Initial import of abandoned HQEMU version 2.5.2HEADmaster

1 files changed, 6010 insertions, 0 deletions

diff --git a/src/configure b/src/configure
new file mode 100755
index 0000000..80c9396
--- /dev/null
+++ b/src/configure
@@ -0,0 +1,6010 @@
+#!/bin/sh
+#
+# qemu configure script (c) 2003 Fabrice Bellard
+#
+
+# Unset some variables known to interfere with behavior of common tools,
+# just as autoconf does.
+CLICOLOR_FORCE= GREP_OPTIONS=
+unset CLICOLOR_FORCE GREP_OPTIONS
+
+# Don't allow CCACHE, if present, to use cached results of compile tests!
+export CCACHE_RECACHE=yes
+
+# Temporary directory used for files created while
+# configure runs. Since it is in the build directory
+# we can safely blow away any previous version of it
+# (and we need not jump through hoops to try to delete
+# it when configure exits.)
+TMPDIR1="config-temp"
+rm -rf "${TMPDIR1}"
+mkdir -p "${TMPDIR1}"
+if [ $? -ne 0 ]; then
+    echo "ERROR: failed to create temporary directory"
+    exit 1
+fi
+
+TMPB="qemu-conf"
+TMPC="${TMPDIR1}/${TMPB}.c"
+TMPO="${TMPDIR1}/${TMPB}.o"
+TMPCXX="${TMPDIR1}/${TMPB}.cxx"
+TMPL="${TMPDIR1}/${TMPB}.lo"
+TMPA="${TMPDIR1}/lib${TMPB}.la"
+TMPE="${TMPDIR1}/${TMPB}.exe"
+
+rm -f config.log
+
+# Print a helpful header at the top of config.log
+echo "# QEMU configure log $(date)" >> config.log
+printf "# Configured with:" >> config.log
+printf " '%s'" "$0" "$@" >> config.log
+echo >> config.log
+echo "#" >> config.log
+
+error_exit() {
+    echo
+    echo "ERROR: $1"
+    while test -n "$2"; do
+        echo "       $2"
+        shift
+    done
+    echo
+    exit 1
+}
+
+do_compiler() {
+    # Run the compiler, capturing its output to the log. First argument
+    # is compiler binary to execute.
+    local compiler="$1"
+    shift
+    echo $compiler "$@" >> config.log
+    $compiler "$@" >> config.log 2>&1 || return $?
+    # Test passed. If this is an --enable-werror build, rerun
+    # the test with -Werror and bail out if it fails. This
+    # makes warning-generating-errors in configure test code
+    # obvious to developers.
+    if test "$werror" != "yes"; then
+        return 0
+    fi
+    # Don't bother rerunning the compile if we were already using -Werror
+    case "$*" in
+        *-Werror*)
+           return 0
+        ;;
+    esac
+    echo $compiler -Werror "$@" >> config.log
+    $compiler -Werror "$@" >> config.log 2>&1 && return $?
+    error_exit "configure test passed without -Werror but failed with -Werror." \
+        "This is probably a bug in the configure script. The failing command" \
+        "will be at the bottom of config.log." \
+        "You can run configure with --disable-werror to bypass this check."
+}
+
+do_cc() {
+    do_compiler "$cc" "$@"
+}
+
+do_cxx() {
+    do_compiler "$cxx" "$@"
+}
+
+update_cxxflags() {
+    # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
+    # options which some versions of GCC's C++ compiler complain about
+    # because they only make sense for C programs.
+    QEMU_CXXFLAGS=
+    for arg in $QEMU_CFLAGS; do
+        case $arg in
+            -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
+            -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
+                ;;
+            *)
+                QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
+                ;;
+        esac
+    done
+}
+
+compile_object() {
+  local_cflags="$1"
+  do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
+}
+
+compile_prog() {
+  local_cflags="$1"
+  local_ldflags="$2"
+  do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
+}
+
+do_libtool() {
+    local mode=$1
+    shift
+    # Run the compiler, capturing its output to the log.
+    echo $libtool $mode --tag=CC $cc "$@" >> config.log
+    $libtool $mode --tag=CC $cc "$@" >> config.log 2>&1 || return $?
+    # Test passed. If this is an --enable-werror build, rerun
+    # the test with -Werror and bail out if it fails. This
+    # makes warning-generating-errors in configure test code
+    # obvious to developers.
+    if test "$werror" != "yes"; then
+        return 0
+    fi
+    # Don't bother rerunning the compile if we were already using -Werror
+    case "$*" in
+        *-Werror*)
+           return 0
+        ;;
+    esac
+    echo $libtool $mode --tag=CC $cc -Werror "$@" >> config.log
+    $libtool $mode --tag=CC $cc -Werror "$@" >> config.log 2>&1 && return $?
+    error_exit "configure test passed without -Werror but failed with -Werror." \
+        "This is probably a bug in the configure script. The failing command" \
+        "will be at the bottom of config.log." \
+        "You can run configure with --disable-werror to bypass this check."
+}
+
+libtool_prog() {
+    do_libtool --mode=compile $QEMU_CFLAGS -c -fPIE -DPIE -o $TMPO $TMPC || return $?
+    do_libtool --mode=link $LDFLAGS -o $TMPA $TMPL -rpath /usr/local/lib
+}
+
+# symbolically link $1 to $2.  Portable version of "ln -sf".
+symlink() {
+  rm -rf "$2"
+  mkdir -p "$(dirname "$2")"
+  ln -s "$1" "$2"
+}
+
+# check whether a command is available to this shell (may be either an
+# executable or a builtin)
+has() {
+    type "$1" >/dev/null 2>&1
+}
+
+# search for an executable in PATH
+path_of() {
+    local_command="$1"
+    local_ifs="$IFS"
+    local_dir=""
+
+    # pathname has a dir component?
+    if [ "${local_command#*/}" != "$local_command" ]; then
+        if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
+            echo "$local_command"
+            return 0
+        fi
+    fi
+    if [ -z "$local_command" ]; then
+        return 1
+    fi
+
+    IFS=:
+    for local_dir in $PATH; do
+        if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
+            echo "$local_dir/$local_command"
+            IFS="${local_ifs:-$(printf ' \t\n')}"
+            return 0
+        fi
+    done
+    # not found
+    IFS="${local_ifs:-$(printf ' \t\n')}"
+    return 1
+}
+
+have_backend () {
+    echo "$trace_backends" | grep "$1" >/dev/null
+}
+
+# default parameters
+source_path=`dirname "$0"`
+cpu=""
+iasl="iasl"
+interp_prefix="/usr/gnemul/qemu-%M"
+static="no"
+cross_prefix=""
+audio_drv_list=""
+block_drv_rw_whitelist=""
+block_drv_ro_whitelist=""
+host_cc="cc"
+libs_softmmu=""
+libs_tools=""
+audio_pt_int=""
+audio_win_int=""
+cc_i386=i386-pc-linux-gnu-gcc
+libs_qga=""
+debug_info="yes"
+stack_protector=""
+
+# Don't accept a target_list environment variable.
+unset target_list
+
+# Default value for a variable defining feature "foo".
+#  * foo="no"  feature will only be used if --enable-foo arg is given
+#  * foo=""    feature will be searched for, and if found, will be used
+#              unless --disable-foo is given
+#  * foo="yes" this value will only be set by --enable-foo flag.
+#              feature will searched for,
+#              if not found, configure exits with error
+#
+# Always add --enable-foo and --disable-foo command line args.
+# Distributions want to ensure that several features are compiled in, and it
+# is impossible without a --enable-foo that exits if a feature is not found.
+
+bluez=""
+brlapi=""
+curl=""
+curses=""
+docs=""
+fdt=""
+netmap="no"
+pixman=""
+sdl=""
+sdlabi="1.2"
+virtfs=""
+vnc="yes"
+sparse="no"
+uuid=""
+vde=""
+vnc_sasl=""
+vnc_jpeg=""
+vnc_png=""
+xen=""
+xen_ctrl_version=""
+xen_pci_passthrough=""
+linux_aio=""
+cap_ng=""
+attr=""
+libattr=""
+xfs=""
+
+vhost_net="no"
+vhost_scsi="no"
+kvm="no"
+rdma=""
+gprof="no"
+debug_tcg="no"
+debug="no"
+fortify_source=""
+strip_opt="yes"
+tcg_interpreter="no"
+bigendian="no"
+mingw32="no"
+gcov="no"
+gcov_tool="gcov"
+EXESUF=""
+DSOSUF=".so"
+LDFLAGS_SHARED="-shared"
+modules="no"
+prefix="/usr/local"
+mandir="\${prefix}/share/man"
+datadir="\${prefix}/share"
+qemu_docdir="\${prefix}/share/doc/qemu"
+bindir="\${prefix}/bin"
+libdir="\${prefix}/lib"
+libexecdir="\${prefix}/libexec"
+includedir="\${prefix}/include"
+sysconfdir="\${prefix}/etc"
+local_statedir="\${prefix}/var"
+confsuffix="/qemu"
+slirp="yes"
+oss_lib=""
+bsd="no"
+linux="no"
+solaris="no"
+profiler="no"
+cocoa="no"
+softmmu="yes"
+linux_user="no"
+bsd_user="no"
+aix="no"
+blobs="yes"
+pkgversion=""
+pie=""
+zero_malloc=""
+qom_cast_debug="yes"
+trace_backends="nop"
+trace_file="trace"
+spice=""
+rbd=""
+smartcard=""
+libusb=""
+usb_redir=""
+opengl=""
+zlib="yes"
+lzo=""
+snappy=""
+bzip2=""
+guest_agent=""
+guest_agent_with_vss="no"
+guest_agent_ntddscsi="no"
+guest_agent_msi=""
+vss_win32_sdk=""
+win_sdk="no"
+want_tools="yes"
+libiscsi=""
+libnfs=""
+coroutine=""
+coroutine_pool=""
+seccomp=""
+glusterfs=""
+glusterfs_discard="no"
+glusterfs_zerofill="no"
+archipelago="no"
+gtk=""
+gtkabi=""
+gtk_gl="no"
+gnutls=""
+gnutls_hash=""
+nettle=""
+gcrypt=""
+vte=""
+virglrenderer=""
+tpm="yes"
+libssh2=""
+vhdx=""
+numa=""
+tcmalloc="no"
+jemalloc="no"
+llvm="no"
+bcflags=""
+libopencsd=""
+
+# parse CC options first
+for opt do
+  optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
+  case "$opt" in
+  --cross-prefix=*) cross_prefix="$optarg"
+  ;;
+  --cc=*) CC="$optarg"
+  ;;
+  --cxx=*) CXX="$optarg"
+  ;;
+  --source-path=*) source_path="$optarg"
+  ;;
+  --cpu=*) cpu="$optarg"
+  ;;
+  --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
+                    EXTRA_CFLAGS="$optarg"
+  ;;
+  --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
+                     EXTRA_LDFLAGS="$optarg"
+  ;;
+  --enable-debug-info) debug_info="yes"
+  ;;
+  --disable-debug-info) debug_info="no"
+  ;;
+  esac
+done
+# OS specific
+# Using uname is really, really broken.  Once we have the right set of checks
+# we can eliminate its usage altogether.
+
+# Preferred compiler:
+#  ${CC} (if set)
+#  ${cross_prefix}gcc (if cross-prefix specified)
+#  system compiler
+if test -z "${CC}${cross_prefix}"; then
+  cc="$host_cc"
+else
+  cc="${CC-${cross_prefix}gcc}"
+fi
+
+if test -z "${CXX}${cross_prefix}"; then
+  cxx="c++"
+else
+  cxx="${CXX-${cross_prefix}g++}"
+fi
+
+ar="${AR-${cross_prefix}ar}"
+as="${AS-${cross_prefix}as}"
+cpp="${CPP-$cc -E}"
+objcopy="${OBJCOPY-${cross_prefix}objcopy}"
+ld="${LD-${cross_prefix}ld}"
+libtool="${LIBTOOL-${cross_prefix}libtool}"
+nm="${NM-${cross_prefix}nm}"
+strip="${STRIP-${cross_prefix}strip}"
+windres="${WINDRES-${cross_prefix}windres}"
+pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
+query_pkg_config() {
+    "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
+}
+pkg_config=query_pkg_config
+sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
+sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
+
+# If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
+ARFLAGS="${ARFLAGS-rv}"
+
+# default flags for all hosts
+QEMU_CFLAGS="-fno-strict-aliasing -fno-common $QEMU_CFLAGS"
+QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
+QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
+QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
+QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/include"
+if test "$debug_info" = "yes"; then
+    CFLAGS="-g $CFLAGS"
+    LDFLAGS="-g $LDFLAGS"
+fi
+
+# make source path absolute
+source_path=`cd "$source_path"; pwd`
+
+# running configure in the source tree?
+# we know that's the case if configure is there.
+if test -f "./configure"; then
+    pwd_is_source_path="y"
+else
+    pwd_is_source_path="n"
+fi
+
+check_define() {
+cat > $TMPC <<EOF
+#if !defined($1)
+#error $1 not defined
+#endif
+int main(void) { return 0; }
+EOF
+  compile_object
+}
+
+check_include() {
+cat > $TMPC <<EOF
+#include <$1>
+int main(void) { return 0; }
+EOF
+  compile_object
+}
+
+write_c_skeleton() {
+    cat > $TMPC <<EOF
+int main(void) { return 0; }
+EOF
+}
+
+if check_define __linux__ ; then
+  targetos="Linux"
+elif check_define _WIN32 ; then
+  targetos='MINGW32'
+elif check_define __OpenBSD__ ; then
+  targetos='OpenBSD'
+elif check_define __sun__ ; then
+  targetos='SunOS'
+elif check_define __HAIKU__ ; then
+  targetos='Haiku'
+else
+  targetos=`uname -s`
+fi
+
+# Some host OSes need non-standard checks for which CPU to use.
+# Note that these checks are broken for cross-compilation: if you're
+# cross-compiling to one of these OSes then you'll need to specify
+# the correct CPU with the --cpu option.
+case $targetos in
+Darwin)
+  # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
+  # run 64-bit userspace code.
+  # If the user didn't specify a CPU explicitly and the kernel says this is
+  # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
+  if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
+    cpu="x86_64"
+  fi
+  ;;
+SunOS)
+  # `uname -m` returns i86pc even on an x86_64 box, so default based on isainfo
+  if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
+    cpu="x86_64"
+  fi
+esac
+
+if test ! -z "$cpu" ; then
+  # command line argument
+  :
+elif check_define __i386__ ; then
+  cpu="i386"
+elif check_define __x86_64__ ; then
+  if check_define __ILP32__ ; then
+    cpu="x32"
+  else
+    cpu="x86_64"
+  fi
+elif check_define __sparc__ ; then
+  if check_define __arch64__ ; then
+    cpu="sparc64"
+  else
+    cpu="sparc"
+  fi
+elif check_define _ARCH_PPC ; then
+  if check_define _ARCH_PPC64 ; then
+    cpu="ppc64"
+  else
+    cpu="ppc"
+  fi
+elif check_define __mips__ ; then
+  cpu="mips"
+elif check_define __ia64__ ; then
+  cpu="ia64"
+elif check_define __s390__ ; then
+  if check_define __s390x__ ; then
+    cpu="s390x"
+  else
+    cpu="s390"
+  fi
+elif check_define __arm__ ; then
+  cpu="arm"
+elif check_define __aarch64__ ; then
+  cpu="aarch64"
+elif check_define __hppa__ ; then
+  cpu="hppa"
+else
+  cpu=`uname -m`
+fi
+
+ARCH=
+# Normalise host CPU name and set ARCH.
+# Note that this case should only have supported host CPUs, not guests.
+case "$cpu" in
+  ia64|ppc|ppc64|s390|s390x|sparc64|x32)
+    cpu="$cpu"
+  ;;
+  i386|i486|i586|i686|i86pc|BePC)
+    cpu="i386"
+  ;;
+  x86_64|amd64)
+    cpu="x86_64"
+  ;;
+  armv*b|armv*l|arm)
+    cpu="arm"
+  ;;
+  aarch64)
+    cpu="aarch64"
+  ;;
+  mips*)
+    cpu="mips"
+  ;;
+  sparc|sun4[cdmuv])
+    cpu="sparc"
+  ;;
+  *)
+    # This will result in either an error or falling back to TCI later
+    ARCH=unknown
+  ;;
+esac
+if test -z "$ARCH"; then
+  ARCH="$cpu"
+fi
+
+# OS specific
+
+# host *BSD for user mode
+HOST_VARIANT_DIR=""
+
+case $targetos in
+CYGWIN*)
+  mingw32="yes"
+  QEMU_CFLAGS="-mno-cygwin $QEMU_CFLAGS"
+  audio_possible_drivers="sdl"
+  audio_drv_list="sdl"
+;;
+MINGW32*)
+  mingw32="yes"
+  audio_possible_drivers="dsound sdl"
+  if check_include dsound.h; then
+    audio_drv_list="dsound"
+  else
+    audio_drv_list=""
+  fi
+;;
+GNU/kFreeBSD)
+  bsd="yes"
+  audio_drv_list="oss"
+  audio_possible_drivers="oss sdl pa"
+;;
+FreeBSD)
+  bsd="yes"
+  make="${MAKE-gmake}"
+  audio_drv_list="oss"
+  audio_possible_drivers="oss sdl pa"
+  # needed for kinfo_getvmmap(3) in libutil.h
+  LIBS="-lutil $LIBS"
+  netmap=""  # enable netmap autodetect
+  HOST_VARIANT_DIR="freebsd"
+;;
+DragonFly)
+  bsd="yes"
+  make="${MAKE-gmake}"
+  audio_drv_list="oss"
+  audio_possible_drivers="oss sdl pa"
+  HOST_VARIANT_DIR="dragonfly"
+;;
+NetBSD)
+  bsd="yes"
+  make="${MAKE-gmake}"
+  audio_drv_list="oss"
+  audio_possible_drivers="oss sdl"
+  oss_lib="-lossaudio"
+  HOST_VARIANT_DIR="netbsd"
+;;
+OpenBSD)
+  bsd="yes"
+  make="${MAKE-gmake}"
+  audio_drv_list="sdl"
+  audio_possible_drivers="sdl"
+  HOST_VARIANT_DIR="openbsd"
+;;
+Darwin)
+  bsd="yes"
+  darwin="yes"
+  LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
+  if [ "$cpu" = "x86_64" ] ; then
+    QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
+    LDFLAGS="-arch x86_64 $LDFLAGS"
+  fi
+  cocoa="yes"
+  audio_drv_list="coreaudio"
+  audio_possible_drivers="coreaudio sdl"
+  LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
+  libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
+  # Disable attempts to use ObjectiveC features in os/object.h since they
+  # won't work when we're compiling with gcc as a C compiler.
+  QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
+  HOST_VARIANT_DIR="darwin"
+;;
+SunOS)
+  solaris="yes"
+  make="${MAKE-gmake}"
+  install="${INSTALL-ginstall}"
+  ld="gld"
+  smbd="${SMBD-/usr/sfw/sbin/smbd}"
+  needs_libsunmath="no"
+  solarisrev=`uname -r | cut -f2 -d.`
+  if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
+    if test "$solarisrev" -le 9 ; then
+      if test -f /opt/SUNWspro/prod/lib/libsunmath.so.1; then
+        needs_libsunmath="yes"
+        QEMU_CFLAGS="-I/opt/SUNWspro/prod/include/cc $QEMU_CFLAGS"
+        LDFLAGS="-L/opt/SUNWspro/prod/lib -R/opt/SUNWspro/prod/lib $LDFLAGS"
+        LIBS="-lsunmath $LIBS"
+      else
+        error_exit "QEMU will not link correctly on Solaris 8/X86 or 9/x86 without" \
+            "libsunmath from the Sun Studio compilers tools, due to a lack of" \
+            "C99 math features in libm.so in Solaris 8/x86 and Solaris 9/x86" \
+            "Studio 11 can be downloaded from www.sun.com."
+      fi
+    fi
+  fi
+  if test -f /usr/include/sys/soundcard.h ; then
+    audio_drv_list="oss"
+  fi
+  audio_possible_drivers="oss sdl"
+# needed for CMSG_ macros in sys/socket.h
+  QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
+# needed for TIOCWIN* defines in termios.h
+  QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
+  QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
+  solarisnetlibs="-lsocket -lnsl -lresolv"
+  LIBS="$solarisnetlibs $LIBS"
+  libs_qga="$solarisnetlibs $libs_qga"
+;;
+AIX)
+  aix="yes"
+  make="${MAKE-gmake}"
+;;
+Haiku)
+  haiku="yes"
+  QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
+  LIBS="-lposix_error_mapper -lnetwork $LIBS"
+;;
+*)
+  audio_drv_list="oss"
+  audio_possible_drivers="oss alsa sdl pa"
+  linux="yes"
+  linux_user="yes"
+  kvm="yes"
+  vhost_net="yes"
+  vhost_scsi="yes"
+  QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$(pwd)/linux-headers $QEMU_INCLUDES"
+;;
+esac
+
+if [ "$bsd" = "yes" ] ; then
+  if [ "$darwin" != "yes" ] ; then
+    bsd_user="yes"
+  fi
+fi
+
+: ${make=${MAKE-make}}
+: ${install=${INSTALL-install}}
+: ${python=${PYTHON-python}}
+: ${smbd=${SMBD-/usr/sbin/smbd}}
+
+# Default objcc to clang if available, otherwise use CC
+if has clang; then
+  objcc=clang
+else
+  objcc="$cc"
+fi
+
+if test "$mingw32" = "yes" ; then
+  EXESUF=".exe"
+  DSOSUF=".dll"
+  QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS"
+  # enable C99/POSIX format strings (needs mingw32-runtime 3.15 or later)
+  QEMU_CFLAGS="-D__USE_MINGW_ANSI_STDIO=1 $QEMU_CFLAGS"
+  # MinGW needs -mthreads for TLS and macro _MT.
