[swift-dev] Swift CI PR builder dispatch linux failure

[Jordan Rose]

I think the right order to build things is:

1. libdispatch (C)
2. Swift (compiler + stdlib + Dispatch overlay)
3. Foundation

Otherwise we need to build Swift, then build libdispatch, then go back to "Swift" to build the overlay, and only finally get to Foundation.

Jordan


> On Sep 23, 2016, at 14:32, David P Grove via swift-dev <swift-dev at swift.org> wrote:
> 
> I'm playing with something. Should have a PR ready shortly.
> 
> --dave
> 
> 
> <graycol.gif>"Daniel A. Steffen via swift-dev" ---09/23/2016 04:45:06 PM---I don’t know how these dependencies are expressed in CMake but it doesn’t seem very difficult to do
> 
> From: "Daniel A. Steffen via swift-dev" <swift-dev at swift.org>
> To: Ted Kremenek <kremenek at apple.com>
> Cc: swift-dev <swift-dev at swift.org>
> Date: 09/23/2016 04:45 PM
> Subject: Re: [swift-dev] Swift CI PR builder dispatch linux failure
> Sent by: swift-dev-bounces at swift.org
> 
> 
> 
> 
> I don’t know how these dependencies are expressed in CMake but it doesn’t seem very difficult to do so in the autotools buildsystem, we have
> 
> AC_ARG_WITH([swift-toolchain],
> [AS_HELP_STRING([--with-swift-toolchain], [Specify path to Swift toolchain])],
> [swift_toolchain_path=${withval}
> AC_DEFINE(HAVE_SWIFT, 1, [Define if building for Swift])
> SWIFTC="$swift_toolchain_path/bin/swiftc”
> 
> in configure.ac which ends up as a SWIFTC makefile variable, so as long as that argument is passed as an absolute path, it should work as a dependency in the build rules
> 
> $(abs_builddir)/swift/%.o: $(abs_srcdir)/swift/%.swift
> $(SWIFTC) -frontend -c $(SWIFT_ABS_SRC_FILES) -primary-file $< \
> 
> Is there a JIRA ticket for this ? the IBM folks should probably be the ones making these changes since we still don’t have the whitelist in place for Apple contributors to do so…
> 
> Daniel
> 
> On Sep 23, 2016, at 13:00, Ted Kremenek <kremenek at apple.com <mailto:kremenek at apple.com>> wrote:
> 
> + Daniel
> 
> Daniel: how hard would it be for the Dispatch project to be modified to add the swiftc binary used to build the project as a dependency?
> On Sep 23, 2016, at 12:55 PM, Ted Kremenek via swift-dev <swift-dev at swift.org <mailto:swift-dev at swift.org>> wrote:
> 
> Dispatch is a separate project. There isn’t a dependency in the Dispatch project to tell it is building with a new compiler. The project would need to be modified to add a dependency on the swiftc binary being used to compile this project.
> On Sep 21, 2016, at 9:39 AM, Mishal Shah via swift-dev <swift-dev at swift.org <mailto:swift-dev at swift.org>> wrote:
> 
> We should look into why it's not rebuilding dependencies. Do we need to fix CMake logic? Can you please file a bug?
> 
> 
> Thanks,
> Mishal Shah
> 
> On Sep 21, 2016, at 9:28 AM, Michael Gottesman <mgottesman at apple.com <mailto:mgottesman at apple.com>> wrote:
> +CC Mishal
> On Sep 21, 2016, at 6:59 AM, David P Grove via swift-dev <swift-dev at swift.org <mailto:swift-dev at swift.org>> wrote:
> I don't know how the PR jobs are setup, but the error suggests that they are trying to reuse too much of the workspace of previous runs.
> 
> <unknown>:0: error: module file was created by an older version of the compiler; rebuild 'Dispatch' and try again: /home/buildnode/jenkins/workspace/swift-package-manager-PR-Linux/build/buildbot_linux/libdispatch-linux-x86_64/src/swift/Dispatch.o.~partial.swiftmodule
> 
> --dave
> 
> 
> <graycol.gif>Ankit Aggarwal via swift-dev ---09/21/2016 03:08:58 AM---This has been consistently failing on PRs, can someone look into this: <unknown>:0: error: module fi
> 
> From: Ankit Aggarwal via swift-dev <swift-dev at swift.org <mailto:swift-dev at swift.org>>
> To: swift-dev <swift-dev at swift.org <mailto:swift-dev at swift.org>>
> Date: 09/21/2016 03:08 AM
> Subject: [swift-dev] Swift CI PR builder dispatch linux failure
> Sent by: swift-dev-bounces at swift.org <mailto:swift-dev-bounces at swift.org>
> 
> 
> 
> 
> This has been consistently failing on PRs, can someone look into this:
> 
> <unknown>:0: error: module file was created by an older version of the compiler; rebuild 'Dispatch' and try again: /home/buildnode/jenkins/workspace/swift-package-manager-PR-Linux/build/buildbot_linux/libdispatch-linux-x86_64/src/swift/Dispatch.o.~partial.swiftmodule
> make[2]: *** [/home/buildnode/jenkins/workspace/swift-package-manager-PR-Linux/build/buildbot_linux/libdispatch-linux-x86_64/src/swift/Dispatch.swiftmodule] Error 1
> make[2]: Leaving directory `/home/buildnode/jenkins/workspace/swift-package-manager-PR-Linux/build/buildbot_linux/libdispatch-linux-x86_64/src'
> make[1]: *** [all] Error 2
> make[1]: Leaving directory `/home/buildnode/jenkins/workspace/swift-package-manager-PR-Linux/build/buildbot_linux/libdispatch-linux-x86_64/src'
> make: *** [all-recursive] Error 1
> /home/buildnode/jenkins/workspace/swift-package-manager-PR-Linux/swift/utils/build-script: fatal error: command terminated with a non-zero exit status 2, aborting
> /home/buildnode/jenkins/workspace/swift-package-manager-PR-Linux/swift/utils/build-script: fatal error: command terminated with a non-zero exit status 1, aborting
> 
> 
> https://ci.swift.org/job/swift-package-manager-PR-Linux/497/console <https://ci.swift.org/job/swift-package-manager-PR-Linux/497/console>
> 
> - Ankit 
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