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build-script-impl
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#!/usr/bin/env bash
#===--- build-script-impl - Implementation details of build-script ---------===#
#
## This source file is part of the Swift.org open source project
##
## Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
## Licensed under Apache License v2.0 with Runtime Library Exception
##
## See http://swift.org/LICENSE.txt for license information
## See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
#
#===------------------------------------------------------------------------===#
#
# This script is an implementation detail of other build scripts and should not
# be called directly.
#
# Note: This script will NOT auto-clean before building.
#
set -o pipefail
set -e
umask 0022
#
# Options that can be "configured" by editing this file.
#
# These options are not exposed as command line options on purpose. If you
# need to change any of these, you should do so on trunk or in a branch.
#
LLVM_TARGETS_TO_BUILD="X86;ARM;AArch64;PowerPC;SystemZ"
#
# End of configurable options.
#
# Declare the set of known settings along with each one's description
#
# If you add a user-settable variable, add it to this list.
#
# A default value of "" indicates that the corresponding variable
# will remain unset unless set explicitly.
#
# skip-* parameters do not affect the configuration (CMake parameters).
# You can turn them on and off in different invocations of the script for the
# same build directory.
#
# build-* parameters affect the CMake configuration (enable/disable those
# components).
#
# Each variable name is re-exported into this script in uppercase, where dashes
# are substituted by underscores. For example, `swift-install-components` is
# referred to as `SWIFT_INSTALL_COMPONENTS` in the remainder of this script.
KNOWN_SETTINGS=(
# name default description
dry-run "" "print the commands that would be executed, but do not execute them"
build-args "" "arguments to the build tool; defaults to -j8 when CMake generator is \"Unix Makefiles\""
build-dir "" "out-of-tree build directory; default is in-tree. **This argument is required**"
host-cc "" "the path to CC, the 'clang' compiler for the host platform. **This argument is required**"
host-cxx "" "the path to CXX, the 'clang++' compiler for the host platform. **This argument is required**"
darwin-xcrun-toolchain "default" "the name of the toolchain to use on Darwin"
ninja-bin "" "the path to Ninja tool"
cmark-build-type "Debug" "the CMake build variant for CommonMark (Debug, RelWithDebInfo, Release, MinSizeRel). Defaults to Debug."
lldb-extra-cmake-args "" "extra command line args to pass to lldb cmake"
lldb-extra-xcodebuild-args "" "extra command line args to pass to lldb xcodebuild"
lldb-test-cc "" "CC to use for building LLDB testsuite test inferiors. Defaults to just-built, in-tree clang. If set to 'host-toolchain', sets it to same as host-cc."
lldb-test-with-curses "" "run test lldb test runner using curses terminal control"
lldb-no-debugserver "" "delete debugserver after building it, and don't try to codesign it"
lldb-use-system-debugserver "" "don't try to codesign debugserver, and use the system's debugserver instead"
llvm-build-type "Debug" "the CMake build variant for LLVM and Clang (Debug, RelWithDebInfo, Release, MinSizeRel). Defaults to Debug."
llvm-enable-assertions "1" "enable assertions in LLVM and Clang"
swift-build-type "Debug" "the CMake build variant for Swift"
swift-enable-assertions "1" "enable assertions in Swift"
swift-analyze-code-coverage "not-merged" "Code coverage analysis mode for Swift (false, not-merged, merged). Defaults to false if the argument is not present, and not-merged if the argument is present without a modifier."
swift-tools-enable-lto "" "enable LTO compilation of Swift tools. *NOTE* This does not include the swift standard library and runtime. Must be set to one of 'thin' or 'full'"
llvm-enable-lto "" "Must be set to one of 'thin' or 'full'"
swift-tools-num-parallel-lto-link-jobs "" "The number of parallel link jobs to use when compiling swift tools"
llvm-num-parallel-lto-link-jobs "" "The number of parallel link jobs to use when compiling llvm"
swift-stdlib-build-type "Debug" "the CMake build variant for Swift"
swift-stdlib-enable-assertions "1" "enable assertions in Swift"
swift-stdlib-enable-resilience "0" "build the Swift stdlib and overlays with resilience enabled"
swift-stdlib-sil-serialize-all "1" "build the Swift stdlib and overlays with all method bodies serialized"
lldb-build-type "Debug" "the CMake build variant for LLDB"
llbuild-build-type "Debug" "the CMake build variant for llbuild"
foundation-build-type "Debug" "the build variant for Foundation"
xctest-build-type "Debug" "the build variant for xctest"
llbuild-enable-assertions "1" "enable assertions in llbuild"
enable-asan "" "enable Address Sanitizer"
enable-ubsan "" "enable Undefined Behavior Sanitizer"
cmake "" "path to the cmake binary"
distcc "" "use distcc in pump mode"
distcc-pump "" "the path to distcc pump executable. This argument is required if distcc is set."
