Re: [PATCH] daemon: Drop dependency on libvirt-admin.so

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On 24/06/16 15:12, Michal Privoznik wrote:
> Currently, the daemon requires libvirt-admin.so because the
> functions encoding/decoding RPC messages for admin APIs live
> there. But this makes it very hard to split admin API into its
> own separate package: if libvirt-admin.so is going to live in a
> separate package than the daemon, either both packages must be
> installed or none.
> Solve this by statically linking the RPC message handling
> functions with the daemon.
> 
> Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
> ---
> 
> I'm a bit torn. I'm tempted to rewrite some parts of admin API so
> that it follows the driver architecture we have for other areas,
> e.g. domain drivers. Until then, this patch is needed.

I agree that sooner or later we'll have to tweak the architecture to get
around this issue properly.

> 
>  daemon/Makefile.am |  2 +-
>  src/Makefile.am    | 15 +++++++++++++--
>  2 files changed, 14 insertions(+), 3 deletions(-)
> 
> diff --git a/daemon/Makefile.am b/daemon/Makefile.am
> index 927d16f..3b6aafe 100644
> --- a/daemon/Makefile.am
> +++ b/daemon/Makefile.am
> @@ -152,7 +152,7 @@ libvirtd_admin_la_LDFLAGS = \
>  		$(NO_INDIRECT_LDFLAGS)  \
>  		$(NULL)
>  libvirtd_admin_la_LIBADD =	\
> -		../src/libvirt-admin.la
> +		../src/libvirt-admin-rpc.la
>  
>  man8_MANS = libvirtd.8
>  
> diff --git a/src/Makefile.am b/src/Makefile.am
> index 9f8b638..7c3cef6 100644
> --- a/src/Makefile.am
> +++ b/src/Makefile.am
> @@ -592,7 +592,7 @@ $(srcdir)/lock_protocol-struct: \
>  		$(srcdir)/%-struct: locking/lockd_la-%.lo
>  	$(PDWTAGS)
>  $(srcdir)/admin_protocol-struct: \
> -		$(srcdir)/%-struct: admin/libvirt_admin_la-%.lo
> +		$(srcdir)/%-struct: admin/%.lo
>  	$(PDWTAGS)
>  
>  else !WITH_REMOTE
> @@ -2165,10 +2165,20 @@ libvirt_admin.syms: libvirt_admin_public.syms $(ADMIN_SYM_FILES) \
>  # need to include it in the dist
>  EXTRA_DIST += admin/admin_remote.c
>  
> +noinst_LTLIBRARIES += \
> +	libvirt-admin-rpc.la
> +
> +libvirt_admin_rpc_la_SOURCES = \
> +	$(ADMIN_PROTOCOL_GENERATED)
> +
> +libvirt_admin_rpc_la_LDFLAGS = \
> +	$(AM_LDFLAGS) \
> +	$(CYGWIN_EXTRA_LDFLAGS) \
> +	$(MINGW_EXTRA_LDFLAGS)
> +
>  lib_LTLIBRARIES += libvirt-admin.la
>  libvirt_admin_la_SOURCES = \
>  		libvirt-admin.c			\
> -		$(ADMIN_PROTOCOL_GENERATED)	\
>  		$(DATATYPES_SOURCES)
>  
>  libvirt_admin_la_LDFLAGS = \
> @@ -2180,6 +2190,7 @@ libvirt_admin_la_LDFLAGS = \
>  
>  libvirt_admin_la_LIBADD = \
>  		libvirt.la		\
> +		libvirt-admin-rpc.la	\
>  		$(CYGWIN_EXTRA_LIBADD)
>  
>  libvirt_admin_la_CFLAGS = \
> 

I rebased my patches onto yours, built the rpms, made a clean install,
tested, and it worked. Then I removed the admin package to test for the
dependency issues you described, and the daemon seems to run unchanged
(compared to the failure caused by a missing library prior to applying
your patch).
ACK from me.

Thanks,
Erik

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