60 lines
1.5 KiB
CMake
60 lines
1.5 KiB
CMake
# Copyright Matus Chochlik.
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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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#
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# 2016-05-30: Updated for FlightGear --EMH--
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#
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unset(OPENAL_INCLUDE_DIRS)
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set(OPENAL_FOUND 0)
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#
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# try to find AL/al.h
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find_path(
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OPENAL_AL_H_DIR AL/al.h
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PATHS ${HEADER_SEARCH_PATHS}
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NO_DEFAULT_PATH
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)
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# if that didn't work try the system directories
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if((NOT OPENAL_AL_H_DIR) OR (NOT EXISTS ${OPENAL_AL_H_DIR}))
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find_path(OPENAL_AL_H_DIR AL/al.h)
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endif()
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# if found append it to the include directories
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if((OPENAL_AL_H_DIR) AND (EXISTS ${OPENAL_AL_H_DIR}))
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set(OPENAL_INCLUDE_DIRS ${OPENAL_INCLUDE_DIRS} ${OPENAL_AL_H_DIR})
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set(HAVE_AL_H true)
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set(OPENAL_FOUND 1)
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endif()
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#
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#
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# try to find AL/alext.h
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find_path(
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OPENAL_ALEXT_H_DIR AL/alext.h
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PATHS ${HEADER_SEARCH_PATHS}
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NO_DEFAULT_PATH
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)
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# if that didn't work try the system directories
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if((NOT OPENAL_ALEXT_H_DIR) OR (NOT EXISTS ${OPENAL_ALEXT_H_DIR}))
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find_path(OPENAL_ALEXT_H_DIR AL/alext.h)
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endif()
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#
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if((OPENAL_ALEXT_H_DIR) AND (EXISTS ${OPENAL_ALEXT_H_DIR}))
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set(OPENAL_INCLUDE_DIRS ${OPENAL_INCLUDE_DIRS} ${OPENAL_ALEXT_H_DIR})
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set(HAVE_ALEXT_H true)
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endif()
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# try to find the AL library
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find_library(
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OPENAL_LIBRARY NAMES openal
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PATHS ${LIBRARY_SEARCH_PATHS}
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NO_DEFAULT_PATH
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)
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if(NOT OPENAL_LIBRARY)
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find_library(OPENAL_LIBRARY NAMES openal)
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endif()
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set(OPENAL_LIBRARIES "")
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if(OPENAL_LIBRARY AND EXISTS ${OPENAL_LIBRARY})
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set(OPENAL_LIBRARIES ${OPENAL_LIBRARIES} ${OPENAL_LIBRARY})
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endif()
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