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Add support for Qt6 (as well as Qt5) #261

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Mar 15, 2024
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20 changes: 15 additions & 5 deletions CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -45,8 +45,12 @@ file(GLOB SRC_FILES
)

if(USE_QT_GUI)
find_package(Qt5Widgets CONFIG REQUIRED)
find_package(Qt5WebEngineWidgets CONFIG REQUIRED)
set(QT Qt6)
find_package(Qt6 COMPONENTS Widgets WebEngineWidgets CONFIG)
if(NOT Qt6_FOUND)
set(QT Qt5)
find_package(Qt5 REQUIRED COMPONENTS Widgets WebEngineWidgets CONFIG)
endif()

file(GLOB QT_GUI_SRC_FILES
src/gui_login.cpp
Expand Down Expand Up @@ -140,11 +144,17 @@ file(REMOVE ${CMAKE_BINARY_DIR}/test_atomic.cpp)

if(USE_QT_GUI)
target_link_libraries(${PROJECT_NAME}
PRIVATE Qt5::Widgets
PRIVATE Qt5::WebEngineWidgets
PRIVATE ${QT}::Widgets
PRIVATE ${QT}::WebEngineWidgets
)
endif(USE_QT_GUI)

if(Qt6_FOUND)
set_property(TARGET ${PROJECT_NAME} PROPERTY CXX_STANDARD 17)
else()
set_property(TARGET ${PROJECT_NAME} PROPERTY CXX_STANDARD 11)
endif(Qt6_FOUND)

if(MSVC)
# Force to always compile with W4
if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
Expand All @@ -154,7 +164,7 @@ if(MSVC)
endif()
elseif(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
# Update if necessary
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wall -Wextra -Wno-long-long -fexceptions")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wno-long-long -fexceptions")
endif()

set(INSTALL_BIN_DIR bin CACHE PATH "Installation directory for executables")
Expand Down
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