project('qemu', ['c'], meson_version: '>=0.55.0',
        default_options: ['warning_level=1', 'c_std=gnu99', 'cpp_std=gnu++11',
                          'b_colorout=auto'],
        version: run_command('head', meson.source_root() / 'VERSION').stdout().strip())

not_found = dependency('', required: false)
if meson.version().version_compare('>=0.56.0')
  keyval = import('keyval')
else
  keyval = import('unstable-keyval')
endif
ss = import('sourceset')

sh = find_program('sh')
cc = meson.get_compiler('c')
config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
enable_modules = 'CONFIG_MODULES' in config_host
enable_static = 'CONFIG_STATIC' in config_host
build_docs = 'BUILD_DOCS' in config_host

if get_option('qemu_suffix').startswith('/')
  error('qemu_suffix cannot start with a /')
endif

qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
config_host_data = configuration_data()
genh = []

target_dirs = config_host['TARGET_DIRS'].split()
have_user = false
have_system = false
foreach target : target_dirs
  have_user = have_user or target.endswith('-user')
  have_system = have_system or target.endswith('-softmmu')
endforeach
have_tools = 'CONFIG_TOOLS' in config_host
have_block = have_system or have_tools

python = import('python').find_installation()

supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
supported_cpus = ['ppc', 'ppc64', 's390x', 'sparc64', 'riscv32', 'riscv64', 'x86', 'x86_64',
  'arm', 'aarch64', 'mips', 'mips64', 'sparc', 'sparc64']

cpu = host_machine.cpu_family()
targetos = host_machine.system()

configure_file(input: files('scripts/ninjatool.py'),
               output: 'ninjatool',
               configuration: config_host)

if cpu in ['x86', 'x86_64']
  kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
elif cpu == 'aarch64'
  kvm_targets = ['aarch64-softmmu']
elif cpu == 's390x'
  kvm_targets = ['s390x-softmmu']
elif cpu in ['ppc', 'ppc64']
  kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
else
  kvm_targets = []
endif

accelerator_targets = { 'CONFIG_KVM': kvm_targets }
if cpu in ['x86', 'x86_64']
  accelerator_targets += {
    'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
    'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
    'CONFIG_HVF': ['x86_64-softmmu'],
    'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
  }
endif

##################
# Compiler flags #
##################

# Specify linker-script with add_project_link_arguments so that it is not placed
# within a linker --start-group/--end-group pair
if 'CONFIG_FUZZ' in config_host
   add_project_link_arguments(['-Wl,-T,',
                               (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
                              native: false, language: ['c', 'cpp', 'objc'])
endif

add_project_arguments(config_host['QEMU_CFLAGS'].split(),
                      native: false, language: ['c', 'objc'])
add_project_arguments(config_host['QEMU_CXXFLAGS'].split(),
                      native: false, language: 'cpp')
add_project_link_arguments(config_host['QEMU_LDFLAGS'].split(),
                           native: false, language: ['c', 'cpp', 'objc'])
add_project_arguments(config_host['QEMU_INCLUDES'].split(),
                      language: ['c', 'cpp', 'objc'])


link_language = meson.get_external_property('link_language', 'cpp')
if link_language == 'cpp'
  add_languages('cpp', required: true, native: false)
endif
if host_machine.system() == 'darwin'
  add_languages('objc', required: false, native: false)
endif

if 'SPARSE_CFLAGS' in config_host
  run_target('sparse',
             command: [find_program('scripts/check_sparse.py'),
                       config_host['SPARSE_CFLAGS'].split(),
                       'compile_commands.json'])
endif

###########################################
# Target-specific checks and dependencies #
###########################################

if targetos != 'linux' and get_option('mpath').enabled()
  error('Multipath is supported only on Linux')
endif

m = cc.find_library('m', required: false)
util = cc.find_library('util', required: false)
winmm = []
socket = []
version_res = []
coref = []
iokit = []
emulator_link_args = []
cocoa = not_found
hvf = not_found
if targetos == 'windows'
  socket = cc.find_library('ws2_32')
  winmm = cc.find_library('winmm')

  win = import('windows')
  version_res = win.compile_resources('version.rc',
                                      depend_files: files('pc-bios/qemu-nsis.ico'),
                                      include_directories: include_directories('.'))
elif targetos == 'darwin'
  coref = dependency('appleframeworks', modules: 'CoreFoundation')
  iokit = dependency('appleframeworks', modules: 'IOKit')
  cocoa = dependency('appleframeworks', modules: 'Cocoa', required: get_option('cocoa'))
elif targetos == 'sunos'
  socket = [cc.find_library('socket'),
            cc.find_library('nsl'),
            cc.find_library('resolv')]
elif targetos == 'haiku'
  socket = [cc.find_library('posix_error_mapper'),
            cc.find_library('network'),
            cc.find_library('bsd')]
elif targetos == 'openbsd'
  if not get_option('tcg').disabled() and target_dirs.length() > 0
    # Disable OpenBSD W^X if available
    emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
  endif
endif

accelerators = []
if not get_option('kvm').disabled() and targetos == 'linux'
  accelerators += 'CONFIG_KVM'
endif
if not get_option('xen').disabled() and 'CONFIG_XEN_BACKEND' in config_host
  accelerators += 'CONFIG_XEN'
  have_xen_pci_passthrough = not get_option('xen_pci_passthrough').disabled() and targetos == 'linux'
else
  have_xen_pci_passthrough = false
endif
if not get_option('whpx').disabled() and targetos == 'windows'
  if get_option('whpx').enabled() and cpu != 'x86_64'
    error('WHPX requires 64-bit host')
  elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
       cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
    accelerators += 'CONFIG_WHPX'
  endif
endif
if not get_option('hvf').disabled()
  hvf = dependency('appleframeworks', modules: 'Hypervisor',
                   required: get_option('hvf'))
  if hvf.found()
    accelerators += 'CONFIG_HVF'
  endif
endif
if not get_option('hax').disabled()
  if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
    accelerators += 'CONFIG_HAX'
  endif
endif
if not get_option('tcg').disabled()
  if cpu not in supported_cpus
    if 'CONFIG_TCG_INTERPRETER' in config_host
      warning('Unsupported CPU @0@, will use TCG with TCI (experimental)'.format(cpu))
    else
      error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
    endif
  endif
  accelerators += 'CONFIG_TCG'
  config_host += { 'CONFIG_TCG': 'y' }
endif

if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
  error('KVM not available on this platform')
endif
if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
  error('HVF not available on this platform')
endif
if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
  error('WHPX not available on this platform')
endif
if not have_xen_pci_passthrough and get_option('xen_pci_passthrough').enabled()
  if 'CONFIG_XEN' in accelerators
    error('Xen PCI passthrough not available on this platform')
  else
    error('Xen PCI passthrough requested but Xen not enabled')
  endif
endif
if not cocoa.found() and get_option('cocoa').enabled()
  error('Cocoa not available on this platform')
endif

