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-rw-r--r--ext/sleepy_penguin/extconf.rb5
1 files changed, 3 insertions, 2 deletions
diff --git a/ext/sleepy_penguin/extconf.rb b/ext/sleepy_penguin/extconf.rb
index 3a6152b..407c947 100644
--- a/ext/sleepy_penguin/extconf.rb
+++ b/ext/sleepy_penguin/extconf.rb
@@ -1,8 +1,9 @@
 require 'mkmf'
 have_header('sys/epoll.h')
 dir_config('kqueue')
-have_library('kqueue')
-have_header('sys/event.h')
+if have_header('sys/event.h')
+  have_library('kqueue')
+end
 have_header('sys/mount.h')
 have_header('sys/eventfd.h')