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155 lines
4.1 KiB
CMake
155 lines
4.1 KiB
CMake
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#[=======================================================================[.rst
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FindLibva
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---------
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FindModule for Libva and associated libraries
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.. versionchanged:: 3.0
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Updated FindModule to CMake standards
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Imported Targets
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^^^^^^^^^^^^^^^^
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.. versionadded:: 2.0
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This module defines the following :prop_tgt:`IMPORTED` targets:
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``Libva::va``
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Video Acceleration (VA) API for Linux -- runtime
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``Libva::drm``
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Video Acceleration (VA) API for Linux -- DRM runtime
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Result Variables
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^^^^^^^^^^^^^^^^
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This module sets the following variables:
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``Libva_FOUND``
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True, if all required components and the core library were found.
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``Libva_VERSION``
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Detected version of found Libva libraries.
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Cache variables
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^^^^^^^^^^^^^^^
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The following cache variables may also be set:
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``Libva_LIBRARY``
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Path to the library component of Libva.
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``Libva_INCLUDE_DIR``
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Directory containing ``libva.h``.
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#]=======================================================================]
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include(FindPackageHandleStandardArgs)
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find_package(PkgConfig QUIET)
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if(PKG_CONFIG_FOUND)
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pkg_search_module(PC_Libva QUIET libva)
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pkg_search_module(PC_LibvaDrm QUIET libva-drm)
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endif()
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find_path(
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Libva_INCLUDE_DIR
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NAMES va.h
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HINTS ${PC_Libva_INCLUDE_DIRS}
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PATHS /usr/include/ /usr/local/include
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PATH_SUFFIXES va
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DOC "Libva include directory"
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)
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find_library(
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Libva_LIBRARY
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NAMES libva va
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HINTS ${PC_Libva_LIBRARY_DIRS}
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PATHS /usr/lib /usr/local/lib
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DOC "Libva location"
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)
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find_library(
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LibvaDrm_LIBRARY
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NAMES libva-drm va-drm
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HINTS ${PC_LibvaDrm_LIBRARY_DIRS}
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PATHS /usr/lib /usr/local/lib
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DOC "Libva-drm location"
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)
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if(PC_Libva_VERSION VERSION_GREATER 0)
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set(Libva_VERSION ${PC_Libva_VERSION})
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elseif(EXISTS "${Libva_INCLUDE_DIR}/va_version.h")
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file(
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STRINGS
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"${Libva_INCLUDE_DIR}/va_version.h"
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_VERSION_STRING
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REGEX "^.*(MAJOR|MINOR|MICRO)_VERSION[ \t]+[0-9]+[ \t]*$"
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)
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string(REGEX REPLACE ".*MAJOR_VERSION[ \t]+([0-9]+).*" "\\1" VERSION_MAJOR "${_VERSION_STRING}")
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string(REGEX REPLACE ".*MINOR_VERSION[ \t]+([0-9]+).*" "\\1" VERSION_MINOR "${_VERSION_STRING}")
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string(REGEX REPLACE ".*MICRO_VERSION[ \t]+([0-9]+).*" "\\1" VERSION_MICRO "${_VERSION_STRING}")
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set(Libva_VERSION "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_MICRO}")
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else()
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if(NOT Libva_FIND_QUIETLY)
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message(AUTHOR_WARNING "Failed to find Libva version.")
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endif()
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set(Libva_VERSION 0.0.0)
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endif()
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find_package_handle_standard_args(
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Libva
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REQUIRED_VARS Libva_LIBRARY Libva_INCLUDE_DIR
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VERSION_VAR Libva_VERSION
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REASON_FAILURE_MESSAGE "Ensure that libva is installed on the system."
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)
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mark_as_advanced(Libva_INCLUDE_DIR Libva_LIBRARY)
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if(Libva_FOUND)
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if(NOT TARGET Libva::va)
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if(IS_ABSOLUTE "${Libva_LIBRARY}")
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add_library(Libva::va UNKNOWN IMPORTED)
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set_property(TARGET Libva::va PROPERTY IMPORTED_LOCATION "${Libva_LIBRARY}")
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else()
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add_library(Libva::va INTERFACE IMPORTED)
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set_property(TARGET Libva::va PROPERTY IMPORTED_LIBNAME "${Libva_LIBRARY}")
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endif()
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set_target_properties(
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Libva::va
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PROPERTIES
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INTERFACE_COMPILE_OPTIONS "${PC_Libva_CFLAGS_OTHER}"
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INTERFACE_INCLUDE_DIRECTORIES "${Libva_INCLUDE_DIR}"
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VERSION ${Libva_VERSION}
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)
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endif()
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if(LibvaDrm_LIBRARY)
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if(NOT TARGET Libva::drm)
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if(IS_ABSOLUTE "${LibvaDrm_LIBRARY}")
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add_library(Libva::drm UNKNOWN IMPORTED)
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set_property(TARGET Libva::drm PROPERTY IMPORTED_LOCATION "${LibvaDrm_LIBRARY}")
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else()
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add_library(Libva::drm INTERFACE IMPORTED)
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set_property(TARGET Libva::drm PROPERTY IMPORTED_LIBNAME "${LibvaDrm_LIBRARY}")
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endif()
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set_target_properties(
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Libva::drm
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PROPERTIES
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INTERFACE_COMPILE_OPTIONS "${PC_LibvaDrm_CFLAGS_OTHER}"
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INTERFACE_INCLUDE_DIRECTORIES "${Libva_INCLUDE_DIR}"
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VERSION ${Libva_VERSION}
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)
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endif()
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endif()
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endif()
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include(FeatureSummary)
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set_package_properties(
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Libva
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PROPERTIES
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URL "https://01.org/intel-media-for-linux"
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DESCRIPTION
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"An implementation for VA-API (Video Acceleration API) - an open-source library which provides access to graphics hardware acceleration capabilities."
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)
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