FindOpus.cmake

# - Find opus library
# Find the native Opus headers and libraries. Opus depends on Ogg and will
# provide Ogg headers/libraries as well.
#
#  OPUS_INCLUDE_DIRS   - where to find opus/opus.h, ogg/ogg.h, etc
#  OPUS_LIBRARIES      - List of libraries when using libopus
#  OPUS_FOUND          - True if opus is found.


#=============================================================================
#Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
#All rights reserved.
#
#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.
#
#* Neither the names of Kitware, Inc., the Insight Software Consortium, nor 
#the names of their contributors may be used to endorse or promote products 
#derived from this software without specific prior written  permission.
#
#THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER OR CONTRIBUTORS BE 
#LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
#CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
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#=============================================================================

# Find Ogg
if( Opus_FIND_REQUIRED )
  set( OGG_ARG "REQUIRED" )
elseif( Opus_FIND_QUIETLY )
  set( OGG_ARG "QUIETLY" )
endif()

find_package( Ogg ${OGG_ARG} )

# Look for the opusfile header file.
find_path( OPUS_INCLUDE_DIR
  NAMES opus/opusfile.h
  DOC "Opus include directory" )
mark_as_advanced( OPUS_INCLUDE_DIR )

# Look for the opusfile library.
find_library( OPUSFILE_LIBRARY
  NAMES opusfile
  DOC "Path to OpusFile library" )
mark_as_advanced( OPUSFILE_LIBRARY )

# Look for the opus library.
find_library( OPUS_LIBRARY
  NAMES opus
  DOC "Path to Opus library" )
mark_as_advanced( OPUS_LIBRARY )



# handle the QUIETLY and REQUIRED arguments and set OPUSFILE_FOUND to TRUE if 
# all listed variables are TRUE
include( ${CMAKE_ROOT}/Modules/FindPackageHandleStandardArgs.cmake )
FIND_PACKAGE_HANDLE_STANDARD_ARGS( Opus DEFAULT_MSG OPUSFILE_LIBRARY OPUS_LIBRARY OPUS_INCLUDE_DIR )

set( OPUS_LIBRARIES ${OPUSFILE_LIBRARY} ${OPUS_LIBRARY} ${OGG_LIBRARIES} )
set( OPUS_INCLUDE_DIRS ${OPUS_INCLUDE_DIR} ${OGG_INCLUDE_DIRS} ${OPUS_INCLUDE_DIR}/opus )