configure.in: Kill tm.h.

	* configure.in: Kill tm.h.  Include the files in the $tm_file
	list in all three of config.h, hconfig.h, tconfig.h, after the
	relevant set of xm_files.  Put TARGET_CPU_DEFAULT in all
	three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
	* configure: Regenerate.
	* Makefile.in (clean): Don't delete tm.h.

	* system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
	defined, set them from EXIT_SUCCESS and EXIT_FAILURE.  If
	those are not defined, set SEC and FEC to 0 and 1.
	* gcc.texi: Update to match.

	* crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
	* config/fp-bit.c, config/m68k/aux-crt2.asm,
	config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
	Include tconfig.h, not tm.h.

	* config/xm-lynx.h, config/xm-std32.h,
	config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
	config/alpha/xm-alpha.h, config/arc/xm-arc.h,
	config/avr/xm-avr.h, config/c4x/xm-c4x.h,
	config/clipper/xm-clix.h, config/convex/xm-convex.h,
	config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
	config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
	config/h8300/xm-h8300.h, config/i370/xm-linux.h,
	config/i386/xm-i386.h, config/i860/xm-i860.h,
	config/i960/xm-i960.h, config/ia64/xm-ia64.h,
	config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
	config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
	config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
	config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
	config/pa/xm-linux.h, config/pa/xm-pa.h,
	config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
	config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
	config/pj/xm-pj.h, config/romp/xm-romp.h,
	config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
	config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
	config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
	config/v850/xm-v850.h, config/vax/xm-vax.h,
	config/we32k/xm-we32k.h:
	Don't include tm.h.
	Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.

	* config/i370/xm-i370.h, config/i370/xm-mvs.h,
	config/i370/xm-oe.h: Don't include tm.h.  Don't define
	SUCCESS_EXIT_CODE.
	* config/vax/xm-vms.h: Don't include tm.h.

	* config/xm-lynx.h, config/avr/xm-avr.h,
	config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
	Delete; made empty by above changes.
	* config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
	config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
	Don't include config/xm-lynx.h or tm.h.

	* config/xm-gnu.h: Don't include fcntl.h.
	* config/sparc/xm-lynx.h: Don't include sys/types.h and
	sys/wait.h.
	* config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.

From-SVN: r40199

61 files changed, 5 insertions, 536 deletions

diff --git a/gcc/config/a29k/xm-a29k.h b/gcc/config/a29k/xm-a29k.h
index 63b9acc..4b728e0 100644
--- a/gcc/config/a29k/xm-a29k.h
+++ b/gcc/config/a29k/xm-a29k.h
@@ -26,11 +26,3 @@ Boston, MA 02111-1307, USA.  */
 #define HOST_BITS_PER_LONGLONG 64
 
 #define HOST_WORDS_BIG_ENDIAN
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
diff --git a/gcc/config/a29k/xm-unix.h b/gcc/config/a29k/xm-unix.h
index 4dd6c32..c964e1b 100644
--- a/gcc/config/a29k/xm-unix.h
+++ b/gcc/config/a29k/xm-unix.h
@@ -27,13 +27,5 @@ Boston, MA 02111-1307, USA.  */
 
 #define HOST_WORDS_BIG_ENDIAN
 
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
 /* Ultra is V7, which is closest to USG.  */
 #define USG
diff --git a/gcc/config/alpha/xm-alpha.h b/gcc/config/alpha/xm-alpha.h
index 25a9d0f..f68b4ed 100644
--- a/gcc/config/alpha/xm-alpha.h
+++ b/gcc/config/alpha/xm-alpha.h
@@ -27,14 +27,6 @@ Boston, MA 02111-1307, USA.  */
 #define	HOST_BITS_PER_LONG	64
 #define HOST_BITS_PER_LONGLONG  64
 
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define	SUCCESS_EXIT_CODE	0
-#define	FATAL_EXIT_CODE		33
-
 /* If compiled with GNU C, use the builtin alloca.  */
 #ifndef alloca
 #if defined(__GNUC__) && !defined(USE_C_ALLOCA)
diff --git a/gcc/config/arc/xm-arc.h b/gcc/config/arc/xm-arc.h
index f0fadba..1742ed2 100644
--- a/gcc/config/arc/xm-arc.h
+++ b/gcc/config/arc/xm-arc.h
@@ -29,14 +29,6 @@ Boston, MA 02111-1307, USA.  */
    matters when cross-compiling.  */
 #define HOST_WORDS_BIG_ENDIAN 1
 
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
 /* If compiled with Sun CC, the use of alloca requires this #include.  */
 #ifndef __GNUC__
 #include "alloca.h"
diff --git a/gcc/config/arm/xm-arm.h b/gcc/config/arm/xm-arm.h
index 2a16862..efb1ecf 100644
--- a/gcc/config/arm/xm-arm.h
+++ b/gcc/config/arm/xm-arm.h
@@ -41,18 +41,8 @@ Boston, MA 02111-1307, USA.  */
 #define USE_C_ALLOCA
 #endif
 
