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