[zeromq-dev] ZeroMQ 4.1.5 runtime crash on iOS 10 SDK

[Ahmad Zawawi]

True. I will investigate that option. I am using the '-mios-version-min=8.0'
flag. Obviously it has some disadvantages. Please see (
https://github.com/azawawi/libzmq-ios/blob/master/libzmq.sh#L88). The
problem already occurred on a similar project (i.e.
https://curl.haxx.se/mail/lib-2016-09/0043.html).

The problem is now solved for 4.1. Any update on the release date of 4.2?

Thanks for your help,
Ahmad

2016-10-25 17:55 GMT+03:00 Luca Boccassi <luca.boccassi at gmail.com>:

> Hi,
>
> I think the build system it's already doing the right thing, which is to
> check if running on an apple system and if so, if the syscall is
> available or not and define it if needed.
>
> You said you built for IOS 10 and ran on IOS 9: if I understand
> correctly and the syscalls support is different between those 2 version,
> then that's your problem, you need to build against the right target as
> they are not compatible.
>
> On Tue, 2016-10-25 at 12:12 +0300, Ahmad Zawawi wrote:
> > Thanks for your reply. It seems so. Please see the curl / iOS 10
> discussion
> > in the link that I sent earlier. Meanwhile, I made a workaround to patch
> > src/platform.hpp after the configure stage (
> > https://github.com/azawawi/libzmq-ios/blob/master/
> platform-patched.hpp#L11).
> > Unit tests are now working after this change on iOS 8 and 9 simulators
> > (Build log: https://travis-ci.org/azawawi/SwiftyZeroMQ/jobs/170303450).
> >
> > Also I saw this commit to add an implementation for it in the 4.2 branch
> (
> > https://github.com/zeromq/libzmq/commit/a8f11b3c3d719c1c248f64933862c9
> 13111dded8).
> > The crash was occurring in the zmq::clock_t::now_us function.
> >
> > Regards,
> > Ahmad
> >
> > 2016-10-25 6:26 GMT+03:00 Laughing <hnwyllmm at 126.com>:
> >
> > > There is no clock_gettime API in the IOS platform?
> > > Or some library should be linked?
> > >
> > >
> > >
> > >
> > >
> > > On 10/24/2016 16:34， Ahmad Zawawi <ahmad.zawawi at gmail.com> wrote：
> > >
> > > Hi,
> > >
> > > I encountered today a clock_gettime run time crash while testing on iOS
> > > 9.0 and earlier using a libzmq.a that is compiled on an iOS 10.0 SDK.
> The
> > > Swift language bindings for iOS (https://github.com/azawawi/
> SwiftyZeroMQ)
> > > is currently using a bundled universal libzmq.a (https://github.com/
> > > drewcrawford/libzmq-ios). When I enabled Travis CI tests on iOS 9 and
> > > earlier, the tests started to fail with the error "dyld: lazy symbol
> > > binding failed: Symbol not found: _clock_gettime" (libSystem.dylib).
> Tests
> > > are working perfectly on iOS 10. The problem seems to be similar to
> > > https://curl.haxx.se/mail/lib-2016-09/0043.html.
> > >
> > > Is there a way to disable clock_gettime detection via the configure
> shell
> > > script?
> > >
> > > Regards,
> > > Ahmad M. Zawawi
> > >
> > >
> > >
> > >
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