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-rw-r--r--ext/tk/tcltklib.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/ext/tk/tcltklib.c b/ext/tk/tcltklib.c
index db31846e61..00a3256a82 100644
--- a/ext/tk/tcltklib.c
+++ b/ext/tk/tcltklib.c
@@ -10,12 +10,13 @@
#ifdef HAVE_RUBY_SIGNAL_H
#include "ruby/signal.h"
+#else
+#include "rubysig.h"
+#endif
#ifdef HAVE_RUBY_ENCODING_H
#include "ruby/encoding.h"
#endif
-#else
-/* #include "ruby.h" */
-#include "rubysig.h"
+#ifndef HAVE_RUBY_RUBY_H
#include "version.h"
#endif