build-runtime-with-host-compiler "1" "use the host c++ compiler to build everything"
cmake-generator "Unix Makefiles" "kind of build system to generate; see output of 'cmake --help' for choices"
verbose-build "" "print the commands executed during the build"
install-prefix "" "installation prefix"
toolchain-prefix "" "the path to the .xctoolchain directory that houses the install prefix path"
install-destdir "" "the path to use as the filesystem root for the installation"
install-symroot "" "the path to install debug symbols into"
swift-install-components "" "a semicolon-separated list of Swift components to install"
llvm-install-components "" "a semicolon-separated list of LLVM components to install"
installable-package "" "the path to the archive of the installation directory"
test-installable-package "" "whether to run post-packaging tests on the produced package"
reconfigure "" "force a CMake configuration run even if CMakeCache.txt already exists"
swift-primary-variant-sdk "" "default SDK for target binaries"
swift-primary-variant-arch "" "default arch for target binaries"
skip-build-cmark "" "set to skip building CommonMark"
skip-build-llvm "" "set to skip building LLVM/Clang"
skip-build-swift "" "set to skip building Swift"
skip-build-linux "" "set to skip building Swift stdlibs for Linux"
skip-build-freebsd "" "set to skip building Swift stdlibs for FreeBSD"
skip-build-cygwin "" "set to skip building Swift stdlibs for Cygwin"
skip-build-osx "" "set to skip building Swift stdlibs for OS X"
skip-build-ios-device "" "set to skip building Swift stdlibs for iOS devices (i.e. build simulators only)"
skip-build-ios-simulator "" "set to skip building Swift stdlibs for iOS simulators (i.e. build devices only)"
skip-build-tvos-device "" "set to skip building Swift stdlibs for tvOS devices (i.e. build simulators only)"
skip-build-tvos-simulator "" "set to skip building Swift stdlibs for tvOS simulators (i.e. build devices only)"
skip-build-watchos-device "" "set to skip building Swift stdlibs for Apple watchOS devices (i.e. build simulators only)"
skip-build-watchos-simulator "" "set to skip building Swift stdlibs for Apple watchOS simulators (i.e. build devices only)"
skip-build-android "" "set to skip building Swift stdlibs for Android"
skip-build-lldb "" "set to skip building LLDB"
skip-build-llbuild "" "set to skip building llbuild"
skip-build-swiftpm "" "set to skip building swiftpm"
skip-build-xctest "" "set to skip building xctest"
skip-build-foundation "" "set to skip building foundation"
skip-build-libdispatch "" "set to skip building libdispatch"
skip-build-benchmarks "" "set to skip building Swift Benchmark Suite"
skip-test-cmark "" "set to skip testing CommonMark"
skip-test-lldb "" "set to skip testing lldb"
skip-test-swift "" "set to skip testing Swift"
skip-test-llbuild "" "set to skip testing llbuild"
skip-test-swiftpm "" "set to skip testing swiftpm"
skip-test-xctest "" "set to skip testing xctest"
skip-test-foundation "" "set to skip testing foundation"
skip-test-libdispatch "" "set to skip testing libdispatch"
skip-test-linux "" "set to skip testing Swift stdlibs for Linux"
skip-test-freebsd "" "set to skip testing Swift stdlibs for FreeBSD"
skip-test-cygwin "" "set to skip testing Swift stdlibs for Cygwin"
skip-test-osx "" "set to skip testing Swift stdlibs for OS X"
skip-test-ios-simulator "" "set to skip testing Swift stdlibs for iOS simulators (i.e. test devices only)"
skip-test-ios-host "" "set to skip testing the host parts of the iOS toolchain"
skip-test-tvos-simulator "" "set to skip testing Swift stdlibs for tvOS simulators (i.e. test devices only)"
skip-test-tvos-host "" "set to skip testing the host parts of the tvOS toolchain"
skip-test-watchos-simulator "" "set to skip testing Swift stdlibs for Apple watchOS simulators (i.e. test devices only)"
skip-test-watchos-host "" "set to skip testing the host parts of the watchOS toolchain"
skip-test-android-host "" "set to skip testing the host parts of the Android toolchain"
validation-test "0" "set to run the validation test suite"
long-test "0" "set to run the long test suite"
skip-test-benchmarks "" "set to skip running Swift Benchmark Suite"
skip-test-optimized "" "set to skip testing the test suite in optimized mode"
stress-test-sourcekit "" "set to run the stress-SourceKit target"
workspace "${HOME}/src" "source directory containing llvm, clang, swift"
enable-llvm-assertions "1" "set to enable llvm assertions"
build-llvm "1" "set to 1 to build LLVM and Clang"
build-swift-tools "1" "set to 1 to build Swift host tools"
build-swift-dynamic-stdlib "" "set to 1 to build dynamic variants of the Swift standard library"
build-swift-static-stdlib "" "set to 1 to build static variants of the Swift standard library"
build-swift-stdlib-unittest-extra "0" "set to 1 to build optional StdlibUnittest components"
build-swift-dynamic-sdk-overlay "" "set to 1 to build dynamic variants of the Swift SDK overlay"
build-swift-static-sdk-overlay "" "set to 1 to build static variants of the Swift SDK overlay"
build-swift-examples "1" "set to 1 to build examples"
build-serialized-stdlib-unittest "0" "set to 1 to build the StdlibUnittest module with -sil-serialize-all"
build-sil-debugging-stdlib "0" "set to 1 to build the Swift standard library with -gsil to enable debugging and profiling on SIL level"
check-incremental-compilation "0" "set to 1 to compile swift libraries multiple times to check if incremental compilation works"
source-tree-includes-tests "1" "set to 0 to allow the build to proceed when 'test' directory is missing (required for B&I builds)"
