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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307#!/usr/bin/env python3
import jsonimport osimport reimport shutilimport subprocessimport sys
sys_re = re.compile("^/System")usr_re = re.compile("^/usr/lib/")exe_re = re.compile("@executable_path")
def is_user_lib(objfile, libname): return not sys_re.match(libname) and \ not usr_re.match(libname) and \ not exe_re.match(libname) and \ "libobjc." not in libname and \ "libSystem." not in libname and \ "libc." not in libname and \ "libgcc." not in libname and \ os.path.basename(libname) != "Python" and \ os.path.basename(objfile) not in libname and \ "libswift" not in libname
def otool(objfile, rapths): output = subprocess.check_output( ["otool", "-L", objfile], universal_newlines=True, ) libs = set() for line in output.splitlines(): if not line.startswith("\t"): continue lib = line.split()[0] if is_user_lib(objfile, lib): libs.add(lib)
libs_resolved = set() libs_relative = set() for lib in libs: lib_path = resolve_lib_path(objfile, lib, rapths) libs_resolved.add(lib_path) if lib_path != lib: libs_relative.add(lib)
return libs_resolved, libs_relative
def iter_rpaths(objfile): output = subprocess.check_output( ["otool", "-l", objfile], universal_newlines=True, ) path_re = re.compile(r"^\s*path (.*) \(offset \d*\)$") for line in output.splitlines(): if match := path_re.match(line): yield match.group(1).strip()
def get_rapths(objfile): loader_path = os.path.dirname(objfile) return [ # resolve @loader_path os.path.normpath(rpath.replace("@loader_path", loader_path, 1)) for rpath in iter_rpaths(objfile) ]
def get_rpaths_dev_tools(binary): return [ rpath for rpath in iter_rpaths(binary) if "Xcode" in rpath or "CommandLineTools" in rpath ]
def resolve_lib_path(objfile, lib, rapths): if os.path.exists(lib): return lib
if lib.startswith("@rpath/"): lib = lib[len("@rpath/"):] for rpath in rapths: lib_path = os.path.join(rpath, lib) if os.path.exists(lib_path): return lib_path elif lib.startswith("@loader_path/"): lib = lib[len("@loader_path/"):] lib_path = os.path.normpath(os.path.join(objfile, lib)) if os.path.exists(lib_path): return lib_path
raise Exception("Could not resolve library: " + lib)
def check_vulkan_max_version(version): try: subprocess.check_output( ["pkg-config", "vulkan", f"--max-version={version}"], ) return True except Exception: return False
def get_homebrew_prefix(): # set default to standard ARM path, intel path is already in the vulkan # loader search array result = "/opt/homebrew" try: result = subprocess.check_output( ["brew", "--prefix"], universal_newlines=True, stderr=subprocess.DEVNULL, ).strip() except Exception: pass
return result
def install_name_tool_change(old, new, objfile): subprocess.call( ["install_name_tool", "-change", old, new, objfile], stderr=subprocess.DEVNULL, )
def install_name_tool_id(name, objfile): subprocess.call( ["install_name_tool", "-id", name, objfile], stderr=subprocess.DEVNULL, )
def install_name_tool_add_rpath(rpath, binary): subprocess.call(["install_name_tool", "-add_rpath", rpath, binary])
def install_name_tool_delete_rpath(rpath, binary): subprocess.call(["install_name_tool", "-delete_rpath", rpath, binary])
def libraries(objfile, result=None, result_relative=None, rapths=None): if result is None: result = {}
if result_relative is None: result_relative = set()
if rapths is None: rapths = []
rapths = get_rapths(objfile) + rapths libs_list, libs_relative = otool(objfile, rapths) result[objfile] = libs_list result_relative |= libs_relative
for lib in libs_list: if lib not in result: libraries(lib, result, result_relative, rapths)
return result, result_relative
def lib_path(binary): return os.path.join(os.path.dirname(binary), "lib")
def resources_path(binary): return os.path.join(os.path.dirname(binary), "../Resources")
def lib_name(lib): return os.path.join("@executable_path", "lib", os.path.basename(lib))
def process_libraries(libs_dict, libs_dyn, binary): libs_set = set(libs_dict) # Remove binary from libs_set to prevent a duplicate of the binary being # added to the libs directory. libs_set.remove(binary)
for src in libs_set: name = lib_name(src) dst = os.path.join(lib_path(binary), os.path.basename(src))
shutil.copy(src, dst) os.chmod(dst, 0o755) install_name_tool_id(name, dst)
if src in libs_dict[binary]: install_name_tool_change(src, name, binary)
for p in libs_set: if p in libs_dict[src]: install_name_tool_change(p, lib_name(p), dst)
for lib in libs_dyn: install_name_tool_change(lib, lib_name(lib), dst)
for lib in libs_dyn: install_name_tool_change(lib, lib_name(lib), binary)
