[swift-build-dev] SwiftPM Boostrap Crash

[Max Howell]

Can your compiled-swift link a basic swift file which imports and uses Darwin, like:

    import Darwin

    print(fopen)


> On Jan 6, 2016, at 12:00 PM, Ryan Lovelett <swift-dev at ryan.lovelett.me> wrote:
> 
> Indeed.
> 
> From my top-level source directory I did this:
> 
> $ rm -rf build clang cmark llbuild lldb llvm swift
> swift-corelibs-foundation swift-corelibs-xctest swift-integration-tests
> swift-llvm swiftpm
> $ git clone https://github.com/apple/swift.git
> $ cd swift
> $ utils/update-checkout --clone
> $ utils/build-script --llbuild --swiftpm
> 
> I'm close to just reformatting my hard-drive. Though it is a work
> computer and I think IT might get mad at me. What they don't know won't
> hurt them right? 😏
> 
> On Wed, Jan 6, 2016, at 12:03 PM, Daniel Dunbar wrote:
>> Hi Ryan,
>> 
>> Am I correct in assuming that when you say you "recloned" all the repos
>> that you also completely blew away your built products?
>> 
>> - Daniel
>> 
>>> On Jan 6, 2016, at 5:43 AM, Ryan Lovelett via swift-build-dev <swift-build-dev at swift.org> wrote:
>>> 
>>> I'm now convinced there is some sort of setting/folder being cached
>>> somewhere that is causing this. I have 2 Macs (a work one, and a
>>> personal one). Doing the same steps with the same code revisions checked
>>> out on my work one triggers this crash; my personal one works as
>>> expected.
>>> 
>>> On Tue, Jan 5, 2016, at 05:32 PM, Max Howell wrote:
>>>> These are Swift standard library symbols not being found.
>>>> 
>>>> In order to work against the PR you don’t need to build from source, you
>>>> can just use the latest snapshots.
>>>> 
>>>> Though obviously we should try to fix this anyway.
>>>> 
>>>> Does it build if you don’t use the swift/utils/build-script, but instead
>>>> just step into the swiftpm source directory and do: Utilities/bootstrap ?
>>> 
>>> Same result regardless of whether I run it like this:
>>> 
>>> $ cd ~/Source/swiftpm
>>> $ Utilities/bootstrap
>>> --sysroot=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk
>>> --swiftc=/Users/lovelett/Source/build/Ninja-DebugAssert/swift-macosx-x86_64/bin/swiftc
>>> --sbt=/Users/lovelett/Source/build/Ninja-DebugAssert/llbuild-macosx-x86_64/bin/swift-build-tool
>>> --build=/Users/lovelett/Source/build/Ninja-DebugAssert/swiftpm-macosx-x86_64
>>> 
>>> 💥
>>> 
>>> $ export
>>> PATH="/Library/Developer/Toolchains/swift-latest.xctoolchain/usr/bin:$PATH"
>>> $ cd ~/Source/swiftpm
>>> $ Utilities/bootstrap
>>> 
>>> 💥
>>> 
>>>> 
>>>>> On Jan 5, 2016, at 1:08 PM, Ryan Lovelett via swift-build-dev <swift-build-dev at swift.org> wrote:
>>>>> 
>>>>> While trying to work on my pull request #108 [1] I've run into a
>>>>> stumbling block that is beginning to drive me nuts. I feel like I've
>>>>> done something wrong, since I don't see anyone else talking about it,
>>>>> but am at a loss as to what to do.
>>>>> 
>>>>> When the bootstrap runs it is crashing with `ld: symbol(s) not found for
>>>>> architecture x86_64`. I've posted [2] the full build log. It was
>>>>> generated with utils/build-script --llbuild --swiftpm > allout.txt 2>&1.
>>>>> 
>>>>> SwiftPM is on commit df7736e3962bfe183451d52b9b865b92f4f9ab26 (just want
>>>>> to point out it does not include my WIP branch) and everything else
>>>>> should be on its latest.
>>>>> 
>>>>> The crash is repeatable. I delete all the swift repos and clone them all
>>>>> down and run the compile again and it crashes same place every time.
>>>>> Someone please help me so I can feel a little less incompetent (or more
>>>>> as the case may be).
>>>>> 
>>>>> [1] https://github.com/apple/swift-package-manager/pull/108
>>>>> [2] https://gist.github.com/b91c66f8ace399292ac9
>>>>> _______________________________________________
>>>>> swift-build-dev mailing list
>>>>> swift-build-dev at swift.org
>>>>> https://lists.swift.org/mailman/listinfo/swift-build-dev
>>>> 
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>>