xref: /qemu/meson.build (revision 52581c71)
1project('qemu', ['c'], meson_version: '>=0.59.3',
2        default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
3                          'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
4        version: files('VERSION'))
5
6add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true)
7add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
8add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
9
10not_found = dependency('', required: false)
11keyval = import('keyval')
12ss = import('sourceset')
13fs = import('fs')
14
15sh = find_program('sh')
16cc = meson.get_compiler('c')
17config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
18enable_modules = 'CONFIG_MODULES' in config_host
19enable_static = 'CONFIG_STATIC' in config_host
20
21# Allow both shared and static libraries unless --enable-static
22static_kwargs = enable_static ? {'static': true} : {}
23
24# Temporary directory used for files created while
25# configure runs. Since it is in the build directory
26# we can safely blow away any previous version of it
27# (and we need not jump through hoops to try to delete
28# it when configure exits.)
29tmpdir = meson.current_build_dir() / 'meson-private/temp'
30
31if get_option('qemu_suffix').startswith('/')
32  error('qemu_suffix cannot start with a /')
33endif
34
35qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
36qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
37qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
38qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
39
40qemu_desktopdir = get_option('datadir') / 'applications'
41qemu_icondir = get_option('datadir') / 'icons'
42
43config_host_data = configuration_data()
44genh = []
45qapi_trace_events = []
46
47bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
48supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
49supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
50  'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc', 'sparc64']
51
52cpu = host_machine.cpu_family()
53
54# Unify riscv* to a single family.
55if cpu in ['riscv32', 'riscv64']
56  cpu = 'riscv'
57endif
58
59targetos = host_machine.system()
60
61target_dirs = config_host['TARGET_DIRS'].split()
62have_linux_user = false
63have_bsd_user = false
64have_system = false
65foreach target : target_dirs
66  have_linux_user = have_linux_user or target.endswith('linux-user')
67  have_bsd_user = have_bsd_user or target.endswith('bsd-user')
68  have_system = have_system or target.endswith('-softmmu')
69endforeach
70have_user = have_linux_user or have_bsd_user
71have_tools = get_option('tools') \
72  .disable_auto_if(not have_system) \
73  .allowed()
74have_ga = get_option('guest_agent') \
75  .disable_auto_if(not have_system and not have_tools) \
76  .require(targetos in ['sunos', 'linux', 'windows'],
77           error_message: 'unsupported OS for QEMU guest agent') \
78  .allowed()
79have_block = have_system or have_tools
80
81python = import('python').find_installation()
82
83if cpu not in supported_cpus
84  host_arch = 'unknown'
85elif cpu == 'x86'
86  host_arch = 'i386'
87elif cpu == 'mips64'
88  host_arch = 'mips'
89else
90  host_arch = cpu
91endif
92
93if cpu in ['x86', 'x86_64']
94  kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
95elif cpu == 'aarch64'
96  kvm_targets = ['aarch64-softmmu']
97elif cpu == 's390x'
98  kvm_targets = ['s390x-softmmu']
99elif cpu in ['ppc', 'ppc64']
100  kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
101elif cpu in ['mips', 'mips64']
102  kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
103elif cpu in ['riscv']
104  kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
105else
106  kvm_targets = []
107endif
108
109kvm_targets_c = '""'
110if get_option('kvm').allowed() and targetos == 'linux'
111  kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
112endif
113config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
114
115accelerator_targets = { 'CONFIG_KVM': kvm_targets }
116
117if cpu in ['aarch64']
118  accelerator_targets += {
119    'CONFIG_HVF': ['aarch64-softmmu']
120  }
121endif
122
123if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
124  # i386 emulator provides xenpv machine type for multiple architectures
125  accelerator_targets += {
126    'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
127  }
128endif
129if cpu in ['x86', 'x86_64']
130  accelerator_targets += {
131    'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
132    'CONFIG_HVF': ['x86_64-softmmu'],
133    'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
134    'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
135  }
136endif
137
138modular_tcg = []
139# Darwin does not support references to thread-local variables in modules
140if targetos != 'darwin'
141  modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
142endif
143
144edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
145unpack_edk2_blobs = false
146foreach target : edk2_targets
147  if target in target_dirs
148    bzip2 = find_program('bzip2', required: get_option('install_blobs'))
149    unpack_edk2_blobs = bzip2.found()
150    break
151  endif
152endforeach
153
154dtrace = not_found
155stap = not_found
156if 'dtrace' in get_option('trace_backends')
157  dtrace = find_program('dtrace', required: true)
158  stap = find_program('stap', required: false)
159  if stap.found()
160    # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
161    # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
162    # instead. QEMU --enable-modules depends on this because the SystemTap
163    # semaphores are linked into the main binary and not the module's shared
164    # object.
