[CMake] Linking error after having found a package

[Cedric Doucet]

I'm afraid you're right. :-/ 
It works fine now. 

Thank you very much Eric! 

----- Mail original -----

> De: "Eric Noulard" <eric.noulard at gmail.com>
> À: "Cedric Doucet" <cedric.doucet at inria.fr>
> Cc: cmake at cmake.org
> Envoyé: Mercredi 22 Juillet 2015 14:31:22
> Objet: Re: [CMake] Linking error after having found a package

> 2015-07-22 14:24 GMT+02:00 Cedric Doucet < cedric.doucet at inria.fr > :

> > Hello,
> 

> > I try to use the find_package function to find BLAS and LAPACK libraries
> > which are required in my code.
> 

> > To do that, I do the following:
> 

> > ======================
> 
> > FIND_PACKAGE(BLAS)
> 
> > FIND_PACKAGE(LAPACK)
> 

> > # I should test with BLAS_FOUND and LAPACK_FOUND here but that's not the
> > problem
> 
> > LIST(GET BLAS_LIBRARIES 0 BLAS_LIB)
> 
> > LIST(GET LAPACK_LIBRARIES 0 LAPACK_LIB)
> 

> > TARGET_LINK_LIBRARY(myexe ${LAPACK_LIB}$ ${BLAS_LIB}$)
> 

> You have extraneous '$' at the end of your variables reference

> ${LAPACK_LIB}$
> should be
> ${LAPACK_LIB}

> > =======================
> 

> > I have manually checked that BLAS and LAPACK are actually found.
> 
> > As explained in FindBLAS.cmake and Find.LAPACK.cmake, BLAS_LIBRARIES and
> > LAPACK_LIBRARIES are lists containing paths to these libraries.
> 
> > I get the first entry in each of these lists and try to link with these
> > entries (/usr/lib/libf77blas.so, /usr/lib/liblapack.so).
> 
> > But I obtain the following error message:
> 

> > ==================================================
> 

> > g++: error: /usr/lib/liblapack.so$: No such file or directory
> 
> > g++: error: /usr/lib/libf77blas.so$: No such file or directory
> 

> > ==================================================
> 

> so g++ is indeed right, look at the dollar sign at the end of .so files.

> > But these files exist in my computer.
> 

> > Do you know where the problem come from?
> 

> > Cheers,
> 

> > Cédric
> 

> > --
> 

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> --
> Eric
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