Misc SHTOOL use updates

configure.in

@@ -51,11 +51,19 @@ if test -z "$OL_STRING"; then
 	AC_MSG_ERROR([could not determine version])
 fi
 
-ac_cv_shtool=$ac_aux_dir/shtool
-SHTOOL=$ac_cv_shtool
+if test -f "$ac_aux_dir/shtool" -a ! -d $ac_aux_dir/shtool; then
+	ac_cv_shtool="$ac_aux_dir/shtool"
+else
+	AC_MSG_ERROR([no shtool found in $ac_aux_dir])
+fi
+
+SHTOOL="$ac_cv_shtool"
 AC_SUBST(SHTOOL)
 
-$SHTOOL echo -e "Configuring %B${OL_STRING}%b ..."
+TB=`$SHTOOL echo -e %B`
+TN=`$SHTOOL echo -e %b`
+
+echo "Configuring $TB$OL_STRING$TN ..."
 
 dnl Determine host platform
 dnl		we try not to use this for much
@@ -543,7 +551,7 @@ SLAPD_SLP_LIBS=
 dnl ================================================================
 dnl Checks for programs
 
-dnl AC_PROG_INSTALL
+AC_PROG_INSTALL
 
 AC_DEFINE(HAVE_MKVERSION, 1, [define this if you have mkversion])