165    add_global_arguments('-DSTAP_SDT_V2',
166                         native: false, language: ['c', 'cpp', 'objc'])
167  endif
168endif
169
170if get_option('iasl') == ''
171  iasl = find_program('iasl', required: false)
172else
173  iasl = find_program(get_option('iasl'), required: true)
174endif
175
176##################
177# Compiler flags #
178##################
179
180qemu_cflags = config_host['QEMU_CFLAGS'].split()
181qemu_cxxflags = config_host['QEMU_CXXFLAGS'].split()
182qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split()
183qemu_ldflags = config_host['QEMU_LDFLAGS'].split()
184
185if targetos == 'windows'
186  qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
187  # Disable ASLR for debug builds to allow debugging with gdb
188  if get_option('optimization') == '0'
189    qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase')
190  endif
191endif
192
193if get_option('gprof')
194  qemu_cflags += ['-p']
195  qemu_cxxflags += ['-p']
196  qemu_objcflags += ['-p']
197  qemu_ldflags += ['-p']
198endif
199
200# Specify linker-script with add_project_link_arguments so that it is not placed
201# within a linker --start-group/--end-group pair
202if get_option('fuzzing')
203  add_project_link_arguments(['-Wl,-T,',
204                              (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
205                             native: false, language: ['c', 'cpp', 'objc'])
206
207  # Specify a filter to only instrument code that is directly related to
208  # virtual-devices.
209  configure_file(output: 'instrumentation-filter',
210                 input: 'scripts/oss-fuzz/instrumentation-filter-template',
211                 copy: true)
212  add_global_arguments(
213      cc.get_supported_arguments('-fsanitize-coverage-allowlist=instrumentation-filter'),
214      native: false, language: ['c', 'cpp', 'objc'])
215
216  if get_option('fuzzing_engine') == ''
217    # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
218    # compiled code.  To build non-fuzzer binaries with --enable-fuzzing, link
219    # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
220    # unable to bind the fuzzer-related callbacks added by instrumentation.
221    add_global_arguments('-fsanitize=fuzzer-no-link',
222                         native: false, language: ['c', 'cpp', 'objc'])
223    add_global_link_arguments('-fsanitize=fuzzer-no-link',
224                              native: false, language: ['c', 'cpp', 'objc'])
225    # For the actual fuzzer binaries, we need to link against the libfuzzer
226    # library. They need to be configurable, to support OSS-Fuzz
227    fuzz_exe_ldflags = ['-fsanitize=fuzzer']
228  else
229    # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
230    # the needed CFLAGS have already been provided
231    fuzz_exe_ldflags = get_option('fuzzing_engine').split()
232  endif
233endif
234
235add_global_arguments(qemu_cflags, native: false, language: ['c'])
236add_global_arguments(qemu_cxxflags, native: false, language: ['cpp'])
237add_global_arguments(qemu_objcflags, native: false, language: ['objc'])
238add_global_link_arguments(qemu_ldflags, native: false, language: ['c', 'cpp', 'objc'])
239
240if targetos == 'linux'
241  add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
242                        '-isystem', 'linux-headers',
243                        language: ['c', 'cpp'])
244endif
245
246add_project_arguments('-iquote', '.',
247                      '-iquote', meson.current_source_dir(),
248                      '-iquote', meson.current_source_dir() / 'include',
249                      '-iquote', meson.current_source_dir() / 'disas/libvixl',
250                      language: ['c', 'cpp', 'objc'])
251
252link_language = meson.get_external_property('link_language', 'cpp')
253if link_language == 'cpp'
254  add_languages('cpp', required: true, native: false)
255  cxx = meson.get_compiler('cpp')
256  linker = cxx
257else
258  linker = cc
259endif
260if host_machine.system() == 'darwin'
261  add_languages('objc', required: false, native: false)
262endif
263
264sparse = find_program('cgcc', required: get_option('sparse'))
265if sparse.found()
266  run_target('sparse',
267             command: [find_program('scripts/check_sparse.py'),
268                       'compile_commands.json', sparse.full_path(), '-Wbitwise',
269                       '-Wno-transparent-union', '-Wno-old-initializer',
270                       '-Wno-non-pointer-null'])
271endif
272
273###########################################
274# Target-specific checks and dependencies #
275###########################################
276
277# Fuzzing
278if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
279    not cc.links('''
280          #include <stdint.h>
281          #include <sys/types.h>
282          int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
283          int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
284        ''',
285        args: ['-Werror', '-fsanitize=fuzzer'])
286  error('Your compiler does not support -fsanitize=fuzzer')
287endif
288
289# Tracing backends
290if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
291  error('ftrace is supported only on Linux')
292endif
293if 'syslog' in get_option('trace_backends') and not cc.compiles('''
294    #include <syslog.h>
295    int main(void) {
296        openlog("qemu", LOG_PID, LOG_DAEMON);
297        syslog(LOG_INFO, "configure");
298        return 0;
299    }''')
300  error('syslog is not supported on this system')
301endif
302
303# Miscellaneous Linux-only features
304get_option('mpath') \
305  .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
306
307multiprocess_allowed = get_option('multiprocess') \
308  .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
309  .allowed()
310
311have_tpm = get_option('tpm') \
312  .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
313  .allowed()
314
315# vhost
316have_vhost_user = get_option('vhost_user') \
317  .disable_auto_if(targetos != 'linux') \
318  .require(targetos != 'windows',
319           error_message: 'vhost-user is not available on Windows').allowed()
320have_vhost_vdpa = get_option('vhost_vdpa') \
321  .require(targetos == 'linux',
322           error_message: 'vhost-vdpa is only available on Linux').allowed()
323have_vhost_kernel = get_option('vhost_kernel') \
324  .require(targetos == 'linux',
325           error_message: 'vhost-kernel is only available on Linux').allowed()
326have_vhost_user_crypto = get_option('vhost_crypto') \
327  .require(have_vhost_user,
328           error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
329
330have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
331
332have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
333have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
334have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
335have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
336
337# Target-specific libraries and flags
338libm = cc.find_library('m', required: false)
339threads = dependency('threads')
340util = cc.find_library('util', required: false)
341winmm = []
342socket = []
343version_res = []
344coref = []
345iokit = []
346emulator_link_args = []
347nvmm =not_found
348hvf = not_found
349midl = not_found
350widl = not_found
351host_dsosuf = '.so'
352if targetos == 'windows'
353  midl = find_program('midl', required: false)
354  widl = find_program('widl', required: false)
355  socket = cc.find_library('ws2_32')
356  winmm = cc.find_library('winmm')
357
358  win = import('windows')
359  version_res = win.compile_resources('version.rc',
360                                      depend_files: files('pc-bios/qemu-nsis.ico'),
361                                      include_directories: include_directories('.'))
