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-rw-r--r--ext/psych/yaml/yaml_private.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/ext/psych/yaml/yaml_private.h b/ext/psych/yaml/yaml_private.h
index abb7b9b..21fc5e4 100644
--- a/ext/psych/yaml/yaml_private.h
+++ b/ext/psych/yaml/yaml_private.h
@@ -1,3 +1,6 @@
+#ifdef RUBY_EXTCONF_H
+#include RUBY_EXTCONF_H
+#endif
#if HAVE_CONFIG_H
#include <config.h>