#!/usr/bin/env python """ Configuration program for botan (C) 2009,2010,2011,2012,2013,2014,2015,2016,2017 Jack Lloyd (C) 2015,2016,2017 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 collections import copy import json import sys import os import os.path import platform import re import shlex import shutil import subprocess import traceback import logging import time import errno import optparse # pylint: disable=deprecated-module # An error caused by and to be fixed by the user, e.g. invalid command line argument class UserError(Exception): pass # An error caused by bugs in this script or when reading/parsing build data files # Those are not expected to be fixed by the user of this script class InternalError(Exception): pass def flatten(l): return sum(l, []) def parse_version_file(version_path): version_file = open(version_path) key_and_val = re.compile(r"([a-z_]+) = ([a-zA-Z0-9:\-\']+)") results = {} for line in version_file.readlines(): if not line or line[0] == '#': continue match = key_and_val.match(line) if match: key = match.group(1) val = match.group(2) if val == 'None': val = None elif val.startswith("'") and val.endswith("'"): val = val[1:len(val)-1] else: val = int(val) results[key] = val return results class Version(object): """ Version information are all static members """ data = {} @staticmethod def get_data(): if not Version.data: root_dir = os.path.dirname(os.path.realpath(__file__)) Version.data = parse_version_file(os.path.join(root_dir, 'version.txt')) return Version.data @staticmethod def major(): return Version.get_data()["release_major"] @staticmethod def minor(): return Version.get_data()["release_minor"] @staticmethod def patch(): return Version.get_data()["release_patch"] @staticmethod def packed(): # Used on Darwin for dylib versioning return Version.major() * 1000 + Version.minor() @staticmethod def so_rev(): return Version.get_data()["release_so_abi_rev"] @staticmethod def release_type(): return Version.get_data()["release_type"] @staticmethod def datestamp(): return Version.get_data()["release_datestamp"] @staticmethod def as_string(): return '%d.%d.%d' % (Version.major(), Version.minor(), Version.patch()) @staticmethod def vc_rev(): # Lazy load to ensure _local_repo_vc_revision() does not run before logger is set up if Version.get_data()["release_vc_rev"] is None: Version.data["release_vc_rev"] = Version._local_repo_vc_revision() return Version.get_data()["release_vc_rev"] @staticmethod def _local_repo_vc_revision(): vc_command = ['git', 'rev-parse', 'HEAD'] cmdname = vc_command[0] try: vc = subprocess.Popen( vc_command, 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 'unknown' 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 'unknown' class SourcePaths(object): """ A collection of paths defined by the project structure and independent of user configurations. All paths are relative to the base_dir, which may be relative as well (e.g. ".") """ def __init__(self, base_dir): self.base_dir = base_dir self.doc_dir = os.path.join(self.base_dir, 'doc') self.src_dir = os.path.join(self.base_dir, 'src') # dirs in src/ self.build_data_dir = os.path.join(self.src_dir, 'build-data') self.configs_dir = os.path.join(self.src_dir, 'configs') self.lib_dir = os.path.join(self.src_dir, 'lib') self.python_dir = os.path.join(self.src_dir, 'python') self.scripts_dir = os.path.join(self.src_dir, 'scripts') # subdirs of src/ self.sphinx_config_dir = os.path.join(self.configs_dir, 'sphinx') class BuildPaths(object): # pylint: disable=too-many-instance-attributes """ Constructor """ def __init__(self, source_paths, options, modules): self.build_dir = os.path.join(options.with_build_dir, 'build') self.libobj_dir = os.path.join(self.build_dir, 'obj', 'lib') self.cliobj_dir = os.path.join(self.build_dir, 'obj', 'cli') self.testobj_dir = os.path.join(self.build_dir, 'obj', 'test') self.doc_output_dir = os.path.join(self.build_dir, 'docs') self.doc_output_dir_manual = os.path.join(self.doc_output_dir, 'manual') self.doc_output_dir_doxygen = os.path.join(self.doc_output_dir, 'doxygen') if options.with_doxygen else None 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.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.lib_sources = ['botan_all.cpp'] else: self.lib_sources = sorted(flatten([mod.sources() for mod in modules])) self.public_headers = sorted(flatten([m.public_headers() for m in modules])) 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(source_paths.src_dir, 'cli')) self.cli_headers = list(find_headers_in(source_paths.src_dir, 'cli')) self.test_sources = list(find_sources_in(source_paths.src_dir, 'tests')) if options.build_fuzzers: self.fuzzer_sources = list(find_sources_in(source_paths.src_dir, 'fuzzer')) self.fuzzer_output_dir = os.path.join(self.build_dir, 'fuzzer') self.fuzzobj_dir = os.path.join(self.build_dir, 'obj', 'fuzzer') else: self.fuzzer_sources = None self.fuzzer_output_dir = None self.fuzzobj_dir = None def build_dirs(self): out = [ self.libobj_dir, self.cliobj_dir, self.testobj_dir, self.botan_include_dir, self.internal_include_dir, self.external_include_dir, self.doc_output_dir_manual, ] if self.doc_output_dir_doxygen: out += [self.doc_output_dir_doxygen] if self.fuzzer_output_dir: out += [self.fuzzobj_dir] out += [self.fuzzer_output_dir] return out def src_info(self, typ): if typ == 'lib': return (self.lib_sources, self.libobj_dir) elif typ == 'cli': return (self.cli_sources, self.cliobj_dir) elif typ == 'test': return (self.test_sources, self.testobj_dir) elif typ == 'fuzzer': return (self.fuzzer_sources, self.fuzzobj_dir) else: raise InternalError("Unknown src info type '%s'" % (typ)) def process_command_line(args): # pylint: disable=too-many-locals """ Handle command line options Do not use logging in this method as command line options need to be available before logging is setup. """ parser = optparse.OptionParser( formatter=optparse.IndentedHelpFormatter(max_help_position=50), version=Version.as_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-min-version', dest='cc_min_version', default=None, metavar='MAJOR.MINOR', help='Set the minimal version of the target compiler. ' \ 'Use --cc-min-version=0.0 to support all compiler versions. ' \ 'Default is auto detection.') 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('--cxxflags', metavar='FLAG', help='set compiler flags', default=None) target_group.add_option('--ldflags', metavar='FLAG', help='set linker flags', default=None) target_group.add_option('--ar-command', dest='ar_command', metavar='AR', default=None, help='set path to static archive creator') target_group.add_option('--with-endian', metavar='ORDER', default=None, help='override byte order guess') 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', 'SSE4.1', 'SSE4.2', 'AVX2', 'AES-NI', 'AltiVec', 'NEON']: 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('--without-stack-protector', action='store_false', default=True, dest='with_stack_protector', help='disable stack smashing protections') 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=None, help=optparse.SUPPRESS_HELP) build_group.add_option('--disable-shared-library', dest='build_shared_lib', action='store_false', help='disable building shared library') build_group.add_option('--enable-static-library', dest='build_static_lib', action='store_true', default=None, help=optparse.SUPPRESS_HELP) build_group.add_option('--disable-static-library', dest='build_static_lib', action='store_false', help='disable building static 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-external-libdir', metavar='DIR', default='', help='use DIR for external libs') build_group.add_option('--with-openmp', default=False, action='store_true', help='enable use of OpenMP') 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)) 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('--maintainer-mode', dest='maintainer_mode', action='store_true', default=False, help="Enable extra warnings") 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('--with-cmake', action='store_true', default=False, help='Generate CMakeLists.txt which can be used to create many IDEs project files') build_group.add_option('--unsafe-fuzzer-mode', action='store_true', default=False, help='Disable essential checks for testing') build_group.add_option('--build-fuzzers=', dest='build_fuzzers', metavar='TYPE', default=None, help='Build fuzzers (afl, libfuzzer, klee, test)') build_group.add_option('--with-fuzzer-lib=', metavar='LIB', default=None, dest='fuzzer_lib', help='additionally link in LIB') docs_group = optparse.OptionGroup(parser, 'Documentation Options') docs_group.add_option('--with-documentation', action='store_true', help=optparse.SUPPRESS_HELP) docs_group.add_option('--without-documentation', action='store_false', default=True, dest='with_documentation', help='Skip building/installing documentation') docs_group.add_option('--with-sphinx', action='store_true', default=None, help='Use Sphinx') docs_group.add_option('--without-sphinx', action='store_false', dest='with_sphinx', help=optparse.SUPPRESS_HELP) docs_group.add_option('--with-pdf', action='store_true', default=False, help='Use Sphinx to generate PDF doc') docs_group.add_option('--without-pdf', action='store_false', dest='with_pdf', help=optparse.SUPPRESS_HELP) docs_group.add_option('--with-doxygen', action='store_true', default=False, help='Use Doxygen') docs_group.add_option('--without-doxygen', action='store_false', dest='with_doxygen', help=optparse.SUPPRESS_HELP) 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 and exit') 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 = ['bearssl', '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 destination prefix (REMOVED, use DESTDIR ' \ 'environment variable when calling \'make install\')') 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(docs_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 UserError('Unhandled option(s): ' + ' '.join(args)) if options.with_endian != None and \ options.with_endian not in ['little', 'big']: raise UserError('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) # Take some values from environment, if not set on command line if options.ar_command is None: options.ar_command = os.getenv('AR') if options.compiler_binary is None: options.compiler_binary = os.getenv('CXX') if options.cxxflags is None: options.cxxflags = os.getenv('CXXFLAGS') if options.ldflags is None: options.ldflags = os.getenv('LDFLAGS') return options class LexResult(object): pass class LexerError(InternalError): def __init__(self, msg, lexfile, line): super(LexerError, self).__init__(msg) self.msg = msg self.lexfile = lexfile self.line = line def __str__(self): return '%s at %s:%d' % (self.msg, self.lexfile, self.line) def parse_lex_dict(as_list): if len(as_list) % 3 != 0: raise InternalError("Lex dictionary has invalid format (input not divisible by 3): %s" % as_list) result = {} for key, sep, value in [as_list[3*i:3*i+3] for i in range(0, len(as_list)//3)]: if sep != '->': raise InternalError("Lex dictionary has invalid format") result[key] = value return result def lex_me_harder(infofile, allowed_groups, name_val_pairs): """ Generic lexer function for info.txt and src/build-data files """ out = LexResult() # Format as a nameable Python variable def py_var(group): return group.replace(':', '_') lexer = shlex.shlex(open(infofile), infofile, posix=True) lexer.wordchars += '|:.<>/,-!+' # handle various funky chars in info.txt for group in allowed_groups: out.__dict__[py_var(group)] = [] for (key, val) in name_val_pairs.items(): out.__dict__[key] = val def lexed_tokens(): # Convert to an interator while True: token = lexer.get_token() if token != lexer.eof: yield token else: return 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), infofile, lexer.lineno) end_marker = '' token = lexer.get_token() while token != end_marker: out.__dict__[py_var(group)].append(token) token = lexer.get_token() if token is None: raise LexerError('Group "%s" not terminated' % (group), infofile, lexer.lineno) elif token in name_val_pairs.keys(): if isinstance(out.__dict__[token], list): out.__dict__[token].append(lexer.get_token()) else: out.__dict__[token] = lexer.get_token() else: # No match -> error raise LexerError('Bad token "%s"' % (token), infofile, lexer.lineno) return out class InfoObject(object): def __init__(self, infofile): """ Constructor sets members `infofile`, `lives_in`, `parent_module` and `basename` """ self.infofile = infofile (dirname, basename) = os.path.split(infofile) self.lives_in = dirname if basename == 'info.txt': (obj_dir, self.basename) = os.path.split(dirname) if os.access(os.path.join(obj_dir, 'info.txt'), os.R_OK): self.parent_module = os.path.basename(obj_dir) else: self.parent_module = None else: self.basename = basename.replace('.txt', '') class ModuleInfo(InfoObject): """ Represents the information about a particular module """ def __init__(self, infofile): super(ModuleInfo, self).__init__(infofile) lex = lex_me_harder( infofile, [ 'defines', 'header:internal', 'header:public', 'header:external', 'requires', 'os', 'arch', 'cc', 'libs', 'frameworks', 'comment', 'warning' ], { 'load_on': 'auto', 'need_isa': '' }) def check_header_duplicates(header_list_public, header_list_internal): pub_header = set(header_list_public) int_header = set(header_list_internal) if not pub_header.isdisjoint(int_header): logging.error("Module %s header contains same header in public and internal sections" % self.infofile) check_header_duplicates(lex.header_public, lex.header_internal) 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 not entry for the headers, all are assumed public if lex.header_internal == [] and lex.header_public == []: self.header_public = list(all_header_files) self.header_internal = [] else: self.header_public = lex.header_public self.header_internal = lex.header_internal self.header_external = lex.header_external # Coerce to more useful types def convert_lib_list(l): if len(l) % 3 != 0: raise InternalError("Bad in module %s" % (self.basename)) result = {} for sep in l[1::3]: if sep != '->': raise InternalError("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 # Convert remaining lex result to members self.arch = lex.arch self.cc = lex.cc self.comment = ' '.join(lex.comment) if lex.comment else None self._defines = parse_lex_dict(lex.defines) self._validate_defines_content(self._defines) self.frameworks = convert_lib_list(lex.frameworks) self.libs = convert_lib_list(lex.libs) self.load_on = lex.load_on self.need_isa = lex.need_isa.split(',') if lex.need_isa else [] self.os = lex.os self.requires = lex.requires self.warning = ' '.join(lex.warning) if lex.warning else None 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(':')) # Modify members 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] # Filesystem read access check 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)) # Check for duplicates def intersect_check(type_a, list_a, type_b, list_b): intersection = set.intersection(set(list_a), set(list_b)) if intersection: 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) @staticmethod def _validate_defines_content(defines): for key, value in defines.items(): if not re.match('^[0-9A-Za-z_]{3,30}$', key): raise InternalError('Module defines key has invalid format: "%s"' % key) if not re.match('^[0-9]{8}$', value): raise InternalError('Module defines value has invalid format: "%s"' % value) def cross_check(self, arch_info, os_info, cc_info): for supp_os in self.os: if supp_os not in os_info: raise InternalError('Module %s mentions unknown OS %s' % (self.infofile, supp_os)) for supp_cc in self.cc: if supp_cc not in cc_info: colon_idx = supp_cc.find(':') # a versioned compiler dependency if colon_idx > 0 and supp_cc[0:colon_idx] in cc_info: pass else: raise InternalError('Module %s mentions unknown compiler %s' % (self.infofile, supp_cc)) for supp_arch in self.arch: if supp_arch not in arch_info: raise InternalError('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_%s %s' % (key, value) for key, value in self._defines.items()] 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, ccinfo, cc_min_version, arch): # Check if this compiler supports the flags we need def supported_isa_flags(ccinfo, arch): for isa in self.need_isa: if ccinfo.isa_flags_for(isa, arch) is None: return False return True # Check if module gives explicit compiler dependencies def supported_compiler(ccinfo, cc_min_version): if self.cc == []: # no compiler restriction return True if ccinfo.basename in self.cc: # compiler is supported, independent of version return True # Maybe a versioned compiler dep for cc in self.cc: try: name, version = cc.split(":") if name == ccinfo.basename: min_cc_version = [int(v) for v in version.split('.')] cur_cc_version = [int(v) for v in cc_min_version.split('.')] # With lists of ints, this does what we want return cur_cc_version >= min_cc_version except ValueError: # No version part specified pass return False # compiler not listed return supported_isa_flags(ccinfo, arch) and supported_compiler(ccinfo, cc_min_version) 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)) class ModulePolicyInfo(InfoObject): def __init__(self, infofile): super(ModulePolicyInfo, self).__init__(infofile) lex = lex_me_harder( infofile, ['required', 'if_available', 'prohibited'], {}) self.if_available = lex.if_available self.required = lex.required self.prohibited = lex.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(InfoObject): def __init__(self, infofile): super(ArchInfo, self).__init__(infofile) lex = lex_me_harder( infofile, ['aliases', 'submodels', 'submodel_aliases', 'isa_extensions'], { 'endian': None, 'family': None, 'wordsize': 32 }) self.aliases = lex.aliases self.endian = lex.endian self.family = lex.family self.isa_extensions = lex.isa_extensions self.submodels = lex.submodels self.submodel_aliases = parse_lex_dict(lex.submodel_aliases) self.wordsize = int(lex.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)) 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') if options.with_valgrind: macros.append('HAS_VALGRIND') if options.with_openmp: macros.append('TARGET_HAS_OPENMP') return macros MachOptFlags = collections.namedtuple('MachOptFlags', ['flags', 'submodel_prefix']) class CompilerInfo(InfoObject): # pylint: disable=too-many-instance-attributes def __init__(self, infofile): super(CompilerInfo, self).__init__(infofile) lex = lex_me_harder( infofile, ['so_link_commands', 'binary_link_commands', 'mach_opt', 'mach_abi_linking', 'isa_flags'], { 'binary_name': None, 'linker_name': None, 'macro_name': None, 'output_to_object': '-o ', 'output_to_exe': '-o ', 'add_include_dir_option': '-I', 'add_lib_dir_option': '-L', 'add_lib_option': '-l', 'add_framework_option': '-framework ', 'compile_flags': '-c', 'debug_info_flags': '-g', 'optimization_flags': '', 'size_optimization_flags': '', 'coverage_flags': '', 'sanitizer_flags': '', 'stack_protector_flags': '', 'shared_flags': '', 'lang_flags': '', 'warning_flags': '', 'maintainer_warning_flags': '', 'visibility_build_flags': '', 'visibility_attribute': '', 'ar_command': '', 'ar_options': '', 'ar_output_to': '', }) self.add_framework_option = lex.add_framework_option self.add_include_dir_option = lex.add_include_dir_option self.add_lib_option = lex.add_lib_option self.add_lib_dir_option = lex.add_lib_dir_option self.ar_command = lex.ar_command self.ar_options = lex.ar_options self.ar_output_to = lex.ar_output_to self.binary_link_commands = parse_lex_dict(lex.binary_link_commands) self.binary_name = lex.binary_name self.compile_flags = lex.compile_flags self.coverage_flags = lex.coverage_flags self.debug_info_flags = lex.debug_info_flags self.isa_flags = parse_lex_dict(lex.isa_flags) self.lang_flags = lex.lang_flags self.linker_name = lex.linker_name self.mach_abi_linking = parse_lex_dict(lex.mach_abi_linking) self.macro_name = lex.macro_name self.maintainer_warning_flags = lex.maintainer_warning_flags self.optimization_flags = lex.optimization_flags self.output_to_object = lex.output_to_object self.output_to_exe = lex.output_to_exe self.sanitizer_flags = lex.sanitizer_flags self.shared_flags = lex.shared_flags self.size_optimization_flags = lex.size_optimization_flags self.so_link_commands = parse_lex_dict(lex.so_link_commands) self.stack_protector_flags = lex.stack_protector_flags self.visibility_build_flags = lex.visibility_build_flags self.visibility_attribute = lex.visibility_attribute self.warning_flags = lex.warning_flags self.mach_opt_flags = {} for key, value in parse_lex_dict(lex.mach_opt).items(): parts = value.split("|") self.mach_opt_flags[key] = MachOptFlags(parts[0], parts[1] if len(parts) == 2 else '') 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 yield self.visibility_build_flags return ' '.join(list(flag_builder())) def gen_visibility_attribute(self, options): if options.build_shared_lib: return self.visibility_attribute return '' def mach_abi_link_flags(self, options): """ Return the machine specific ABI flags """ def all_group(): 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_group(), 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_stack_protector and self.stack_protector_flags != '': abi_link.append(self.stack_protector_flags) if options.with_coverage_info: if self.coverage_flags == '': raise UserError('No coverage handling for %s' % (self.basename)) abi_link.append(self.coverage_flags) if options.with_sanitizers: if self.sanitizer_flags == '': raise UserError('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 UserError('No support for OpenMP for %s' % (self.basename)) abi_link.append(self.mach_abi_linking['openmp']) abi_flags = ' '.join(sorted(abi_link)) if options.cc_abi_flags != '': abi_flags += ' ' + options.cc_abi_flags return abi_flags 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_lang_flags(self): return self.lang_flags def cc_compile_flags(self, options): def gen_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(full_cpu, mach_opt_flags_tupel): submodel_replacement = full_cpu.replace(mach_opt_flags_tupel.submodel_prefix, '') return mach_opt_flags_tupel.flags.replace('SUBMODEL', submodel_replacement) 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() @staticmethod def _so_link_search(osname, debug_info): so_link_typ = [osname, 'default'] if debug_info: so_link_typ = [l + '-debug' for l in so_link_typ] + so_link_typ return so_link_typ 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 InternalError( "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(InfoObject): # pylint: disable=too-many-instance-attributes def __init__(self, infofile): super(OsInfo, self).__init__(infofile) lex = lex_me_harder( infofile, ['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', 'ar_options': '', 'ar_output_to': '', 'install_root': '/usr/local', 'header_dir': 'include', 'bin_dir': 'bin', 'lib_dir': 'lib', 'doc_dir': 'share/doc', 'building_shared_supported': 'yes', 'so_post_link_command': '', 'cli_exe_name': 'botan', 'lib_prefix': 'lib', 'library_name': 'botan-{major}', }) if lex.ar_command == 'ar' and lex.ar_options == '': lex.ar_options = 'crs' if lex.soname_pattern_base: self.soname_pattern_base = lex.soname_pattern_base if lex.soname_pattern_patch == '' and lex.soname_pattern_abi == '': self.soname_pattern_patch = lex.soname_pattern_base self.soname_pattern_abi = lex.soname_pattern_base elif lex.soname_pattern_abi != '' and lex.soname_pattern_abi != '': self.soname_pattern_patch = lex.soname_pattern_patch self.soname_pattern_abi = lex.soname_pattern_abi else: # base set, only one of patch/abi set raise InternalError("Invalid soname_patterns in %s" % (self.infofile)) else: if lex.soname_suffix: self.soname_pattern_base = "libbotan-{version_major}.%s" % (lex.soname_suffix) self.soname_pattern_abi = self.soname_pattern_base + ".{abi_rev}" self.soname_pattern_patch = self.soname_pattern_abi + ".{version_minor}.{version_patch}" else: # Could not calculate soname_pattern_* # This happens for OSs without shared library support (e.g. nacl, mingw, includeos, cygwin) self.soname_pattern_base = None self.soname_pattern_abi = None self.soname_pattern_patch = None self.aliases = lex.aliases self.ar_command = lex.ar_command self.ar_options = lex.ar_options self.bin_dir = lex.bin_dir self.building_shared_supported = (lex.building_shared_supported == 'yes') self.cli_exe_name = lex.cli_exe_name self.doc_dir = lex.doc_dir self.header_dir = lex.header_dir self.install_root = lex.install_root self.lib_dir = lex.lib_dir self.lib_prefix = lex.lib_prefix self.library_name = lex.library_name self.obj_suffix = lex.obj_suffix self.os_type = lex.os_type self.program_suffix = lex.program_suffix self.so_post_link_command = lex.so_post_link_command self.static_suffix = lex.static_suffix self.target_features = lex.target_features 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): for info_part in system_cpu_info(): if info_part: match = canon_processor(archinfo, info_part) if match != None: logging.debug("Matched '%s' to processor '%s'" % (info_part, match)) return match else: logging.debug("Failed to deduce CPU from '%s'" % info_part) raise UserError('Could not determine target CPU; set with --cpu') def read_textfile(filepath): """ Read a whole file into memory as a string """ if filepath is None: return '' with open(filepath) as f: return ''.join(f.readlines()) def process_template(template_file, variables): """ Perform template substitution The template language supports (un-nested) conditionals. """ class SimpleTemplate(object): def __init__(self, vals): self.vals = vals self.value_pattern = re.compile(r'%{([a-z][a-z_0-9]+)}') self.cond_pattern = re.compile('%{(if|unless) ([a-z][a-z_0-9]+)}') def substitute(self, template): def insert_value(match): v = match.group(1) if v in self.vals: return str(self.vals.get(v)) raise KeyError(v) lines = template.splitlines() output = [] idx = 0 while idx < len(lines): cond = self.cond_pattern.match(lines[idx]) if cond: cond_type = cond.group(1) cond_var = cond.group(2) include_cond = False if cond_type == 'if' and cond_var in self.vals and self.vals.get(cond_var): include_cond = True elif cond_type == 'unless' and (cond_var not in self.vals or (not self.vals.get(cond_var))): include_cond = True idx += 1 while idx < len(lines): if lines[idx] == '%{endif}': break if include_cond: output.append(lines[idx]) idx += 1 else: output.append(lines[idx]) idx += 1 return self.value_pattern.sub(insert_value, '\n'.join(output)) + '\n' try: return SimpleTemplate(variables).substitute(read_textfile(template_file)) except KeyError as e: logging.error('Unbound var %s in template %s' % (e, template_file)) except Exception as e: # pylint: disable=broad-except logging.error('Exception %s during template processing file %s' % (e, template_file)) def makefile_list(items): separator = " \\\n" + 16*" " return separator.join(items) def gen_bakefile(build_config, options, external_libs): def bakefile_sources(fd, sources): for src in sources: (directory, filename) = os.path.split(os.path.normpath(src)) directory = directory.replace('\\', '/') _, directory = directory.split('src/', 1) fd.write('\tsources { src/%s/%s } \n' % (directory, filename)) def bakefile_cli_headers(fd, headers): for header in headers: (directory, filename) = os.path.split(os.path.normpath(header)) directory = directory.replace('\\', '/') _, directory = directory.split('src/', 1) fd.write('\theaders { src/%s/%s } \n' % (directory, filename)) def bakefile_test_sources(fd, sources): for src in sources: (_, filename) = os.path.split(os.path.normpath(src)) fd.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.lib_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') for lib in external_libs.split(" "): f.write('libs += "%s";\n' %lib.replace('.lib', '')) 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 options.with_external_libdir: external_lib_dir = options.with_external_libdir.replace('\\', '/') # Attention: bakefile supports only relative paths f.write('libdirs += "%s";\n' %external_lib_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 ( $(config) == Release ) {\n') f.write('vs2013.option.Configuration.WholeProgramOptimization = true;\n') f.write('}\n') f.close() class CmakeGenerator(object): def __init__(self, build_paths, using_mods, cc, options, template_vars): self._build_paths = build_paths self._using_mods = using_mods self._cc = cc self._options_release = copy.deepcopy(options) self._options_release.no_optimizations = False self._options_release.with_debug_info = False self._options_debug = copy.deepcopy(options) self._options_debug.no_optimizations = True self._options_debug.with_debug_info = True self._template_vars = template_vars @staticmethod def _escape(input_str): return input_str.replace('(', '\\(').replace(')', '\\)').replace('#', '\\#').replace('$', '\\$') @staticmethod def _cmake_normalize(source): return os.path.normpath(source).replace('\\', '/') @staticmethod def _create_target_rules(sources): target = {'sources': {}, 'frameworks': set(), 'libs': set()} for source in sources: target['sources'][source] = {'isa_flags': set()} return target def _add_target_details(self, target, using_mod): libs_or_frameworks_needed = False for source_path in target['sources']: for mod_source in using_mod.source: if source_path == mod_source: libs_or_frameworks_needed = True for isa in using_mod.need_isa: isa_flag = self._cc.isa_flags_for(isa, self._template_vars['arch']) target['sources'][source_path]['isa_flags'].add(isa_flag) if libs_or_frameworks_needed: if self._options_release.os in using_mod.libs: for lib in using_mod.libs[self._options_release.os]: target['libs'].add(lib) if self._options_release.os in using_mod.frameworks: for framework in using_mod.frameworks[self._options_release.os]: target['frameworks'].add('"-framework %s"' % framework) @staticmethod def _generate_target_sources_list(fd, target_name, target): fd.write('set(%s\n' % target_name) sorted_sources = sorted(target['sources'].keys()) for source in sorted_sources: fd.write(' "${CMAKE_CURRENT_LIST_DIR}/%s"\n' % CmakeGenerator._cmake_normalize(source)) fd.write(')\n\n') @staticmethod def _generate_target_source_files_isa_properties(fd, target): sorted_sources = sorted(target['sources'].keys()) for source in sorted_sources: joined_isa_flags = ' '.join(target['sources'][source]['isa_flags']) if joined_isa_flags: fd.write('set_source_files_properties("${CMAKE_CURRENT_LIST_DIR}/%s" PROPERTIES COMPILE_FLAGS "%s")\n' % (CmakeGenerator._cmake_normalize(source), joined_isa_flags)) @staticmethod def _write_header(fd): fd.write('cmake_minimum_required(VERSION 2.8.0)\n') fd.write('project(botan)\n\n') fd.write('if(POLICY CMP0042)\n') fd.write('cmake_policy(SET CMP0042 NEW)\n') fd.write('endif()\n\n') def _write_footer(self, fd, library_link, cli_link, tests_link): fd.write('\n') fd.write('option(ENABLED_OPTIONAL_WARINIGS "If enabled more strict warning policy will be used" OFF)\n') fd.write('option(ENABLED_LTO "If enabled link time optimization will be used" OFF)\n\n') fd.write('set(COMPILER_FEATURES_RELEASE %s %s %s)\n' % (self._cc.cc_lang_flags(), self._cc.cc_compile_flags(self._options_release), self._cc.mach_abi_link_flags(self._options_release))) fd.write('set(COMPILER_FEATURES_DEBUG %s %s %s)\n' % (self._cc.cc_lang_flags(), self._cc.cc_compile_flags(self._options_debug), self._cc.mach_abi_link_flags(self._options_debug))) fd.write('set(COMPILER_FEATURES $<$>:${COMPILER_FEATURES_RELEASE}>' +' $<$:${COMPILER_FEATURES_DEBUG}>)\n') fd.write('set(SHARED_FEATURES %s)\n' % self._escape(self._template_vars['shared_flags'])) fd.write('set(STATIC_FEATURES -DBOTAN_DLL=)\n') fd.write('set(COMPILER_WARNINGS %s)\n' % self._cc.cc_warning_flags(self._options_release)) fd.write('set(COMPILER_INCLUDE_DIRS build/include build/include/external)\n') fd.write('if(ENABLED_LTO)\n') fd.write(' set(COMPILER_FEATURES ${COMPILER_FEATURES} -lto)\n') fd.write('endif()\n') fd.write('if(ENABLED_OPTIONAL_WARINIGS)\n') fd.write(' set(COMPILER_OPTIONAL_WARNINGS -Wsign-promo -Wctor-dtor-privacy -Wdeprecated -Winit-self' + ' -Wnon-virtual-dtor -Wunused-macros -Wold-style-cast -Wuninitialized)\n') fd.write('endif()\n\n') fd.write('add_library(${PROJECT_NAME} STATIC ${BOTAN_SOURCES})\n') fd.write('target_link_libraries(${PROJECT_NAME} PUBLIC %s)\n' % library_link) fd.write('target_compile_options(${PROJECT_NAME} PUBLIC ${COMPILER_WARNINGS} ${COMPILER_FEATURES}' + ' ${COMPILER_OPTIONAL_WARNINGS} PRIVATE ${STATIC_FEATURES})\n') fd.write('target_include_directories(${PROJECT_NAME} PUBLIC ${COMPILER_INCLUDE_DIRS})\n\n') fd.write('set_target_properties(${PROJECT_NAME} PROPERTIES OUTPUT_NAME ${PROJECT_NAME}-static)\n\n') fd.write('add_library(${PROJECT_NAME}_shared SHARED ${BOTAN_SOURCES})\n') fd.write('target_link_libraries(${PROJECT_NAME}_shared PUBLIC %s)\n' % library_link) fd.write('target_compile_options(${PROJECT_NAME}_shared PUBLIC ${COMPILER_WARNINGS}' + ' ${COMPILER_FEATURES} ${COMPILER_OPTIONAL_WARNINGS} PRIVATE ${SHARED_FEATURES})\n') fd.write('target_include_directories(${PROJECT_NAME}_shared PUBLIC ${COMPILER_INCLUDE_DIRS})\n') fd.write('set_target_properties(${PROJECT_NAME}_shared PROPERTIES OUTPUT_NAME ${PROJECT_NAME})\n\n') fd.write('add_executable(${PROJECT_NAME}_cli ${BOTAN_CLI})\n') fd.write('target_link_libraries(${PROJECT_NAME}_cli PRIVATE ${PROJECT_NAME}_shared %s)\n' % cli_link) fd.write('set_target_properties(${PROJECT_NAME}_cli PROPERTIES OUTPUT_NAME ${PROJECT_NAME}-cli)\n\n') fd.write('add_executable(${PROJECT_NAME}_tests ${BOTAN_TESTS})\n') fd.write('target_link_libraries(${PROJECT_NAME}_tests PRIVATE ${PROJECT_NAME}_shared %s)\n' % tests_link) fd.write('set_target_properties(${PROJECT_NAME}_tests PROPERTIES OUTPUT_NAME botan-test)\n\n') fd.write('set(GLOBAL_CONFIGURATION_FILES configure.py .gitignore news.rst readme.rst)\n') fd.write('file(GLOB_RECURSE CONFIGURATION_FILES src/configs/* )\n') fd.write('file(GLOB_RECURSE DOCUMENTATION_FILES doc/* )\n') fd.write('file(GLOB_RECURSE HEADER_FILES src/*.h )\n') fd.write('file(GLOB_RECURSE INFO_FILES src/lib/*info.txt )\n') fd.write('add_custom_target(CONFIGURATION_DUMMY SOURCES ' + '${GLOBAL_CONFIGURATION_FILES} ${CONFIGURATION_FILES} ' + '${DOCUMENTATION_FILES} ${INFO_FILES} ${HEADER_FILES})\n') def generate(self): library_target_configuration = self._create_target_rules(self._build_paths.lib_sources) tests_target_configuration = self._create_target_rules(self._build_paths.test_sources) cli_target_configuration = self._create_target_rules(self._build_paths.cli_sources) for module in self._using_mods: self._add_target_details(library_target_configuration, module) self._add_target_details(tests_target_configuration, module) self._add_target_details(cli_target_configuration, module) library_target_libs_and_frameworks = '%s %s' % ( ' '.join(library_target_configuration['frameworks']), ' '.join(library_target_configuration['libs']), ) tests_target_libs_and_frameworks = '%s %s' % ( ' '.join(tests_target_configuration['frameworks']), ' '.join(tests_target_configuration['libs']) ) cli_target_libs_and_frameworks = '%s %s' % ( ' '.join(cli_target_configuration['frameworks']), ' '.join(cli_target_configuration['libs']) ) with open('CMakeLists.txt', 'w') as f: self._write_header(f) self._generate_target_sources_list(f, 'BOTAN_SOURCES', library_target_configuration) self._generate_target_sources_list(f, 'BOTAN_CLI', cli_target_configuration) self._generate_target_sources_list(f, 'BOTAN_TESTS', tests_target_configuration) self._generate_target_source_files_isa_properties(f, library_target_configuration) self._generate_target_source_files_isa_properties(f, cli_target_configuration) self._generate_target_source_files_isa_properties(f, tests_target_configuration) self._write_footer(f, library_target_libs_and_frameworks, tests_target_libs_and_frameworks, cli_target_libs_and_frameworks) class MakefileListsGenerator(object): def __init__(self, build_paths, options, modules, cc, arch, osinfo): self._build_paths = build_paths self._options = options self._modules = modules self._cc = cc self._arch = arch self._osinfo = osinfo def _simd_implementation(self): for simd32_impl in ['sse2', 'altivec', 'neon']: if simd32_impl in self._arch.isa_extensions \ and self._cc.isa_flags_for(simd32_impl, self._arch.basename) is not None: return simd32_impl return None def _get_isa_specific_flags(self, isas): flags = set() for isa in isas: # a flagset is a string that may contain multiple command # line arguments, e.g. "-maes -mpclmul -mssse3" flagset = self._cc.isa_flags_for(isa, self._arch.basename) if flagset is None: raise UserError('Compiler %s does not support %s' % (self._cc.basename, isa)) flags.add(flagset) return flags def _isa_specific_flags(self, src): simd_impl = self._simd_implementation() if os.path.basename(src) == 'test_simd.cpp': isas = [simd_impl] if simd_impl else [] return self._get_isa_specific_flags(isas) for mod in self._modules: if src in mod.sources(): isas = mod.need_isa if 'simd' in mod.dependencies(): if simd_impl: isas.append(simd_impl) return self._get_isa_specific_flags(isas) if src.startswith('botan_all_'): isas = src.replace('botan_all_', '').replace('.cpp', '').split('_') return self._get_isa_specific_flags(isas) return set() def _fuzzer_bin_list(self, fuzzer_objs, bin_dir): for obj in fuzzer_objs: (_, name) = os.path.split(os.path.normpath(obj)) name = name.replace('.' + self._osinfo.obj_suffix, '') yield os.path.join(bin_dir, name) def _objectfile_list(self, sources, obj_dir): obj_suffix = '.' + self._osinfo.obj_suffix for src in sources: (directory, filename) = os.path.split(os.path.normpath(src)) parts = directory.split(os.sep) if 'src' in parts: parts = parts[parts.index('src')+2:] elif filename.find('botan_all') != -1: parts = [] else: raise InternalError("Unexpected file '%s/%s'" % (directory, filename)) if parts != []: # Handle src/X/X.cpp -> X.o if filename == parts[-1] + '.cpp': name = '_'.join(parts) + '.cpp' else: name = '_'.join(parts) + '_' + filename 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 = filename name = name.replace('.cpp', obj_suffix) yield os.path.join(obj_dir, name) def _build_commands(self, sources, obj_dir, objects, is_lib): """ Form snippets of makefile for building each source file """ includes = self._cc.add_include_dir_option + self._build_paths.include_dir if self._build_paths.external_headers: includes += ' ' + self._cc.add_include_dir_option + self._build_paths.external_include_dir if self._options.with_external_includedir: includes += ' ' + self._cc.add_include_dir_option + self._options.with_external_includedir is_fuzzer = obj_dir.find('fuzzer') != -1 fuzzer_link = '' if self._options.fuzzer_lib is None \ else '%s%s' % (self._cc.add_lib_option, self._options.fuzzer_lib) for (obj_file, src) in zip(objects, sources): isa_specific_flags_str = "".join([" %s" % flagset for flagset in sorted(self._isa_specific_flags(src))]) yield '%s: %s\n\t$(CXX)%s $(%s_FLAGS) %s %s %s %s$@\n' % ( obj_file, src, isa_specific_flags_str, 'LIB' if is_lib else 'EXE', includes, self._cc.compile_flags, src, self._cc.output_to_object) if is_fuzzer: fuzz_basename = os.path.basename(obj_file).replace('.' + self._osinfo.obj_suffix, '') fuzz_bin = self._build_paths.fuzzer_output_dir yield '%s: %s $(LIBRARIES)\n\t$(EXE_LINK_CMD) %s $(EXE_LINKS_TO) %s %s$@\n' % ( os.path.join(fuzz_bin, fuzz_basename), obj_file, obj_file, fuzzer_link, self._cc.output_to_object) def generate(self): out = {} targets = ['lib', 'cli', 'test'] + \ (['fuzzer'] if self._options.build_fuzzers else []) for t in targets: src_list, src_dir = self._build_paths.src_info(t) src_list.sort() objects = list(self._objectfile_list(src_list, src_dir)) obj_key = '%s_objs' % (t) out[obj_key] = makefile_list(objects) if t == 'fuzzer': out['fuzzer_bin'] = makefile_list(self._fuzzer_bin_list(objects, self._build_paths.fuzzer_output_dir)) build_key = '%s_build_cmds' % (t) out[build_key] = '\n'.join(self._build_commands(src_list, src_dir, objects, t == 'lib')) return out class HouseEccCurve(object): def __init__(self, house_curve): p = house_curve.split(",") if len(p) != 4: raise UserError('--house-curve must have 4 comma separated parameters. See --help') # 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: raise UserError('TLS curve ID not in reserved range (see RFC 4492)') self._defines = [ 'HOUSE_ECC_CURVE_NAME \"' + p[1] + '\"', 'HOUSE_ECC_CURVE_OID \"' + p[2] + '\"', 'HOUSE_ECC_CURVE_PEM ' + self._read_pem(filepath=p[0]), 'HOUSE_ECC_CURVE_TLS_ID ' + hex(curve_id), ] def defines(self): return self._defines @staticmethod def _read_pem(filepath): try: with open(filepath) as f: lines = [line.rstrip() for line in f] except IOError: raise UserError("Error reading file '%s'" % filepath) for ndx, _ in enumerate(lines): lines[ndx] = ' \"%s\"' % lines[ndx] return "\\\n" + ' \\\n'.join(lines) def create_template_vars(source_paths, build_config, options, modules, cc, arch, osinfo): #pylint: disable=too-many-locals,too-many-branches,too-many-statements """ 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 external_link_cmd(): return (' ' + cc.add_lib_dir_option + options.with_external_libdir) if options.with_external_libdir else '' def link_to(module_member_name): """ Figure out what external libraries/frameworks are needed based on selected modules """ if not (module_member_name == 'libs' or module_member_name == 'frameworks'): raise InternalError("Invalid argument") libs = set() for module in modules: for (osname, module_link_to) in getattr(module, module_member_name).items(): if osname == 'all' or osname == osinfo.basename: libs |= set(module_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(module_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 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 configure_command_line(): # Cut absolute path from main executable (e.g. configure.py or python interpreter) # to get the same result when configuring the same thing on different machines main_executable = os.path.basename(sys.argv[0]) return ' '.join([main_executable] + sys.argv[1:]) build_dir = options.with_build_dir or os.path.curdir program_suffix = options.program_suffix or osinfo.program_suffix variables = { 'version_major': Version.major(), 'version_minor': Version.minor(), 'version_patch': Version.patch(), 'version_vc_rev': Version.vc_rev(), 'abi_rev': Version.so_rev(), 'version': Version.as_string(), 'release_type': Version.release_type(), 'version_datestamp': Version.datestamp(), 'distribution_info': options.distribution_info, 'darwin_so_compat_ver': '%s.%s.0' % (Version.packed(), Version.so_rev()), 'darwin_so_current_ver': '%s.%s.%s' % (Version.packed(), Version.so_rev(), Version.patch()), 'base_dir': source_paths.base_dir, 'src_dir': source_paths.src_dir, 'doc_dir': source_paths.doc_dir, 'scripts_dir': source_paths.scripts_dir, 'python_dir': source_paths.python_dir, 'cli_exe_name': osinfo.cli_exe_name + program_suffix, 'cli_exe': os.path.join(build_dir, osinfo.cli_exe_name + program_suffix), 'test_exe': os.path.join(build_dir, 'botan-test' + program_suffix), 'lib_prefix': osinfo.lib_prefix, 'static_suffix': osinfo.static_suffix, 'libname': osinfo.library_name.format(major=Version.major(), minor=Version.minor()), 'command_line': configure_command_line(), 'local_config': read_textfile(options.local_config), 'program_suffix': program_suffix, 'prefix': 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, 'with_documentation': options.with_documentation, 'with_sphinx': options.with_sphinx, 'with_pdf': options.with_pdf, 'sphinx_config_dir': source_paths.sphinx_config_dir, 'with_doxygen': options.with_doxygen, 'out_dir': options.with_build_dir or os.path.curdir, 'build_dir': build_config.build_dir, 'doc_stamp_file': os.path.join(build_config.build_dir, 'doc.stamp'), 'makefile_path': os.path.join(build_config.build_dir, '..', 'Makefile'), 'build_static_lib': options.build_static_lib, 'build_fuzzers': options.build_fuzzers, 'build_shared_lib': options.build_shared_lib, 'build_unix_shared_lib': options.build_shared_lib and options.compiler != 'msvc', 'build_msvc_shared_lib': options.build_shared_lib and options.compiler == 'msvc', 'libobj_dir': build_config.libobj_dir, 'cliobj_dir': build_config.cliobj_dir, 'testobj_dir': build_config.testobj_dir, 'fuzzobj_dir': build_config.fuzzobj_dir, 'fuzzer_output_dir': build_config.fuzzer_output_dir if build_config.fuzzer_output_dir else '', 'doc_output_dir': build_config.doc_output_dir, 'os': options.os, 'arch': options.arch, 'submodel': options.cpu, 'innosetup_arch': innosetup_arch(options.os, options.arch), 'mp_bits': choose_mp_bits(), 'python_exe': sys.executable, 'python_version': options.python_version, 'cxx': (options.compiler_binary or cc.binary_name), 'cxx_abi_flags': cc.mach_abi_link_flags(options), 'linker': cc.linker_name or '$(CXX)', 'make_supports_phony': cc.basename != 'msvc', 'cc_lang_flags': cc.cc_lang_flags(), 'cc_compile_flags': options.cxxflags or cc.cc_compile_flags(options), 'ldflags': options.ldflags or '', 'cc_warning_flags': cc.cc_warning_flags(options), 'output_to_exe': cc.output_to_exe, '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) + external_link_cmd(), 'exe_link_cmd': cc.binary_link_command_for(osinfo.basename, options) + external_link_cmd(), 'post_link_cmd': '', 'ar_command': options.ar_command or cc.ar_command or osinfo.ar_command, 'ar_options': cc.ar_options or osinfo.ar_options, 'ar_output_to': cc.ar_output_to, 'link_to': ' '.join( [cc.add_lib_option + lib for lib in link_to('libs')] + [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': '#define BOTAN_UNSAFE_FUZZER_MODE' if options.unsafe_fuzzer_mode else '', 'fuzzer_type': '#define BOTAN_FUZZER_IS_%s' % (options.build_fuzzers.upper()) if options.build_fuzzers else '', 'mod_list': '\n'.join(sorted([m.basename for m in modules])), 'house_ecc_curve_defines': make_cpp_macros(HouseEccCurve(options.house_curve).defines()) \ if options.house_curve else '', } if options.os != 'windows': variables['botan_pkgconfig'] = os.path.join(build_config.build_dir, 'botan-%d.pc' % (Version.major())) # The name is always set because Windows build needs it variables['static_lib_name'] = '%s%s.%s' % (variables['lib_prefix'], variables['libname'], variables['static_suffix']) if options.build_shared_lib: if osinfo.soname_pattern_base != None: variables['soname_base'] = osinfo.soname_pattern_base.format(**variables) variables['shared_lib_name'] = variables['soname_base'] if osinfo.soname_pattern_abi != None: variables['soname_abi'] = osinfo.soname_pattern_abi.format(**variables) variables['shared_lib_name'] = variables['soname_abi'] if osinfo.soname_pattern_patch != None: variables['soname_patch'] = osinfo.soname_pattern_patch.format(**variables) variables['lib_link_cmd'] = variables['lib_link_cmd'].format(**variables) variables['post_link_cmd'] = osinfo.so_post_link_command.format(**variables) if options.build_shared_lib else '' lib_targets = [] if options.build_static_lib: lib_targets.append('static_lib_name') if options.build_shared_lib: lib_targets.append('shared_lib_name') variables['library_targets'] = ' '.join([os.path.join(build_dir, variables[t]) for t in lib_targets]) if options.os == 'llvm' or options.compiler == 'msvc': # llvm-link and msvc require just naming the file directly variables['link_to_botan'] = os.path.join(build_dir, variables['static_lib_name']) else: variables['link_to_botan'] = '%s%s %s%s' % (cc.add_lib_dir_option, build_dir, cc.add_lib_option, variables['libname']) variables.update(MakefileListsGenerator(build_config, options, modules, cc, arch, osinfo).generate()) return variables class ModulesChooser(object): """ Determine which modules to load based on options, target, etc """ def __init__(self, modules, module_policy, archinfo, ccinfo, cc_min_version, options): self._modules = modules self._module_policy = module_policy self._archinfo = archinfo self._ccinfo = ccinfo self._cc_min_version = cc_min_version self._options = options self._maybe_dep = set() self._to_load = set() # string to set mapping with reasons as key and modules as value self._not_using_because = collections.defaultdict(set) ModulesChooser._validate_dependencies_exist(self._modules) ModulesChooser._validate_user_selection( self._modules, self._options.enabled_modules, self._options.disabled_modules) def _check_usable(self, module, modname): if not module.compatible_os(self._options.os): self._not_using_because['incompatible OS'].add(modname) return False elif not module.compatible_compiler(self._ccinfo, self._cc_min_version, self._archinfo.basename): self._not_using_because['incompatible compiler'].add(modname) return False elif not module.compatible_cpu(self._archinfo, self._options): self._not_using_because['incompatible CPU'].add(modname) return False return True @staticmethod def _display_module_information_unused(skipped_modules): for reason in sorted(skipped_modules.keys()): disabled_mods = sorted(skipped_modules[reason]) if disabled_mods: logging.info('Skipping (%s): %s' % (reason, ' '.join(disabled_mods))) @staticmethod def _display_module_information_to_load(all_modules, modules_to_load): sorted_modules_to_load = sorted(modules_to_load) for modname in sorted_modules_to_load: if modname.startswith('simd_') and modname != 'simd_engine': logging.info('Using SIMD module ' + modname) for modname in sorted_modules_to_load: if all_modules[modname].comment: logging.info('%s: %s' % (modname, all_modules[modname].comment)) if all_modules[modname].warning: logging.warning('%s: %s' % (modname, all_modules[modname].warning)) if all_modules[modname].load_on == 'vendor': logging.info('Enabling use of external dependency %s' % modname) if sorted_modules_to_load: logging.info('Loading modules: %s', ' '.join(sorted_modules_to_load)) else: logging.error('This configuration disables every submodule and is invalid') @staticmethod def _validate_state(used_modules, unused_modules): for reason, unused_for_reason in unused_modules.items(): intersection = unused_for_reason & used_modules if intersection: raise InternalError( "Disabled modules (%s) and modules to load have common elements: %s" % (reason, intersection)) @staticmethod def _validate_dependencies_exist(modules): for module in modules.values(): module.dependencies_exist(modules) @staticmethod def _validate_user_selection(modules, enabled_modules, disabled_modules): for modname in enabled_modules: if modname not in modules: logging.error("Module not found: %s" % modname) for modname in disabled_modules: if modname not in modules: logging.warning("Disabled module not found: %s" % modname) def _handle_by_module_policy(self, modname, usable): if self._module_policy is not None: if modname in self._module_policy.required: if not usable: logging.error('Module policy requires module %s not usable on this platform' % (modname)) elif modname in self._options.disabled_modules: logging.error('Module %s was disabled but is required by policy' % (modname)) self._to_load.add(modname) return True elif modname in self._module_policy.if_available: if modname in self._options.disabled_modules: self._not_using_because['disabled by user'].add(modname) elif usable: logging.debug('Enabling optional module %s' % (modname)) self._to_load.add(modname) return True elif modname in self._module_policy.prohibited: if modname in self._options.enabled_modules: logging.error('Module %s was requested but is prohibited by policy' % (modname)) self._not_using_because['prohibited by module policy'].add(modname) return True return False @staticmethod def resolve_dependencies(available_modules, dependency_table, module, loaded_modules=None): """ Parameters - available_modules: modules to choose from. Constant. - dependency_table: module to dependencies map. Constant. - module: name of the module to resolve dependencies. Constant. - loaded_modules: modules already loaded. Defensive copy in order to not change value for caller. """ if loaded_modules is None: loaded_modules = set([]) else: loaded_modules = copy.deepcopy(loaded_modules) if module not in available_modules: return False, None loaded_modules.add(module) for dependency in dependency_table[module]: dependency_choices = set(dependency.split('|')) dependency_met = False if not set(dependency_choices).isdisjoint(loaded_modules): dependency_met = True else: possible_mods = dependency_choices.intersection(available_modules) for mod in possible_mods: ok, dependency_modules = ModulesChooser.resolve_dependencies( available_modules, dependency_table, mod, loaded_modules) if ok: dependency_met = True loaded_modules.add(mod) loaded_modules.update(dependency_modules) break if not dependency_met: return False, None return True, loaded_modules def _modules_dependency_table(self): out = {} for modname in self._modules: out[modname] = self._modules[modname].dependencies() return out def _resolve_dependencies_for_all_modules(self): available_modules = set(self._to_load) | set(self._maybe_dep) dependency_table = self._modules_dependency_table() successfully_loaded = set() for modname in self._to_load: # This will try to recusively load all dependencies of modname ok, modules = self.resolve_dependencies(available_modules, dependency_table, modname) if ok: successfully_loaded.add(modname) successfully_loaded.update(modules) else: # Skip this module pass self._not_using_because['dependency failure'].update(self._to_load - successfully_loaded) self._to_load = successfully_loaded self._maybe_dep -= successfully_loaded def _handle_by_load_on(self, module): # pylint: disable=too-many-branches modname = module.basename if module.load_on == 'never': self._not_using_because['disabled as buggy'].add(modname) elif module.load_on == 'request': if self._options.with_everything: self._to_load.add(modname) else: self._not_using_because['by request only'].add(modname) elif module.load_on == 'vendor': if self._options.with_everything: self._to_load.add(modname) else: self._not_using_because['requires external dependency'].add(modname) elif module.load_on == 'dep': self._maybe_dep.add(modname) elif module.load_on == 'always': self._to_load.add(modname) elif module.load_on == 'auto': if self._options.no_autoload or self._module_policy is not None: self._maybe_dep.add(modname) else: self._to_load.add(modname) else: logging.error('Unknown load_on %s in %s' % ( module.load_on, modname)) def choose(self): for (modname, module) in self._modules.items(): usable = self._check_usable(module, modname) module_handled = self._handle_by_module_policy(modname, usable) if module_handled: continue if modname in self._options.disabled_modules: self._not_using_because['disabled by user'].add(modname) elif usable: if modname in self._options.enabled_modules: self._to_load.add(modname) # trust the user else: self._handle_by_load_on(module) if 'compression' in self._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 self._to_load and 'bzip2' not in self._to_load and 'lzma' not in self._to_load: self._to_load.remove('compression') self._not_using_because['no enabled compression schemes'].add('compression') self._resolve_dependencies_for_all_modules() for not_a_dep in self._maybe_dep: self._not_using_because['not requested'].add(not_a_dep) ModulesChooser._validate_state(self._to_load, self._not_using_because) ModulesChooser._display_module_information_unused(self._not_using_because) ModulesChooser._display_module_information_to_load(self._modules, self._to_load) return self._to_load def choose_link_method(options): """ Choose the link method based on system availability 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 UserError('Unknown link method %s' % (method)) class AmalgamationHelper(object): # All include types may have trailing comment like e.g. '#include // IWYU pragma: export' _any_include = re.compile(r'#include <(.*)>') _botan_include = re.compile(r'#include ') # Only matches at the beginning of the line. By convention, this means that the include # is not wrapped by condition macros _unconditional_any_include = re.compile(r'^#include <(.*)>') _unconditional_std_include = re.compile(r'^#include <([^/\.]+|stddef.h)>') @staticmethod def is_any_include(cpp_source_line): match = AmalgamationHelper._any_include.search(cpp_source_line) if match: return match.group(1) else: return None @staticmethod def is_botan_include(cpp_source_line): match = AmalgamationHelper._botan_include.search(cpp_source_line) if match: return match.group(1) else: return None @staticmethod def is_unconditional_any_include(cpp_source_line): match = AmalgamationHelper._unconditional_any_include.search(cpp_source_line) if match: return match.group(1) else: return None @staticmethod def is_unconditional_std_include(cpp_source_line): match = AmalgamationHelper._unconditional_std_include.search(cpp_source_line) if match: return match.group(1) else: return None class AmalgamationHeader(object): def __init__(self, input_filepaths): self.included_already = set() self.all_std_includes = set() encoding_kwords = {} if sys.version_info[0] == 3: encoding_kwords['encoding'] = 'utf8' self.file_contents = {} for filepath in sorted(input_filepaths): try: with open(filepath, **encoding_kwords) as f: raw_content = f.readlines() contents = AmalgamationGenerator.strip_header_goop(filepath, raw_content) self.file_contents[os.path.basename(filepath)] = contents except IOError as e: logging.error('Error processing file %s for amalgamation: %s' % (filepath, 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 if name == 'botan.h': return self.included_already.add(name) if name not in self.file_contents: return for line in self.file_contents[name]: header = AmalgamationHelper.is_botan_include(line) if header: for c in self.header_contents(header): yield c else: std_header = AmalgamationHelper.is_unconditional_std_include(line) if std_header: self.all_std_includes.add(std_header) else: yield line @staticmethod def write_banner(fd): fd.write("""/* * Botan %s Amalgamation * (C) 1999-2013,2014,2015,2016 Jack Lloyd and others * * Botan is released under the Simplified BSD License (see license.txt) */ """ % (Version.as_string())) @staticmethod def _write_start_include_guard(fd, title): fd.write(""" #ifndef %s #define %s """ % (title, title)) @staticmethod def _write_end_include_guard(fd, title): fd.write("\n#endif // %s\n" % (title)) def write_to_file(self, filepath, include_guard): with open(filepath, 'w') as f: self.write_banner(f) self._write_start_include_guard(f, include_guard) f.write(self.header_includes) f.write(self.contents) self._write_end_include_guard(f, include_guard) class AmalgamationGenerator(object): filename_prefix = 'botan_all' _header_guard_pattern = re.compile('^#define BOTAN_.*_H_$') @staticmethod def strip_header_goop(header_name, header_lines): lines = copy.deepcopy(header_lines) # defensive copy: don't mutate argument start_header_guard_index = None for index, line in enumerate(lines): if AmalgamationGenerator._header_guard_pattern.match(line): start_header_guard_index = index break if start_header_guard_index is None: raise InternalError("No header guard start found in " + header_name) end_header_guard_index = None for index, line in enumerate(lines): if line == '#endif\n': end_header_guard_index = index # override with last found if end_header_guard_index is None: raise InternalError("No header guard end found in " + header_name) lines = lines[start_header_guard_index+1 : end_header_guard_index] # Strip leading and trailing empty lines while lines[0].strip() == "": lines = lines[1:] while lines[-1].strip() == "": lines = lines[0:-1] return lines def __init__(self, build_paths, modules, options): self._build_paths = build_paths self._modules = modules self._options = options def _target_for_module(self, mod): target = '' if not self._options.single_amalgamation_file: if mod.need_isa != []: target = '_'.join(sorted(mod.need_isa)) if target == 'sse2' and self._options.arch == 'x86_64': target = '' # SSE2 is always available on x86-64 if self._options.arch == 'x86_32' and 'simd' in mod.requires: target = 'sse2' return target def _isas_for_target(self, target): for mod in sorted(self._modules, key=lambda module: module.basename): # Only first module for target is considered. Does this make sense? if self._target_for_module(mod) == target: out = set() for isa in mod.need_isa: if isa == 'aesni': isa = "aes,ssse3,pclmul" elif isa == 'rdrand': isa = 'rdrnd' out.add(isa) return out # Return set such that we can also iterate over result in the NA case return set() def _generate_headers(self): pub_header_amalag = AmalgamationHeader(self._build_paths.public_headers) header_name = '%s.h' % (AmalgamationGenerator.filename_prefix) logging.info('Writing amalgamation header to %s' % (header_name)) pub_header_amalag.write_to_file(header_name, "BOTAN_AMALGAMATION_H_") internal_headers = AmalgamationHeader(self._build_paths.internal_headers) header_int_name = '%s_internal.h' % (AmalgamationGenerator.filename_prefix) logging.info('Writing amalgamation header to %s' % (header_int_name)) internal_headers.write_to_file(header_int_name, "BOTAN_AMALGAMATION_INTERNAL_H_") header_files = [header_name, header_int_name] included_in_headers = pub_header_amalag.all_std_includes | internal_headers.all_std_includes return header_files, included_in_headers def _generate_sources(self, amalgamation_headers, included_in_headers): #pylint: disable=too-many-locals,too-many-branches encoding_kwords = {} if sys.version_info[0] == 3: encoding_kwords['encoding'] = 'utf8' # target to filepath map amalgamation_sources = {} for mod in self._modules: target = self._target_for_module(mod) amalgamation_sources[target] = '%s%s.cpp' % ( AmalgamationGenerator.filename_prefix, '_' + target if target else '') # file descriptors for all `amalgamation_sources` amalgamation_files = {} for target, filepath in amalgamation_sources.items(): logging.info('Writing amalgamation source to %s' % (filepath)) amalgamation_files[target] = open(filepath, 'w', **encoding_kwords) for target, f in amalgamation_files.items(): AmalgamationHeader.write_banner(f) f.write('\n') for header in amalgamation_headers: f.write('#include "%s"\n' % (header)) f.write('\n') for isa in self._isas_for_target(target): f.write('#if defined(__GNUG__)\n') f.write('#pragma GCC target ("%s")\n' % (isa)) f.write('#endif\n') # target to include header map unconditional_headers_written = {} for target, _ in amalgamation_sources.items(): unconditional_headers_written[target] = included_in_headers.copy() for mod in sorted(self._modules, key=lambda module: module.basename): tgt = self._target_for_module(mod) for src in sorted(mod.source): with open(src, 'r', **encoding_kwords) as f: for line in f: if AmalgamationHelper.is_botan_include(line): # Botan headers are inlined in amalgamation headers continue if AmalgamationHelper.is_any_include(line) in unconditional_headers_written[tgt]: # This include (conditional or unconditional) was unconditionally added before continue amalgamation_files[tgt].write(line) unconditional_header = AmalgamationHelper.is_unconditional_any_include(line) if unconditional_header: unconditional_headers_written[tgt].add(unconditional_header) for f in amalgamation_files.values(): f.close() return set(amalgamation_sources.values()) def generate(self): amalgamation_headers, included_in_headers = self._generate_headers() amalgamation_sources = self._generate_sources(amalgamation_headers, included_in_headers) return (sorted(amalgamation_sources), sorted(amalgamation_headers)) class CompilerDetector(object): _msvc_version_source = os.path.join( os.path.dirname(os.path.realpath(__file__)), "src", "build-data", "compiler_detection", "msvc_version.c") _version_flags = { 'msvc': ['/nologo', '/EP', _msvc_version_source], 'gcc': ['-v'], 'clang': ['-v'], } _version_patterns = { 'msvc': r'^([0-9]{2})([0-9]{2})', 'gcc': r'gcc version ([0-9]+)\.([0-9]+)\.[0-9]+', 'clang': r'clang version ([0-9]+)\.([0-9])[ \.]', } def __init__(self, cc_name, cc_bin, os_name): self._cc_name = cc_name self._cc_bin = cc_bin self._os_name = os_name def get_version(self): try: cmd = self._cc_bin.split(' ') + CompilerDetector._version_flags[self._cc_name] except KeyError: logging.info("No compiler version detection available for %s" % (self._cc_name)) return None try: stdout, stderr = subprocess.Popen( cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True).communicate() cc_output = stdout + "\n" + stderr except OSError as e: logging.warning('Could not execute %s for version check: %s' % (cmd, e)) return None return self.version_from_compiler_output(cc_output) def version_from_compiler_output(self, cc_output): cc_version = None match = re.search(CompilerDetector._version_patterns[self._cc_name], cc_output, flags=re.MULTILINE) if match: major = int(match.group(1)) minor = int(match.group(2)) cc_version = "%d.%d" % (major, minor) if cc_version is None and self._cc_name == 'clang' and self._os_name in ['darwin', 'ios']: # For appleclang version >= X, return minimal clang version Y appleclang_to_clang_version = { 703: '3.8', 800: '3.9', # 802 has no support for clang 4.0 flags -Og and -MJ, 900 has. 802: '3.9', 900: '4.0', } # All appleclang versions without "based on LLVM" note are at least clang 3.7 # https://en.wikipedia.org/wiki/Xcode#Latest_versions cc_version = '3.7' match = re.search(r'Apple LLVM version [0-9\.]+ \(clang-([0-9]+)\.', cc_output) if match: user_appleclang = int(match.group(1)) for appleclang, clang in sorted(appleclang_to_clang_version.items()): if user_appleclang >= appleclang: cc_version = clang logging.info('Mapping Apple Clang version %s to LLVM version %s' % (user_appleclang, cc_version)) if not cc_version: logging.warning("Tried to get %s version, but output '%s' does not match expected version format" % ( self._cc_name, cc_output)) return cc_version 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 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) def setup_logging(options): if options.verbose: log_level = logging.DEBUG elif options.quiet: log_level = logging.WARNING else: log_level = logging.INFO lh = BotanConfigureLogHandler(sys.stdout) lh.setFormatter(logging.Formatter('%(levelname) 7s: %(message)s')) logging.getLogger().addHandler(lh) logging.getLogger().setLevel(log_level) def load_info_files(search_dir, descr, filename_matcher, class_t): info = {} def filename_matches(filename): if isinstance(filename_matcher, str): return filename == filename_matcher else: return filename_matcher.match(filename) is not None for (dirpath, _, filenames) in os.walk(search_dir): for filename in filenames: filepath = os.path.join(dirpath, filename) if filename_matches(filename): info_obj = class_t(filepath) info[info_obj.basename] = info_obj if info: infotxt_basenames = ' '.join(sorted([key for key in info])) logging.debug('Loaded %d %s files: %s' % (len(info), descr, infotxt_basenames)) else: logging.warning('Failed to load any %s files' % (descr)) return info def load_build_data_info_files(source_paths, descr, subdir, class_t): matcher = re.compile(r'[_a-z0-9]+\.txt$') return load_info_files(os.path.join(source_paths.build_data_dir, subdir), descr, matcher, class_t) # 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(directory) # This is for otions that have --with-XYZ and --without-XYZ. If user does not # set any of those, we choose a default here. # Mutates `options` def set_defaults_for_unset_options(options, info_arch, info_cc): # pylint: disable=too-many-branches if options.os is None: system_from_python = platform.system().lower() if re.match('^cygwin_.*', system_from_python): logging.debug("Converting '%s' to 'cygwin'", system_from_python) options.os = 'cygwin' else: options.os = system_from_python logging.info('Guessing target OS is %s (use --os to set)' % (options.os)) def deduce_compiler_type_from_cc_bin(cc_bin): if cc_bin.find('clang') != -1: return 'clang' if cc_bin.find('-g++') != -1: return 'gcc' return None if options.compiler is None and options.compiler_binary != None: options.compiler = deduce_compiler_type_from_cc_bin(options.compiler_binary) 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.