usr/src/tools/scripts/build_cscope.sh

   1 #!/bin/ksh -p
   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, Version 1.0 only
   7 # (the "License").  You may not use this file except in compliance
   8 # with the License.
   9 #
  10 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  11 # or http://www.opensolaris.org/os/licensing.
  12 # See the License for the specific language governing permissions
  13 # and limitations under the License.
  14 #
  15 # When distributing Covered Code, include this CDDL HEADER in each
  16 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  17 # If applicable, add the following below this CDDL HEADER, with the
  18 # fields enclosed by brackets "[]" replaced with your own identifying
  19 # information: Portions Copyright [yyyy] [name of copyright owner]
  20 #
  21 # CDDL HEADER END
  22 #
  23 #
  24 # Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  25 # Use is subject to license terms.
  26 #
  27 # ident "%Z%%M% %I%     %E% SMI"
  28 #
  29
  30 #
  31 # The CDPATH variable causes ksh's `cd' builtin to emit messages to stdout
  32 # under certain circumstances, which can really screw things up; unset it.
  33 #
  34 unset CDPATH
  35
  36 PROG=`basename $0`
  37 PATH=/opt/onbld/bin:$PATH export PATH
  38 if [ -n "$BUILD_TOOLS" ]; then
  39         PATH=$BUILD_TOOLS/onbld/bin:$PATH export PATH
  40 fi
  41
  42 CONF=tools/scripts/build_cscope.conf
  43
  44 #
  45 # Print the provided failure message and exit with an error.
  46 #
  47 fail()
  48 {
  49         echo $PROG: $@ > /dev/stderr
  50         exit 1
  51 }
  52
  53 if [ $# -ne 1 ]; then
  54         echo "Usage: $PROG <env_file>"
  55         exit 1
  56 fi
  57
  58 #
  59 # Setup environment variables
  60 #
  61 if [ -f "$1" ]; then
  62         if [[ $1 = */* ]]; then
  63                 . $1
  64         else
  65                 . ./$1
  66         fi
  67 elif [ -f "/opt/onbld/env/$1" ]; then
  68         . "/opt/onbld/env/$1"
  69 else
  70         fail "cannot find env file as $1 or /opt/onbld/env/$1"
  71 fi
  72
  73 [ -z "$SRC" ] && fail "\$SRC is not set"
  74 [ ! -d "$SRC" ] && fail "\$SRC ($SRC) is not a directory"
  75
  76 #
  77 # Despite our name, we actually build cscope, ctags, and etags
  78 # cross-references.
  79 #
  80 cd $SRC
  81 while read name flags dirs; do
  82       [ "$name" = "" -o "$name" = "#" ] && continue
  83       [ "$flags" = "\"\"" ] && flags=
  84       xref -c $dirs
  85       xref $flags $dirs || fail "cannot build $name cross-reference"
  86 done < $CONF