362  host_dsosuf = '.dll'
363elif targetos == 'darwin'
364  coref = dependency('appleframeworks', modules: 'CoreFoundation')
365  iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
366  host_dsosuf = '.dylib'
367elif targetos == 'sunos'
368  socket = [cc.find_library('socket'),
369            cc.find_library('nsl'),
370            cc.find_library('resolv')]
371elif targetos == 'haiku'
372  socket = [cc.find_library('posix_error_mapper'),
373            cc.find_library('network'),
374            cc.find_library('bsd')]
375elif targetos == 'openbsd'
376  if get_option('tcg').allowed() and target_dirs.length() > 0
377    # Disable OpenBSD W^X if available
378    emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
379  endif
380endif
381
382# Target-specific configuration of accelerators
383accelerators = []
384if get_option('kvm').allowed() and targetos == 'linux'
385  accelerators += 'CONFIG_KVM'
386endif
387if get_option('whpx').allowed() and targetos == 'windows'
388  if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
389    error('WHPX requires 64-bit host')
390  elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
391       cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
392    accelerators += 'CONFIG_WHPX'
393  endif
394endif
395if get_option('hvf').allowed()
396  hvf = dependency('appleframeworks', modules: 'Hypervisor',
397                   required: get_option('hvf'))
398  if hvf.found()
399    accelerators += 'CONFIG_HVF'
400  endif
401endif
402if get_option('hax').allowed()
403  if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
404    accelerators += 'CONFIG_HAX'
405  endif
406endif
407if targetos == 'netbsd'
408  nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
409  if nvmm.found()
410    accelerators += 'CONFIG_NVMM'
411  endif
412endif
413
414tcg_arch = host_arch
415if get_option('tcg').allowed()
416  if host_arch == 'unknown'
417    if get_option('tcg_interpreter')
418      warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
419    else
420      error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
421    endif
422  elif get_option('tcg_interpreter')
423    warning('Use of the TCG interpreter is not recommended on this host')
424    warning('architecture. There is a native TCG execution backend available')
425    warning('which provides substantially better performance and reliability.')
426    warning('It is strongly recommended to remove the --enable-tcg-interpreter')
427    warning('configuration option on this architecture to use the native')
428    warning('backend.')
429  endif
430  if get_option('tcg_interpreter')
431    tcg_arch = 'tci'
432  elif host_arch == 'sparc64'
433    tcg_arch = 'sparc'
434  elif host_arch == 'x86_64'
435    tcg_arch = 'i386'
436  elif host_arch == 'ppc64'
437    tcg_arch = 'ppc'
438  endif
439  add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
440                        language: ['c', 'cpp', 'objc'])
441
442  accelerators += 'CONFIG_TCG'
443  config_host += { 'CONFIG_TCG': 'y' }
444endif
445
446if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
447  error('KVM not available on this platform')
448endif
449if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
450  error('HVF not available on this platform')
451endif
452if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
453  error('NVMM not available on this platform')
454endif
455if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
456  error('WHPX not available on this platform')
457endif
458
459################
460# Dependencies #
461################
462
463# The path to glib.h is added to all compilation commands.  This was
464# grandfathered in from the QEMU Makefiles.
