* lib/fnmatch.c (WIDE_CHAR_SUPPORT): Require HAVE_ISWCTYPE, too. * lib/regex_internal.h (RE_ENABLE_I18N): Likewise. * m4/fnmatch.m4 (_AC_LIBOBJ_FNMATCH): Check for iswctype, too. * m4/regex.m4 (gl_PREREQ_REGEX): Likewise.