gl_fnmatch_cache_var="gl_cv_func_fnmatch_${gl_fnmatch_required_lowercase}"
AC_CACHE_CHECK([for working $gl_fnmatch_required fnmatch],
[$gl_fnmatch_cache_var],
gl_fnmatch_cache_var="gl_cv_func_fnmatch_${gl_fnmatch_required_lowercase}"
AC_CACHE_CHECK([for working $gl_fnmatch_required fnmatch],
[$gl_fnmatch_cache_var],