1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
|
AC_DEFUN_ONCE(AC_LIBREPLACE_NETWORK_CHECKS,
[
echo "LIBREPLACE_NETWORK_CHECKS: START"
AC_DEFINE(LIBREPLACE_NETWORK_CHECKS, 1, [LIBREPLACE_NETWORK_CHECKS were used])
LIBREPLACE_NETWORK_OBJS=""
LIBREPLACE_NETWORK_LIBS=""
AC_CHECK_HEADERS(sys/socket.h netinet/in.h netdb.h arpa/inet.h)
AC_CHECK_HEADERS(netinet/in_systm.h)
AC_CHECK_HEADERS([netinet/ip.h], [], [],[
#include <sys/types.h>
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_NETINET_IN_SYSTM_H
#include <netinet/in_systm.h>
#endif
])
AC_CHECK_HEADERS(netinet/tcp.h netinet/in_ip.h)
AC_CHECK_HEADERS(sys/sockio.h sys/un.h)
AC_CHECK_HEADERS(sys/uio.h)
dnl we need to check that net/if.h really can be used, to cope with hpux
dnl where including it always fails
AC_CACHE_CHECK([for usable net/if.h],libreplace_cv_USABLE_NET_IF_H,[
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
AC_INCLUDES_DEFAULT
#if HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#include <net/if.h>
int main(void) {return 0;}])],
[libreplace_cv_USABLE_NET_IF_H=yes],
[libreplace_cv_USABLE_NET_IF_H=no]
)
])
if test x"$libreplace_cv_USABLE_NET_IF_H" = x"yes";then
AC_DEFINE(HAVE_NET_IF_H, 1, usability of net/if.h)
fi
AC_HAVE_TYPE([socklen_t],[#include <sys/socket.h>])
AC_HAVE_TYPE([sa_family_t],[#include <sys/socket.h>])
AC_HAVE_TYPE([struct addrinfo], [#include <netdb.h>])
AC_HAVE_TYPE([struct sockaddr], [#include <sys/socket.h>])
AC_HAVE_TYPE([struct sockaddr_storage], [
#include <sys/socket.h>
#include <sys/types.h>
#include <netinet/in.h>
])
AC_HAVE_TYPE([struct sockaddr_in6], [
#include <sys/socket.h>
#include <sys/types.h>
#include <netinet/in.h>
])
if test x"$ac_cv_type_struct_sockaddr_storage" = x"yes"; then
AC_CHECK_MEMBER(struct sockaddr_storage.ss_family,
AC_DEFINE(HAVE_SS_FAMILY, 1, [Defined if struct sockaddr_storage has ss_family field]),,
[
#include <sys/socket.h>
#include <sys/types.h>
#include <netinet/in.h>
])
if test x"$ac_cv_member_struct_sockaddr_storage_ss_family" != x"yes"; then
AC_CHECK_MEMBER(struct sockaddr_storage.__ss_family,
AC_DEFINE(HAVE___SS_FAMILY, 1, [Defined if struct sockaddr_storage has __ss_family field]),,
[
#include <sys/socket.h>
#include <sys/types.h>
#include <netinet/in.h>
])
fi
fi
AC_CACHE_CHECK([for sin_len in sock],libreplace_cv_HAVE_SOCK_SIN_LEN,[
AC_TRY_COMPILE(
[
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
],[
struct sockaddr_in sock; sock.sin_len = sizeof(sock);
],[
libreplace_cv_HAVE_SOCK_SIN_LEN=yes
],[
libreplace_cv_HAVE_SOCK_SIN_LEN=no
])
])
if test x"$libreplace_cv_HAVE_SOCK_SIN_LEN" = x"yes"; then
AC_DEFINE(HAVE_SOCK_SIN_LEN,1,[Whether the sockaddr_in struct has a sin_len property])
fi
############################################
# check for unix domain sockets
AC_CACHE_CHECK([for unix domain sockets],libreplace_cv_HAVE_UNIXSOCKET,[
AC_TRY_COMPILE([
#include <sys/types.h>
#include <stdlib.h>
#include <stddef.h>
#include <sys/socket.h>
#include <sys/un.h>
],[
struct sockaddr_un sunaddr;
sunaddr.sun_family = AF_UNIX;
],[
libreplace_cv_HAVE_UNIXSOCKET=yes
],[
libreplace_cv_HAVE_UNIXSOCKET=no
])
])
if test x"$libreplace_cv_HAVE_UNIXSOCKET" = x"yes"; then
AC_DEFINE(HAVE_UNIXSOCKET,1,[If we need to build with unixscoket support])
fi
dnl The following test is roughl taken from the cvs sources.
dnl
dnl If we can't find connect, try looking in -lsocket, -lnsl, and -linet.
dnl The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has
dnl libsocket.so which has a bad implementation of gethostbyname (it
dnl only looks in /etc/hosts), so we only look for -lsocket if we need
dnl it.
