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|
#!/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 string
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')
self.makefile_dir = os.path.join(self.build_data_dir, 'makefile')
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))
PKG_CONFIG_FILENAME = 'botan-%d.pc' % (Version.major())
def make_build_doc_commands(source_paths, build_paths, options):
def build_manual_command(src_dir, dst_dir):
if options.with_sphinx:
sphinx = 'sphinx-build -c $(SPHINX_CONFIG) $(SPHINX_OPTS) '
if options.quiet:
sphinx += '-q '
sphinx += '%s %s' % (src_dir, dst_dir)
return sphinx
else:
return '$(COPY) %s%s*.rst %s' % (src_dir, os.sep, dst_dir)
cmds = [
build_manual_command(os.path.join(source_paths.doc_dir, 'manual'), build_paths.doc_output_dir_manual)
]
if options.with_doxygen:
cmds += ['doxygen %s%sbotan.doxy' % (build_paths.build_dir, os.sep)]
return '\n'.join(['\t' + cmd for cmd in cmds])
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('--with-endian', metavar='ORDER', default=None,
help='override byte order guess')
target_group.add_option('--with-unaligned-mem',
dest='unaligned_mem', action='store_true',
default=None,
help='use unaligned memory accesses')
target_group.add_option('--without-unaligned-mem',
dest='unaligned_mem', action='store_false',
help=optparse.SUPPRESS_HELP)
target_group.add_option('--with-os-features', action='append', metavar='FEAT',
help='specify OS features to use')
target_group.add_option('--without-os-features', action='append', metavar='FEAT',
help='specify OS features to disable')
for isa_extn_name in ['SSE2', 'SSSE3', '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=True,
help=optparse.SUPPRESS_HELP)
build_group.add_option('--disable-shared', dest='build_shared_lib',
action='store_false',
help='disable building shared library')
build_group.add_option('--optimize-for-size', dest='optimize_for_size',
action='store_true', default=False,
help='optimize for code size')
build_group.add_option('--no-optimizations', dest='no_optimizations',
action='store_true', default=False,
help='disable all optimizations (for debugging)')
build_group.add_option('--debug-mode', action='store_true', default=False, dest='debug_mode',
help='enable debug info and disable optimizations')
build_group.add_option('--gen-amalgamation', dest='gen_amalgamation',
default=False, action='store_true',
help='generate amalgamation files and build without amalgamation (removed)')
build_group.add_option('--via-amalgamation', dest='via_amalgamation',
default=False, action='store_true',
help='build via amalgamation (deprecated, use --amalgamation)')
build_group.add_option('--amalgamation', dest='amalgamation',
default=False, action='store_true',
help='generate amalgamation files and build via amalgamation')
build_group.add_option('--single-amalgamation-file',
default=False, action='store_true',
help='build single file instead of splitting on ABI')
build_group.add_option('--with-build-dir', metavar='DIR', default='',
help='setup the build in DIR')
build_group.add_option('--with-external-includedir', metavar='DIR', default='',
help='use DIR for external includes')
build_group.add_option('--with-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')
build_group.add_option('--with-cilkplus', default=False, action='store_true',
help='enable use of Cilk Plus')
link_methods = ['symlink', 'hardlink', 'copy']
build_group.add_option('--link-method', default=None, metavar='METHOD',
choices=link_methods,
help='choose how links to include headers are created (%s)' % ', '.join(link_methods))
makefile_styles = ['gmake', 'nmake']
build_group.add_option('--makefile-style', metavar='STYLE', default=None,
choices=makefile_styles,
help='makefile type (%s)' % ' or '.join(makefile_styles))
build_group.add_option('--with-local-config',
dest='local_config', metavar='FILE',
help='include the contents of FILE into build.h')
build_group.add_option('--distribution-info', metavar='STRING',
help='distribution specific version',
default='unspecified')
build_group.add_option('--with-sphinx', action='store_true',
default=None, help='Use Sphinx')
build_group.add_option('--without-sphinx', action='store_false',
dest='with_sphinx', help=optparse.SUPPRESS_HELP)
build_group.add_option('--with-doxygen', action='store_true',
default=False, help='Use Doxygen')
build_group.add_option('--without-doxygen', action='store_false',
dest='with_doxygen', help=optparse.SUPPRESS_HELP)
build_group.add_option('--maintainer-mode', dest='maintainer_mode',
action='store_true', default=False,
help="Enable extra warnings")
build_group.add_option('--dirty-tree', dest='clean_build_tree',
action='store_false', default=True,
help=optparse.SUPPRESS_HELP)
build_group.add_option('--with-python-versions', dest='python_version',
metavar='N.M',
default='%d.%d' % (sys.version_info[0], sys.version_info[1]),
help='where to install botan2.py (def %default)')
build_group.add_option('--with-valgrind', help='use valgrind API',
dest='with_valgrind', action='store_true', default=False)
build_group.add_option('--with-bakefile', action='store_true',
default=False,
help='Generate bakefile which can be used to create Visual Studio or Xcode project files')
build_group.add_option('--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')
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(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)
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 = '</' + group + '>'
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
def force_to_dict(l):
"""
Convert a lex'ed map (from build-data files) from a list to a dict
TODO: Add error checking of input...
