]> git.proxmox.com Git - mirror_qemu.git/blobdiff - meson.build
tests/qtest: Support libqtest to build and run on Windows
[mirror_qemu.git] / meson.build
index 21cd949082dc7fb5251db771920793c6b9e40e81..b686dfef7567b0c691d1ba6a612b00ddda1d6ced 100644 (file)
@@ -1,4 +1,4 @@
-project('qemu', ['c'], meson_version: '>=0.59.3',
+project('qemu', ['c'], meson_version: '>=0.61.3',
         default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
                           'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
         version: files('VERSION'))
@@ -7,6 +7,8 @@ add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true)
 add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
 add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
 
+meson.add_postconf_script(find_program('scripts/symlink-install-tree.py'))
+
 not_found = dependency('', required: false)
 keyval = import('keyval')
 ss = import('sourceset')
@@ -178,10 +180,17 @@ endif
 ##################
 
 qemu_cflags = config_host['QEMU_CFLAGS'].split()
-qemu_cxxflags = config_host['QEMU_CXXFLAGS'].split()
 qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split()
 qemu_ldflags = config_host['QEMU_LDFLAGS'].split()
 
+if enable_static
+  qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
+endif
+
+# Detect support for PT_GNU_RELRO + DT_BIND_NOW.
+# The combination is known as "full relro", because .got.plt is read-only too.
+qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
+
 if targetos == 'windows'
   qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
   # Disable ASLR for debug builds to allow debugging with gdb
@@ -192,7 +201,6 @@ endif
 
 if get_option('gprof')
   qemu_cflags += ['-p']
-  qemu_cxxflags += ['-p']
   qemu_objcflags += ['-p']
   qemu_ldflags += ['-p']
 endif
@@ -209,9 +217,14 @@ if get_option('fuzzing')
   configure_file(output: 'instrumentation-filter',
                  input: 'scripts/oss-fuzz/instrumentation-filter-template',
                  copy: true)
-  add_global_arguments(
-      cc.get_supported_arguments('-fsanitize-coverage-allowlist=instrumentation-filter'),
-      native: false, language: ['c', 'cpp', 'objc'])
+
+  if cc.compiles('int main () { return 0; }',
+                  name: '-fsanitize-coverage-allowlist=/dev/null',
+                 args: ['-fsanitize-coverage-allowlist=/dev/null',
+                        '-fsanitize-coverage=trace-pc'] )
+    add_global_arguments('-fsanitize-coverage-allowlist=instrumentation-filter',
+                         native: false, language: ['c', 'cpp', 'objc'])
+  endif
 
   if get_option('fuzzing_engine') == ''
     # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
@@ -233,8 +246,38 @@ if get_option('fuzzing')
 endif
 
 add_global_arguments(qemu_cflags, native: false, language: ['c'])
-add_global_arguments(qemu_cxxflags, native: false, language: ['cpp'])
 add_global_arguments(qemu_objcflags, native: false, language: ['objc'])
+
+# Check that the C++ compiler exists and works with the C compiler.
+link_language = 'c'
+linker = cc
+qemu_cxxflags = []
+if add_languages('cpp', required: false, native: false)
+  cxx = meson.get_compiler('cpp')
+  add_global_arguments(['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'],
+                       native: false, language: 'cpp')
+  foreach k: qemu_cflags
+    if k not in ['-Wstrict-prototypes', '-Wmissing-prototypes', '-Wnested-externs',
+                 '-Wold-style-declaration', '-Wold-style-definition', '-Wredundant-decls']
+      qemu_cxxflags += [k]
+    endif
+  endforeach
+  add_global_arguments(qemu_cxxflags, native: false, language: 'cpp')
+
+  if cxx.links(files('scripts/main.c'), args: qemu_cflags)
+    link_language = 'cpp'
+    linker = cxx
+  else
+    message('C++ compiler does not work with C compiler')
+    message('Disabling C++-specific optional code')
+  endif
+endif
+
+# Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
+if targetos != 'sunos' and not config_host.has_key('CONFIG_TSAN')
+  qemu_ldflags += linker.get_supported_link_arguments('-Wl,--warn-common')
+endif
+
 add_global_link_arguments(qemu_ldflags, native: false, language: ['c', 'cpp', 'objc'])
 
 if targetos == 'linux'
@@ -246,17 +289,8 @@ endif
 add_project_arguments('-iquote', '.',
                       '-iquote', meson.current_source_dir(),
                       '-iquote', meson.current_source_dir() / 'include',
-                      '-iquote', meson.current_source_dir() / 'disas/libvixl',
                       language: ['c', 'cpp', 'objc'])
 
