CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY CONAN_COMPILER CONAN_COMPILER_VERSION CONAN_CXX_FLAGS CONAN_C_FLAGS CONAN_EXPORTED CONAN_IN_LOCAL_CACHE CONAN_LIBCXX CONAN_SHARED_LINKER_FLAGS OPENSSL_SEARCH_PATH clang: error: unable to execute command: Terminated clang: error: clang frontend command failed due to signal (use -v to see invocation) clang version 8.0.0-3 (tags/RELEASE_800/final) Target: x86_64-pc-linux-gnu Thread model: posix InstalledDir: /usr/bin clang: note: diagnostic msg: PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script. Terminated make[2]: *** [lib/CMakeFiles/libmosquitto.dir/build.make:310: lib/CMakeFiles/libmosquitto.dir/mosquitto.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 8.0.0-3 (tags/RELEASE_800/final) Target: x86_64-pc-linux-gnu Thread model: posix InstalledDir: /usr/bin clang: note: diagnostic msg: PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script. Terminated make[2]: *** [lib/CMakeFiles/libmosquitto.dir/build.make:323: lib/CMakeFiles/libmosquitto.dir/net_mosq_ocsp.c.o] Error 143 make[2]: *** [lib/CMakeFiles/libmosquitto.dir/build.make:336: lib/CMakeFiles/libmosquitto.dir/net_mosq.c.o] Terminated make[1]: *** [CMakeFiles/Makefile2:114: lib/CMakeFiles/libmosquitto.dir/all] Terminated make: *** [Makefile:141: all] Error 2 [HOOK - conan-center.py] pre_export(): WARN: [FPIC OPTION (KB-H006)] This recipe does not include an 'fPIC' option. Make sure you are using the right casing mosquitto/2.0.3: ERROR: Package '07ae2c2f6b01c3da938668893bdadc0e9bfd19e7' build failed mosquitto/2.0.3: WARN: Build folder /home/conan/w/cci_PR-3949/.conan/data/mosquitto/2.0.3/_/_/build/07ae2c2f6b01c3da938668893bdadc0e9bfd19e7 ERROR: mosquitto/2.0.3: Error in build() method, line 67 cmake.build() ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-3949/.conan/data/mosquitto/2.0.3/_/_/build/07ae2c2f6b01c3da938668893bdadc0e9bfd19e7' '--' '-j3' Terminated