This is how I installed it on Ubuntu 20.04: 0) A few prereqs... I forget but it at least had: sudo apt install libfftw3-dev mpich libblas-dev liblapack-dev libsuitesparse-dev 1) Install Trilinos git clone --depth 1 --branch trilinos-release-12-12-1 https://github.com/trilinos/Trilinos.git cd Trilinos mkdir build cd build SRCDIR=$HOME/repos/Trilinos ARCHDIR=/software/XyceLibs/Parallel FLAGS="-O3 -fPIC" cmake \ -G "Unix Makefiles" \ -DCMAKE_C_COMPILER=mpicc \ -DCMAKE_CXX_COMPILER=mpic++ \ -DCMAKE_Fortran_COMPILER=mpif77 \ -DCMAKE_CXX_FLAGS="$FLAGS" \ -DCMAKE_C_FLAGS="$FLAGS" \ -DCMAKE_Fortran_FLAGS="$FLAGS" \ -DCMAKE_INSTALL_PREFIX=$ARCHDIR \ -DCMAKE_MAKE_PROGRAM="make" \ -DTrilinos_ENABLE_NOX=ON \ -DNOX_ENABLE_LOCA=ON \ -DTrilinos_ENABLE_EpetraExt=ON \ -DEpetraExt_BUILD_BTF=ON \ -DEpetraExt_BUILD_EXPERIMENTAL=ON \ -DEpetraExt_BUILD_GRAPH_REORDERINGS=ON \ -DTrilinos_ENABLE_TrilinosCouplings=ON \ -DTrilinos_ENABLE_Ifpack=ON \ -DTrilinos_ENABLE_ShyLU=ON \ -DTrilinos_ENABLE_Isorropia=ON \ -DTrilinos_ENABLE_AztecOO=ON \ -DTrilinos_ENABLE_Belos=ON \ -DTrilinos_ENABLE_Teuchos=ON \ -DTeuchos_ENABLE_COMPLEX=ON \ -DTrilinos_ENABLE_Amesos=ON \ -DAmesos_ENABLE_KLU=ON \ -DTrilinos_ENABLE_Sacado=ON \ -DTrilinos_ENABLE_Kokkos=ON \ -DTrilinos_ENABLE_Zoltan=ON \ -DTrilinos_ENABLE_ALL_OPTIONAL_PACKAGES=OFF \ -DTrilinos_ENABLE_CXX11=ON \ -DTPL_ENABLE_AMD=ON \ -DAMD_LIBRARY_DIRS="/usr/lib" \ -DTPL_AMD_INCLUDE_DIRS="/usr/include/suitesparse" \ -DTPL_ENABLE_BLAS=ON \ -DTPL_ENABLE_LAPACK=ON \ -DTPL_ENABLE_MPI=ON \ $SRCDIR make -j 4 sudo make install 2) Install Xyce git clone git@github.com:Xyce/Xyce.git cd Xyce ./bootstrap mkdir build cd build ../configure CXXFLAGS="-O3 -std=c++11" ARCHDIR="/software/XyceLibs/Parallel" CPPFLAGS="-I/usr/include/suitesparse" --enable-mpi CXX=mpicxx CC=mpicc F77=mpif77 --prefix=/software/Xyce/Parallel make -j 4 sudo make install