465add_project_arguments(config_host['GLIB_CFLAGS'].split(),
466                      native: false, language: ['c', 'cpp', 'objc'])
467glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
468                          link_args: config_host['GLIB_LIBS'].split(),
469                          version: config_host['GLIB_VERSION'])
470# override glib dep with the configure results (for subprojects)
471meson.override_dependency('glib-2.0', glib)
472
473gio = not_found
474gdbus_codegen = not_found
475if not get_option('gio').auto() or have_system
476  gio = dependency('gio-2.0', required: get_option('gio'),
477                   method: 'pkg-config', kwargs: static_kwargs)
478  if gio.found() and not cc.links('''
479    #include <gio/gio.h>
480    int main(void)
481    {
482      g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
483      return 0;
484    }''', dependencies: [glib, gio])
485    if get_option('gio').enabled()
486      error('The installed libgio is broken for static linking')
487    endif
488    gio = not_found
489  endif
490  if gio.found()
491    gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
492                                 required: get_option('gio'))
493    gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
494                          method: 'pkg-config', kwargs: static_kwargs)
495    gio = declare_dependency(dependencies: [gio, gio_unix],
496                             version: gio.version())
497  endif
498endif
499
500lttng = not_found
501if 'ust' in get_option('trace_backends')
502  lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
503                     method: 'pkg-config', kwargs: static_kwargs)
504endif
505pixman = not_found
506if have_system or have_tools
507  pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
508                      method: 'pkg-config', kwargs: static_kwargs)
509endif
510zlib = dependency('zlib', required: true, kwargs: static_kwargs)
511
512libaio = not_found
513if not get_option('linux_aio').auto() or have_block
514  libaio = cc.find_library('aio', has_headers: ['libaio.h'],
515                           required: get_option('linux_aio'),
516                           kwargs: static_kwargs)
517endif
518linux_io_uring = not_found
519if not get_option('linux_io_uring').auto() or have_block
520  linux_io_uring = dependency('liburing', version: '>=0.3',
521                              required: get_option('linux_io_uring'),
522                              method: 'pkg-config', kwargs: static_kwargs)
523endif
524libnfs = not_found
525if not get_option('libnfs').auto() or have_block
526  libnfs = dependency('libnfs', version: '>=1.9.3',
527                      required: get_option('libnfs'),
528                      method: 'pkg-config', kwargs: static_kwargs)
529endif
530
531libattr_test = '''
532  #include <stddef.h>
533  #include <sys/types.h>
534  #ifdef CONFIG_LIBATTR
535  #include <attr/xattr.h>
536  #else
537  #include <sys/xattr.h>
538  #endif
539  int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
540
541libattr = not_found
542have_old_libattr = false
543if get_option('attr').allowed()
544  if cc.links(libattr_test)
545    libattr = declare_dependency()
546  else
547    libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
548                              required: get_option('attr'),
549                              kwargs: static_kwargs)
550    if libattr.found() and not \
551      cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
552      libattr = not_found
553      if get_option('attr').enabled()
554        error('could not link libattr')
555      else
556        warning('could not link libattr, disabling')
557      endif
558    else
559      have_old_libattr = libattr.found()
560    endif
561  endif
562endif
563
564cocoa = dependency('appleframeworks', modules: 'Cocoa', required: get_option('cocoa'))
565if cocoa.found() and get_option('sdl').enabled()
566  error('Cocoa and SDL cannot be enabled at the same time')
567endif
568if cocoa.found() and get_option('gtk').enabled()
569  error('Cocoa and GTK+ cannot be enabled at the same time')
570endif
571
572seccomp = not_found
573if not get_option('seccomp').auto() or have_system or have_tools
574  seccomp = dependency('libseccomp', version: '>=2.3.0',
575                       required: get_option('seccomp'),
576                       method: 'pkg-config', kwargs: static_kwargs)
577endif
578
579libcap_ng = not_found
580if not get_option('cap_ng').auto() or have_system or have_tools
581  libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
582                              required: get_option('cap_ng'),
583                              kwargs: static_kwargs)
584endif
585if libcap_ng.found() and not cc.links('''
586   #include <cap-ng.h>
587   int main(void)
588   {
589     capng_capability_to_name(CAPNG_EFFECTIVE);
590     return 0;
591   }''', dependencies: libcap_ng)
592  libcap_ng = not_found
593  if get_option('cap_ng').enabled()
594    error('could not link libcap-ng')
595  else
596    warning('could not link libcap-ng, disabling')
597  endif
598endif
599
600if get_option('xkbcommon').auto() and not have_system and not have_tools
601  xkbcommon = not_found
602else
603  xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
604                         method: 'pkg-config', kwargs: static_kwargs)
605endif
606
607vde = not_found
608if not get_option('vde').auto() or have_system or have_tools
609  vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
610                           required: get_option('vde'),
611                           kwargs: static_kwargs)
612endif
613if vde.found() and not cc.links('''
614   #include <libvdeplug.h>
615   int main(void)
616   {
617     struct vde_open_args a = {0, 0, 0};
618     char s[] = "";
619     vde_open(s, s, &a);
620     return 0;
621   }''', dependencies: vde)
622  vde = not_found
623  if get_option('cap_ng').enabled()
624    error('could not link libvdeplug')
625  else
626    warning('could not link libvdeplug, disabling')
627  endif
628endif
629
630pulse = not_found
631if not get_option('pa').auto() or (targetos == 'linux' and have_system)
632  pulse = dependency('libpulse', required: get_option('pa'),
633                     method: 'pkg-config', kwargs: static_kwargs)
634endif
635alsa = not_found
636if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
637  alsa = dependency('alsa', required: get_option('alsa'),
638                    method: 'pkg-config', kwargs: static_kwargs)
639endif
640jack = not_found
641if not get_option('jack').auto() or have_system
642  jack = dependency('jack', required: get_option('jack'),
643                    method: 'pkg-config', kwargs: static_kwargs)
644endif
645
646spice_protocol = not_found
647if not get_option('spice_protocol').auto() or have_system
648  spice_protocol = dependency('spice-protocol', version: '>=0.12.3',
649                              required: get_option('spice_protocol'),
650                              method: 'pkg-config', kwargs: static_kwargs)
651endif
