--- Coro/Makefile.PL	2001/07/19 02:45:09	1.3
+++ Coro/Makefile.PL	2001/07/21 18:21:45	1.4
@@ -1,6 +1,21 @@
 use ExtUtils::MakeMaker;
 
-use 5.006;
+if ($] < 5.006) {
+   print <<EOF;
+
+***
+*** WARNING: This module is quite low-level and uses undocumented perl
+*** internals to do it's job. While it seems to work fine with perl-5.8,
+*** 5.7 and 5.6, it has not been tested with older versions. If it
+*** compiles and passes the testsuite, it should work.  Otherwise you
+*** should either upgrade or contact the author, maybe it can be made to
+*** work...
+***
+*** Marc Lehmann <pcg\@goof.com>
+***
+
+EOF
+}
 
 WriteMakefile(
     dist	=> {