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- CMP0018
- -------
- Ignore CMAKE_SHARED_LIBRARY_<Lang>_FLAGS variable.
- CMake 2.8.8 and lower compiled sources in SHARED and MODULE libraries
- using the value of the undocumented CMAKE_SHARED_LIBRARY_<Lang>_FLAGS
- platform variable. The variable contained platform-specific flags
- needed to compile objects for shared libraries. Typically it included
- a flag such as -fPIC for position independent code but also included
- other flags needed on certain platforms. CMake 2.8.9 and higher
- prefer instead to use the POSITION_INDEPENDENT_CODE target property to
- determine what targets should be position independent, and new
- undocumented platform variables to select flags while ignoring
- CMAKE_SHARED_LIBRARY_<Lang>_FLAGS completely.
- The default for either approach produces identical compilation flags,
- but if a project modifies CMAKE_SHARED_LIBRARY_<Lang>_FLAGS from its
- original value this policy determines which approach to use.
- The OLD behavior for this policy is to ignore the
- POSITION_INDEPENDENT_CODE property for all targets and use the
- modified value of CMAKE_SHARED_LIBRARY_<Lang>_FLAGS for SHARED and
- MODULE libraries.
- The NEW behavior for this policy is to ignore
- CMAKE_SHARED_LIBRARY_<Lang>_FLAGS whether it is modified or not and
- honor the POSITION_INDEPENDENT_CODE target property.
- This policy was introduced in CMake version 2.8.9. CMake version
- |release| warns when the policy is not set and uses OLD behavior. Use
- the cmake_policy command to set it to OLD or NEW explicitly.
- .. include:: DEPRECATED.txt
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