diff options
Diffstat (limited to 'buildtools/wafsamba/wscript')
| -rw-r--r-- | buildtools/wafsamba/wscript | 741 |
1 files changed, 741 insertions, 0 deletions
diff --git a/buildtools/wafsamba/wscript b/buildtools/wafsamba/wscript new file mode 100644 index 0000000..8729b08 --- /dev/null +++ b/buildtools/wafsamba/wscript @@ -0,0 +1,741 @@ +#!/usr/bin/env python + +# this is a base set of waf rules that everything else pulls in first + +import os, sys +from waflib import Configure, Logs, Options, Utils, Context, Errors +import wafsamba +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 +# we need to set this. This is off by default until some issues +# are resolved related to WAFCACHE. It will need a lot of testing +# before it is enabled by default. +if '--enable-auto-reconfigure' in sys.argv: + Configure.autoconfig = 'clobber' + +def default_value(option, default=''): + if option in Options.options.__dict__: + return Options.options.__dict__[option] + return default + +def options(opt): + opt.load('compiler_cc') + + opt.load('gnu_dirs') + + gr = opt.option_group('library handling options') + + gr.add_option('--bundled-libraries', + 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=(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') + gr.add_option('--private-library-extension', + help=("name extension for private libraries [%s]" % extension_default), + action="store", dest='PRIVATE_EXTENSION', default=extension_default) + + extension_exception = default_value('PRIVATE_EXTENSION_EXCEPTION') + gr.add_option('--private-extension-exception', + help=("comma separated list of libraries to not apply extension to [%s]" % extension_exception), + action="store", dest='PRIVATE_EXTENSION_EXCEPTION', default=extension_exception) + + builtin_default = default_value('BUILTIN_LIBRARIES_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=( +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 build binaries"), + action="store_true", dest='disable_rpath_build', default=False) + gr.add_option('--disable-rpath-install', + help=("Disable use of rpath for library path in installed files"), + action="store_true", dest='disable_rpath_install', default=False) + gr.add_option('--disable-rpath-private-install', + 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=( +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"), + action="store_true", dest='disable_symbol_versions', default=False) + + opt.add_option('--with-modulesdir', + help=("modules directory [PREFIX/modules]"), + action="store", dest='MODULESDIR', default='${PREFIX}/modules') + + opt.add_option('--with-privatelibdir', + help=("private library directory [PREFIX/lib/%s]" % Context.g_module.APPNAME), + action="store", dest='PRIVATELIBDIR', default=None) + + opt.add_option('--with-libiconv', + help='additional directory to search for libiconv', + action='store', dest='iconv_open', default='/usr/local', + match = ['Checking for library iconv', 'Checking for iconv_open', 'Checking for header iconv.h']) + opt.add_option('--without-gettext', + help=("Disable use of gettext"), + action="store_true", dest='disable_gettext', default=False) + + gr = opt.option_group('developer options') + + gr.add_option('-C', + help='enable configure caching', + action='store_true', dest='enable_configure_cache') + gr.add_option('--enable-auto-reconfigure', + help='enable automatic reconfigure on build', + action='store_true', dest='enable_auto_reconfigure') + gr.add_option('--enable-debug', + help=("Turn on debugging symbols"), + action="store_true", dest='debug', default=False) + 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) + gr.add_option('--fatal-errors', + help=("Stop compilation on first error (enable -Wfatal-errors)"), + action="store_true", dest='fatal_errors', default=False) + gr.add_option('--enable-gccdeps', + help=("Enable use of gcc -MD dependency module"), + action="store_true", dest='enable_gccdeps', default=True) + gr.add_option('--pedantic', + help=("Enable