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#.rst:
# FindAlsa
# --------
# Finds the Alsa library
#
# This will define the following target:
#
# ALSA::ALSA - The Alsa library
if(NOT TARGET ALSA::ALSA)
find_package(PkgConfig)
if(PKG_CONFIG_FOUND)
pkg_check_modules(PC_ALSA alsa>=1.0.27 QUIET)
endif()
find_path(ALSA_INCLUDE_DIR NAMES alsa/asoundlib.h
HINTS ${PC_ALSA_INCLUDEDIR}
NO_CACHE)
find_library(ALSA_LIBRARY NAMES asound
HINTS ${PC_ALSA_LIBDIR}
NO_CACHE)
set(ALSA_VERSION ${PC_ALSA_VERSION})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Alsa
REQUIRED_VARS ALSA_LIBRARY ALSA_INCLUDE_DIR
VERSION_VAR ALSA_VERSION)
if(ALSA_FOUND)
list(APPEND AUDIO_BACKENDS_LIST "alsa")
set(AUDIO_BACKENDS_LIST ${AUDIO_BACKENDS_LIST} PARENT_SCOPE)
# We explicitly dont include ALSA_INCLUDE_DIR, as 'timer.h' is a dangerous file
add_library(ALSA::ALSA UNKNOWN IMPORTED)
set_target_properties(ALSA::ALSA PROPERTIES
IMPORTED_LOCATION "${ALSA_LIBRARY}"
INTERFACE_COMPILE_DEFINITIONS HAS_ALSA=1)
set_property(GLOBAL APPEND PROPERTY INTERNAL_DEPS_PROP ALSA::ALSA)
endif()
endif()
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