################
# Dependencies #
################

# The path to glib.h is added to all compilation commands.  This was
# grandfathered in from the QEMU Makefiles.
add_project_arguments(config_host['GLIB_CFLAGS'].split(),
                      native: false, language: ['c', 'cpp', 'objc'])
glib = declare_dependency(link_args: config_host['GLIB_LIBS'].split())
gio = not_found
if 'CONFIG_GIO' in config_host
  gio = declare_dependency(compile_args: config_host['GIO_CFLAGS'].split(),
                           link_args: config_host['GIO_LIBS'].split())
endif
lttng = not_found
if 'CONFIG_TRACE_UST' in config_host
  lttng = declare_dependency(link_args: config_host['LTTNG_UST_LIBS'].split())
endif
urcubp = not_found
if 'CONFIG_TRACE_UST' in config_host
  urcubp = declare_dependency(link_args: config_host['URCU_BP_LIBS'].split())
endif
gcrypt = not_found
if 'CONFIG_GCRYPT' in config_host
  gcrypt = declare_dependency(compile_args: config_host['GCRYPT_CFLAGS'].split(),
                              link_args: config_host['GCRYPT_LIBS'].split())
endif
nettle = not_found
if 'CONFIG_NETTLE' in config_host
  nettle = declare_dependency(compile_args: config_host['NETTLE_CFLAGS'].split(),
                              link_args: config_host['NETTLE_LIBS'].split())
endif
gnutls = not_found
if 'CONFIG_GNUTLS' in config_host
  gnutls = declare_dependency(compile_args: config_host['GNUTLS_CFLAGS'].split(),
                              link_args: config_host['GNUTLS_LIBS'].split())
endif
pixman = not_found
if have_system or have_tools
  pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
                      method: 'pkg-config', static: enable_static)
endif
pam = not_found
if 'CONFIG_AUTH_PAM' in config_host
  pam = cc.find_library('pam')
endif
libaio = cc.find_library('aio', required: false)
zlib = dependency('zlib', required: true, static: enable_static)
linux_io_uring = not_found
if 'CONFIG_LINUX_IO_URING' in config_host
  linux_io_uring = declare_dependency(compile_args: config_host['LINUX_IO_URING_CFLAGS'].split(),
                                      link_args: config_host['LINUX_IO_URING_LIBS'].split())
endif
libxml2 = not_found
if 'CONFIG_LIBXML2' in config_host
  libxml2 = declare_dependency(compile_args: config_host['LIBXML2_CFLAGS'].split(),
                               link_args: config_host['LIBXML2_LIBS'].split())
endif
libnfs = not_found
if 'CONFIG_LIBNFS' in config_host
  libnfs = declare_dependency(link_args: config_host['LIBNFS_LIBS'].split())
endif
libattr = not_found
if 'CONFIG_ATTR' in config_host
  libattr = declare_dependency(link_args: config_host['LIBATTR_LIBS'].split())
endif
seccomp = not_found
if 'CONFIG_SECCOMP' in config_host
  seccomp = declare_dependency(compile_args: config_host['SECCOMP_CFLAGS'].split(),
                               link_args: config_host['SECCOMP_LIBS'].split())
endif
libcap_ng = not_found
if 'CONFIG_LIBCAP_NG' in config_host
  libcap_ng = declare_dependency(link_args: config_host['LIBCAP_NG_LIBS'].split())
endif
if get_option('xkbcommon').auto() and not have_system and not have_tools
  xkbcommon = not_found
else
  xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
                         method: 'pkg-config', static: enable_static)
endif
slirp = not_found
if config_host.has_key('CONFIG_SLIRP')
  slirp = declare_dependency(compile_args: config_host['SLIRP_CFLAGS'].split(),
                             link_args: config_host['SLIRP_LIBS'].split())
endif
vde = not_found
if config_host.has_key('CONFIG_VDE')
  vde = declare_dependency(link_args: config_host['VDE_LIBS'].split())
endif
pulse = not_found
if 'CONFIG_LIBPULSE' in config_host
  pulse = declare_dependency(compile_args: config_host['PULSE_CFLAGS'].split(),
                             link_args: config_host['PULSE_LIBS'].split())
endif
alsa = not_found
if 'CONFIG_ALSA' in config_host
  alsa = declare_dependency(compile_args: config_host['ALSA_CFLAGS'].split(),
                            link_args: config_host['ALSA_LIBS'].split())
endif
jack = not_found
if 'CONFIG_LIBJACK' in config_host
  jack = declare_dependency(link_args: config_host['JACK_LIBS'].split())
endif
spice = not_found
if 'CONFIG_SPICE' in config_host
  spice = declare_dependency(compile_args: config_host['SPICE_CFLAGS'].split(),
                             link_args: config_host['SPICE_LIBS'].split())
endif
rt = cc.find_library('rt', required: false)
libdl = not_found
if 'CONFIG_PLUGIN' in config_host
  libdl = cc.find_library('dl', required: true)
endif
libiscsi = not_found
if 'CONFIG_LIBISCSI' in config_host
  libiscsi = declare_dependency(compile_args: config_host['LIBISCSI_CFLAGS'].split(),
                                link_args: config_host['LIBISCSI_LIBS'].split())
endif
zstd = not_found
if 'CONFIG_ZSTD' in config_host
  zstd = declare_dependency(compile_args: config_host['ZSTD_CFLAGS'].split(),
                            link_args: config_host['ZSTD_LIBS'].split())
endif
gbm = not_found
if 'CONFIG_GBM' in config_host
  gbm = declare_dependency(compile_args: config_host['GBM_CFLAGS'].split(),
                           link_args: config_host['GBM_LIBS'].split())
endif
virgl = not_found
if 'CONFIG_VIRGL' in config_host
  virgl = declare_dependency(compile_args: config_host['VIRGL_CFLAGS'].split(),
                             link_args: config_host['VIRGL_LIBS'].split())
endif
curl = not_found
if 'CONFIG_CURL' in config_host
  curl = declare_dependency(compile_args: config_host['CURL_CFLAGS'].split(),
                            link_args: config_host['CURL_LIBS'].split())
endif
libudev = not_found
if targetos == 'linux' and (have_system or have_tools)
  libudev = dependency('libudev',
                       required: get_option('mpath').enabled(),
                       static: enable_static)
endif

mpathpersist = not_found
mpathpersist_new_api = false
if targetos == 'linux' and have_tools and not get_option('mpath').disabled()
  mpath_test_source_new = '''
    #include <libudev.h>
    #include <mpath_persist.h>
    unsigned mpath_mx_alloc_len = 1024;
    int logsink;
    static struct config *multipath_conf;
    extern struct udev *udev;
    extern struct config *get_multipath_config(void);
    extern void put_multipath_config(struct config *conf);
    struct udev *udev;
    struct config *get_multipath_config(void) { return multipath_conf; }
    void put_multipath_config(struct config *conf) { }
    int main(void) {
        udev = udev_new();
        multipath_conf = mpath_lib_init();
        return 0;
    }'''
  mpath_test_source_old = '''
      #include <libudev.h>
      #include <mpath_persist.h>
      unsigned mpath_mx_alloc_len = 1024;
      int logsink;
      int main(void) {
          struct udev *udev = udev_new();
          mpath_lib_init(udev);
          return 0;
      }'''
  mpathlibs = [libudev]
  if enable_static
    mpathlibs += cc.find_library('devmapper',
                                   required: get_option('mpath'),
                                   static: enable_static)
  endif
  mpathlibs += cc.find_library('multipath',
                               required: get_option('mpath'),
                               static: enable_static)
  mpathlibs += cc.find_library('mpathpersist',
                               required: get_option('mpath'),
                               static: enable_static)
  foreach lib: mpathlibs
    if not lib.found()
      mpathlibs = []
      break
    endif
  endforeach
  if mpathlibs.length() > 0
    if cc.links(mpath_test_source_new, dependencies: mpathlibs)
      mpathpersist = declare_dependency(dependencies: mpathlibs)
      mpathpersist_new_api = true
    elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
      mpathpersist = declare_dependency(dependencies: mpathlibs)
    else
      if get_option('mpath').enabled()
        error('Cannot detect libmpathpersist API')
      else
        warning('Cannot detect libmpathpersist API, disabling')
      endif
    endif
  endif
endif

brlapi = not_found
if 'CONFIG_BRLAPI' in config_host
  brlapi = declare_dependency(link_args: config_host['BRLAPI_LIBS'].split())
endif

sdl = not_found
if have_system
  sdl = dependency('sdl2', required: get_option('sdl'), static: enable_static)
  sdl_image = not_found
endif
if sdl.found()
  # work around 2.0.8 bug
  sdl = declare_dependency(compile_args: '-Wno-undef',
                           dependencies: sdl)
  sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
                         method: 'pkg-config', static: enable_static)
else
  if get_option('sdl_image').enabled()
    error('sdl-image required, but SDL was @0@'.format(
          get_option('sdl').disabled() ? 'disabled' : 'not found'))
  endif
  sdl_image = not_found
endif