+  QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
+  LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
+  write_c_skeleton;
+  if compile_prog "" "-liberty" ; then
+    LIBS="-liberty $LIBS"
+  fi
+  prefix="c:/Program Files/QEMU"
+  mandir="\${prefix}"
+  datadir="\${prefix}"
+  qemu_docdir="\${prefix}"
+  bindir="\${prefix}"
+  sysconfdir="\${prefix}"
+  local_statedir=
+  confsuffix=""
+  libs_qga="-lws2_32 -lwinmm -lpowrprof -liphlpapi -lnetapi32 $libs_qga"
+fi
+
+werror=""
+
+for opt do
+  optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
+  case "$opt" in
+  --help|-h) show_help=yes
+  ;;
+  --version|-V) exec cat $source_path/VERSION
+  ;;
+  --prefix=*) prefix="$optarg"
+  ;;
+  --interp-prefix=*) interp_prefix="$optarg"
+  ;;
+  --source-path=*)
+  ;;
+  --cross-prefix=*)
+  ;;
+  --cc=*)
+  ;;
+  --host-cc=*) host_cc="$optarg"
+  ;;
+  --cxx=*)
+  ;;
+  --iasl=*) iasl="$optarg"
+  ;;
+  --objcc=*) objcc="$optarg"
+  ;;
+  --make=*) make="$optarg"
+  ;;
+  --install=*) install="$optarg"
+  ;;
+  --python=*) python="$optarg"
+  ;;
+  --gcov=*) gcov_tool="$optarg"
+  ;;
+  --smbd=*) smbd="$optarg"
+  ;;
+  --extra-cflags=*)
+  ;;
+  --extra-ldflags=*)
+  ;;
+  --enable-debug-info)
+  ;;
+  --disable-debug-info)
+  ;;
+  --enable-modules)
+      modules="yes"
+  ;;
+  --disable-modules)
+      modules="no"
+  ;;
+  --cpu=*)
+  ;;
+  --target-list=*) target_list="$optarg"
+  ;;
+  --enable-trace-backends=*) trace_backends="$optarg"
+  ;;
+  # XXX: backwards compatibility
+  --enable-trace-backend=*) trace_backends="$optarg"
+  ;;
+  --with-trace-file=*) trace_file="$optarg"
+  ;;
+  --enable-gprof) gprof="yes"
+  ;;
+  --enable-gcov) gcov="yes"
+  ;;
+  --static)
+    static="yes"
+    LDFLAGS="-static $LDFLAGS"
+    QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
+  ;;
+  --mandir=*) mandir="$optarg"
+  ;;
+  --bindir=*) bindir="$optarg"
+  ;;
+  --libdir=*) libdir="$optarg"
+  ;;
+  --libexecdir=*) libexecdir="$optarg"
+  ;;
+  --includedir=*) includedir="$optarg"
+  ;;
+  --datadir=*) datadir="$optarg"
+  ;;
+  --with-confsuffix=*) confsuffix="$optarg"
+  ;;
+  --docdir=*) qemu_docdir="$optarg"
+  ;;
+  --sysconfdir=*) sysconfdir="$optarg"
+  ;;
+  --localstatedir=*) local_statedir="$optarg"
+  ;;
+  --sbindir=*|--sharedstatedir=*|\
+  --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
+  --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
+    # These switches are silently ignored, for compatibility with
+    # autoconf-generated configure scripts. This allows QEMU's
+    # configure to be used by RPM and similar macros that set
+    # lots of directory switches by default.
+  ;;
+  --with-system-pixman) pixman="system"
+  ;;
+  --without-system-pixman) pixman="internal"
+  ;;
+  --without-pixman) pixman="none"
+  ;;
+  --disable-sdl) sdl="no"
+  ;;
+  --enable-sdl) sdl="yes"
+  ;;
+  --with-sdlabi=*) sdlabi="$optarg"
+  ;;
+  --disable-qom-cast-debug) qom_cast_debug="no"
+  ;;
+  --enable-qom-cast-debug) qom_cast_debug="yes"
+  ;;
+  --disable-virtfs) virtfs="no"
+  ;;
+  --enable-virtfs) virtfs="yes"
+  ;;
+  --disable-vnc) vnc="no"
+  ;;
+  --enable-vnc) vnc="yes"
+  ;;
+  --oss-lib=*) oss_lib="$optarg"
+  ;;
+  --audio-drv-list=*) audio_drv_list="$optarg"
+  ;;
+  --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=`echo "$optarg" | sed -e 's/,/ /g'`
+  ;;
+  --block-drv-ro-whitelist=*) block_drv_ro_whitelist=`echo "$optarg" | sed -e 's/,/ /g'`
+  ;;
+  --enable-debug-tcg) debug_tcg="yes"
+  ;;
+  --disable-debug-tcg) debug_tcg="no"
+  ;;
+  --enable-debug)
+      # Enable debugging options that aren't excessively noisy
+      debug_tcg="yes"
+      debug="yes"
+      strip_opt="no"
+      fortify_source="no"
+  ;;
+  --enable-sparse) sparse="yes"
+  ;;
+  --disable-sparse) sparse="no"
+  ;;
+  --disable-strip) strip_opt="no"
+  ;;
+  --disable-vnc-sasl) vnc_sasl="no"
+  ;;
+  --enable-vnc-sasl) vnc_sasl="yes"
+  ;;
+  --disable-vnc-jpeg) vnc_jpeg="no"
+  ;;
+  --enable-vnc-jpeg) vnc_jpeg="yes"
+  ;;
+  --disable-vnc-png) vnc_png="no"
+  ;;
+  --enable-vnc-png) vnc_png="yes"
+  ;;
+  --disable-slirp) slirp="no"
+  ;;
+  --disable-uuid) uuid="no"
+  ;;
+  --enable-uuid) uuid="yes"
+  ;;
+  --disable-vde) vde="no"
+  ;;
+  --enable-vde) vde="yes"
+  ;;
+  --disable-netmap) netmap="no"
+  ;;
+  --enable-netmap) netmap="yes"
+  ;;
+  --disable-xen) xen="no"
+  ;;
+  --enable-xen) xen="yes"
+  ;;
+  --disable-xen-pci-passthrough) xen_pci_passthrough="no"
+  ;;
+  --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
+  ;;
+  --disable-brlapi) brlapi="no"
+  ;;
+  --enable-brlapi) brlapi="yes"
+  ;;
+  --disable-bluez) bluez="no"
+  ;;
+  --enable-bluez) bluez="yes"
+  ;;
+  --disable-kvm) kvm="no"
+  ;;
+  --enable-kvm) kvm="yes"
+  ;;
+  --disable-tcg-interpreter) tcg_interpreter="no"
+  ;;
+  --enable-tcg-interpreter) tcg_interpreter="yes"
+  ;;
+  --disable-cap-ng)  cap_ng="no"
+  ;;
+  --enable-cap-ng) cap_ng="yes"
+  ;;
+  --disable-spice) spice="no"
+  ;;
+  --enable-spice) spice="yes"
+  ;;
+  --disable-libiscsi) libiscsi="no"
+  ;;
+  --enable-libiscsi) libiscsi="yes"
+  ;;
+  --disable-libnfs) libnfs="no"
+  ;;
+  --enable-libnfs) libnfs="yes"
+  ;;
+  --enable-profiler) profiler="yes"
+  ;;
+  --disable-cocoa) cocoa="no"
+  ;;
+  --enable-cocoa)
+      cocoa="yes" ;
+      audio_drv_list="coreaudio `echo $audio_drv_list | sed s,coreaudio,,g`"
+  ;;
+  --disable-system) softmmu="no"
+  ;;
+  --enable-system) softmmu="yes"
+  ;;
+  --disable-user)
+      linux_user="no" ;
+      bsd_user="no" ;
+  ;;
+  --enable-user) ;;
+  --disable-linux-user) linux_user="no"
+  ;;
+  --enable-linux-user) linux_user="yes"
+  ;;
+  --disable-bsd-user) bsd_user="no"
+  ;;
+  --enable-bsd-user) bsd_user="yes"
+  ;;
+  --enable-pie) pie="yes"
+  ;;
+  --disable-pie) pie="no"
+  ;;
+  --enable-werror) werror="yes"
+  ;;
+  --disable-werror) werror="no"
+  ;;
+  --enable-stack-protector) stack_protector="yes"
+  ;;
+  --disable-stack-protector) stack_protector="no"
+  ;;
+  --disable-curses) curses="no"
+  ;;
+  --enable-curses) curses="yes"
+  ;;
+  --disable-curl) curl="no"
+  ;;
+  --enable-curl) curl="yes"
+  ;;
+  --disable-fdt) fdt="no"
+  ;;
+  --enable-fdt) fdt="yes"
+  ;;
+  --disable-linux-aio) linux_aio="no"
+  ;;
+  --enable-linux-aio) linux_aio="yes"
+  ;;
+  --disable-attr) attr="no"
+  ;;
+  --enable-attr) attr="yes"
+  ;;
+  --disable-blobs) blobs="no"
+  ;;
+  --with-pkgversion=*) pkgversion=" ($optarg)"
+  ;;
+  --with-coroutine=*) coroutine="$optarg"
+  ;;
+  --disable-coroutine-pool) coroutine_pool="no"
+  ;;
+  --enable-coroutine-pool) coroutine_pool="yes"
+  ;;
+  --disable-docs) docs="no"
+  ;;
+  --enable-docs) docs="yes"
+  ;;
+  --disable-vhost-net) vhost_net="no"
+  ;;
+  --enable-vhost-net) vhost_net="yes"
+  ;;
+  --disable-vhost-scsi) vhost_scsi="no"
+  ;;
+  --enable-vhost-scsi) vhost_scsi="yes"
+  ;;
+  --disable-opengl) opengl="no"
+  ;;
+  --enable-opengl) opengl="yes"
+  ;;
+  --disable-rbd) rbd="no"
+  ;;
+  --enable-rbd) rbd="yes"
+  ;;
+  --disable-xfsctl) xfs="no"
+  ;;
+  --enable-xfsctl) xfs="yes"
+  ;;
+  --disable-smartcard) smartcard="no"
+  ;;
+  --enable-smartcard) smartcard="yes"
+  ;;
+  --disable-libusb) libusb="no"
+  ;;
+  --enable-libusb) libusb="yes"
+  ;;
+  --disable-usb-redir) usb_redir="no"
+  ;;
+  --enable-usb-redir) usb_redir="yes"
+  ;;
+  --disable-zlib-test) zlib="no"
+  ;;
+  --disable-lzo) lzo="no"
+  ;;
+  --enable-lzo) lzo="yes"
+  ;;
+  --disable-snappy) snappy="no"
+  ;;
+  --enable-snappy) snappy="yes"
+  ;;
+  --disable-bzip2) bzip2="no"
+  ;;
+  --enable-bzip2) bzip2="yes"
+  ;;
+  --enable-guest-agent) guest_agent="yes"
+  ;;
+  --disable-guest-agent) guest_agent="no"
+  ;;
+  --enable-guest-agent-msi) guest_agent_msi="yes"
+  ;;
+  --disable-guest-agent-msi) guest_agent_msi="no"
+  ;;
+  --with-vss-sdk) vss_win32_sdk=""
+  ;;
+  --with-vss-sdk=*) vss_win32_sdk="$optarg"
+  ;;
+  --without-vss-sdk) vss_win32_sdk="no"
+  ;;
+  --with-win-sdk) win_sdk=""
+  ;;
+  --with-win-sdk=*) win_sdk="$optarg"
+  ;;
+  --without-win-sdk) win_sdk="no"
+  ;;
+  --enable-tools) want_tools="yes"
+  ;;
+  --disable-tools) want_tools="no"
+  ;;
+  --enable-seccomp) seccomp="yes"
+  ;;
+  --disable-seccomp) seccomp="no"
+  ;;
+  --disable-glusterfs) glusterfs="no"
+  ;;
+  --enable-glusterfs) glusterfs="yes"
+  ;;
+  --disable-archipelago) archipelago="no"
+  ;;
+  --enable-archipelago) archipelago="yes"
+  ;;
+  --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
+      echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
+  ;;
+  --disable-gtk) gtk="no"
+  ;;
+  --enable-gtk) gtk="yes"
+  ;;
+  --disable-gnutls) gnutls="no"
+  ;;
+  --enable-gnutls) gnutls="yes"
+  ;;
+  --disable-nettle) nettle="no"
+  ;;
+  --enable-nettle) nettle="yes"
+  ;;
+  --disable-gcrypt) gcrypt="no"
+  ;;
+  --enable-gcrypt) gcrypt="yes"
+  ;;
+  --enable-rdma) rdma="yes"
+  ;;
+  --disable-rdma) rdma="no"
+  ;;
+  --with-gtkabi=*) gtkabi="$optarg"
+  ;;
+  --disable-vte) vte="no"
+  ;;
+  --enable-vte) vte="yes"
+  ;;
+  --disable-virglrenderer) virglrenderer="no"
+  ;;
+  --enable-virglrenderer) virglrenderer="yes"
+  ;;
+  --disable-tpm) tpm="no"
+  ;;
+  --enable-tpm) tpm="yes"
+  ;;
+  --disable-libssh2) libssh2="no"
+  ;;
+  --enable-libssh2) libssh2="yes"
+  ;;
+  --enable-vhdx) vhdx="yes"
+  ;;
+  --disable-vhdx) vhdx="no"
+  ;;
+  --disable-numa) numa="no"
+  ;;
+  --enable-numa) numa="yes"
+  ;;
+  --disable-tcmalloc) tcmalloc="no"
+  ;;
+  --enable-tcmalloc) tcmalloc="yes"
+  ;;
+  --disable-jemalloc) jemalloc="no"
+  ;;
+  --enable-jemalloc) jemalloc="yes"
+  ;;
+  --enable-llvm) llvm="yes"
+  ;;
+  --clang-flags=*) bcflags="$optarg"
+  ;;
+  --with-libopencsd=*) libopencsd="$optarg"
+  ;;
+  *)
+      echo "ERROR: unknown option $opt"
+      echo "Try '$0 --help' for more information"
+      exit 1
+  ;;
+  esac
+done
+
+if ! has $python; then
+  error_exit "Python not found. Use --python=/path/to/python"
+fi
+
+# Note that if the Python conditional here evaluates True we will exit
+# with status 1 which is a shell 'false' value.
+if ! $python -c 'import sys; sys.exit(sys.version_info < (2,6) or sys.version_info >= (3,))'; then
+  error_exit "Cannot use '$python', Python 2.6 or later is required." \
+      "Note that Python 3 or later is not yet supported." \
+      "Use --python=/path/to/python to specify a supported Python."
+fi
+
+# Suppress writing compiled files
+python="$python -B"
+
+case "$cpu" in
+    ppc)
+           CPU_CFLAGS="-m32"
+           LDFLAGS="-m32 $LDFLAGS"
+           ;;
+    ppc64)
+           CPU_CFLAGS="-m64"
+           LDFLAGS="-m64 $LDFLAGS"
+           ;;
+    sparc)
+           LDFLAGS="-m32 $LDFLAGS"
+           CPU_CFLAGS="-m32 -mcpu=ultrasparc"
+           ;;
+    sparc64)
+           LDFLAGS="-m64 $LDFLAGS"
+           CPU_CFLAGS="-m64 -mcpu=ultrasparc"
+           ;;
+    s390)
+           CPU_CFLAGS="-m31"
+           LDFLAGS="-m31 $LDFLAGS"
+           ;;
+    s390x)
+           CPU_CFLAGS="-m64"
+           LDFLAGS="-m64 $LDFLAGS"
+           ;;
+    i386)
+           CPU_CFLAGS="-m32"
+           LDFLAGS="-m32 $LDFLAGS"
+           cc_i386='$(CC) -m32'
+           ;;
+    x86_64)
+           CPU_CFLAGS="-m64"
+           LDFLAGS="-m64 $LDFLAGS"
+           cc_i386='$(CC) -m32'
+           ;;
+    x32)
+           CPU_CFLAGS="-mx32"
+           LDFLAGS="-mx32 $LDFLAGS"
+           cc_i386='$(CC) -m32'
+           ;;
+    # No special flags required for other host CPUs
+esac
+
+QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
+EXTRA_CFLAGS="$CPU_CFLAGS $EXTRA_CFLAGS"
+
+default_target_list=""
+
+mak_wilds=""
+
+if [ "$softmmu" = "yes" ]; then
+    mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
+fi
+if [ "$linux_user" = "yes" ]; then
+    mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
+fi
+if [ "$bsd_user" = "yes" ]; then
+    mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
+fi
+
+for config in $mak_wilds; do
+    default_target_list="${default_target_list} $(basename "$config" .mak)"
+done
+
+if test x"$show_help" = x"yes" ; then
+cat << EOF
+
+Usage: configure [options]
+Options: [defaults in brackets after descriptions]
+
+Standard options:
+  --help                   print this message
+  --prefix=PREFIX          install in PREFIX [$prefix]
+  --interp-prefix=PREFIX   where to find shared libraries, etc.
+                           use %M for cpu name [$interp_prefix]
+  --target-list=LIST       set target list (default: build everything)
+$(echo Available targets: $default_target_list | \
+  fold -s -w 53 | sed -e 's/^/                           /')
+
+Advanced options (experts only):
+  --source-path=PATH       path of source code [$source_path]
+  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
+  --cc=CC                  use C compiler CC [$cc]
+  --iasl=IASL              use ACPI compiler IASL [$iasl]
+  --host-cc=CC             use C compiler CC [$host_cc] for code run at
+                           build time
+  --cxx=CXX                use C++ compiler CXX [$cxx]
+  --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
+  --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
+  --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
+  --make=MAKE              use specified make [$make]
+  --install=INSTALL        use specified install [$install]
+  --python=PYTHON          use specified python [$python]
+  --smbd=SMBD              use specified smbd [$smbd]
+  --static                 enable static build [$static]
+  --mandir=PATH            install man pages in PATH
+  --datadir=PATH           install firmware in PATH$confsuffix
+  --docdir=PATH            install documentation in PATH$confsuffix
+  --bindir=PATH            install binaries in PATH
+  --libdir=PATH            install libraries in PATH
+  --sysconfdir=PATH        install config in PATH$confsuffix
+  --localstatedir=PATH     install local state in PATH (set at runtime on win32)
+  --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
+  --enable-debug           enable common debug build options
+  --disable-strip          disable stripping binaries
+  --disable-werror         disable compilation abort on warning
+  --disable-stack-protector disable compiler-provided stack protection
+  --audio-drv-list=LIST    set audio drivers list:
+                           Available drivers: $audio_possible_drivers
+  --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
+  --block-drv-rw-whitelist=L
+                           set block driver read-write whitelist
+                           (affects only QEMU, not qemu-img)
+  --block-drv-ro-whitelist=L
+                           set block driver read-only whitelist
+                           (affects only QEMU, not qemu-img)
+  --enable-trace-backends=B Set trace backend
+                           Available backends: $($python $source_path/scripts/tracetool.py --list-backends)
+  --with-trace-file=NAME   Full PATH,NAME of file to store traces
+                           Default:trace-<pid>
+  --disable-slirp          disable SLIRP userspace network connectivity
+  --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
+  --oss-lib                path to OSS library
+  --cpu=CPU                Build for host CPU [$cpu]
+  --with-coroutine=BACKEND coroutine backend. Supported options:
+                           gthread, ucontext, sigaltstack, windows
+  --enable-gcov            enable test coverage analysis with gcov
+  --gcov=GCOV              use specified gcov [$gcov_tool]
+  --disable-blobs          disable installing provided firmware blobs
+  --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
+  --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
+
+Optional features, enabled with --enable-FEATURE and
+disabled with --disable-FEATURE, default is enabled if available:
+
+  system          all system emulation targets
+  user            supported user emulation targets
+  linux-user      all linux usermode emulation targets
+  bsd-user        all BSD usermode emulation targets
+  docs            build documentation
+  guest-agent     build the QEMU Guest Agent
+  guest-agent-msi build guest agent Windows MSI installation package
+  pie             Position Independent Executables
+  modules         modules support
+  debug-tcg       TCG debugging (default is disabled)
+  debug-info      debugging information
+  sparse          sparse checker
+
+  gnutls          GNUTLS cryptography support
+  nettle          nettle cryptography support
+  gcrypt          libgcrypt cryptography support
+  sdl             SDL UI
+  --with-sdlabi     select preferred SDL ABI 1.2 or 2.0
+  gtk             gtk UI
+  --with-gtkabi     select preferred GTK ABI 2.0 or 3.0
+  vte             vte support for the gtk UI
+  curses          curses UI
+  vnc             VNC UI support
+  vnc-sasl        SASL encryption for VNC server
+  vnc-jpeg        JPEG lossy compression for VNC server
+  vnc-png         PNG compression for VNC server
+  cocoa           Cocoa UI (Mac OS X only)
+  virtfs          VirtFS
+  xen             xen backend driver support
+  xen-pci-passthrough
+  brlapi          BrlAPI (Braile)
+  curl            curl connectivity
+  fdt             fdt device tree
+  bluez           bluez stack connectivity
+  kvm             KVM acceleration support
+  rdma            RDMA-based migration support
+  uuid            uuid support
+  vde             support for vde network
+  netmap          support for netmap network
+  linux-aio       Linux AIO support
+  cap-ng          libcap-ng support
+  attr            attr and xattr support
+  vhost-net       vhost-net acceleration support
+  spice           spice
+  rbd             rados block device (rbd)
+  libiscsi        iscsi support
+  libnfs          nfs support
+  smartcard       smartcard support (libcacard)
+  libusb          libusb (for usb passthrough)
+  usb-redir       usb network redirection support
+  lzo             support of lzo compression library
+  snappy          support of snappy compression library
+  bzip2           support of bzip2 compression library
+                  (for reading bzip2-compressed dmg images)
+  seccomp         seccomp support
+  coroutine-pool  coroutine freelist (better performance)
+  glusterfs       GlusterFS backend
+  archipelago     Archipelago backend
+  tpm             TPM support
+  libssh2         ssh block device support
+  vhdx            support for the Microsoft VHDX image format
+  numa            libnuma support
+  tcmalloc        tcmalloc support
+  jemalloc        jemalloc support
+  llvm            enable LLVM optimization
+  --clang-flags   flags for clang compiler
+  --with-libopencsd path to libopencsd library
+
+NOTE: The object files are built at the place where configure is launched
+EOF
+exit 0
+fi
+
+if test "$llvm" != "no" ; then
+    llvm-config --version > /dev/null 2>&1 || { echo >&2 "llvm-config is not in the PATH"; exit 1; }
+    llvm_major=`llvm-config --version | cut -d'.' -f1`
+    llvm_minor=`llvm-config --version | cut -d'.' -f2`
+    if test "$llvm_major" -lt "3" ; then
+        error_exit "LLVM version too old. Version 3.5 or later is required."
+    elif test "$llvm_major" -eq "3" && test "$llvm_minor" -lt "5" ; then
+        error_exit "LLVM version too old. Version 3.5 or later is required."
+    fi
+fi
+
+# Now we have handled --enable-tcg-interpreter and know we're not just
+# printing the help message, bail out if the host CPU isn't supported.
+if test "$ARCH" = "unknown"; then
+    if test "$tcg_interpreter" = "yes" ; then
+        echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
+        ARCH=tci
+    else
+        error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
+    fi
+fi
+
+# Consult white-list to determine whether to enable werror
+# by default.  Only enable by default for git builds
+z_version=`cut -f3 -d. $source_path/VERSION`
+
+if test -z "$werror" ; then
+    if test -d "$source_path/.git" -a \
+        "$linux" = "yes" ; then
+        werror="yes"
+    else
+        werror="no"
+    fi
+fi
+
+# check that the C compiler works.
