https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107134
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to cqwrteur from comment #0) > x86_64-elf-g++ -c b.cc -std=c++23 > In file included from > /home/cqwrteur/toolchains/native/x86_64-elf/x86_64-elf/include/c++/13.0.0/ > cstdint:41, > from b.cc:1: > /home/cqwrteur/toolchains/native/x86_64-elf/lib/gcc/x86_64-elf/13.0.0/ > include/stdint.h:9:16: fatal error: stdint.h: No such file or directory Wait a minute, why do you even have libstdc++'s <stdint.h> installed for this configuration?