[swift-corelibs-dev] libdispatch prep for integration to the rest of swift-corelibs

[David P Grove]

On the branch that the pthread wq pull request comes from, libdispatch
builds on Ubuntu 14 and tests run.

So, no more problems lurking behind that one.

--dave



From:	Pierre Habouzit <phabouzit at apple.com>
To:	Philippe Hausler <phausler at apple.com>
Cc:	David P Grove/Watson/IBM at IBMUS, Swift Core Libs
            <swift-corelibs-dev at swift.org>
Date:	01/13/2016 02:53 PM
Subject:	Re: [swift-corelibs-dev] libdispatch prep for integration to
            the rest of swift-corelibs
Sent by:	phabouzit at apple.com



it needs pthread wq changes that are still in review (the pull request is
tagged as such).

-Pierre

      On Jan 13, 2016, at 11:11 AM, Philippe Hausler via swift-corelibs-dev
      <swift-corelibs-dev at swift.org> wrote:

      Splitting this off to it’s own thread since this is not per-se
      networking related

            On Jan 13, 2016, at 11:07 AM, David P Grove <groved at us.ibm.com>
            wrote:



            phausler at apple.com wrote on 01/13/2016 01:43:17 PM:
            >
            > Getting GCD up and rolling is definitely a bottleneck for a
            few
            > things (not just NSURLSession).

            Thanks Philippe!  I was looking for things to do :)

            >
            > There are a few things that we need as checkpoints:
            > A set of build instructions tailored for the swift project
            > GCD needs to be able to build on Ubuntu 14 as well as Ubuntu
            15

            I can take a look at Ubuntu 14.  I know that one of the issues
            was the old version of libpthread_workqueue (under discussion
            for other reasons; we need fixes that aren't in the Ubuntu 15
            version).  I'll see if there is anything else standing in the
            way for Ubuntu 14.



      I am getting a build failure on 14:

      /bin/bash ../libtool  --tag=CC   --mode=compile clang -DHAVE_CONFIG_H
      -I. -I../config  -I.. -I.. -I../private -I../os
      -DDISPATCH_USE_DTRACE=0 -Wall -fvisibility=hidden
      -momit-leaf-frame-pointer  -I/usr/include/kqueue
      -isystem /usr/include/bsd -DLIBBSD_OVERLAY   -fblocks -g -O2 -c -o
      queue.lo queue.c
      libtool: compile:  clang -DHAVE_CONFIG_H -I. -I../config -I.. -I..
      -I../private -I../os -DDISPATCH_USE_DTRACE=0 -Wall
      -fvisibility=hidden -momit-leaf-frame-pointer -I/usr/include/kqueue
      -isystem /usr/include/bsd -DLIBBSD_OVERLAY -fblocks -g -O2 -c queue.c
      -fPIC -DPIC -o .libs/queue.o
      queue.c:216:22: error: use of undeclared identifier
      'WORKQ_BG_PRIOQUEUE'
                      .dgq_wq_priority = WORKQ_BG_PRIOQUEUE,
                                         ^
      queue.c:227:22: error: use of undeclared identifier
      'WORKQ_BG_PRIOQUEUE'
                      .dgq_wq_priority = WORKQ_BG_PRIOQUEUE,
                                         ^
      queue.c:928:18: error: invalid application of 'sizeof' to an
      incomplete type 'struct dispatch_root_queue_context_s []'




            > We need to move Availability.h and friends down underneath
            both GCD
            > and Foundation since they both use them
            > We need to move the blocks runtime out of Foundation and
            underneath
            > or inside of GCD.
            > The master build script in swift/utils/build-script needs to
            be able
            > to build GCD
            > The master build script in swift/utils/build-script to ensure
            GCD
            > and all required components are built before Foundation and
            the
            > appropriate linker paths are passed to Foundation (see how
            XCTest is handled)
            >

            --dave





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