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[SR-6639] [Driver] Support for response files in the compiler #49188

dcci mannequin opened this issue Dec 19, 2017 · 1 comment

[SR-6639] [Driver] Support for response files in the compiler #49188

dcci mannequin opened this issue Dec 19, 2017 · 1 comment


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@dcci dcci mannequin commented Dec 19, 2017

Previous ID SR-6639
Radar None
Original Reporter @dcci
Type Bug
Status Resolved
Resolution Duplicate
Additional Detail from JIRA
Votes 0
Labels Bug
Assignee None
Priority Medium

md5: f1e48723bb08888f4a725169d9981836


  • SR-4517 Teach the driver (and frontend?) to handle response files

Issue Description:

I spend a fair amount of time reducing test cases, and this sometimes involves reducing cmdline invocations to minimize the number of arguments.

In clang, I generally run:

$ cat
clang @$1 file.cpp

which makes reducing easier, through, e.g. delta. I tried to do the same with swift, but it turns out I can't find the swiftc equivalent:

bash-3.2$ ./ blah.rsp
<unknown>:0: error: no such file or directory: '@blah.rsp'

@belkadan Jordan, do you happen to know if the driver supports such an option? And, if not, how hard would it be to implement (or desirable)?


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@belkadan belkadan commented Dec 19, 2017

Probably not too hard, seems fine to do, see SR-4517. ;-)

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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