[swift-dev] build-script -x freezing?

Will Stanton willstanton1 at yahoo.com
Fri May 20 16:28:35 CDT 2016

Hi Geoffrey,

Wanted to share I encountered this issue on 5/11.
(Ninja build was+is fine.)

Maybe the first 8 gyb scripts to run (I’m on a 2012 Mac Mini) are not recognized as having finished…
As you suggest, CPU of xcodebuild, cmake, and python processes were all 0.

Will Stanton

> On May 20, 2016, at 9:44 AM, Geoffrey Wiseman via swift-dev <swift-dev at swift.org> wrote:
> Hey,
> Let me start by saying I just checked out the Swift repos yesterday, and although i’ve looked at a little code and done some of the basic setup steps, this is pretty new to me, and I could easily be doing something wrong.
> Having said that, I wanted to set up Xcode so I could make a change, but when I run build-script -x, it goes for a while and then just seems to freeze — cpu usage drops off and nothing further seems to happen. I have let it sit for maybe ten minutes, but not hours.
> It is currently frozen in this section:
> === BUILD AGGREGATE TARGET add_custom_command_target-b646e880e18661860c3d95b53adeee18-ExistentialCollection.swift OF PROJECT Swift WITH CONFIGURATION Debug ===
> After this line:
> cd /Users/geoffrey/dev/work/opensource/swift/swift/stdlib/public/core && /Users/geoffrey/dev/work/opensource/swift/swift/utils/gyb --test -DunicodeGraphemeBreakPropertyFile=/Users/geoffrey/dev/work/opensource/swift/swift/utils/UnicodeData/GraphemeBreakProperty.txt -DunicodeGraphemeBreakTestFile=/Users/geoffrey/dev/work/opensource/swift/swift/utils/UnicodeData/GraphemeBreakTest.txt -DCMAKE_SIZEOF_VOID_P=8 -o /Users/geoffrey/dev/work/opensource/swift/build/Xcode-DebugAssert/swift-macosx-x86_64/stdlib/public/core/8/ExistentialCollection.swift.tmp ExistentialCollection.swift.gyb
> If I break and run it again, it seems to do roughly the same thing and freeze again with slightly different information:
> === BUILD AGGREGATE TARGET add_custom_command_target-c5582f2ec66110e6e1b09a999368ab26-Slice.swift OF PROJECT Swift WITH CONFIGURATION Debug ===
> cd /Users/geoffrey/dev/work/opensource/swift/swift/stdlib/public/core && /Users/geoffrey/dev/work/opensource/swift/swift/utils/gyb --test -DunicodeGraphemeBreakPropertyFile=/Users/geoffrey/dev/work/opensource/swift/swift/utils/UnicodeData/GraphemeBreakProperty.txt -DunicodeGraphemeBreakTestFile=/Users/geoffrey/dev/work/opensource/swift/swift/utils/UnicodeData/GraphemeBreakTest.txt -DCMAKE_SIZEOF_VOID_P=8 -o /Users/geoffrey/dev/work/opensource/swift/build/Xcode-DebugAssert/swift-macosx-x86_64/stdlib/public/core/8/Slice.swift.tmp Slice.swift.gyb
> Any thoughts / suggestions? —verbose-build doesn’t seem to add any useful information. Something I’m doing? 

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