third_party/socket_wrapper/wscript

   1 #!/usr/bin/env python
   2
   3 import os
   4
   5 VERSION="1.3.3"
   6
   7 def configure(conf):
   8     if conf.CHECK_SOCKET_WRAPPER():
   9         conf.DEFINE('USING_SYSTEM_SOCKET_WRAPPER', 1)
  10         libsocket_wrapper_so_path = 'libsocket_wrapper.so'
  11     else:
  12
  13         if conf.CONFIG_SET("HAVE___THREAD"):
  14             conf.DEFINE("HAVE_GCC_THREAD_LOCAL_STORAGE", 1)
  15
  16         # check HAVE_FUNCTION_ATTRIBUTE_FORMAT
  17         conf.CHECK_CODE('''
  18             void log_fn(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
  19
  20             int main(void) {
  21                 return 0;
  22             }
  23             ''',
  24             'HAVE_FUNCTION_ATTRIBUTE_FORMAT',
  25             addmain=False,
  26             strict=True,
  27             msg='Checking for printf format validation support')
  28
  29         conf.CHECK_HEADERS('sys/signalfd.h')
  30         conf.CHECK_HEADERS('sys/eventfd.h')
  31         conf.CHECK_HEADERS('sys/timerfd.h')
  32         conf.CHECK_HEADERS('gnu/lib-names.h')
  33         conf.CHECK_HEADERS('rpc/rpc.h')
  34         conf.CHECK_HEADERS('netinet/tcp_fsm.h')
  35
  36         conf.CHECK_STRUCTURE_MEMBER('struct msghdr',
  37                                     'msg_control',
  38                                     headers='sys/types.h sys/socket.h',
  39                                     define='HAVE_STRUCT_MSGHDR_MSG_CONTROL')
  40
  41         conf.CHECK_STRUCTURE_MEMBER('struct in_pktinfo',
  42                                     'ipi_addr',
  43                                     headers='sys/types.h sys/socket.h netinet/in.h',
  44                                     define='HAVE_STRUCT_IN_PKTINFO')
  45
  46         conf.CHECK_STRUCTURE_MEMBER('struct in6_pktinfo',
  47                                     'ipi6_addr',
  48                                     headers='sys/types.h sys/socket.h netinet/in.h',
  49                                     define='HAVE_STRUCT_IN6_PKTINFO')
  50
  51         conf.CHECK_FUNCS('getaddrinfo')
  52         conf.CHECK_FUNCS('signalfd eventfd timerfd_create')
  53         conf.CHECK_FUNCS('bindresvport')
  54         conf.CHECK_FUNCS('pledge')
  55         conf.CHECK_FUNCS('accept4')
  56         conf.CHECK_FUNCS('__close_nocancel')
  57
  58         conf.CHECK_FUNCS_IN('bind',
  59                             'socket',
  60                             checklibc=True,
  61                             headers='sys/types.h sys/socket.h')
  62
  63         conf.CHECK_C_PROTOTYPE('accept',
  64                                'int accept(int s, struct sockaddr *addr, Psocklen_t addrlen)',
  65                                define='HAVE_ACCEPT_PSOCKLEN_T', headers='sys/types.h sys/socket.h')
  66
  67         conf.CHECK_C_PROTOTYPE('ioctl',
  68                                'int ioctl(int s, int r, ...)',
  69                                define='HAVE_IOCTL_INT', headers='unistd.h sys/ioctl.h')
  70
  71         if conf.CONFIG_SET("HAVE_EVENTFD"):
  72             conf.CHECK_C_PROTOTYPE('eventfd',
  73                                    'int eventfd(unsigned int count, int flags)',
  74                                    define='HAVE_EVENTFD_UNSIGNED_INT', headers='sys/eventfd.h')
  75
  76         # FreeBSD exports each syscall also with '_' as prefix
  77         # and these symbols are used if called by system libraries itself.
  78         # That means socket_wrapper needs to implement these too
  79         # in order to inject itself into system libraries,
  80         # we just check for _socket and _close and assume the rest
  81         # is also there...
  82         conf.CHECK_FUNCS('_socket _close')
  83
  84         # Create full path to socket_wrapper
  85         blddir = os.path.realpath(conf.bldnode.abspath())
  86         libsocket_wrapper_so_path = blddir + '/default/third_party/socket_wrapper/libsocket-wrapper.so'
  87
  88     conf.DEFINE('LIBSOCKET_WRAPPER_SO_PATH', libsocket_wrapper_so_path)
  89     conf.DEFINE('SOCKET_WRAPPER', 1)
  90
  91 def build(bld):
  92     if not bld.CONFIG_SET("USING_SYSTEM_SOCKET_WRAPPER"):
  93         # We need to do it this way or the library wont work.
  94         # Using private_library=True will add symbol version which
  95         # breaks preloading!
  96         bld.SAMBA_LIBRARY('socket_wrapper',
  97                           source='socket_wrapper.c',
  98                           cflags='-D%s="%s" -D%s="%s"' % (
  99                               "SOCKET_WRAPPER_PACKAGE",
 100                               "samba_socket_wrapper",
 101                               "SOCKET_WRAPPER_VERSION",
 102                               VERSION),
 103                           deps='dl pthread tirpc',
 104                           install=False,
 105                           realname='libsocket-wrapper.so')