RTS tidyup sweep, first phase

[ghc-hetmet.git] / rts / sm / Evac.h

diff --git a/rts/sm/Evac.h b/rts/sm/Evac.h
index e6ef02c..78d024f 100644 (file)
--- a/rts/sm/Evac.h
+++ b/rts/sm/Evac.h
@@ -11,6 +11,9 @@
  *
  * ---------------------------------------------------------------------------*/
 
+#ifndef SM_EVAC_H
+#define SM_EVAC_H
+
 // Use a register argument for evacuate, if available.
 // Earlier, the regparm attribute was used whenever __GNUC__ >= 2, but this
 // generated warnings on PPC. So the use is restricted further.
@@ -31,3 +34,6 @@ REGPARM1 void evacuate  (StgClosure **p);
 REGPARM1 void evacuate1 (StgClosure **p);
 
 extern lnat thunk_selector_depth;
+
+#endif /* SM_EVAC_H */
+