NetBSD support. Thanks to Christoph Lohmann.
diff --git a/include/geometry.h b/include/geometry.h
index 274d5b0..a5bcb9c 100644
--- a/include/geometry.h
+++ b/include/geometry.h
@@ -59,7 +59,7 @@
Quaternion qsub(Quaternion, Quaternion);
Quaternion qneg(Quaternion);
Quaternion qmul(Quaternion, Quaternion);
-Quaternion qdiv(Quaternion, Quaternion);
+Quaternion p9qdiv(Quaternion, Quaternion);
Quaternion qunit(Quaternion);
Quaternion qinv(Quaternion);
double qlen(Quaternion);
@@ -94,6 +94,11 @@
Point3 xformpointd(Point3, Space *, Space *);
Point3 xformplane(Point3, Space *, Space *);
#define radians(d) ((d)*.01745329251994329572)
+
+#ifndef NOPLAN9DEFINES
+#define qdiv p9qdiv /* for NetBSD */
+#endif
+
#if defined(__cplusplus)
}
#endif
