lib/replace/wscript

   1 #!/usr/bin/env python
   2
   3 APPNAME = 'libreplace'
   4 VERSION = '1.2.1'
   5
   6 blddir = 'bin'
   7
   8 import sys, os, Utils
   9
  10 # find the buildtools directory
  11 srcdir = '.'
  12 while not os.path.exists(srcdir+'/buildtools') and len(srcdir.split('/')) < 5:
  13     srcdir = '../' + srcdir
  14 sys.path.insert(0, srcdir + '/buildtools/wafsamba')
  15
  16 import wafsamba, samba_dist
  17 import Options, os, preproc
  18
  19 samba_dist.DIST_DIRS('lib/replace buildtools:buildtools')
  20
  21 def set_options(opt):
  22     opt.BUILTIN_DEFAULT('NONE')
  23     opt.PRIVATE_EXTENSION_DEFAULT('')
  24     opt.RECURSE('buildtools/wafsamba')
  25
  26 @wafsamba.runonce
  27 def configure(conf):
  28     conf.RECURSE('buildtools/wafsamba')
  29
  30     conf.env.standalone_replace = conf.IN_LAUNCH_DIR()
  31
  32     conf.DEFINE('HAVE_LIBREPLACE', 1)
  33     conf.DEFINE('LIBREPLACE_NETWORK_CHECKS', 1)
  34
  35     # on Tru64 certain features are only available with _OSF_SOURCE set to 1
  36     # and _XOPEN_SOURCE set to 600
  37     if conf.env['SYSTEM_UNAME_SYSNAME'] == 'OSF1':
  38         conf.DEFINE('_OSF_SOURCE', 1, add_to_cflags=True)
  39         conf.DEFINE('_XOPEN_SOURCE', 600, add_to_cflags=True)
  40
  41     # SCM_RIGHTS is only avail if _XOPEN_SOURCE iѕ defined on IRIX
  42     if conf.env['SYSTEM_UNAME_SYSNAME'] == 'IRIX':
  43         conf.DEFINE('_XOPEN_SOURCE', 600, add_to_cflags=True)
  44         conf.DEFINE('_BSD_TYPES', 1, add_to_cflags=True)
  45
  46     # Try to find the right extra flags for C99 initialisers
  47     for f in ["", "-AC99", "-qlanglvl=extc99", "-qlanglvl=stdc99", "-c99"]:
  48         if conf.CHECK_CFLAGS([f], '''
  49 struct foo {int x;char y;};
  50 struct foo bar = { .y = 'X', .x = 1 };
  51 '''):
  52             if f != "":
  53                 conf.ADD_CFLAGS(f)
  54             break
  55
  56     if conf.CHECK_CFLAGS(['-fstack-protector']) and conf.CHECK_LDFLAGS(['-fstack-protector']):
  57         conf.ADD_CFLAGS('-fstack-protector')
  58         conf.ADD_LDFLAGS('-fstack-protector')
  59
  60     # Try to find the right extra flags for -Werror behaviour
  61     for f in ["-Werror",       # GCC
  62               "-errwarn=%all", # Sun Studio
  63               "-qhalt=w",     # IBM xlc
  64               "-w2",           # Tru64
  65               ]:
  66         if conf.CHECK_CFLAGS([f], '''
  67 '''):
  68             if not 'WERROR_CFLAGS' in conf.env:
  69                 conf.env['WERROR_CFLAGS'] = []
  70             conf.env['WERROR_CFLAGS'].extend([f])
  71             break
  72
  73     conf.CHECK_HEADERS('linux/types.h crypt.h locale.h acl/libacl.h compat.h')
  74     conf.CHECK_HEADERS('acl/libacl.h attr/xattr.h compat.h ctype.h dustat.h')
  75     conf.CHECK_HEADERS('fcntl.h fnmatch.h glob.h history.h krb5.h langinfo.h')
  76     conf.CHECK_HEADERS('libaio.h locale.h ndir.h pwd.h')
  77     conf.CHECK_HEADERS('shadow.h sys/acl.h')
  78     conf.CHECK_HEADERS('sys/attributes.h attr/attributes.h sys/capability.h sys/dir.h sys/epoll.h')
  79     conf.CHECK_HEADERS('sys/fcntl.h sys/filio.h sys/filsys.h sys/fs/s5param.h sys/fs/vx/quota.h')
  80     conf.CHECK_HEADERS('sys/id.h sys/ioctl.h sys/ipc.h sys/mman.h sys/mode.h sys/ndir.h sys/priv.h')
  81     conf.CHECK_HEADERS('sys/resource.h sys/security.h sys/shm.h sys/statfs.h sys/statvfs.h sys/termio.h')
  82     conf.CHECK_HEADERS('sys/vfs.h sys/xattr.h termio.h termios.h sys/file.h')
  83     conf.CHECK_HEADERS('sys/ucontext.h sys/wait.h sys/stat.h malloc.h grp.h')
  84     conf.CHECK_HEADERS('sys/select.h setjmp.h utime.h sys/syslog.h syslog.h')
  85     conf.CHECK_HEADERS('stdarg.h vararg.h sys/mount.h mntent.h')
  86     conf.CHECK_HEADERS('stropts.h unix.h string.h strings.h sys/param.h limits.h')
  87     conf.CHECK_HEADERS('''sys/socket.h netinet/in.h netdb.h arpa/inet.h netinet/in_systm.h
