/
build-script-impl
executable file
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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"
#
# 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
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"
build-ninja "" "build the 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-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-enable-lto "0" "enable LTO compilation of just Swift."
llvm-enable-lto "0" "enable LTO compilation of LLVM/Clang."
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"
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"
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"
user-config-args "" "User-supplied arguments to cmake when used to do configuration"
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-sdks "" "build target binaries only for specified SDKs (semicolon-separated list)"
swift-primary-variant-sdk "" "default SDK for target binaries"
swift-primary-variant-arch "" "default arch for target binaries"
skip-ios "" "set to skip everything iOS-related"
skip-tvos "" "set to skip everything tvOS-related"
skip-watchos "" "set to skip everything watchOS-related"
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 OSX"
skip-build-ios "" "set to skip building Swift stdlibs for iOS"
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 "" "set to skip building Swift stdlibs for tvOS"
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 "" "set to skip building Swift stdlibs for Apple watchOS"
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-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 OSX"
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-validation "" "set to skip validation 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"
xcode-ide-only "" "set to configure Xcode project for IDE use only, not building"
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-stdlib "1" "set to 1 to build the Swift standard library"
build-swift-stdlib-unittest-extra "0" "set to 1 to build optional StdlibUnittest components"
build-swift-sdk-overlay "1" "set to 1 to build the Swift SDK overlay"
build-swift-static-stdlib "0" "set to 1 to build static versions of the Swift standard library and 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"
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**"
cross-compile-tools-deployment-targets "" "space-separated list of targets to cross-compile host Swift tools for"
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-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-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"
export-compile-commands "" "set to generate JSON compilation databases for each build product"
)
function toupper() {
echo "$@" | tr '[:lower:]' '[:upper:]'
}
function to_varname() {
toupper "${1//-/_}"
}
function join_array_with_delimiter() {
# $1 is the delimiter
local IFS="$1"
shift
echo "$*"
}
function set_lldb_build_mode() {
LLDB_BUILD_MODE="CustomSwift-${LLDB_BUILD_TYPE}"
}
function system_memory_in_bytes() {
case "$(uname -s -m)" in
Darwin\ x86_64)
sysctl hw.memsize | cut -f 2 -d " "
;;
*)
echo "Unknown operating system"
exit 1
;;
esac
}
function float_min() {
local LHS=$1
local RHS=$2
if (( $(echo "${LHS} < ${RHS}" | bc -l) )); then
echo ${LHS}
else
echo ${RHS}
fi
}
function num_llvm_parallel_lto_link_jobs() {
case "$(uname -s -m)" in
Darwin\ x86_64)
# Currently with -gline-tables-only clang is ~3.5GB on Darwin. Use
# the formula GB Memory/3.5GB to get the number of parallel link
# threads we can support.
local NUM_MEMORY_THREADS=$(echo $(system_memory_in_bytes)/1000000000.0/3.5 | bc)
echo $(float_min "${NUM_MEMORY_THREADS}" "${BUILD_JOBS}")
;;
*)
echo "Unknown operating system"
exit 1
;;
esac
}
function num_swift_parallel_lto_link_jobs() {
case "$(uname -s -m)" in
Darwin\ x86_64)
