]> git.proxmox.com Git - qemu.git/blobdiff - configure
LAN9118 improvements
[qemu.git] / configure
index 863bf58e8a77b06b5b3208d4a426e78fd55daf8b..d815c7aa90cc9de144fe09c5bb8b97da1bb7808b 100755 (executable)
--- a/configure
+++ b/configure
@@ -13,7 +13,7 @@ fi
 
 TMPC="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.c"
 TMPO="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.o"
-TMPE="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}"
+TMPE="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.exe"
 
 trap "rm -f $TMPC $TMPO $TMPE ; exit" 0 2 3 15
 
@@ -38,6 +38,7 @@ cc="gcc"
 audio_drv_list=""
 audio_card_list="ac97 es1370 sb16"
 audio_possible_cards="ac97 es1370 sb16 cs4231a adlib gus"
+block_drv_whitelist=""
 host_cc="gcc"
 ar="ar"
 make="make"
@@ -48,6 +49,7 @@ helper_cflags=""
 libs_softmmu=""
 libs_tools=""
 audio_pt_int=""
+audio_win_int=""
 
 # parse CC options first
 for opt do
@@ -89,6 +91,26 @@ ar="${cross_prefix}${ar}"
 objcopy="${cross_prefix}${objcopy}"
 ld="${cross_prefix}${ld}"
 
+# default flags for all hosts
+QEMU_CFLAGS="-fno-strict-aliasing $QEMU_CFLAGS"
+CFLAGS="-g $CFLAGS"
+QEMU_CFLAGS="-Wall -Wundef -Wendif-labels -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_CFLAGS="-U_FORTIFY_SOURCE $QEMU_CFLAGS"
+QEMU_CFLAGS="-I. -I\$(SRC_PATH) $QEMU_CFLAGS"
+LDFLAGS="-g $LDFLAGS"
+
+gcc_flags="-Wold-style-declaration -Wold-style-definition"
+cat > $TMPC << EOF
+int main(void) { }
+EOF
+for flag in $gcc_flags; do
+    if compile_prog "$QEMU_CFLAGS" "$flag" ; then
+       QEMU_CFLAGS="$flag $QEMU_CFLAGS"
+    fi
+done
+
 # check that the C compiler works.
 cat > $TMPC <<EOF
 int main(void) {}
@@ -132,13 +154,15 @@ elif check_define _ARCH_PPC ; then
   else
     cpu="ppc"
   fi
+elif check_define __mips__ ; then
+  cpu="mips"
 else
   cpu=`uname -m`
 fi
 
 target_list=""
 case "$cpu" in
-  alpha|cris|ia64|m68k|microblaze|mips|mips64|ppc|ppc64|sparc64)
+  alpha|cris|ia64|m68k|microblaze|ppc|ppc64|sparc64)
     cpu="$cpu"
   ;;
   i386|i486|i586|i686|i86pc|BePC)
@@ -156,9 +180,15 @@ case "$cpu" in
   parisc|parisc64)
     cpu="hppa"
   ;;
-  s390*)
+  mips*)
+    cpu="mips"
+  ;;
+  s390)
     cpu="s390"
   ;;
+  s390x)
+    cpu="s390x"
+  ;;
   sparc|sun4[cdmuv])
     cpu="sparc"
   ;;
@@ -167,15 +197,17 @@ case "$cpu" in
   ;;
 esac
 
-# 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
-#  * foo="yes", this value vill only be set by --enable-foo flag.
-#                   feature will searched for, if not found, configure exits with error
+# 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 feature is not found
+# 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=""
@@ -187,6 +219,7 @@ kvm=""
 nptl=""
 sdl=""
 sparse="no"
+uuid=""
 vde=""
 vnc_tls=""
 vnc_sasl=""
@@ -222,6 +255,8 @@ aix="no"
 blobs="yes"
 pkgversion=""
 check_utests="no"
+user_pie="no"
+zero_malloc=""
 
 # OS specific
 if check_define __linux__ ; then
@@ -240,34 +275,41 @@ case $targetos in
 CYGWIN*)
   mingw32="yes"
   QEMU_CFLAGS="-mno-cygwin $QEMU_CFLAGS"
-  audio_possible_drivers="sdl"
+  audio_possible_drivers="winwave sdl"
+  audio_drv_list="winwave"
 ;;
 MINGW32*)
   mingw32="yes"
-  audio_possible_drivers="dsound sdl fmod"
+  audio_possible_drivers="winwave dsound sdl fmod"
+  audio_drv_list="winwave"
 ;;
 GNU/kFreeBSD)
+  bsd="yes"
   audio_drv_list="oss"
   audio_possible_drivers="oss sdl esd pa"
 ;;
 FreeBSD)
   bsd="yes"
+  make="gmake"
   audio_drv_list="oss"
   audio_possible_drivers="oss sdl esd pa"
 ;;
 DragonFly)
   bsd="yes"
+  make="gmake"
   audio_drv_list="oss"
   audio_possible_drivers="oss sdl esd pa"
 ;;
 NetBSD)
   bsd="yes"
+  make="gmake"
   audio_drv_list="oss"
   audio_possible_drivers="oss sdl esd"
   oss_lib="-lossaudio"
 ;;
 OpenBSD)
   bsd="yes"
+  make="gmake"
   audio_drv_list="oss"
   audio_possible_drivers="oss sdl esd"
   oss_lib="-lossaudio"
@@ -298,6 +340,7 @@ SunOS)
   solaris="yes"
   make="gmake"
   install="ginstall"
+  ld="gld"
   needs_libsunmath="no"
   solarisrev=`uname -r | cut -f2 -d.`
   # have to select again, because `uname -m` returns i86pc
@@ -326,6 +369,10 @@ SunOS)
     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"
   LIBS="-lsocket -lnsl -lresolv $LIBS"
 ;;
@@ -347,7 +394,6 @@ esac
 
