* configure.in: Remove references to unsupported systems.

* notes/copyright:
* MAINTAINERS: Remove references to files that have been removed.

* os.texi (System Environment): Remove references to OSes that are
not supported anymore.

* PROBLEMS:
* MACHINES: Remove references to systems not supported anymore.

* makefile.w32-in:
* Makefile.in: Remove references to Xenix.

* gnus.el (gnus-use-long-file-name): Remove reference to xenix.

* obsolete/x-apollo.el: Remove file for unsupported system.

* term/x-win.el (vendor-specific-keysyms): Remove reference to
Apollo.

* progmodes/gud.el (gud-dgux-p): Remove.
(dbx): Remove reference to dgux.

* progmodes/ps-mode.el (ps-mode-print-function):
* ps-print.el (ps-lp-system):
* paths.el (rmail-spool-directory):
* ls-lisp.el (ls-lisp-emulation):
* lpr.el (lpr-lp-system):
* dired.el (dired-chown-program): Remove references to dgux.

* m/7300.h:
* m/acorn.h:
* m/alliant-2800.h:
* m/alliant.h:
* m/alliant1.h:
* m/alliant4.h:
* m/altos.h:
* m/amdahl.h:
* m/apollo.h:
* m/att3b.h:
* m/aviion-intel.h:
* m/aviion.h:
* m/celerity.h:
* m/clipper.h:
* m/cnvrgnt.h:
* m/convex.h:
* m/cydra5.h:
* m/delta88k.h:
* m/dpx2.h:
* m/dual.h:
* m/elxsi.h:
* m/f301.h:
* m/gould-np1.h:
* m/gould.h:
* m/i860.h:
* m/ibmps2-aix.h:
* m/ibmrt-aix.h:
* m/ibmrt.h:
* m/irist.h:
* m/is386.h:
* m/isi-ov.h:
* m/mega68.h:
* m/mg1.h:
* m/news-r6.h:
* m/news-risc.h:
* m/news.h:
* m/nh3000.h:
* m/nh4000.h:
* m/ns16000.h:
* m/ns32000.h:
* m/nu.h:
* m/orion.h:
* m/orion105.h:
* m/paragon.h:
* m/pfa50.h:
* m/plexus.h:
* m/pyramid.h:
* m/pyrmips.h:
* m/sh3el.h:
* m/sps7.h:
* m/sr2k.h:
* m/stride.h:
* m/sun1.h:
* m/sun2.h:
* m/sun3-68881.h:
* m/sun3-fpa.h:
* m/sun3-soft.h:
* m/sun3.h:
* m/sun386.h:
* m/symmetry.h:
* m/tad68k.h:
* m/tahoe.h:
* m/targon31.h:
* m/tek4300.h:
* m/tekxd88.h:
* m/tower32.h:
* m/tower32v3.h:
* m/ustation.h:
* m/wicat.h:
* m/xps100.h:
* s/cxux.h:
* s/cxux7.h:
* s/dgux.h:
* s/dgux4.h:
* s/dgux5-4-3.h:
* s/dgux5-4r2.h:
* s/esix.h:
* s/esix5r4.h:
* s/hiuxmpp.h:
* s/hiuxwe2.h:
* s/iris3-5.h:
* s/iris3-6.h:
* s/isc2-2.h:
* s/isc3-0.h:
* s/isc4-0.h:
* s/isc4-1.h:
* s/newsos5.h:
* s/newsos6.h:
* s/osf1.h:
* s/osf5-0.h:
* s/riscix1-1.h:
* s/riscix12.h:
* s/sco4.h:
* s/sco5.h:
* s/sunos4-0.h:
* s/sunos4-1.h:
* s/sunos413.h:
* s/sunos4shr.h:
* s/umax.h:
* s/unipl5-2.h:
* s/xenix.h:
* cxux-crt0.s:
* unexapollo.c:
* unexconvex.c:
* unexenix.c:
* unexsni.c: Remove files for systems no longer supported.

* m/intel386.h: Remove references to unsupported systems.