rbd = not_found
if 'CONFIG_RBD' in config_host
  rbd = declare_dependency(link_args: config_host['RBD_LIBS'].split())
endif
glusterfs = not_found
if 'CONFIG_GLUSTERFS' in config_host
  glusterfs = declare_dependency(compile_args: config_host['GLUSTERFS_CFLAGS'].split(),
                                 link_args: config_host['GLUSTERFS_LIBS'].split())
endif
libssh = not_found
if 'CONFIG_LIBSSH' in config_host
  libssh = declare_dependency(compile_args: config_host['LIBSSH_CFLAGS'].split(),
                              link_args: config_host['LIBSSH_LIBS'].split())
endif
libbzip2 = not_found
if 'CONFIG_BZIP2' in config_host
  libbzip2 = declare_dependency(link_args: config_host['BZIP2_LIBS'].split())
endif
liblzfse = not_found
if 'CONFIG_LZFSE' in config_host
  liblzfse = declare_dependency(link_args: config_host['LZFSE_LIBS'].split())
endif
oss = not_found
if 'CONFIG_AUDIO_OSS' in config_host
  oss = declare_dependency(link_args: config_host['OSS_LIBS'].split())
endif
dsound = not_found
if 'CONFIG_AUDIO_DSOUND' in config_host
  dsound = declare_dependency(link_args: config_host['DSOUND_LIBS'].split())
endif
coreaudio = not_found
if 'CONFIG_AUDIO_COREAUDIO' in config_host
  coreaudio = declare_dependency(link_args: config_host['COREAUDIO_LIBS'].split())
endif
opengl = not_found
if 'CONFIG_OPENGL' in config_host
  opengl = declare_dependency(compile_args: config_host['OPENGL_CFLAGS'].split(),
                              link_args: config_host['OPENGL_LIBS'].split())
endif
gtk = not_found
if 'CONFIG_GTK' in config_host
  gtk = declare_dependency(compile_args: config_host['GTK_CFLAGS'].split(),
                              link_args: config_host['GTK_LIBS'].split())
endif
vte = not_found
if 'CONFIG_VTE' in config_host
  vte = declare_dependency(compile_args: config_host['VTE_CFLAGS'].split(),
                           link_args: config_host['VTE_LIBS'].split())
endif
x11 = not_found
if 'CONFIG_X11' in config_host
  x11 = declare_dependency(compile_args: config_host['X11_CFLAGS'].split(),
                           link_args: config_host['X11_LIBS'].split())
endif
curses = not_found
if 'CONFIG_CURSES' in config_host
  curses = declare_dependency(compile_args: config_host['CURSES_CFLAGS'].split(),
                              link_args: config_host['CURSES_LIBS'].split())
endif
iconv = not_found
if 'CONFIG_ICONV' in config_host
  iconv = declare_dependency(compile_args: config_host['ICONV_CFLAGS'].split(),
                             link_args: config_host['ICONV_LIBS'].split())
endif
vnc = not_found
png = not_found
jpeg = not_found
sasl = not_found
if get_option('vnc').enabled()
  vnc = declare_dependency() # dummy dependency
  png = dependency('libpng', required: get_option('vnc_png'),
                   method: 'pkg-config', static: enable_static)
  jpeg = cc.find_library('jpeg', has_headers: ['jpeglib.h'],
                         required: get_option('vnc_jpeg'),
                         static: enable_static)
  sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
                         required: get_option('vnc_sasl'),
                         static: enable_static)
  if sasl.found()
    sasl = declare_dependency(dependencies: sasl,
                              compile_args: '-DSTRUCT_IOVEC_DEFINED')
  endif
endif
fdt = not_found
if 'CONFIG_FDT' in config_host
  fdt = declare_dependency(compile_args: config_host['FDT_CFLAGS'].split(),
                           link_args: config_host['FDT_LIBS'].split())
endif
snappy = not_found
if 'CONFIG_SNAPPY' in config_host
  snappy = declare_dependency(link_args: config_host['SNAPPY_LIBS'].split())
endif
lzo = not_found
if 'CONFIG_LZO' in config_host
  lzo = declare_dependency(link_args: config_host['LZO_LIBS'].split())
endif
rdma = not_found
if 'CONFIG_RDMA' in config_host
  rdma = declare_dependency(link_args: config_host['RDMA_LIBS'].split())
endif
numa = not_found
if 'CONFIG_NUMA' in config_host
  numa = declare_dependency(link_args: config_host['NUMA_LIBS'].split())
endif
xen = not_found
if 'CONFIG_XEN_BACKEND' in config_host
  xen = declare_dependency(compile_args: config_host['XEN_CFLAGS'].split(),
                           link_args: config_host['XEN_LIBS'].split())
endif
cacard = not_found
if 'CONFIG_SMARTCARD' in config_host
  cacard = declare_dependency(compile_args: config_host['SMARTCARD_CFLAGS'].split(),
                              link_args: config_host['SMARTCARD_LIBS'].split())
endif
u2f = not_found
if have_system
  u2f = dependency('u2f-emu', required: get_option('u2f'),
                   method: 'pkg-config',
                   static: enable_static)
endif
usbredir = not_found
if 'CONFIG_USB_REDIR' in config_host
  usbredir = declare_dependency(compile_args: config_host['USB_REDIR_CFLAGS'].split(),
                                link_args: config_host['USB_REDIR_LIBS'].split())
endif
libusb = not_found
if 'CONFIG_USB_LIBUSB' in config_host
  libusb = declare_dependency(compile_args: config_host['LIBUSB_CFLAGS'].split(),
                              link_args: config_host['LIBUSB_LIBS'].split())
endif
capstone = not_found
if 'CONFIG_CAPSTONE' in config_host
  capstone = declare_dependency(compile_args: config_host['CAPSTONE_CFLAGS'].split(),
                                link_args: config_host['CAPSTONE_LIBS'].split())
endif
libpmem = not_found
if 'CONFIG_LIBPMEM' in config_host
  libpmem = declare_dependency(compile_args: config_host['LIBPMEM_CFLAGS'].split(),
                               link_args: config_host['LIBPMEM_LIBS'].split())
endif
libdaxctl = not_found
if 'CONFIG_LIBDAXCTL' in config_host
  libdaxctl = declare_dependency(link_args: config_host['LIBDAXCTL_LIBS'].split())
endif
tasn1 = not_found
if 'CONFIG_TASN1' in config_host
  tasn1 = declare_dependency(compile_args: config_host['TASN1_CFLAGS'].split(),
                             link_args: config_host['TASN1_LIBS'].split())
endif
keyutils = dependency('libkeyutils', required: false,
                      method: 'pkg-config', static: enable_static)

has_gettid = cc.has_function('gettid')

# Malloc tests

malloc = []
if get_option('malloc') == 'system'
  has_malloc_trim = \
    not get_option('malloc_trim').disabled() and \
    cc.links('''#include <malloc.h>
                int main(void) { malloc_trim(0); return 0; }''')
else
  has_malloc_trim = false
  malloc = cc.find_library(get_option('malloc'), required: true)
endif
if not has_malloc_trim and get_option('malloc_trim').enabled()
  if get_option('malloc') == 'system'
    error('malloc_trim not available on this platform.')
  else
    error('malloc_trim not available with non-libc memory allocator')
  endif
endif

# Create config-host.h

config_host_data.set('CONFIG_COCOA', cocoa.found())
config_host_data.set('CONFIG_LIBUDEV', libudev.found())
config_host_data.set('CONFIG_MPATH', mpathpersist.found())
config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
config_host_data.set('CONFIG_SDL', sdl.found())
config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
config_host_data.set('CONFIG_VNC', vnc.found())
config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
config_host_data.set('CONFIG_VNC_PNG', png.found())
config_host_data.set('CONFIG_VNC_SASL', sasl.found())
config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
config_host_data.set('CONFIG_GETTID', has_gettid)
config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])

ignored = ['CONFIG_QEMU_INTERP_PREFIX'] # actually per-target
arrays = ['CONFIG_AUDIO_DRIVERS', 'CONFIG_BDRV_RW_WHITELIST', 'CONFIG_BDRV_RO_WHITELIST']
strings = ['HOST_DSOSUF', 'CONFIG_IASL', 'bindir', 'prefix', 'qemu_confdir', 'qemu_datadir',
           'qemu_moddir', 'qemu_localstatedir', 'qemu_helperdir', 'qemu_localedir',
           'qemu_icondir', 'qemu_desktopdir', 'qemu_firmwarepath', 'sysconfdir']
foreach k, v: config_host
  if ignored.contains(k)
    # do nothing
  elif arrays.contains(k)
    if v != ''
      v = '"' + '", "'.join(v.split()) + '", '
    endif
    config_host_data.set(k, v)
  elif k == 'ARCH'
    config_host_data.set('HOST_' + v.to_upper(), 1)
  elif strings.contains(k)
    if not k.startswith('CONFIG_')
      k = 'CONFIG_' + k.to_upper()
    endif
    config_host_data.set_quoted(k, v)
  elif k.startswith('CONFIG_') or k.startswith('HAVE_') or k.startswith('HOST_')
    config_host_data.set(k, v == 'y' ? 1 : v)
  endif
endforeach
genh += configure_file(output: 'config-host.h', configuration: config_host_data)

