[libvirt] [PATCH] build: don't export avahi syms when unused

[Eric Blake]

On 07/31/2012 03:21 AM, Daniel P. Berrange wrote:
> On Mon, Jul 30, 2012 at 05:31:20PM -0600, Eric Blake wrote:
>> Detected when building --without-avahi.
>>
>> * src/libvirt_private.syms (virnetservermdns.h): Move...
>> * src/libvirt_avahi.syms: ...to new file.
>> * src/Makefile.am (USED_SYM_FILES, EXTRA_DIST): Use it.
>> ---
>>
>> I'm debating whether to push this under the build-breaker rule.
>> Unfortunately, while this solved my build on an Ubuntu machine,
>> I have other machines which are failing for other symbols (some
>> SASL related, and one for xenLinuxDomainBlockStats), so it's
>> probably better to fix everything instead of just half the problem.
>>
>>  src/Makefile.am          |  7 ++++++-
>>  src/libvirt_avahi.syms   | 13 +++++++++++++
>>  src/libvirt_private.syms | 13 -------------
>>  3 files changed, 19 insertions(+), 14 deletions(-)
>>  create mode 100644 src/libvirt_avahi.syms
> 
> Reluctant ACK. I'm surprised I wrote it using HAVE_AVAHI.
> I would be nice to change this so that the code in the
> .c file is conditionalized, and the APIs still exist
> providing a ENOSYS error or something.
> 

Sure, I can provide a v2 along these lines, then we can decide which
version we like better (the v2 will be longer, but removing the
conditionals will make maintenance of the .syms file easier).

-- 
Eric Blake   eblake at redhat.com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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