#!/bin/ksh -p
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License, Version 1.0 only
# (the "License").  You may not use this file except in compliance
# with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#
# ident	"%Z%%M%	%I%	%E% SMI"
#

#
# The CDPATH variable causes ksh's `cd' builtin to emit messages to stdout
# under certain circumstances, which can really screw things up; unset it.
#
unset CDPATH

setvar PROG = $(basename $0)"
PATH=/opt/onbld/bin:$PATH" export PATH
if test -n $BUILD_TOOLS {"
	PATH=$BUILD_TOOLS/onbld/bin:$PATH" export PATH
}

setvar CONF = 'tools/scripts/build_cscope.conf'

#
# Print the provided failure message and exit with an error.
#
proc fail
{
        echo $PROG: $ifsjoin(ARGV) > /dev/stderr
        exit 1
}

if test $Argc -ne 1 {
	echo "Usage: $PROG <env_file>"
	exit 1
}

#
# Setup environment variables
#
if test -f $1 {
	if [[ $1 = */* ]] {
		source $1
	} else {
		source ./$1
	}
} elif test -f "/opt/onbld/env/$1" {
	source "/opt/onbld/env/$1"
} else {
	fail "cannot find env file as $1 or /opt/onbld/env/$1"
}

test -z $SRC && fail "\$SRC is not set"
test ! -d $SRC && fail "\$SRC ($SRC) is not a directory"

#
# Despite our name, we actually build cscope, ctags, and etags
# cross-references.
#
cd $SRC
while read name flags dirs {
      test $name = "" -o $name = "#" && continue
      test $flags = "\"\"" && setvar flags = ''
      xref -c $dirs
      xref $flags $dirs || fail "cannot build $name cross-reference"
} < $CONF