CMake Warning at source_subfolder/CMakeLists.txt:346 (message): Cannot determine Eigen version, missing file: `/Eigen/src/Core/util/Macros.h` CMake Warning: Manually-specified variables were not used by the project: Boost_NO_SYSTEM_PATHS Boost_USE_STATIC_LIBS CMAKE_EXPORT_NO_PACKAGE_REGISTRY CMAKE_INSTALL_BINDIR CMAKE_INSTALL_DATAROOTDIR CMAKE_INSTALL_INCLUDEDIR CMAKE_INSTALL_LIBDIR CMAKE_INSTALL_LIBEXECDIR CMAKE_INSTALL_OLDINCLUDEDIR CMAKE_INSTALL_SBINDIR GTSAM_BUILD_DOCS GTSAM_BUILD_DOC_HTML GTSAM_WRAP_SERIALIZATION g++: internal compiler error: Terminated (program cc1plus) Please submit a full bug report, with preprocessed source if appropriate. See for instructions. make[2]: *** [source_subfolder/gtsam/CMakeFiles/gtsam.dir/base/Matrix.cpp.o] Error 4 make[2]: *** Waiting for unfinished jobs.... g++: internal compiler error: Terminated (program cc1plus) Please submit a full bug report, with preprocessed source if appropriate. See for instructions. make[2]: *** [source_subfolder/gtsam/CMakeFiles/gtsam.dir/base/cholesky.cpp.o] Error 4 g++: internal compiler error: Terminated (program cc1plus) Terminated make[2]: *** [source_subfolder/gtsam/CMakeFiles/gtsam.dir/base/debug.cpp.o] Error 143 make[1]: *** [source_subfolder/gtsam/CMakeFiles/gtsam.dir/all] Error 2 make: *** [all] Error 2 boost/1.75.0: WARN: Picked up a system libbacktrace library gtsam/4.0.2: WARN: Build folder is dirty, removing it: /home/conan/w/cci_PR-4540/.conan/data/gtsam/4.0.2/_/_/build/0ec2f873b6873a96efb41952e15dac0451459dd9 gtsam/4.0.2: ERROR: Package '0ec2f873b6873a96efb41952e15dac0451459dd9' build failed gtsam/4.0.2: WARN: Build folder /home/conan/w/cci_PR-4540/.conan/data/gtsam/4.0.2/_/_/build/0ec2f873b6873a96efb41952e15dac0451459dd9 ERROR: Exiting with code: 5