* w32.c (get_emacs_configuration): Remove reference to i860.

* sysdep.c: Remove dead code.

1 files changed, 4 insertions, 462 deletions

diff --git a/configure.in b/configure.in
index 6d727dd642a..19471e32582 100644
--- a/configure.in
+++ b/configure.in
@@ -217,8 +217,8 @@ dnl quotation begins
 ### based on the machine portion of the configuration name, and an s-
 ### file based on the operating system portion.  However, it turns out
 ### that each m/*.h file is pretty manufacturer-specific - for
-### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
-### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
+### example hp9000s300.h is a 68000 machine;
+### mips.h, pmax.h are all MIPS
 ### machines.  So we basically have to have a special case for each
 ### configuration name.
 ###
@@ -279,14 +279,12 @@ dnl see the `changequote' comment above.
       mips-*-netbsd*)	machine=pmax ;;
       mipsel-*-netbsd*)	machine=pmax ;;
       mipseb-*-netbsd*)	machine=pmax ;;
-      ns32k-*-netbsd*)	machine=ns32000 ;;
       powerpc-*-netbsd*) machine=macppc ;;
       sparc*-*-netbsd*)	machine=sparc ;;
       vax-*-netbsd*)	machine=vax ;;
       arm-*-netbsd*)	machine=arm ;;
       x86_64-*-netbsd*)	machine=amdx86-64 ;;
       hppa-*-netbsd*)	machine=hp800 ;;
-      shle-*-netbsd*)	machine=sh3el ;;
     esac
   ;;
 
@@ -299,10 +297,8 @@ dnl see the `changequote' comment above.
       hppa-*-openbsd*)         machine=hp9000s300 ;;
       i386-*-openbsd*)         machine=intel386 ;;
       m68k-*-openbsd*)         machine=hp9000s300 ;;
-      m88k-*-openbsd*)         machine=aviion ;;
       mips64-*-openbsd*)       machine=mips64 ;;
       powerpc-*-openbsd*)      machine=macppc ;;
-      sh-*-openbsd*)           machine=sh3el ;;
       sparc*-*-openbsd*)       machine=sparc ;;
       vax-*-openbsd*)          machine=vax ;;
       x86_64-*-openbsd*)       machine=amdx86-64 ;;
@@ -318,16 +314,6 @@ dnl see the `changequote' comment above.
     esac
   ;;
 
-  ## Acorn RISCiX:
-  arm-acorn-riscix1.1* )
-    machine=acorn opsys=riscix1-1
-  ;;
-  arm-acorn-riscix1.2* | arm-acorn-riscix )
-    ## This name is riscix12 instead of riscix1.2
-    ## to avoid a file name conflict on MSDOS.
-    machine=acorn opsys=riscix12
-  ;;
-
   ## BSDI ports
   *-*-bsdi* )
     opsys=bsdi
@@ -345,19 +331,6 @@ dnl see the `changequote' comment above.
     esac
   ;;
 
-  ## Alliant machines
-  ## Strictly speaking, we need the version of the alliant operating
-  ## system to choose the right machine file, but currently the
-  ## configuration name doesn't tell us enough to choose the right
-  ## one; we need to give alliants their own operating system name to
-  ## do this right.  When someone cares, they can help us.
-  fx80-alliant-* )
-    machine=alliant4 opsys=bsd4-2
-  ;;
-  i860-alliant-* )
-    machine=alliant-2800 opsys=bsd4-3
-  ;;
-
   ## Alpha (DEC) machines.
   alpha*-dec-osf* )
     machine=alpha opsys=osf1
@@ -383,21 +356,6 @@ dnl see the `changequote' comment above.
     machine=arm opsys=gnu-linux
   ;;
 