  88                           netinet/ip.h netinet/tcp.h netinet/in_ip.h
  89                           sys/sockio.h sys/un.h''', together=True)
  90     conf.CHECK_HEADERS('sys/uio.h ifaddrs.h direct.h dirent.h')
  91     conf.CHECK_HEADERS('windows.h winsock2.h ws2tcpip.h')
  92     conf.CHECK_HEADERS('libintl.h errno.h')
  93     conf.CHECK_HEADERS('gcrypt.h getopt.h iconv.h')
  94     conf.CHECK_HEADERS('sys/inotify.h memory.h nss.h sasl/sasl.h')
  95     conf.CHECK_HEADERS('security/pam_appl.h zlib.h asm/unistd.h')
  96     conf.CHECK_HEADERS('aio.h sys/unistd.h rpc/rpc.h rpc/nettype.h alloca.h float.h')
  97
  98     conf.CHECK_HEADERS('rpcsvc/nis.h rpcsvc/ypclnt.h sys/sysctl.h')
  99     conf.CHECK_HEADERS('sys/fileio.h sys/filesys.h sys/dustat.h sys/sysmacros.h')
 100     conf.CHECK_HEADERS('xfs/libxfs.h netgroup.h')
 101
 102     conf.CHECK_CODE('', headers='rpc/rpc.h rpcsvc/yp_prot.h', define='HAVE_RPCSVC_YP_PROT_H')
 103
 104     conf.CHECK_HEADERS('valgrind.h valgrind/valgrind.h valgrind/memcheck.h')
 105     conf.CHECK_HEADERS('nss_common.h nsswitch.h ns_api.h')
 106     conf.CHECK_HEADERS('sys/extattr.h sys/ea.h sys/proplist.h sys/cdefs.h')
 107     conf.CHECK_HEADERS('utmp.h utmpx.h lastlog.h malloc.h')
 108     conf.CHECK_HEADERS('syscall.h sys/syscall.h inttypes.h')
 109
 110     # Check for process set name support
 111     conf.CHECK_CODE('''
 112                     #include <sys/prctl.h>
 113                     int main(void) {
 114                         prctl(0);
 115                         return 0;
 116                     }
 117                     ''',
 118                     'HAVE_PRCTL',
 119                     headers='sys/prctl.h',
 120                     msg='Checking for prctl syscall')
 121
 122     conf.CHECK_CODE('''
 123                     #include <unistd.h>
 124                     #ifdef HAVE_FCNTL_H
 125                     #include <fcntl.h>
 126                     #endif
 127                     int main(void) { int fd = open("/dev/null", O_DIRECT); }
 128                     ''',
 129                     define='HAVE_OPEN_O_DIRECT',
 130                     addmain=False,
 131                     msg='Checking for O_DIRECT flag to open(2)')
 132
 133     conf.CHECK_TYPES('"long long" intptr_t uintptr_t ptrdiff_t comparison_fn_t')
 134     conf.CHECK_TYPE('_Bool', define='HAVE__Bool')
 135     conf.CHECK_TYPE('bool', define='HAVE_BOOL')
 136
 137     conf.CHECK_TYPE('int8_t', 'char')
 138     conf.CHECK_TYPE('uint8_t', 'unsigned char')
 139     conf.CHECK_TYPE('int16_t', 'short')
 140     conf.CHECK_TYPE('uint16_t', 'unsigned short')
 141     conf.CHECK_TYPE('int32_t', 'int')
 142     conf.CHECK_TYPE('uint32_t', 'unsigned')
 143     conf.CHECK_TYPE('int64_t', 'long long')
 144     conf.CHECK_TYPE('uint64_t', 'unsigned long long')
 145     conf.CHECK_TYPE('size_t', 'unsigned int')
 146     conf.CHECK_TYPE('ssize_t', 'int')
 147     conf.CHECK_TYPE('ino_t', 'unsigned')
 148     conf.CHECK_TYPE('loff_t', 'off_t')
 149     conf.CHECK_TYPE('offset_t', 'loff_t')
 150     conf.CHECK_TYPE('volatile int', define='HAVE_VOLATILE')
 151     conf.CHECK_TYPE('uint_t', 'unsigned int')
 152     conf.CHECK_TYPE('blksize_t', 'long', headers='sys/types.h sys/stat.h unistd.h')
 153     conf.CHECK_TYPE('blkcnt_t', 'long', headers='sys/types.h sys/stat.h unistd.h')
 154
 155     conf.CHECK_SIZEOF('bool char int "long long" long short size_t ssize_t')
 156     conf.CHECK_SIZEOF('int8_t uint8_t int16_t uint16_t int32_t uint32_t int64_t uint64_t')
 157     conf.CHECK_SIZEOF('void*', define='SIZEOF_VOID_P')
 158     conf.CHECK_SIZEOF('off_t dev_t ino_t time_t')
 159
 160     conf.CHECK_TYPES('socklen_t', headers='sys/socket.h')
 161     conf.CHECK_TYPE_IN('struct ifaddrs', 'ifaddrs.h')
 162     conf.CHECK_TYPE_IN('struct addrinfo', 'netdb.h')
 163     conf.CHECK_TYPE_IN('struct sockaddr', 'sys/socket.h')
 164     conf.CHECK_CODE('struct sockaddr_in6 x', define='HAVE_STRUCT_SOCKADDR_IN6',
