[PATCH -tip] perf probe: Check older elfutils and set NO_DWARF

[Robert Richter]

On 11.05.10 00:59:53, Masami Hiramatsu wrote:
> 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.

This works for me, now the DWARF_SUPPORT macro is undefined and a
warning is generated:

Makefile:510: No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev

Thanks,

-Robert

-- 
Advanced Micro Devices, Inc.
Operating System Research Center
email: robert.richter@amd.com