native-llvm-tools-path "" "directory that contains LLVM tools that are executable on the build machine"
native-clang-tools-path "" "directory that contains Clang tools that are executable on the build machine"
native-swift-tools-path "" "directory that contains Swift tools that are executable on the build machine"
compiler-vendor "none" "compiler vendor name [none,apple]"
clang-user-visible-version "3.8.0" "user-visible version of the embedded Clang and LLVM compilers"
swift-user-visible-version "3.0" "user-visible version of the Swift language"
swift-compiler-version "" "string that indicates a compiler version for Swift"
clang-compiler-version "" "string that indicates a compiler version for Clang"
embed-bitcode-section "0" "embed an LLVM bitcode section in stdlib/overlay binaries for supported platforms"
darwin-crash-reporter-client "" "whether to enable CrashReporter integration"
darwin-stdlib-install-name-dir "" "the directory of the install_name for standard library dylibs"
install-cmark "" "whether to install cmark"
install-swift "" "whether to install Swift"
install-lldb "" "whether to install LLDB"
install-llbuild "" "whether to install llbuild"
install-swiftpm "" "whether to install swiftpm"
install-xctest "" "whether to install xctest"
install-foundation "" "whether to install foundation"
install-libdispatch "" "whether to install libdispatch"
darwin-install-extract-symbols "" "whether to extract symbols with dsymutil during installations"
host-target "" "The host target. LLVM, Clang, and Swift will be built for this target. The built LLVM and Clang will be used to compile Swift for the cross-compilation targets. **This argument is required**"
stdlib-deployment-targets "" "space-separated list of targets to configure the Swift standard library to be compiled or cross-compiled for"
build-stdlib-deployment-targets "all" "space-separated list that filters which of the configured targets to build the Swift standard library for, or 'all'"
cross-compile-hosts "" "space-separated list of targets to cross-compile host Swift tools for"
cross-compile-with-host-tools "" "set to use the clang we build for the host to then build the cross-compile hosts"
cross-compile-install-prefixes "" "semicolon-separated list of install prefixes to use for the cross-compiled hosts. The list expands, so if there are more cross-compile hosts than prefixes, unmatched hosts use the last prefix in the list"
skip-merge-lipo-cross-compile-tools "" "set to skip running merge-lipo after installing cross-compiled host Swift tools"
darwin-deployment-version-osx "10.9" "minimum deployment target version for OS X"
darwin-deployment-version-ios "7.0" "minimum deployment target version for iOS"
darwin-deployment-version-tvos "9.0" "minimum deployment target version for tvOS"
darwin-deployment-version-watchos "2.0" "minimum deployment target version for watchOS"
extra-cmake-options "" "Extra options to pass to CMake for all targets"
extra-swift-args "" "Extra arguments to pass to swift modules which match regex. Assumed to be a flattened cmake list consisting of [module_regexp, args, module_regexp, args, ...]"
sil-verify-all "0" "If enabled, run the SIL verifier after each transform when building Swift files during this build process"
swift-enable-ast-verifier "1" "If enabled, and the assertions are enabled, the built Swift compiler will run the AST verifier every time it is invoked"
swift-runtime-enable-leak-checker "0" "Enable leaks checking routines in the runtime"
use-gold-linker "" "Enable using the gold linker"
darwin-toolchain-bundle-identifier "" "CFBundleIdentifier for xctoolchain info plist"
darwin-toolchain-display-name "" "Display Name for xctoolcain info plist"
darwin-toolchain-display-name-short "" "Display Name with out date for xctoolchain info plist"
darwin-toolchain-name "" "Directory name for xctoolchain"
darwin-toolchain-version "" "Version for xctoolchain info plist and installer pkg"
darwin-toolchain-application-cert "" "Application Cert name to codesign xctoolchain"
darwin-toolchain-installer-cert "" "Installer Cert name to create installer pkg"
darwin-toolchain-installer-package "" "The path to installer pkg"
build-jobs "" "The number of parallel build jobs to use"
darwin-toolchain-alias "" "Swift alias for toolchain"
android-ndk "" "An absolute path to the NDK that will be used as a libc implementation for Android builds"
android-api-level "" "The Android API level to target when building for Android. Currently only 21 or above is supported"
android-ndk-gcc-version "" "The GCC version to use when building for Android. Currently only 4.9 is supported"
android-icu-uc "" "Path to a directory containing libicuuc.so"
android-icu-uc-include "" "Path to a directory containing headers for libicuuc"
android-icu-i18n "" "Path to a directory containing libicui18n.so"
android-icu-i18n-include "" "Path to a directory containing headers libicui18n"
android-deploy-device-path "" "Path on an Android device to which built Swift stdlib products will be deployed"
check-args-only "" "set to check all arguments are known. Exit with status 0 if success, non zero otherwise"
common-cmake-options "" "CMake options used for all targets, including LLVM/Clang"
# TODO: Remove this some time later.
user-config-args "" "**Renamed to --extra-cmake-options**: User-supplied arguments to cmake when used to do configuration."
only-execute "all" "Only execute the named action (see implementation)"
llvm-lit-args "" "If set, override the lit args passed to LLVM"
)
