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+# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+#[=======================================================================[.rst:
+FindALSA
+--------
+
+Find Advanced Linux Sound Architecture (ALSA)
+
+Find the alsa libraries (``asound``)
+
+IMPORTED Targets
+^^^^^^^^^^^^^^^^
+
+.. versionadded:: 3.12
+
+This module defines :prop_tgt:`IMPORTED` target ``ALSA::ALSA``, if
+ALSA has been found.
+
+Result Variables
+^^^^^^^^^^^^^^^^
+
+This module defines the following variables:
+
+``ALSA_FOUND``
+ True if ALSA_INCLUDE_DIR & ALSA_LIBRARY are found
+
+``ALSA_LIBRARIES``
+ List of libraries when using ALSA.
+
+``ALSA_INCLUDE_DIRS``
+ Where to find the ALSA headers.
+
+Cache variables
+^^^^^^^^^^^^^^^
+
+The following cache variables may also be set:
+
+``ALSA_INCLUDE_DIR``
+ the ALSA include directory
+
+``ALSA_LIBRARY``
+ the absolute path of the asound library
+#]=======================================================================]
+
+find_path(ALSA_INCLUDE_DIR NAMES alsa/asoundlib.h
+ DOC "The ALSA (asound) include directory"
+)
+
+find_library(ALSA_LIBRARY NAMES asound
+ DOC "The ALSA (asound) library"
+)
+
+if(ALSA_INCLUDE_DIR AND EXISTS "${ALSA_INCLUDE_DIR}/alsa/version.h")
+ file(STRINGS "${ALSA_INCLUDE_DIR}/alsa/version.h" alsa_version_str REGEX "^#define[\t ]+SND_LIB_VERSION_STR[\t ]+\".*\"")
+
+ string(REGEX REPLACE "^.*SND_LIB_VERSION_STR[\t ]+\"([^\"]*)\".*$" "\\1" ALSA_VERSION_STRING "${alsa_version_str}")
+ unset(alsa_version_str)
+endif()
+
+include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(ALSA
+ REQUIRED_VARS ALSA_LIBRARY ALSA_INCLUDE_DIR
+ VERSION_VAR ALSA_VERSION_STRING)
+
+if(ALSA_FOUND)
+ set( ALSA_LIBRARIES ${ALSA_LIBRARY} )
+ set( ALSA_INCLUDE_DIRS ${ALSA_INCLUDE_DIR} )
+ if(NOT TARGET ALSA::ALSA)
+ add_library(ALSA::ALSA UNKNOWN IMPORTED)
+ set_target_properties(ALSA::ALSA PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${ALSA_INCLUDE_DIRS}")
+ set_property(TARGET ALSA::ALSA APPEND PROPERTY IMPORTED_LOCATION "${ALSA_LIBRARY}")
+ endif()
+endif()
+
+mark_as_advanced(ALSA_INCLUDE_DIR ALSA_LIBRARY)