Mark Swift Build as the default build system by owenv · Pull Request #9661 · swiftlang/swift-package-manager

owenv · 2026-01-28T22:49:00Z

Use Swift Build for universal binary bootstrapping
Make SwiftBuild the default build system in the swift-bootstrap executable
Make SwiftBuild the default build system in SwiftPM

owenv · 2026-01-28T22:49:08Z

@swift-ci test

owenv · 2026-02-12T00:52:37Z

@swift-ci test

bkhouri · 2026-02-12T17:16:19Z

@swift-ci test

bkhouri · 2026-02-12T17:20:09Z

@swift-ci test windows

bkhouri · 2026-02-12T17:37:55Z

@swift-ci test windows

Sources/SPMBuildCore/BuildSystem/BuildSystem.swift

bkhouri · 2026-02-17T19:13:17Z

@swift-ci test self hosted

bkhouri · 2026-02-17T20:41:51Z

@swift-ci test

bkhouri · 2026-02-18T15:53:03Z

@swift-ci test

bkhouri · 2026-02-19T00:03:25Z

@swift-ci test

bkhouri · 2026-02-19T20:43:42Z

@swift-ci test

bkhouri · 2026-02-23T16:52:18Z

@swift-ci test self hosted windows

bkhouri · 2026-02-23T16:52:47Z

@swift-ci test linux

bkhouri · 2026-02-24T18:36:25Z

@swift-ci test

bkhouri · 2026-02-24T19:05:02Z

@swift-ci test windows

bkhouri · 2026-02-25T15:25:53Z

@swift-ci test

bkhouri · 2026-02-25T15:29:50Z

@swift-ci test windows

bkhouri · 2026-02-26T15:03:35Z

@swift-ci test linux

bkhouri · 2026-02-28T05:48:21Z

@swift-ci test

bkhouri · 2026-02-28T05:49:33Z

@swift-ci test windows

bkhouri · 2026-03-04T19:36:52Z

swiftlang/swift#87683
swiftlang/swift-build#1159

@swift-ci test

bkhouri · 2026-03-04T19:41:06Z

swiftlang/swift#87683
swiftlang/swift-build#1159

@swift-ci test windows

bkhouri · 2026-03-05T02:39:02Z

swiftlang/swift#87683
swiftlang/swift-build#1159

@swift-ci test

bkhouri · 2026-03-05T02:42:20Z

swiftlang/swift#87683
swiftlang/swift-build#1159

@swift-ci test

bkhouri · 2026-03-05T02:44:41Z

swiftlang/swift#87683
swiftlang/swift-build#1159

@swift-ci test

bkhouri · 2026-03-10T19:02:57Z

swiftlang/swift#87683
swiftlang/swift-build#1159

@swift-ci test

bkhouri · 2026-03-11T16:58:33Z

swiftlang/swift-build#1159

@swift-ci test

bkhouri · 2026-03-11T17:07:36Z

swiftlang/swift-build#1159

@swift-ci test

bkhouri · 2026-03-11T17:08:53Z

swiftlang/swift-build#1159

@swift-ci test windows

bkhouri · 2026-03-11T18:51:19Z

swiftlang/swift-build#1159

@swift-ci test

jakepetroules · 2026-03-11T20:17:33Z

Utilities/bootstrap

+        value.append("linux")
+    elif "windows" in targetTriple:
+        value.append("windows")
+    return "-".join(value).capitalize()


can we add a macos case and then make the else case an error? otherwise this will just be wrong on FreeBSD, for example (and we may actually hit that during FreeBSD bringup?)

jakepetroules · 2026-03-11T20:18:42Z

Utilities/bootstrap

+                                    # get_build_target(args,cross_compile=True)
+                                    'out',
+                                    'Products',
+                                    'Debug-android', # ?


yes, this the the correct directory suffix name

jakepetroules · 2026-03-11T20:23:16Z

Sources/SwiftBuildSupport/PIFBuilder.swift

            )

