FindOpenCL — CMake 4.4.0 Documentation

# FindOpenCL

Added in version 3.1.

Finds Open Computing Language (OpenCL):

    find_package(OpenCL [<version>] [...])

OpenCL is a framework for writing programs that execute across heterogeneous platforms, such as CPUs, GPUs, and other accelerators.

Added in version 3.24: Detection of OpenCL 3.0.

Added in version 3.10: Detection of OpenCL 2.1 and 2.2.

## Imported Targets

This module provides the following Imported Targets:

`OpenCL::OpenCL`

  Added in version 3.7.

  Target encapsulating the OpenCL usage requirements, available if OpenCL has been found.

## Result Variables

This module defines the following variables:

`OpenCL_FOUND`

  Boolean indicating whether (the requested version of) OpenCL was found.

`OpenCL_VERSION`

  Added in version 4.2.

  Highest supported OpenCL version found in form of `<major>.<minor>` (e.g., `1.2`).

`OpenCL_VERSION_MAJOR`

  The major version of the OpenCL implementation.

`OpenCL_VERSION_MINOR`

  The minor version of the OpenCL implementation.

`OpenCL_INCLUDE_DIRS`

  Include directories needed to use OpenCL.

`OpenCL_LIBRARIES`

  Libraries needed to link to OpenCL.

## Cache Variables

The following cache variables may also be set:

`OpenCL_INCLUDE_DIR`

  The OpenCL include directory.

`OpenCL_LIBRARY`

  The path to the OpenCL library.

## Deprecated Variables

The following variables are provided for backward compatibility:

`OpenCL_VERSION_STRING`

  Deprecated since version 4.2: Use `OpenCL_VERSION`, which has the same value.

  Highest supported OpenCL version found in form of `<major>.<minor>`.

## Examples

Finding OpenCL and linking it to a project target:

    find_package(OpenCL)
    target_link_libraries(project_target PRIVATE OpenCL::OpenCL)