+write_c_skeleton;
+if compile_object ; then
+  : C compiler works ok
+else
+    error_exit "\"$cc\" either does not exist or does not work"
+fi
+if ! compile_prog ; then
+    error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
+fi
+
+# Check that the C++ compiler exists and works with the C compiler
+if has $cxx; then
+    cat > $TMPC <<EOF
+int c_function(void);
+int main(void) { return c_function(); }
+EOF
+
+    compile_object
+
+    cat > $TMPCXX <<EOF
+extern "C" {
+   int c_function(void);
+}
+int c_function(void) { return 42; }
+EOF
+
+    update_cxxflags
+
+    if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
+        # C++ compiler $cxx works ok with C compiler $cc
+        :
+    else
+        echo "C++ compiler $cxx does not work with C compiler $cc"
+        echo "Disabling C++ specific optional code"
+        cxx=
+    fi
+else
+    echo "No C++ compiler available; disabling C++ specific optional code"
+    cxx=
+fi
+
+gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
+gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
+gcc_flags="-Wmissing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
+gcc_flags="-Wendif-labels $gcc_flags"
+gcc_flags="-Wno-initializer-overrides $gcc_flags"
+gcc_flags="-Wno-string-plus-int $gcc_flags"
+gcc_flags="-Wno-format-truncation $gcc_flags"
+# Note that we do not add -Werror to gcc_flags here, because that would
+# enable it for all configure tests. If a configure test failed due
+# to -Werror this would just silently disable some features,
+# so it's too error prone.
+
+cc_has_warning_flag() {
+    write_c_skeleton;
+
+    # Use the positive sense of the flag when testing for -Wno-wombat
+    # support (gcc will happily accept the -Wno- form of unknown
+    # warning options).
+    optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
+    compile_prog "-Werror $optflag" ""
+}
+
+for flag in $gcc_flags; do
+    if cc_has_warning_flag $flag ; then
+        QEMU_CFLAGS="$QEMU_CFLAGS $flag"
+    fi
+done
+
+if test "$stack_protector" != "no"; then
+  cat > $TMPC << EOF
+int main(int argc, char *argv[])
+{
+    char arr[64], *p = arr, *c = argv[0];
+    while (*c) {
+        *p++ = *c++;
+    }
+    return 0;
+}
+EOF
+  gcc_flags="-fstack-protector-strong -fstack-protector-all"
+  sp_on=0
+  for flag in $gcc_flags; do
+    # We need to check both a compile and a link, since some compiler
+    # setups fail only on a .c->.o compile and some only at link time
+    if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
+       compile_prog "-Werror $flag" ""; then
+      QEMU_CFLAGS="$QEMU_CFLAGS $flag"
+      LIBTOOLFLAGS="$LIBTOOLFLAGS -Wc,$flag"
+      sp_on=1
+      break
+    fi
+  done
+  if test "$stack_protector" = yes; then
+    if test $sp_on = 0; then
+      error_exit "Stack protector not supported"
+    fi
+  fi
+fi
+
+# Workaround for http://gcc.gnu.org/PR55489.  Happens with -fPIE/-fPIC and
+# large functions that use global variables.  The bug is in all releases of
+# GCC, but it became particularly acute in 4.6.x and 4.7.x.  It is fixed in
+# 4.7.3 and 4.8.0.  We should be able to delete this at the end of 2013.
+cat > $TMPC << EOF
+#if __GNUC__ == 4 && (__GNUC_MINOR__ == 6 || (__GNUC_MINOR__ == 7 && __GNUC_PATCHLEVEL__ <= 2))
+int main(void) { return 0; }
+#else
+#error No bug in this compiler.
+#endif
+EOF
+if compile_prog "-Werror -fno-gcse" "" ; then
+  TRANSLATE_OPT_CFLAGS=-fno-gcse
+fi
+
+if test "$static" = "yes" ; then
+  if test "$modules" = "yes" ; then
+    error_exit "static and modules are mutually incompatible"
+  fi
+  if test "$pie" = "yes" ; then
+    error_exit "static and pie are mutually incompatible"
+  else
+    pie="no"
+  fi
+fi
+
+# Unconditional check for compiler __thread support
+  cat > $TMPC << EOF
+static __thread int tls_var;
+int main(void) { return tls_var; }
+EOF
+
+if ! compile_prog "-Werror" "" ; then
+    error_exit "Your compiler does not support the __thread specifier for " \
+	"Thread-Local Storage (TLS). Please upgrade to a version that does."
+fi
+
+if test "$pie" = ""; then
+  case "$cpu-$targetos" in
+    i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
+      ;;
+    *)
+      pie="no"
+      ;;
+  esac
+fi
+
+if test "$pie" != "no" ; then
+  cat > $TMPC << EOF
+
+#ifdef __linux__
+#  define THREAD __thread
+#else
+#  define THREAD
+#endif
+
+static THREAD int tls_var;
+
+int main(void) { return tls_var; }
+
+EOF
+  if compile_prog "-fPIE -DPIE" "-pie"; then
+    QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
+    LDFLAGS="-pie $LDFLAGS"
+    pie="yes"
+    if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
+      LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
+    fi
+  else
+    if test "$pie" = "yes"; then
+      error_exit "PIE not available due to missing toolchain support"
+    else
+      echo "Disabling PIE due to missing toolchain support"
+      pie="no"
+    fi
+  fi
+
+  if compile_prog "-Werror -fno-pie" "-nopie"; then
+    CFLAGS_NOPIE="-fno-pie"
+    LDFLAGS_NOPIE="-nopie"
+  fi
+fi
+
+# check for broken gcc and libtool in RHEL5
+if test -n "$libtool" -a "$pie" != "no" ; then
+  cat > $TMPC <<EOF
+
+void *f(unsigned char *buf, int len);
+void *g(unsigned char *buf, int len);
+
+void *
+f(unsigned char *buf, int len)
+{
+    return (void*)0L;
+}
+
+void *
+g(unsigned char *buf, int len)
+{
+    return f(buf, len);
+}
+
+EOF
+  if ! libtool_prog; then
+    echo "Disabling libtool due to broken toolchain support"
+    libtool=
+  fi
+fi
+
+##########################################
+# __sync_fetch_and_and requires at least -march=i486. Many toolchains
+# use i686 as default anyway, but for those that don't, an explicit
+# specification is necessary
+
+if test "$cpu" = "i386"; then
+  cat > $TMPC << EOF
+static int sfaa(int *ptr)
+{
+  return __sync_fetch_and_and(ptr, 0);
+}
+
+int main(void)
+{
+  int val = 42;
+  val = __sync_val_compare_and_swap(&val, 0, 1);
+  sfaa(&val);
+  return val;
+}
+EOF
+  if ! compile_prog "" "" ; then
+    QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
+  fi
+fi
+
+#########################################
+# Solaris specific configure tool chain decisions
+
+if test "$solaris" = "yes" ; then
+  if has $install; then
+    :
+  else
+    error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
+        "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
+        "to get ginstall which is used by default (which lives in /opt/csw/bin)"
+  fi
+  if test "`path_of $install`" = "/usr/sbin/install" ; then
+    error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
+        "try ginstall from the GNU fileutils available from www.blastwave.org" \
+        "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
+  fi
+  if has ar; then
+    :
+  else
+    if test -f /usr/ccs/bin/ar ; then
+      error_exit "No path includes ar" \
+          "Add /usr/ccs/bin to your path and rerun configure"
+    fi
+    error_exit "No path includes ar"
+  fi
+fi
+
+if test -z "${target_list+xxx}" ; then
+    target_list="$default_target_list"
+else
+    target_list=`echo "$target_list" | sed -e 's/,/ /g'`
+fi
+
+# Check that we recognised the target name; this allows a more
+# friendly error message than if we let it fall through.
+for target in $target_list; do
+    case " $default_target_list " in
+        *" $target "*)
+            ;;
+        *)
+            error_exit "Unknown target name '$target'"
+            ;;
+    esac
+done
+
+# see if system emulation was really requested
+case " $target_list " in
+  *"-softmmu "*) softmmu=yes
+  ;;
+  *) softmmu=no
+  ;;
+esac
+
+feature_not_found() {
+  feature=$1
+  remedy=$2
+
+  error_exit "User requested feature $feature" \
+      "configure was not able to find it." \
+      "$remedy"
+}
+
+# ---
+# big/little endian test
+cat > $TMPC << EOF
+short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
+short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
+extern int foo(short *, short *);
+int main(int argc, char *argv[]) {
+    return foo(big_endian, little_endian);
+}
+EOF
+
+if compile_object ; then
+    if grep -q BiGeNdIaN $TMPO ; then
+        bigendian="yes"
+    elif grep -q LiTtLeEnDiAn $TMPO ; then
+        bigendian="no"
+    else
+        echo big/little test failed
+    fi
+else
+    echo big/little test failed
+fi
+
+##########################################
+# cocoa implies not SDL or GTK
+# (the cocoa UI code currently assumes it is always the active UI
+# and doesn't interact well with other UI frontend code)
+if test "$cocoa" = "yes"; then
+    if test "$sdl" = "yes"; then
+        error_exit "Cocoa and SDL UIs cannot both be enabled at once"
+    fi
+    if test "$gtk" = "yes"; then
+        error_exit "Cocoa and GTK UIs cannot both be enabled at once"
+    fi
+    gtk=no
+    sdl=no
+fi
+
+##########################################
+# L2TPV3 probe
+
+cat > $TMPC <<EOF
+#include <sys/socket.h>
+#include <linux/ip.h>
+int main(void) { return sizeof(struct mmsghdr); }
+EOF
+if compile_prog "" "" ; then
+  l2tpv3=yes
+else
+  l2tpv3=no
+fi
+
+##########################################
+# MinGW / Mingw-w64 localtime_r/gmtime_r check
+
+if test "$mingw32" = "yes"; then
+    # Some versions of MinGW / Mingw-w64 lack localtime_r
+    # and gmtime_r entirely.
+    #
+    # Some versions of Mingw-w64 define a macro for
+    # localtime_r/gmtime_r.
+    #
+    # Some versions of Mingw-w64 will define functions
+    # for localtime_r/gmtime_r, but only if you have
+    # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
+    # though, unistd.h and pthread.h both define
+    # that for you.
+    #
+    # So this #undef localtime_r and #include <unistd.h>
+    # are not in fact redundant.
+cat > $TMPC << EOF
+#include <unistd.h>
+#include <time.h>
+#undef localtime_r
+int main(void) { localtime_r(NULL, NULL); return 0; }
+EOF
+    if compile_prog "" "" ; then
+        localtime_r="yes"
+    else
+        localtime_r="no"
+    fi
+fi
+
+##########################################
+# pkg-config probe
+
+if ! has "$pkg_config_exe"; then
+  error_exit "pkg-config binary '$pkg_config_exe' not found"
+fi
+
+##########################################
+# NPTL probe
+
+if test "$linux_user" = "yes"; then
+  cat > $TMPC <<EOF
+#include <sched.h>
+#include <linux/futex.h>
+int main(void) {
+#if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
+#error bork
+#endif
+  return 0;
+}
+EOF
+  if ! compile_object ; then
+    feature_not_found "nptl" "Install glibc and linux kernel headers."
+  fi
+fi
+
+##########################################
+# zlib check
+
+if test "$zlib" != "no" ; then
+    cat > $TMPC << EOF
+#include <zlib.h>
+int main(void) { zlibVersion(); return 0; }
+EOF
+    if compile_prog "" "-lz" ; then
+        :
+    else
+        error_exit "zlib check failed" \
+            "Make sure to have the zlib libs and headers installed."
+    fi
+fi
+LIBS="$LIBS -lz"
+
+##########################################
+# lzo check
+
+if test "$lzo" != "no" ; then
+    cat > $TMPC << EOF
+#include <lzo/lzo1x.h>
+int main(void) { lzo_version(); return 0; }
+EOF
+    if compile_prog "" "-llzo2" ; then
+        libs_softmmu="$libs_softmmu -llzo2"
+        lzo="yes"
+    else
+        if test "$lzo" = "yes"; then
+            feature_not_found "liblzo2" "Install liblzo2 devel"
+        fi
+        lzo="no"
+    fi
+fi
+
+##########################################
+# snappy check
+
+if test "$snappy" != "no" ; then
+    cat > $TMPC << EOF
+#include <snappy-c.h>
+int main(void) { snappy_max_compressed_length(4096); return 0; }
+EOF
+    if compile_prog "" "-lsnappy" ; then
+        libs_softmmu="$libs_softmmu -lsnappy"
+        snappy="yes"
+    else
+        if test "$snappy" = "yes"; then
+            feature_not_found "libsnappy" "Install libsnappy devel"
+        fi
+        snappy="no"
+    fi
+fi
+
+##########################################
+# bzip2 check
+
+if test "$bzip2" != "no" ; then
+    cat > $TMPC << EOF
+#include <bzlib.h>
+int main(void) { BZ2_bzlibVersion(); return 0; }
+EOF
+    if compile_prog "" "-lbz2" ; then
+        bzip2="yes"
+    else
+        if test "$bzip2" = "yes"; then
+            feature_not_found "libbzip2" "Install libbzip2 devel"
+        fi
+        bzip2="no"
+    fi
+fi
+
+##########################################
+# libseccomp check
+
+if test "$seccomp" != "no" ; then
+    case "$cpu" in
+    i386|x86_64)
+        libseccomp_minver="2.1.0"
+        ;;
+    arm|aarch64)
+        libseccomp_minver="2.2.3"
+        ;;
+    *)
+        libseccomp_minver=""
+        ;;
+    esac
+
+    if test "$libseccomp_minver" != "" &&
+       $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
+        libs_softmmu="$libs_softmmu `$pkg_config --libs libseccomp`"
+        QEMU_CFLAGS="$QEMU_CFLAGS `$pkg_config --cflags libseccomp`"
+        seccomp="yes"
+    else
+        if test "$seccomp" = "yes" ; then
+            if test "$libseccomp_minver" != "" ; then
+                feature_not_found "libseccomp" \
+                    "Install libseccomp devel >= $libseccomp_minver"
+            else
+                feature_not_found "libseccomp" \
+                    "libseccomp is not supported for host cpu $cpu"
+            fi
+        fi
+        seccomp="no"
+    fi
+fi
+##########################################
+# xen probe
+
+if test "$xen" != "no" ; then
+  xen_libs="-lxenstore -lxenctrl -lxenguest"
+
+  # First we test whether Xen headers and libraries are available.
+  # If no, we are done and there is no Xen support.
+  # If yes, more tests are run to detect the Xen version.
+
+  # Xen (any)
+  cat > $TMPC <<EOF
+#include <xenctrl.h>
+int main(void) {
+  return 0;
+}
+EOF
+  if ! compile_prog "" "$xen_libs" ; then
+    # Xen not found
+    if test "$xen" = "yes" ; then
+      feature_not_found "xen" "Install xen devel"
+    fi
+    xen=no
+
+  # Xen unstable
+  elif
+      cat > $TMPC <<EOF &&
+#include <xenctrl.h>
+#include <stdint.h>
+int main(void) {
+  xc_interface *xc = NULL;
+  xen_domain_handle_t handle;
+  xc_domain_create(xc, 0, handle, 0, NULL, NULL);
+  return 0;
+}
+EOF
+      compile_prog "" "$xen_libs"
+    then
+    xen_ctrl_version=470
+    xen=yes
+
+  # Xen 4.6
+  elif
+      cat > $TMPC <<EOF &&
+#include <xenctrl.h>
+#include <xenstore.h>
+#include <stdint.h>
+#include <xen/hvm/hvm_info_table.h>
+#if !defined(HVM_MAX_VCPUS)
+# error HVM_MAX_VCPUS not defined
+#endif
+int main(void) {
+  xc_interface *xc;
+  xs_daemon_open();
+  xc = xc_interface_open(0, 0, 0);
+  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
+  xc_gnttab_open(NULL, 0);
+  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
+  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
+  xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
+  xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
+  return 0;
+}
+EOF
+      compile_prog "" "$xen_libs"
+    then
+    xen_ctrl_version=460
+    xen=yes
+
+  # Xen 4.5
+  elif
+      cat > $TMPC <<EOF &&
+#include <xenctrl.h>
+#include <xenstore.h>
+#include <stdint.h>
+#include <xen/hvm/hvm_info_table.h>
+#if !defined(HVM_MAX_VCPUS)
+# error HVM_MAX_VCPUS not defined
+#endif
+int main(void) {
+  xc_interface *xc;
+  xs_daemon_open();
+  xc = xc_interface_open(0, 0, 0);
+  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
+  xc_gnttab_open(NULL, 0);
+  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
+  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
+  xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
+  return 0;
+}
+EOF
+      compile_prog "" "$xen_libs"
+    then
+    xen_ctrl_version=450
+    xen=yes
+
+  elif
+      cat > $TMPC <<EOF &&
+#include <xenctrl.h>
+#include <xenstore.h>
+#include <stdint.h>
+#include <xen/hvm/hvm_info_table.h>
+#if !defined(HVM_MAX_VCPUS)
+# error HVM_MAX_VCPUS not defined
+#endif
+int main(void) {
+  xc_interface *xc;
+  xs_daemon_open();
+  xc = xc_interface_open(0, 0, 0);
+  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
+  xc_gnttab_open(NULL, 0);
+  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
+  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
+  return 0;
+}
+EOF
+      compile_prog "" "$xen_libs"
+    then
+    xen_ctrl_version=420
+    xen=yes
+
+  elif
+      cat > $TMPC <<EOF &&
+#include <xenctrl.h>
+#include <xs.h>
+#include <stdint.h>
+#include <xen/hvm/hvm_info_table.h>
+#if !defined(HVM_MAX_VCPUS)
+# error HVM_MAX_VCPUS not defined
+#endif
+int main(void) {
+  xs_daemon_open();
+  xc_interface_open(0, 0, 0);
+  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
+  xc_gnttab_open(NULL, 0);
+  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
+  return 0;
+}
+EOF
+      compile_prog "" "$xen_libs"
+    then
+    xen_ctrl_version=410
+    xen=yes
+
+  # Xen 4.0.0
+  elif
+      cat > $TMPC <<EOF &&
+#include <xenctrl.h>
+#include <xs.h>
+#include <stdint.h>
+#include <xen/hvm/hvm_info_table.h>
+#if !defined(HVM_MAX_VCPUS)
+# error HVM_MAX_VCPUS not defined
+#endif
+int main(void) {
+  struct xen_add_to_physmap xatp = {
+    .domid = 0, .space = XENMAPSPACE_gmfn, .idx = 0, .gpfn = 0,
+  };
+  xs_daemon_open();
+  xc_interface_open();
+  xc_gnttab_open();
+  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
+  xc_memory_op(0, XENMEM_add_to_physmap, &xatp);
+  return 0;
+}
+EOF
+      compile_prog "" "$xen_libs"
+    then
+    xen_ctrl_version=400
+    xen=yes
+
+  # Xen 3.4.0
+  elif
+      cat > $TMPC <<EOF &&
+#include <xenctrl.h>
+#include <xs.h>
+int main(void) {
+  struct xen_add_to_physmap xatp = {
+    .domid = 0, .space = XENMAPSPACE_gmfn, .idx = 0, .gpfn = 0,
+  };
+  xs_daemon_open();
+  xc_interface_open();
+  xc_gnttab_open();
+  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
+  xc_memory_op(0, XENMEM_add_to_physmap, &xatp);
+  return 0;
+}
+EOF
+      compile_prog "" "$xen_libs"
+    then
+    xen_ctrl_version=340
+    xen=yes
+
+  # Xen 3.3.0
+  elif
+      cat > $TMPC <<EOF &&
+#include <xenctrl.h>
+#include <xs.h>
+int main(void) {
+  xs_daemon_open();
+  xc_interface_open();
+  xc_gnttab_open();
+  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
+  return 0;
+}
+EOF
+      compile_prog "" "$xen_libs"
+    then
+    xen_ctrl_version=330
+    xen=yes
+
+  # Xen version unsupported
+  else
+    if test "$xen" = "yes" ; then
+      feature_not_found "xen (unsupported version)" "Install supported xen (e.g. 4.0, 3.4, 3.3)"
+    fi
+    xen=no
+  fi
+
+  if test "$xen" = yes; then
+    libs_softmmu="$xen_libs $libs_softmmu"
+  fi
+fi
+
+if test "$xen_pci_passthrough" != "no"; then
+  if test "$xen" = "yes" && test "$linux" = "yes" &&
+    test "$xen_ctrl_version" -ge 340; then
+    xen_pci_passthrough=yes
+  else
+    if test "$xen_pci_passthrough" = "yes"; then
+      if test "$xen_ctrl_version" -lt 340; then
+        error_exit "User requested feature Xen PCI Passthrough" \
+            "This feature does not work with Xen 3.3"
+      fi
+      error_exit "User requested feature Xen PCI Passthrough" \
+          " but this feature requires /sys from Linux"
+    fi
+    xen_pci_passthrough=no
+  fi
+fi
+
+##########################################
+# libtool probe
+
+if ! has $libtool; then
+    libtool=
+fi
+
+# MacOSX ships with a libtool which isn't the GNU one; weed this
+# out by checking whether libtool supports the --version switch
+if test -n "$libtool"; then
+  if ! "$libtool" --version >/dev/null 2>&1; then
+    libtool=
+  fi
+fi
+
+##########################################
+# Sparse probe
+if test "$sparse" != "no" ; then
+  if has cgcc; then
+    sparse=yes
+  else
+    if test "$sparse" = "yes" ; then
+      feature_not_found "sparse" "Install sparse binary"
+    fi
+    sparse=no
+  fi
+fi
+
+##########################################
+# X11 probe
+x11_cflags=
+x11_libs=-lX11
+if $pkg_config --exists "x11"; then
+    x11_cflags=`$pkg_config --cflags x11`
+    x11_libs=`$pkg_config --libs x11`
+fi
+
+##########################################
+# GTK probe
+
+if test "$gtkabi" = ""; then
+    # The GTK ABI was not specified explicitly, so try whether 2.0 is available.
+    # Use 3.0 as a fallback if that is available.
