[swift-dev] repl/test-repl-glibc.py Failure on Ubuntu

Fri Apr 15 11:10:22 CDT 2016

+Mishal, while Ryan et al are looking at the broken REPL, would it make
sense to update the CI servers with the Python pexpect module so that the
test-repl-glibc.py will fail the build?

On Fri, Apr 15, 2016 at 10:19 AM, Ryan Lovelett <swift-dev at ryan.lovelett.me>
wrote:

> I've tried reverting c6121d56b19305cf59148d46af54c06b771f3180 just to
> see if doing that will restore functionality to lldb/repl.
>
> Unfortunately too many things have changed in the build system since
> that commit for a revert to make sense anymore.
>
> Can anyone provide documentation/explain the mechanics of what happens
> when I type "import Glibc" into the REPL/lldb?
>
> On Thu, Apr 14, 2016, at 05:47 PM, Dmitri Gribenko wrote:
> > +Brian
> >
> > On Thu, Apr 14, 2016 at 2:46 PM, Ryan Lovelett via swift-dev
> > <swift-dev at swift.org> wrote:
> > > I've played around with `git bisect` and I think I've tracked it down
> to
> > > this commit [1]. Which came from PR #1704 [2]. I've also updated the
> issue,
> > > SR-1109, to include this information.
> > >
> > > c6121d56b19305cf59148d46af54c06b771f3180 is the first bad commit
> > > commit c6121d56b19305cf59148d46af54c06b771f3180
> > > Author: Brian Gesiak <bgesiak at fb.com>
> > > Date:   Wed Mar 16 13:29:42 2016 -0400
> > >
> > >     [Un-revert][Glibc] Configure modulemap for target, not host
> > >
> > >     This reverts commit f2154ee94d, which reverted 04e1cd5bda. The
> original
> > >     commit needed to be reverted because of an issue in which install
> > >     targets were added to OS X builds that did not target Linux. This
> > >     addresses that issue by guarding all the Linux-only CMake logic
> with a
> > >     check for the SDK being built.
> > >
> > > :040000 040000 e92829c16aa22f20edfdf95f3bb18bb15a3fa226
> > > 90062ad44050a19fc0d5bc846409945e83619b01 M    lib
> > > :040000 040000 bbe94bf4af832e154065bc0bcafffab2dacb839e
> > > 1a8be73f86884bda848cde22885bcd72a17660b2 M    stdlib
> > > :040000 040000 abf55068f67ee44e2bd52169aa8b988fb8aead28
> > > 41db0f8ddec3281f51c6798dd47c86675b7118b3 M    tools
> > >
> > > [1]
> > >
> https://github.com/apple/swift/commit/c6121d56b19305cf59148d46af54c06b771f3180
> > > [2] https://github.com/apple/swift/pull/1704
> > >
> > >
> > > On Thu, Apr 14, 2016, at 12:36 PM, Jordan Rose wrote:
> > >
> > > +swift-lldb-dev
> > >
> > >
> > > On Apr 14, 2016, at 7:20 , Joseph Bell via swift-dev <
> swift-dev at swift.org>
> > > wrote:
> > >
> > > Ryan, thanks.  I've voted on SR-1109 and will add the steps I use to
> > > reproduce as well.
> > >
> > > I think now its clear why the 14.04 and 15.10 packaging tests are
> passing,
> > > and that's because they aren't running the tests that leverage
> pexpect, if
> > > you look at the console log for the 14.04 test:
> > >
> https://ci.swift.org/view/Packages/job/oss-swift-package-linux-ubuntu-14_04/993/consoleText
> > >
> > > lit.py: lit.cfg:101: note: 'pexpect' module unavailable, skipping
> related
> > > tests
> > >
> > > Perhaps pexpect should be added to the CI server so these tests can
> begin
> > > failing properly.
> > >
> > >
> > > On Thu, Apr 14, 2016 at 8:47 AM, Ryan Lovelett via swift-dev
> > > <swift-dev at swift.org> wrote:
> > >
> > >
> > >
> > > On Thu, Apr 14, 2016, at 09:17 AM, Joseph Bell via swift-dev wrote:
> > >
> > > Howdy,
> > >
> > > I've mentioned this once before and didn't get any feedback; I thought
> I'd
> > > give it one more shot.
> > >
> > > Has anyone out there tried building, from scratch, the Swift 3.0
> package on
> > > Ubuntu?  The compile, link, packaging steps all complete successfully,
> but
> > > then the repl/test-repl-glibc.py fails.  The failure is that the REPL
> > > doesn't interact (the underlying script is using pexpect to
> send/expect)
> > > properly:
> > >
> > >   2> import Glibc
> > > warning: <REPL>:1:1: warning: #line directive is deprecated, please use
> > > #sourceLocation instead
> > > #line 2 "repl.swift"
> > > ^~~~~
> > > #sourceLocation
> > >
> > > warning: repl.swift:3:1: warning: #line directive is deprecated,
> please use
> > > #sourceLocation instead
> > > #line
> > > ^~~~~
> > > #sourceLocation
> > >
> > > error: repl.swift:2:8: error: missing required module 'SwiftGlibc'
> > > import Glibc
> > >
> > > This is occurring on two separate Ubuntu 14.04 systems, one of which
> is a
> > > greenfield VM with all of the prerequisites/clang-3.6 installed.
> > >
> > > Stumped on this one and was just curious if anyone can reproduce.
> > >
> > >
> > >
> > > I can also reproduce. I actually broght this up yesterday too (just on
> a
> > > different list) [1]. I suggest you go vote for SR-1109 [2] which is
> the bug
> > > report for this issue.
> > >
> > > I think this is show stopper. Not for the REPL break but because it
> also
> > > breaks the debugger on Linux as well.
> > >
> > > Right now I'm trying to bisect the repos to see which commit(s?) might
> have
> > > introduced this regression. Kate Stone mentioned that she thinks this
> issue
> > > was introduced sometime after the 3-16 snapshot. I'm trying to
> corroborate
> > > that.
> > >
> > > [1]
> > >
> https://lists.swift.org/pipermail/swift-lldb-dev/Week-of-Mon-20160411/000106.html
> > > [2] https://bugs.swift.org/browse/SR-1109
> > >
> > >
> > >
> > >
> > > Thanks,
> > > Joe
> > >
> > >
> > >
> > > ---
> > > http://dev.iachieved.it/iachievedit/
> > > @iachievedit
> > >
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> > >
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> > >
> > >
> > >
> > >
> > >
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> > > @iachievedit
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> >
> >
> >
> > --
> > main(i,j){for(i=2;;i++){for(j=2;j<i;j++){if(!(i%j)){j=0;break;}}if
> > (j){printf("%d\n",i);}}} /*Dmitri Gribenko <gribozavr at gmail.com>*/
>

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