cc -pthread   -Wall -Wextra -Werror=implicit-function-declaration stdlib/qsort_r.c -o stdlib/qsort_r -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread -lrt  -lintl -liconv
[cc@relibc::platform::sys:699 INFO] TODO: getrlimit(3, 0x7ffffffffb80): not implemented
[cc1@relibc::platform::sys:699 INFO] TODO: getrlimit(3, 0x7ffffffffa90): not implemented
[cc1@relibc::platform::sys:699 INFO] TODO: getrlimit(9, 0x7ffffffffa60): not implemented
[cc1@relibc::platform::sys:699 INFO] TODO: getrlimit(9, 0x7ffffffffa90): not implemented
[cc1@relibc::platform::sys:699 INFO] TODO: getrlimit(5, 0x7ffffffffa90): not implemented
[cc1@relibc::platform::sys:699 INFO] TODO: getrlimit(9, 0x7ffffffffa60): not implemented
stdlib/qsort_r.c: In function 'main':
stdlib/qsort_r.c:21:9: error: implicit declaration of function 'qsort_r'; did you mean 'qsort'? [-Werror=implicit-function-declaration]
   21 |         qsort_r(numbers, sizeof(numbers) / sizeof(int), sizeof(int), compare_int_r,
      |         ^~~~~~~
      |         qsort
cc1: some warnings being treated as errors