我正在嘗試使用QOpenGLWidget和 CMake 作為構建工具在 Qt 中創建一個專案。問題是它沒有編譯，我不知道為什么。
[...]\include\ui_MainWindow.h:79: b??d: undefined reference to `__imp__ZN13QOpenGLWidgetC1EP7QWidget6QFlagsIN2Qt10WindowTypeEE'
那是我的 CMakeLists.txt 檔案：
cmake_minimum_required(VERSION 3.5)
project(QtTest VERSION 0.1 LANGUAGES CXX)
set(CMAKE_INCLUDE_CURRENT_DIR ON)
set(CMAKE_AUTOUIC ON)
set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTORCC ON)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
find_package(OpenGL REQUIRED)
find_package(QT NAMES Qt6 Qt5 COMPONENTS Widgets REQUIRED)
find_package(Qt${QT_VERSION_MAJOR} COMPONENTS Widgets REQUIRED)
find_package(Qt${QT_VERSION_MAJOR} COMPONENTS OpenGL REQUIRED)
set(PROJECT_SOURCES
src/main.cpp
src/MainWindow.cpp
src/MainWindow.hpp
src/MainWindow.ui
)
if(${QT_VERSION_MAJOR} GREATER_EQUAL 6)
qt_add_executable(QtTest
MANUAL_FINALIZATION
${PROJECT_SOURCES}
)
else()
add_executable(QtTest
${PROJECT_SOURCES}
)
endif()
target_link_libraries(QtTest PRIVATE Qt${QT_VERSION_MAJOR}::Widgets Qt${QT_VERSION_MAJOR}::OpenGL)
set_target_properties(QtTest PROPERTIES
MACOSX_BUNDLE_GUI_IDENTIFIER my.example.com
MACOSX_BUNDLE_BUNDLE_VERSION ${PROJECT_VERSION}
MACOSX_BUNDLE_SHORT_VERSION_STRING ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}
MACOSX_BUNDLE TRUE
WIN32_EXECUTABLE TRUE
)
if(QT_VERSION_MAJOR EQUAL 6)
qt_finalize_executable(QtTest)
endif()
在我的MainWindow.ui檔案中，我只創建了一個QOpenGLWidget小部件。
uj5u.com熱心網友回復：
在 Qt6QOpenGLWidget中被移動到一個名為OpenGLWidgets. 要使您的程式作業，您需要添加OpenGLWidgets到您的命令find_package和命令中。Qt6::OpenGLWidgetstarget_link_libraries
find_package(Qt6 COMPONENTS Widgets OpenGL OpenGLWidgets REQUIRED)
target_link_libraries(QtTest PRIVATE Qt6::Widgets Qt6::OpenGL Qt6::OpenGLWidgets)
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