On Sat, Oct 12, 2024 at 06:13:19PM GMT, Alyssa Ross wrote: > By default, rustc passes -nodefaultlibs to the linker. In some cases, > this can cause compiler builtins (e.g. __cpu_model, used by > __builtin_cpu_supports) not to be linked in: > > = note: > /nix/store/s2cjhni3s6shh0n35ay1hpj8d85k44qk-x86_64-unknown-linux-musl-binutils-2.43.1/bin/x86_64-unknown-linux-musl-ld: > ./libbcachefs.a(tools-util.o): in function `resolve_crc32c': > /build/source/c_src/tools-util.c:457:(.text+0x1023): undefined > reference to `__cpu_model' > collect2: error: ld returned 1 exit status > > I saw this with static musl GCC builds, and others have reported it with > Clang. > > Link: https://github.com/koverstreet/bcachefs-tools/issues/300 > Signed-off-by: Alyssa Ross <[email protected]>
Thanks! Applied