minikconf = find_program('scripts/minikconf.py')
config_all = {}
config_all_devices = {}
config_all_disas = {}
config_devices_mak_list = []
config_devices_h = {}
config_target_h = {}
config_target_mak = {}

disassemblers = {
  'alpha' : ['CONFIG_ALPHA_DIS'],
  'arm' : ['CONFIG_ARM_DIS'],
  'avr' : ['CONFIG_AVR_DIS'],
  'cris' : ['CONFIG_CRIS_DIS'],
  'hppa' : ['CONFIG_HPPA_DIS'],
  'i386' : ['CONFIG_I386_DIS'],
  'x86_64' : ['CONFIG_I386_DIS'],
  'x32' : ['CONFIG_I386_DIS'],
  'lm32' : ['CONFIG_LM32_DIS'],
  'm68k' : ['CONFIG_M68K_DIS'],
  'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
  'mips' : ['CONFIG_MIPS_DIS'],
  'moxie' : ['CONFIG_MOXIE_DIS'],
  'nios2' : ['CONFIG_NIOS2_DIS'],
  'or1k' : ['CONFIG_OPENRISC_DIS'],
  'ppc' : ['CONFIG_PPC_DIS'],
  'riscv' : ['CONFIG_RISCV_DIS'],
  'rx' : ['CONFIG_RX_DIS'],
  's390' : ['CONFIG_S390_DIS'],
  'sh4' : ['CONFIG_SH4_DIS'],
  'sparc' : ['CONFIG_SPARC_DIS'],
  'xtensa' : ['CONFIG_XTENSA_DIS'],
}
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

kconfig_external_symbols = [
  'CONFIG_KVM',
  'CONFIG_XEN',
  'CONFIG_TPM',
  'CONFIG_SPICE',
  'CONFIG_IVSHMEM',
  'CONFIG_OPENGL',
  'CONFIG_X11',
  'CONFIG_VHOST_USER',
  'CONFIG_VHOST_VDPA',
  'CONFIG_VHOST_KERNEL',
  'CONFIG_VIRTFS',
  'CONFIG_LINUX',
  'CONFIG_PVRDMA',
]
ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]

default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
actual_target_dirs = []
foreach target : target_dirs
  config_target = { 'TARGET_NAME': target.split('-')[0] }
  if target.endswith('linux-user')
    if targetos != 'linux'
      if default_targets
        continue
      endif
      error('Target @0@ is only available on a Linux host'.format(target))
    endif
    config_target += { 'CONFIG_LINUX_USER': 'y' }
  elif target.endswith('bsd-user')
    if 'CONFIG_BSD' not in config_host
      if default_targets
        continue
      endif
      error('Target @0@ is only available on a BSD host'.format(target))
    endif
    config_target += { 'CONFIG_BSD_USER': 'y' }
  elif target.endswith('softmmu')
    config_target += { 'CONFIG_SOFTMMU': 'y' }
  endif
  if target.endswith('-user')
    config_target += {
      'CONFIG_USER_ONLY': 'y',
      'CONFIG_QEMU_INTERP_PREFIX':
        config_host['CONFIG_QEMU_INTERP_PREFIX'].format(config_target['TARGET_NAME'])
    }
  endif

  have_accel = false
  foreach sym: accelerators
    if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
      config_target += { sym: 'y' }
      config_all += { sym: 'y' }
      if sym == 'CONFIG_XEN' and have_xen_pci_passthrough
        config_target += { 'CONFIG_XEN_PCI_PASSTHROUGH': 'y' }
      endif
      have_accel = true
    endif
  endforeach
  if not have_accel
    if default_targets
      continue
    endif
    error('No accelerator available for target @0@'.format(target))
  endif

  actual_target_dirs += target
  config_target += keyval.load('default-configs/targets' / target + '.mak')
  config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }

  foreach k, v: disassemblers
    if config_host['ARCH'].startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
      foreach sym: v
        config_target += { sym: 'y' }
        config_all_disas += { sym: 'y' }
      endforeach
    endif
  endforeach

  config_target_data = configuration_data()
  foreach k, v: config_target
    if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
      # do nothing
    elif ignored.contains(k)
      # do nothing
    elif k == 'TARGET_BASE_ARCH'
      # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
      # not used to select files from sourcesets.
      config_target_data.set('TARGET_' + v.to_upper(), 1)
    elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
      config_target_data.set_quoted(k, v)
    elif v == 'y'
      config_target_data.set(k, 1)
    else
      config_target_data.set(k, v)
    endif
  endforeach
  config_target_h += {target: configure_file(output: target + '-config-target.h',
                                               configuration: config_target_data)}

  if target.endswith('-softmmu')
    base_kconfig = []
    foreach sym : kconfig_external_symbols
      if sym in config_target or sym in config_host
        base_kconfig += '@0@=y'.format(sym)
      endif
    endforeach

    config_devices_mak = target + '-config-devices.mak'
    config_devices_mak = configure_file(
      input: ['default-configs/devices' / target + '.mak', 'Kconfig'],
      output: config_devices_mak,
      depfile: config_devices_mak + '.d',
      capture: true,
      command: [minikconf, config_host['CONFIG_MINIKCONF_MODE'],
                config_devices_mak, '@DEPFILE@', '@INPUT@',
                base_kconfig])

    config_devices_data = configuration_data()
    config_devices = keyval.load(config_devices_mak)
    foreach k, v: config_devices
      config_devices_data.set(k, 1)
    endforeach
    config_devices_mak_list += config_devices_mak
    config_devices_h += {target: configure_file(output: target + '-config-devices.h',
                                                configuration: config_devices_data)}
    config_target += config_devices
    config_all_devices += config_devices
  endif
  config_target_mak += {target: config_target}
endforeach
target_dirs = actual_target_dirs

# This configuration is used to build files that are shared by
# multiple binaries, and then extracted out of the "common"
# static_library target.
#
# We do not use all_sources()/all_dependencies(), because it would
# build literally all source files, including devices only used by
# targets that are not built for this compilation.  The CONFIG_ALL
# pseudo symbol replaces it.

config_all += config_all_devices
config_all += config_host
config_all += config_all_disas
config_all += {
  'CONFIG_XEN': config_host.has_key('CONFIG_XEN_BACKEND'),
  'CONFIG_SOFTMMU': have_system,
  'CONFIG_USER_ONLY': have_user,
  'CONFIG_ALL': true,
}

# Generators

hxtool = find_program('scripts/hxtool')
shaderinclude = find_program('scripts/shaderinclude.pl')
qapi_gen = find_program('scripts/qapi-gen.py')
qapi_gen_depends = [ meson.source_root() / 'scripts/qapi/__init__.py',
                     meson.source_root() / 'scripts/qapi/commands.py',
                     meson.source_root() / 'scripts/qapi/common.py',
                     meson.source_root() / 'scripts/qapi/error.py',
                     meson.source_root() / 'scripts/qapi/events.py',
                     meson.source_root() / 'scripts/qapi/expr.py',
                     meson.source_root() / 'scripts/qapi/gen.py',
                     meson.source_root() / 'scripts/qapi/introspect.py',
                     meson.source_root() / 'scripts/qapi/parser.py',
                     meson.source_root() / 'scripts/qapi/schema.py',
                     meson.source_root() / 'scripts/qapi/source.py',
                     meson.source_root() / 'scripts/qapi/types.py',
                     meson.source_root() / 'scripts/qapi/visit.py',
                     meson.source_root() / 'scripts/qapi/common.py',
                     meson.source_root() / 'scripts/qapi-gen.py'
]

tracetool = [
  python, files('scripts/tracetool.py'),
   '--backend=' + config_host['TRACE_BACKENDS']
]

qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
                    meson.current_source_dir(),
                    config_host['PKGVERSION'], meson.project_version()]
qemu_version = custom_target('qemu-version.h',
                             output: 'qemu-version.h',
                             command: qemu_version_cmd,
                             capture: true,
                             build_by_default: true,
                             build_always_stale: true)
genh += qemu_version

hxdep = []
hx_headers = [
  ['qemu-options.hx', 'qemu-options.def'],
  ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
]
if have_system
  hx_headers += [
    ['hmp-commands.hx', 'hmp-commands.h'],
    ['hmp-commands-info.hx', 'hmp-commands-info.h'],
  ]
endif
foreach d : hx_headers
  hxdep += custom_target(d[1],
                input: files(d[0]),
                output: d[1],
                capture: true,
                build_by_default: true, # to be removed when added to a target
                command: [hxtool, '-h', '@INPUT0@'])
endforeach
genh += hxdep