 if [ "$bsd" = "yes" ] ; then
   if [ "$darwin" != "yes" ] ; then
-    make="gmake"
     usb="bsd"
   fi
   bsd_user="yes"
@@ -420,6 +466,8 @@ for opt do
   ;;
   --audio-drv-list=*) audio_drv_list="$optarg"
   ;;
+  --block-drv-whitelist=*) block_drv_whitelist=`echo "$optarg" | sed -e 's/,/ /g'`
+  ;;
   --enable-debug-tcg) debug_tcg="yes"
   ;;
   --disable-debug-tcg) debug_tcg="no"
@@ -446,6 +494,10 @@ for opt do
   ;;
   --disable-slirp) slirp="no"
   ;;
+  --disable-uuid) uuid="no"
+  ;;
+  --enable-uuid) uuid="yes"
+  ;;
   --disable-vde) vde="no"
   ;;
   --enable-vde) vde="yes"
@@ -499,6 +551,10 @@ for opt do
   ;;
   --disable-guest-base) guest_base="no"
   ;;
+  --enable-user-pie) user_pie="yes"
+  ;;
+  --disable-user-pie) user_pie="no"
+  ;;
   --enable-uname-release=*) uname_release="$optarg"
   ;;
   --sparc_cpu=*)
@@ -643,6 +699,8 @@ echo "  --audio-drv-list=LIST    set audio drivers list:"
 echo "                           Available drivers: $audio_possible_drivers"
 echo "  --audio-card-list=LIST   set list of emulated audio cards [$audio_card_list]"
 echo "                           Available cards: $audio_possible_cards"
+echo "  --block-drv-whitelist=L  set block driver whitelist"
+echo "                           (affects only QEMU, not qemu-img)"
 echo "  --enable-mixemu          enable mixer emulation"
 echo "  --disable-xen            disable xen backend driver support"
 echo "  --enable-xen             enable xen backend driver support"
@@ -665,7 +723,7 @@ echo "  --enable-bluez           enable bluez stack connectivity"
 echo "  --disable-kvm            disable KVM acceleration support"
 echo "  --enable-kvm             enable KVM acceleration support"
 echo "  --disable-nptl           disable usermode NPTL support"
-echo "  --enable-nptl            disable usermode NPTL support"
+echo "  --enable-nptl            enable usermode NPTL support"
 echo "  --enable-system          enable all system emulation targets"
 echo "  --disable-system         disable all system emulation targets"
 echo "  --enable-user            enable supported user emulation targets"
@@ -679,11 +737,15 @@ echo "  --disable-bsd-user       disable all BSD usermode emulation targets"
 echo "  --enable-guest-base      enable GUEST_BASE support for usermode"
 echo "                           emulation targets"
 echo "  --disable-guest-base     disable GUEST_BASE support"
+echo "  --enable-user-pie        build usermode emulation targets as PIE"
+echo "  --disable-user-pie       do not build usermode emulation targets as PIE"
 echo "  --fmod-lib               path to FMOD library"
 echo "  --fmod-inc               path to FMOD includes"
 echo "  --oss-lib                path to OSS library"
 echo "  --enable-uname-release=R Return R for uname -r in usermode emulation"
 echo "  --sparc_cpu=V            Build qemu for Sparc architecture v7, v8, v8plus, v8plusa, v9"
+echo "  --disable-uuid           disable uuid support"
+echo "  --enable-uuid            enable uuid support"
 echo "  --disable-vde            disable support for vde network"
 echo "  --enable-vde             enable support for vde network"
 echo "  --disable-linux-aio      disable Linux AIO support"
@@ -796,7 +858,7 @@ feature_not_found() {
 
   echo "ERROR"
   echo "ERROR: User requested feature $feature"
-  echo "ERROR: configure was not able to found it"
+  echo "ERROR: configure was not able to find it"
   echo "ERROR"
   exit 1;
 }
@@ -823,7 +885,7 @@ else
 
 # if cross compiling, cannot launch a program, so make a static guess
 case "$cpu" in
-  armv4b|hppa|m68k|mips|mips64|ppc|ppc64|s390|sparc|sparc64)
+  armv4b|hppa|m68k|mips|mips64|ppc|ppc64|s390|s390x|sparc|sparc64)
     bigendian=yes
   ;;
 esac
@@ -833,7 +895,7 @@ fi
 # host long bits test
 hostlongbits="32"
 case "$cpu" in
-  x86_64|alpha|ia64|sparc64|ppc64)
+  x86_64|alpha|ia64|sparc64|ppc64|s390x)
     hostlongbits=64
   ;;
 esac
@@ -1035,6 +1097,31 @@ if compile_prog "" "" ; then
    fnmatch="yes"
 fi
 
