*** empty log message ***

29 files changed, 708 insertions, 405 deletions

diff --git a/Makefile.in b/Makefile.in
index 1c7d6dfad9e..ceb8f0e8297 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -14,6 +14,9 @@
 #       This is a very dangerous thing to do!
 # make clean
 #       This is a little less dangerous.
+# make dist
+#       This produces a tar file from the current source tree suitable
+#       for redistribution.
 
 SHELL = /bin/sh
 
@@ -28,65 +31,65 @@ prefix=/usr/local
 
 # Where to install Emacs and other binaries that people will want to
 # run directly (like etags).
-bindir=$(prefix)/bin
+bindir=${prefix}/bin
 
 # A directory under which we will install many of Emacs's files.  The
 # default values for many of the variables below are expressed in
 # terms of this one, so you may not need to change them.
-emacsdir=$(prefix)/emacs-19.0
+emacsdir=${prefix}/emacs-19.0
 
 # Where to install and expect the architecture-independent data files
 # (like the tutorial and the Zippy database).
-datadir=$(emacsdir)/etc
+datadir=${emacsdir}/etc
 
 # Where to install the elisp files distributed with Emacs.  Strictly
 # speaking, all the elisp files should go under datadir (above), since
 # both elisp source and compiled elisp are completely portable, but
 # it's traditional to give the lisp files their own subdirectory.
-lispdir=$(emacsdir)/lisp
+lispdir=${emacsdir}/lisp
 
 # Directories Emacs should search for elisp files specific to this
-# site (i.e. customizations), before consulting $(lispdir).  This
+# site (i.e. customizations), before consulting ${lispdir}.  This
 # should be a colon-separated list of directories.
-locallisppath=$(emacsdir)/local-lisp
+locallisppath=${emacsdir}/local-lisp
 
 # Where Emacs will search to find its elisp files.  Before changing
 # this, check to see if your purpose wouldn't better be served by
 # changing locallisppath.  This should be a colon-separated list of
 # directories.
-lisppath=$(locallisppath):$(lispdir)
+lisppath=${locallisppath}:${lispdir}
 
-# Where Emacs will search for its elisp files before dumping.  This is
+# Where Emacs will search for its elisp files while building.  This is
 # only used during the process of compiling Emacs, to help Emacs find
 # its lisp files before they've been installed in their final
 # location.  It's usually identical to lisppath, except that the entry
 # for the directory containing the installed lisp files has been
 # replaced with ../lisp.  This should be a colon-separated list of
 # directories.
-dumplisppath=$(locallisppath):../lisp
+buildlisppath=../lisp
 
 # Where to install and expect the files that Emacs modifies as it
 # runs.  These files are all architecture-independent.  Right now,
 # the only such data is the locking directory.
-statedir=$(emacsdir)
+statedir=${emacsdir}
 
 # Where to create and expect the locking directory, where the Emacs
 # locking code keeps track of which files are currently being edited.
-lockdir=$(statedir)/lock
+lockdir=${statedir}/lock
 
 # Where to install and expect executable files to be run by Emacs
 # rather than directly by users, and other architecture-dependent
 # data.
-libdir=$(emacsdir)/arch-lib
+libdir=${emacsdir}/arch-lib
 
 # Where to install Emacs's man pages.
 mandir=/usr/man/man1
 
 # Where to install and expect the info files describing Emacs.  In the
-# past, this defaulted to a subdirectory of $(prefix)/lib/emacs, but
+# past, this defaulted to a subdirectory of ${prefix}/lib/emacs, but
 # since there are now many packages documented with the texinfo
 # system, it is inappropriate to imply that it is part of Emacs.
-infodir=$(prefix)/info
+infodir=${prefix}/info
 
 
 # ==================== Utility Programs for the Build ====================
@@ -110,22 +113,22 @@ SUBDIR = lib-src src
 
 # Subdirectories to install, and where they'll go.
 COPYDIR = arch-lib etc info lisp
-COPYDESTS = $(libdir) $(datadir) $(infodir) $(lispdir)
+COPYDESTS = ${libdir} ${datadir} ${infodir} ${lispdir}
 
 all:    src/paths.h ${SUBDIR}
 
 removenullpaths=sed -e 's/^://' -e 's/:$$//' -e 's/::/:/'
 
 src/paths.h: Makefile src/paths.h.in
-        lisppath=`echo $(lisppath) | $(removenullpaths)` ;              \
-        dumplisppath=`echo $(dumplisppath) | $(removenullpaths)` ;      \
-        /bin/sed < src/paths.h.in > src/paths.h                 \
+        lisppath=`echo ${lisppath} | ${removenullpaths}` ;              \
+        buildlisppath=`echo ${buildlisppath} | ${removenullpaths}` ;    \
+        /bin/sed < src/paths.h.in > src/paths.h                         \
         -e 's;\(#.*PATH_LOADSEARCH\).*$$;\1 "'$${lisppath}'";'          \
-        -e 's;\(#.*PATH_DUMPLOADSEARCH\).*$$;\1 "'$${dumplisppath}'";'  \
-        -e 's;\(#.*PATH_EXEC\).*$$;\1 "$(libdir)";'                     \
-        -e 's;\(#.*PATH_DATA\).*$$;\1 "$(datadir)";'                    \
-        -e 's;\(#.*PATH_LOCK\).*$$;\1 "$(lockdir)/";'                   \
-        -e 's;\(#.*PATH_SUPERLOCK\).*$$;\1 "$(lockdir)/!!!SuperLock!!!";'
+        -e 's;\(#.*PATH_DUMPLOADSEARCH\).*$$;\1 "'$${buildlisppath}'";' \
+        -e 's;\(#.*PATH_EXEC\).*$$;\1 "${libdir}";'                     \
+        -e 's;\(#.*PATH_DATA\).*$$;\1 "${datadir}";'                    \
+        -e 's;\(#.*PATH_LOCK\).*$$;\1 "${lockdir}/";'                   \
+        -e 's;\(#.*PATH_SUPERLOCK\).*$$;\1 "${lockdir}/!!!SuperLock!!!";'
 
 src:    lib-src
 
@@ -274,3 +277,6 @@ TAGS tags:	lib-src
 
 check:
         @echo "We don't have any tests for GNU Emacs yet."
+
+dist:
+        make-dist
diff --git a/build-ins.in b/build-ins.in
index d23a1b28e80..0769f528ef0 100755
--- a/build-ins.in
+++ b/build-ins.in
@@ -18,21 +18,37 @@ bindir=${prefix}/bin
 # A directory under which we will install many of Emacs's files.  The
 # default values for many of the variables below are expressed in
 # terms of this one, so you may not need to change them.
-emacsdir=${prefix}/lib/emacs-19.0
+emacsdir=${prefix}/emacs-19.0
 
 # Where to install and expect the architecture-independent data files
-# (like the tutorial and the zippy database).
+# (like the tutorial and the Zippy database).
 datadir=${emacsdir}/etc
 
-# Where to install the elisp files distributed with Emacs.
+# Where to install the elisp files distributed with Emacs.  Strictly
+# speaking, all the elisp files should go under datadir (above), since
+# both elisp source and compiled elisp are completely portable, but
+# it's traditional to give the lisp files their own subdirectory.
 lispdir=${emacsdir}/lisp
 
-# Where Emacs will search to find its elisp files.  This should be a
-# colon-separated list of directories.  Strictly speaking, all the
-# elisp files should go under datadir (above), since both elisp source
-# and compiled elisp are completely portable, but it's traditional to
-# give the lisp files their own subdirectory.
-lisppath=${emacsdir}/local-lisp:${lispdir}
+# Directories Emacs should search for elisp files specific to this
+# site (i.e. customizations), before consulting ${lispdir}.  This
+# should be a colon-separated list of directories.
+locallisppath=${emacsdir}/local-lisp
+
+# Where Emacs will search to find its elisp files.  Before changing
+# this, check to see if your purpose wouldn't better be served by
+# changing locallisppath.  This should be a colon-separated list of
+# directories.
+lisppath=${locallisppath}:${lispdir}
+
+# Where Emacs will search for its elisp files before dumping.  This is
+# only used during the process of compiling Emacs, to help Emacs find
+# its lisp files before they've been installed in their final
+# location.  It's usually identical to lisppath, except that the entry
+# for the directory containing the installed lisp files has been
+# replaced with ../lisp.  This should be a colon-separated list of
+# directories.
+dumplisppath=../lisp
 
 # Where to install and expect the files that Emacs modifies as it
 # runs.  These files are all architecture-independent.  Right now,
@@ -57,46 +73,17 @@ mandir=/usr/man/man1
 # system, it is inappropriate to imply that it is part of Emacs.
 infodir=${prefix}/info
 
-scum
-
-
-# Where to install all of Emacs's data files - the lisp code,
-# documentation tree, and the architecture-dependent and -independent
-# libaries.  The default definitions for the variables below are
-# expressed in terms of this one, so you may not need to change them.
-# set LIBROOT=/usr/local/lib/emacs-19.0
-emacsdir=/u/src/emacs/19.0
-
-# Emacs will search this path to find its elisp files.  This should be
-# a colon-separated list of directories.  Strictly speaking, all the
-# elisp files should go under DATADIR (below), since both elisp source
-# and compiled elisp are completely portable, but it's traditional to
-# give the lisp files their own subdirectory.
-LISPPATH=/u/src/emacs/19.0/local-lisp:/u/src/emacs/19.0/lisp
-
-# Emacs will look here for its architecture-independent files (like
-# the tutorial and the zippy database).
-DATADIR=/u/src/emacs/19.0/etc
-
-# Emacs will look here for its architecture-dependent files, like
-# executables for its utilities.
-LIBDIR=/u/src/emacs/19.0/arch-lib
-
-# The locking directory, where the Emacs locking code keeps track of
-# which files are currently being edited.
-# set LOCKDIR=${LIBROOT}/lock
-LOCKDIR=/u/src/emacs/19.0/lock
-
-# This is where build-install should place the binaries people will
-# want to run directly (like etags and Emacs itself).
-BINDIR=/usr/local/bin
-
-/bin/sed < src/paths.h.in > src/paths.h                 \
--e 's;\(#.*PATH_LOADSEARCH\).*$;\1 "${lisppath}";'              \
--e 's;\(#.*PATH_EXEC\).*$;\1 "${libdir}";'                      \
--e 's;\(#.*PATH_DATA\).*$;\1 "${datadir}";'                     \
--e 's;\(#.*PATH_LOCK\).*$;\1 "${lockdir}/";'                    \
--e 's;\(#.*PATH_SUPERLOCK\).*$;\1 "${lockdir}/!!!SuperLock!!!";'
+removenullpaths="sed -e 's/^://' -e 's/:"'$'"//' -e 's/::/:/'"
+
+lisppath=`echo ${lisppath} | ${removenullpaths}` ;              \
+dumplisppath=`echo ${dumplisppath} | ${removenullpaths}` ;      \
+/bin/sed < src/paths.h.in > src/paths.h                         \
+-e 's;\(#.*PATH_LOADSEARCH\).*$$;\1 "'$${lisppath}'";'          \
+-e 's;\(#.*PATH_DUMPLOADSEARCH\).*$$;\1 "'$${dumplisppath}'";'  \
+-e 's;\(#.*PATH_EXEC\).*$$;\1 "${libdir}";'                     \
+-e 's;\(#.*PATH_DATA\).*$$;\1 "${datadir}";'                    \
+-e 's;\(#.*PATH_LOCK\).*$$;\1 "${lockdir}/";'                   \
+-e 's;\(#.*PATH_SUPERLOCK\).*$$;\1 "${lockdir}/!!!SuperLock!!!";'
 