-  ## Altos 3068
-  m68*-altos-sysv* )
-    machine=altos opsys=usg5-2
-  ;;
-
-  ## Amdahl UTS
-  580-amdahl-sysv* )
-    machine=amdahl opsys=usg5-2-2
-  ;;
-
-  ## Apollo, Domain/OS
-  m68*-apollo-* )
-    machine=apollo opsys=bsd4-3
-  ;;
-
   ## Apple Darwin / Mac OS X
   *-apple-darwin* )
     case "${canonical}" in
@@ -416,101 +374,16 @@ dnl see the `changequote' comment above.
     fi
   ;;
 
-  ## AT&T 3b2, 3b5, 3b15, 3b20
-  we32k-att-sysv* )
-    machine=att3b opsys=usg5-2-2
-  ;;
-
-  ## AT&T 3b1 - The Mighty Unix PC!
-  m68*-att-sysv* )
-    machine=7300 opsys=usg5-2-2
-  ;;
-
-  ## Bull dpx20
-  rs6000-bull-bosx* )
-    machine=ibmrs6000 opsys=aix3-2
-  ;;
-
-  ## Bull dpx2
-  m68*-bull-sysv3* )
-    machine=dpx2 opsys=usg5-3
-  ;;
-
-  ## Bull sps7
-  m68*-bull-sysv2* )
-    machine=sps7 opsys=usg5-2
-  ;;
-
-  ## CCI 5/32, 6/32 -- see "Tahoe".
-
-  ## Celerity
-  ## I don't know what configuration name to use for this; config.sub
-  ## doesn't seem to know anything about it.  Hey, Celerity users, get
-  ## in touch with us!
-  celerity-celerity-bsd* )
-    machine=celerity opsys=bsd4-2
-  ;;
-
-  ## Clipper
-  ## What operating systems does this chip run that Emacs has been
-  ## tested on?
-  clipper-* )
-    machine=clipper
-    ## We'll use the catch-all code at the bottom to guess the
-    ## operating system.
-  ;;
-
   ## Compaq Nonstop
   mips-compaq-nonstopux* )
     machine=nonstopux opsys=nonstopux
     ;;
 
-  ## Convex
-  *-convex-bsd* | *-convex-convexos* )
-    machine=convex opsys=bsd4-3
-    ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
-    NON_GNU_CPP="cc -E -P"
-  ;;
-
   ## Cubix QBx/386
   i[3456]86-cubix-sysv* )
     machine=intel386 opsys=usg5-3
   ;;
 
-  ## Cydra 5
-  cydra*-cydrome-sysv* )
-    machine=cydra5 opsys=usg5-3
-  ;;
-
-  ## Data General AViiON Machines
-  ## DG changed naming conventions with the release of 5.4.4.10, they
-  ## dropped the initial 5.4 but left the intervening R.  Because of the
-  ## R this shouldn't conflict with older versions of the OS (which I
-  ## think were named like dgux4.*). In addition, DG new AViiONs series
-  ## uses either Motorola M88k or Intel Pentium CPUs.
-  m88k-dg-dguxR4.* | m88k-dg-dgux4* )
-    machine=aviion opsys=dgux4
-  ;;
-  m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
-    ## This name is dgux5-4-3 instead of dgux5-4r3
-    ## to avoid a file name conflict on MSDOS.
-    machine=aviion opsys=dgux5-4-3
-  ;;
-  m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
-    machine=aviion opsys=dgux5-4r2
-  ;;
-  m88k-dg-dgux* )
-    machine=aviion opsys=dgux
-  ;;
-
-  ## Data General AViiON Intel (x86) Machines
-  ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
-  ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
-  i[345]86-dg-dguxR4* )
-    machine=aviion-intel opsys=dgux4
-  ;;
-
-  ## DECstations
   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
     machine=pmax opsys=bsd4-2
   ;;
@@ -527,96 +400,6 @@ dnl see the `changequote' comment above.
     machine=pmax opsys=mach-bsd4-3
   ;;
 
