X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=rts%2Fsm%2FEvac.h;h=78d024f3e99409549d73fa78cf77846828056868;hp=e6ef02cfcc97528b07d9b3904710b769a33ff662;hb=a2a67cd520b9841114d69a87a423dabcb3b4368e;hpb=5d379cbe65e406d5c3a848fe7fcd090cafbfeb78

diff --git a/rts/sm/Evac.h b/rts/sm/Evac.h
index e6ef02c..78d024f 100644
--- 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 */
+