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m4/pandora_enable_dtrace.m4

 

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dnl  Copyright (C) 2009 Sun Microsystems

 

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dnl This file is free software; Sun Microsystems

 

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

 

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

 

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

 

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dnl Macro: PANDORA_ENABLE_DTRACE

 

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

 

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AC_DEFUN([PANDORA_ENABLE_DTRACE],[

 

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  AC_ARG_ENABLE([dtrace],

 

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    [AS_HELP_STRING([--enable-dtrace],

 

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

 

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    [ac_cv_enable_dtrace="yes"],

 

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    [ac_cv_enable_dtrace="no"])

 

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

 

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    AC_CHECK_PROGS([DTRACE], [dtrace])

 

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

 

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

 

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      AC_MSG_CHECKING([if dtrace should instrument object files])

 

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      dnl DTrace on MacOSX does not use -G option

 

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      cat >conftest.d <<_ACEOF

 

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provider Example {

 

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  probe increment(int);

 

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};

 

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_ACEOF

 

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

 

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

 

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            [ac_cv_dtrace_needs_objects=no])

 

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      rm -f conftest.d.o conftest.d

 

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      AC_MSG_RESULT($ac_cv_dtrace_needs_objects)

 

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

 

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      ac_cv_have_dtrace=yes

 

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    ])])

 

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

 

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AM_CONDITIONAL([DTRACE_NEEDS_OBJECTS],

 

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

 

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])

 

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

 

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dnl End Macro: PANDORA_ENABLE_DTRACE

 

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

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