Why doesn't llvm::call_once() just use std::call_once on Windows? On Wed, Feb 8, 2017 at 12:40 PM Hans Wennborg <h...@chromium.org> wrote:
> The Win64 lldb build seems broken (at 294367). > > I ran into this when trying to build the weekly snapshot > (http://www.llvm.org/builds/) which includes LLDB these days. > > I suspect this might be related to Kamil's changes a few days ago. I > see Pavel committed something to fix Darwin afterwards. > > Zach, do you know what's going on here? Do we have any buildbot > coverage for this? > > Creating library lib\liblldb.lib and object lib\liblldb.exp > lldbHost.lib(HostInfoWindows.cpp.obj) : error LNK2019: unresolved external > symbo > l "void __cdecl llvm::sys::_mm_mfence(void)" (?_mm_mfence@sys@llvm@@YAXXZ) > refer > enced in function "void __cdecl llvm::call_once<class > <lambda_e212a11f7f891e804e > 713e15728a6adc> >(struct llvm::once_flag &,class > <lambda_e212a11f7f891e804e713e1 > 5728a6adc> &&)" (??$call_once@V > <lambda_e212a11f7f891e804e713e15728a6adc>@@$$V@ll > vm@@YAXAEAUonce_flag@0 > @$$QEAV<lambda_e212a11f7f891e804e713e15728a6adc>@@@Z) > bin\liblldb.dll : fatal error LNK1120: 1 unresolved externals > LINK failed. with 1120 >
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