AC_CHECK_FUNCS(connect)
if test x"$ac_cv_func_connect" = x"no"; then
AC_CHECK_LIB_EXT(nsl_s, LIBREPLACE_NETWORK_LIBS, connect)
AC_CHECK_LIB_EXT(nsl, LIBREPLACE_NETWORK_LIBS, connect)
AC_CHECK_LIB_EXT(socket, LIBREPLACE_NETWORK_LIBS, connect)
AC_CHECK_LIB_EXT(inet, LIBREPLACE_NETWORK_LIBS, connect)
dnl We can't just call AC_CHECK_FUNCS(connect) here,
dnl because the value has been cached.
if test x"$ac_cv_lib_ext_nsl_s_connect" = x"yes" ||
test x"$ac_cv_lib_ext_nsl_connect" = x"yes" ||
test x"$ac_cv_lib_ext_socket_connect" = x"yes" ||
test x"$ac_cv_lib_ext_inet_connect" = x"yes"
then
AC_DEFINE(HAVE_CONNECT,1,[Whether the system has connect()])
fi
fi
AC_CHECK_FUNCS(gethostbyname)
if test x"$ac_cv_func_gethostbyname" = x"no"; then
AC_CHECK_LIB_EXT(nsl_s, LIBREPLACE_NETWORK_LIBS, gethostbyname)
AC_CHECK_LIB_EXT(nsl, LIBREPLACE_NETWORK_LIBS, gethostbyname)
AC_CHECK_LIB_EXT(socket, LIBREPLACE_NETWORK_LIBS, gethostbyname)
dnl We can't just call AC_CHECK_FUNCS(gethostbyname) here,
dnl because the value has been cached.
if test x"$ac_cv_lib_ext_nsl_s_gethostbyname" = x"yes" ||
test x"$ac_cv_lib_ext_nsl_gethostbyname" = x"yes" ||
test x"$ac_cv_lib_ext_socket_gethostbyname" = x"yes"
then
AC_DEFINE(HAVE_GETHOSTBYNAME,1,
[Whether the system has gethostbyname()])
fi
fi
dnl HP-UX has if_nametoindex in -lipv6
AC_CHECK_FUNCS(if_nametoindex)
if test x"$ac_cv_func_if_nametoindex" = x"no"; then
AC_CHECK_LIB_EXT(ipv6, LIBREPLACE_NETWORK_LIBS, if_nametoindex)
dnl We can't just call AC_CHECK_FUNCS(if_nametoindex) here,
dnl because the value has been cached.
if test x"$ac_cv_lib_ext_ipv6_if_nametoindex" = x"yes"
then
AC_DEFINE(HAVE_IF_NAMETOINDEX, 1,
[Whether the system has if_nametoindex()])
fi
fi
# The following tests need LIBS="${LIBREPLACE_NETWORK_LIBS}"
old_LIBS=$LIBS
LIBS="${LIBREPLACE_NETWORK_LIBS}"
SAVE_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS -I$libreplacedir"
AC_CHECK_FUNCS(socketpair,[],[LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} socketpair.o"])
AC_CACHE_CHECK([for broken inet_ntoa],libreplace_cv_REPLACE_INET_NTOA,[
AC_TRY_RUN([
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <netinet/in.h>
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
main() { struct in_addr ip; ip.s_addr = 0x12345678;
if (strcmp(inet_ntoa(ip),"18.52.86.120") &&
strcmp(inet_ntoa(ip),"120.86.52.18")) { exit(0); }
exit(1);}],
libreplace_cv_REPLACE_INET_NTOA=yes,libreplace_cv_REPLACE_INET_NTOA=no,libreplace_cv_REPLACE_INET_NTOA=cross)])
AC_CHECK_FUNCS(inet_ntoa,[],[libreplace_cv_REPLACE_INET_NTOA=yes])
if test x"$libreplace_cv_REPLACE_INET_NTOA" = x"yes"; then
AC_DEFINE(REPLACE_INET_NTOA,1,[Whether inet_ntoa should be replaced])
LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} inet_ntoa.o"
fi
AC_CHECK_FUNCS(inet_aton,[],[LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} inet_aton.o"])
AC_CHECK_FUNCS(inet_ntop,[],[LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} inet_ntop.o"])