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.  */
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
 /* If we have defined POSIX, but are compiling in the BSD environment, then
    we need to define getcwd in terms of getwd.  */
 #if defined (POSIX) && defined (_BSD_C)
 #define HAVE_GETWD 1
 #endif
-
-/* EOF xm-arm.h */
diff --git a/gcc/config/avr/xm-avr.h b/gcc/config/avr/xm-avr.h
deleted file mode 100644
index af51cd3..0000000
--- a/gcc/config/avr/xm-avr.h
+++ /dev/null
@@ -1 +0,0 @@
-#include "tm.h"
diff --git a/gcc/config/c4x/xm-c4x.h b/gcc/config/c4x/xm-c4x.h
index 4910324..5f75da9 100644
--- a/gcc/config/c4x/xm-c4x.h
+++ b/gcc/config/c4x/xm-c4x.h
@@ -6,11 +6,3 @@
 #define HOST_BITS_PER_LONGLONG 64
 
 #define HOST_WORDS_BIG_ENDIAN
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
diff --git a/gcc/config/clipper/xm-clix.h b/gcc/config/clipper/xm-clix.h
index adb8411..4b4a3a0 100644
--- a/gcc/config/clipper/xm-clix.h
+++ b/gcc/config/clipper/xm-clix.h
@@ -1,10 +1,5 @@
 /* Config file for Clipper running Clix, system V. 3.2 clone  */
 
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-
-#include "tm.h"
-
 /* This describes the machine the compiler is hosted on.  */
 #define HOST_BITS_PER_CHAR 8
 #define HOST_BITS_PER_SHORT 16
@@ -12,11 +7,4 @@
 #define HOST_BITS_PER_LONG 32
 #define HOST_BITS_PER_LONGLONG 64
 
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
-/* isinf isn't there, but finite is. */
-#define isinf(x) (!finite(x))
-
 #define USG
diff --git a/gcc/config/convex/xm-convex.h b/gcc/config/convex/xm-convex.h
index 8a905df..1d464bd 100644
--- a/gcc/config/convex/xm-convex.h
+++ b/gcc/config/convex/xm-convex.h
@@ -18,10 +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.  */
 
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
 /* This describes the machine the compiler is hosted on.  */
 #define HOST_BITS_PER_CHAR 8
 #define HOST_BITS_PER_SHORT 16
@@ -29,10 +25,6 @@ Boston, MA 02111-1307, USA.  */
 #define HOST_BITS_PER_LONG 32
 #define HOST_BITS_PER_LONGLONG 64
 
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
 /* Convex uses Vax or IEEE floats.
    Both formats have Vax semantics. */
 
diff --git a/gcc/config/d30v/xm-d30v.h b/gcc/config/d30v/xm-d30v.h
index 549ecbe..9423cae 100644
--- a/gcc/config/d30v/xm-d30v.h
+++ b/gcc/config/d30v/xm-d30v.h
@@ -19,14 +19,6 @@
    the Free Software Foundation, 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-/* A C expression for the status code to be returned when the compiler exits
-   after serious errors.  */
-#define FATAL_EXIT_CODE 33
-
-/* A C expression for the status code to be returned when the compiler exits
-   without serious errors.  */
-#define SUCCESS_EXIT_CODE 0
-
 /* Defined if the host machine stores words of multi-word values in big-endian
    order.  (GNU CC does not depend on the host byte ordering within a word.)  */
 #define HOST_WORDS_BIG_ENDIAN
@@ -50,7 +42,3 @@
 #else
 #define alloca __builtin_alloca
 #endif
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
diff --git a/gcc/config/dsp16xx/xm-dsp16xx.h b/gcc/config/dsp16xx/xm-dsp16xx.h
index ac40dac..31c225d 100644
--- a/gcc/config/dsp16xx/xm-dsp16xx.h
+++ b/gcc/config/dsp16xx/xm-dsp16xx.h
@@ -26,17 +26,9 @@ Boston, MA 02111-1307, USA.  */
 #define HOST_BITS_PER_LONG 32
 #define HOST_BITS_PER_LONGLONG 64
 
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
 /* If compiled with GNU C, use the built-in alloca */
 #ifdef __GNUC__
 #define alloca __builtin_alloca
 #else
 #define USE_C_ALLOCA
 #endif
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
diff --git a/gcc/config/elxsi/xm-elxsi.h b/gcc/config/elxsi/xm-elxsi.h
index ed47bde..47845d0b 100644
--- a/gcc/config/elxsi/xm-elxsi.h
+++ b/gcc/config/elxsi/xm-elxsi.h
@@ -18,16 +18,8 @@ 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.  */
 
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
 /* This describes the machine the compiler is hosted on.  */
 #define HOST_BITS_PER_CHAR 8
 #define HOST_BITS_PER_SHORT 16
 #define HOST_BITS_PER_INT 32
 #define HOST_BITS_PER_LONG 32
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
diff --git a/gcc/config/fp-bit.c b/gcc/config/fp-bit.c
index f94259e..ff41d81 100644
--- a/gcc/config/fp-bit.c
+++ b/gcc/config/fp-bit.c
@@ -44,8 +44,8 @@ Boston, MA 02111-1307, USA.  */
 /* The intended way to use this file is to make two copies, add `#define FLOAT'
    to one copy, then compile both copies and add them to libgcc.a.  */
 