 165                     headers='sys/socket.h netdb.h netinet/in.h')
 166     conf.CHECK_TYPE_IN('struct sockaddr_storage', 'sys/socket.h')
 167     conf.CHECK_TYPE_IN('sa_family_t', 'sys/socket.h')
 168
 169     conf.CHECK_TYPE_IN('sig_atomic_t', 'signal.h', define='HAVE_SIG_ATOMIC_T_TYPE')
 170
 171     conf.CHECK_FUNCS_IN('''inet_ntoa inet_aton inet_ntop inet_pton connect gethostbyname
 172                            getaddrinfo getnameinfo freeaddrinfo gai_strerror socketpair''',
 173                         'socket nsl', checklibc=True,
 174                         headers='sys/socket.h netinet/in.h arpa/inet.h netdb.h')
 175
 176     # Some old Linux systems have broken header files and
 177     # miss the IPV6_V6ONLY define in netinet/in.h,
 178     # but have it in linux/in6.h.
 179     # We can't include both files so we just check if the value
 180     # if defined and do the replacement in system/network.h
 181     if not conf.CHECK_VARIABLE('IPV6_V6ONLY',
 182                                headers='sys/socket.h netdb.h netinet/in.h'):
 183         conf.CHECK_CODE('''
 184                         #include <linux/in6.h>
 185                         #if (IPV6_V6ONLY != 26)
 186                         #error no IPV6_V6ONLY support on linux
 187                         #endif
 188                         int main(void) { return IPV6_V6ONLY; }
 189                         ''',
 190                         define='HAVE_LINUX_IPV6_V6ONLY_26',
 191                         addmain=False,
 192                         msg='Checking for IPV6_V6ONLY in linux/in6.h',
 193                         local_include=False)
 194
 195     conf.CHECK_CODE('''
 196                        struct sockaddr_storage sa_store;
 197                        struct addrinfo *ai = NULL;
 198                        struct in6_addr in6addr;
 199                        int idx = if_nametoindex("iface1");
 200                        int s = socket(AF_INET6, SOCK_STREAM, 0);
 201                        int ret = getaddrinfo(NULL, NULL, NULL, &ai);
 202                        if (ret != 0) {
 203                            const char *es = gai_strerror(ret);
 204                        }
 205                        freeaddrinfo(ai);
 206                        {
 207                           int val = 1;
 208                           #ifdef HAVE_LINUX_IPV6_V6ONLY_26
 209                           #define IPV6_V6ONLY 26
 210                           #endif
 211                           ret = setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY,
 212                                            (const void *)&val, sizeof(val));
 213                        }
 214                        ''',
 215                     define='HAVE_IPV6',
 216                     lib='nsl socket',
 217                     headers='sys/socket.h netdb.h netinet/in.h')
 218
 219     if conf.CONFIG_SET('HAVE_SYS_UCONTEXT_H') and conf.CONFIG_SET('HAVE_SIGNAL_H'):
 220         conf.CHECK_CODE('''
 221                        ucontext_t uc;
 222                        sigaddset(&uc.uc_sigmask, SIGUSR1);
 223                        ''',
 224                        'HAVE_UCONTEXT_T',
 225                        msg="Checking whether we have ucontext_t",
 226                        headers='signal.h sys/ucontext.h')
 227
 228     # these may be builtins, so we need the link=False strategy
 229     conf.CHECK_FUNCS('strdup memmem printf memset memcpy memmove strcpy strncpy bzero', link=False)
 230
 231     # See https://bugzilla.samba.org/show_bug.cgi?id=1097
 232     #
 233     # Ported in from autoconf where it was added with this commit:
 234     # commit 804cfb20a067b4b687089dc72a8271b3abf20f31
 235     # Author: Simo Sorce <idra@samba.org>
 236     # Date:   Wed Aug 25 14:24:16 2004 +0000
 237     #     r2070: Let's try to overload srnlen and strndup for AIX where they are natly broken.
