[swift-build-dev] Building custom toolchain
Daniel Dunbar
daniel_dunbar at apple.com
Thu Jun 2 13:05:54 CDT 2016
> On Jun 2, 2016, at 10:59 AM, bhargav gurlanka <bhargav.grlnk at gmail.com> wrote:
>
> > I always run this after every build
>
> If I understand you correctly, you first build swift and then run this script to create the toolchain right?
>
> Are you using the `build-toolchain` script to build swift? I've tried doing it sometime back and it included the testing also, which took a long time to complete. Is there a way to quicken the build (by disabling tests, incremental build, etc.,)?
No, part of the reason I developed that script is because I wanted to make a toolchain out of the build-script invocation I use for incremental development, which is this:
~/public/swift-project/swift/utils/build-script -R --llbuild --swiftpm
That works fine for iterative development, my "null" builds are about 5s. I run that with "--tests" if I want to also run all the tests (but often for my local iterative SwiftPM development I am just running the SwiftPM tests).
- Daniel
>
>
> Regards,
> Bhargav Gurlanka
>
> On 2 June 2016 at 23:06, Daniel Dunbar <daniel_dunbar at apple.com <mailto:daniel_dunbar at apple.com>> wrote:
> FWIW, this:
> https://gist.github.com/ddunbar/598bf66952fba0e9d8aecc54995f018e <https://gist.github.com/ddunbar/598bf66952fba0e9d8aecc54995f018e>
> is the script I currently use on OS X to get a working "swift-dev.xctoolchain" out of a built Swift. It isn't designed to work for anyone but me, but it should be easy to adapt.
>
> I always run this after every build, and then use `TOOLCHAINS=swift-dev swift build` (etc) to use the development compiler.
>
> My "toolchain-based build process" proposal will hopefully make this a no-op.
>
> - Daniel
>
>> On Jun 2, 2016, at 3:12 AM, bhargav gurlanka via swift-build-dev <swift-build-dev at swift.org <mailto:swift-build-dev at swift.org>> wrote:
>>
>> Hi all,
>>
>> I'm trying to build a custom toolchain, but it is failing with error:
>>
>> --- Installing swift ---
>> + env DESTDIR=// /usr/local/bin/cmake --build /Users/bhargavg/Documents/workspaces/xcode/github/apple/build/bhargavg/swift-macosx-x86_64 -- install
>> ninja: error: unknown target 'install'
>> swift/utils/build-script: fatal error: command terminated with a non-zero exit status 1, aborting
>>
>>
>> Script to build toolchain:
>>
>> #!/bin/bash
>> #
>> # Faster toolchain build: skips as much as possible.
>> #
>> # To use this toolchain from the command line:"
>> # export TOOLCHAINS=$(whoami)
>> #
>> # we build to the same prefix every time (instead of building
>> # to a versioned prefix) because every time the prefix changes
>> # *everything* rebuilds.
>>
>> set -e
>> trap "exit;" SIGINT SIGTERM
>>
>> SRCROOT="$HOME/Documents/workspaces/xcode/github/apple/"
>>
>> ALIAS=$(whoami)
>> TOOLCHAIN_NAME="swift-${ALIAS}.xctoolchain"
>> TOOLCHAIN_PREFIX="$HOME/Library/Developer/Toolchains/${TOOLCHAIN_NAME}"
>>
>> export TOOLCHAINS=default
>>
>> if [[ $1 == "--reconfigure" ]]; then
>> RECONFIGURE="--reconfigure"
>> fi
>>
>> # so if anything is put in the wrong place we will *see* it
>> cd "$HOME/Desktop"
>>
>> "$SRCROOT/swift/utils/build-script" \
>> --release \
>> --llvm \
>> --llbuild \
>> --swiftpm \
>> --build-subdir="${ALIAS}" \
>> --assertions \
>> --no-swift-stdlib-assertions \
>> --install-prefix="${TOOLCHAIN_PREFIX}/usr" \
>> --lldb \
>> --darwin-xcrun-toolchain=mxcl \
>> -- \
>> --lldb-use-system-debugserver \
>> ${RECONFIGURE} \
