Let exceptions fall through to main, and use cerr to report them (in

case logging is disabled).  This way, when people specify a
non-existant aircraft or have an error in a custom XML file, they'll
get an error report, at least.

src/Main/fg_init.cxx

@@ -231,14 +231,7 @@ bool fgInitConfig ( int argc, char **argv ) {
     SGPath props_path(globals->get_fg_root());
     props_path.append("preferences.xml");
     SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
-    try {
+    readProperties(props_path.str(), globals->get_props());
-      readProperties(props_path.str(), globals->get_props());
-    } catch (const sg_exception &e) {
-      string message = "Error reading global preferences: ";
-      message += e.getFormattedMessage();
-      SG_LOG(SG_INPUT, SG_ALERT, message);
-      exit(2);
-    }
     SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
 
     // Read the default aircraft config file.

src/Main/main.cxx

@@ -31,6 +31,11 @@
 #endif
 
 #include <simgear/compiler.h>
+
+#include <iostream>
+SG_USING_STD(cerr);
+SG_USING_STD(endl);
+
 #include <simgear/misc/exception.hxx>
 #include <simgear/ephemeris/ephemeris.hxx>
 #include <simgear/route/route.hxx>
@@ -1598,9 +1603,11 @@ int main ( int argc, char **argv ) {
     try {
         mainLoop(argc, argv);
     } catch (sg_throwable &t) {
-        SG_LOG(SG_GENERAL, SG_ALERT,
+				// We must use cerr rather than
-               "Fatal error: " << t.getFormattedMessage()
+				// logging, since logging may be
-               << "\n (received from " << t.getOrigin() << ')');
+				// disabled.
+        cerr << "Fatal error: " << t.getFormattedMessage()
+	     << "\n (received from " << t.getOrigin() << ')' << endl;
         exit(1);
     }
 

src/Main/options.cxx

@@ -942,14 +942,7 @@ parse_option (const string& arg)
         apath.concat( "-set.xml" );
 	SG_LOG(SG_INPUT, SG_INFO, "Reading aircraft: " << arg.substr(11)
 	    << " from " << apath.str());
-        try {
+	readProperties( apath.str(), globals->get_props() );
-            readProperties( apath.str(), globals->get_props() );
-        } catch (const sg_exception &e) {
-            string message = "Error loading aircraft file: ";
-            message += e.getFormattedMessage();
-            SG_LOG(SG_INPUT, SG_ALERT, message);
-            exit(2);
-        }
     } else {
 	SG_LOG( SG_GENERAL, SG_ALERT, "Unknown option '" << arg << "'" );
 	return FG_OPTIONS_ERROR;