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314 lines
13 KiB
CMake
314 lines
13 KiB
CMake
##
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# Copyright 2009-2010 Jakob Westhoff. All rights reserved.
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# Copyright 2012 elementary.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY JAKOB WESTHOFF ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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# EVENT SHALL JAKOB WESTHOFF OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and documentation are those
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# of the authors and should not be interpreted as representing official policies,
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# either expressed or implied, of Jakob Westhoff
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##
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include(ParseArguments)
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find_package(Vala REQUIRED)
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##
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# Compile vala files to their c equivalents for further processing.
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#
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# The "vala_precompile" macro takes care of calling the valac executable on the
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# given source to produce c files which can then be processed further using
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# default cmake functions.
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#
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# The first parameter provided is a variable, which will be filled with a list
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# of c files outputted by the vala compiler. This list can than be used in
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# conjunction with functions like "add_executable" or others to create the
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# necessary compile rules with CMake.
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#
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# The initial variable is followed by a list of .vala files to be compiled.
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# Please take care to add every vala file belonging to the currently compiled
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# project or library as Vala will otherwise not be able to resolve all
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# dependencies.
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#
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# The following sections may be specified afterwards to provide certain options
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# to the vala compiler:
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#
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# LIBRARY
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# Indicates that this is to be compiled as a library.
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#
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# PACKAGES
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# A list of vala packages/libraries to be used during the compile cycle. The
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# package names are exactly the same, as they would be passed to the valac
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# "--pkg=" option.
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#
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# OPTIONS
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# A list of optional options to be passed to the valac executable. This can be
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# used to pass "--thread" for example to enable multi-threading support.
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#
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# CUSTOM_VAPIS
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# A list of custom vapi files to be included for compilation. This can be
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# useful to include freshly created vala libraries without having to install
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# them in the system.
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#
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# DEPENDS
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# Additional files that may change the results of the outputed C files.
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#
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# GENERATE_VAPI [INTERNAL]
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# Pass all the needed flags to the compiler to create a vapi for
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# the compiled library. The provided name will be used for this and a
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# <provided_name>.vapi file will be created. If INTERNAL is specified,
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# an internal vapi <provided_name>_internal.vapi will be created as well.
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# This option implies GENERATE_HEADER, so there is not need use GENERATE_HEADER
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# in addition to GENERATE_VAPI unless they require different names. Requires
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# that LIBRARY is set.
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#
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# GENERATE_HEADER [INTERNAL]
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# Let the compiler generate a header file for the compiled code. There will
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# be a header file being generated called <provided_name>.h. If INTERNAL
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# is specified, an internal header <provided_name>_internal.h will be created
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# as well.
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#
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# GENERATE_GIR [TYPELIB]
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# Have the compiler generate a GObject-Introspection repository file with
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# name: <provided_name>.gir. If TYPELIB is specified, the compiler will also
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# create a binary typelib using the GI compiler. Requires that LIBRARY is set.
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#
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# TYPELIB_OPTIONS
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# Additional options to pass to the GI compiler. Requires that GENERATE_GIR
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# TYPELIB is set.
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#
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# GENERATE_SYMBOLS
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# Output a <provided_name>.symbols file containing all the exported symbols.
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#
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# The following call is a simple example to the vala_precompile macro showing
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# an example to every of the optional sections:
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#
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# vala_precompile(VALA_C mytargetname
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# LIBRARY
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# source1.vala
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# source2.vala
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# source3.vala
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# PACKAGES
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# gtk+-2.0
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# gio-1.0
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# posix
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# DIRECTORY
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# gen
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# OPTIONS
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# --thread
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# CUSTOM_VAPIS
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# some_vapi.vapi
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# GENERATE_VAPI
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# myvapi
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# GENERATE_HEADER
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# myheader
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# GENERATE_GIR TYPELIB
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# mygir
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# TYPELIB_OPTIONS
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# --includedir=some/dir
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# GENERATE_SYMBOLS
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# mysymbols
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# )
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#
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# Most important is the variable VALA_C which will contain all the generated c
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# file names after the call.
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##
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macro(vala_precompile output target_name)
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parse_arguments(ARGS
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"TARGET;PACKAGES;OPTIONS;TYPELIB_OPTIONS;DIRECTORY;GENERATE_GIR;GENERATE_SYMBOLS;GENERATE_HEADER;GENERATE_VAPI;CUSTOM_VAPIS;DEPENDS"
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"LIBRARY" ${ARGN})
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if(ARGS_DIRECTORY)
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set(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/${ARGS_DIRECTORY})
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else(ARGS_DIRECTORY)
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set(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
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endif(ARGS_DIRECTORY)
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include_directories(${DIRECTORY})
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set(vala_pkg_opts "")
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foreach(pkg ${ARGS_PACKAGES})
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list(APPEND vala_pkg_opts "--pkg=${pkg}")
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endforeach(pkg ${ARGS_PACKAGES})
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set(in_files "")
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set(out_files "")
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set(out_files_display "")
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set(${output} "")
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foreach(src ${ARGS_DEFAULT_ARGS})
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# this string(REPLACE ...) is a workaround for a strange behavior when
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# the cmake binary directory is a subdirectory of the source directory
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# and you include a vala source file from the cmake binary directory.