+#include "tconfig.h"
 #include "fp-bit.h"
-#include "tm.h"
 
 /* The following macros can be defined to change the behaviour of this file:
    FLOAT: Implement a `float', aka SFmode, fp library.  If this is not
diff --git a/gcc/config/fr30/xm-fr30.h b/gcc/config/fr30/xm-fr30.h
deleted file mode 100644
index 82030f5..0000000
--- a/gcc/config/fr30/xm-fr30.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/* Definitions of FR30 target.
-   Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc.
-   Contributed by Cygnus Solutions.
-
-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.  */
-
-/* A C expression for the status code to be returned when the compiler exits
-   after serious errors.  */
-#define FATAL_EXIT_CODE 33
-
-/* A C expression for the status code to be returned when the compiler exits
-   without serious errors.  */
-#define SUCCESS_EXIT_CODE 0
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
-/* end of xm-fr30.h */
diff --git a/gcc/config/h8300/xm-h8300.h b/gcc/config/h8300/xm-h8300.h
index 8859209..171faab 100644
--- a/gcc/config/h8300/xm-h8300.h
+++ b/gcc/config/h8300/xm-h8300.h
@@ -25,17 +25,9 @@ Boston, MA 02111-1307, USA.  */
 #define HOST_BITS_PER_LONG 32
 #define HOST_BITS_PER_LONGLONG 64
 
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
 /* If compiled with GNU C, use the built-in alloca */
 #ifdef __GNUC__
 #define alloca __builtin_alloca
 #else
 #define USE_C_ALLOCA
 #endif
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
diff --git a/gcc/config/i370/xm-i370.h b/gcc/config/i370/xm-i370.h
index bb66342..187f762 100644
--- a/gcc/config/i370/xm-i370.h
+++ b/gcc/config/i370/xm-i370.h
@@ -32,12 +32,5 @@ Boston, MA 02111-1307, USA.  */
 
 #define USG
 
-/* Target machine dependencies.  tm.h is a symbolic link to the actual
-   target specific file.  */
-
-#include "tm.h"
-
 /* Arguments to use with `exit'.  */
-
-#define SUCCESS_EXIT_CODE	0
 #define FATAL_EXIT_CODE		12
diff --git a/gcc/config/i370/xm-linux.h b/gcc/config/i370/xm-linux.h
index ccdf64f..22564df 100644
--- a/gcc/config/i370/xm-linux.h
+++ b/gcc/config/i370/xm-linux.h
@@ -41,12 +41,3 @@ extern char *alloca ();
 #endif
 #define ONLY_INT_FIELDS
 #endif
-
-/* Target machine dependencies.  tm.h is a symbolic link to the actual
-   target specific file.  */
-
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE	0
-#define FATAL_EXIT_CODE		12
diff --git a/gcc/config/i370/xm-mvs.h b/gcc/config/i370/xm-mvs.h
index 0535662..040f866 100644
--- a/gcc/config/i370/xm-mvs.h
+++ b/gcc/config/i370/xm-mvs.h
@@ -32,12 +32,5 @@ Boston, MA 02111-1307, USA.  */
 
 #define USG
 
-/* Target machine dependencies.  tm.h is a symbolic link to the actual
-   target specific file.  */
-
-#include "tm.h"
-
 /* Arguments to use with `exit'.  */
-
-#define SUCCESS_EXIT_CODE	0
 #define FATAL_EXIT_CODE		12
diff --git a/gcc/config/i370/xm-oe.h b/gcc/config/i370/xm-oe.h
index baacdf2..ddd9089 100644
--- a/gcc/config/i370/xm-oe.h
+++ b/gcc/config/i370/xm-oe.h
@@ -34,12 +34,5 @@ Boston, MA 02111-1307, USA.  */
 
 #define USG
 
-/* Target machine dependencies.  tm.h is a symbolic link to the actual
-   target specific file.  */
-
-#include "tm.h"
-
 /* Arguments to use with `exit'.  */
-
-#define SUCCESS_EXIT_CODE	0
 #define FATAL_EXIT_CODE		12
diff --git a/gcc/config/i386/xm-beos.h b/gcc/config/i386/xm-beos.h
index e386878..b133ba9 100644
--- a/gcc/config/i386/xm-beos.h
+++ b/gcc/config/i386/xm-beos.h
@@ -22,11 +22,6 @@ Boston, MA 02111-1307, USA.  */
 
