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5 changes: 3 additions & 2 deletions Package.swift
Original file line number Diff line number Diff line change
Expand Up @@ -51,8 +51,9 @@ let libraryEvolutionCondition = envEnable("OPENBOX_LIBRARY_EVOLUTION")
#endif

if libraryEvolutionCondition {
// NOTE: -enable-library-evolution is not supported on `swift build` yet.
sharedSwiftSettings.append(.unsafeFlags(["-enable-library-evolution"]))
// NOTE: -enable-library-evolution will cause module verify failure for `swift build`.
// Either set OPENGRAPH_LIBRARY_EVOLUTION=0 or add `-Xswiftc -no-verify-emitted-module-interface` after `swift build`
sharedSwiftSettings.append(.unsafeFlags(["-enable-library-evolution", "-no-verify-emitted-module-interface"]))
}

// MARK: - Targets
Expand Down
2 changes: 1 addition & 1 deletion Scripts/build.sh
Original file line number Diff line number Diff line change
Expand Up @@ -9,4 +9,4 @@ OPENBOX_ROOT="$(dirname $(dirname $(filepath $0)))"

cd $OPENBOX_ROOT

OPENBOX_LIBRARY_EVOLUTION=0 swift build
swift build
12 changes: 12 additions & 0 deletions Scripts/build_swiftinterface.sh
Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
#!/bin/zsh

# A `realpath` alternative using the default C implementation.
filepath() {
[[ $1 = /* ]] && echo "$1" || echo "$PWD/${1#./}"
}

OPENBOX_ROOT="$(dirname $(dirname $(filepath $0)))"

cd $OPENBOX_ROOT

swift build -Xswiftc -emit-module-interface -Xswiftc -enable-library-evolution -Xswiftc -no-verify-emitted-module-interface