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# For a yet to be determined reason, cmake deletes the generated c file
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# before it is compiled, resulting in an error. We fix this by making
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# any absolute path that is in the source directory a relative path.
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string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" src ${src})
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string(REGEX MATCH "^/" IS_MATCHED ${src})
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if(${IS_MATCHED} MATCHES "/")
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set(src_file_path ${src})
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else()
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set(src_file_path ${CMAKE_CURRENT_SOURCE_DIR}/${src})
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endif()
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list(APPEND in_files ${src_file_path})
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string(REPLACE ".vala" ".c" src ${src})
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string(REPLACE ".gs" ".c" src ${src})
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if(${IS_MATCHED} MATCHES "/")
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get_filename_component(VALA_FILE_NAME ${src} NAME)
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set(out_file "${CMAKE_CURRENT_BINARY_DIR}/${VALA_FILE_NAME}")
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list(APPEND out_files "${CMAKE_CURRENT_BINARY_DIR}/${VALA_FILE_NAME}")
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else()
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set(out_file "${DIRECTORY}/${src}")
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list(APPEND out_files "${DIRECTORY}/${src}")
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endif()
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list(APPEND ${output} ${out_file})
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list(APPEND out_files_display "${src}")
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endforeach(src ${ARGS_DEFAULT_ARGS})
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set(custom_vapi_arguments "")
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if(ARGS_CUSTOM_VAPIS)
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foreach(vapi ${ARGS_CUSTOM_VAPIS})
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if(${vapi} MATCHES ${CMAKE_SOURCE_DIR} OR ${vapi} MATCHES ${CMAKE_BINARY_DIR})
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list(APPEND custom_vapi_arguments ${vapi})
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else (${vapi} MATCHES ${CMAKE_SOURCE_DIR} OR ${vapi} MATCHES ${CMAKE_BINARY_DIR})
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list(APPEND custom_vapi_arguments ${CMAKE_CURRENT_SOURCE_DIR}/${vapi})
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endif(${vapi} MATCHES ${CMAKE_SOURCE_DIR} OR ${vapi} MATCHES ${CMAKE_BINARY_DIR})
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endforeach(vapi ${ARGS_CUSTOM_VAPIS})
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endif(ARGS_CUSTOM_VAPIS)
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set(library_arguments "")
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if(ARGS_LIBRARY)
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list(APPEND library_arguments "--library=${target_name}")
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endif(ARGS_LIBRARY)
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set(vapi_arguments "")
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if(ARGS_GENERATE_VAPI)
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parse_arguments(ARGS_GENERATE_VAPI "" "INTERNAL" ${ARGS_GENERATE_VAPI})
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list(APPEND out_files "${DIRECTORY}/${ARGS_GENERATE_VAPI_DEFAULT_ARGS}.vapi")
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list(APPEND out_files_display "${ARGS_GENERATE_VAPI_DEFAULT_ARGS}.vapi")
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list(APPEND vapi_arguments "--vapi=${ARGS_GENERATE_VAPI_DEFAULT_ARGS}.vapi")
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list(APPEND vapi_arguments "--vapi-comments")
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# Header and internal header is needed to generate internal vapi
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if (NOT ARGS_GENERATE_HEADER)
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set(ARGS_GENERATE_HEADER ${ARGS_GENERATE_VAPI_DEFAULT_ARGS})
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endif(NOT ARGS_GENERATE_HEADER)
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if(ARGS_GENERATE_VAPI_INTERNAL)
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list(APPEND out_files "${DIRECTORY}/${ARGS_GENERATE_VAPI_DEFAULT_ARGS}_internal.vapi")
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list(APPEND out_files_display "${ARGS_GENERATE_VAPI_DEFAULT_ARGS}_internal.vapi")
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list(APPEND vapi_arguments "--internal-vapi=${ARGS_GENERATE_VAPI_DEFAULT_ARGS}_internal.vapi")
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list(APPEND ARGS_GENERATE_HEADER "INTERNAL")
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endif(ARGS_GENERATE_VAPI_INTERNAL)
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endif(ARGS_GENERATE_VAPI)
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set(header_arguments "")
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if(ARGS_GENERATE_HEADER)
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parse_arguments(ARGS_GENERATE_HEADER "" "INTERNAL" ${ARGS_GENERATE_HEADER})
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list(APPEND out_files "${DIRECTORY}/${ARGS_GENERATE_HEADER_DEFAULT_ARGS}.h")
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list(APPEND out_files_display "${ARGS_GENERATE_HEADER_DEFAULT_ARGS}.h")
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list(APPEND header_arguments "--header=${ARGS_GENERATE_HEADER_DEFAULT_ARGS}.h")
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if(ARGS_GENERATE_HEADER_INTERNAL)
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list(APPEND out_files "${DIRECTORY}/${ARGS_GENERATE_HEADER_DEFAULT_ARGS}_internal.h")
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list(APPEND out_files_display "${ARGS_GENERATE_HEADER_DEFAULT_ARGS}_internal.h")
