On 15 Jan 2018, at 11:43, Luca Pizzamiglio <pizzamig_at_freebsd.org> wrote: > > I've already received a couple of messages from pkg-fallout about build > failure on head-i386-default [1] [2] both pointing to the same errors, > about missing intrinsic symbols related to __atomic_* > > The clang documentation about C11 atomic builtins [3] stats that __atomic_* > are GCC extension and Clang provides them. > > It seems to me that this specific GCC-compatible builtin are enabled on > amd64, but not on i386. > Is there a way to enable GCC compatible __atomic_ builtin also on i386? > Or should I provide patches to adopt _c11_atomic_* instead of __atomic_* > for every ports that need it ? There is some strangeness going on with an upstream bug fix [1], which has the unintended side effect of sometimes emitting libcalls to __atomic functions that we do not have on i386. I've commented on the upstream bug report, but I do not know an easy workaround at this point. -Dimitry [1] https://bugs.llvm.org/show_bug.cgi?id=34347
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