[configure.ac] add tests for recvmsg and sendmsg.

[monitor_fdpass.c] add checks for HAVE_SENDMSG and HAVE_RECVMSG for
systems that HAVE_ACCRIGHTS_IN_MSGHDR but no recvmsg or sendmsg.

ChangeLog

@@ -1,6 +1,9 @@
 20020415
  - (djm) Unbreak "make install". Fix from Darren Tucker <dtucker@zip.com.au>
  - (stevesk) bsd-cygwin_util.[ch] BSD license from Corinna Vinschen
+ - (tim) [configure.ac] add tests for recvmsg and sendmsg.
+   [monitor_fdpass.c] add checks for HAVE_SENDMSG and HAVE_RECVMSG for
+   systems that HAVE_ACCRIGHTS_IN_MSGHDR but no recvmsg or sendmsg.
 
 20020414
  - (djm) ssh-rand-helper improvements
@@ -8245,4 +8248,4 @@
  - Wrote replacements for strlcpy and mkdtemp
  - Released 1.0pre1
 
-$Id: ChangeLog,v 1.2055 2002/04/15 22:00:51 stevesk Exp $
+$Id: ChangeLog,v 1.2056 2002/04/16 04:10:09 tim Exp $

configure.ac

@@ -1,4 +1,4 @@
-# $Id: configure.ac,v 1.44 2002/04/13 01:04:41 djm Exp $
+# $Id: configure.ac,v 1.45 2002/04/16 04:10:11 tim Exp $
 
 AC_INIT
 AC_CONFIG_SRCDIR([ssh.c])
@@ -534,8 +534,8 @@ AC_CHECK_FUNCS(arc4random b64_ntop bcopy bindresvport_sa \
 	getaddrinfo getcwd getgrouplist getnameinfo getopt \
 	getrlimit getrusage getttyent glob inet_aton inet_ntoa \
 	inet_ntop innetgr login_getcapbool md5_crypt memmove \
-	mkdtemp mmap openpty readpassphrase realpath \
-	rresvport_af setdtablesize setegid setenv seteuid \
+	mkdtemp mmap openpty readpassphrase realpath recvmsg \
+	rresvport_af sendmsg setdtablesize setegid setenv seteuid \
 	setlogin setproctitle setresgid setreuid setrlimit \
 	setsid setvbuf sigaction sigvec snprintf socketpair strerror \
 	strlcat strlcpy strmode strsep sysconf tcgetpgrp utimes \

monitor_fdpass.c

@@ -34,7 +34,7 @@ RCSID("$OpenBSD: monitor_fdpass.c,v 1.2 2002/03/24 17:53:16 stevesk Exp $");
 void
 mm_send_fd(int socket, int fd)
 {
-#if defined(HAVE_ACCRIGHTS_IN_MSGHDR) || defined(HAVE_CONTROL_IN_MSGHDR)
+#if defined(HAVE_SENDMSG) && (defined(HAVE_ACCRIGHTS_IN_MSGHDR) || defined(HAVE_CONTROL_IN_MSGHDR))
 	struct msghdr msg;
 	struct iovec vec;
 	char ch = '\0';
@@ -78,7 +78,7 @@ mm_send_fd(int socket, int fd)
 int
 mm_receive_fd(int socket)
 {
-#if defined(HAVE_ACCRIGHTS_IN_MSGHDR) || defined(HAVE_CONTROL_IN_MSGHDR)
+#if defined(HAVE_RECVMSG) && (defined(HAVE_ACCRIGHTS_IN_MSGHDR) || defined(HAVE_CONTROL_IN_MSGHDR))
 	struct msghdr msg;
 	struct iovec vec;
 	char ch;