 #include <i386/xm-i386.h>
 
-/* Arguments to use with `exit'.  */
-
-#define	SUCCESS_EXIT_CODE	0
-#define	FATAL_EXIT_CODE		33
-
 /* Include <sys/wait.h> to define the exit status access macros.  */
 #ifndef inhibit_libc
 #include <sys/wait.h>
diff --git a/gcc/config/i386/xm-i386.h b/gcc/config/i386/xm-i386.h
index 5eaf8e4..c0ab0cd 100644
--- a/gcc/config/i386/xm-i386.h
+++ b/gcc/config/i386/xm-i386.h
@@ -28,12 +28,3 @@ Boston, MA 02111-1307, USA.  */
 #define HOST_BITS_PER_INT 32
 #define HOST_BITS_PER_LONG 32
 #define HOST_BITS_PER_LONGLONG 64
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-
-#include "tm.h"
diff --git a/gcc/config/i386/xm-lynx.h b/gcc/config/i386/xm-lynx.h
index 359e41b..487c43b 100644
--- a/gcc/config/i386/xm-lynx.h
+++ b/gcc/config/i386/xm-lynx.h
@@ -18,16 +18,9 @@ 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 <xm-lynx.h>
-
 /* This describes the machine the compiler is hosted on.  */
 #define HOST_BITS_PER_CHAR 8
 #define HOST_BITS_PER_SHORT 16
 #define HOST_BITS_PER_INT 32
 #define HOST_BITS_PER_LONG 32
 #define HOST_BITS_PER_LONGLONG 64
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-
-#include "tm.h"
diff --git a/gcc/config/i860/xm-i860.h b/gcc/config/i860/xm-i860.h
index ad5f0ed..96e5124 100644
--- a/gcc/config/i860/xm-i860.h
+++ b/gcc/config/i860/xm-i860.h
@@ -24,12 +24,3 @@ Boston, MA 02111-1307, USA.  */
 #define HOST_BITS_PER_INT 32
 #define HOST_BITS_PER_LONG 32
 #define HOST_BITS_PER_LONGLONG 64
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-
-#include "tm.h"
diff --git a/gcc/config/i960/xm-i960.h b/gcc/config/i960/xm-i960.h
index 06df5b1..991b736 100644
--- a/gcc/config/i960/xm-i960.h
+++ b/gcc/config/i960/xm-i960.h
@@ -25,15 +25,7 @@ Boston, MA 02111-1307, USA.  */
 #define HOST_BITS_PER_LONG 32
 #define HOST_BITS_PER_LONGLONG 64
 
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
 /* If not compiled with GNU C, use the C alloca */
 #ifndef __GNUC__
 #define USE_C_ALLOCA
 #endif
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
diff --git a/gcc/config/ia64/xm-ia64.h b/gcc/config/ia64/xm-ia64.h
index f3ca011..b85ccab 100644
--- a/gcc/config/ia64/xm-ia64.h
+++ b/gcc/config/ia64/xm-ia64.h
@@ -18,14 +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.  */
 
-/* A C expression for the status code to be returned when the compiler exits
-   after serious errors.  */
-#define FATAL_EXIT_CODE 33
-
-/* A C expression for the status code to be returned when the compiler exits
-   without serious errors.  */
-#define SUCCESS_EXIT_CODE 0
-
 /* Defined if the host machine stores words of multi-word values in big-endian
    order.  (GNU CC does not depend on the host byte ordering within a word.)  */
 #ifdef __BIG_ENDIAN__
@@ -49,9 +41,3 @@ Boston, MA 02111-1307, USA.  */
 /* A C expression for the number of bits in `long long' on the host
    machine.  */
 #define HOST_BITS_PER_LONGLONG 64
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
-/* end of xm-ia64.h */
diff --git a/gcc/config/m32r/xm-m32r.h b/gcc/config/m32r/xm-m32r.h
index 82c2b84..948b130 100644
--- a/gcc/config/m32r/xm-m32r.h
+++ b/gcc/config/m32r/xm-m32r.h
@@ -29,14 +29,6 @@ Boston, MA 02111-1307, USA.  */
    matters when cross-compiling.  */
 #define HOST_WORDS_BIG_ENDIAN 1
 
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
 /* If compiled with Sun CC, the use of alloca requires this #include.  */
 #ifndef __GNUC__
 #include "alloca.h"
diff --git a/gcc/config/m68hc11/xm-m68hc11.h b/gcc/config/m68hc11/xm-m68hc11.h
index bd471f0..9a21e5d 100644
--- a/gcc/config/m68hc11/xm-m68hc11.h
+++ b/gcc/config/m68hc11/xm-m68hc11.h
@@ -1,5 +1,5 @@
 /* Configuration for GNU C-compiler for Motorola 68HC11 and 68HC12.
-   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
    Contributed by Stephane Carrez (stcarrez@worldnet.fr)
 
 This file is part of GNU CC.
@@ -19,6 +19,4 @@ 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 "tm.h"
-
 #define inhibit_libc
diff --git a/gcc/config/m68k/aux-crt2.asm b/gcc/config/m68k/aux-crt2.asm
index 062c16a..c5a0b1c 100644
--- a/gcc/config/m68k/aux-crt2.asm
+++ b/gcc/config/m68k/aux-crt2.asm
@@ -1,6 +1,6 @@
 /* More startup code for A/UX */
 
-#include "tm.h"
+#include "tconfig.h"
 
