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#.rst:
# FindAlsa
# --------
# Finds the Alsa library
#
# This will define the following variables::
#
# ALSA_FOUND - system has Alsa
# ALSA_INCLUDE_DIRS - the Alsa include directory
# ALSA_LIBRARIES - the Alsa libraries
# ALSA_DEFINITIONS - the Alsa compile definitions
#
# and the following imported targets::
#
# ALSA::ALSA - The Alsa library
if(PKG_CONFIG_FOUND)
pkg_check_modules(PC_ALSA alsa>=1.0.27 QUIET)
endif()
find_path(ALSA_INCLUDE_DIR NAMES alsa/asoundlib.h
PATHS ${PC_ALSA_INCLUDEDIR})
find_library(ALSA_LIBRARY NAMES asound
PATHS ${PC_ALSA_LIBDIR})
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)
set(ALSA_INCLUDE_DIRS "") # Don't want these added as 'timer.h' is a dangerous file
set(ALSA_LIBRARIES ${ALSA_LIBRARY})
set(ALSA_DEFINITIONS -DHAS_ALSA=1)
if(NOT TARGET ALSA::ALSA)
add_library(ALSA::ALSA UNKNOWN IMPORTED)
set_target_properties(ALSA::ALSA PROPERTIES
IMPORTED_LOCATION "${ALSA_LIBRARY}"
INTERFACE_COMPILE_DEFINITIONS "${ALSA_DEFINITIONS}")
endif()
endif()
mark_as_advanced(ALSA_INCLUDE_DIR ALSA_LIBRARY)
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