109 lines
2.9 KiB
CMake
109 lines
2.9 KiB
CMake
# - Copy/parse lua source files as a custom target
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#
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# include(LuaTargets)
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# add_lua_target(<target_name> <directory to copy to> [<luafile> <luafile>])
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# Relative paths for the destination directory are considered with
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# with respect to CMAKE_CURRENT_BINARY_DIR
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#
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# install_lua_target(<target_name> [arguments to INSTALL(PROGRAMS ...) ])
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#
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# Set this variable to specify location of luac, if it is not a target:
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# LUA_TARGET_LUAC_EXECUTABLE
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#
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# Requires CMake 2.6 or newer (uses the 'function' command)
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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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if(__add_lua)
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return()
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endif()
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set(__add_lua YES)
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include(FileCopyTargets)
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function(add_lua_target _target _dest)
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if(NOT ARGN)
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message(WARNING
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"In add_lua_target call for target ${_target}, no source files were specified!")
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return()
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endif()
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if(NOT LUA_TARGET_LUAC_EXECUTABLE)
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if(TARGET luac)
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set(LUA_TARGET_LUAC_EXECUTABLE luac)
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mark_as_advanced(LUA_TARGET_LUAC_EXECUTABLE)
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else()
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find_program(LUA_TARGET_LUAC_EXECUTABLE NAMES luac)
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endif()
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endif()
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if(NOT LUA_TARGET_LUAC_EXECUTABLE)
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message(FATAL_ERROR
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"Can't find luac: please give LUA_TARGET_LUAC_EXECUTABLE a useful value - currently ${LUA_TARGET_LUAC_EXECUTABLE}")
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endif()
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mark_as_advanced(LUA_TARGET_LUAC_EXECUTABLE)
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set(ALLFILES)
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set(SOURCES)
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foreach(fn ${ARGN})
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# Produce an absolute path to the input file
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if(IS_ABSOLUTE "${fn}")
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get_filename_component(fullpath "${fn}" ABSOLUTE)
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get_filename_component(fn "${fn}" NAME)
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else()
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get_filename_component(fullpath
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"${CMAKE_CURRENT_SOURCE_DIR}/${fn}"
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ABSOLUTE)
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endif()
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# Clean up output file name
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get_filename_component(absout "${_dest}/${fn}" ABSOLUTE)
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add_custom_command(OUTPUT "${absout}"
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COMMAND
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${CMAKE_COMMAND}
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ARGS -E make_directory "${_dest}"
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COMMAND
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${CMAKE_COMMAND}
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ARGS -E copy "${fullpath}" "${_dest}"
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COMMAND
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"${LUA_TARGET_LUAC_EXECUTABLE}"
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ARGS -p "${fullpath}"
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MAIN_DEPENDENCY "${fullpath}"
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VERBATIM
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COMMENT "Copying ${fn} to ${absout} and parsing...")
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list(APPEND SOURCES "${fullpath}")
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list(APPEND ALLFILES "${absout}")
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endforeach()
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# Custom target depending on all the file copy commands
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add_custom_target(${_target}
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SOURCES ${SOURCES}
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DEPENDS ${ALLFILES})
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if(TARGET "${LUA_TARGET_LUAC_EXECUTABLE}")
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get_property(_luac_imported
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TARGET
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"${LUA_TARGET_LUAC_EXECUTABLE}"
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PROPERTY
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IMPORTED)
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if(NOT _luac_imported)
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add_dependencies(${_target} ${LUA_TARGET_LUAC_EXECUTABLE})
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endif()
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endif()
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set_property(TARGET ${_target} PROPERTY FILE_COPY_TARGET YES)
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endfunction()
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function(install_lua_target)
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install_file_copy_target(${ARGN})
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endfunction()
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