[PATCH] tests: add FreeBSD dependencies
Daniel P. Berrangé
berrange at redhat.com
Thu Sep 3 11:59:43 UTC 2020
On Thu, Sep 03, 2020 at 01:49:11PM +0200, Pavel Hrdina wrote:
> On Thu, Sep 03, 2020 at 03:21:51PM +0400, Roman Bogorodskiy wrote:
> > Daniel P. Berrangé wrote:
> >
> > > On Thu, Sep 03, 2020 at 02:52:41PM +0400, Roman Bogorodskiy wrote:
> > > > Daniel P. Berrangé wrote:
> > > >
> > > > > On Thu, Sep 03, 2020 at 02:21:37PM +0400, Roman Bogorodskiy wrote:
> > > > > > Add some FreeBSD-specific libraries (-lutil, -lkvm) to tests dependencies.
> > > > > >
> > > > > > Without that, FreeBSD 11.x, which uses the GNU ld, fails to link tests.
> > > > > > Interestingly, newer FreeBSD versions that use LLVM ld tolerate this
> > > > > > behaviour and builds successfully as is.
> > > > >
> > > > > Hmm, we need a CI job for FreeBSD 11 added
> > > > >
> > > > > Cirrus supports FreeBSD 11.4 so ought to be possible to add it to our
> > > > > matrix.
> > > > >
> > > > > >
> > > > > > Signed-off-by: Roman Bogorodskiy <bogorodskiy at gmail.com>
> > > > > > ---
> > > > > > tests/meson.build | 2 ++
> > > > > > 1 file changed, 2 insertions(+)
> > > > > >
> > > > > > diff --git a/tests/meson.build b/tests/meson.build
> > > > > > index ad13e2de60..ea2458efbc 100644
> > > > > > --- a/tests/meson.build
> > > > > > +++ b/tests/meson.build
> > > > > > @@ -10,11 +10,13 @@ tests_dep = declare_dependency(
> > > > > > dlopen_dep,
> > > > > > glib_dep,
> > > > > > gnutls_dep,
> > > > > > + kvm_dep,
> > > > >
> > > > > Makes sense, as we don't reference kvm_dep anywhere.
> > > > >
> > > > > > libnl_dep,
> > > > > > libxml_dep,
> > > > > > rpc_dep,
> > > > > > sasl_dep,
> > > > > > selinux_dep,
> > > > > > + util_dep,
> > > > >
> > > > > In the top level meson.build, we appear to add -lutil as a linker
> > > > > arg to the entire project, so i'm surprised this was needed.
> > > >
> > > > -lutil was actually the first issue spotted, and when fixed, -lkvm
> > > > showed up.
> > > >
> > > > Here's the original report I got:
> > > >
> > > > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=249056
> > > >
> > > > It contains some initial thoughts on this issue; there I also assumed
> > > > that add_global_link_arguments() could fix the issue, but was satisfied
> > > > with the current solution.
> > >
> > > Hmm, this is all very strange if I'm reading the the
> > > add_project_link_arguments doc correctly it should apply to everything
> > > we have. The difference between add_project and add_global is just
> > > about meson subprojects, but the tests are in our main project.
> > >
> > > If add_project_link_arguments isn't working as we expect, we might be
> > > better removing its use entirely in favour of explicitly adding the
> > > _deps objects in the particular places they are needed.
> >
> > I've just tried this change:
> >
> > --- meson.build.orig 2020-09-03 11:14:20.233605000 +0000
> > +++ meson.build 2020-09-03 11:14:43.661313000 +0000
> > @@ -1405,7 +1405,7 @@
> >
> > util_dep = cc.find_library('util', required: false)
> > if util_dep.found()
> > - add_project_link_arguments('-lutil', language: 'c')
> > + add_global_link_arguments('-lutil', language: 'c')
> > endif
> >
> > if not get_option('virtualport').disabled()
> >
> > It doesn't work, the build is still failing with it.
