[commit: ghc] master: Use DTrace whenever it's available (f49a775)

[Simon Marlow]

Repository : ssh://darcs.haskell.org//srv/darcs/ghc

On branch  : master

http://hackage.haskell.org/trac/ghc/changeset/f49a7755e2b14fce82813dcd47a53179aa2da101

>---------------------------------------------------------------

commit f49a7755e2b14fce82813dcd47a53179aa2da101
Author: Ian Lynagh <igloo at earth.li>
Date:   Thu Feb 10 15:33:00 2011 +0000

    Use DTrace whenever it's available
    Now that we've stopped trying to support 64bit OS X 10.5, the DTrace
    problems there don't matter.

>---------------------------------------------------------------

 mk/config.mk.in |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/mk/config.mk.in b/mk/config.mk.in
index d0e683f..982f501 100644
--- a/mk/config.mk.in
+++ b/mk/config.mk.in
@@ -624,9 +624,7 @@ TR 			= tr
 SHELL			= /bin/sh
 
 HaveDtrace		= @HaveDtrace@
-# There are problems with dtrace on 64bit 10.5. For now at least, we
-# just turn dtrace off unless you override USE_DTRACE
-USE_DTRACE = NO
+USE_DTRACE = $(HaveDtrace)
 DTRACE			= @DtraceCmd@
 
 LD = @LdCmd@