Get Qt installation information: including installation directory and various macro addresses

The installation information of Qt can be obtained through qmake or QLibraryInfo class.

1. Using QMake

Execute cmd to enter the console page, and then execute the command:

qmake -query

The effect is as follows:

Second, using QLibraryInfo

You can use the location function of the QLibraryInfo class in the program to get the installation information of Qt.

QString QLibraryInfo::location(QLibraryInfo::LibraryLocation loc);

Available enumeration parameters:

enum LibraryLocation{PrefixPath = 0,DocumentationPath,HeadersPath,LibrariesPath,LibraryExecutablesPath,BinariesPath,PluginsPath,ImportsPath,Qml2ImportsPath,ArchDataPath,DataPath,TranslationsPath,ExamplesPath,TestsPath,#ifdef QT_BUILD_QMAKESysrootPath,SysrootifyPrefixPath,HostBinariesPath,HostLibrariesPath,HostDataPath,TargetSpecPath,HostSpecPath,HostPrefixPath,LastHostPath = HostPrefixPath,#endifSettingsPath = 100};