# Currently with -gline-tables-only swift is ~5-6GB on Darwin. Use
# the formula GB Memory/6GB to get the number of parallel link
# threads we can support.
local NUM_MEMORY_THREADS=$(echo $(system_memory_in_bytes)/1000000000/6.0 | bc)
echo $(float_min "${NUM_MEMORY_THREADS}" "${BUILD_JOBS}")
;;
*)
echo "Unknown operating system"
exit 1
;;
esac
}
function set_deployment_target_based_options() {
llvm_cmake_options=()
swift_cmake_options=()
cmark_cmake_options=()
swiftpm_bootstrap_options=()
case ${deployment_target} in
linux-x86_64)
SWIFT_HOST_VARIANT_ARCH="x86_64"
;;
linux-armv6)
# ARM targets require the gold linker
USE_GOLD_LINKER=1
SWIFT_HOST_VARIANT_ARCH="armv6"
;;
linux-armv7)
# ARM targets require the gold linker
USE_GOLD_LINKER=1
SWIFT_HOST_VARIANT_ARCH="armv7"
;;
linux-aarch64)
# ARM targets require the gold linker
USE_GOLD_LINKER=1
SWIFT_HOST_VARIANT_ARCH="aarch64"
;;
freebsd-x86_64)
SWIFT_HOST_VARIANT_ARCH="x86_64"
;;
linux-powerpc64)
SWIFT_HOST_VARIANT_ARCH="powerpc64"
;;
linux-powerpc64le)
SWIFT_HOST_VARIANT_ARCH="powerpc64le"
;;
cygwin-x86_64)
SWIFT_HOST_VARIANT_ARCH="x86_64"
;;
macosx-* | iphoneos-* | iphonesimulator-* | \
appletvos-* | appletvsimulator-* | \
watchos-* | watchsimulator-*)
case ${deployment_target} in
macosx-x86_64)
xcrun_sdk_name="macosx"
llvm_host_triple="x86_64-apple-macosx${DARWIN_DEPLOYMENT_VERSION_OSX}"
llvm_target_arch=""
cmake_osx_deployment_target="${DARWIN_DEPLOYMENT_VERSION_OSX}"
cmark_cmake_options=(
-DCMAKE_C_FLAGS="$(cmark_c_flags ${deployment_target})"
-DCMAKE_CXX_FLAGS="$(cmark_c_flags ${deployment_target})"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
-DCMAKE_OSX_DEPLOYMENT_TARGET="${cmake_osx_deployment_target}"
)
swiftpm_bootstrap_options=(
--sysroot="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
)
;;
iphonesimulator-i386)
xcrun_sdk_name="iphonesimulator"
llvm_host_triple="i386-apple-ios${DARWIN_DEPLOYMENT_VERSION_IOS}"
llvm_target_arch="X86"
cmake_osx_deployment_target=""
cmark_cmake_options=(
-DCMAKE_C_FLAGS="$(cmark_c_flags ${deployment_target})"
-DCMAKE_CXX_FLAGS="$(cmark_c_flags ${deployment_target})"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
)
swift_cmake_options=(
-DSWIFT_HOST_VARIANT="iphonesimulator"
-DSWIFT_HOST_VARIANT_SDK="IOS_SIMULATOR"
-DSWIFT_HOST_VARIANT_ARCH="i386"
)
;;
iphonesimulator-x86_64)
xcrun_sdk_name="iphonesimulator"
llvm_host_triple="x86_64-apple-ios${DARWIN_DEPLOYMENT_VERSION_IOS}"
llvm_target_arch="X86"
cmake_osx_deployment_target=""
cmark_cmake_options=(
-DCMAKE_C_FLAGS="$(cmark_c_flags ${deployment_target})"
-DCMAKE_CXX_FLAGS="$(cmark_c_flags ${deployment_target})"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
)
swift_cmake_options=(
-DSWIFT_HOST_VARIANT="iphonesimulator"
-DSWIFT_HOST_VARIANT_SDK="IOS_SIMULATOR"
-DSWIFT_HOST_VARIANT_ARCH="x86_64"
)
;;
iphoneos-armv7)
xcrun_sdk_name="iphoneos"
llvm_host_triple="armv7-apple-ios${DARWIN_DEPLOYMENT_VERSION_IOS}"
llvm_target_arch="ARM"
cmake_osx_deployment_target=""
cmark_cmake_options=(
-DCMAKE_C_FLAGS="$(cmark_c_flags ${deployment_target})"
