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https://gitlab.com/kicad/code/kicad.git
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0a1d8c1aaa
This moves the generated files out of the source tree and into the build directory. They are now regenerated each time they are needed, based on the timestamp of the generated file compared to the timestamp of the lemon file. To do this, we also bundle lemon into the thirdparty directory and build it for ourselves since it is a very tiny program and not all platforms seem to distribute it in a consistent manner. Fixes https://gitlab.com/kicad/code/kicad/issues/5013
119 lines
5.4 KiB
CMake
119 lines
5.4 KiB
CMake
# This program source code file is part of KICAD, a free EDA CAD application.
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#
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# Copyright (C) 2010 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
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# Copyright (C) 2010-2020 Kicad Developers, see AUTHORS.txt for contributors.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, you may find one here:
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# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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# or you may search the http://www.gnu.org website for the version 2 license,
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# or you may write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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#
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# Function make_lexer
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# is a standard way to invoke TokenList2DsnLexer.cmake.
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# Extra arguments are treated as source files which depend on the generated
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# files. Some detail here on the indirection:
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# - Parallel builds all depend on the same files, and CMake will generate the same file multiple times in the same location.
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# This can be problematic if the files are generated at the same time and overwrite each other.
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# - To fix this, we create a custom target (outputTarget) that the parallel builds depend on.
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# AND build dependencies. This creates the needed rebuild for appropriate source object changes.
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function( make_lexer outputTarget inputFile outHeaderFile outCppFile enum )
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add_custom_command(
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OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${outHeaderFile}
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${CMAKE_CURRENT_BINARY_DIR}/${outCppFile}
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COMMAND ${CMAKE_COMMAND}
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-Denum=${enum}
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-DinputFile=${CMAKE_CURRENT_SOURCE_DIR}/${inputFile}
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-DoutHeaderFile=${CMAKE_CURRENT_BINARY_DIR}/${outHeaderFile}
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-DoutCppFile=${CMAKE_CURRENT_BINARY_DIR}/${outCppFile}
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-P ${CMAKE_MODULE_PATH}/TokenList2DsnLexer.cmake
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COMMENT "TokenList2DsnLexer.cmake creating:
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${outHeaderFile} and
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${outCppFile} from
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${inputFile}"
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DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${inputFile}
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${CMAKE_MODULE_PATH}/TokenList2DsnLexer.cmake
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)
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target_sources( ${outputTarget} PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/${outCppFile} )
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target_include_directories( ${outputTarget} PUBLIC ${CMAKE_CURRENT_BINARY_DIR} )
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endfunction()
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# Function generate_lemon_grammar
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#
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# This is a function to create a custom command to generate a parser grammar using lemon.
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#
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# Arguments:
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# - TGT is the target to add the consuming file to
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# - GRAMMAR_DIR is the path relative to CMAKE_CURRENT_BINARY_DIR for the directory where the files will be generated into
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# - CONSUMING_FILE is the file relative to CMAKE_CURRENT_SOURCE_DIR that will include the grammar.c/h file
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# - GRAMMAR_FILE is the file relative to CMAKE_CURRENT_SOURCE_DIR of the grammar file to use.
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function( generate_lemon_grammar TGT GRAMMAR_DIR CONSUMING_FILE GRAMMAR_FILE )
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# Get the name without extension
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get_filename_component( GRAMMAR_BASE ${GRAMMAR_FILE} NAME_WE )
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file( MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/${GRAMMAR_DIR} )
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set( LEMON_EXE $<TARGET_FILE:lemon>)
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get_property( LEMON_TEMPLATE
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TARGET lemon
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PROPERTY lemon_template
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)
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add_custom_command(
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OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${GRAMMAR_DIR}/${GRAMMAR_BASE}.c
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${CMAKE_CURRENT_BINARY_DIR}/${GRAMMAR_DIR}/${GRAMMAR_BASE}.h
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COMMAND ${CMAKE_COMMAND}
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-DLEMON_EXE=${LEMON_EXE}
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-DLEMON_TEMPLATE=${LEMON_TEMPLATE}
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-DGRAMMAR_FILE=${CMAKE_CURRENT_SOURCE_DIR}/${GRAMMAR_FILE}
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-DGRAMMAR_DIR=${CMAKE_CURRENT_BINARY_DIR}/${GRAMMAR_DIR}
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-P ${CMAKE_MODULE_PATH}/LemonParserGenerator.cmake
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COMMENT "Running Lemon on ${GRAMMAR_FILE} to generate ${GRAMMAR_DIR}/${GRAMMAR_BASE}.c"
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DEPENDS lemon
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${CMAKE_CURRENT_SOURCE_DIR}/${GRAMMAR_FILE}
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/${GRAMMAR_DIR}
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)
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# Mark the consuming file with a direct dependency on the generated grammar so that
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# it isn't compiled until the grammar is generated
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set_source_files_properties(
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${CMAKE_CURRENT_SOURCE_DIR}/${CONSUMING_FILE}
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PROPERTIES OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${GRAMMAR_DIR}/${GRAMMAR_BASE}.c
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)
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target_sources( ${TGT} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/${CONSUMING_FILE} )
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target_include_directories( ${TGT} PUBLIC ${CMAKE_CURRENT_BINARY_DIR} )
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endfunction()
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# Is a macro instead of function so there's a higher probability that the
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# scope of CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA is global
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macro( add_conffiles )
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if( ${ARGC} STREQUAL "0" )
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# remove the file when user passes no arguments, which he should do exactly once at top
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file( REMOVE ${CMAKE_CURRENT_BINARY_DIR}/conffiles )
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else()
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foreach( filename ${ARGV} )
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file( APPEND ${CMAKE_CURRENT_BINARY_DIR}/conffiles "${filename}\n" )
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endforeach()
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set( CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA ${CMAKE_CURRENT_BINARY_DIR}/conffiles )
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endif()
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endmacro( add_conffiles )
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