kvm/configure

   1 #!/bin/bash
   2
   3 prefix=/usr/local
   4 kerneldir=/lib/modules/$(uname -r)/build
   5 want_module=1
   6 qemu_cc=
   7 qemu_cflags=
   8 qemu_ldflags=
   9 qemu_opts=
  10 cross_prefix=
  11 arch=`uname -m`
  12 target_exec=
  13
  14 usage() {
  15     cat <<-EOF
  16         Usage: $0 [options]
  17
  18         Options include:
  19             --arch=ARCH            architecture to compile for ($arch)
  20             --cross-prefix=PREFIX  prefix for cross compile
  21             --prefix=PREFIX        where to install things ($prefix)
  22             --with-patched-kernel  don't use external module
  23             --kerneldir=DIR        kernel build directory ($kerneldir)
  24             --qemu-cc=CC           specify compiler for qemu (must be gcc-3.x)
  25             --qemu-cflags=CFLAGS   CFLAGS to add to qemu configuration
  26             --qemu-ldflags=LDFLAGS LDFLAGS to add to qemu configuration
  27             --disable-gcc-check    don't insist on gcc-3.x
  28                                    CAUTION: this will break running without kvm
  29 EOF
  30     exit 1
  31 }
  32
  33 while [[ "$1" = -* ]]; do
  34     opt="$1"; shift
  35     arg=
  36     if [[ "$opt" = *=* ]]; then
  37         arg="${opt#*=}"
  38         opt="${opt%%=*}"
  39     fi
  40     case "$opt" in
  41         --prefix)
  42             prefix="$arg"
  43             ;;
  44         --kerneldir)
  45             kerneldir="$arg"
  46             ;;
  47         --with-patched-kernel)
  48             want_module=
  49             ;;
  50         --qemu-cc)
  51             qemu_cc="$arg"
  52             ;;
  53         --qemu-cflags)
  54             qemu_cflags="$arg"
  55             ;;
  56         --qemu-ldflags)
  57             qemu_ldflags="$arg"
  58             ;;
  59         --arch)
  60             arch="$arg"
  61             ;;
  62         --cross-prefix)
  63             cross_prefix="$arg"
  64             ;;
  65         --help)
  66             usage
  67             ;;
  68         *)
  69             usage
  70             ;;
  71     esac
  72 done
  73
  74
  75 #set kenel directory
  76 libkvm_kerneldir="$kerneldir"
  77 if (( want_module )); then
  78     libkvm_kerneldir=$(readlink -f kernel)
  79 fi
  80
  81 #if arch is an x86 arch set to i386
  82 if [[ $arch = i?86 ]]; then
  83   arch="i386"
  84 fi
  85
  86 #set parameters compiling
  87 if [ "$arch" = "i386" -o "$arch" = "x86_64" ]; then
  88     target_exec="x86_64-softmmu"
  89     qemu_cflags="$qemu_cflags -DCONFIG_X86"
  90 fi
  91
  92 if [ "$arch" = "ia64" ]; then
  93     target_exec="ia64-softmmu"
  94 fi
  95
  96 #configure user dir
  97 (cd user; ./configure --prefix="$prefix" --kerneldir="$libkvm_kerneldir" \
  98           --arch="$arch" \
  99           ${cross_prefix:+"--cross-prefix=$cross_prefix"})
 100
 101 #configure qemu
 102 (cd qemu; ./configure --target-list=$target_exec \
 103     --disable-kqemu \
 104     --extra-cflags="-I $PWD/../libkvm $qemu_cflags" \
 105     --extra-ldflags="-L $PWD/../libkvm $qemu_ldflags" \
 106     --enable-kvm --kernel-path="$libkvm_kerneldir" \
 107     --prefix="$prefix" \
 108     ${qemu_cc:+"--cc=$qemu_cc"} \
 109     ${cross_prefix:+"--cross-prefix=$cross_prefix"} \
 110     ${cross_prefix:+"--cpu=$arch"} $qemu_opts
 111 )
 112
 113
 114 cat <<EOF > config.mak
 115 ARCH=$arch
 116 PREFIX=$prefix
 117 KERNELDIR=$kerneldir
 118 WANT_MODULE=$want_module
 119 CROSS_COMPILE=$cross_prefix
 120 EOF