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IF(NOT VTK_SHARED_LIBRARIES_SELECTED)
SET(VTK_SHARED_LIBRARIES_SELECTED 1)
# We need the VTK_DEPENDENT_OPTION macro.
INCLUDE(${VTK_CMAKE_DIR}/vtkDependentOption.cmake)
# Choose static or shared libraries.
OPTION(BUILD_SHARED_LIBS "Build VTK with shared libraries." OFF)
SET(VTK_BUILD_SHARED_LIBS ${BUILD_SHARED_LIBS})
# On platforms that support rpath users may want to use them to make
# running VTK from the build tree easy. It is not safe to install
# programs built with an rpath pointing at the build tree, so we must
# disable install support when using the rpath feature with CMake
# versions prior to 2.4.
IF(NOT WIN32)
# Choose whether to use the rpath feature. Parent projects may
# set VTK_FORCE_RPATH to force the value on or off without providing
# the option.
IF(VTK_FORCE_RPATH)
SET(VTK_USE_RPATH ${VTK_FORCE_RPATH})
ELSE(VTK_FORCE_RPATH)
IF("VTK_USE_RPATH_DEFAULT" MATCHES "^VTK_USE_RPATH_DEFAULT$")
# Choosing a default value for this option is tricky. Dashboard
# scripts need to have this ON or set the LD_LIBRARY_PATH, which at
# the time of this writing none does. Therefore the default must be
# ON. However, users that download a VTK release to build and install
# it will not know to turn this OFF and will be confused when they get
# an empty installation. One solution to this dilema is to note that
# users that do not know what they are doing will generally use a
# release. Dashboards use the latest development version. Users that
# checkout from the CVS head will usually run from the build tree or
# at least understand this option. Therefore a simple decision
# criterion is whether VTK_MINOR_VERSION is odd or even.
IF(VTK_MINOR_VERSION MATCHES "[02468]$")
# This is a release version. Default to not use rpath.
SET(VTK_USE_RPATH_DEFAULT OFF)
ELSE(VTK_MINOR_VERSION MATCHES "[02468]$")
# This is a development version. Default to use rpath.
SET(VTK_USE_RPATH_DEFAULT ON)
ENDIF(VTK_MINOR_VERSION MATCHES "[02468]$")
ENDIF("VTK_USE_RPATH_DEFAULT" MATCHES "^VTK_USE_RPATH_DEFAULT$")
VTK_DEPENDENT_OPTION(VTK_USE_RPATH "Build shared libraries with rpath. This makes it easy to run executables from the build tree when using shared libraries, but removes install support."
${VTK_USE_RPATH_DEFAULT}
"BUILD_SHARED_LIBS" OFF)
ENDIF(VTK_FORCE_RPATH)
# Configure VTK according to the rpath setting.
IF(VTK_USE_RPATH)
# We will use rpath support. Tell CMake not to skip it.
SET(CMAKE_SKIP_RPATH 0 CACHE INTERNAL "Whether to build with rpath." FORCE)
ELSE(VTK_USE_RPATH)
# We will not use rpath support. Tell CMake to skip it.
SET(CMAKE_SKIP_RPATH 1 CACHE INTERNAL "Whether to build with rpath." FORCE)
ENDIF(VTK_USE_RPATH)
ENDIF(NOT WIN32)
ENDIF(NOT VTK_SHARED_LIBRARIES_SELECTED)
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