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https://github.com/JGRennison/OpenTTD-patches.git
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92 lines
3.3 KiB
CMake
92 lines
3.3 KiB
CMake
function(_add_files_tgt tgt)
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cmake_parse_arguments(PARAM "" "" "CONDITION" ${ARGN})
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set(PARAM_FILES "${PARAM_UNPARSED_ARGUMENTS}")
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if(PARAM_CONDITION)
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if(NOT (${PARAM_CONDITION}))
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return()
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endif()
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endif()
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foreach(FILE IN LISTS PARAM_FILES)
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# Some IDEs are not happy with duplicated filenames, so we detect that before adding the file.
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#get_target_property(${tgt}_FILES ${tgt} SOURCES)
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#if(${tgt}_FILES MATCHES "/${FILE}(;|$)")
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# string(REGEX REPLACE "(^|.+;)([^;]+/${FILE})(;.+|$)" "\\2" RES "${${tgt}_FILES}")
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# # Ignore header files duplicates in 3rdparty.
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# if(NOT (${FILE} MATCHES "\.h" AND (${RES} MATCHES "3rdparty" OR ${CMAKE_CURRENT_SOURCE_DIR} MATCHES "3rdparty")))
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# message(FATAL_ERROR "${tgt}: ${CMAKE_CURRENT_SOURCE_DIR}/${FILE} filename is a duplicate of ${RES}")
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# endif()
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#endif()
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target_sources(${tgt} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/${FILE})
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endforeach()
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endfunction()
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# Add a file to be compiled.
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#
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# add_files([file1 ...] CONDITION condition [condition ...])
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#
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# CONDITION is a complete statement that can be evaluated with if().
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# If it evaluates true, the source files will be added; otherwise not.
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# For example: ADD_IF SDL_FOUND AND Allegro_FOUND
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#
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function(add_files)
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_add_files_tgt(${OPENTTD_LIB} ${ARGV})
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endfunction()
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# Add a test file to be compiled.
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#
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# add_test_files([file1 ...] CONDITION condition [condition ...])
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#
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# CONDITION is a complete statement that can be evaluated with if().
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# If it evaluates true, the source files will be added; otherwise not.
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# For example: ADD_IF SDL_FOUND AND Allegro_FOUND
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#
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function(add_test_files)
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if(NOT OPTION_NO_SPLIT_LIB)
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_add_files_tgt(openttd_test ${ARGV})
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endif()
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endfunction()
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# This function works around an 'issue' with CMake, where
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# set_source_files_properties() only works in the scope of the file. We want
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# to set properties for the source file on a more global level. To solve this,
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# this function records the flags you want, and a macro adds them in the root
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# CMakeLists.txt.
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# See this URL for more information on the issue:
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# http://cmake.3232098.n2.nabble.com/scope-of-set-source-files-properties-td4766111.html
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#
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# set_compile_flags([file1 ...] COMPILE_FLAGS cflag [cflag ...])
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#
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function(set_compile_flags)
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cmake_parse_arguments(PARAM "" "" "COMPILE_FLAGS" ${ARGN})
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set(PARAM_FILES "${PARAM_UNPARSED_ARGUMENTS}")
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get_property(SOURCE_PROPERTIES GLOBAL PROPERTY source_properties)
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foreach(FILE IN LISTS PARAM_FILES)
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list(APPEND SOURCE_PROPERTIES "${CMAKE_CURRENT_SOURCE_DIR}/${FILE}::${PARAM_COMPILE_FLAGS}")
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endforeach()
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set_property(GLOBAL PROPERTY source_properties "${SOURCE_PROPERTIES}")
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endfunction()
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# Call this macro in the same CMakeLists.txt and after add_executable().
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# This makes sure all the COMPILE_FLAGS of set_compile_flags() are set
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# correctly.
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#
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# process_compile_flags()
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#
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function(process_compile_flags)
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get_property(SOURCE_PROPERTIES GLOBAL PROPERTY source_properties)
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foreach(ENTRY ${SOURCE_PROPERTIES})
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string(REPLACE "::" ";" ENTRY "${ENTRY}")
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list(GET ENTRY 0 FILE)
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list(GET ENTRY 1 PROPERTIES)
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set_source_files_properties(${FILE} PROPERTIES COMPILE_FLAGS ${PROPERTIES})
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endforeach()
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endfunction()
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