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我想編譯一個小的Qt例子到一個可執行文件（與test.cpp containg主），並且後來添加支持編譯非test.cpp代碼到它自己的庫。我正在使用qmake，但現在我試圖按照here的示例使用cmake。不幸的是，我收到了鏈接錯誤。看起來像構造函數，我正在編譯的cpp文件中定義的構造函數沒有在鏈接時找到。cmake連接本地文件時未定義的函數
$ make
Linking CXX executable test
CMakeFiles/test.dir/attribute_editor.cpp.o: In function `AttributeEditor::AttributeEditor(QWidget*)':
attribute_editor.cpp:(.text+0x2a): undefined reference to `vtable for AttributeEditor'
CMakeFiles/test.dir/bindable.cpp.o: In function `Bindable::Bindable(QObject*)':
bindable.cpp:(.text+0x50): undefined reference to `vtable for Bindable'
CMakeFiles/test.dir/bindable.cpp.o: In function `AttributeObject::AttributeObject()':
bindable.cpp:(.text._ZN15AttributeObjectC2Ev[_ZN15AttributeObjectC5Ev]+0x24): undefined reference to `vtable for AttributeObject'
collect2: error: ld returned 1 exit status
make[2]: *** [test] Error 1
make[1]: *** [CMakeFiles/test.dir/all] Error 2
make: *** [all] Error 2
這是我的cmake文件...
cmake_minimum_required(VERSION 2.8)
# http://qt-project.org/quarterly/view/using_cmake_to_build_qt_projects
PROJECT(qattrs)
FIND_PACKAGE(Qt4 REQUIRED)
SET(QT_USE_QTSCRIPT TRUE)
SET(qattrs_SOURCES test.cpp attribute_editor.cpp bindable.cpp)
SET(qattrs_HEADERS bindable.h attribute_editor.h)
QT4_WRAP_CPP(qattrs_HEADERS_MOC ${qattrs_HEADERS})
INCLUDE(${QT_USE_FILE})
ADD_DEFINITIONS(${QT_DEFINITIONS})
ADD_EXECUTABLE(test ${qattrs_SOURCES} ${qattrs_HEADER_MOC})
TARGET_LINK_LIBRARIES(test ${QT_LIBRARIES})
我不是很瞭解CMake的，但我相信它在連接過程中還不包括.o文件。
整個代碼（五或六個文件）在github上。