$OpenBSD$

Index: src/Common/archs.h.in
--- src/Common/archs.h.in.orig
+++ src/Common/archs.h.in
@@ -25,8 +25,8 @@
  * Luminance HDR for FreeBSD
  */
 
-#ifdef __FreeBSD__
-#define BASEDIR  "/usr/local/"
+#if defined(__FreeBSD__) || defined(__OpenBSD__)
+#define BASEDIR  "${LOCALBASE}"
 #else
 #define BASEDIR @BASEDIR@
 #endif
