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authorStephen Kelly <steveire@gmail.com>2014-01-20 16:57:40 (GMT)
committerBrad King <brad.king@kitware.com>2014-01-22 13:47:32 (GMT)
commite00db59d6c3f1c519f0f0d7a359d6d1be396b255 (patch)
treea98d312c289c5dee84daf71a02f2a78c15101d2b /Help/policy
parentd2dea79b36833412884807e96821d1e68d620b4d (diff)
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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.
Diffstat (limited to 'Help/policy')
-rw-r--r--Help/policy/CMP0047.rst16
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diff --git a/Help/policy/CMP0047.rst b/Help/policy/CMP0047.rst
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@@ -0,0 +1,16 @@
+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.