\helpref{SetInstallPrefix}{wxstandardpathssetinstallprefix}, returns that
value, otherwise tries to determine it automatically (Linux only right
now) and finally returns the default \texttt{/usr/local} value if it failed.
\helpref{SetInstallPrefix}{wxstandardpathssetinstallprefix}, returns that
value, otherwise tries to determine it automatically (Linux only right
now) and finally returns the default \texttt{/usr/local} value if it failed.