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#!/bin/sh
#
# b43-asm preprocessing frontend
#
# Copyright (c) 2010 Michael Buesch <m@bues.ch>
# Licensed under the GNU/GPL version 2.
#
# The b43-asm backend binary
B43_ASM="b43-asm.bin"
# The C preprocessor binary
CPP="gcc -E"
# This variable is changed by the installer scripts.
installed=0
if [ $installed -eq 0 ] && [ -x "./$B43_ASM" ]; then
B43_ASM="./$B43_ASM"
fi
# Probe the CPP binary
$CPP --help >/dev/null 2>&1
if [ $? -ne 0 ]; then
echo "ERROR: Failed to execute the C preprocessor \"$CPP\""
exit 1
fi
# Probe the b43-asm binary
$B43_ASM a b --help >/dev/null 2>&1
if [ $? -ne 0 ]; then
echo "ERROR: Failed to execute the b43-asm binary \"$B43_ASM\""
exit 2
fi
if [ $# -lt 2 ]; then
$B43_ASM --help
exit 3
fi
infile="$1"
shift
outfile="$1"
shift
cpp_args=
if [ "$1" = "--cpp-args" ]; then
shift
while [ "$1" != "--" ]; do
if [ $# -eq 0 ]; then
echo "ERROR: --cpp-args must be terminated by --"
exit 4
fi
cpp_args="$cpp_args $1"
shift
done
shift
fi
if [ "$infile" != "-" ]; then
if ! [ -r "$infile" ]; then
echo "ERROR: Can not read input file \"$infile\""
exit 5
fi
fi
$CPP -x c++ -traditional-cpp $cpp_args "$infile" | $B43_ASM "-" "$outfile" --__real_infile "$infile" $@
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