-link_language = meson.get_external_property('link_language', 'cpp')
-if link_language == 'cpp'
-  add_languages('cpp', required: true, native: false)
-  cxx = meson.get_compiler('cpp')
-  linker = cxx
-else
-  linker = cc
-endif
 if host_machine.system() == 'darwin'
   add_languages('objc', required: false, native: false)
 endif
@@ -308,6 +342,10 @@ multiprocess_allowed = get_option('multiprocess') \
   .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
   .allowed()
 
+vfio_user_server_allowed = get_option('vfio_user_server') \
+  .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
+  .allowed()
+
 have_tpm = get_option('tpm') \
   .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
   .allowed()
@@ -348,10 +386,12 @@ nvmm =not_found
 hvf = not_found
 midl = not_found
 widl = not_found
+pathcch = not_found
 host_dsosuf = '.so'
 if targetos == 'windows'
   midl = find_program('midl', required: false)
   widl = find_program('widl', required: false)
+  pathcch = cc.find_library('pathcch')
   socket = cc.find_library('ws2_32')
   winmm = cc.find_library('winmm')
 
@@ -475,6 +515,7 @@ meson.override_dependency('glib-2.0', glib)
 
 gio = not_found
 gdbus_codegen = not_found
+gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
 if not get_option('gio').auto() or have_system
   gio = dependency('gio-2.0', required: get_option('gio'),
                    method: 'pkg-config', kwargs: static_kwargs)
@@ -499,6 +540,10 @@ if not get_option('gio').auto() or have_system
                              version: gio.version())
   endif
 endif
+if gdbus_codegen.found() and get_option('cfi')
+  gdbus_codegen = not_found
+  gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
+endif
 
 lttng = not_found
 if 'ust' in get_option('trace_backends')
@@ -575,13 +620,8 @@ if get_option('attr').allowed()
   endif
 endif
 
-cocoa = dependency('appleframeworks', modules: 'Cocoa', required: get_option('cocoa'))
-if cocoa.found() and get_option('sdl').enabled()
-  error('Cocoa and SDL cannot be enabled at the same time')
-endif
-if cocoa.found() and get_option('gtk').enabled()
-  error('Cocoa and GTK+ cannot be enabled at the same time')
-endif
+cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
+                   required: get_option('cocoa'))
 
 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
@@ -630,6 +670,26 @@ else
                          method: 'pkg-config', kwargs: static_kwargs)
 endif
 
+slirp = not_found
+if not get_option('slirp').auto() or have_system
+  slirp = dependency('slirp', required: get_option('slirp'),
+                     method: 'pkg-config', kwargs: static_kwargs)
+  # slirp < 4.7 is incompatible with CFI support in QEMU.  This is because
+  # it passes function pointers within libslirp as callbacks for timers.
+  # When using a system-wide shared libslirp, the type information for the
+  # callback is missing and the timer call produces a false positive with CFI.
+  # Do not use the "version" keyword argument to produce a better error.
+  # with control-flow integrity.
+  if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
+    if get_option('slirp').enabled()
+      error('Control-Flow Integrity requires libslirp 4.7.')
+    else
+      warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
+      slirp = not_found
+    endif
+  endif
+endif
+
 vde = not_found
 if not get_option('vde').auto() or have_system or have_tools
   vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
@@ -668,6 +728,11 @@ if not get_option('jack').auto() or have_system
   jack = dependency('jack', required: get_option('jack'),
                     method: 'pkg-config', kwargs: static_kwargs)
 endif
+sndio = not_found
+if not get_option('sndio').auto() or have_system
+  sndio = dependency('sndio', required: get_option('sndio'),
+                    method: 'pkg-config', kwargs: static_kwargs)
+endif
 
 spice_protocol = not_found
 if not get_option('spice_protocol').auto() or have_system
@@ -812,14 +877,10 @@ if have_system and get_option('curses').allowed()
     }'''
 
   curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
-  foreach curses_dep : curses_dep_list
-    if not curses.found()
-      curses = dependency(curses_dep,
-                          required: false,
-                          method: 'pkg-config',
-                          kwargs: static_kwargs)
-    endif
-  endforeach
+  curses = dependency(curses_dep_list,
+                      required: false,
+                      method: 'pkg-config',
+                      kwargs: static_kwargs)
   msg = get_option('curses').enabled() ? 'curses library not found' : ''
   curses_compile_args = ['-DNCURSES_WIDECHAR=1']
   if curses.found()
@@ -908,7 +969,7 @@ if not get_option('brlapi').auto() or have_system
 endif
 