 (cd lib-src; make) || exit 1
 (cd src; make) || exit 1
diff --git a/configure1.in b/configure1.in
index cc02b2e9b00..e75009351f1 100755
--- a/configure1.in
+++ b/configure1.in
@@ -33,11 +33,14 @@ progname=$0
 short_usage="Type \`${progname} -usage' for more information about options."
 
 usage_message="Usage: ${progname} MACHINENAME [-OPTION[=VALUE] ...]
+
+This message needs to be updated.
+
 Set compilation and installation parameters for GNU Emacs, and report.
 MACHINENAME is the machine to build for.  See \`etc/MACHINES'.
 Options are:
   -opsystem=SYSTEM - operating system to build for; see \`etc/MACHINES'.
-  -libroot=DIR - where to install Emacs's library files
+  -prefix=DIR - where to install Emacs's library files
 These options have reasonable defaults (in []s), and may not be needed:
   -g, -O - Passed to the compiler.  If omitted, use -O only.
   -cc=COMPILER - Which compiler to use.  Defaults to gcc if available.
@@ -65,7 +68,8 @@ options=":\
 usage:help:\
 machine:opsystem:\
 g:O:cc:\
-libroot:datadir:libdir:bindir:lisppath:lockdir:\
+prefix:bindir:emacsdir:datadir:lispdir:locallisppath:\
+lisppath:buildlisppath:statedir:lockdir:libdir:mandir:infodir:\
 gnu_malloc:rel_alloc:highpri:lisp_float_type:\
 window_system:have_x_menu:\
 "
@@ -81,7 +85,7 @@ have_x_windows:have_x11:have_x_menu:\
 c_switch_site:sigtype:\
 "
 
-libroot=
+prefix=
 bindir=/usr/local/bin
 gnu_malloc=yes
 lisp_float_type=yes
@@ -96,7 +100,8 @@ window_system=""
 have_x_menu=""
 
 echo "Examining options."
-for arg in $*; do
+while [ $# != 0 ]; do
+  arg="$1"
   case "${arg}" in
     -*)
       # Separate the switch name from the value it's being given.
@@ -107,7 +112,9 @@ for arg in $*; do
           valomitted=no
         ;;
         -* )
-          # If FOO is a boolean argument, -FOO is equivalent to -FOO=yes.
+          # If FOO is a boolean argument, -FOO is equivalent to
+          # -FOO=yes.  Otherwise, the value comes from the next
+          # argument - see below.
           opt=`echo ${arg} | sed 's:^-\(.*\)$:\1:'`
           val="yes"
           valomitted=yes
@@ -159,10 +166,13 @@ for arg in $*; do
         ;;
         *)
           if [ "${valomitted}" = "yes" ]; then
-            (echo "${progname}: You must give a value for the \`-${opt}' option, as in
-  \`-${opt}=FOO'."
-             echo "${short_usage}") | more
-            exit 1
+            if [ $# = 1 ]; then
+              (echo "${progname}: You must give a value for the \`-${opt}' option, as in
+    \`-${opt}=FOO'."
+               echo "${short_usage}") | more
+              exit 1
+            fi
+            shift; val="$1"
           fi
         ;;
       esac
@@ -173,6 +183,7 @@ for arg in $*; do
       machine=${arg}
     ;;
   esac
+  shift
 done
 
 if [ "${machine}" = "" ]; then
@@ -241,9 +252,52 @@ systems that Emacs has been ported to." 1>&2
   fi
 fi
 
-if [ "${libroot}" = "" ]; then
-  echo "Guessing library directory."
-  libroot=`/bin/pwd`
+if [ ! "${prefix}" ]; then
+  prefix="/usr/local"
+fi
+
+if [ ! "${emacsdir}" ]; then
+  emacsdir="${prefix}/emacs-19.0"
+fi
+
+if [ ! "${datadir}" ]; then
+  datadir="${emacsdir}/etc"
+fi
+
+if [ ! "${lispdir}" ]; then
+  lispdir="${emacsdir}/lisp"
+fi
+
+if [ ! "${locallisppath}" ]; then
+  locallisppath="${emacsdir}/local-lisp"
+fi
+
+if [ ! "${lisppath}" ]; then
+  lisppath="${locallisppath}:${lispdir}"
+fi
+
+if [ ! "${buildlisppath}" ]; then
+  buildlisppath=../lisp
+fi
+
+if [ ! "${statedir}" ]; then
+  statedir="${emacsdir}"
+fi
+
+if [ ! "${lockdir}" ]; then
+  lockdir="${statedir}/lock"
+fi
+
+if [ "${libdir}" = "" ]; then
+  libdir="${emacsdir}/arch-lib"
+fi
+
+if [ ! "${mandir}" ]; then
+  mandir="/usr/man/man1"
+fi
+
+if [ ! "${infodir}" ]; then
+  infodir="${prefix}/info"
 fi
 
 echo "Checking window system."
@@ -279,39 +333,10 @@ case "${window_system}" in
   ;;
 esac
 
-# What is the return type of a signal handler?  We grep
-# /usr/include/signal.h for the declaration of the signal function.
-# Yuck.
-echo "Looking for return type of signal handler functions."
-if [ -r /usr/include/signal.h ]; then
-  sigpattern='[         ]*([    ]*\*[   ]*signal[       ]*('
-  sigtype=void
-  if grep -s "int${sigpattern}" /usr/include/signal.h; then
-    sigtype=int
-  fi
-fi
-
-
 if [ "${have_x_menu}" = "" ]; then
   have_x_menu=no
 fi
 
-if [ "${lisppath}" = "" ]; then
-  lisppath='$(locallisppath):$(lispdir)'
-fi
-
-if [ "${datadir}" = "" ]; then
-  datadir='$(emacsdir)/etc'
-fi
-
-if [ "${libdir}" = "" ]; then
-  libdir='$(emacsdir)/arch-lib'
-fi
-
-if [ "${lockdir}" = "" ]; then
-  lockdir='$(statedir)/lock'
-fi
-
 echo "Checking for GCC."
 case "${cc}" in
   "" )
@@ -328,11 +353,53 @@ case "${cc}" in
   ;;
 esac
 
-case "${O},${g},${cc}" in
-  ,,gcc ) O=yes; g=yes ;;
-  ,,*   ) O=yes; g=no  ;;
+case "${cc}" in
+  "gcc" )
+    # With GCC, both O and g should default to yes, no matter what
+    # the other is.
+    case "${O},${g}" in
+      ,  ) O=yes; g=yes ;;
+      ,* ) O=yes;       ;;
+      *, )        g=yes ;;
+    esac
+  ;;
+  "*" )
+    # With other compilers, treat them as mutually exclusive,
+    # defaulting to debug.
+    case "${O},${g}" in
+      ,    ) O=no ; g=yes ;;
+      ,no  ) O=yes;       ;;
+      ,yes ) O=no ;       ;;
+      no,  )        g=yes ;;
+      yes, )        g=no  ;;
+    esac
+  ;;
 esac
 
+# What is the return type of a signal handler?  We run
+# /usr/include/signal.h through cpp and grep for the declaration of
+# the signal function.  Yuck.
+echo "Looking for return type of signal handler functions."
+signal_h_file=''
+if [ -r /usr/include/signal.h ]; then
+  signal_h_file=/usr/include/signal.h
+elif [ -r /usr/include/sys/signal.h ]; then
+  signal_h_file=/usr/include/sys/signal.h
+fi
+sigtype=void
+if [ "${signal_h_file}" ]; then
+  sigpattern='[         ]*([    ]*\*[   ]*signal[       ]*('
+
+  # We make a symbolic link whose name ends in .c, so the compiler
+  # won't complain about having only been given a .h file.
+  tempcname="configure.tmp.$$.c"
+  ln -s ${signal_h_file}  ${tempcname}
+  if ${cc} -E ${tempcname} | grep "int${sigpattern}" > /dev/null; then
+    sigtype=int
+  fi
+  rm ${tempcname}
+fi
+
 echo "Examining the machine- and system-dependent files to find out"
 echo " - which libraries the lib-src programs will want, and"
 echo " - whether the GNU malloc routines are usable."
@@ -345,14 +412,16 @@ echo '#include "src/'${machfile}'"
 #ifndef LIBS_SYSTEM
 #define LIBS_SYSTEM
 #endif
-libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
+@configure@ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
 #ifdef SYSTEM_MALLOC
-system_malloc=yes
+@configure@ system_malloc=yes
 #else
-system_malloc=no
+@configure@ system_malloc=no
 #endif
 ' > ${tempcname}
-eval `${cc} -E ${tempcname} | grep -v '^#' | grep -v '^[        ]*$'`
+eval `${cc} -E ${tempcname} \
+      | grep '@configure@' \
+      | sed -e 's/^@configure@//'`
 rm ${tempcname}
 