 238
 239     host_os = sys.platform
 240     if host_os.rfind('aix') > -1:
 241         conf.DEFINE('BROKEN_STRNLEN', 1)
 242         conf.DEFINE('BROKEN_STRNDUP', 1)
 243
 244     conf.CHECK_FUNCS('shl_load shl_unload shl_findsym')
 245     conf.CHECK_FUNCS('pipe strftime srandom random srand rand usleep setbuffer')
 246     conf.CHECK_FUNCS('lstat getpgrp utime utimes setuid seteuid setreuid setresuid setgid setegid')
 247     conf.CHECK_FUNCS('setregid setresgid chroot strerror vsyslog setlinebuf mktime')
 248     conf.CHECK_FUNCS('ftruncate chsize rename waitpid wait4')
 249     conf.CHECK_FUNCS('initgroups pread pwrite strndup strcasestr')
 250     conf.CHECK_FUNCS('strtok_r mkdtemp dup2 dprintf vdprintf isatty chown lchown')
 251     conf.CHECK_FUNCS('link readlink symlink realpath snprintf vsnprintf')
 252     conf.CHECK_FUNCS('asprintf vasprintf setenv unsetenv strnlen strtoull __strtoull')
 253     conf.CHECK_FUNCS('strtouq strtoll __strtoll strtoq memalign posix_memalign')
 254     conf.CHECK_FUNCS('prctl')
 255
 256     # libbsd on some platforms provides strlcpy and strlcat
 257     if not conf.CHECK_FUNCS('strlcpy strlcat'):
 258         conf.CHECK_FUNCS_IN('strlcpy strlcat', 'bsd', headers='bsd/string.h',
 259                 checklibc=True)
 260     if not conf.CHECK_FUNCS('getpeereid'):
 261         conf.CHECK_FUNCS_IN('getpeereid', 'bsd', headers='sys/types.h bsd/unistd.h')
 262     if not conf.CHECK_FUNCS_IN('setproctitle', 'bsd', headers='sys/types.h bsd/unistd.h'):
 263         conf.CHECK_FUNCS_IN('setproctitle', 'setproctitle', headers='setproctitle.h')
 264
 265     conf.CHECK_CODE('''
 266                 struct ucred cred;
 267                 socklen_t cred_len;
 268                 int ret = getsockopt(0, SOL_SOCKET, SO_PEERCRED, &cred, &cred_len);''',
 269                 'HAVE_PEERCRED',
 270                 msg="Checking whether we can use SO_PEERCRED to get socket credentials",
 271                 headers='sys/types.h sys/socket.h')
 272
 273     #Some OS (ie. freebsd) return EINVAL if the convertion could not be done, it's not what we expect
 274     #Let's detect those cases
 275     if conf.CONFIG_SET('HAVE_STRTOLL'):
 276         conf.CHECK_CODE('''
 277                         long long nb = strtoll("Text", NULL, 0);
 278                         if (errno == EINVAL) {
 279                             return 0;
 280                         } else {
 281                             return 1;
 282                         }
 283                         ''',
 284                         msg="Checking correct behavior of strtoll",
 285                         headers = 'errno.h',
 286                         execute = True,
 287                         define = 'HAVE_BSD_STRTOLL',
 288                         )
 289     conf.CHECK_FUNCS('if_nametoindex strerror_r')
 290     conf.CHECK_FUNCS('getdirentries getdents syslog')
 291     conf.CHECK_FUNCS('gai_strerror get_current_dir_name')
 292     conf.CHECK_FUNCS('timegm getifaddrs freeifaddrs mmap setgroups syscall setsid')
 293     conf.CHECK_FUNCS('getgrent_r getgrgid_r getgrnam_r getgrouplist getpagesize')
 294     conf.CHECK_FUNCS('getpwent_r getpwnam_r getpwuid_r epoll_create')
 295
 296     conf.SET_TARGET_TYPE('attr', 'EMPTY')
 297
 298     xattr_headers='sys/attributes.h attr/xattr.h sys/xattr.h'
 299
