config.guess: Add support for i386-pc-interix.

* config.guess: Add support for i386-pc-interix.
        * config.sub: Likewise.
        * configure.in: Likewise.
        * config/mh-interix: New file.

From-SVN: r24913

ChangeLog

@@ -1,3 +1,10 @@
+Sat Jan 30 08:04:00 1999  Mumit Khan  <khan@xraylith.wisc.edu>
+
+	* config.guess: Add support for i386-pc-interix.
+	* config.sub: Likewise.
+	* configure.in: Likewise.
+	* config/mh-interix: New file.
+
 Wed Dec 23 00:20:50 1998  Jeffrey A Law  (law@cygnus.com)
 
 	* config.sub: Clean up handling of hppa2.0.

config.guess

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright (C) 1992, 93, 94, 95, 96, 97, 1998 Free Software Foundation, Inc.
+#   Copyright (C) 1992, 93, 94, 95, 96, 97, 1998, 1999 Free Software Foundation, Inc.
 #
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -529,6 +529,13 @@ EOF
     i*:MINGW*:*)
 	echo ${UNAME_MACHINE}-pc-mingw32
 	exit 0 ;;
+    i*:Windows_NT*:* | Pentium*:Windows_NT*:*)
+        # How do we know it's Interix rather than generic posix subsystem?
+	# It also conflicts with pre-2.0 versions of AT&T UWIN. Should we
+	# change UNAME_MACHINE based on the output of uname instead of
+	# i386?
+	echo i386-pc-interix
+	exit 0 ;;
     p*:CYGWIN*:*)
 	echo powerpcle-unknown-cygwin32
 	exit 0 ;;

config.sub

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Configuration validation subroutine script, version 1.1.
-#   Copyright (C) 1991, 92-97, 1998 Free Software Foundation, Inc.
+#   Copyright (C) 1991, 92-97, 1998, 1999 Free Software Foundation, Inc.
 # This file is (in principle) common to ALL GNU software.
 # The presence of a machine in this file suggests that SOME GNU software
 # can handle that machine.  It does not imply ALL GNU software can.
@@ -932,7 +932,8 @@ case $os in
 	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
 	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
 	      | -cygwin32* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
-	      | -mingw32* | -linux-gnu* | -uxpv* | -beos* | -mpeix* | -udk*)
+	      | -mingw32* | -linux-gnu* | -uxpv* | -beos* | -mpeix* | -udk* \
+	      | -interix* )
 	# Remember, each alternative MUST END IN *, to match a version number.
 		;;
 	# CYGNUS LOCAL

config/mh-interix

@@ -0,0 +1,14 @@
+# The shell may not be in /bin. 
+SHELL = sh
+RANLIB = true
+
+# We don't want debugging info in Interix-hosted toolchains.
+# Accomplish this by overriding CFLAGS. This is also a workaround
+# for LD crash when building shared libstdc++.
+CFLAGS=-O2
+CXXFLAGS=-O2
+
+# We also need to override LIBGCC2_DEBUG_CFLAGS so libgcc2 will be
+# built without debugging information
+
+LIBGCC2_DEBUG_CFLAGS=

configure.in

@@ -14,7 +14,7 @@
 ## For more information on these two systems, check out the documentation
 ## for 'Autoconf' (autoconf.texi) and 'Configure' (configure.texi).  
 
-#   Copyright (C) 1992, 93, 94, 95, 96, 97, 1998 Free Software Foundation, Inc.
+#   Copyright (C) 1992, 93, 94, 95, 96, 97, 1998, 1999 Free Software Foundation, Inc.
 #
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -200,6 +200,9 @@ case "${host}" in
   *-mingw32*)
     host_makefile_frag="${host_makefile_frag} config/mh-mingw32"
     ;;
+  *-interix*)
+    host_makefile_frag="${host_makefile_frag} config/mh-interix"
+    ;;
   *-windows*)
     host_makefile_frag="${host_makefile_frag} config/mh-windows"
     ;;