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