 sdl = not_found
-if not get_option('sdl').auto() or (have_system and not cocoa.found())
+if not get_option('sdl').auto() or have_system
   sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
   sdl_image = not_found
 endif
@@ -1084,7 +1145,7 @@ if (have_system or have_tools) and (virgl.found() or opengl.found())
   gbm = dependency('gbm', method: 'pkg-config', required: false,
                    kwargs: static_kwargs)
 endif
-have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and gbm.found()
+have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
 
 gnutls = not_found
 gnutls_crypto = not_found
@@ -1174,7 +1235,7 @@ endif
 gtk = not_found
 gtkx11 = not_found
 vte = not_found
-if not get_option('gtk').auto() or (have_system and not cocoa.found())
+if not get_option('gtk').auto() or have_system
   gtk = dependency('gtk+-3.0', version: '>=3.22.0',
                    method: 'pkg-config',
                    required: get_option('gtk'),
@@ -1202,7 +1263,7 @@ if gtkx11.found()
 endif
 png = not_found
 if get_option('png').allowed() and have_system
-   png = dependency('libpng', required: get_option('png'),
+   png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
                     method: 'pkg-config', kwargs: static_kwargs)
 endif
 vnc = not_found
@@ -1408,6 +1469,12 @@ if have_system
                    method: 'pkg-config',
                    kwargs: static_kwargs)
 endif
+canokey = not_found
+if have_system
+  canokey = dependency('canokey-qemu', required: get_option('canokey'),
+                   method: 'pkg-config',
+                   kwargs: static_kwargs)
+endif
 usbredir = not_found
 if not get_option('usb_redir').auto() or have_system
   usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
@@ -1502,7 +1569,7 @@ have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
            error_message: 'vhost_user_blk_server requires linux') \
   .require(have_vhost_user,
            error_message: 'vhost_user_blk_server requires vhost-user support') \
-  .disable_auto_if(not have_system) \
+  .disable_auto_if(not have_tools and not have_system) \
   .allowed()
 
 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
@@ -1527,6 +1594,26 @@ if get_option('fuse_lseek').allowed()
   endif
 endif
 
+have_libvduse = (targetos == 'linux')
+if get_option('libvduse').enabled()
+    if targetos != 'linux'
+        error('libvduse requires linux')
+    endif
+elif get_option('libvduse').disabled()
+    have_libvduse = false
+endif
+
+have_vduse_blk_export = (have_libvduse and targetos == 'linux')
+if get_option('vduse_blk_export').enabled()
+    if targetos != 'linux'
+        error('vduse_blk_export requires linux')
+    elif not have_libvduse
+        error('vduse_blk_export requires libvduse support')
+    endif
+elif get_option('vduse_blk_export').disabled()
+    have_vduse_blk_export = false
+endif
+
 # libbpf
 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
 if libbpf.found() and not cc.links('''
@@ -1558,6 +1645,7 @@ if have_system
     'oss': oss.found(),
     'pa': pulse.found(),
     'sdl': sdl.found(),
+    'sndio': sndio.found(),
   }
   foreach k, v: audio_drivers_available
     config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
@@ -1565,7 +1653,7 @@ if have_system
 
   # Default to native drivers first, OSS second, SDL third
   audio_drivers_priority = \
-    [ 'pa', 'coreaudio', 'dsound', 'oss' ] + \
+    [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
     (targetos == 'linux' ? [] : [ 'sdl' ])
   audio_drivers_default = []
   foreach k: audio_drivers_priority
@@ -1630,14 +1718,13 @@ endif
 have_host_block_device = (targetos != 'darwin' or
     cc.has_header('IOKit/storage/IOMedia.h'))
 