-DCMAKE_CXX_FLAGS="$(cmark_c_flags ${deployment_target})"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
)
swift_cmake_options=(
-DSWIFT_HOST_VARIANT="iphoneos"
-DSWIFT_HOST_VARIANT_SDK="IOS"
-DSWIFT_HOST_VARIANT_ARCH="armv7"
)
;;
iphoneos-armv7s)
xcrun_sdk_name="iphoneos"
llvm_host_triple="armv7s-apple-ios${DARWIN_DEPLOYMENT_VERSION_IOS}"
llvm_target_arch="ARM"
cmake_osx_deployment_target=""
cmark_cmake_options=(
-DCMAKE_C_FLAGS="$(cmark_c_flags ${deployment_target})"
-DCMAKE_CXX_FLAGS="$(cmark_c_flags ${deployment_target})"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
)
swift_cmake_options=(
-DSWIFT_HOST_VARIANT="iphoneos"
-DSWIFT_HOST_VARIANT_SDK="IOS"
-DSWIFT_HOST_VARIANT_ARCH="armv7s"
)
;;
iphoneos-arm64)
xcrun_sdk_name="iphoneos"
llvm_host_triple="arm64-apple-ios${DARWIN_DEPLOYMENT_VERSION_IOS}"
llvm_target_arch="AArch64"
cmake_osx_deployment_target=""
cmark_cmake_options=(
-DCMAKE_C_FLAGS="$(cmark_c_flags ${deployment_target})"
-DCMAKE_CXX_FLAGS="$(cmark_c_flags ${deployment_target})"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
)
swift_cmake_options=(
-DSWIFT_HOST_VARIANT="iphoneos"
-DSWIFT_HOST_VARIANT_SDK="IOS"
-DSWIFT_HOST_VARIANT_ARCH="arm64"
)
;;
appletvsimulator-x86_64)
xcrun_sdk_name="appletvsimulator"
llvm_host_triple="x86_64-apple-tvos${DARWIN_DEPLOYMENT_VERSION_TVOS}"
llvm_target_arch="X86"
cmake_osx_deployment_target=""
cmark_cmake_options=(
-DCMAKE_C_FLAGS="$(cmark_c_flags ${deployment_target})"
-DCMAKE_CXX_FLAGS="$(cmark_c_flags ${deployment_target})"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
)
swift_cmake_options=(
-DSWIFT_HOST_VARIANT="appletvsimulator"
-DSWIFT_HOST_VARIANT_SDK="TVOS_SIMULATOR"
-DSWIFT_HOST_VARIANT_ARCH="x86_64"
)
;;
appletvos-arm64)
xcrun_sdk_name="appletvos"
llvm_host_triple="arm64-apple-tvos${DARWIN_DEPLOYMENT_VERSION_TVOS}"
llvm_target_arch="AArch64"
cmake_osx_deployment_target=""
cmark_cmake_options=(
-DCMAKE_C_FLAGS="$(cmark_c_flags ${deployment_target})"
-DCMAKE_CXX_FLAGS="$(cmark_c_flags ${deployment_target})"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
)
swift_cmake_options=(
-DSWIFT_HOST_VARIANT="appletvos"
-DSWIFT_HOST_VARIANT_SDK="TVOS"
-DSWIFT_HOST_VARIANT_ARCH="arm64"
)
;;
watchsimulator-i386)
xcrun_sdk_name="watchsimulator"
llvm_host_triple="i386-apple-watchos${DARWIN_DEPLOYMENT_VERSION_WATCHOS}"
llvm_target_arch="X86"
cmake_osx_deployment_target=""
cmark_cmake_options=(
-DCMAKE_C_FLAGS="$(cmark_c_flags ${deployment_target})"
-DCMAKE_CXX_FLAGS="$(cmark_c_flags ${deployment_target})"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
)
swift_cmake_options=(
-DSWIFT_HOST_VARIANT="watchsimulator"
-DSWIFT_HOST_VARIANT_SDK="WATCHOS_SIMULATOR"
-DSWIFT_HOST_VARIANT_ARCH="i386"
)
;;
watchos-armv7k)
xcrun_sdk_name="watchos"
llvm_host_triple="armv7k-apple-watchos${DARWIN_DEPLOYMENT_VERSION_WATCHOS}"
llvm_target_arch="ARM"
cmake_osx_deployment_target=""
cmark_cmake_options=(
-DCMAKE_C_FLAGS="$(cmark_c_flags ${deployment_target})"
