xm-mvs.h, [...]: Delete references to the USG macro.

	* config/i370/xm-mvs.h, config/i370/xm-oe.h,
	config/i386/xm-beos.h, config/i386/xm-mingw32.h,
	config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
	config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
	config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
	config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
	config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
	to the USG macro.

	* config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
	config/i370/xm-i370.h, config/i386/xm-dgux.h,
	config/i386/xm-sun.h, config/i386/xm-sysv3.h,
	config/m68k/xm-tower.h, config/m68k/xm-aux.h,
	config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
	config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
	config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
	config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
	config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
	config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
	Delete unused and/or empty files.

	* config.gcc: Define USG in xm_defines as appropriate.  Define
	POSIX in lieu of xm-svr4.h.  Delete all references to the SVR3
	macro.  Remove deleted xm-* files from $xm_files variable.

From-SVN: r40310

gcc/ChangeLog

+2001-03-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* config/i370/xm-mvs.h, config/i370/xm-oe.h,
+	config/i386/xm-beos.h, config/i386/xm-mingw32.h,
+	config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
+	config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
+	config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
+	config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
+	config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
+	to the USG macro.
+
+	* config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
+	config/i370/xm-i370.h, config/i386/xm-dgux.h,
+	config/i386/xm-sun.h, config/i386/xm-sysv3.h,
+	config/m68k/xm-tower.h, config/m68k/xm-aux.h,
+	config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
+	config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
+	config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
+	config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
+	config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
+	config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
+	Delete unused and/or empty files.
+
+	* config.gcc: Define USG in xm_defines as appropriate.  Define
+	POSIX in lieu of xm-svr4.h.  Delete all references to the SVR3
+	macro.  Remove deleted xm-* files from $xm_files variable.
+
 2001-03-07  Tom Tromey  <tromey@redhat.com>
 
 	* configure: Rebuilt.

gcc/config/a29k/xm-unix.h

-/* Configuration for GNU C-compiler for AMD Am29000 processor. 
-   Copyright (C) 1987, 1988, 1993, 2001 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-/* This describes the machine the compiler is hosted on.  */
-#define HOST_WORDS_BIG_ENDIAN
-
-/* Ultra is V7, which is closest to USG.  */
-#define USG

gcc/config/clipper/xm-clix.h

-/* Config file for Clipper running Clix, system V. 3.2 clone  */
-
-#define USG

gcc/config/i370/xm-i370.h

-/* Configuration for GNU C-compiler for System/370.
-   Copyright (C) 1989, 1993, 1997, 2001 Free Software Foundation, Inc.
-   Contributed by Jan Stein (jan@cd.chalmers.se).
-   Modified for MVS C/370 by Dave Pitts (dpitts@nyx.cs.du.edu)
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-/* This describes the machine the compiler is hosted on.  */
-
-#define HOST_FLOAT_FORMAT	IBM_FLOAT_FORMAT
-#define HOST_EBCDIC		1
-
-#define USG
-
-/* Arguments to use with `exit'.  */
-#define FATAL_EXIT_CODE		12

gcc/config/i370/xm-mvs.h

@@ -25,7 +25,5 @@ Boston, MA 02111-1307, USA.  */
 #define HOST_FLOAT_FORMAT	IBM_FLOAT_FORMAT
 #define HOST_EBCDIC		1
 
-#define USG
-
 /* Arguments to use with `exit'.  */
 #define FATAL_EXIT_CODE		12

gcc/config/i370/xm-oe.h

@@ -29,7 +29,5 @@ Boston, MA 02111-1307, USA.  */
 
 #define ONLY_INT_FIELDS		1
 
-#define USG
-
 /* Arguments to use with `exit'.  */
 #define FATAL_EXIT_CODE		12

gcc/config/i386/xm-beos.h

@@ -34,10 +34,6 @@ Boston, MA 02111-1307, USA.  */
 #undef bcopy
 #define bcopy(s,d,n)	memmove((d),(s),(n))
 
