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-rw-r--r--ext/tcltklib/extconf.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/tcltklib/extconf.rb b/ext/tcltklib/extconf.rb
index 282e53d09a..55cdc498c4 100644
--- a/ext/tcltklib/extconf.rb
+++ b/ext/tcltklib/extconf.rb
@@ -2,8 +2,8 @@
require 'mkmf'
+have_library("nsl", "t_open")
have_library("socket", "socket")
-have_library("nsl", "gethostbyname")
have_library("dl", "dlopen")
have_library("m", "log")