Paolo Bonzini <pbonz...@redhat.com> writes:
> On 15/08/2017 09:30, Markus Armbruster wrote:
>> The stupid fix is to repeat libraries until the link succeeds:
>>
>> test-util-obj-y = libqemuutil.a libqemustub.a libqemuutil.a
>>
>> You may have seen this with -lX11 if you're old enough.
>>
>> ld(1) suggests the linker can do it for us:
>>
>> -( archives -)
>> --start-group archives --end-group
>> The archives should be a list of archive files. They may be either
>> explicit file names, or -l options.
>>
>> The specified archives are searched repeatedly until no new
>> undefined references are created. Normally, an archive is searched
>> only once in the order that it is specified on the command line.
>> If a symbol in that archive is needed to resolve an undefined
>> symbol referred to by an object in an archive that appears later on
>> the command line, the linker would not be able to resolve that
>> reference. By grouping the archives, they all be searched
>> repeatedly until all possible references are resolved.
>>
>> Using this option has a significant performance cost. It is best
>> to use it only when there are unavoidable circular references
>> between two or more archives.
>>
>> Sticking '-Wp,-(' and '-Wp,-)' into the command line I get from make V=1
>> doesn't work for me, though.
>>
>> The smart solution is not to have .a reference each other.
>
> Nah, I think we should teach those new kids on the block about -lX11
> instead. :)
>
>> Paolo, what do you think?
>
> Another possibility is to just merge the two static libraries into one.
Sounds good to me!