+##########################################
+# uuid_generate() probe, used for vdi block driver
+if test "$uuid" != "no" ; then
+  uuid_libs="-luuid"
+  cat > $TMPC << EOF
+#include <uuid/uuid.h>
+int main(void)
+{
+    uuid_t my_uuid;
+    uuid_generate(my_uuid);
+    return 0;
+}
+EOF
+  if compile_prog "" "$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"
+    fi
+    uuid=no
+  fi
+fi
+
 ##########################################
 # vde libraries probe
 if test "$vde" != "no" ; then
@@ -1113,9 +1200,9 @@ for drv in $audio_drv_list; do
     ;;
 
     pa)
-    audio_drv_probe $drv pulse/simple.h -lpulse-simple \
+    audio_drv_probe $drv pulse/simple.h "-lpulse-simple -lpulse" \
         "pa_simple *s = NULL; pa_simple_free(s); return 0;"
-    libs_softmmu="-lpulse-simple $libs_softmmu"
+    libs_softmmu="-lpulse -lpulse-simple $libs_softmmu"
     audio_pt_int="yes"
     ;;
 
@@ -1125,6 +1212,7 @@ for drv in $audio_drv_list; do
 
     dsound)
       libs_softmmu="-lole32 -ldxguid $libs_softmmu"
+      audio_win_int="yes"
     ;;
 
     oss)
@@ -1135,6 +1223,11 @@ for drv in $audio_drv_list; do
     # XXX: Probes for CoreAudio, DirectSound, SDL(?)
     ;;
 
+    winwave)
+      libs_softmmu="-lwinmm $libs_softmmu"
+      audio_win_int="yes"
+    ;;
+
     *)
     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
         echo
@@ -1285,6 +1378,8 @@ EOF
             kvm_cflags="$kvm_cflags -I$kerneldir/arch/x86/include"
        elif test "$cpu" = "ppc" -a -d "$kerneldir/arch/powerpc/include" ; then
            kvm_cflags="$kvm_cflags -I$kerneldir/arch/powerpc/include"
+       elif test "$cpu" = "s390x" -a -d "$kerneldir/arch/s390/include" ; then
+           kvm_cflags="$kvm_cflags -I$kerneldir/arch/s390/include"
         elif test -d "$kerneldir/arch/$cpu/include" ; then
             kvm_cflags="$kvm_cflags -I$kerneldir/arch/$cpu/include"
       fi
@@ -1339,7 +1434,6 @@ fi
 
 ##########################################
 # linux-aio probe
-AIOLIBS=""
 
 if test "$linux_aio" != "no" ; then
   cat > $TMPC <<EOF
@@ -1354,6 +1448,7 @@ EOF
     if test "$linux_aio" = "yes" ; then
       feature_not_found "linux AIO"
     fi
+    linux_aio=no
   fi
 fi
 
@@ -1481,6 +1576,23 @@ if compile_prog "" "" ; then
   pipe2=yes
 fi
 
+# check if accept4 is there
+accept4=no
+cat > $TMPC << EOF
+#define _GNU_SOURCE
+#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
@@ -1516,6 +1628,36 @@ if compile_prog "" "" ; then
   eventfd=yes
 fi
 
+# check for fallocate
+fallocate=no
+cat > $TMPC << EOF
+#include <fcntl.h>
+
+int main(void)
+{
+    fallocate(0, 0, 0, 0);
+    return 0;
+}
+EOF
+if compile_prog "$ARCH_CFLAGS" "" ; then
+  fallocate=yes
+fi
+
+# check for dup3
+dup3=no
+cat > $TMPC << EOF
+#include <unistd.h>
+
+int main(void)
+{
+    dup3(0, 0, 0);
+    return 0;
+}
+EOF
+if compile_prog "" "" ; then
+  dup3=yes
+fi
+
 # Check if tools are available to build documentation.
 if test "$docs" != "no" ; then
   if test -x "`which texi2html 2>/dev/null`" -a \
@@ -1529,7 +1671,7 @@ if test "$docs" != "no" ; then
   fi
 fi
 
-# Search for bsawp_32 function
+# Search for bswap_32 function
 byteswap_h=no
 cat > $TMPC << EOF
 #include <byteswap.h>
@@ -1539,7 +1681,7 @@ if compile_prog "" "" ; then
   byteswap_h=yes
 fi
 
-# Search for bsawp_32 function
+# Search for bswap_32 function
 bswap_h=no
 cat > $TMPC << EOF
 #include <sys/endian.h>
@@ -1584,7 +1726,7 @@ if check_linker_flags --whole-archive --no-whole-archive ; then
     arlibs_end="-Wl,--no-whole-archive"
 elif check_linker_flags -z,allextract -z,defaultextract ; then
     # Solaris ld
-    arlibs_begin"=-Wl,-z,allextract"
+    arlibs_begin="-Wl,-z,allextract"
     arlibs_end="-Wl,-z,defaultextract"
 elif check_linker_flags -all_load ; then
     # Mac OS X
@@ -1596,31 +1738,64 @@ else
     exit 1
 fi
 
-if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaries" != yes -a \
+if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaris" != yes -a \
         "$aix" != "yes" ; then
     libs_softmmu="-lutil $libs_softmmu"
 fi
 
+##########################################
+# check if the compiler defines offsetof
+
+need_offsetof=yes
+cat > $TMPC << EOF
+#include <stddef.h>
+int main(void) { struct s { int f; }; return offsetof(struct s, f); }
+EOF
+if compile_prog "" "" ; then
+    need_offsetof=no
+fi
+
+##########################################
+# check if the compiler understands attribute warn_unused_result
+#
+# This could be smarter, but gcc -Werror does not error out even when warning
+# about attribute warn_unused_result
+
+gcc_attribute_warn_unused_result=no
+cat > $TMPC << EOF
+#if defined(__GNUC__) && (__GNUC__ < 4) && defined(__GNUC_MINOR__) && (__GNUC__ < 4)
+#error gcc 3.3 or older
+#endif
+int main(void) { return 0;}
+EOF
+if compile_prog "" ""; then
+    gcc_attribute_warn_unused_result=yes
+fi
+
+##########################################
+# check if we have fdatasync
+
+fdatasync=no
+cat > $TMPC << EOF
+#include <unistd.h>
+int main(void) { return fdatasync(0); }
+EOF
+if compile_prog "" "" ; then
+    fdatasync=yes
+fi
+
 # End of CC checks
 # After here, no more $cc or $ld runs
 
