re PR target/3746 (compilation of mips-tfile missing mips/a.out.h)

	PR target/3746
	* config.gcc (alpha*-dec-osf5.1*): Only build mips-tfile,
	mips-tdump native.
	* mips-tfile.c: Remove CROSS_DIRECTORY_STRUCTURE handling.
	* mips-tdump.c: Likewise.

From-SVN: r174128

gcc/ChangeLog

+2011-05-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	PR target/3746
+	* config.gcc (alpha*-dec-osf5.1*): Only build mips-tfile,
+	mips-tdump native.
+	* mips-tfile.c: Remove CROSS_DIRECTORY_STRUCTURE handling.
+	* mips-tdump.c: Likewise.
+
 2011-05-24  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR target/49128

gcc/config.gcc

@@ -748,7 +748,9 @@ alpha*-dec-osf5.1*)
 	then
 		tm_file="${tm_file} dbx.h"
 	fi
-	if test x$gas != xyes
+	# mips-tfile and mips-tdump are only used with the native assembler
+	# and require the Tru64 UNIX <a.out.h>, so only build native.
+	if test x$gas != xyes && test x${host} = x${target}
 	then
 		extra_passes="mips-tfile mips-tdump"
 	fi

gcc/mips-tdump.c

@@ -26,11 +26,7 @@ along with GCC; see the file COPYING3.  If not see
 #ifdef index
 #undef index
 #endif
-#ifndef CROSS_DIRECTORY_STRUCTURE
 #include <a.out.h>
-#else
-#include "mips/a.out.h"
-#endif /* CROSS_DIRECTORY_STRUCTURE */
 
 /* Include getopt.h for the sake of getopt_long.  */
 #include "getopt.h"

gcc/mips-tfile.c

-/* Update the symbol table (the .T file) in a MIPS object to
+/* Update the symbol table (the .T file) in a ECOFF object to
    contain debugging information specified by the GNU compiler
    in the form of comments (the mips assembler does not support
    assembly access to debug information).
@@ -633,12 +633,7 @@ extern void error (const char *format, ...) ATTRIBUTE_PRINTF_1;
 
 #undef index
 
-#ifndef CROSS_DIRECTORY_STRUCTURE
 #include <a.out.h>
-#else
-#include "mips/a.out.h"
-#endif /* CROSS_DIRECTORY_STRUCTURE */
-
 #include "gstab.h"
 
 #define IS_ASM_IDENT(ch) \