86 lines
2.5 KiB
CMake
86 lines
2.5 KiB
CMake
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# Add our target and all of it's aliases
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add_library( ${TARGET} INTERFACE )
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add_library( ${symbol} ALIAS ${TARGET} )
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add_library( libavcodec ALIAS ${TARGET} )
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add_library( libavformat ALIAS ${TARGET} )
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add_library( libavutil ALIAS ${TARGET} )
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# Pull in standard variables
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def_vars()
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message( STATUS "========== Configuring ${name} ==========" )
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# We can only (possibly) link to it if we have pkg-config
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if( PkgConfig_FOUND )
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set( opt "linked" )
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set( desc "linked, " )
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endif()
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# FFmpeg is either dynamically loaded, linked to, or off
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cmd_option( ${_OPT}use_ffmpeg
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"Use ffmpeg library [loaded, ${desc}off]"
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"loaded"
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STRINGS "loaded" ${opt} "off"
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)
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# Determine if it will be turned off, linked to, or loaded
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if( ${_OPT}use_ffmpeg STREQUAL "off" )
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message( STATUS "Disabling '${name}' library" )
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else()
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# Let the Audacity target know that this library will be used.
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set( USE_${symbol} ON CACHE INTERNAL "" )
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# Check for system package
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pkg_check_modules( ${TARGET} ${packages} )
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# Default to dynamically loaded
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set( isdyn YES )
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# Does the user want to link to it instead?
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if( ${_OPT}use_ffmpeg STREQUAL "linked" )
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# Set up for link if it was found
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if( ${TARGET}_FOUND )
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message( STATUS "Linking '${name}' library during build" )
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# Pull in the package settings
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get_package_interface( ${TARGET} )
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# Not dynamic
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set( isdyn NO )
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endif()
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endif()
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# Pull in the local includes if we're dynamically loading
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if( isdyn )
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message( STATUS "Will dynamically load '${name}' library at runtime" )
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# Use the system includes if they are available
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if( ${TARGET}_FOUND )
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message( STATUS "Using '${name}' system includes" )
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# Only pull in the includes, don't need the libraries
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list( APPEND INCLUDES
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INTERFACE
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${${TARGET}_INCLUDE_DIRS}
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)
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else()
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message( STATUS "Using '${name}' local includes" )
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# Use the local ffmpeg includes
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list( APPEND INCLUDES
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INTERFACE
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${TARGET_ROOT}
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)
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endif()
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endif()
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endif()
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# And add the settings to the target
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target_include_directories( ${TARGET} INTERFACE ${INCLUDES} )
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target_compile_options( ${TARGET} INTERFACE ${COPTS} )
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target_link_directories( ${TARGET} INTERFACE ${LINKDIRS} )
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target_link_options( ${TARGET} INTERFACE ${LOPTS} )
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target_link_libraries( ${TARGET} INTERFACE ${LIBRARIES} )
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