CMake Warning at source_subfolder/cmake/findDependencies.cmake:11 (message): If you do not want to install Eigen you can turn on the option USE_OWN_EIGEN3 Call Stack (most recent call first): source_subfolder/CMakeLists.txt:14 (include) CMake Warning: Manually-specified variables were not used by the project: 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 clang: error: unable to execute command: Terminated clang: error: clang frontend command failed due to signal (use -v to see invocation) clang version 6.0.0-1ubuntu2 (tags/RELEASE_600/final) Target: x86_64-pc-linux-gnu Thread model: posix InstalledDir: /usr/bin clang: note: diagnostic msg: PLEASE submit a bug report to http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and associated run script. Terminated make[2]: *** [source_subfolder/src/CMakeFiles/aruco.dir/dcf/dcfmarkermaptracker.cpp.o] Error 143 make[1]: *** [source_subfolder/src/CMakeFiles/aruco.dir/all] Error 2 make: *** [all] Error 2 aruco/3.1.12: ERROR: Package '887cf6ac932990a4ff8a03a87d6cf02672c87de2' build failed aruco/3.1.12: WARN: Build folder /home/conan/w/cci_PR-3646/.conan/data/aruco/3.1.12/_/_/build/887cf6ac932990a4ff8a03a87d6cf02672c87de2 ERROR: Exiting with code: 5