 # Do the opsystem or machine files prohibit the use of the GNU malloc?
@@ -383,7 +452,8 @@ esac
 sed_flags="-e 's:@machine@:${machfile}:'"
 sed_flags="${sed_flags} -e 's:@opsystem@:${opsysfile}:'"
 for flag in `echo ${config_h_opts} | tr ':' ' '`; do
-  cflagname=`echo ${flag} | tr a-z A-Z`
+  cflagname=`echo ${flag} \
+             | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
   val=`eval echo '$'${flag}`
   case ${val} in
     no | "")
@@ -411,12 +481,20 @@ rm -f ./Makefile
 # editing \`./Makefile.in' itself, or running \`${progname}' instead."
  /bin/sed < Makefile.in                                 \
  -e '/^# DIST: /d'                                      \
- -e 's;^\(emacsdir=\).*$;\1'"${libroot};"               \
+ -e 's;^\(prefix=\).*$;\1'"${prefix};"                  \
  -e 's;^\(bindir=\).*$;\1'"${bindir};"                  \
- -e 's;^\(lisppath=\).*$;\1'"${lisppath};"              \
+ -e 's;^\(emacsdir=\).*$;\1'"${emacsdir};"              \
  -e 's;^\(datadir=\).*$;\1'"${datadir};"                \
+ -e 's;^\(lispdir=\).*$;\1'"${lispdir};"                \
+ -e 's;^\(locallisppath=\).*$;\1'"${locallisppath};"    \
+ -e 's;^\(lisppath=\).*$;\1'"${lisppath};"              \
+ -e 's;^\(buildlisppath=\).*$;\1'"${buildlisppath};"    \
+ -e 's;^\(statedir=\).*$;\1'"${statedir};"              \
  -e 's;^\(lockdir=\).*$;\1'"${lockdir};"                \
- -e 's;^\(libdir=\).*$;\1'"${libdir};") > ./Makefile
+ -e 's;^\(libdir=\).*$;\1'"${libdir};"                  \
+ -e 's;^\(mandir=\).*$;\1'"${mandir};"                  \
+ -e 's;^\(infodir=\).*$;\1'"${infodir};"                \
+) > ./Makefile
 # Remind people not to edit this.
 chmod -w ./Makefile
 
@@ -427,12 +505,12 @@ rm -f ./build-install
 # If you are thinking about editing it, you should seriously consider
 # editing \`./build-install.in' itself, or running \`${progname}' instead."
  /bin/sed < build-install.in                            \
- -e 's;^\(LIBROOT=\).*$;\1'"${libroot};"                \
- -e 's;^\(BINDIR=\).*$;\1'"${bindir};"                  \
- -e 's;^\(LISPPATH=\).*$;\1'"${lisppath};"              \
- -e 's;^\(DATADIR=\).*$;\1'"${datadir};"                \
- -e 's;^\(LOCKDIR=\).*$;\1'"${lockdir};"                \
- -e 's;^\(LIBDIR=\).*$;\1'"${libdir};") > ./build-install
+ -e 's;^\(prefix=\).*$;\1'"${prefix};"                  \
+ -e 's;^\(bindir=\).*$;\1'"${bindir};"                  \
+ -e 's;^\(lisppath=\).*$;\1'"${lisppath};"              \
+ -e 's;^\(datadir=\).*$;\1'"${datadir};"                \
+ -e 's;^\(lockdir=\).*$;\1'"${lockdir};"                \
+ -e 's;^\(libdir=\).*$;\1'"${libdir};") > ./build-install
 # Remind people not to edit this.
 chmod -w build-install
 chmod +x build-install
@@ -463,6 +541,11 @@ chmod -w lib-src/Makefile
 
 
 # Create a verbal description of what we have done.
+if [ "${highpri}" ]; then
+  desc_highpri="${highpri}"
+else
+  desc_highpri="none"
+fi
 message="# Configured for machine \`${machine}' running \`${opsystem}'.
 # The following values have been set in ./Makefile and ./build-install:
 #   Executables will be placed in
@@ -477,7 +560,7 @@ message="# Configured for machine \`${machine}' running \`${opsystem}'.
 #   Emacs will keep track of file-locking in
 #         ${lockdir}.
 # The following values have been set in src/config.h:
-#   At how much higher than normal priority should Emacs run? ${highpri-none}
+#   At how much higher than normal priority should Emacs run? ${desc_highpri}
 #   Should Emacs use the GNU version of malloc?             ${gnu_malloc}${gnu_malloc_reason}
 #   Should Emacs use the relocating allocator for buffers?  ${rel_alloc}
 #   Should Emacs support a floating point Elisp type?       ${lisp_float_type}
@@ -511,7 +594,8 @@ echo "'${progname}' \\
         -gnu_malloc='${gnu_malloc}' \\
         -rel_alloc='${rel_alloc}' \\
         -highpri='${highpri}' \\
-        -lisp_float_type='${lisp_float_type}'" >> config.status
+        -lisp_float_type='${lisp_float_type}' \\
+        $@" >> config.status
 # Remind people not to edit this.
 chmod -w config.status
 chmod +x config.status
diff --git a/etc/MACHINES b/etc/MACHINES
index 3e7796021fe..724c95f0797 100644
--- a/etc/MACHINES
+++ b/etc/MACHINES
@@ -82,12 +82,12 @@ System V rel 4 (-opsystem=usg5-4)
   The standard C preprocessor generate xmakefile incorrectly.  However,
   /lib/cpp will work, so use `make CPP=/lib/cpp'.
 
-  Versions 3 and earlier of V.4, on the Intel 386 and 860, had problems
-  in the X11 libraries.  These prevent Emacs from working with X.
-  You can use Emacs with X provided your copy of X is based on X11
-  release 4 or newer.  Unfortunately, the only way you can tell whether
-  your X11 library is new enough is to try compiling Emacs to use X.
-  If xemacs runs, your X11 library is new enough.
+  Versions 3 and earlier of V.4, on the Intel 386 and 860, had
+  problems in the X11 libraries.  These prevent Emacs from working
+  with X.  You can use Emacs with X provided your copy of X is based
+  on X11 release 4 or newer.  Unfortunately, the only way you can tell
+  whether your X11 library is new enough is to try compiling Emacs to
+  use X.  If xemacs runs, your X11 library is new enough.
 
   In this context, GSV4 and GSV4i are alternate names for X11R4.
   OL2.* is X11R3 based.  OL3 is in between X11R3 and X11R4, and may or
diff --git a/lib-src/etags.c b/lib-src/etags.c
index fed3f584eff..69d29109b69 100644
--- a/lib-src/etags.c
+++ b/lib-src/etags.c
@@ -1,5 +1,5 @@
 /* Tags file maker to go with GNU Emacs
-   Copyright (C) 1984, 1987, 1988, 1989 Free Software Foundation, Inc. and Ken Arnold
+   Copyright (C) 1984, 1987, 1988, 1989, 1992 Free Software Foundation, Inc. and Ken Arnold
 
 This file is part of GNU Emacs.
 
@@ -31,6 +31,8 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include <sys/types.h>
 #include <sys/stat.h>
 
+#include "getopt.h"
+
 #ifdef  __GNUC__
 #define alloca  __builtin_alloca
 #else
@@ -410,6 +412,12 @@ DEFINEST definedef;
 #define LEVEL_OK_FOR_FUNCDEF()                                  \
         (level==0 || c_ext && level==1 && structdef==sinbody)
 
+/*
+ * next_token_is_func
+ *      set this to TRUE, and the next token considered is called a function.
+ */
+logical next_token_is_func;
+
 /* C extensions.  Currently all listed extensions are C++ dialects, so
  * `c_ext' is used as an abbreviation for `c_ext&C_PLPL'.  If a non-C++
  * dialect is added, this must change.
@@ -436,7 +444,6 @@ char *curfile,			/* current input file name		*/
  *intk = "ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz$0123456789",    /* valid in-token chars                 */
  *notgd = ",;";                 /* non-valid after-function chars       */
 
-int file_num;                   /* current file number                  */
 int append_to_tagfile;          /* -a: append to tags */
 int emacs_tags_format;          /* emacs style output (no -e option any more) */
 /* The following three default to 1 for etags, but to 0 for ctags.  */
@@ -458,6 +465,27 @@ int noindentypedefs;		/* -S: ignore indentation in C */
 /* Name this program was invoked with.  */
 char *progname;
 
+struct option longopts[] = {
+  { "append",                   no_argument,       NULL, 'a' },
+  { "backward-search",          no_argument,       NULL, 'B' }, 
+  { "c++",                      no_argument,       NULL, 'C' },
+  { "cxref",                    no_argument,       NULL, 'x' },
+  { "defines",                  no_argument,       NULL, 'd' },
+  { "forward-search",           no_argument,       NULL, 'F' }, 
+  { "help",                     no_argument,       NULL, 'H' },
+  { "ignore-indentation",       no_argument,       NULL, 'S' },
+  { "include",                  required_argument, NULL, 'i' },
+  { "no-defines",               no_argument,       NULL, 'D' },
+  { "no-warn",                  no_argument,       NULL, 'w' },
+  { "output",                   required_argument, NULL, 'o' },
+  { "typedefs",                 no_argument,       NULL, 't' },
+  { "typedefs-and-c++",         no_argument,       NULL, 'T' },
+  { "update",                   no_argument,       NULL, 'u' }, 
+  { "version",                  no_argument,       NULL, 'V' },
+  { "vgrind",                   no_argument,       NULL, 'v' }, 
+  { 0 }
+};
+
 FILE *inf,                      /* ioptr for current input file         */
  *outf;                         /* ioptr for tags file                  */
 