# Centralized access point for traced command invocation.
# Every operation that might mutates file system should be called via
# these functions.
function call() {
if [[ ${DRY_RUN} ]]; then
echo "${PS4}"$(quoted_print "$@")
else
{ set -x; } 2>/dev/null
"$@"
{ set +x; } 2>/dev/null
fi
}
function with_pushd() {
local dir=$1
shift
if [[ "$1" == "call" ]]; then
shift
fi
if [[ ${DRY_RUN} ]]; then
echo ${PS4}pushd "${dir}"
echo "${PS4}"$(quoted_print "$@")
echo ${PS4}popd
else
set -x
pushd "${dir}"
"$@"
{ set -x; } 2>/dev/null # because $@ might includes { set +x; }
popd
{ set +x; } 2>/dev/null
fi
}
function quoted_print() {
python -c 'import pipes; import sys; print(" ".join(pipes.quote(arg) for arg in sys.argv[1:]))' "$@"
}
function toupper() {
echo "$@" | tr '[:lower:]' '[:upper:]'
}
function true_false() {
case "$1" in
false | FALSE | 0 | "")
echo "FALSE"
;;
true | TRUE | 1)
echo "TRUE"
;;
*)
echo "true_false: unknown value: $1" >&2
exit 1
;;
esac
}
function to_varname() {
toupper "${1//-/_}"
}
function set_lldb_build_mode() {
LLDB_BUILD_MODE="CustomSwift-${LLDB_BUILD_TYPE}"
}
function is_llvm_lto_enabled() {
if [[ "${LLVM_ENABLE_LTO}" == "thin" ]] ||
[[ "${LLVM_ENABLE_LTO}" == "full" ]]; then
echo "TRUE"
else
echo "FALSE"
fi
}
function is_swift_lto_enabled() {
if [[ "${SWIFT_TOOLS_ENABLE_LTO}" == "thin" ]] ||
[[ "${SWIFT_TOOLS_ENABLE_LTO}" == "full" ]]; then
echo "TRUE"
else
echo "FALSE"
fi
}
# Support for performing isolated actions.
#
# This is part of refactoring more work to be done or controllable via
# `build-script` itself. For additional information, see:
# https://bugs.swift.org/browse/SR-237
#
# To use this functionality, the script is invoked with:
# ONLY_EXECUTE=<action name>
# where <action name> is one of:
# all -- execute all actions
# ${host}-${product}-build -- the build of the product
# ${host}-${product}-test -- the test of the product
# ${host}-${product}-install -- the install of the product
# ${host}-package -- the package construction and test
# merged-hosts-lipo -- the lipo step, if used
# and if used, only the one individual action will be performed.
#
# If not set, the default is `all`.
# should_execute_action(name) -> 1 or nil
#
# Check if the named action should be run in the given script invocation.
function should_execute_action() {
local name="$1"
if [[ "${ONLY_EXECUTE}" = "all" ]] ||
[[ "${ONLY_EXECUTE}" = "${name}" ]]; then
echo 1
fi
}
# should_execute_host_actions_for_phase(host, phase-name) -> 1 or nil
#
# Check if the there are any actions to execute for this host and phase (i.e.,
# "build", "test", or "install")
function should_execute_host_actions_for_phase() {
local host="$1"
local phase_name="$2"
if [[ "${ONLY_EXECUTE}" = "all" ]] ||
[[ "${ONLY_EXECUTE}" == ${host}-*-${phase_name} ]]; then
echo 1
fi
}
function set_build_options_for_host() {
llvm_cmake_options=()
swift_cmake_options=()
cmark_cmake_options=()
swiftpm_bootstrap_options=()
SWIFT_HOST_VARIANT=
SWIFT_HOST_VARIANT_SDK=
SWIFT_HOST_VARIANT_ARCH=
SWIFT_HOST_TRIPLE=
USE_GOLD_LINKER=
local host="$1"
# Hosts which can be cross-compiled must specify:
# SWIFT_HOST_TRIPLE and llvm_target_arch (as well as usual HOST_VARIANT flags)
case ${host} in
freebsd-x86_64)
SWIFT_HOST_VARIANT="freebsd"
SWIFT_HOST_VARIANT_SDK="FREEBSD"
SWIFT_HOST_VARIANT_ARCH="x86_64"
;;
cygwin-x86_64)
SWIFT_HOST_VARIANT="windows"
SWIFT_HOST_VARIANT_SDK="CYGWIN"
SWIFT_HOST_VARIANT_ARCH="x86_64"
;;
linux-*)
SWIFT_HOST_VARIANT="linux"
SWIFT_HOST_VARIANT_SDK="LINUX"
USE_GOLD_LINKER=1
case ${host} in
linux-x86_64)
SWIFT_HOST_VARIANT_ARCH="x86_64"
;;
linux-armv6)
SWIFT_HOST_VARIANT_ARCH="armv6"
SWIFT_HOST_TRIPLE="armv6-linux-gnueabihf"
llvm_target_arch="ARM"
;;
linux-armv7)
SWIFT_HOST_VARIANT_ARCH="armv7"
SWIFT_HOST_TRIPLE="armv7-linux-gnueabihf"
llvm_target_arch="ARM"
;;
linux-aarch64)
SWIFT_HOST_VARIANT_ARCH="aarch64"
