Hi Eric,

Can you check whether what you're building on has this commit? 
https://github.com/apple/swift-package-manager/commit/0268214b5477ca338b502c90aaa3e9ba50b68e18
 
<https://github.com/apple/swift-package-manager/commit/0268214b5477ca338b502c90aaa3e9ba50b68e18>

There was a truncation of a bit pattern that was causing a trap on arm.

It looks like you're using qemu, so it's possible that it's handling the trap 
strangely.

Also, for arm-specific build issues and the like, the swift-arm slack channel 
may be helpful http://dev.iachieved.it:9909 <http://dev.iachieved.it:9909/>

- Will

> On Sep 19, 2016, at 7:18 AM, Eric Wing via swift-dev <swift-dev@swift.org> 
> wrote:
> 
> I temporarily hacked around the NSXMLNode.swift integer literal
> overflow error I mentioned in the other thread to continue the build.
> I hit a few more problems afterwards.
> 
> 
> First, there was some kind of segmentation fault. It looks like swift
> crashed trying to build libXCTest.so.
> ==================
> 
> + pushd /home/pi/Source/SWIFT/swift-corelibs-foundation
> ~/Source/SWIFT/swift-corelibs-foundation ~/Source/SWIFT/swift
> + /home/pi/Source/SWIFT/build/buildbot_linux/ninja-build/ninja
> [146/146] Link:
> ../build/buildbot_linux/fo...on-linux-armv7/Foundation/libFoundation.so
> + popd
> ~/Source/SWIFT/swift
> xctest: using gold linker
> + /home/pi/Source/SWIFT/swift-corelibs-xctest/build_script.py
> --swiftc=/home/pi/Source/SWIFT/build/buildbot_linux/swift-linux-armv7/bin/swiftc
> --build-dir=/home/pi/Source/SWIFT/build/buildbot_linux/xctest-linux-armv7
> --foundation-build-dir=/home/pi/Source/SWIFT/build/buildbot_linux/foundation-linux-armv7/Foundation
> --libdispatch-src-dir=/home/pi/Source/SWIFT/swift-corelibs-libdispatch
> --libdispatch-build-dir=/home/pi/Source/SWIFT/build/buildbot_linux/libdispatch-linux-armv7
> --release
> xctest-build: mkdir -p
> /home/pi/Source/SWIFT/build/buildbot_linux/xctest-linux-armv7
> xctest-build: 
> /home/pi/Source/SWIFT/build/buildbot_linux/swift-linux-armv7/bin/swiftc
> -Xcc -fblocks -c -O -emit-object -emit-module -module-name XCTest
> -module-link-name XCTest -parse-as-library -emit-module-path
> /home/pi/Source/SWIFT/build/buildbot_linux/xctest-linux-armv7/XCTest.swiftmodule
> -force-single-frontend-invocation -I
> /home/pi/Source/SWIFT/build/buildbot_linux/foundation-linux-armv7/Foundation
> -I 
> /home/pi/Source/SWIFT/build/buildbot_linux/foundation-linux-armv7/Foundation/usr/lib/swift
> -I /home/pi/Source/SWIFT/build/buildbot_linux/libdispatch-linux-armv7/src
> -I /home/pi/Source/SWIFT/swift-corelibs-libdispatch
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Private/TestListing.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Private/ObjectWrapper.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Private/XCTestCaseSuite.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Private/XCPredicateExpectation.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Private/XCTestInternalObservation.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Private/TestFiltering.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Private/PrintObserver.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Private/PerformanceMeter.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Private/WallClockTimeMetric.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Private/ArgumentParser.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Public/XCTAssert.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Public/XCTestSuite.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Public/XCTestCaseRun.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Public/XCNotificationExpectationHandler.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Public/XCTestCase+Performance.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Public/XCTestObservation.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Public/XCTestObservationCenter.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Public/XCTestRun.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Public/XCTestCase+Asynchronous.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Public/XCPredicateExpectationHandler.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Public/XCTestCase.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Public/XCTestSuiteRun.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Public/XCTestErrors.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Public/XCTestExpectation.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Public/XCWaitCompletionHandler.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Public/XCTestMain.swift
> /home/pi/Source/SWIFT/swift-corelibs-xctest/Sources/XCTest/Public/XCAbstractTest.swift
> -o /home/pi/Source/SWIFT/build/buildbot_linux/xctest-linux-armv7/XCTest.o
> xctest-build: 
> /home/pi/Source/SWIFT/build/buildbot_linux/swift-linux-armv7/bin/swiftc
> -emit-library 
> /home/pi/Source/SWIFT/build/buildbot_linux/xctest-linux-armv7/XCTest.o
> -L 
> /home/pi/Source/SWIFT/build/buildbot_linux/foundation-linux-armv7/Foundation
> -lswiftGlibc -lswiftCore -lFoundation -lm -Xlinker -rpath=\$ORIGIN -o
