add another SMP assertion

[ghc-hetmet.git] / ghc / rts / gmp / gmp-impl.h

diff --git a/ghc/rts/gmp/gmp-impl.h b/ghc/rts/gmp/gmp-impl.h
index 3d130d2..3c7ac26 100644 (file)
--- a/ghc/rts/gmp/gmp-impl.h
+++ b/ghc/rts/gmp/gmp-impl.h
@@ -57,7 +57,9 @@ MA 02111-1307, USA. */
 #endif
 
 #if defined (alloca)
+# ifndef HAVE_ALLOCA
 #define HAVE_ALLOCA
+# endif
 #endif
 
 #if ! defined (HAVE_ALLOCA) || USE_STACK_ALLOC