
"-static-libstdc++"
"-static-libgcc"
"-fuse-ld=lld"
"-Wl,-z,now"
"-Wl,--as-needed"
"-Wl,--gc-sections"
"-Wl,-z,stack-size=12800000"
"-Wl,--wrap=fcntl"
"-Wl,--wrap=fcntl64"
"-Wl,--wrap=stat64"
"-Wl,--wrap=pow"
"-Wl,--wrap=exp"
"-Wl,--wrap=log"
"-Wl,--wrap=log2"
"-Wl,--wrap=lstat"
"-Wl,--wrap=stat"
"-Wl,--wrap=fstat"
"-Wl,--wrap=fstatat"
"-Wl,--wrap=lstat64"
"-Wl,--wrap=stat64"
"-Wl,--wrap=fstat64"
"-Wl,--wrap=fstatat64"