--- gr-radar/src/lib/time_series.cc.orig	2006-08-05 10:09:36.000000000 +0930
+++ gr-radar/src/lib/time_series.cc	2006-08-05 10:10:14.000000000 +0930
@@ -39,7 +39,11 @@
   : d_itemsize(itemsize), d_filename(filename), d_fd(-1), 
     d_start(starting_offset), d_buffer(0)
 {
+#ifndef __NetBSD__
   if ((d_fd = open(d_filename.c_str(), O_RDONLY | O_LARGEFILE, 0660)) == -1){
+#else
+  if ((d_fd = open(d_filename.c_str(), O_RDONLY, 0660)) == -1){
+#endif
     perror(d_filename.c_str());
     throw std::string("open failed: ") + d_filename;
   }
--- gr-radar/src/lib/sim-airplane2.cc.orig	2006-08-05 10:30:01.000000000 +0930
+++ gr-radar/src/lib/sim-airplane2.cc	2006-08-05 10:36:33.000000000 +0930
@@ -39,6 +39,9 @@
 
 static const double C = 3e8;	// sped of light, m/s
 
+#ifdef __NetBSD__
+#define exp10(x) pow((double) 10.0, x)
+#endif
 
 // ------------------------------------------------------------------------
 
--- gr-radar/src/lib/sim-airplane.cc.orig	2006-08-05 10:10:34.000000000 +0930
+++ gr-radar/src/lib/sim-airplane.cc	2006-08-05 10:37:07.000000000 +0930
@@ -39,6 +39,9 @@
 
 static const double C = 3e8;	// sped of light, m/s
 
+#ifdef __NetBSD__
+#define exp10(x) pow((double) 10.0, x)
+#endif
 
 // ------------------------------------------------------------------------