-/* BeOS is closer to USG than BSD */
-
-#define USG
-
 /* Define various things that the BeOS host has. */
 
 #ifndef HAVE_VPRINTF

gcc/config/i386/xm-dgux.h

-/* Configuration for GCC for Intel i386 running DG/ux */
-
-/* looks just like sysv4 for now */
-
-#include "i386/xm-i386.h"
-#include "xm-svr4.h"

gcc/config/i386/xm-mingw32.h

@@ -19,10 +19,6 @@ along with GNU CC; see the file COPYING.  If not, write to
 the Free Software Foundation, 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA. */
 
-#ifndef USG
-#define USG 1
-#endif
-
 #ifndef ONLY_INT_FIELD
 #define ONLY_INT_FIELDS 1
 #endif

gcc/config/i386/xm-sun.h

-/* Configuration for GNU C-compiler for Intel 80386 running SunOS 4.0.
-   Copyright (C) 1988, 1997 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-#define USG
-
-#include "i386/xm-i386.h"

gcc/config/i386/xm-sysv3.h

-/* Configuration for GCC for Intel i386 running System V Release 3.  */
-
-#include "i386/xm-i386.h"
-#include "xm-svr3.h"

gcc/config/m68k/xm-altos3068.h

-#define USG
-
-#include "m68k/xm-m68k.h"

gcc/config/m68k/xm-amix.h

-/* Definitions of host machine for GNU compiler.
-   Commodore Amiga A3000UX version.
-   Copyright (C) 1991, 1997, 2001 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-#include "m68k/xm-m68kv.h"	/* Use the System V flavor of m68k host */

gcc/config/m68k/xm-aux.h

-#ifndef USG
-#define USG
-#endif
-
-#include "m68k/xm-m68k.h"

gcc/config/m68k/xm-hp320.h

-/* USG is needed to prevent trying to use getrusage and getwd.  */
-#define USG
-
-#include "m68k/xm-m68k.h"

gcc/config/m68k/xm-m68kv.h

-/* Host environment for 68000's running System V.  */
-
-#include "m68k/xm-m68k.h"
-
-#define USG

gcc/config/m68k/xm-mot3300.h

-/* Configuration for GNU C-compiler for Motorola 68000 family.
-   SysV68 Motorola 3300 Delta Series
-   Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2001
-   Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-#define USG 1

gcc/config/m68k/xm-tower.h

-#include "m68k/xm-m68k.h"
-#include "xm-svr3.h"
-
-#define HAVE_VPRINTF

gcc/config/m88k/xm-m88k.h

@@ -23,14 +23,6 @@ Boston, MA 02111-1307, USA.  */
 /* This describes the machine the compiler is hosted on.  */
 #define HOST_WORDS_BIG_ENDIAN
 
-/* The 88open BCS (and ABI) environment doesn't support BSD features
-   (vfork, getrusage), so use USG.  The Omron Luna/88k is BSD though.  */
-#ifndef luna88k
-#ifndef USG
-#define USG
-#endif
-#endif
-
 /* For DG/UX, the best size is different.  */
 #ifdef __DGUX__
 #define OBSTACK_CHUNK_SIZE (8192-16)

gcc/config/m88k/xm-openbsd.h

-/* Configuration file for an host running m88k OpenBSD.
-   Copyright (C) 2000 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-/* Remove base m88k idiosyncrasies. */
-#undef USG

gcc/config/mips/xm-iris3.h

-#include "mips/xm-mips.h"
-
-#define USG

gcc/config/mips/xm-iris4.h

-#include "mips/xm-mips.h"
-
-#define USG

gcc/config/mips/xm-iris6.h

-#include "mips/xm-mips.h"
-
-#define USG
-
 #undef HOST_BITS_PER_LONG
 #define HOST_BITS_PER_LONG	_MIPS_SZLONG
-
-#ifndef inhibit_libc
-#include "string.h"
-#endif

