bsd_sockets.m4
No OneTemporary
Actions

Authored By

Unknown

Size

1 KB

Referenced Files

None

Subscribers

None

bsd_sockets.m4
View Options

	dnl bsd_sockets.m4--which socket libraries do we need?
	dnl Derrick Brashear
	dnl from Zephyr

	dnl Hacked on by Rob Earhart to not just toss stuff in LIBS
	dnl It now puts everything required for sockets into LIB_SOCKET

	AC_DEFUN([CMU_SOCKETS], [
	save_LIBS="$LIBS"
	LIB_SOCKET=""
	AC_CHECK_FUNC(connect, :,
	[AC_CHECK_LIB(nsl, gethostbyname,
	LIB_SOCKET="-lnsl $LIB_SOCKET")
	AC_CHECK_LIB(socket, connect,
	LIB_SOCKET="-lsocket $LIB_SOCKET")]
	)
	LIBS="$LIB_SOCKET $save_LIBS"
	AC_CHECK_FUNC(res_search, :,
	[LIBS="-lresolv $LIB_SOCKET $save_LIBS"
	AC_TRY_LINK([[
	#include <sys/types.h>
	#include <netinet/in.h>
	#include <arpa/nameser.h>
	#ifdef HAVE_ARPA_NAMESER_COMPAT_H
	#include <arpa/nameser_compat.h>
	#endif
	#include <resolv.h>]],[[
	const char host[12]="openafs.org";
	u_char ans[1024];
	res_search( host, C_IN, T_MX, (u_char *)&ans, sizeof(ans));
	return 0;
	]], LIB_SOCKET="-lresolv $LIB_SOCKET")
	])
	LIBS="$LIB_SOCKET $save_LIBS"
	AC_CHECK_FUNCS(dn_expand dns_lookup)
	LIBS="$save_LIBS"
	AC_SUBST(LIB_SOCKET)
	])