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# - try to find the OpenAL ALUT library
#
# Users may optionally supply:
# ALUT_ROOT_DIR - a prefix to start searching.
#
# Cache Variables: (probably not for direct use in your scripts)
# ALUT_INCLUDE_DIR
# ALUT_LIBRARY
#
# Non-cache variables you might use in your CMakeLists.txt:
# ALUT_FOUND
# ALUT_INCLUDE_DIRS
# ALUT_LIBRARIES
# ALUT_WORKAROUND_INCLUDE_DIRS - add these to your include path with
# include_directories(${ALUT_WORKAROUND_INCLUDE_DIRS} ${ALUT_INCLUDE_DIRS})
# so you can always #include <AL/al.h> and #include <AL/alut.h> even on
# Mac where the paths might differ.
#
# Requires these CMake modules:
# FindPackageHandleStandardArgs (known included with CMake >=2.6.2)
#
# Original Author:
# 2009-2010 Ryan Pavlik <rpavlik@iastate.edu> <abiryan@ryand.net>
# http://academic.cleardefinition.com
# Iowa State University HCI Graduate Program/VRAC
#
# Copyright Iowa State University 2009-2010.
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt)
set(ALUT_ROOT_DIR
"${ALUT_ROOT_DIR}"
CACHE
PATH
"Path to search for ALUT library")
# Share search paths with OpenAL
if(NOT "$ENV{OPENALDIR}" STREQUAL "")
if(NOT ALUT_ROOT_DIR)
set(ALUT_ROOT_DIR "$ENV{OPENALDIR}")
endif()
else()
if(ALUT_ROOT_DIR)
set(ENV{OPENALDIR} "${ALUT_ROOT_DIR}")
endif()
endif()
###
# Configure ALUT
###
find_path(ALUT_INCLUDE_DIR
NAMES
alut.h
HINTS
"${ALUT_ROOT_DIR}"
PATH_SUFFIXES
AL
alut
OpenAL
include
include/alut
include/freealut
include/AL
include/OpenAL
PATHS
/usr/local
/opt/local
/sw)
mark_as_advanced(ALUT_INCLUDE_DIR)
find_library(ALUT_LIBRARY
NAMES
alut
HINTS
"${ALUT_ROOT_DIR}"
PATH_SUFFIXES
lib
lib64
PATHS
/usr/local
/opt/local
/sw)
mark_as_advanced(ALUT_LIBRARY)
###
# Prereq: OpenAL
###
# On Mac OS X, the ALUT headers were in the OpenAL framework until 10.4.7
# If we found ALUT headers elsewhere, it's probably freealut which may
# define the same symbols as the library in the framework (?)
# so we might want to save/restore the CMake variable that controls searching
# in frameworks
find_package(OpenAL QUIET)
# handle the QUIETLY and REQUIRED arguments and set xxx_FOUND to TRUE if
# all listed variables are TRUE
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(ALUT
DEFAULT_MSG
ALUT_LIBRARY
ALUT_INCLUDE_DIR
OPENAL_FOUND)
if(ALUT_FOUND)
set(ALUT_INCLUDE_DIRS "${OPENAL_INCLUDE_DIR}" "${ALUT_INCLUDE_DIR}")
set(ALUT_LIBRARIES "${OPENAL_LIBRARY}" ${ALUT_LIBRARY})
if(APPLE)
get_filename_component(_moddir ${CMAKE_CURRENT_LIST_FILE} PATH)
if("${OPENAL_INCLUDE_DIR}" MATCHES "\\.framework$")
# OpenAL is in a framework - need a workaround
set(OPENAL_WORKAROUND_INCLUDE_DIR
"${_moddir}/workarounds/mac-openal")
list(APPEND
ALUT_WORKAROUND_INCLUDE_DIRS
"${OPENAL_WORKAROUND_INCLUDE_DIR}")
endif()
if("${ALUT_INCLUDE_DIR}" MATCHES "\\.framework$")
# ALUT is in the OpenAL framework - need a workaround
set(ALUT_WORKAROUND_INCLUDE_DIR
"${_moddir}/workarounds/mac-alut-framework")
list(APPEND
ALUT_WORKAROUND_INCLUDE_DIRS
"${ALUT_WORKAROUND_INCLUDE_DIR}")
endif()
endif()
if("${ALUT_INCLUDE_DIR}" MATCHES "AL$")
get_filename_component(_parent "${ALUT_INCLUDE_DIR}/.." ABSOLUTE)
list(APPEND ALUT_INCLUDE_DIRS "${_parent}")
endif()
mark_as_advanced(ALUT_ROOT_DIR)
endif()
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