swrap: use LIBC_SO from GNU libc, if available
[Samba/wip.git] / lib / socket_wrapper / wscript
blobfba50986c2d5395017230cc9e45525bad90b1dc6
1 #!/usr/bin/env python
3 import os
5 VERSION="1.0.2"
7 def configure(conf):
8 if conf.CHECK_BUNDLED_SYSTEM('socket_wrapper', minversion=VERSION, set_target=False):
9 conf.DEFINE('USING_SYSTEM_SOCKET_WRAPPER', 1)
10 libsocket_wrapper_so_path = 'libsocket_wrapper.so'
11 else:
12 # check HAVE_GCC_THREAD_LOCAL_STORAGE
13 conf.CHECK_CODE('''
14 __thread int tls;
16 int main(void) {
17 return 0;
19 ''',
20 'HAVE_GCC_THREAD_LOCAL_STORAGE',
21 addmain=False,
22 msg='Checking for thread local storage')
24 # check HAVE_DESTRUCTOR_ATTRIBUTE
25 conf.CHECK_CODE('''
26 void test_destructor_attribute(void) __attribute__ ((destructor));
28 void test_destructor_attribute(void)
30 return;
33 int main(void) {
34 return 0;
36 ''',
37 'HAVE_DESTRUCTOR_ATTRIBUTE',
38 addmain=False,
39 msg='Checking for library destructor support')
41 conf.CHECK_HEADERS('sys/signalfd.h')
42 conf.CHECK_HEADERS('sys/eventfd.h')
43 conf.CHECK_HEADERS('sys/timerfd.h')
44 conf.CHECK_HEADERS('gnu/lib-names.h')
46 conf.CHECK_STRUCTURE_MEMBER('struct msghdr',
47 'msg_control',
48 headers='sys/types.h sys/socket.h',
49 define='HAVE_STRUCT_MSGHDR_MSG_CONTROL')
51 conf.CHECK_FUNCS('getaddrinfo')
52 conf.CHECK_FUNCS('signalfd eventfd timerfd_create')
54 conf.CHECK_FUNCS_IN('bind',
55 'socket',
56 checklibc=True,
57 headers='sys/types.h sys/socket.h')
59 conf.CHECK_C_PROTOTYPE('accept',
60 'int accept(int s, struct sockaddr *addr, Psocklen_t addrlen)',
61 define='HAVE_ACCEPT_PSOCKLEN_T', headers='sys/types.h sys/socket.h')
63 conf.CHECK_C_PROTOTYPE('ioctl',
64 'int ioctl(int s, int r, ...)',
65 define='HAVE_IOCTL_INT', headers='unistd.h sys/ioctl.h')
67 # Create full path to socket_wrapper
68 srcdir = os.path.realpath(conf.srcdir)
69 libsocket_wrapper_so_path = srcdir + '/bin/default/lib/socket_wrapper/libsocket-wrapper.so'
71 conf.DEFINE('LIBSOCKET_WRAPPER_SO_PATH', libsocket_wrapper_so_path)
72 conf.DEFINE('SOCKET_WRAPPER', 1)
74 def build(bld):
75 if not bld.CONFIG_SET("USING_SYSTEM_SOCKET_WRAPPER"):
76 # We need to do it this way or the library wont work.
77 # Using private_library=True will add symbol version which
78 # breaks preloading!
79 bld.SAMBA_LIBRARY('socket_wrapper',
80 source='socket_wrapper.c',
81 cflags='-DNDEBUG',
82 deps='dl',
83 install=False,
84 realname='libsocket-wrapper.so')