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/compiler/CMakeFiles/flatcc.dir/__/runtime/builder.c.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/src/compiler/CMakeFiles/flatcc.dir/codegen_c_json_parser.c.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 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/compiler/CMakeFiles/flatcc.dir/codegen_c_json_printer.c.o] Error 143 make[1]: *** [source_subfolder/src/compiler/CMakeFiles/flatcc.dir/all] Error 2 make: *** [all] Error 2 flatcc/0.6.0: ERROR: Package 'c60ebc918b9cfda78d4a76b4cfa2de8598bbf0c1' build failed flatcc/0.6.0: WARN: Build folder /home/conan/w/cci_PR-3908/.conan/data/flatcc/0.6.0/_/_/build/c60ebc918b9cfda78d4a76b4cfa2de8598bbf0c1 ERROR: flatcc/0.6.0: Error in build() method, line 97 cmake.build() ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-3908/.conan/data/flatcc/0.6.0/_/_/build/c60ebc918b9cfda78d4a76b4cfa2de8598bbf0c1/build_subfolder' '--' '-j3'