> /home/pi/Source/SWIFT/build/buildbot_linux/xctest-linux-armv7/libXCTest.so
> xctest-build: Done.
> swiftpm: using gold linker
> + /home/pi/Source/SWIFT/swiftpm/Utilities/bootstrap
> --swiftc=/home/pi/Source/SWIFT/build/buildbot_linux/swift-linux-armv7/bin/swiftc
> --sbt=/home/pi/Source/SWIFT/build/buildbot_linux/llbuild-linux-armv7/bin/swift-build-tool
> --build=/home/pi/Source/SWIFT/build/buildbot_linux/swiftpm-linux-armv7
> --foundation=/home/pi/Source/SWIFT/build/buildbot_linux/foundation-linux-armv7/Foundation
> --libdispatch-source-dir=/home/pi/Source/SWIFT/swift-corelibs-libdispatch
> --libdispatch-build-dir=/home/pi/Source/SWIFT/build/buildbot_linux/libdispatch-linux-armv7
> --xctest=/home/pi/Source/SWIFT/build/buildbot_linux/xctest-linux-armv7
> --- bootstrap: note: building stage1:
> /home/pi/Source/SWIFT/build/buildbot_linux/llbuild-linux-armv7/bin/swift-build-tool
> -f 
> /home/pi/Source/SWIFT/build/buildbot_linux/swiftpm-linux-armv7/.bootstrap/build.swift-build
> qemu: uncaught target signal 11 (Segmentation fault) - core dumped
> --- bootstrap: error: build failed with exit status -11
> ./utils/build-script: fatal error: command terminated with a non-zero
> exit status 1, aborting
> ./utils/build-script: fatal error: command terminated with a non-zero
> exit status 1, aborting
> ==================
> 
> 
> 
> I changed the build flags from using the build-bot linux armv7, to
> specifying flags so I could skip the XCTest. I then got another crash.
> It looks like it is Swift-Build.
> ==================
> 
> ~/Source/SWIFT/swift
> + pushd /home/pi/Source/SWIFT/swift-corelibs-foundation
> ~/Source/SWIFT/swift-corelibs-foundation ~/Source/SWIFT/swift
> + /home/pi/Source/SWIFT/build/buildbot_linux/ninja-build/ninja
> [114/114] Link:
> ../build/buildbot_linux/fo...on-linux-armv7/Foundation/libFoundation.so
> + popd
> ~/Source/SWIFT/swift
> swiftpm: using gold linker
> + /home/pi/Source/SWIFT/swiftpm/Utilities/bootstrap
> --swiftc=/home/pi/Source/SWIFT/build/buildbot_linux/swift-linux-armv7/bin/swiftc
> --sbt=/home/pi/Source/SWIFT/build/buildbot_linux/llbuild-linux-armv7/bin/swift-build-tool
> --build=/home/pi/Source/SWIFT/build/buildbot_linux/swiftpm-linux-armv7
> --foundation=/home/pi/Source/SWIFT/build/buildbot_linux/foundation-linux-armv7/Foundation
> --libdispatch-source-dir=/home/pi/Source/SWIFT/swift-corelibs-libdispatch
> --libdispatch-build-dir=/home/pi/Source/SWIFT/build/buildbot_linux/libdispatch-linux-armv7
> --- bootstrap: note: building stage1:
> /home/pi/Source/SWIFT/build/buildbot_linux/llbuild-linux-armv7/bin/swift-build-tool
> -f 
> /home/pi/Source/SWIFT/build/buildbot_linux/swiftpm-linux-armv7/.bootstrap/build.swift-build
> qemu: uncaught target signal 11 (Segmentation fault) - core dumped
> --- bootstrap: error: build failed with exit status -11
> ./utils/build-script: fatal error: command terminated with a non-zero
> exit status 1, aborting
> 
> ==================
> 
> 
> 
> I skipped the Swift Build stuff. Finally it gets to the packaging
> phase, and something in the packaging phase fails. I think it has
> something to do with Python 2.7. I checked the directories and I seem
> to have a python 3.4 subdirectory that was created in the Swift
> package, but the python 2.7 directory it refers to doesn't exist. (My
> Pi has the Python 2.7 packages installed. I think 3 is also
> installed.)
> 
> ==================
> 
> 
> - Installing: 
> /home/pi/swift/usr/include/lldb/DataFormatters/LanguageCategory.h
> -- Installing: /home/pi/swift/usr/include/lldb/DataFormatters/StringPrinter.h
> -- Installing: /home/pi/swift/usr/include/lldb/DataFormatters/TypeCategory.h
> -- Installing: /home/pi/swift/usr/include/lldb/DataFormatters/VectorIterator.h
> -- Installing: /home/pi/swift/usr/include/lldb/DataFormatters/TypeFormat.h
> -- Installing: /home/pi/swift/usr/include/lldb/DataFormatters/FormatManager.h
> -- Installing: 
> /home/pi/swift/usr/include/lldb/DataFormatters/FormattersContainer.h
> -- Installing: 
> /home/pi/swift/usr/include/lldb/DataFormatters/CXXFunctionPointer.h
> -- Installing: 
> /home/pi/swift/usr/include/lldb/DataFormatters/DataVisualization.h
> -- Installing: 
> /home/pi/swift/usr/include/lldb/DataFormatters/DumpValueObjectOptions.h
> CMake Error at scripts/cmake_install.cmake:36 (file):
>  file INSTALL cannot find
>  "/home/pi/Source/SWIFT/build/buildbot_linux/lldb-linux-armv7/lib/python2.7".
> Call Stack (most recent call first):
>  cmake_install.cmake:42 (include)
> 
> 
> FAILED: cd /home/pi/Source/SWIFT/build/buildbot_linux/lldb-linux-armv7
> && /home/pi/usr/local/bin/cmake -P cmake_install.cmake
> ninja: build stopped: subcommand failed.
> ./utils/build-script: fatal error: command terminated with a non-zero
> exit status 1, aborting
> 
> ==================
> 
> 
> 
> I would appreciate any guidance on these.
> 
> Thanks,
> Eric
> _______________________________________________
> swift-dev mailing list
> swift-dev@swift.org
> https://lists.swift.org/mailman/listinfo/swift-dev

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