-  ## Motorola Delta machines
-  m68k-motorola-sysv* | m68000-motorola-sysv* )
-    machine=delta opsys=usg5-3
-    if test -z "`type gnucc | grep 'not found'`"
-    then
-      if test -s /etc/167config
-      then CC="gnucc -m68040"
-      else CC="gnucc -m68881"
-      fi
-    else
-      if test -z "`type gcc | grep 'not found'`"
-      then CC=gcc
-      else CC=cc
-      fi
-    fi
-  ;;
-  m88k-motorola-sysv4* )
-    # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
-    # needs POSIX_SIGNALS and therefore needs usg5-4-2.
-    # I hope there are not other 4.0 versions for this machine
-    # which really need usg5-4 instead.
-    machine=delta88k opsys=usg5-4-2
-  ;;
-  m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
-    machine=delta88k opsys=usg5-3
-  ;;
-
-  ## Dual machines
-  m68*-dual-sysv* )
-    machine=dual opsys=usg5-2
-  ;;
-  m68*-dual-uniplus* )
-    machine=dual opsys=unipl5-2
-  ;;
-
-  ## Elxsi 6400
-  elxsi-elxsi-sysv* )
-    machine=elxsi opsys=usg5-2
-  ;;
-
-  ## Encore machines
-  ns16k-encore-bsd* )
-    machine=ns16000 opsys=umax
-  ;;
-
-  ## The GEC 63 - apparently, this port isn't really finished yet.
-  #  I'm sure we finished off the last of the machines, though.  -- fx
-
-  ## Gould Power Node and NP1
-  pn-gould-bsd4.2* )
-    machine=gould opsys=bsd4-2
-  ;;
-  pn-gould-bsd4.3* )
-    machine=gould opsys=bsd4-3
-  ;;
-  np1-gould-bsd* )
-    machine=gould-np1 opsys=bsd4-3
-  ;;
-
-  ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
-  ## as far as Emacs is concerned).
-  m88k-harris-cxux* )
-    # Build needs to be different on 7.0 and later releases
-    case "`uname -r`" in
-       [56].[0-9] ) machine=nh4000 opsys=cxux ;;
-       [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
-    esac
-    NON_GNU_CPP="/lib/cpp"
-  ;;
-  ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
-  m68k-harris-cxux* )
-    machine=nh3000 opsys=cxux
-  ;;
-  ## Harris power pc NightHawk running Power UNIX (Series 6000)
-  powerpc-harris-powerunix )
-    machine=nh6000 opsys=powerunix
-    NON_GNU_CPP="cc -Xo -E -P"
-  ;;
-  ## SR2001/SR2201 running HI-UX/MPP
-  hppa1.1-hitachi-hiuxmpp* )
-    machine=sr2k opsys=hiuxmpp
-  ;;
-  hppa1.1-hitachi-hiuxwe2* )
-    machine=sr2k opsys=hiuxwe2
-  ;;
-  ## Honeywell XPS100
-  xps*-honeywell-sysv* )
-    machine=xps100 opsys=usg5-2
-  ;;
-
   ## HP 9000 series 200 or 300
   m68*-hp-bsd* )
     machine=hp9000s300 opsys=bsd4-3
@@ -678,21 +461,7 @@ dnl see the `changequote' comment above.
     machine=hp800 opsys=nextstep
   ;;
 
