xref: /titanic_44/usr/src/tools/gk/gen_make.machines.sh (revision a60349c89adffc0902b2353230891d8e7f2b24d9)
1#!/usr/bin/ksh93
2#
3# CDDL HEADER START
4#
5# The contents of this file are subject to the terms of the
6# Common Development and Distribution License (the "License").
7# You may not use this file except in compliance with the License.
8#
9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10# or http://www.opensolaris.org/os/licensing.
11# See the License for the specific language governing permissions
12# and limitations under the License.
13#
14# When distributing Covered Code, include this CDDL HEADER in each
15# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16# If applicable, add the following below this CDDL HEADER, with the
17# fields enclosed by brackets "[]" replaced with your own identifying
18# information: Portions Copyright [yyyy] [name of copyright owner]
19#
20# CDDL HEADER END
21#
22#
23# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24# Use is subject to license terms.
25#
26# script to generate example .make.machines for build users
27#
28
29
30PATH=/usr/bin:/usr/sbin
31
32THISHOST=$(uname -n)
33
34cpus=$(psrinfo | grep on-line | wc -l)
35max=$(((cpus + 1) * 2))
36
37EXISTING=$(grep "^$THISHOST" $HOME/.make.machines |awk -F"=" '{print $2}')
38
39if [[ -n "$EXISTING" ]] then
40	printf "Your existing \$HOME/.make.machines has a concurrency "
41	printf "setting of $EXISTING for host\n"
42	printf "$THISHOST. If you wish to change the setting then this "
43	printf "script suggests\nsetting concurrency to $max for a single-user "
44	printf "machine. Multi-user machines might\nrequire different values.\n"
45else
46	printf "$THISHOST max=$max\n" >> $HOME/.make.machines
47	printf "dmake concurrency for host $THISHOST set to $max.\n"
48fi
49