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FindJPEG: Update documentation

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Peter Kokot
2025-03-31 01:47:08 +02:00
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FindJPEG
--------
Find the Joint Photographic Experts Group (JPEG) library (``libjpeg``)
Finds the Joint Photographic Experts Group (JPEG) library (``libjpeg``).
.. versionchanged:: 3.12
Debug and Release JPEG library variants are now found separately.
Imported Targets
^^^^^^^^^^^^^^^^
.. versionadded:: 3.12
This module defines the following :prop_tgt:`IMPORTED` targets:
This module provides the following :ref:`Imported Targets`:
``JPEG::JPEG``
The JPEG library, if found.
.. versionadded:: 3.12
Result variables
Target encapsulating the JPEG library usage requirements. It is available
only when JPEG is found.
Result Variables
^^^^^^^^^^^^^^^^
This module will set the following variables in your project:
This module sets the following variables:
``JPEG_FOUND``
If false, do not try to use JPEG.
Boolean indicating whether the JPEG is found.
``JPEG_INCLUDE_DIRS``
where to find jpeglib.h, etc.
Include directories containing headers needed to use JPEG.
``JPEG_LIBRARIES``
the libraries needed to use JPEG.
Libraries needed to link to JPEG.
``JPEG_VERSION``
.. versionadded:: 3.12
the version of the JPEG library found
Cache variables
The version of the JPEG library found.
Cache Variables
^^^^^^^^^^^^^^^
The following cache variables may also be set:
``JPEG_INCLUDE_DIR``
where to find jpeglib.h, etc.
Directory containing the ``jpeglib.h`` and related header files.
``JPEG_LIBRARY_RELEASE``
where to find the JPEG library (optimized).
.. versionadded:: 3.12
Path to the release (optimized) variant of the JPEG library.
``JPEG_LIBRARY_DEBUG``
where to find the JPEG library (debug).
.. versionadded:: 3.12
.. versionadded:: 3.12
Debug and Release variand are found separately.
Path to the debug variant of the JPEG library.
Obsolete variables
Obsolete Variables
^^^^^^^^^^^^^^^^^^
The following legacy variables are provided for backward compatibility:
``JPEG_LIBRARY``
where to find the JPEG library.
.. versionchanged:: 3.12
This variable has been superseded by the ``JPEG_LIBRARY_RELEASE`` and
``JPEG_LIBRARY_DEBUG`` variables.
Path to the JPEG library.
Examples
^^^^^^^^
Finding JPEG library and linking it to a project target:
.. code-block:: cmake
find_package(JPEG)
target_link_libraries(project_target PRIVATE JPEG::JPEG)
#]=======================================================================]
cmake_policy(PUSH)