-DCMAKE_CXX_FLAGS="$(cmark_c_flags ${deployment_target})"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
)
swift_cmake_options=(
-DSWIFT_HOST_VARIANT="watchos"
-DSWIFT_HOST_VARIANT_SDK="WATCHOS"
-DSWIFT_HOST_VARIANT_ARCH="armv7k"
)
;;
*)
echo "Unknown deployment target"
exit 1
;;
esac
llvm_cmake_options=(
-DCMAKE_OSX_DEPLOYMENT_TARGET:STRING="${cmake_osx_deployment_target}"
-DCMAKE_OSX_SYSROOT:PATH="$(xcrun --sdk ${xcrun_sdk_name} --show-sdk-path)"
-DLLVM_HOST_TRIPLE:STRING="${llvm_host_triple}"
-DLLVM_ENABLE_LIBCXX:BOOL=TRUE
)
if [[ $(true_false "${LLVM_ENABLE_LTO}") = "TRUE" ]]; then
if [[ $(cmake_needs_to_specify_standard_computed_defaults) = "TRUE" ]]; then
llvm_cmake_options=(
"${llvm_cmake_options[@]}"
"-DCMAKE_C_STANDARD_COMPUTED_DEFAULT=AppleClang"
"-DCMAKE_CXX_STANDARD_COMPUTED_DEFAULT=AppleClang"
)
fi
llvm_cmake_options=(
"${llvm_cmake_options[@]}"
"-DCMAKE_C_FLAGS=-O2 -flto -gline-tables-only -fno-stack-protector "
"-DCMAKE_CXX_FLAGS=-O2 -flto -gline-tables-only -fno-stack-protector "
"-DCMAKE_C_FLAGS_RELWITHDEBINFO=-O2 -flto -gline-tables-only -fno-stack-protector "
"-DCMAKE_CXX_FLAGS_RELWITHDEBINFO=-O2 -flto -gline-tables-only -fno-stack-protector "
"-DLLVM_PARALLEL_LINK_JOBS=$(num_llvm_parallel_lto_link_jobs)"
)
fi
if [[ $(true_false "${SWIFT_ENABLE_LTO}") = "TRUE" ]]; then
if [[ $(cmake_needs_to_specify_standard_computed_defaults) = "TRUE" ]]; then
swift_cmake_options=(
"${swift_cmake_options[@]}"
"-DCMAKE_C_STANDARD_COMPUTED_DEFAULT=AppleClang"
"-DCMAKE_CXX_STANDARD_COMPUTED_DEFAULT=AppleClang"
"-DSWIFT_PARALLEL_LINK_JOBS=$(num_swift_parallel_lto_link_jobs)"
)
fi
fi
swift_cmake_options=(
"${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
)
if [[ "${llvm_target_arch}" ]] ; then
llvm_cmake_options=(
"${llvm_cmake_options[@]}"
-DLLVM_TARGET_ARCH="${llvm_target_arch}"
)
fi
;;
*)
echo "Unknown compiler deployment target: ${deployment_target}"
exit 1
;;
esac
}
# Set up an "associative array" of settings for error checking, and set
# (or unset) each corresponding variable to its default value
# 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
# declare -A IS_KNOWN_SETTING
for ((i = 0; i < ${#KNOWN_SETTINGS[@]}; i += 3)); do
setting="${KNOWN_SETTINGS[i]}"
default_value="${KNOWN_SETTINGS[$((i+1))]}"
varname="$(to_varname "${setting}")" # upcase the setting name to get the variable
eval "${varname}_IS_KNOWN_SETTING=1"
if [[ "${default_value}" ]] ; then
# For an explanation of the backslash see http://stackoverflow.com/a/9715377
eval ${varname}=$\default_value
else
unset ${varname}
fi
done
COMMAND_NAME="$(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="${dashless%%=*}"
# compute the variable to set
varname="$(to_varname "${setting}")"
# check to see if this is a known option
known_var_name="${varname}_IS_KNOWN_SETTING"
if [[ ! "${!known_var_name}" ]] ; 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
;;
*)
usage
exit 1
esac
shift
done
if [[ "${SKIP_IOS}" ]] ; then
SKIP_BUILD_IOS=1
SKIP_BUILD_IOS_DEVICE=1
SKIP_BUILD_IOS_SIMULATOR=1
SKIP_TEST_IOS_HOST=1
SKIP_TEST_IOS_SIMULATOR=1
fi
if [[ "${SKIP_TVOS}" ]] ; then