SPHINX_ARGS = [config_host['SPHINX_BUILD'],
               '-Dversion=' + meson.project_version(),
               '-Drelease=' + config_host['PKGVERSION']]

if get_option('werror')
  SPHINX_ARGS += [ '-W' ]
endif

sphinx_extn_depends = [ meson.source_root() / 'docs/sphinx/depfile.py',
                        meson.source_root() / 'docs/sphinx/hxtool.py',
                        meson.source_root() / 'docs/sphinx/kerneldoc.py',
                        meson.source_root() / 'docs/sphinx/kernellog.py',
                        meson.source_root() / 'docs/sphinx/qapidoc.py',
                        meson.source_root() / 'docs/sphinx/qmp_lexer.py',
                        qapi_gen_depends ]

# Collect sourcesets.

util_ss = ss.source_set()
stub_ss = ss.source_set()
trace_ss = ss.source_set()
block_ss = ss.source_set()
blockdev_ss = ss.source_set()
qmp_ss = ss.source_set()
common_ss = ss.source_set()
softmmu_ss = ss.source_set()
user_ss = ss.source_set()
bsd_user_ss = ss.source_set()
linux_user_ss = ss.source_set()
specific_ss = ss.source_set()
specific_fuzz_ss = ss.source_set()

modules = {}
hw_arch = {}
target_arch = {}
target_softmmu_arch = {}

###############
# Trace files #
###############

# TODO: add each directory to the subdirs from its own meson.build, once
# we have those
trace_events_subdirs = [
  'accel/kvm',
  'accel/tcg',
  'crypto',
  'monitor',
]
if have_user
  trace_events_subdirs += [ 'linux-user' ]
endif
if have_block
  trace_events_subdirs += [
    'authz',
    'block',
    'io',
    'nbd',
    'scsi',
  ]
endif
if have_system
  trace_events_subdirs += [
    'audio',
    'backends',
    'backends/tpm',
    'chardev',
    'hw/9pfs',
    'hw/acpi',
    'hw/alpha',
    'hw/arm',
    'hw/audio',
    'hw/block',
    'hw/block/dataplane',
    'hw/char',
    'hw/display',
    'hw/dma',
    'hw/hppa',
    'hw/hyperv',
    'hw/i2c',
    'hw/i386',
    'hw/i386/xen',
    'hw/ide',
    'hw/input',
    'hw/intc',
    'hw/isa',
    'hw/mem',
    'hw/mips',
    'hw/misc',
    'hw/misc/macio',
    'hw/net',
    'hw/nvram',
    'hw/pci',
    'hw/pci-host',
    'hw/ppc',
    'hw/rdma',
    'hw/rdma/vmw',
    'hw/rtc',
    'hw/s390x',
    'hw/scsi',
    'hw/sd',
    'hw/sparc',
    'hw/sparc64',
    'hw/ssi',
    'hw/timer',
    'hw/tpm',
    'hw/usb',
    'hw/vfio',
    'hw/virtio',
    'hw/watchdog',
    'hw/xen',
    'hw/gpio',
    'migration',
    'net',
    'softmmu',
    'ui',
  ]
endif
trace_events_subdirs += [
  'hw/core',
  'qapi',
  'qom',
  'target/arm',
  'target/hppa',
  'target/i386',
  'target/mips',
  'target/ppc',
  'target/riscv',
  'target/s390x',
  'target/sparc',
  'util',
]

subdir('qapi')
subdir('qobject')
subdir('stubs')
subdir('trace')
subdir('util')
subdir('qom')
subdir('authz')
subdir('crypto')
subdir('ui')


if enable_modules
  libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
  modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
endif

# Build targets from sourcesets

stub_ss = stub_ss.apply(config_all, strict: false)

util_ss.add_all(trace_ss)
util_ss = util_ss.apply(config_all, strict: false)
libqemuutil = static_library('qemuutil',
                             sources: util_ss.sources() + stub_ss.sources() + genh,
                             dependencies: [util_ss.dependencies(), m, glib, socket, malloc])
qemuutil = declare_dependency(link_with: libqemuutil,
                              sources: genh + version_res)

decodetree = generator(find_program('scripts/decodetree.py'),
                       output: 'decode-@BASENAME@.c.inc',
                       arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])

subdir('audio')
subdir('io')
subdir('chardev')
subdir('fsdev')
subdir('libdecnumber')
subdir('target')
subdir('dump')

block_ss.add(files(
  'block.c',
  'blockdev-nbd.c',
  'blockjob.c',
  'job.c',
  'qemu-io-cmds.c',
))
block_ss.add(when: 'CONFIG_REPLICATION', if_true: files('replication.c'))

subdir('nbd')
subdir('scsi')
subdir('block')

blockdev_ss.add(files(
  'blockdev.c',
  'iothread.c',
  'job-qmp.c',
))

# os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
# os-win32.c does not
blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])

softmmu_ss.add_all(blockdev_ss)
softmmu_ss.add(files(
  'bootdevice.c',
  'dma-helpers.c',
  'qdev-monitor.c',
), sdl)

softmmu_ss.add(when: 'CONFIG_TPM', if_true: files('tpm.c'))
softmmu_ss.add(when: 'CONFIG_SECCOMP', if_true: [files('qemu-seccomp.c'), seccomp])
softmmu_ss.add(when: ['CONFIG_FDT', fdt],  if_true: [files('device_tree.c')])

common_ss.add(files('cpus-common.c'))

subdir('softmmu')

specific_ss.add(files('disas.c', 'exec.c', 'gdbstub.c'), capstone, libpmem, libdaxctl)
specific_ss.add(files('exec-vary.c'))
specific_ss.add(when: 'CONFIG_TCG', if_true: files(
  'fpu/softfloat.c',
  'tcg/optimize.c',
  'tcg/tcg-common.c',
  'tcg/tcg-op-gvec.c',
  'tcg/tcg-op-vec.c',
  'tcg/tcg-op.c',
  'tcg/tcg.c',
))
specific_ss.add(when: 'CONFIG_TCG_INTERPRETER', if_true: files('disas/tci.c', 'tcg/tci.c'))

subdir('backends')
subdir('disas')
subdir('migration')
subdir('monitor')
subdir('net')
subdir('replay')
subdir('hw')
subdir('accel')
subdir('plugins')
subdir('bsd-user')
subdir('linux-user')

bsd_user_ss.add(files('gdbstub.c'))
specific_ss.add_all(when: 'CONFIG_BSD_USER', if_true: bsd_user_ss)

linux_user_ss.add(files('gdbstub.c', 'thunk.c'))
specific_ss.add_all(when: 'CONFIG_LINUX_USER', if_true: linux_user_ss)

