user/configure

   1 #!/bin/bash
   2
   3 prefix=/usr/local
   4 kerneldir=/lib/modules/$(uname -r)/build
   5 cc=gcc
   6 ld=ld
   7 objcopy=objcopy
   8 arch=`uname -m | sed -e s/i.86/i386/`
   9 cross_prefix=
  10
  11 usage() {
  12     cat <<-EOF
  13         Usage: $0 [options]
  14
  15         Options include:
  16             --arch=ARCH            architecture to compile for ($arch)
  17             --cross-prefix=PREFIX  cross compiler prefix
  18             --cc=CC                c compiler to use ($cc)
  19             --ld=LD                ld linker to use ($ld)
  20             --prefix=PREFIX        where to install things ($prefix)
  21             --kerneldir=DIR        kernel build directory for kvm.h ($kerneldir)
  22 EOF
  23     exit 1
  24 }
  25
  26 while [[ "$1" = -* ]]; do
  27     opt="$1"; shift
  28     arg=
  29     if [[ "$opt" = *=* ]]; then
  30         arg="${opt#*=}"
  31         opt="${opt%%=*}"
  32     fi
  33     case "$opt" in
  34         --prefix)
  35             prefix="$arg"
  36             ;;
  37         --kerneldir)
  38             kerneldir="$arg"
  39             ;;
  40         --arch)
  41             arch="$arg"
  42             ;;
  43         --cross-prefix)
  44             cross_prefix="$arg"
  45             ;;
  46         --cc)
  47             cc="$arg"
  48             ;;
  49         --ld)
  50             ld="$arg"
  51             ;;
  52         --help)
  53             usage
  54             ;;
  55         *)
  56             usage
  57             ;;
  58     esac
  59 done
  60
  61 cat <<EOF > config.mak
  62 PREFIX=$prefix
  63 KERNELDIR=$(readlink -f $kerneldir)
  64 ARCH=$arch
  65 CC=$cross_prefix$cc
  66 LD=$cross_prefix$ld
  67 OBJCOPY=$cross_prefix$objcopy
  68 EOF