AC_CHECK_FUNCS(inet_pton,[],[LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} inet_pton.o"])
dnl test for getaddrinfo/getnameinfo
AC_CACHE_CHECK([for getaddrinfo],libreplace_cv_HAVE_GETADDRINFO,[
AC_TRY_LINK([
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#include <stddef.h>
#endif
#include <sys/socket.h>
#include <netdb.h>],
[
struct sockaddr sa;
struct addrinfo *ai = NULL;
int ret = getaddrinfo(NULL, NULL, NULL, &ai);
if (ret != 0) {
const char *es = gai_strerror(ret);
}
freeaddrinfo(ai);
ret = getnameinfo(&sa, sizeof(sa),
NULL, 0,
NULL, 0, 0);
],
libreplace_cv_HAVE_GETADDRINFO=yes,libreplace_cv_HAVE_GETADDRINFO=no)])
if test x"$libreplace_cv_HAVE_GETADDRINFO" = x"yes"; then
AC_DEFINE(HAVE_GETADDRINFO,1,[Whether the system has getaddrinfo])
AC_DEFINE(HAVE_GETNAMEINFO,1,[Whether the system has getnameinfo])
AC_DEFINE(HAVE_FREEADDRINFO,1,[Whether the system has freeaddrinfo])
AC_DEFINE(HAVE_GAI_STRERROR,1,[Whether the system has gai_strerror])
else
LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} getaddrinfo.o"
fi
AC_CHECK_HEADERS([ifaddrs.h])
dnl Used when getifaddrs is not available
AC_CHECK_MEMBERS([struct sockaddr.sa_len],
[AC_DEFINE(HAVE_SOCKADDR_SA_LEN, 1, [Whether struct sockaddr has a sa_len member])],
[],
[#include <sys/socket.h>])
dnl test for getifaddrs and freeifaddrs
AC_CACHE_CHECK([for getifaddrs and freeifaddrs],libreplace_cv_HAVE_GETIFADDRS,[
AC_TRY_LINK([
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#include <stddef.h>
#endif
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <ifaddrs.h>
#include <netdb.h>],
[
struct ifaddrs *ifp = NULL;
int ret = getifaddrs (&ifp);
freeifaddrs(ifp);
],
libreplace_cv_HAVE_GETIFADDRS=yes,libreplace_cv_HAVE_GETIFADDRS=no)])
if test x"$libreplace_cv_HAVE_GETIFADDRS" = x"yes"; then
AC_DEFINE(HAVE_GETIFADDRS,1,[Whether the system has getifaddrs])
AC_DEFINE(HAVE_FREEIFADDRS,1,[Whether the system has freeifaddrs])
AC_DEFINE(HAVE_STRUCT_IFADDRS,1,[Whether struct ifaddrs is available])
fi
##################
# look for a method of finding the list of network interfaces
iface=no;
AC_CACHE_CHECK([for iface getifaddrs],libreplace_cv_HAVE_IFACE_GETIFADDRS,[
AC_TRY_RUN([
#define HAVE_IFACE_GETIFADDRS 1
#define NO_CONFIG_H 1
#define AUTOCONF_TEST 1
#define SOCKET_WRAPPER_NOT_REPLACE
#include "$libreplacedir/replace.c"
#include "$libreplacedir/inet_ntop.c"
#include "$libreplacedir/snprintf.c"
#include "$libreplacedir/getifaddrs.c"
#define getifaddrs_test main
#include "$libreplacedir/test/getifaddrs.c"],
libreplace_cv_HAVE_IFACE_GETIFADDRS=yes,libreplace_cv_HAVE_IFACE_GETIFADDRS=no,libreplace_cv_HAVE_IFACE_GETIFADDRS=cross)])
if test x"$libreplace_cv_HAVE_IFACE_GETIFADDRS" = x"yes"; then
iface=yes;AC_DEFINE(HAVE_IFACE_GETIFADDRS,1,[Whether iface getifaddrs is available])
else
LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} getifaddrs.o"
fi
if test $iface = no; then
