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CMake/Help/policy/CMP0047.rst

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QNX: Introduce QCC compiler id for that QNX platform compiler. Introduce policy CMP0047 to control resetting the id for compatibility. De-duplicate content in the QNX platform file by including the GNU one. QNX is a form of GNU platform. Do not clear CMAKE_SHARED_LIBRARY_${lang}_FLAGS variables. They are populated again later by the Compiler/GNU.cmake file anyway. Modify the CMAKE_CXX_COMPILE_OBJECT variable only when the QCC compiler id is in use, and the language is CXX. Use the QNX recommended flag for QCC instead of the gcc compatible -x flag. Populate new module files to handle system includes and depfiles when using the QCC compiler. Remove code which unsets the system include and depfiles related variables. When a GNU driver is used instead of the QCC one, the appropriate flags will be used. These variables were previously cleared for lowest-common-denominator compatibility with both drivers.
2014-01-20 20:57:40 +04:00
CMP0047
-------
Use QCC compiler id for the qcc drivers on QNX.
CMake 2.8.12 and lower assigned the QNX qcc and QCC compiler drivers the "GNU"
compiler id.
The OLD behavior for this policy is to use the "GNU" compiler id for the qcc
and QCC compiler drivers. The NEW behavior for this policy is to use the "QCC"
compiler id for those drivers.
This policy was introduced in CMake version 3.0.0.
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.