[libvirt] [PATCH] util: Compile error

[Eli Qiao]

于 2011年11月12日 08:08, Eric Blake 写道:
> On 11/11/2011 04:23 PM, Eric Blake wrote:
>> On 11/11/2011 01:36 AM, Eli Qiao wrote:
>>>
>>> 于 2011年11月11日 16:33, Dong Xu Wang 写道:
>>>> Sorry, the title is "util: Compile error", what's the usage of this
>>>> patch?
>>>> Without applying this, it will cause error while compiling?
>>> yes , when run make ,it will cause undefined symbols error.
>> Can you post those actual errors, and which platform you were on when
>> you encountered them?
> Never mind; I reproduced the failure on Ubuntu.
>
> ../src/.libs/libvirt_driver_qemu.a(libvirt_driver_qemu_la-qemu_command.o):
> In function `qemuNetworkIfaceConnect':
> /home/eblake/libvirt/src/qemu/qemu_command.c:259: undefined reference to
> `virNetDevTapCreateInBridgePort'
> ...
>
> Fedora still allows symbol resolution by transitive dependency, but
> Ubuntu's default linker settings were recently changed to forbid that
> (that is, if liba depends on libb depends on libc, Fedora will let liba
> use symbols from libc, but Ubuntu will not; and you have to either
> re-export the symbols from libb [this patch], or add another link line
> to liba [a bit more work in the various Makefile.am files]).
>
> Your patch looks correct, so ACK and pushed.  I also added you to
> AUTHORS; let me know if you need any preferred spellings altered.
Thanks Eric.

-- 
best regards
eli