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  1. Swift
  2. SR-3219

swiftGlibc build order wrong(?)

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Medium
    • Resolution: Done
    • Component/s: None
    • Labels:
    • Environment:

      Linux 4.4.30-32.54.amzn1.x86_64 #1 SMP Thu Nov 10 15:52:05 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

      Description

      SwiftGlibc module is not generated when needed, sometimes?, causing build and build-script to stop.
      1st occurrence for me, but https://lists.swift.org/pipermail/swift-dev/Week-of-Mon-20161107/003449.html encountered the issue recently and references other previous occurrences.

      The error occurred on a clean build on AWS Linux like CentOS C++ 4.8 (in case it's regex related), cmake-3.6.3 (a couple days after an update from 3.6.2).

      Calling `ninja make lib-swift-linux-x86_64-glibc.modulemap` after the error seemed to generate the SwiftGlibc module, allowing the build to proceed on re-invocation of the build script.
      build.ninja attached, though I did tinker with it trying to solve the problem (possibly duplicating a build directive/target).

      Build order may need to be verified.

      The error encountered was (reproduced after failure of build-script):
      [1/51] Compiling /home/ec2-user/swift/...b/public/Platform/linux/x86_64/Glibc.o
      FAILED: stdlib/public/Platform/linux/x86_64/Glibc.o
      cd /home/ec2-user/swift/build/Ninja-ReleaseAssert/swift-linux-x86_64/stdlib/public/Platform && /home/ec2-user/swift/swift/utils/line-directive /home/ec2-user/swift/swift/stdlib/public/Platform/Glibc.swift /home/ec2-user/swift/swift/stdlib/public/Platform/Platform.swift /home/ec2-user/swift/swift/stdlib/public/Platform/TiocConstants.swift /home/ec2-user/swift/build/Ninja-ReleaseAssert/swift-linux-x86_64/stdlib/public/Platform/8/tgmath.swift – /home/ec2-user/swift/build/Ninja-ReleaseAssert/swift-linux-x86_64/./bin/swiftc -c -sdk / -target x86_64-unknown-linux-gnu -resource-dir /home/ec2-user/swift/build/Ninja-ReleaseAssert/swift-linux-x86_64/./lib/swift -O -D INTERNAL_CHECKS_ENABLED -I /home/ec2-user/swift/build/Ninja-ReleaseAssert/swift-linux-x86_64/./lib/swift/linux/x86_64 -module-cache-path /home/ec2-user/swift/build/Ninja-ReleaseAssert/swift-linux-x86_64/./module-cache -no-link-objc-runtime -autolink-force-load -module-link-name swiftGlibc -force-single-frontend-invocation -parse-as-library -o /home/ec2-user/swift/build/Ninja-ReleaseAssert/swift-linux-x86_64/stdlib/public/Platform/linux/x86_64/Glibc.o /home/ec2-user/swift/swift/stdlib/public/Platform/Glibc.swift /home/ec2-user/swift/swift/stdlib/public/Platform/Platform.swift /home/ec2-user/swift/swift/stdlib/public/Platform/TiocConstants.swift /home/ec2-user/swift/build/Ninja-ReleaseAssert/swift-linux-x86_64/stdlib/public/Platform/8/tgmath.swift
      /home/ec2-user/swift/swift/stdlib/public/Platform/Glibc.swift:13:19: error: no such module 'SwiftGlibc'
      @_exported import SwiftGlibc // Clang module
      ^

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            Assignee:
            Unassigned Unassigned
            Reporter:
            willstanton1@yahoo.com W S
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              Dates

              Created:
              Updated:
              Resolved: