#!/usr/bin/env python """ Configuration program for botan (C) 2009,2010,2011,2012,2013,2014,2015,2016,2017 Jack Lloyd (C) 2015,2016 Simon Warta (Kullo GmbH) Botan is released under the Simplified BSD License (see license.txt) This script is regularly tested with CPython 2.7 and 3.5, and occasionally tested with CPython 2.6 and PyPy 4. Support for CPython 2.6 will be dropped eventually, but is kept up for as long as reasonably convenient. CPython 2.5 and earlier are not supported. On Jython target detection does not work (use --os and --cpu). """ import sys import os import os.path import platform import re import shlex import shutil import string import subprocess import traceback import logging import time import errno import optparse # pylint: disable=deprecated-module # Avoid useless botan_version.pyc (Python 2.6 or higher) if 'dont_write_bytecode' in sys.__dict__: sys.dont_write_bytecode = True import botan_version class ConfigureError(Exception): pass def flatten(l): return sum(l, []) def chunks(l, n): for i in range(0, len(l), n): yield l[i:i+n] def get_vc_revision(): def get_vc_revision_impl(cmdlist): try: cmdname = cmdlist[0] vc = subprocess.Popen(cmdlist, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True) (stdout, stderr) = vc.communicate() if vc.returncode != 0: logging.debug('Error getting rev from %s - %d (%s)' % (cmdname, vc.returncode, stderr)) return None rev = str(stdout).strip() logging.debug('%s reported revision %s' % (cmdname, rev)) return '%s:%s' % (cmdname, rev) except OSError as e: logging.debug('Error getting rev from %s - %s' % (cmdname, e.strerror)) return None vc_command = ['git', 'rev-parse', 'HEAD'] rev = get_vc_revision_impl(vc_command) if rev is not None: return rev else: return 'unknown' class BuildConfigurationInformation(object): """ Version information """ version_major = botan_version.release_major version_minor = botan_version.release_minor version_patch = botan_version.release_patch version_so_rev = botan_version.release_so_abi_rev version_release_type = botan_version.release_type version_datestamp = botan_version.release_datestamp version_vc_rev = botan_version.release_vc_rev version_string = '%d.%d.%d' % (version_major, version_minor, version_patch) # This is used on Darwin for dylib versioning version_packed = version_major * 1000 + version_minor """ Constructor """ def __init__(self, options, modules): if self.version_vc_rev is None: self.version_vc_rev = get_vc_revision() self.build_dir = os.path.join(options.with_build_dir, 'build') self.obj_dir = os.path.join(self.build_dir, 'obj') self.libobj_dir = os.path.join(self.obj_dir, 'lib') self.cliobj_dir = os.path.join(self.obj_dir, 'cli') self.testobj_dir = os.path.join(self.obj_dir, 'test') self.doc_output_dir = os.path.join(self.build_dir, 'docs') self.include_dir = os.path.join(self.build_dir, 'include') self.botan_include_dir = os.path.join(self.include_dir, 'botan') self.internal_include_dir = os.path.join(self.botan_include_dir, 'internal') self.external_include_dir = os.path.join(self.include_dir, 'external') self.modules = modules self.sources = sorted(flatten([mod.sources() for mod in modules])) self.internal_headers = sorted(flatten([m.internal_headers() for m in modules])) self.external_headers = sorted(flatten([m.external_headers() for m in modules])) if options.amalgamation: self.build_sources = ['botan_all.cpp'] else: self.build_sources = self.sources self.public_headers = sorted(flatten([m.public_headers() for m in modules])) self.doc_dir = os.path.join(options.base_dir, 'doc') self.src_dir = os.path.join(options.base_dir, 'src') def find_sources_in(basedir, srcdir): for (dirpath, _, filenames) in os.walk(os.path.join(basedir, srcdir)): for filename in filenames: if filename.endswith('.cpp') and not filename.startswith('.'): yield os.path.join(dirpath, filename) def find_headers_in(basedir, srcdir): for (dirpath, _, filenames) in os.walk(os.path.join(basedir, srcdir)): for filename in filenames: if filename.endswith('.h') and not filename.startswith('.'): yield os.path.join(dirpath, filename) self.cli_sources = list(find_sources_in(self.src_dir, 'cli')) self.cli_headers = list(find_headers_in(self.src_dir, 'cli')) self.test_sources = list(find_sources_in(self.src_dir, 'tests')) self.python_dir = os.path.join(options.src_dir, 'python') def build_doc_commands(): def get_doc_cmd(): if options.with_sphinx: sphinx = 'sphinx-build -c $(SPHINX_CONFIG) $(SPHINX_OPTS) ' if options.quiet: sphinx += '-q ' sphinx += '%s %s' return sphinx else: return '$(COPY) %s' + os.sep + '*.rst %s' doc_cmd = get_doc_cmd() def cmd_for(src): return doc_cmd % (os.path.join(self.doc_dir, src), os.path.join(self.doc_output_dir, src)) yield cmd_for('manual') if options.with_doxygen: yield 'doxygen %s%sbotan.doxy' % (self.build_dir, os.sep) self.build_doc_commands = '\n'.join(['\t' + s for s in build_doc_commands()]) def build_dirs(): yield self.libobj_dir yield self.cliobj_dir yield self.testobj_dir yield self.botan_include_dir yield self.internal_include_dir yield self.external_include_dir yield os.path.join(self.doc_output_dir, 'manual') if options.with_doxygen: yield os.path.join(self.doc_output_dir, 'doxygen') self.build_dirs = list(build_dirs()) def src_info(self, typ): if typ == 'lib': return (self.build_sources, self.libobj_dir) elif typ == 'cli': return (self.cli_sources, self.cliobj_dir) elif typ == 'test': return (self.test_sources, self.testobj_dir) def pkg_config_file(self): return 'botan-%d.pc' % (self.version_major) def process_command_line(args): """ Handle command line options """ parser = optparse.OptionParser( formatter=optparse.IndentedHelpFormatter(max_help_position=50), version=BuildConfigurationInformation.version_string) parser.add_option('--verbose', action='store_true', default=False, help='Show debug messages') parser.add_option('--quiet', action='store_true', default=False, help='Show only warnings and errors') target_group = optparse.OptionGroup(parser, 'Target options') target_group.add_option('--cpu', help='set the target CPU type/model') target_group.add_option('--os', help='set the target operating system') target_group.add_option('--cc', dest='compiler', help='set the desired build compiler') target_group.add_option('--cc-bin', dest='compiler_binary', metavar='BINARY', help='set path to compiler binary') target_group.add_option('--cc-abi-flags', metavar='FLAG', help='set compiler ABI flags', default='') target_group.add_option('--chost', help=optparse.SUPPRESS_HELP) target_group.add_option('--with-endian', metavar='ORDER', default=None, help='override byte order guess') target_group.add_option('--with-unaligned-mem', dest='unaligned_mem', action='store_true', default=None, help='use unaligned memory accesses') target_group.add_option('--without-unaligned-mem', dest='unaligned_mem', action='store_false', help=optparse.SUPPRESS_HELP) target_group.add_option('--with-os-features', action='append', metavar='FEAT', help='specify OS features to use') target_group.add_option('--without-os-features', action='append', metavar='FEAT', help='specify OS features to disable') for isa_extn_name in ['SSE2', 'SSSE3', 'AVX2', 'AES-NI', 'AltiVec']: isa_extn = isa_extn_name.lower() target_group.add_option('--disable-%s' % (isa_extn), help='disable %s intrinsics' % (isa_extn_name), action='append_const', const=isa_extn.replace('-', ''), dest='disable_intrinsics') build_group = optparse.OptionGroup(parser, 'Build options') build_group.add_option('--with-debug-info', action='store_true', default=False, dest='with_debug_info', help='include debug symbols') build_group.add_option('--with-sanitizers', action='store_true', default=False, dest='with_sanitizers', help='enable ASan/UBSan checks') build_group.add_option('--with-coverage', action='store_true', default=False, dest='with_coverage', help='add coverage info and disable opts') build_group.add_option('--with-coverage-info', action='store_true', default=False, dest='with_coverage_info', help='add coverage info') build_group.add_option('--enable-shared-library', dest='build_shared_lib', action='store_true', default=True, help=optparse.SUPPRESS_HELP) build_group.add_option('--disable-shared', dest='build_shared_lib', action='store_false', help='disable building shared library') build_group.add_option('--optimize-for-size', dest='optimize_for_size', action='store_true', default=False, help='optimize for code size') build_group.add_option('--no-optimizations', dest='no_optimizations', action='store_true', default=False, help='disable all optimizations (for debugging)') build_group.add_option('--debug-mode', action='store_true', default=False, dest='debug_mode', help='enable debug info and disable