 #ifdef USE_BIN_AS
 	file "crt2.s"
diff --git a/gcc/config/m68k/aux-crtn.asm b/gcc/config/m68k/aux-crtn.asm
index ce63d7f..b794810 100644
--- a/gcc/config/m68k/aux-crtn.asm
+++ b/gcc/config/m68k/aux-crtn.asm
@@ -1,6 +1,6 @@
 /* More startup code for A/UX */
 
-#include "tm.h"
+#include "tconfig.h"
 
 #ifdef USE_BIN_AS
 	file	"crtn.s"
diff --git a/gcc/config/m68k/aux-mcount.c b/gcc/config/m68k/aux-mcount.c
index 478a16a..c0b0e4a 100644
--- a/gcc/config/m68k/aux-mcount.c
+++ b/gcc/config/m68k/aux-mcount.c
@@ -37,12 +37,9 @@ Boston, MA 02111-1307, USA.  */
 #error This file uses GNU C extensions
 #endif
 
+#include "tconfig.h"
 #include <mon.h>
 
-#ifdef IN_GCC
-#include "tm.h"
-#endif
-
 struct cnt *_countbase;
 
 #ifdef FUNCTION_PROFILER_SYMBOL
diff --git a/gcc/config/m68k/xm-lynx.h b/gcc/config/m68k/xm-lynx.h
index 78762b3..5fc1596 100644
--- a/gcc/config/m68k/xm-lynx.h
+++ b/gcc/config/m68k/xm-lynx.h
@@ -18,8 +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.  */
 
-#include <xm-lynx.h>
-
 /* This describes the machine the compiler is hosted on.  */
 #define HOST_BITS_PER_CHAR 8
 #define HOST_BITS_PER_SHORT 16
@@ -28,8 +26,3 @@ Boston, MA 02111-1307, USA.  */
 #define HOST_BITS_PER_LONGLONG 64
 
 #define HOST_WORDS_BIG_ENDIAN 1
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-
-#include "tm.h"
diff --git a/gcc/config/m68k/xm-m68k.h b/gcc/config/m68k/xm-m68k.h
index f3b337b..38aa49d 100644
--- a/gcc/config/m68k/xm-m68k.h
+++ b/gcc/config/m68k/xm-m68k.h
@@ -26,11 +26,3 @@ Boston, MA 02111-1307, USA.  */
 #define HOST_BITS_PER_LONGLONG 64
 
 #define HOST_WORDS_BIG_ENDIAN
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
diff --git a/gcc/config/m88k/xm-m88k.h b/gcc/config/m88k/xm-m88k.h
index 1ddcca9..afb68f8 100644
--- a/gcc/config/m88k/xm-m88k.h
+++ b/gcc/config/m88k/xm-m88k.h
@@ -29,10 +29,6 @@ Boston, MA 02111-1307, USA.  */
 
 #define HOST_WORDS_BIG_ENDIAN
 
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
 /* 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
@@ -50,7 +46,3 @@ Boston, MA 02111-1307, USA.  */
 #ifdef __DGUX__
 #define OBSTACK_CHUNK_SIZE (8192-16)
 #endif
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
diff --git a/gcc/config/mcore/xm-mcore.h b/gcc/config/mcore/xm-mcore.h
index ac72915..6ec0129 100644
--- a/gcc/config/mcore/xm-mcore.h
+++ b/gcc/config/mcore/xm-mcore.h
@@ -27,11 +27,3 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #ifdef __GNUC__
 #define alloca __builtin_alloca
 #endif
-
-/* Target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.  */
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
diff --git a/gcc/config/mips/xm-mips.h b/gcc/config/mips/xm-mips.h
index 3c52ac0..71af928 100644
--- a/gcc/config/mips/xm-mips.h
+++ b/gcc/config/mips/xm-mips.h
@@ -36,14 +36,6 @@ Boston, MA 02111-1307, USA.  */
 
 #define HOST_FLOAT_FORMAT IEEE_FLOAT_FORMAT
 
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
 #ifndef __GNUC__
 /* The MIPS compiler gets it wrong, and treats enumerated bitfields
    as signed quantities, making it impossible to use an 8-bit enum
diff --git a/gcc/config/mn10200/xm-mn10200.h b/gcc/config/mn10200/xm-mn10200.h
index c8b3130..1a96a4d 100644
--- a/gcc/config/mn10200/xm-mn10200.h
+++ b/gcc/config/mn10200/xm-mn10200.h
@@ -25,12 +25,3 @@ Boston, MA 02111-1307, USA.  */
 #define HOST_BITS_PER_INT 16
 #define HOST_BITS_PER_LONG 32
 #define HOST_BITS_PER_LONGLONG 64
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-
-#include "tm.h"
diff --git a/gcc/config/mn10300/xm-mn10300.h b/gcc/config/mn10300/xm-mn10300.h
index 59b625b..7e46bd1 100644
--- a/gcc/config/mn10300/xm-mn10300.h
+++ b/gcc/config/mn10300/xm-mn10300.h
@@ -25,12 +25,3 @@ Boston, MA 02111-1307, USA.  */
 #define HOST_BITS_PER_INT 32
 #define HOST_BITS_PER_LONG 32
 #define HOST_BITS_PER_LONGLONG 64
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-
-#include "tm.h"
diff --git a/gcc/config/ns32k/xm-ns32k.h b/gcc/config/ns32k/xm-ns32k.h
index 46d373f..6bb66d2 100644
--- a/gcc/config/ns32k/xm-ns32k.h
+++ b/gcc/config/ns32k/xm-ns32k.h
@@ -18,17 +18,9 @@ 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.  */
 
