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--- util/crc32c_arm64.cc.orig 2021-10-10 13:50:13 UTC
+++ util/crc32c_arm64.cc
@@ -5,9 +5,11 @@
#include "util/crc32c_arm64.h"
-#if defined(__linux__) && defined(HAVE_ARM64_CRC)
+#if (defined(__FreeBSD__) || defined(__linux__)) && defined(HAVE_ARM64_CRC)
+#if !defined(__FreeBSD__)
#include <asm/hwcap.h>
+#endif
#ifdef ROCKSDB_AUXV_GETAUXVAL_PRESENT
#include <sys/auxv.h>
#endif
@@ -37,7 +39,14 @@
uint32_t crc32c_runtime_check(void) {
#ifdef ROCKSDB_AUXV_GETAUXVAL_PRESENT
+#if defined(__FreeBSD__)
+ uint64_t auxv;
+ int result = elf_aux_info(AT_HWCAP, &auxv, sizeof auxv);
+ if (result != 0)
+ return 0;
+#else
uint64_t auxv = getauxval(AT_HWCAP);
+#endif
return (auxv & HWCAP_CRC32) != 0;
#else
return 0;
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