?RCS: $Id$
?RCS:
?RCS: Copyright (c) 2013, Raphael Manfredi
?RCS:
?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.
?RCS:
?MAKE:d_getnameinfo: Trylink cat i_arpainet i_netdb i_syssock \
	i_winsock2 i_ws2tcpip i_niin d_windows
?MAKE:	-pick add $@ %<
?S:d_getnameinfo:
?S:	This variable conditionally defines the HAS_GETNAMEINFO symbol, which
?S:	indicates to the C program that the getnameinfo() routine is available.
?S:.
?C:HAS_GETNAMEINFO:
?C:	This symbol is defined when getnameinfo() can be used.
?C:.
?H:#$d_getnameinfo HAS_GETNAMEINFO
?H:.
?LINT: set d_getnameinfo
: can we use getnameinfo?
$cat >try.c <<EOC
#$i_syssock I_SYS_SOCKET
#$i_winsock2 I_WINSOCK2
#$i_ws2tcpip I_WS2TCPIP
#$i_niin I_NETINET_IN
#$i_arpainet I_ARPA_INET
#$i_netdb I_NETDB
#$d_windows WINDOWS_SYSTEM
#ifdef WINDOWS_SYSTEM
#define WINVER 0x0501
#endif
#include <sys/types.h>
#ifdef I_SYS_SOCKET
#include <sys/socket.h>
#endif
#ifdef I_NETINET_IN
#include <netinet/in.h>
#endif
#ifdef I_ARPA_INET
#include <arpa/inet.h>
#endif
#ifdef I_NETDB
#include <netdb.h>
#endif
#ifdef I_WINSOCK2
#include <Winsock2.h>
#endif
#ifdef I_WS2TCPIP
#include <Ws2tcpip.h>
#endif
int main(void)
{
	int ret;
	static struct sockaddr sa;
	socklen_t salen;
	char host[NI_MAXHOST];
	char serv[NI_MAXSERV];

	salen = sizeof(sa);
	ret = getnameinfo(&sa, salen,
		host, sizeof host, serv, sizeof serv,
		NI_NAMEREQD | NI_DGRAM | NI_NOFQDN | NI_NUMERICHOST | NI_NUMERICSERV);
	return 0 == ret;
}
EOC
cyn=getnameinfo
set d_getnameinfo '-lWs2_32'
eval $trylink