After an emerge --depclean, I see >>> package: dev-util/babeltrace-1.5.8 * - /usr/lib64/libbabeltrace-ctf.so.1 * - /usr/lib64/libbabeltrace-ctf.so.1.0.0 * used by /usr/bin/gdb (sys-devel/gdb-13.2-r1) * - /usr/lib64/libbabeltrace.so.1 * - /usr/lib64/libbabeltrace.so.1.0.0 * used by /usr/bin/gdb (sys-devel/gdb-13.2-r1) And $ scanelf -n /usr/bin/gdb TYPE NEEDED FILE ET_DYN libreadline.so.8,libz.so.1,libzstd.so.1,libtinfow.so.6,libncursesw.so.6,libpython3.11.so.1.0,libexpat.so.1,liblzma.so.5,libbabeltrace.so.1,libbabeltrace-ctf.so.1,libmpfr.so.6,libgmp.so.10,libxxhash.so.0,libstdc++.so.6,libm.so.6,libgcc_s.so.1,libc.so.6 /usr/bin/gdb