-# FIXME enable_modules shouldn't be necessary, but: https://github.com/mesonbuild/meson/issues/8333
 dbus_display = get_option('dbus_display') \
   .require(gio.version().version_compare('>=2.64'),
            error_message: '-display dbus requires glib>=2.64') \
-  .require(enable_modules,
-           error_message: '-display dbus requires --enable-modules') \
   .require(gdbus_codegen.found(),
-           error_message: '-display dbus requires gdbus-codegen') \
+           error_message: gdbus_codegen_error.format('-display dbus')) \
+  .require(opengl.found() and gbm.found(),
+           error_message: '-display dbus requires epoxy/egl and gbm') \
   .allowed()
 
 have_virtfs = get_option('virtfs') \
@@ -1678,7 +1765,13 @@ config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
-config_host_data.set_quoted('CONFIG_QEMU_FIRMWAREPATH', get_option('prefix') / get_option('qemu_firmwarepath'))
+
+qemu_firmwarepath = ''
+foreach k : get_option('qemu_firmwarepath')
+  qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
+endforeach
+config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
+
 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
@@ -1746,6 +1839,7 @@ config_host_data.set('CONFIG_LIBNFS', libnfs.found())
 config_host_data.set('CONFIG_LIBSSH', libssh.found())
 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
+config_host_data.set('CONFIG_LIBURING_REGISTER_RING_FD', cc.has_function('io_uring_register_ring_fd', prefix: '#include <liburing.h>', dependencies:linux_io_uring))
 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
 config_host_data.set('CONFIG_NUMA', numa.found())
 config_host_data.set('CONFIG_OPENGL', opengl.found())
@@ -1768,6 +1862,7 @@ config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
 config_host_data.set('CONFIG_VMNET', vmnet.found())
 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
+config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
 config_host_data.set('CONFIG_PNG', png.found())
 config_host_data.set('CONFIG_VNC', vnc.found())
 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
@@ -1829,7 +1924,7 @@ config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage')
 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
-config_host_data.set('CONFIG_REPLICATION', get_option('live_block_migration').allowed())
+config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
 
 # has_header
 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
@@ -1841,6 +1936,9 @@ config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
+if targetos == 'windows'
+  config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
+endif
 
 # has_function
 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
@@ -1867,6 +1965,12 @@ config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
+if rbd.found()
+  config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
+                       cc.has_function('rbd_namespace_exists',
+                                       dependencies: rbd,
+                                       prefix: '#include <rbd/librbd.h>'))
+endif
 if rdma.found()
   config_host_data.set('HAVE_IBV_ADVISE_MR',
                        cc.has_function('ibv_advise_mr',
@@ -1908,6 +2012,8 @@ config_host_data.set('HAVE_OPTRESET',
                      cc.has_header_symbol('getopt.h', 'optreset'))
 config_host_data.set('HAVE_IPPROTO_MPTCP',
                      cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
+config_host_data.set('HAVE_SYS_MOUNT_FSCONFIG',
+                     cc.has_header_symbol('sys/mount.h', 'FSCONFIG_SET_FLAG'))
 
 # has_member
 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
@@ -1971,15 +2077,6 @@ config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
   #else
   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
   #endif'''))
-config_host_data.set('CONFIG_PIPE2', cc.links(gnu_source_prefix + '''
-  #include <unistd.h>
-  #include <fcntl.h>
-
-  int main(void)
-  {
-      int pipefd[2];
-      return pipe2(pipefd, O_CLOEXEC);
-  }'''))
 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
   #include <sys/mman.h>
   #include <stddef.h>
@@ -2330,7 +2427,6 @@ config_target_mak = {}
 
 disassemblers = {
   'alpha' : ['CONFIG_ALPHA_DIS'],
-  'arm' : ['CONFIG_ARM_DIS'],
   'avr' : ['CONFIG_AVR_DIS'],
   'cris' : ['CONFIG_CRIS_DIS'],
   'hexagon' : ['CONFIG_HEXAGON_DIS'],
@@ -2353,8 +2449,6 @@ disassemblers = {
 }
 if link_language == 'cpp'
   disassemblers += {
-    'aarch64' : [ 'CONFIG_ARM_A64_DIS'],
-    'arm' : [ 'CONFIG_ARM_DIS', 'CONFIG_ARM_A64_DIS'],
     'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
   }
 endif
@@ -2373,7 +2467,8 @@ host_kconfig = \
   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
   (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
-  (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : [])
+  (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
+  (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
 
 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
 
@@ -2568,101 +2663,19 @@ if not get_option('capstone').auto() or have_system or have_user
   endif
 endif
 