even more compiler warnings"), + action='store_true', dest='pedantic', default=False) + gr.add_option('--git-local-changes', + help=("mark version with + if local git changes"), + action='store_true', dest='GIT_LOCAL_CHANGES', default=False) + gr.add_option('--address-sanitizer', + help=("Enable address sanitizer compile and linker flags"), + action="store_true", dest='address_sanitizer', default=False) + gr.add_option('--undefined-sanitizer', + help=("Enable undefined behaviour sanitizer compile and linker flags"), + action="store_true", + dest='undefined_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"), + action='store_true', dest='ABI_CHECK', default=False) + gr.add_option('--abi-check-disable', + help=("Disable ABI checking (used with --enable-developer)"), + action='store_true', dest='ABI_CHECK_DISABLE', default=False) + gr.add_option('--abi-update', + help=("Update ABI signature files for libraries"), + action='store_true', dest='ABI_UPDATE', default=False) + + gr.add_option('--show-deps', + help=("Show dependency tree for the given target"), + dest='SHOWDEPS', default='') + + gr.add_option('--symbol-check', + help=("check symbols in object files against project rules"), + action='store_true', dest='SYMBOLCHECK', default=False) + + gr.add_option('--dup-symbol-check', + help=("check for duplicate symbols in object files and system libs (must be configured with --enable-developer)"), + action='store_true', dest='DUP_SYMBOLCHECK', default=False) + + gr.add_option('--why-needed', + help=("TARGET:DEPENDENCY check why TARGET needs DEPENDENCY"), + action='store', type='str', dest='WHYNEEDED', default=None) + + gr.add_option('--show-duplicates', + help=("Show objects which are included in multiple binaries or libraries"), + action='store_true', dest='SHOW_DUPLICATES', default=False) + + gr = opt.add_option_group('cross compilation options') + + gr.add_option('--cross-compile', + help=("configure for cross-compilation"), + action='store_true', dest='CROSS_COMPILE', default=False) + gr.add_option('--cross-execute', + help=("command prefix to use for cross-execution in configure"), + action='store', dest='CROSS_EXECUTE', default='') + gr.add_option('--cross-answers', + help=("answers to cross-compilation configuration (auto modified)"), + action='store', dest='CROSS_ANSWERS', default='') + gr.add_option('--hostcc', + help=("set host compiler when cross compiling"), + action='store', dest='HOSTCC', default=False) + + # we use SUPPRESS_HELP for these, as they are ignored, and are there only + # to allow existing RPM spec files to work + opt.add_option('--build', + help=SUPPRESS_HELP, + action='store', dest='AUTOCONF_BUILD', default='') + opt.add_option('--host', + help=SUPPRESS_HELP, + action='store', dest='AUTOCONF_HOST', default='') + opt.add_option('--target', + help=SUPPRESS_HELP, + action='store', dest='AUTOCONF_TARGET', default='') + opt.add_option('--program-prefix', + help=SUPPRESS_HELP, + action='store', dest='AUTOCONF_PROGRAM_PREFIX', default='') + opt.add_option('--disable-dependency-tracking', + help=SUPPRESS_HELP, + action='store_true', dest='AUTOCONF_DISABLE_DEPENDENCY_TRACKING', default=False) + opt.add_option('--disable-silent-rules', + help=SUPPRESS_HELP, + action='store_true', dest='AUTOCONF_DISABLE_SILENT_RULES', default=False) + + gr = opt.option_group('dist options') + gr.add_option('--sign-release', + help='sign the release tarball created by waf dist', + action='store_true', dest='SIGN_RELEASE') + gr.add_option('--tag', + help='tag release in git at the same time', + type='string', action='store', dest='TAG_RELEASE') + + opt.add_option('--disable-python', + help='do not generate python modules', + action='store_true', dest='disable_python', default=False) + + +@Utils.run_once +def configure(conf): + conf.env.hlist = [] + conf.env.srcdir = conf.srcnode.abspath() + + conf.define('SRCDIR', conf.env['srcdir']) + + conf.SETUP_CONFIGURE_CACHE(Options.options.enable_configure_cache) + + # load our local waf extensions + conf.load('gnu_dirs') + conf.load('wafsamba') + + conf.CHECK_CC_ENV() + + conf.load('compiler_c') + + conf.CHECK_STANDARD_LIBPATH() + + # we need git for 'waf dist' + conf.find_program('git', var='GIT') + + # older gcc versions (< 4.4) does not work with gccdeps, so we have to see if the .d file is generated + if Options.options.enable_gccdeps: + # stale file removal - the configuration may pick up the old .pyc file + p = os.path.join(conf.env.srcdir, 'buildtools/wafsamba/gccdeps.pyc') + if os.path.exists(p): + os.remove(p) + conf.load('gccdeps') + + # make the install paths available in environment + conf.env.LIBDIR = Options.options.LIBDIR or '${PREFIX}/lib' + conf.env.BINDIR = Options.options.BINDIR or '${PREFIX}/bin' + conf.env.SBINDIR = Options.options.SBINDIR or '${PREFIX}/sbin' + conf.env.MODULESDIR = Options.options.MODULESDIR + conf.env.PRIVATELIBDIR = Options.options.PRIVATELIBDIR + conf.env.BUNDLED_LIBS = Options.options.BUNDLED_LIBS.split(',') + conf.env.SYSTEM_LIBS = () + conf.env.PRIVATE_LIBS = Options.options.PRIVATE_LIBS.split(',') + conf.env.BUILTIN_LIBRARIES = Options.options.BUILTIN_LIBRARIES.split(',') + conf.env.NONSHARED_BINARIES = Options.options.NONSHARED_BINARIES.split(',') + + 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.env.CROSS_ANSWERS = Options.options.CROSS_ANSWERS + conf.env.HOSTCC = Options.options.HOSTCC + + conf.env.AUTOCONF_BUILD = Options.options.AUTOCONF_BUILD + conf.env.AUTOCONF_HOST = Options.options.AUTOCONF_HOST + conf.env.AUTOCONF_PROGRAM_PREFIX = Options.options.AUTOCONF_PROGRAM_PREFIX + + conf.env.disable_python = Options.options.disable_python + + if (conf.env.AUTOCONF_HOST and + conf.env.AUTOCONF_BUILD and + conf.env.AUTOCONF_BUILD != conf.env.AUTOCONF_HOST): + Logs.error('ERROR: Mismatch between --build and --host. Please use --cross-compile instead') + sys.exit(1) + if conf.env.AUTOCONF_PROGRAM_PREFIX: + Logs.error('ERROR: --program-prefix not supported') + sys.exit(1) + + # enable ABI checking for developers + conf.env.ABI_CHECK = Options.options.ABI_CHECK or Options.options.developer + if Options.options.ABI_CHECK_DISABLE: + conf.env.ABI_CHECK = False + try: + conf.find_program('gdb', mandatory=True) + except: + conf.env.ABI_CHECK = False + + conf.env.enable_coverage = Options.options.enable_coverage + if conf.env.enable_coverage: + conf.ADD_LDFLAGS('-lgcov', testflags=True) + conf.ADD_CFLAGS('--coverage', testflags=True) + # disable abi check for coverage, otherwise ld will fail + conf.env.ABI_CHECK = False + + conf.env.GIT_LOCAL_CHANGES = Options.options.GIT_LOCAL_CHANGES + + conf.CHECK_UNAME() + + # see if we can compile and run a simple C program + conf.CHECK_CODE('printf("hello world")', + define='HAVE_SIMPLE_C_PROG', + mandatory=True, + execute=True, + headers='stdio.h', + msg='Checking simple C program') + + # Try to find the right extra flags for -Werror behaviour + for f in ["-Werror", # GCC + "-errwarn=%all", # Sun Studio + "-qhalt=w", # IBM xlc + "-w2", # Tru64 + ]: + if conf.CHECK_CFLAGS([f]): + if not 'WERROR_CFLAGS' in conf.env: + conf.env['WERROR_CFLAGS'] = [] + conf.env['WERROR_CFLAGS'].extend([f]) + break + + # check which compiler/linker flags are needed for rpath support + if conf.CHECK_LDFLAGS(['-Wl,-rpath,.']): + conf.env['RPATH_ST'] = '-Wl,-rpath,%s' + elif conf.CHECK_LDFLAGS(['-Wl,-R,.']): + conf.env['RPATH_ST'] = '-Wl,-R,%s' + + # check for rpath + if conf.CHECK_LIBRARY_SUPPORT(rpath=True): + support_rpath = True + conf.env.RPATH_ON_BUILD = not Options.options.disable_rpath_build + conf.env.RPATH_ON_INSTALL = (conf.env.RPATH_ON_BUILD and + not Options.options.disable_rpath_install) + if not conf.env.PRIVATELIBDIR: + conf.env.PRIVATELIBDIR = '%s/%s' % (conf.env.LIBDIR, Context.g_module.APPNAME) + conf.env.RPATH_ON_INSTALL_PRIVATE = ( + not Options.options.disable_rpath_private_install) + else: + support_rpath = False + conf.env.RPATH_ON_INSTALL = False + conf.env.RPATH_ON_BUILD = False + conf.env.RPATH_ON_INSTALL_PRIVATE = False + if not conf.env.PRIVATELIBDIR: + # rpath is not possible so there is no sense in having a + # private library directory by default. + # the user can of course always override it. + conf.env.PRIVATELIBDIR = conf.env.LIBDIR + + if (not Options.options.disable_symbol_versions and + conf.CHECK_LIBRARY_SUPPORT(rpath=support_rpath, + version_script=True, + msg='-Wl,--version-script support')): + conf.env.HAVE_LD_VERSION_SCRIPT = True + else: + conf.env.HAVE_LD_VERSION_SCRIPT = False + + if conf.CHECK_CFLAGS(['-fvisibility=hidden']): + conf.env.VISIBILITY_CFLAGS = '-fvisibility=hidden' + conf.CHECK_CODE('''int main(void) { return 0; } + __attribute__((visibility("default"))) void vis_foo2(void) {}\n''', + cflags=conf.env.VISIBILITY_CFLAGS, + strict=True, + define='HAVE_VISIBILITY_ATTR', addmain=False) + + # check HAVE_CONSTRUCTOR_ATTRIBUTE + conf.CHECK_CODE(''' + void test_constructor_attribute(void) __attribute__ ((constructor)); + + void test_constructor_attribute(void) + { + return; + } + + int main(void) { + return 0; + } + ''', + 'HAVE_CONSTRUCTOR_ATTRIBUTE', + addmain=False, + strict=True, + msg='Checking for library constructor support') + + # 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)); + + void test_destructor_attribute(void) + { + return; + } + + int main(void) { + return 0; + } + ''', + 'HAVE_DESTRUCTOR_ATTRIBUTE', + addmain=False, + 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__ (()); + + void test_attribute(void) + { + return; + } + + int main(void) { + return 0; + } + ''', + 'HAVE___ATTRIBUTE__', + addmain=False, + 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.DEFINE('_XOPEN_SOURCE', 600, add_to_cflags=True) + + # we should use the PIC options in waf instead + # Some compilo didn't support -fPIC but just print a warning + if conf.env['COMPILER_CC'] == "suncc": + conf.ADD_CFLAGS('-KPIC', testflags=True) + # we really want define here as we need to have this + # define even during the tests otherwise detection of + # boolean is broken + conf.DEFINE('_STDC_C99', 1, add_to_cflags=True) + conf.DEFINE('_XPG6', 1, add_to_cflags=True) + else: + conf.ADD_CFLAGS('-fPIC', testflags=True) + + # On Solaris 8 with suncc (at least) the flags for the linker to define the name of the + # library are not always working (if the command line is very very long and with a lot + # files) + + if conf.env['COMPILER_CC'] == "suncc": + save = conf.env['SONAME_ST'] + conf.env['SONAME_ST'] = '-Wl,-h,%s' + if not conf.CHECK_SHLIB_INTRASINC_NAME_FLAGS("Checking if flags %s are ok" % conf.env['SONAME_ST']): + conf.env['SONAME_ST'] = save + + conf.CHECK_INLINE() + + # check for pkgconfig + conf.CHECK_CFG(atleast_pkgconfig_version='0.0.0') + + conf.DEFINE('_GNU_SOURCE', 1, add_to_cflags=True) + conf.DEFINE('_XOPEN_SOURCE_EXTENDED', 1, add_to_cflags=True) + + # + # Needs to be defined before std*.h and string*.h are included + # As Python.h already brings string.h we need it in CFLAGS. + # See memset_s() details here: + # https://en.cppreference.com/w/c/string/byte/memset + # + if conf.CHECK_CFLAGS(['-D__STDC_WANT_LIB_EXT1__=1']): + conf.ADD_CFLAGS('-D__STDC_WANT_LIB_EXT1__=1') + + # on Tru64 certain features are only available with _OSF_SOURCE set to 1 + # and _XOPEN_SOURCE set to 600 + if conf.env['SYSTEM_UNAME_SYSNAME'] == 'OSF1': + conf.DEFINE('_OSF_SOURCE', 1, add_to_cflags=True) + conf.DEFINE('_XOPEN_SOURCE', 600, add_to_cflags=True) + + # SCM_RIGHTS is only avail if _XOPEN_SOURCE iѕ defined on IRIX + if conf.env['SYSTEM_UNAME_SYSNAME'] == 'IRIX': + conf.DEFINE('_XOPEN_SOURCE', 600, add_to_cflags=True) + conf.DEFINE('_BSD_TYPES', 1, add_to_cflags=True) + + # Try to find the right extra flags for C99 initialisers + for f in ["", "-AC99", "-qlanglvl=extc99", "-qlanglvl=stdc99", "-c99"]: + if conf.CHECK_CFLAGS([f], ''' +struct foo {int x;char y;}; +struct foo bar = { .y = 'X', .x = 1 }; +'''): + if f != "": + conf.ADD_CFLAGS(f) + break + + # get the base headers we'll use for the rest of the tests + conf.CHECK_HEADERS('stdio.h sys/types.h sys/stat.h stdlib.h stddef.h memory.h string.h', + add_headers=True) + 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': + 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) + conf.CHECK_HEADERS('limits.h assert.h') + + # see if we need special largefile flags + if not conf.CHECK_LARGEFILE(): + raise Errors.WafError('Samba requires large file support support, but not available on this platform: sizeof(off_t) < 8') + + if conf.env.HAVE_STDDEF_H and conf.env.HAVE_STDLIB_H: + conf.DEFINE('STDC_HEADERS', 1) + + conf.CHECK_HEADERS('sys/time.h time.h', together=True) + + if conf.env.HAVE_SYS_TIME_H and conf.env.HAVE_TIME_H: + conf.DEFINE('TIME_WITH_SYS_TIME', 1) + + # cope with different extensions for libraries + (root, ext) = os.path.splitext(conf.env.cshlib_PATTERN) + if ext[0] == '.': + conf.define('SHLIBEXT', ext[1:], quote=True) + else: + conf.define('SHLIBEXT', "so", quote=True) + + # First try a header check for cross-compile friendlyness + conf.CHECK_CODE(code = """#ifdef __BYTE_ORDER + #define B __BYTE_ORDER + #elif defined(BYTE_ORDER) + #define B BYTE_ORDER + #endif + + #ifdef __LITTLE_ENDIAN + #define LITTLE __LITTLE_ENDIAN + #elif defined(LITTLE_ENDIAN) + #define LITTLE LITTLE_ENDIAN + #endif + + #if !defined(LITTLE) || !defined(B) || LITTLE != B + #error Not little endian. + #endif + int main(void) { return 0; }\n""", + addmain=False, + headers="endian.h sys/endian.h", + define="HAVE_LITTLE_ENDIAN") + conf.CHECK_CODE(code = """#ifdef __BYTE_ORDER + #define B __BYTE_ORDER + #elif defined(BYTE_ORDER) + #define B BYTE_ORDER + #endif + + #ifdef __BIG_ENDIAN + #define BIG __BIG_ENDIAN + #elif defined(BIG_ENDIAN) + #define BIG BIG_ENDIAN + #endif + + #if !defined(BIG) || !defined(B) || BIG != B + #error Not big endian. + #endif + int main(void) { return 0; }\n""", + addmain=False, + headers="endian.h sys/endian.h", + define="HAVE_BIG_ENDIAN") + + if not conf.CONFIG_SET("HAVE_BIG_ENDIAN") and not conf.CONFIG_SET("HAVE_LITTLE_ENDIAN"): + # That didn't work! Do runtime test. + conf.CHECK_CODE("""union { int i; char c[sizeof(int)]; } u; + u.i = 0x01020304; + return u.c[0] == 0x04 && u.c[1] == 0x03 && u.c[2] == 0x02 && u.c[3] == 0x01 ? 0 : 1;""", + addmain=True, execute=True, + define='HAVE_LITTLE_ENDIAN', + msg="Checking for HAVE_LITTLE_ENDIAN - runtime") + conf.CHECK_CODE("""union { int i; char c[sizeof(int)]; } u; + u.i = 0x01020304; + return u.c[0] == 0x01 && u.c[1] == 0x02 && u.c[2] == 0x03 && u.c[3] == 0x04 ? 0 : 1;""", + addmain=True, execute=True, + define='HAVE_BIG_ENDIAN', + msg="Checking for HAVE_BIG_ENDIAN - runtime") + + # Extra sanity check. + if conf.CONFIG_SET("HAVE_BIG_ENDIAN") == conf.CONFIG_SET("HAVE_LITTLE_ENDIAN"): + Logs.error("Failed endian determination. The PDP-11 is back?") + sys.exit(1) + else: + if conf.CONFIG_SET("HAVE_BIG_ENDIAN"): + conf.DEFINE('WORDS_BIGENDIAN', 1) + + # check if signal() takes a void function + if conf.CHECK_CODE('return *(signal (0, 0)) (0) == 1', + define='RETSIGTYPE_INT', + execute=False, + headers='signal.h', + msg='Checking if signal handlers return int'): + conf.DEFINE('RETSIGTYPE', 'int') + else: + conf.DEFINE('RETSIGTYPE', 'void') + + conf.CHECK_VARIABLE('__FUNCTION__', define='HAVE_FUNCTION_MACRO') + + conf.CHECK_CODE('va_list ap1,ap2; va_copy(ap1,ap2)', + define="HAVE_VA_COPY", + msg="Checking for va_copy") + + conf.CHECK_CODE(''' + #define eprintf(...) fprintf(stderr, __VA_ARGS__) + 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() + + +def build(bld): + # 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) + 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''') + + bld.SETUP_BUILD_GROUPS() + bld.ENFORCE_GROUP_ORDERING() + bld.CHECK_PROJECT_RULES() |