Add explicit imports for RTS-external variables

[ghc-hetmet.git] / rts / HeapStackCheck.cmm

diff --git a/rts/HeapStackCheck.cmm b/rts/HeapStackCheck.cmm
index 5579e92..a42ba8f 100644 (file)
--- a/rts/HeapStackCheck.cmm
+++ b/rts/HeapStackCheck.cmm
@@ -12,6 +12,8 @@
 
 #include "Cmm.h"
 
+import pthread_mutex_unlock;
+
 /* Stack/Heap Check Failure
  * ------------------------
  *