nexmon – Blame information for rev 1

Subversion Repositories:
Rev:
Rev Author Line No. Line
1 office 1 # sys_socket_h.m4 serial 22
2 dnl Copyright (C) 2005-2011 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
6  
7 dnl From Simon Josefsson.
8  
9 AC_DEFUN([gl_HEADER_SYS_SOCKET],
10 [
11 AC_REQUIRE([gl_SYS_SOCKET_H_DEFAULTS])
12 AC_REQUIRE([AC_CANONICAL_HOST])
13 AC_REQUIRE([AC_C_INLINE])
14  
15 dnl On OSF/1, the functions recv(), send(), recvfrom(), sendto() have
16 dnl old-style declarations (with return type 'int' instead of 'ssize_t')
17 dnl unless _POSIX_PII_SOCKET is defined.
18 case "$host_os" in
19 osf*)
20 AC_DEFINE([_POSIX_PII_SOCKET], [1],
21 [Define to 1 in order to get the POSIX compatible declarations
22 of socket functions.])
23 ;;
24 esac
25  
26 AC_CACHE_CHECK([whether <sys/socket.h> is self-contained],
27 [gl_cv_header_sys_socket_h_selfcontained],
28 [
29 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/socket.h>]], [[]])],
30 [gl_cv_header_sys_socket_h_selfcontained=yes],
31 [gl_cv_header_sys_socket_h_selfcontained=no])
32 ])
33 if test $gl_cv_header_sys_socket_h_selfcontained = yes; then
34 dnl If the shutdown function exists, <sys/socket.h> should define
35 dnl SHUT_RD, SHUT_WR, SHUT_RDWR.
36 AC_CHECK_FUNCS([shutdown])
37 if test $ac_cv_func_shutdown = yes; then
38 AC_CACHE_CHECK([whether <sys/socket.h> defines the SHUT_* macros],
39 [gl_cv_header_sys_socket_h_shut],
40 [
41 AC_COMPILE_IFELSE(
42 [AC_LANG_PROGRAM([[#include <sys/socket.h>]],
43 [[int a[] = { SHUT_RD, SHUT_WR, SHUT_RDWR };]])],
44 [gl_cv_header_sys_socket_h_shut=yes],
45 [gl_cv_header_sys_socket_h_shut=no])
46 ])
47 if test $gl_cv_header_sys_socket_h_shut = no; then
48 SYS_SOCKET_H='sys/socket.h'
49 fi
50 fi
51 fi
52 # We need to check for ws2tcpip.h now.
53 gl_PREREQ_SYS_H_SOCKET
54 AC_CHECK_TYPES([struct sockaddr_storage, sa_family_t],,,[
55 /* sys/types.h is not needed according to POSIX, but the
56 sys/socket.h in i386-unknown-freebsd4.10 and
57 powerpc-apple-darwin5.5 required it. */
58 #include <sys/types.h>
59 #ifdef HAVE_SYS_SOCKET_H
60 #include <sys/socket.h>
61 #endif
62 #ifdef HAVE_WS2TCPIP_H
63 #include <ws2tcpip.h>
64 #endif
65 ])
66 if test $ac_cv_type_struct_sockaddr_storage = no; then
67 HAVE_STRUCT_SOCKADDR_STORAGE=0
68 fi
69 if test $ac_cv_type_sa_family_t = no; then
70 HAVE_SA_FAMILY_T=0
71 fi
72 if test $ac_cv_type_struct_sockaddr_storage != no; then
73 AC_CHECK_MEMBERS([struct sockaddr_storage.ss_family],
74 [],
75 [HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY=0],
76 [#include <sys/types.h>
77 #ifdef HAVE_SYS_SOCKET_H
78 #include <sys/socket.h>
79 #endif
80 #ifdef HAVE_WS2TCPIP_H
81 #include <ws2tcpip.h>
82 #endif
83 ])
84 fi
85 if test $HAVE_STRUCT_SOCKADDR_STORAGE = 0 || test $HAVE_SA_FAMILY_T = 0 \
86 || test $HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY = 0; then
87 SYS_SOCKET_H='sys/socket.h'
88 fi
89 gl_PREREQ_SYS_H_WINSOCK2
90  
91 dnl Check for declarations of anything we want to poison if the
92 dnl corresponding gnulib module is not in use.
93 gl_WARN_ON_USE_PREPARE([[
94 /* Some systems require prerequisite headers. */
95 #include <sys/types.h>
96 #include <sys/socket.h>
97 ]], [socket connect accept bind getpeername getsockname getsockopt
98 listen recv send recvfrom sendto setsockopt shutdown accept4])
99 ])
100  
101 AC_DEFUN([gl_PREREQ_SYS_H_SOCKET],
102 [
103 dnl Check prerequisites of the <sys/socket.h> replacement.
