23 years ago · 6364383f75
--- a/panda/src/testbed/Sources.pp
+++ b/panda/src/testbed/Sources.pp
@@ -31,5 +31,6 @@
 
				 
			
 
				   #define SOURCES \
			
 
				     pgrid.cxx
			
 
				+  #define UNIX_SYS_LIBS m
			
 
				 //#end test_bin_target
			
 
				 #end bin_target