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1 \section{Environment variables}\label{envvars}
2 %\setheader{{\it CHAPTER \thechapter}}{}{}{}{}{{\it CHAPTER \thechapter}}%
3 %\setfooter{\thepage}{}{}{}{}{\thepage}%
4
5 This section describes all environment variables that affect execution of
6 wxWidgets programs.
7
8 \twocolwidtha{5cm}%
9 \begin{twocollist}\itemsep=0pt
10
11 \twocolitem{\tt{WXTRACE}}{(Debug build only.)
12 This variable can be set to a comma-separated list of trace masks used in
13 \helpref{wxLogTrace}{wxlogtrace} calls;
14 \helpref{wxLog::AddTraceMask}{wxlogaddtracemask} is called for every mask
15 in the list during wxWidgets initialization.}
16
17 \twocolitem{\tt{WXPREFIX}}{(Unix only.)
18 Overrides installation prefix. Normally, the prefix
19 is hard-coded and is the same as the value passed to {\tt configure} via
20 the {\tt --prefix} switch when compiling the library (typically
21 {\tt /usr/local} or {\tt /usr}). You can set WXPREFIX if you are for example
22 distributing a binary version of an application and you don't know in advance
23 where it will be installed.}
24
25 \twocolitem{\tt{WXMODE}}{(wxMGL only.)
26 Sets MGL video mode. The value must be in form
27 {\it width}x{\it height}-{\it depth}. The default is {\tt 640x480-16}.}
28
29 \twocolitem{\tt{WXSTDERR}}{(wxMGL only.)
30 Redirects stderr output to a file.}
31
32 \end{twocollist}