# needed for fuzzing binaries
subdir('tests/qtest/libqos')
subdir('tests/qtest/fuzz')

block_mods = []
softmmu_mods = []
foreach d, list : modules
  foreach m, module_ss : list
    if enable_modules and targetos != 'windows'
      module_ss = module_ss.apply(config_all, strict: false)
      sl = static_library(d + '-' + m, [genh, module_ss.sources()],
                          dependencies: [modulecommon, module_ss.dependencies()], pic: true)
      if d == 'block'
        block_mods += sl
      else
        softmmu_mods += sl
      endif
    else
      if d == 'block'
        block_ss.add_all(module_ss)
      else
        softmmu_ss.add_all(module_ss)
      endif
    endif
  endforeach
endforeach

nm = find_program('nm')
undefsym = find_program('scripts/undefsym.py')
block_syms = custom_target('block.syms', output: 'block.syms',
                             input: [libqemuutil, block_mods],
                             capture: true,
                             command: [undefsym, nm, '@INPUT@'])
qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
                             input: [libqemuutil, softmmu_mods],
                             capture: true,
                             command: [undefsym, nm, '@INPUT@'])

block_ss = block_ss.apply(config_host, strict: false)
libblock = static_library('block', block_ss.sources() + genh,
                          dependencies: block_ss.dependencies(),
                          link_depends: block_syms,
                          name_suffix: 'fa',
                          build_by_default: false)

block = declare_dependency(link_whole: [libblock],
                           link_args: '@block.syms',
                           dependencies: [crypto, io])

qmp_ss = qmp_ss.apply(config_host, strict: false)
libqmp = static_library('qmp', qmp_ss.sources() + genh,
                        dependencies: qmp_ss.dependencies(),
                        name_suffix: 'fa',
                        build_by_default: false)

qmp = declare_dependency(link_whole: [libqmp])

foreach m : block_mods + softmmu_mods
  shared_module(m.name(),
                name_prefix: '',
                link_whole: m,
                install: true,
                install_dir: config_host['qemu_moddir'])
endforeach

softmmu_ss.add(authz, block, chardev, crypto, io, qmp)
common_ss.add(qom, qemuutil)

common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)

common_all = common_ss.apply(config_all, strict: false)
common_all = static_library('common',
                            build_by_default: false,
                            sources: common_all.sources() + genh,
                            dependencies: common_all.dependencies(),
                            name_suffix: 'fa')

feature_to_c = find_program('scripts/feature_to_c.sh')

emulators = {}
foreach target : target_dirs
  config_target = config_target_mak[target]
  target_name = config_target['TARGET_NAME']
  arch = config_target['TARGET_BASE_ARCH']
  arch_srcs = [config_target_h[target]]
  arch_deps = []
  c_args = ['-DNEED_CPU_H',
            '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
            '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
  link_args = emulator_link_args

  config_target += config_host
  target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
  if targetos == 'linux'
    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[arch].apply(config_target, strict: false)
    arch_srcs += t.sources()
    arch_deps += t.dependencies()

    hw_dir = target_name == 'sparc64' ? 'sparc64' : arch
    hw = hw_arch[hw_dir].apply(config_target, strict: false)
    arch_srcs += hw.sources()
    arch_deps += hw.dependencies()

    arch_srcs += config_devices_h[target]
    link_args += ['@block.syms', '@qemu.syms']
  else
    abi = config_target['TARGET_ABI_DIR']
    target_type='user'
    qemu_target_name = 'qemu-' + target_name
    if 'CONFIG_LINUX_USER' in config_target
      base_dir = 'linux-user'
      target_inc += include_directories('linux-user/host/' / config_host['ARCH'])
    else
      base_dir = 'bsd-user'
    endif
    target_inc += include_directories(
      base_dir,
      base_dir / abi,
    )
    if 'CONFIG_LINUX_USER' in config_target
      dir = base_dir / abi
      arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
      if config_target.has_key('TARGET_SYSTBL_ABI')
        arch_srcs += \
          syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
                                             extra_args : config_target['TARGET_SYSTBL_ABI'])
      endif
    endif
  endif

  if 'TARGET_XML_FILES' in config_target
    gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
                                output: target + '-gdbstub-xml.c',
                                input: files(config_target['TARGET_XML_FILES'].split()),
                                command: [feature_to_c, '@INPUT@'],
                                capture: true)
    arch_srcs += gdbstub_xml
  endif

  t = target_arch[arch].apply(config_target, strict: false)
  arch_srcs += t.sources()
  arch_deps += t.dependencies()

  target_common = common_ss.apply(config_target, strict: false)
  objects = common_all.extract_objects(target_common.sources())
  deps = target_common.dependencies()

  target_specific = specific_ss.apply(config_target, strict: false)
  arch_srcs += target_specific.sources()
  arch_deps += target_specific.dependencies()

  lib = static_library('qemu-' + target,
                 sources: arch_srcs + genh,
                 dependencies: arch_deps,
                 objects: objects,
                 include_directories: target_inc,
                 c_args: c_args,
                 build_by_default: false,
                 name_suffix: 'fa')

  if target.endswith('-softmmu')
    execs = [{
      'name': 'qemu-system-' + target_name,
      'gui': false,
      'sources': files('softmmu/main.c'),
      'dependencies': []
    }]
    if targetos == 'windows' and (sdl.found() or gtk.found())
      execs += [{
        'name': 'qemu-system-' + target_name + 'w',
        'gui': true,
        'sources': files('softmmu/main.c'),
        'dependencies': []
      }]
    endif
    if config_host.has_key('CONFIG_FUZZ')
      specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
      execs += [{
        'name': 'qemu-fuzz-' + target_name,
        'gui': false,
        'sources': specific_fuzz.sources(),
        'dependencies': specific_fuzz.dependencies(),
      }]
    endif
  else
    execs = [{
      'name': 'qemu-' + target_name,
      'gui': false,
      'sources': [],
      'dependencies': []
    }]
  endif
  foreach exe: execs
    emulators += {exe['name']:
         executable(exe['name'], exe['sources'],
               install: true,
               c_args: c_args,
               dependencies: arch_deps + deps + exe['dependencies'],
               objects: lib.extract_all_objects(recursive: true),
               link_language: link_language,
               link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
               link_args: link_args,
               gui_app: exe['gui'])
    }

    if 'CONFIG_TRACE_SYSTEMTAP' in config_host
      foreach stp: [
        {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
        {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
        {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
        {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
      ]
        custom_target(exe['name'] + stp['ext'],
                      input: trace_events_all,
                      output: exe['name'] + stp['ext'],
                      capture: true,
                      install: stp['install'],
                      install_dir: qemu_datadir / '../systemtap/tapset',
                      command: [
                        tracetool, '--group=all', '--format=' + stp['fmt'],
                        '--binary=' + stp['bin'],
                        '--target-name=' + target_name,
                        '--target-type=' + target_type,
                        '--probe-prefix=qemu.' + target_type + '.' + target_name,
                        '@INPUT@',
                      ])
      endforeach
    endif
  endforeach
endforeach

# Other build targets

if 'CONFIG_PLUGIN' in config_host
  install_headers('include/qemu/qemu-plugin.h')
endif

if 'CONFIG_GUEST_AGENT' in config_host
  subdir('qga')
endif

# Don't build qemu-keymap if xkbcommon is not explicitly enabled
# when we don't build tools or system
if xkbcommon.found()
  # used for the update-keymaps target, so include rules even if !have_tools
  qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
                           dependencies: [qemuutil, xkbcommon], install: have_tools)
endif

if have_tools
  qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
             dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
  qemu_io = executable('qemu-io', files('qemu-io.c'),
             dependencies: [block, qemuutil], install: true)
  qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
               dependencies: [block, qemuutil], install: true)

  subdir('storage-daemon')
  subdir('contrib/rdmacm-mux')
  subdir('contrib/elf2dmp')

  executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
             dependencies: qemuutil,
             install: true)

  if 'CONFIG_VHOST_USER' in config_host
    subdir('contrib/libvhost-user')
    subdir('contrib/vhost-user-blk')
    subdir('contrib/vhost-user-gpu')
    subdir('contrib/vhost-user-input')
    subdir('contrib/vhost-user-scsi')
  endif

  if targetos == 'linux'
    executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
               dependencies: [qemuutil, libcap_ng],
               install: true,
               install_dir: get_option('libexecdir'))

    executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
               dependencies: [authz, crypto, io, qom, qemuutil,
                              libcap_ng, mpathpersist],
               install: true)
  endif

  if 'CONFIG_IVSHMEM' in config_host
    subdir('contrib/ivshmem-client')
    subdir('contrib/ivshmem-server')
  endif
endif

