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125 lines
4.2 KiB
CMake
125 lines
4.2 KiB
CMake
function(llvm_replace_compiler_option var old new)
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# Replaces a compiler option or switch `old' in `var' by `new'.
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# If `old' is not in `var', appends `new' to `var'.
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# Example: llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
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# If the option already is on the variable, don't add it:
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if( "${${var}}" MATCHES "(^| )${new}($| )" )
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set(n "")
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else()
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set(n "${new}")
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endif()
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if( "${${var}}" MATCHES "(^| )${old}($| )" )
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string( REGEX REPLACE "(^| )${old}($| )" " ${n} " ${var} "${${var}}" )
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else()
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set( ${var} "${${var}} ${n}" )
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endif()
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set( ${var} "${${var}}" PARENT_SCOPE )
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endfunction(llvm_replace_compiler_option)
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macro(add_td_sources srcs)
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file(GLOB tds *.td)
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if( tds )
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source_group("TableGen descriptions" FILES ${tds})
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set_source_files_properties(${tds} PROPERTIES HEADER_FILE_ONLY ON)
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list(APPEND ${srcs} ${tds})
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endif()
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endmacro(add_td_sources)
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function(add_header_files_for_glob hdrs_out glob)
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file(GLOB hds ${glob})
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set(filtered)
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foreach(file ${hds})
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# Explicit existence check is necessary to filter dangling symlinks
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# out. See https://bugs.gentoo.org/674662.
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if(EXISTS ${file})
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list(APPEND filtered ${file})
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endif()
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endforeach()
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set(${hdrs_out} ${filtered} PARENT_SCOPE)
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endfunction(add_header_files_for_glob)
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function(find_all_header_files hdrs_out additional_headerdirs)
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add_header_files_for_glob(hds *.h)
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list(APPEND all_headers ${hds})
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foreach(additional_dir ${additional_headerdirs})
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add_header_files_for_glob(hds "${additional_dir}/*.h")
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list(APPEND all_headers ${hds})
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add_header_files_for_glob(hds "${additional_dir}/*.inc")
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list(APPEND all_headers ${hds})
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endforeach(additional_dir)
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set( ${hdrs_out} ${all_headers} PARENT_SCOPE )
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endfunction(find_all_header_files)
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function(llvm_process_sources OUT_VAR)
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cmake_parse_arguments(ARG "PARTIAL_SOURCES_INTENDED" "" "ADDITIONAL_HEADERS;ADDITIONAL_HEADER_DIRS" ${ARGN})
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set(sources ${ARG_UNPARSED_ARGUMENTS})
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llvm_check_source_file_list(${sources})
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# This adds .td and .h files to the Visual Studio solution:
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add_td_sources(sources)
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find_all_header_files(hdrs "${ARG_ADDITIONAL_HEADER_DIRS}")
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if (hdrs)
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set_source_files_properties(${hdrs} PROPERTIES HEADER_FILE_ONLY ON)
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endif()
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set_source_files_properties(${ARG_ADDITIONAL_HEADERS} PROPERTIES HEADER_FILE_ONLY ON)
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list(APPEND sources ${ARG_ADDITIONAL_HEADERS} ${hdrs})
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set( ${OUT_VAR} ${sources} PARENT_SCOPE )
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endfunction(llvm_process_sources)
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function(llvm_check_source_file_list)
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cmake_parse_arguments(ARG "" "SOURCE_DIR" "" ${ARGN})
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foreach(l ${ARG_UNPARSED_ARGUMENTS})
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get_filename_component(fp ${l} REALPATH)
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list(APPEND listed ${fp})
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endforeach()
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if(ARG_SOURCE_DIR)
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file(GLOB globbed
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"${ARG_SOURCE_DIR}/*.c" "${ARG_SOURCE_DIR}/*.cpp")
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else()
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file(GLOB globbed *.c *.cpp)
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endif()
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set_property(DIRECTORY APPEND PROPERTY LLVM_SOURCE_FILES ${listed})
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if (ARG_PARTIAL_SOURCES_INTENDED) # llvm_process_source's scope
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return()
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endif()
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get_directory_property(listed LLVM_SOURCE_FILES)
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foreach(g ${globbed})
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get_filename_component(fn ${g} NAME)
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if(ARG_SOURCE_DIR)
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set(entry "${g}")
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else()
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set(entry "${fn}")
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endif()
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get_filename_component(gp ${g} REALPATH)
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# Don't reject hidden files. Some editors create backups in the
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# same directory as the file.
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if (NOT "${fn}" MATCHES "^\\.")
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if(NOT ${entry} IN_LIST LLVM_OPTIONAL_SOURCES)
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if(NOT ${gp} IN_LIST listed)
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if(ARG_SOURCE_DIR)
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set(fn_relative "${ARG_SOURCE_DIR}/${fn}")
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else()
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set(fn_relative "${fn}")
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endif()
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message(SEND_ERROR "Found erroneous configuration for source file ${fn_relative}
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LLVM's build system enforces that all source files are added to a build target, \
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that exactly one build target exists in each directory, \
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and that this target lists all files in that directory. \
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If you want multiple targets in the same directory, add \
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PARTIAL_SOURCES_INTENDED to the target specification, though it is discouraged.
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Please update ${CMAKE_CURRENT_LIST_FILE}\n")
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endif()
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endif()
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endif()
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endforeach()
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endfunction(llvm_check_source_file_list)
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