Fixes for compiling with native Irix compilers.

Lib/Bucket/newbucket.hxx

@@ -39,7 +39,10 @@
 #endif
 
 FG_USING_STD(string);
+
+#if ! defined( FG_HAVE_NATIVE_SGI_COMPILERS )
 FG_USING_STD(ostream);
+#endif
 
 #include <Include/fg_constants.h>
 

Simulator/Airports/simple.hxx

@@ -36,6 +36,8 @@
 #include <Include/compiler.h>
 #ifdef FG_HAVE_STD_INCLUDES
 #  include <istream>
+#elif defined( FG_HAVE_NATIVE_SGI_COMPILERS )
+#  include <iostream.h>
 #else
 #  include <istream.h>
 #endif
@@ -45,7 +47,10 @@
 
 FG_USING_STD(string);
 FG_USING_STD(set);
+
+#if ! defined( FG_HAVE_NATIVE_SGI_COMPILERS )
 FG_USING_STD(istream);
+#endif
 
 
 class fgAIRPORT {

Simulator/FDM/flight.hxx

@@ -81,6 +81,8 @@
  */
 
 
+#include <math.h>
+
 #include <Time/timestamp.hxx>
 
 #ifndef __cplusplus                                                          

Simulator/Scenery/tilemgr.cxx

@@ -88,7 +88,7 @@ int fgTileMgrInit( void ) {
 
 
 // load a tile
-void fgTileMgrLoadTile( const FGBucket& p, int *index) {
+void fgTileMgrLoadTile( FGBucket& p, int *index) {
     fgTILECACHE *c;
 
     c = &global_tile_cache;