Re: Static call dependency on libelf version?
From: Josh Poimboeuf
Date: Tue Sep 15 2020 - 17:49:30 EST
On Tue, Sep 15, 2020 at 10:02:31AM -0500, Josh Poimboeuf wrote:
> On Tue, Sep 15, 2020 at 04:38:02PM +0200, Mark Wielaard wrote:
> > Hi Josh,
> >
> > On Tue, 2020-09-15 at 09:17 -0500, Josh Poimboeuf wrote:
> > > On Tue, Sep 15, 2020 at 01:24:17PM +0200, Mark Wielaard wrote:
> > > > But all this is for ancient versions of elfutils libelf. So it is hard
> > > > to say and my memory might be failing. If someone can confirm 0.158
> > > > (which is 6 years old) works fine I would pick that as minimum version,
> > > > otherwise simply go with 0.168 which is 4 years old and should be on
> > > > most systems by now.
> > >
> > > I just discovered elf_version(), I assume that would allow us to check
> > > and enforce the libelf version?
> >
> > No, sorry. That is for the ELF file format version, which is and has
> > always been version 1 (and I suspect it will be for the next 20
> > years).
>
> Oh, right :-)
>
> > There is /usr/include/elfutils/version.h which provides a
> > _ELFUTILS_PREREQ(major, minor) macro if you need something during
> > compile time.
>
> Nice, I'll try that.
Confirmed that 0.158 fixes it. I'll enforce that as a minimum. Thanks!
--
Josh