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From: Michael Froman <mfroman@mozilla.com>
Date: Thu, 11 Sep 2025 14:17:00 -0500
Subject: Bug 1988042 - add BSD support to new version of libwebrtc's
cpu_info.cc r?ng!
Mercurial Revision: https://hg.mozilla.org/mozilla-central/rev/e3b37acb8816aefb9134a68cafad8c7d5e145179
---
rtc_base/cpu_info.cc | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/rtc_base/cpu_info.cc b/rtc_base/cpu_info.cc
index 0ce48a02f1..f0bff56911 100644
--- a/rtc_base/cpu_info.cc
+++ b/rtc_base/cpu_info.cc
@@ -29,14 +29,14 @@
#include <unistd.h>
#elif defined(WEBRTC_FUCHSIA)
#include <zircon/syscalls.h>
-#elif defined(WEBRTC_LINUX)
+#elif defined(WEBRTC_LINUX) || defined(WEBRTC_BSD)
#include <unistd.h>
#endif // WEBRTC_LINUX
#if defined(WEBRTC_ARCH_X86_FAMILY) && defined(_MSC_VER)
#include <intrin.h>
#endif
-#if defined(WEBRTC_ARCH_ARM_FAMILY) && defined(WEBRTC_LINUX)
+#if defined(WEBRTC_ARCH_ARM_FAMILY) && (defined(WEBRTC_LINUX) || defined(WEBRTC_BSD))
#include <asm/hwcap.h>
#include <sys/auxv.h>
#endif
@@ -176,6 +176,9 @@ bool Supports(ISA instruction_set_architecture) {
if (instruction_set_architecture == ISA::kNeon) {
#if defined(WEBRTC_ANDROID)
return 0 != (android_getCpuFeatures() & ANDROID_CPU_ARM_FEATURE_NEON);
+#elif defined(WEBRTC_BSD)
+ // OpenBSD does not have getauxval() and does not have /proc reading
+ return false;
#elif defined(WEBRTC_LINUX)
uint64_t hwcap = 0;
hwcap = getauxval(AT_HWCAP);
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