commit 31812fe7689fc317afed4e80c383d01cfcbc7087
author Mauricio G <up.mauricio.g@gmail.com> Mon Sep 04 00:39:34 2023 -0700
committer Copybara-Service <copybara-worker@google.com> Mon Sep 04 00:40:57 2023 -0700
tree f8cfdc33159e172b7e19117ba698e60ed0e19599
parent b02b5f74c25103d6627edabfac14ad8eb479eda1

Add blake3 NEON instructions on linux arm64

otherwise getting libunix_jni.so: undefined symbol: blake3_hash_many_neon

see https://github.com/bazelbuild/bazel/commit/d0de5e044c65fe7c5e414f860887be20087732da

Closes #19384.

PiperOrigin-RevId: 562479599
Change-Id: I8f0ca6b68486f5ea8db698f3f99526eb1c0de8a8

third_party/blake3/blake3.BUILD

diff --git a/third_party/blake3/blake3.BUILD b/third_party/blake3/blake3.BUILD
index f141a9c..d8e76ec 100644
--- a/third_party/blake3/blake3.BUILD
+++ b/third_party/blake3/blake3.BUILD
@@ -36,12 +36,18 @@
             "c/blake3_sse2_x86-64_unix.S",
             "c/blake3_sse41_x86-64_unix.S",
         ],
+        "@bazel_tools//src/conditions:linux_aarch64": [
+            "c/blake3_neon.c",
+        ],
         "@bazel_tools//src/conditions:windows_x64": [
             "c/blake3_avx2_x86-64_windows_msvc.asm",
             "c/blake3_avx512_x86-64_windows_msvc.asm",
             "c/blake3_sse2_x86-64_windows_msvc.asm",
             "c/blake3_sse41_x86-64_windows_msvc.asm",
         ],
+        "@bazel_tools//src/conditions:windows_arm64": [
+            "c/blake3_neon.c",
+        ],
         "@bazel_tools//src/conditions:darwin_arm64": [
             "c/blake3_neon.c",
         ],
@@ -57,9 +63,12 @@
             # lacking the headers to compile AVX512.
 	    "-DBLAKE3_NO_AVX512",
 	],
+        "@bazel_tools//src/conditions:linux_aarch64": [
+            "-DBLAKE3_USE_NEON=1",
+        ],
         "@bazel_tools//src/conditions:windows_x64": [],
         "@bazel_tools//src/conditions:windows_arm64": [
-            "-DBLAKE3_USE_NEON=0",
+            "-DBLAKE3_USE_NEON=1",
         ],
         "@bazel_tools//src/conditions:darwin_arm64": [
             "-DBLAKE3_USE_NEON=1",