\newcommand{\ttw}{4.33cm} % 1/3 of the textwidth
\newcommand{\htw}{7.5cm} % 1/2 of the textwidth
\newcommand{\ntw}{13cm} % 0.9 of the textwidth
-\newcommand{\gmxver}{@PROJECT_VERSION@}
+\newcommand{\gmxver}{@GMX_VERSION_STRING@}
\newcommand{\gmxyear}{\the\year}
\newcommand{\figref}[1]{Fig.~\ref{fig:#1}}
\newcommand{\figsref}[2]{Figs.~\ref{fig:#1} and ~\ref{fig:#2}}