-slirp = not_found
-slirp_opt = 'disabled'
-if have_system
-  slirp_opt = get_option('slirp')
-  if slirp_opt in ['enabled', 'auto', 'system']
-    have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
-    slirp_dep_required = (slirp_opt == 'system' or
-                          slirp_opt == 'enabled' and not have_internal)
-    slirp = dependency('slirp', kwargs: static_kwargs,
-                       method: 'pkg-config', version: '>=4.1.0',
-                       required: slirp_dep_required)
-    # slirp <4.7 is incompatible with CFI support in QEMU.  This is because
-    # it passes function pointers within libslirp as callbacks for timers.
-    # When using a system-wide shared libslirp, the type information for the
-    # callback is missing and the timer call produces a false positive with CFI.
-    # Do not use the "version" keyword argument to produce a better error.
-    # with control-flow integrity.
-    if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
-      if slirp_dep_required
-        error('Control-Flow Integrity requires libslirp 4.7.')
-      else
-        warning('Control-Flow Integrity requires libslirp 4.7, not using system-wide libslirp.')
-        slirp = not_found
-      endif
-    endif
-    if slirp.found()
-      slirp_opt = 'system'
-    elif have_internal
-      slirp_opt = 'internal'
-    else
-      slirp_opt = 'disabled'
-    endif
-  endif
-  if slirp_opt == 'internal'
-    slirp_deps = []
-    if targetos == 'windows'
-      slirp_deps = cc.find_library('iphlpapi')
-    elif targetos == 'darwin'
-      slirp_deps = cc.find_library('resolv')
-    endif
-    slirp_conf = configuration_data()
-    slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
-    slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
-    slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
-    slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
-    slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
-    slirp_files = [
-      'slirp/src/arp_table.c',
-      'slirp/src/bootp.c',
-      'slirp/src/cksum.c',
-      'slirp/src/dhcpv6.c',
-      'slirp/src/dnssearch.c',
-      'slirp/src/if.c',
-      'slirp/src/ip6_icmp.c',
-      'slirp/src/ip6_input.c',
-      'slirp/src/ip6_output.c',
-      'slirp/src/ip_icmp.c',
-      'slirp/src/ip_input.c',
-      'slirp/src/ip_output.c',
-      'slirp/src/mbuf.c',
-      'slirp/src/misc.c',
-      'slirp/src/ncsi.c',
-      'slirp/src/ndp_table.c',
-      'slirp/src/sbuf.c',
-      'slirp/src/slirp.c',
-      'slirp/src/socket.c',
-      'slirp/src/state.c',
-      'slirp/src/stream.c',
-      'slirp/src/tcp_input.c',
-      'slirp/src/tcp_output.c',
-      'slirp/src/tcp_subr.c',
-      'slirp/src/tcp_timer.c',
-      'slirp/src/tftp.c',
-      'slirp/src/udp.c',
-      'slirp/src/udp6.c',
-      'slirp/src/util.c',
-      'slirp/src/version.c',
-      'slirp/src/vmstate.c',
-    ]
-
-    configure_file(
-      input : 'slirp/src/libslirp-version.h.in',
-      output : 'libslirp-version.h',
-      configuration: slirp_conf)
-
-    slirp_inc = include_directories('slirp', 'slirp/src')
-    libslirp = static_library('slirp',
-                              build_by_default: false,
-                              sources: slirp_files,
-                              c_args: slirp_cargs,
-                              include_directories: slirp_inc)
-    slirp = declare_dependency(link_with: libslirp,
-                               dependencies: slirp_deps,
-                               include_directories: slirp_inc)
+libvfio_user_dep = not_found
+if have_system and vfio_user_server_allowed
+  have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
+
+  if not have_internal
+    error('libvfio-user source not found - please pull git submodule')
   endif
+
+  libvfio_user_proj = subproject('libvfio-user')
+
+  libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
+
+  libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
 endif
 
 fdt = not_found
@@ -2850,6 +2863,7 @@ trace_events_subdirs = [
   'qom',
   'monitor',
   'util',
+  'gdbstub',
 ]
 if have_linux_user
   trace_events_subdirs += [ 'linux-user' ]
@@ -2955,6 +2969,12 @@ if targetos == 'linux' and have_vhost_user
   vhost_user = libvhost_user.get_variable('vhost_user_dep')
 endif
 
+libvduse = not_found
+if have_libvduse
+  libvduse_proj = subproject('libvduse')
+  libvduse = libvduse_proj.get_variable('libvduse_dep')
+endif
+
 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
 # that is filled in by qapi/.
 subdir('qapi')
@@ -2967,6 +2987,7 @@ subdir('authz')
 subdir('crypto')
 subdir('ui')
 subdir('hw')
+subdir('gdbstub')
 
 
 if enable_modules
@@ -3044,7 +3065,7 @@ common_ss.add(files('cpus-common.c'))
 subdir('softmmu')
 
 common_ss.add(capstone)
-specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
+specific_ss.add(files('cpu.c', 'disas.c'), capstone)
 
