2017-03-02 14:37:32 +00:00
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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" function takes care of calling the valac executable on
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# the 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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# conjuction with functions like "add_executable" or others to create the
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# neccessary compile rules with CMake.
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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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# SOURCES
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# A list of .vala files to be compiled. Please take care to add every vala
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# file belonging to the currently compiled project or library as Vala will
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# otherwise not be able to resolve all dependencies.
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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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# DEFINITIONS
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# A list of symbols to be used for conditional compilation. They are the same
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# as they would be passed using the valac "--define=" option.
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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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# GENERATE_VAPI
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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.
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#
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# GENERATE_HEADER
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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 as well as an internal header file being generated called
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# <provided_name>.h and <provided_name>_internal.h
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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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# find_package(Vala "0.12" REQUIRED)
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# include(${VALA_USE_FILE})
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#
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# vala_precompile(VALA_C
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# SOURCES
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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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# )
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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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##
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# Copyright 2009-2010 Jakob Westhoff. All rights reserved.
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# Copyright 2010-2011 Daniel Pfeifer
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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(CMakeParseArguments)
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function(_vala_mkdir_for_file file)
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get_filename_component(dir "${file}" DIRECTORY)
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file(MAKE_DIRECTORY "${dir}")
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endfunction()
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function(vala_precompile output)
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cmake_parse_arguments(ARGS "" "DIRECTORY;GENERATE_HEADER;GENERATE_VAPI"
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"SOURCES;PACKAGES;OPTIONS;DEFINITIONS;CUSTOM_VAPIS;GRESOURCES" ${ARGN})
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if(ARGS_DIRECTORY)
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get_filename_component(DIRECTORY ${ARGS_DIRECTORY} ABSOLUTE)
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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(vala_define_opts "")
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foreach(def ${ARGS_DEFINTIONS})
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list(APPEND vala_define_opts "--define=${def}")
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endforeach(def ${ARGS_DEFINTIONS})
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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 ${ARGS_CUSTOM_VAPIS})
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endif(ARGS_CUSTOM_VAPIS)
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set(gresources_args "")
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if(ARGS_GRESOURCES)
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set(gresources_args --gresources "${ARGS_GRESOURCES}")
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endif(ARGS_GRESOURCES)
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set(in_files "")
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set(fast_vapi_files "")
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set(out_files "")
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set(out_extra_files "")
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set(vapi_arguments "")
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if(ARGS_GENERATE_VAPI)
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list(APPEND out_extra_files "${DIRECTORY}/${ARGS_GENERATE_VAPI}.vapi")
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2017-03-10 15:16:48 +00:00
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set(vapi_arguments "--vapi=${ARGS_GENERATE_VAPI}.vapi")
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2017-03-02 14:37:32 +00:00
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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 ${ARGS_GENERATE_VAPI})
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endif(NOT ARGS_GENERATE_HEADER)
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endif(ARGS_GENERATE_VAPI)
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set(header_arguments "")
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if(ARGS_GENERATE_HEADER)
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list(APPEND out_extra_files "${DIRECTORY}/${ARGS_GENERATE_HEADER}.h")
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list(APPEND out_extra_files "${DIRECTORY}/${ARGS_GENERATE_HEADER}_internal.h")
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list(APPEND header_arguments "--header=${DIRECTORY}/${ARGS_GENERATE_HEADER}.h")
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list(APPEND header_arguments "--internal-header=${DIRECTORY}/${ARGS_GENERATE_HEADER}_internal.h")
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endif(ARGS_GENERATE_HEADER)
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foreach(src ${ARGS_SOURCES} ${ARGS_UNPARSED_ARGUMENTS})
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set(in_file "${CMAKE_CURRENT_SOURCE_DIR}/${src}")
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list(APPEND in_files "${in_file}")
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string(REPLACE ".vala" ".c" src ${src})
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string(REPLACE ".gs" ".c" src ${src})
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string(REPLACE ".c" ".vapi" fast_vapi ${src})
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set(fast_vapi_file "${DIRECTORY}/${fast_vapi}")
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list(APPEND fast_vapi_files "${fast_vapi_file}")
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list(APPEND out_files "${DIRECTORY}/${src}")
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_vala_mkdir_for_file("${fast_vapi_file}")
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add_custom_command(OUTPUT ${fast_vapi_file}
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COMMAND
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${VALA_EXECUTABLE}
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ARGS
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--fast-vapi ${fast_vapi_file}
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${ARGS_OPTIONS}
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${in_file}
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DEPENDS
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${in_file}
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COMMENT
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"Generating fast VAPI ${fast_vapi}"
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)
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endforeach(src ${ARGS_SOURCES} ${ARGS_UNPARSED_ARGUMENTS})
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foreach(src ${ARGS_SOURCES} ${ARGS_UNPARSED_ARGUMENTS})
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set(in_file "${CMAKE_CURRENT_SOURCE_DIR}/${src}")
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string(REPLACE ".vala" ".c" c_code ${src})
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string(REPLACE ".gs" ".c" c_code ${c_code})
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string(REPLACE ".c" ".vapi" fast_vapi ${c_code})
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set(my_fast_vapi_file "${DIRECTORY}/${fast_vapi}")
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set(c_code_file "${DIRECTORY}/${c_code}")
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set(fast_vapi_flags "")
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set(fast_vapi_stamp "")
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foreach(fast_vapi_file ${fast_vapi_files})
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if(NOT "${fast_vapi_file}" STREQUAL "${my_fast_vapi_file}")
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list(APPEND fast_vapi_flags --use-fast-vapi "${fast_vapi_file}")
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list(APPEND fast_vapi_stamp "${fast_vapi_file}")
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endif()
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endforeach(fast_vapi_file)
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_vala_mkdir_for_file("${fast_vapi_file}")
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get_filename_component(dir "${c_code_file}" DIRECTORY)
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add_custom_command(OUTPUT ${c_code_file}
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COMMAND
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${VALA_EXECUTABLE}
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ARGS
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"-C"
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"-d" ${dir}
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${vala_pkg_opts}
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${vala_define_opts}
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${gresources_args}
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${ARGS_OPTIONS}
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${fast_vapi_flags}
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${in_file}
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${custom_vapi_arguments}
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DEPENDS
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${fast_vapi_stamp}
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${in_file}
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${ARGS_CUSTOM_VAPIS}
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${ARGS_GRESOURCES}
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COMMENT
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"Generating C source ${c_code}"
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)
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endforeach(src)
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if(NOT "${out_extra_files}" STREQUAL "")
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add_custom_command(OUTPUT ${out_extra_files}
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COMMAND
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${VALA_EXECUTABLE}
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ARGS
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-C -q --disable-warnings
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${header_arguments}
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${vapi_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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${vala_define_opts}
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${gresources_args}
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${ARGS_OPTIONS}
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${in_files}
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${custom_vapi_arguments}
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DEPENDS
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${in_files}
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${ARGS_CUSTOM_VAPIS}
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${ARGS_GRESOURCES}
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COMMENT
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"Generating VAPI and headers for linking"
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)
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endif()
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set(${output} ${out_files} PARENT_SCOPE)
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endfunction(vala_precompile)
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