--- cumulus/gpscon.cpp.old	2008-11-18 23:39:12.000000000 +0000
+++ cumulus/gpscon.cpp	2008-11-18 23:43:32.000000000 +0000
@@ -416,7 +416,7 @@
       
       if( maxOpenFds == -1 ) // call failed
 	{
-	  maxOpenFds = OPEN_MAX; // normal default from limits.h
+	  maxOpenFds = sysconf(_SC_OPEN_MAX);
 	}
       else
 	{