1 files changed, 2 insertions, 0 deletions

diff --git a/ext/Setup b/ext/Setup
index 157dd8a85d..5e55ada148 100644
--- a/ext/Setup
+++ b/ext/Setup
@@ -14,8 +14,10 @@
 #fcntl
 #gdbm
 #iconv
+#io/wait
 #nkf
 #pty
+#openssl
 #racc/cparse
 #readline
 #sdbm