CMake Warning: Manually-specified variables were not used by the project: BUILD_module_keypoints BUILD_module_registration BUILD_module_tracking 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 CONAN_PCL_VERSION 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/search/CMakeFiles/pcl_search.dir/src/search.cpp.o] Error 143 make[1]: *** [source_subfolder/search/CMakeFiles/pcl_search.dir/all] Error 2 make[1]: *** Waiting for unfinished jobs.... 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/sample_consensus/CMakeFiles/pcl_sample_consensus.dir/src/sac_model_sphere.cpp.o] Error 143 make[2]: *** Waiting for unfinished jobs.... 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/sample_consensus/CMakeFiles/pcl_sample_consensus.dir/src/sac_model_registration.cpp.o] Error 143 make[1]: *** [source_subfolder/sample_consensus/CMakeFiles/pcl_sample_consensus.dir/all] Error 2 make: *** [all] Error 2 pcl/1.11.1: WARN: Build folder is dirty, removing it: /home/conan/w/cci_PR-1891/.conan/data/pcl/1.11.1/_/_/build/e13e7b2a41d5a9eca1734abb18cce8af5c0e43fc ERROR: Exiting with code: 5