652spice = not_found
653if not get_option('spice').auto() or have_system
654  spice = dependency('spice-server', version: '>=0.12.5',
655                     required: get_option('spice'),
656                     method: 'pkg-config', kwargs: static_kwargs)
657endif
658spice_headers = spice.partial_dependency(compile_args: true, includes: true)
659
660rt = cc.find_library('rt', required: false)
661
662libiscsi = not_found
663if not get_option('libiscsi').auto() or have_block
664  libiscsi = dependency('libiscsi', version: '>=1.9.0',
665                         required: get_option('libiscsi'),
666                         method: 'pkg-config', kwargs: static_kwargs)
667endif
668zstd = not_found
669if not get_option('zstd').auto() or have_block
670  zstd = dependency('libzstd', version: '>=1.4.0',
671                    required: get_option('zstd'),
672                    method: 'pkg-config', kwargs: static_kwargs)
673endif
674virgl = not_found
675
676have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
677if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
678  virgl = dependency('virglrenderer',
679                     method: 'pkg-config',
680                     required: get_option('virglrenderer'),
681                     kwargs: static_kwargs)
682endif
683curl = not_found
684if not get_option('curl').auto() or have_block
685  curl = dependency('libcurl', version: '>=7.29.0',
686                    method: 'pkg-config',
687                    required: get_option('curl'),
688                    kwargs: static_kwargs)
689endif
690libudev = not_found
691if targetos == 'linux' and (have_system or have_tools)
692  libudev = dependency('libudev',
693                       method: 'pkg-config',
694                       required: get_option('libudev'),
695                       kwargs: static_kwargs)
696endif
697
698mpathlibs = [libudev]
699mpathpersist = not_found
700mpathpersist_new_api = false
701if targetos == 'linux' and have_tools and get_option('mpath').allowed()
702  mpath_test_source_new = '''
703    #include <libudev.h>
704    #include <mpath_persist.h>
705    unsigned mpath_mx_alloc_len = 1024;
706    int logsink;
707    static struct config *multipath_conf;
708    extern struct udev *udev;
709    extern struct config *get_multipath_config(void);
710    extern void put_multipath_config(struct config *conf);
711    struct udev *udev;
712    struct config *get_multipath_config(void) { return multipath_conf; }
713    void put_multipath_config(struct config *conf) { }
714    int main(void) {
715        udev = udev_new();
716        multipath_conf = mpath_lib_init();
717        return 0;
718    }'''
719  mpath_test_source_old = '''
720      #include <libudev.h>
721      #include <mpath_persist.h>
722      unsigned mpath_mx_alloc_len = 1024;
723      int logsink;
724      int main(void) {
725          struct udev *udev = udev_new();
726          mpath_lib_init(udev);
727          return 0;
728      }'''
729  libmpathpersist = cc.find_library('mpathpersist',
730                                    required: get_option('mpath'),
731                                    kwargs: static_kwargs)
732  if libmpathpersist.found()
733    mpathlibs += libmpathpersist
734    if enable_static
735      mpathlibs += cc.find_library('devmapper',
736                                     required: get_option('mpath'),
737                                     kwargs: static_kwargs)
738    endif
739    mpathlibs += cc.find_library('multipath',
740                                 required: get_option('mpath'),
741                                 kwargs: static_kwargs)
742    foreach lib: mpathlibs
743      if not lib.found()
744        mpathlibs = []
745        break
746      endif
747    endforeach
748    if mpathlibs.length() == 0
749      msg = 'Dependencies missing for libmpathpersist'
750    elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
751      mpathpersist = declare_dependency(dependencies: mpathlibs)
752      mpathpersist_new_api = true
753    elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
754      mpathpersist = declare_dependency(dependencies: mpathlibs)
755    else
756      msg = 'Cannot detect libmpathpersist API'
757    endif
758    if not mpathpersist.found()
759      if get_option('mpath').enabled()
760        error(msg)
761      else
762        warning(msg + ', disabling')
763      endif
764    endif
765  endif
766endif
767
768iconv = not_found
769curses = not_found
770if have_system and get_option('curses').allowed()
771  curses_test = '''
772    #if defined(__APPLE__) || defined(__OpenBSD__)
773    #define _XOPEN_SOURCE_EXTENDED 1
774    #endif
775    #include <locale.h>
776    #include <curses.h>
777    #include <wchar.h>
778    int main(void) {
779      wchar_t wch = L'w';
780      setlocale(LC_ALL, "");
781      resize_term(0, 0);
782      addwstr(L"wide chars\n");
783      addnwstr(&wch, 1);
784      add_wch(WACS_DEGREE);
785      return 0;
786    }'''
787
788  curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
789  foreach curses_dep : curses_dep_list
790    if not curses.found()
791      curses = dependency(curses_dep,
792                          required: false,
793                          method: 'pkg-config',
794                          kwargs: static_kwargs)
795    endif
796  endforeach
797  msg = get_option('curses').enabled() ? 'curses library not found' : ''
798  curses_compile_args = ['-DNCURSES_WIDECHAR=1']
799  if curses.found()
800    if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
801      curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
802    else
803      msg = 'curses package not usable'
804      curses = not_found
805    endif
806  endif
807  if not curses.found()
808    has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
809    if targetos != 'windows' and not has_curses_h
810      message('Trying with /usr/include/ncursesw')
811      curses_compile_args += ['-I/usr/include/ncursesw']
812      has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
813    endif
814    if has_curses_h
815      curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
816      foreach curses_libname : curses_libname_list
817        libcurses = cc.find_library(curses_libname,
818                                    required: false,
819                                    kwargs: static_kwargs)
820        if libcurses.found()
821          if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
822            curses = declare_dependency(compile_args: curses_compile_args,
823                                        dependencies: [libcurses])
824            break
825          else
826            msg = 'curses library not usable'
827          endif
828        endif
829      endforeach
830    endif
831  endif
832  if get_option('iconv').allowed()
833    foreach link_args : [ ['-liconv'], [] ]
834      # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
835      # We need to use libiconv if available because mixing libiconv's headers with
836      # the system libc does not work.
