[AS_HELP_STRING([--disable-dtrace],
[Build with support for the DTRACE. @<:@default=on@:>@])],
[ac_cv_enable_dtrace="$enableval"],
[AS_HELP_STRING([--disable-dtrace],
[Build with support for the DTRACE. @<:@default=on@:>@])],
[ac_cv_enable_dtrace="$enableval"],
AS_IF([test "$ac_cv_enable_dtrace" = "yes"],[
AC_CHECK_PROGS([DTRACE], [dtrace])
AS_IF([test "$ac_cv_enable_dtrace" = "yes"],[
AC_CHECK_PROGS([DTRACE], [dtrace])