blob: c1118e1a8b7c4744d9056560d17e61ab1df6acc4 [file] [log] [blame]
#!/bin/bash
##
## Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
##
## Use of this source code is governed by a BSD-style license and patent
## grant that can be found in the LICENSE file in the root of the source
## tree. All contributing project authors may be found in the AUTHORS
## file in the root of the source tree.
##
self=$0
show_help() {
echo "usage: $self [options] <srcfile>"
echo
echo "Generate Makefile dependency information from assembly code source"
echo
exit 1
}
die_unknown(){
echo "Unknown option \"$1\"."
echo "See $0 --help for available options."
exit 1
}
for opt do
optval="${opt#*=}"
case "$opt" in
--build-pfx=*) pfx="${optval}"
;;
--depfile=*) out="${optval}"
;;
-I*) raw_inc_paths="${raw_inc_paths} ${opt}"
inc_path="${inc_path} ${opt#-I}"
;;
-h|--help) show_help
;;
*) [ -f "$opt" ] && srcfile="$opt"
;;
esac
done
[ -n "$srcfile" ] || show_help
sfx=${sfx:-asm}
includes=$(egrep -i "include +\"?+[a-z0-9_/]+\.${sfx}" $srcfile |
perl -p -e "s;.*?([a-z0-9_/]+.${sfx}).*;\1;")
#" restore editor state
for inc in ${includes}; do
found_inc_path=
for idir in ${inc_path}; do
[ -f "${idir}/${inc}" ] && found_inc_path="${idir}" && break
done
if [ -f `dirname $srcfile`/$inc ]; then
# Handle include files in the same directory as the source
$self --build-pfx=$pfx --depfile=$out ${raw_inc_paths} `dirname $srcfile`/$inc
elif [ -n "${found_inc_path}" ]; then
# Handle include files on the include path
$self --build-pfx=$pfx --depfile=$out ${raw_inc_paths} "${found_inc_path}/$inc"
else
# Handle generated includes in the build root (which may not exist yet)
echo ${out} ${out%d}o: "${pfx}${inc}"
fi
done
echo ${out} ${out%d}o: $srcfile