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Diffstat (limited to 'Modules/FindALSA.cmake')
| -rw-r--r-- | Modules/FindALSA.cmake | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/Modules/FindALSA.cmake b/Modules/FindALSA.cmake new file mode 100644 index 000000000..4a0b69303 --- /dev/null +++ b/Modules/FindALSA.cmake @@ -0,0 +1,55 @@ +# - 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> +# +# Distributed under the OSI-approved BSD License (the "License"); +# see accompanying file Copyright.txt for details. +# +# This software is distributed WITHOUT ANY WARRANTY; without even the +# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# See the License for more information. +#============================================================================= +# (To distribute this file outside of CMake, substitute the full +# License text for the above reference.) + +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(${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} ) +endif() + +mark_as_advanced(ALSA_INCLUDE_DIR ALSA_LIBRARY) |