pat='This is wimlib version [^[:space:]]\+ ([^[:space:]]\+ [^[:space:]]\+)'
sed -i "s/$pat/This is wimlib version $newver ($newmonth $newyear)/" README
-sed -i "s/$oldver/$newver/" configure.ac
+sed -i "s/$oldver/$newver/" tools/get-version-number
sed -i -e 's/\(#define WIMLIB_MAJOR_VERSION[[:space:]]\+\)[[:digit:]]\+/\1'$newmajor'/' \
-e 's/\(#define WIMLIB_MINOR_VERSION[[:space:]]\+\)[[:digit:]]\+/\1'$newminor'/' \