libxml2 CMP0075 warnings
The following warnings can be seen when configuring from scratch
CMake Warning (dev) at /usr/share/cmake-3.13/Modules/CheckIncludeFiles.cmake:110 (message):
Policy CMP0075 is not set: Include file check macros honor
CMAKE_REQUIRED_LIBRARIES. Run "cmake --help-policy CMP0075" for policy
details. Use the cmake_policy command to set the policy and suppress this
warning.
CMAKE_REQUIRED_LIBRARIES is set to:
dl;m
For compatibility with CMake 3.11 and below this check is ignoring it.
Call Stack (most recent call first):
VTK/ThirdParty/libxml2/vtklibxml2/CMakeLists.txt:52 (CHECK_INCLUDE_FILES)
VTK/ThirdParty/libxml2/vtklibxml2/CMakeLists.txt:61 (CHECK_INCLUDE_FILE_CONCAT)
This warning is for project developers. Use -Wno-dev to suppress it.
and
CMake Warning (dev) at /usr/share/cmake-3.13/Modules/CMakeDependentOption.cmake:37 (option):
Policy CMP0077 is not set: option() honors normal variables. Run "cmake
--help-policy CMP0077" for policy details. Use the cmake_policy command to
set the policy and suppress this warning.
For compatibility with older versions of CMake, option is clearing the
normal variable 'VTK_BUILD_QT_DESIGNER_PLUGIN'.
Call Stack (most recent call first):
VTK/GUISupport/Qt/CMakeLists.txt:68 (cmake_dependent_option)
This warning is for project developers. Use -Wno-dev to suppress it.