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-rw-r--r--ext/tk/tkutil/extconf.rb4
1 files changed, 4 insertions, 0 deletions
diff --git a/ext/tk/tkutil/extconf.rb b/ext/tk/tkutil/extconf.rb
index 34b91632eb..57de973c0a 100644
--- a/ext/tk/tkutil/extconf.rb
+++ b/ext/tk/tkutil/extconf.rb
@@ -7,8 +7,12 @@ end
if has_tk
require 'mkmf'
+
have_func("rb_obj_instance_exec", "ruby.h")
+ have_func("rb_obj_untrust", "ruby.h")
+ have_func("rb_obj_taint", "ruby.h")
have_func("rb_sym_to_s", "ruby.h")
have_func("strndup", "string.h")
+
create_makefile('tkutil')
end