The RUN step that baked an OPUS_DISABLE_INTRINSICS patch into
cargo-xwin's override.cmake was inert from the start: cargo-xwin
rewrites that file from scratch on every \`cargo xwin build\` invocation
(src/compiler/clang_cl.rs line ~444 uses include_bytes! to overwrite
it), so anything baked at image build time gets wiped at runtime.
The libopus SSE4.1/SSSE3 compile failure is now fixed upstream at the
source level by the vendored audiopus_sys patch (see
vendor/audiopus_sys/opus/CMakeLists.txt and the MSVC_CL distinction
for clang-cl). Remove the dead RUN step and leave a breadcrumb
comment pointing at the real fix location.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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