optimizations') build_group.add_option('--gen-amalgamation', dest='gen_amalgamation', default=False, action='store_true', help='generate amalgamation files and build without amalgamation (removed)') build_group.add_option('--via-amalgamation', dest='via_amalgamation', default=False, action='store_true', help='build via amalgamation (deprecated, use --amalgamation)') build_group.add_option('--amalgamation', dest='amalgamation', default=False, action='store_true', help='generate amalgamation files and build via amalgamation') build_group.add_option('--single-amalgamation-file', default=False, action='store_true', help='build single file instead of splitting on ABI') build_group.add_option('--with-build-dir', metavar='DIR', default='', help='setup the build in DIR') build_group.add_option('--with-external-includedir', metavar='DIR', default='', help='use DIR for external includes') build_group.add_option('--with-openmp', default=False, action='store_true', help='enable use of OpenMP') build_group.add_option('--with-cilkplus', default=False, action='store_true', help='enable use of Cilk Plus') link_methods = ['symlink', 'hardlink', 'copy'] build_group.add_option('--link-method', default=None, metavar='METHOD', choices=link_methods, help='choose how links to include headers are created (%s)' % ', '.join(link_methods)) makefile_styles = ['gmake', 'nmake'] build_group.add_option('--makefile-style', metavar='STYLE', default=None, choices=makefile_styles, help='makefile type (%s)' % ' or '.join(makefile_styles)) build_group.add_option('--with-local-config', dest='local_config', metavar='FILE', help='include the contents of FILE into build.h') build_group.add_option('--distribution-info', metavar='STRING', help='distribution specific version', default='unspecified') build_group.add_option('--with-sphinx', action='store_true', default=None, help='Use Sphinx') build_group.add_option('--without-sphinx', action='store_false', dest='with_sphinx', help=optparse.SUPPRESS_HELP) build_group.add_option('--with-visibility', action='store_true', default=None, help=optparse.SUPPRESS_HELP) build_group.add_option('--without-visibility', action='store_false', dest='with_visibility', help=optparse.SUPPRESS_HELP) build_group.add_option('--with-doxygen', action='store_true', default=False, help='Use Doxygen') build_group.add_option('--without-doxygen', action='store_false', dest='with_doxygen', help=optparse.SUPPRESS_HELP) build_group.add_option('--maintainer-mode', dest='maintainer_mode', action='store_true', default=False, help="Enable extra warnings") build_group.add_option('--dirty-tree', dest='clean_build_tree', action='store_false', default=True, help=optparse.SUPPRESS_HELP) build_group.add_option('--with-python-versions', dest='python_version', metavar='N.M', default='%d.%d' % (sys.version_info[0], sys.version_info[1]), help='where to install botan2.py (def %default)') build_group.add_option('--with-valgrind', help='use valgrind API', dest='with_valgrind', action='store_true', default=False) build_group.add_option('--with-bakefile', action='store_true', default=False, help='Generate bakefile which can be used to create Visual Studio or Xcode project files') build_group.add_option('--unsafe-fuzzer-mode', action='store_true', default=False, help='disable essential checks for testing') mods_group = optparse.OptionGroup(parser, 'Module selection') mods_group.add_option('--module-policy', dest='module_policy', help="module policy file (see src/build-data/policy)", metavar='POL', default=None) mods_group.add_option('--enable-modules', dest='enabled_modules', metavar='MODS', action='append', help='enable specific modules') mods_group.add_option('--disable-modules', dest='disabled_modules', metavar='MODS', action='append', help='disable specific modules') mods_group.add_option('--list-modules', dest='list_modules', action='store_true', help='list available modules') mods_group.add_option('--no-autoload', action='store_true', default=False, help=optparse.SUPPRESS_HELP) mods_group.add_option('--minimized-build', action='store_true', dest='no_autoload', help='minimize build') # Should be derived from info.txt but this runs too early third_party = ['boost', 'bzip2', 'lzma', 'openssl', 'sqlite3', 'zlib', 'tpm'] for mod in third_party: mods_group.add_option('--with-%s' % (mod), help=('use %s' % (mod)) if mod in third_party else optparse.SUPPRESS_HELP, action='append_const', const=mod, dest='enabled_modules') mods_group.add_option('--without-%s' % (mod), help=optparse.SUPPRESS_HELP, action='append_const', const=mod, dest='disabled_modules') mods_group.add_option('--with-everything', help=optparse.SUPPRESS_HELP, action='store_true', default=False) install_group = optparse.OptionGroup(parser, 'Installation options') install_group.add_option('--program-suffix', metavar='SUFFIX', help='append string to program names') install_group.add_option('--prefix', metavar='DIR', help='set the install prefix') install_group.add_option('--destdir', metavar='DIR', help='set the install directory') install_group.add_option('--docdir', metavar='DIR', help='set the doc install dir') install_group.add_option('--bindir', metavar='DIR', help='set the binary install dir') install_group.add_option('--libdir', metavar='DIR', help='set the library install dir') install_group.add_option('--includedir', metavar='DIR', help='set the include file install dir') misc_group = optparse.OptionGroup(parser, 'Miscellaneous options') misc_group.add_option('--house-curve', metavar='STRING', dest='house_curve', help='a custom in-house curve of the format: curve.pem,NAME,OID,CURVEID') parser.add_option_group(target_group) parser.add_option_group(build_group) parser.add_option_group(mods_group) parser.add_option_group(install_group) parser.add_option_group(misc_group) # These exist only for autoconf compatibility (requested by zw for mtn) compat_with_autoconf_options = [ 'datadir', 'datarootdir', 'dvidir', 'exec-prefix', 'htmldir', 'infodir', 'libexecdir', 'localedir', 'localstatedir', 'mandir', 'oldincludedir', 'pdfdir', 'psdir', 'sbindir', 'sharedstatedir', 'sysconfdir' ] for opt in compat_with_autoconf_options: parser.add_option('--' + opt, help=optparse.SUPPRESS_HELP) (options, args) = parser.parse_args(args) if args != []: raise ConfigureError('Unhandled option(s): ' + ' '.join(args)) if options.with_endian != None and \ options.with_endian not in ['little', 'big']: raise ConfigureError('Bad value to --with-endian "%s"' % ( options.with_endian)) if options.debug_mode: options.no_optimizations = True options.with_debug_info = True if options.with_coverage: options.with_coverage_info = True options.no_optimizations = True def parse_multiple_enable(modules): if modules is None: return [] return sorted(set(flatten([s.split(',') for s in modules]))) options.enabled_modules = parse_multiple_enable(options.enabled_modules) options.disabled_modules = parse_multiple_enable(options.disabled_modules) options.with_os_features = parse_multiple_enable(options.with_os_features) options.without_os_features = parse_multiple_enable(options.without_os_features) options.disable_intrinsics = parse_multiple_enable(options.disable_intrinsics) return options def lex_me_harder(infofile, to_obj, allowed_groups, name_val_pairs): """ Generic lexer function for info.txt and src/build-data files """ to_obj.infofile = infofile # Format as a nameable Python variable def py_var(group): return group.replace(':', '_') class LexerError(ConfigureError): def __init__(self, msg, line): super(LexerError, self).__init__(msg) self.msg = msg self.line = line def __str__(self): return '%s at %s:%d' % (self.msg, infofile, self.line) (dirname, basename) = os.path.split(infofile) to_obj.lives_in = dirname if basename == 'info.txt': (obj_dir, to_obj.basename) = os.path.split(dirname) if os.access(os.path.join(obj_dir, 'info.txt'), os.R_OK): to_obj.parent_module = os.path.basename(obj_dir) else: to_obj.parent_module = None else: to_obj.basename = basename.replace('.txt', '') lexer = shlex.shlex(open(infofile), infofile, posix=True) lexer.wordchars += '|:.<>/,-!+' # handle various funky chars in info.txt for group in allowed_groups: to_obj.__dict__[py_var(group)] = [] for (key, val) in name_val_pairs.items(): to_obj.__dict__[key] = val def lexed_tokens(): # Convert to an interator token = lexer.get_token() while token != None: yield token token = lexer.get_token() for token in lexed_tokens(): match = re.match('<(.*)>', token) # Check for a grouping if match is not None: group = match.group(1) if group not in allowed_groups: raise LexerError('Unknown group "%s"' % (group), lexer.lineno) end_marker = '' token = lexer.get_token() while token != end_marker: to_obj.