The following tests fail to build on x86_64
openat2:
tools/testing/selftests/openat2' gcc -Wall -O2 -g -fsanitize=address -fsanitize=undefined openat2_test.c helpers.c -o tools/testing/selftests/openat2/openat2_test In file included from /usr/include/fcntl.h:301, from helpers.c:9: In function ‘openat’, inlined from ‘touchat’ at helpers.c:49:11: /usr/include/x86_64-linux-gnu/bits/fcntl2.h:126:4: error: call to ‘__openat_missing_mode’ declared with attribute error: openat with O_CREAT or O_TMPFILE in third argument needs 4 arguments 126 | __openat_missing_mode (); | ^~~~~~~~~~~~~~~~~~~~~~~~
timerns:
tools/testing/selftests/timens' gcc -Wall -Werror -pthread -lrt -ldl timens.c -o tools/testing/selftests/timens/timens /usr/bin/ld: /tmp/ccGy5CST.o: in function `check_config_posix_timers': timens.c:(.text+0x65a): undefined reference to `timer_create' collect2: error: ld returned 1 exit status
thanks, -- Shuah