~drizzle-trunk/drizzle/development

dnl  Copyright (C) 2009 Sun Microsystems

dnl This file is free software; Sun Microsystems

dnl gives unlimited permission to copy and/or distribute it,

dnl with or without modifications, as long as this notice is preserved.

dnl ---------------------------------------------------------------------------

dnl Macro: PANDORA_ENABLE_DTRACE

dnl ---------------------------------------------------------------------------

AC_DEFUN([PANDORA_ENABLE_DTRACE],[

  AC_ARG_ENABLE([dtrace],

    [AS_HELP_STRING([--enable-dtrace],

            [Build with support for the DTRACE. @<:@default=off@:>@])],

    [ac_cv_enable_dtrace="yes"],

    [ac_cv_enable_dtrace="no"])

  AS_IF([test "$ac_cv_enable_dtrace" = "yes"],[

    AC_CHECK_PROGS([DTRACE], [dtrace])

    AS_IF([test "x$ac_cv_prog_DTRACE" = "xdtrace"],[

      AC_DEFINE([HAVE_DTRACE], [1], [Enables DTRACE Support])

      AC_MSG_CHECKING([if dtrace should instrument object files])

      dnl DTrace on MacOSX does not use -G option

      cat >conftest.d <<_ACEOF

provider Example {

  probe increment(int);

};

_ACEOF

      $DTRACE -G -o conftest.d.o -s conftest.d 2>/dev/zero

      AS_IF([test $? -eq 0],[ac_cv_dtrace_needs_objects=yes],

            [ac_cv_dtrace_needs_objects=no])

      rm -f conftest.d.o conftest.d

      AC_MSG_RESULT($ac_cv_dtrace_needs_objects)

      AC_SUBST(DTRACEFLAGS) dnl TODO: test for -G on OSX

      ac_cv_have_dtrace=yes

    ])])

AM_CONDITIONAL([HAVE_DTRACE], [test "x$ac_cv_have_dtrace" = "xyes"])

AM_CONDITIONAL([DTRACE_NEEDS_OBJECTS],

               [test "x$ac_cv_dtrace_needs_objects" = "xyes"])

])

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dnl End Macro: PANDORA_ENABLE_DTRACE

dnl ---------------------------------------------------------------------------