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SwiftϏϧυؙπΞʔ
@giginet 2025/9/20
Swift Build͕࡞Δ৽͍͠ΤίγεςϜ
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No content
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$ swift build —target MyExecutable
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$ swift build —target MyExecutable
Building for debugging...
[8/8] Applying MyExecutable
Build complete! (0.69s)
$ Swift/swift-build-tour/MyExecutable .build/debug/MyExecutable
Hello, world!
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YDPEFQSPK1BDLBHFTXJGU
YDPEFCVJMETXJGUCVJME
TXJGUCVJMEͰΞϓϦ࡞Εͳ͍ʁ
YDPEFCVJMEͰύοέʔδϏϧυͰ͖ͳ͍ʁ
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Swift Package Manager
Xcode / xcodebuild
swiftc
clang
ld
llbuild
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Swift Package Manager
Xcode / xcodebuild
swiftc
clang
llbuild
ld
Swift Build NEW!!!!
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͜ͷτʔΫͰΘ͔Δ͜ͱ
w ϏϧυγεςϜͷجຊ
w ֤Ϗϧυπʔϧͷͱશମ૾
w 4XJGU#VJMEͱԿ͔
w 4XJGU#VJMEͷඞཁੑ
w ෦ͷ؆୯ͳΈ
w ࠓޙͷϩʔυϚοϓ
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main.swift
$ swiftc main.swift swiftc
print("Hello, World!")
./main
$ ./main
Hello, World!
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MyApp.o ContentView.o
MyApp.swift ContentView.swift iOS SDK
./MyApp
ld
ίϯύΠϧ
ϦϯΫ
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MyApp.o ContentView.o
$ swiftc -c MyApp.swift ContentView.swift
MyApp.swift ContentView.swift
$ ld -o MyApp \
-platform_version macos 15.0.0 15.0.0 \
-syslibroot $(xcrun --show-sdk-path) \
-lSystem \
-L $(xcrun --toolchain swift --show-sdk-
path)/usr/lib/swift \
MyApp.o ContentView.o \
-lswiftCore \
-lobjc \
-lc++ ./MyApp
ld
swiftc/clang
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Swift Compiler
5 — Open Source Swift Workshop, try! Swift Tokyo 2024, @kitasuke
https://speakerdeck.com/kitasuke/open-source-swiftc-workshop?slide=5
thanks: @kitasuke
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Ϗϧυϓϩηε
w ࣮ߦϑΝΠϧͷੜ
w ίϯύΠϧͱϦϯΫ
w Ϧιʔεͷม
w "TTFU$BUBMPH
$PSF%BUB
9$4USJOH
4UPSZCPBSE
w "QQ#VOEMFͷΈཱͯ
w #VJME4DSJQUͷ࣮ߦ
ŋŋŋ
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ϏϧυγεςϜͷඞཁੑ
• େྔͷૢ࡞Λߴʹਖ਼͍͠ॱংͰ࣮ߦ͢Δඞཁ͕͋Δ
• ႈੑͷ୲อ
• ࣮ߦ͝ͱʹ݁Ռ͕ಉҰ
• ΠϯΫϦϝϯλϧͳ࣮ߦ
• มߋ͕͋ͬͨͱ͜Ζ͚ͩΛ࣮ߦ͠ɺෆཁͳ࣮ߦΛආ͚Δ
• ༗໊ͳϏϧυγεςϜ
• CMake, Bazel, Ninja
https://github.com/swiftlang/swift-llbuild
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llbuild
• Low-level Build System
• https://github.com/swiftlang/swift-llbuild
• ֤ϏϧυλεΫΛϊʔυͱͯ͠ѻ͍ɺґଘཧฒྻ࣮ߦɺΩϟογϡͳͲ
Λཧ͢Δ
https://github.com/swiftlang/swift-llbuild
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a.swiftΛίϯύΠϧ
b.swiftΛίϯύΠϧ
ΦϒδΣΫτϑΝΠϧΛϦϯΫ
Asset CatalogͷίϯύΠϧ
Code Sign
ΞϓϦόϯυϧͷ࡞
#VJME5BTL
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a.swiftΛίϯύΠϧ
b.swiftΛίϯύΠϧ
ΦϒδΣΫτϑΝΠϧΛϦϯΫ
Asset CatalogͷίϯύΠϧ
Code Sign
ΞϓϦόϯυϧͷ࡞
#VJME5BTL
a.swift a.o
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a.swiftΛίϯύΠϧ
b.swiftΛίϯύΠϧ
ΦϒδΣΫτϑΝΠϧΛϦϯΫ
Asset CatalogͷίϯύΠϧ
Code Sign
ΞϓϦόϯυϧͷ࡞
#VJME5BTL
a.swift a.o
b.swift
a.o
b.o
MyApp
Assets.xcasset Asset.car
MyApp
Asset.car
MyApp.app
MyApp.app
MyApp.app
b.o
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a.swiftΛίϯύΠϧ
b.swiftΛίϯύΠϧ ΦϒδΣΫτϑΝΠϧΛϦϯΫ
Asset CatalogͷίϯύΠϧ
Code Sign
ΞϓϦόϯυϧͷ࡞
Ϗϧυάϥϑͷ࡞
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No content
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llbuildϚχϑΣετ
• શମͷϏϧυʹඞཁͳૢ࡞ΛҰཡͨ͠ͷ
• ֤Ϗϧυεςοϓͷ࣮ߦίϚϯυɺೖྗɺग़ྗΛએݴ
• ্ҐͷϏϧυγεςϜ(Xcode, SwiftPM)͕ੜ
• ͦΕͧΕͷλεΫґଘؔΛYAML/JSONͰهड़
• SwiftPM: .build/debug.yaml
• Xcode: /manifest.json
• llbuildϚχϑΣετͷ࣮ߦͷΈΛߦ͏
https://github.com/swiftlang/swift-llbuild
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lient:
name: basic
file-system: device-agnostic
ools: {}
argets:
"MyExecutable-arm64-apple-macosx15.0-debug.exe": [""]
"MyExecutable-arm64-apple-macosx15.0-debug.module": [""]
