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#!/bin/bash
prefix=/usr/local
kerneldir=/lib/modules/$(uname -r)/build
cc=gcc
ld=ld
objcopy=objcopy
ar=ar
arch=`uname -m | sed -e s/i.86/i386/`
processor="$arch"
cross_prefix=
usage() {
cat <<-EOF
Usage: $0 [options]
Options include:
--arch=ARCH architecture to compile for ($arch)
--cross-prefix=PREFIX cross compiler prefix
--cc=CC c compiler to use ($cc)
--ld=LD ld linker to use ($ld)
--prefix=PREFIX where to install things ($prefix)
--kerneldir=DIR kernel build directory for kvm.h ($kerneldir)
EOF
exit 1
}
while [[ "$1" = -* ]]; do
opt="$1"; shift
arg=
if [[ "$opt" = *=* ]]; then
arg="${opt#*=}"
opt="${opt%%=*}"
fi
case "$opt" in
--prefix)
prefix="$arg"
;;
--kerneldir)
kerneldir="$arg"
;;
--arch)
arch="$arg"
;;
--processor)
processor="$arg"
;;
--cross-prefix)
cross_prefix="$arg"
;;
--cc)
cc="$arg"
;;
--ld)
ld="$arg"
;;
--help)
usage
;;
*)
usage
;;
esac
done
cat <<EOF > config.mak
PREFIX=$prefix
KERNELDIR=$(readlink -f $kerneldir)
ARCH=$arch
PROCESSOR=$processor
CC=$cross_prefix$cc
LD=$cross_prefix$ld
OBJCOPY=$cross_prefix$objcopy
AR=$cross_prefix$ar
EOF
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