837      # However, without adding glib to the dependencies -L/usr/local/lib will not be
838      # included in the command line and libiconv will not be found.
839      if cc.links('''
840        #include <iconv.h>
841        int main(void) {
842          iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
843          return conv != (iconv_t) -1;
844        }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
845        iconv = declare_dependency(link_args: link_args, dependencies: glib)
846        break
847      endif
848    endforeach
849  endif
850  if curses.found() and not iconv.found()
851    if get_option('iconv').enabled()
852      error('iconv not available')
853    endif
854    msg = 'iconv required for curses UI but not available'
855    curses = not_found
856  endif
857  if not curses.found() and msg != ''
858    if get_option('curses').enabled()
859      error(msg)
860    else
861      warning(msg + ', disabling')
862    endif
863  endif
864endif
865
866brlapi = not_found
867if not get_option('brlapi').auto() or have_system
868  brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
869                         required: get_option('brlapi'),
870                         kwargs: static_kwargs)
871  if brlapi.found() and not cc.links('''
872     #include <brlapi.h>
873     #include <stddef.h>
874     int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
875    brlapi = not_found
876    if get_option('brlapi').enabled()
877      error('could not link brlapi')
878    else
879      warning('could not link brlapi, disabling')
880    endif
881  endif
882endif
883
884sdl = not_found
885if not get_option('sdl').auto() or (have_system and not cocoa.found())
886  sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
887  sdl_image = not_found
888endif
889if sdl.found()
890  # work around 2.0.8 bug
891  sdl = declare_dependency(compile_args: '-Wno-undef',
892                           dependencies: sdl)
893  sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
894                         method: 'pkg-config', kwargs: static_kwargs)
895else
896  if get_option('sdl_image').enabled()
897    error('sdl-image required, but SDL was @0@'.format(
898          get_option('sdl').disabled() ? 'disabled' : 'not found'))
899  endif
900  sdl_image = not_found
901endif
902
903rbd = not_found
904if not get_option('rbd').auto() or have_block
905  librados = cc.find_library('rados', required: get_option('rbd'),
906                             kwargs: static_kwargs)
907  librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
908                           required: get_option('rbd'),
909                           kwargs: static_kwargs)
910  if librados.found() and librbd.found()
911    if cc.links('''
912      #include <stdio.h>
913      #include <rbd/librbd.h>
914      int main(void) {
915        rados_t cluster;
916        rados_create(&cluster, NULL);
917        #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
918        #error
919        #endif
920        return 0;
921      }''', dependencies: [librbd, librados])
922      rbd = declare_dependency(dependencies: [librbd, librados])
923    elif get_option('rbd').enabled()
924      error('librbd >= 1.12.0 required')
925    else
926      warning('librbd >= 1.12.0 not found, disabling')
927    endif
928  endif
929endif
930
931glusterfs = not_found
932glusterfs_ftruncate_has_stat = false
933glusterfs_iocb_has_stat = false
934if not get_option('glusterfs').auto() or have_block
935  glusterfs = dependency('glusterfs-api', version: '>=3',
936                         required: get_option('glusterfs'),
937                         method: 'pkg-config', kwargs: static_kwargs)
938  if glusterfs.found()
939    glusterfs_ftruncate_has_stat = cc.links('''
940      #include <glusterfs/api/glfs.h>
941
942      int
943      main(void)
944      {
945          /* new glfs_ftruncate() passes two additional args */
946          return glfs_ftruncate(NULL, 0, NULL, NULL);
947      }
948    ''', dependencies: glusterfs)
949    glusterfs_iocb_has_stat = cc.links('''
950      #include <glusterfs/api/glfs.h>
951
952      /* new glfs_io_cbk() passes two additional glfs_stat structs */
953      static void
954      glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
955      {}
956
957      int
958      main(void)
959      {
960          glfs_io_cbk iocb = &glusterfs_iocb;
961          iocb(NULL, 0 , NULL, NULL, NULL);
962          return 0;
963      }
964    ''', dependencies: glusterfs)
965  endif
966endif
967
968libssh = not_found
969if not get_option('libssh').auto() or have_block
970  libssh = dependency('libssh', version: '>=0.8.7',
971                    method: 'pkg-config',
972                    required: get_option('libssh'),
973                    kwargs: static_kwargs)
974endif
975
976libbzip2 = not_found
977if not get_option('bzip2').auto() or have_block
978  libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
979                             required: get_option('bzip2'),
