74 lines
3.2 KiB
CMake
74 lines
3.2 KiB
CMake
# - Find alsa
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# Find the alsa libraries (asound)
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#
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# This module defines the following variables:
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# ALSA_FOUND - True if ALSA_INCLUDE_DIR & ALSA_LIBRARY are found
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# ALSA_LIBRARIES - Set when ALSA_LIBRARY is found
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# ALSA_INCLUDE_DIRS - Set when ALSA_INCLUDE_DIR is found
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#
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# ALSA_INCLUDE_DIR - where to find asoundlib.h, etc.
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# ALSA_LIBRARY - the asound library
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# ALSA_VERSION_STRING - the version of alsa found (since CMake 2.8.8)
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#
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#=============================================================================
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# Copyright 2009-2011 Kitware, Inc.
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# Copyright 2009-2011 Philip Lowman <philip@yhbt.com>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# * The names of Kitware, Inc., the Insight Consortium, or the names of
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# any consortium members, or of any contributors, may not be used to
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# endorse or promote products derived from this software without
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# specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
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# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#=============================================================================
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find_path(ALSA_INCLUDE_DIR NAMES alsa/asoundlib.h
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DOC "The ALSA (asound) include directory"
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)
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find_library(ALSA_LIBRARY NAMES asound
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DOC "The ALSA (asound) library"
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)
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if(ALSA_INCLUDE_DIR AND EXISTS "${ALSA_INCLUDE_DIR}/alsa/version.h")
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file(STRINGS "${ALSA_INCLUDE_DIR}/alsa/version.h" alsa_version_str REGEX "^#define[\t ]+SND_LIB_VERSION_STR[\t ]+\".*\"")
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string(REGEX REPLACE "^.*SND_LIB_VERSION_STR[\t ]+\"([^\"]*)\".*$" "\\1" ALSA_VERSION_STRING "${alsa_version_str}")
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unset(alsa_version_str)
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endif()
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# handle the QUIETLY and REQUIRED arguments and set ALSA_FOUND to TRUE if
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# all listed variables are TRUE
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(ALSA
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REQUIRED_VARS ALSA_LIBRARY ALSA_INCLUDE_DIR
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VERSION_VAR ALSA_VERSION_STRING)
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if(ALSA_FOUND)
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set( ALSA_LIBRARIES ${ALSA_LIBRARY} )
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set( ALSA_INCLUDE_DIRS ${ALSA_INCLUDE_DIR} )
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endif()
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mark_as_advanced(ALSA_INCLUDE_DIR ALSA_LIBRARY)
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