@@ -481,13 +509,118 @@ struct linebuffer filename_lb;	/* used to read in filenames */
 
 
 void
+print_version ()
+{
+#ifdef CTAGS
+  printf ("CTAGS ");
+#ifdef ETAGS
+  printf ("and ");
+#endif
+#endif
+#ifdef ETAGS
+  printf ("ETAGS ");
+#endif
+  printf ("for Emacs version 19.0.\n");
+
+  exit (0);
+}
+
+void
+print_help ()
+{
+  printf ("These are the options accepted by %s.  You may use unambiguous\n\
+abbreviations for the long option names.\n\n", progname);
+
+  fputs ("\
+-a, --append\n\
+        Append tag entries to existing tags file.\n\
+-C, --c++\n\
+        Treat files with `.c' and `.h' extensions as C++ code, not C\n\
+        code.  Files with `.C', `.H', `.cxx', `.hxx', or `.cc'\n\
+        extensions are always assumed to be C++ code.\n\
+-d, --defines\n\
+        Create tag entries for #defines, too.", stdout);
+
+#ifdef ETAGS
+  fputs ("  This is the default\n\
+        behavior.", stdout);
+#endif
+
+  fputs ("\n\
+-D, --no-defines\n\
+        Don't create tag entries for #defines.", stdout);
+
+#ifdef CTAGS
+  fputs ("  This is the default\n\
+        behavior.", stdout);
+#endif
+
+  puts ("\n\
+-o FILE, --output=FILE\n\
+        Write the tags to FILE.\n\
+-S, --ignore-indentation\n\
+        Don't rely on indentation quite as much as normal.  Currently,\n\
+        this means not to assume that a closing brace in the first\n\
+        column is the final brace of a function or structure\n\
+        definition.\n\
+-t, --typedefs\n\
+        Generate tag entries for typedefs.  This is the default\n\
+        behavior.\n\
+-T, --typedefs-and-c++\n\
+        Generate tag entries for typedefs, struct/enum/union tags, and\n\
+        C++ member functions.");
+
+#ifdef ETAGS
+  puts ("-i FILE, --include=FILE\n\
+        Include a note in tag file indicating that, when searching for\n\
+        a tag, one should also consult the tags file FILE after\n\
+        checking the current file.");
+#endif
+
+#ifdef CTAGS
+  puts ("-B, --backward-search\n\
+        Write the search commands for the tag entries using '?', the\n\
+        backward-search command.\n\
+-F, --forward-search\n\
+        Write the search commands for the tag entries using '/', the\n\
+        forward-search command.\n\
+-u, --update\n\
+        Update the tag entries for the given files, leaving tag\n\
+        entries for other files in place.  Currently, this is\n\
+        implemented by deleting the existing entries for the given\n\
+        files and then rewriting the new entries at the end of the\n\
+        tags file.  It is often faster to simply rebuild the entire\n\
+        tag file than to use this.\n\
+-v, --vgrind\n\
+        Generates an index of items intended for human consumption,\n\
+        similar to the output of vgrind.  The index is sorted, and\n\
+        gives the page number of each item.\n\
+-x, --cxref\n\
+        Like --vgrind, but in the style of cxref, rather than vgrind.\n\
+        The output uses line numbers instead of page numbers, but\n\
+        beyond that the differences are cosmetic; try both to see\n\
+        which you like.\n\
+-w, --no-warn\n\
+        Suppress warning messages about entries defined in multiple\n\
+        files.");
+#endif
+
+  puts ("-V, --version\n\
+        Print the version of the program.\n\
+-H, --help\n\
+        Print this help message.");
+
+  exit (0);
+}
+
+
+void
 main (argc, argv)
      int argc;
      char *argv[];
 {
   char cmd[100];
   int i;
-  int outfflag = 0;
   unsigned int nincluded_files = 0;
   char **included_files = (char **) alloca (argc * sizeof (char *));
   char *this_file;
@@ -513,116 +646,109 @@ main (argc, argv)
   if (emacs_tags_format)
     typedefs = typedefs_and_cplusplus = constantypedefs = 1;
 
-  for (; argc > 1 && argv[1][0] == '-' && argv[1][1] != '\0'; argc--, argv++)
+  for (;;)
     {
-      for (i = 1; argv[1][i]; i++)
+      int opt;
+      opt = getopt_long (argc, argv, "aCdDo:StTi:BFuvxwVH", longopts, 0);
+
+      if (opt == EOF)
+        break;
+
+      switch (opt)
         {
-          switch (argv[1][i])
+        case '\0':
+          /* If getopt returns '\0', then it has already processed a
+             long-named option.  We should do nothing.  */
+          break;
+
+          /* Common options. */
+        case 'a':
+          append_to_tagfile++;
+          break;
+        case 'C':
+          cplusplus = 1;
+          break;
+        case 'd':
+          constantypedefs = 1;
+          break;
+        case 'D':
+          constantypedefs = 0;
+          break;
+        case 'o':
+          if (outfile)
             {
-              /* Common options. */
-            case 'a':
-              append_to_tagfile++;
-              break;
-            case 'C':
-              cplusplus = 1;
-              break;
-            case 'd':
-              constantypedefs = 1;
-              break;
-            case 'D':
-              constantypedefs = 0;
-              break;
-            case 'o':
-              if (outfflag)
-                {
-                  fprintf (stderr,
-                           "%s: -o flag may only be given once\n", progname);
-                  goto usage;
-                }
-              outfflag++, argc--;
-              argv++;
-              if (argc <= 1 || argv[1][0] == '\0')
-                {
-                  fprintf (stderr,
-                           "%s: -o flag must be followed by a filename\n",
-                           progname);
-                  goto usage;
-                }
-              outfile = argv[1];
-              goto next_arg;
-            case 'S':
-              noindentypedefs++;
-              break;
-            case 't':
-              typedefs++;
-              break;
-            case 'T':
-              typedefs++;
-              typedefs_and_cplusplus++;
-              break;
-
-              /* Etags options */
-            case 'i':
-              if (!emacs_tags_format)
-                goto usage;
-              --argc;
-              ++argv;
-              if (argc <= 1 || argv[1][0] == '\0')
-                {
-                  fprintf (stderr,
-                           "%s: -i flag must be followed by a filename\n",
-                           progname);
-                  goto usage;
-                }
-              included_files[nincluded_files++] = argv[1];
-              goto next_arg;
-
-              /* Ctags options. */
-            case 'B':
-              searchar = '?';
-              if (emacs_tags_format)
-                goto usage;
-              break;
-            case 'F':
-              searchar = '/';
-              if (emacs_tags_format)
-                goto usage;
-              break;
-            case 'u':
-              update++;
-              if (emacs_tags_format)
-                goto usage;
-              break;
-            case 'v':
-              vgrind_style++;
-              /*FALLTHRU*/
-            case 'x':
-              cxref_style++;
-              if (emacs_tags_format)
-                goto usage;
-              break;
-            case 'w':
-              no_warnings++;
-              if (emacs_tags_format)
-                goto usage;
-              break;
-
-            default:
+              fprintf (stderr,
+                       "%s: -o flag may only be given once\n", progname);
               goto usage;
             }
+          outfile = optarg;
+          break;
+        case 'S':
+          noindentypedefs++;
+          break;
+        case 't':
+          typedefs++;
+          break;
+        case 'T':
+          typedefs++;
+          typedefs_and_cplusplus++;
+          break;
+        case 'V':
+          print_version ();
+          break;
+        case 'H':
+          print_help ();
+          break;
+
+          /* Etags options */
+        case 'i':
+          if (!emacs_tags_format)
+            goto usage;
+          included_files[nincluded_files++] = optarg;
+          break;
+
+          /* Ctags options. */
+        case 'B':
+          searchar = '?';
+          if (emacs_tags_format)
+            goto usage;
+          break;
+        case 'F':
+          searchar = '/';
+          if (emacs_tags_format)
+            goto usage;
+          break;
+        case 'u':
+          update++;
+          if (emacs_tags_format)
+            goto usage;
+          break;
+        case 'v':
+          vgrind_style++;
+          /*FALLTHRU*/
+        case 'x':
+          cxref_style++;
+          if (emacs_tags_format)
+            goto usage;
+          break;
+        case 'w':
+          no_warnings++;
+          if (emacs_tags_format)
+            goto usage;
+          break;
+
+        default:
+          goto usage;
         }
-    next_arg:;
     }
 
-  if (argc <= 1)
+  if (optind == argc)
     {
+      fprintf (stderr, "%s: No input files specified.\n", progname);
+
     usage:
-      fprintf (stderr, "Usage:\n");
-#ifndef CTAGS
-      fprintf (stderr, "\tetags [-aDiS] [-o tagsfile] file ...\n");
-#else
-      fprintf (stderr, "\tctags [-aBdeFTStuwvx] [-o tagsfile] file ...\n");
-#endif
+      fprintf (stderr, "%s: Try '%s --help' for a complete list of options.\n",
+               progname, progname);
       exit (BAD);
     }
 
@@ -652,10 +778,10 @@ main (argc, argv)
         }
     }
 
-  file_num = 1;
 #ifdef VMS
-  for (argc--, argv++;
-       (this_file = gfnames (&argc, &argv, &got_err)) != NULL; file_num++)
+  argc -= optind;
+  argv += optind;
+  while (gfnames (&argc, &argv, &got_err) != NULL)
     {
       if (got_err)
         {
@@ -670,9 +796,9 @@ main (argc, argv)
     }                           /* solely to balance out the ifdef'd parens above */
 #endif
 #else
-  for (; file_num < argc; file_num++)
+  for (; optind < argc; optind++)
     {
-      this_file = argv[file_num];
+      this_file = argv[optind];
       if (1)
         {
 #endif
@@ -706,9 +832,11 @@ main (argc, argv)
       put_entries (head);
       exit (GOOD);
     }
-  if (update)                   /* update cannot be set under VMS */
+  if (update)
     {
-      for (i = 1; i < argc; i++)
+      /* update cannot be set under VMS, so we may assume that argc
+         and argv have not been munged.  */
+      for (i = optind; i < argc; i++)
         {
           sprintf (cmd,
                    "mv %s OTAGS;fgrep -v '\t%s\t' OTAGS >%s;rm OTAGS",
@@ -905,7 +1033,9 @@ find_entries (file)
       goto close_and_return;
     }
   /* if not a .c or .h or .y file, try fortran */
-  else if (cp && ((cp[1] != 'c' && cp[1] != 'h' && cp[1] != 'y')
+  else if (cp && ((cp[1] != 'c'
+                   && cp[1] != 'h'
+                   && cp[1] != 'y')
                   || (cp[1] != 0 && cp[2] != 0)))
     {
       if (PF_funcs (inf) != 0)
@@ -1308,6 +1438,8 @@ C_entries (c_ext)
   definedef = dnone;
   gotone = midtoken = inquote = inchar = incomm = FALSE;
   level = 0;
+  tydef = none;
+  next_token_is_func = 0;
 
