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