"PackageStructure": [""]
"main": ["",""]
"test": ["",""]
efault: "main"
odes:
"/Users/giginet/work/Swift/swift-build-tour/MyExecutable/Sources/":
is-directory-structure: true
content-exclusion-patterns: [".git",".build"]
"/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/MyExecutable":
is-mutated: true
ommands:
"/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/MyExecutable-entitlement.plist":
tool: write-auxiliary-file
inputs: ["",""]
outputs: ["/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/MyExecutable-entitlement.plist"]
description: "Write auxiliary file /Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/MyExecutable-entitlement.plist"
"/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/MyExecutable.build/sources":
tool: write-auxiliary-file
inputs: ["","/Users/giginet/work/Swift/swift-build-tour/MyExecutable/Sources/main.swift"]
outputs: ["/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/MyExecutable.build/sources"]
description: "Write auxiliary file /Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/MyExecutable.build/sources"
"/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/MyExecutable.product/Objects.LinkFileList":
tool: write-auxiliary-file
inputs: ["","/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/MyExecutable.build/main.swift.o"]
outputs: ["/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/MyExecutable.product/Objects.LinkFileList"]
description: "Write auxiliary file /Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/MyExecutable.product/Objects.LinkFileList"
"/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/swift-version--44D72886A502174.txt":
tool: write-auxiliary-file
inputs: ["","/Applications/Xcode-16.4.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc"]
outputs: ["/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/swift-version--44D72886A502174.txt"]
always-out-of-date: "true"
description: "Write auxiliary file /Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/swift-version--44D72886A502174.txt"
"":
tool: phony
inputs: [""]
outputs: [""]
"":
tool: phony
inputs: ["/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/MyExecutable.build/main.swift.o","/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/Modules/MyExecutable.swiftmodule"]
outputs: [""]
"C.MyExecutable-arm64-apple-macosx15.0-debug.exe":
tool: shell
inputs: ["/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/MyExecutable.build/main.swift.o","/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/MyExecutable.product/Objects.LinkFileList"]
outputs: ["/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/MyExecutable"]
description: "Linking ./.build/arm64-apple-macosx/debug/MyExecutable"
args: ["/Applications/Xcode-16.4.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc","-L","/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug","-o","/Users/giginet/work/Swift/swift-build-tour/
yExecutable/.build/arm64-apple-macosx/debug/MyExecutable","-module-name","MyExecutable","-Xlinker","-no_warn_duplicate_libraries","-emit-executable","-Xlinker","-alias","-Xlinker","_MyExecutable_main","-Xlinker","_main","-Xlinker","-rpath","-
linker","@loader_path","@/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/MyExecutable.product/Objects.LinkFileList","-Xlinker","-rpath","-Xlinker","/Applications/Xcode-16.4.app/Contents/Developer/Toolchains/
codeDefault.xctoolchain/usr/lib/swift-5.5/macosx","-target","arm64-apple-macosx10.13","-Xlinker","-add_ast_path","-Xlinker","/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/Modules/MyExecutable.swiftmodule","-sdk","/
pplications/Xcode-16.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.5.sdk","-F","/Applications/Xcode-16.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks","-F","/Applications/Xcode-16.4.app/Contents/Developer/