+    if $pkg_config --exists "gtk+-2.0 >= 2.18.0"; then
+        gtkabi=2.0
+    elif $pkg_config --exists "gtk+-3.0 >= 3.0.0"; then
+        gtkabi=3.0
+    else
+        gtkabi=2.0
+    fi
+fi
+
+if test "$gtk" != "no"; then
+    gtkpackage="gtk+-$gtkabi"
+    gtkx11package="gtk+-x11-$gtkabi"
+    if test "$gtkabi" = "3.0" ; then
+      gtkversion="3.0.0"
+    else
+      gtkversion="2.18.0"
+    fi
+    if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
+        gtk_cflags=`$pkg_config --cflags $gtkpackage`
+        gtk_libs=`$pkg_config --libs $gtkpackage`
+        if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
+            gtk_cflags="$gtk_cflags $x11_cflags"
+            gtk_libs="$gtk_libs $x11_libs"
+        fi
+        libs_softmmu="$gtk_libs $libs_softmmu"
+        gtk="yes"
+    elif test "$gtk" = "yes"; then
+        feature_not_found "gtk" "Install gtk2 or gtk3 devel"
+    else
+        gtk="no"
+    fi
+fi
+
+
+##########################################
+# GNUTLS probe
+
+gnutls_works() {
+    # Unfortunately some distros have bad pkg-config information for gnutls
+    # such that it claims to exist but you get a compiler error if you try
+    # to use the options returned by --libs. Specifically, Ubuntu for --static
+    # builds doesn't work:
+    # https://bugs.launchpad.net/ubuntu/+source/gnutls26/+bug/1478035
+    #
+    # So sanity check the cflags/libs before assuming gnutls can be used.
+    if ! $pkg_config --exists "gnutls"; then
+        return 1
+    fi
+
+    write_c_skeleton
+    compile_prog "$($pkg_config --cflags gnutls)" "$($pkg_config --libs gnutls)"
+}
+
+gnutls_gcrypt=no
+gnutls_nettle=no
+if test "$gnutls" != "no"; then
+    if gnutls_works; then
+        gnutls_cflags=`$pkg_config --cflags gnutls`
+        gnutls_libs=`$pkg_config --libs gnutls`
+        libs_softmmu="$gnutls_libs $libs_softmmu"
+        libs_tools="$gnutls_libs $libs_tools"
+	QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
+        gnutls="yes"
+
+	# gnutls_hash_init requires >= 2.9.10
+	if $pkg_config --exists "gnutls >= 2.9.10"; then
+            gnutls_hash="yes"
+	else
+	    gnutls_hash="no"
+	fi
+
+	if $pkg_config --exists 'gnutls >= 3.0'; then
+	    gnutls_gcrypt=no
+	    gnutls_nettle=yes
+	elif $pkg_config --exists 'gnutls >= 2.12'; then
+	    case `$pkg_config --libs --static gnutls` in
+		*gcrypt*)
+		    gnutls_gcrypt=yes
+		    gnutls_nettle=no
+		    ;;
+		*nettle*)
+		    gnutls_gcrypt=no
+		    gnutls_nettle=yes
+		    ;;
+		*)
+		    gnutls_gcrypt=yes
+		    gnutls_nettle=no
+		    ;;
+	    esac
+	else
+	    gnutls_gcrypt=yes
+	    gnutls_nettle=no
+	fi
+    elif test "$gnutls" = "yes"; then
+	feature_not_found "gnutls" "Install gnutls devel"
+    else
+        gnutls="no"
+        gnutls_hash="no"
+    fi
+else
+    gnutls_hash="no"
+fi
+
+
+# If user didn't give a --disable/enable-gcrypt flag,
+# then mark as disabled if user requested nettle
+# explicitly, or if gnutls links to nettle
+if test -z "$gcrypt"
+then
+    if test "$nettle" = "yes" || test "$gnutls_nettle" = "yes"
+    then
+        gcrypt="no"
+    fi
+fi
+
+# If user didn't give a --disable/enable-nettle flag,
+# then mark as disabled if user requested gcrypt
+# explicitly, or if gnutls links to gcrypt
+if test -z "$nettle"
+then
+    if test "$gcrypt" = "yes" || test "$gnutls_gcrypt" = "yes"
+    then
+        nettle="no"
+    fi
+fi
+
+has_libgcrypt_config() {
+    if ! has "libgcrypt-config"
+    then
+	return 1
+    fi
+
+    if test -n "$cross_prefix"
+    then
+	host=`libgcrypt-config --host`
+	if test "$host-" != $cross_prefix
+	then
+	    return 1
+	fi
+    fi
+
+    return 0
+}
+
+if test "$gcrypt" != "no"; then
+    if has_libgcrypt_config; then
+        gcrypt_cflags=`libgcrypt-config --cflags`
+        gcrypt_libs=`libgcrypt-config --libs`
+        # Debian has remove -lgpg-error from libgcrypt-config
+        # as it "spreads unnecessary dependencies" which in
+        # turn breaks static builds...
+        if test "$static" = "yes"
+        then
+            gcrypt_libs="$gcrypt_libs -lgpg-error"
+        fi
+        libs_softmmu="$gcrypt_libs $libs_softmmu"
+        libs_tools="$gcrypt_libs $libs_tools"
+        QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
+        gcrypt="yes"
+        if test -z "$nettle"; then
+           nettle="no"
+        fi
+    else
+        if test "$gcrypt" = "yes"; then
+            feature_not_found "gcrypt" "Install gcrypt devel"
+        else
+            gcrypt="no"
+        fi
+    fi
+fi
+
+
+if test "$nettle" != "no"; then
+    if $pkg_config --exists "nettle"; then
+        nettle_cflags=`$pkg_config --cflags nettle`
+        nettle_libs=`$pkg_config --libs nettle`
+        nettle_version=`$pkg_config --modversion nettle`
+        libs_softmmu="$nettle_libs $libs_softmmu"
+        libs_tools="$nettle_libs $libs_tools"
+        QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
+        nettle="yes"
+    else
+        if test "$nettle" = "yes"; then
+            feature_not_found "nettle" "Install nettle devel"
+        else
+            nettle="no"
+        fi
+    fi
+fi
+
+if test "$gcrypt" = "yes" && test "$nettle" = "yes"
+then
+    error_exit "Only one of gcrypt & nettle can be enabled"
+fi
+
+##########################################
+# libtasn1 - only for the TLS creds/session test suite
+
+tasn1=yes
+tasn1_cflags=""
+tasn1_libs=""
+if $pkg_config --exists "libtasn1"; then
+    tasn1_cflags=`$pkg_config --cflags libtasn1`
+    tasn1_libs=`$pkg_config --libs libtasn1`
+else
+    tasn1=no
+fi
+
+
+##########################################
+# VTE probe
+
+if test "$vte" != "no"; then
+    if test "$gtkabi" = "3.0"; then
+      vtepackage="vte-2.90"
+      vteversion="0.32.0"
+    else
+      vtepackage="vte"
+      vteversion="0.24.0"
+    fi
+    if $pkg_config --exists "$vtepackage >= $vteversion"; then
+        vte_cflags=`$pkg_config --cflags $vtepackage`
+        vte_libs=`$pkg_config --libs $vtepackage`
+        libs_softmmu="$vte_libs $libs_softmmu"
+        vte="yes"
+    elif test "$vte" = "yes"; then
+        if test "$gtkabi" = "3.0"; then
+            feature_not_found "vte" "Install libvte-2.90 devel"
+        else
+            feature_not_found "vte" "Install libvte devel"
+        fi
+    else
+        vte="no"
+    fi
+fi
+
+##########################################
+# SDL probe
+
+# Look for sdl configuration program (pkg-config or sdl-config).  Try
+# sdl-config even without cross prefix, and favour pkg-config over sdl-config.
+
+if test $sdlabi = "2.0"; then
+    sdl_config=$sdl2_config
+    sdlname=sdl2
+    sdlconfigname=sdl2_config
+else
+    sdlname=sdl
+    sdlconfigname=sdl_config
+fi
+
+if test "`basename $sdl_config`" != $sdlconfigname && ! has ${sdl_config}; then
+  sdl_config=$sdlconfigname
+fi
+
+if $pkg_config $sdlname --exists; then
+  sdlconfig="$pkg_config $sdlname"
+  _sdlversion=`$sdlconfig --modversion 2>/dev/null | sed 's/[^0-9]//g'`
+elif has ${sdl_config}; then
+  sdlconfig="$sdl_config"
+  _sdlversion=`$sdlconfig --version | sed 's/[^0-9]//g'`
+else
+  if test "$sdl" = "yes" ; then
+    feature_not_found "sdl" "Install SDL devel"
+  fi
+  sdl=no
+fi
+if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
+  echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
+fi
+
+sdl_too_old=no
+if test "$sdl" != "no" ; then
+  cat > $TMPC << EOF
+#include <SDL.h>
+#undef main /* We don't want SDL to override our main() */
+int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
+EOF
+  sdl_cflags=`$sdlconfig --cflags 2> /dev/null`
+  if test "$static" = "yes" ; then
+    sdl_libs=`$sdlconfig --static-libs 2>/dev/null`
+  else
+    sdl_libs=`$sdlconfig --libs 2> /dev/null`
+  fi
+  if compile_prog "$sdl_cflags" "$sdl_libs" ; then
+    if test "$_sdlversion" -lt 121 ; then
+      sdl_too_old=yes
+    else
+      sdl=yes
+    fi
+
+    # static link with sdl ? (note: sdl.pc's --static --libs is broken)
+    if test "$sdl" = "yes" -a "$static" = "yes" ; then
+      if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
+         sdl_libs="$sdl_libs `aalib-config --static-libs 2>/dev/null`"
+         sdl_cflags="$sdl_cflags `aalib-config --cflags 2>/dev/null`"
+      fi
+      if compile_prog "$sdl_cflags" "$sdl_libs" ; then
+	:
+      else
+        sdl=no
+      fi
+    fi # static link
+  else # sdl not found
+    if test "$sdl" = "yes" ; then
+      feature_not_found "sdl" "Install SDL devel"
+    fi
+    sdl=no
+  fi # sdl compile test
+fi
+
+if test "$sdl" = "yes" ; then
+  cat > $TMPC <<EOF
+#include <SDL.h>
+#if defined(SDL_VIDEO_DRIVER_X11)
+#include <X11/XKBlib.h>
+#else
+#error No x11 support
+#endif
+int main(void) { return 0; }
+EOF
+  if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
+    sdl_cflags="$sdl_cflags $x11_cflags"
+    sdl_libs="$sdl_libs $x11_libs"
+  fi
+  libs_softmmu="$sdl_libs $libs_softmmu"
+fi
+
+##########################################
+# RDMA needs OpenFabrics libraries
+if test "$rdma" != "no" ; then
+  cat > $TMPC <<EOF
+#include <rdma/rdma_cma.h>
+int main(void) { return 0; }
+EOF
+  rdma_libs="-lrdmacm -libverbs"
+  if compile_prog "" "$rdma_libs" ; then
+    rdma="yes"
+    libs_softmmu="$libs_softmmu $rdma_libs"
+  else
+    if test "$rdma" = "yes" ; then
+        error_exit \
+            " OpenFabrics librdmacm/libibverbs not present." \
+            " Your options:" \
+            "  (1) Fast: Install infiniband packages from your distro." \
+            "  (2) Cleanest: Install libraries from www.openfabrics.org" \
+            "  (3) Also: Install softiwarp if you don't have RDMA hardware"
+    fi
+    rdma="no"
+  fi
+fi
+
+
+##########################################
+# VNC SASL detection
+if test "$vnc" = "yes" -a "$vnc_sasl" != "no" ; then
+  cat > $TMPC <<EOF
+#include <sasl/sasl.h>
+#include <stdio.h>
+int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
+EOF
+  # Assuming Cyrus-SASL installed in /usr prefix
+  vnc_sasl_cflags=""
+  vnc_sasl_libs="-lsasl2"
+  if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
+    vnc_sasl=yes
+    libs_softmmu="$vnc_sasl_libs $libs_softmmu"
+    QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
+  else
+    if test "$vnc_sasl" = "yes" ; then
+      feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
+    fi
+    vnc_sasl=no
+  fi
+fi
+
+##########################################
+# VNC JPEG detection
+if test "$vnc" = "yes" -a "$vnc_jpeg" != "no" ; then
+cat > $TMPC <<EOF
+#include <stdio.h>
+#include <jpeglib.h>
+int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
+EOF
+    vnc_jpeg_cflags=""
+    vnc_jpeg_libs="-ljpeg"
+  if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
+    vnc_jpeg=yes
+    libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
+    QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
+  else
+    if test "$vnc_jpeg" = "yes" ; then
+      feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
+    fi
+    vnc_jpeg=no
+  fi
+fi
+
+##########################################
+# VNC PNG detection
+if test "$vnc" = "yes" -a "$vnc_png" != "no" ; then
+cat > $TMPC <<EOF
+//#include <stdio.h>
+#include <png.h>
+#include <stddef.h>
+int main(void) {
+    png_structp png_ptr;
+    png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
+    return png_ptr != 0;
+}
+EOF
+  if $pkg_config libpng --exists; then
+    vnc_png_cflags=`$pkg_config libpng --cflags`
+    vnc_png_libs=`$pkg_config libpng --libs`
+  else
+    vnc_png_cflags=""
+    vnc_png_libs="-lpng"
+  fi
+  if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
+    vnc_png=yes
+    libs_softmmu="$vnc_png_libs $libs_softmmu"
+    QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
+  else
+    if test "$vnc_png" = "yes" ; then
+      feature_not_found "vnc-png" "Install libpng devel"
+    fi
+    vnc_png=no
+  fi
+fi
+
+##########################################
+# fnmatch() probe, used for ACL routines
+fnmatch="no"
+cat > $TMPC << EOF
+#include <fnmatch.h>
+int main(void)
+{
+    fnmatch("foo", "foo", 0);
+    return 0;
+}
+EOF
+if compile_prog "" "" ; then
+   fnmatch="yes"
+fi
+
+##########################################
+# uuid_generate() probe, used for vdi block driver
+# Note that on some systems (notably MacOSX) no extra library
+# need be linked to get the uuid functions.
+if test "$uuid" != "no" ; then
+  uuid_libs="-luuid"
+  cat > $TMPC << EOF
+#include <uuid/uuid.h>
+int main(void)
+{
+    uuid_t my_uuid;
+    uuid_generate(my_uuid);
+    return 0;
+}
+EOF
+  if compile_prog "" "" ; then
+    uuid="yes"
+  elif compile_prog "" "$uuid_libs" ; then
+    uuid="yes"
+    libs_softmmu="$uuid_libs $libs_softmmu"
+    libs_tools="$uuid_libs $libs_tools"
+  else
+    if test "$uuid" = "yes" ; then
+      feature_not_found "uuid" "Install libuuid devel"
+    fi
+    uuid=no
+  fi
+fi
+
+if test "$vhdx" = "yes" ; then
+    if test "$uuid" = "no" ; then
+        error_exit "uuid required for VHDX support"
+    fi
+elif test "$vhdx" != "no" ; then
+    if test "$uuid" = "yes" ; then
+        vhdx=yes
+    else
+        vhdx=no
+    fi
+fi
+
+##########################################
+# xfsctl() probe, used for raw-posix
+if test "$xfs" != "no" ; then
+  cat > $TMPC << EOF
+#include <stddef.h>  /* NULL */
+#include <xfs/xfs.h>
+int main(void)
+{
+    xfsctl(NULL, 0, 0, NULL);
+    return 0;
+}
+EOF
+  if compile_prog "" "" ; then
+    xfs="yes"
+  else
+    if test "$xfs" = "yes" ; then
+      feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
+    fi
+    xfs=no
+  fi
+fi
+
+##########################################
+# vde libraries probe
+if test "$vde" != "no" ; then
+  vde_libs="-lvdeplug"
+  cat > $TMPC << EOF
+#include <libvdeplug.h>
+int main(void)
+{
+    struct vde_open_args a = {0, 0, 0};
+    char s[] = "";
+    vde_open(s, s, &a);
+    return 0;
+}
+EOF
+  if compile_prog "" "$vde_libs" ; then
+    vde=yes
+    libs_softmmu="$vde_libs $libs_softmmu"
+    libs_tools="$vde_libs $libs_tools"
+  else
+    if test "$vde" = "yes" ; then
+      feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
+    fi
+    vde=no
+  fi
+fi
+
+##########################################
+# netmap support probe
+# Apart from looking for netmap headers, we make sure that the host API version
+# supports the netmap backend (>=11). The upper bound (15) is meant to simulate
+# a minor/major version number. Minor new features will be marked with values up
+# to 15, and if something happens that requires a change to the backend we will
+# move above 15, submit the backend fixes and modify this two bounds.
+if test "$netmap" != "no" ; then
+  cat > $TMPC << EOF
+#include <inttypes.h>
+#include <net/if.h>
+#include <net/netmap.h>
+#include <net/netmap_user.h>
+#if (NETMAP_API < 11) || (NETMAP_API > 15)
+#error
+#endif
+int main(void) { return 0; }
+EOF
+  if compile_prog "" "" ; then
+    netmap=yes
+  else
+    if test "$netmap" = "yes" ; then
+      feature_not_found "netmap"
+    fi
+    netmap=no
+  fi
+fi
+
+##########################################
+# libcap-ng library probe
+if test "$cap_ng" != "no" ; then
+  cap_libs="-lcap-ng"
+  cat > $TMPC << EOF
+#include <cap-ng.h>
+int main(void)
+{
+    capng_capability_to_name(CAPNG_EFFECTIVE);
+    return 0;
+}
+EOF
+  if compile_prog "" "$cap_libs" ; then
+    cap_ng=yes
+    libs_tools="$cap_libs $libs_tools"
+  else
+    if test "$cap_ng" = "yes" ; then
+      feature_not_found "cap_ng" "Install libcap-ng devel"
+    fi
+    cap_ng=no
+  fi
+fi
+
+##########################################
+# Sound support libraries probe
+
+audio_drv_probe()
+{
+    drv=$1
+    hdr=$2
+    lib=$3
+    exp=$4
+    cfl=$5
+        cat > $TMPC << EOF
+#include <$hdr>
+int main(void) { $exp }
+EOF
+    if compile_prog "$cfl" "$lib" ; then
+        :
+    else
+        error_exit "$drv check failed" \
+            "Make sure to have the $drv libs and headers installed."
+    fi
+}
+
+audio_drv_list=`echo "$audio_drv_list" | sed -e 's/,/ /g'`
+for drv in $audio_drv_list; do
+    case $drv in
+    alsa)
+    audio_drv_probe $drv alsa/asoundlib.h -lasound \
+        "return snd_pcm_close((snd_pcm_t *)0);"
+    libs_softmmu="-lasound $libs_softmmu"
+    ;;
+
+    pa)
+    audio_drv_probe $drv pulse/mainloop.h "-lpulse" \
+        "pa_mainloop *m = 0; pa_mainloop_free (m); return 0;"
+    libs_softmmu="-lpulse $libs_softmmu"
+    audio_pt_int="yes"
+    ;;
+
+    coreaudio)
+      libs_softmmu="-framework CoreAudio $libs_softmmu"
+    ;;
+
+    dsound)
+      libs_softmmu="-lole32 -ldxguid $libs_softmmu"
+      audio_win_int="yes"
+    ;;
+
+    oss)
+      libs_softmmu="$oss_lib $libs_softmmu"
+    ;;
+
+    sdl|wav)
+    # XXX: Probes for CoreAudio, DirectSound, SDL(?)
+    ;;
+
+    *)
+    echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
+        error_exit "Unknown driver '$drv' selected" \
+            "Possible drivers are: $audio_possible_drivers"
+    }
+    ;;
+    esac
+done
+
+##########################################
+# BrlAPI probe
+
+if test "$brlapi" != "no" ; then
+  brlapi_libs="-lbrlapi"
+  cat > $TMPC << EOF
+#include <brlapi.h>
+#include <stddef.h>
+int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
+EOF
+  if compile_prog "" "$brlapi_libs" ; then
+    brlapi=yes
+    libs_softmmu="$brlapi_libs $libs_softmmu"
+  else
+    if test "$brlapi" = "yes" ; then
+      feature_not_found "brlapi" "Install brlapi devel"
+    fi
+    brlapi=no
+  fi
+fi
+
+##########################################
+# curses probe
+if test "$curses" != "no" ; then
+  if test "$mingw32" = "yes" ; then
+    curses_list="-lpdcurses"
+  else
+    curses_list="$($pkg_config --libs ncurses 2>/dev/null):-lncurses:-lcurses"
+  fi
+  curses_found=no
+  cat > $TMPC << EOF
+#include <curses.h>
+int main(void) {
+  const char *s = curses_version();
+  resize_term(0, 0);
+  return s != 0;
+}
+EOF
+  IFS=:
+  for curses_lib in $curses_list; do
+    unset IFS
+    if compile_prog "" "$curses_lib" ; then
+      curses_found=yes
+      libs_softmmu="$curses_lib $libs_softmmu"
+      break
+    fi
+  done
+  unset IFS
+  if test "$curses_found" = "yes" ; then
+    curses=yes
+  else
+    if test "$curses" = "yes" ; then
+      feature_not_found "curses" "Install ncurses devel"
+    fi
+    curses=no
+  fi
+fi
+
+##########################################
+# curl probe
+if test "$curl" != "no" ; then
+  if $pkg_config libcurl --exists; then
+    curlconfig="$pkg_config libcurl"
+  else
+    curlconfig=curl-config
+  fi
+  cat > $TMPC << EOF
+#include <curl/curl.h>
+int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
+EOF
+  curl_cflags=`$curlconfig --cflags 2>/dev/null`
+  curl_libs=`$curlconfig --libs 2>/dev/null`
+  if compile_prog "$curl_cflags" "$curl_libs" ; then
+    curl=yes
+  else
+    if test "$curl" = "yes" ; then
+      feature_not_found "curl" "Install libcurl devel"
+    fi
+    curl=no
+  fi
+fi # test "$curl"
+
+##########################################
+# bluez support probe
+if test "$bluez" != "no" ; then
+  cat > $TMPC << EOF
+#include <bluetooth/bluetooth.h>
+int main(void) { return bt_error(0); }
+EOF
+  bluez_cflags=`$pkg_config --cflags bluez 2> /dev/null`
+  bluez_libs=`$pkg_config --libs bluez 2> /dev/null`
+  if compile_prog "$bluez_cflags" "$bluez_libs" ; then
+    bluez=yes
+    libs_softmmu="$bluez_libs $libs_softmmu"
+  else
+    if test "$bluez" = "yes" ; then
+      feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
+    fi
+    bluez="no"
+  fi
+fi
+
+##########################################
+# glib support probe
+
+glib_req_ver=2.22
+glib_modules=gthread-2.0
+if test "$modules" = yes; then
+    glib_modules="$glib_modules gmodule-2.0"
+fi
+
+for i in $glib_modules; do
+    if $pkg_config --atleast-version=$glib_req_ver $i; then
+        glib_cflags=`$pkg_config --cflags $i`
+        glib_libs=`$pkg_config --libs $i`
+        CFLAGS="$glib_cflags $CFLAGS"
+        LIBS="$glib_libs $LIBS"
+        libs_qga="$glib_libs $libs_qga"
+    else
+        error_exit "glib-$glib_req_ver $i is required to compile QEMU"
+    fi
+done
+
+# g_test_trap_subprocess added in 2.38. Used by some tests.
