_dietlibc_ver=${_dietlibc_ver##*dietlibc-}
_dietlibc_ver_maj=${_dietlibc_ver%%.*}
_dietlibc_ver_min=${_dietlibc_ver##*.}
- _dietlibc_ver_min=${_dietlibc_ver_min%%[!0-9]*}
+ _dietlibc_ver_min=${_dietlibc_ver_min%%[[!0-9]]*}
_dietlibc_cmp=$2
_dietlibc_cmp_maj=${_dietlibc_cmp%%.*}
_dietlibc_cmp_min=${_dietlibc_cmp##*.}