;;
linux-powerpc64)
SWIFT_HOST_VARIANT_ARCH="powerpc64"
;;
linux-powerpc64le)
SWIFT_HOST_VARIANT_ARCH="powerpc64le"
;;
linux-s390x)
SWIFT_HOST_VARIANT_ARCH="s390x"
;;
esac
;;
macosx-* | iphoneos-* | iphonesimulator-* | \
appletvos-* | appletvsimulator-* | \
watchos-* | watchsimulator-*)
case ${host} in
macosx-x86_64)
xcrun_sdk_name="macosx"
llvm_target_arch=""
SWIFT_HOST_TRIPLE="x86_64-apple-macosx${DARWIN_DEPLOYMENT_VERSION_OSX}"
SWIFT_HOST_VARIANT="macosx"
SWIFT_HOST_VARIANT_SDK="OSX"
SWIFT_HOST_VARIANT_ARCH="x86_64"
cmake_osx_deployment_target="${DARWIN_DEPLOYMENT_VERSION_OSX}"
cmark_cmake_options=(
-DCMAKE_C_FLAGS="$(cmark_c_flags ${host})"
-DCMAKE_CXX_FLAGS="$(cmark_c_flags ${host})"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
-DCMAKE_OSX_DEPLOYMENT_TARGET="${cmake_osx_deployment_target}"
)
swiftpm_bootstrap_options=(
--sysroot="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
)
;;
iphonesimulator-i386)
xcrun_sdk_name="iphonesimulator"
llvm_target_arch="X86"
SWIFT_HOST_TRIPLE="i386-apple-ios${DARWIN_DEPLOYMENT_VERSION_IOS}"
SWIFT_HOST_VARIANT="iphonesimulator"
SWIFT_HOST_VARIANT_SDK="IOS_SIMULATOR"
SWIFT_HOST_VARIANT_ARCH="i386"
cmake_osx_deployment_target=""
cmark_cmake_options=(
-DCMAKE_C_FLAGS="$(cmark_c_flags ${host})"
-DCMAKE_CXX_FLAGS="$(cmark_c_flags ${host})"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
)
;;
iphonesimulator-x86_64)
xcrun_sdk_name="iphonesimulator"
llvm_target_arch="X86"
SWIFT_HOST_TRIPLE="x86_64-apple-ios${DARWIN_DEPLOYMENT_VERSION_IOS}"
SWIFT_HOST_VARIANT="iphonesimulator"
SWIFT_HOST_VARIANT_SDK="IOS_SIMULATOR"
SWIFT_HOST_VARIANT_ARCH="x86_64"
cmake_osx_deployment_target=""
cmark_cmake_options=(
-DCMAKE_C_FLAGS="$(cmark_c_flags ${host})"
-DCMAKE_CXX_FLAGS="$(cmark_c_flags ${host})"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
)
;;
iphoneos-armv7)
xcrun_sdk_name="iphoneos"
llvm_target_arch="ARM"
SWIFT_HOST_TRIPLE="armv7-apple-ios${DARWIN_DEPLOYMENT_VERSION_IOS}"
SWIFT_HOST_VARIANT="iphoneos"
SWIFT_HOST_VARIANT_SDK="IOS"
SWIFT_HOST_VARIANT_ARCH="armv7"
cmake_osx_deployment_target=""
cmark_cmake_options=(
-DCMAKE_C_FLAGS="$(cmark_c_flags ${host})"
-DCMAKE_CXX_FLAGS="$(cmark_c_flags ${host})"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
)
;;
iphoneos-armv7s)
xcrun_sdk_name="iphoneos"
llvm_target_arch="ARM"
SWIFT_HOST_TRIPLE="armv7s-apple-ios${DARWIN_DEPLOYMENT_VERSION_IOS}"
SWIFT_HOST_VARIANT="iphoneos"
SWIFT_HOST_VARIANT_SDK="IOS"
SWIFT_HOST_VARIANT_ARCH="armv7s"
cmake_osx_deployment_target=""
cmark_cmake_options=(
-DCMAKE_C_FLAGS="$(cmark_c_flags ${host})"
-DCMAKE_CXX_FLAGS="$(cmark_c_flags ${host})"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
)
;;
iphoneos-arm64)
xcrun_sdk_name="iphoneos"
llvm_target_arch="AArch64"
SWIFT_HOST_TRIPLE="arm64-apple-ios${DARWIN_DEPLOYMENT_VERSION_IOS}"
SWIFT_HOST_VARIANT="iphoneos"
SWIFT_HOST_VARIANT_SDK="IOS"
SWIFT_HOST_VARIANT_ARCH="arm64"
cmake_osx_deployment_target=""
cmark_cmake_options=(
-DCMAKE_C_FLAGS="$(cmark_c_flags ${host})"
-DCMAKE_CXX_FLAGS="$(cmark_c_flags ${host})"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
)
;;
appletvsimulator-x86_64)
xcrun_sdk_name="appletvsimulator"
llvm_target_arch="X86"
SWIFT_HOST_TRIPLE="x86_64-apple-tvos${DARWIN_DEPLOYMENT_VERSION_TVOS}"
SWIFT_HOST_VARIANT="appletvsimulator"
SWIFT_HOST_VARIANT_SDK="TVOS_SIMULATOR"
SWIFT_HOST_VARIANT_ARCH="x86_64"
cmake_osx_deployment_target=""
cmark_cmake_options=(
-DCMAKE_C_FLAGS="$(cmark_c_flags ${host})"
-DCMAKE_CXX_FLAGS="$(cmark_c_flags ${host})"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
)
;;
appletvos-arm64)
xcrun_sdk_name="appletvos"
llvm_target_arch="AArch64"
SWIFT_HOST_TRIPLE="arm64-apple-tvos${DARWIN_DEPLOYMENT_VERSION_TVOS}"
SWIFT_HOST_VARIANT="appletvos"
SWIFT_HOST_VARIANT_SDK="TVOS"
SWIFT_HOST_VARIANT_ARCH="arm64"
cmake_osx_deployment_target=""
cmark_cmake_options=(
