Sounds like a sensible plan to me. Anyone from ILM care to comment on this? Can you foresee any internal build issues?
Piotr On Thu, Aug 10, 2017 at 11:40 AM Larry Gritz <l...@larrygritz.com> wrote: > Any vendors that have bought into VFX Platform (Autodesk, Foundry, SESI) > should in theory have been on C++11 since last year (and should be on board > for C++14 for any products coming in 2018). > > We're only talking about moving forward, so a stray downstream product > stuck on C++03 can keep using OpenEXR <= 2.2. > > I'll give it a couple days to see if there are objections before I do any > of the actual work. But it will be cleaner and easier if we can just assume > C++11 as a minimum. > > -- lg > > > On Aug 10, 2017, at 11:12 AM, Piotr Stanczyk <piotr.stanc...@gmail.com> > wrote: > > Are there any vendors for whom this would cause an issue? Else, I would > vote for moving things forward > > > On 10 August 2017 at 10:18, Larry Gritz <l...@larrygritz.com> wrote: > >> Ugh, so it's worse than I thought. >> >> I suppose I'm willing to fix and submit a patch to address this. >> >> Do I need to put in the proper macros to make it compile on everything >> from C++03 through 17? Does anybody want to argue for continuing to >> maintain C++03 compatibility for future OpenEXR releases, or is it finally >> time (six years after the C++ standard and 2+ years after VFXPlatform) to >> raise the floor to C++11? >> >> -- lg >> >> >> On Aug 9, 2017, at 11:38 PM, Werner Benger <wer...@cct.lsu.edu> wrote: >> >> It should be noted that dynamic expressions are actually forbidden in >> C++17, so OpenEXR does no longer compile with GCC 7.1 when std C++17 is >> enabled. The highest C++ version that can be used to compile it is C++14, >> where it's still just a warning, while in C++17 it's an error. It would be >> good to have OpenEXR at least compilable in C++17. Major C++ libraries >> such as QT are using C++11 nowadays, so it seems pretty safe to go beyond >> C++03 for modern applications, a lot of things are indeed much easier. >> >> Werner >> >> >> On 10.08.2017 00:20, Larry Gritz wrote: >> >> In a test compile with gcc 7, I get lots of errors of the following ilk: >> >> /home/travis/build/lgritz/openexr/IlmBase/Imath/ImathVec.h:228:34: >> warning: dynamic exception specifications are deprecated in C++11 >> [-Wdeprecated] >> const Vec2 & normalizeExc () throw (IEX_NAMESPACE::MathExc); >> ^~~~~ >> >> I can disable this particular warning, of course, but it's worth noting >> that the OpenEXR code base is not C++11 compliant. But in addition to using >> some C++03 idioms that are deprecated in C++11, perhaps more importantly, >> the code is not taking advantage of new features such as move semantics, >> constexpr, nothrow, and others. For the Imath classes especially, using >> some of these may actually confer a performance benefit. >> >> I feel kind of bad pointing this out while not really having the time at >> the moment to code up and submit an actual patch myself, but I thought I'd >> at least open the topic and see where the community stands on the issue of >> how and when to upgrade to C++11 and if it's important for modern OpenEXR >> to continue to support C++03. For point of reference, the VFX Reference >> Platform [http://www.vfxplatform.com/] dictated C++11 for 2016 and 2017, >> and will be C++14 for 2018. >> >> -- lg >> >> -- >> Larry Gritz >> l...@larrygritz.com >> >> >> >> >> >> _______________________________________________ >> Openexr-devel mailing list >> Openexr-devel@nongnu.org >> https://lists.nongnu.org/mailman/listinfo/openexr-devel >> >> >> -- >> >> ___________________________________________________________________________ >> Dr. Werner Benger Visualization Research >> Center for Computation & Technology at Louisiana State University >> (CCT/LSU) >> 2019 Digital Media Center, Baton Rouge, Louisiana 70803 >> Tel.: +1 225 578 4809 <(225)%20578-4809> Fax.: +1 >> 225 578-5362 <(225)%20578-5362> >> >> >> _______________________________________________ >> Openexr-devel mailing list >> Openexr-devel@nongnu.org >> https://lists.nongnu.org/mailman/listinfo/openexr-devel >> >> >> -- >> Larry Gritz >> l...@larrygritz.com >> >> >> >> >> >> _______________________________________________ >> Openexr-devel mailing list >> Openexr-devel@nongnu.org >> https://lists.nongnu.org/mailman/listinfo/openexr-devel >> >> > > -- > Larry Gritz > l...@larrygritz.com > > > > >
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