You may use these options to turn on strict plugin loading.

-buildkey .... Build the Qt library and plugins using the specified
. When the library loads plugins, it will only
load those that have a matching key.

Configure options:

The defaults (*) are usually acceptable. A plus (+) denotes a default value
that needs to be eva luated. If the eva luation succeeds, the feature is
included. Here is a short explanation of each option:

（默认选项（*）是通用的，带有+号的代表一个正在测试的值，如果测试成功这个选项将被编译）

* -release ........... Compile and link Qt with debugging turned off.
-debug ............. Compile and link Qt with debugging turned on.
-debug-and-release . Compile and link two versions of Qt, with and without
debugging turned on (Mac only).

-developer-build ... Compile and link Qt with Qt developer options (including auto-tests exporting)

-opensource ........ Compile and link the Open-Source Edition of Qt.
-commercial ........ Compile and link the Commercial Edition of Qt.

* -shared ............ Create and use shared Qt libraries.
-static ............ Create and use static Qt libraries.

* -no-fast ........... Configure Qt normally by generating Makefiles for all
project files.
-fast .............. Configure Qt quickly by generating Makefiles only for
library and subdirectory targets. All other Makefiles
are created as wrappers, which will in turn run qmake.

-no-largefile ...... Disables large file support.
+ -largefile ......... Enables Qt to access files larger than 4 GB.

* -no-exceptions ..... Disable exceptions on compilers that support it.
-exceptions ........ Enable exceptions on compilers that support it.

-no-accessibility .. Do not compile Accessibility support.
* -accessibility ..... Compile Accessibility support.

-no-stl ............ Do not compile STL support.
* -stl ............... Compile STL support.

-no-sql- ... Disable SQL entirely.
-qt-sql- ... Enable a SQL in the QtSql library, by default
none are turned on.
-plugin-sql- Enable SQL as a plugin to be linked to
at run time.

Possible values for :