Hi Matthias,
I followed the steps you suggested so that expand_instantiations gave
the output :
Usage:
expand_instantiations class_list_files < in_file > out_file
after which I changed to the regular build directory for building(all
performed on an interactive compute node ) as
cmake -DCMAKE_SYSTEM_NAME=CrayLinuxEnvironment -DCMAKE_C_COMPILER=cc
-DCMAKE_CXX_COMPILER=CC -DCMAKE_Fortran_COMPILER=ftn -DDEAL_II_WITH_MPI=ON
-DDEAL_II_WITH_PETSC=ON -DDEAL_II_WITH_P4EST=ON -DDEAL_II_WITH_LAPACK=ON
-DCMAKE_INSTALL_PREFIX=/global/project/projectdirs/m2360/packagesCPFE/dealii_trial
../dealii
which ran fine, after which the installation process
make -j 8 install
resulted in the following error :
[100%] Built target obj_fe_debug
[100%] Linking CXX shared library ../lib/libdeal_II.g.so
/usr/bin/ld: cannot find -lAtpSigHandler
/usr/bin/ld: cannot find -lAtpSigHCommData
make[2]: *** [source/CMakeFiles/deal_II.dir/build.make:1283:
lib/libdeal_II.so] Error 1
make[1]: *** [CMakeFiles/Makefile2:2978: source/CMakeFiles/deal_II.dir/all]
Error 2
make[1]: *** Waiting for unfinished jobs....
I am not sure what the above means. I contacted support at NERSC for help
and he responded as follows :
-----------------------------------------------------------------------------------------------------
The problem is that somewhere in the cmake files it's missing:
```
find_library(ATP_SIGHANDLER_LIBRARY NAMES AtpSigHandler)
```
and then you need to add
```
target_link_libraries(<Target> ${ATP_SIGHANDLER_LIBRARY})
```
to the file that specifies the link step for `libdeal_II.g.so`
I had a look at the cmake files, but it's a pretty complex setup. I think
it might be best to reach out to the developers again, and get them to
incorporate those changes for cray systems.
-----------------------------------------------------------------------------------------------------
Thank you for your help.
Best,
Aaditya
On Sunday, August 23, 2020 at 3:06:31 PM UTC-4 Matthias Maier wrote:
> Hi,
>
> CMake's cross compilation features are unfortunately a bit limited. To
> work around this you have to create an executable
> "expand_instantiations" separately by doing for example the following in
> the source directory:
>
> $ mkdir build-executable
> $ cd build-executable
> $ cmake ..
> $ make expand_instantiations_exe
>
> After that export the executable to your path:
>
> $ export PATH="$PWD/bin:$PATH"
>
> when you now run "expand_instantiations" in your command prompt you
> should get a help message:
>
> $ expand_instantiations
> Usage:
> expand_instantiations class_list_files < in_file > out_file
>
> If all that works out switch to the actual build directory (in the same
> terminal) and compile.
>
> This should take care of the following error:
>
> > /bin/sh: expand_instantiations: command not found
> > make[2]: ***
>
> Best,
> Matthias
>
>
>
>
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