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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| 
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|     if(PARAM_CONDITION)
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|         if(NOT (${PARAM_CONDITION}))
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|             return()
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|         endif()
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|     endif()
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| 
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|     foreach(FILE IN LISTS PARAM_FILES)
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|         # Some IDEs are not happy with duplicated filenames, so we detect that before adding the file.
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|         #get_target_property(${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 ${RES}")
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|         #    endif()
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|         #endif()
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| 
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|         target_sources(${tgt} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/${FILE})
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|     endforeach()
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| endfunction()
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| 
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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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| 
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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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| 
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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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| 
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|     get_property(SOURCE_PROPERTIES GLOBAL PROPERTY source_properties)
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| 
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|     foreach(FILE IN LISTS PARAM_FILES)
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|         list(APPEND SOURCE_PROPERTIES "${CMAKE_CURRENT_SOURCE_DIR}/${FILE}::${PARAM_COMPILE_FLAGS}")
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|     endforeach()
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| 
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|     set_property(GLOBAL PROPERTY source_properties "${SOURCE_PROPERTIES}")
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| endfunction()
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| 
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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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| 
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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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| 
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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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