Merge topic 'set-sysroot'

de4da66 Use --sysroot when cross compiling.
Merge topic 'fix-COMPILE_OPTIONS-transitive-performance-regression'

477e413 Add missing 'seen' check for evaluating COMPILE_OPTIONS.
Merge topic 'find-targets-in-INTERFACE_COMPILE_OPTIONS'

8a3b5be Find targets in INTERFACE_COMPILE_OPTIONS when exporting for try_compile.
Merge topic 'transitive-property-PP-FOR_EACH'

0d8db25 Use a preprocessor loop to manage the valid transitive properties.
Merge topic 'config-dependent-CMAKE_AUTOMOC'

ea4d784 QtAutomoc: Use config-dependent compile definitions and includes.
67f6ceb QtAutomoc: Fix handling of list separator for compile definitions.
Merge branch 'master' into next