[Qt-interest] How to write CMakeLists.txt when Q_OBJECT in xxx.cpp file

[Clinton Stimpson]

This is a bit better:

#CMakeLists.txt
PROJECT(mytest)
CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
FIND_PACKAGE(Qt4 COMPONENTS QtCore QtGui REQUIRED)
INCLUDE(${QT_USE_FILE})
SET(pro_SOURCES  main.cpp)

QT4_GENERATE_MOC(main.cpp ${CMAKE_CURRENT_BINARY_DIR}/main.moc)

INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR})
ADD_EXECUTABLE(mytest  ${pro_SOURCES} ${CMAKE_CURRENT_BINARY_DIR}/main.moc)
TARGET_LINK_LIBRARIES(mytest ${QT_LIBRARIES})


You were manually specifying dependencies, but if you put main.moc (or 
any other generated file) in the add_executable(), cmake computes those 
dependencies for you.

Clint

On 07/31/2010 10:15 AM, 1+1=2 wrote:
> I found an solution, which seems to work under Mingw, MSVC and linux now.
>
> #CMakeLists.txt
> PROJECT(mytest)
> CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
> FIND_PACKAGE(Qt4 COMPONENTS QtCore QtGui REQUIRED)
> INCLUDE(${QT_USE_FILE})
> SET(pro_SOURCES  main.cpp)
>
> QT4_GENERATE_MOC(main.cpp main.moc)
> SET_SOURCE_FILES_PROPERTIES(main.cpp PROPERTIES OBJECT_DEPENDS main.moc)
>
> INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR})
> ADD_DEFINITIONS(${QT_DEFINITIONS})
> ADD_EXECUTABLE(mytest  ${pro_SOURCES})
> TARGET_LINK_LIBRARIES(mytest ${QT_LIBRARIES})
>
>
> Debao
>
> On Sun, Aug 1, 2010 at 12:04 AM, Guido Seifert<Wargand at gmx.de>  wrote:
>    
>>
>>
>>      
>>> Thank you, but this does not work if your xxx.cpp file contains Q_OBJECT.
>>>        
>> Come to think about this, does this even work? I mean Q_OBJECT in .cpp not in .h?  Q_OBJECT belongs in the class declaration, which is usually found in the header. Should not even compile if you have signals or slots in your header.
>>
>> Guido
>>
>> --
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