+glib_subprocess=yes
+if ! $pkg_config --atleast-version=2.38 glib-2.0; then
+    glib_subprocess=no
+fi
+
+# Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
+cat > $TMPC << EOF
+#include <glib.h>
+int main(void) { return 0; }
+EOF
+if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
+    if cc_has_warning_flag "-Wno-unknown-attributes"; then
+        glib_cflags="-Wno-unknown-attributes $glib_cflags"
+        CFLAGS="-Wno-unknown-attributes $CFLAGS"
+    fi
+fi
+
+##########################################
+# SHA command probe for modules
+if test "$modules" = yes; then
+    shacmd_probe="sha1sum sha1 shasum"
+    for c in $shacmd_probe; do
+        if has $c; then
+            shacmd="$c"
+            break
+        fi
+    done
+    if test "$shacmd" = ""; then
+        error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
+    fi
+fi
+
+##########################################
+# pixman support probe
+
+if test "$pixman" = ""; then
+  if test "$want_tools" = "no" -a "$softmmu" = "no"; then
+    pixman="none"
+  elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
+    pixman="system"
+  else
+    pixman="internal"
+  fi
+fi
+if test "$pixman" = "none"; then
+  if test "$want_tools" != "no" -o "$softmmu" != "no"; then
+    error_exit "pixman disabled but system emulation or tools build" \
+        "enabled.  You can turn off pixman only if you also" \
+        "disable all system emulation targets and the tools" \
+        "build with '--disable-tools --disable-system'."
+  fi
+  pixman_cflags=
+  pixman_libs=
+elif test "$pixman" = "system"; then
+  # pixman version has been checked above
+  pixman_cflags=`$pkg_config --cflags pixman-1`
+  pixman_libs=`$pkg_config --libs pixman-1`
+else
+  if test ! -d ${source_path}/pixman/pixman; then
+    error_exit "pixman >= 0.21.8 not present. Your options:" \
+        "  (1) Preferred: Install the pixman devel package (any recent" \
+        "      distro should have packages as Xorg needs pixman too)." \
+        "  (2) Fetch the pixman submodule, using:" \
+        "      git submodule update --init pixman"
+  fi
+  mkdir -p pixman/pixman
+  pixman_cflags="-I\$(SRC_PATH)/pixman/pixman -I\$(BUILD_DIR)/pixman/pixman"
+  pixman_libs="-L\$(BUILD_DIR)/pixman/pixman/.libs -lpixman-1"
+fi
+
+##########################################
+# libcap probe
+
+if test "$cap" != "no" ; then
+  cat > $TMPC <<EOF
+#include <stdio.h>
+#include <sys/capability.h>
+int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
+EOF
+  if compile_prog "" "-lcap" ; then
+    cap=yes
+  else
+    cap=no
+  fi
+fi
+
+##########################################
+# pthread probe
+PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
+
+pthread=no
+cat > $TMPC << EOF
+#include <pthread.h>
+static void *f(void *p) { return NULL; }
+int main(void) {
+  pthread_t thread;
+  pthread_create(&thread, 0, f, 0);
+  return 0;
+}
+EOF
+if compile_prog "" "" ; then
+  pthread=yes
+else
+  for pthread_lib in $PTHREADLIBS_LIST; do
+    if compile_prog "" "$pthread_lib" ; then
+      pthread=yes
+      found=no
+      for lib_entry in $LIBS; do
+        if test "$lib_entry" = "$pthread_lib"; then
+          found=yes
+          break
+        fi
+      done
+      if test "$found" = "no"; then
+        LIBS="$pthread_lib $LIBS"
+      fi
+      break
+    fi
+  done
+fi
+
+if test "$mingw32" != yes -a "$pthread" = no; then
+  error_exit "pthread check failed" \
+      "Make sure to have the pthread libs and headers installed."
+fi
+
+# check for pthread_setname_np
+pthread_setname_np=no
+cat > $TMPC << EOF
+#include <pthread.h>
+
+static void *f(void *p) { return NULL; }
+int main(void)
+{
+    pthread_t thread;
+    pthread_create(&thread, 0, f, 0);
+    pthread_setname_np(thread, "QEMU");
+    return 0;
+}
+EOF
+if compile_prog "" "$pthread_lib" ; then
+  pthread_setname_np=yes
+fi
+
+##########################################
+# rbd probe
+if test "$rbd" != "no" ; then
+  cat > $TMPC <<EOF
+#include <stdio.h>
+#include <rbd/librbd.h>
+int main(void) {
+    rados_t cluster;
+    rados_create(&cluster, NULL);
+    return 0;
+}
+EOF
+  rbd_libs="-lrbd -lrados"
+  if compile_prog "" "$rbd_libs" ; then
+    rbd=yes
+  else
+    if test "$rbd" = "yes" ; then
+      feature_not_found "rados block device" "Install librbd/ceph devel"
+    fi
+    rbd=no
+  fi
+fi
+
+##########################################
+# libssh2 probe
+min_libssh2_version=1.2.8
+if test "$libssh2" != "no" ; then
+  if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
+    libssh2_cflags=`$pkg_config libssh2 --cflags`
+    libssh2_libs=`$pkg_config libssh2 --libs`
+    libssh2=yes
+  else
+    if test "$libssh2" = "yes" ; then
+      error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
+    fi
+    libssh2=no
+  fi
+fi
+
+##########################################
+# libssh2_sftp_fsync probe
+
+if test "$libssh2" = "yes"; then
+  cat > $TMPC <<EOF
+#include <stdio.h>
+#include <libssh2.h>
+#include <libssh2_sftp.h>
+int main(void) {
+    LIBSSH2_SESSION *session;
+    LIBSSH2_SFTP *sftp;
+    LIBSSH2_SFTP_HANDLE *sftp_handle;
+    session = libssh2_session_init ();
+    sftp = libssh2_sftp_init (session);
+    sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
+    libssh2_sftp_fsync (sftp_handle);
+    return 0;
+}
+EOF
+  # libssh2_cflags/libssh2_libs defined in previous test.
+  if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
+    QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
+  fi
+fi
+
+##########################################
+# linux-aio probe
+
+if test "$linux_aio" != "no" ; then
+  cat > $TMPC <<EOF
+#include <libaio.h>
+#include <sys/eventfd.h>
+#include <stddef.h>
+int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
+EOF
+  if compile_prog "" "-laio" ; then
+    linux_aio=yes
+  else
+    if test "$linux_aio" = "yes" ; then
+      feature_not_found "linux AIO" "Install libaio devel"
+    fi
+    linux_aio=no
+  fi
+fi
+
+##########################################
+# TPM passthrough is only on x86 Linux
+
+if test "$targetos" = Linux && test "$cpu" = i386 -o "$cpu" = x86_64; then
+  tpm_passthrough=$tpm
+else
+  tpm_passthrough=no
+fi
+
+##########################################
+# attr probe
+
+if test "$attr" != "no" ; then
+  cat > $TMPC <<EOF
+#include <stdio.h>
+#include <sys/types.h>
+#ifdef CONFIG_LIBATTR
+#include <attr/xattr.h>
+#else
+#include <sys/xattr.h>
+#endif
+int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
+EOF
+  if compile_prog "" "" ; then
+    attr=yes
+  # Older distros have <attr/xattr.h>, and need -lattr:
+  elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
+    attr=yes
+    LIBS="-lattr $LIBS"
+    libattr=yes
+  else
+    if test "$attr" = "yes" ; then
+      feature_not_found "ATTR" "Install libc6 or libattr devel"
+    fi
+    attr=no
+  fi
+fi
+
+##########################################
+# iovec probe
+cat > $TMPC <<EOF
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <unistd.h>
+int main(void) { return sizeof(struct iovec); }
+EOF
+iovec=no
+if compile_prog "" "" ; then
+  iovec=yes
+fi
+
+##########################################
+# preadv probe
+cat > $TMPC <<EOF
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <unistd.h>
+int main(void) { return preadv(0, 0, 0, 0); }
+EOF
+preadv=no
+if compile_prog "" "" ; then
+  preadv=yes
+fi
+
+##########################################
+# fdt probe
+# fdt support is mandatory for at least some target architectures,
+# so insist on it if we're building those system emulators.
+fdt_required=no
+for target in $target_list; do
+  case $target in
+    aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu)
+      fdt_required=yes
+    ;;
+  esac
+done
+
+if test "$fdt_required" = "yes"; then
+  if test "$fdt" = "no"; then
+    error_exit "fdt disabled but some requested targets require it." \
+      "You can turn off fdt only if you also disable all the system emulation" \
+      "targets which need it (by specifying a cut down --target-list)."
+  fi
+  fdt=yes
+fi
+
+if test "$fdt" != "no" ; then
+  fdt_libs="-lfdt"
+  # explicitly check for libfdt_env.h as it is missing in some stable installs
+  # and test for required functions to make sure we are on a version >= 1.4.0
+  cat > $TMPC << EOF
+#include <libfdt.h>
+#include <libfdt_env.h>
+int main(void) { fdt_get_property_by_offset(0, 0, 0); return 0; }
+EOF
+  if compile_prog "" "$fdt_libs" ; then
+    # system DTC is good - use it
+    fdt=yes
+  elif test -d ${source_path}/dtc/libfdt ; then
+    # have submodule DTC - use it
+    fdt=yes
+    dtc_internal="yes"
+    mkdir -p dtc
+    if [ "$pwd_is_source_path" != "y" ] ; then
+       symlink "$source_path/dtc/Makefile" "dtc/Makefile"
+       symlink "$source_path/dtc/scripts" "dtc/scripts"
+    fi
+    fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
+    fdt_libs="-L\$(BUILD_DIR)/dtc/libfdt $fdt_libs"
+  elif test "$fdt" = "yes" ; then
+    # have neither and want - prompt for system/submodule install
+    error_exit "DTC (libfdt) version >= 1.4.0 not present. Your options:" \
+        "  (1) Preferred: Install the DTC (libfdt) devel package" \
+        "  (2) Fetch the DTC submodule, using:" \
+        "      git submodule update --init dtc"
+  else
+    # don't have and don't want
+    fdt_libs=
+    fdt=no
+  fi
+fi
+
+libs_softmmu="$libs_softmmu $fdt_libs"
+
+##########################################
+# opengl probe (for sdl2, gtk, milkymist-tmu2)
+
+if test "$opengl" != "no" ; then
+  opengl_pkgs="epoxy"
+  if $pkg_config $opengl_pkgs x11; then
+    opengl_cflags="$($pkg_config --cflags $opengl_pkgs) $x11_cflags"
+    opengl_libs="$($pkg_config --libs $opengl_pkgs) $x11_libs"
+    opengl=yes
+    if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
+        gtk_gl="yes"
+    fi
+  else
+    if test "$opengl" = "yes" ; then
+      feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
+    fi
+    opengl_cflags=""
+    opengl_libs=""
+    opengl=no
+  fi
+fi
+
+
+##########################################
+# archipelago probe
+if test "$archipelago" != "no" ; then
+    cat > $TMPC <<EOF
+#include <stdio.h>
+#include <xseg/xseg.h>
+#include <xseg/protocol.h>
+int main(void) {
+    xseg_initialize();
+    return 0;
+}
+EOF
+    archipelago_libs=-lxseg
+    if compile_prog "" "$archipelago_libs"; then
+        archipelago="yes"
+        libs_tools="$archipelago_libs $libs_tools"
+        libs_softmmu="$archipelago_libs $libs_softmmu"
+
+	echo "WARNING: Please check the licenses of QEMU and libxseg carefully."
+	echo "GPLv3 versions of libxseg may not be compatible with QEMU's"
+	echo "license and therefore prevent redistribution."
+	echo
+	echo "To disable Archipelago, use --disable-archipelago"
+    else
+      if test "$archipelago" = "yes" ; then
+        feature_not_found "Archipelago backend support" "Install libxseg devel"
+      fi
+      archipelago="no"
+    fi
+fi
+
+
+##########################################
+# glusterfs probe
+if test "$glusterfs" != "no" ; then
+  if $pkg_config --atleast-version=3 glusterfs-api; then
+    glusterfs="yes"
+    glusterfs_cflags=`$pkg_config --cflags glusterfs-api`
+    glusterfs_libs=`$pkg_config --libs glusterfs-api`
+    if $pkg_config --atleast-version=5 glusterfs-api; then
+      glusterfs_discard="yes"
+    fi
+    if $pkg_config --atleast-version=6 glusterfs-api; then
+      glusterfs_zerofill="yes"
+    fi
+  else
+    if test "$glusterfs" = "yes" ; then
+      feature_not_found "GlusterFS backend support" \
+          "Install glusterfs-api devel >= 3"
+    fi
+    glusterfs="no"
+  fi
+fi
+
+# Check for inotify functions when we are building linux-user
+# emulator.  This is done because older glibc versions don't
+# have syscall stubs for these implemented.  In that case we
+# don't provide them even if kernel supports them.
+#
+inotify=no
+cat > $TMPC << EOF
+#include <sys/inotify.h>
+
+int
+main(void)
+{
+	/* try to start inotify */
+	return inotify_init();
+}
+EOF
+if compile_prog "" "" ; then
+  inotify=yes
+fi
+
+inotify1=no
+cat > $TMPC << EOF
+#include <sys/inotify.h>
+
+int
+main(void)
+{
+    /* try to start inotify */
+    return inotify_init1(0);
+}
+EOF
+if compile_prog "" "" ; then
+  inotify1=yes
+fi
+
+# check if utimensat and futimens are supported
+utimens=no
+cat > $TMPC << EOF
+#define _ATFILE_SOURCE
+#include <stddef.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+
+int main(void)
+{
+    utimensat(AT_FDCWD, "foo", NULL, 0);
+    futimens(0, NULL);
+    return 0;
+}
+EOF
+if compile_prog "" "" ; then
+  utimens=yes
+fi
+
+# check if pipe2 is there
+pipe2=no
+cat > $TMPC << EOF
+#include <unistd.h>
+#include <fcntl.h>
+
+int main(void)
+{
+    int pipefd[2];
+    return pipe2(pipefd, O_CLOEXEC);
+}
+EOF
+if compile_prog "" "" ; then
+  pipe2=yes
+fi
+
+# check if accept4 is there
+accept4=no
+cat > $TMPC << EOF
+#include <sys/socket.h>
+#include <stddef.h>
+
+int main(void)
+{
+    accept4(0, NULL, NULL, SOCK_CLOEXEC);
+    return 0;
+}
+EOF
+if compile_prog "" "" ; then
+  accept4=yes
+fi
+
+# check if tee/splice is there. vmsplice was added same time.
+splice=no
+cat > $TMPC << EOF
+#include <unistd.h>
+#include <fcntl.h>
+#include <limits.h>
+
+int main(void)
+{
+    int len, fd = 0;
+    len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
+    splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
+    return 0;
+}
+EOF
+if compile_prog "" "" ; then
+  splice=yes
+fi
+
+##########################################
+# libnuma probe
+
+if test "$numa" != "no" ; then
+  cat > $TMPC << EOF
+#include <numa.h>
+int main(void) { return numa_available(); }
+EOF
+
+  if compile_prog "" "-lnuma" ; then
+    numa=yes
+    libs_softmmu="-lnuma $libs_softmmu"
+  else
+    if test "$numa" = "yes" ; then
+      feature_not_found "numa" "install numactl devel"
+    fi
+    numa=no
+  fi
+fi
+
+if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
+    echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
+    exit 1
+fi
+
+##########################################
+# tcmalloc probe
+
+if test "$tcmalloc" = "yes" ; then
+  cat > $TMPC << EOF
+#include <stdlib.h>
+int main(void) { malloc(1); return 0; }
+EOF
+
+  if compile_prog "" "-ltcmalloc" ; then
+    LIBS="-ltcmalloc $LIBS"
+  else
+    feature_not_found "tcmalloc" "install gperftools devel"
+  fi
+fi
+
+##########################################
+# jemalloc probe
+
+if test "$jemalloc" = "yes" ; then
+  cat > $TMPC << EOF
+#include <stdlib.h>
+int main(void) { malloc(1); return 0; }
+EOF
+
+  if compile_prog "" "-ljemalloc" ; then
+    LIBS="-ljemalloc $LIBS"
+  else
+    feature_not_found "jemalloc" "install jemalloc devel"
+  fi
+fi
+
+##########################################
+# signalfd probe
+signalfd="no"
+cat > $TMPC << EOF
+#include <unistd.h>
+#include <sys/syscall.h>
+#include <signal.h>
+int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
+EOF
+
+if compile_prog "" "" ; then
+  signalfd=yes
+fi
+
+# check if eventfd is supported
+eventfd=no
+cat > $TMPC << EOF
+#include <sys/eventfd.h>
+
+int main(void)
+{
+    return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
+}
+EOF
+if compile_prog "" "" ; then
+  eventfd=yes
+fi
+
+# check if memfd is supported
+memfd=no
+cat > $TMPC << EOF
+#include <sys/memfd.h>
+
+int main(void)
+{
+    return memfd_create("foo", MFD_ALLOW_SEALING);
+}
+EOF
+if compile_prog "" "" ; then
+  memfd=yes
+fi
+
+
+
+# check for fallocate
+fallocate=no
+cat > $TMPC << EOF
+#include <fcntl.h>
+
+int main(void)
+{
+    fallocate(0, 0, 0, 0);
+    return 0;
+}
+EOF
+if compile_prog "" "" ; then
+  fallocate=yes
+fi
+
+# check for fallocate hole punching
+fallocate_punch_hole=no
+cat > $TMPC << EOF
+#include <fcntl.h>
+#include <linux/falloc.h>
+
+int main(void)
+{
+    fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
+    return 0;
+}
+EOF
+if compile_prog "" "" ; then
+  fallocate_punch_hole=yes
+fi
+
+# check that fallocate supports range zeroing inside the file
+fallocate_zero_range=no
+cat > $TMPC << EOF
+#include <fcntl.h>
+#include <linux/falloc.h>
+
+int main(void)
+{
+    fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
+    return 0;
+}
+EOF
+if compile_prog "" "" ; then
+  fallocate_zero_range=yes
+fi
+
+# check for posix_fallocate
+posix_fallocate=no
+cat > $TMPC << EOF
+#include <fcntl.h>
+
+int main(void)
+{
+    posix_fallocate(0, 0, 0);
+    return 0;
+}
+EOF
+if compile_prog "" "" ; then
+    posix_fallocate=yes
+fi
+
+# check for sync_file_range
+sync_file_range=no
+cat > $TMPC << EOF
+#include <fcntl.h>
+
+int main(void)
+{
+    sync_file_range(0, 0, 0, 0);
+    return 0;
+}
+EOF
+if compile_prog "" "" ; then
+  sync_file_range=yes
+fi
+
+# check for linux/fiemap.h and FS_IOC_FIEMAP
+fiemap=no
+cat > $TMPC << EOF
+#include <sys/ioctl.h>
+#include <linux/fs.h>
+#include <linux/fiemap.h>
+
+int main(void)
+{
+    ioctl(0, FS_IOC_FIEMAP, 0);
+    return 0;
+}
+EOF
+if compile_prog "" "" ; then
+  fiemap=yes
+fi
+
+# check for dup3
+dup3=no
+cat > $TMPC << EOF
+#include <unistd.h>
+
+int main(void)
+{
+    dup3(0, 0, 0);
+    return 0;
+}
+EOF
+if compile_prog "" "" ; then
+  dup3=yes
+fi
+
+# check for ppoll support
+ppoll=no
+cat > $TMPC << EOF
+#include <poll.h>
+
+int main(void)
+{
+    struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
+    ppoll(&pfd, 1, 0, 0);
+    return 0;
+}
+EOF
+if compile_prog "" "" ; then
+  ppoll=yes
+fi
+
+# check for prctl(PR_SET_TIMERSLACK , ... ) support
+prctl_pr_set_timerslack=no
+cat > $TMPC << EOF
+#include <sys/prctl.h>
+
+int main(void)
+{
+    prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
+    return 0;
+}
+EOF
+if compile_prog "" "" ; then
+  prctl_pr_set_timerslack=yes
+fi
+
+# check for epoll support
+epoll=no
+cat > $TMPC << EOF
+#include <sys/epoll.h>
+
+int main(void)
+{
+    epoll_create(0);
+    return 0;
+}
+EOF
+if compile_prog "" "" ; then
+  epoll=yes
+fi
+
+# epoll_create1 and epoll_pwait are later additions
+# so we must check separately for their presence
+epoll_create1=no
+cat > $TMPC << EOF
+#include <sys/epoll.h>
+
+int main(void)
+{
+    /* Note that we use epoll_create1 as a value, not as
+     * a function being called. This is necessary so that on
+     * old SPARC glibc versions where the function was present in
+     * the library but not declared in the header file we will
+     * fail the configure check. (Otherwise we will get a compiler
+     * warning but not an error, and will proceed to fail the
+     * qemu compile where we compile with -Werror.)
+     */
+    return (int)(uintptr_t)&epoll_create1;
+}
+EOF
+if compile_prog "" "" ; then
+  epoll_create1=yes
+fi
+
+epoll_pwait=no
+cat > $TMPC << EOF
+#include <sys/epoll.h>
+
+int main(void)
+{
+    epoll_pwait(0, 0, 0, 0, 0);
+    return 0;
+}
+EOF
+if compile_prog "" "" ; then
+  epoll_pwait=yes
+fi
+
+# check for sendfile support
+sendfile=no
+cat > $TMPC << EOF
+#include <sys/sendfile.h>
+
+int main(void)
+{
+    return sendfile(0, 0, 0, 0);
+}
+EOF
+if compile_prog "" "" ; then
+  sendfile=yes
+fi
+
+# check for timerfd support (glibc 2.8 and newer)
+timerfd=no
+cat > $TMPC << EOF
+#include <sys/timerfd.h>
+
+int main(void)
+{
+    return(timerfd_create(CLOCK_REALTIME, 0));
+}
+EOF
+if compile_prog "" "" ; then
+  timerfd=yes
+fi
+
+# check for setns and unshare support
+setns=no
+cat > $TMPC << EOF
+#include <sched.h>
+
+int main(void)
+{
+    int ret;
+    ret = setns(0, 0);
+    ret = unshare(0);
+    return ret;
+}
+EOF
+if compile_prog "" "" ; then
+  setns=yes
+fi
+
+# Check if tools are available to build documentation.
