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-rwxr-xr-xnetbsd-2.0-xen-sparse/mkbuildtree114
1 files changed, 114 insertions, 0 deletions
diff --git a/netbsd-2.0-xen-sparse/mkbuildtree b/netbsd-2.0-xen-sparse/mkbuildtree
new file mode 100755
index 0000000000..2db906080a
--- /dev/null
+++ b/netbsd-2.0-xen-sparse/mkbuildtree
@@ -0,0 +1,114 @@
+#!/bin/sh
+
+# mkbuildtree <build tree>
+#
+# Creates symbolic links in <build tree> for the sparse tree
+# in the current directory.
+
+# Script to determine the relative path between two directories.
+# Copyright (c) D. J. Hawkey Jr. 2002
+# Fixed for Xen project by K. Fraser in 2003.
+abs_to_rel ()
+{
+ local CWD SRCPATH
+
+ if [ "$1" != "/" -a "${1##*[^/]}" = "/" ]; then
+ SRCPATH=${1%?}
+ else
+ SRCPATH=$1
+ fi
+ if [ "$2" != "/" -a "${2##*[^/]}" = "/" ]; then
+ DESTPATH=${2%?}
+ else
+ DESTPATH=$2
+ fi
+
+ CWD=$PWD
+ [ "${1%%[^/]*}" != "/" ] && cd $1 && SRCPATH=$PWD
+ [ "${2%%[^/]*}" != "/" ] && cd $2 && DESTPATH=$PWD
+ [ "$CWD" != "$PWD" ] && cd $CWD
+
+ BASEPATH=$SRCPATH
+
+ [ "$SRCPATH" = "$DESTPATH" ] && DESTPATH="." && return
+ [ "$SRCPATH" = "/" ] && DESTPATH=${DESTPATH#?} && return
+
+ while [ "$BASEPATH/" != "${DESTPATH%${DESTPATH#$BASEPATH/}}" ]; do
+ BASEPATH=${BASEPATH%/*}
+ done
+
+ SRCPATH=${SRCPATH#$BASEPATH}
+ DESTPATH=${DESTPATH#$BASEPATH}
+ DESTPATH=${DESTPATH#?}
+ while [ -n "$SRCPATH" ]; do
+ SRCPATH=${SRCPATH%/*}
+ DESTPATH="../$DESTPATH"
+ done
+
+ [ -z "$BASEPATH" ] && BASEPATH="/"
+ [ "${DESTPATH##*[^/]}" = "/" ] && DESTPATH=${DESTPATH%?}
+}
+
+# relative_lndir <target_dir>
+# Creates a tree of symlinks in the current working directory that mirror
+# real files in <target_dir>. <target_dir> should be relative to the current
+# working directory. Symlinks in <target_dir> are ignored. Source-control files
+# are ignored.
+relative_lndir ()
+{
+ local SYMLINK_DIR REAL_DIR pref i j
+ SYMLINK_DIR=$PWD
+ REAL_DIR=$1
+ (
+ cd $REAL_DIR
+ for i in `find . -type d | grep -v SCCS`; do
+ [ -d $SYMLINK_DIR/$i ] || mkdir -p $SYMLINK_DIR/$i
+ (
+ cd $i
+ pref=`echo $i | sed -e 's#/[^/]*#../#g' -e 's#^\.##'`
+ for j in `find . -type f -o -type l -maxdepth 1`; do
+ ln -sf ${pref}${REAL_DIR}/$i/$j ${SYMLINK_DIR}/$i/$j
+ done
+ )
+ done
+ )
+}
+
+[ "$1" == "" ] && { echo "Syntax: $0 <linux tree to xenify>"; exit 1; }
+
+# Get absolute path to the destination directory
+pushd . >/dev/null
+cd ${1}
+AD=$PWD
+popd >/dev/null
+
+# Get absolute path to the source directory
+AS=`pwd`
+
+# Get path to source, relative to destination
+abs_to_rel ${AD} ${AS}
+RS=$DESTPATH
+
+# Remove old copies of files and directories at the destination
+for i in `find . -type f -o -type l` ; do rm -f ${AD}/${i#./} ; done
+
+# We now work from the destination directory
+cd ${AD}
+
+# Remove old symlinks
+for i in `find . -type l`; do rm -f $i; done
+
+# Create symlinks of files and directories which exist in the sparse source
+relative_lndir ${RS}
+rm -f mkbuildtree
+
+
+# Create links to the shared definitions of the hypervisor interface
+rm -rf ${AD}/sys/arch/xen/include/hypervisor-ifs
+mkdir ${AD}/sys/arch/xen/include/hypervisor-ifs
+cd ${AD}/sys/arch/xen/include/hypervisor-ifs
+relative_lndir ../../../../../${RS}/../xen/include/hypervisor-ifs
+
+# Remove files which don't exist anymore
+rm -rf ${AD}/sys/arch/xen/xen/events.c
+rm -rf ${AD}/sys/arch/xen/include/events.h