 300     conf.CHECK_FUNCS_IN('''
 301 fgetxattr flistea flistxattr
 302 fremovexattr fsetxattr getxattr
 303 listxattr removexattr setxattr
 304 ''', 'attr', checklibc=True, headers=xattr_headers)
 305
 306     # We need to check for linux xattrs first, as we do not wish to link to -lattr
 307     # (the XFS compat API) on Linux systems with the native xattr API
 308     if not conf.CONFIG_SET('HAVE_GETXATTR'):
 309         conf.CHECK_FUNCS_IN('''
 310 attr_get attr_getf attr_list attr_listf attropen attr_remove
 311 attr_removef attr_set attr_setf extattr_delete_fd extattr_delete_file
 312 extattr_get_fd extattr_get_file extattr_list_fd extattr_list_file
 313 extattr_set_fd extattr_set_file fgetea
 314 fremoveea fsetea getea listea
 315 removeea setea
 316 ''', 'attr', checklibc=True, headers=xattr_headers)
 317
 318     if (conf.CONFIG_SET('HAVE_ATTR_LISTF') or
 319         conf.CONFIG_SET('HAVE_EXTATTR_LIST_FD') or
 320         conf.CONFIG_SET('HAVE_FLISTEA') or
 321         conf.CONFIG_SET('HAVE_FLISTXATTR')):
 322             conf.DEFINE('HAVE_XATTR_SUPPORT', 1)
 323
 324     # Darwin has extra options to xattr-family functions
 325     conf.CHECK_CODE('getxattr(NULL, NULL, NULL, 0, 0, 0)',
 326                     headers=xattr_headers, local_include=False,
 327                     define='XATTR_ADDITIONAL_OPTIONS',
 328                     msg="Checking whether xattr interface takes additional options")
 329
 330     conf.CHECK_FUNCS_IN('dlopen dlsym dlerror dlclose', 'dl',
 331                         checklibc=True, headers='dlfcn.h dl.h')
 332
 333     conf.CHECK_C_PROTOTYPE('dlopen', 'void *dlopen(const char* filename, unsigned int flags)',
 334                            define='DLOPEN_TAKES_UNSIGNED_FLAGS', headers='dlfcn.h dl.h')
 335
 336     if conf.CHECK_FUNCS_IN('fdatasync', 'rt', checklibc=True):
 337         # some systems are missing the declaration
 338         conf.CHECK_DECLS('fdatasync')
 339
 340     if conf.CHECK_FUNCS_IN('clock_gettime', 'rt', checklibc=True):
 341         for c in ['CLOCK_MONOTONIC', 'CLOCK_PROCESS_CPUTIME_ID', 'CLOCK_REALTIME']:
 342             conf.CHECK_CODE('''
 343                 #if TIME_WITH_SYS_TIME
 344                 # include <sys/time.h>
 345                 # include <time.h>
 346                 #else
 347                 # if HAVE_SYS_TIME_H
 348                 #  include <sys/time.h>
 349                 # else
 350                 #  include <time.h>
 351                 # endif
 352                 #endif
 353                 clockid_t clk = %s''' % c,
 354                 'HAVE_%s' % c,
 355                 msg='Checking whether the clock_gettime clock ID %s is available' % c)
 356
 357     conf.CHECK_TYPE('struct timespec', headers='sys/time.h time.h')
 358
 359     # these headers need to be tested as a group on freebsd
 360     conf.CHECK_HEADERS(headers='sys/socket.h net/if.h', together=True)
 361     conf.CHECK_HEADERS(headers='netinet/in.h arpa/nameser.h resolv.h', together=True)
 362     conf.CHECK_FUNCS_IN('res_search', 'resolv', checklibc=True,
 363                         headers='netinet/in.h arpa/nameser.h resolv.h')
 364
 365
 366     if not conf.CHECK_FUNCS_IN('gettext', 'intl', checklibc=True, headers='libintl.h'):
 367     # Some hosts need lib iconv for linking with lib intl
 368     # So we try with flags just in case it helps.
