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Diffstat (limited to 'cmake/FindALSA.cmake')
| -rw-r--r-- | cmake/FindALSA.cmake | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/cmake/FindALSA.cmake b/cmake/FindALSA.cmake new file mode 100644 index 00000000..519304d6 --- /dev/null +++ b/cmake/FindALSA.cmake @@ -0,0 +1,73 @@ +# - 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 <[email protected]> +# +# 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) |