In file included from tools/tracer/dumps/dump_mfxstructures.cpp:32:
In file included from tools/tracer/dumps/../loggers/log.h:24:
In file included from tools/tracer/dumps/../loggers/log_console.h:23:
In file included from tools/tracer/dumps/../loggers/ilog.h:25:
tools/tracer/dumps/../loggers/thread_info.h:38:34: error: use of undeclared identifier 'SYS_gettid'
            return (long)syscall(SYS_gettid);
                                 ^

--- tools/tracer/loggers/thread_info.h.orig	2020-07-02 17:50:48 UTC
+++ tools/tracer/loggers/thread_info.h
@@ -24,8 +24,18 @@
 #include <windows.h>
 #else
 #include <unistd.h>
+#if defined(__linux__)
 #include <sys/syscall.h>
+#elif defined(__DragonFly__) || defined(__FreeBSD__)
+#include <pthread_np.h>
+#elif defined(__NetBSD__)
+#include <lwp.h>
+#elif defined(__sun)
+#include <thread.h>
+#else
+#include <stdint.h>
 #endif
+#endif
 
 class ThreadInfo
 {
@@ -34,8 +44,18 @@ class ThreadInfo (public)
     {
         #if defined(_WIN32) || defined(_WIN64)
             return (long)GetCurrentThreadId();
-        #else
+        #elif defined(__linux__)
             return (long)syscall(SYS_gettid);
+        #elif defined(__DragonFly__) || defined(__FreeBSD__)
+            return (long)pthread_getthreadid_np();
+        #elif defined(__NetBSD__)
+            return (long)_lwp_self();
+        #elif defined(__OpenBSD__)
+            return (long)getthrid();
+        #elif defined(__sun)
+            return (long)thr_self()();
+        #else
+            return (long)(uintptr_t)pthread_self();
         #endif
     };