CMP0104¶
New in version 3.18.
Initialize CMAKE_CUDA_ARCHITECTURES
when
CMAKE_CUDA_COMPILER_ID
is NVIDIA
.
Raise an error if CUDA_ARCHITECTURES
is empty.
CMAKE_CUDA_ARCHITECTURES
introduced in CMake 3.18 is used to
initialize CUDA_ARCHITECTURES
, which passes correct code generation
flags to the CUDA compiler.
Previous to this users had to manually specify the code generation flags. This policy is for backwards compatibility with manually specifying code generation flags.
The OLD
behavior for this policy is to not initialize
CMAKE_CUDA_ARCHITECTURES
when
CMAKE_CUDA_COMPILER_ID
is NVIDIA
.
Empty CUDA_ARCHITECTURES
is allowed.
The NEW
behavior of this policy is to initialize
CMAKE_CUDA_ARCHITECTURES
when
CMAKE_CUDA_COMPILER_ID
is NVIDIA
and raise an error if CUDA_ARCHITECTURES
is empty during generation.
If CUDA_ARCHITECTURES
is set to a false value no architectures
flags are passed to the compiler. This is intended to support packagers and
the rare cases where full control over the passed flags is required.
This policy was introduced in CMake version 3.18. CMake version
3.20.6 warns when the policy is not set and uses OLD
behavior.
Use the cmake_policy()
command to set it to OLD
or NEW
explicitly.
Note
The OLD
behavior of a policy is
deprecated by definition
and may be removed in a future version of CMake.
Examples¶
set_property(TARGET tgt PROPERTY CUDA_ARCHITECTURES 35 50 72)
Generates code for real and virtual architectures 30
, 50
and 72
.
set_property(TARGET tgt PROPERTY CUDA_ARCHITECTURES 70-real 72-virtual)
Generates code for real architecture 70
and virtual architecture 72
.
set_property(TARGET tgt PROPERTY CUDA_ARCHITECTURES OFF)
CMake will not pass any architecture flags to the compiler.