+if test "$docs" != "no" ; then
+  if has makeinfo && has pod2man; then
+    docs=yes
+  else
+    if test "$docs" = "yes" ; then
+      feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
+    fi
+    docs=no
+  fi
+fi
+
+# Search for bswap_32 function
+byteswap_h=no
+cat > $TMPC << EOF
+#include <byteswap.h>
+int main(void) { return bswap_32(0); }
+EOF
+if compile_prog "" "" ; then
+  byteswap_h=yes
+fi
+
+# Search for bswap32 function
+bswap_h=no
+cat > $TMPC << EOF
+#include <sys/endian.h>
+#include <sys/types.h>
+#include <machine/bswap.h>
+int main(void) { return bswap32(0); }
+EOF
+if compile_prog "" "" ; then
+  bswap_h=yes
+fi
+
+##########################################
+# Do we have libiscsi >= 1.9.0
+if test "$libiscsi" != "no" ; then
+  if $pkg_config --atleast-version=1.9.0 libiscsi; then
+    libiscsi="yes"
+    libiscsi_cflags=$($pkg_config --cflags libiscsi)
+    libiscsi_libs=$($pkg_config --libs libiscsi)
+  else
+    if test "$libiscsi" = "yes" ; then
+      feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
+    fi
+    libiscsi="no"
+  fi
+fi
+
+##########################################
+# Do we need libm
+cat > $TMPC << EOF
+#include <math.h>
+int main(int argc, char **argv) { return isnan(sin((double)argc)); }
+EOF
+if compile_prog "" "" ; then
+  :
+elif compile_prog "" "-lm" ; then
+  LIBS="-lm $LIBS"
+  libs_qga="-lm $libs_qga"
+else
+  error_exit "libm check failed"
+fi
+
+##########################################
+# Do we need librt
+# uClibc provides 2 versions of clock_gettime(), one with realtime
+# support and one without. This means that the clock_gettime() don't
+# need -lrt. We still need it for timer_create() so we check for this
+# function in addition.
+cat > $TMPC <<EOF
+#include <signal.h>
+#include <time.h>
+int main(void) {
+  timer_create(CLOCK_REALTIME, NULL, NULL);
+  return clock_gettime(CLOCK_REALTIME, NULL);
+}
+EOF
+
+if compile_prog "" "" ; then
+  :
+# we need pthread for static linking. use previous pthread test result
+elif compile_prog "" "$pthread_lib -lrt" ; then
+  LIBS="$LIBS -lrt"
+  libs_qga="$libs_qga -lrt"
+fi
+
+if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaris" != yes -a \
+        "$aix" != "yes" -a "$haiku" != "yes" ; then
+    libs_softmmu="-lutil $libs_softmmu"
+fi
+
+##########################################
+# spice probe
+if test "$spice" != "no" ; then
+  cat > $TMPC << EOF
+#include <spice.h>
+int main(void) { spice_server_new(); return 0; }
+EOF
+  spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
+  spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
+  if $pkg_config --atleast-version=0.12.0 spice-server && \
+     $pkg_config --atleast-version=0.12.3 spice-protocol && \
+     compile_prog "$spice_cflags" "$spice_libs" ; then
+    spice="yes"
+    libs_softmmu="$libs_softmmu $spice_libs"
+    QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
+    spice_protocol_version=$($pkg_config --modversion spice-protocol)
+    spice_server_version=$($pkg_config --modversion spice-server)
+  else
+    if test "$spice" = "yes" ; then
+      feature_not_found "spice" \
+          "Install spice-server(>=0.12.0) and spice-protocol(>=0.12.3) devel"
+    fi
+    spice="no"
+  fi
+fi
+
+# check for smartcard support
+smartcard_cflags=""
+if test "$smartcard" != "no"; then
+    if $pkg_config libcacard; then
+        libcacard_cflags=$($pkg_config --cflags libcacard)
+        libcacard_libs=$($pkg_config --libs libcacard)
+        QEMU_CFLAGS="$QEMU_CFLAGS $libcacard_cflags"
+        libs_softmmu="$libs_softmmu $libcacard_libs"
+        smartcard="yes"
+    else
+        if test "$smartcard" = "yes"; then
+            feature_not_found "smartcard" "Install libcacard devel"
+        fi
+        smartcard="no"
+    fi
+fi
+
+# check for libusb
+if test "$libusb" != "no" ; then
+    if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
+        libusb="yes"
+        libusb_cflags=$($pkg_config --cflags libusb-1.0)
+        libusb_libs=$($pkg_config --libs libusb-1.0)
+        QEMU_CFLAGS="$QEMU_CFLAGS $libusb_cflags"
+        libs_softmmu="$libs_softmmu $libusb_libs"
+    else
+        if test "$libusb" = "yes"; then
+            feature_not_found "libusb" "Install libusb devel >= 1.0.13"
+        fi
+        libusb="no"
+    fi
+fi
+
+# check for usbredirparser for usb network redirection support
+if test "$usb_redir" != "no" ; then
+    if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
+        usb_redir="yes"
+        usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
+        usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
+        QEMU_CFLAGS="$QEMU_CFLAGS $usb_redir_cflags"
+        libs_softmmu="$libs_softmmu $usb_redir_libs"
+    else
+        if test "$usb_redir" = "yes"; then
+            feature_not_found "usb-redir" "Install usbredir devel"
+        fi
+        usb_redir="no"
+    fi
+fi
+
+##########################################
+# check if we have VSS SDK headers for win
+
+if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$vss_win32_sdk" != "no" ; then
+  case "$vss_win32_sdk" in
+    "")   vss_win32_include="-I$source_path" ;;
+    *\ *) # The SDK is installed in "Program Files" by default, but we cannot
+          # handle path with spaces. So we symlink the headers into ".sdk/vss".
+          vss_win32_include="-I$source_path/.sdk/vss"
+	  symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
+	  ;;
+    *)    vss_win32_include="-I$vss_win32_sdk"
+  esac
+  cat > $TMPC << EOF
+#define __MIDL_user_allocate_free_DEFINED__
+#include <inc/win2003/vss.h>
+int main(void) { return VSS_CTX_BACKUP; }
+EOF
+  if compile_prog "$vss_win32_include" "" ; then
+    guest_agent_with_vss="yes"
+    QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
+    libs_qga="-lole32 -loleaut32 -lshlwapi -luuid -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
+    qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
+  else
+    if test "$vss_win32_sdk" != "" ; then
+      echo "ERROR: Please download and install Microsoft VSS SDK:"
+      echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
+      echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
+      echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
+      echo "ERROR: The headers are extracted in the directory \`inc'."
+      feature_not_found "VSS support"
+    fi
+    guest_agent_with_vss="no"
+  fi
+fi
+
+##########################################
+# lookup Windows platform SDK (if not specified)
+# The SDK is needed only to build .tlb (type library) file of guest agent
+# VSS provider from the source. It is usually unnecessary because the
+# pre-compiled .tlb file is included.
+
+if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$guest_agent_with_vss" = "yes" ; then
+  if test -z "$win_sdk"; then
+    programfiles="$PROGRAMFILES"
+    test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
+    if test -n "$programfiles"; then
+      win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
+    else
+      feature_not_found "Windows SDK"
+    fi
+  elif test "$win_sdk" = "no"; then
+    win_sdk=""
+  fi
+fi
+
+##########################################
+# check if mingw environment provides a recent ntddscsi.h
+if test "$mingw32" = "yes" -a "$guest_agent" != "no"; then
+  cat > $TMPC << EOF
+#include <windows.h>
+#include <ntddscsi.h>
+int main(void) {
+#if !defined(IOCTL_SCSI_GET_ADDRESS)
+#error Missing required ioctl definitions
+#endif
+  SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
+  return addr.Lun;
+}
+EOF
+  if compile_prog "" "" ; then
+    guest_agent_ntddscsi=yes
+    libs_qga="-lsetupapi $libs_qga"
+  fi
+fi
+
+##########################################
+# virgl renderer probe
+
+if test "$virglrenderer" != "no" ; then
+  cat > $TMPC << EOF
+#include <virglrenderer.h>
+int main(void) { virgl_renderer_poll(); return 0; }
+EOF
+  virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
+  virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
+  if $pkg_config virglrenderer >/dev/null 2>&1 && \
+     compile_prog "$virgl_cflags" "$virgl_libs" ; then
+    virglrenderer="yes"
+  else
+    if test "$virglrenderer" = "yes" ; then
+      feature_not_found "virglrenderer"
+    fi
+    virglrenderer="no"
+  fi
+fi
+
+##########################################
+# check if we have fdatasync
+
+fdatasync=no
+cat > $TMPC << EOF
+#include <unistd.h>
+int main(void) {
+#if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
+return fdatasync(0);
+#else
+#error Not supported
+#endif
+}
+EOF
+if compile_prog "" "" ; then
+    fdatasync=yes
+fi
+
+##########################################
+# check if we have madvise
+
+madvise=no
+cat > $TMPC << EOF
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <stddef.h>
+int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
+EOF
+if compile_prog "" "" ; then
+    madvise=yes
+fi
+
+##########################################
+# check if we have posix_madvise
+
+posix_madvise=no
+cat > $TMPC << EOF
+#include <sys/mman.h>
+#include <stddef.h>
+int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
+EOF
+if compile_prog "" "" ; then
+    posix_madvise=yes
+fi
+
+##########################################
+# check if we have usable SIGEV_THREAD_ID
+
+sigev_thread_id=no
+cat > $TMPC << EOF
+#include <signal.h>
+int main(void) {
+  struct sigevent ev;
+  ev.sigev_notify = SIGEV_THREAD_ID;
+  ev._sigev_un._tid = 0;
+  asm volatile("" : : "g"(&ev));
+  return 0;
+}
+EOF
+if compile_prog "" "" ; then
+    sigev_thread_id=yes
+fi
+
+##########################################
+# check if trace backend exists
+
+$python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
+if test "$?" -ne 0 ; then
+  error_exit "invalid trace backends" \
+      "Please choose supported trace backends."
+fi
+
+##########################################
+# For 'ust' backend, test if ust headers are present
+if have_backend "ust"; then
+  cat > $TMPC << EOF
+#include <lttng/tracepoint.h>
+int main(void) { return 0; }
+EOF
+  if compile_prog "" "" ; then
+    if $pkg_config lttng-ust --exists; then
+      lttng_ust_libs=`$pkg_config --libs lttng-ust`
+    else
+      lttng_ust_libs="-llttng-ust"
+    fi
+    if $pkg_config liburcu-bp --exists; then
+      urcu_bp_libs=`$pkg_config --libs liburcu-bp`
+    else
+      urcu_bp_libs="-lurcu-bp"
+    fi
+
+    LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
+    libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
+  else
+    error_exit "Trace backend 'ust' missing lttng-ust header files"
+  fi
+fi
+
+##########################################
+# For 'dtrace' backend, test if 'dtrace' command is present
+if have_backend "dtrace"; then
+  if ! has 'dtrace' ; then
+    error_exit "dtrace command is not found in PATH $PATH"
+  fi
+  trace_backend_stap="no"
+  if has 'stap' ; then
+    trace_backend_stap="yes"
+  fi
+fi
+
+##########################################
+# check and set a backend for coroutine
+
+# We prefer ucontext, but it's not always possible. The fallback
+# is sigcontext. gthread is not selectable except explicitly, because
+# it is not functional enough to run QEMU proper. (It is occasionally
+# useful for debugging purposes.)  On Windows the only valid backend
+# is the Windows-specific one.
+
+ucontext_works=no
+if test "$darwin" != "yes"; then
+  cat > $TMPC << EOF
+#include <ucontext.h>
+#ifdef __stub_makecontext
+#error Ignoring glibc stub makecontext which will always fail
+#endif
+int main(void) { makecontext(0, 0, 0); return 0; }
+EOF
+  if compile_prog "" "" ; then
+    ucontext_works=yes
+  fi
+fi
+
+if test "$coroutine" = ""; then
+  if test "$mingw32" = "yes"; then
+    coroutine=win32
+  elif test "$ucontext_works" = "yes"; then
+    coroutine=ucontext
+  else
+    coroutine=sigaltstack
+  fi
+else
+  case $coroutine in
+  windows)
+    if test "$mingw32" != "yes"; then
+      error_exit "'windows' coroutine backend only valid for Windows"
+    fi
+    # Unfortunately the user visible backend name doesn't match the
+    # coroutine-*.c filename for this case, so we have to adjust it here.
+    coroutine=win32
+    ;;
+  ucontext)
+    if test "$ucontext_works" != "yes"; then
+      feature_not_found "ucontext"
+    fi
+    ;;
+  gthread|sigaltstack)
+    if test "$mingw32" = "yes"; then
+      error_exit "only the 'windows' coroutine backend is valid for Windows"
+    fi
+    ;;
+  *)
+    error_exit "unknown coroutine backend $coroutine"
+    ;;
+  esac
+fi
+
+if test "$coroutine_pool" = ""; then
+  if test "$coroutine" = "gthread"; then
+    coroutine_pool=no
+  else
+    coroutine_pool=yes
+  fi
+fi
+if test "$coroutine" = "gthread" -a "$coroutine_pool" = "yes"; then
+  error_exit "'gthread' coroutine backend does not support pool (use --disable-coroutine-pool)"
+fi
+
+##########################################
+# check if we have open_by_handle_at
+
+open_by_handle_at=no
+cat > $TMPC << EOF
+#include <fcntl.h>
+#if !defined(AT_EMPTY_PATH)
+# error missing definition
+#else
+int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
+#endif
+EOF
+if compile_prog "" "" ; then
+    open_by_handle_at=yes
+fi
+
+########################################
+# check if we have linux/magic.h
+
+linux_magic_h=no
+cat > $TMPC << EOF
+#include <linux/magic.h>
+int main(void) {
+  return 0;
+}
+EOF
+if compile_prog "" "" ; then
+    linux_magic_h=yes
+fi
+
+########################################
+# check whether we can disable warning option with a pragma (this is needed
+# to silence warnings in the headers of some versions of external libraries).
+# This test has to be compiled with -Werror as otherwise an unknown pragma is
+# only a warning.
+#
+# If we can't selectively disable warning in the code, disable -Werror so that
+# the build doesn't fail anyway.
+
+pragma_disable_unused_but_set=no
+cat > $TMPC << EOF
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
+#pragma GCC diagnostic ignored "-Wstrict-prototypes"
+#pragma GCC diagnostic pop
+
+int main(void) {
+    return 0;
+}
+EOF
+if compile_prog "-Werror" "" ; then
+    pragma_diagnostic_available=yes
+else
+    werror=no
+fi
+
+########################################
+# check if we have valgrind/valgrind.h
+
+valgrind_h=no
+cat > $TMPC << EOF
+#include <valgrind/valgrind.h>
+int main(void) {
+  return 0;
+}
+EOF
+if compile_prog "" "" ; then
+    valgrind_h=yes
+fi
+
+########################################
+# check if environ is declared
+
+has_environ=no
+cat > $TMPC << EOF
+#include <unistd.h>
+int main(void) {
+    environ = 0;
+    return 0;
+}
+EOF
+if compile_prog "" "" ; then
+    has_environ=yes
+fi
+
+########################################
+# check if cpuid.h is usable.
+
+cpuid_h=no
+cat > $TMPC << EOF
+#include <cpuid.h>
+int main(void) {
+    unsigned a, b, c, d;
+    int max = __get_cpuid_max(0, 0);
+
+    if (max >= 1) {
+        __cpuid(1, a, b, c, d);
+    }
+
+    if (max >= 7) {
+        __cpuid_count(7, 0, a, b, c, d);
+    }
+
+    return 0;
+}
+EOF
+if compile_prog "" "" ; then
+    cpuid_h=yes
+fi
+
+########################################
+# check if __[u]int128_t is usable.
+
+int128=no
+cat > $TMPC << EOF
+#if defined(__clang_major__) && defined(__clang_minor__)
+# if ((__clang_major__ < 3) || (__clang_major__ == 3) && (__clang_minor__ < 2))
+#  error __int128_t does not work in CLANG before 3.2
+# endif
+#endif
+__int128_t a;
+__uint128_t b;
+int main (void) {
+  a = a + b;
+  b = a * b;
+  a = a * a;
+  return 0;
+}
+EOF
+if compile_prog "" "" ; then
+    int128=yes
+fi
+
+########################################
+# check if getauxval is available.
+
+getauxval=no
+cat > $TMPC << EOF
+#include <sys/auxv.h>
+int main(void) {
+  return getauxval(AT_HWCAP) == 0;
+}
+EOF
+if compile_prog "" "" ; then
+    getauxval=yes
+fi
+
+########################################
+# check if ccache is interfering with
+# semantic analysis of macros
+
+unset CCACHE_CPP2
+ccache_cpp2=no
+cat > $TMPC << EOF
+static const int Z = 1;
+#define fn() ({ Z; })
+#define TAUT(X) ((X) == Z)
+#define PAREN(X, Y) (X == Y)
+#define ID(X) (X)
+int main(int argc, char *argv[])
+{
+    int x = 0, y = 0;
+    x = ID(x);
+    x = fn();
+    fn();
+    if (PAREN(x, y)) return 0;
+    if (TAUT(Z)) return 0;
+    return 0;
+}
+EOF
+
+if ! compile_object "-Werror"; then
+    ccache_cpp2=yes
+fi
+
+#################################################
+# clang does not support glibc + FORTIFY_SOURCE.
+
+if test "$fortify_source" != "no"; then
+  if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
+    fortify_source="no";
+  elif test -n "$cxx" &&
+       echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
+    fortify_source="no";
+  else
+    fortify_source="yes"
+  fi
+fi
+
+##########################################
+# End of CC checks
+# After here, no more $cc or $ld runs
+
+if test "$gcov" = "yes" ; then
+  CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
+  LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
+elif test "$fortify_source" = "yes" ; then
+  CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
+elif test "$debug" = "no"; then
+  CFLAGS="-O2 $CFLAGS"
+fi
+
+##########################################
+# Do we have libnfs
+if test "$libnfs" != "no" ; then
+  if $pkg_config --atleast-version=1.9.3 libnfs; then
+    libnfs="yes"
+    libnfs_libs=$($pkg_config --libs libnfs)
+    LIBS="$LIBS $libnfs_libs"
+  else
+    if test "$libnfs" = "yes" ; then
+      feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
+    fi
+    libnfs="no"
+  fi
+fi
+
+# Disable zero malloc errors for official releases unless explicitly told to
+# enable/disable
+if test -z "$zero_malloc" ; then
+    if test "$z_version" = "50" ; then
+	zero_malloc="no"
+    else
+	zero_malloc="yes"
+    fi
+fi
+
+# Now we've finished running tests it's OK to add -Werror to the compiler flags
+if test "$werror" = "yes"; then
+    QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
+fi
+
+if test "$solaris" = "no" ; then
+    if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
+        LDFLAGS="-Wl,--warn-common $LDFLAGS"
+    fi
+fi
+
+# test if pod2man has --utf8 option
+if pod2man --help | grep -q utf8; then
+    POD2MAN="pod2man --utf8"
+else
+    POD2MAN="pod2man"
+fi
+
+# Use ASLR, no-SEH and DEP if available
+if test "$mingw32" = "yes" ; then
+    for flag in --dynamicbase --no-seh --nxcompat; do
+        if $ld --help 2>/dev/null | grep ".$flag" >/dev/null 2>/dev/null ; then
+            LDFLAGS="-Wl,$flag $LDFLAGS"
+        fi
+    done
+fi
+
+qemu_confdir=$sysconfdir$confsuffix
+qemu_moddir=$libdir$confsuffix
+qemu_datadir=$datadir$confsuffix
+qemu_localedir="$datadir/locale"
+
+tools=""
+if test "$want_tools" = "yes" ; then
+  tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
+  if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
+    tools="qemu-nbd\$(EXESUF) $tools"
+    tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
+  fi
+fi
+if test "$softmmu" = yes ; then
+  if test "$virtfs" != no ; then
+    if test "$cap" = yes && test "$linux" = yes && test "$attr" = yes ; then
+      virtfs=yes
+      tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
+    else
+      if test "$virtfs" = yes; then
+        error_exit "VirtFS is supported only on Linux and requires libcap-devel and libattr-devel"
+      fi
+      virtfs=no
+    fi
+  fi
+fi
+
+# Probe for guest agent support/options
+
+if [ "$guest_agent" != "no" ]; then
+  if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
+      tools="qemu-ga $tools"
+      guest_agent=yes
+  elif [ "$guest_agent" != yes ]; then
+      guest_agent=no
+  else
+      error_exit "Guest agent is not supported on this platform"
+  fi
+fi
+
+# Guest agent Window MSI  package
+
+if test "$guest_agent" != yes; then
+  if test "$guest_agent_msi" = yes; then
+    error_exit "MSI guest agent package requires guest agent enabled"
+  fi
+  guest_agent_msi=no
+elif test "$mingw32" != "yes"; then
+  if test "$guest_agent_msi" = "yes"; then
+    error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
+  fi
+  guest_agent_msi=no
+elif ! has wixl; then
+  if test "$guest_agent_msi" = "yes"; then
+    error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
+  fi
+  guest_agent_msi=no
+else
+  # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
+  # disabled explicitly
+  if test "$guest_agent_msi" != "no"; then
+    guest_agent_msi=yes
+  fi
+fi
+
+if test "$guest_agent_msi" = "yes"; then
+  if test "$guest_agent_with_vss" = "yes"; then
+    QEMU_GA_MSI_WITH_VSS="-D InstallVss"
+  fi
+
+  if test "$QEMU_GA_MANUFACTURER" = ""; then
+    QEMU_GA_MANUFACTURER=QEMU
+  fi
+
+  if test "$QEMU_GA_DISTRO" = ""; then
+    QEMU_GA_DISTRO=Linux
+  fi
+
+  if test "$QEMU_GA_VERSION" = ""; then
+      QEMU_GA_VERSION=`cat $source_path/VERSION`
+  fi
+
+  QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=`$pkg_config --variable=prefix glib-2.0`/bin"
+
+  case "$cpu" in
+  x86_64)
+    QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
+    ;;
+  i386)
+    QEMU_GA_MSI_ARCH="-D Arch=32"
+    ;;
+  *)
+    error_exit "CPU $cpu not supported for building installation package"
+    ;;
+  esac
+fi
+
+# Mac OS X ships with a broken assembler
+roms=
+if test \( "$cpu" = "i386" -o "$cpu" = "x86_64" \) -a \
+        "$targetos" != "Darwin" -a "$targetos" != "SunOS" -a \
+        "$softmmu" = yes ; then
+  roms="optionrom"
+fi
+if test "$cpu" = "ppc64" -a "$targetos" != "Darwin" ; then
+  roms="$roms spapr-rtas"
+fi
+
+if test "$cpu" = "s390x" ; then
+  roms="$roms s390-ccw"
+fi
+
+# Probe for the need for relocating the user-only binary.