 # Work around a gcc bug/misfeature wherein constant propagation looks
 # through an alias:
@@ -3338,7 +3359,6 @@ foreach target : target_dirs
     target_inc += include_directories('linux-headers', is_system: true)
   endif
   if target.endswith('-softmmu')
-    qemu_target_name = 'qemu-system-' + target_name
     target_type='system'
     t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
     arch_srcs += t.sources()
@@ -3355,7 +3375,6 @@ foreach target : target_dirs
     abi = config_target['TARGET_ABI_DIR']
     target_type='user'
     target_inc += common_user_inc
-    qemu_target_name = 'qemu-' + target_name
     if target_base_arch in target_user_arch
       t = target_user_arch[target_base_arch].apply(config_target, strict: false)
       arch_srcs += t.sources()
@@ -3616,7 +3635,8 @@ endif
 summary_info = {}
 summary_info += {'Install prefix':    get_option('prefix')}
 summary_info += {'BIOS directory':    qemu_datadir}
-summary_info += {'firmware path':     get_option('prefix') / get_option('qemu_firmwarepath')}
+pathsep = targetos == 'windows' ? ';' : ':'
+summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
 summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
 summary_info += {'module directory':  qemu_moddir}
@@ -3649,7 +3669,7 @@ summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
 if targetos == 'windows' and have_ga
   summary_info += {'wixl':            wixl}
 endif
-if slirp_opt != 'disabled' and have_system
+if slirp.found() and have_system
   summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
 endif
 summary(summary_info, bool_yn: true, section: 'Host binaries')
@@ -3740,21 +3760,24 @@ endif
 summary_info += {'strip binaries':    get_option('strip')}
 summary_info += {'sparse':            sparse}
 summary_info += {'mingw32 support':   targetos == 'windows'}
+summary(summary_info, bool_yn: true, section: 'Compilation')
 
 # snarf the cross-compilation information for tests
+summary_info = {}
+have_cross = false
 foreach target: target_dirs
-  tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + '.mak'
+  tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
   if fs.exists(tcg_mak)
     config_cross_tcg = keyval.load(tcg_mak)
-    target = config_cross_tcg['TARGET_NAME']
-    compiler = ''
     if 'CC' in config_cross_tcg
-      summary_info += {target + ' tests': config_cross_tcg['CC']}
+      summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
+      have_cross = true
     endif
-   endif
+  endif
 endforeach
-
-summary(summary_info, bool_yn: true, section: 'Compilation')
+if have_cross
+  summary(summary_info, bool_yn: true, section: 'Cross compilers')
+endif
 
 # Targets and accelerators
 summary_info = {}
@@ -3783,6 +3806,7 @@ summary_info += {'target list':       ' '.join(target_dirs)}
 if have_system
   summary_info += {'default devices':   get_option('default_devices')}
   summary_info += {'out of process emulation': multiprocess_allowed}
+  summary_info += {'vfio-user server': vfio_user_server_allowed}
 endif
 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
 
@@ -3807,6 +3831,7 @@ if have_block
   summary_info += {'qed support':       get_option('qed').allowed()}
   summary_info += {'parallels support': get_option('parallels').allowed()}
   summary_info += {'FUSE exports':      fuse}
+  summary_info += {'VDUSE block exports': have_vduse_blk_export}
 endif
 summary(summary_info, bool_yn: true, section: 'Block layer support')
 
@@ -3838,7 +3863,7 @@ summary_info += {'SDL image support': sdl_image}
 summary_info += {'GTK support':       gtk}
 summary_info += {'pixman':            pixman}
 summary_info += {'VTE support':       vte}
-summary_info += {'slirp support':     slirp_opt == 'internal' ? slirp_opt : slirp}
+summary_info += {'slirp support':     slirp}
 summary_info += {'libtasn1':          tasn1}
 summary_info += {'PAM':               pam}
 summary_info += {'iconv support':     iconv}
@@ -3854,6 +3879,7 @@ if vnc.found()
 endif
 if targetos not in ['darwin', 'haiku', 'windows']
   summary_info += {'OSS support':     oss}
+  summary_info += {'sndio support':   sndio}
 elif targetos == 'darwin'
   summary_info += {'CoreAudio support': coreaudio}
 elif targetos == 'windows'