-DCMAKE_C_FLAGS="$(cmark_c_flags ${host})"
-DCMAKE_CXX_FLAGS="$(cmark_c_flags ${host})"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
)
;;
watchsimulator-i386)
xcrun_sdk_name="watchsimulator"
llvm_target_arch="X86"
SWIFT_HOST_TRIPLE="i386-apple-watchos${DARWIN_DEPLOYMENT_VERSION_WATCHOS}"
SWIFT_HOST_VARIANT="watchsimulator"
SWIFT_HOST_VARIANT_SDK="WATCHOS_SIMULATOR"
SWIFT_HOST_VARIANT_ARCH="i386"
cmake_osx_deployment_target=""
cmark_cmake_options=(
-DCMAKE_C_FLAGS="$(cmark_c_flags ${host})"
-DCMAKE_CXX_FLAGS="$(cmark_c_flags ${host})"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
)
;;
watchos-armv7k)
xcrun_sdk_name="watchos"
llvm_target_arch="ARM"
SWIFT_HOST_TRIPLE="armv7k-apple-watchos${DARWIN_DEPLOYMENT_VERSION_WATCHOS}"
SWIFT_HOST_VARIANT="watchos"
SWIFT_HOST_VARIANT_SDK="WATCHOS"
SWIFT_HOST_VARIANT_ARCH="armv7k"
cmake_osx_deployment_target=""
cmark_cmake_options=(
-DCMAKE_C_FLAGS="$(cmark_c_flags ${host})"
-DCMAKE_CXX_FLAGS="$(cmark_c_flags ${host})"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
)
;;
*)
echo "Unknown host for swift tools: ${host}"
exit 1
;;
esac
llvm_cmake_options=(
-DCMAKE_OSX_DEPLOYMENT_TARGET:STRING="${cmake_osx_deployment_target}"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
-DLLVM_ENABLE_LIBCXX:BOOL=TRUE
-DLLVM_TOOL_COMPILER_RT_BUILD:BOOL="$(false_true ${SKIP_COMPILER_RT})"
-DLLVM_BUILD_EXTERNAL_COMPILER_RT:BOOL="$(false_true ${SKIP_COMPILER_RT})"
-DCOMPILER_RT_ENABLE_IOS:BOOL=FALSE
-DCOMPILER_RT_ENABLE_WATCHOS:BOOL=FALSE
-DCOMPILER_RT_ENABLE_TVOS:BOOL=FALSE
-DSANITIZER_MIN_OSX_VERSION="${cmake_osx_deployment_target}"
)
if [[ $(is_llvm_lto_enabled) == "TRUE" ]]; then
if [[ $(cmake_needs_to_specify_standard_computed_defaults) == "TRUE" ]]; then
llvm_cmake_options+=(
"-DCMAKE_C_STANDARD_COMPUTED_DEFAULT=AppleClang"
"-DCMAKE_CXX_STANDARD_COMPUTED_DEFAULT=AppleClang"
)
fi
llvm_cmake_options+=(
"-DLLVM_PARALLEL_LINK_JOBS=${LLVM_NUM_PARALLEL_LTO_LINK_JOBS}"
)
fi
if [[ $(is_swift_lto_enabled) == "TRUE" ]]; then
if [[ $(cmake_needs_to_specify_standard_computed_defaults) = "TRUE" ]]; then
swift_cmake_options+=(
"-DCMAKE_C_STANDARD_COMPUTED_DEFAULT=AppleClang"
"-DCMAKE_CXX_STANDARD_COMPUTED_DEFAULT=AppleClang"
)
fi
swift_cmake_options+=(
"-DSWIFT_PARALLEL_LINK_JOBS=${SWIFT_TOOLS_NUM_PARALLEL_LTO_LINK_JOBS}"
)
fi
swift_cmake_options+=(
-DSWIFT_DARWIN_DEPLOYMENT_VERSION_OSX="${DARWIN_DEPLOYMENT_VERSION_OSX}"
-DSWIFT_DARWIN_DEPLOYMENT_VERSION_IOS="${DARWIN_DEPLOYMENT_VERSION_IOS}"
-DSWIFT_DARWIN_DEPLOYMENT_VERSION_TVOS="${DARWIN_DEPLOYMENT_VERSION_TVOS}"
-DSWIFT_DARWIN_DEPLOYMENT_VERSION_WATCHOS="${DARWIN_DEPLOYMENT_VERSION_WATCHOS}"
-DLLVM_ENABLE_LIBCXX:BOOL=TRUE
)
;;
*)
echo "Unknown host tools target: ${host}"
exit 1
;;
esac
if [[ "${llvm_target_arch}" ]] ; then
llvm_cmake_options+=(
-DLLVM_TARGET_ARCH="${llvm_target_arch}"
)
fi
# For cross-compilable hosts, we need to know the triple
# and it must be the same for both LLVM and Swift
if [[ "${SWIFT_HOST_TRIPLE}" ]] ; then
llvm_cmake_options+=(
-DLLVM_HOST_TRIPLE:STRING="${SWIFT_HOST_TRIPLE}"
)
swift_cmake_options+=(
-DSWIFT_HOST_TRIPLE:STRING="${SWIFT_HOST_TRIPLE}"
)
fi
swift_cmake_options+=(
-DSWIFT_HOST_VARIANT="${SWIFT_HOST_VARIANT}"
-DSWIFT_HOST_VARIANT_SDK="${SWIFT_HOST_VARIANT_SDK}"
-DSWIFT_HOST_VARIANT_ARCH="${SWIFT_HOST_VARIANT_ARCH}"
)
if [[ "${LLVM_LIT_ARGS}" ]]; then
llvm_cmake_options+=(
-DLLVM_LIT_ARGS="${LLVM_LIT_ARGS}"
)
swift_cmake_options+=(
-DLLVM_LIT_ARGS="${LLVM_LIT_ARGS}"
)
fi
}
function configure_default_options() {
# Build a table of all of the known setting variables names.
#
# This is an optimization to do the argument to variable conversion (which is
# slow) in a single pass.
local all_settings=()
for ((i = 0; i < ${#KNOWN_SETTINGS[@]}; i += 3)); do
all_settings+=("${KNOWN_SETTINGS[i]}")
done
local known_setting_varnames=($(to_varname "${all_settings[*]}"))