 369         oldflags = conf.env['LDFLAGS_INTL']
 370         conf.env['LDFLAGS_INTL'] = "-liconv"
 371         if not conf.CHECK_LIB('intl'):
 372             conf.env['LDFLAGS_INTL'] = oldflags
 373         else:
 374             conf.CHECK_FUNCS_IN('gettext', 'intl', checklibc=True, headers='libintl.h')
 375
 376     conf.CHECK_FUNCS_IN('dgettext gettext', 'intl', headers='libintl.h')
 377     conf.CHECK_FUNCS_IN('pthread_create', 'pthread', checklibc=True, headers='pthread.h')
 378
 379     conf.CHECK_FUNCS_IN('crypt', 'crypt', checklibc=True)
 380
 381     conf.CHECK_VARIABLE('rl_event_hook', define='HAVE_DECL_RL_EVENT_HOOK', always=True,
 382                         headers='readline.h readline/readline.h readline/history.h')
 383
 384     conf.CHECK_DECLS('snprintf vsnprintf asprintf vasprintf')
 385
 386     conf.CHECK_DECLS('errno', headers='errno.h', reverse=True)
 387     conf.CHECK_DECLS('environ getgrent_r getpwent_r', reverse=True, headers='pwd.h grp.h')
 388     conf.CHECK_DECLS('pread pwrite setenv setresgid setresuid', reverse=True)
 389
 390     if conf.CONFIG_SET('HAVE_EPOLL_CREATE') and conf.CONFIG_SET('HAVE_SYS_EPOLL_H'):
 391         conf.DEFINE('HAVE_EPOLL', 1)
 392
 393     conf.CHECK_HEADERS('poll.h')
 394     conf.CHECK_FUNCS('poll')
 395
 396     conf.CHECK_FUNCS('strptime')
 397     conf.CHECK_DECLS('strptime', headers='time.h')
 398     conf.CHECK_CODE('''#define LIBREPLACE_CONFIGURE_TEST_STRPTIME
 399                        #include "test/strptime.c"''',
 400                        define='HAVE_WORKING_STRPTIME',
 401                        execute=True,
 402                        addmain=False,
 403                        msg='Checking for working strptime')
 404
 405     conf.CHECK_CODE('gettimeofday(NULL, NULL)', 'HAVE_GETTIMEOFDAY_TZ', execute=False)
 406
 407     conf.CHECK_CODE('#include "test/snprintf.c"',
 408                     define="HAVE_C99_VSNPRINTF",
 409                     execute=True,
 410                     addmain=False,
 411                     msg="Checking for C99 vsnprintf")
 412
 413     conf.CHECK_CODE('#include "test/shared_mmap.c"',
 414                     addmain=False, add_headers=False, execute=True,
 415                     define='HAVE_SHARED_MMAP',
 416                     msg="Checking for HAVE_SHARED_MMAP")
 417
 418     conf.CHECK_CODE('#include "test/shared_mremap.c"',
 419                     addmain=False, add_headers=False, execute=True,
 420                     define='HAVE_MREMAP',
 421                     msg="Checking for HAVE_MREMAP")
 422
 423     # OpenBSD (and I've heard HPUX) doesn't sync between mmap and write.
 424     # FIXME: Anything other than a 0 or 1 exit code should abort configure!
 425     conf.CHECK_CODE('#include "test/incoherent_mmap.c"',
 426                     addmain=False, add_headers=False, execute=True,
 427                     define='HAVE_INCOHERENT_MMAP',
 428                     msg="Checking for HAVE_INCOHERENT_MMAP")
 429
 430     conf.SAMBA_BUILD_ENV()
 431
 432     conf.CHECK_CODE('''
 433                     typedef struct {unsigned x;} FOOBAR;
 434                     #define X_FOOBAR(x) ((FOOBAR) { x })
 435                     #define FOO_ONE X_FOOBAR(1)
 436                     FOOBAR f = FOO_ONE;
 437                     static const struct {
 438                         FOOBAR y;
 439                     } f2[] = {
 440                         {FOO_ONE}
 441                     };
 442                     static const FOOBAR f3[] = {FOO_ONE};
 443                     ''',
 444                     define='HAVE_IMMEDIATE_STRUCTURES')
 445
 446     conf.CHECK_CODE('mkdir("foo",0777)', define='HAVE_MKDIR_MODE', headers='sys/stat.h')
 447
 448     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtim.tv_nsec', define='HAVE_STAT_TV_NSEC',
 449                                 headers='sys/stat.h')
 450     # we need the st_rdev test under two names
 451     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_rdev',
 452                                 define='HAVE_STRUCT_STAT_ST_RDEV',
 453                                 headers='sys/stat.h')
 454     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_rdev', define='HAVE_ST_RDEV',
 455                                 headers='sys/stat.h')
 456     conf.CHECK_STRUCTURE_MEMBER('struct sockaddr_storage', 'ss_family',