__dict__[py_var(group)].append(token) token = lexer.get_token() if token is None: raise LexerError('Group "%s" not terminated' % (group), lexer.lineno) elif token in name_val_pairs.keys(): if isinstance(to_obj.__dict__[token], list): to_obj.__dict__[token].append(lexer.get_token()) # Dirty hack if token == 'define': nxt = lexer.get_token() if not nxt: raise LexerError('No version set for API', lexer.lineno) if not re.match('^[0-9]{8}$', nxt): raise LexerError('Bad API rev "%s"' % (nxt), lexer.lineno) to_obj.__dict__[token].append(nxt) else: to_obj.__dict__[token] = lexer.get_token() else: # No match -> error raise LexerError('Bad token "%s"' % (token), lexer.lineno) def force_to_dict(l): """ Convert a lex'ed map (from build-data files) from a list to a dict TODO: Add error checking of input... """ return dict(zip(l[::3], l[2::3])) class ModuleInfo(object): """ Represents the information about a particular module """ def __init__(self, infofile): lex_me_harder(infofile, self, ['header:internal', 'header:public', 'header:external', 'requires', 'os', 'arch', 'cc', 'libs', 'frameworks', 'comment', 'warning'], {'load_on': 'auto', 'define': [], 'need_isa': ''}) all_source_files = [] all_header_files = [] for fspath in os.listdir(self.lives_in): if fspath.endswith('.cpp'): all_source_files.append(fspath) elif fspath.endswith('.h'): all_header_files.append(fspath) self.source = all_source_files if self.need_isa == '': self.need_isa = [] else: self.need_isa = self.need_isa.split(',') # If not entry for the headers, all are assumed public if self.header_internal == [] and self.header_public == []: self.header_public = list(all_header_files) else: pub_header = set(self.header_public) int_header = set(self.header_internal) if not pub_header.isdisjoint(int_header): logging.error("Module %s header contains same header in public and internal sections" % (infofile)) # Coerce to more useful types def convert_lib_list(l): if len(l) % 3 != 0: raise ConfigureError("Bad in module %s" % (self.basename)) result = {} for sep in l[1::3]: if sep != '->': raise ConfigureError("Bad in module %s" % (self.basename)) for (targetlist, vallist) in zip(l[::3], l[2::3]): vals = vallist.split(',') for target in targetlist.split(','): result[target] = result.setdefault(target, []) + vals return result self.libs = convert_lib_list(self.libs) self.frameworks = convert_lib_list(self.frameworks) def add_dir_name(filename): if filename.count(':') == 0: return os.path.join(self.lives_in, filename) # modules can request to add files of the form # MODULE_NAME:FILE_NAME to add a file from another module # For these, assume other module is always in a # neighboring directory; this is true for all current uses return os.path.join(os.path.split(self.lives_in)[0], *filename.split(':')) self.source = [add_dir_name(s) for s in self.source] self.header_internal = [add_dir_name(s) for s in self.header_internal] self.header_public = [add_dir_name(s) for s in self.header_public] self.header_external = [add_dir_name(s) for s in self.header_external] for src in self.source + self.header_internal + self.header_public + self.header_external: if not os.access(src, os.R_OK): logging.error("Missing file %s in %s" % (src, infofile)) if self.comment != []: self.comment = ' '.join(self.comment) else: self.comment = None if self.warning != []: self.warning = ' '.join(self.warning) else: self.warning = None def intersect_check(type_a, list_a, type_b, list_b): intersection = set.intersection(set(list_a), set(list_b)) if len(intersection) > 0: logging.error('Headers %s marked both %s and %s' % (' '.join(intersection), type_a, type_b)) intersect_check('public', self.header_public, 'internal', self.header_internal) intersect_check('public', self.header_public, 'external', self.header_external) intersect_check('external', self.header_external, 'internal', self.header_internal) def cross_check(self, arch_info, os_info, cc_info): for supp_os in self.os: if supp_os not in os_info: raise ConfigureError('Module %s mentions unknown OS %s' % (self.infofile, supp_os)) for supp_cc in self.cc: if supp_cc not in cc_info: raise ConfigureError('Module %s mentions unknown compiler %s' % (self.infofile, supp_cc)) for supp_arch in self.arch: if supp_arch not in arch_info: raise ConfigureError('Module %s mentions unknown arch %s' % (self.infofile, supp_arch)) def sources(self): return self.source def public_headers(self): return self.header_public def internal_headers(self): return self.header_internal def external_headers(self): return self.header_external def defines(self): return ['HAS_' + d[0] + ' ' + d[1] for d in chunks(self.define, 2)] def compatible_cpu(self, archinfo, options): arch_name = archinfo.basename cpu_name = options.cpu for isa in self.need_isa: if isa in options.disable_intrinsics: return False # explicitly disabled if isa not in archinfo.isa_extensions: return False if self.arch != []: if arch_name not in self.arch and cpu_name not in self.arch: return False return True def compatible_os(self, os_name): return self.os == [] or os_name in self.os def compatible_compiler(self, cc, arch): if self.cc != [] and cc.basename not in self.cc: return False for isa in self.need_isa: if cc.isa_flags_for(isa, arch) is None: return False return True def dependencies(self): # base is an implicit dep for all submodules deps = self.requires + ['base'] if self.parent_module != None: deps.append(self.parent_module) return deps def dependencies_exist(self, modules): """ Ensure that all dependencies of this module actually exist, warning about any that do not """ all_deps = [s.split('|') for s in self.dependencies()] for missing in [s for s in flatten(all_deps) if s not in modules]: logging.error("Module '%s', dep of '%s', does not exist" % ( missing, self.basename)) def __cmp__(self, other): if self.basename < other.basename: return -1 if self.basename == other.basename: return 0 return 1 class ModulePolicyInfo(object): def __init__(self, infofile): lex_me_harder(infofile, self, ['required', 'if_available', 'prohibited'], {}) def cross_check(self, modules): def check(tp, lst): for mod in lst: if mod not in modules: logging.error("Module policy %s includes non-existent module %s in <%s>" % ( self.infofile, mod, tp)) check('required', self.required) check('if_available', self.if_available) check('prohibited', self.prohibited) class ArchInfo(object): def __init__(self, infofile): lex_me_harder(infofile, self, ['aliases', 'submodels', 'submodel_aliases', 'isa_extensions'], {'endian': None, 'family': None, 'unaligned': 'no', 'wordsize': 32 }) self.submodel_aliases = force_to_dict(self.submodel_aliases) self.unaligned_ok = (1 if self.unaligned == 'ok' else 0) self.wordsize = int(self.wordsize) def all_submodels(self): """ Return a list of all submodels for this arch, ordered longest to shortest """ return sorted([(k, k) for k in self.submodels] + [k for k in self.submodel_aliases.items()], key=lambda k: len(k[0]), reverse=True) def defines(self, cc, options): """ Return CPU-specific defines for build.h """ def form_macro(cpu_name): return cpu_name.upper().replace('.', '').replace('-', '_') macros = [] macros.append('TARGET_ARCH_IS_%s' % (form_macro(self.basename.upper()))) if self.basename != options.cpu: macros.append('TARGET_CPU_IS_%s' % (form_macro(options.cpu))) enabled_isas = set(self.isa_extensions) disabled_isas = set(options.disable_intrinsics) isa_extensions = sorted(enabled_isas - disabled_isas) for isa in isa_extensions: if cc.isa_flags_for(isa, self.basename) is not None: macros.append('TARGET_SUPPORTS_%s' % (form_macro(isa))) else: logging.warning("Disabling support for %s intrinsics due to missing flag for compiler" % (isa)) endian = options.with_endian or self.endian if endian != None: macros.append('TARGET_CPU_IS_%s_ENDIAN' % (endian.upper())) logging.info('Assuming CPU is %s endian' % (endian)) unaligned_ok = options.unaligned_mem if unaligned_ok is None: unaligned_ok = self.unaligned_ok if unaligned_ok: logging.info('Assuming unaligned memory access works') if self.family is not None: macros.append('TARGET_CPU_IS_%s_FAMILY' % (self.family.upper())) macros.append('TARGET_CPU_NATIVE_WORD_SIZE %d' % (self.wordsize)) if self.wordsize == 64: macros.append('TARGET_CPU_HAS_NATIVE_64BIT') macros.append('TARGET_UNALIGNED_MEMORY_ACCESS_OK %d' % (unaligned_ok)) if options.with_valgrind: macros.append('HAS_VALGRIND') if options.with_openmp: macros.append('TARGET_HAS_OPENMP') if options.with_cilkplus: macros.append('TARGET_HAS_CILKPLUS') return macros class CompilerInfo(object): def __init__(self, infofile): lex_me_harder(infofile, self, ['so_link_commands', 'binary_link_commands', 'mach_opt', 'mach_abi_linking', 'isa_flags'], {'binary_name': None, 