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list(APPEND header_arguments "--internal-header=${ARGS_GENERATE_HEADER_DEFAULT_ARGS}_internal.h")
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endif(ARGS_GENERATE_HEADER_INTERNAL)
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endif(ARGS_GENERATE_HEADER)
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set(gir_arguments "")
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set(gircomp_command "")
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if(ARGS_GENERATE_GIR)
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parse_arguments(ARGS_GENERATE_GIR "" "TYPELIB" ${ARGS_GENERATE_GIR})
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list(APPEND out_files "${DIRECTORY}/${ARGS_GENERATE_GIR_DEFAULT_ARGS}.gir")
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list(APPEND out_files_display "${ARGS_GENERATE_GIR_DEFAULT_ARGS}.gir")
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list(APPEND gir_arguments "--gir=${ARGS_GENERATE_GIR_DEFAULT_ARGS}.gir")
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if(ARGS_GENERATE_GIR_TYPELIB)
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include (FindGirCompiler)
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find_package(GirCompiler REQUIRED)
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add_custom_command(
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OUTPUT
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"${DIRECTORY}/${ARGS_GENERATE_GIR_DEFAULT_ARGS}.typelib"
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COMMAND
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${G_IR_COMPILER_EXECUTABLE}
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ARGS
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"${DIRECTORY}/${ARGS_GENERATE_GIR_DEFAULT_ARGS}.gir"
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"--shared-library=$<TARGET_SONAME_FILE_NAME:${target_name}>"
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"--output=${DIRECTORY}/${ARGS_GENERATE_GIR_DEFAULT_ARGS}.typelib"
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${ARGS_TYPELIB_OPTIONS}
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DEPENDS
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"${DIRECTORY}/${ARGS_GENERATE_GIR_DEFAULT_ARGS}.gir"
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COMMENT
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"Genterating typelib.")
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add_custom_target("${target_name}-typelib"
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ALL
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DEPENDS
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"${DIRECTORY}/${ARGS_GENERATE_GIR_DEFAULT_ARGS}.typelib")
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endif(ARGS_GENERATE_GIR_TYPELIB)
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endif(ARGS_GENERATE_GIR)
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set(symbols_arguments "")
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if(ARGS_GENERATE_SYMBOLS)
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list(APPEND out_files "${DIRECTORY}/${ARGS_GENERATE_SYMBOLS}.symbols")
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list(APPEND out_files_display "${ARGS_GENERATE_SYMBOLS}.symbols")
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set(symbols_arguments "--symbols=${ARGS_GENERATE_SYMBOLS}.symbols")
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endif(ARGS_GENERATE_SYMBOLS)
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# Workaround for a bug that would make valac run twice. This file is written
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# after the vala compiler generates C source code.
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set(OUTPUT_STAMP ${CMAKE_CURRENT_BINARY_DIR}/${target_name}_valac.stamp)
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add_custom_command(
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OUTPUT
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${OUTPUT_STAMP}
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COMMAND
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${VALA_EXECUTABLE}
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ARGS
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"-C"
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${header_arguments}
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${library_arguments}
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${vapi_arguments}
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${gir_arguments}
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${symbols_arguments}
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"-b" ${CMAKE_CURRENT_SOURCE_DIR}
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"-d" ${DIRECTORY}
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${vala_pkg_opts}
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${ARGS_OPTIONS}
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"--debug"
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${in_files}
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${custom_vapi_arguments}
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COMMAND
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touch
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ARGS
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${OUTPUT_STAMP}
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DEPENDS
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${in_files}
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${ARGS_CUSTOM_VAPIS}
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${ARGS_DEPENDS}
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COMMENT
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"Generating ${out_files_display}"
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)
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# This command will be run twice for some reason (pass a non-empty string to COMMENT
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# in order to see it). Since valac is not executed from here, this won't be a problem.
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add_custom_command(OUTPUT ${out_files} DEPENDS ${OUTPUT_STAMP} COMMENT "")
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endmacro(vala_precompile)
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