\begingroup
\catcode`\&=12
\catcode`\_=12
\catcode`\$=12
\catcode`\#=12
\catcode`\%=12
\catcode`\^=13
\catcode`\~=13
\gdef\vers{@version@}
\gdef\includedir{@includedir@}
\gdef\libdir{@libdir@}
\endgroup