import os, sys
from waflib import Configure, Logs, Options, Utils, Context, Errors
import wafsamba
-from samba_utils import os_path_relpath
+from samba_utils import symlink
from optparse import SUPPRESS_HELP
+phs = os.environ.get("PYTHONHASHSEED", None)
+if phs != "1":
+ raise Errors.WafError('''PYTHONHASHSEED=1 missing! Don't use waf directly, use ./configure and make!''')
+
# this forces configure to be re-run if any of the configure
# sections of the build scripts change. We have to check
# for this in sys.argv as options have not yet been parsed when
gr = opt.option_group('library handling options')
gr.add_option('--bundled-libraries',
- help=("comma separated list of bundled libraries. May include !LIBNAME to disable bundling a library. Can be 'NONE' or 'ALL' [auto]"),
+ help=(f'''comma separated list of bundled libraries.
+
+{Context.g_module.APPNAME} includes copies of externally maintained
+system libraries (such as popt, cmokca) as well as Samba-maintained
+libraries that can be found on the system already (such as talloc,
+tdb).
+
+This option, most useful for packagers, controls if each library
+should be forced to be obtained from inside Samba (bundled), forced to
+be obtained from the system (bundling disabled, ensuing that
+dependency errors are not silently missed) or if that choice should be
+automatic (best for end users).
+
+May include !LIBNAME to disable bundling a library.
+
+Can be 'NONE' or 'ALL' [auto]'''),
action="store", dest='BUNDLED_LIBS', default='')
gr.add_option('--private-libraries',
- help=("comma separated list of normally public libraries to build instead as private libraries. May include !LIBNAME to disable making a library private. Can be 'NONE' or 'ALL' [auto]"),
+ help=(f'''comma separated list of normally public libraries to build instead as private libraries.
+
+By default {Context.g_module.APPNAME} will publish a number of public
+libraries for use by other software. For Samba this would include
+libwbclient, libsmbclient and others.
+
+This allows that to be disabled, to ensure that other software does
+not use these libraries and they are placed in a private filesystem
+prefix.
+
+May include !LIBNAME to disable making a library private in order to
+limit the effect of 'ALL' '''),
action="store", dest='PRIVATE_LIBS', default='')
extension_default = default_value('PRIVATE_EXTENSION_DEFAULT')
action="store", dest='PRIVATE_EXTENSION_EXCEPTION', default=extension_exception)
builtin_default = default_value('BUILTIN_LIBRARIES_DEFAULT')
- gr.add_option('--builtin-libraries',
- help=("command separated list of libraries to build directly into binaries [%s]" % builtin_default),
- action="store", dest='BUILTIN_LIBRARIES', default=builtin_default)
+ gr.add_option('--builtin-libraries', help=(
+f'''comma separated list of libraries to build directly into binaries.
+
+By default {Context.g_module.APPNAME} will build a large number of
+shared libraries, to reduce binary size. This overrides this
+behaviour and essentially statically links the specified libraries into
+each binary [{builtin_default}]'''),
+ action="store",
+ dest='BUILTIN_LIBRARIES', default=builtin_default)
gr.add_option('--minimum-library-version',
- help=("list of minimum system library versions (LIBNAME1:version,LIBNAME2:version)"),
+ help=(
+f'''list of minimum system library versions for otherwise bundled
+libraries.
+
+{Context.g_module.APPNAME} by default requires that, in order to match
+what is tested in our continuous integration (CI) test-suite, that the
+versions of libraries that we include match that found on the system,
+before we will select not to 'bundle'.
+
+This option, possibly useful for packagers, allows that specified
+version to be overridden (say, if it is absolutely known that a the
+newer version included in this tarball has no relevant changes).
+
+Use this with extreme care
+
+(LIBNAME1:version,LIBNAME2:version)'''),
action="store", dest='MINIMUM_LIBRARY_VERSION', default='')
gr.add_option('--disable-rpath',
help=("Disable use of rpath for private library path in installed files"),
action="store_true", dest='disable_rpath_private_install', default=False)
gr.add_option('--nonshared-binary',
- help=("Disable use of shared libs for the listed binaries"),
+ help=(
+f'''Disable use of shared libaries internal to {Context.g_module.APPNAME} for the listed binaries.
