[CMake] Re: cmake linking problem
Hi
Thank you all, problem solved, off course it was a case of RTFM... I
have just left out the generating of the moc files
Thanks
best regards
Anders
On 7/13/07, Anders Sandholm [EMAIL PROTECTED] wrote:
Hi
Using Cmake (vtk) with QT and trying to build using visual studio
2005. Now I have compiled both vtk and QT with visual studio 2005, and
simple QT applications (like hello world workes perfekt) but now I try
to do some a little more advanced and I get a linking problem.
The source code that I try to compile is the Sliders Example
(http://doc.trolltech.com/4.0/widgets-sliders.html)
(the HelloWorld example I can compile with cmake)
Now I am new to CMake, but the CMake file I am using look like:
PROJECT (Test)
FIND_PACKAGE(VTK REQUIRED)
find_package(Qt4 REQUIRED)
IF(NOT VTK_USE_RENDERING)
MESSAGE(FATAL_ERROR Example ${PROJECT_NAME} requires VTK_USE_RENDERING.)
ENDIF(NOT VTK_USE_RENDERING)
INCLUDE(${VTK_USE_FILE})
include(${QT_USE_FILE})
# the next line sets up include and link directories and defines some
variables that we will use.
# you can modify the behavior by setting some variables, e.g.
# set(QT_USE_OPENGL TRUE)
# - this will cause cmake to include and link against the OpenGL module
include(${QT_USE_FILE})
# the variable qtproject_SRCS contains all .cpp files of this project
set(qtproject_SRCS
main.cpp
window.h
window.cpp
slidersgroup.h
slidersgroup.cpp
)
INCLUDE_DIRECTORIES(qtproject_SRCS
${QT_INCLUDE_DIR}
${QT_QTNETWORK_INCLUDE_DIR}
${QT_QTTEST_INCLUDE_DIR}
)
link_directories(qtproject_srcs
${QT_LIBRARIES}
${QT_QTNETWORK_LIBRARIES}
${QT_QTTEST_LIBRARIES}
)
# tell cmake to create .moc files for all files in the variable
qtproject_SRCS that require such a file.
# note: this assumes that you use #include header.moc in your files
qt4_automoc(${qtproject_SRCS})
# create an executable file named qtproject from the source files in
the variable qtproject_SRCS.
add_executable(qtproject ${qtproject_SRCS})
TARGET_LINK_LIBRARIES(qtproject
${QT_LIBRARIES}
${QT_QTNETWORK_LIBRARIES}
${QT_QTTEST_LIBRARIES}
)
Now when I build in vs2005 it says:
1-- Build started: Project: qtproject, Configuration: Release Win32 --
1Linking...
1window.obj : error LNK2019: unresolved external symbol public:
static struct QMetaObject const Window::staticMetaObject
([EMAIL PROTECTED]@@2UQMetaObject@@B) referenced in function
public: static class QString __cdecl Window::tr(char const *,char
const *) ([EMAIL PROTECTED]@@SA?AVQString@@[EMAIL PROTECTED])
1window.obj : error LNK2001: unresolved external symbol public:
virtual struct QMetaObject const * __thiscall
Window::metaObject(void)const
([EMAIL PROTECTED]@@UBEPBUQMetaObject@@XZ)
1window.obj : error LNK2001: unresolved external symbol public:
virtual void * __thiscall Window::qt_metacast(char const *)
([EMAIL PROTECTED]@@[EMAIL PROTECTED])
1window.obj : error LNK2001: unresolved external symbol public:
virtual int __thiscall Window::qt_metacall(enum
QMetaObject::Call,int,void * *)
([EMAIL PROTECTED]@@[EMAIL PROTECTED]@@[EMAIL PROTECTED])
1slidersgroup.obj : error LNK2001: unresolved external symbol
public: virtual struct QMetaObject const * __thiscall
SlidersGroup::metaObject(void)const
([EMAIL PROTECTED]@@UBEPBUQMetaObject@@XZ)
1slidersgroup.obj : error LNK2001: unresolved external symbol
public: virtual void * __thiscall SlidersGroup::qt_metacast(char
const *) ([EMAIL PROTECTED]@@[EMAIL PROTECTED])
1slidersgroup.obj : error LNK2001: unresolved external symbol
public: virtual int __thiscall SlidersGroup::qt_metacall(enum
QMetaObject::Call,int,void * *)
([EMAIL PROTECTED]@@[EMAIL PROTECTED]@@[EMAIL PROTECTED])
1Release\qtproject.exe : fatal error LNK1120: 7 unresolved externals
1Build log was saved at file://z:\temp2\qtproject.dir\Release\BuildLog.htm
1qtproject - 8 error(s), 0 warning(s)
== Build: 0 succeeded, 1 failed, 1 up-to-date, 0 skipped ==
The BuildLog.htm says
Build Log Build started: Project: qtproject, Configuration: Release|Win32
Command Lines Creating temporary file
z:\temp2\qtproject.dir\Release\RSP0136204020.rsp with contents
[
/OUT:Release\qtproject.exe /VERSION:0.0 /INCREMENTAL:NO
/LIBPATH:c:\vtkBin\bin\Release /LIBPATH:c:\vtkBin\bin
/LIBPATH:qtproject_srcs\Release /LIBPATH:qtproject_srcs
/LIBPATH:optimized\Release /LIBPATH:optimized
/LIBPATH:c:\QT\lib\QtGui4.lib\Release
/LIBPATH:c:\QT\lib\QtGui4.lib /LIBPATH:debug\Release
/LIBPATH:debug /LIBPATH:c:\QT\lib\QtGuid4.lib\Release
/LIBPATH:c:\QT\lib
[CMake] cmake linking problem
Hi
Using Cmake (vtk) with QT and trying to build using visual studio
2005. Now I have compiled both vtk and QT with visual studio 2005, and
simple QT applications (like hello world workes perfekt) but now I try
to do some a little more advanced and I get a linking problem.
