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[SR-11945] Swift frontend is too conservative when emitting dependencies #54365

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robinkunde opened this issue Dec 11, 2019 · 0 comments
Closed

[SR-11945] Swift frontend is too conservative when emitting dependencies #54365

robinkunde opened this issue Dec 11, 2019 · 0 comments
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself

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@robinkunde
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Previous ID SR-11945
Radar None
Original Reporter @robinkunde
Type Bug
Status Resolved
Resolution Duplicate

Attachment: Download

Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug
Assignee None
Priority Medium

md5: 9946c31738d692351c1dac81b9632e51

duplicates:

  • SR-11927 Swift compiler chokes when incrementally building one file out of many

relates to:

  • SR-11927 Swift compiler chokes when incrementally building one file out of many
  • SR-11944 Swift Frontend emits too many system framework dependencies

Issue Description:

When emitting the make-style dependencies (*.d), the frontend will very conservatively include all Swift files in the module/project, even for files that don't depend on other files or even empty files (see attached example project).
It also includes interface/header files from other modules that are not imported in a given Swift file.
@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself
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@robinkunde