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+?RCS: $Id$
+?RCS:
+?RCS: Copyright (c) 1991-1997, 2004-2006, 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:
+?RCS: $Log: d_msgget.U,v $
+?RCS: Revision 3.0 1993/08/18 12:06:39 ram
+?RCS: Baseline for dist 3.0 netwide release.
+?RCS:
+?MAKE:d_msgget: Trylink cat
+?MAKE: -pick add $@ %<
+?S:d_msgget:
+?S: This variable conditionally defines the HAS_MSGGET symbol, which
+?S: indicates to the C program that the msgget() routine is available.
+?S:.
+?C:HAS_MSGGET:
+?C: This symbol, if defined, indicates that the msgget() routine is
+?C: available to get a new message queue.
+?C:.
+?H:#$d_msgget HAS_MSGGET /**/
+?H:.
+?LINT:set d_msgget
+: see if msgget exists
+$cat >try.c <<EOC
+#include <sys/msg.h>
+int main(void)
+{
+ static int ret, flags;
+ static key_t key;
+ flags |= IPC_CREAT;
+ flags |= IPC_EXCL;
+ key = IPC_PRIVATE;
+ ret |= msgget(key, flags);
+ return ret ? 0 : 1;
+}
+EOC
+cyn=msgget
+set d_msgget
+eval $trylink
+