[glib] Don't attempt to build dtrace support on OS X

[Colin Walters <walters src gnome org>]

commit 29a6fb68b7d73648992ea55d17cc54fc1261fe29
Author: Colin Walters <walters verbum org>
Date:   Fri Jun 25 09:37:06 2010 -0400

    Don't attempt to build dtrace support on OS X
    
    Apparently the OS X "dtrace" command is different from the Sun one,
    which is what Linux supports.  Since I don't have access to an OS X
    machine to test build patches on, simply disable dtrace on OS X
    for now.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=622697

 configure.in |   22 +++++++++++++---------
 1 files changed, 13 insertions(+), 9 deletions(-)
---
diff --git a/configure.in b/configure.in
index 3caece4..e91a308 100644
--- a/configure.in
+++ b/configure.in
@@ -2791,17 +2791,21 @@ AC_ARG_ENABLE([dtrace],
 have_dtrace=no
 AC_MSG_CHECKING([whether to include dtrace tracing support])
 if test "x$enable_dtrace" != xno; then
-  AC_MSG_RESULT([yes])
-  AC_CHECK_PROGS(DTRACE, dtrace)
-  if test -z "$DTRACE"; then
-    if test "x$enable_dtrace" = xyes; then
-      AC_MSG_ERROR([dtrace not found])
+  if test x$glib_have_carbon = xyes; then
+    AC_MSG_RESULT([no (not yet compatible with MacOS dtrace)])
+  else 
+    AC_MSG_RESULT([yes])
+    AC_CHECK_PROGS(DTRACE, dtrace)
+    if test -z "$DTRACE"; then
+      if test "x$enable_dtrace" = xyes; then
+        AC_MSG_ERROR([dtrace not found])
+      fi
     fi
+    AC_CHECK_HEADER([sys/sdt.h],have_dtrace=yes,
+                    [if test "x$enable_dtrace" = xyes; then
+                      AC_MSG_ERROR([dtrace support needs sys/sdt.h header])
+                     fi])
   fi
-  AC_CHECK_HEADER([sys/sdt.h],have_dtrace=yes,
-                  [if test "x$enable_dtrace" = xyes; then
-                     AC_MSG_ERROR([dtrace support needs sys/sdt.h header])
-                   fi])
 else
   AC_MSG_RESULT([no])
 fi