cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations math/lroundl.c -o math/lroundl -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
math/lroundl.c:5:28: error: ‘lroundl’ undeclared here (not in a function); did you mean ‘lroundf’?
    5 | long (*foo)(long double) = lroundl;
      |                            ^~~~~~~
      |                            lroundf