def process_swift_libraries(binary): swift_stdlib_tool = subprocess.check_output( ["xcrun", "--find", "swift-stdlib-tool"], universal_newlines=True, ).strip() # from xcode11 on the dynamic swift libs reside in a separate directory from # the std one, might need versioned paths for future swift versions swift_lib_path = os.path.join(swift_stdlib_tool, "../../lib/swift-5.0/macosx") swift_lib_path = os.path.abspath(swift_lib_path)
command = [ swift_stdlib_tool, "--copy", "--platform", "macosx", "--scan-executable", binary, "--destination", lib_path(binary), ]
if os.path.exists(swift_lib_path): command.extend(["--source-libraries", swift_lib_path])
subprocess.check_output(command, universal_newlines=True)
print(">> setting additional rpath for swift libraries") install_name_tool_add_rpath("@executable_path/lib", binary)
def process_vulkan_loader(binary, loader_name, loader_relative_folder, library_node): # https://github.com/KhronosGroup/Vulkan-Loader/blob/main/docs/LoaderDriverInterface.md#example-macos-driver-search-path # https://github.com/KhronosGroup/Vulkan-Loader/blob/main/docs/LoaderLayerInterface.md#macos-layer-discovery loader_system_search_folders = [ os.path.join(os.path.expanduser("~"), ".config", loader_relative_folder), os.path.join("/etc/xdg", loader_relative_folder), os.path.join("/usr/local/etc", loader_relative_folder), os.path.join("/etc", loader_relative_folder), os.path.join(os.path.expanduser("~"), ".local/share", loader_relative_folder), os.path.join("/usr/local/share", loader_relative_folder), os.path.join("/usr/share", loader_relative_folder), os.path.join(get_homebrew_prefix(), "etc", loader_relative_folder), os.path.join(get_homebrew_prefix(), "share", loader_relative_folder), # old location ]
loader_system_folder = "" loader_system_path = "" for loader_system_search_folder in loader_system_search_folders: if os.path.exists(loader_system_search_folder): loader_system_folder = loader_system_search_folder if os.path.exists(os.path.join(loader_system_folder, loader_name)): loader_system_path = os.path.join(loader_system_folder, loader_name) break
if not loader_system_folder: print(">>> could not find loader folder " + loader_relative_folder) return
if not loader_system_path: print(">>> could not find loader " + loader_name) return
loader_bundle_folder = os.path.join(resources_path(binary), loader_relative_folder) loader_bundle_path = os.path.join(loader_bundle_folder, loader_name) library_relative_folder = "../../../Frameworks/"
if not os.path.exists(loader_bundle_folder): os.makedirs(loader_bundle_folder)
loader_system_file = open(loader_system_path) loader_json_data = json.load(loader_system_file) library_path = loader_json_data[library_node]["library_path"] library_system_path = os.path.join(loader_system_folder, library_path)
if not os.path.exists(library_system_path): print(">>> could not find loader library " + library_system_path) return
print(">>> modifying and writing loader json " + loader_name) loader_bundle_file = open(loader_bundle_path, "w") loader_library_name = os.path.basename(library_system_path) library_path = os.path.join(library_relative_folder, loader_library_name) loader_json_data[library_node]["library_path"] = library_path json.dump(loader_json_data, loader_bundle_file, indent=4)
print(">>> copying loader library " + loader_library_name) framework_bundle_folder = os.path.join( loader_bundle_folder, library_relative_folder, ) if not os.path.exists(framework_bundle_folder): os.makedirs(framework_bundle_folder) library_target_path = os.path.join(framework_bundle_folder, loader_library_name) shutil.copy(library_system_path, library_target_path)
def remove_dev_tools_rapths(binary): for path in get_rpaths_dev_tools(binary): install_name_tool_delete_rpath(path, binary)
def process(binary): binary = os.path.abspath(binary) if not os.path.exists(lib_path(binary)): os.makedirs(lib_path(binary)) print(">> gathering all linked libraries") libs, libs_rel = libraries(binary)
print(">> copying and processing all linked libraries") process_libraries(libs, libs_rel, binary)
print(">> removing rpath definitions towards dev tools") remove_dev_tools_rapths(binary)
print(">> copying and processing swift libraries") process_swift_libraries(binary)
print(">> copying and processing vulkan loader") process_vulkan_loader(binary, "MoltenVK_icd.json", "vulkan/icd.d", "ICD") if check_vulkan_max_version("1.3.261.1"): process_vulkan_loader( binary, "VkLayer_khronos_synchronization2.json", "vulkan/explicit_layer.d", "layer", )
if __name__ == "__main__": process(sys.argv[1])