latforms/MacOSX.platform/Developer/Library/PrivateFrameworks","-I","/Applications/Xcode-16.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib","-L","/Applications/Xcode-16.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib","-g"]
"C.MyExecutable-arm64-apple-macosx15.0-debug.exe-entitlements":
tool: shell
inputs: ["/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/MyExecutable","/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/MyExecutable-entitlement.plist"]
outputs: [""]
description: "Applying debug entitlements to ./.build/arm64-apple-macosx/debug/MyExecutable"
args: ["codesign","--force","--sign","-","--entitlements","/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/MyExecutable-entitlement.plist","/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/
ebug/MyExecutable"]
"C.MyExecutable-arm64-apple-macosx15.0-debug.module":
tool: shell
inputs: ["/Users/giginet/work/Swift/swift-build-tour/MyExecutable/Sources/main.swift","/Users/giginet/work/Swift/swift-build-tour/MyExecutable/.build/arm64-apple-macosx/debug/swift-version--44D72886A502174.txt","/Users/giginet/work/Swift/swift-build-tour/
yExecutable/.build/arm64-apple-macosx/debug/MyExecutable.build/sources"]
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"C.MyExecutable-arm64-apple-macosx15.0-debug.module":
tool: shell
inputs: [
"main.swift",
".build/arm64-apple-macosx/debug/swift-version--44D72886A502174.txt",
".build/arm64-apple-macosx/debug/MyExecutable.build/sources"
]
outputs: [
".build/arm64-apple-macosx/debug/MyExecutable.build/main.swift.o",
".build/arm64-apple-macosx/debug/Modules/MyExecutable.swiftmodule"
]
description: "Compiling Swift Module 'MyExecutable' (1 sources)"
args: ["/Applications/Xcode-16.4.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc","-
module-name","MyExecutable","-emit-dependencies","-emit-module","-emit-module-path","/.build/arm64-apple-macosx/
debug/Modules/MyExecutable.swiftmodule","-output-file-map","/.build/arm64-apple-macosx/debug/MyExecutable.build/
output-file-map.json","-incremental","-c","@/.build/arm64-apple-macosx/debug/MyExecutable.build/sources","-
I","/.build/arm64-apple-macosx/debug/Modules","-target","arm64-apple-macosx10.13","-enable-batch-mode","-index-
store-path","/.build/arm64-apple-macosx/debug/index/store","-Onone","-enable-testing","-j16","-DSWIFT_PACKAGE","-
DDEBUG","-module-cache-path","/.build/arm64-apple-macosx/debug/ModuleCache","-parseable-output","-Xfrontend","-
entry-point-function-name","-Xfrontend","MyExecutable_main","-color-diagnostics","-swift-version","6","-sdk","/
Applications/Xcode-16.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.5.sdk","-F","/
Applications/Xcode-16.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks","-F","/
Applications/Xcode-16.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/PrivateFrameworks","-
I","/Applications/Xcode-16.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib","-L","/
Applications/Xcode-16.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib","-g","-Xcc","-
isysroot","-Xcc","/Applications/Xcode-16.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/
MacOSX15.5.sdk","-Xcc","-F","-Xcc","/Applications/Xcode-16.4.app/Contents/Developer/Platforms/MacOSX.platform/
Developer/Library/Frameworks","-Xcc","-F","-Xcc","/Applications/Xcode-16.4.app/Contents/Developer/Platforms/
MacOSX.platform/Developer/Library/PrivateFrameworks","-Xcc","-fPIC","-Xcc","-g","-package-name","myexecutable"]
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llbuild
llbuildϚχϑΣετΛ࡞͢Δ
CLIίϚϯυͷ࣮ߦ
swiftc / ld / clang / ͦͷଞͷπʔϧ
Swift Package Manager
Xcode
Xcode Project Package.swift
ϓϩδΣΫτɾύοέʔδΛಡΈࠐΉ
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xcbuild
llbuild
swiftc
*.xcodeproj
xcodebuild
Xcode Swift Package Manager
~Xcode 16.2
Package.swift
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ݱঢ়ͷϏϧυγεςϜͷ
w MMCVJMEͷϑϩϯτΤϯυͷ࣮͕ෳଘࡏ
w 9DPEF YDCVJME
w 4XJGU1.
