cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations math/ldexpl.c -o math/ldexpl -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
math/ldexpl.c:5:40: error: ‘ldexpl’ undeclared here (not in a function); did you mean ‘ldexpf’?
    5 | long double (*foo)(long double, int) = ldexpl;
      |                                        ^~~~~~
      |                                        ldexpf