X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=configure.ac;h=d9ca45348d5d475733892574126bb1f42bf7a376;hb=b84ba676034763b3082bbd9405794a4fde499d14;hp=d7f4a4f71b84071cbb0896e0ebd1c7e50ee250b1;hpb=a8ad2066bf5efa534fccb945da63aad366b989d9;p=ghc-hetmet.git

diff --git a/configure.ac b/configure.ac
index d7f4a4f..d9ca453 100644
--- a/configure.ac
+++ b/configure.ac
@@ -558,6 +558,16 @@ dnl ** check for patch
 dnl if GNU patch is named gpatch, look for it first
 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
 
+dnl ** check for dtrace (currently only implemented for Mac OS X)
+HaveDtrace=NO
+AC_PATH_PROG(DtraceCmd,dtrace)
+if test -n "$DtraceCmd"; then
+  if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple"; then
+    HaveDtrace=YES
+  fi
+fi
+AC_SUBST(HaveDtrace)
+
 AC_PATH_PROG(HSCOLOUR,HsColour)
 # HsColour is passed to Cabal, so we need a native path
 if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \