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Date:      Sun, 29 Oct 2017 19:34:14 +0000
From:      bugzilla-noreply@freebsd.org
To:        gecko@FreeBSD.org
Subject:   [Bug 223300] www/firefox (firefox-56.0.2_3,1) with rust-1.21.0 on amd64: error[E0432]: unresolved import `x86::sse2`
Message-ID:  <bug-223300-21738-Dlx0GFdxnu@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-223300-21738@https.bugs.freebsd.org/bugzilla/>
References:  <bug-223300-21738@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D223300

--- Comment #13 from Jan Beich <jbeich@FreeBSD.org> ---
(In reply to vvd from comment #12)
> OPTIONS_FILE_SET+=3DPORT_LLVM

Can you try without? Rust uses patched LLVM 4.0 by default which maybe requ=
ired
for cfg_target_feature to detect SSE2.

https://github.com/rust-lang/rust/pull/31709
https://github.com/rust-lang/rust/blob/690ff045949a/src/rustllvm/PassWrappe=
r.cpp#L200
https://github.com/rust-lang/rust/blob/690ff045949a/src/bootstrap/compile.r=
s#L543
https://github.com/rust-lang/rust/blob/690ff045949a/src/bootstrap/lib.rs#L5=
05

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