subdir('scripts')
subdir('tools')
subdir('pc-bios')
subdir('tests')
subdir('docs')
if 'CONFIG_GTK' in config_host
  subdir('po')
endif

if host_machine.system() == 'windows'
  nsis_cmd = [
    find_program('scripts/nsis.py'),
    '@OUTPUT@',
    get_option('prefix'),
    meson.current_source_dir(),
    host_machine.cpu_family(),
    '--',
    '-DDISPLAYVERSION=' + meson.project_version(),
  ]
  if build_docs
    nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
  endif
  if 'CONFIG_GTK' in config_host
    nsis_cmd += '-DCONFIG_GTK=y'
  endif

  nsis = custom_target('nsis',
                       output: 'qemu-setup-' + meson.project_version() + '.exe',
                       input: files('qemu.nsi'),
                       build_always_stale: true,
                       command: nsis_cmd + ['@INPUT@'])
  alias_target('installer', nsis)
endif

summary_info = {}
summary_info += {'Install prefix':    config_host['prefix']}
summary_info += {'BIOS directory':    config_host['qemu_datadir']}
summary_info += {'firmware path':     config_host['qemu_firmwarepath']}
summary_info += {'binary directory':  config_host['bindir']}
summary_info += {'library directory': config_host['libdir']}
summary_info += {'module directory':  config_host['qemu_moddir']}
summary_info += {'libexec directory': config_host['libexecdir']}
summary_info += {'include directory': config_host['includedir']}
summary_info += {'config directory':  config_host['sysconfdir']}
if targetos != 'windows'
  summary_info += {'local state directory': config_host['qemu_localstatedir']}
  summary_info += {'Manual directory':      get_option('mandir')}
else
  summary_info += {'local state directory': 'queried at runtime'}
endif
summary_info += {'Doc directory':     get_option('docdir')}
summary_info += {'Build directory':   meson.current_build_dir()}
summary_info += {'Source path':       meson.current_source_dir()}
summary_info += {'GIT binary':        config_host['GIT']}
summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
summary_info += {'C compiler':        meson.get_compiler('c').cmd_array()[0]}
summary_info += {'Host C compiler':   meson.get_compiler('c', native: true).cmd_array()[0]}
if link_language == 'cpp'
  summary_info += {'C++ compiler':      meson.get_compiler('cpp').cmd_array()[0]}
else
  summary_info += {'C++ compiler':      false}
endif
if targetos == 'darwin'
  summary_info += {'Objective-C compiler': meson.get_compiler('objc').cmd_array()[0]}
endif
summary_info += {'ARFLAGS':           config_host['ARFLAGS']}
summary_info += {'CFLAGS':            config_host['CFLAGS']}
summary_info += {'QEMU_CFLAGS':       config_host['QEMU_CFLAGS']}
summary_info += {'QEMU_LDFLAGS':      config_host['QEMU_LDFLAGS']}
summary_info += {'make':              config_host['MAKE']}
summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
summary_info += {'sphinx-build':      config_host['SPHINX_BUILD']}
summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
# TODO: add back version
summary_info += {'slirp support':     config_host.has_key('CONFIG_SLIRP')}
if config_host.has_key('CONFIG_SLIRP')
  summary_info += {'smbd':            config_host['CONFIG_SMBD_COMMAND']}
endif
summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
if config_host.has_key('CONFIG_MODULES')
  summary_info += {'alternative module path': config_host.has_key('CONFIG_MODULE_UPGRADES')}
endif
summary_info += {'host CPU':          cpu}
summary_info += {'host endianness':   build_machine.endian()}
summary_info += {'target list':       ' '.join(target_dirs)}
summary_info += {'gprof enabled':     config_host.has_key('CONFIG_GPROF')}
summary_info += {'sparse enabled':    meson.get_compiler('c').cmd_array().contains('cgcc')}
summary_info += {'strip binaries':    get_option('strip')}
summary_info += {'profiler':          config_host.has_key('CONFIG_PROFILER')}
summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
if targetos == 'darwin'
  summary_info += {'Cocoa support': config_host.has_key('CONFIG_COCOA')}
endif
# TODO: add back version
summary_info += {'SDL support':       sdl.found()}
summary_info += {'SDL image support': sdl_image.found()}
# TODO: add back version
summary_info += {'GTK support':       config_host.has_key('CONFIG_GTK')}
summary_info += {'GTK GL support':    config_host.has_key('CONFIG_GTK_GL')}
summary_info += {'pixman':            pixman.found()}
# TODO: add back version
summary_info += {'VTE support':       config_host.has_key('CONFIG_VTE')}
summary_info += {'TLS priority':      config_host['CONFIG_TLS_PRIORITY']}
summary_info += {'GNUTLS support':    config_host.has_key('CONFIG_GNUTLS')}
# TODO: add back version
summary_info += {'libgcrypt':         config_host.has_key('CONFIG_GCRYPT')}
if config_host.has_key('CONFIG_GCRYPT')
   summary_info += {'  hmac':            config_host.has_key('CONFIG_GCRYPT_HMAC')}
   summary_info += {'  XTS':             not config_host.has_key('CONFIG_QEMU_PRIVATE_XTS')}
endif
# TODO: add back version
summary_info += {'nettle':            config_host.has_key('CONFIG_NETTLE')}
if config_host.has_key('CONFIG_NETTLE')
   summary_info += {'  XTS':             not config_host.has_key('CONFIG_QEMU_PRIVATE_XTS')}
endif
summary_info += {'libtasn1':          config_host.has_key('CONFIG_TASN1')}
summary_info += {'PAM':               config_host.has_key('CONFIG_AUTH_PAM')}
summary_info += {'iconv support':     config_host.has_key('CONFIG_ICONV')}
summary_info += {'curses support':    config_host.has_key('CONFIG_CURSES')}
# TODO: add back version
summary_info += {'virgl support':     config_host.has_key('CONFIG_VIRGL')}
summary_info += {'curl support':      config_host.has_key('CONFIG_CURL')}
summary_info += {'mingw32 support':   targetos == 'windows'}
summary_info += {'Audio drivers':     config_host['CONFIG_AUDIO_DRIVERS']}
summary_info += {'Block whitelist (rw)': config_host['CONFIG_BDRV_RW_WHITELIST']}
summary_info += {'Block whitelist (ro)': config_host['CONFIG_BDRV_RO_WHITELIST']}
summary_info += {'VirtFS support':    config_host.has_key('CONFIG_VIRTFS')}
summary_info += {'Multipath support': mpathpersist.found()}
summary_info += {'VNC support':       vnc.found()}
if vnc.found()
  summary_info += {'VNC SASL support':  sasl.found()}
  summary_info += {'VNC JPEG support':  jpeg.found()}
  summary_info += {'VNC PNG support':   png.found()}
endif
summary_info += {'xen support':       config_host.has_key('CONFIG_XEN_BACKEND')}
if config_host.has_key('CONFIG_XEN_BACKEND')
  summary_info += {'xen ctrl version':  config_host['CONFIG_XEN_CTRL_INTERFACE_VERSION']}
endif
summary_info += {'brlapi support':    config_host.has_key('CONFIG_BRLAPI')}
summary_info += {'Documentation':     config_host.has_key('BUILD_DOCS')}
summary_info += {'PIE':               get_option('b_pie')}
summary_info += {'vde support':       config_host.has_key('CONFIG_VDE')}
summary_info += {'netmap support':    config_host.has_key('CONFIG_NETMAP')}
summary_info += {'Linux AIO support': config_host.has_key('CONFIG_LINUX_AIO')}
summary_info += {'Linux io_uring support': config_host.has_key('CONFIG_LINUX_IO_URING')}
summary_info += {'ATTR/XATTR support': config_host.has_key('CONFIG_ATTR')}
summary_info += {'Install blobs':     config_host.has_key('INSTALL_BLOBS')}
summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
if config_all.has_key('CONFIG_TCG')
  summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
  summary_info += {'TCG interpreter':   config_host.has_key('CONFIG_TCG_INTERPRETER')}
endif
summary_info += {'malloc trim support': has_malloc_trim}
