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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