CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY CMAKE_INSTALL_DATAROOTDIR CMAKE_INSTALL_LIBEXECDIR CMAKE_INSTALL_OLDINCLUDEDIR CMAKE_INSTALL_SBINDIR g++: internal compiler error: Terminated (program cc1plus) Please submit a full bug report, with preprocessed source if appropriate. See for instructions. make[2]: *** [source_subfolder/CMakeFiles/mailio.dir/src/message.cpp.o] Error 4 make[2]: *** Waiting for unfinished jobs.... g++: internal compiler error: Terminated (program cc1plus) Please submit a full bug report, with preprocessed source if appropriate. See for instructions. make[2]: *** [source_subfolder/CMakeFiles/mailio.dir/src/dialog.cpp.o] Error 4 g++: internal compiler error: Terminated (program cc1plus) Please submit a full bug report, with preprocessed source if appropriate. See for instructions. make[2]: *** [source_subfolder/CMakeFiles/mailio.dir/src/imap.cpp.o] Error 4 make[1]: *** [source_subfolder/CMakeFiles/mailio.dir/all] Error 2 make: *** [all] Error 2 mailio/0.20.0: ERROR: Package 'ea1d40f799b3759644e44ded6e6b9d6767edf422' build failed mailio/0.20.0: WARN: Build folder /home/conan/w/cci_PR-4017/.conan/data/mailio/0.20.0/_/_/build/ea1d40f799b3759644e44ded6e6b9d6767edf422 ERROR: mailio/0.20.0: Error in build() method, line 68 cmake.build() ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-4017/.conan/data/mailio/0.20.0/_/_/build/ea1d40f799b3759644e44ded6e6b9d6767edf422/build_subfolder' '--' '-j3' Terminated