980                             kwargs: static_kwargs)
981  if libbzip2.found() and not cc.links('''
982     #include <bzlib.h>
983     int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
984    libbzip2 = not_found
985    if get_option('bzip2').enabled()
986      error('could not link libbzip2')
987    else
988      warning('could not link libbzip2, disabling')
989    endif
990  endif
991endif
992
993liblzfse = not_found
994if not get_option('lzfse').auto() or have_block
995  liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
996                             required: get_option('lzfse'),
997                             kwargs: static_kwargs)
998endif
999if liblzfse.found() and not cc.links('''
1000   #include <lzfse.h>
1001   int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1002  liblzfse = not_found
1003  if get_option('lzfse').enabled()
1004    error('could not link liblzfse')
1005  else
1006    warning('could not link liblzfse, disabling')
1007  endif
1008endif
1009
1010oss = not_found
1011if get_option('oss').allowed() and have_system
1012  if not cc.has_header('sys/soundcard.h')
1013    # not found
1014  elif targetos == 'netbsd'
1015    oss = cc.find_library('ossaudio', required: get_option('oss'),
1016                          kwargs: static_kwargs)
1017  else
1018    oss = declare_dependency()
1019  endif
1020
1021  if not oss.found()
1022    if get_option('oss').enabled()
1023      error('OSS not found')
1024    endif
1025  endif
1026endif
1027dsound = not_found
1028if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1029  if cc.has_header('dsound.h')
1030    dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1031  endif
1032
1033  if not dsound.found()
1034    if get_option('dsound').enabled()
1035      error('DirectSound not found')
1036    endif
1037  endif
1038endif
1039
1040coreaudio = not_found
1041if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1042  coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1043                         required: get_option('coreaudio'))
1044endif
1045
1046opengl = not_found
1047if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1048  epoxy = dependency('epoxy', method: 'pkg-config',
1049                      required: get_option('opengl'), kwargs: static_kwargs)
1050  if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1051    opengl = epoxy
1052  elif get_option('opengl').enabled()
1053    error('epoxy/egl.h not found')
1054  endif
1055endif
1056gbm = not_found
1057if (have_system or have_tools) and (virgl.found() or opengl.found())
1058  gbm = dependency('gbm', method: 'pkg-config', required: false,
1059                   kwargs: static_kwargs)
1060endif
1061have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and gbm.found()
1062
1063gnutls = not_found
1064gnutls_crypto = not_found
1065if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1066  # For general TLS support our min gnutls matches
1067  # that implied by our platform support matrix
1068  #
1069  # For the crypto backends, we look for a newer
1070  # gnutls:
1071  #
1072  #   Version 3.6.8  is needed to get XTS
1073  #   Version 3.6.13 is needed to get PBKDF
1074  #   Version 3.6.14 is needed to get HW accelerated XTS
1075  #
1076  # If newer enough gnutls isn't available, we can
1077  # still use a different crypto backend to satisfy
1078  # the platform support requirements
1079  gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1080                             method: 'pkg-config',
1081                             required: false,
1082                             kwargs: static_kwargs)
1083  if gnutls_crypto.found()
1084    gnutls = gnutls_crypto
1085  else
1086    # Our min version if all we need is TLS
1087    gnutls = dependency('gnutls', version: '>=3.5.18',
1088                        method: 'pkg-config',
1089                        required: get_option('gnutls'),
1090                        kwargs: static_kwargs)
1091  endif
1092endif
1093
1094# We prefer use of gnutls for crypto, unless the options
1095# explicitly asked for nettle or gcrypt.
1096#
1097# If gnutls isn't available for crypto, then we'll prefer
1098# gcrypt over nettle for performance reasons.
1099gcrypt = not_found
1100nettle = not_found
1101xts = 'none'
1102
1103if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1104  error('Only one of gcrypt & nettle can be enabled')
1105endif
1106
1107# Explicit nettle/gcrypt request, so ignore gnutls for crypto
1108if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1109  gnutls_crypto = not_found
1110endif
1111
1112if not gnutls_crypto.found()
1113  if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1114    gcrypt = dependency('libgcrypt', version: '>=1.8',
1115                        method: 'config-tool',
1116                        required: get_option('gcrypt'),
1117                        kwargs: static_kwargs)
1118    # Debian has removed -lgpg-error from libgcrypt-config
1119    # as it "spreads unnecessary dependencies" which in
1120    # turn breaks static builds...
