#!/bin/bash
#
# Take a spu executable and turn into into a libtool compatible .lo (and .o) file.
# This is needed when you want to embed a SPU executable into a shared library.
#
# The symbol assigned to the embedded executable is the basename of the
# output file with an _spx appended.  E.g., if the output filename is
# my_spe_tricks.lo the symbol name is my_spe_tricks_spx.
# ("_spx" stands for SPE executable)

if [ $# -ne 2 ]; then
  echo "usage: gcell-embedspu-libtool spu_executable output_file.lo " 1>&2
  exit 1
fi

spu_executable=$1
lo_file=$2
symbol_name=${lo_file%%.lo}_spx

# try to make .libs in case it's not there
mkdir .libs >/dev/null 2>/dev/null

# generate the .o file that wraps the SPU executable
ppu-embedspu -m32 -fpic ${symbol_name} ${spu_executable} .libs/${symbol_name}.o

# generate the .lo libtool file that points at all the right places
rm -f $lo_file
cat >$lo_file.new <<EOF
# $lo_file - a libtool object file
# Generated by ltmain.sh - GNU libtool 1.5.22 (1.1220.2.365 2005/12/18 22:14:06)
#
# Please DO NOT delete this file!
# It is necessary for linking the library.

pic_object='.libs/${symbol_name}.o'
non_pic_object=none
EOF

mv $lo_file.new $lo_file