main: force enabling of I/O thread

[qemu.git] / configure

diff --git a/configure b/configure
index 1eed0cd5854b1335a267a3f3d431dc399b3e6a9a..eba6fc611bef1680b3c4046a1602149312eafdf0 100755 (executable)
--- a/configure
+++ b/configure
@@ -92,6 +92,7 @@ libs_tools=""
 audio_pt_int=""
 audio_win_int=""
 cc_i386=i386-pc-linux-gnu-gcc
+libs_qga=""
 
 target_list=""
 
@@ -113,7 +114,6 @@ curl=""
 curses=""
 docs=""
 fdt=""
-kvm=""
 nptl=""
 sdl=""
 vnc="yes"
@@ -129,9 +129,10 @@ xen=""
 xen_ctrl_version=""
 linux_aio=""
 attr=""
-vhost_net=""
 xfs=""
 
+vhost_net="no"
+kvm="no"
 gprof="no"
 debug_tcg="no"
 debug_mon="no"
@@ -164,7 +165,6 @@ darwin_user="no"
 bsd_user="no"
 guest_base=""
 uname_release=""
-io_thread="no"
 mixemu="no"
 aix="no"
 blobs="yes"
@@ -181,6 +181,7 @@ smartcard_nss=""
 usb_redir=""
 opengl=""
 zlib="yes"
+guest_agent="yes"
 
 # parse CC options first
 for opt do
@@ -219,14 +220,15 @@ done
 # Using uname is really, really broken.  Once we have the right set of checks
 # we can eliminate it's usage altogether
 
-cc="${cross_prefix}${CC-gcc}"
-ar="${cross_prefix}${AR-ar}"
-objcopy="${cross_prefix}${OBJCOPY-objcopy}"
-ld="${cross_prefix}${LD-ld}"
-strip="${cross_prefix}${STRIP-strip}"
-windres="${cross_prefix}${WINDRES-windres}"
-pkg_config="${cross_prefix}${PKG_CONFIG-pkg-config}"
-sdl_config="${cross_prefix}${SDL_CONFIG-sdl-config}"
+cc="${CC-${cross_prefix}gcc}"
+ar="${AR-${cross_prefix}ar}"
+objcopy="${OBJCOPY-${cross_prefix}objcopy}"
+ld="${LD-${cross_prefix}ld}"
+libtool="${LIBTOOL-${cross_prefix}libtool}"
+strip="${STRIP-${cross_prefix}strip}"
+windres="${WINDRES-${cross_prefix}windres}"
+pkg_config="${PKG_CONFIG-${cross_prefix}pkg-config}"
+sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
 
 # default flags for all hosts
 QEMU_CFLAGS="-fno-strict-aliasing $QEMU_CFLAGS"
@@ -492,6 +494,7 @@ if test "$mingw32" = "yes" ; then
   bindir="\${prefix}"
   sysconfdir="\${prefix}"
   confsuffix=""
+  guest_agent="no"
 fi
 
 werror=""
@@ -719,8 +722,6 @@ for opt do
   ;;
   --enable-attr) attr="yes"
   ;;
-  --enable-io-thread) io_thread="yes"
-  ;;
   --disable-blobs) blobs="no"
   ;;
   --with-pkgversion=*) pkgversion=" ($optarg)"
@@ -757,6 +758,10 @@ for opt do
   ;;
   --disable-zlib-test) zlib="no"
   ;;
+  --enable-guest-agent) guest_agent="yes"
+  ;;
+  --disable-guest-agent) guest_agent="no"
+  ;;
   *) echo "ERROR: unknown option $opt"; show_help="yes"
   ;;
   esac
@@ -846,7 +851,6 @@ if [ "$softmmu" = "yes" ] ; then
     default_target_list="\
 i386-softmmu \
 x86_64-softmmu \
-alpha-softmmu \
 arm-softmmu \
 cris-softmmu \
 lm32-softmmu \
@@ -1035,6 +1039,8 @@ echo "  --disable-smartcard-nss  disable smartcard nss support"
 echo "  --enable-smartcard-nss   enable smartcard nss support"
 echo "  --disable-usb-redir      disable usb network redirection support"
 echo "  --enable-usb-redir       enable usb network redirection support"
+echo "  --disable-guest-agent    disable building of the QEMU Guest Agent"
+echo "  --enable-guest-agent     enable building of the QEMU Guest Agent"
 echo ""
 echo "NOTE: The object files are built at the place where configure is launched"
 exit 1
@@ -1094,11 +1100,13 @@ if test "$solaris" = "yes" ; then
   fi
 fi
 