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
 /* This describes the machine the compiler is hosted on.  */
 #define HOST_BITS_PER_CHAR 8
 #define HOST_BITS_PER_SHORT 16
 #define HOST_BITS_PER_INT 32
 #define HOST_BITS_PER_LONG 32
 #define HOST_BITS_PER_LONGLONG 64
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
diff --git a/gcc/config/pa/xm-linux.h b/gcc/config/pa/xm-linux.h
index d5cb80b..5752741 100644
--- a/gcc/config/pa/xm-linux.h
+++ b/gcc/config/pa/xm-linux.h
@@ -29,12 +29,4 @@ Boston, MA 02111-1307, USA.  */
    matters when cross-compiling.  */
 #define HOST_WORDS_BIG_ENDIAN 1
 
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
 #include <xm-linux.h>
diff --git a/gcc/config/pa/xm-pa.h b/gcc/config/pa/xm-pa.h
index 7c992ff..d7c7d48 100644
--- a/gcc/config/pa/xm-pa.h
+++ b/gcc/config/pa/xm-pa.h
@@ -33,14 +33,6 @@ Boston, MA 02111-1307, USA.  */
 /* Place any machine-dependent include files here, in case we
    are bootstrapping.  */
 
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
 /* 4.3BSD, OSF1 and Lites on the PA are all derived from NET2 or
    later code from Berkeley.  */
 #define __BSD_NET2__
diff --git a/gcc/config/pa/xm-pa64hpux.h b/gcc/config/pa/xm-pa64hpux.h
index 157abe0..68c80af 100644
--- a/gcc/config/pa/xm-pa64hpux.h
+++ b/gcc/config/pa/xm-pa64hpux.h
@@ -33,17 +33,6 @@ Boston, MA 02111-1307, USA.  */
    matters when cross-compiling.  */
 #define HOST_WORDS_BIG_ENDIAN 1
 
-/* Place any machine-dependent include files here, in case we
-   are bootstrapping.  */
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
 /* HP's compiler has problems with enum bitfields.  */
 #define ONLY_INT_FIELDS
 
diff --git a/gcc/config/pa/xm-pahpux.h b/gcc/config/pa/xm-pahpux.h
index e7a4f75..651a0ed 100644
--- a/gcc/config/pa/xm-pahpux.h
+++ b/gcc/config/pa/xm-pahpux.h
@@ -33,17 +33,6 @@ Boston, MA 02111-1307, USA.  */
    matters when cross-compiling.  */
 #define HOST_WORDS_BIG_ENDIAN 1
 
-/* Place any machine-dependent include files here, in case we
-   are bootstrapping.  */
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
 /* HP's compiler has problems with enum bitfields.  */
 #define ONLY_INT_FIELDS
 
diff --git a/gcc/config/pa/xm-papro.h b/gcc/config/pa/xm-papro.h
index f987a56..2f72d29 100644
--- a/gcc/config/pa/xm-papro.h
+++ b/gcc/config/pa/xm-papro.h
@@ -30,17 +30,6 @@ Boston, MA 02111-1307, USA.  */
    matters when cross-compiling.  */
 #define HOST_WORDS_BIG_ENDIAN 1
 
-/* Place any machine-dependent include files here, in case we
-   are bootstrapping.  */
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
 /* HP's compiler has problems with enum bitfields.  */
 #define ONLY_INT_FIELDS
 
diff --git a/gcc/config/pdp11/xm-pdp11.h b/gcc/config/pdp11/xm-pdp11.h
deleted file mode 100644
index f6a5467..0000000
--- a/gcc/config/pdp11/xm-pdp11.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/* Configuration for GNU C-compiler for pdp-11 family.
-   Copyright (C) 1994, 1995 Free Software Foundation, Inc.
-   Contributed by Michael K. Gschwind (mike@vlsivie.tuwien.ac.at).
-
-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.  */
-
-/* gcc can never run on a PDP, since it needs too much memory */
-/* but we need the xm-pdp.h file to compile libgcc2           */
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
diff --git a/gcc/config/pj/xm-pj.h b/gcc/config/pj/xm-pj.h
index 694ef3a..892bcf8 100644
--- a/gcc/config/pj/xm-pj.h
+++ b/gcc/config/pj/xm-pj.h
@@ -24,12 +24,3 @@ Boston, MA 02111-1307, USA.  */
 #define HOST_BITS_PER_INT 32
 #define HOST_BITS_PER_LONG 32
 #define HOST_BITS_PER_LONGLONG 64
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-
-#include "tm.h"
diff --git a/gcc/config/romp/xm-romp.h b/gcc/config/romp/xm-romp.h
index 2379825..822ad23 100644
--- a/gcc/config/romp/xm-romp.h
+++ b/gcc/config/romp/xm-romp.h
@@ -27,14 +27,6 @@ Boston, MA 02111-1307, USA.  */
 