w ͭͷϏϧυγεςϜʹػೳ͕ࠩੜ·ΕΔ
w ରԠϓϥοτϑΥʔϜ
w ϚΫϩɺύοέʔδϓϥάΠϯ
https://forums.swift.org/t/evolving-swiftpm-builds-with-swift-build/77596
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Swift Build
llbuild
swiftc
*.xcodeproj
xcodebuild
Xcode Swift Package Manager
Xcode 16.3~
Package.swift
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CVJMETZTUFN TXJGUCVJME
https://github.com/swiftlang/swift-package-manager/pull/8271
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4XJGU1BDLBHF.BOBHFSͷϏϧυϞʔυ
# Native Build mode(Default)
$ swift build —build-system=native
# SwiftBuild mode
$ swift build —build-system=swiftbuild
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Swift Build
llbuild
swiftc
*.xcodeproj
xcodebuild
Xcode Swift Package Manager
Xcode 16.3~
Package.swift
swiftbuild
native
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4XJGU#VJMEͷతϏϧυମݧͷ౷Ұ
w 4XJGU1BDLBHF.BOBHFSͱ9DPEFͰϏϧυύε͕ҟͳΔ
w ػೳ͕ࠩ͋Δ
w 9DPEFϚΫϩ1BDLBHF1MVHJOΛѻ͑ͳ͍
w 4XJGU1.J04͚ʹϏϧυ͕Ͱ͖ͳ͍
w ΫϩείϯύΠϧͷͨΊͷج൫ͷఏڙ
w "QQMF"OESPJE-JOVY8JOEPXT8"4.
https://forums.swift.org/t/evolving-swiftpm-builds-with-swift-build/77596
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4XJGU#VJMEͷత৽͍͠ػೳͷͨΊͷ֦ு
w 4XJGU1BDLBHF.BOBHFSͰੜՄೳͳϓϩμΫτλΠϓʹ੍ݶ͕͋Δ
w ྫ͑ΞϓϦ࡞Εͳ͍ͳͲ
w 9DPEFͷϏϧυج൫ͱἧ͏͜ͱͰɺΑΓ༷ʑͳΦϓγϣϯϓϩμΫτͷछ
ྨʹରԠͰ͖Δ
https://forums.swift.org/t/evolving-swiftpm-builds-with-swift-build/77596
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4XJGU#VJMEͷతϏϧυ࠷దԽ
w ϏϧυγεςϜͷ৽ʹΑΔϏϧυ࠷దԽ
w ฒྻͷ্ͳͲ
w &YQMJDJUMZ#VJME.PEVMFͷಋೖ
w ϏϧυάϥϑΛઌʹߏஙͯ͠࠷దԽ͢Δ৽͍͠Ϗϧυख๏
w ΠϯΫϦϝϯλϧϏϧυͷϏϧυΩϟογϡར༻ͷ্
w 9DPEF͔Βඪ४Խ
w ͭ·Γྑ͍ײ͡ʹͳΔ
https://forums.swift.org/t/evolving-swiftpm-builds-with-swift-build/77596
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4XJGU#VJMEͷಈ࡞
w 1*'͔Β8PSLTQBDFΛಡΈऔΔ
w λεΫΛߏஙͯ͠#VJME1MBOΛ࡞Δ 48#5BTL$POTUSVDUJPO
w MMCVJMEͱ௨৴ͯ͠#VJME1MBOΛ࣮ߦ 48#5BTL&YFDVUJPO
https://github.com/swiftlang/swift-build/blob/main/SwiftBuild.docc/Architecture/build-system-architecture.md
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4XJGU#VJMEͷಈ࡞
w 1*'͔Β8PSLTQBDFΛಡΈऔΔ
w λεΫΛߏஙͯ͠#VJME1MBOΛ࡞Δ 48#5BTL$POTUSVDUJPO
w MMCVJMEͱ௨৴ͯ͠#VJME1MBOΛ࣮ߦ 48#5BTL&YFDVUJPO
https://github.com/swiftlang/swift-build/blob/main/SwiftBuild.docc/Architecture/build-system-architecture.md
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1SPKFDU*OUFSDIBOHF'PSNBU
w 4XJGU#VJMEʹϏϧυϦΫΤετΛૹ৴͢ΔͨΊͷϓϩδΣΫτදݱ
w 9DPEFϓϩδΣΫτͷΑ͏ͳߏΛ+40/Ͱදݱ
w 9DPEF4XJGU1BDLBHF.BOBHFS͕ͦΕͧΕ1*'Λੜͯ͠4XJGU#VJMEʹ