>> --skip-ios \
>> --skip-tvos \
>> --skip-watchos \
>> --skip-build-linux \
>> --skip-build-freebsd \
>> --skip-build-cygwin \
>> --skip-build-ios \
>> --skip-build-ios-device \
>> --skip-build-ios-simulator \
>> --skip-build-tvos \
>> --skip-build-tvos-device \
>> --skip-build-tvos-simulator \
>> --skip-build-watchos \
>> --skip-build-watchos-device \
>> --skip-build-watchos-simulator \
>> --skip-build-xctest \
>> --skip-build-foundation \
>> --skip-build-libdispatch \
>> --skip-build-benchmarks \
>> --skip-test-cmark \
>> --skip-test-lldb \
>> --skip-test-swift \
>> --skip-test-llbuild \
>> --skip-test-swiftpm \
>> --skip-test-xctest \
>> --skip-test-foundation \
>> --skip-test-libdispatch \
>> --skip-test-linux \
>> --skip-test-freebsd \
>> --skip-test-cygwin \
>> --skip-test-osx \
>> --skip-test-ios-simulator \
>> --skip-test-ios-host \
>> --skip-test-tvos-simulator \
>> --skip-test-tvos-host \
>> --skip-test-watchos-simulator \
>> --skip-test-watchos-host \
>> --skip-test-benchmarks \
>> --skip-test-optimized \
>> --stdlib-deployment-targets=macosx-x86_64 \
>> --swift-enable-ast-verifier=0 \
>> --build-swift-examples=0 \
>> --build-swift-stdlib-unittest-extra=0 \
>> --build-swift-static-stdlib=1 \
>> --compiler-vendor=apple \
>> --swift-install-components="compiler;clang-builtin-headers;stdlib;sdk-overlay;license;sourcekit-xpc-service" \
>> --llvm-install-components="libclang;libclang-headers" \
>> --install-swift=1 \
>> --install-llbuild=1 \
>> --install-swiftpm=1 \
>> --install-destdir="/" \
>> --install-lldb=1 \
>> --toolchain-prefix="${TOOLCHAIN_PREFIX}"
>>
>>
>> # doing by hand as the only other way to trigger this
>> # is by specifying --installable-package, which tars
>> # all installed products and is super slow
>>
>> DATE=$(date +%Y.%m.%d)
>> SWIFT_VERSION=$("${TOOLCHAIN_PREFIX}/usr/bin/swift" --version | ruby -e 'ARGF.read =~ /Swift version (\d+\.\d(\.\d+)?(-.*?)?) /; print "#{$1}\n"')
>>
>> if [[ "$SWIFT_VERSION" == "3.0-dev" ]]; then
>> SWIFT_VERSION="3.0.0-dev"
>> fi
>>
>> VERSION="${SWIFT_VERSION}-${ALIAS}+${DATE}"
>>
>> cat > "${TOOLCHAIN_PREFIX}/Info.plist" <<EOF
>> <?xml version="1.0" encoding="UTF-8"?>
>> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd <http://www.apple.com/DTDs/PropertyList-1.0.dtd>">
>> <plist version="1.0">
>> <dict>
>> <key>Aliases</key>
>> <array>
>> <string>${ALIAS}</string>
>> </array>
>> <key>CompatibilityVersion</key>
>> <integer>2</integer>
>> <key>CFBundleIdentifier</key>
>> <string>org.swift.${SWIFT_VERSION}.${ALIAS}</string>
>> <key>DisplayName</key>
>> <string>Swift ${SWIFT_VERSION}.${ALIAS}+${DATE}</string>
>> <key>ReportProblemURL</key>
>> <string>https://bugs.swift.org/ <https://bugs.swift.org/></string>
>> <key>Version</key>
>> <string>${DATE}</string>
>> <key>OverrideEnvironment</key>
>> <dict>
>> <key>ENABLE_BITCODE</key>
>> <false/>
>> <key>SWIFT_DISABLE_REQUIRED_ARCLITE</key>
>> <true/>
>> <key>SWIFT_LINK_OBJC_RUNTIME</key>
>> <true/>
>> </dict>
>> </dict>
>> </plist>
>> EOF
>>
>>
>> # again, only way to trigger this otherwise is do a lengthy --installable-package step
>>
>> cp "${SRCROOT}/swift/utils/swift-stdlib-tool-substitute" "${TOOLCHAIN_PREFIX}/usr/bin/swift-stdlib-tool"
>>
>>
>> You can find the script at: https://gist.github.com/bhargavg/e40b2e7cfe3b34ca5decdb6531068365 <https://gist.github.com/bhargavg/e40b2e7cfe3b34ca5decdb6531068365>
>>
>> Regards,
>> Bhargav Gurlanka
>>
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>
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