-# default flags for all hosts
-QEMU_CFLAGS="-fno-strict-aliasing $QEMU_CFLAGS"
-CFLAGS="-g $CFLAGS"
 if test "$debug" = "no" ; then
   CFLAGS="-O2 $CFLAGS"
 fi
-QEMU_CFLAGS="-Wall -Wundef -Wendif-labels -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_CFLAGS="-U_FORTIFY_SOURCE $QEMU_CFLAGS"
-QEMU_CFLAGS="-I. -I\$(SRC_PATH) -MMD -MP -MT \$@ $QEMU_CFLAGS"
-LDFLAGS="-g $LDFLAGS"
 
 # 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
-    z_version=`cut -f3 -d. $source_path/VERSION`
     if test "$z_version" = "50" -a \
         "$linux" = "yes" ; then
         werror="yes"
@@ -1629,6 +1804,16 @@ if test -z "$werror" ; then
     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
+
 if test "$werror" = "yes" ; then
     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
 fi
@@ -1692,6 +1877,7 @@ echo "check support     $check_utests"
 echo "mingw32 support   $mingw32"
 echo "Audio drivers     $audio_drv_list"
 echo "Extra audio cards $audio_card_list"
+echo "Block whitelist   $block_drv_whitelist"
 echo "Mixer emulation   $mixemu"
 echo "VNC TLS support   $vnc_tls"
 echo "VNC SASL support  $vnc_sasl"
@@ -1706,6 +1892,7 @@ echo "Documentation     $docs"
 echo "uname -r          $uname_release"
 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"
@@ -1713,19 +1900,16 @@ echo "Install blobs     $blobs"
 echo "KVM support       $kvm"
 echo "fdt support       $fdt"
 echo "preadv support    $preadv"
+echo "fdatasync         $fdatasync"
+echo "uuid support      $uuid"
 
 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"
-config_host_h="config-host.h"
 config_host_ld="config-host.ld"
 
-#echo "Creating $config_host_mak and $config_host_h"
-
-test -f $config_host_h && mv $config_host_h ${config_host_h}~
-
 echo "# Automatically generated by configure - do not modify" > $config_host_mak
 printf "# Configured with:" >> $config_host_mak
 printf " '%s'" "$0" "$@" >> $config_host_mak
@@ -1734,7 +1918,7 @@ echo >> $config_host_mak
 echo "CONFIG_QEMU_SHAREDIR=\"$prefix$datasuffix\"" >> $config_host_mak
 
 case "$cpu" in
-  i386|x86_64|alpha|cris|hppa|ia64|m68k|microblaze|mips|mips64|ppc|ppc64|s390|sparc|sparc64)
+  i386|x86_64|alpha|cris|hppa|ia64|m68k|microblaze|mips|mips64|ppc|ppc64|s390|s390x|sparc|sparc64)
     ARCH=$cpu
   ;;
   armv4b|armv4l)
@@ -1765,6 +1949,10 @@ 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
@@ -1789,7 +1977,7 @@ if test $profiler = "yes" ; then
 fi
 if test "$slirp" = "yes" ; then
   echo "CONFIG_SLIRP=y" >> $config_host_mak
-  CFLAGS="-I\$(SRC_PATH)/slirp $CFLAGS"
+  QEMU_CFLAGS="-I\$(SRC_PATH)/slirp $QEMU_CFLAGS"
 fi
 if test "$vde" = "yes" ; then
   echo "CONFIG_VDE=y" >> $config_host_mak
@@ -1809,6 +1997,10 @@ done
 if test "$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" >> $config_host_mak
+fi
+echo "CONFIG_BDRV_WHITELIST=$block_drv_whitelist" >> $config_host_mak
 if test "$mixemu" = "yes" ; then
   echo "CONFIG_MIXEMU=y" >> $config_host_mak
 fi
@@ -1823,6 +2015,9 @@ fi
 if test "$fnmatch" = "yes" ; then
   echo "CONFIG_FNMATCH=y" >> $config_host_mak
 fi
+if test "$uuid" = "yes" ; then
+  echo "CONFIG_UUID=y" >> $config_host_mak
+fi
 qemu_version=`head $source_path/VERSION`
 echo "VERSION=$qemu_version" >>$config_host_mak
 echo "PKGVERSION=$pkgversion" >>$config_host_mak
@@ -1853,12 +2048,21 @@ fi
 if test "$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" >> $config_host_mak
 fi
+if test "$fallocate" = "yes" ; then
+  echo "CONFIG_FALLOCATE=y" >> $config_host_mak
+fi
+if test "$dup3" = "yes" ; then
+  echo "CONFIG_DUP3=y" >> $config_host_mak
+fi
 if test "$inotify" = "yes" ; then
   echo "CONFIG_INOTIFY=y" >> $config_host_mak
 fi
@@ -1900,6 +2104,15 @@ fi
 if test "$fdt" = "yes" ; then
   echo "CONFIG_FDT=y" >> $config_host_mak
 fi
+if test "$need_offsetof" = "yes" ; then
+  echo "CONFIG_NEED_OFFSETOF=y" >> $config_host_mak
+fi
+if test "$gcc_attribute_warn_unused_result" = "yes" ; then
+  echo "CONFIG_GCC_ATTRIBUTE_WARN_UNUSED_RESULT=y" >> $config_host_mak
+fi
+if test "$fdatasync" = "yes" ; then
+  echo "CONFIG_FDATASYNC=y" >> $config_host_mak
+fi
 
