[CMake] CMake 2.8.2 going crazy on my 'Superbuild Project'

[David Cole]

What is in the add_subdirectory call on line 139 of CMakeLists.txt?

     CMakeLists.txt:139 (add_subdirectory):


On Tue, Aug 24, 2010 at 3:57 PM, kent williams <nkwmailinglists at gmail.com>wrote:

> I have a CMakeLists.txt file that builds a bunch of prerequisite
> library, and then my application I'm working on.
>
> This is done all with External_Project macros.  Once everything I need
> is built, I build my code as an external project:
>
> set(proj BRAINSTracerQT)
> ExternalProject_Add(${proj}
>  URL file://${CMAKE_CURRENT_SOURCE_DIR}/${proj}
>  SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/${proj}
>  DOWNLOAD_COMMAND ""
>  DEPENDS  ${VTK_DEPEND} ${SEM_DEPEND}
>  CMAKE_GENERATOR ${gen}
>  CMAKE_ARGS
>    ${LOCAL_CMAKE_BUILD_OPTIONS}
>    -DModuleDescriptionParser_DIR:PATH=${MDP_DIR}
>    -DITK_DIR:PATH=${ITK_DIR}
>    -DVTK_DIR:PATH=${VTK_DIR}
>    -DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}
>  INSTALL_DIR ${BRAINSTracer_BINARY_DIR}
>  UPDATE_COMMAND ""
> )
>
> Everything worked in CMake 2.8.1, now I get the errors below.  Very weird.
>
>
> CMake Error at CMakeLists.txt:139 (add_subdirectory):
>  The binary directory
>
>
>  /scratch/kent/newbuild/BT-build/BRAINSTracerQT-prefix/src/BRAINSTracerQT-build/vtkRenderingAddOn
>
>  is already used to build a source directory.  It cannot be used to build
>  source directory
>
>    /scratch/kent/newbuild/BRAINSTracerQT/BRAINSTracerQT/vtkRenderingAddOn
>
>  Specify a unique binary directory name.
>
>
> CMake Error: Attempt to add a custom rule to output
>
> "/scratch/kent/newbuild/BT-build/BRAINSTracerQT-prefix/src/BRAINSTracerQT-build/moc_BTMainWindow.cxx.rule"
> which already has a custom rule.
> CMake Error: Attempt to add a custom rule to output
>
> "/scratch/kent/newbuild/BT-build/BRAINSTracerQT-prefix/src/BRAINSTracerQT-build/moc_QVtkImageViewer.cxx.rule"
> which already has a custom rule.
> CMake Error: Attempt to add a custom rule to output
>
> "/scratch/kent/newbuild/BT-build/BRAINSTracerQT-prefix/src/BRAINSTracerQT-build/moc_qtcolorpicker.cxx.rule"
> which already has a custom rule.
> CMake Error: Attempt to add a custom rule to output
>
> "/scratch/kent/newbuild/BT-build/BRAINSTracerQT-prefix/src/BRAINSTracerQT-build/moc_QVtkPropertyDialog.cxx.rule"
> which already has a custom rule.
> CMake Error: Attempt to add a custom rule to output
>
> "/scratch/kent/newbuild/BT-build/BRAINSTracerQT-prefix/src/BRAINSTracerQT-build/moc_QModuleParameterWidget.cxx.rule"
> which already has a custom rule.
> CMake Error: Attempt to add a custom rule to output
>
> "/scratch/kent/newbuild/BT-build/BRAINSTracerQT-prefix/src/BRAINSTracerQT-build/moc_QImageParameterWidget.cxx.rule"
> which already has a custom rule.
> CMake Error: Attempt to add a custom rule to output
>
> "/scratch/kent/newbuild/BT-build/BRAINSTracerQT-prefix/src/BRAINSTracerQT-build/moc_QFileBrowserParameterWidget.cxx.rule"
> which already has a custom rule.
> CMake Error: Attempt to add a custom rule to output
>
> "/scratch/kent/newbuild/BT-build/BRAINSTracerQT-prefix/src/BRAINSTracerQT-build/moc_QImageTransformDialog.cxx.rule"
> which already has a custom rule.
> CMake Error: Attempt to add a custom rule to output
>
> "/scratch/kent/newbuild/BT-build/BRAINSTracerQT-prefix/src/BRAINSTracerQT-build/moc_MyQTreeWidget.cxx.rule"
> which already has a custom rule.
> CMake Error: Attempt to add a custom rule to output
>
> "/scratch/kent/newbuild/BT-build/BRAINSTracerQT-prefix/src/BRAINSTracerQT-build/moc_QImageSaveFileDialog.cxx.rule"
> which already has a custom rule.
> CMake Error: Attempt to add a custom rule to output
>
> "/scratch/kent/newbuild/BT-build/BRAINSTracerQT-prefix/src/BRAINSTracerQT-build/moc_QRunProgramDialog.cxx.rule"
> which already has a custom rule.
> CMake Error: Attempt to add a custom rule to output
>
> "/scratch/kent/newbuild/BT-build/BRAINSTracerQT-prefix/src/BRAINSTracerQT-build/moc_QEnumSpinBox.cxx.rule"
> which already has a custom rule.
> -- ITK LIBRARIES
>
> ITKAlgorithms;ITKStatistics;ITKFEM;itkNetlibSlatec;itkv3p_lsqr;ITKEXPAT;itksys
> -- FIXUP_BUNDLE_DIRS =
>
> /opt/Qt4.6.3/lib;/scratch/kent/newbuild/BT-build/lib/InsightToolkit;/scratch/kent/newbuild/BT-build/lib/vtk-5.6;/scratch/kent/newbuild/BT-build/lib;/scratch/kent/newbuild/BT-build/lib/ModuleDescriptionParser;/lib;/scratch/kent/newbuild/BT-build/BRAINSTracerQT-prefix/src/BRAINSTracerQT-build/vtkRenderingAddOn;/opt/Qt4.6.3/plugins/imageformats
> -- ITK LIBRARIES
>
> ITKAlgorithms;ITKStatistics;ITKFEM;itkNetlibSlatec;itkv3p_lsqr;ITKEXPAT;itksys;itkNetlibSlatec;itkv3p_lsqr;ITKEXPAT;itksys
> CMake Error at CMakeLists.txt:328 (add_executable):
>  add_executable cannot create target "BRAINSTracerQT" because another
> target
>  with the same name already exists.  The existing target is an executable
>  created in source directory
>  "/scratch/kent/newbuild/BRAINSTracerQT/BRAINSTracerQT".  See documentation
>  for policy CMP0002 for more details.
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