Defining a subsystem conditionally in waf ...

[Ralph Böhme]

On Fri, Jan 09, 2015 at 09:51:57PM -0800, Richard Sharpe wrote:
> On Fri, Jan 9, 2015 at 7:10 PM, Richard Sharpe
> <realrichardsharpe at gmail.com> wrote:
> > Hi folks,
> >
> > I am trying to define the zookeeper stuff this way in waf but it is not working:
> >
> > bld.SAMBA3_LIBRARY('smbregistry',
> >                    source='''registry/reg_api.c
> >                    registry/reg_dispatcher.c
> >                    registry/reg_cachehook.c
> >                    registry/reg_objects.c
> >                    registry/reg_util_internal.c
> >                    lib/util_nttoken.c
> >                    registry/reg_backend_db.c
> >                    registry/reg_parse_internal.c
> >                    lib/cbuf.c
> >                    lib/srprs.c
> >                    registry/reg_init_basic.c''',
> >                    deps='''smbd_shim tdb-wrap3 NDR_SECURITY util_tdb talloc
> >                    replace util_reg samba-util samba-security
> >                    errors3 dbwrap samba3-util REG_ZOOKEEPER''',
> >                    allow_undefined_symbols=True,
> >                    private_library=True)
> >
> > bld.SAMBA3_SUBSYSTEM('REG_SMBCONF',
> >                     source='''registry/reg_backend_smbconf.c
> >                     registry/reg_init_smbconf.c
> >                     registry/reg_util_token.c
> >                     registry/reg_api_util.c''',
> >                     deps='smbregistry')
> >
> > bld.SAMBA3_SUBSYSTEM('REG_ZOOKEEPER',
> >                     source='''registry/reg_backend_zookeeper.c''',
> >                     includes='/usr/local/include/zookeeper',
> >                     deps='zookeeper_st smbregistry',
> >                     enabled=bld.env.enable_zookeeper)

looks like a circular dependency: smbregistry->REG_ZOOKEEPER->smbregistry.

> > I keep getting:
> >
> > default/source3/libsmbregistry-samba4.so: undefined reference to
> > `zookeeper_reg_ops'
> >
> > How do I work around this?
> 
> Well, it seems that I have to tell waf that I need to link with
> libzookeeper_st, but I cannot see how to do that ...

You have zookeeper_st as dep, but do you actually have check for it ?
Eg

  conf.CHECK_FUNCS_IN('some_zookeeper_func', 'zookeeper_st')

-Ralph

-- 
SerNet GmbH, Bahnhofsallee 1b, 37081 Göttingen
phone: +49-551-370000-0, fax: +49-551-370000-9
AG Göttingen, HRB 2816, GF: Dr. Johannes Loxen
http://www.sernet.de,mailto:kontakt@sernet.de