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- # - Find alsa
- # Find the alsa libraries (asound)
- #
- # This module defines the following variables:
- # ALSA_FOUND - True if ALSA_INCLUDE_DIR & ALSA_LIBRARY are found
- # ALSA_LIBRARIES - Set when ALSA_LIBRARY is found
- # ALSA_INCLUDE_DIRS - Set when ALSA_INCLUDE_DIR is found
- #
- # ALSA_INCLUDE_DIR - where to find asoundlib.h, etc.
- # ALSA_LIBRARY - the asound library
- # ALSA_VERSION_STRING - the version of alsa found (since CMake 2.8.8)
- #
-
- #=============================================================================
- # Copyright 2009-2011 Kitware, Inc.
- # Copyright 2009-2011 Philip Lowman <philip@yhbt.com>
- #
- # Redistribution and use in source and binary forms, with or without
- # modification, are permitted provided that the following conditions are
- # met:
- #
- # * Redistributions of source code must retain the above copyright notice,
- # this list of conditions and the following disclaimer.
- #
- # * Redistributions in binary form must reproduce the above copyright notice,
- # this list of conditions and the following disclaimer in the documentation
- # and/or other materials provided with the distribution.
- #
- # * The names of Kitware, Inc., the Insight Consortium, or the names of
- # any consortium members, or of any contributors, may not be used to
- # endorse or promote products derived from this software without
- # specific prior written permission.
- #
- # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
- # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
- # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- #=============================================================================
-
- 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()
-
- # handle the QUIETLY and REQUIRED arguments and set ALSA_FOUND to TRUE if
- # all listed variables are TRUE
- include(FindPackageHandleStandardArgs)
- 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} )
- endif()
-
- mark_as_advanced(ALSA_INCLUDE_DIR ALSA_LIBRARY)
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