+if test "$pie" = "no" ; then
+  textseg_addr=
+  case "$cpu" in
+    arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
+      # ??? Rationale for choosing this address
+      textseg_addr=0x60000000
+      ;;
+    mips)
+      # A 256M aligned address, high in the address space, with enough
+      # room for the code_gen_buffer above it before the stack.
+      textseg_addr=0x60000000
+      ;;
+  esac
+  if [ -n "$textseg_addr" ]; then
+    cat > $TMPC <<EOF
+    int main(void) { return 0; }
+EOF
+    textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
+    if ! compile_prog "" "$textseg_ldflags"; then
+      # In case ld does not support -Ttext-segment, edit the default linker
+      # script via sed to set the .text start addr.  This is needed on FreeBSD
+      # at least.
+      $ld --verbose | sed \
+        -e '1,/==================================================/d' \
+        -e '/==================================================/,$d' \
+        -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
+        -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
+      textseg_ldflags="-Wl,-T../config-host.ld"
+    fi
+  fi
+fi
+
+# prepend pixman and ftd flags after all config tests are done
+QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
+libs_softmmu="$pixman_libs $libs_softmmu"
+
+echo "Install prefix    $prefix"
+echo "BIOS directory    `eval echo $qemu_datadir`"
+echo "binary directory  `eval echo $bindir`"
+echo "library directory `eval echo $libdir`"
+echo "module directory  `eval echo $qemu_moddir`"
+echo "libexec directory `eval echo $libexecdir`"
+echo "include directory `eval echo $includedir`"
+echo "config directory  `eval echo $sysconfdir`"
+if test "$mingw32" = "no" ; then
+echo "local state directory   `eval echo $local_statedir`"
+echo "Manual directory  `eval echo $mandir`"
+echo "ELF interp prefix $interp_prefix"
+else
+echo "local state directory   queried at runtime"
+echo "Windows SDK       $win_sdk"
+fi
+echo "Source path       $source_path"
+echo "C compiler        $cc"
+echo "Host C compiler   $host_cc"
+echo "C++ compiler      $cxx"
+echo "Objective-C compiler $objcc"
+echo "ARFLAGS           $ARFLAGS"
+echo "CFLAGS            $CFLAGS"
+echo "QEMU_CFLAGS       $QEMU_CFLAGS"
+echo "LDFLAGS           $LDFLAGS"
+echo "make              $make"
+echo "install           $install"
+echo "python            $python"
+if test "$slirp" = "yes" ; then
+    echo "smbd              $smbd"
+fi
+echo "module support    $modules"
+echo "host CPU          $cpu"
+echo "host big endian   $bigendian"
+echo "target list       $target_list"
+echo "tcg debug enabled $debug_tcg"
+echo "gprof enabled     $gprof"
+echo "sparse enabled    $sparse"
+echo "strip binaries    $strip_opt"
+echo "profiler          $profiler"
+echo "static build      $static"
+if test "$darwin" = "yes" ; then
+    echo "Cocoa support     $cocoa"
+fi
+echo "pixman            $pixman"
+echo "SDL support       $sdl"
+echo "GTK support       $gtk"
+echo "GTK GL support    $gtk_gl"
+echo "GNUTLS support    $gnutls"
+echo "GNUTLS hash       $gnutls_hash"
+echo "libgcrypt         $gcrypt"
+if test "$nettle" = "yes"; then
+    echo "nettle            $nettle ($nettle_version)"
+else
+    echo "nettle            $nettle"
+fi
+echo "libtasn1          $tasn1"
+echo "VTE support       $vte"
+echo "curses support    $curses"
+echo "virgl support     $virglrenderer"
+echo "curl support      $curl"
+echo "mingw32 support   $mingw32"
+echo "Audio drivers     $audio_drv_list"
+echo "Block whitelist (rw) $block_drv_rw_whitelist"
+echo "Block whitelist (ro) $block_drv_ro_whitelist"
+echo "VirtFS support    $virtfs"
+echo "VNC support       $vnc"
+if test "$vnc" = "yes" ; then
+    echo "VNC SASL support  $vnc_sasl"
+    echo "VNC JPEG support  $vnc_jpeg"
+    echo "VNC PNG support   $vnc_png"
+fi
+if test -n "$sparc_cpu"; then
+    echo "Target Sparc Arch $sparc_cpu"
+fi
+echo "xen support       $xen"
+if test "$xen" = "yes" ; then
+  echo "xen ctrl version  $xen_ctrl_version"
+fi
+echo "brlapi support    $brlapi"
+echo "bluez  support    $bluez"
+echo "Documentation     $docs"
+echo "PIE               $pie"
+echo "vde support       $vde"
+echo "netmap support    $netmap"
+echo "Linux AIO support $linux_aio"
+echo "ATTR/XATTR support $attr"
+echo "Install blobs     $blobs"
+echo "KVM support       $kvm"
+echo "RDMA support      $rdma"
+echo "TCG interpreter   $tcg_interpreter"
+echo "fdt support       $fdt"
+echo "preadv support    $preadv"
+echo "fdatasync         $fdatasync"
+echo "madvise           $madvise"
+echo "posix_madvise     $posix_madvise"
+echo "sigev_thread_id   $sigev_thread_id"
+echo "uuid support      $uuid"
+echo "libcap-ng support $cap_ng"
+echo "vhost-net support $vhost_net"
+echo "vhost-scsi support $vhost_scsi"
+echo "Trace backends    $trace_backends"
+if test "$trace_backend" = "simple"; then
+echo "Trace output file $trace_file-<pid>"
+fi
+if test "$spice" = "yes"; then
+echo "spice support     $spice ($spice_protocol_version/$spice_server_version)"
+else
+echo "spice support     $spice"
+fi
+echo "rbd support       $rbd"
+echo "xfsctl support    $xfs"
+echo "smartcard support $smartcard"
+echo "libusb            $libusb"
+echo "usb net redir     $usb_redir"
+echo "OpenGL support    $opengl"
+echo "libiscsi support  $libiscsi"
+echo "libnfs support    $libnfs"
+echo "build guest agent $guest_agent"
+echo "QGA VSS support   $guest_agent_with_vss"
+echo "QGA w32 disk info $guest_agent_ntddscsi"
+echo "QGA MSI support   $guest_agent_msi"
+echo "seccomp support   $seccomp"
+echo "coroutine backend $coroutine"
+echo "coroutine pool    $coroutine_pool"
+echo "GlusterFS support $glusterfs"
+echo "Archipelago support $archipelago"
+echo "gcov              $gcov_tool"
+echo "gcov enabled      $gcov"
+echo "TPM support       $tpm"
+echo "libssh2 support   $libssh2"
+echo "TPM passthrough   $tpm_passthrough"
+echo "QOM debugging     $qom_cast_debug"
+echo "vhdx              $vhdx"
+echo "lzo support       $lzo"
+echo "snappy support    $snappy"
+echo "bzip2 support     $bzip2"
+echo "NUMA host support $numa"
+echo "tcmalloc support  $tcmalloc"
+echo "jemalloc support  $jemalloc"
+echo "LLVM enabled      $llvm (version `llvm-config --version`)"
+
+if test "$libopencsd" != ""; then
+  echo "libopencsd        $libopencsd"
+fi
+
+if test "$sdl_too_old" = "yes"; then
+echo "-> Your SDL version is too old - please upgrade to have SDL support"
+fi
+
+config_host_mak="config-host.mak"
+
+echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
+
+echo "# Automatically generated by configure - do not modify" > $config_host_mak
+echo >> $config_host_mak
+
+echo all: >> $config_host_mak
+echo "prefix=$prefix" >> $config_host_mak
+echo "bindir=$bindir" >> $config_host_mak
+echo "libdir=$libdir" >> $config_host_mak
+echo "libexecdir=$libexecdir" >> $config_host_mak
+echo "includedir=$includedir" >> $config_host_mak
+echo "mandir=$mandir" >> $config_host_mak
+echo "sysconfdir=$sysconfdir" >> $config_host_mak
+echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
+echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
+echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
+echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
+if test "$mingw32" = "no" ; then
+  echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
+fi
+echo "qemu_helperdir=$libexecdir" >> $config_host_mak
+echo "extra_cflags=$EXTRA_CFLAGS" >> $config_host_mak
+echo "extra_ldflags=$EXTRA_LDFLAGS" >> $config_host_mak
+echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
+echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
+
+echo "ARCH=$ARCH" >> $config_host_mak
+
+if test "$debug_tcg" = "yes" ; then
+  echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
+fi
+if test "$strip_opt" = "yes" ; then
+  echo "STRIP=${strip}" >> $config_host_mak
+fi
+if test "$bigendian" = "yes" ; then
+  echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
+fi
+if test "$mingw32" = "yes" ; then
+  echo "CONFIG_WIN32=y" >> $config_host_mak
+  rc_version=`cat $source_path/VERSION`
+  version_major=${rc_version%%.*}
+  rc_version=${rc_version#*.}
+  version_minor=${rc_version%%.*}
+  rc_version=${rc_version#*.}
+  version_subminor=${rc_version%%.*}
+  version_micro=0
+  echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
+  echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
+  if test "$guest_agent_with_vss" = "yes" ; then
+    echo "CONFIG_QGA_VSS=y" >> $config_host_mak
+    echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
+    echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
+  fi
+  if test "$guest_agent_ntddscsi" = "yes" ; then
+    echo "CONFIG_QGA_NTDDDISK=y" >> $config_host_mak
+  fi
+  if test "$guest_agent_msi" = "yes"; then
+    echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak  
+    echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
+    echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
+    echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
+    echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
+    echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
+    echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
+  fi
+else
+  echo "CONFIG_POSIX=y" >> $config_host_mak
+fi
+
+if test "$linux" = "yes" ; then
+  echo "CONFIG_LINUX=y" >> $config_host_mak
+fi
+
+if test "$darwin" = "yes" ; then
+  echo "CONFIG_DARWIN=y" >> $config_host_mak
+fi
+
+if test "$aix" = "yes" ; then
+  echo "CONFIG_AIX=y" >> $config_host_mak
+fi
+
+if test "$solaris" = "yes" ; then
+  echo "CONFIG_SOLARIS=y" >> $config_host_mak
+  echo "CONFIG_SOLARIS_VERSION=$solarisrev" >> $config_host_mak
+  if test "$needs_libsunmath" = "yes" ; then
+    echo "CONFIG_NEEDS_LIBSUNMATH=y" >> $config_host_mak
+  fi
+fi
+if test "$haiku" = "yes" ; then
+  echo "CONFIG_HAIKU=y" >> $config_host_mak
+fi
+if test "$static" = "yes" ; then
+  echo "CONFIG_STATIC=y" >> $config_host_mak
+fi
+if test "$profiler" = "yes" ; then
+  echo "CONFIG_PROFILER=y" >> $config_host_mak
+fi
+if test "$slirp" = "yes" ; then
+  echo "CONFIG_SLIRP=y" >> $config_host_mak
+  echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
+fi
+if test "$vde" = "yes" ; then
+  echo "CONFIG_VDE=y" >> $config_host_mak
+fi
+if test "$netmap" = "yes" ; then
+  echo "CONFIG_NETMAP=y" >> $config_host_mak
+fi
+if test "$l2tpv3" = "yes" ; then
+  echo "CONFIG_L2TPV3=y" >> $config_host_mak
+fi
+if test "$cap_ng" = "yes" ; then
+  echo "CONFIG_LIBCAP=y" >> $config_host_mak
+fi
+echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
+for drv in $audio_drv_list; do
+    def=CONFIG_`echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]'`
+    echo "$def=y" >> $config_host_mak
+done
+if test "$audio_pt_int" = "yes" ; then
+  echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
+fi
+if test "$audio_win_int" = "yes" ; then
+  echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
+fi
+echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
+echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
+if test "$vnc" = "yes" ; then
+  echo "CONFIG_VNC=y" >> $config_host_mak
+fi
+if test "$vnc_sasl" = "yes" ; then
+  echo "CONFIG_VNC_SASL=y" >> $config_host_mak
+fi
+if test "$vnc_jpeg" = "yes" ; then
+  echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
+fi
+if test "$vnc_png" = "yes" ; then
+  echo "CONFIG_VNC_PNG=y" >> $config_host_mak
+fi
+if test "$fnmatch" = "yes" ; then
+  echo "CONFIG_FNMATCH=y" >> $config_host_mak
+fi
+if test "$uuid" = "yes" ; then
+  echo "CONFIG_UUID=y" >> $config_host_mak
+fi
+if test "$xfs" = "yes" ; then
+  echo "CONFIG_XFS=y" >> $config_host_mak
+fi
+qemu_version=`head $source_path/VERSION`
+echo "VERSION=$qemu_version" >>$config_host_mak
+echo "PKGVERSION=$pkgversion" >>$config_host_mak
+echo "SRC_PATH=$source_path" >> $config_host_mak
+echo "TARGET_DIRS=$target_list" >> $config_host_mak
+if [ "$docs" = "yes" ] ; then
+  echo "BUILD_DOCS=yes" >> $config_host_mak
+fi
+if test "$modules" = "yes"; then
+  # $shacmd can generate a hash started with digit, which the compiler doesn't
+  # like as an symbol. So prefix it with an underscore
+  echo "CONFIG_STAMP=_`(echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ `" >> $config_host_mak
+  echo "CONFIG_MODULES=y" >> $config_host_mak
+fi
+if test "$sdl" = "yes" ; then
+  echo "CONFIG_SDL=y" >> $config_host_mak
+  echo "CONFIG_SDLABI=$sdlabi" >> $config_host_mak
+  echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
+fi
+if test "$cocoa" = "yes" ; then
+  echo "CONFIG_COCOA=y" >> $config_host_mak
+fi
+if test "$curses" = "yes" ; then
+  echo "CONFIG_CURSES=y" >> $config_host_mak
+fi
+if test "$utimens" = "yes" ; then
+  echo "CONFIG_UTIMENSAT=y" >> $config_host_mak
+fi
+if test "$pipe2" = "yes" ; then
+  echo "CONFIG_PIPE2=y" >> $config_host_mak
+fi
+if test "$accept4" = "yes" ; then
+  echo "CONFIG_ACCEPT4=y" >> $config_host_mak
+fi
+if test "$splice" = "yes" ; then
+  echo "CONFIG_SPLICE=y" >> $config_host_mak
+fi
+if test "$eventfd" = "yes" ; then
+  echo "CONFIG_EVENTFD=y" >> $config_host_mak
+fi
+if test "$memfd" = "yes" ; then
+  echo "CONFIG_MEMFD=y" >> $config_host_mak
+fi
+if test "$fallocate" = "yes" ; then
+  echo "CONFIG_FALLOCATE=y" >> $config_host_mak
+fi
+if test "$fallocate_punch_hole" = "yes" ; then
+  echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
+fi
+if test "$fallocate_zero_range" = "yes" ; then
+  echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
+fi
+if test "$posix_fallocate" = "yes" ; then
+  echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
+fi
+if test "$sync_file_range" = "yes" ; then
+  echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
+fi
+if test "$fiemap" = "yes" ; then
+  echo "CONFIG_FIEMAP=y" >> $config_host_mak
+fi
+if test "$dup3" = "yes" ; then
+  echo "CONFIG_DUP3=y" >> $config_host_mak
+fi
+if test "$ppoll" = "yes" ; then
+  echo "CONFIG_PPOLL=y" >> $config_host_mak
+fi
+if test "$prctl_pr_set_timerslack" = "yes" ; then
+  echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
+fi
+if test "$epoll" = "yes" ; then
+  echo "CONFIG_EPOLL=y" >> $config_host_mak
+fi
+if test "$epoll_create1" = "yes" ; then
+  echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
+fi
+if test "$epoll_pwait" = "yes" ; then
+  echo "CONFIG_EPOLL_PWAIT=y" >> $config_host_mak
+fi
+if test "$sendfile" = "yes" ; then
+  echo "CONFIG_SENDFILE=y" >> $config_host_mak
+fi
+if test "$timerfd" = "yes" ; then
+  echo "CONFIG_TIMERFD=y" >> $config_host_mak
+fi
+if test "$setns" = "yes" ; then
+  echo "CONFIG_SETNS=y" >> $config_host_mak
+fi
+if test "$inotify" = "yes" ; then
+  echo "CONFIG_INOTIFY=y" >> $config_host_mak
+fi
+if test "$inotify1" = "yes" ; then
+  echo "CONFIG_INOTIFY1=y" >> $config_host_mak
+fi
+if test "$byteswap_h" = "yes" ; then
+  echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
+fi
+if test "$bswap_h" = "yes" ; then
+  echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
+fi
+if test "$curl" = "yes" ; then
+  echo "CONFIG_CURL=m" >> $config_host_mak
+  echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
+  echo "CURL_LIBS=$curl_libs" >> $config_host_mak
+fi
+if test "$brlapi" = "yes" ; then
+  echo "CONFIG_BRLAPI=y" >> $config_host_mak
+fi
+if test "$bluez" = "yes" ; then
+  echo "CONFIG_BLUEZ=y" >> $config_host_mak
+  echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
+fi
+if test "$glib_subprocess" = "yes" ; then
+  echo "CONFIG_HAS_GLIB_SUBPROCESS_TESTS=y" >> $config_host_mak
+fi
+echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
+if test "$gtk" = "yes" ; then
+  echo "CONFIG_GTK=y" >> $config_host_mak
+  echo "CONFIG_GTKABI=$gtkabi" >> $config_host_mak
+  echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
+  if test "$gtk_gl" = "yes" ; then
+    echo "CONFIG_GTK_GL=y" >> $config_host_mak
+  fi
+fi
+if test "$gnutls" = "yes" ; then
+  echo "CONFIG_GNUTLS=y" >> $config_host_mak
+fi
+if test "$gnutls_hash" = "yes" ; then
+  echo "CONFIG_GNUTLS_HASH=y" >> $config_host_mak
+fi
+if test "$gcrypt" = "yes" ; then
+  echo "CONFIG_GCRYPT=y" >> $config_host_mak
+fi
+if test "$nettle" = "yes" ; then
+  echo "CONFIG_NETTLE=y" >> $config_host_mak
+  echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
+fi
+if test "$tasn1" = "yes" ; then
+  echo "CONFIG_TASN1=y" >> $config_host_mak
+fi
+if test "$vte" = "yes" ; then
+  echo "CONFIG_VTE=y" >> $config_host_mak
+  echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
+fi
+if test "$virglrenderer" = "yes" ; then
+  echo "CONFIG_VIRGL=y" >> $config_host_mak
+  echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
+  echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
+fi
+if test "$xen" = "yes" ; then
+  echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
+  echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
+fi
+if test "$linux_aio" = "yes" ; then
+  echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
+fi
+if test "$attr" = "yes" ; then
+  echo "CONFIG_ATTR=y" >> $config_host_mak
+fi
+if test "$libattr" = "yes" ; then
+  echo "CONFIG_LIBATTR=y" >> $config_host_mak
+fi
+if test "$virtfs" = "yes" ; then
+  echo "CONFIG_VIRTFS=y" >> $config_host_mak
+fi
+if test "$vhost_scsi" = "yes" ; then
+  echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
+fi
+if test "$vhost_net" = "yes" ; then
+  echo "CONFIG_VHOST_NET_USED=y" >> $config_host_mak
+fi
+if test "$blobs" = "yes" ; then
+  echo "INSTALL_BLOBS=yes" >> $config_host_mak
+fi
+if test "$iovec" = "yes" ; then
+  echo "CONFIG_IOVEC=y" >> $config_host_mak
+fi
+if test "$preadv" = "yes" ; then
+  echo "CONFIG_PREADV=y" >> $config_host_mak
+fi
+if test "$fdt" = "yes" ; then
+  echo "CONFIG_FDT=y" >> $config_host_mak
+fi
+if test "$signalfd" = "yes" ; then
+  echo "CONFIG_SIGNALFD=y" >> $config_host_mak
+fi
+if test "$tcg_interpreter" = "yes" ; then
+  echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
+fi
+if test "$fdatasync" = "yes" ; then
+  echo "CONFIG_FDATASYNC=y" >> $config_host_mak
+fi
+if test "$madvise" = "yes" ; then
+  echo "CONFIG_MADVISE=y" >> $config_host_mak
+fi
+if test "$posix_madvise" = "yes" ; then
+  echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
+fi
+if test "$sigev_thread_id" = "yes" ; then
+  echo "CONFIG_SIGEV_THREAD_ID=y" >> $config_host_mak
+fi
+
+if test "$spice" = "yes" ; then
+  echo "CONFIG_SPICE=y" >> $config_host_mak
+fi
+
+if test "$smartcard" = "yes" ; then
+  echo "CONFIG_SMARTCARD=y" >> $config_host_mak
+fi
+
+if test "$libusb" = "yes" ; then
+  echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
+fi
+
+if test "$usb_redir" = "yes" ; then
+  echo "CONFIG_USB_REDIR=y" >> $config_host_mak
+fi
+
+if test "$opengl" = "yes" ; then
+  echo "CONFIG_OPENGL=y" >> $config_host_mak
+  echo "OPENGL_CFLAGS=$opengl_cflags" >> $config_host_mak
+  echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
+fi
+
+if test "$lzo" = "yes" ; then
+  echo "CONFIG_LZO=y" >> $config_host_mak
+fi
+
+if test "$snappy" = "yes" ; then
+  echo "CONFIG_SNAPPY=y" >> $config_host_mak
+fi
+
+if test "$bzip2" = "yes" ; then
+  echo "CONFIG_BZIP2=y" >> $config_host_mak
+  echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
+fi
+
+if test "$libiscsi" = "yes" ; then
+  echo "CONFIG_LIBISCSI=m" >> $config_host_mak
+  echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
+  echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
+fi
+
+if test "$libnfs" = "yes" ; then
+  echo "CONFIG_LIBNFS=y" >> $config_host_mak
+fi
+
+if test "$seccomp" = "yes"; then
+  echo "CONFIG_SECCOMP=y" >> $config_host_mak
+fi
+
+if test "$llvm" != "no" ; then
+  echo "CONFIG_LLVM=y" >> $config_host_mak
+  echo "BCFLAGS=$bcflags" >> $config_host_mak
+  echo "LLVM_VERSION=LLVM_V`llvm-config --version | sed -e "s/\.//g" | cut -c 1-2`" >> $config_host_mak
+  echo "LLVM_CFLAGS=`llvm-config --cflags`" >> $config_host_mak
+  echo "LLVM_CXXFLAGS=`llvm-config --cxxflags`" >> $config_host_mak
+  echo "LLVM_LDFLAGS=`llvm-config --ldflags`" >> $config_host_mak
+  echo "LLVM_LIBS=`llvm-config --libs`" >> $config_host_mak
+fi
+
+if test "$libopencsd" != "" ; then
+  echo "CONFIG_LIBOPENCSD=y" >> $config_host_mak
+  echo "LIBOPENCSD=$libopencsd" >> $config_host_mak
+fi
+
+# XXX: suppress that
+if [ "$bsd" = "yes" ] ; then
+  echo "CONFIG_BSD=y" >> $config_host_mak
+fi
+
+if test "$zero_malloc" = "yes" ; then
+  echo "CONFIG_ZERO_MALLOC=y" >> $config_host_mak
+fi
+if test "$localtime_r" = "yes" ; then
+  echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
+fi
+if test "$qom_cast_debug" = "yes" ; then
+  echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
+fi
+if test "$rbd" = "yes" ; then
+  echo "CONFIG_RBD=m" >> $config_host_mak
+  echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
+  echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
+fi
+
+echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
+if test "$coroutine_pool" = "yes" ; then
+  echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
+else
+  echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
+fi
+
+if test "$open_by_handle_at" = "yes" ; then
+  echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
+fi
+
+if test "$linux_magic_h" = "yes" ; then
+  echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
+fi
+
+if test "$pragma_diagnostic_available" = "yes" ; then
+  echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
+fi
+
+if test "$valgrind_h" = "yes" ; then
+  echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
+fi
+
+if test "$has_environ" = "yes" ; then
+  echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
+fi
+
+if test "$cpuid_h" = "yes" ; then
+  echo "CONFIG_CPUID_H=y" >> $config_host_mak
+fi
+
+if test "$int128" = "yes" ; then
+  echo "CONFIG_INT128=y" >> $config_host_mak
+fi
+
+if test "$getauxval" = "yes" ; then
+  echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
+fi
+
+if test "$glusterfs" = "yes" ; then
+  echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
+  echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
+  echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
+fi
+
+if test "$glusterfs_discard" = "yes" ; then
+  echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
+fi
+
+if test "$glusterfs_zerofill" = "yes" ; then
+  echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
+fi
+
+if test "$archipelago" = "yes" ; then
+  echo "CONFIG_ARCHIPELAGO=m" >> $config_host_mak
+  echo "ARCHIPELAGO_LIBS=$archipelago_libs" >> $config_host_mak
+fi
+
+if test "$libssh2" = "yes" ; then
+  echo "CONFIG_LIBSSH2=m" >> $config_host_mak
+  echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
+  echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
+fi
+
+if test "$vhdx" = "yes" ; then
+  echo "CONFIG_VHDX=y" >> $config_host_mak
+fi
+
+# USB host support
+if test "$libusb" = "yes"; then
+  echo "HOST_USB=libusb legacy" >> $config_host_mak
+else
+  echo "HOST_USB=stub" >> $config_host_mak
+fi
+
+# TPM passthrough support?
