CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY clang: error: unable to execute command: Terminated clang: error: clang frontend command failed due to signal (use -v to see invocation) clang version 5.0.0-3 (tags/RELEASE_500/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/cmake/CMakeFiles/libprotobuf.dir/__/src/google/protobuf/dynamic_message.cc.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 5.0.0-3 (tags/RELEASE_500/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/cmake/CMakeFiles/libprotobuf.dir/__/src/google/protobuf/descriptor.cc.o] Error 143 clang: error: unable to execute command: Terminated clang: error: clang frontend command failed due to signal (use -v to see invocation) clang version 5.0.0-3 (tags/RELEASE_500/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/cmake/CMakeFiles/libprotobuf.dir/__/src/google/protobuf/descriptor.pb.cc.o] Error 143 make[1]: *** [source_subfolder/cmake/CMakeFiles/libprotobuf.dir/all] Error 2 make: *** [all] Error 2 protobuf/3.9.1: ERROR: Package '7e125ee3b8d0acee254624864244a0ccf013d44f' build failed protobuf/3.9.1: WARN: Build folder /home/conan/w/cci_PR-2037/.conan/data/protobuf/3.9.1/_/_/build/7e125ee3b8d0acee254624864244a0ccf013d44f ERROR: protobuf/3.9.1: Error in build() method, line 102 cmake.build() ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-2037/.conan/data/protobuf/3.9.1/_/_/build/7e125ee3b8d0acee254624864244a0ccf013d44f/build_subfolder' '--' '-j3' Terminated