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

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On 24/06/16 16:00, Erik Skultety wrote:
> 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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> 

Disregard my previous reply for now, at least until we agree on the most
viable way to approach this.

Erik

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