perf probe: Check older elfutils and set NO_DWARF
Check whether elfutils is older than 0.138 (from which version checking routine has been introduced). And if so, set NO_DWARF because it is hard to check the API dependency without version checking. Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com> Reported-by: Robert Richter <robert.richter@amd.com> Cc: Robert Richter <robert.richter@amd.com> Cc: Ingo Molnar <mingo@elte.hu> LKML-Reference: <20100511045953.9913.19485.stgit@localhost6.localdomain6> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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