   C_create_stabs ();
 
@@ -1316,6 +1448,9 @@ C_entries (c_ext)
       c = *lp++;
       if (c == '\\')
         {
+          /* If we're at the end of the line, the next character is a
+             '\0'; don't skip it, because it's the thing that tells us
+             to read the next line.  */
           if (*lp == 0)
             continue;
           lp++;
@@ -1331,10 +1466,6 @@ C_entries (c_ext)
         }
       else if (inquote)
         {
-          /*
-          * Too dumb to know about \" not being magic, but
-          * they usually occur in pairs anyway.
-          */
           if (c == '"')
             inquote = FALSE;
           continue;
@@ -1569,11 +1700,6 @@ consider_token (c, lpp, tokp, is_func, c_ext, level)
      int level;                 /* IN */
 {
   reg char *lp = *lpp;
-  /*
-   * next_token_is_func
-   *    set this to TRUE, and the next token considered is called a function.
-   */
-  static logical next_token_is_func;
   logical firsttok;             /* TRUE if have seen first token in ()'s */
   Stab_entry *tokse = stab_find (get_C_stab (c_ext), tokp->p, tokp->len);
   enum sym_type toktype = stab_type (tokse);
@@ -1758,10 +1884,18 @@ consider_token (c, lpp, tokp, is_func, c_ext, level)
       goto goodone;
     }
   /* Detect GNUmacs's function-defining macros. */
-  if (definedef == dnone && strneq (tokp->p, "DEF", 3))
+  if (definedef == dnone)
     {
-      next_token_is_func = TRUE;
-      goto badone;
+      if (strneq (tokp->p, "DEF", 3))
+        {
+          next_token_is_func = TRUE;
+          goto badone;
+        }
+      else if (strneq (tokp->p, "EXFUN", 5))
+        {
+          next_token_is_func = FALSE;
+          goto badone;
+        }
     }
   if (next_token_is_func)
     {
diff --git a/lib-src/timer.c b/lib-src/timer.c
index 149625f2995..d7084bfcdc4 100644
--- a/lib-src/timer.c
+++ b/lib-src/timer.c
@@ -105,7 +105,7 @@ void
 getevent()
 
 {
-  extern char *memcpy(), *fgets();
+  extern char *fgets();
   struct event *ep;
   char buf[256];
 
@@ -127,7 +127,7 @@ getevent()
         free((char *)events[slot]), events[slot] = 0;
 
       else {
-        (void)memcpy((char *)events[slot],(char *)ep,sizeof(struct event));
+        memcpy((char *)events[slot],(char *)ep,sizeof(struct event));
         if (slot == mevent) mevent++;
       } /* schedule */
     } /* malloc */
diff --git a/lisp/mail/rmail.el b/lisp/mail/rmail.el
index 347fce775f1..c45f7552aae 100644
--- a/lisp/mail/rmail.el
+++ b/lisp/mail/rmail.el
@@ -99,10 +99,12 @@ Called with region narrowed to unformatted header.")
 (defvar rmail-last-file nil)
 (defvar rmail-last-rmail-file nil)
 
+;;; Regexp matching the delimiter of messages in UNIX mail format
+;;; (UNIX From lines), minus the initial ^.  Note that if you change
+;;; this expression, you must change the code in rmail-nuke-pinhead-header
+;;; that knows the exact ordering of the \\( \\) subexpressions.
 (defvar rmail-unix-mail-delimiter
-  "From \\([^ \n]*\\(\\|\".*\"[^ \n]*\\)\\)  ?\\([^ \n]*\\) \\([^ ]*\\) *\\([0-9]*\\) \\([0-9:]*\\)\\( ?[A-Z]?[A-Z][A-Z]T\\( DST\\)?\\| ?[-+]?[0-9][0-9][0-9][0-9]\\|\\) [0-9][0-9]\\([0-9]*\\) *\\(remote from [^\n]*\\)?\n"
-   "Regexp matching the delimiter of messages in UNIX mail format (UNIX From lines), minus the
-initial ^.  ")
+  "From \\([^ \n]*\\(\\|\".*\"[^ \n]*\\)\\)  ?\\([^ \n]*\\) \\([^ ]*\\) *\\([0-9]*\\) \\([0-9:]*\\)\\( ?[A-Z]?[A-Z][A-Z]T\\( DST\\)?\\| ?[-+]?[0-9][0-9][0-9][0-9]\\|\\) [0-9][0-9]\\([0-9]*\\) *\\(remote from [^\n]*\\)?\n" nil)
 
 ;;;; *** Rmail Mode ***
 
diff --git a/lisp/play/doctor.el b/lisp/play/doctor.el
index 873fc5f5c50..74d6efc4c2d 100644
--- a/lisp/play/doctor.el
+++ b/lisp/play/doctor.el
@@ -1319,7 +1319,7 @@ element pair in RLIST."
 TYPE is number of words preceding KEY to start looking for subject.
 MEM is t if results are to be put on Doctor's memory stack.
 Return in the global variables SUBJ, VERB and OBJECT."
-  (let ((foo (doctor-subjsearch sent key type) sent))
+  (let ((foo (doctor-subjsearch sent key type)))
     (or foo
         (setq foo sent
               mem nil))
diff --git a/lisp/progmodes/compile.el b/lisp/progmodes/compile.el
index d8e8f6e3bd5..48e061c3481 100644
--- a/lisp/progmodes/compile.el
+++ b/lisp/progmodes/compile.el
@@ -19,8 +19,6 @@
 ;; file named COPYING.  Among other things, the copyright notice
 ;; and this notice must be preserved on all copies.
 
-(provide 'compile)
-
 ;;;###autoload
 (defvar compilation-mode-hook nil
   "*List of hook functions run by compilation-mode (see `run-hooks').")
@@ -437,18 +435,30 @@ other kinds of prefix arguments are ignored."
 ;; If compilation-last-buffer is set to a live buffer, use that.
 ;; Otherwise, look for a compilation buffer and signal an error
 ;; if there are none.
-(defun compilation-find-buffer ()
-  (if (compilation-buffer-p (current-buffer))
+(defun compilation-find-buffer (&optional other-buffer)
+  (if (and (not other-buffer)
+           (compilation-buffer-p (current-buffer)))
       ;; The current buffer is a compilation buffer.
       (current-buffer)
-    (if (and compilation-last-buffer (buffer-name compilation-last-buffer))
+    (if (and compilation-last-buffer (buffer-name compilation-last-buffer)
+             (or (not other-buffer) (not (eq compilation-last-buffer
+                                             (current-buffer)))))
         compilation-last-buffer
       (let ((buffers (buffer-list)))
-        (while (and buffers (not (compilation-buffer-p (car buffers))))
+        (while (and buffers (or (not (compilation-buffer-p (car buffers)))
+                                (and other-buffer
+                                     (eq (car buffers) (current-buffer)))))
           (setq buffers (cdr buffers)))
         (if buffers
             (car buffers)
-          (error "No compilation started!"))))))
+          (or (and other-buffer
+                   (compilation-buffer-p (current-buffer))
+                   ;; The current buffer is a compilation buffer.
+                   (progn
+                     (if other-buffer
+                         (message "This is the only compilation buffer."))
+                     (current-buffer)))
+              (error "No compilation started!")))))))
 
 ;;;###autoload
 (defun next-error (&optional argp)
@@ -792,3 +802,5 @@ See variable `compilation-parse-errors-function' for the interface it uses."
   (setq compilation-error-list (nreverse compilation-error-list)))
 
 (define-key ctl-x-map "`" 'next-error)
+
+(provide 'compile)
diff --git a/lisp/startup.el b/lisp/startup.el
index fa81e24b775..3bd20aa9de5 100644
--- a/lisp/startup.el
+++ b/lisp/startup.el
@@ -1,11 +1,11 @@
 ;; Process Emacs shell arguments
-;; Copyright (C) 1985, 1986 Free Software Foundation, Inc.
+;; Copyright (C) 1985, 1986, 1992 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
 ;; GNU Emacs 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 1, or (at your option)
+;; the Free Software Foundation; either version 2, or (at your option)
 ;; any later version.
 
 ;; GNU Emacs is distributed in the hope that it will be useful,
@@ -116,7 +116,9 @@ directory name of the directory where the `.emacs' file was looked for.")
     (setq command-line-processed t)
     ;; In presence of symlinks, switch to cleaner form of default directory.
     (if (and (not (eq system-type 'vax-vms))
-             (getenv "PWD"))
+             (getenv "PWD")
+             (equal (nthcdr 10 (file-attributes default-directory))
+                    (nthcdr 10 (file-attributes (getenv "PWD")))))
         (setq default-directory (file-name-as-directory (getenv "PWD"))))
     (let ((tail directory-abbrev-alist))
       (while tail
diff --git a/make-dist b/make-dist
index db0a5cb62c4..cd2773bd5c7 100755
--- a/make-dist
+++ b/make-dist
@@ -14,12 +14,17 @@ set -e
 # Print out each line we read, for debugging's sake.
 # set -v
 
-cleanup=yes
+clean_up=yes
+make_tar=yes
 
 while [ $# -gt 0 ]; do
   case "$1" in
-    "--no-cleanup" )
-      cleanup=no
+    "--no-clean_up" )
+      clean_up=no
+    ;;
+    "--no-tar" )
+      make_tar=no
+      clean_up=no
     ;;
     * )
       echo "${progname}: Unrecognized argument: $1" >&2
@@ -65,9 +70,10 @@ mkdir ${tempdir}
 
 # We copy in the top-level files before creating the subdirectories in
 # hopes that this will make the top-level files appear first in the
-# tar file.
+# tar file; this means that people can start reading the INSTALL and
+# README while the rest of the tar file is still unpacking.  Whoopee.
 echo "Copying top-level files." 
-ln INSTALL PROBLEMS README ${tempdir}
+ln GETTING.GNU.SOFTWARE INSTALL PROBLEMS README ${tempdir}
 ln ChangeLog Makefile.in build-install.in configure make-dist ${tempdir}
 
 echo "Creating subdirectories."
@@ -174,10 +180,12 @@ for subdir in lisp src lib-src info shortnames; do
   ln -s ../etc/COPYING ${tempdir}/${subdir}
 done
 
-echo "Creating tar file."
-(cd ${tempparent}; tar cvf - ${emacsname}) | compress > ${emacsname}.tar.Z
+if [ "${make_tar}" = yes ]; then
+  echo "Creating tar file."
+  (cd ${tempparent}; tar cvf - ${emacsname}) | compress > ${emacsname}.tar.Z
+fi
 
-if [ "${cleanup}" = yes ]; then
+if [ "${clean_up}" = yes ]; then
   echo "Cleaning up the staging directory."
   rm -rf ${tempparent}
 fi
diff --git a/src/bytecode.c b/src/bytecode.c
index acde450299c..5ab689f1925 100644
--- a/src/bytecode.c
+++ b/src/bytecode.c
@@ -1,11 +1,11 @@
 /* Execution of byte code produced by bytecomp.el.
-   Copyright (C) 1985, 1986, 1987, 1988 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1986, 1987, 1988, 1992 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
 GNU Emacs 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 1, or (at your option)
+the Free Software Foundation; either version 2, or (at your option)
 any later version.
 
