[5.6] TSCBasic: rework relative path construction on Windows (#298) #308
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When constructing a path relative to a root, compose the final path before canonicalization as the canonicalization may require lookups in the base location. We additionally pay a small penalty to convert the slashes to native separators. This is purely for aesthetic purposes, it ensures that the path is computed initially rather than delayed until use. This in conjunction with swiftlang/swift-package-manager#4237 enables the use of header search paths in SPM which are based in other targets.
compnerd
requested review from
aciidgh,
abertelrud,
neonichu,
friedbunny and
tomerd
as code owners
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@swift-ci please test |
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CC: @airspeedswift @ddunbar |
abertelrud
approved these changes
Apr 1, 2022
tomerd
changed the title
airspeedswift
approved these changes
Apr 4, 2022
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When constructing a path relative to a root, compose the final path
before canonicalization as the canonicalization may require lookups
in the base location.
We additionally pay a small penalty to convert the slashes to native
separators. This is purely for aesthetic purposes, it ensures that the
path is computed initially rather than delayed until use.
This in conjunction with swiftlang/swift-package-manager#4237 enables the
use of header search paths in SPM which are based in other targets.