-if has $python; then
-  :
-else
-  echo "Python not found. Use --python=/path/to/python"
-  exit 1
+if test "$guest_agent" != "no" ; then
+  if has $python; then
+    :
+  else
+    echo "Python not found. Use --python=/path/to/python"
+    exit 1
+  fi
 fi
 
 if test -z "$target_list" ; then
@@ -1332,10 +1340,8 @@ fi
 ##########################################
 # libtool probe
 
-if ! has libtool; then
+if ! has $libtool; then
     libtool=
-else
-    libtool=libtool
 fi
 
 ##########################################
@@ -1513,11 +1519,17 @@ int main(void) {
     return 0;
 }
 EOF
+  if $pkg_config libpng --modversion >/dev/null 2>&1; then
+    vnc_png_cflags=`$pkg_config libpng --cflags 2> /dev/null`
+    vnc_png_libs=`$pkg_config libpng --libs 2> /dev/null`
+  else
     vnc_png_cflags=""
     vnc_png_libs="-lpng"
+  fi
   if compile_prog "$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"
@@ -1830,11 +1842,11 @@ fi
 
 ##########################################
 # glib support probe
-if $pkg_config --modversion glib-2.0 > /dev/null 2>&1 ; then
-    glib_cflags=`$pkg_config --cflags glib-2.0 2>/dev/null`
-    glib_libs=`$pkg_config --libs glib-2.0 2>/dev/null`
-    libs_softmmu="$glib_libs $libs_softmmu"
-    libs_tools="$glib_libs $libs_tools"
+if $pkg_config --modversion gthread-2.0 > /dev/null 2>&1 ; then
+    glib_cflags=`$pkg_config --cflags gthread-2.0 2>/dev/null`
+    glib_libs=`$pkg_config --libs gthread-2.0 2>/dev/null`
+    LIBS="$glib_libs $LIBS"
+    libs_qga="$glib_libs $libs_qga"
 else
     echo "glib-2.0 required to compile QEMU"
     exit 1
@@ -1842,7 +1854,7 @@ fi
 
 ##########################################
 # pthread probe
-PTHREADLIBS_LIST="-lpthread -lpthreadGC2"
+PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
 
 pthread=no
 cat > $TMPC << EOF
@@ -2143,12 +2155,6 @@ EOF
 
 if compile_prog "" "" ; then
   signalfd=yes
-elif test "$kvm" = "yes" -a "$io_thread" != "yes"; then
-  echo
-  echo "ERROR: Host kernel lacks signalfd() support,"
-  echo "but KVM depends on it when the IO thread is disabled."
-  echo
-  exit 1
 fi
 
 # check if eventfd is supported
@@ -2521,7 +2527,7 @@ 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 $vhost_net = "yes" && test $cpu = "i386"; then
+if test "$vhost_net" = "yes" && test "$cpu" = "i386"; then
   cat > $TMPC << EOF
 int sfaa(unsigned *ptr)
 {
@@ -2611,7 +2617,9 @@ if test "$softmmu" = yes ; then
   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
       tools="qemu-nbd\$(EXESUF) $tools"
+    if [ "$guest_agent" = "yes" ]; then
       tools="qemu-ga\$(EXESUF) $tools"
+    fi
     if [ "$check_utests" = "yes" ]; then
       tools="check-qint check-qstring check-qdict check-qlist $tools"
       tools="check-qfloat check-qjson $tools"
@@ -2693,7 +2701,6 @@ echo "NPTL support      $nptl"
 echo "GUEST_BASE        $guest_base"
 echo "PIE user targets  $user_pie"
 echo "vde support       $vde"
-echo "IO thread         $io_thread"
 echo "Linux AIO support $linux_aio"
 echo "ATTR/XATTR support $attr"
 echo "Install blobs     $blobs"
@@ -2713,8 +2720,9 @@ echo "xfsctl support    $xfs"
 echo "nss used          $smartcard_nss"
 echo "usb net redir     $usb_redir"
 echo "OpenGL support    $opengl"
+echo "build guest agent $guest_agent"
 