 GNU Emacs is distributed in the hope that it will be useful,
@@ -1077,8 +1077,7 @@ If the third argument is incorrect, Emacs may crash.")
           break;
 
         case Bnumberp:
-          TOP = (XTYPE (TOP) == Lisp_Int || XTYPE (TOP) == Lisp_Float
-                 ? Qt : Qnil);
+          TOP = (NUMBERP (TOP) ? Qt : Qnil);
           break;
 
         case Bintegerp:
diff --git a/src/callint.c b/src/callint.c
index ffee0785095..0075ef721dc 100644
--- a/src/callint.c
+++ b/src/callint.c
@@ -408,12 +408,7 @@ Otherwise, this is done only if an arg is read using the minibuffer.")
         case 'n':               /* Read number from minibuffer.  */
           do
             args[i] = Fread_minibuffer (build_string (prompt), Qnil);
-#ifdef LISP_FLOAT_TYPE
-          while (XTYPE (args[i]) != Lisp_Int
-                 && XTYPE (args[i]) != Lisp_Float);
-#else
-          while (XTYPE (args[i]) != Lisp_Int);
-#endif
+          while (! NUMBERP (args[i]));
           visargs[i] = last_minibuf_string;
           break;
 
diff --git a/src/callproc.c b/src/callproc.c
index d22393a2635..68b447d401d 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -200,7 +200,7 @@ If you quit, the process is killed with SIGKILL.")
     env = environ;
 
 #if 0  /* Some systems don't have sigblock.  */
-    mask = sigblock (sigmask (SIGCHLD));
+    EMACS_SIGBLOCK (sigmask (SIGCHLD), mask);
 #endif
 
     /* Record that we're about to create a synchronous process.  */
@@ -511,6 +511,7 @@ This function consults the variable ``process-environment'' for its value.")
    callable from C.  */
 char *
 egetenv (var)
+     char *var;
 {
   char *value;
   int valuelen;
diff --git a/src/editfns.c b/src/editfns.c
index d0db0837591..0ef059aa055 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -1094,20 +1094,24 @@ Use %% to put a single % into the output.")
         /* Would get MPV otherwise, since Lisp_Int's `point' to low memory.  */
         else if (XTYPE (args[n]) == Lisp_Int && *format != 's')
           {
+#ifdef LISP_FLOAT_TYPE
             /* The following loop issumes the Lisp type indicates
                the proper way to pass the argument.
                So make sure we have a flonum if the argument should
                be a double.  */
             if (*format == 'e' || *format == 'f' || *format == 'g')
               args[n] = Ffloat (args[n]);
+#endif
             total += 10;
           }
+#ifdef LISP_FLOAT_TYPE
         else if (XTYPE (args[n]) == Lisp_Float && *format != 's')
           {
             if (! (*format == 'e' || *format == 'f' || *format == 'g'))
               args[n] = Ftruncate (args[n]);
             total += 20;
           }
+#endif
         else
           {
             /* Anything but a string, convert to a string using princ.  */
@@ -1131,6 +1135,7 @@ Use %% to put a single % into the output.")
           /* We checked above that the corresponding format effector
              isn't %s, which would cause MPV.  */
           strings[n] = (unsigned char *) XINT (args[n]);
+#ifdef LISP_FLOAT_TYPE
         else if (XTYPE (args[n]) == Lisp_Float)
           {
             union { double d; int half[2]; } u;
@@ -1139,6 +1144,7 @@ Use %% to put a single % into the output.")
             strings[n++] = (unsigned char *) u.half[0];
             strings[n] = (unsigned char *) u.half[1];
           }
+#endif
         else
           strings[n] = XSTRING (args[n])->data;
       }
diff --git a/src/fileio.c b/src/fileio.c
index ea7f8c6250f..f977ee0c623 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -1,11 +1,11 @@
 /* File IO for GNU Emacs.
-   Copyright (C) 1985, 1986, 1987, 1988 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1986, 1987, 1988, 1992 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
 GNU Emacs 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 1, or (at your option)
+the Free Software Foundation; either version 2, or (at your option)
 any later version.
 
 GNU Emacs is distributed in the hope that it will be useful,
@@ -411,7 +411,7 @@ directory_file_name (src, dst)
   /* Process as Unix format: just remove any final slash.
      But leave "/" unchanged; do not change it to "".  */
   strcpy (dst, src);
-  if (dst[slen - 1] == '/' && slen > 1)
+  if (slen > 1 && dst[slen - 1] == '/')
     dst[slen - 1] = 0;
   return 1;
 }
@@ -2478,7 +2478,7 @@ Auto-saving writes the buffer into a file\n\
 so that your editing is not lost if the system crashes.\n\
 This file is not the file you visited; that changes only when you save.\n\n\
 Non-nil first argument means do not print any message if successful.\n\
-Non-nil second argumet means save only current buffer.")
+Non-nil second argument means save only current buffer.")
   (nomsg)
      Lisp_Object nomsg;
 {
diff --git a/src/floatfns.c b/src/floatfns.c
index 12f14ffef72..ed94c9ebafe 100644
--- a/src/floatfns.c
+++ b/src/floatfns.c
@@ -1,11 +1,11 @@
 /* Primitive operations on floating point for GNU Emacs Lisp interpreter.
-   Copyright (C) 1988 Free Software Foundation, Inc.
+   Copyright (C) 1988, 1992 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
 GNU Emacs 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 1, or (at your option)
+the Free Software Foundation; either version 2, or (at your option)
 any later version.
 
 GNU Emacs is distributed in the hope that it will be useful,
@@ -42,7 +42,7 @@ extern int errno;
 #define sinh(x) ((exp(x)-exp(-x))*0.5)
 #endif /* VMS */
 
-static float_error ();
+static SIGTYPE float_error ();
 
 /* Nonzero while executing in floating point.
    This tells float_error what to do.  */
@@ -60,8 +60,8 @@ static Lisp_Object float_error_arg;
    Handle errors which may result in signals or may set errno.  */
 
 #define IN_FLOAT(D, NUM) \
-(in_float = 1, errno = 0, float_error_arg = NUM, (D),           \
- (errno == ERANGE || errno == EDOM ? float_error () : 0),       \
+(in_float = 1, errno = 0, float_error_arg = NUM, (D),                   \
+ (errno == ERANGE || errno == EDOM ? float_error () : (SIGTYPE) 0),     \
  in_float = 0)
 
 /* Extract a Lisp number as a `double', or signal an error.  */
@@ -498,7 +498,7 @@ Rounds the value toward zero.")
   return num;
 }
 
-static
+static SIGTYPE
 float_error (signo)
      int signo;
 {
diff --git a/src/lisp.h b/src/lisp.h
index 1e5d4bf9365..c7dd07058eb 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -1,11 +1,11 @@
 /* Fundamental definitions for GNU Emacs Lisp interpreter.
-   Copyright (C) 1985, 1986, 1987 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1986, 1987, 1992 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
 GNU Emacs 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 1, or (at your option)
+the Free Software Foundation; either version 2, or (at your option)
 any later version.
 
 GNU Emacs is distributed in the hope that it will be useful,
@@ -506,15 +506,19 @@ typedef unsigned char UCHAR;
 
 /* Data type checking */
 
-#ifdef NULL
-#undef NULL
-#endif
 #define NILP(x)  (XFASTINT (x) == XFASTINT (Qnil))
 
+#ifdef LISP_FLOAT_TYPE
+#define NUMBERP(x) (XTYPE (x) == Lisp_Int || XTYPE (x) == Lisp_Float)
+#else
+#define NUMBERP(x) (XTYPE (x) == Lisp_Int)
+#endif
+
 /* #define LISTP(x) (XTYPE ((x)) == Lisp_Cons)*/
 #define CONSP(x) (XTYPE ((x)) == Lisp_Cons)
 #define EQ(x, y) (XFASTINT (x) == XFASTINT (y))
 
+
 #define CHECK_LIST(x, i) \
   { if ((XTYPE ((x)) != Lisp_Cons) && !NILP (x)) x = wrong_type_argument (Qlistp, (x)); }
 
diff --git a/src/lread.c b/src/lread.c
index 78d578758b0..c3157c8d618 100644
--- a/src/lread.c
+++ b/src/lread.c
@@ -1448,14 +1448,15 @@ init_lread ()
      uses ../lisp, instead of the path of the installed elisp
      libraries.  However, if it appears that Vload_path was changed
      from the default before dumping, don't override that value.  */
-  {
-    Lisp_Object normal_path;
-
-    normal_path = decode_env_path ("", normal);
+  if (initialized)
+    {
+      Lisp_Object dump_path;
 
-    if (
-  if (initialized
-      || EQ (Vload_path, initial_path))
+      dump_path = decode_env_path ("", PATH_DUMPLOADSEARCH);
+      if (! NILP (Fequal (dump_path, Vload_path)))
+        Vload_path = decode_env_path ("", normal);
+    }
+  else
     Vload_path = decode_env_path ("", normal);
 #endif
 
@@ -1487,11 +1488,6 @@ init_lread ()
 
   Vvalues = Qnil;
 
-  if (initialized)
-    initial_path = Qnil;
-  else
-    initial_path = Vload_path;
-
   load_in_progress = 0;
 }
 
diff --git a/src/print.c b/src/print.c
index b65db9aedc6..8ab40735e38 100644
--- a/src/print.c
+++ b/src/print.c
@@ -1,11 +1,11 @@
 /* Lisp object printing and output streams.
-   Copyright (C) 1985, 1986, 1988 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1986, 1988, 1992 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
 GNU Emacs 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 1, or (at your option)
+the Free Software Foundation; either version 2, or (at your option)
 any later version.
 