104 AC_REQUIRE([gl_CHECK_SOCKET_HEADERS])
105 gl_CHECK_NEXT_HEADERS([sys/socket.h])
106 if test $ac_cv_header_sys_socket_h = yes; then
107 HAVE_SYS_SOCKET_H=1
108 HAVE_WS2TCPIP_H=0
109 else
110 HAVE_SYS_SOCKET_H=0
111 if test $ac_cv_header_ws2tcpip_h = yes; then
112 HAVE_WS2TCPIP_H=1
113 else
114 HAVE_WS2TCPIP_H=0
115 fi
116 fi
117 AC_SUBST([HAVE_SYS_SOCKET_H])
118 AC_SUBST([HAVE_WS2TCPIP_H])
119 ])
120  
121 # Common prerequisites of the <sys/socket.h> replacement and of the
122 # <sys/select.h> replacement.
123 # Sets and substitutes HAVE_WINSOCK2_H.
124 AC_DEFUN([gl_PREREQ_SYS_H_WINSOCK2],
125 [
126 m4_ifdef([gl_UNISTD_H_DEFAULTS], [AC_REQUIRE([gl_UNISTD_H_DEFAULTS])])
127 m4_ifdef([gl_SYS_IOCTL_H_DEFAULTS], [AC_REQUIRE([gl_SYS_IOCTL_H_DEFAULTS])])
128 AC_CHECK_HEADERS_ONCE([sys/socket.h])
129 if test $ac_cv_header_sys_socket_h != yes; then
130 dnl We cannot use AC_CHECK_HEADERS_ONCE here, because that would make
131 dnl the check for those headers unconditional; yet cygwin reports
132 dnl that the headers are present but cannot be compiled (since on
133 dnl cygwin, all socket information should come from sys/socket.h).
134 AC_CHECK_HEADERS([winsock2.h])
135 fi
136 if test "$ac_cv_header_winsock2_h" = yes; then
137 HAVE_WINSOCK2_H=1
138 UNISTD_H_HAVE_WINSOCK2_H=1
139 SYS_IOCTL_H_HAVE_WINSOCK2_H=1
140 else
141 HAVE_WINSOCK2_H=0
142 fi
143 AC_SUBST([HAVE_WINSOCK2_H])
144 ])
145  
146 AC_DEFUN([gl_SYS_SOCKET_MODULE_INDICATOR],
147 [
148 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
149 AC_REQUIRE([gl_SYS_SOCKET_H_DEFAULTS])
150 gl_MODULE_INDICATOR_SET_VARIABLE([$1])
151 dnl Define it also as a C macro, for the benefit of the unit tests.
152 gl_MODULE_INDICATOR_FOR_TESTS([$1])
153 ])
154  
155 AC_DEFUN([gl_SYS_SOCKET_H_DEFAULTS],
156 [
157 GNULIB_SOCKET=0; AC_SUBST([GNULIB_SOCKET])
158 GNULIB_CONNECT=0; AC_SUBST([GNULIB_CONNECT])
159 GNULIB_ACCEPT=0; AC_SUBST([GNULIB_ACCEPT])
160 GNULIB_BIND=0; AC_SUBST([GNULIB_BIND])
161 GNULIB_GETPEERNAME=0; AC_SUBST([GNULIB_GETPEERNAME])
162 GNULIB_GETSOCKNAME=0; AC_SUBST([GNULIB_GETSOCKNAME])
163 GNULIB_GETSOCKOPT=0; AC_SUBST([GNULIB_GETSOCKOPT])
164 GNULIB_LISTEN=0; AC_SUBST([GNULIB_LISTEN])
165 GNULIB_RECV=0; AC_SUBST([GNULIB_RECV])
166 GNULIB_SEND=0; AC_SUBST([GNULIB_SEND])
167 GNULIB_RECVFROM=0; AC_SUBST([GNULIB_RECVFROM])
168 GNULIB_SENDTO=0; AC_SUBST([GNULIB_SENDTO])
169 GNULIB_SETSOCKOPT=0; AC_SUBST([GNULIB_SETSOCKOPT])
170 GNULIB_SHUTDOWN=0; AC_SUBST([GNULIB_SHUTDOWN])
171 GNULIB_ACCEPT4=0; AC_SUBST([GNULIB_ACCEPT4])
172 HAVE_STRUCT_SOCKADDR_STORAGE=1; AC_SUBST([HAVE_STRUCT_SOCKADDR_STORAGE])
173 HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY=1;
174 AC_SUBST([HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY])
175 HAVE_SA_FAMILY_T=1; AC_SUBST([HAVE_SA_FAMILY_T])
176 HAVE_ACCEPT4=1; AC_SUBST([HAVE_ACCEPT4])
177 ])