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-rw-r--r--mcon/U/i_neterrno.U65
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diff --git a/mcon/U/i_neterrno.U b/mcon/U/i_neterrno.U
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+?RCS: $Id: i_neterrno.U,v 3.0.1.3 1994/10/29 16:20:29 ram Exp $
+?RCS:
+?RCS: Copyright (c) 1991-1993, Raphael Manfredi
+?RCS:
+?RCS: You may redistribute only under the terms of the Artistic Licence,
+?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 Licence; a copy of which may be found at the root
+?RCS: of the source tree for dist 3.0.
+?RCS:
+?RCS: Original Author: Andy Dougherty <doughera@lafcol.lafayette.edu>
+?RCS:
+?RCS: $Log: i_neterrno.U,v $
+?RCS: Revision 3.0.1.3 1994/10/29 16:20:29 ram
+?RCS: patch36: forgot to initialize 'val' to an empty value (ADO)
+?RCS:
+?RCS: Revision 3.0.1.2 1994/08/29 16:22:10 ram
+?RCS: patch32: removed spurious echo
+?RCS:
+?RCS: Revision 3.0.1.1 1994/06/20 07:02:05 ram
+?RCS: patch30: created by ADO
+?RCS:
+?MAKE:i_neterrno: Inhdr +cc +ccflags rm Setvar
+?MAKE: -pick add $@ %<
+?S:i_neterrno:
+?S: This variable conditionally defines the I_NET_ERRNO symbol, which
+?S: indicates to the C program that <net/errno.h> exists and should
+?S: be included.
+?S:.
+?C:I_NET_ERRNO:
+?C: This symbol, if defined, indicates that <net/errno.h> exists and
+?C: should be included.
+?C:.
+?H:#$i_neterrno I_NET_ERRNO /**/
+?H:.
+?LINT:set i_neterrno
+: see if net/errno.h is available
+val=''
+set net/errno.h val
+eval $inhdr
+
+: Unfortunately, it causes problems on some systems. Arrgh.
+case "$val" in
+$define)
+ cat > try.c <<'EOM'
+#include <stdio.h>
+#include <errno.h>
+#include <net/errno.h>
+int func()
+{
+ return ENOTSOCK;
+}
+EOM
+ if $cc $ccflags -c try.c >/dev/null 2>&1; then
+ echo "We'll be including <net/errno.h>." >&4
+ else
+ echo "We won't be including <net/errno.h>." >&4
+ val="$undef"
+ fi
+ $rm -f try.* try
+ ;;
+esac
+set i_neterrno
+eval $setvar
+