 GNU Emacs is distributed in the hope that it will be useful,
@@ -566,12 +566,12 @@ Output stream is STREAM, or value of `standard-output' (which see).")
    for the convenience of the debugger.  */
 Lisp_Object Qexternal_debugging_output;
 
-DEFUN ("external-debugging-output",
-       Fexternal_debugging_output, Sexternal_debugging_output,
-       1, 1, 0, "Write CHARACTER to stderr.\n\
+DEFUN ("external-debugging-output", Fexternal_debugging_output, Sexternal_debugging_output, 1, 1, 0,
+  "Write CHARACTER to stderr.\n\
 You can call print while debugging emacs, and pass it this function\n\
 to make it write to the debugging output.\n")
-    (Lisp_Object character)
+  (character)
+     Lisp_Object character;
 {
   CHECK_NUMBER (character, 0);
   putc (XINT (character), stderr);
diff --git a/src/process.c b/src/process.c
index 1bdc27be91b..442cae6d159 100644
--- a/src/process.c
+++ b/src/process.c
@@ -403,7 +403,7 @@ status_message (status)
 }
 
 #ifdef HAVE_PTYS
-static pty_process;
+static int pty_process;
 
 /* Open an available pty, returning a file descriptor.
    Return -1 on failure.
@@ -1803,6 +1803,7 @@ wait_reading_process_input (time_limit, microsecs, read_kbd, do_display)
       if (read_kbd && detect_input_pending ())
         break;
 
+#ifdef SIGIO
       /* If we think we have keyboard input waiting, but didn't get SIGIO
          go read it.  This can happen with X on BSD after logging out.
          In that case, there really is no input and no SIGIO,
@@ -1813,6 +1814,7 @@ wait_reading_process_input (time_limit, microsecs, read_kbd, do_display)
       */
       if (read_kbd && interrupt_input && (FD_ISSET (fileno (stdin), &Available)))
         kill (0, SIGIO);
+#endif
 
 #ifdef vipc
       /* Check for connection from other process */
@@ -2106,12 +2108,14 @@ send_process (proc, buf, len)
     while (len > 0)
       {
         int this = len;
+        SIGTYPE (*old_sigpipe)();
+
         /* Don't send more than 500 bytes at a time.  */
         if (this > 500)
           this = 500;
-        signal (SIGPIPE, send_process_trap);
+        old_sigpipe = signal (SIGPIPE, send_process_trap);
         rv = write (XFASTINT (XPROCESS (proc)->outfd), buf, this);
-        signal (SIGPIPE, SIG_DFL);
+        signal (SIGPIPE, old_sigpipe);
         if (rv < 0)
           {
             if (0
diff --git a/src/ralloc.c b/src/ralloc.c
index fe22ae4ffe1..927c2dd5477 100644
--- a/src/ralloc.c
+++ b/src/ralloc.c
@@ -27,6 +27,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include "lisp.h"               /* Needed for VALBITS.  */
 #undef NULL
 #include "mem_limits.h"
+#include "getpagesize.h"
 
 #define NIL ((POINTER) 0)
 
diff --git a/src/s/hpux.h b/src/s/hpux.h
index 33de0875602..e146501004c 100644
--- a/src/s/hpux.h
+++ b/src/s/hpux.h
@@ -228,6 +228,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #define HAVE_GETTIMEOFDAY
 #define HAVE_VFORK
 #define HAVE_PERROR  /* Delete this line for version 6.  */
+#define HAVE_RENAME
 
 /* The following maps shared exec file to demand loaded exec.
    Don't do this as demand loaded exec is broken in hpux.  */
@@ -253,8 +254,8 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 /* This is how to get the device name of the tty end of a pty.  */
 #define PTY_TTY_NAME_SPRINTF \
-            sprintf (ptyname, "/dev/pty/tty%c%x", c, i);
+            sprintf (pty_name, "/dev/pty/tty%c%x", c, i);
 
 /* This is how to get the device name of the control end of a pty.  */
 #define PTY_NAME_SPRINTF \
-        sprintf (ptyname, "/dev/ptym/pty%c%x", c, i);
+        sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);
diff --git a/src/search.c b/src/search.c
index cad14a47560..46ff1ec7e77 100644
--- a/src/search.c
+++ b/src/search.c
@@ -23,6 +23,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include "syntax.h"
 #include "buffer.h"
 #include "commands.h"
+
 #include <sys/types.h>
 #include "regex.h"
 
@@ -39,9 +40,14 @@ char search_fastmap[0400];
 
 Lisp_Object last_regexp;
 
-/* Every call to re_match, etc., must pass &search_regs as the regs argument
- unless you can show it is unnecessary (i.e., if re_match is certainly going
- to be called again before region-around-match can be called).  */
+/* Every call to re_match, etc., must pass &search_regs as the regs
+   argument unless you can show it is unnecessary (i.e., if re_match
+   is certainly going to be called again before region-around-match
+   can be called).
+
+   Since the registers are now dynamically allocated, we need to make
+   sure not to refer to the Nth register before checking that it has
+   been allocated.  */
 
 static struct re_registers search_regs;
 
@@ -147,7 +153,7 @@ DEFUN ("looking-at", Flooking_at, Slooking_at, 1, 1, 0,
     matcher_overflow ();
 
   val = (0 <= i ? Qt : Qnil);
-  for (i = 0; i < RE_NREGS; i++)
+  for (i = 0; i < search_regs.num_regs; i++)
     if (search_regs.start[i] >= 0)
       {
         search_regs.start[i] += BEGV;
@@ -489,7 +495,7 @@ search_buffer (string, pos, lim, n, RE, trt, inverse_trt)
                                 /* generality of an RE search is */
                                 /* really needed. */
       /* first item is "exact match" */
-      && *(searchbuf.buffer) == RE_EXACTN_VALUE
+      && *(searchbuf.buffer) == (char) RE_EXACTN_VALUE
       && searchbuf.buffer[1] + 2 == searchbuf.used) /*first is ONLY item */
     {
       RE = 0;                   /* can do straight (non RE) search */
@@ -542,7 +548,7 @@ search_buffer (string, pos, lim, n, RE, trt, inverse_trt)
           if (val >= 0)
             {
               j = BEGV;
-              for (i = 0; i < RE_NREGS; i++)
+              for (i = 0; i < search_regs.num_regs; i++)
                 if (search_regs.start[i] >= 0)
                   {
                     search_regs.start[i] += j;
@@ -569,7 +575,7 @@ search_buffer (string, pos, lim, n, RE, trt, inverse_trt)
           if (val >= 0)
             {
               j = BEGV;
-              for (i = 0; i < RE_NREGS; i++)
+              for (i = 0; i < search_regs.num_regs; i++)
                 if (search_regs.start[i] >= 0)
                   {
                     search_regs.start[i] += j;
@@ -996,6 +1002,10 @@ Leaves point at end of replacement text.")
 
   case_action = nochange;       /* We tried an initialization */
                                 /* but some C compilers blew it */
+
+  if (search_regs.num_regs <= 0)
+    error ("replace-match called before any match found");
+
   if (search_regs.start[0] < BEGV
       || search_regs.start[0] > search_regs.end[0]
       || search_regs.end[0] > ZV)
@@ -1068,7 +1078,7 @@ Leaves point at end of replacement text.")
                 Finsert_buffer_substring (Fcurrent_buffer (),
                                           make_number (search_regs.start[0]),
                                           make_number (search_regs.end[0]));
-              else if (c >= '1' && c <= RE_NREGS + '0')
+              else if (c >= '1' && c <= search_regs.num_regs + '0')
                 {
                   if (search_regs.start[c - '0'] >= 1)
                     Finsert_buffer_substring (Fcurrent_buffer (),
@@ -1103,9 +1113,10 @@ match_limit (num, beginningp)
 
   CHECK_NUMBER (num, 0);
   n = XINT (num);
-  if (n < 0 || n >= RE_NREGS)
-    args_out_of_range (num, make_number (RE_NREGS));
-  if (search_regs.start[n] < 0)
+  if (n < 0 || n >= search_regs.num_regs)
+    args_out_of_range (num, make_number (search_regs.num_regs));
+  if (search_regs.num_regs <= 0
+      || search_regs.start[n] < 0)
     return Qnil;
   return (make_number ((beginningp) ? search_regs.start[n]
                                     : search_regs.end[n]));
@@ -1141,11 +1152,14 @@ if the last match was on a buffer; integers or nil if a string was matched.\n\
 Use `store-match-data' to reinstate the data in this list.")
   ()
 {
-  Lisp_Object data[2 * RE_NREGS];
+  Lisp_Object *data;
   int i, len;
 
+  data = (Lisp_Object *) alloca ((2 * search_regs.num_regs)
+                                 * sizeof (Lisp_Object));
+
   len = -1;
-  for (i = 0; i < RE_NREGS; i++)
+  for (i = 0; i < search_regs.num_regs; i++)
     {
       int start = search_regs.start[i];
       if (start >= 0)
@@ -1184,7 +1198,30 @@ LIST should have been created by calling `match-data' previously.")
   if (!CONSP (list) && !NILP (list))
     list = wrong_type_argument (Qconsp, list, 0);
 
