我正在嘗試將使用Qt 5和Q_OBJECT
的共享庫從QMake過渡到CMake 3.2。這是當前CMakeLists.txt
文件:Q_OBJECT在將qmake項目轉換爲cmake時未指定類型
cmake_minimum_required(VERSION 3.2.2)
project(core)
# Find includes in corresponding build directories
set(CMAKE_INCLUDE_CURRENT_DIR ON)
# Instruct CMake to run moc automatically when needed.
set(CMAKE_AUTOMOC ON)
find_package(Qt5Core REQUIRED)
find_package(Qt5Gui REQUIRED)
find_package(Qt5Widgets REQUIRED)
find_package(Qt5Xml REQUIRED)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++1y -pedantic-errors -Werror -Wextra -O2 -g -fno-omit-frame-pointer -Woverloaded-virtual")
add_definitions(-DCORE_LIBRARY)
add_definitions(-DQT_PLUGIN)
add_definitions(-DQT_NO_DEBUG)
add_definitions(-DQT_SHARED)
add_library(core SHARED
src/reflect/TypeRegistry.h
src/Profiler.h
src/reflect/typeIdMacros.h
src/reflect/Reflect.h
src/AdapterManager.h
src/core_api.h
src/core.h
src/EnvisionApplication.h
src/EnvisionException.h
src/EnvisionManager.h
src/EnvisionPlugin.h
src/PluginInfo.h
src/global.h
src/precompiled.h
src/TestEvent.h
src/TestRunner.h
src/PluginManager.h
src/EnvisionWindow.h
src/reflect/TypeRegistry.cpp
src/Profiler.cpp
src/AdapterManager.cpp
src/EnvisionException.cpp
src/EnvisionManager.cpp
src/core.cpp
src/EnvisionApplication.cpp
src/TestEvent.cpp
src/TestRunner.cpp
src/PluginManager.cpp
src/EnvisionWindow.cpp
src/global.cpp)
target_link_libraries(core Qt5::Core Qt5::Widgets Qt5::Xml Qt5::Gui)
有了這個CMakeLists.txt
文件,我可以運行cmake
,它運行沒有任何錯誤或警告。然而,當我運行make
我得到一個錯誤:
$ make
[ 7%] Automatic moc for target core
Generating moc_EnvisionApplication.cpp
Generating moc_EnvisionWindow.cpp
Generating moc_TestRunner.cpp
[ 7%] Built target core_automoc
Scanning dependencies of target core
[ 14%] Building CXX object CMakeFiles/core.dir/src/reflect/TypeRegistry.cpp.o
[ 21%] Building CXX object CMakeFiles/core.dir/src/Profiler.cpp.o
[ 28%] Building CXX object CMakeFiles/core.dir/src/AdapterManager.cpp.o
[ 35%] Building CXX object CMakeFiles/core.dir/src/EnvisionException.cpp.o
[ 42%] Building CXX object CMakeFiles/core.dir/src/EnvisionManager.cpp.o
[ 50%] Building CXX object CMakeFiles/core.dir/src/core.cpp.o
In file included from /store/envision/envision/Core/src/core.cpp:27:0:
/store/envision/envision/Core/src/EnvisionWindow.h:30:1: error: expected class-name before ‘{’ token
{
^
/store/envision/envision/Core/src/EnvisionWindow.h:31:2: error: ‘Q_OBJECT’ does not name a type
Q_OBJECT
^
...
正如你所看到的,MOC運行,但似乎與Q_OBJECT
宏原頭文件傳遞的是gcc和它自然有不知道Q_OBJECT
是什麼,因此失敗。也許舊版本,QMake生成新的頭文件並使用它們而不是原始文件,或者以其他方式避免這個問題。
任何想法如何解決這個問題?我在網上查找,但沒有找到明確的答案,我覺得應該有一個直接的解決方案。希望我不必修改任何源代碼,因爲這只是較大項目的一小部分。