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Document that env variables are preferable to cmdline options

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Environment variables are passed along to child processes, command-line
options aren't.

Change-Id: Ia52c1d8cfeeb2f7490e73ac50b58ba07c2eebfa8
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@digia.com>
This commit is contained in:
Thiago Macieira 2014-05-05 16:27:39 -07:00 committed by The Qt Project
parent f528fff973
commit 78e57834ac
1 changed files with 8 additions and 1 deletions
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9
src/gui/kernel/qguiapplication.cpp
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@ -466,7 +466,14 @@ static QWindowGeometrySpecification windowGeometrySpecification;
\section1 Supported Command Line Options
All Qt programs automatically support the following command line options:
All Qt programs automatically support a set of command-line options that
allow modifying the way Qt will interact with the windowing system. Some of
the options are also accessible via environment variables, which are the
preferred form if the application can launch GUI sub-processes or other
applications (environment variables will be inherited by child processes).
When in doubt, use the environment variables.
The options currently supported are the following:
\list
\li \c{-platform} \e {platformName[:options]}, specifies the