1 files changed, 4 insertions, 0 deletions
diff --git a/ruby.h b/ruby.h
index d258fa111f..dda9acc972 100644
--- a/ruby.h
+++ b/ruby.h
@@ -31,6 +31,10 @@ extern "C" {
 # include <strings.h>
 #endif
 
+#ifdef HAVE_INTRINSICS_H
+# include <intrinsics.h>
+#endif
+
 #include <stddef.h>
 #include <stdio.h>