 457                                 headers='sys/socket.h netinet/in.h')
 458     conf.CHECK_STRUCTURE_MEMBER('struct sockaddr_storage', '__ss_family',
 459                                 headers='sys/socket.h netinet/in.h')
 460
 461
 462     if conf.CHECK_STRUCTURE_MEMBER('struct sockaddr', 'sa_len',
 463                                    headers='sys/socket.h netinet/in.h',
 464                                    define='HAVE_SOCKADDR_SA_LEN'):
 465         # the old build system produced both defines
 466         conf.DEFINE('HAVE_STRUCT_SOCKADDR_SA_LEN', 1)
 467
 468     conf.CHECK_STRUCTURE_MEMBER('struct sockaddr_in', 'sin_len',
 469                                 headers='sys/socket.h netinet/in.h',
 470                                 define='HAVE_SOCK_SIN_LEN')
 471
 472     conf.CHECK_CODE('struct sockaddr_un sunaddr; sunaddr.sun_family = AF_UNIX;',
 473                     define='HAVE_UNIXSOCKET', headers='sys/socket.h sys/un.h')
 474
 475
 476     conf.CHECK_CODE('''
 477                     struct stat st;
 478                     char tpl[20]="/tmp/test.XXXXXX";
 479                     char tpl2[20]="/tmp/test.XXXXXX";
 480                     int fd = mkstemp(tpl);
 481                     int fd2 = mkstemp(tpl2);
 482                     if (fd == -1) {
 483                           if (fd2 != -1) {
 484                                   unlink(tpl2);
 485                           }
 486                           exit(1);
 487                     }
 488                     if (fd2 == -1) exit(1);
 489                     unlink(tpl);
 490                     unlink(tpl2);
 491                     if (fstat(fd, &st) != 0) exit(1);
 492                     if ((st.st_mode & 0777) != 0600) exit(1);
 493                     if (strcmp(tpl, "/tmp/test.XXXXXX") == 0) {
 494                           exit(1);
 495                     }
 496                     if (strcmp(tpl, tpl2) == 0) {
 497                           exit(1);
 498                     }
 499                     exit(0);
 500                     ''',
 501                     define='HAVE_SECURE_MKSTEMP',
 502                     execute=True,
 503                     mandatory=True) # lets see if we get a mandatory failure for this one
 504
 505     if conf.CHECK_CFLAGS('-fvisibility=hidden'):
 506         conf.env.VISIBILITY_CFLAGS = '-fvisibility=hidden'
 507         conf.CHECK_CODE('''void vis_foo1(void) {}
 508                            __attribute__((visibility("default"))) void vis_foo2(void) {}''',
 509                         cflags=conf.env.VISIBILITY_CFLAGS,
 510                         define='HAVE_VISIBILITY_ATTR')
 511
 512     # look for a method of finding the list of network interfaces
 513     for method in ['HAVE_IFACE_GETIFADDRS', 'HAVE_IFACE_AIX', 'HAVE_IFACE_IFCONF', 'HAVE_IFACE_IFREQ']:
 514         if conf.CHECK_CODE('''
 515                            #define %s 1
 516                            #define NO_CONFIG_H 1
 517                            #define AUTOCONF_TEST 1
 518                            #define SOCKET_WRAPPER_NOT_REPLACE
 519                            #include "replace.c"
 520                            #include "inet_ntop.c"
 521                            #include "snprintf.c"
 522                            #include "getifaddrs.c"
 523                            #define getifaddrs_test main
 524                            #include "test/getifaddrs.c"
 525                            ''' % method,
 526                            method,
 527                            lib='nsl socket',
 528                            addmain=False,
 529                            execute=True):
 530             break
 531
 532     conf.RECURSE('system')
 533     conf.SAMBA_CONFIG_H()
 534
 535
 536 REPLACEMENT_FUNCTIONS = {
 537     'replace.c': ['ftruncate', 'strlcpy', 'strlcat', 'mktime', 'initgroups',
 538                   'memmove', 'strdup', 'setlinebuf', 'vsyslog', 'strnlen',
 539                   'strndup', 'waitpid', 'seteuid', 'setegid', 'chroot',
 540                   'mkstemp', 'mkdtemp', 'pread', 'pwrite', 'strcasestr',
 541                   'strtok_r', 'strtoll', 'strtoull', 'setenv', 'unsetenv',
 542                   'utime', 'utimes', 'dup2', 'chown', 'link', 'readlink',
 543                   'symlink', 'lchown', 'realpath', 'memmem', 'vdprintf',
