93 lines
3.2 KiB
CMake
93 lines
3.2 KiB
CMake
# - try to find Java's IDLJ Interface Definition Language compiler.
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#
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# Ideally used with CMake 2.8.5 or newer for Java support using FindJava.cmake
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# and UseJava.cmake
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#
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# Variables:
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# Java_IDLJ_COMMAND, executable for idlj
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# IDLJ_FOUND, If false, do not try to use this
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#
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# Function:
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# java_idlj(varname idlfile [extra idlj args]) - Generates
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# the Java source files from the IDL file you indicate, and
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# appends filenames suitable to add to a add_jar() call to the
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# variable you specified.
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#
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# Because the files generated from an IDL file are not entirely predictable,
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# java_idlj runs idlj in the cmake step, rather than the build step, and triggers
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# a CMake re-run when an idl file is modified. Already up-to-date generated source
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# is not re-generated, however.
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#
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# Files are generated in a directory created specifically for
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# the particular IDL file and the particular call, in the build directory -
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# there should be no worries about overwriting files or picking up too much
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# with the wildcard.
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#
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# You may wish to add the IDL file to your list of sources if you want it
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# to appear in your IDE, but it is not necessary.
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#
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# Original Author:
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# 2012 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 2012.
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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(NOT JAVA_FOUND)
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find_package(Java QUIET)
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endif()
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if(JAVA_FOUND)
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get_filename_component(JAVA_BIN_DIR "${Java_JAVAC_EXECUTABLE}" PATH)
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find_program(Java_IDLJ_COMMAND
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idlj
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HINTS
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${JAVA_BIN_DIR}
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)
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endif()
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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(IDLJ
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DEFAULT_MSG
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Java_IDLJ_COMMAND
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JAVA_FOUND)
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if(IDLJ_FOUND)
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function(java_idlj _varname _idlfile)
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# Get some unique value we can use in a directory name
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# TODO would be better to somehow munge the full path relative to CMAKE_CURRENT_SOURCE_DIR
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# in case somebody has multiple idl files with the same name
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get_filename_component(_idl_name "${_idlfile}" NAME_WE)
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get_filename_component(_idl_abs "${_idlfile}" ABSOLUTE)
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# Compute directory name and stamp filename
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set(outdir "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/idlj/${_idl_name}.dir")
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set(stampfile "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/idlj/${_idl_name}.stamp")
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# Force re-cmake if idl file changes
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configure_file("${_idl_abs}" "${stampfile}" COPY_ONLY)
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if((NOT EXISTS "${outdir}") OR ("${_idl_abs}" IS_NEWER_THAN "${outdir}"))
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file(REMOVE_RECURSE "${outdir}")
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message(STATUS "Processing ${_idlfile} with Java's idlj")
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execute_process(COMMAND
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"${Java_IDLJ_COMMAND}" -fclient -fallTIE -td "${outdir}" ${ARGN} "${_idlfile}"
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WORKING_DIRECTORY
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"${CMAKE_CURRENT_SOURCE_DIR}")
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endif()
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file(GLOB_RECURSE _idl_output "${outdir}/*")
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set(${_varname} ${_idl_output} PARENT_SCOPE)
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# Clean up after ourselves on make clean
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set_property(DIRECTORY APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES "${outdir}" "${stampfile}")
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endfunction()
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endif()
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mark_as_advanced(Java_IDLJ_COMMAND)
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