extconf.rb in io-epoll-0.2.0

- old
+ new

@@ -1,7 +1,8 @@
 require 'mkmf'
 
 if !have_header("sys/epoll.h")
-  puts "*** err: <sys/epoll.h> header must be installed ***"
-  exit 1
+  puts "[31m*** complie error: gem 'io-epoll' must be installed <sys/epoll.h>. ***[m"
+  puts "[31m*** you can require 'io/epoll'. But, you can not use IO::Epoll APIs. ***[m"
 end
+have_func("epoll_create1", "sys/epoll.h")
 create_makefile('io/epoll/epoll')