"""
return dict(zip(l[::3], l[2::3]))
class 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 <libs> in module %s" % (self.basename))
result = {}
for sep in l[1::3]:
if sep != '->':
raise InternalError("Bad <libs> 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,
'unaligned': 'no',
'wordsize': 32
})
self.aliases = lex.aliases
self.endian = lex.endian
self.family = lex.family
self.isa_extensions = lex.isa_extensions
self.unaligned_ok = (1 if lex.unaligned == 'ok' else 0)
self.submodels = lex.submodels
self.submodel_aliases = force_to_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))
unaligned_ok = options.unaligned_mem
if unaligned_ok is None:
unaligned_ok = self.unaligned_ok
if unaligned_ok:
logging.info('Assuming unaligned memory access works')
if self.family is not None:
macros.append('TARGET_CPU_IS_%s_FAMILY' % (self.family.upper()))
macros.append('TARGET_CPU_NATIVE_WORD_SIZE %d' % (self.wordsize))
if self.wordsize == 64:
macros.append('TARGET_CPU_HAS_NATIVE_64BIT')
macros.append('TARGET_UNALIGNED_MEMORY_ACCESS_OK %d' % (unaligned_ok))
if options.with_valgrind:
macros.append('HAS_VALGRIND')
if options.with_openmp:
macros.append('TARGET_HAS_OPENMP')
if options.with_cilkplus:
macros.append('TARGET_HAS_CILKPLUS')
return macros
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_option': '-o ',
'add_include_dir_option': '-I',
'add_lib_dir_option': '-L',
'add_lib_option': '-l',
'add_framework_option': '-framework ',
'compile_flags': '',
'debug_info_flags': '',
'optimization_flags': '',
'size_optimization_flags': '',
'coverage_flags': '',
'sanitizer_flags': '',
'stack_protector_flags': '',
'shared_flags': '',
'lang_flags': '',
'warning_flags': '',
'maintainer_warning_flags': '',
'visibility_build_flags': '',
'visibility_attribute': '',
'ar_command': None,
'makefile_style': ''
})
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.binary_link_commands = force_to_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 = force_to_dict(lex.isa_flags)
self.lang_flags = lex.lang_flags
self.linker_name = lex.linker_name
self.mach_abi_linking = force_to_dict(lex.mach_abi_linking)
self.macro_name = lex.macro_name
self.maintainer_warning_flags = lex.maintainer_warning_flags
self.makefile_style = lex.makefile_style
self.optimization_flags = lex.optimization_flags
self.output_to_option = lex.output_to_option
self.sanitizer_flags = lex.sanitizer_flags
self.shared_flags = lex.shared_flags
self.size_optimization_flags = lex.size_optimization_flags
self.so_link_commands = force_to_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'])
if options.with_cilkplus:
if 'cilkplus' not in self.mach_abi_linking:
raise UserError('No support for Cilk Plus for %s' % (self.basename))
abi_link.append(self.mach_abi_linking['cilkplus'])
abi_flags = ' '.join(sorted(abi_link))
if options.cc_abi_flags != '':
abi_flags += ' ' + options.cc_abi_flags
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_compile_flags(self, options):
def gen_flags():
yield self.lang_flags
if options.with_debug_info:
yield self.debug_info_flags
if not options.no_optimizations:
if options.optimize_for_size:
if self.size_optimization_flags != '':
yield self.size_optimization_flags
else:
logging.warning("No size optimization flags set for current compiler")
yield self.optimization_flags
else:
yield self.optimization_flags
def submodel_fixup(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 crs',
'ar_needs_ranlib': False,
'install_root': '/usr/local',
'header_dir': 'include',
'bin_dir': 'bin',
'lib_dir': 'lib',
'doc_dir': 'share/doc',
'building_shared_supported': 'yes',
'install_cmd_data': 'install -m 644',
'install_cmd_exec': 'install -m 755'
})
if 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_needs_ranlib = bool(lex.ar_needs_ranlib)
self.bin_dir = lex.bin_dir
self.building_shared_supported = (True if lex.building_shared_supported == 'yes' else False)
self.doc_dir = lex.doc_dir
self.header_dir = lex.header_dir
self.install_cmd_data = lex.install_cmd_data
self.install_cmd_exec = lex.install_cmd_exec
self.install_root = lex.install_root
self.lib_dir = lex.lib_dir
self.os_type = lex.os_type
self.obj_suffix = lex.obj_suffix
self.program_suffix = lex.program_suffix
self.static_suffix = lex.static_suffix
self.target_features = lex.target_features
def ranlib_command(self):
return 'ranlib' if self.ar_needs_ranlib else 'true'
def defines(self, options):
r = []
r += ['TARGET_OS_IS_%s' % (self.basename.upper())]
if self.os_type != None:
r += ['TARGET_OS_TYPE_IS_%s' % (self.os_type.upper())]
def feat_macros():
for feat in self.target_features:
if feat not in options.without_os_features:
yield 'TARGET_OS_HAS_' + feat.upper()
for feat in options.with_os_features:
if feat not in self.target_features:
yield 'TARGET_OS_HAS_' + feat.upper()
r += sorted(feat_macros())
return r
def fixup_proc_name(proc):
proc = proc.lower().replace(' ', '')
for junk in ['(tm)', '(r)']:
proc = proc.replace(junk, '')
return proc
def canon_processor(archinfo, proc):
proc = fixup_proc_name(proc)
# First, try to search for an exact match
for ainfo in archinfo.values():
if ainfo.basename == proc or proc in ainfo.aliases:
return (ainfo.basename, ainfo.basename)
for (match, submodel) in ainfo.all_submodels():
if proc == submodel or proc == match:
return (ainfo.basename, submodel)
logging.debug('Could not find an exact match for CPU "%s"' % (proc))
# Now, try searching via regex match
for ainfo in archinfo.values():
for (match, submodel) in ainfo.all_submodels():
if re.search(match, proc) != None:
logging.debug('Possible match "%s" with "%s" (%s)' % (
proc, match, submodel))
return (ainfo.basename, submodel)
return None
def system_cpu_info():
cpu_info = []
if platform.machine() != '':
cpu_info.append(platform.machine())
if platform.processor() != '':
cpu_info.append(platform.processor())
try:
with open('/proc/cpuinfo') as f:
for line in f.readlines():
colon = line.find(':')
if colon > 1:
key = line[0:colon].strip()
val = ' '.join([s.strip() for s in line[colon+1:].split(' ') if s != ''])
# Different Linux arch use different names for this field in cpuinfo
if key in ["model name", "cpu model", "Processor"]:
logging.info('Detected CPU model "%s" in /proc/cpuinfo' % (val))
cpu_info.append(val)
break
except IOError:
pass
return cpu_info
def guess_processor(archinfo):
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
"""
class PercentSignTemplate(string.Template):
delimiter = '%'
try:
template = PercentSignTemplate(read_textfile(template_file))
return template.substitute(variables)
except KeyError as e:
raise InternalError('Unbound var %s in template %s' % (e, template_file))
except Exception as e:
raise InternalError('Exception %s in template %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)\n'
% (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)\n'
% (self._cc.cc_compile_flags(self._options_debug),
self._cc.mach_abi_link_flags(self._options_debug)))
fd.write('set(COMPILER_FEATURES $<$<NOT:$<CONFIG:DEBUG>>:${COMPILER_FEATURES_RELEASE}>'
+' $<$<CONFIG:DEBUG>:${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, flags):
"""
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
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, flags,
includes, self._cc.compile_flags, src, self._cc.output_to_option)
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 $(LIBRARIES)\n\t$(FUZZER_LINK_CMD) %s $(FUZZER_LINKS_TO) %s$@\n' % (
os.path.join(fuzz_bin, fuzz_basename), obj_file, obj_file, self._cc.output_to_option)
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.upper()))
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
"""
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:])
bin_link_cmd = cc.binary_link_command_for(osinfo.basename, options) + external_link_cmd()
variables = {
'version_major': Version.major(),
'version_minor': Version.minor(),
'version_patch': Version.patch(),
'version_vc_rev': Version.vc_rev(),
'so_abi_rev': Version.so_rev(),
'version': Version.as_string(),
'version_packed': Version.packed(),
'release_type': Version.release_type(),
'version_datestamp': Version.datestamp(),
'distribution_info': options.distribution_info,
'base_dir': source_paths.base_dir,
'src_dir': source_paths.src_dir,
'doc_dir': source_paths.doc_dir,
'command_line': configure_command_line(),
'local_config': read_textfile(options.local_config),
'makefile_style': options.makefile_style or cc.makefile_style,
'makefile_path': os.path.join(build_config.build_dir, '..', 'Makefile'),
'program_suffix': options.program_suffix or osinfo.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,
'out_dir': options.with_build_dir or os.path.curdir,
'build_dir': build_config.build_dir,
'scripts_dir': source_paths.scripts_dir,
'build_shared_lib': options.build_shared_lib,
'libobj_dir': build_config.libobj_dir,
'cliobj_dir': build_config.cliobj_dir,
'testobj_dir': build_config.testobj_dir,
'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,
'build_doc_commands': make_build_doc_commands(source_paths, build_config, options),
'python_dir': source_paths.python_dir,
'sphinx_config_dir': source_paths.sphinx_config_dir,
'os': options.os,
'arch': options.arch,
'submodel': options.cpu,
'innosetup_arch': innosetup_arch(options.os, options.arch),
'mp_bits': choose_mp_bits(),
'cxx': (options.compiler_binary or cc.binary_name),
'cxx_abi_flags': cc.mach_abi_link_flags(options),
'linker': cc.linker_name or '$(CXX)',
'cc_compile_flags': cc.cc_compile_flags(options),
'cc_warning_flags': cc.cc_warning_flags(options),
'shared_flags': cc.gen_shared_flags(options),
'visibility_attribute': cc.gen_visibility_attribute(options),
'lib_link_cmd': cc.so_link_command_for(osinfo.basename, options) + external_link_cmd(),
'cli_link_cmd': bin_link_cmd,
'test_link_cmd': bin_link_cmd,
'fuzzer_link_cmd': bin_link_cmd,
'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 '',
'fuzzer_libs': '' if options.fuzzer_lib is None else '%s%s' % (cc.add_lib_option, options.fuzzer_lib),
'python_exe': sys.executable,
'ar_command': cc.ar_command or osinfo.ar_command,
'ranlib_command': osinfo.ranlib_command(),
'install_cmd_exec': osinfo.install_cmd_exec,
'install_cmd_data': osinfo.install_cmd_data,
'lib_prefix': 'lib' if options.os != 'windows' else '',
'static_suffix': osinfo.static_suffix,
'mod_list': '\n'.join(sorted([m.basename for m in modules])),
'python_version': options.python_version,
'with_sphinx': options.with_sphinx,
'house_ecc_curve_defines': make_cpp_macros(HouseEccCurve(options.house_curve).defines()) \
if options.house_curve else ''
}
if options.build_shared_lib:
if osinfo.soname_pattern_base != None:
variables['soname_base'] = osinfo.soname_pattern_base.format(
version_major=Version.major(),
version_minor=Version.minor(),
version_patch=Version.patch(),
abi_rev=Version.so_rev())
if osinfo.soname_pattern_abi != None:
variables['soname_abi'] = osinfo.soname_pattern_abi.format(
version_major=Version.major(),
version_minor=Version.minor(),
version_patch=Version.patch(),
abi_rev=Version.so_rev())
if osinfo.soname_pattern_patch != None:
variables['soname_patch'] = osinfo.soname_pattern_patch.format(
version_major=Version.major(),
version_minor=Version.minor(),
version_patch=Version.patch(),
abi_rev=Version.so_rev())
if options.os == 'darwin' and options.build_shared_lib:
# In order that these executables work from the build directory,
# we need to change the install names
variables['cli_post_link_cmd'] = \
'install_name_tool -change "$(INSTALLED_LIB_DIR)/$(SONAME_ABI)" "@executable_path/$(SONAME_ABI)" $(CLI)'
variables['test_post_link_cmd'] = \
'install_name_tool -change "$(INSTALLED_LIB_DIR)/$(SONAME_ABI)" "@executable_path/$(SONAME_ABI)" $(TEST)'
else:
variables['cli_post_link_cmd'] = ''
variables['test_post_link_cmd'] = ''
variables.update(MakefileListsGenerator(build_config, options, modules, cc, arch, osinfo).generate())
if options.os == 'windows':
if options.with_debug_info:
variables['libname'] = 'botand'
else:
variables['libname'] = 'botan'
else:
variables['botan_pkgconfig'] = os.path.join(build_config.build_dir, PKG_CONFIG_FILENAME)
# 'botan' or 'botan-2'. Used in Makefile and install script
# This can be made consistent over all platforms in the future
variables['libname'] = 'botan-%d' % (Version.major())
if options.os == 'llvm':
# llvm-link doesn't understand -L or -l flags
variables['link_to_botan'] = '%s/lib%s.a' % (variables['out_dir'], variables['libname'])
elif options.compiler == 'msvc':
