function(z_vcpkg_calculate_corrected_macho_rpath) cmake_parse_arguments(PARSE_ARGV 0 "arg" "" "MACHO_FILE_DIR;OUT_NEW_RPATH_VAR" "") if(DEFINED arg_UNPARSED_ARGUMENTS) message(FATAL_ERROR "${CMAKE_CURRENT_FUNCTION} was passed extra arguments: ${arg_UNPARSED_ARGUMENTS}") endif() set(current_prefix "${CURRENT_PACKAGES_DIR}") set(current_installed_prefix "${CURRENT_INSTALLED_DIR}") file(RELATIVE_PATH relative_from_packages "${CURRENT_PACKAGES_DIR}" "${arg_MACHO_FILE_DIR}") if("${relative_from_packages}/" MATCHES "^debug/" OR "${relative_from_packages}/" MATCHES "^(manual-)?tools/.*/debug/.*") set(current_prefix "${CURRENT_PACKAGES_DIR}/debug") set(current_installed_prefix "${CURRENT_INSTALLED_DIR}/debug") endif() # compute path relative to lib file(RELATIVE_PATH relative_to_lib "${arg_MACHO_FILE_DIR}" "${current_prefix}/lib") # remove trailing slash string(REGEX REPLACE "/+$" "" relative_to_lib "${relative_to_lib}") if(NOT relative_to_lib STREQUAL "") set(new_rpath "@loader_path/${relative_to_lib}") else() set(new_rpath "@loader_path") endif() set("${arg_OUT_NEW_RPATH_VAR}" "${new_rpath}" PARENT_SCOPE) endfunction() function(z_vcpkg_fixup_macho_rpath_in_dir) # We need to iterate through everything because we # can't predict where a Mach-O file will be located file(GLOB root_entries LIST_DIRECTORIES TRUE "${CURRENT_PACKAGES_DIR}/*") # Skip some folders for better throughput list(APPEND folders_to_skip "include") list(JOIN folders_to_skip "|" folders_to_skip_regex) set(folders_to_skip_regex "^(${folders_to_skip_regex})$") find_program( install_name_tool_cmd NAMES install_name_tool DOC "Absolute path of install_name_tool cmd" REQUIRED ) find_program( otool_cmd NAMES otool DOC "Absolute path of otool cmd" REQUIRED ) find_program( file_cmd NAMES file DOC "Absolute path of file cmd" REQUIRED ) foreach(folder IN LISTS root_entries) if(NOT IS_DIRECTORY "${folder}") continue() endif() get_filename_component(folder_name "${folder}" NAME) if(folder_name MATCHES "${folders_to_skip_regex}") continue() endif() file(GLOB_RECURSE macho_files LIST_DIRECTORIES FALSE "${folder}/*") list(FILTER macho_files EXCLUDE REGEX [[\.(cpp|cc|cxx|c|hpp|h|hh|hxx|inc|json|toml|yaml|man|m4|ac|am|in|log|txt|pyi?|pyc|pyx|pxd|pc|cmake|f77|f90|f03|fi|f|cu|mod|ini|whl|cat|csv|rst|md|npy|npz|template|build)$]]) list(FILTER macho_files EXCLUDE REGEX "/(copyright|LICENSE|METADATA)$") foreach(macho_file IN LISTS macho_files) if(IS_SYMLINK "${macho_file}") continue() endif() # Determine if the file is a Mach-O executable or shared library execute_process( COMMAND "${file_cmd}" -b "${macho_file}" OUTPUT_VARIABLE file_output OUTPUT_STRIP_TRAILING_WHITESPACE ) if(file_output MATCHES ".*Mach-O.*shared library.*") set(file_type "shared") elseif(file_output MATCHES ".*Mach-O.*executable.*") set(file_type "executable") else() debug_message("File `${macho_file}` reported as `${file_output}` is not a Mach-O file") continue() endif() get_filename_component(macho_file_dir "${macho_file}" DIRECTORY) get_filename_component(macho_file_name "${macho_file}" NAME) z_vcpkg_calculate_corrected_macho_rpath( MACHO_FILE_DIR "${macho_file_dir}" OUT_NEW_RPATH_VAR new_rpath ) if("${file_type}" STREQUAL "shared") # Set the install name for shared libraries execute_process( COMMAND "${install_name_tool_cmd}" -id "@rpath/${macho_file_name}" "${macho_file}" OUTPUT_QUIET ERROR_VARIABLE set_id_error ) message(STATUS "Set install name id of '${macho_file}' to '@rpath/${macho_file_name}'") if(NOT "${set_id_error}" STREQUAL "") message(WARNING "Couldn't adjust install name of '${macho_file}': ${set_id_error}") continue() endif() endif() # List all existing rpaths execute_process( COMMAND "${otool_cmd}" -l "${macho_file}" OUTPUT_VARIABLE get_rpath_ov RESULT_VARIABLE get_rpath_rv ) if(NOT get_rpath_rv EQUAL 0) message(FATAL_ERROR "Could not obtain rpath list from '${macho_file}'") endif() # Extract the LC_RPATH load commands and extract the paths string(REGEX REPLACE "[^\n]+cmd LC_RPATH\n[^\n]+\n[^\n]+path ([^\n]+) \\(offset[^\n]+\n" "rpath \\1\n" get_rpath_ov "${get_rpath_ov}") string(REGEX MATCHALL "rpath [^\n]+" get_rpath_ov "${get_rpath_ov}") string(REGEX REPLACE "rpath " "" rpath_list "${get_rpath_ov}") list(FIND rpath_list "${new_rpath}" has_new_rpath) if(NOT has_new_rpath EQUAL -1) list(REMOVE_AT rpath_list ${has_new_rpath}) set(rpath_args) else() set(rpath_args -add_rpath "${new_rpath}") endif() foreach(rpath IN LISTS rpath_list) list(APPEND rpath_args "-delete_rpath" "${rpath}") endforeach() if(NOT rpath_args) continue() endif() # Set the new rpath execute_process( COMMAND "${install_name_tool_cmd}" ${rpath_args} "${macho_file}" OUTPUT_QUIET ERROR_VARIABLE set_rpath_error ) if(NOT "${set_rpath_error}" STREQUAL "") message(WARNING "Couldn't adjust RPATH of '${macho_file}': ${set_rpath_error}") continue() endif() message(STATUS "Adjusted RPATH of '${macho_file}' to '${new_rpath}'") endforeach() endforeach() endfunction()