 # XXX: suppress that
 if [ "$bsd" = "yes" ] ; then
@@ -1908,6 +2121,10 @@ fi
 
 echo "CONFIG_UNAME_RELEASE=\"$uname_release\"" >> $config_host_mak
 
+if test "$zero_malloc" = "yes" ; then
+  echo "CONFIG_ZERO_MALLOC=y" >> $config_host_mak
+fi
+
 # USB host support
 case "$usb" in
 linux)
@@ -1923,14 +2140,13 @@ esac
 
 tools=
 if test `expr "$target_list" : ".*softmmu.*"` != 0 ; then
-  tools="qemu-img\$(EXESUF) $tools"
+  tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
   if [ "$linux" = "yes" ] ; then
-      tools="qemu-nbd\$(EXESUF) qemu-io\$(EXESUF) $tools"
+      tools="qemu-nbd\$(EXESUF) $tools"
     if [ "$check_utests" = "yes" ]; then
-      tools="check-qint check-qstring check-qdict $tools"
+      tools="check-qint check-qstring check-qdict check-qlist $tools"
+      tools="check-qfloat check-qjson $tools"
     fi
-  elif test "$mingw32" = "yes" ; then
-      tools="qemu-io\$(EXESUF) $tools"
   fi
 fi
 echo "TOOLS=$tools" >> $config_host_mak
@@ -1938,7 +2154,8 @@ echo "TOOLS=$tools" >> $config_host_mak
 # Mac OS X ships with a broken assembler
 roms=
 if test \( "$cpu" = "i386" -o "$cpu" = "x86_64" \) -a \
-        "$targetos" != "Darwin" ; then
+        "$targetos" != "Darwin" -a "$targetos" != "SunOS" -a \
+        `expr "$target_list" : ".*softmmu.*"` != 0 ; then
   roms="optionrom"
 fi
 echo "ROMS=$roms" >> $config_host_mak
@@ -1973,18 +2190,6 @@ echo "LIBS+=$LIBS" >> $config_host_mak
 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
 echo "EXESUF=$EXESUF" >> $config_host_mak
 
-echo "/* Automatically generated by configure - do not modify */" > $config_host_h
-
-/bin/sh $source_path/create_config < $config_host_mak >> $config_host_h
-
-if test -f ${config_host_h}~ ; then
-  if cmp -s $config_host_h ${config_host_h}~ ; then
-    mv ${config_host_h}~ $config_host_h
-  else
-    rm ${config_host_h}~
-  fi
-fi
-
 # generate list of library paths for linker script
 
 $ld --verbose -v 2> /dev/null | grep SEARCH_DIR > ${config_host_ld}
@@ -1999,12 +2204,12 @@ fi
 
 for target in $target_list; do
 target_dir="$target"
-config_mak=$target_dir/config.mak
-config_h=$target_dir/config.h
+config_target_mak=$target_dir/config-target.mak
 target_arch2=`echo $target | cut -d '-' -f 1`
 target_bigendian="no"
+
 case "$target_arch2" in
-  armeb|m68k|microblaze|mips|mipsn32|mips64|ppc|ppcemb|ppc64|ppc64abi32|sh4eb|sparc|sparc64|sparc32plus)
+  armeb|m68k|microblaze|mips|mipsn32|mips64|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus)
   target_bigendian=yes
   ;;
 esac
@@ -2018,14 +2223,26 @@ case "$target" in
     target_softmmu="yes"
     ;;
   ${target_arch2}-linux-user)
+    if test "$linux" != "yes" ; then
+      echo "ERROR: Target '$target' is only available on a Linux host"
+      exit 1
+    fi
     target_user_only="yes"
     target_linux_user="yes"
     ;;
   ${target_arch2}-darwin-user)
+    if test "$darwin" != "yes" ; then
+      echo "ERROR: Target '$target' is only available on a Darwin host"
+      exit 1
+    fi
     target_user_only="yes"
     target_darwin_user="yes"
     ;;
   ${target_arch2}-bsd-user)
+    if test "$bsd" != "yes" ; then
+      echo "ERROR: Target '$target' is only available on a BSD host"
+      exit 1
+    fi
     target_user_only="yes"
     target_bsd_user="yes"
     ;;
@@ -2035,10 +2252,6 @@ case "$target" in
     ;;
 esac
 
-#echo "Creating $config_mak, $config_h and $target_dir/Makefile"
-
-test -f $config_h && mv $config_h ${config_h}~
-
 mkdir -p $target_dir
 mkdir -p $target_dir/fpu
 mkdir -p $target_dir/tcg
@@ -2054,15 +2267,13 @@ rm -f $target_dir/Makefile
 ln -s $source_path/Makefile.target $target_dir/Makefile
 