 #define HOST_WORDS_BIG_ENDIAN
 
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
 /* If compiled with hc, use the built-in alloca and memcpy.
    These definitions assume hc version 2.  */
 #ifdef __HIGHC__
diff --git a/gcc/config/rs6000/xm-beos.h b/gcc/config/rs6000/xm-beos.h
index c5ee876..d96a9aa 100644
--- a/gcc/config/rs6000/xm-beos.h
+++ b/gcc/config/rs6000/xm-beos.h
@@ -31,16 +31,6 @@ Boston, MA 02111-1307, USA.  */
 
 #define	HOST_WORDS_BIG_ENDIAN
 
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-
-#define	SUCCESS_EXIT_CODE	0
-#define	FATAL_EXIT_CODE		33
-
 /* Use the C alloca and use only int bitfields.  */
 
 #define USE_C_ALLOCA
diff --git a/gcc/config/rs6000/xm-lynx.h b/gcc/config/rs6000/xm-lynx.h
index 1c093c2..9070035 100644
--- a/gcc/config/rs6000/xm-lynx.h
+++ b/gcc/config/rs6000/xm-lynx.h
@@ -18,8 +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.  */
 
-#include <xm-lynx.h>
-
 /* This describes the machine the compiler is hosted on.  */
 #define HOST_BITS_PER_CHAR 8
 #define HOST_BITS_PER_SHORT 16
@@ -28,8 +26,3 @@ Boston, MA 02111-1307, USA.  */
 #define HOST_BITS_PER_LONGLONG 64
 
 #define HOST_WORDS_BIG_ENDIAN 1
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-
-#include "tm.h"
diff --git a/gcc/config/rs6000/xm-rs6000.h b/gcc/config/rs6000/xm-rs6000.h
index d68965b..d14ffaf 100644
--- a/gcc/config/rs6000/xm-rs6000.h
+++ b/gcc/config/rs6000/xm-rs6000.h
@@ -28,14 +28,6 @@ Boston, MA 02111-1307, USA.  */
 
 #define	HOST_WORDS_BIG_ENDIAN
 
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define	SUCCESS_EXIT_CODE	0
-#define	FATAL_EXIT_CODE		33
-
 /* If not compiled with GNU C, use the C alloca and use only int bitfields.  */
 #ifndef __GNUC__
 #define USE_C_ALLOCA
diff --git a/gcc/config/rs6000/xm-sysv4.h b/gcc/config/rs6000/xm-sysv4.h
index 6e7b127..d35afed 100644
--- a/gcc/config/rs6000/xm-sysv4.h
+++ b/gcc/config/rs6000/xm-sysv4.h
@@ -30,14 +30,6 @@ Boston, MA 02111-1307, USA.  */
    matters when cross-compiling.  */
 #define HOST_WORDS_BIG_ENDIAN 1
 
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
 #ifdef __linux__
 #include "xm-linux.h"
 #endif
diff --git a/gcc/config/sh/xm-sh.h b/gcc/config/sh/xm-sh.h
index e6e183b..6802553 100644
--- a/gcc/config/sh/xm-sh.h
+++ b/gcc/config/sh/xm-sh.h
@@ -28,11 +28,3 @@ Boston, MA 02111-1307, USA.  */
 #ifdef __GNUC__
 #define alloca __builtin_alloca
 #endif
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.  */
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
diff --git a/gcc/config/sparc/xm-lynx.h b/gcc/config/sparc/xm-lynx.h
index 90fef85..d6a4740 100644
--- a/gcc/config/sparc/xm-lynx.h
+++ b/gcc/config/sparc/xm-lynx.h
@@ -18,8 +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.  */
 
-#include <xm-lynx.h>
-
 /* This describes the machine the compiler is hosted on.  */
 #define HOST_BITS_PER_CHAR 8
 #define HOST_BITS_PER_SHORT 16
@@ -28,12 +26,3 @@ Boston, MA 02111-1307, USA.  */
 #define HOST_BITS_PER_LONGLONG 64
 
 #define HOST_WORDS_BIG_ENDIAN 1
-
-/* Include <sys/wait.h> to define the exit status access macros.  */
-#include <sys/types.h>
-#include <sys/wait.h>
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-
-#include "tm.h"
diff --git a/gcc/config/sparc/xm-sparc.h b/gcc/config/sparc/xm-sparc.h
index 096fad6..6432457 100644
--- a/gcc/config/sparc/xm-sparc.h
+++ b/gcc/config/sparc/xm-sparc.h
@@ -30,14 +30,6 @@ Boston, MA 02111-1307, USA.  */
    matters when cross-compiling.  */
 #define HOST_WORDS_BIG_ENDIAN 1
 