'linker_name': None, 'macro_name': None, 'output_to_option': '-o ', 'add_include_dir_option': '-I', 'add_lib_dir_option': '-L', 'add_lib_option': '-l', 'add_framework_option': '-framework ', 'compile_flags': '', 'debug_info_flags': '', 'optimization_flags': '', 'size_optimization_flags': '', 'coverage_flags': '', 'sanitizer_flags': '', 'shared_flags': '', 'lang_flags': '', 'warning_flags': '', 'maintainer_warning_flags': '', 'visibility_build_flags': '', 'visibility_attribute': '', 'ar_command': None, 'makefile_style': '' }) self.so_link_commands = force_to_dict(self.so_link_commands) self.binary_link_commands = force_to_dict(self.binary_link_commands) self.mach_abi_linking = force_to_dict(self.mach_abi_linking) self.isa_flags = force_to_dict(self.isa_flags) self.mach_opt_flags = {} while self.mach_opt != []: proc = self.mach_opt.pop(0) if self.mach_opt.pop(0) != '->': raise ConfigureError('Parsing err in %s mach_opt' % (self.basename)) flags = self.mach_opt.pop(0) regex = '' if len(self.mach_opt) > 0 and \ (len(self.mach_opt) == 1 or self.mach_opt[1] != '->'): regex = self.mach_opt.pop(0) self.mach_opt_flags[proc] = (flags, regex) del self.mach_opt def isa_flags_for(self, isa, arch): if isa in self.isa_flags: return self.isa_flags[isa] arch_isa = '%s:%s' % (arch, isa) if arch_isa in self.isa_flags: return self.isa_flags[arch_isa] return None def gen_shared_flags(self, options): """ Return the shared library build flags, if any """ def flag_builder(): if options.build_shared_lib: yield self.shared_flags if options.with_visibility: yield self.visibility_build_flags return ' '.join(list(flag_builder())) def gen_visibility_attribute(self, options): if options.build_shared_lib and options.with_visibility: return self.visibility_attribute return '' def mach_abi_link_flags(self, options): """ Return the machine specific ABI flags """ def all(): if options.with_debug_info and 'all-debug' in self.mach_abi_linking: return 'all-debug' return 'all' abi_link = list() for what in [all(), options.os, options.arch, options.cpu]: flag = self.mach_abi_linking.get(what) if flag != None and flag != '' and flag not in abi_link: abi_link.append(flag) if options.with_coverage_info: if self.coverage_flags == '': raise ConfigureError('No coverage handling for %s' % (self.basename)) abi_link.append(self.coverage_flags) if options.with_sanitizers: if self.sanitizer_flags == '': raise ConfigureError('No sanitizer handling for %s' % (self.basename)) abi_link.append(self.sanitizer_flags) if options.with_openmp: if 'openmp' not in self.mach_abi_linking: raise ConfigureError('No support for OpenMP for %s' % (self.basename)) abi_link.append(self.mach_abi_linking['openmp']) if options.with_cilkplus: if 'cilkplus' not in self.mach_abi_linking: raise ConfigureError('No support for Cilk Plus for %s' % (self.basename)) abi_link.append(self.mach_abi_linking['cilkplus']) abi_flags = ' '.join(sorted(abi_link)) if options.cc_abi_flags != '': abi_flags += ' ' + options.cc_abi_flags if abi_flags != '': return ' ' + abi_flags return '' def cc_warning_flags(self, options): def gen_flags(): yield self.warning_flags if options.maintainer_mode: yield self.maintainer_warning_flags return (' '.join(gen_flags())).strip() def cc_compile_flags(self, options): def gen_flags(): yield self.lang_flags if options.with_debug_info: yield self.debug_info_flags if not options.no_optimizations: if options.optimize_for_size: if self.size_optimization_flags != '': yield self.size_optimization_flags else: logging.warning("No size optimization flags set for current compiler") yield self.optimization_flags else: yield self.optimization_flags def submodel_fixup(flags, tup): return tup[0].replace('SUBMODEL', flags.replace(tup[1], '')) if options.cpu != options.arch: if options.cpu in self.mach_opt_flags: yield submodel_fixup(options.cpu, self.mach_opt_flags[options.cpu]) elif options.arch in self.mach_opt_flags: yield submodel_fixup(options.cpu, self.mach_opt_flags[options.arch]) all_arch = 'all_%s' % (options.arch) if all_arch in self.mach_opt_flags: yield self.mach_opt_flags[all_arch][0] return (' '.join(gen_flags())).strip() def _so_link_search(self, osname, debug_info): if debug_info: return [osname + '-debug', 'default-debug'] else: return [osname, 'default'] def so_link_command_for(self, osname, options): """ Return the command needed to link a shared object """ for s in self._so_link_search(osname, options.with_debug_info): if s in self.so_link_commands: return self.so_link_commands[s] raise ConfigureError( "No shared library link command found for target '%s' in compiler settings '%s'" % (osname, self.infofile)) def binary_link_command_for(self, osname, options): """ Return the command needed to link an app/test object """ for s in self._so_link_search(osname, options.with_debug_info): if s in self.binary_link_commands: return self.binary_link_commands[s] return '$(LINKER)' def defines(self): """ Return defines for build.h """ return ['BUILD_COMPILER_IS_' + self.macro_name] class OsInfo(object): def __init__(self, infofile): lex_me_harder(infofile, self, ['aliases', 'target_features'], {'os_type': None, 'program_suffix': '', 'obj_suffix': 'o', 'soname_suffix': '', 'soname_pattern_patch': '', 'soname_pattern_abi': '', 'soname_pattern_base': '', 'static_suffix': 'a', 'ar_command': 'ar crs', 'ar_needs_ranlib': False, 'install_root': '/usr/local', 'header_dir': 'include', 'bin_dir': 'bin', 'lib_dir': 'lib', 'doc_dir': 'share/doc', 'building_shared_supported': 'yes', 'install_cmd_data': 'install -m 644', 'install_cmd_exec': 'install -m 755' }) if self.soname_pattern_base != '': if self.soname_pattern_patch == '' and self.soname_pattern_abi == '': self.soname_pattern_patch = self.soname_pattern_base self.soname_pattern_patch_abi = self.soname_pattern_base elif self.soname_pattern_abi != '' and self.soname_pattern_abi != '': pass # all 3 values set, nothing needs to happen here else: # base set, only one of patch/abi set raise ConfigureError("Invalid soname_patterns in %s" % (self.infofile)) if self.soname_pattern_base == '' and self.soname_suffix != '': self.soname_pattern_base = "libbotan-{version_major}.%s" % (self.soname_suffix) self.soname_pattern_abi = self.soname_pattern_base + ".{abi_rev}" self.soname_pattern_patch = self.soname_pattern_abi + ".{version_minor}.{version_patch}" self.ar_needs_ranlib = bool(self.ar_needs_ranlib) self.building_shared_supported = (True if self.building_shared_supported == 'yes' else False) def ranlib_command(self): return 'ranlib' if self.ar_needs_ranlib else 'true' def defines(self, options): r = [] r += ['TARGET_OS_IS_%s' % (self.basename.upper())] if self.os_type != None: r += ['TARGET_OS_TYPE_IS_%s' % (self.os_type.upper())] def feat_macros(): for feat in self.target_features: if feat not in options.without_os_features: yield 'TARGET_OS_HAS_' + feat.upper() for feat in options.with_os_features: if feat not in self.target_features: yield 'TARGET_OS_HAS_' + feat.upper() r += sorted(feat_macros()) return r def fixup_proc_name(proc): proc = proc.lower().replace(' ', '') for junk in ['(tm)', '(r)']: proc = proc.replace(junk, '') return proc def canon_processor(archinfo, proc): proc = fixup_proc_name(proc) # First, try to search for an exact match for ainfo in archinfo.values(): if ainfo.basename == proc or proc in ainfo.aliases: return (ainfo.basename, ainfo.basename) for (match, submodel) in ainfo.all_submodels(): if proc == submodel or proc == match: return (ainfo.basename, submodel) logging.debug('Could not find an exact match for CPU "%s"' % (proc)) # Now, try searching via regex match for ainfo in archinfo.values(): for (match, submodel) in ainfo.all_submodels(): if re.search(match, proc) != None: logging.debug('Possible match "%s" with "%s" (%s)' % ( proc, match, submodel)) return (ainfo.basename, submodel) return None def system_cpu_info(): cpu_info = [] if platform.machine() != '': cpu_info.append(platform.machine()) if platform.processor() != '': cpu_info.append(platform.processor()) try: with open('/proc/cpuinfo') as f: for line in f.readlines(): colon = line.find(':') if colon > 1: key = line[0:colon].strip() val = ' '.join([s.strip() for s in line[colon+1:].split(' ') if s != '']) # Different Linux arch use different names for this field in cpuinfo if key in ["model name", "cpu model", "Processor"]: logging.info('Detected CPU model "%s" in /proc/cpuinfo' % (val)) cpu_info.append(val) break except IOError: pass return cpu_info def guess_processor(archinfo): cpu_info = system_cpu_info() for input in cpu_info: if input != '': match = canon_processor(archinfo, input) if match != None: logging.debug("Matched '%s' to processor '%s'" % (input, match)) return