X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Frts%2FSanity.h;h=8cf3f9e52eab2b3d5ffc71d2bca3a650a27af9d9;hb=03a9ff01812afc81eb5236fd3063cbec44cf469e;hp=c527cbbb22e20217162b64d5533d8ecb722005f0;hpb=63e8af080a7e779a48e812e6caa9ea519b046260;p=ghc-hetmet.git

diff --git a/ghc/rts/Sanity.h b/ghc/rts/Sanity.h
index c527cbb..8cf3f9e 100644
--- a/ghc/rts/Sanity.h
+++ b/ghc/rts/Sanity.h
@@ -6,6 +6,8 @@
  *
  * ---------------------------------------------------------------------------*/
 
+#ifndef SANITY_H
+
 #ifdef DEBUG
 
 # if defined(PAR)
@@ -50,3 +52,5 @@ extern rtsBool isBlackhole( StgTSO* tso, StgClosure* p );
 
 #endif /* DEBUG */
  
+#endif /* SANITY_H */
+