[CMake] need two compilation to achieve success

[eial at cs.bgu.ac.il]

On Tue 02 Jun 7:33 2009 eial at cs.bgu.ac.il wrote:
> 
> On Mon 01 Jun 20:56 2009 Bill Hoffman wrote:
> > eial at cs.bgu.ac.il wrote:
> > > On Mon 01 Jun 15:28 2009 Bill Hoffman wrote:
> > >> eial at cs.bgu.ac.il wrote:
> > >>> On Mon 01 Jun 8:18 2009 Tyler Roscoe wrote:
> > >>> thanks for the tip, it solved the issue.
> > >>>
> > >>>
> > >> I am glad that worked for you but something else is wrong...  How are 
> > >> you linking bin/libs/libAgathaUtils.so' to `bin/AgathaHud' ?  You should 
> > >> have something like:
> > >>
> > >> target_link_libraries(AgathaHud AgathaUtils)
> > >>
> > >> That should add the dependency for you.   Do you have that?
> > >>
> > >> -Bill
> > >>
> > > 
> > > I have this:
> > > TARGET_LINK_LIBRARIES(AgathaHud ${LIBRARY_OUTPUT_PATH}/libAgathaUtils.so 
> > >                                 ${LIBRARY_OUTPUT_PATH}/libAgathaEngine.so
> > >                                 ${LIBRARY_OUTPUT_PATH}/libAgathaThreads.so
> > >                                 cv
> > >                                 PocoXML
> > >                                 PocoFoundation
> > >                                 AR
> > >                                 ARMulti
> > >                                 ARvideo)
> > > 
> > > 
> > 
> > OK, that is not correct.  For targets that CMake builds, you can just 
> > use the target name.  What you have now will only work on some systems 
> > and not work if you use OUTPUT_NAME or other properties on those 
> > libraries.
> > 
> > You want:
> > target_link_libraries(AgathaHud AgathaUtils AgathaEntine AgathaThreads)
> > 
> > That is assuming that AgathaUtils AgathaEntine AgathaThreads are all 
> > built in the same project by CMake.
> > 
> > -Bill
> > 
> 
> yes they are built in the same project.
> changing you your suggestions results in two new problems:
> 1) removing ${LIBRARY_OUTPUT_PATH} results in "/usr/lib/gcc/x86_64-pc-linux-gnu/4.3.3/../../../../x86_64-pc-linux-gnu/bin/ld: cannot find -lAgathaUtils" error, the structure of the output dir is bin for the binary and bin/libs for the libs.
> 2) with ${LIBRARY_OUTPUT_PATH}, compilation fails due to unknown reference to all vars and functions that are part of the external libs.
> I've encountered this before and that was the only way that I've found to solve it.
> 
> 
> 
> 
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any hints? now it doesn't compile