[cfe-dev] clang ToT doesn't build on macOS 10.10 anymore...?

[Nico Weber via cfe-dev]

(for ninja, pass -v to ninja)

On Wed, Mar 14, 2018, 7:35 PM Friedman, Eli via cfe-dev <
cfe-dev at lists.llvm.org> wrote:

> Can you get the exact command-line for the failing command?  (With make,
> you should be able to get that with "make VERBOSE=1", I think.)
>
> -Eli
>
> On 3/14/2018 10:51 AM, Sean McBride wrote:
> > Eli,
> >
> > I don't believe I'm specifying any target triple (I confess I don't
> exactly know what that is).  I'm just doing a vanilla cmake & make on macOS
> 10.10 using Xcode 7.2.1's compiler & SDK.  No cross compiling.  Searching
> cmake's output for "triple" reveals this though: x86_64-apple-darwin14.5.0
> >
> > One new data point: if I manually apply Akira's DISPATCH_NOESCAPE fix to
> r314850, that builds; but r314851 does not.
> >
> > Sean
> >
> >
> > On Mon, 12 Mar 2018 12:22:25 -0700, Friedman, Eli said:
> >
> >> What target triple are you compiling for?  Targets which define
> >> "__ARM_EABI__" should also define "__ELF__", as far as I know.
> >>
> >> -Eli
> >>
> >> On 3/12/2018 6:50 AM, Sean McBride wrote:
> >>> Akira,
> >>>
> >>> Yes, it seems so.  If I try to build r321543 I don't get the
> >> DISPATCH_NOESCAPE error, but do still get the adddf3.c error.
> >>> Sean
> >>>
> >>>
> >>> On Sat, 10 Mar 2018 15:46:54 -0800, Akira Hatanaka said:
> >>>
> >>>> Wasn't the NOESCAPE error fixed in r321543?
> >>>>
> >>>> https://reviews.llvm.org/D41601
> >>>>
> >>>> On Sat, Mar 10, 2018 at 1:35 PM, Sean McBride <
> sean at rogue-research.com>
> >>>> wrote:
> >>>>
> >>>>> CC'ing ahatanak and efriedma
> >>>>>
> >>>>> So I bisected where building on macOS 10.10 broke, and found at
> least 2
> >>>>> commits that introduced errors:
> >>>>>
> >>>>> -------------------------------
> >>>>> r313929 | ahatanak | 2017-09-21 18:16:50 -0400 (Thu, 21 Sep 2017)
> >>>>>
> >>>>> /llvm/llvm/projects/compiler-rt/lib/tsan/rtl/tsan_libdispatch_mac.cc:
> >> 229:1:
> >>>>> error: unknown type name 'DISPATCH_NOESCAPE'
> >>>>> DISPATCH_INTERCEPT_SYNC_B(dispatch_sync, false)
> >>>>> ^
> >>>>> -------------------------------
> >>>>>
> >>>>> -------------------------------
> >>>>> r314851 | efriedma | 2017-10-03 17:25:07 -0400 (Tue, 03 Oct 2017)
> >>>>>
> >>>>> /llvm/llvm/projects/compiler-rt/lib/builtins/adddf3.c:28:53: error:
> alias
> >>>>> unsupported on this file format
> >>>>> AEABI_RTABI double __aeabi_dadd(double a, double b)
> >>>>> COMPILER_RT_ALIAS(__adddf3);
> >>>>>                                                       ^
> >>>>> -------------------------------
> >>>>>
> >>>>>
> >>>>> On Wed, 7 Feb 2018 12:23:16 +0100, Hans Wennborg said:
> >>>>>
> >>>>>> I just ran into the same thing :-/
> >>>>>>
> >>>>>> On Fri, Jan 26, 2018 at 11:22 PM, Sean McBride via cfe-dev
> >>>>>> <cfe-dev at lists.llvm.org> wrote:
> >>>>>>> Hi all,
> >>>>>>>
> >>>>>>> I just tried updating my clang build on a few machines, and it
> built
> >>>>>> fine on 10.11, but on a macOS 10.10 with AppleClang 7.0.2.7000181 I
> get
> >>>>> this:
> >>>>>>>
> /Users/builder/llvm/llvm/projects/compiler-rt/lib/builtins/adddf3.c:
> >>>>>> 28:53: error: alias unsupported on this file format
> >>>>>>> AEABI_RTABI double __aeabi_dadd(double a, double b)
> >>>>>> COMPILER_RT_ALIAS(__adddf3);
> >>>>>>>                                                       ^
> >>>>>>>
> /Users/builder/llvm/llvm/projects/compiler-rt/lib/builtins/int_lib.h:
> >>>>>> 29:36: note: expanded from macro 'COMPILER_RT_ALIAS'
> >>>>>>> #define COMPILER_RT_ALIAS(aliasee) _Pragma("GCC error(\"alias
> >>>>>> unsupported on this file format\")")
> >>>>>>>                                      ^
> >>>>>>> <scratch space>:89:6: note: expanded from here
> >>>>>>>    GCC error("alias unsupported on this file format")
> >>>>>>>        ^
> >>>>>>>
> >>>>>>> Should this build?  Is 10.10 supported?
> >> --
> >> Employee of Qualcomm Innovation Center, Inc.
> >> Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a
> >> Linux Foundation Collaborative Project
> >>
> > Cheers,
> >
>
> --
> Employee of Qualcomm Innovation Center, Inc.
> Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux
> Foundation Collaborative Project
>
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