#!/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 os_path_relpath from optparse import SUPPRESS_HELP # 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=("comma separated list of bundled libraries. 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]"), 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=("command separated list of libraries to build directly into binaries [%s]" % 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)"), 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=("Disable use of shared libs for the listed binaries"), 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 cacheing', 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) 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) 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('--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) opt.add_option('--extra-python', type=str, help=("build selected libraries for the specified " "additional version of Python " "(example: --extra-python=/usr/bin/python3)"), metavar="PYTHON", dest='EXTRA_PYTHON', default=None) @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.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 conf.env.EXTRA_PYTHON = Options.options.EXTRA_PYTHON if (conf.env.disable_python and conf.env.EXTRA_PYTHON): Logs.error('ERROR: cannot specify both --disable-python and --extra-python.') sys.exit(1) 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.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_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') 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__') 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.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.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()