--- AnyEvent/Makefile.PL	2017/02/04 03:49:36	1.44
+++ AnyEvent/Makefile.PL	2020/07/25 22:20:29	1.45
@@ -3,6 +3,8 @@
 # AnyEvent perl event loop seems to work with 5.6, other modules not
 eval 'use Canary::Stability AnyEvent => 1, 5.008001';
 
+our %PREREQ_PM;
+
 print <<EOF;
 
 ***
@@ -22,6 +24,19 @@
 
 EOF
 
+if (eval { require Coro; $Coro::VERSION < 6.57 }) {
+   print <<EOF;
+
+***
+*** Adding a dependency on Coro, as your version of Coro is too old
+*** for this version of AnyEvent.
+***
+
+EOF
+
+   $PREREQ_PM{Coro} = 6.57;
+}
+
 do "./constants.pl.PL"
    or die "cannot execute constants.pl.PL: $@";
 
@@ -35,9 +50,9 @@
     NAME         => "AnyEvent",
     VERSION_FROM => "lib/AnyEvent.pm",
     PMLIBDIRS    => ["lib"],
-#    PREREQ_PM    => {
-#       Task::Weaken => 0,
-#    },
+    PREREQ_PM    => {
+       %PREREQ_PM,
+    },
     CONFIGURE_REQUIRES => { "ExtUtils::MakeMaker" => 6.52, "Canary::Stability" => 0 },
     META_MERGE => {
         recommends => {