cc -pipe -O   -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations math/M_LOG10El.c -o math/M_LOG10El -D_POSIX_C_SOURCE=202405L  -lm -lpthread -lrt  -lrt -lcrypt
math/M_LOG10El.c:8:26: error: 'M_LOG10El' undeclared here (not in a function); did you mean 'M_LOG10E'?
 long double  const foo = M_LOG10El;
                          ^~~~~~~~~
                          M_LOG10E