-  for (i = 0; i < RE_NREGS; i++)
+  /* Allocate registers if they don't already exist.  */
+  {
+    int length = Flength (list) / 2;
+
+    if (length > search_regs.num_regs)
+      {
+        if (search_regs.start)
+          search_regs.start =
+            (regoff_t *) realloc (search_regs.start,
+                                  length * sizeof (regoff_t));
+        else
+          search_regs.start = (regoff_t *) malloc (length * sizeof (regoff_t));
+        if (search_regs.end)
+          search_regs.end =
+            (regoff_t *) realloc (search_regs.end,
+                                  length * sizeof (regoff_t));
+        else
+          search_regs.end = (regoff_t *) malloc (length * sizeof (regoff_t));
+
+        search_regs.num_regs = length;
+      }
+  }
+
+  for (i = 0; i < search_regs.num_regs; i++)
     {
       marker = Fcar (list);
       if (NILP (marker))
diff --git a/src/sysdep.c b/src/sysdep.c
index 1483898478d..03614f98cce 100644
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -110,19 +110,6 @@ extern char *sys_errlist[];
 #endif /* not 4.1 */
 #endif /* BSD */
 
-#ifdef AIX
-/* Get files for keyboard remapping */
-#define HFNKEYS 2
-#include <sys/hft.h>
-#include <sys/devinfo.h>
-#endif
-
-/* Get rid of LLITOUT in 4.1, since it is said to stimulate kernel bugs.  */
-#ifdef BSD4_1
-#undef LLITOUT
-#define LLITOUT 0
-#endif /* 4.1 */
-
 #ifdef BROKEN_TIOCGWINSZ
 #undef TIOCGWINSZ
 #endif
@@ -144,31 +131,6 @@ extern char *sys_errlist[];
 #endif /* TIOCGWINSZ */
 #endif /* USG */
 
-#ifdef NEED_BSDTTY
-#include <sys/bsdtty.h>
-#endif 
-
-#if defined (HPUX) && defined (HAVE_PTYS)
-#include <sys/ptyio.h>
-#endif
-  
-#ifdef AIX
-#include <sys/pty.h>
-#include <unistd.h>
-#endif /* AIX */
-
-#ifdef SYSV_PTYS
-#include <sys/tty.h>
-#include <sys/pty.h>
-#endif
-
-/* saka@pfu.fujitsu.co.JP writes:
-   FASYNC defined in this file. But, FASYNC don't working.
-   so no problem, because unrequest_sigio only need. */
-#if defined (pfa)
-#include <sys/file.h>
-#endif
-
 extern int quit_char;
 
 #include "screen.h"
@@ -2348,6 +2310,8 @@ getwd (pathname)
  *      that files be of same type (regular->regular, dir->dir, etc).
  */
 
+#ifndef HAVE_RENAME
+
 rename (from, to)
      char *from;
      char *to;
@@ -2362,9 +2326,11 @@ rename (from, to)
   return (-1);
 }
 
+#endif
+
 /* Set priority value to PRIO.  */
 
-void
+int
 setpriority (which, who, prio)
      int which, who, prio;
 {
diff --git a/src/systty.h b/src/systty.h
index 07f12eb33d1..4bbf021595d 100644
--- a/src/systty.h
+++ b/src/systty.h
@@ -33,6 +33,44 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #endif /* not HAVE_TERMIOS */
 #endif /* not HAVE_TERMIO */
 
+#ifdef AIX
+/* Get files for keyboard remapping */
+#define HFNKEYS 2
+#include <sys/hft.h>
+#include <sys/devinfo.h>
+#endif
+
+/* Get rid of LLITOUT in 4.1, since it is said to stimulate kernel bugs.  */
+#ifdef BSD4_1
+#undef LLITOUT
+#define LLITOUT 0
+#endif /* 4.1 */
+
+#ifdef NEED_BSDTTY
+#include <sys/bsdtty.h>
+#endif 
+
+#if defined (HPUX) && defined (HAVE_PTYS)
+#include <sys/ptyio.h>
+#endif
+  
+#ifdef AIX
+#include <sys/pty.h>
+#include <unistd.h>
+#endif /* AIX */
+
+#ifdef SYSV_PTYS
+#include <sys/tty.h>
+#include <sys/pty.h>
+#endif
+
+/* saka@pfu.fujitsu.co.JP writes:
+   FASYNC defined in this file. But, FASYNC don't working.
+   so no problem, because unrequest_sigio only need. */
+#if defined (pfa)
+#include <sys/file.h>
+#endif
+
 
 /* Special cases - inhibiting the use of certain features.  */
 
@@ -184,6 +222,13 @@ struct emacs_tty {
   (tcsetattr ((fd), (waitp) ? TCSAFLUSH : TCSADRAIN, &(p)->main) != -1)
 
 #else
+#ifdef HAVE_TERMIO
+
+#define EMACS_GET_TTY_1(fd, p) (ioctl ((fd), TCGETA, &(p)->main) != -1)
+#define EMACS_SET_TTY_1(fd, p, waitp)                   \
+  (ioctl ((fd), (waitp) ? TCSETAW : TCSETAF, &(p)->main) != -1)
+
+#else
 #ifdef VMS
 
 /* These definitions will really only work in sysdep.c, because of their
@@ -203,6 +248,7 @@ struct emacs_tty {
 
 #endif
 #endif
+#endif
 
 #ifdef TIOCGLTC
   struct ltchars ltchars;
diff --git a/src/term.c b/src/term.c
index c23723217e5..e9f7ddbcd18 100644
--- a/src/term.c
+++ b/src/term.c
@@ -1,11 +1,11 @@
 /* terminal control module for terminals described by TERMCAP
-   Copyright (C) 1985, 1986, 1987 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1986, 1987, 1992 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
 GNU Emacs 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 1, or (at your option)
+the Free Software Foundation; either version 2, or (at your option)
 any later version.
 
 GNU Emacs is distributed in the hope that it will be useful,
@@ -465,6 +465,7 @@ change_line_highlight (new_highlight, vpos, first_unused_hpos)
 /* Move to absolute position, specified origin 0 */
 
 cursor_to (row, col)
+     int row, col;
 {
   if (! SCREEN_IS_TERMCAP ((updating_screen
                             ? updating_screen
@@ -488,6 +489,7 @@ cursor_to (row, col)
 /* Similar but don't take any account of the wasted characters.  */
 
 raw_cursor_to (row, col)
+     int row, col;
 {
   if (! SCREEN_IS_TERMCAP ((updating_screen ? updating_screen : selected_screen)))
     {
@@ -1393,6 +1395,7 @@ It may be necessary to do `unsetenv TERMCAP' as well.\n",
 
 /* VARARGS 1 */
 fatal (str, arg1, arg2)
+     char *str, *arg1, *arg2;
 {
   fprintf (stderr, "emacs: ");
   fprintf (stderr, str, arg1, arg2);
diff --git a/src/xfns.c b/src/xfns.c
index 4f3a7ff9e2b..d3943a5f779 100644
--- a/src/xfns.c
+++ b/src/xfns.c
@@ -1,11 +1,11 @@
 /* Functions for the X window system.
-   Copyright (C) 1989 Free Software Foundation.
+   Copyright (C) 1989, 1992 Free Software Foundation.
 
 This file is part of GNU Emacs.
 
 GNU Emacs 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 1, or (at your option)
+the Free Software Foundation; either version 2, or (at your option)
 any later version.
 
 GNU Emacs is distributed in the hope that it will be useful,
@@ -3950,7 +3950,8 @@ also be depressed for NEWSTRING to appear.")
      register Lisp_Object newstring;
 {
   char *rawstring;
-  register KeySym keysym, modifier_list[16];
+  register KeySym keysym;
+  KeySym modifier_list[16];
 
   CHECK_STRING (x_keysym, 1);
   CHECK_STRING (newstring, 3);
diff --git a/src/xterm.c b/src/xterm.c
index 05ad3bc588d..1df1c7d36ba 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -1,11 +1,11 @@
 /* X Communication module for terminals which understand the X protocol.
-   Copyright (C) 1989 Free Software Foundation, Inc.
+   Copyright (C) 1989, 1992 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
 GNU Emacs 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 1, or (at your option)
+the Free Software Foundation; either version 2, or (at your option)
 any later version.
 
 GNU Emacs is distributed in the hope that it will be useful,
@@ -258,8 +258,8 @@ static void dumpqueue ();
 #endif
 
 void dumpborder ();
-static XTcursor_to ();
-static XTclear_end_of_line ();
+static int XTcursor_to ();
+static int XTclear_end_of_line ();
 
 /* These hooks are called by update_screen at the beginning and end
    of a screen update.  We record in `updating_screen' the identity
@@ -361,7 +361,7 @@ XTreset_terminal_modes ()
    where display update commands will take effect.
    This does not affect the place where the cursor-box is displayed.  */
 
-static
+static int
 XTcursor_to (row, col)
      register int row, col;
 {
@@ -582,7 +582,7 @@ XTwrite_glyphs (start, len)
    to column FIRST_UNUSED (exclusive).  The idea is that everything
    from FIRST_UNUSED onward is already erased.  */
   
-static
+static int
 XTclear_end_of_line (first_unused)
      register int first_unused;
 {
@@ -2775,6 +2775,19 @@ x_text_icon (s, icon_name)
   return 0;
 }
 
+/* Handling X errors.  */
+
+/* A handler for SIGPIPE, when it occurs on the X server's connection.
+   This basically does an orderly shutdown of Emacs.  */
+static SIGTYPE
+x_death_handler ()
+{
+  if (_Xdebug)
+    abort ();
+  else
+    Fkill_emacs (make_number (70));
+}
+
 static char *x_proto_requests[] =
 {
   "CreateWindow",
@@ -2961,14 +2974,9 @@ x_error_handler (disp, event)
     }
   UNBLOCK_INPUT;
 
-  if (_Xdebug)
-    abort ();
-  else
-    Fkill_emacs (make_number (70));
+  x_death_handler ();
 }
 
-/* Initialize communication with the X window server.  */
-
 #if 0
 static unsigned int x_wire_count;
 x_trace_wire ()
@@ -3740,7 +3748,7 @@ x_term_init (display_name)
   signal (SIGWINCH, SIG_DFL);
 #endif /* SIGWINCH */
 
-  signal (SIGPIPE, x_error_handler);
+  signal (SIGPIPE, x_death_handler);
 }
 
 void