match else: logging.debug("Failed to deduce CPU from '%s'" % (input)) raise ConfigureError('Could not determine target CPU; set with --cpu') def slurp_file(filename): """ Read a whole file into memory as a string """ # type: (object) -> object if filename is None: return '' return ''.join(open(filename).readlines()) def process_template(template_file, variables): """ Perform template substitution """ class PercentSignTemplate(string.Template): delimiter = '%' try: template = PercentSignTemplate(slurp_file(template_file)) return template.substitute(variables) except KeyError as e: raise ConfigureError('Unbound var %s in template %s' % (e, template_file)) except Exception as e: raise ConfigureError('Exception %s in template %s' % (e, template_file)) def makefile_list(items): items = list(items) # force evaluation so we can slice it return (' '*16).join([item + ' \\\n' for item in items[:-1]] + [items[-1]]) def gen_bakefile(build_config, options): def bakefile_sources(file, sources): for src in sources: (dir, filename) = os.path.split(os.path.normpath(src)) dir = dir.replace('\\', '/') _, dir = dir.split('src/', 1) file.write('\tsources { src/%s/%s } \n' % (dir, filename)) def bakefile_cli_headers(file, headers): for header in headers: (dir, filename) = os.path.split(os.path.normpath(header)) dir = dir.replace('\\', '/') _, dir = dir.split('src/', 1) file.write('\theaders { src/%s/%s } \n' % (dir, filename)) def bakefile_test_sources(file, sources): for src in sources: (_, filename) = os.path.split(os.path.normpath(src)) file.write('\tsources { src/tests/%s } \n' %filename) f = open('botan.bkl', 'w') f.write('toolsets = vs2013;\n') # shared library project f.write('shared-library botan {\n') f.write('\tdefines = "BOTAN_DLL=__declspec(dllexport)";\n') bakefile_sources(f, build_config.sources) f.write('}\n') # cli project f.write('program cli {\n') f.write('\tdeps = botan;\n') bakefile_sources(f, build_config.cli_sources) bakefile_cli_headers(f, build_config.cli_headers) f.write('}\n') # tests project f.write('program tests {\n') f.write('\tdeps = botan;\n') bakefile_test_sources(f, build_config.test_sources) f.write('}\n') # global options f.write('includedirs += build/include/;\n') if options.with_external_includedir: external_inc_dir = options.with_external_includedir.replace('\\', '/') # Attention: bakefile supports only relative paths f.write('includedirs += "%s";\n' %external_inc_dir) if build_config.external_headers: f.write('includedirs += build/include/external;\n') if options.cpu in "x86_64": f.write('archs = x86_64;\n') else: f.write('archs = x86;\n') # vs2013 options f.write('vs2013.option.ClCompile.DisableSpecificWarnings = "4250;4251;4275";\n') f.write('vs2013.option.ClCompile.WarningLevel = Level4;\n') f.write('vs2013.option.ClCompile.ExceptionHandling = SyncCThrow;\n') f.write('vs2013.option.ClCompile.RuntimeTypeInfo = true;\n') f.write('if ( $(config) == Release ) {\n') f.write('vs2013.option.Configuration.WholeProgramOptimization = true;\n') f.write('}\n') f.close() def gen_makefile_lists(var, build_config, options, modules, cc, arch, osinfo): def get_isa_specific_flags(cc, isas): flags = [] for isa in isas: flag = cc.isa_flags_for(isa, arch.basename) if flag is None: raise ConfigureError('Compiler %s does not support %s' % (cc.basename, isa)) flags.append(flag) return '' if len(flags) == 0 else (' ' + ' '.join(sorted(list(flags)))) def isa_specific_flags(cc, src): def simd_dependencies(): for simd32_impl in ['sse2', 'altivec']: if simd32_impl in arch.isa_extensions and cc.isa_flags_for(simd32_impl, arch.basename) is not None: return [simd32_impl] # default scalar return [] for mod in modules: if src in mod.sources(): isas = mod.need_isa if 'simd' in mod.dependencies(): isas += list(simd_dependencies()) return get_isa_specific_flags(cc, isas) if src.startswith('botan_all_'): isa = src.replace('botan_all_', '').replace('.cpp', '').split('_') return get_isa_specific_flags(cc, isa) return '' def objectfile_list(sources, obj_dir): for src in sources: (dir, file) = os.path.split(os.path.normpath(src)) parts = dir.split(os.sep) if 'src' in parts: parts = parts[parts.index('src')+2:] elif 'tests' in parts: parts = parts[parts.index('tests')+2:] elif 'cli' in parts: parts = parts[parts.index('cli'):] elif file.find('botan_all') != -1: parts = [] else: raise ConfigureError("Unexpected file '%s/%s'" % (dir, file)) if parts != []: # Handle src/X/X.cpp -> X.o if file == parts[-1] + '.cpp': name = '_'.join(parts) + '.cpp' else: name = '_'.join(parts) + '_' + file def fixup_obj_name(name): def remove_dups(parts): last = None for part in parts: if last is None or part != last: last = part yield part return '_'.join(remove_dups(name.split('_'))) name = fixup_obj_name(name) else: name = file for src_suffix in ['.cpp', '.S']: name = name.replace(src_suffix, '.' + osinfo.obj_suffix) yield os.path.join(obj_dir, name) def build_commands(sources, obj_dir, flags): """ Form snippets of makefile for building each source file """ includes = cc.add_include_dir_option + build_config.include_dir includes += (' ' + cc.add_include_dir_option + build_config.external_include_dir) if build_config.external_headers else '' includes += (' ' + cc.add_include_dir_option + options.with_external_includedir) if options.with_external_includedir else '' for (obj_file, src) in zip(objectfile_list(sources, obj_dir), sources): yield '%s: %s\n\t$(CXX)%s $(%s_FLAGS) %s %s %s %s$@\n' % ( obj_file, src, isa_specific_flags(cc, src), flags, includes, cc.compile_flags, src, cc.output_to_option) for t in ['lib', 'cli', 'test']: obj_key = '%s_objs' % (t) src_list, src_dir = build_config.src_info(t) src_list.sort() var[obj_key] = makefile_list(objectfile_list(src_list, src_dir)) build_key = '%s_build_cmds' % (t) var[build_key] = '\n'.join(build_commands(src_list, src_dir, t.upper())) def create_template_vars(build_config, options, modules, cc, arch, osinfo): """ Create the template variables needed to process the makefile, build.h, etc """ def make_cpp_macros(macros): return '\n'.join(['#define BOTAN_' + macro for macro in macros]) def link_to(): """ Figure out what external libraries are needed based on selected modules """ return do_link_to('libs') def link_to_frameworks(): """ Figure out what external frameworks are needed based on selected modules """ return do_link_to('frameworks') def do_link_to(module_member_name): libs = set() for module in modules: for (osname, link_to) in getattr(module, module_member_name).items(): if osname == 'all' or osname == osinfo.basename: libs |= set(link_to) else: match = re.match('^all!(.*)', osname) if match is not None: exceptions = match.group(1).split(',') if osinfo.basename not in exceptions: libs |= set(link_to) return sorted(libs) def choose_mp_bits(): mp_bits = arch.wordsize # allow command line override? logging.debug('Using MP bits %d' % (mp_bits)) return mp_bits def prefix_with_build_dir(path): if options.with_build_dir != None: return os.path.join(options.with_build_dir, path) return path def innosetup_arch(os_name, arch): if os_name == 'windows': inno_arch = {'x86_32': '', 'x86_64': 'x64', 'ia64': 'ia64'} if arch in inno_arch: return inno_arch[arch] else: logging.warning('Unknown arch in innosetup_arch %s' % (arch)) return None def read_pem(filename): lines = [line.rstrip() for line in open(filename)] for ndx, _ in enumerate(lines): lines[ndx] = ''.join(('\"', lines[ndx], '\" \\', '\n')) return ''.join(lines) def misc_config(): opts = list() if options.house_curve: p = options.house_curve.split(",") if len(p) < 4: logging.error('Too few parameters to --in-house-curve') # make sure TLS curve id is in reserved for private use range (0xFE00..0xFEFF) curve_id = int(p[3], 16) if curve_id < 0xfe00 or curve_id > 0xfeff: logging.error('TLS curve ID not in reserved range (see RFC 4492)') opts.append('HOUSE_ECC_CURVE_NAME \"' + p[1] + '\"') opts.append('HOUSE_ECC_CURVE_OID \"' + p[2] + '\"') opts.append('HOUSE_ECC_CURVE_PEM ' + read_pem(filename=p[0])) opts.append('HOUSE_ECC_CURVE_TLS_ID ' + hex(curve_id)) return opts vars = { 'version_major': build_config.version_major, 'version_minor': build_config.version_minor, 'version_patch': build_config.version_patch, 'version_vc_rev': build_config.version_vc_rev, 'so_abi_rev': build_config.version_so_rev, 'version': build_config.version_string, 'version_packed': build_config.version_packed, 'release_type': build_config.version_release_type, 'distribution_info': options.distribution_info, 'version_datestamp': build_config.version_datestamp, 'base_dir': options.base_dir, 'src_dir': options.src_dir, 'doc_dir': build_config.doc_dir, 'command_line': ' '.join(sys.argv), 'local_config': slurp_file(options.local_config), 