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