# Build up an "associative array" mapping setting names to variable names
# (we use this for error checking to identify "known options", and as a fast
# way to map the setting name to a variable name). See the code for scanning
# command line arguments.
#
# This loop also sets (or unsets) each corresponding variable to its default
# value.
#
# NOTE: If the Mac's bash were not stuck in the past, we could "declare -A"
# an associative array, but instead we have to hack it by defining variables.
for ((i = 0; i < ${#KNOWN_SETTINGS[@]}; i += 3)); do
local setting="${KNOWN_SETTINGS[i]}"
local default_value="${KNOWN_SETTINGS[$((i+1))]}"
# Find the variable name in our lookup table.
local varname="${known_setting_varnames[$((i/3))]]}"
# Establish the associative array mapping.
eval "${setting//-/_}_VARNAME=${varname}"
if [[ "${default_value}" ]] ; then
# For an explanation of the backslash see http://stackoverflow.com/a/9715377
eval ${varname}=$\default_value
else
unset ${varname}
fi
done
}
configure_default_options
COMMAND_NAME="$(basename "$0")"
# Print instructions for using this script to stdout
usage() {
echo "Usage: ${COMMAND_NAME} [--help|-h] [ --SETTING=VALUE | --SETTING VALUE | --SETTING ]*"
echo
echo " Available settings. Each setting corresponds to a variable,"
echo " obtained by upcasing its name, in this script. A variable"
echo " with no default listed here will be unset in the script if"
echo " not explicitly specified. A setting passed in the 3rd form"
echo " will set its corresponding variable to \"1\"."
echo
setting_list="
| |Setting| Default|Description
| |-------| -------|-----------
"
for ((i = 0; i < ${#KNOWN_SETTINGS[@]}; i += 3)); do
setting_list+="\
| |--${KNOWN_SETTINGS[i]}| ${KNOWN_SETTINGS[$((i+1))]}|${KNOWN_SETTINGS[$((i+2))]}
"
done
echo "${setting_list}" | column -x -s'|' -t
echo
echo "Note: when using the form --SETTING VALUE, VALUE must not begin "
echo " with a hyphen."
echo "Note: the \"--release\" option creates a pre-packaged combination"
echo " of settings used by the buildbot."
echo
echo "Cross-compiling Swift host tools"
echo " When building cross-compiled tools, it first builds for the native"
echo " build host machine. Then it proceeds to build the specified cross-compile"
echo " targets. It currently builds the requested variants of stdlib each"
echo " time around, so once for the native build, then again each time for"
echo " the cross-compile tool targets."
echo
echo " When installing cross-compiled tools, it first installs each target"
echo " arch into a separate subdirectory under install-destdir, since you"
echo " can cross-compile for multiple targets at the same time. It then runs"
echo " recursive-lipo to produce fat binaries by merging the cross-compiled"
echo " targets, installing the merged result into the expected location of"
echo " install-destdir. After that, any remaining steps to extract dsyms and"
echo " create an installable package operates on install-destdir as normal."
}
# Scan all command-line arguments
while [[ "$1" ]] ; do
case "$1" in
-h | --help )
usage
exit
;;
--* )
dashless="${1:2}"
# drop suffix beginning with the first "="
setting="${dashless%%=*}"
# compute the variable to set, using the cached map set up by
# configure_default_options().
varname_var="${setting//-/_}_VARNAME"
varname=${!varname_var}
# check to see if this is a known option
if [[ "${varname}" = "" ]] ; then
echo "error: unknown setting: ${setting}" 1>&2
usage 1>&2
exit 1
fi
# find the intended value
if [[ "${dashless}" == *=* ]] ; then # if there's an '=', the value
value="${dashless#*=}" # is everything after the first '='
elif [[ "$2" ]] && [[ "${2:0:1}" != "-" ]] ; then # else if the next parameter exists
value="$2" # but isn't an option, use that
shift
else # otherwise, the value is 1
value=1
fi
# For explanation of backslash see http://stackoverflow.com/a/9715377
eval ${varname}=$\value
;;
*)
echo "Error: Invalid argument: $1" 1>&2
usage 1>&2
exit 1
esac
shift
done
# TODO: Rename this argument
LOCAL_HOST=$HOST_TARGET
# TODO: Remove this some time later.
if [[ "${USER_CONFIG_ARGS}" ]]; then
echo "Error: --user-config-args is renamed to --extra-cmake-options." 1>&2
exit 1
fi
if [[ "${CHECK_ARGS_ONLY}" ]]; then
exit 0
fi
# FIXME: We currently do not support building compiler-rt with the
# Xcode generator.
if [[ "${CMAKE_GENERATOR}" == "Xcode" ]]; then
SKIP_COMPILER_RT=1
fi
# FIXME: We currently do not support cross-compiling swift with compiler-rt.
if [[ "${CROSS_COMPILE_HOSTS}" ]]; then
SKIP_COMPILER_RT=1
fi
# WORKSPACE, BUILD_DIR and INSTALLABLE_PACKAGE must be absolute paths
case "${WORKSPACE}" in
/*) ;;
*)
echo "workspace must be an absolute path (was '${WORKSPACE}')"
exit 1
;;
esac
case "${BUILD_DIR}" in
/*) ;;
"")
echo "the --build-dir option is required"
usage
exit 1
;;
*)
echo "build-dir must be an absolute path (was '${BUILD_DIR}')"
exit 1
;;
esac
case "${INSTALLABLE_PACKAGE}" in
/*) ;;
"") ;;
*)
echo "installable-package must be an absolute path (was '${INSTALLABLE_PACKAGE}')"
exit 1
;;
esac
# WORKSPACE must exist
if [ ! -e "${WORKSPACE}" ] ; then
echo "Workspace does not exist (tried ${WORKSPACE})"
exit 1
fi
# FIXME: HOST_CC and CMAKE are set, and their presence is validated by,
# utils/build-script. These checks are redundant, but must remain until
# build-script-impl is merged completely with utils/build-script.
# For additional information, see: https://bugs.swift.org/browse/SR-237
if [ -z "${HOST_CC}" ] ; then
echo "Can't find clang. Please install clang-3.5 or a later version."
