diff --git a/stepmania/src/archutils/Unix/LinuxThreadHelpers.cpp b/stepmania/src/archutils/Unix/LinuxThreadHelpers.cpp
index 023335f0c2..b7f48e8fdd 100644
--- a/stepmania/src/archutils/Unix/LinuxThreadHelpers.cpp
+++ b/stepmania/src/archutils/Unix/LinuxThreadHelpers.cpp
@@ -7,6 +7,7 @@
 #include "Backtrace.h"
 #include "archutils/Unix/RunningUnderValgrind.h"
 
+#if defined(LINUX)
 #include <unistd.h>
 #include <stdlib.h>
 #include <fcntl.h>
@@ -238,6 +239,31 @@ bool GetThreadBacktraceContext( uint64_t ThreadID, BacktraceContext *ctx )
 }
 #endif
 
+#elif defined(BSD)
+#include <pthread.h>
+#include <signal.h>
+
+RString ThreadsVersion()
+{
+	return "(unknown)";
+}
+
+uint64_t GetCurrentThreadId()
+{
+	return uint64_t( pthread_self() );
+}
+
+int SuspendThread( uint64_t id )
+{
+	return pthread_kill( id, SIGSTOP );
+}
+
+int ResumeThread( uint64_t id )
+{
+	return pthread_kill( id, SIGCONT );
+}
+#endif
+
 /*
  * (c) 2004 Glenn Maynard
  * All rights reserved.
diff --git a/stepmania/src/archutils/Unix/SignalHandler.cpp b/stepmania/src/archutils/Unix/SignalHandler.cpp
index 1f9c28b2d0..6bd52ca55a 100644
--- a/stepmania/src/archutils/Unix/SignalHandler.cpp
+++ b/stepmania/src/archutils/Unix/SignalHandler.cpp
@@ -14,6 +14,8 @@
 
 #if defined(MACOSX)
 extern "C" int sigaltstack(const stack_t * __restrict, stack_t * __restrict);
+#endif
+#if !defined(MAP_ANONYMOUS) && defined(MAP_ANON)
 # define MAP_ANONYMOUS MAP_ANON
 #endif
 
diff --git a/stepmania/src/archutils/Unix/arch_setup.h b/stepmania/src/archutils/Unix/arch_setup.h
index 05e7362297..945bc5990c 100644
--- a/stepmania/src/archutils/Unix/arch_setup.h
+++ b/stepmania/src/archutils/Unix/arch_setup.h
@@ -5,6 +5,15 @@
 #include <stdint.h>
 #endif
 
+#ifdef BSD
+#include <sys/param.h>
+#undef ALIGN
+#undef MACHINE
+#if defined(__NetBSD_Version__) && __NetBSD_Version < 299000900
+#define lrintf(x) ((int)rint(x))
+#endif
+#endif
+
 #define HAVE_CRYPTOPP
 
 // XXX: Maybe we should make sure we're using GCC first?