-  ## Orion machines
-  orion-orion-bsd* )
-    machine=orion opsys=bsd4-2
-  ;;
-  clipper-orion-bsd* )
-    machine=orion105 opsys=bsd4-2
-  ;;
-
   ## IBM machines
-  i[3456]86-ibm-aix1.1* )
-    machine=ibmps2-aix opsys=usg5-2-2
-  ;;
-  i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
-    machine=ibmps2-aix opsys=usg5-3
-  ;;
   i370-ibm-aix*)
     machine=ibm370aix opsys=usg5-3
   ;;
@@ -729,51 +498,12 @@ dnl see the `changequote' comment above.
   rs6000-ibm-aix* | powerpc-ibm-aix* )
     machine=ibmrs6000 opsys=aix3-2
   ;;
-  romp-ibm-bsd4.3* )
-    machine=ibmrt opsys=bsd4-3
-  ;;
-  romp-ibm-bsd4.2* )
-    machine=ibmrt opsys=bsd4-2
-  ;;
-  romp-ibm-aos4.3* )
-    machine=ibmrt opsys=bsd4-3
-  ;;
-  romp-ibm-aos4.2* )
-    machine=ibmrt opsys=bsd4-2
-  ;;
-  romp-ibm-aos* )
-    machine=ibmrt opsys=bsd4-3
-  ;;
-  romp-ibm-bsd* )
-    machine=ibmrt opsys=bsd4-3
-  ;;
-  romp-ibm-aix* )
-    machine=ibmrt-aix opsys=usg5-2-2
-  ;;
-
-  ## Integrated Solutions `Optimum V'
-  m68*-isi-bsd4.2* )
-    machine=isi-ov opsys=bsd4-2
-  ;;
-  m68*-isi-bsd4.3* )
-    machine=isi-ov opsys=bsd4-3
-  ;;
-
-  ## Intel 386 machines where we do care about the manufacturer
-  i[3456]86-intsys-sysv* )
-    machine=is386 opsys=usg5-2-2
-  ;;
 
   ## Prime EXL
   i[3456]86-prime-sysv* )
     machine=i386 opsys=usg5-3
   ;;
 
-  ## Sequent Symmetry running Dynix
-  i[3456]86-sequent-bsd* )
-    machine=symmetry opsys=bsd4-3
-  ;;
-
   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
     machine=sequent-ptx opsys=ptx4
@@ -798,28 +528,11 @@ dnl see the `changequote' comment above.
     machine=ncr386 opsys=usg5-4-2
   ;;
 
-  ## Intel Paragon OSF/1
-  i860-intel-osf1* )
-    machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
-  ;;
-
-  ## Intel 860
-  i860-*-sysv4* )
-    machine=i860 opsys=usg5-4
-    NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
-    NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
-  ;;
-
   ## Macintosh PowerPC
   powerpc*-*-linux-gnu* )
     machine=macppc opsys=gnu-linux
   ;;
 
-  ## Megatest machines
-  m68*-megatest-bsd* )
-    machine=mega68 opsys=bsd4-2
-  ;;
-
   ## Workstations sold by MIPS
   ## This is not necessarily all workstations using the MIPS processor -
   ## Irises are produced by SGI, and DECstations by DEC.
@@ -857,54 +570,11 @@ dnl see the `changequote' comment above.
     machine=m68k opsys=nextstep
   ;;
 
-  ## The complete machine from National Semiconductor
-  ns32k-ns-genix* )
-    machine=ns32000 opsys=usg5-2
-  ;;
-
-  ## NCR machines
-  m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
-    machine=tower32 opsys=usg5-2-2
-  ;;
-  m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
-    machine=tower32v3 opsys=usg5-3
-  ;;
-
   ## NEC EWS4800
   mips-nec-sysv4*)
   machine=ews4800 opsys=ux4800
   ;;
 
-  ## Nixdorf Targon 31
-  m68*-nixdorf-sysv* )
-    machine=targon31 opsys=usg5-2-2
-  ;;
-
-  ## Nu (TI or LMI)
-  m68*-nu-sysv* )
-    machine=nu opsys=usg5-2
-  ;;
-
-  ## Plexus
-  m68*-plexus-sysv* )
-    machine=plexus opsys=usg5-2
-  ;;
-
-  ## Pyramid machines
-  ## I don't really have any idea what sort of processor the Pyramid has,
-  ## so I'm assuming it is its own architecture.
-  pyramid-pyramid-bsd* )
-    machine=pyramid opsys=bsd4-2
-  ;;
-
-  ## Sequent Balance
-  ns32k-sequent-bsd4.2* )
-    machine=sequent opsys=bsd4-2
-  ;;
-  ns32k-sequent-bsd4.3* )
-    machine=sequent opsys=bsd4-3
-  ;;
-
   ## Siemens Nixdorf
   mips-siemens-sysv* | mips-sni-sysv*)
     machine=mips-siemens opsys=usg5-4
@@ -913,13 +583,6 @@ dnl see the `changequote' comment above.
   ;;
 