 544                   'dprintf', 'get_current_dir_name',
 545                   'strerror_r', 'clock_gettime'],
 546     'timegm.c': ['timegm'],
 547     # Note: C99_VSNPRINTF is not a function, but a special condition
 548     # for replacement
 549     'snprintf.c': ['C99_VSNPRINTF', 'snprintf', 'vsnprintf', 'asprintf', 'vasprintf'],
 550     # Note: WORKING_STRPTIME is not a function, but a special condition
 551     # for replacement
 552     'strptime.c': ['WORKING_STRPTIME', 'strptime'],
 553     }
 554
 555
 556 def build(bld):
 557     bld.RECURSE('buildtools/wafsamba')
 558
 559     REPLACE_HOSTCC_SOURCE = ''
 560
 561     for filename, functions in REPLACEMENT_FUNCTIONS.iteritems():
 562         for function in functions:
 563             if not bld.CONFIG_SET('HAVE_%s' % function.upper()):
 564                 REPLACE_HOSTCC_SOURCE += ' %s' % filename
 565                 break
 566
 567     extra_libs = ''
 568     if bld.CONFIG_SET('HAVE_LIBBSD'): extra_libs += ' bsd'
 569
 570     bld.SAMBA_SUBSYSTEM('LIBREPLACE_HOSTCC',
 571         REPLACE_HOSTCC_SOURCE,
 572         use_hostcc=True,
 573         use_global_deps=False,
 574         cflags='-DSOCKET_WRAPPER_DISABLE=1 -DNSS_WRAPPER_DISABLE=1 -DUID_WRAPPER_DISABLE=1 -D_SAMBA_HOSTCC_',
 575         group='compiler_libraries',
 576         deps = extra_libs
 577     )
 578
 579     REPLACE_SOURCE = REPLACE_HOSTCC_SOURCE
 580
 581     if not bld.CONFIG_SET('HAVE_CRYPT'):         REPLACE_SOURCE += ' crypt.c'
 582     if not bld.CONFIG_SET('HAVE_DLOPEN'):        REPLACE_SOURCE += ' dlfcn.c'
 583     if not bld.CONFIG_SET('HAVE_POLL'):          REPLACE_SOURCE += ' poll.c'
 584
 585     if not bld.CONFIG_SET('HAVE_SOCKETPAIR'):    REPLACE_SOURCE += ' socketpair.c'
 586     if not bld.CONFIG_SET('HAVE_CONNECT'):       REPLACE_SOURCE += ' socket.c'
 587     if not bld.CONFIG_SET('HAVE_GETIFADDRS'):    REPLACE_SOURCE += ' getifaddrs.c'
 588     if not bld.CONFIG_SET('HAVE_GETADDRINFO'):   REPLACE_SOURCE += ' getaddrinfo.c'
 589     if not bld.CONFIG_SET('HAVE_INET_NTOA'):     REPLACE_SOURCE += ' inet_ntoa.c'
 590     if not bld.CONFIG_SET('HAVE_INET_ATON'):     REPLACE_SOURCE += ' inet_aton.c'
 591     if not bld.CONFIG_SET('HAVE_INET_NTOP'):     REPLACE_SOURCE += ' inet_ntop.c'
 592     if not bld.CONFIG_SET('HAVE_INET_PTON'):     REPLACE_SOURCE += ' inet_pton.c'
 593     if not bld.CONFIG_SET('HAVE_GETXATTR') or bld.CONFIG_SET('XATTR_ADDITIONAL_OPTIONS'):
 594                                                  REPLACE_SOURCE += ' xattr.c'
 595
 596     bld.SAMBA_LIBRARY('replace',
 597                       source=REPLACE_SOURCE,
 598                       group='base_libraries',
 599                       # FIXME: Ideally symbols should be hidden here so they
 600                       # don't appear in the global namespace when Samba
 601                       # libraries are loaded, but this doesn't appear to work
 602                       # at the moment:
 603                       # hide_symbols=bld.BUILTIN_LIBRARY('replace'),
 604                       private_library=True,
 605                       deps='crypt dl nsl socket rt attr' + extra_libs)
 606
 607     bld.SAMBA_SUBSYSTEM('replace-test',
 608                       source='''test/testsuite.c test/strptime.c
 609                       test/os2_delete.c test/getifaddrs.c''',
 610                       deps='replace')
 611
 612     if bld.env.standalone_replace:
 613         bld.SAMBA_BINARY('replace_testsuite',
 614                          source='test/main.c',
 615                          deps='replace replace-test',
 616                          install=False)
 617
 618     # build replacements for stdint.h and stdbool.h if needed
 619     bld.SAMBA_GENERATOR('replace_stdint_h',
 620                         rule='cp ${SRC} ${TGT}',
 621                         source='hdr_replace.h',
 622                         target='stdint.h',
 623                         enabled = not bld.CONFIG_SET('HAVE_STDINT_H'))
 624     bld.SAMBA_GENERATOR('replace_stdbool_h',
 625                         rule='cp ${SRC} ${TGT}',
 626                         source='hdr_replace.h',
 627                         target='stdbool.h',
 628                         enabled = not bld.CONFIG_SET('HAVE_STDBOOL_H'))
 629
 630 def dist():
 631     '''makes a tarball for distribution'''
 632     samba_dist.dist()