'makefile_style': options.makefile_style or cc.makefile_style, 'makefile_path': prefix_with_build_dir('Makefile'), 'program_suffix': options.program_suffix or osinfo.program_suffix, 'prefix': options.prefix or osinfo.install_root, 'destdir': options.destdir or options.prefix or osinfo.install_root, 'bindir': options.bindir or osinfo.bin_dir, 'libdir': options.libdir or osinfo.lib_dir, 'includedir': options.includedir or osinfo.header_dir, 'docdir': options.docdir or osinfo.doc_dir, 'out_dir': options.with_build_dir or os.path.curdir, 'build_dir': build_config.build_dir, 'scripts_dir': os.path.join(build_config.src_dir, 'scripts'), 'build_shared_lib': options.build_shared_lib, 'libobj_dir': build_config.libobj_dir, 'cliobj_dir': build_config.cliobj_dir, 'testobj_dir': build_config.testobj_dir, 'doc_output_dir': build_config.doc_output_dir, 'build_doc_commands': build_config.build_doc_commands, 'python_dir': build_config.python_dir, 'sphinx_config_dir': os.path.join(options.build_data, 'sphinx'), 'os': options.os, 'arch': options.arch, 'submodel': options.cpu, 'innosetup_arch': innosetup_arch(options.os, options.arch), 'mp_bits': choose_mp_bits(), 'cxx': (options.compiler_binary or cc.binary_name), 'cxx_abi_flags': cc.mach_abi_link_flags(options), 'linker': cc.linker_name or '$(CXX)', 'cc_compile_flags': cc.cc_compile_flags(options), 'cc_warning_flags': cc.cc_warning_flags(options), 'shared_flags': cc.gen_shared_flags(options), 'visibility_attribute': cc.gen_visibility_attribute(options), 'lib_link_cmd': cc.so_link_command_for(osinfo.basename, options), 'cli_link_cmd': cc.binary_link_command_for(osinfo.basename, options), 'test_link_cmd': cc.binary_link_command_for(osinfo.basename, options), 'link_to': ' '.join([cc.add_lib_option + lib for lib in link_to()] + [cc.add_framework_option + fw for fw in link_to_frameworks()]), 'module_defines': make_cpp_macros(sorted(flatten([m.defines() for m in modules]))), 'target_os_defines': make_cpp_macros(osinfo.defines(options)), 'target_compiler_defines': make_cpp_macros(cc.defines()), 'target_cpu_defines': make_cpp_macros(arch.defines(cc, options)), 'botan_include_dir': build_config.botan_include_dir, 'include_files': makefile_list(build_config.public_headers), 'unsafe_fuzzer_mode_define': '' if not options.unsafe_fuzzer_mode else '#define BOTAN_UNSAFE_FUZZER_MODE', 'ar_command': cc.ar_command or osinfo.ar_command, 'ranlib_command': osinfo.ranlib_command(), 'install_cmd_exec': osinfo.install_cmd_exec, 'install_cmd_data': osinfo.install_cmd_data, 'lib_prefix': 'lib' if options.os != 'windows' else '', 'static_suffix': osinfo.static_suffix, 'soname_base': osinfo.soname_pattern_base.format( version_major=build_config.version_major, version_minor=build_config.version_minor, version_patch=build_config.version_patch, abi_rev=build_config.version_so_rev), 'soname_abi': osinfo.soname_pattern_abi.format( version_major=build_config.version_major, version_minor=build_config.version_minor, version_patch=build_config.version_patch, abi_rev=build_config.version_so_rev), 'soname_patch': osinfo.soname_pattern_patch.format( version_major=build_config.version_major, version_minor=build_config.version_minor, version_patch=build_config.version_patch, abi_rev=build_config.version_so_rev), 'mod_list': '\n'.join(sorted([m.basename for m in modules])), 'python_version': options.python_version, 'with_sphinx': options.with_sphinx, 'misc_config': make_cpp_macros(misc_config()) } if options.os == 'darwin' and options.build_shared_lib: # In order that these executables work from the build directory, # we need to change the install names vars['cli_post_link_cmd'] = 'install_name_tool -change "$(INSTALLED_LIB_DIR)/$(SONAME_ABI)" "@executable_path/$(SONAME_ABI)" $(CLI)' vars['test_post_link_cmd'] = 'install_name_tool -change "$(INSTALLED_LIB_DIR)/$(SONAME_ABI)" "@executable_path/$(SONAME_ABI)" $(TEST)' else: vars['cli_post_link_cmd'] = '' vars['test_post_link_cmd'] = '' gen_makefile_lists(vars, build_config, options, modules, cc, arch, osinfo) if options.os != 'windows': vars['botan_pkgconfig'] = prefix_with_build_dir(os.path.join(build_config.build_dir, build_config.pkg_config_file())) # 'botan' or 'botan-2'. Used in Makefile and install script # This can be made consistent over all platforms in the future vars['libname'] = 'botan-%d' % (build_config.version_major) else: if options.with_debug_info: vars['libname'] = 'botand' else: vars['libname'] = 'botan' vars["header_in"] = process_template(os.path.join(options.makefile_dir, 'header.in'), vars) if vars["makefile_style"] == "gmake": vars["gmake_commands_in"] = process_template(os.path.join(options.makefile_dir, 'gmake_commands.in'), vars) vars["gmake_dso_in"] = process_template(os.path.join(options.makefile_dir, 'gmake_dso.in'), vars) \ if options.build_shared_lib else '' vars["gmake_coverage_in"] = process_template(os.path.join(options.makefile_dir, 'gmake_coverage.in'), vars) \ if options.with_coverage_info else '' return vars def choose_modules_to_use(modules, module_policy, archinfo, ccinfo, options): """ Determine which modules to load based on options, target, etc """ for mod in modules.values(): mod.dependencies_exist(modules) to_load = [] maybe_dep = [] not_using_because = {} def cannot_use_because(mod, reason): not_using_because.setdefault(reason, []).append(mod) def check_usable(module, modname, options): if not module.compatible_os(options.os): cannot_use_because(modname, 'incompatible OS') return False elif not module.compatible_compiler(ccinfo, archinfo.basename): cannot_use_because(modname, 'incompatible compiler') return False elif not module.compatible_cpu(archinfo, options): cannot_use_because(modname, 'incompatible CPU') return False return True for modname in options.enabled_modules: if modname not in modules: logging.error("Module not found: %s" % (modname)) for modname in options.disabled_modules: if modname not in modules: logging.warning("Disabled module not found: %s" % (modname)) for (modname, module) in modules.items(): usable = check_usable(module, modname, options) if module_policy is not None: if modname in module_policy.required: if not usable: logging.error('Module policy requires module %s not usable on this platform' % (modname)) elif modname in options.disabled_modules: logging.error('Module %s was disabled but is required by policy' % (modname)) to_load.append(modname) continue elif modname in module_policy.if_available: if modname in options.disabled_modules: cannot_use_because(modname, 'disabled by user') elif usable: logging.debug('Enabling optional module %s' % (modname)) to_load.append(modname) continue elif modname in module_policy.prohibited: if modname in options.enabled_modules: logging.error('Module %s was requested but is prohibited by policy' % (modname)) cannot_use_because(modname, 'prohibited by module policy') continue if modname in options.disabled_modules: cannot_use_because(modname, 'disabled by user') elif usable: if modname in options.enabled_modules: to_load.append(modname) # trust the user if module.load_on == 'never': cannot_use_because(modname, 'disabled as buggy') elif module.load_on == 'request': if options.with_everything: to_load.append(modname) else: cannot_use_because(modname, 'by request only') elif module.load_on == 'vendor': if options.with_everything: to_load.append(modname) else: cannot_use_because(modname, 'requires external dependency') elif module.load_on == 'dep': maybe_dep.append(modname) elif module.load_on == 'always': to_load.append(modname) elif module.load_on == 'auto': if options.no_autoload or module_policy is not None: maybe_dep.append(modname) else: to_load.append(modname) else: logging.error('Unknown load_on %s in %s' % ( module.load_on, modname)) if 'compression' in to_load: # Confirm that we have at least one compression library enabled # Otherwise we leave a lot of useless support code compiled in, plus a # make_compressor call that always fails if 'zlib' not in to_load and 'bzip2' not in to_load and 'lzma' not in to_load: to_load.remove('compression') cannot_use_because('compression', 'no enabled compression schemes') dependency_failure = True while dependency_failure: dependency_failure = False for modname in to_load: for deplist in [s.split('|') for s in modules[modname].dependencies()]: dep_met = False for mod in deplist: if dep_met is True: break if mod in to_load: dep_met = True elif mod in maybe_dep: maybe_dep.remove(mod) to_load.append(mod) dep_met = True if not dep_met: dependency_failure = True if modname in to_load: to_load.remove(modname) if modname in maybe_dep: maybe_dep.remove(modname) cannot_use_because(modname, 'dependency failure') for not_a_dep in maybe_dep: cannot_use_because(not_a_dep, 'not requested') for reason in sorted(not_using_because.keys()): disabled_mods = sorted(set([mod for mod in not_using_because[reason]])) if disabled_mods != []: logging.info('Skipping, %s - %s' % ( reason, ' '.join(disabled_mods))) for mod in sorted(to_load): if mod.startswith('simd_') and mod != 'simd_engine': logging.info('Using SIMD module ' + mod) for mod in sorted(to_load): if modules[mod].comment: logging.info('%s: %s' % (mod, modules[mod].comment)) if modules[mod].warning: logging.warning('%s: %s' % (mod, modules[mod].warning)) # force through set to dedup if required to_load = sorted(list(set(to_load))) logging.info('Loading modules %s', ' '.join(to_load)) return to_load def choose_link_method(options): """ Choose the link method based on system availablity and user request """ req = options.link_method def useable_methods(): # Symbolic link support on Windows was introduced in Windows 6.0 (Vista) and Python 3.2 # Furthermore the SeCreateSymbolicLinkPrivilege is required in order to successfully create symlinks # So only try to use symlinks on Windows if explicitly requested if req == 'symlink' and options.os == 'windows': yield 'symlink' # otherwise keep old conservative behavior if 'symlink' in os.