(INCLUDE_DEFAULTS): Put in GPLUSPLUS_INCLUDE_DIR,

GCC_INCLUDE_DIR, LOCAL_INCLUDE_DIR, STANDARD_INCLUDE_DIR.
Don't define at all if cross-compiling.

From-SVN: r2555

gcc/config/m68k/next.h

@@ -20,8 +20,13 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 /* Use new NeXT include file search path.  */
 
+#ifndef CROSS_COMPILE /* In a cross compiler with NeXT as target, don't expect
+			 the host to use Next's directory scheme.  */
 #define INCLUDE_DEFAULTS				\
   {							\
+    { GPLUSPLUS_INCLUDE_DIR, 1},			\
+    { GCC_INCLUDE_DIR, 0},				\
+    { LOCAL_INCLUDE_DIR, 0},				\
     { "/NextDeveloper/Headers", 0},			\
     { "/NextDeveloper/Headers/ansi", 0},		\
     { "/NextDeveloper/Headers/bsd", 0},			\
@@ -29,8 +34,10 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
     { "/LocalDeveloper/Headers/ansi", 0},		\
     { "/LocalDeveloper/Headers/bsd", 0},		\
     { "/NextDeveloper/2.0CompatibleHeaders", 0},	\
+    { STANDARD_INCLUDE_DIR, 0},				\
     { 0, 0}						\
   }
+#endif /* CROSS_COMPILE */
 
 #define EXTRA_FORMAT_FUNCTIONS \
       "NXPrintf",	FALSE,	2,	FALSE,	\