On Fri, Sep 1, 2023 at 4:29 PM David Marchand <david.march...@redhat.com> wrote:
>
> On Fri, Sep 1, 2023 at 4:23 PM Bruce Richardson
> <bruce.richard...@intel.com> wrote:
> >
> > When the user passes a list of desired libraries to build via the
> > "enable_libs" option, the expectation is that those libraries should be
> > part of the build. However, if those libs have either external or
> > internal dependencies, they still may be silently disabled, for example:
> > running "meson setup -Denable_libs=security build" will successfully
> > run, but the security lib will not be configured as "cryptodev" is
> > missing.
> >
> > We can fix this by setting a flag to indicate when the libraries are
> > specified via an enable_libs flag. If so, then we error out when a
> > library is unbuildable, giving a suitable error message. For the above
> > example case, the "meson setup" run fails with:
> >
> > Message: Disabling security [lib/security]: missing internal dependency 
> > "cryptodev"
> >
> > lib/meson.build:218:16: ERROR: Problem encountered: Cannot build explicitly 
> > requested lib "security".
> >         Please add missing dependency "cryptodev" to "enable_libs" option
> >
> > Signed-off-by: Bruce Richardson <bruce.richard...@intel.com>
>
> I remember setting a enable_drivers=net/af_xdp on a system lacking
> libbpf-devel and not getting warned about its absence.
> So I suspect enable_drivers is affected by the same issue.

Arf sorry, did not see it was a two patch series :-).

-- 
David Marchand

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