Check for tcgetattr() to enable HAVE_TCGETATTR in sysunix.c this seems

to work better on embedded targets running off the initial console.

Also, first merge of patches from Debian.  This part holds all of the
sysunix.c changes and some 8-bit patches and SIGSTP patches in the
editline.c file.

configure

@@ -4875,7 +4875,8 @@ fi
 
 
 
-for ac_func in strchr strdup strrchr
+
+for ac_func in strchr strdup strrchr tcgetattr
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
 { echo "$as_me:$LINENO: checking for $ac_func" >&5