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
 /* If compiled with Sun CC, the use of alloca requires this #include.  */
 #ifndef __GNUC__
 #include "alloca.h"
diff --git a/gcc/config/sparc/xm-sysv4.h b/gcc/config/sparc/xm-sysv4.h
index 5e0d15d..0465079 100644
--- a/gcc/config/sparc/xm-sysv4.h
+++ b/gcc/config/sparc/xm-sysv4.h
@@ -30,14 +30,6 @@ Boston, MA 02111-1307, USA.  */
    matters when cross-compiling.  */
 #define HOST_WORDS_BIG_ENDIAN 1
 
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
 #ifndef __GNUC__
 #define ONLY_INT_FIELDS
 #endif
diff --git a/gcc/config/v850/xm-v850.h b/gcc/config/v850/xm-v850.h
index e7257e4..decd339 100644
--- a/gcc/config/v850/xm-v850.h
+++ b/gcc/config/v850/xm-v850.h
@@ -25,12 +25,3 @@ Boston, MA 02111-1307, USA.  */
 #define HOST_BITS_PER_INT 32
 #define HOST_BITS_PER_LONG 32
 #define HOST_BITS_PER_LONGLONG 64
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-
-#include "tm.h"
diff --git a/gcc/config/vax/xm-vax.h b/gcc/config/vax/xm-vax.h
index d19157f..a029787 100644
--- a/gcc/config/vax/xm-vax.h
+++ b/gcc/config/vax/xm-vax.h
@@ -18,10 +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.  */
 
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
 /* This describes the machine the compiler is hosted on.  */
 #define HOST_BITS_PER_CHAR 8
 #define HOST_BITS_PER_SHORT 16
@@ -31,10 +27,3 @@ Boston, MA 02111-1307, USA.  */
 
 /* This machine doesn't use IEEE floats.  */
 #define HOST_FLOAT_FORMAT VAX_FLOAT_FORMAT
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
-/* isinf isn't there, but finite is. */
-#define isinf(x) (!finite(x))
diff --git a/gcc/config/vax/xm-vms.h b/gcc/config/vax/xm-vms.h
index 2fc6447..d5af89f 100644
--- a/gcc/config/vax/xm-vms.h
+++ b/gcc/config/vax/xm-vms.h
@@ -40,10 +40,6 @@ Boston, MA 02111-1307, USA.  */
 #undef FILE_TYPE
 #endif
 
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
 /* This describes the machine the compiler is hosted on.  */
 #define HOST_BITS_PER_CHAR 8
 #define HOST_BITS_PER_SHORT 16
diff --git a/gcc/config/we32k/xm-we32k.h b/gcc/config/we32k/xm-we32k.h
index 0bc5514..4440f3d 100644
--- a/gcc/config/we32k/xm-we32k.h
+++ b/gcc/config/we32k/xm-we32k.h
@@ -28,14 +28,6 @@ Boston, MA 02111-1307, USA.  */
 
 #define HOST_WORDS_BIG_ENDIAN
 
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
-
-/* target machine dependencies.
-   tm.h is a symbolic link to the actual target specific file.   */
-#include "tm.h"
-
 #ifndef MAXPATHLEN
 #define MAXPATHLEN 512
 #endif
diff --git a/gcc/config/xm-gnu.h b/gcc/config/xm-gnu.h
index 64e8e2f..67beb55 100644
--- a/gcc/config/xm-gnu.h
+++ b/gcc/config/xm-gnu.h
@@ -24,9 +24,3 @@ Boston, MA 02111-1307, USA.  */
    CPU/xm-CPU.h and this file xm-gnu.h.  */
 
 #define POSIX			/* GNU complies to POSIX.1.  */
-
-#ifndef inhibit_libc
-/* Get a definition of O_RDONLY; some of the GCC files don't include this
-   properly and will define it themselves to be zero. */
-#include <fcntl.h>
-#endif
diff --git a/gcc/config/xm-lynx.h b/gcc/config/xm-lynx.h
deleted file mode 100644
index edc5ca9..0000000
--- a/gcc/config/xm-lynx.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/* Configuration for GNU C-compiler for Lynx.
-   Copyright (C) 1993, 1995, 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 file defines machine-independent things specific to a host
-   running Lynx.  This file should not be specified as $xm_file itself;
-   instead $xm_file should be CPU/xm-lynx.h, which should include this one.  */
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33
diff --git a/gcc/config/xm-std32.h b/gcc/config/xm-std32.h
index cad11ef..1f8ed68 100644
--- a/gcc/config/xm-std32.h
+++ b/gcc/config/xm-std32.h
@@ -24,7 +24,3 @@ Boston, MA 02111-1307, USA.  */
 #define HOST_BITS_PER_INT 32
 #define HOST_BITS_PER_LONG 32
 #define HOST_BITS_PER_LONGLONG 64
-
-/* Arguments to use with `exit'.  */
-#define SUCCESS_EXIT_CODE 0
-#define FATAL_EXIT_CODE 33