From: mikael <mikael@FreeBSD.org>
Date: Tue, 21 Sep 2021 17:46:33 +0000 (+0200)
Subject: Detect FP16 on FreeBSD aarch64
X-Git-Tag: accepted/tizen/unified/20230127.161057~1^2~6^2~334^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f7b4b750d8930b5bb6696cea6d609dc70a0597db;p=platform%2Fupstream%2Fopencv.git

Detect FP16 on FreeBSD aarch64
---

diff --git a/modules/core/src/system.cpp b/modules/core/src/system.cpp
index d8b8f67..df9e8a0 100644
--- a/modules/core/src/system.cpp
+++ b/modules/core/src/system.cpp
@@ -533,7 +533,7 @@ struct HWFeatures
         }
     #endif // CV_CPUID_X86
 
-    #if defined __ANDROID__ || defined __linux__
+    #if defined __ANDROID__ || defined __linux__ || defined __FreeBSD__
     #ifdef __aarch64__
         have[CV_CPU_NEON] = true;
         have[CV_CPU_FP16] = true;
@@ -559,7 +559,7 @@ struct HWFeatures
         CV_LOG_INFO(NULL, "- FP16 instructions is NOT enabled via build flags");
         #endif
       #endif
-    #elif defined __arm__
+    #elif defined __arm__ && !defined __FreeBSD__
         int cpufile = open("/proc/self/auxv", O_RDONLY);
 
         if (cpufile >= 0)