aom/build/make/gen_asm_deps.sh

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#!/bin/sh
##
## Copyright (c) 2016, Alliance for Open Media. All rights reserved
##
## This source code is subject to the terms of the BSD 2 Clause License and
## the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
## was not distributed with this source code in the LICENSE file, you can
## obtain it at www.aomedia.org/license/software. If the Alliance for Open
## Media Patent License 1.0 was not distributed with this source code in the
## PATENTS file, you can obtain it at www.aomedia.org/license/patent.
##
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=${sfx:-asm}
includes=$(LC_ALL=C 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