Hi,
I appreciate any help on the issue below.
Moving from step-17 and step-18, I have been developing a non linear solver
for mechanical problems. It is a way to learn about deal.II rather than
else. Conceptually it is rather simple, I have implemented some material
model drivers (as J2 plasticity, for instance ) and a Newton-Raphson
scheme.
In my material model however, I am using lapack (specifically lapacke or
mkl). It turned out that I am not sufficiently skilled to modify the cmake
file in order to link deal.II with those libraries. I wonder if anyone can
provide some help.
The error reads as follows:
[ 22%] *Linking CXX executable step-18*
Undefined symbols for architecture x86_64:
"_LAPACKE_dgesv", referenced from:
ttl::lib::solve_impl<ttl::expressions::Bind<ttl::Tensor<4, 2, double>
const&, std::__1::tuple<ttl::Index<(char)4>, ttl::Index<(char)3>,
ttl::Index<(char)2>, ttl::Index<(char)1> > >,
ttl::expressions::Bind<ttl::Tensor<2, 2, double> const&,
std::__1::tuple<ttl::Index<(char)2>, ttl::Index<(char)1> > >,
4>::op(ttl::expressions::Bind<ttl::Tensor<4, 2, double> const&,
std::__1::tuple<ttl::Index<(char)4>, ttl::Index<(char)3>,
ttl::Index<(char)2>, ttl::Index<(char)1> > >,
ttl::expressions::Bind<ttl::Tensor<2, 2, double> const&,
std::__1::tuple<ttl::Index<(char)2>, ttl::Index<(char)1> > >) in
step-18.cc.o
"_LAPACKE_dgetrf", referenced from:
int ttl::lib::inverse_impl<ttl::expressions::Bind<ttl::Tensor<4, 2,
double> const&, std::__1::tuple<ttl::Index<(char)4>, ttl::Index<(char)3>,
ttl::Index<(char)2>, ttl::Index<(char)1> > >, 4>::op<ttl::Tensor<4, 2,
double> >(ttl::expressions::Bind<ttl::Tensor<4, 2, double> const&,
std::__1::tuple<ttl::Index<(char)4>, ttl::Index<(char)3>,
ttl::Index<(char)2>, ttl::Index<(char)1> > >, ttl::Tensor<4, 2, double>&)
in step-18.cc.o
"_LAPACKE_dgetri", referenced from:
int ttl::lib::inverse_impl<ttl::expressions::Bind<ttl::Tensor<4, 2,
double> const&, std::__1::tuple<ttl::Index<(char)4>, ttl::Index<(char)3>,
ttl::Index<(char)2>, ttl::Index<(char)1> > >, 4>::op<ttl::Tensor<4, 2,
double> >(ttl::expressions::Bind<ttl::Tensor<4, 2, double> const&,
std::__1::tuple<ttl::Index<(char)4>, ttl::Index<(char)3>,
ttl::Index<(char)2>, ttl::Index<(char)1> > >, ttl::Tensor<4, 2, double>&)
in step-18.cc.o
ld: symbol(s) not found for architecture x86_64
clang: *error: *linker command failed with exit code 1 (use -v to see
invocation)
make[6]: *** [step-18] Error 1
make[5]: *** [CMakeFiles/step-18.dir/all] Error 2
make[4]: *** [all] Error 2
make[3]: *** [CMakeFiles/release] Error 2
make[2]: *** [CMakeFiles/release.dir/all] Error 2
make[1]: *** [CMakeFiles/release.dir/rule] Error 2
make: *** [release] Error 2
after slight modifications of the cmakelist.txt file (adding the new source
files, basically).
By the way, I was able to link libraries to deal.II within Xcode and it
worked out well.
Thanks
Alberto
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