use libdbm.nfs.a if available (libdbm.a is missing dbmclose())
[p5sagit/p5-mst-13.2.git] / XSUB.h
diff --git a/XSUB.h b/XSUB.h
index 509a1d6..5ce8fb4 100644 (file)
--- a/XSUB.h
+++ b/XSUB.h
@@ -1,3 +1,6 @@
+#ifndef _INC_PERL_XSUB_H
+#define _INC_PERL_XSUB_H 1
+
 #define ST(off) PL_stack_base[ax + (off)]
 
 #if defined(CYGWIN) && defined(USE_DYNAMIC_LOADING)
 #    define socketpair         PerlSock_socketpair
 #  endif  /* NO_XSLOCKS */
 #endif  /* PERL_CAPI */
+
+#endif /* _INC_PERL_XSUB_H */          /* include guard */