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# Locate OpenAL
# This module defines
# OPENAL_LIBRARY
# OPENAL_FOUND, if false, do not try to link to OpenAL
# OPENAL_INCLUDE_DIR, where to find the headers
#
# $OPENALDIR is an environment variable that would
# correspond to the ./configure --prefix=$OPENALDIR
# used in building OpenAL.
#
# Created by Eric Wing. This was influenced by the FindSDL.cmake
# module, but with modifications to recognize OS X frameworks.
# On OSX, this will prefer the Framework version (if found) over others.
# People will have to manually change the cache values of
# OPENAL_LIBRARY to override this selection.
# Tiger will include OpenAL as part of the System.
# But for now, we have to look around.
# Other (Unix) systems should be able to utilize the non-framework paths.
FIND_PATH(OPENAL_INCLUDE_DIR al.h
~/Library/Frameworks/OpenAL.framework/Headers
/Library/Frameworks/OpenAL.framework/Headers
/System/Library/Frameworks/OpenAL.framework/Headers
$ENV{OPENALDIR}/include
/usr/include
/usr/include/AL
/usr/include/OpenAL
/usr/local/include/AL
/usr/local/include/OpenAL
/sw/include
/sw/include/AL
)
# I'm not sure if I should do a special casing for Apple. It is
# unlikely that other Unix systems will find the framework path.
# But if they do ([Next|Open|GNU]Step?),
# do they want the -framework option also?
IF(${OPENAL_INCLUDE_DIR} MATCHES ".framework")
SET (OPENAL_LIBRARY "-framework OpenAL" CACHE STRING "OpenAL framework for OSX")
ELSE(${OPENAL_INCLUDE_DIR} MATCHES ".framework")
FIND_LIBRARY(OPENAL_LIBRARY
NAMES openal al
PATHS
$ENV{OPENALDIR}/lib
/usr/lib
/usr/local/lib
/sw/lib
)
ENDIF(${OPENAL_INCLUDE_DIR} MATCHES ".framework")
SET(OPENAL_FOUND "NO")
IF(OPENAL_LIBRARY)
SET(OPENAL_FOUND "YES")
ENDIF(OPENAL_LIBRARY)
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