exit 1
fi
if [ -z "${CMAKE}" ] ; then
echo "Environment variable CMAKE must be specified."
exit 1
fi
function xcrun_find_tool() {
xcrun --sdk macosx --toolchain "${DARWIN_XCRUN_TOOLCHAIN}" --find "$@"
}
function not() {
if [[ ! "$1" ]] ; then
echo 1
fi
}
function join {
local IFS="$1"; shift; echo "$*";
}
function false_true() {
if [[ $(true_false "$1") = "TRUE" ]]; then
echo "FALSE"
else
echo "TRUE"
fi
}
function cmake_version() {
"${CMAKE}" --version | grep "cmake version" | cut -f 3 -d " "
}
function cmake_needs_to_specify_standard_computed_defaults() {
if [[ $(cmake_version) = "3.4.0" ]]; then
echo "TRUE"
else
echo "FALSE"
fi
}
function copy_swift_stdlib_tool_substitute() {
if [ ! -f "$1" ] ; then
echo "--- Copy swift-stdlib-tool ---"
call cp "${SWIFT_SOURCE_DIR}/utils/swift-stdlib-tool-substitute" "$1"
fi
}
function make_relative_symlink() {
local SOURCE=$1
local TARGET=$2
local TARGET_DIR=$(dirname $2)
local RELATIVE_SOURCE=$(python -c "import os.path; print(os.path.relpath(\""${SOURCE}"\", \""${TARGET_DIR}"\"))")
call ln -sf "${RELATIVE_SOURCE}" "${TARGET}"
}
# Sanitize the list of cross-compilation targets.
#
# In the Build/Host/Target paradigm:
# - "LOCAL_HOST" is Build (local machine running this script)
# - "CROSS_COMPILE_HOSTS" are the Hosts (implicitly includes LOCAL_HOST)
# - "STDLIB_DEPLOYMENT_TARGETS" are the Targets (for configuration)
# - "BUILD_STDLIB_DEPLOYMENT_TARGETS" are the Targets to build in this invocation
CROSS_COMPILE_HOSTS=($CROSS_COMPILE_HOSTS)
for t in "${CROSS_COMPILE_HOSTS[@]}"; do
case ${t} in
iphone* | appletv* | watch* | linux-armv6 | linux-armv7 )
;;
*)
echo "Unknown host to cross-compile for: ${t}"
exit 1
;;
esac
done
ALL_HOSTS=("${LOCAL_HOST}" "${CROSS_COMPILE_HOSTS[@]}")
function has_cross_compile_hosts() {
if [[ ${#ALL_HOSTS[@]} -gt 1 ]]; then
echo "1"
fi
}
# We install in to host-specific directories when building more than one host.
# Other users will expect their products at INSTALL_DESTDIR.
function get_host_install_destdir() {
local host="$1"
if [[ $(has_cross_compile_hosts) ]]; then
# If cross compiling tools, install into a host-specific subdirectory.
if [[ $(should_include_host_in_lipo ${host}) ]]; then
# If this is one of the hosts we should lipo, install in to a temporary subdirectory.
local host_install_destdir="${BUILD_DIR}/intermediate-install/${host}"
else
local host_install_destdir="${INSTALL_DESTDIR}/${host}"
fi
else
local host_install_destdir="${INSTALL_DESTDIR}"
fi
echo "${host_install_destdir}/" # Should always end in a '/'; it's a directory.
}
function splitSemicolonDelimitedInstallPrefixes() {
local IFS=";"; CROSS_COMPILE_INSTALL_PREFIXES=($CROSS_COMPILE_INSTALL_PREFIXES)
}
splitSemicolonDelimitedInstallPrefixes
function get_host_install_prefix() {
local host="$1"
if [[ $(is_cross_tools_host ${host}) ]] && [[ ${#CROSS_COMPILE_INSTALL_PREFIXES[@]} -gt 0 ]]; then
# Find the host's index in CROSS_COMPILE_HOSTS.
for i in "${!CROSS_COMPILE_HOSTS[@]}"; do
if [[ "${CROSS_COMPILE_HOSTS[$i]}" == "${host}" ]]; then
local host_index=i
fi
done
if [[ ${host_index} -lt ${#CROSS_COMPILE_INSTALL_PREFIXES[@]} ]]; then
local host_install_prefix="${CROSS_COMPILE_INSTALL_PREFIXES[${host_index}]}"
else
# If there is no explicit install prefix for this host, use the last one
# in the list.
local host_install_prefix="${CROSS_COMPILE_INSTALL_PREFIXES[${#CROSS_COMPILE_INSTALL_PREFIXES[@]}-1]}"
fi
else
local host_install_prefix="${INSTALL_PREFIX}"
fi
# Should always begin with a '/'; otherwise CMake will expand it as a relative path from the build folder.
if [[ "${host_install_prefix:0:1}" != "/" ]]; then
host_install_prefix="/${host_install_prefix}"