将Qt与OpenGL结合使用:不编译

mspsb9vt  于 2022-11-04  发布在  其他
关注(0)|答案(1)|浏览(208)

我试图用Qt创建一个项目,用QOpenGLWidget和CMake作为构建工具。问题是它不能编译,我不知道为什么。

[...]\include\ui_MainWindow.h:79: błąd: undefined reference to `__imp__ZN13QOpenGLWidgetC1EP7QWidget6QFlagsIN2Qt10WindowTypeEE'

这是我的CMakeLists.txt文件:

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文件中,我只创建了一个QOpenGLWidget小部件。

3pmvbmvn

3pmvbmvn1#

在Qt6中,QOpenGLWidget被移到了一个名为OpenGLWidgets的新模块中。要使程序正常运行,需要将OpenGLWidgets添加到find_package命令中,将Qt6::OpenGLWidgets添加到target_link_libraries命令中。

find_package(Qt6 COMPONENTS Widgets OpenGL OpenGLWidgets REQUIRED)
target_link_libraries(QtTest PRIVATE Qt6::Widgets Qt6::OpenGL Qt6::OpenGLWidgets)

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