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<font face="monospace">I am using a CMake build system to build my
code with Trilinos, and everything works just fine. I started
trying to additionally link with VTK, which also assumes a CMake
build system. I have test codes which only link to VTK, and my
current code only links to Trilinos. But when I try to make my
code link to both VTK and Trilinos, they don't seem to play well
together. </font>For some reason, when I link to both VTK and
Trilinos, I get errors of the type:<br>
../../libCamellia.so: undefined reference to
`Epetra_MpiComm::Epetra_MpiComm(ompi_communicator_t*)'<br>
<br>
(We have a library called Camellia and several drivers such as
NavierStokes below)<br>
<br>
The verbose makefile output that generated this error is:<br>
<br>
Linking CXX executable NavierStokes<br>
cd /workspace/truman/Camellia/bin/drivers/NavierStokes &&
/usr/bin/cmake -E cmake_link_script
CMakeFiles/NavierStokes.dir/link.txt --verbose=1<br>
/usr/bin/mpicxx -Wno-deprecated -g
CMakeFiles/NavierStokes.dir/NSDriver.cpp.o -o NavierStokes
-rdynamic -L/usr/lib/vtk-5.2
-L/workspace/truman/trilinos_builds/mpi_release/lib
-L/workspace/jchan/MUMPS_4.9.2/lib -L/workspace/jchan/lib/scalapack
-lvtkHybrid ../../libCamellia.so
/workspace/truman/trilinos_builds/mpi_release/lib/libintrepid.so
/workspace/truman/trilinos_builds/mpi_release/lib/libml.so
/workspace/truman/trilinos_builds/mpi_release/lib/libifpack.so
/workspace/truman/trilinos_builds/mpi_release/lib/libpamgen_extras.so
/workspace/truman/trilinos_builds/mpi_release/lib/libpamgen.so
/workspace/truman/trilinos_builds/mpi_release/lib/libamesos.so
/workspace/truman/trilinos_builds/mpi_release/lib/libgaleri.so
/workspace/truman/trilinos_builds/mpi_release/lib/libaztecoo.so
/workspace/truman/trilinos_builds/mpi_release/lib/libisorropia.so
/workspace/truman/trilinos_builds/mpi_release/lib/libepetraext.so
/workspace/truman/trilinos_builds/mpi_release/lib/libtpetraext.so
/workspace/truman/trilinos_builds/mpi_release/lib/libtpetrainout.so
/workspace/truman/trilinos_builds/mpi_release/lib/libtpetra.so
/workspace/truman/trilinos_builds/mpi_release/lib/libtriutils.so
/workspace/truman/trilinos_builds/mpi_release/lib/libshards.so
/workspace/truman/trilinos_builds/mpi_release/lib/libzoltan.so
/workspace/truman/trilinos_builds/mpi_release/lib/libepetra.so
/workspace/truman/trilinos_builds/mpi_release/lib/libkokkoslinalg.so
/workspace/truman/trilinos_builds/mpi_release/lib/libkokkosnodeapi.so
/workspace/truman/trilinos_builds/mpi_release/lib/libkokkos.so
/workspace/truman/trilinos_builds/mpi_release/lib/libsacado.so
/workspace/truman/trilinos_builds/mpi_release/lib/libtpi.so
/workspace/truman/trilinos_builds/mpi_release/lib/libteuchos.so
-ldmumps -lmumps_common -lpord -llapack -lblas -lpthread -lscalapack
-lvtkHybrid -lvtkParallel -lvtkRendering -lvtkGraphics -lvtkverdict
-lvtkImaging -lvtkftgl -lfreetype -lgl2ps -lGL -lXt -lSM -lICE -lX11
-lXext -lXss -lXft -lvtkIO -lmysqlclient -lvtkFiltering -lvtkCommon
-lpthread -lm -lvtkDICOMParser -lvtkmetaio -lvtksqlite -lpng -lz
-ljpeg -ltiff -lexpat -lvtksys -ldl -lavcodec -lavformat -lavutil
-lswscale -lvtkexoIIc -lvtkNetCDF /usr/lib/openmpi/lib/libmpi_cxx.so
/usr/lib/openmpi/lib/libmpi.so /usr/lib/openmpi/lib/libopen-rte.so
/usr/lib/openmpi/lib/libopen-pal.so -ldl -lnsl -lutil -lm -ldl -lnsl
-lutil -lm /workspace/jchan/MUMPS_4.9.2/lib/libdmumps.a
/workspace/jchan/MUMPS_4.9.2/lib/libpord.a
/workspace/jchan/MUMPS_4.9.2/lib/libmumps_common.a -lpthread
-llapack -lblas
-Wl,-rpath,/usr/lib/vtk-5.2:/workspace/truman/trilinos_builds/mpi_release/lib:/workspace/jchan/MUMPS_4.9.2/lib:/workspace/jchan/lib/scalapack:/workspace/truman/Camellia/bin:/usr/lib/openmpi/lib<br>
../../libCamellia.so: undefined reference to
`Epetra_MpiComm::Epetra_MpiComm(ompi_communicator_t*)'<br>
collect2: ld returned 1 exit status<br>
<br>
I've messed around with this for two days now, and I can't seem to
figure out what is going wrong. <br>
<br>
Any ideas?
<pre class="moz-signature" cols="72">--
Truman Ellis</pre>
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