30 lines
1.2 KiB
Diff
30 lines
1.2 KiB
Diff
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diff --git a/CMake/vtkModuleMacros.cmake b/CMake/vtkModuleMacros.cmake
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index 3e746a6..9ef38fd 100644
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--- a/CMake/vtkModuleMacros.cmake
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+++ b/CMake/vtkModuleMacros.cmake
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@@ -563,7 +563,7 @@ macro(vtk_module_third_party _pkg)
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message(FATAL_ERROR "Cannot specify both LIBRARIES and NO_LIBRARIES")
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endif()
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- option(VTK_USE_SYSTEM_${_upper} "Use system-installed ${_pkg}" OFF)
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+ option(VTK_USE_SYSTEM_${_upper} "Use system-installed ${_pkg}" ${VTK_USE_SYSTEM_LIBRARIES})
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mark_as_advanced(VTK_USE_SYSTEM_${_upper})
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if(VTK_USE_SYSTEM_${_upper})
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diff --git a/CMakeLists.txt b/CMakeLists.txt
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index 0d1dda8..b3e1801 100644
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--- a/CMakeLists.txt
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+++ b/CMakeLists.txt
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@@ -97,6 +97,11 @@ set(VTK_INSTALL_INCLUDE_DIR_CM24 ${VTK_INSTALL_INCLUDE_DIR})
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set(VTK_INSTALL_DOXYGEN_DIR_CM24 ${VTK_INSTALL_DATA_DIR}/doxygen)
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#-----------------------------------------------------------------------------
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+# Do we try to use system libraries by default?
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+OPTION(VTK_USE_SYSTEM_LIBRARIES "Use the system's libraries by default." OFF)
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+MARK_AS_ADVANCED(VTK_USE_SYSTEM_LIBRARIES)
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+
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+#-----------------------------------------------------------------------------
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# The third party macros are still used in one or two third party builds.
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include(vtkThirdParty)
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