--- EV/Makefile.PL	2009/07/14 00:09:59	1.41
+++ EV/Makefile.PL	2009/07/19 01:36:34	1.42
@@ -229,6 +229,22 @@
 *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
 
 
+Another sometimes useful bit of functionality is the Linux signalfd, which
+is useful for faster signal handling (don't care). Kernel support for
+this will be probed at runtime, but your libc must contain the necessary
+wrapper and include files. Glibc 2.9 and later should have this wrapper.
+
+EOF
+
+my $can_signalfd = -e "/usr/include/sys/signalfd.h";
+$can_signalfd = $ENV{EV_SIGNALFD} if exists $ENV{EV_SIGNALFD};
+$DEFINE .= " -DEV_USE_SIGNALFD=" . (0 + (prompt ("Enable linux signalfd support (y/n)?", $can_signalfd ? "y" : "n") =~ /[yY]/));
+
+print <<EOF;
+
+*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
+
+
 EOF
 
 my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : ();