#!/usr/bin/env python """ Configuration program for botan (http://botan.randombit.net/) (C) 2009,2010,2011,2012 Jack Lloyd Distributed under the terms of the Botan license Tested with CPython 2.6, 2.7, 3.1 and PyPy 1.5 Python 2.5 works if you change the exception catching syntax: perl -pi -e 's/except (.*) as (.*):/except $1, $2:/g' configure.py Jython - Target detection does not work (use --os and --cpu) CPython 2.4 and earlier are not supported Has not been tested with IronPython """ import sys import os import os.path import platform import re import shlex import shutil import string import subprocess import logging import getpass import time import errno import optparse # Avoid useless botan_version.pyc (Python 2.6 or higher) if 'dont_write_bytecode' in sys.__dict__: sys.dont_write_bytecode = True import botan_version def flatten(l): return sum(l, []) def get_vc_revision(): try: mtn = subprocess.Popen(['mtn', 'automate', 'heads'], stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True) (stdout, stderr) = mtn.communicate() if mtn.returncode != 0: logging.debug('Error getting rev from monotone - %d (%s)' % (mtn.returncode, stderr)) return 'unknown' rev = str(stdout).strip() logging.debug('Monotone reported revision %s' % (rev)) return 'mtn:' + rev except OSError as e: logging.debug('Error getting rev from monotone - %s' % (e[1])) return 'unknown' except Exception as e: logging.debug('Error getting rev from monotone - %s' % (e)) return 'unknown' class BuildConfigurationInformation(object): """ Version information """ version_major = botan_version.release_major version_minor = botan_version.release_minor version_patch = botan_version.release_patch version_so_rev = botan_version.release_so_abi_rev version_datestamp = botan_version.release_datestamp version_vc_rev = botan_version.release_vc_rev version_string = '%d.%d.%d' % (version_major, version_minor, version_patch) """ Constructor """ def __init__(self, options, modules): if self.version_vc_rev is None: self.version_vc_rev = get_vc_revision() self.build_dir = os.path.join(options.with_build_dir, 'build') self.checkobj_dir = os.path.join(self.build_dir, 'checks') self.libobj_dir = os.path.join(self.build_dir, 'lib') self.python_dir = os.path.join(options.src_dir, 'wrap', 'python') self.boost_python = options.boost_python self.doc_output_dir = os.path.join(self.build_dir, 'docs') self.pyobject_dir = os.path.join(self.build_dir, 'python') 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.sources = sorted(flatten([mod.sources() for mod in modules])) self.internal_headers = sorted(flatten([m.internal_headers() for m in modules])) if options.via_amalgamation: self.build_sources = ['botan_all.cpp'] self.build_internal_headers = [] else: self.build_sources = self.sources self.build_internal_headers = self.internal_headers self.public_headers = sorted(flatten([m.public_headers() for m in modules])) checks_dir = os.path.join(options.base_dir, 'checks') self.check_sources = sorted( [os.path.join(checks_dir, file) for file in os.listdir(checks_dir) if file.endswith('.cpp')]) self.python_sources = sorted( [os.path.join(self.python_dir, file) for file in os.listdir(self.python_dir) if file.endswith('.cpp')]) self.manual_dir = os.path.join(self. doc_output_dir, 'manual') def build_doc_commands(): yield '$(COPY) readme.txt %s' % (self.doc_output_dir) if options.with_sphinx: yield 'sphinx-build $(SPHINX_OPTS) -b html doc %s' % ( self.manual_dir) else: yield '$(COPY) doc/*.txt %s' % (self.manual_dir) if options.with_doxygen: yield 'doxygen %s/botan.doxy' % (self.build_dir) self.build_doc_commands = '\n'.join(['\t' + s for s in build_doc_commands()]) def build_dirs(): yield self.checkobj_dir yield self.libobj_dir yield self.botan_include_dir yield self.internal_include_dir yield os.path.join(self.doc_output_dir, 'manual') if options.with_doxygen: yield os.path.join(self.doc_output_dir, 'doxygen') if self.boost_python: yield self.pyobject_dir self.build_dirs = list(build_dirs()) def pkg_config_file(self): return 'botan-%d.%d.pc' % (self.version_major, self.version_minor) def config_shell_script(self): return 'botan-config-%d.%d' % (self.version_major, self.version_minor) def username(self): return getpass.getuser() def hostname(self): return platform.node() def timestamp(self): return time.ctime() """ Handle command line options """ def process_command_line(args): parser = optparse.OptionParser( formatter = optparse.IndentedHelpFormatter(max_help_position = 50), version = BuildConfigurationInformation.version_string) parser.add_option('--verbose', action='store_true', default=False, help='Show debug messages') parser.add_option('--quiet', action='store_true', default=False, help='Show only warnings and errors') target_group = optparse.OptionGroup(parser, 'Target options') target_group.add_option('--cpu', help='set the target processor type/model') target_group.add_option('--os', help='set the target operating system') target_group.add_option('--cc', dest='compiler', help='set the desired build compiler') target_group.add_option('--cc-bin', dest='compiler_binary', metavar='BINARY', help='set the name of the compiler binary') target_group.add_option('--with-endian', metavar='ORDER', default=None, help='override guess of CPU byte order') target_group.add_option('--with-unaligned-mem', dest='unaligned_mem', action='store_true', default=None, help='enable unaligned memory accesses') target_group.add_option('--without-unaligned-mem', dest='unaligned_mem', action='store_false', help=optparse.SUPPRESS_HELP) for isa_extn_name in ['SSE2', 'SSSE3', 'AltiVec', 'AES-NI', 'movbe']: isa_extn = isa_extn_name.lower() target_group.add_option('--enable-%s' % (isa_extn), help='enable use of %s' % (isa_extn_name), action='append_const', const=isa_extn, dest='enable_isa_extns') target_group.add_option('--disable-%s' % (isa_extn), help=optparse.SUPPRESS_HELP, action='append_const', const=isa_extn, dest='disable_isa_extns') build_group = optparse.OptionGroup(parser, 'Build options') build_group.add_option('--enable-shared', dest='build_shared_lib', action='store_true', default=True, help=optparse.SUPPRESS_HELP) build_group.add_option('--disable-shared', dest='build_shared_lib', action='store_false', help='disable building a shared library') build_group.add_option('--enable-asm', dest='asm_ok', action='store_true', default=True, help=optparse.SUPPRESS_HELP) build_group.add_option('--disable-asm', dest='asm_ok', action='store_false', help='disallow use of assembler') build_group.add_option('--enable-debug', dest='debug_build', action='store_true', default=False, help='enable debug build') build_group.add_option('--disable-debug', dest='debug_build', action='store_false', help=optparse.SUPPRESS_HELP) build_group.add_option('--no-optimizations', dest='no_optimizations', action='store_true', default=False, help=optparse.SUPPRESS_HELP) build_group.add_option('--gen-amalgamation', dest='gen_amalgamation', default=False, action='store_true', help='generate amalgamation files') build_group.add_option('--via-amalgamation', dest='via_amalgamation', default=False, action='store_true', help='build via amalgamation') build_group.add_option('--with-build-dir', metavar='DIR', default='', help='setup the build in DIR') build_group.add_option('--makefile-style', metavar='STYLE', default=None, help='choose a makefile style (unix or nmake)') 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='set distribution specific versioning', default='unspecified') build_group.add_option('--with-sphinx', action='store_true', default=None, help='Use Sphinx to generate HTML manual') build_group.add_option('--without-sphinx', action='store_false', dest='with_sphinx', help=optparse.SUPPRESS_HELP) build_group.add_option('--with-visibility', action='store_true', default=None, help=optparse.SUPPRESS_HELP) build_group.add_option('--without-visibility', action='store_false', dest='with_visibility', help=optparse.SUPPRESS_HELP) build_group.add_option('--with-doxygen', action='store_true', default=False, help='Use Doxygen to generate HTML API docs') build_group.add_option('--without-doxygen', action='store_false', dest='with_doxygen', help=optparse.SUPPRESS_HELP) build_group.add_option('--maintainer-mode', dest='maintainer_mode', action='store_true', default=False, help=optparse.SUPPRESS_HELP) build_group.add_option('--dirty-tree', dest='clean_build_tree', action='store_false', default=True, help=optparse.SUPPRESS_HELP) build_group.add_option('--link-method', default=None, help=optparse.SUPPRESS_HELP) wrapper_group = optparse.OptionGroup(parser, 'Wrapper options') wrapper_group.add_option('--with-boost-python', dest='boost_python', default=False, action='store_true', help='enable Boost.Python wrapper') wrapper_group.add_option('--without-boost-python', dest='boost_python', action='store_false', help=optparse.SUPPRESS_HELP) wrapper_group.add_option('--with-python-version', dest='python_version', metavar='N.M', default='.'.join(map(str, sys.version_info[0:2])), help='specify Python to build against (eg %default)') mods_group = optparse.OptionGroup(parser, 'Module selection') 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('--no-autoload', action='store_true', default=False, help='disable automatic loading') for lib in ['OpenSSL', 'GNU MP', 'Bzip2', 'Zlib']: mod = lib.lower().replace(' ', '') mods_group.add_option('--with-%s' % (mod), help='add support for using %s' % (lib), 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') install_group = optparse.OptionGroup(parser, 'Installation options') install_group.add_option('--prefix', metavar='DIR', help='set the base install directory') install_group.add_option('--docdir', metavar='DIR', help='set the documentation install directory') install_group.add_option('--libdir', metavar='DIR', help='set the library install directory') install_group.add_option('--includedir', metavar='DIR', help='set the include file install directory') parser.add_option_group(target_group) parser.add_option_group(build_group) parser.add_option_group(mods_group) parser.add_option_group(wrapper_group) parser.add_option_group(install_group) # These exist only for autoconf compatability (requested by zw for mtn) compat_with_autoconf_options = [ 'bindir', '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 Exception('Unhandled option(s): ' + ' '.join(args)) if options.with_endian != None and \ options.with_endian not in ['little', 'big']: raise Exception('Bad value to --with-endian "%s"' % ( options.with_endian)) 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.enable_isa_extns = parse_multiple_enable(options.enable_isa_extns) options.disable_isa_extns = parse_multiple_enable(options.disable_isa_extns) def enabled_or_disabled_isa(isa): if isa in options.enable_isa_extns: return True if isa in options.disable_isa_extns: return True return False isa_deps = { 'ssse3': 'sse2', 'aes-ni': 'sse2' } if 'sse2' in options.disable_isa_extns: for isa in [k for (k,v) in isa_deps.items() if v == 'sse2']: # If explicitly enabled, allow it even if a dependency # violation; trust the user to know what they want if not enabled_or_disabled_isa(isa): options.disable_isa_extns.append(isa) for isa in options.enable_isa_extns: if isa in isa_deps: for dep in isa_deps.get(isa, '').split(','): if not enabled_or_disabled_isa(dep): options.enable_isa_extns.append(dep) return options """ Generic lexer function for info.txt and src/build-data files """ def lex_me_harder(infofile, to_obj, allowed_groups, name_val_pairs): # Format as a nameable Python variable def py_var(group): return group.replace(':', '_') class LexerError(Exception): def __init__(self, msg, line): self.msg = msg self.line = line def __str__(self): return '%s at %s:%d' % (self.msg, infofile, self.line) (dirname, basename) = os.path.split(infofile) to_obj.lives_in = dirname if basename == 'info.txt': (obj_dir,to_obj.basename) = os.path.split(dirname) if os.access(os.path.join(obj_dir, 'info.txt'), os.R_OK): to_obj.parent_module = os.path.basename(obj_dir) else: to_obj.parent_module = None else: to_obj.basename = basename.replace('.txt', '') lexer = shlex.shlex(open(infofile), infofile, posix=True) lexer.wordchars += '|:.<>/,-!+' # handle various funky chars in info.txt for group in allowed_groups: to_obj.__dict__[py_var(group)] = [] for (key,val) in name_val_pairs.items(): to_obj.__dict__[key] = val def lexed_tokens(): # Convert to an interator token = lexer.get_token() while token != None: yield token token = lexer.get_token() for token in lexed_tokens(): match = re.match('<(.*)>', token) # Check for a grouping if match is not None: group = match.group(1) if group not in allowed_groups: raise LexerError('Unknown group "%s"' % (group), lexer.lineno) end_marker = '' token = lexer.get_token() while token != end_marker: to_obj.__dict__[py_var(group)].append(token) token = lexer.get_token() if token is None: raise LexerError('Group "%s" not terminated' % (group), lexer.lineno) elif token in name_val_pairs.keys(): next_val = lexer.get_token() if type(to_obj.__dict__[token]) is list: to_obj.__dict__[token].append(next_val) else: to_obj.__dict__[token] = next_val else: # No match -> error raise LexerError('Bad token "%s"' % (token), lexer.lineno) """ Convert a lex'ed map (from build-data files) from a list to a dict """ def force_to_dict(l): return dict(zip(l[::3],l[2::3])) """ Represents the information about a particular module """ class ModuleInfo(object): def __init__(self, infofile): lex_me_harder(infofile, self, ['source', 'header:internal', 'header:public', 'requires', 'os', 'arch', 'cc', 'libs', 'comment'], { 'load_on': 'auto', 'define': [], 'need_isa': None, 'mp_bits': 0 }) def extract_files_matching(basedir, suffixes): for (dirpath, dirnames, filenames) in os.walk(basedir): if dirpath == basedir: for filename in filenames: if filename.startswith('.'): continue for suffix in suffixes: if filename.endswith(suffix): yield filename if self.source == []: self.source = list(extract_files_matching(self.lives_in, ['.cpp', '.S'])) if self.header_internal == [] and self.header_public == []: self.header_public = list(extract_files_matching(self.lives_in, ['.h'])) # Coerce to more useful types def convert_lib_list(l): result = {} for (targetlist, vallist) in zip(l[::3], l[2::3]): vals = vallist.split(',') for target in targetlist.split(','): result[target] = result.setdefault(target, []) + vals return result self.libs = convert_lib_list(self.libs) def add_dir_name(filename): if filename.count(':') == 0: return os.path.join(self.lives_in, filename) # modules can request to add files of the form # MODULE_NAME:FILE_NAME to add a file from another module # For these, assume other module is always in a # neighboring directory; this is true for all current uses return os.path.join(os.path.split(self.lives_in)[0], *filename.split(':')) self.source = [add_dir_name(s) for s in self.source] self.header_internal = [add_dir_name(s) for s in self.header_internal] self.header_public = [add_dir_name(s) for s in self.header_public] self.mp_bits = int(self.mp_bits) if self.comment != []: self.comment = ' '.join(self.comment) else: self.comment = None def sources(self): return self.source def public_headers(self): return self.header_public def internal_headers(self): return self.header_internal def defines(self): return ['HAS_' + d for d in self.define] def compatible_cpu(self, archinfo, options): arch_name = archinfo.basename cpu_name = options.cpu if self.arch != []: if arch_name not in self.arch and cpu_name not in self.arch: return False if self.need_isa != None: if self.need_isa in options.disable_isa_extns: return False # explicitly disabled if self.need_isa in options.enable_isa_extns: return True # explicitly enabled # Default to whatever the CPU is supposed to support return self.need_isa in archinfo.isa_extensions_in(cpu_name) return True def compatible_os(self, os): return self.os == [] or os in self.os def compatible_compiler(self, cc): return self.cc == [] or cc in self.cc def dependencies(self): # utils is an implicit dep (contains types, etc) deps = self.requires + ['utils'] if self.parent_module != None: deps.append(self.parent_module) return deps """ Ensure that all dependencies of this module actually exist, warning about any that do not """ def dependencies_exist(self, modules): 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.warn("Module '%s', dep of '%s', does not exist" % ( missing, self.basename)) def __cmp__(self, other): if self.basename < other.basename: return -1 if self.basename == other.basename: return 0 return 1 class ArchInfo(object): def __init__(self, infofile): lex_me_harder(infofile, self, ['aliases', 'submodels', 'submodel_aliases', 'isa_extn'], { 'endian': None, 'family': None, 'unaligned': 'no' }) def convert_isa_list(input): isa_info = {} for line in self.isa_extn: (isa,cpus) = line.split(':') for cpu in cpus.split(','): isa_info.setdefault(cpu, []).append(isa) return isa_info self.isa_extn = convert_isa_list(self.isa_extn) self.submodel_aliases = force_to_dict(self.submodel_aliases) self.unaligned_ok = (1 if self.unaligned == 'ok' else 0) """ Return ISA extensions specific to this CPU """ def isa_extensions_in(self, cpu_type): return sorted(self.isa_extn.get(cpu_type, []) + self.isa_extn.get('all', [])) """ Return a list of all submodels for this arch, ordered longest to shortest """ def all_submodels(self): 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) """ Return CPU-specific defines for build.h """ def defines(self, options): def form_macro(cpu_name): return cpu_name.upper().replace('.', '').replace('-', '_') macros = ['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_in(options.cpu) + options.enable_isa_extns) disabled_isas = set(options.disable_isa_extns) isa_extensions = sorted(enabled_isas - disabled_isas) for isa in isa_extensions: macros.append('TARGET_CPU_HAS_%s' % (form_macro(isa))) endian = options.with_endian or self.endian if endian != None: macros.append('TARGET_CPU_IS_%s_ENDIAN' % (endian.upper())) logging.info('Assuming CPU is %s endian' % (endian)) unaligned_ok = options.unaligned_mem if unaligned_ok is None: unaligned_ok = self.unaligned_ok if unaligned_ok: logging.info('Assuming unaligned memory access works') if self.family is not None: macros.append('TARGET_CPU_IS_%s_FAMILY' % (self.family.upper())) macros.append('TARGET_UNALIGNED_MEMORY_ACCESS_OK %d' % (unaligned_ok)) return macros class CompilerInfo(object): def __init__(self, infofile): lex_me_harder(infofile, self, ['so_link_flags', 'mach_opt', 'mach_abi_linking'], { 'binary_name': None, 'macro_name': None, 'compile_option': '-c ', 'output_to_option': '-o ', 'add_include_dir_option': '-I', 'add_lib_dir_option': '-L', 'add_lib_option': '-l', 'lib_opt_flags': '', 'check_opt_flags': '', 'debug_flags': '', 'no_debug_flags': '', 'shared_flags': '', 'lang_flags': '', 'warning_flags': '', 'maintainer_warning_flags': '', 'visibility_build_flags': '', 'visibility_attribute': '', 'ar_command': None, 'makefile_style': '' }) self.so_link_flags = force_to_dict(self.so_link_flags) self.mach_abi_linking = force_to_dict(self.mach_abi_linking) self.mach_opt_flags = {} while self.mach_opt != []: proc = self.mach_opt.pop(0) if self.mach_opt.pop(0) != '->': raise Exception('Parsing err in %s mach_opt' % (self.basename)) flags = self.mach_opt.pop(0) regex = '' if len(self.mach_opt) > 0 and \ (len(self.mach_opt) == 1 or self.mach_opt[1] != '->'): regex = self.mach_opt.pop(0) self.mach_opt_flags[proc] = (flags,regex) del self.mach_opt """ Return the shared library build flags, if any """ def gen_shared_flags(self, options): def flag_builder(): if options.build_shared_lib: yield self.shared_flags if options.with_visibility: yield self.visibility_build_flags return ' '.join(list(flag_builder())) def gen_visibility_attribute(self, options): if options.build_shared_lib and options.with_visibility: return self.visibility_attribute return '' """ Return the machine specific ABI flags """ def mach_abi_link_flags(self, osname, arch, submodel, debug_p): def all(): if debug_p: return 'all-debug' return 'all' abi_link = set() for what in [all(), osname, arch, submodel]: if self.mach_abi_linking.get(what) != None: abi_link.add(self.mach_abi_linking.get(what)) if len(abi_link) == 0: return '' return ' ' + ' '.join(abi_link) """ Return the flags for MACH_OPT """ def mach_opts(self, arch, submodel): def submodel_fixup(tup): return tup[0].replace('SUBMODEL', submodel.replace(tup[1], '')) if submodel == arch: return '' if submodel in self.mach_opt_flags: return submodel_fixup(self.mach_opt_flags[submodel]) if arch in self.mach_opt_flags: return submodel_fixup(self.mach_opt_flags[arch]) return '' """ Return the flags for LIB_OPT """ def library_opt_flags(self, options): def gen_flags(): if options.debug_build: yield self.debug_flags if not options.no_optimizations: yield self.lib_opt_flags if not options.debug_build: yield self.no_debug_flags return (' '.join(gen_flags())).strip() """ Return the command needed to link a shared object """ def so_link_command_for(self, osname): if osname in self.so_link_flags: return self.so_link_flags[osname] if 'default' in self.so_link_flags: return self.so_link_flags['default'] return '' """ Return defines for build.h """ def defines(self): return ['BUILD_COMPILER_IS_' + self.macro_name] class OsInfo(object): def __init__(self, infofile): lex_me_harder(infofile, self, ['aliases', 'target_features'], { 'os_type': None, 'obj_suffix': 'o', 'so_suffix': 'so', 'static_suffix': 'a', 'ar_command': 'ar crs', 'ar_needs_ranlib': False, 'install_root': '/usr/local', 'header_dir': 'include', 'lib_dir': 'lib', 'doc_dir': 'share/doc', 'build_shared': 'yes', 'install_cmd_data': 'install -m 644', 'install_cmd_exec': 'install -m 755' }) self.ar_needs_ranlib = bool(self.ar_needs_ranlib) self.build_shared = (True if self.build_shared == 'yes' else False) def ranlib_command(self): return ('ranlib' if self.ar_needs_ranlib else 'true') def defines(self): return ['TARGET_OS_IS_%s' % (self.basename.upper())] + \ ['TARGET_OS_HAS_' + feat.upper() for feat in sorted(self.target_features)] 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) logging.debug('Known CPU names: ' + ' '.join( sorted(flatten([[ainfo.basename] + \ ainfo.aliases + \ [x for (x,_) in ainfo.all_submodels()] for ainfo in archinfo.values()])))) raise Exception('Unknown or unidentifiable processor "%s"' % (proc)) def guess_processor(archinfo): base_proc = platform.machine() if base_proc == '': raise Exception('Could not determine target CPU; set with --cpu') full_proc = fixup_proc_name(platform.processor()) or base_proc for ainfo in archinfo.values(): if ainfo.basename == base_proc or base_proc in ainfo.aliases: for (match,submodel) in ainfo.all_submodels(): if re.search(match, full_proc) != None: return (ainfo.basename, submodel) return canon_processor(archinfo, ainfo.basename) # No matches, so just use the base proc type return canon_processor(archinfo, base_proc) """ Read a whole file into memory as a string """ def slurp_file(filename): if filename is None: return '' return ''.join(open(filename).readlines()) """ Perform template substitution """ def process_template(template_file, variables): class PercentSignTemplate(string.Template): delimiter = '%' try: template = PercentSignTemplate(slurp_file(template_file)) return template.substitute(variables) except KeyError as e: raise Exception('Unbound var %s in template %s' % (e, template_file)) """ Create the template variables needed to process the makefile, build.h, etc """ def create_template_vars(build_config, options, modules, cc, arch, osinfo): def make_cpp_macros(macros): return '\n'.join(['#define BOTAN_' + macro for macro in macros]) """ Figure out what external libraries are needed based on selected modules """ def link_to(): libs = set() for module in modules: for (osname,link_to) in module.libs.items(): if osname == 'all' or osname == osinfo.basename: libs |= set(link_to) else: match = re.match('^all!(.*)', osname) if match is not None: exceptions = match.group(1).split(',') if osinfo.basename not in exceptions: libs |= set(link_to) return sorted(libs) def objectfile_list(sources, obj_dir): for src in sources: (dir,file) = os.path.split(os.path.normpath(src)) if dir.startswith('src'): parts = dir.split(os.sep)[1:] # Handle src/X/X.cpp -> X.o if file == parts[-1] + '.cpp': name = '_'.join(dir.split(os.sep)[1:]) + '.cpp' else: name = '_'.join(dir.split(os.sep)[1:]) + '_' + file # Special case hack cause I'm lazy name = name.replace('tls_tls_', 'tls_') else: name = file for src_suffix in ['.cpp', '.S']: name = name.replace(src_suffix, '.' + osinfo.obj_suffix) yield os.path.join(obj_dir, name) def choose_mp_bits(): mp_bits = [mod.mp_bits for mod in modules if mod.mp_bits != 0] if mp_bits == []: return 32 # default # Check that settings are consistent across modules for mp_bit in mp_bits[1:]: if mp_bit != mp_bits[0]: raise Exception('Incompatible mp_bits settings found') return mp_bits[0] """ Form snippets of makefile for building each source file """ def build_commands(sources, obj_dir, flags): for (obj_file,src) in zip(objectfile_list(sources, obj_dir), sources): yield '%s: %s\n\t$(CXX) %s%s $(%s_FLAGS) %s$? %s$@\n' % ( obj_file, src, cc.add_include_dir_option, build_config.include_dir, flags, cc.compile_option, cc.output_to_option) def makefile_list(items): items = list(items) # force evaluation so we can slice it return (' '*16).join([item + ' \\\n' for item in items[:-1]] + [items[-1]]) def prefix_with_build_dir(path): if options.with_build_dir != None: return os.path.join(options.with_build_dir, path) return path def warning_flags(normal_flags, maintainer_flags, maintainer_mode): if maintainer_mode and maintainer_flags != '': return maintainer_flags return normal_flags return { 'version_major': build_config.version_major, 'version_minor': build_config.version_minor, 'version_patch': build_config.version_patch, 'version_vc_rev': build_config.version_vc_rev, 'so_abi_rev': build_config.version_so_rev, 'version': build_config.version_string, 'distribution_info': options.distribution_info, 'version_datestamp': build_config.version_datestamp, 'timestamp': build_config.timestamp(), 'user': build_config.username(), 'hostname': build_config.hostname(), 'command_line': ' '.join(sys.argv), 'local_config': slurp_file(options.local_config), 'makefile_style': options.makefile_style or cc.makefile_style, 'makefile_path': prefix_with_build_dir('Makefile'), 'prefix': options.prefix or osinfo.install_root, 'libdir': options.libdir or osinfo.lib_dir, 'includedir': options.includedir or osinfo.header_dir, 'docdir': options.docdir or osinfo.doc_dir, 'build_dir': build_config.build_dir, 'doc_output_dir': build_config.doc_output_dir, 'build_doc_commands': build_config.build_doc_commands, 'python_dir': build_config.python_dir, 'os': options.os, 'arch': options.arch, 'submodel': options.cpu, 'mp_bits': choose_mp_bits(), 'cc': (options.compiler_binary or cc.binary_name) + cc.mach_abi_link_flags(options.os, options.arch, options.cpu, options.debug_build), 'lib_opt': cc.library_opt_flags(options), 'mach_opt': cc.mach_opts(options.arch, options.cpu), 'check_opt': '' if options.no_optimizations else cc.check_opt_flags, 'lang_flags': cc.lang_flags, 'warn_flags': warning_flags(cc.warning_flags, cc.maintainer_warning_flags, options.maintainer_mode), 'shared_flags': cc.gen_shared_flags(options), 'visibility_attribute': cc.gen_visibility_attribute(options), 'so_link': cc.so_link_command_for(osinfo.basename), 'link_to': ' '.join([cc.add_lib_option + lib for lib in link_to()]), 'module_defines': make_cpp_macros(sorted(flatten([m.defines() for m in modules]))), 'target_os_defines': make_cpp_macros(osinfo.defines()), 'target_compiler_defines': make_cpp_macros(cc.defines()), 'target_cpu_defines': make_cpp_macros(arch.defines(options)), 'include_files': makefile_list(build_config.public_headers), 'lib_objs': makefile_list( objectfile_list(build_config.build_sources, build_config.libobj_dir)), 'check_objs': makefile_list( objectfile_list(build_config.check_sources, build_config.checkobj_dir)), 'lib_build_cmds': '\n'.join( build_commands(build_config.build_sources, build_config.libobj_dir, 'LIB')), 'check_build_cmds': '\n'.join( build_commands(build_config.check_sources, build_config.checkobj_dir, 'CHECK')), 'python_obj_dir': build_config.pyobject_dir, 'python_objs': makefile_list( objectfile_list(build_config.python_sources, build_config.pyobject_dir)), 'python_build_cmds': '\n'.join( build_commands(build_config.python_sources, build_config.pyobject_dir, 'PYTHON')), 'ar_command': cc.ar_command or osinfo.ar_command, 'ranlib_command': osinfo.ranlib_command(), 'install_cmd_exec': osinfo.install_cmd_exec, 'install_cmd_data': osinfo.install_cmd_data, 'check_prefix': prefix_with_build_dir(''), 'lib_prefix': prefix_with_build_dir(''), 'static_suffix': osinfo.static_suffix, 'so_suffix': osinfo.so_suffix, 'botan_config': prefix_with_build_dir( os.path.join(build_config.build_dir, build_config.config_shell_script())), 'botan_pkgconfig': prefix_with_build_dir( os.path.join(build_config.build_dir, build_config.pkg_config_file())), 'mod_list': '\n'.join(sorted([m.basename for m in modules])), 'python_version': options.python_version } """ Determine which modules to load based on options, target, etc """ def choose_modules_to_use(modules, archinfo, options): for mod in modules.values(): mod.dependencies_exist(modules) to_load = [] maybe_dep = [] not_using_because = {} def cannot_use_because(mod, reason): not_using_because.setdefault(reason, []).append(mod) for modname in options.enabled_modules: if modname not in modules: logging.warning("Unknown enabled module %s" % (modname)) for modname in options.disabled_modules: if modname not in modules: logging.warning("Unknown disabled module %s" % (modname)) for (modname, module) in modules.items(): if modname in options.disabled_modules: cannot_use_because(modname, 'disabled by user') elif modname in options.enabled_modules: to_load.append(modname) # trust the user elif not module.compatible_os(options.os): cannot_use_because(modname, 'incompatible OS') elif not module.compatible_compiler(options.compiler): cannot_use_because(modname, 'incompatible compiler') elif not module.compatible_cpu(archinfo, options): cannot_use_because(modname, 'incompatible CPU') else: if module.load_on == 'never': cannot_use_because(modname, 'disabled as buggy') elif module.load_on == 'request': cannot_use_because(modname, 'by request only') elif module.load_on == 'dep': maybe_dep.append(modname) elif module.load_on == 'always': to_load.append(modname) elif module.load_on == 'asm_ok': if options.asm_ok: if options.no_autoload: maybe_dep.append(modname) else: to_load.append(modname) else: cannot_use_because(modname, 'uses assembly and --disable-asm set') elif module.load_on == 'auto': if options.no_autoload: maybe_dep.append(modname) else: to_load.append(modname) else: logging.warning('Unknown load_on %s in %s' % ( module.load_on, modname)) dependency_failure = True while dependency_failure: dependency_failure = False for modname in to_load: for deplist in [s.split('|') for s in modules[modname].dependencies()]: dep_met = False for mod in deplist: if dep_met is True: break if mod in to_load: dep_met = True elif mod in maybe_dep: maybe_dep.remove(mod) to_load.append(mod) dep_met = True if dep_met == False: dependency_failure = True if modname in to_load: to_load.remove(modname) if modname in maybe_dep: maybe_dep.remove(modname) cannot_use_because(modname, 'dependency failure') for not_a_dep in maybe_dep: cannot_use_because(not_a_dep, 'loaded only if needed by dependency') for reason in sorted(not_using_because.keys()): disabled_mods = sorted(set([mod for mod in not_using_because[reason]])) if disabled_mods != []: logging.info('Skipping, %s - %s' % ( reason, ' '.join(disabled_mods))) for mod in sorted(to_load): if mod.startswith('mp_'): logging.info('Using MP module ' + mod) if mod.startswith('simd_') and mod != 'simd_engine': logging.info('Using SIMD module ' + mod) if modules[mod].comment: logging.info('%s: %s' % (mod, modules[mod].comment)) logging.debug('Loading modules %s', ' '.join(sorted(to_load))) return [modules[mod] for mod in to_load] """ Load the info files about modules, targets, etc """ def load_info_files(options): def find_files_named(desired_name, in_path): for (dirpath, dirnames, filenames) in os.walk(in_path): if desired_name in filenames: yield os.path.join(dirpath, desired_name) modules = dict([(mod.basename, mod) for mod in [ModuleInfo(info) for info in find_files_named('info.txt', options.src_dir)]]) def list_files_in_build_data(subdir): for (dirpath, dirnames, filenames) in \ os.walk(os.path.join(options.build_data, subdir)): for filename in filenames: if filename.endswith('.txt'): yield os.path.join(dirpath, filename) def form_name(filepath): return os.path.basename(filepath).replace('.txt', '') archinfo = dict([(form_name(info), ArchInfo(info)) for info in list_files_in_build_data('arch')]) osinfo = dict([(form_name(info), OsInfo(info)) for info in list_files_in_build_data('os')]) ccinfo = dict([(form_name(info), CompilerInfo(info)) for info in list_files_in_build_data('cc')]) def info_file_load_report(type, num): if num > 0: logging.debug('Loaded %d %s info files' % (num, type)) else: logging.warning('Failed to load any %s info files' % (type)) info_file_load_report('CPU', len(archinfo)); info_file_load_report('OS', len(osinfo)) info_file_load_report('compiler', len(ccinfo)) return (modules, archinfo, ccinfo, osinfo) """ Perform the filesystem operations needed to setup the build """ def setup_build(build_config, options, template_vars): """ Choose the link method based on system availablity and user request """ def choose_link_method(req_method): def useable_methods(): if 'symlink' in os.__dict__: yield 'symlink' if 'link' in os.__dict__: yield 'hardlink' yield 'copy' for method in useable_methods(): if req_method is None or req_method == method: return method logging.info('Could not use requested link method %s' % (req_method)) return 'copy' """ Copy or link the file, depending on what the platform offers """ def portable_symlink(filename, target_dir, method): if not os.access(filename, os.R_OK): logging.warning('Missing file %s' % (filename)) return if method == 'symlink': def count_dirs(dir, accum = 0): if dir in ['', '/', os.path.curdir]: return accum (dir,basename) = os.path.split(dir) return accum + 1 + count_dirs(dir) dirs_up = count_dirs(target_dir) source = os.path.join(os.path.join(*[os.path.pardir]*dirs_up), filename) target = os.path.join(target_dir, os.path.basename(filename)) os.symlink(source, target) elif method == 'hardlink': os.link(filename, os.path.join(target_dir, os.path.basename(filename))) elif method == 'copy': shutil.copy(filename, target_dir) else: raise Exception('Unknown link method %s' % (method)) def choose_makefile_template(style): if style == 'nmake': return 'nmake.in' elif style == 'unix': return ('unix_shr.in' if options.build_shared_lib else 'unix.in') else: raise Exception('Unknown makefile style "%s"' % (style)) # First delete the build tree, if existing try: if options.clean_build_tree: shutil.rmtree(build_config.build_dir) except OSError as e: if e.errno != errno.ENOENT: logging.error('Problem while removing build dir: %s' % (e)) for dir in build_config.build_dirs: try: os.makedirs(dir) except OSError as e: if e.errno != errno.EEXIST: logging.error('Error while creating "%s": %s' % (dir, e)) makefile_template = os.path.join( options.makefile_dir, choose_makefile_template(template_vars['makefile_style'])) logging.debug('Using makefile template %s' % (makefile_template)) templates_to_proc = { makefile_template: template_vars['makefile_path'] } def templates_to_use(): yield (options.build_data, 'buildh.in', 'build.h') yield (options.build_data, 'botan.doxy.in', 'botan.doxy') if options.os != 'windows': yield (options.build_data, 'botan.pc.in', build_config.pkg_config_file()) yield (options.build_data, 'botan-config.in', build_config.config_shell_script()) if options.os == 'windows': yield (options.build_data, 'innosetup.in', 'botan.iss') if options.boost_python: yield (options.makefile_dir, 'python.in', 'Makefile.python') for (template_dir, template, sink) in templates_to_use(): source = os.path.join(template_dir, template) if template_dir == options.build_data: sink = os.path.join(build_config.build_dir, sink) templates_to_proc[source] = sink for (template, sink) in templates_to_proc.items(): try: f = open(sink, 'w') f.write(process_template(template, template_vars)) finally: f.close() link_method = choose_link_method(options.link_method) logging.info('Using %s to link files into build directory' % (link_method)) def link_headers(header_list, type, dir): logging.debug('Linking %d %s header files in %s' % ( len(header_list), type, dir)) for header_file in header_list: try: portable_symlink(header_file, dir, link_method) except OSError as e: if e.errno != errno.EEXIST: logging.error('Error linking %s into %s: %s' % ( header_file, dir, e)) link_headers(build_config.public_headers, 'public', build_config.botan_include_dir) link_headers(build_config.build_internal_headers, 'internal', build_config.internal_include_dir) """ Generate Amalgamation """ def generate_amalgamation(build_config): def ending_with_suffix(suffix): def predicate(val): return val.endswith(suffix) return predicate def strip_header_goop(header_name, contents): header_guard = re.compile('^#define BOTAN_.*_H__$') while len(contents) > 0: if header_guard.match(contents[0]): contents = contents[1:] break contents = contents[1:] if len(contents) == 0: raise Exception("No header guard found in " + header_name) while contents[0] == '\n': contents = contents[1:] while contents[-1] == '\n': contents = contents[0:-1] if contents[-1] == '#endif\n': contents = contents[0:-1] return contents botan_include = re.compile('#include $') std_include = re.compile('#include <([^/\.]+)>$') class Amalgamation_Generator: def __init__(self, input_list): self.included_already = set() self.all_std_includes = set() self.file_contents = {} for f in sorted(input_list): contents = strip_header_goop(f, open(f).readlines()) self.file_contents[os.path.basename(f)] = contents self.contents = '' for name in self.file_contents: self.contents += ''.join(list(self.header_contents(name))) self.header_includes = '' for std_header in self.all_std_includes: self.header_includes += '#include <%s>\n' % (std_header) self.header_includes += '\n' def header_contents(self, name): name = name.replace('internal/', '') if name in self.included_already: return self.included_already.add(name) if name not in self.file_contents: return for line in self.file_contents[name]: match = botan_include.search(line) if match: for c in self.header_contents(match.group(1)): yield c else: match = std_include.search(line) if match and match.group(1) != 'functional': self.all_std_includes.add(match.group(1)) else: yield line amalg_basename = 'botan_all' header_name = '%s.h' % (amalg_basename) botan_h = open(header_name, 'w') pub_header_amalag = Amalgamation_Generator(build_config.public_headers) amalg_header = """/* * Botan %s Amalgamation * (C) 1999-2011 Jack Lloyd and others * * Distributed under the terms of the Botan license */ """ % (build_config.version_string) botan_h.write(amalg_header) botan_h.write(""" #ifndef BOTAN_AMALGAMATION_H__ #define BOTAN_AMALGAMATION_H__ """) botan_h.write(pub_header_amalag.header_includes) botan_h.write(pub_header_amalag.contents) botan_h.write("\n#endif\n") internal_header_amalag = Amalgamation_Generator( [s for s in build_config.internal_headers if s.find('asm_macr_') == -1]) botan_cpp = open('%s.cpp' % (amalg_basename), 'w') botan_cpp.write(amalg_header) botan_cpp.write('\n#include "%s"\n' % (header_name)) botan_cpp.write(internal_header_amalag.header_includes) botan_cpp.write(internal_header_amalag.contents) for src in build_config.sources: if src.endswith('.S'): continue contents = open(src).readlines() for line in contents: if botan_include.search(line): continue else: botan_cpp.write(line) """ Test for the existence of a program """ def have_program(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 return False """ Main driver """ def main(argv = None): if argv is None: argv = sys.argv logging.basicConfig(stream = sys.stdout, format = '%(levelname) 7s: %(message)s') options = process_command_line(argv[1:]) def log_level(): if options.verbose: return logging.DEBUG if options.quiet: return logging.WARNING return logging.INFO logging.getLogger().setLevel(log_level()) logging.debug('%s invoked with options "%s"' % ( argv[0], ' '.join(argv[1:]))) logging.debug('Platform: OS="%s" machine="%s" proc="%s"' % ( platform.system(), platform.machine(), platform.processor())) if options.os == "java": raise Exception("Jython detected: need --os and --cpu to set target") options.base_dir = os.path.dirname(argv[0]) options.src_dir = os.path.join(options.base_dir, 'src') options.build_data = os.path.join(options.src_dir, 'build-data') options.makefile_dir = os.path.join(options.build_data, 'makefile') (modules, archinfo, ccinfo, osinfo) = load_info_files(options) 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' else: options.compiler = 'gcc' logging.info('Guessing to use compiler %s (use --cc to set)' % ( options.compiler)) if options.os is None: options.os = platform.system().lower() if re.match('^cygwin_.*', options.os): logging.debug("Converting '%s' to 'cygwin'", options.os) options.os = 'cygwin' if options.os == 'windows' and options.compiler == 'gcc': logging.warning('Detected GCC on Windows; use --os=cygwin or --os=mingw?') logging.info('Guessing target OS is %s (use --os to set)' % (options.os)) if options.compiler not in ccinfo: raise Exception('Unknown compiler "%s"; available options: %s' % ( options.compiler, ' '.join(sorted(ccinfo.keys())))) if options.os not in osinfo: def find_canonical_os_name(os): for (name, info) in osinfo.items(): if os in info.aliases: return name return os # not found options.os = find_canonical_os_name(options.os) if options.os not in osinfo: raise Exception('Unknown OS "%s"; available options: %s' % ( options.os, ' '.join(sorted(osinfo.keys())))) if options.cpu is None: (options.arch, options.cpu) = guess_processor(archinfo) logging.info('Guessing target processor is a %s/%s (use --cpu to set)' % ( options.arch, options.cpu)) else: cpu_from_user = options.cpu (options.arch, options.cpu) = canon_processor(archinfo, options.cpu) logging.info('Canonicalizized --cpu=%s to %s/%s' % ( cpu_from_user, options.arch, options.cpu)) logging.info('Target is %s-%s-%s-%s' % ( options.compiler, options.os, options.arch, options.cpu)) cc = ccinfo[options.compiler] # Kind of a hack... if options.compiler == 'gcc': def get_gcc_version(gcc_bin): try: gcc_proc = subprocess.Popen( gcc_bin.split(' ') + ['-dumpversion'], stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True) (stdout, stderr) = gcc_proc.communicate() if gcc_proc.returncode != 0: logging.warning("GCC returned non-zero result %s" % (stderr)) return None gcc_version = stdout.strip() logging.info('Detected gcc version %s' % (gcc_version)) return gcc_version except OSError: logging.warning('Could not execute %s for version check' % (gcc_bin)) return None gcc_version = get_gcc_version(options.compiler_binary or cc.binary_name) if gcc_version: versions_without_cpp0x = '(4\.[01234]\.)|(3\.[0-4]\.)|(2\.95\.[0-4])' if re.search(versions_without_cpp0x, gcc_version): logging.info('This GCC is too old to compile C++0x') if options.with_visibility is None: options.with_visibility = True if options.with_sphinx is None: if have_program('sphinx-build'): logging.info('Found sphinx-build, will use it ' + '(use --without-sphinx to disable)') options.with_sphinx = True if options.via_amalgamation: options.gen_amalgamation = True if options.gen_amalgamation: if options.asm_ok: logging.info('Disabling assembly code, cannot use in amalgamation') options.asm_ok = False modules_to_use = choose_modules_to_use(modules, archinfo[options.arch], options) if not osinfo[options.os].build_shared: if options.build_shared_lib: logging.info('Disabling shared lib on %s' % (options.os)) options.build_shared_lib = False build_config = BuildConfigurationInformation(options, modules_to_use) build_config.public_headers.append( os.path.join(build_config.build_dir, 'build.h')) template_vars = create_template_vars(build_config, options, modules_to_use, cc, archinfo[options.arch], osinfo[options.os]) # Performs the I/O setup_build(build_config, options, template_vars) if options.gen_amalgamation: generate_amalgamation(build_config) logging.info('Botan %s build setup is complete' % ( build_config.version_string)) if __name__ == '__main__': try: main() except Exception as e: logging.error(str(e)) #import traceback #traceback.print_exc(file=sys.stderr) sys.exit(1) sys.exit(0)