function(z_vcpkg_calculate_corrected_rpath) cmake_parse_arguments(PARSE_ARGV 0 "arg" "" "ELF_FILE_DIR;ORG_RPATH;OUT_NEW_RPATH_VAR" "") set(current_prefix "${CURRENT_PACKAGES_DIR}") set(current_installed_prefix "${CURRENT_INSTALLED_DIR}") file(RELATIVE_PATH relative_from_packages "${CURRENT_PACKAGES_DIR}" "${arg_ELF_FILE_DIR}") if("${relative_from_packages}/" MATCHES "^debug/|^(manual-tools|tools)/[^/]*/debug/") set(current_prefix "${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_ELF_FILE_DIR}" "${current_prefix}/lib") # compute path relative to prefix file(RELATIVE_PATH relative_to_prefix "${arg_ELF_FILE_DIR}" "${current_prefix}") set(rpath_norm "") if(NOT "${arg_ORG_RPATH}" STREQUAL "") cmake_path(CONVERT "${arg_ORG_RPATH}" TO_CMAKE_PATH_LIST rpath_norm) # pattern matching helpers list(TRANSFORM rpath_norm PREPEND "::") list(TRANSFORM rpath_norm APPEND "/") string(REPLACE "::${arg_ELF_FILE_DIR}/" "::\$ORIGIN/" rpath_norm "${rpath_norm}") # Remove unnecessary up/down ; don't use normalize $ORIGIN/../ will be removed otherwise string(REPLACE "/lib/pkgconfig/../../" "/" rpath_norm "${rpath_norm}") # lib relative corrections string(REPLACE "::${current_prefix}/lib/" "::\$ORIGIN/${relative_to_lib}/" rpath_norm "${rpath_norm}") string(REPLACE "::${current_installed_prefix}/lib/" "::\$ORIGIN/${relative_to_lib}/" rpath_norm "${rpath_norm}") # prefix relativ string(REPLACE "::${current_prefix}/" "::\$ORIGIN/${relative_to_prefix}/" rpath_norm "${rpath_norm}") string(REPLACE "::${current_installed_prefix}/" "::\$ORIGIN/${relative_to_prefix}/" rpath_norm "${rpath_norm}") if(NOT X_VCPKG_RPATH_KEEP_SYSTEM_PATHS) list(FILTER rpath_norm INCLUDE REGEX "::\\\$ORIGIN.+") # Only keep paths relativ to ORIGIN endif() # Path normalization list(TRANSFORM rpath_norm REPLACE "/+" "/") # remove pattern matching helpers list(TRANSFORM rpath_norm REPLACE "^::" "") list(TRANSFORM rpath_norm REPLACE "/\$" "") endif() if(NOT relative_to_lib STREQUAL "") list(PREPEND rpath_norm "\$ORIGIN/${relative_to_lib}") endif() list(PREPEND rpath_norm "\$ORIGIN") # Make ORIGIN the first entry list(TRANSFORM rpath_norm REPLACE "/$" "") list(REMOVE_DUPLICATES rpath_norm) cmake_path(CONVERT "${rpath_norm}" TO_NATIVE_PATH_LIST new_rpath) set("${arg_OUT_NEW_RPATH_VAR}" "${new_rpath}" PARENT_SCOPE) endfunction() function(z_vcpkg_fixup_rpath_in_dir) # We need to iterate trough everything because we # can't predict where an elf file will be located file(GLOB root_entries LIST_DIRECTORIES TRUE "${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 "^(${folders_to_skip_regex})$") # In download mode, we don't know if we're going to need PATCHELF, so be pessimistic and fetch # it so it ends up in the downloads directory. if(VCPKG_DOWNLOAD_MODE) vcpkg_find_acquire_program(PATCHELF) endif() foreach(folder IN LISTS root_entries) if(NOT IS_DIRECTORY "${folder}") continue() endif() get_filename_component(folder_name "${folder}" NAME) if(folder_name MATCHES "${folders_to_skip_regex}") continue() endif() file(GLOB_RECURSE elf_files LIST_DIRECTORIES FALSE "${folder}/*") list(FILTER elf_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)$") list(FILTER elf_files EXCLUDE REGEX "/(copyright|LICENSE|METADATA)$") foreach(elf_file IN LISTS elf_files) if(IS_SYMLINK "${elf_file}") continue() endif() vcpkg_find_acquire_program(PATCHELF) # Note that this relies on vcpkg_find_acquire_program short # circuiting after the first run # If this fails, the file is not an elf execute_process( COMMAND "${PATCHELF}" --print-rpath "${elf_file}" OUTPUT_VARIABLE readelf_output ERROR_VARIABLE read_rpath_error ) string(REPLACE "\n" "" readelf_output "${readelf_output}") if(NOT "${read_rpath_error}" STREQUAL "") continue() endif() get_filename_component(elf_file_dir "${elf_file}" DIRECTORY) z_vcpkg_calculate_corrected_rpath( ELF_FILE_DIR "${elf_file_dir}" ORG_RPATH "${readelf_output}" OUT_NEW_RPATH_VAR new_rpath ) execute_process( COMMAND "${PATCHELF}" --set-rpath "${new_rpath}" "${elf_file}" OUTPUT_QUIET ERROR_VARIABLE set_rpath_error ) if(NOT "${set_rpath_error}" STREQUAL "") message(WARNING "Couldn't adjust RPATH of '${elf_file}': ${set_rpath_error}") continue() endif() message(STATUS "Adjusted RPATH of '${elf_file}' (From '${readelf_output}' -> To '${new_rpath}')") endforeach() endforeach() endfunction()