+            let rootPackagesPaths = rootPackages.map { $0.path }
+            let ids = rootPackagesPaths.map { $0.pathString}.joined(separator: ",")


Do any of these need to be sorted for determinism?

jakepetroules · 2026-03-11T20:24:31Z

Sources/SPMBuildCore/BuildSystem/BuildSystem.swift

                case .native: "Native Build System"
-                case .swiftbuild: "Swift Build build engine (preview; recommended for feedback and testing.  Report issues at https://github.com/swiftlang/swift-package-manager/issues)"
+                case .swiftbuild: "Swift Build build engine (Report issues at https://github.com/swiftlang/swift-package-manager/issues)"
                case .xcode: "Xcode build system integration (discouraged)"


time to mark "deprecated" at this point?

jakepetroules · 2026-03-11T20:24:36Z

Sources/SPMBuildCore/BuildSystem/BuildSystem.swift

@@ -228,7 +228,7 @@ public struct BuildSystemProvider {
        public var defaultValueDescription: String {
            switch self {
                case .native: "Native Build System"


time to mark "deprecated" at this point?

bkhouri · 2026-03-11T23:48:14Z

@swift-ci test

bkhouri · 2026-03-11T23:49:58Z

@swift-ci test windows

bkhouri · 2026-03-12T01:02:24Z

@swift-ci test

owenv · 2026-03-12T18:11:09Z

@swift-ci test

owenv · 2026-03-12T18:21:25Z

@swift-ci test windows

owenv · 2026-03-12T18:59:02Z

@swift-ci test macOS

Co-authored-by: Bassam Khouri <[email protected]>

…le-local-rpath

…vice

owenv · 2026-03-13T01:30:34Z

@swift-ci test

owenv · 2026-03-13T01:47:18Z

@swift-ci test Windows

owenv · 2026-03-13T01:54:11Z

@swift-ci test self hosted Windows

owenv · 2026-03-13T02:04:17Z

@swift-ci test macOS

owenv · 2026-03-13T02:04:37Z

@swift-ci test macOS self hosted

owenv · 2026-03-13T02:16:36Z

@swift-ci test macOS

owenv mentioned this pull request Jan 28, 2026

DNM - toolchain testing swiftlang/swift#79684

Draft

owenv force-pushed the owenv/bootstrap-fun branch from 6a98f17 to 174b47d Compare February 12, 2026 00:52

bkhouri changed the title ~~Use Swift Build for universal binary bootstrapping~~ Mark Swift Build as the default build system Feb 12, 2026

jakepetroules reviewed Feb 12, 2026

View reviewed changes

Sources/SPMBuildCore/BuildSystem/BuildSystem.swift Outdated Show resolved Hide resolved

bkhouri self-assigned this Feb 17, 2026

bkhouri mentioned this pull request Mar 2, 2026

Unable to build package with dependency on package with warnings as errors with new build system #9517

Closed

1 task

jakepetroules reviewed Mar 11, 2026

View reviewed changes

bkhouri force-pushed the owenv/bootstrap-fun branch from 1118ffd to b0ca921 Compare March 11, 2026 23:47

bkhouri force-pushed the owenv/bootstrap-fun branch from b0ca921 to 863ed1c Compare March 12, 2026 01:01

bkhouri assigned owenv Mar 12, 2026

owenv force-pushed the owenv/bootstrap-fun branch from 863ed1c to a959098 Compare March 12, 2026 17:49

bkhouri and others added 3 commits March 12, 2026 17:55

Update default build system to swiftbuild

8e2aadc

Co-authored-by: Bassam Khouri <[email protected]>

[Swift Build] Test runner executables should be exempted from --disab…

3ebcfb4

…le-local-rpath

Improve detection of containing Xcode.app when initializing build ser…

6b32581

…vice

owenv force-pushed the owenv/bootstrap-fun branch from a959098 to 6b32581 Compare March 13, 2026 00:56

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owenv commented Jan 28, 2026 •

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