I found a related email: https://lists.gnu.org/archive/html/bug-gnulib/2023-07/msg00123.html +@item +The macros @code{FNM_LEADING_DIR} and @code{FNM_CASEFOLD} are not defined +on some platforms: +AIX 7.2, HP-UX 11.31, IRIX 6.5, Solaris 10.