ϦΫΤετ
https://github.com/swiftlang/swift-build/blob/main/SwiftBuild.docc/Core/project-interchange-format.md
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Swift Build
llbuild
swiftc
*.xcodeproj
xcodebuild
Xcode Swift Package Manager
Xcode 16.3~
Package.swift
PIF
PIF
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4XJGU#VJMEͰ1*'ΛϏϧυ͢Δ
# Dump PIF from Xcode Project
$ /usr/bin/xcrun xcodebuild -dumpPIF /path/to/MyApp.pif -project
MyApp.xcodeproj
# Dump PIF from Swift Package
$ swift package dump-pif > MyPackage.pif
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},
{
"buildSettings" : {
"CLANG_ENABLE_OBJC_ARC" : "YES",
"CODE_SIGNING_REQUIRED" : "NO",
"CODE_SIGN_IDENTITY" : "",
"COPY_PHASE_STRIP" : "YES",
"DEBUG_INFORMATION_FORMAT" : "dwarf-with-dsym",
"DRIVERKIT_DEPLOYMENT_TARGET" : "19.0",
"DYLIB_INSTALL_NAME_BASE" : "@rpath",
"ENABLE_TESTABILITY" : "YES",
"ENABLE_TESTING_SEARCH_PATHS" : "YES",
"ENTITLEMENTS_REQUIRED" : "NO",
"FRAMEWORK_SEARCH_PATHS[__platform_filter=ios;ios-simulator]" : [
"$(inherited)",
"$(PLATFORM_DIR)/Developer/Library/Frameworks"
],
"FRAMEWORK_SEARCH_PATHS[__platform_filter=macos]" : [
"$(inherited)",
"$(PLATFORM_DIR)/Developer/Library/Frameworks"
],
"FRAMEWORK_SEARCH_PATHS[__platform_filter=tvos;tvos-simulator]" : [
"$(inherited)",
"$(PLATFORM_DIR)/Developer/Library/Frameworks"
],
"GCC_OPTIMIZATION_LEVEL" : "s",
"GCC_PREPROCESSOR_DEFINITIONS" : [
"$(inherited)",
"SWIFT_PACKAGE"
],
"IPHONEOS_DEPLOYMENT_TARGET" : "12.0",
"IPHONEOS_DEPLOYMENT_TARGET[__platform_filter=ios-maccatalyst]" : "13.0",
"KEEP_PRIVATE_EXTERNS" : "NO",
"MACOSX_DEPLOYMENT_TARGET" : "10.13",
"OTHER_LDRFLAGS" : [
],
"PRODUCT_NAME" : "$(TARGET_NAME)",
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4XJGU#VJMEͰ1*'ΛϏϧυ͢Δ
# Build PIF with Swift Build
$ swbuild build \
—con
f
iguration release \
—target MyApp MyApp.pif \
—derivedData DerivedData
swbuild = Swift Buildʹଐ͍ͯ͠ΔCLIπʔϧ
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$ swbuild build \
--configuration release MyApp.pif \
—-target MyApp \
--derivedDataPath DerivedData
96
{"kind":"planningOperationStarted","planningOperationID":"4B9C6712
-57C2-4019-AD58-F4B09217C4DB"}
201
{"executionDescription":"Compute target dependency
graph","id":1,"kind":"taskStarted","ruleInfo":"ComputeTargetDepend
encyGraph","serializedDiagnosticsPaths":
[],"signature":"\u0001compute_target_graph"}
