[Libguestfs] Building from source with custom gperf location

Lewis Gaul
Sun, 02 May 2021 13:23:55 -0000

Thanks, once again that seems to have got me past that problem, only for a
new one to crop up (this time hivex, which I'm not sure how to build or why
it's required on Linux). I take it this isn't really an expected
workflow,
trying to get the package to build without being able to use a package
manager to install the dependencies?

Searching the output from ./configure, I can't yet see any mention of quite
a few of the other dependencies listed at
https://libguestfs.org/guestfs-building.1.html that may be problematic, so
I'm wondering if it's time to throw in the towel for this approach.

All I'm looking for really is a way to programmatically edit a single file
in a qcow2 VM image (which I planned to achieve with virt-edit) - is there
an easier way to do this? Does virt-edit alone require all these
dependencies, or would there be a way to build just virt-edit without
pulling apart the build system?

Alternatively, would it be possible/easier to build a static virt-edit
binary in a CentOS 7 VM that could simply be copied onto this RHEL 7
machine?

I appreciate your help so far and any further suggestions you might have!

Thanks,
Lewis

On Sun, 2 May 2021 at 09:28, Richard W.M. Jones <rjones at redhat.com>
wrote:

> On Sun, May 02, 2021 at 12:14:19AM +0100, Lewis Gaul wrote:
> > LIBRARY_PATH=~/.local/lib64 doesn't seem to work either
unfortunately
> (still
> > unable to find libmagic). Any other ideas (even if I need to edit a
file
> and
> > rerun autoconf or something)?
> ...
> >     Unfortunately m4/guestfs-libraries.m4 is using AC_CHECK_LIB
instead
> of
> >     PKG_CHECK_MODULES, so you cannot just set PKG_CONFIG_* environment
> >     variables to pick up the right libmagic.pc (which is a bug in
> >     libguestfs).
>
> Take a look at m4/guestfs-libraries.m4 and change the AC_CHECK_LIB to
> PKG_CHECK_MODULES, following examples of other package tests in that
> file, then re-run "autoconf".
>
> Rich.
>
> --
> Richard Jones, Virtualization Group, Red Hat
> http://people.redhat.com/~rjones
> Read my programming and virtualization blog: http://rwmj.wordpress.com
> virt-p2v converts physical machines to virtual machines.  Boot with a
> live CD or over the network (PXE) and turn machines into KVM guests.
> http://libguestfs.org/virt-v2v
>
>
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