>
> This is strange, after checking the freebsd bug there is -lutil and it
> still fails which I don't understand:
>
> [846/936] cc -o tests/domaincapstest 'tests/59830eb@@domaincapstest at exe/domaincapstest.c.o'
> -I/usr/local/include -L/usr/local/lib -Wl,--as-needed -Wl,--no-undefined -Wl,-O1 -Wl,-export-dynamic
> -pie -Wl,--whole-archive -Wl,--start-group tests/libtest_utils.a tests/libtest_file_wrapper.a
> -Wl,--no-whole-archive -lkvm -lintl -lutil -O2 -pipe -fstack-protector-strong -fno-strict-aliasing
> ^
> here you can see there is -lutil
>
> ^ and here we have -lkvm as well
>
> -fstack-protector -fstack-protector-strong src/libvirt.so.0.6007.0 src/bhyve/libvirt_driver_bhyve_impl.a
> -Wl,-export-dynamic -ldl /usr/local/lib/libglib-2.0.so /usr/local/lib/libintl.so /usr/local/lib/libgobject-2.0.so
> /usr/local/lib/libgio-2.0.so /usr/local/lib/libgnutls.so /usr/local/lib/libxml2.so -Wl,--end-group -Wl,-z,relro
> -Wl,-z,now -Wl,-export-dynamic -Wl,-export-dynamic -Wl,-export-dynamic '-Wl,-rpath,$ORIGIN/../src:$ORIGIN/../src/bhyve'
> -Wl,-rpath-link,/wrkdirs/usr/ports/devel/libvirt/work/libvirt-6.7.0/_build/src -Wl,-rpath-link,/wrkdirs/usr/ports/devel/libvirt/work/libvirt-6.7.0/_build/src/bhyve
> FAILED: tests/domaincapstest
> cc -o tests/domaincapstest 'tests/59830eb@@domaincapstest at exe/domaincapstest.c.o' -I/usr/local/include
> -L/usr/local/lib -Wl,--as-needed -Wl,--no-undefined -Wl,-O1 -Wl,-export-dynamic -pie -Wl,--whole-archive
> -Wl,--start-group tests/libtest_utils.a tests/libtest_file_wrapper.a -Wl,--no-whole-archive -lkvm -lintl
> -lutil -O2 -pipe -fstack-protector-strong -fno-strict-aliasing -fstack-protector -fstack-protector-strong
> src/libvirt.so.0.6007.0 src/bhyve/libvirt_driver_bhyve_impl.a -Wl,-export-dynamic -ldl /usr/local/lib/libglib-2.0.so
> /usr/local/lib/libintl.so /usr/local/lib/libgobject-2.0.so /usr/local/lib/libgio-2.0.so /usr/local/lib/libgnutls.so
> /usr/local/lib/libxml2.so -Wl,--end-group -Wl,-z,relro -Wl,-z,now -Wl,-export-dynamic -Wl,-export-dynamic
> -Wl,-export-dynamic '-Wl,-rpath,$ORIGIN/../src:$ORIGIN/../src/bhyve' -Wl,-rpath-link,/wrkdirs/usr/ports/devel/libvirt/work/libvirt-6.7.0/_build/src
> -Wl,-rpath-link,/wrkdirs/usr/ports/devel/libvirt/work/libvirt-6.7.0/_build/src/bhyve
> /usr/bin/ld: undefined reference to symbol `expand_number' (try adding -lutil)
> /usr/lib/libutil.so: could not read symbols: Bad value
> cc: error: linker command failed with exit code 1 (use -v to see invocation)
> ninja: build stopped: subcommand failed.
> *** Error code 1
>
> The fact that it compiles correctly on FreeBSD 12.x I'm not sure what's
> going on here.
I wonder if there is an ordering issue ? The -lutil/-lkvm args are
quite early on the CLI. Adding them again as _deps might put them later
on the CLI ?
Regards,
Daniel
--
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