Ah sorry, yes I have done that already. Sorry for forgetting that
detail...
If it should work assuming I have added my new directory in
source/CMakeLists.txt, maybe my implementation is the problem. Though, I
wouldn't know why since it fails at linking.
On Monday, November 9, 2020 at 3:49:21 PM UTC-6 d.arnd...@gmail.com wrote:
> Zachary,
>
> You also need to make sure that CMake actually sees that your new source
> directory. In particular, you should add a line saying
>
> ADD_SUBDIRECTORY(Test)
>
> to source/CMakeLists.txt.
>
> Best,
> Daniel
>
> Am Mo., 9. Nov. 2020 um 11:35 Uhr schrieb Zachary 42! <
> zachary...@gmail.com>:
>
>> Hi folks,
>>
>> I am trying to add another include/source directory and subsequent obj to
>> dealii for potential future contributions to dealii. Though I am having
>> linking errors because my new obj needs to link agains the lac_obj (need
>> Trilinos and other interfaces). I thought the ADD_DEPENDICIES in the
>> source/CMakeLists.txt file is where this is taking care of but apparently
>> not. I am following the exact same CMakeLists.txt files as in the other
>> source/dirs but I am still getting the undefined symbols error due to
>> object targets not apparently linking together.
>>
>> [ 80%] Linking CXX shared library ../lib/libdealii.dylib
>> Undefined symbols for architecture x86_64:
>> "dealii::PETScWrappers::SparseMatrix::SparseMatrix<int>(int const&,
>> bool)", referenced from:
>> test::Operator::Operator(int const&) in Operator.cc.o
>> test::Operator::Operator(int const&, std::__1::basic_string<char,
>> std::__1::char_traits<char>, std::__1::allocator<char> > const&) in
>> Operator.cc.o
>> ld: symbol(s) not found for architecture x86_64
>>
>> So looks like the obj_lac needs to link with the obj_test and it doesn’t
>> appear to be…
>>
>> Here is my source/Test/CMakeLists.txt file which builds fine:
>>
>> INCLUDE_DIRECTORIES(BEFORE ${CMAKE_CURRENT_BINARY_DIR})
>>
>> SET(_src
>> Operator.cc
>> )
>>
>> SET(_n_includes_per_unity_file 20)
>>
>> IF(DEAL_II_UNITY_BUILD)
>> LIST(SORT _unity_include_src)
>> ENDIF()
>>
>> SETUP_SOURCE_LIST("${_unity_include_src}"
>> "${_separate_src}"
>> ${_n_includes_per_unity_file}
>> _src
>> )
>>
>> FILE(GLOB _header
>> ${CMAKE_SOURCE_DIR}/include/test/*.h
>> )
>>
>> DEAL_II_ADD_LIBRARY(obj_test OBJECT ${_src} ${_header})
>>
>> I didn’t change anything in the souce/CMakeLists.txt file.
>>
>> --
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>>
>
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