__dict__ and options.os != 'windows': yield 'symlink' if 'link' in os.__dict__: yield 'hardlink' yield 'copy' for method in useable_methods(): if req is None or req == method: logging.info('Using %s to link files into build dir ' \ '(use --link-method to change)' % (method)) return method logging.warning('Could not use link method "%s", will copy instead' % (req)) return 'copy' def portable_symlink(file_path, target_dir, method): """ Copy or link the file, depending on what the platform offers """ if not os.access(file_path, os.R_OK): logging.warning('Missing file %s' % (file_path)) return if method == 'symlink': rel_file_path = os.path.relpath(file_path, start=target_dir) os.symlink(rel_file_path, os.path.join(target_dir, os.path.basename(file_path))) elif method == 'hardlink': os.link(file_path, os.path.join(target_dir, os.path.basename(file_path))) elif method == 'copy': shutil.copy(file_path, target_dir) else: raise ConfigureError('Unknown link method %s' % (method)) def generate_amalgamation(build_config, options): """ Generate the amalgamation """ def strip_header_goop(header_name, contents): header_guard = re.compile('^#define BOTAN_.*_H__$') while len(contents) > 0: if header_guard.match(contents[0]): contents = contents[1:] break contents = contents[1:] if len(contents) == 0: raise ConfigureError("No header guard found in " + header_name) while contents[0] == '\n': contents = contents[1:] while contents[-1] == '\n': contents = contents[0:-1] if contents[-1] == '#endif\n': contents = contents[0:-1] return contents botan_include_matcher = re.compile(r'#include $') std_include_matcher = re.compile(r'^#include <([^/\.]+|stddef.h)>$') any_include_matcher = re.compile(r'#include <(.*)>$') class AmalgamationGenerator: def __init__(self, input_list): self.included_already = set() self.all_std_includes = set() self.file_contents = {} for f in sorted(input_list): try: contents = strip_header_goop(f, open(f).readlines()) self.file_contents[os.path.basename(f)] = contents except IOError as e: logging.error('Error processing file %s for amalgamation: %s' % (f, e)) self.contents = '' for name in sorted(self.file_contents): self.contents += ''.join(list(self.header_contents(name))) self.header_includes = '' for std_header in sorted(self.all_std_includes): self.header_includes += '#include <%s>\n' % (std_header) self.header_includes += '\n' def header_contents(self, name): name = name.replace('internal/', '') if name in self.included_already: return self.included_already.add(name) if name not in self.file_contents: return for line in self.file_contents[name]: match = botan_include_matcher.search(line) if match: for c in self.header_contents(match.group(1)): yield c else: match = std_include_matcher.search(line) if match: self.all_std_includes.add(match.group(1)) else: yield line amalg_basename = 'botan_all' header_name = '%s.h' % (amalg_basename) header_int_name = '%s_internal.h' % (amalg_basename) logging.info('Writing amalgamation header to %s' % (header_name)) botan_h = open(header_name, 'w') botan_int_h = open(header_int_name, 'w') pub_header_amalag = AmalgamationGenerator(build_config.public_headers) amalg_header = """/* * Botan %s Amalgamation * (C) 1999-2013,2014,2015,2016 Jack Lloyd and others * * Botan is released under the Simplified BSD License (see license.txt) */ """ % (build_config.version_string) botan_h.write(amalg_header) botan_h.write(""" #ifndef BOTAN_AMALGAMATION_H__ #define BOTAN_AMALGAMATION_H__ """) botan_h.write(pub_header_amalag.header_includes) botan_h.write(pub_header_amalag.contents) botan_h.write("\n#endif\n") internal_headers = AmalgamationGenerator([s for s in build_config.internal_headers]) botan_int_h.write(""" #ifndef BOTAN_AMALGAMATION_INTERNAL_H__ #define BOTAN_AMALGAMATION_INTERNAL_H__ """) botan_int_h.write(internal_headers.header_includes) botan_int_h.write(internal_headers.contents) botan_int_h.write("\n#endif\n") headers_written_in_h_files = pub_header_amalag.all_std_includes | internal_headers.all_std_includes botan_amalgs_fs = [] def open_amalg_file(tgt): fsname = '%s%s.cpp' % (amalg_basename, '_' + tgt if tgt else '') botan_amalgs_fs.append(fsname) logging.info('Writing amalgamation source to %s' % (fsname)) f = open(fsname, 'w') f.write(amalg_header) f.write('\n#include "%s"\n' % (header_name)) f.write('#include "%s"\n\n' % (header_int_name)) return f botan_amalg_files = {} headers_written = {} for mod in build_config.modules: tgt = '' if not options.single_amalgamation_file: if mod.need_isa != []: tgt = '_'.join(sorted(mod.need_isa)) if tgt == 'sse2' and options.arch == 'x86_64': tgt = '' # SSE2 is always available on x86-64 if options.arch == 'x86_32' and 'simd' in mod.requires: tgt = 'sse2' if tgt not in botan_amalg_files: botan_amalg_files[tgt] = open_amalg_file(tgt) if tgt != '': for isa in mod.need_isa: if isa == 'aesni': isa = "aes,ssse3,pclmul" elif isa == 'rdrand': isa = 'rdrnd' botan_amalg_files[tgt].write('#if defined(__GNUG__)\n#pragma GCC target ("%s")\n#endif\n' % (isa)) if tgt not in headers_written: headers_written[tgt] = headers_written_in_h_files.copy() for src in sorted(mod.source): contents = open(src, 'r').readlines() for line in contents: if botan_include_matcher.search(line): continue match = any_include_matcher.search(line) if match: header = match.group(1) if header in headers_written[tgt]: continue botan_amalg_files[tgt].write(line) headers_written[tgt].add(header) else: botan_amalg_files[tgt].write(line) return botan_amalgs_fs def have_program(program): """ Test for the existence of a program """ def exe_test(path, program): exe_file = os.path.join(path, program) if os.path.exists(exe_file) and os.access(exe_file, os.X_OK): logging.debug('Found program %s in %s' % (program, path)) return True else: return False exe_suffixes = ['', '.exe'] for path in os.environ['PATH'].split(os.pathsep): for suffix in exe_suffixes: if exe_test(path, program + suffix): return True logging.debug('Program %s not found' % (program)) return False def main(argv=None): """ Main driver """ if argv is None: argv = sys.argv class BotanConfigureLogHandler(logging.StreamHandler, object): def emit(self, record): # Do the default stuff first super(BotanConfigureLogHandler, self).emit(record) # Exit script if and ERROR or worse occurred if record.levelno >= logging.ERROR: sys.exit(1) lh = BotanConfigureLogHandler(sys.stdout) lh.setFormatter(logging.Formatter('%(levelname) 7s: %(message)s')) logging.getLogger().addHandler(lh) options = process_command_line(argv[1:]) def log_level(): if options.verbose: return logging.DEBUG if options.quiet: return logging.WARNING return logging.INFO logging.getLogger().setLevel(log_level()) logging.info('%s invoked with options "%s"' % ( argv[0], ' '.join(argv[1:]))) logging.info('Platform: OS="%s" machine="%s" proc="%s"' % ( platform.system(), platform.machine(), platform.processor())) if options.os == "java": raise ConfigureError("Jython detected: need --os and --cpu to set target") options.base_dir = os.path.dirname(argv[0]) options.src_dir = os.path.join(options.base_dir, 'src') options.lib_dir = os.path.join(options.src_dir, 'lib') options.build_data = os.path.join(options.src_dir, 'build-data') options.makefile_dir = os.path.join(options.build_data, 'makefile') def find_files_named(desired_name, in_path): for (dirpath, _, filenames) in os.walk(in_path): if desired_name in filenames: yield os.path.join(dirpath, desired_name) modules = dict([(mod.basename, mod) for mod in [ModuleInfo(info) for info in find_files_named('info.txt', options.lib_dir)]]) def load_build_data(descr, subdir, class_t): info = {} subdir = os.path.join(options.build_data, subdir) for fsname in os.listdir(subdir): if fsname.endswith('.txt'): info[fsname.replace('.txt', '')] = class_t(os.path.join(subdir, fsname)) if len(info) == 0: logging.warning('Failed to load any %s files' % (descr)) else: infotxt_basenames = ' '.join(sorted([key for key in info])) logging.debug('Loaded %d %s files (%s)' % (len(info), descr, infotxt_basenames)) return info info_arch = load_build_data('CPU info', 'arch', ArchInfo) info_os = load_build_data('OS info', 'os', OsInfo) info_cc = load_build_data('compiler info', 'cc', CompilerInfo) for mod in modules.values(): mod.cross_check(info_arch, info_os, info_cc) module_policies = load_build_data('module policy', 'policy', ModulePolicyInfo) for policy in module_policies.values(): policy.cross_check(modules) logging.debug('Known CPU names: ' + ' '.join( sorted(flatten([[ainfo.basename] + \ ainfo.aliases + \ [x for (x, _) in ainfo.all_submodels()] for ainfo in info_arch.values()])))) if options.list_modules: for k in sorted(modules.keys()): print(k) sys.exit(0) if options.chost: chost = options.chost.split('-') if options.cpu is None and len(chost) > 0: options.cpu = chost[0] if options.os is None and len(chost) > 2: options.os = '-'.join(chost[2:]) if options.os is None: options.os = platform.system().lower() if re.match('^cygwin_.*', options.os): logging.debug("Converting '%s' to 'cygwin'", options.os) options.os = 'cygwin' if options.os == 'windows' and options.compiler == 'gcc': logging.warning('Detected GCC on Windows; use --os=cygwin or --os=mingw?') logging.info('Guessing target OS is %s (use --os to set)' % (options.os)) if options.compiler is None: if options.os == 'windows': if have_program('g++') and not have_program('cl'): options.compiler = 'gcc' else: options.compiler = 'msvc' elif options.os in ['darwin', 'freebsd', 'ios']: if have_program('clang++'): options.compiler = 'clang' elif options.os == 'openbsd': if have_program('eg++'): info_cc['gcc'].binary_name = 'eg++' else: logging.warning('Default GCC is too old; install a newer one using \'pkg_add gcc\'') # The assembler shipping with OpenBSD 5.9 does not support avx2 del info_cc['gcc'].isa_flags['avx2'] options.compiler = 'gcc' else: options.compiler = 'gcc' logging.info('Guessing to use compiler %s (use --cc to set)' % ( options.compiler)) if options.compiler not in info_cc: raise ConfigureError('Unknown compiler "%s"; available options: %s' % ( options.compiler, ' '.join(sorted(info_cc.keys())))) if options.os not in info_os: def find_canonical_os_name(os_name_variant): for (canonical_os_name, info) in info_os.items(): if os_name_variant in info.aliases: return canonical_os_name return os_name_variant # not found options.os = find_canonical_os_name(options.os) if options.os not in info_os: raise ConfigureError('Unknown OS "%s"; available options: %s' % ( options.os, ' '.join(sorted(info_os.keys())))) if options.cpu is None: (options.arch, options.cpu) = guess_processor(info_arch) logging.info('Guessing target processor is a %s/%s (use --cpu to set)' % ( options.arch, options.cpu)) else: cpu_from_user = options.cpu results = canon_processor(info_arch, options.cpu) if results != None: (options.arch, options.cpu) = results logging.info('Canonicalizized CPU target %s to %s/%s' % ( cpu_from_user, options.arch, options.cpu)) else: logging.error('Unknown or unidentifiable processor "%s"' % (options.cpu)) logging.info('Target is %s-%s-%s-%s' % ( options.compiler, options.os, options.arch, options.cpu)) cc = info_cc[options.compiler] arch = info_arch[options.arch] osinfo = info_os[options.os] module_policy = None if options.module_policy != None: if options.module_policy not in module_policies: logging.error("Unknown module set %s", options.module_policy) module_policy = module_policies[options.module_policy] if options.with_visibility is None: options.with_visibility = True if options.with_sphinx is None: if have_program('sphinx-build'): logging.info('Found sphinx-build (use --without-sphinx to disable)') options.with_sphinx = True if options.gen_amalgamation: raise ConfigureError("--gen-amalgamation was removed. Migrate to --amalgamation.") if options.via_amalgamation: raise ConfigureError("--via-amalgamation was removed. Use --amalgamation instead.") if options.build_shared_lib and not osinfo.building_shared_supported: logging.warning('Shared libs not supported on %s, disabling shared lib support' % (osinfo.basename)) options.build_shared_lib = False loaded_mods = choose_modules_to_use(modules, module_policy, arch, cc, options) for m in loaded_mods: if modules[m].load_on == 'vendor': logging.info('Enabling use of external dependency %s' % (m)) using_mods = [modules[m] for m in loaded_mods] build_config = BuildConfigurationInformation(options, using_mods) build_config.public_headers.append(os.path.join(build_config.build_dir, 'build.h')) template_vars = create_template_vars(build_config, options, using_mods, cc, arch, osinfo) makefile_template = os.path.join(options.makefile_dir, '%s.in' % (template_vars['makefile_style'])) logging.debug('Using makefile template %s' % (makefile_template)) # Now begin the actual IO to setup the build # Workaround for Windows systems where antivirus is enabled GH #353 def robust_rmtree(path, max_retries=5): for _ in range(max_retries): try: shutil.rmtree(path) return except OSError: time.sleep(0.1) # Final attempt, pass any exceptions up to caller. shutil.rmtree(path) # Workaround for Windows systems where antivirus is enabled GH #353 def robust_makedirs(directory, max_retries=5): for _ in range(max_retries): try: os.makedirs(directory) return except OSError as e: if e.errno == errno.EEXIST: raise else: time.sleep(0.1) # Final attempt, pass any exceptions up to caller. os.makedirs(dir) try: if options.clean_build_tree: robust_rmtree(build_config.build_dir) except OSError as e: if e.errno != errno.ENOENT: logging.error('Problem while removing build dir: %s' % (e)) for dir in build_config.build_dirs: try: robust_makedirs(dir) except OSError as e: if e.errno != errno.EEXIST: logging.error('Error while creating "%s": %s' % (dir, e)) def write_template(sink, template): try: f = open(sink, 'w') f.write(process_template(template, template_vars)) finally: f.close() def in_build_dir(p): return os.path.join(build_config.build_dir, p) def in_build_data(p): return os.path.join(options.build_data, p) write_template(in_build_dir('build.h'), in_build_data('buildh.in')) write_template(in_build_dir('botan.doxy'), in_build_data('botan.doxy.in')) if options.os != 'windows': write_template(in_build_dir(build_config.pkg_config_file()), in_build_data('botan.pc.in')) if options.os == 'windows': write_template(in_build_dir('botan.iss'), in_build_data('innosetup.in')) link_method = choose_link_method(options) def link_headers(headers, type, dir): logging.debug('Linking %d %s header files in %s' % (len(headers), type, dir)) for header_file in headers: try: portable_symlink(header_file, dir, link_method) except OSError as e: if e.errno != errno.EEXIST: raise ConfigureError('Error linking %s into %s: %s' % (header_file, dir, e)) link_headers(build_config.public_headers, 'public', build_config.botan_include_dir) link_headers(build_config.internal_headers, 'internal', build_config.internal_include_dir) link_headers(build_config.external_headers, 'external', build_config.external_include_dir) with open(os.path.join(build_config.build_dir, 'build_config.py'), 'w') as f: f.write(str(template_vars)) if options.amalgamation: amalgamation_cpp_files = generate_amalgamation(build_config, options) build_config.build_sources = amalgamation_cpp_files gen_makefile_lists(template_vars, build_config, options, using_mods, cc, arch, osinfo) if options.with_bakefile: gen_bakefile(build_config, options) write_template(template_vars['makefile_path'], makefile_template) def release_date(datestamp): if datestamp == 0: return 'undated' return 'dated %d' % (datestamp) logging.info('Botan %s (VC %s) (%s %s) build setup is complete' % ( build_config.version_string, build_config.version_vc_rev, build_config.version_release_type, release_date(build_config.version_datestamp))) if options.unsafe_fuzzer_mode: logging.warning("The fuzzer mode flag is labeled unsafe for a reason, this version is for testing only") if __name__ == '__main__': try: main() except ConfigureError as e: logging.debug(traceback.format_exc()) logging.error(e) except Exception as e: # pylint: disable=broad-except logging.debug(traceback.format_exc()) logging.error(e) sys.exit(0)