kvm/configure

   1 #!/bin/bash
   2
   3 prefix=/usr/local
   4 kerneldir=/lib/modules/$(uname -r)/build
   5 want_module=1
   6 qemu_cc=$(ls /usr/bin/gcc3* /usr/bin/gcc-3* 2>/dev/null | tail -n1)
   7 disable_gcc_check=
   8
   9 usage() {
  10     cat <<-EOF
  11         Usage: $0 [options]
  12
  13         Options include:
  14
  15             --prefix=PREFIX        where to install things ($prefix)
  16             --with-patched-kernel  don't use external module
  17             --kerneldir=DIR        kernel build directory ($kerneldir)
  18             --qemu-cc="$qemu_cc"   compiler for qemu (needs gcc3.x) ($qemu_cc)
  19             --disable-gcc-check    don't insist on gcc-3.x
  20                                    - this will break running without kvm
  21 EOF
  22     exit 1
  23 }
  24
  25
  26 # prefer gcc if its version is 3.* ( over a compat-gcc )
  27 # do it before parsing command line arguments to enable the user
  28 #    to specify a specific gcc he/she likes.
  29 if gcc -v 2>&1 | grep -q 'gcc *version *3\.[2-4]\.[0-9]'; then
  30         qemu_cc=gcc
  31 fi
  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         --disable-gcc-check)
  54             disable_gcc_check=1
  55             ;;
  56         --help)
  57             usage
  58             ;;
  59         *)
  60             usage
  61             ;;
  62     esac
  63 done
  64
  65 if [[ -z "$qemu_cc" ]]; then
  66     echo "$0: cannot locate gcc 3.x. please install it or specify with --qemu-cc"
  67     exit 1
  68 fi
  69
  70 libkvm_kerneldir="$kerneldir"
  71 if (( want_module )); then
  72     libkvm_kerneldir=$(readlink -f kernel)
  73 fi
  74
  75 target_cpu() {
  76     if [[ $(uname -m) = i?86 ]]; then
  77         echo i386
  78     else
  79         uname -m
  80     fi
  81 }
  82
  83 (cd user; ./configure --prefix="$prefix" --kerneldir="$libkvm_kerneldir")
  84 (cd qemu; ./configure --target-list=$(target_cpu)-softmmu --cc="$qemu_cc" \
  85     --disable-kqemu --extra-cflags="-I $PWD/../user" \
  86     --extra-ldflags="-L $PWD/../user" \
  87     --enable-kvm --kernel-path="$libkvm_kerneldir" \
  88     --enable-alsa \
  89     ${disable_gcc_check:+"--disable-gcc-check"} \
  90     --prefix="$prefix"
  91 )
  92
  93
  94
  95 cat <<EOF > config.mak
  96 PREFIX=$prefix
  97 KERNELDIR=$kerneldir
  98 WANT_MODULE=$want_module
  99 EOF
 100