initial revision of synergy. currently semi-supports X windows

on unix, but client screens don't simulate events other than
mouse move.  also not supporting clipboard at all yet and the
main app is just a temporary framework to test with.  must
clean up protocol and communication.

tools/depconv

@@ -0,0 +1,46 @@
+#!/bin/sh
+#
+# add dependency info from files on command line to $depfile
+
+depfile="Makedepends"
+
+dependencies=""
+targets="^$"
+
+# tmp directory
+if test -z "$TMP"; then TMP=/tmp; fi
+
+while [ -n "$*" ]; do
+    case "$1" in
+      -f)
+	depfile=$2
+	shift
+	shift
+	;;
+      -*)
+	echo "usage: $0 [-f <makefile>] <dependency-file> ..."
+	exit 1
+	;;
+      *)
+	break
+    esac
+done
+
+# collect all dependencies
+while [ -n "$*" ]; do
+    line=`cat $1 | sed -e 's/\\\\//g' | sed -e 's/ \/[^ ]*//g'`
+    target=`echo $line | sed -e 's/^\([^:]*\):.*/\1/'`
+    targets="$targets|^$target:"
+    dependencies="$dependencies$line\n"
+    shift
+done
+
+# add new dependencies to $depfile
+if [ -n "$targets" ]; then
+    if [ -r $depfile ]; then
+	(egrep -v $targets $depfile; echo -e -n $dependencies) > $TMP/dep$$
+	if [ $? -eq 0 ]; then mv $TMP/dep$$ $depfile; fi
+    else
+	echo -e -n $dependencies > $depfile
+    fi
+fi