   ## Silicon Graphics machines
-  ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
-  m68*-sgi-iris3.5* )
-    machine=irist opsys=iris3-5
-  ;;
-  m68*-sgi-iris3.6* | m68*-sgi-iris*)
-    machine=irist opsys=iris3-6
-  ;;
   ## Iris 4D
   mips-sgi-irix3* )
     machine=iris4d opsys=irix3-3
@@ -950,31 +613,6 @@ dnl see the `changequote' comment above.
     machine=iris4d opsys=irix5-2
   ;;
 
-  ## SONY machines
-  m68*-sony-bsd4.2* )
-    machine=news opsys=bsd4-2
-  ;;
-  m68*-sony-bsd4.3* )
-    machine=news opsys=bsd4-3
-  ;;
-  m68*-sony-newsos3* | m68*-sony-news3*)
-    machine=news opsys=bsd4-3
-  ;;
-  mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
-    machine=news-risc opsys=bsd4-3
-  ;;
-  mips-sony-newsos6* )
-    machine=news-r6 opsys=newsos6
-  ;;
-  mips-sony-news* )
-    machine=news-risc opsys=newsos5
-  ;;
-
-  ## Stride
-  m68*-stride-sysv* )
-    machine=stride opsys=usg5-2
-  ;;
-
   ## Suns
   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
     machine=sparc opsys=gnu-linux
@@ -984,10 +622,6 @@ dnl see the `changequote' comment above.
     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
     | rs6000-*-solaris2*)
     case "${canonical}" in
-      m68*-sunos1* )	machine=sun1 ;;
-      m68*-sunos2* )	machine=sun2 ;;
-      m68* )		machine=sun3 ;;
-      i[3456]86-sun-sunos[34]* )	machine=sun386 ;;
       i[3456]86-*-* )     machine=intel386 ;;
       amd64-*-*|x86_64-*-*)	machine=amdx86-64 ;;
       powerpcle* )      machine=powerpcle ;;
@@ -996,26 +630,6 @@ dnl see the `changequote' comment above.
       * )		unported=yes ;;
     esac
     case "${canonical}" in
-      ## The Sun386 didn't get past 4.0.
-      i[3456]86-*-sunos4	  ) opsys=sunos4-0 ;;
-      *-sunos4.0*	  ) opsys=sunos4-0 ;;
-      *-sunos4.1.[3-9]*noshare )
-		## This name is sunos413 instead of sunos4-1-3
-		## to avoid a file name conflict on MSDOS.
-		opsys=sunos413
-		NON_GNU_CPP=/usr/lib/cpp
-		NON_GCC_TEST_OPTIONS=-Bstatic
-		GCC_TEST_OPTIONS=-static
-		;;
-      *-sunos4.1.[3-9]* | *-sunos4shr*)
-		opsys=sunos4shr
-		NON_GNU_CPP=/usr/lib/cpp
-		;;
-      *-sunos4* | *-sunos )
-		opsys=sunos4-1
-		NON_GCC_TEST_OPTIONS=-Bstatic
-		GCC_TEST_OPTIONS=-static
-		;;
       *-sunos5.3* | *-solaris2.3* )
 		opsys=sol2-3
 		NON_GNU_CPP=/usr/ccs/lib/cpp
@@ -1058,50 +672,11 @@ dnl see the `changequote' comment above.
     machine=sparc opsys=nextstep
   ;;
 
-  ## Tadpole 68k
-  m68*-tadpole-sysv* )
-    machine=tad68k opsys=usg5-3
-  ;;
-
-  ## Tahoe machines
-  tahoe-tahoe-bsd4.2* )
-    machine=tahoe opsys=bsd4-2
-  ;;
-  tahoe-tahoe-bsd4.3* )
-    machine=tahoe opsys=bsd4-3
-  ;;
-
   ## Tandem Integrity S2
   mips-tandem-sysv* )
     machine=tandem-s2 opsys=usg5-3
   ;;
 
