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13db5b578b
FIND_PACKAGE_HANDLE_STANDARD_ARGS(), so cmake modules can specify their own better failure messages. If the default is ok use "DEFAULT_MSG". Do this also for FindBoost.cmake (#5349) Alex
63 lines
2.6 KiB
CMake
63 lines
2.6 KiB
CMake
# - Locate OpenAL
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# This module defines
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# OPENAL_LIBRARY
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# OPENAL_FOUND, if false, do not try to link to OpenAL
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# OPENAL_INCLUDE_DIR, where to find the headers
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#
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# $OPENALDIR is an environment variable that would
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# correspond to the ./configure --prefix=$OPENALDIR
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# used in building OpenAL.
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#
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# Created by Eric Wing. This was influenced by the FindSDL.cmake module.
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# On OSX, this will prefer the Framework version (if found) over others.
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# People will have to manually change the cache values of
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# OPENAL_LIBRARY to override this selection.
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# Tiger will include OpenAL as part of the System.
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# But for now, we have to look around.
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# Other (Unix) systems should be able to utilize the non-framework paths.
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FIND_PATH(OPENAL_INCLUDE_DIR NAMES al.h
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PATH_SUFFIXES AL OpenAL
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PATHS
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$ENV{OPENALDIR}/include
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~/Library/Frameworks/OpenAL.framework/Headers
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/Library/Frameworks/OpenAL.framework/Headers
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/System/Library/Frameworks/OpenAL.framework/Headers # Tiger
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)
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# I'm not sure if I should do a special casing for Apple. It is
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# unlikely that other Unix systems will find the framework path.
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# But if they do ([Next|Open|GNU]Step?),
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# do they want the -framework option also?
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IF(${OPENAL_INCLUDE_DIR} MATCHES ".framework")
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STRING(REGEX REPLACE "(.*)/.*\\.framework/.*" "\\1" OPENAL_FRAMEWORK_PATH_TMP ${OPENAL_INCLUDE_DIR})
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IF("${OPENAL_FRAMEWORK_PATH_TMP}" STREQUAL "/Library/Frameworks"
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OR "${OPENAL_FRAMEWORK_PATH_TMP}" STREQUAL "/System/Library/Frameworks"
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)
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# String is in default search path, don't need to use -F
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SET (OPENAL_LIBRARY "-framework OpenAL" CACHE STRING "OpenAL framework for OSX")
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ELSE("${OPENAL_FRAMEWORK_PATH_TMP}" STREQUAL "/Library/Frameworks"
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OR "${OPENAL_FRAMEWORK_PATH_TMP}" STREQUAL "/System/Library/Frameworks"
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)
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# String is not /Library/Frameworks, need to use -F
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SET(OPENAL_LIBRARY "-F${OPENAL_FRAMEWORK_PATH_TMP} -framework OpenAL" CACHE STRING "OpenAL framework for OSX")
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ENDIF("${OPENAL_FRAMEWORK_PATH_TMP}" STREQUAL "/Library/Frameworks"
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OR "${OPENAL_FRAMEWORK_PATH_TMP}" STREQUAL "/System/Library/Frameworks"
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)
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# Clear the temp variable so nobody can see it
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SET(OPENAL_FRAMEWORK_PATH_TMP "" CACHE INTERNAL "")
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ELSE(${OPENAL_INCLUDE_DIR} MATCHES ".framework")
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FIND_LIBRARY(OPENAL_LIBRARY
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NAMES openal al OpenAL32
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PATHS
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$ENV{OPENALDIR}/lib
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$ENV{OPENALDIR}/libs
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)
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ENDIF(${OPENAL_INCLUDE_DIR} MATCHES ".framework")
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# handle the QUIETLY and REQUIRED arguments and set OPENAL_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(OpenAL DEFAULT_MSG OPENAL_LIBRARY OPENAL_INCLUDE_DIR)
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