#!/bin/bash
#
#  b43-asm preprocessing frontend
#
#  Copyright (c) 2007 Michael Buesch <mb@bu3sch.de>
#  Licensed under the GNU/GPL version 2.
#


# The b43-asm backend binary
B43_ASM="b43-asm.bin"
# The C preprocessor binary
CPP="cpp"


# 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

if [ "$infile" != "-" ]; then
	if ! [ -r "$infile" ]; then
		echo "ERROR: Can not read input file \"$infile\""
		exit 4
	fi
fi

$CPP -x c++ -traditional-cpp "$infile" | $B43_ASM "-" "$outfile" $@