# Nmake makefiles do something completely different here...
variables['link_to_botan'] = ''
else:
variables['link_to_botan'] = '%s%s %s%s' % (
cc.add_lib_dir_option, variables['out_dir'],
cc.add_lib_option, variables['libname'])
variables["header_in"] = process_template(os.path.join(source_paths.makefile_dir, 'header.in'), variables)
if variables["makefile_style"] == "gmake":
templates = [
('gmake_commands.in', True),
('gmake_dso.in', options.build_shared_lib),
('gmake_coverage.in', options.with_coverage_info),
('gmake_fuzzers.in', options.build_fuzzers)
]
for (template, build_it) in templates:
template_file = os.path.join(source_paths.makefile_dir, template)
var_name = template.replace('.', '_')
if build_it:
variables[var_name] = process_template(template_file, variables)
else:
variables[var_name] = ''
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 availablity and user request
"""
req = options.link_method
def useable_methods():
# Symbolic link support on Windows was introduced in Windows 6.0 (Vista) and Python 3.2
# Furthermore the SeCreateSymbolicLinkPrivilege is required in order to successfully create symlinks
# So only try to use symlinks on Windows if explicitly requested
if req == 'symlink' and options.os == 'windows':
yield 'symlink'
# otherwise keep old conservative behavior
if 'symlink' in os.__dict__ and options.os != 'windows':
yield 'symlink'
if 'link' in os.__dict__:
yield 'hardlink'
yield 'copy'
for method in useable_methods():
if req is None or req == method:
logging.info('Using %s to link files into build dir ' \
'(use --link-method to change)' % (method))
return method
logging.warning('Could not use link method "%s", will copy instead' % (req))
return 'copy'
def portable_symlink(file_path, target_dir, method):
"""
Copy or link the file, depending on what the platform offers
"""
if not os.access(file_path, os.R_OK):
logging.warning('Missing file %s' % (file_path))
return
if method == 'symlink':
rel_file_path = os.path.relpath(file_path, start=target_dir)
os.symlink(rel_file_path, os.path.join(target_dir, os.path.basename(file_path)))
elif method == 'hardlink':
os.link(file_path, os.path.join(target_dir, os.path.basename(file_path)))
elif method == 'copy':
shutil.copy(file_path, target_dir)
else:
raise UserError('Unknown link method %s' % (method))
class AmalgamationHelper(object):
# All include types may have trailing comment like e.g. '#include <vector> // IWYU pragma: export'
_any_include = re.compile(r'#include <(.*)>')
_botan_include = re.compile(r'#include <botan/(.*)>')
# 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 amalgamation_sources
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:
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))
# 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 targetting LLVM')
# Warnings
if options.os == 'windows' and options.compiler == 'gcc':
logging.warning('Detected GCC on Windows; use --os=cygwin or --os=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.makefile_dir, '%s.in' % (template_vars['makefile_style']))
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:
if options.clean_build_tree:
robust_rmtree(build_config.build_dir)
except OSError as e:
if e.errno != errno.ENOENT:
logging.error('Problem while removing build dir: %s' % (e))
for 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 options.os != 'windows':
write_template(in_build_dir(PKG_CONFIG_FILENAME), 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)
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.amalgamation:
amalgamation_cpp_files = AmalgamationGenerator(build_config, using_mods, options).generate()
build_config.lib_sources = sorted(amalgamation_cpp_files)
template_vars.update(MakefileListsGenerator(build_config, options, using_mods, cc, arch, osinfo).generate())
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))
if options.build_shared_lib and not osinfo.building_shared_supported:
logging.warning('Shared libs not supported on %s, disabling shared lib support' % (osinfo.basename))
options.build_shared_lib = False
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)
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