gcc/config/mips/xm-nws3250v4.h

-#define USG
-
-#include "xm-mips.h"

gcc/config/mips/xm-openbsd.h

@@ -20,6 +20,3 @@ Boston, MA 02111-1307, USA.  */
 
 #include <xm-openbsd.h>
 #include <mips/xm-mips.h>
-
-/* We're NOT systemV.  */
-#undef USG

gcc/config/mips/xm-sysv.h

-/* Configuration for GNU C-compiler for UMIPS operating system
-   Copyright (C) 1989, 1990, 1991, 1997 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-/*
- *  Notes for compiling gcc on umips (v3.0)
- *	- change the -g in the CFLAGS to a -g3 or take it out all together.
- *	- do not define DBX_DEBUGGING_INFO in tm.h, it doesn't exist (unless
- *	you get one from a bsd system)
- */
-
-#define USG
-
-#include "mips/xm-mips.h"

gcc/config/pa/xm-pa64hpux.h

@@ -18,9 +18,6 @@ along with GNU CC; see the file COPYING.  If not, write to
 the Free Software Foundation, 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.  */
 
-/* HP-UX is a flavor of System V */
-#define USG
-
 /* This describes the machine the compiler is hosted on.  */
 #define HOST_BITS_PER_LONG 64
 

gcc/config/pa/xm-pahpux.h

@@ -19,9 +19,6 @@ along with GNU CC; see the file COPYING.  If not, write to
 the Free Software Foundation, 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.  */
 
-/* HP-UX is a flavor of System V */
-#define USG
-
 /* This describes the machine the compiler is hosted on.  */
 /* Doubles are stored in memory with the high order word first.  This
    matters when cross-compiling.  */

gcc/config/rs6000/xm-beos.h

@@ -32,10 +32,6 @@ Boston, MA 02111-1307, USA.  */
 #undef bcopy
 #define bcopy(s,d,n)	memmove((d),(s),(n))
 
-/* BeOS is closer to USG than BSD */
-
-#define USG
-
 /* Define various things that the BeOS host has. */
 
 #ifndef HAVE_VPRINTF

gcc/config/rs6000/xm-darwin.h

-/* Undo the USG definition in xm-rs6000.h, Darwin is a BSD flavor.  */
-
-#undef USG
-
 /* Override the usual setting, since Apple's GCC has lame bugs and
    can't handle the initializers.  Someday the bugs will be fixed and
    we can get rid of this silliness.  */

gcc/config/rs6000/xm-mach.h

-#undef USG
 #undef COLLECT_EXPORT_LIST

gcc/config/rs6000/xm-rs6000.h

@@ -27,9 +27,6 @@ Boston, MA 02111-1307, USA.  */
 #define	ONLY_INT_FIELDS
 #endif
 
-/* AIX is a flavor of System V */
-#define	USG
-
 /* Big buffers improve performance.  */
 #define IO_BUFFER_SIZE (0x8000 - 4096)
 

gcc/config/sparc/xm-pbd.h

-/* Host environment for the tti "Unicom" PBB 68020 boards */
-
-#include "sparc/xm-sparc.h"
-
-#define USG

gcc/config/vax/xm-vaxv.h

-/* Config file for Vax running system V.  */
-
-#define USG

gcc/config/xm-interix.h

@@ -21,10 +21,6 @@ along with GNU CC; see the file COPYING.  If not, write to
 the Free Software Foundation, 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.  */
 
-#ifndef USG
-#define USG 1
-#endif
-
 #ifndef ONLY_INT_FIELDS
 #ifndef __GNUC__
 #define ONLY_INT_FIELDS 1

gcc/config/xm-svr3.h

-/* Configuration for GNU C-compiler for hosts running System V Release 3
-   Copyright (C) 1991, 1993, 1996, 2001 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-#define USG

gcc/config/xm-svr4.h

-/* Configuration for GNU C-compiler for hosts running System V Release 4
-   Copyright (C) 1988, 1997 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-#define USG
-#define POSIX