The source code that I try to compile is the Sliders Example
(http://doc.trolltech.com/4.0/widgets-sliders.html)
(the HelloWorld example I can compile with cmake)
Now I am new to CMake, but the CMake file I am using look like:
PROJECT (Test)
FIND_PACKAGE(VTK REQUIRED)
find_package(Qt4 REQUIRED)
IF(NOT VTK_USE_RENDERING)
MESSAGE(FATAL_ERROR Example ${PROJECT_NAME} requires VTK_USE_RENDERING.)
ENDIF(NOT VTK_USE_RENDERING)
INCLUDE(${VTK_USE_FILE})
include(${QT_USE_FILE})
# the next line sets up include and link directories and defines some
variables that we will use.
# you can modify the behavior by setting some variables, e.g.
# set(QT_USE_OPENGL TRUE)
# - this will cause cmake to include and link against the OpenGL module
include(${QT_USE_FILE})
# the variable qtproject_SRCS contains all .cpp files of this project
set(qtproject_SRCS
main.cpp
window.h
window.cpp
slidersgroup.h
slidersgroup.cpp
)
INCLUDE_DIRECTORIES(qtproject_SRCS
${QT_INCLUDE_DIR}
${QT_QTNETWORK_INCLUDE_DIR}
${QT_QTTEST_INCLUDE_DIR}
)
link_directories(qtproject_srcs
${QT_LIBRARIES}
${QT_QTNETWORK_LIBRARIES}
${QT_QTTEST_LIBRARIES}
)
# tell cmake to create .moc files for all files in the variable
qtproject_SRCS that require such a file.
# note: this assumes that you use #include header.moc in your files
qt4_automoc(${qtproject_SRCS})
# create an executable file named qtproject from the source files in
the variable qtproject_SRCS.
add_executable(qtproject ${qtproject_SRCS})
TARGET_LINK_LIBRARIES(qtproject
${QT_LIBRARIES}
${QT_QTNETWORK_LIBRARIES}
${QT_QTTEST_LIBRARIES}
)
Now when I build in vs2005 it says:
1-- Build started: Project: qtproject, Configuration: Release Win32 --
1Linking...
1window.obj : error LNK2019: unresolved external symbol public:
static struct QMetaObject const Window::staticMetaObject
([EMAIL PROTECTED]@@2UQMetaObject@@B) referenced in function
public: static class QString __cdecl Window::tr(char const *,char
const *) ([EMAIL PROTECTED]@@SA?AVQString@@[EMAIL PROTECTED])
1window.obj : error LNK2001: unresolved external symbol public:
virtual struct QMetaObject const * __thiscall
Window::metaObject(void)const
([EMAIL PROTECTED]@@UBEPBUQMetaObject@@XZ)
1window.obj : error LNK2001: unresolved external symbol public:
virtual void * __thiscall Window::qt_metacast(char const *)
([EMAIL PROTECTED]@@[EMAIL PROTECTED])
1window.obj : error LNK2001: unresolved external symbol public:
virtual int __thiscall Window::qt_metacall(enum
QMetaObject::Call,int,void * *)
([EMAIL PROTECTED]@@[EMAIL PROTECTED]@@[EMAIL PROTECTED])
1slidersgroup.obj : error LNK2001: unresolved external symbol
public: virtual struct QMetaObject const * __thiscall
SlidersGroup::metaObject(void)const
([EMAIL PROTECTED]@@UBEPBUQMetaObject@@XZ)
1slidersgroup.obj : error LNK2001: unresolved external symbol
public: virtual void * __thiscall SlidersGroup::qt_metacast(char
const *) ([EMAIL PROTECTED]@@[EMAIL PROTECTED])
1slidersgroup.obj : error LNK2001: unresolved external symbol
public: virtual int __thiscall SlidersGroup::qt_metacall(enum
QMetaObject::Call,int,void * *)
([EMAIL PROTECTED]@@[EMAIL PROTECTED]@@[EMAIL PROTECTED])
1Release\qtproject.exe : fatal error LNK1120: 7 unresolved externals
1Build log was saved at file://z:\temp2\qtproject.dir\Release\BuildLog.htm
1qtproject - 8 error(s), 0 warning(s)
== Build: 0 succeeded, 1 failed, 1 up-to-date, 0 skipped ==
The BuildLog.htm says
Build Log Build started: Project: qtproject, Configuration: Release|Win32
Command Lines Creating temporary file
z:\temp2\qtproject.dir\Release\RSP0136204020.rsp with contents
[
/OUT:Release\qtproject.exe /VERSION:0.0 /INCREMENTAL:NO
/LIBPATH:c:\vtkBin\bin\Release /LIBPATH:c:\vtkBin\bin
/LIBPATH:qtproject_srcs\Release /LIBPATH:qtproject_srcs
/LIBPATH:optimized\Release /LIBPATH:optimized
/LIBPATH:c:\QT\lib\QtGui4.lib\Release
/LIBPATH:c:\QT\lib\QtGui4.lib /LIBPATH:debug\Release
/LIBPATH:debug /LIBPATH:c:\QT\lib\QtGuid4.lib\Release
/LIBPATH:c:\QT\lib\QtGuid4.lib /LIBPATH:Imm32\Release
/LIBPATH:Imm32 /LIBPATH:Winmm\Release /LIBPATH:Winmm
/LIBPATH:c:\QT\lib\QtCore4.lib\Release
/LIBPATH:c:\QT\lib\QtCore4.lib
/LIBPATH:c:\QT\lib\QtCored4.lib\Release
