arm_cpu_runtime_detection_code_on_openbsd.patch

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# HG changeset patch

# User Chun-Min Chang <chun.m.chang@gmail.com>

Bug 1888772 - Allow ARM CPU runtime detection code to build on OpenBSD

diff --git a/vpx_ports/aarch64_cpudetect.c b/vpx_ports/aarch64_cpudetect.c

--- a/vpx_ports/aarch64_cpudetect.c

+++ b/vpx_ports/aarch64_cpudetect.c

@@ -11,30 +11,30 @@

 #include "./vpx_config.h"

 #include "vpx_ports/arm.h"

 #include "vpx_ports/arm_cpudetect.h"

 #if defined(__APPLE__)

 #include <sys/sysctl.h>

 #endif

-#if !CONFIG_RUNTIME_CPU_DETECT

+#if !CONFIG_RUNTIME_CPU_DETECT || defined(__OpenBSD__)

 static int arm_get_cpu_caps(void) {

   // This function should actually be a no-op. There is no way to adjust any of

   // these because the RTCD tables do not exist: the functions are called

   // statically.

   int flags = 0;

 #if HAVE_NEON

   flags |= HAS_NEON;

 #endif  // HAVE_NEON

   return flags;

-#elif defined(__APPLE__)  // end !CONFIG_RUNTIME_CPU_DETECT

+#elif defined(__APPLE__)  // end !CONFIG_RUNTIME_CPU_DETECT || defined(__OpenBSD__)

 // sysctlbyname() parameter documentation for instruction set characteristics:

 // https://developer.apple.com/documentation/kernel/1387446-sysctlbyname/determining_instruction_set_characteristics

 static INLINE int64_t have_feature(const char *feature) {

   int64_t feature_present = 0;

   size_t size = sizeof(feature_present);

   if (sysctlbyname(feature, &feature_present, &size, NULL, 0) != 0) {

     return 0;