-if test $sdl_too_old = "yes"; then
+if test "$sdl_too_old" = "yes"; then
 echo "-> Your SDL version is too old - please upgrade to have SDL support"
 fi
 
@@ -2802,7 +2810,7 @@ fi
 if test "$static" = "yes" ; then
   echo "CONFIG_STATIC=y" >> $config_host_mak
 fi
-if test $profiler = "yes" ; then
+if test "$profiler" = "yes" ; then
   echo "CONFIG_PROFILER=y" >> $config_host_mak
 fi
 if test "$slirp" = "yes" ; then
@@ -2950,9 +2958,6 @@ if test "$xen" = "yes" ; then
   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
 fi
-if test "$io_thread" = "yes" ; then
-  echo "CONFIG_IOTHREAD=y" >> $config_host_mak
-fi
 if test "$linux_aio" = "yes" ; then
   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
 fi
@@ -3046,18 +3051,35 @@ bsd)
 ;;
 esac
 
+# use default implementation for tracing backend-specific routines
+trace_default=yes
 echo "TRACE_BACKEND=$trace_backend" >> $config_host_mak
-if test "$trace_backend" = "simple"; then
-  echo "CONFIG_SIMPLE_TRACE=y" >> $config_host_mak
+if test "$trace_backend" = "nop"; then
+  echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
 fi
-# Set the appropriate trace file.
 if test "$trace_backend" = "simple"; then
+  echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
+  trace_default=no
+  # Set the appropriate trace file.
   trace_file="\"$trace_file-\" FMT_pid"
 fi
-if test "$trace_backend" = "dtrace" -a "$trace_backend_stap" = "yes" ; then
-  echo "CONFIG_SYSTEMTAP_TRACE=y" >> $config_host_mak
+if test "$trace_backend" = "stderr"; then
+  echo "CONFIG_TRACE_STDERR=y" >> $config_host_mak
+  trace_default=no
+fi
+if test "$trace_backend" = "ust"; then
+  echo "CONFIG_TRACE_UST=y" >> $config_host_mak
+fi
+if test "$trace_backend" = "dtrace"; then
+  echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
+  if test "$trace_backend_stap" = "yes" ; then
+    echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
+  fi
 fi
 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
+if test "$trace_default" = "yes"; then
+  echo "CONFIG_TRACE_DEFAULT=y" >> $config_host_mak
+fi
 
 echo "TOOLS=$tools" >> $config_host_mak
 echo "ROMS=$roms" >> $config_host_mak
@@ -3090,6 +3112,7 @@ echo "ARLIBS_END=$arlibs_end" >> $config_host_mak
 echo "LIBS+=$LIBS" >> $config_host_mak
 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
 echo "EXESUF=$EXESUF" >> $config_host_mak
+echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
 
 # generate list of library paths for linker script
 
@@ -3360,7 +3383,7 @@ case "$target_arch2" in
       \( "$target_arch2" = "x86_64" -a "$cpu" = "i386"   \) -o \
       \( "$target_arch2" = "i386"   -a "$cpu" = "x86_64" \) \) ; then
       echo "CONFIG_KVM=y" >> $config_target_mak
-      if test $vhost_net = "yes" ; then
+      if test "$vhost_net" = "yes" ; then
         echo "CONFIG_VHOST_NET=y" >> $config_target_mak
       fi
     fi
@@ -3581,7 +3604,7 @@ DIRS="$DIRS pc-bios/spapr-rtas"
 DIRS="$DIRS roms/seabios roms/vgabios"
 DIRS="$DIRS fsdev ui"
 DIRS="$DIRS qapi"
-DIRS="$DIRS qga"
+DIRS="$DIRS qga trace"
 FILES="Makefile tests/Makefile"
 FILES="$FILES tests/cris/Makefile tests/cris/.gdbinit"
 FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"