From dc3681e5ed15515c107f990f83c56735938fc071 Mon Sep 17 00:00:00 2001
From: pkubaj <pkubaj@users.noreply.github.com>
Date: Sun, 6 Dec 2020 19:48:11 +0000
Subject: Implement CPU feature checks for FreeBSD/powerpc64

Fixes build on powerpc64 and powerpc64le.

Closes: #1710
---
 mysys/crc32/crc32c.cc | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/mysys/crc32/crc32c.cc b/mysys/crc32/crc32c.cc
index c0f8c518691..f11a80fb5d8 100644
--- a/mysys/crc32/crc32c.cc
+++ b/mysys/crc32/crc32c.cc
@@ -476,6 +476,21 @@ static int arch_ppc_probe(void) {
 
   return arch_ppc_crc32;
 }
+#elif __FreeBSD_version >= 1200000
+#include <machine/cpu.h>
+#include <sys/auxv.h>
+#include <sys/elf_common.h>
+static int arch_ppc_probe(void) {
+  unsigned long cpufeatures;
+  arch_ppc_crc32 = 0;
+
+#if defined(__powerpc64__)
+  elf_aux_info(AT_HWCAP2, &cpufeatures, sizeof(cpufeatures));
+  if (cpufeatures & PPC_FEATURE2_HAS_VEC_CRYPTO) arch_ppc_crc32 = 1;
+#endif  /* __powerpc64__ */
+
+  return arch_ppc_crc32;
+}
 #endif  // __linux__
 
 static bool isAltiVec() {
-- 
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