+
+The resulting binaries are 'statically linked' with regard to components provided by
+{Context.g_module.APPNAME}, but remain dynamically linked to (eg) libc.so and libgnutls.so
+
+Currently the only tested value is 'smbtorture,smbd/smbd' for Samba'''),
action="store", dest='NONSHARED_BINARIES', default='')
gr.add_option('--disable-symbol-versions',
help=("Disable use of the --version-script linker option"),
gr = opt.option_group('developer options')
gr.add_option('-C',
- help='enable configure cacheing',
+ help='enable configure caching',
action='store_true', dest='enable_configure_cache')
gr.add_option('--enable-auto-reconfigure',
help='enable automatic reconfigure on build',
gr.add_option('--enable-developer',
help=("Turn on developer warnings and debugging"),
action="store_true", dest='developer', default=False)
+ gr.add_option('--pidl-developer',
+ help=("annotate PIDL-generated code for developers"),
+ action="store_true", dest='pidl_developer', default=False)
+ gr.add_option('--disable-warnings-as-errors',
+ help=("Do not treat all warnings as errors (disable -Werror)"),
+ action="store_true", dest='disable_warnings_as_errors', default=False)
opt.add_option('--enable-coverage',
help=("enable options necessary for code coverage "
"reporting on selftest (default=no)"),
action="store_true", dest='enable_coverage', default=False)
- def picky_developer_callback(option, opt_str, value, parser):
- parser.values.developer = True
- parser.values.picky_developer = True
- gr.add_option('--picky-developer',
- help=("Treat all warnings as errors (enable -Werror)"),
- action="callback", callback=picky_developer_callback,
- dest='picky_developer', default=False)
gr.add_option('--fatal-errors',
help=("Stop compilation on first error (enable -Wfatal-errors)"),
action="store_true", dest='fatal_errors', default=False)
action="store_true",
dest='undefined_sanitizer',
default=False)
+ gr.add_option('--memory-sanitizer',
+ help=("Enable memory behaviour sanitizer compile and linker flags"),
+ action="store_true",
+ dest='memory_sanitizer',
+ default=False)
+ gr.add_option('--enable-libfuzzer',
+ help=("Build fuzzing binaries (use ADDITIONAL_CFLAGS to specify compiler options for libFuzzer or use CC=honggfuzz/hfuzz-cc)"),
+ action="store_true", dest='enable_libfuzzer', default=False)
+ gr.add_option('--enable-afl-fuzzer',
+ help=("Build fuzzing binaries AFL-style (typically use with CC=afl-gcc)"),
+ action="store_true", dest='enable_afl_fuzzer', default=False)
+
+ # Fuzz targets may need additional LDFLAGS that we can't use on
+ # internal binaries like asn1_compile
+
+ gr.add_option('--fuzz-target-ldflags',
+ help=("Linker flags to be used when building fuzz targets"),
+ action="store", dest='FUZZ_TARGET_LDFLAGS', default='')
gr.add_option('--abi-check',
help=("Check ABI signatures for libraries"),
conf.env.PRIVATE_EXTENSION = Options.options.PRIVATE_EXTENSION
conf.env.PRIVATE_EXTENSION_EXCEPTION = Options.options.PRIVATE_EXTENSION_EXCEPTION.split(',')
+ conf.env.PRIVATE_VERSION = "%s_%s_%s" % (Context.g_module.APPNAME,
+ Context.g_module.VERSION, conf.env.PRIVATE_EXTENSION)
conf.env.CROSS_COMPILE = Options.options.CROSS_COMPILE
conf.env.CROSS_EXECUTE = Options.options.CROSS_EXECUTE
conf.CHECK_CODE('printf("hello world")',
define='HAVE_SIMPLE_C_PROG',
mandatory=True,
- execute=True,
+ execute=not conf.env.CROSS_COMPILE,
headers='stdio.h',
msg='Checking simple C program')
strict=True,
msg='Checking for library constructor support')
- # check HAVE_DESTRUCTOR_ATTRIBUTE
+ # check HAVE_PRAGMA_INIT alternatively
+ if not conf.env.HAVE_CONSTRUCTOR_ATTRIBUTE:
+ conf.CHECK_CODE('''
+ #pragma init (test_init)
+
+ void test_init(void)
+ {
+ return;
+ }
+
+ int main(void) {
+ return 0;
+ }
+ ''',
+ 'HAVE_PRAGMA_INIT',
+ addmain=False,
+ strict=True,
+ msg='Checking for pragma init support')
+
+ # check HAVE_DESTRUCTOR_ATTRIBUTE
conf.CHECK_CODE('''
void test_destructor_attribute(void) __attribute__ ((destructor));
strict=True,
msg='Checking for library destructor support')
+ # check HAVE_PRAGMA_FINI alternatively
+ if not conf.env.HAVE_DESTRUCTOR_ATTRIBUTE:
+ conf.CHECK_CODE('''
+ #pragma fini (test_fini)
+
+ void test_fini(void)
+ {
+ return;
+ }
+
+ int main(void) {
+ return 0;
+ }
+ ''',
+ 'HAVE_PRAGMA_FINI',
+ addmain=False,
+ strict=True,
+ msg='Checking for pragma fini support')
+
conf.CHECK_CODE('''
void test_attribute(void) __attribute__ (());
strict=True,
msg='Checking for __attribute__')
+ # Solaris by defauls uses draft versions of some functions unless you set _POSIX_PTHREAD_SEMANTICS
+ if sys.platform.startswith('sunos'):
+ conf.DEFINE('_POSIX_PTHREAD_SEMANTICS', 1)
+
if sys.platform.startswith('aix'):
conf.DEFINE('_ALL_SOURCE', 1, add_to_cflags=True)
# Might not be needed if ALL_SOURCE is defined
conf.CHECK_HEADERS('strings.h inttypes.h stdint.h unistd.h minix/config.h', add_headers=True)
conf.CHECK_HEADERS('ctype.h', add_headers=True)
- if sys.platform != 'darwin':
+ if sys.platform == 'darwin':
+ conf.DEFINE('_DARWIN_C_SOURCE', 1, add_to_cflags=True)
+ conf.DEFINE('_DARWIN_UNLIMITED_GETGROUPS', 1, add_to_cflags=True)
+ else:
conf.CHECK_HEADERS('standards.h', add_headers=True)
conf.CHECK_HEADERS('stdbool.h stdint.h stdarg.h vararg.h', add_headers=True)
eprintf("bla", "bar")
''', define='HAVE__VA_ARGS__MACRO')
+ conf.env.enable_fuzzing = False
+
+ conf.env.enable_libfuzzer = Options.options.enable_libfuzzer
+ conf.env.enable_afl_fuzzer = Options.options.enable_afl_fuzzer
+ if conf.env.enable_libfuzzer or conf.env.enable_afl_fuzzer:
+ conf.env.enable_fuzzing = True
+ conf.DEFINE('FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION', 1)
+ conf.env.FUZZ_TARGET_LDFLAGS = Options.options.FUZZ_TARGET_LDFLAGS
+
+ # Create a symlink of the compile db for clangd
+ symlink(os.path.join(conf.bldnode.abspath(), 'default/compile_commands.json'),
+ os.path.join(conf.srcnode.abspath(), 'compile_commands.json'),
+ force=True)
+
conf.SAMBA_BUILD_ENV()
# give a more useful message if the source directory has moved
curdir = bld.path.abspath()
srcdir = bld.srcnode.abspath()
- relpath = os_path_relpath(curdir, srcdir)
+ relpath = os.path.relpath(curdir, srcdir)
if relpath.find('../') != -1:
Logs.error('bld.path %s is not a child of %s' % (curdir, srcdir))
raise Errors.WafError('''The top source directory has moved. Please run distclean and reconfigure''')