Re: [Dle-develop] [PATCH -tip] perf probe: Don't compile CFI related code if elfutils is old

[Mark W. <mj...@re...>]

On Mon, 2010-05-10 at 15:19 -0400, Masami Hiramatsu wrote:
> Hm, I'd like to add just '#ifndef _ELFUTILS_PREREQ;#error;#endif' to
> NO_DWARF checking in Makefile, because it's easier to expand to another
> API dependency.

You might want to check systemtap/dwarf-wrappers.h which handles missing
_ELFUTILS_PREREQ, so you can use it as if it is always defined. That
said, 0.138 is pretty old (latest is 0.147), so just requiring something
fresh might not be a bad thing.

Cheers,

Mark