 
-echo "# Automatically generated by configure - do not modify" > $config_mak
-
-echo "include ../config-host.mak" >> $config_mak
+echo "# Automatically generated by configure - do not modify" > $config_target_mak
 
 bflt="no"
 elfload32="no"
 target_nptl="no"
 interp_prefix1=`echo "$interp_prefix" | sed "s/%M/$target_arch2/g"`
-echo "CONFIG_QEMU_PREFIX=\"$interp_prefix1\"" >> $config_mak
+echo "CONFIG_QEMU_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
 gdb_xml_files=""
 
 TARGET_ARCH="$target_arch2"
@@ -2103,20 +2314,20 @@ case "$target_arch2" in
   ;;
   mips|mipsel)
     TARGET_ARCH=mips
-    echo "TARGET_ABI_MIPSO32=y" >> $config_mak
+    echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
     target_nptl="yes"
     target_phys_bits=64
   ;;
   mipsn32|mipsn32el)
     TARGET_ARCH=mipsn32
     TARGET_BASE_ARCH=mips
-    echo "TARGET_ABI_MIPSN32=y" >> $config_mak
+    echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
     target_phys_bits=64
   ;;
   mips64|mips64el)
     TARGET_ARCH=mips64
     TARGET_BASE_ARCH=mips
-    echo "TARGET_ABI_MIPSN64=y" >> $config_mak
+    echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
     target_phys_bits=64
   ;;
   ppc)
@@ -2141,7 +2352,7 @@ case "$target_arch2" in
     TARGET_ARCH=ppc64
     TARGET_BASE_ARCH=ppc
     TARGET_ABI_DIR=ppc
-    echo "TARGET_ABI32=y" >> $config_mak
+    echo "TARGET_ABI32=y" >> $config_target_mak
     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
     target_phys_bits=64
   ;;
@@ -2163,7 +2374,10 @@ case "$target_arch2" in
     TARGET_ARCH=sparc64
     TARGET_BASE_ARCH=sparc
     TARGET_ABI_DIR=sparc
-    echo "TARGET_ABI32=y" >> $config_mak
+    echo "TARGET_ABI32=y" >> $config_target_mak
+    target_phys_bits=64
+  ;;
+  s390x)
     target_phys_bits=64
   ;;
   *)
@@ -2171,30 +2385,30 @@ case "$target_arch2" in
     exit 1
   ;;
 esac
-echo "TARGET_ARCH=$TARGET_ARCH" >> $config_mak
+echo "TARGET_ARCH=$TARGET_ARCH" >> $config_target_mak
 target_arch_name="`echo $TARGET_ARCH | tr '[:lower:]' '[:upper:]'`"
-echo "TARGET_$target_arch_name=y" >> $config_mak
-echo "TARGET_ARCH2=$target_arch2" >> $config_mak
+echo "TARGET_$target_arch_name=y" >> $config_target_mak
+echo "TARGET_ARCH2=$target_arch2" >> $config_target_mak
 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
 if [ "$TARGET_BASE_ARCH" = "" ]; then
   TARGET_BASE_ARCH=$TARGET_ARCH
 fi
-echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_mak
+echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
 if [ "$TARGET_ABI_DIR" = "" ]; then
   TARGET_ABI_DIR=$TARGET_ARCH
 fi
-echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_mak
+echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
 if [ $target_phys_bits -lt $hostlongbits ] ; then
   target_phys_bits=$hostlongbits
 fi
 case "$target_arch2" in
   i386|x86_64)
     if test "$xen" = "yes" -a "$target_softmmu" = "yes" ; then
-      echo "CONFIG_XEN=y" >> $config_mak
+      echo "CONFIG_XEN=y" >> $config_target_mak
     fi
 esac
 case "$target_arch2" in
-  i386|x86_64|ppcemb|ppc|ppc64)
+  i386|x86_64|ppcemb|ppc|ppc64|s390x)
     # Make sure the target and host cpus are compatible
     if test "$kvm" = "yes" -a "$target_softmmu" = "yes" -a \
       \( "$target_arch2" = "$cpu" -o \
@@ -2202,62 +2416,62 @@ case "$target_arch2" in
       \( "$target_arch2" = "ppc64"  -a "$cpu" = "ppc" \) -o \
       \( "$target_arch2" = "x86_64" -a "$cpu" = "i386"   \) -o \
       \( "$target_arch2" = "i386"   -a "$cpu" = "x86_64" \) \) ; then
-      echo "CONFIG_KVM=y" >> $config_mak
-      echo "KVM_CFLAGS=$kvm_cflags" >> $config_mak
+      echo "CONFIG_KVM=y" >> $config_target_mak
+      echo "KVM_CFLAGS=$kvm_cflags" >> $config_target_mak
     fi
 esac
-echo "HWLIB=../libhw$target_phys_bits/libqemuhw$target_phys_bits.a" >> $config_mak
-echo "TARGET_PHYS_ADDR_BITS=$target_phys_bits" >> $config_mak
-echo "subdir-$target: subdir-libhw$target_phys_bits" >> $config_host_mak
+echo "TARGET_PHYS_ADDR_BITS=$target_phys_bits" >> $config_target_mak
 if test "$target_bigendian" = "yes" ; then
-  echo "TARGET_WORDS_BIGENDIAN=y" >> $config_mak
+  echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
 fi
 if test "$target_softmmu" = "yes" ; then
-  echo "CONFIG_SOFTMMU=y" >> $config_mak
-  echo "LIBS+=$libs_softmmu" >> $config_mak
+  echo "CONFIG_SOFTMMU=y" >> $config_target_mak
+  echo "LIBS+=$libs_softmmu" >> $config_target_mak
+  echo "HWLIB=../libhw$target_phys_bits/libqemuhw$target_phys_bits.a" >> $config_target_mak
+  echo "subdir-$target: subdir-libhw$target_phys_bits" >> $config_host_mak
 fi
 if test "$target_user_only" = "yes" ; then
-  echo "CONFIG_USER_ONLY=y" >> $config_mak
+  echo "CONFIG_USER_ONLY=y" >> $config_target_mak
 fi
 if test "$target_linux_user" = "yes" ; then
-  echo "CONFIG_LINUX_USER=y" >> $config_mak
+  echo "CONFIG_LINUX_USER=y" >> $config_target_mak
 fi
 if test "$target_darwin_user" = "yes" ; then
-  echo "CONFIG_DARWIN_USER=y" >> $config_mak
+  echo "CONFIG_DARWIN_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" >> $config_target_mak
 fi
-echo "TARGET_XML_FILES=$list" >> $config_mak
 
