#
# In particular, this should not be used as an example of modern Perl
# programming techniques.
+# This legacy library is deprecated and will be removed in a future
+# release of perl.
#
# Suggested alternative: Math::BigInt
-#
+
+warn( "The 'bigint.pl' legacy library is deprecated and will be"
+ . " removed in the next major release of perl. Please use the"
+ . " Math::BigInt module instead." );
+
# arbitrary size integer math package
#
# by Mark Biggar