SKIP_BUILD_TVOS=1
SKIP_BUILD_TVOS_DEVICE=1
SKIP_BUILD_TVOS_SIMULATOR=1
SKIP_TEST_TVOS_HOST=1
SKIP_TEST_TVOS_SIMULATOR=1
fi
if [[ "${SKIP_WATCHOS}" ]] ; then
SKIP_BUILD_WATCHOS=1
SKIP_BUILD_WATCHOS_DEVICE=1
SKIP_BUILD_WATCHOS_SIMULATOR=1
SKIP_TEST_WATCHOS_HOST=1
SKIP_TEST_WATCHOS_SIMULATOR=1
fi
if [[ "${SKIP_BUILD_IOS}" ]] ; then
SKIP_BUILD_IOS=1
SKIP_BUILD_IOS_DEVICE=1
SKIP_BUILD_IOS_SIMULATOR=1
SKIP_TEST_IOS_HOST=1
SKIP_TEST_IOS_SIMULATOR=1
fi
if [[ "${SKIP_BUILD_TVOS}" ]] ; then
SKIP_BUILD_TVOS=1
SKIP_BUILD_TVOS_DEVICE=1
SKIP_BUILD_TVOS_SIMULATOR=1
SKIP_TEST_TVOS_HOST=1
SKIP_TEST_TVOS_SIMULATOR=1
fi
if [[ "${SKIP_BUILD_WATCHOS}" ]] ; then
SKIP_BUILD_WATCHOS=1
SKIP_BUILD_WATCHOS_DEVICE=1
SKIP_BUILD_WATCHOS_SIMULATOR=1
SKIP_TEST_WATCHOS_HOST=1
SKIP_TEST_WATCHOS_SIMULATOR=1
fi
if [[ "${SKIP_BUILD_IOS_DEVICE}" ]] ; then
SKIP_BUILD_IOS_DEVICE=1
fi
if [[ "${SKIP_BUILD_TVOS_DEVICE}" ]] ; then
SKIP_BUILD_TVOS_DEVICE=1
fi
if [[ "${SKIP_BUILD_WATCHOS_DEVICE}" ]] ; then
SKIP_BUILD_WATCHOS_DEVICE=1
fi
if [[ "${SKIP_BUILD_IOS_SIMULATOR}" ]] ; then
SKIP_BUILD_IOS_SIMULATOR=1
SKIP_TEST_IOS_SIMULATOR=1
fi
if [[ "${SKIP_BUILD_TVOS_SIMULATOR}" ]] ; then
SKIP_BUILD_TVOS_SIMULATOR=1
SKIP_TEST_TVOS_SIMULATOR=1
fi
if [[ "${SKIP_BUILD_WATCHOS_SIMULATOR}" ]] ; then
SKIP_BUILD_WATCHOS_SIMULATOR=1
SKIP_TEST_WATCHOS_SIMULATOR=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 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 cmake_version() {
echo $("${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
}
# A list of deployment targets to cross-compile the Swift host tools for.
# We can't run the resulting binaries on the build machine.
CROSS_TOOLS_DEPLOYMENT_TARGETS=()
# Sanitize the list of cross-compilation targets.
for t in ${CROSS_COMPILE_TOOLS_DEPLOYMENT_TARGETS} ; do
case ${t} in
iphonesimulator-i386 | iphonesimulator-x86_64 | \
iphoneos-arm64 | iphoneos-armv7 | iphoneos-armv7s | \
appletvos-arm64 | appletvsimulator-x86_64 | \
watchos-armv7k | watchsimulator-i386)
CROSS_TOOLS_DEPLOYMENT_TARGETS=(
"${CROSS_TOOLS_DEPLOYMENT_TARGETS[@]}"
"${t}"
)
;;
*)
echo "Unknown deployment target: ${t}"
exit 1
;;
esac
done
function is_cross_tools_deployment_target() {
local deployment_target="$1"
for t in "${CROSS_TOOLS_DEPLOYMENT_TARGETS[@]}" ; do
if [ "${deployment_target}" == "${t}" ] ; then
echo 1
fi
done
}
# A list of deployment targets that we compile or cross-compile the
# Swift standard library for.
STDLIB_DEPLOYMENT_TARGETS=()
case "$(uname -s -m)" in
Linux\ x86_64)
STDLIB_DEPLOYMENT_TARGETS=(
"linux-x86_64"
)
;;
Linux\ armv6*)
STDLIB_DEPLOYMENT_TARGETS=(
"linux-armv6"
)
;;
Linux\ armv7*)
STDLIB_DEPLOYMENT_TARGETS=(
"linux-armv7"
)
;;
Linux\ aarch64)
STDLIB_DEPLOYMENT_TARGETS=(
"linux-aarch64"
)
;;
Linux\ ppc64)
STDLIB_DEPLOYMENT_TARGETS=(
"linux-powerpc64"
)
;;
Linux\ ppc64le)
STDLIB_DEPLOYMENT_TARGETS=(
"linux-powerpc64le"
)
;;
Darwin\ x86_64)
STDLIB_DEPLOYMENT_TARGETS=(
"macosx-x86_64"
"iphonesimulator-i386"
"iphonesimulator-x86_64"
"appletvsimulator-x86_64"
"watchsimulator-i386"
