ia64/xen-unstable

view freebsd-5.3-xen-sparse/mkbuildtree @ 4547:73ef7f1fc714

bitkeeper revision 1.1307 (42604f23zhUwzxPQ-mNyzol0cpHWlg)

[PATCH] Eliminate kernel version checks from

Eliminate kernel version checks from x86_64/kernel/pci-dma.c as a trivial
first pass cleanup towards merging.

Signed-off-by: Chris Wright <chrisw@osdl.org>
author chrisw@osdl.org[iap10]
date Fri Apr 15 23:32:51 2005 +0000 (2005-04-15)
parents a01199a95070
children
line source
1 #!/bin/bash
3 # mkbuildtree <build tree>
4 #
5 # Creates symbolic links in <build tree> for the sparse tree
6 # in the current directory.
8 # Script to determine the relative path between two directories.
9 # Copyright (c) D. J. Hawkey Jr. 2002
10 # Fixed for Xen project by K. Fraser in 2003.
11 abs_to_rel ()
12 {
13 local CWD SRCPATH
15 if [ "$1" != "/" -a "${1##*[^/]}" = "/" ]; then
16 SRCPATH=${1%?}
17 else
18 SRCPATH=$1
19 fi
20 if [ "$2" != "/" -a "${2##*[^/]}" = "/" ]; then
21 DESTPATH=${2%?}
22 else
23 DESTPATH=$2
24 fi
26 CWD=$PWD
27 [ "${1%%[^/]*}" != "/" ] && cd $1 && SRCPATH=$PWD
28 [ "${2%%[^/]*}" != "/" ] && cd $2 && DESTPATH=$PWD
29 [ "$CWD" != "$PWD" ] && cd $CWD
31 BASEPATH=$SRCPATH
33 [ "$SRCPATH" = "$DESTPATH" ] && DESTPATH="." && return
34 [ "$SRCPATH" = "/" ] && DESTPATH=${DESTPATH#?} && return
36 while [ "$BASEPATH/" != "${DESTPATH%${DESTPATH#$BASEPATH/}}" ]; do
37 BASEPATH=${BASEPATH%/*}
38 done
40 SRCPATH=${SRCPATH#$BASEPATH}
41 DESTPATH=${DESTPATH#$BASEPATH}
42 DESTPATH=${DESTPATH#?}
43 while [ -n "$SRCPATH" ]; do
44 SRCPATH=${SRCPATH%/*}
45 DESTPATH="../$DESTPATH"
46 done
48 [ -z "$BASEPATH" ] && BASEPATH="/"
49 [ "${DESTPATH##*[^/]}" = "/" ] && DESTPATH=${DESTPATH%?}
50 }
52 # relative_lndir <target_dir>
53 # Creates a tree of symlinks in the current working directory that mirror
54 # real files in <target_dir>. <target_dir> should be relative to the current
55 # working directory. Symlinks in <target_dir> are ignored. Source-control files
56 # are ignored.
57 relative_lndir ()
58 {
59 local SYMLINK_DIR REAL_DIR pref i j
60 SYMLINK_DIR=$PWD
61 REAL_DIR=$1
62 (
63 cd $REAL_DIR
64 for i in `find . -type d | grep -v SCCS`; do
65 [ -d $SYMLINK_DIR/$i ] || mkdir -p $SYMLINK_DIR/$i
66 (
67 cd $i
68 pref=`echo $i | sed -e 's#/[^/]*#../#g' -e 's#^\.##'`
69 for j in `find . -type f -o -type l -maxdepth 1`; do
70 ln -sf ${pref}${REAL_DIR}/$i/$j ${SYMLINK_DIR}/$i/$j
71 done
72 )
73 done
74 )
75 }
77 [ "$1" == "" ] && { echo "Syntax: $0 <linux tree to xenify>"; exit 1; }
79 # Get absolute path to the destination directory
80 pushd . >/dev/null
81 cd ${1}
82 AD=$PWD
83 popd >/dev/null
85 # Get absolute path to the source directory
86 AS=`pwd`
88 # Get name of sparse directory
89 SDN=$(basename $AS)
91 # Get path to source, relative to destination
92 abs_to_rel ${AD} ${AS}
93 RS=$DESTPATH
95 # Remove old copies of files and directories at the destination
96 for i in `find sys -type f -o -type l` ; do rm -f ${AD}/${i#./} ; done
98 # We now work from the destination directory
99 cd ${AD}
101 # Remove old symlinks
102 find sys -type l | while read f
103 do
104 case $(readlink $f) in
105 */$SDN/*)
106 rm -f $f
107 ;;
108 esac
109 done
111 if [ -f ${AD}/BUILDING ]; then
112 # Create symlinks of files and directories which exist in the sparse source
113 (cd sys && relative_lndir ../${RS}/sys)
114 else
115 # Create symlinks of files and directories which exist in the sparse source
116 relative_lndir ${RS}
117 rm -f mkbuildtree
118 fi