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Add sse4.1 flag when using clang-cl on MSVC targets #347

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DoumanAsh
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Without flag specified you shall get errors from clang about sse4.1 feature missing:

 error: '__builtin_ia32_pblendw128' needs target feature sse4.1

@kasperisager
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For reference, we're using this patch in https://github.com/holepunchto/bare-ffmpeg which is compiled using ClangCL on Windows.

@jmvalin
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jmvalin commented Aug 15, 2025

merged

@jmvalin jmvalin closed this Aug 15, 2025
@DoumanAsh DoumanAsh deleted the correct_sse41_flag_for_clang_cl branch August 16, 2025 02:56
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3 participants