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[Support/BLAKE3] quick fix for Cygwin build (#148635)

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BLAKE3 1.8.2 ( imported in d2ad63a193216d008c8161879a59c5f42e0125cc )
fails to build for the Cygwin target.

see: https://github.com/BLAKE3-team/BLAKE3/issues/494

As a temporary workaround, add `&& !defined(__CYGWIN__)` to BLAKE3
locally.

resolves https://github.com/llvm/llvm-project/issues/148365

(cherry picked from commit 8de61eb01c9752f0488ed8b52d01fe3d0873ff6c)
This commit is contained in:
Tomohiro Kashiwada 2025-07-18 06:16:08 +09:00 committed by Tobias Hieta
parent f1846e747d
commit e36a7daae2
2 changed files with 2 additions and 2 deletions
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2
llvm/lib/Support/BLAKE3/blake3_dispatch.c
View File

@ -236,7 +236,7 @@ void blake3_xof_many(const uint32_t cv[8],
#if defined(IS_X86)
const enum cpu_feature features = get_cpu_features();
MAYBE_UNUSED(features);
#if !defined(_WIN32) && !defined(BLAKE3_NO_AVX512)
#if !defined(_WIN32) && !defined(__CYGWIN__) && !defined(BLAKE3_NO_AVX512)
if (features & AVX512VL) {
blake3_xof_many_avx512(cv, block, block_len, counter, flags, out, outblocks);
return;

2
llvm/lib/Support/BLAKE3/blake3_impl.h
View File

@ -324,7 +324,7 @@ void blake3_hash_many_avx512(const uint8_t *const *inputs, size_t num_inputs,
uint8_t flags, uint8_t flags_start,
uint8_t flags_end, uint8_t *out);
#if !defined(_WIN32)
#if !defined(_WIN32) && !defined(__CYGWIN__)
LLVM_LIBRARY_VISIBILITY
void blake3_xof_many_avx512(const uint32_t cv[8],
const uint8_t block[BLAKE3_BLOCK_LEN],