# Put iOS native targets last so that we test them last (it takes a
# long time).
"iphoneos-arm64"
"iphoneos-armv7"
"appletvos-arm64"
"watchos-armv7k"
)
;;
FreeBSD\ amd64)
STDLIB_DEPLOYMENT_TARGETS=(
"freebsd-x86_64"
)
;;
CYGWIN_NT-10.0\ x86_64)
STDLIB_DEPLOYMENT_TARGETS=(
"cygwin-x86_64"
)
;;
*)
echo "Unknown operating system"
exit 1
;;
esac
#
# Calculate source directories for each product.
#
NINJA_SOURCE_DIR="${WORKSPACE}/ninja"
SWIFT_SOURCE_DIR="${WORKSPACE}/swift"
LLVM_SOURCE_DIR="${WORKSPACE}/llvm"
CMARK_SOURCE_DIR="${WORKSPACE}/cmark"
LLDB_SOURCE_DIR="${WORKSPACE}/lldb"
LLBUILD_SOURCE_DIR="${WORKSPACE}/llbuild"
SWIFTPM_SOURCE_DIR="${WORKSPACE}/swiftpm"
XCTEST_SOURCE_DIR="${WORKSPACE}/swift-corelibs-xctest"
FOUNDATION_SOURCE_DIR="${WORKSPACE}/swift-corelibs-foundation"
LIBDISPATCH_SOURCE_DIR="${WORKSPACE}/swift-corelibs-libdispatch"
if [[ ! -d ${CMARK_SOURCE_DIR} ]]; then
echo "Couldn't find cmark source directory."
exit 1
fi
if [[ ! "${SKIP_BUILD_LLBUILD}" && ! -d ${LLBUILD_SOURCE_DIR} ]]; then
echo "Couldn't find llbuild source directory."
exit 1
fi
if [[ ! "${SKIP_BUILD_SWIFTPM}" && ! -d ${SWIFTPM_SOURCE_DIR} ]]; then
echo "Couldn't find swiftpm source directory."
exit 1
fi
if [[ ! "${SKIP_BUILD_XCTEST}" && ! -d ${XCTEST_SOURCE_DIR} ]]; then
echo "Couldn't find XCTest source directory."
exit 1
fi
if [[ ! "${SKIP_BUILD_FOUNDATION}" && ! -d ${FOUNDATION_SOURCE_DIR} ]]; then
echo "Couldn't find Foundation source directory."
exit 1
fi
if [[ ! "${SKIP_BUILD_LIBDISPATCH}" && ! -d ${LIBDISPATCH_SOURCE_DIR} ]]; then
echo "Couldn't find libdispatch source directory."
exit 1
fi
# Symlink clang into the llvm tree.
CLANG_SOURCE_DIR="${LLVM_SOURCE_DIR}/tools/clang"
if [ ! -e "${WORKSPACE}/clang" ] ; then
# If llvm/tools/clang is already a directory, use that and skip the symlink.
if [ ! -d "${CLANG_SOURCE_DIR}" ] ; then
echo "Can't find source directory for clang (tried ${WORKSPACE}/clang and ${CLANG_SOURCE_DIR})"
exit 1
fi
fi
if [ ! -d "${CLANG_SOURCE_DIR}" ] ; then
ln -sf "${WORKSPACE}/clang" "${CLANG_SOURCE_DIR}"
fi
PRODUCTS=(cmark llvm swift)
if [[ ! "${SKIP_BUILD_LLDB}" ]] ; then
PRODUCTS=("${PRODUCTS[@]}" lldb)
fi
if [[ ! "${SKIP_BUILD_LLBUILD}" ]] ; then
PRODUCTS=("${PRODUCTS[@]}" llbuild)
fi
if [[ ! "${SKIP_BUILD_SWIFTPM}" ]] ; then
PRODUCTS=("${PRODUCTS[@]}" swiftpm)
fi
if [[ ! "${SKIP_BUILD_LIBDISPATCH}" ]] ; then
PRODUCTS=("${PRODUCTS[@]}" libdispatch)
fi
# XCTest has a dependency on Foundation, so Foundation must be added to the
# list of build products first.
if [[ ! "${SKIP_BUILD_FOUNDATION}" ]] ; then
PRODUCTS=("${PRODUCTS[@]}" foundation)
fi
if [[ ! "${SKIP_BUILD_XCTEST}" ]] ; then
PRODUCTS=("${PRODUCTS[@]}" xctest)
fi