AC_CACHE_CHECK([for iface AIX],libreplace_cv_HAVE_IFACE_AIX,[
AC_TRY_RUN([
#define HAVE_IFACE_AIX 1
#define NO_CONFIG_H 1
#define AUTOCONF_TEST 1
#undef _XOPEN_SOURCE_EXTENDED
#define SOCKET_WRAPPER_NOT_REPLACE
#include "$libreplacedir/replace.c"
#include "$libreplacedir/inet_ntop.c"
#include "$libreplacedir/snprintf.c"
#include "$libreplacedir/getifaddrs.c"
#define getifaddrs_test main
#include "$libreplacedir/test/getifaddrs.c"],
libreplace_cv_HAVE_IFACE_AIX=yes,libreplace_cv_HAVE_IFACE_AIX=no,libreplace_cv_HAVE_IFACE_AIX=cross)])
if test x"$libreplace_cv_HAVE_IFACE_AIX" = x"yes"; then
iface=yes;AC_DEFINE(HAVE_IFACE_AIX,1,[Whether iface AIX is available])
fi
fi
if test $iface = no; then
AC_CACHE_CHECK([for iface ifconf],libreplace_cv_HAVE_IFACE_IFCONF,[
AC_TRY_RUN([
#define HAVE_IFACE_IFCONF 1
#define NO_CONFIG_H 1
#define AUTOCONF_TEST 1
#define SOCKET_WRAPPER_NOT_REPLACE
#include "$libreplacedir/replace.c"
#include "$libreplacedir/inet_ntop.c"
#include "$libreplacedir/snprintf.c"
#include "$libreplacedir/getifaddrs.c"
#define getifaddrs_test main
#include "$libreplacedir/test/getifaddrs.c"],
libreplace_cv_HAVE_IFACE_IFCONF=yes,libreplace_cv_HAVE_IFACE_IFCONF=no,libreplace_cv_HAVE_IFACE_IFCONF=cross)])
if test x"$libreplace_cv_HAVE_IFACE_IFCONF" = x"yes"; then
iface=yes;AC_DEFINE(HAVE_IFACE_IFCONF,1,[Whether iface ifconf is available])
fi
fi
if test $iface = no; then
AC_CACHE_CHECK([for iface ifreq],libreplace_cv_HAVE_IFACE_IFREQ,[
AC_TRY_RUN([
#define HAVE_IFACE_IFREQ 1
#define NO_CONFIG_H 1
#define AUTOCONF_TEST 1
#define SOCKET_WRAPPER_NOT_REPLACE
#include "$libreplacedir/replace.c"
#include "$libreplacedir/inet_ntop.c"
#include "$libreplacedir/snprintf.c"
#include "$libreplacedir/getifaddrs.c"
#define getifaddrs_test main
#include "$libreplacedir/test/getifaddrs.c"],
libreplace_cv_HAVE_IFACE_IFREQ=yes,libreplace_cv_HAVE_IFACE_IFREQ=no,libreplace_cv_HAVE_IFACE_IFREQ=cross)])
if test x"$libreplace_cv_HAVE_IFACE_IFREQ" = x"yes"; then
iface=yes;AC_DEFINE(HAVE_IFACE_IFREQ,1,[Whether iface ifreq is available])
fi
fi
dnl test for ipv6
AC_CACHE_CHECK([for ipv6 support],libreplace_cv_HAVE_IPV6,[
AC_TRY_LINK([
#include <stdlib.h> /* for NULL */
#include <sys/socket.h>
#include <sys/types.h>
#include <netdb.h>
#include <netinet/in.h>
],
[
struct sockaddr_storage sa_store;
struct addrinfo *ai = NULL;
struct in6_addr in6addr;
int idx = if_nametoindex("iface1");
int s = socket(AF_INET6, SOCK_STREAM, 0);
int ret = getaddrinfo(NULL, NULL, NULL, &ai);
if (ret != 0) {
const char *es = gai_strerror(ret);
}
freeaddrinfo(ai);
],[
libreplace_cv_HAVE_IPV6=yes
],[
libreplace_cv_HAVE_IPV6=no
])
])
if test x"$libreplace_cv_HAVE_IPV6" = x"yes"; then
AC_DEFINE(HAVE_IPV6,1,[Whether the system has IPv6 support])
fi
LIBS=$old_LIBS
CPPFLAGS="$SAVE_CPPFLAGS"
LIBREPLACEOBJ="${LIBREPLACEOBJ} ${LIBREPLACE_NETWORK_OBJS}"
echo "LIBREPLACE_NETWORK_CHECKS: END"
]) dnl end AC_LIBREPLACE_NETWORK_CHECKS
|
