path: root/mcon/U/d_sockaddr_un.U
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Diffstat (limited to 'mcon/U/d_sockaddr_un.U')
1 files changed, 61 insertions, 0 deletions
diff --git a/mcon/U/d_sockaddr_un.U b/mcon/U/d_sockaddr_un.U
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+++ b/mcon/U/d_sockaddr_un.U
@@ -0,0 +1,61 @@
+?RCS: $Id: d_sockaddr_in_sin_len.U 57 2010-12-11 23:44:52Z rmanfredi $
+?RCS: Copyright (c) 2011, Raphael Manfredi
+?RCS: You may redistribute only under the terms of the Artistic License,
+?RCS: as specified in the README file that comes with the distribution.
+?RCS: You may reuse parts of this distribution only within the terms of
+?RCS: that same Artistic License; a copy of which may be found at the root
+?RCS: of the source tree for dist 4.0.
+?MAKE:d_sockaddr_un: Trylink cat i_arpainet i_syssock i_winsock2 i_niin i_sysun
+?MAKE: -pick add $@ %<
+?S: This variable conditionally defines the HAS_SOCKADDR_UN symbol,
+?S: indicates to the C program that struct sockaddr_un is available to
+?S: create file sockets.
+?C: This symbol is defined if struct sockaddr_un exists, allowing the
+?C: creation of file sockets.
+?H:#$d_sockaddr_un HAS_SOCKADDR_UN
+?LINT: set d_sockaddr_un
+: does struct sockaddr_un exists?
+$cat >try.c <<EOC
+#$i_syssock I_SYS_SOCKET
+#$i_sysun I_SYS_UN
+#$i_niin I_NETINET_IN
+#$i_winsock2 I_WINSOCK2
+#$i_arpainet I_ARPA_INET
+#include <sys/types.h>
+#ifdef I_SYS_SOCKET
+#include <sys/socket.h>
+#ifdef I_SYS_UN
+#include <sys/un.h>
+#ifdef I_NETINET_IN
+#include <netinet/in.h>
+#ifdef I_ARPA_INET
+#include <arpa/inet.h>
+#ifdef I_WINSOCK2
+#include <Winsock2.h>
+#if !defined(AF_LOCAL) && defined(AF_UNIX)
+int main(void)
+ static struct sockaddr_un addr;
+ addr.sun_family = AF_LOCAL;
+ return 0;
+cyn="whether 'struct sockaddr_un' is available"
+set d_sockaddr_un
+eval $trylink