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)) if options.with_sphinx is None and options.with_documentation is True: if have_program('sphinx-build'): logging.info('Found sphinx-build (use --without-sphinx to disable)') options.with_sphinx = True # Mutates `options` def canonicalize_options(options, info_os, info_arch): 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) # canonical ARCH/CPU cpu_from_user = options.cpu results = canon_processor(info_arch, options.cpu) if results != None: (options.arch, options.cpu) = results logging.info('Canonicalized CPU target %s to %s/%s' % ( cpu_from_user, options.arch, options.cpu)) else: raise UserError('Unknown or unidentifiable processor "%s"' % (options.cpu)) shared_libs_supported = options.os in info_os and info_os[options.os].building_shared_supported if options.build_shared_lib and not shared_libs_supported: logging.warning('Shared libs not supported on %s, disabling shared lib support' % (options.os)) options.build_shared_lib = False if options.os == 'windows' and options.build_shared_lib is None and options.build_static_lib is None: options.build_shared_lib = True if options.build_shared_lib is None: if options.os == 'windows' and options.build_static_lib: pass else: options.build_shared_lib = shared_libs_supported if options.build_static_lib is None: if options.os == 'windows' and options.build_shared_lib: pass else: options.build_static_lib = True # Set default fuzzing lib if options.build_fuzzers == 'libfuzzer' and options.fuzzer_lib is None: options.fuzzer_lib = 'Fuzzer' # Checks user options for consistency # This method DOES NOT change options on behalf of the user but explains # why the given configuration does not work. def validate_options(options, info_os, info_cc, available_module_policies): # pylint: disable=too-many-branches if options.gen_amalgamation: raise UserError("--gen-amalgamation was removed. Migrate to --amalgamation.") if options.via_amalgamation: raise UserError("--via-amalgamation was removed. Use --amalgamation instead.") if options.single_amalgamation_file and not options.amalgamation: raise UserError("--single-amalgamation-file requires --amalgamation.") if options.os == "java": raise UserError("Jython detected: need --os and --cpu to set target") if options.os not in info_os: raise UserError('Unknown OS "%s"; available options: %s' % ( options.os, ' '.join(sorted(info_os.keys())))) if options.compiler not in info_cc: raise UserError('Unknown compiler "%s"; available options: %s' % ( options.compiler, ' '.join(sorted(info_cc.keys())))) if options.cc_min_version is not None and not re.match(r'^[0-9]+\.[0-9]+$', options.cc_min_version): raise UserError("--cc-min-version must have the format MAJOR.MINOR") if options.module_policy and options.module_policy not in available_module_policies: raise UserError("Unknown module set %s" % options.module_policy) if options.destdir: raise UserError("--destdir was removed. Use the DESTDIR environment " "variable instead when calling 'make install'") if options.os == 'llvm' or options.cpu == 'llvm': if options.compiler != 'clang': raise UserError('LLVM target requires using Clang') if options.os != options.cpu: raise UserError('LLVM target requires both CPU and OS be set to llvm') if options.build_fuzzers != None: if options.build_fuzzers not in ['libfuzzer', 'afl', 'klee', 'test']: raise UserError('Bad value to --build-fuzzers') if options.build_fuzzers == 'klee' and options.os != 'llvm': raise UserError('Building for KLEE requires targeting LLVM') if options.build_static_lib is False and options.build_shared_lib is False: raise UserError('With both --disable-static-library and --disable-shared-library, nothing to do') if options.os == 'windows' and options.build_static_lib is True and options.build_shared_lib is True: raise UserError('On Windows only one of static lib and DLL can be selected') if options.with_documentation is False: if options.with_doxygen: raise UserError('Using --with-doxygen plus --without-documentation makes no sense') if options.with_sphinx: raise UserError('Using --with-sphinx plus --without-documentation makes no sense') if options.with_pdf: raise UserError('Using --with-pdf plus --without-documentation makes no sense') if options.with_pdf and not options.with_sphinx: raise UserError('Option --with-pdf requires --with-sphinx') # Warnings if options.os == 'windows' and options.compiler != 'msvc': logging.warning('The windows target is oriented towards MSVC; maybe you want cygwin or mingw') def prepare_configure_build(info_modules, source_paths, options, cc, cc_min_version, arch, osinfo, module_policy): loaded_module_names = ModulesChooser(info_modules, module_policy, arch, cc, cc_min_version, options).choose() using_mods = [info_modules[modname] for modname in loaded_module_names] build_config = BuildPaths(source_paths, options, using_mods) build_config.public_headers.append(os.path.join(build_config.build_dir, 'build.h')) template_vars = create_template_vars(source_paths, build_config, options, using_mods, cc, arch, osinfo) makefile_template = os.path.join(source_paths.build_data_dir, 'makefile.in') logging.debug('Using makefile template %s' % (makefile_template)) return using_mods, build_config, template_vars, makefile_template def calculate_cc_min_version(options, cc, osinfo): if options.cc_min_version: return options.cc_min_version else: cc_version = CompilerDetector( cc.basename, options.compiler_binary or cc.binary_name, osinfo.basename ).get_version() if cc_version: logging.info('Auto-detected compiler version %s' % (cc_version)) return cc_version else: logging.warning("Auto-detected compiler version failed. " \ "Use --cc-min-version to set manually. Falling back to version 0.0") return "0.0" def main_action_configure_build(info_modules, source_paths, options, cc, cc_min_version, arch, osinfo, module_policy): # pylint: disable=too-many-locals using_mods, build_config, template_vars, makefile_template = prepare_configure_build( info_modules, source_paths, options, cc, cc_min_version, arch, osinfo, module_policy) # Now we start writing to disk try: 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 build_dir in build_config.build_dirs(): try: robust_makedirs(build_dir) except OSError as e: if e.errno != errno.EEXIST: logging.error('Error while creating "%s": %s' % (build_dir, e)) def write_template(sink, template): with open(sink, 'w') as f: f.write(process_template(template, template_vars)) def in_build_dir(p): return os.path.join(build_config.build_dir, p) def in_build_data(p): return os.path.join(source_paths.build_data_dir, 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 'botan_pkgconfig' in template_vars: write_template(template_vars['botan_pkgconfig'], 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, visibility, directory): logging.debug('Linking %d %s header files in %s' % (len(headers), visibility, directory)) for header_file in headers: try: portable_symlink(header_file, directory, link_method) except OSError as e: if e.errno != errno.EEXIST: raise UserError('Error linking %s into %s: %s' % (header_file, directory, 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) if options.amalgamation: (amalg_cpp_files, amalg_headers) = AmalgamationGenerator(build_config, using_mods, options).generate() build_config.lib_sources = amalg_cpp_files template_vars.update(MakefileListsGenerator(build_config, options, using_mods, cc, arch, osinfo).generate()) template_vars['generated_files'] = ' '.join(amalg_cpp_files + amalg_headers) with open(os.path.join(build_config.build_dir, 'build_config.json'), 'w') as f: json.dump(template_vars, f, sort_keys=True, indent=2) if options.with_bakefile: gen_bakefile(build_config, options, template_vars['link_to']) if options.with_cmake: CmakeGenerator(build_config, using_mods, cc, options, template_vars).generate() 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 (revision %s) (%s %s) build setup is complete' % ( Version.as_string(), Version.vc_rev(), Version.release_type(), release_date(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") def main(argv): """ Main driver """ options = process_command_line(argv[1:]) setup_logging(options) source_paths = SourcePaths(os.path.dirname(argv[0])) info_modules = load_info_files(source_paths.lib_dir, 'Modules', "info.txt", ModuleInfo) if options.list_modules: for mod in sorted(info_modules.keys()): print(mod) return 0 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())) info_arch = load_build_data_info_files(source_paths, 'CPU info', 'arch', ArchInfo) info_os = load_build_data_info_files(source_paths, 'OS info', 'os', OsInfo) info_cc = load_build_data_info_files(source_paths, 'compiler info', 'cc', CompilerInfo) info_module_policies = load_build_data_info_files(source_paths, 'module policy', 'policy', ModulePolicyInfo) for mod in info_modules.values(): mod.cross_check(info_arch, info_os, info_cc) for policy in info_module_policies.values(): policy.cross_check(info_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()])))) set_defaults_for_unset_options(options, info_arch, info_cc) canonicalize_options(options, info_os, info_arch) validate_options(options, info_os, info_cc, info_module_policies) cc = info_cc[options.compiler] arch = info_arch[options.arch] osinfo = info_os[options.os] module_policy = info_module_policies[options.module_policy] if options.module_policy else None cc_min_version = calculate_cc_min_version(options, cc, osinfo) logging.info('Target is %s:%s-%s-%s-%s' % ( options.compiler, cc_min_version, options.os, options.arch, options.cpu)) main_action_configure_build(info_modules, source_paths, options, cc, cc_min_version, arch, osinfo, module_policy) return 0 if __name__ == '__main__': try: sys.exit(main(argv=sys.argv)) except UserError as e: logging.debug(traceback.format_exc()) logging.error(e) except Exception as e: # pylint: disable=broad-except # error() will stop script, so wrap all information into one call logging.error("""%s An internal error occurred. Don't panic, this is probably not your fault! Please report the entire output at https://github.com/randombit/botan or email to the mailing list https://lists.randombit.net/mailman/listinfo/botan-devel You'll meet friendly people happy to help!""" % traceback.format_exc()) sys.exit(0)