Re: no-undefined, solaris sun studio and pain

[Monty Taylor]

If I swap the order of the -L flags so that the target location is
_before_ the LDFLAGS values, it works:

-R/usr/local/protobuf230/lib/amd64 -L/usr/local/protobuf230/lib/amd64
-L/usr/local/lib/amd64

Bob Friesenhahn wrote:
> On Wed, 23 Dec 2009, Monty Taylor wrote:
>>
>> Thing is - libprotobuf.so hasn't been installed in /usr/local/lib/amd64
>> yet, so the -lprotobuf seems to trigger the unknown symbols above.
>>
>> If I remove -no-undefined from the LDFLAGS or I manually edit the above
>> line to do:
>>
>> CC -G -zdefs -hlibprotoc.so.6 -o .libs/libprotoc.so.6.0.0   <various .o
>> files snipped>  -R/usr/local/lib/amd64 -L/usr/local/lib/amd64
>> .libs/libprotobuf.so -library=stlport4 -library=Crun -lpthread -lz -lc
>> -template=no%extdef -mt -m64   -mt
>>
>> It works. Of course, I know the above editing is wrong, because it
>> really wants to be linked with -lprotobuf. Am I just SOL in terms of
>> being able to use -no-undefined in this case? It would be nice to get
>> that error on the compile-for-tree stage but not have it apply to the
>> relink for install phase.
> 
> I believe that the problem is with the order that the libraries are
> being installed.  Unfortunately, Automake does not fully understand
> library dependencies so it is necessary to list the libraries in the
> correct dependency order for installation since programs and libraries
> may be re-linked at install time.  Consider that if an old version of
> libprotobuf.so had already been installed, that this old version would
> be accidentally used rather than the new version you are installing. If
> you have two libraries which depend on each other's symbols, then the
> libraries will need to be redesigned.
> 
> Bob
> -- 
> Bob Friesenhahn
> address@hidden, http://www.simplesystems.org/users/bfriesen/
> GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/
>