-  ## Tektronix XD88
-  m88k-tektronix-sysv3* )
-  machine=tekxd88 opsys=usg5-3
-  ;;
-
-  ## Tektronix 16000 box (6130?)
-  ns16k-tektronix-bsd* )
-    machine=ns16000 opsys=bsd4-2
-  ;;
-  ## Tektronix 4300
-  ## src/m/tek4300.h hints that this is a m68k machine.
-  m68*-tektronix-bsd* )
-    machine=tek4300 opsys=bsd4-3
-  ;;
-
-  ## Titan P2 or P3
-  ## We seem to have lost the machine-description file titan.h!
-  titan-titan-sysv* )
-    machine=titan opsys=usg5-3
-  ;;
-
-  ## Ustation E30 (SS5E)
-  m68*-unisys-uniplus* )
-    machine=ustation opsystem=unipl5-2
-  ;;
-
   ## Vaxen.
   vax-dec-* )
     machine=vax
@@ -1116,18 +691,6 @@ dnl see the `changequote' comment above.
     esac
   ;;
 
-  ## Whitechapel MG1
-  ns16k-whitechapel-* )
-    machine=mg1
-    ## We don't know what sort of OS runs on these; we'll let the
-    ## operating system guessing code below try.
-  ;;
-
-  ## Wicat
-  m68*-wicat-sysv* )
-    machine=wicat opsys=usg5-2
-  ;;
-
   ## IA-64
   ia64*-*-linux* )
     machine=ia64 opsys=gnu-linux
@@ -1141,24 +704,8 @@ dnl see the `changequote' comment above.
       *-darwin* )               opsys=darwin
                                 CPP="${CC-cc} -E -no-cpp-precomp"
  				;;
-      *-isc1.* | *-isc2.[01]* )	opsys=386-ix ;;
-      *-isc2.2* )		opsys=isc2-2 ;;
-      *-isc4.0* )		opsys=isc4-0 ;;
-      *-isc4.* )		opsys=isc4-1
-				GCC_TEST_OPTIONS=-posix
-				NON_GCC_TEST_OPTIONS=-Xp
-				;;
-      *-isc* )			opsys=isc3-0 ;;
-      *-esix5* )		opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
-      *-esix* )			opsys=esix ;;
       *-xenix* )		opsys=xenix ;;
       *-linux-gnu* )		opsys=gnu-linux ;;
-      *-sco3.2v4* )		opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
-      *-sco3.2v5* )		opsys=sco5
-				NON_GNU_CPP=/lib/cpp
-				# Prevent -belf from being passed to $CPP.
-				# /lib/cpp does not accept it.
-				OVERRIDE_CPPFLAGS=" "
 				;;
       *-sysv4.2uw* )	  	opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
       *-sysv5uw* )	  	opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
@@ -1186,11 +733,6 @@ dnl see the `changequote' comment above.
     RANLIB="ar -ts"
   ;;
 
-  ## UXP/V
-  f301-fujitsu-uxpv4.1)
-    machine=f301 opsys=uxpv
-  ;;
-
   ## AMD x86-64 Linux-based GNU system
   x86_64-*-linux-gnu* )
     machine=amdx86-64 opsys=gnu-linux
@@ -3388,9 +2930,9 @@ typedef unsigned size_t;
 #  ifndef GC_SETJMP_WORKS
   /* GC_SETJMP_WORKS is nearly always appropriate for GCC --
      see NON_SAVING_SETJMP in the target descriptions.  */
-  /* Exceptions (see NON_SAVING_SETJMP in target description) are ns32k,
+  /* Exceptions (see NON_SAVING_SETJMP in target description) are
      SCO5 non-ELF (but Emacs specifies ELF) and SVR3 on x86.
-     Fixme: Deal with ns32k, SVR3.  */
+     Fixme: Deal with SVR3.  */
 #    define GC_SETJMP_WORKS 1
 #  endif
 #  ifndef GC_LISP_OBJECT_ALIGNMENT