+if test "$tpm" = "yes"; then
+  echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
+  if test "$tpm_passthrough" = "yes"; then
+    echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
+  fi
+fi
+
+echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
+if have_backend "nop"; then
+  echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
+fi
+if have_backend "simple"; then
+  echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
+  # Set the appropriate trace file.
+  trace_file="\"$trace_file-\" FMT_pid"
+fi
+if have_backend "stderr"; then
+  echo "CONFIG_TRACE_STDERR=y" >> $config_host_mak
+fi
+if have_backend "ust"; then
+  echo "CONFIG_TRACE_UST=y" >> $config_host_mak
+fi
+if have_backend "dtrace"; then
+  echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
+  if test "$trace_backend_stap" = "yes" ; then
+    echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
+  fi
+fi
+if have_backend "ftrace"; then
+  if test "$linux" = "yes" ; then
+    echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
+  else
+    feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
+  fi
+fi
+echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
+
+if test "$rdma" = "yes" ; then
+  echo "CONFIG_RDMA=y" >> $config_host_mak
+fi
+
+# Hold two types of flag:
+#   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
+#                                     a thread we have a handle to
+#   CONFIG_PTHREAD_SETNAME_NP       - A way of doing it on a particular
+#                                     platform
+if test "$pthread_setname_np" = "yes" ; then
+  echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
+  echo "CONFIG_PTHREAD_SETNAME_NP=y" >> $config_host_mak
+fi
+
+if test "$tcg_interpreter" = "yes"; then
+  QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
+elif test "$ARCH" = "sparc64" ; then
+  QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
+elif test "$ARCH" = "s390x" ; then
+  QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
+elif test "$ARCH" = "x86_64" -o "$ARCH" = "x32" ; then
+  QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
+elif test "$ARCH" = "ppc64" ; then
+  QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
+else
+  QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
+fi
+QEMU_INCLUDES="-I\$(SRC_PATH)/tcg $QEMU_INCLUDES"
+
+echo "TOOLS=$tools" >> $config_host_mak
+echo "ROMS=$roms" >> $config_host_mak
+echo "MAKE=$make" >> $config_host_mak
+echo "INSTALL=$install" >> $config_host_mak
+echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
+echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
+if test -n "$libtool"; then
+  echo "INSTALL_PROG=\$(LIBTOOL) --mode=install $install -c -m 0755" >> $config_host_mak
+  echo "INSTALL_LIB=\$(LIBTOOL) --mode=install $install -c -m 0644" >> $config_host_mak
+else
+  echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
+  echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
+fi
+echo "PYTHON=$python" >> $config_host_mak
+echo "CC=$cc" >> $config_host_mak
+if $iasl -h > /dev/null 2>&1; then
+  echo "IASL=$iasl" >> $config_host_mak
+fi
+echo "CC_I386=$cc_i386" >> $config_host_mak
+echo "HOST_CC=$host_cc" >> $config_host_mak
+echo "CXX=$cxx" >> $config_host_mak
+echo "OBJCC=$objcc" >> $config_host_mak
+echo "AR=$ar" >> $config_host_mak
+echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
+echo "AS=$as" >> $config_host_mak
+echo "CPP=$cpp" >> $config_host_mak
+echo "OBJCOPY=$objcopy" >> $config_host_mak
+echo "LD=$ld" >> $config_host_mak
+echo "NM=$nm" >> $config_host_mak
+echo "WINDRES=$windres" >> $config_host_mak
+echo "LIBTOOL=$libtool" >> $config_host_mak
+echo "CFLAGS=$CFLAGS" >> $config_host_mak
+echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
+echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
+echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
+if test "$sparse" = "yes" ; then
+  echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
+  echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
+  echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
+  echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
+  echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
+fi
+if test "$cross_prefix" != ""; then
+  echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
+else
+  echo "AUTOCONF_HOST := "                             >> $config_host_mak
+fi
+echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
+echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
+echo "LIBTOOLFLAGS=$LIBTOOLFLAGS" >> $config_host_mak
+echo "LIBS+=$LIBS" >> $config_host_mak
+echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
+echo "EXESUF=$EXESUF" >> $config_host_mak
+echo "DSOSUF=$DSOSUF" >> $config_host_mak
+echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
+echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
+echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
+echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
+echo "POD2MAN=$POD2MAN" >> $config_host_mak
+echo "TRANSLATE_OPT_CFLAGS=$TRANSLATE_OPT_CFLAGS" >> $config_host_mak
+if test "$gcov" = "yes" ; then
+  echo "CONFIG_GCOV=y" >> $config_host_mak
+  echo "GCOV=$gcov_tool" >> $config_host_mak
+fi
+
+# use included Linux headers
+if test "$linux" = "yes" ; then
+  mkdir -p linux-headers
+  case "$cpu" in
+  i386|x86_64|x32)
+    linux_arch=x86
+    ;;
+  ppcemb|ppc|ppc64)
+    linux_arch=powerpc
+    ;;
+  s390x)
+    linux_arch=s390
+    ;;
+  aarch64)
+    linux_arch=arm64
+    ;;
+  mips64)
+    linux_arch=mips
+    ;;
+  *)
+    # For most CPUs the kernel architecture name and QEMU CPU name match.
+    linux_arch="$cpu"
+    ;;
+  esac
+    # For non-KVM architectures we will not have asm headers
+    if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
+      symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
+    fi
+fi
+
+for target in $target_list; do
+target_dir="$target"
+config_target_mak=$target_dir/config-target.mak
+target_name=`echo $target | cut -d '-' -f 1`
+target_bigendian="no"
+
+case "$target_name" in
+  armeb|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or32|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
+  target_bigendian=yes
+  ;;
+esac
+target_softmmu="no"
+target_user_only="no"
+target_linux_user="no"
+target_bsd_user="no"
+case "$target" in
+  ${target_name}-softmmu)
+    target_softmmu="yes"
+    ;;
+  ${target_name}-linux-user)
+    if test "$linux" != "yes" ; then
+      error_exit "Target '$target' is only available on a Linux host"
+    fi
+    target_user_only="yes"
+    target_linux_user="yes"
+    ;;
+  ${target_name}-bsd-user)
+    if test "$bsd" != "yes" ; then
+      error_exit "Target '$target' is only available on a BSD host"
+    fi
+    target_user_only="yes"
+    target_bsd_user="yes"
+    ;;
+  *)
+    error_exit "Target '$target' not recognised"
+    exit 1
+    ;;
+esac
+
+mkdir -p $target_dir
+echo "# Automatically generated by configure - do not modify" > $config_target_mak
+
+bflt="no"
+interp_prefix1=`echo "$interp_prefix" | sed "s/%M/$target_name/g"`
+gdb_xml_files=""
+
+TARGET_ARCH="$target_name"
+TARGET_BASE_ARCH=""
+TARGET_ABI_DIR=""
+
+case "$target_name" in
+  i386)
+  ;;
+  x86_64)
+    TARGET_BASE_ARCH=i386
+  ;;
+  alpha)
+  ;;
+  arm|armeb)
+    TARGET_ARCH=arm
+    bflt="yes"
+    gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
+  ;;
+  aarch64)
+    TARGET_BASE_ARCH=arm
+    bflt="yes"
+    gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
+  ;;
+  cris)
+  ;;
+  lm32)
+  ;;
+  m68k)
+    bflt="yes"
+    gdb_xml_files="cf-core.xml cf-fp.xml"
+  ;;
+  microblaze|microblazeel)
+    TARGET_ARCH=microblaze
+    bflt="yes"
+  ;;
+  mips|mipsel)
+    TARGET_ARCH=mips
+    echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
+  ;;
+  mipsn32|mipsn32el)
+    TARGET_ARCH=mips64
+    TARGET_BASE_ARCH=mips
+    echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
+    echo "TARGET_ABI32=y" >> $config_target_mak
+  ;;
+  mips64|mips64el)
+    TARGET_ARCH=mips64
+    TARGET_BASE_ARCH=mips
+    echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
+  ;;
+  moxie)
+  ;;
+  or32)
+    TARGET_ARCH=openrisc
+    TARGET_BASE_ARCH=openrisc
+  ;;
+  ppc)
+    gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
+  ;;
+  ppcemb)
+    TARGET_BASE_ARCH=ppc
+    TARGET_ABI_DIR=ppc
+    gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
+  ;;
+  ppc64)
+    TARGET_BASE_ARCH=ppc
+    TARGET_ABI_DIR=ppc
+    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
+  ;;
+  ppc64le)
+    TARGET_ARCH=ppc64
+    TARGET_BASE_ARCH=ppc
+    TARGET_ABI_DIR=ppc
+    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
+  ;;
+  ppc64abi32)
+    TARGET_ARCH=ppc64
+    TARGET_BASE_ARCH=ppc
+    TARGET_ABI_DIR=ppc
+    echo "TARGET_ABI32=y" >> $config_target_mak
+    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
+  ;;
+  sh4|sh4eb)
+    TARGET_ARCH=sh4
+    bflt="yes"
+  ;;
+  sparc)
+  ;;
+  sparc64)
+    TARGET_BASE_ARCH=sparc
+  ;;
+  sparc32plus)
+    TARGET_ARCH=sparc64
+    TARGET_BASE_ARCH=sparc
+    TARGET_ABI_DIR=sparc
+    echo "TARGET_ABI32=y" >> $config_target_mak
+  ;;
+  s390x)
+    gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml"
+  ;;
+  tilegx)
+  ;;
+  tricore)
+  ;;
+  unicore32)
+  ;;
+  xtensa|xtensaeb)
+    TARGET_ARCH=xtensa
+  ;;
+  *)
+    error_exit "Unsupported target CPU"
+  ;;
+esac
+# TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
+if [ "$TARGET_BASE_ARCH" = "" ]; then
+  TARGET_BASE_ARCH=$TARGET_ARCH
+fi
+
+symlink "$source_path/Makefile.target" "$target_dir/Makefile"
+
+upper() {
+    echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
+}
+
+target_arch_name="`upper $TARGET_ARCH`"
+echo "TARGET_$target_arch_name=y" >> $config_target_mak
+echo "TARGET_NAME=$target_name" >> $config_target_mak
+echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
+if [ "$TARGET_ABI_DIR" = "" ]; then
+  TARGET_ABI_DIR=$TARGET_ARCH
+fi
+echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
+if [ "$HOST_VARIANT_DIR" != "" ]; then
+    echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
+fi
+case "$target_name" in
+  i386|x86_64)
+    if test "$xen" = "yes" -a "$target_softmmu" = "yes" ; then
+      echo "CONFIG_XEN=y" >> $config_target_mak
+      if test "$xen_pci_passthrough" = yes; then
+        echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
+      fi
+    fi
+    ;;
+  *)
+esac
+case "$target_name" in
+  aarch64|arm|i386|x86_64|ppcemb|ppc|ppc64|s390x|mipsel|mips)
+    # Make sure the target and host cpus are compatible
+    if test "$kvm" = "yes" -a "$target_softmmu" = "yes" -a \
+      \( "$target_name" = "$cpu" -o \
+      \( "$target_name" = "ppcemb" -a "$cpu" = "ppc" \) -o \
+      \( "$target_name" = "ppc64"  -a "$cpu" = "ppc" \) -o \
+      \( "$target_name" = "ppc"    -a "$cpu" = "ppc64" \) -o \
+      \( "$target_name" = "ppcemb" -a "$cpu" = "ppc64" \) -o \
+      \( "$target_name" = "mipsel" -a "$cpu" = "mips" \) -o \
+      \( "$target_name" = "x86_64" -a "$cpu" = "i386"   \) -o \
+      \( "$target_name" = "i386"   -a "$cpu" = "x86_64" \) -o \
+      \( "$target_name" = "x86_64" -a "$cpu" = "x32"   \) -o \
+      \( "$target_name" = "i386"   -a "$cpu" = "x32" \) \) ; then
+      echo "CONFIG_KVM=y" >> $config_target_mak
+      if test "$vhost_net" = "yes" ; then
+        echo "CONFIG_VHOST_NET=y" >> $config_target_mak
+        echo "CONFIG_VHOST_NET_TEST_$target_name=y" >> $config_host_mak
+      fi
+    fi
+esac
+if test "$target_bigendian" = "yes" ; then
+  echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
+fi
+if test "$target_softmmu" = "yes" ; then
+  echo "CONFIG_SOFTMMU=y" >> $config_target_mak
+fi
+if test "$target_user_only" = "yes" ; then
+  echo "CONFIG_USER_ONLY=y" >> $config_target_mak
+  echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
+fi
+if test "$target_linux_user" = "yes" ; then
+  echo "CONFIG_LINUX_USER=y" >> $config_target_mak
+fi
+list=""
+if test ! -z "$gdb_xml_files" ; then
+  for x in $gdb_xml_files; do
+    list="$list $source_path/gdb-xml/$x"
+  done
+  echo "TARGET_XML_FILES=$list" >> $config_target_mak
+fi
+
+if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
+  echo "TARGET_HAS_BFLT=y" >> $config_target_mak
+fi
+if test "$target_bsd_user" = "yes" ; then
+  echo "CONFIG_BSD_USER=y" >> $config_target_mak
+fi
+
+# generate QEMU_CFLAGS/LDFLAGS for targets
+
+cflags=""
+ldflags=""
+
+disas_config() {
+  echo "CONFIG_${1}_DIS=y" >> $config_target_mak
+  echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
+}
+
+for i in $ARCH $TARGET_BASE_ARCH ; do
+  case "$i" in
+  alpha)
+    disas_config "ALPHA"
+  ;;
+  aarch64)
+    if test -n "${cxx}"; then
+      disas_config "ARM_A64"
+    fi
+  ;;
+  arm)
+    disas_config "ARM"
+    if test -n "${cxx}"; then
+      disas_config "ARM_A64"
+    fi
+  ;;
+  cris)
+    disas_config "CRIS"
+  ;;
+  hppa)
+    disas_config "HPPA"
+  ;;
+  i386|x86_64|x32)
+    disas_config "I386"
+  ;;
+  ia64*)
+    disas_config "IA64"
+  ;;
+  lm32)
+    disas_config "LM32"
+  ;;
+  m68k)
+    disas_config "M68K"
+  ;;
+  microblaze*)
+    disas_config "MICROBLAZE"
+  ;;
+  mips*)
+    disas_config "MIPS"
+  ;;
+  moxie*)
+    disas_config "MOXIE"
+  ;;
+  or32)
+    disas_config "OPENRISC"
+  ;;
+  ppc*)
+    disas_config "PPC"
+  ;;
+  s390*)
+    disas_config "S390"
+  ;;
+  sh4)
+    disas_config "SH4"
+  ;;
+  sparc*)
+    disas_config "SPARC"
+  ;;
+  xtensa*)
+    disas_config "XTENSA"
+  ;;
+  esac
+done
+if test "$tcg_interpreter" = "yes" ; then
+  disas_config "TCI"
+fi
+
+case "$ARCH" in
+alpha)
+  # Ensure there's only a single GP
+  cflags="-msmall-data $cflags"
+;;
+esac
+
+if test "$gprof" = "yes" ; then
+  echo "TARGET_GPROF=yes" >> $config_target_mak
+  if test "$target_linux_user" = "yes" ; then
+    cflags="-p $cflags"
+    ldflags="-p $ldflags"
+  fi
+  if test "$target_softmmu" = "yes" ; then
+    ldflags="-p $ldflags"
+    echo "GPROF_CFLAGS=-p" >> $config_target_mak
+  fi
+fi
+
+if test "$target_linux_user" = "yes" -o "$target_bsd_user" = "yes" ; then
+  ldflags="$ldflags $textseg_ldflags"
+fi
+
+echo "LDFLAGS+=$ldflags" >> $config_target_mak
+echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
+
+if test "$cpu" = "i386" -o "$cpu" = "x86_64" -o "$cpu" = "arm" ; then
+  case "$target_name" in
+  i386|x86_64)
+    echo "CONFIG_COREMU=y" >> $config_target_mak
+    ;;
+  esac
+fi
+
+if test "$llvm" != "no" ; then
+  bitcode="llvm_helper_$target_name"
+  if test "$target_softmmu" = "yes" ; then
+    bitcode=$bitcode"_softmmu"
+  fi
+  echo "LLVM_EXTRA_FLAGS+=-I. -I\$(SRC_PATH) $cflags $LLVM_EXTRA_FLAGS" >> $config_target_mak
+  echo "CONFIG_LLVM_BITCODE=\"$prefix/bin/$bitcode.bc\"" >> $config_target_mak
+fi
+
+done # for target in $targets
+
+if [ "$pixman" = "internal" ]; then
+  echo "config-host.h: subdir-pixman" >> $config_host_mak
+fi
+
+if [ "$dtc_internal" = "yes" ]; then
+  echo "config-host.h: subdir-dtc" >> $config_host_mak
+fi
+
+if test "$numa" = "yes"; then
+  echo "CONFIG_NUMA=y" >> $config_host_mak
+fi
+
+if test "$ccache_cpp2" = "yes"; then
+  echo "export CCACHE_CPP2=y" >> $config_host_mak
+fi
+
+# build tree in object directory in case the source is not in the current directory
+DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests"
+DIRS="$DIRS fsdev"
+DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
+DIRS="$DIRS roms/seabios roms/vgabios"
+DIRS="$DIRS qapi-generated"
+FILES="Makefile tests/tcg/Makefile qdict-test-data.txt"
+FILES="$FILES tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
+FILES="$FILES tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
+FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"
+FILES="$FILES pc-bios/spapr-rtas/Makefile"
+FILES="$FILES pc-bios/s390-ccw/Makefile"
+FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
+FILES="$FILES pc-bios/qemu-icon.bmp"
+for bios_file in \
+    $source_path/pc-bios/*.bin \
+    $source_path/pc-bios/*.aml \
+    $source_path/pc-bios/*.rom \
+    $source_path/pc-bios/*.dtb \
+    $source_path/pc-bios/*.img \
+    $source_path/pc-bios/openbios-* \
+    $source_path/pc-bios/u-boot.* \
+    $source_path/pc-bios/palcode-*
+do
+    FILES="$FILES pc-bios/`basename $bios_file`"
+done
+for test_file in `find $source_path/tests/acpi-test-data -type f`
+do
+    FILES="$FILES tests/acpi-test-data`echo $test_file | sed -e 's/.*acpi-test-data//'`"
+done
+mkdir -p $DIRS
+for f in $FILES ; do
+    if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
+        symlink "$source_path/$f" "$f"
+    fi
+done
+
+# temporary config to build submodules
+for rom in seabios vgabios ; do
+    config_mak=roms/$rom/config.mak
+    echo "# Automatically generated by configure - do not modify" > $config_mak
+    echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
+    echo "AS=$as" >> $config_mak
+    echo "CC=$cc" >> $config_mak
+    echo "BCC=bcc" >> $config_mak
+    echo "CPP=$cpp" >> $config_mak
+    echo "OBJCOPY=objcopy" >> $config_mak
+    echo "IASL=$iasl" >> $config_mak
+    echo "LD=$ld" >> $config_mak
+done
+
+# set up qemu-iotests in this build directory
+iotests_common_env="tests/qemu-iotests/common.env"
+iotests_check="tests/qemu-iotests/check"
+
+echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
+echo >> "$iotests_common_env"
+echo "export PYTHON='$python'" >> "$iotests_common_env"
+
+if [ ! -e "$iotests_check" ]; then
+    symlink "$source_path/$iotests_check" "$iotests_check"
+fi
+
+# Save the configure command line for later reuse.
+cat <<EOD >config.status
+#!/bin/sh
+# Generated by configure.
+# Run this file to recreate the current configuration.
+# Compiler output produced by configure, useful for debugging
+# configure, is in config.log if it exists.
+EOD
+printf "exec" >>config.status
+printf " '%s'" "$0" "$@" >>config.status
+echo >>config.status
+chmod +x config.status
+
+rm -r "$TMPDIR1"