summary_info += {'RDMA support':      config_host.has_key('CONFIG_RDMA')}
summary_info += {'PVRDMA support':    config_host.has_key('CONFIG_PVRDMA')}
summary_info += {'fdt support':       config_host.has_key('CONFIG_FDT')}
summary_info += {'membarrier':        config_host.has_key('CONFIG_MEMBARRIER')}
summary_info += {'preadv support':    config_host.has_key('CONFIG_PREADV')}
summary_info += {'fdatasync':         config_host.has_key('CONFIG_FDATASYNC')}
summary_info += {'madvise':           config_host.has_key('CONFIG_MADVISE')}
summary_info += {'posix_madvise':     config_host.has_key('CONFIG_POSIX_MADVISE')}
summary_info += {'posix_memalign':    config_host.has_key('CONFIG_POSIX_MEMALIGN')}
summary_info += {'libcap-ng support': config_host.has_key('CONFIG_LIBCAP_NG')}
summary_info += {'vhost-net support': config_host.has_key('CONFIG_VHOST_NET')}
summary_info += {'vhost-crypto support': config_host.has_key('CONFIG_VHOST_CRYPTO')}
summary_info += {'vhost-scsi support': config_host.has_key('CONFIG_VHOST_SCSI')}
summary_info += {'vhost-vsock support': config_host.has_key('CONFIG_VHOST_VSOCK')}
summary_info += {'vhost-user support': config_host.has_key('CONFIG_VHOST_KERNEL')}
summary_info += {'vhost-user-fs support': config_host.has_key('CONFIG_VHOST_USER_FS')}
summary_info += {'vhost-vdpa support': config_host.has_key('CONFIG_VHOST_VDPA')}
summary_info += {'Trace backends':    config_host['TRACE_BACKENDS']}
if config_host['TRACE_BACKENDS'].split().contains('simple')
  summary_info += {'Trace output file': config_host['CONFIG_TRACE_FILE'] + '-<pid>'}
endif
# TODO: add back protocol and server version
summary_info += {'spice support':     config_host.has_key('CONFIG_SPICE')}
summary_info += {'rbd support':       config_host.has_key('CONFIG_RBD')}
summary_info += {'xfsctl support':    config_host.has_key('CONFIG_XFS')}
summary_info += {'smartcard support': config_host.has_key('CONFIG_SMARTCARD')}
summary_info += {'U2F support':       u2f.found()}
summary_info += {'libusb':            config_host.has_key('CONFIG_USB_LIBUSB')}
summary_info += {'usb net redir':     config_host.has_key('CONFIG_USB_REDIR')}
summary_info += {'OpenGL support':    config_host.has_key('CONFIG_OPENGL')}
summary_info += {'OpenGL dmabufs':    config_host.has_key('CONFIG_OPENGL_DMABUF')}
summary_info += {'libiscsi support':  config_host.has_key('CONFIG_LIBISCSI')}
summary_info += {'libnfs support':    config_host.has_key('CONFIG_LIBNFS')}
summary_info += {'build guest agent': config_host.has_key('CONFIG_GUEST_AGENT')}
if targetos == 'windows'
  if 'WIN_SDK' in config_host
    summary_info += {'Windows SDK':       config_host['WIN_SDK']}
  endif
  summary_info += {'QGA VSS support':   config_host.has_key('CONFIG_QGA_VSS')}
  summary_info += {'QGA w32 disk info': config_host.has_key('CONFIG_QGA_NTDDSCSI')}
  summary_info += {'QGA MSI support':   config_host.has_key('CONFIG_QGA_MSI')}
endif
summary_info += {'seccomp support':   config_host.has_key('CONFIG_SECCOMP')}
summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
summary_info += {'coroutine pool':    config_host['CONFIG_COROUTINE_POOL'] == '1'}
summary_info += {'debug stack usage': config_host.has_key('CONFIG_DEBUG_STACK_USAGE')}
summary_info += {'mutex debugging':   config_host.has_key('CONFIG_DEBUG_MUTEX')}
summary_info += {'crypto afalg':      config_host.has_key('CONFIG_AF_ALG')}
summary_info += {'GlusterFS support': config_host.has_key('CONFIG_GLUSTERFS')}
summary_info += {'gcov':              get_option('b_coverage')}
summary_info += {'TPM support':       config_host.has_key('CONFIG_TPM')}
summary_info += {'libssh support':    config_host.has_key('CONFIG_LIBSSH')}
summary_info += {'QOM debugging':     config_host.has_key('CONFIG_QOM_CAST_DEBUG')}
summary_info += {'Live block migration': config_host.has_key('CONFIG_LIVE_BLOCK_MIGRATION')}
summary_info += {'lzo support':       config_host.has_key('CONFIG_LZO')}
summary_info += {'snappy support':    config_host.has_key('CONFIG_SNAPPY')}
summary_info += {'bzip2 support':     config_host.has_key('CONFIG_BZIP2')}
summary_info += {'lzfse support':     config_host.has_key('CONFIG_LZFSE')}
summary_info += {'zstd support':      config_host.has_key('CONFIG_ZSTD')}
summary_info += {'NUMA host support': config_host.has_key('CONFIG_NUMA')}
summary_info += {'libxml2':           config_host.has_key('CONFIG_LIBXML2')}
summary_info += {'memory allocator':  get_option('malloc')}
summary_info += {'avx2 optimization': config_host.has_key('CONFIG_AVX2_OPT')}
summary_info += {'avx512f optimization': config_host.has_key('CONFIG_AVX512F_OPT')}
summary_info += {'replication support': config_host.has_key('CONFIG_REPLICATION')}
summary_info += {'bochs support':     config_host.has_key('CONFIG_BOCHS')}
summary_info += {'cloop support':     config_host.has_key('CONFIG_CLOOP')}
summary_info += {'dmg support':       config_host.has_key('CONFIG_DMG')}
summary_info += {'qcow v1 support':   config_host.has_key('CONFIG_QCOW1')}
summary_info += {'vdi support':       config_host.has_key('CONFIG_VDI')}
summary_info += {'vvfat support':     config_host.has_key('CONFIG_VVFAT')}
summary_info += {'qed support':       config_host.has_key('CONFIG_QED')}
summary_info += {'parallels support': config_host.has_key('CONFIG_PARALLELS')}
summary_info += {'sheepdog support':  config_host.has_key('CONFIG_SHEEPDOG')}
summary_info += {'capstone':          config_host.has_key('CONFIG_CAPSTONE')}
summary_info += {'libpmem support':   config_host.has_key('CONFIG_LIBPMEM')}
summary_info += {'libdaxctl support': config_host.has_key('CONFIG_LIBDAXCTL')}
summary_info += {'libudev':           libudev.found()}
summary_info += {'default devices':   config_host['CONFIG_MINIKCONF_MODE'] == '--defconfig'}
summary_info += {'plugin support':    config_host.has_key('CONFIG_PLUGIN')}
summary_info += {'fuzzing support':   config_host.has_key('CONFIG_FUZZ')}
if config_host.has_key('HAVE_GDB_BIN')
  summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
endif
summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
summary_info += {'rng-none':          config_host.has_key('CONFIG_RNG_NONE')}
summary_info += {'Linux keyring':     config_host.has_key('CONFIG_SECRET_KEYRING')}
summary(summary_info, bool_yn: true)

if not supported_cpus.contains(cpu)
  message()
  warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
  message()
  message('CPU host architecture ' + cpu + ' support is not currently maintained.')
  message('The QEMU project intends to remove support for this host CPU in')
  message('a future release if nobody volunteers to maintain it and to')
  message('provide a build host for our continuous integration setup.')
  message('configure has succeeded and you can continue to build, but')
  message('if you care about QEMU on this platform you should contact')
  message('us upstream at qemu-devel@nongnu.org.')
endif

if not supported_oses.contains(targetos)
  message()
  warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
  message()
  message('Host OS ' + targetos + 'support is not currently maintained.')
  message('The QEMU project intends to remove support for this host OS in')
  message('a future release if nobody volunteers to maintain it and to')
  message('provide a build host for our continuous integration setup.')
  message('configure has succeeded and you can continue to build, but')
  message('if you care about QEMU on this platform you should contact')
  message('us upstream at qemu-devel@nongnu.org.')
endif