COMPILE_WARNING_AS_ERROR

.. versionadded:: 3.24

Specify whether to treat warnings on compile as errors. If enabled, adds a flag to treat warnings on compile as errors. If the :option:cmake --compile-no-warning-as-error option is given on the :manual:cmake(1) command line, this property is ignored.

This property is not implemented for all compilers. It is silently ignored if there is no implementation for the compiler being used. The currently implemented :variable:compiler IDs <CMAKE_<LANG>_COMPILER_ID> are:

GNU
Clang
AppleClang
Fujitsu
FujitsuClang
IBMClang
Intel
IntelLLVM
LCC
MSVC
NVHPC
NVIDIA (CUDA)
QCC
SunPro
Tasking
TI
VisualAge
XL
XLClang

This property is initialized by the value of the variable :variable:CMAKE_COMPILE_WARNING_AS_ERROR if it is set when a target is created.