kvm/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 want_module=1
   9 qemu_cflags=
  10 qemu_ldflags=
  11 qemu_opts=()
  12 cross_prefix=
  13 arch=`uname -m`
  14 target_exec=
  15
  16 usage() {
  17     cat <<-EOF
  18         Usage: $0 [options]
  19
  20         Options include:
  21             --arch=ARCH            architecture to compile for ($arch)
  22             --cross-prefix=PREFIX  prefix for cross compile
  23             --prefix=PREFIX        where to install things ($prefix)
  24             --with-patched-kernel  don't use external module
  25             --kerneldir=DIR        kernel build directory ($kerneldir)
  26             --qemu-cflags=CFLAGS   CFLAGS to add to qemu configuration
  27             --qemu-ldflags=LDFLAGS LDFLAGS to add to qemu configuration
  28
  29         Any additional option is given to qemu's configure verbatim; including:
  30
  31 EOF
  32     cd qemu
  33     ./configure --help | egrep "enable-|disable-" \
  34         | grep -v user | grep -v system | grep -v kqemu | grep -v kvm \
  35         | sed -e "s/^  /    /g" \
  36         | sed -e"s/  enable/enable/g" | sed -e "s/  disable/disable/g"
  37     exit 1
  38 }
  39
  40 while [[ "$1" = -* ]]; do
  41     opt="$1"; shift
  42     arg=
  43     hasarg=
  44     if [[ "$opt" = *=* ]]; then
  45         arg="${opt#*=}"
  46         opt="${opt%%=*}"
  47         hasarg=1
  48     fi
  49     case "$opt" in
  50         --prefix)
  51             prefix="$arg"
  52             ;;
  53         --kerneldir)
  54             kerneldir="$arg"
  55             ;;
  56         --with-patched-kernel)
  57             want_module=
  58             ;;
  59         --qemu-cflags)
  60             qemu_cflags="$arg"
  61             ;;
  62         --qemu-ldflags)
  63             qemu_ldflags="$arg"
  64             ;;
  65         --arch)
  66             arch="$arg"
  67             ;;
  68         --cross-prefix)
  69             cross_prefix="$arg"
  70             ;;
  71         --help)
  72             usage
  73             ;;
  74         *)
  75             qemu_opts=("${qemu_opts[@]}" "$opt${hasarg:+=$arg}")
  76             ;;
  77     esac
  78 done
  79
  80
  81 #set kenel directory
  82 libkvm_kerneldir=$(readlink -f kernel)
  83
  84 #if arch is an x86 arch set to i386
  85 if [[ $arch = i?86 ]]; then
  86   arch="i386"
  87 fi
  88
  89 #set parameters compiling
  90 if [ "$arch" = "i386" -o "$arch" = "x86_64" ]; then
  91     target_exec="x86_64-softmmu"
  92     qemu_cflags="$qemu_cflags -DCONFIG_X86"
  93 fi
  94
  95 if [ "$arch" = "ia64" ]; then
  96     target_exec="ia64-softmmu"
  97 fi
  98
  99 if [ "$arch" = "powerpc" ]; then
 100     target_exec="ppcemb-softmmu"
 101     qemu_cflags="$qemu_cflags -I $PWD/libfdt"
 102     qemu_ldflags="$qemu_ldflags -L $PWD/libfdt"
 103 fi
 104
 105 #configure user dir
 106 (cd user; ./configure --prefix="$prefix" --kerneldir="$libkvm_kerneldir" \
 107           --arch="$arch" \
 108           ${cross_prefix:+"--cross-prefix=$cross_prefix"})
 109
 110 #configure qemu
 111 (cd qemu; ./configure --target-list=$target_exec \
 112     --disable-kqemu \
 113     --disable-gcc-check \
 114     --extra-cflags="-I $PWD/../libkvm $qemu_cflags" \
 115     --extra-ldflags="-L $PWD/../libkvm $qemu_ldflags" \
 116     --kernel-path="$libkvm_kerneldir" \
 117     --prefix="$prefix" \
 118     ${cross_prefix:+"--cross-prefix=$cross_prefix"} \
 119     ${cross_prefix:+"--cpu=$arch"} "${qemu_opts[@]}"
 120 ) || usage
 121
 122
 123 cat <<EOF > config.mak
 124 ARCH=$arch
 125 PREFIX=$prefix
 126 KERNELDIR=$kerneldir
 127 LIBKVM_KERNELDIR=$libkvm_kerneldir
 128 WANT_MODULE=$want_module
 129 CROSS_COMPILE=$cross_prefix
 130 CC=$cross_prefix$cc
 131 LD=$cross_prefix$ld
 132 OBJCOPY=$cross_prefix$objcopy
 133 EOF