 case "$target_arch2" in
-  arm|armeb|m68k|microblaze|mips|mipsel|mipsn32|mipsn32el|mips64|mips64el|ppc|ppc64|ppc64abi32|ppcemb|sparc|sparc64|sparc32plus)
-    echo "CONFIG_SOFTFLOAT=y" >> $config_mak
+  alpha|arm|armeb|m68k|microblaze|mips|mipsel|mipsn32|mipsn32el|mips64|mips64el|ppc|ppc64|ppc64abi32|ppcemb|s390x|sparc|sparc64|sparc32plus)
+    echo "CONFIG_SOFTFLOAT=y" >> $config_target_mak
     ;;
   *)
-    echo "CONFIG_NOSOFTFLOAT=y" >> $config_mak
+    echo "CONFIG_NOSOFTFLOAT=y" >> $config_target_mak
     ;;
 esac
 
 if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
-  echo "TARGET_HAS_BFLT=y" >> $config_mak
+  echo "TARGET_HAS_BFLT=y" >> $config_target_mak
 fi
 if test "$target_user_only" = "yes" \
         -a "$nptl" = "yes" -a "$target_nptl" = "yes"; then
-  echo "CONFIG_USE_NPTL=y" >> $config_mak
+  echo "CONFIG_USE_NPTL=y" >> $config_target_mak
 fi
 # 32 bit ELF loader in addition to native 64 bit loader?
 if test "$target_user_only" = "yes" -a "$elfload32" = "yes"; then
-  echo "TARGET_HAS_ELFLOAD32=y" >> $config_mak
+  echo "TARGET_HAS_ELFLOAD32=y" >> $config_target_mak
 fi
 if test "$target_user_only" = "yes" -a "$guest_base" = "yes"; then
-  echo "CONFIG_USE_GUEST_BASE=y" >> $config_mak
+  echo "CONFIG_USE_GUEST_BASE=y" >> $config_target_mak
 fi
 if test "$target_bsd_user" = "yes" ; then
-  echo "CONFIG_BSD_USER=y" >> $config_mak
+  echo "CONFIG_BSD_USER=y" >> $config_target_mak
 fi
 
 # generate QEMU_CFLAGS/LDFLAGS for targets
@@ -2267,6 +2481,8 @@ ldflags=""
 
 if test "$ARCH" = "sparc64" ; then
   cflags="-I\$(SRC_PATH)/tcg/sparc $cflags"
+elif test "$ARCH" = "s390x" ; then
+  cflags="-I\$(SRC_PATH)/tcg/s390 $cflags"
 else
   cflags="-I\$(SRC_PATH)/tcg/\$(ARCH) $cflags"
 fi
@@ -2276,40 +2492,40 @@ cflags="-I\$(SRC_PATH)/fpu $cflags"
 for i in $ARCH $TARGET_BASE_ARCH ; do
   case "$i" in
   alpha)
-    echo "CONFIG_ALPHA_DIS=y"  >> $config_mak
+    echo "CONFIG_ALPHA_DIS=y"  >> $config_target_mak
   ;;
   arm)
-    echo "CONFIG_ARM_DIS=y"  >> $config_mak
+    echo "CONFIG_ARM_DIS=y"  >> $config_target_mak
   ;;
   cris)
-    echo "CONFIG_CRIS_DIS=y"  >> $config_mak
+    echo "CONFIG_CRIS_DIS=y"  >> $config_target_mak
   ;;
   hppa)
-    echo "CONFIG_HPPA_DIS=y"  >> $config_mak
+    echo "CONFIG_HPPA_DIS=y"  >> $config_target_mak
   ;;
   i386|x86_64)
-    echo "CONFIG_I386_DIS=y"  >> $config_mak
+    echo "CONFIG_I386_DIS=y"  >> $config_target_mak
   ;;
   m68k)
-    echo "CONFIG_M68K_DIS=y"  >> $config_mak
+    echo "CONFIG_M68K_DIS=y"  >> $config_target_mak
   ;;
   microblaze)
-    echo "CONFIG_MICROBLAZE_DIS=y"  >> $config_mak
+    echo "CONFIG_MICROBLAZE_DIS=y"  >> $config_target_mak
   ;;
   mips*)
-    echo "CONFIG_MIPS_DIS=y"  >> $config_mak
+    echo "CONFIG_MIPS_DIS=y"  >> $config_target_mak
   ;;
   ppc*)
-    echo "CONFIG_PPC_DIS=y"  >> $config_mak
+    echo "CONFIG_PPC_DIS=y"  >> $config_target_mak
   ;;
-  s390)
-    echo "CONFIG_S390_DIS=y"  >> $config_mak
+  s390*)
+    echo "CONFIG_S390_DIS=y"  >> $config_target_mak
   ;;
   sh4)
-    echo "CONFIG_SH4_DIS=y"  >> $config_mak
+    echo "CONFIG_SH4_DIS=y"  >> $config_target_mak
   ;;
   sparc*)
-    echo "CONFIG_SPARC_DIS=y"  >> $config_mak
+    echo "CONFIG_SPARC_DIS=y"  >> $config_target_mak
   ;;
   esac
 done
@@ -2335,37 +2551,33 @@ if test "$target_softmmu" = "yes" ; then
   esac
 fi
 
