> On Jan 21, 2016, at 2:41 PM, Mark Millard <mar...@dsl-only.net> wrote: > > On Thu Jan 21 13:11:03 UTC 2016 Andrew Turner andrew at fubar.geek.nz wrote" > >> I've disabled setting -mlong-calls on the clang libraries for now, >> however I expect we will need to enable it again when clang 3.8.0 is >> imported. As such I would recommend anyone wishing to run buildworld on >> arm to update before this is imported. > > > It seems that folks that later progress from 10.x-??? (or before) to > 11.0-RELELASE at some point for arm elf-hosted buildworld activity will face > the issue without having the opportunity to build a -mlong-calls enabled > context with a smaller clang first: > > BEAGLEBONE > CUBOX-HUMMINGBOARD > GUMSTIX > RPI-B > PANDABOARD > WANDBOARD > > So does the "all but clang libraries" -mlong-calls use need to be MFC'd? Even > this may require updating from older 10.x's to a 10.y that has those > -mlong-calls in place before going to 11.0-RELEASE (or later). > > A similar point will be an issue for switching from such a 10.x (or before) > to 11.0-CURRENT once clang 3.8.0 has been imported: it may require a middle > stage of switching to a then-older 11.0-CURRENT first (such as -r294499).
Personally, I think we should make the dependent on the compiler version when we bring them back / before we MFC things. Warner
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