347
{"appendToOutputStream":true,"childDiagnostics":[],"component":
{"componentType":"default"},"fixIts":[],"kind":"note","location":
{"locationType":"unknown"},"locationContext":
{"locationType":"globalTask","taskID":1},"locationContext2":
{"taskSignature":"\u0001compute_target_graph"},"message":"Building
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No content
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4XJGU#VJMEͷಈ࡞
w 1*'͔Β8PSLTQBDFΛಡΈऔΔ
w λεΫΛߏஙͯ͠#VJME1MBOΛ࡞Δ 48#5BTL$POTUSVDUJPO
w MMCVJMEͱ௨৴ͯ͠#VJME1MBOΛ࣮ߦ 48#5BTL&YFDVUJPO
https://github.com/swiftlang/swift-build/blob/main/SwiftBuild.docc/Architecture/build-system-architecture.md
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https://github.com/swiftlang/swift-build/tree/main/Sources/SWBTaskExecution/TaskActions
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%ZOBNJD5BTL&YFDVUJPO
https://github.com/swiftlang/swift-build/blob/main/SwiftBuild.docc/Architecture/dynamic-tasks.md
w 4XJGU#VJME͕MMCVJMEʹλεΫཁٻΛ͢Δͱ͖ʹಈతʹ࣮ߦܭըΛཱͯΔ
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w جຊతʹMMCVJMEϚχϑΣετΛੜͦ͠ΕΛ࣮ߦ͢Δ
w ࣮ߦ࣌ʹ͔͠໌͠ͳ͍λεΫΛѻ͏ͨΊʹMMCVJMEͱํʹ௨৴ͯ͠ಈ
తʹ࣮ߦܭըΛཱͯΔ
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Swift Build
llbuild
swiftc
*.xcodeproj
xcodebuild
Xcode Swift Package Manager
Current
Package.swift
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Swift Build
llbuild
swiftc
*.xcodeproj
xcodebuild
Xcode Swift Package Manager
Package.swift
PIF
llbuild Manifest
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4XJGU#VJMEඪ४ԽͷͨΊʹ
w OBUJWFϏϧυϞʔυͱͷػೳޓੑ
w 4XJGU#VJMEͰαϙʔτ͞Ε͍ͯͳ͍4XJGU1BDLBHFͷػೳ͕͋Δ
w ϚΫϩ
w ϓϥάΠϯ
w ϚϧνϓϥοτϑΥʔϜରԠ
w 4XJGU#VJME8JOEPXT-JOVY"OESPJEαϙʔτ͕ෆશ
https://forums.swift.org/t/evolving-swiftpm-builds-with-swift-build/77596
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֤πʔϧͷׂ
xcodebuild/SwiftPM xcodeproj, Swift PackageΛύʔεͨ͠ΓɺґଘղܾΛͯ͠PIFΛੜ
Swift Build
ϓϩδΣΫτఆ͔ٛΒλεΫΛεέδϡʔϦϯάɺllbuild͚ͷϚχϑΣε
τΛੜ
llbuild ϏϧυϚχϑΣετʹԊͬͯϏϧυϓϩηεΛ࣮ߦ
swiftc/clang/ld ίϯύΠϧϦϯΫΛ࣮ߦ
·ͱΊ
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·ͱΊ
w 4XJGU#VJME͕ొͨ͜͠ͱͰ4XJGU1.ͱ9DPEFϏϧυͷύε͕౷߹͞ΕΔ
w ͭͷϏϧυγεςϜͷػೳࠩҟ͕ຒ·͍ͬͯ͘
w ΫϩεϓϥοτϑΥʔϜϏϧυ͞Βʹਪਐ͞ΕΔ
w ΞʔΩςΫνϟ͕Ұ৽͞Εͨ͜ͱͰߴԽ࠷దԽ͕ΑΓਐΜͰ͍͘
w ΦʔϓϯιʔεԽ͞Εͨ͜ͱͰɺϒϥοΫϘοΫεͩͬͨ9DPEFϏϧυͷ
ಈ࡞ৄࡉΛௐࠪ͘͢͠ͳͬͨ
https://forums.swift.org/t/evolving-swiftpm-builds-with-swift-build/77596
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͝ਗ਼ௌ
͋Γ͕ͱ͏
͍͟͝·ͨ͠