+if test "$target_user_only" = "yes" -a "$static" = "no" -a \
+       "$user_pie" = "yes" ; then
+  cflags="-fpie $cflags"
+  ldflags="-pie $ldflags"
+fi
+
 if test "$target_softmmu" = "yes" -a \( \
         "$TARGET_ARCH" = "microblaze" -o \
         "$TARGET_ARCH" = "cris" \) ; then
-  echo "CONFIG_NEED_MMU=y" >> $config_mak
+  echo "CONFIG_NEED_MMU=y" >> $config_target_mak
 fi
 
 if test "$gprof" = "yes" ; then
-  echo "TARGET_GPROF=yes" >> $config_mak
+  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_mak
+    echo "GPROF_CFLAGS=-p" >> $config_target_mak
   fi
 fi
 
 linker_script="-Wl,-T../config-host.ld -Wl,-T,\$(SRC_PATH)/\$(ARCH).ld"
 if test "$target_linux_user" = "yes" -o "$target_bsd_user" = "yes" ; then
   case "$ARCH" in
-  i386)
-    if test "$gprof" = "yes" -o "$static" = "yes" ; then
-      ldflags="$linker_script $ldflags"
-    else
-      # WARNING: this LDFLAGS is _very_ tricky : qemu is an ELF shared object
-      # that the kernel ELF loader considers as an executable. I think this
-      # is the simplest way to make it self virtualizable!
-      ldflags="-Wl,-shared $ldflags"
-    fi
-    ;;
   sparc)
     # -static is used to avoid g1/g3 usage by the dynamic linker
     ldflags="$linker_script -static $ldflags"
@@ -2373,7 +2585,7 @@ if test "$target_linux_user" = "yes" -o "$target_bsd_user" = "yes" ; then
   ia64)
     ldflags="-Wl,-G0 $linker_script -static $ldflags"
     ;;
-  x86_64|ppc|ppc64|s390|sparc64|alpha|arm|m68k|mips|mips64)
+  i386|x86_64|ppc|ppc64|s390|sparc64|alpha|arm|m68k|mips|mips64)
     ldflags="$linker_script $ldflags"
     ;;
   esac
@@ -2386,33 +2598,20 @@ if test "$target_softmmu" = "yes" ; then
   esac
 fi
 
-echo "LDFLAGS+=$ldflags" >> $config_mak
-echo "QEMU_CFLAGS+=$cflags" >> $config_mak
-
-echo "/* Automatically generated by configure - do not modify */" > $config_h
-echo "#include \"../config-host.h\"" >> $config_h
-
-/bin/sh $source_path/create_config < $config_mak >> $config_h
-
-if test -f ${config_h}~ ; then
-  if cmp -s $config_h ${config_h}~ ; then
-    mv ${config_h}~ $config_h
-  else
-    rm ${config_h}~
-  fi
-fi
+echo "LDFLAGS+=$ldflags" >> $config_target_mak
+echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
 
 done # for target in $targets
 
 # build tree in object directory if source path is different from current one
 if test "$source_path_used" = "yes" ; then
-    DIRS="tests tests/cris slirp audio block pc-bios/optionrom"
-    DIRS="$DIRS roms/pcbios roms/seabios roms/vgabios"
+    DIRS="tests tests/cris slirp audio block net pc-bios/optionrom"
+    DIRS="$DIRS roms/seabios roms/vgabios"
     FILES="Makefile tests/Makefile"
     FILES="$FILES tests/cris/Makefile tests/cris/.gdbinit"
     FILES="$FILES tests/test-mmap.c"
     FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps pc-bios/video.x"
-    FILES="$FILES roms/pcbios/Makefile roms/seabios/Makefile roms/vgabios/Makefile"
+    FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
     for bios_file in $source_path/pc-bios/*.bin $source_path/pc-bios/*.dtb $source_path/pc-bios/openbios-*; do
         FILES="$FILES pc-bios/`basename $bios_file`"
     done
@@ -2427,7 +2626,7 @@ if test "$source_path_used" = "yes" ; then
 fi
 
 # temporary config to build submodules
-for rom in seabios vgabios pcbios; do
+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" >> $config_mak
@@ -2448,3 +2647,11 @@ for hwlib in 32 64; do
   echo "HWLIB=libqemuhw$hwlib.a" > $d/config.mak
   echo "QEMU_CFLAGS+=-DTARGET_PHYS_ADDR_BITS=$hwlib" >> $d/config.mak
 done
+
+d=libuser
+mkdir -p $d
+rm -f $d/Makefile
+ln -s $source_path/Makefile.user $d/Makefile
+if test "$static" = "no" -a "$user_pie" = "yes" ; then
+  echo "QEMU_CFLAGS+=-fpie" > $d/config.mak
+fi