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Autodetect Qt major version #206

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Autodetect Qt major version #206

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15 changes: 6 additions & 9 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -9,10 +9,7 @@ add_library(${PROJECT_NAME} STATIC
singleapplication_p.cpp
)

# User configurable options
if(NOT QT_DEFAULT_MAJOR_VERSION)
set(QT_DEFAULT_MAJOR_VERSION 5 CACHE STRING "Qt version to use (5 or 6), defaults to 5")
endif()
find_package(QT NAMES Qt6 Qt5 REQUIRED COMPONENTS Core Network)

if(NOT QAPPLICATION_CLASS)
set(QAPPLICATION_CLASS QCoreApplication CACHE STRING "Qt application base class or FreeStandingSingleApplication")
Expand All @@ -26,23 +23,23 @@ endif()

# Find dependencies
set(QT_COMPONENTS Core Network)
set(QT_LIBRARIES Qt${QT_DEFAULT_MAJOR_VERSION}::Core Qt${QT_DEFAULT_MAJOR_VERSION}::Network)
set(QT_LIBRARIES Qt${QT_VERSION_MAJOR}::Core Qt${QT_VERSION_MAJOR}::Network)

if(QAPPLICATION_CLASS STREQUAL QApplication)
list(APPEND QT_COMPONENTS Widgets)
list(APPEND QT_LIBRARIES Qt${QT_DEFAULT_MAJOR_VERSION}::Widgets)
list(APPEND QT_LIBRARIES Qt${QT_VERSION_MAJOR}::Widgets)
elseif(QAPPLICATION_CLASS STREQUAL QGuiApplication)
list(APPEND QT_COMPONENTS Gui)
list(APPEND QT_LIBRARIES Qt${QT_DEFAULT_MAJOR_VERSION}::Gui)
list(APPEND QT_LIBRARIES Qt${QT_VERSION_MAJOR}::Gui)
endif()

find_package(Qt${QT_DEFAULT_MAJOR_VERSION} COMPONENTS ${QT_COMPONENTS} REQUIRED)

option(SINGLEAPPLICATION_DOCUMENTATION "Generate Doxygen documentation" OFF)
if(SINGLEAPPLICATION_DOCUMENTATION)
find_package(Doxygen)
endif()

find_package(Qt${QT_VERSION_MAJOR} COMPONENTS ${QT_COMPONENTS} REQUIRED)

target_link_libraries(${PROJECT_NAME} PUBLIC ${QT_LIBRARIES})

if(WIN32)
Expand Down