1121    if gcrypt.found() and enable_static
1122      gcrypt = declare_dependency(dependencies: [
1123        gcrypt,
1124        cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1125    endif
1126  endif
1127  if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1128    nettle = dependency('nettle', version: '>=3.4',
1129                        method: 'pkg-config',
1130                        required: get_option('nettle'),
1131                        kwargs: static_kwargs)
1132    if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1133      xts = 'private'
1134    endif
1135  endif
1136endif
1137
1138gtk = not_found
1139gtkx11 = not_found
1140vte = not_found
1141if not get_option('gtk').auto() or (have_system and not cocoa.found())
1142  gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1143                   method: 'pkg-config',
1144                   required: get_option('gtk'),
1145                   kwargs: static_kwargs)
1146  if gtk.found()
1147    gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1148                        method: 'pkg-config',
1149                        required: false,
1150                        kwargs: static_kwargs)
1151    gtk = declare_dependency(dependencies: [gtk, gtkx11])
1152
1153    if not get_option('vte').auto() or have_system
1154      vte = dependency('vte-2.91',
1155                       method: 'pkg-config',
1156                       required: get_option('vte'),
1157                       kwargs: static_kwargs)
1158    endif
1159  endif
1160endif
1161
1162x11 = not_found
1163if gtkx11.found()
1164  x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1165                   kwargs: static_kwargs)
1166endif
1167png = not_found
1168if get_option('png').allowed() and have_system
1169   png = dependency('libpng', required: get_option('png'),
1170                    method: 'pkg-config', kwargs: static_kwargs)
1171endif
1172vnc = not_found
1173jpeg = not_found
1174sasl = not_found
1175if get_option('vnc').allowed() and have_system
1176  vnc = declare_dependency() # dummy dependency
1177  jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1178                    method: 'pkg-config', kwargs: static_kwargs)
1179  sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1180                         required: get_option('vnc_sasl'),
1181                         kwargs: static_kwargs)
1182  if sasl.found()
1183    sasl = declare_dependency(dependencies: sasl,
1184                              compile_args: '-DSTRUCT_IOVEC_DEFINED')
1185  endif
1186endif
1187
1188pam = not_found
1189if not get_option('auth_pam').auto() or have_system
1190  pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1191                        required: get_option('auth_pam'),
1192                        kwargs: static_kwargs)
1193endif
1194if pam.found() and not cc.links('''
1195   #include <stddef.h>
1196   #include <security/pam_appl.h>
1197   int main(void) {
1198     const char *service_name = "qemu";
1199     const char *user = "frank";
1200     const struct pam_conv pam_conv = { 0 };
1201     pam_handle_t *pamh = NULL;
1202     pam_start(service_name, user, &pam_conv, &pamh);
1203     return 0;
1204   }''', dependencies: pam)
1205  pam = not_found
1206  if get_option('auth_pam').enabled()
1207    error('could not link libpam')
1208  else
1209    warning('could not link libpam, disabling')
1210  endif
1211endif
1212
1213snappy = not_found
1214if not get_option('snappy').auto() or have_system
1215  snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1216                           required: get_option('snappy'),
1217                           kwargs: static_kwargs)
1218endif
1219if snappy.found() and not linker.links('''
1220   #include <snappy-c.h>
1221   int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1222  snappy = not_found
1223  if get_option('snappy').enabled()
1224    error('could not link libsnappy')
1225  else
1226    warning('could not link libsnappy, disabling')
1227  endif
1228endif
1229
1230lzo = not_found
1231if not get_option('lzo').auto() or have_system
1232  lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1233                        required: get_option('lzo'),
1234                        kwargs: static_kwargs)
1235endif
1236if lzo.found() and not cc.links('''
1237   #include <lzo/lzo1x.h>
1238   int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1239  lzo = not_found
1240  if get_option('lzo').enabled()
1241    error('could not link liblzo2')
1242  else
1243    warning('could not link liblzo2, disabling')
1244  endif
1245endif
1246
1247numa = not_found
1248if not get_option('numa').auto() or have_system or have_tools
1249  numa = cc.find_library('numa', has_headers: ['numa.h'],
1250                              required: get_option('numa'),
1251                              kwargs: static_kwargs)
1252endif
1253if numa.found() and not cc.links('''
1254   #include <numa.h>
1255   int main(void) { return numa_available(); }
1256   ''', dependencies: numa)
1257  numa = not_found
1258  if get_option('numa').enabled()
1259    error('could not link numa')
1260  else
1261    warning('could not link numa, disabling')
1262  endif
1263endif
1264
1265rdma = not_found
1266if not get_option('rdma').auto() or have_system
1267  libumad = cc.find_library('ibumad', required: get_option('rdma'))
1268  rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1269                               required: get_option('rdma'),
1270                               kwargs: static_kwargs),
1271               cc.find_library('ibverbs', required: get_option('rdma'),
1272                               kwargs: static_kwargs),
1273               libumad]
1274  rdma = declare_dependency(dependencies: rdma_libs)
1275  foreach lib: rdma_libs
1276    if not lib.found()
1277      rdma = not_found
1278    endif
1279  endforeach
1280endif
1281
1282xen = not_found
1283if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1284  xencontrol = dependency('xencontrol', required: false,
1285                          method: 'pkg-config', kwargs: static_kwargs)
1286  if xencontrol.found()
1287    xen_pc = declare_dependency(version: xencontrol.version(),
1288      dependencies: [
1289        xencontrol,
1290        # disabler: true makes xen_pc.found() return false if any is not found
1291        dependency('xenstore', required: false,
1292                   method: 'pkg-config', kwargs: static_kwargs,
1293                   disabler: true),
1294        dependency('xenforeignmemory', required: false,
1295                   method: 'pkg-config', kwargs: static_kwargs,
1296                   disabler: true),
1297        dependency('xengnttab', required: false,
1298                   method: 'pkg-config', kwargs: static_kwargs,
1299                   disabler: true),
1300        dependency('xenevtchn', required: false,
1301                   method: 'pkg-config', kwargs: static_kwargs,
1302                   disabler: true),
1303        dependency('xendevicemodel', required: false,
1304                   method: 'pkg-config', kwargs: static_kwargs,
1305                   disabler: true),
1306        # optional, no "disabler: true"
1307        dependency('xentoolcore', required: false,
1308                   method: 'pkg-config', kwargs: static_kwargs)])
1309    if xen_pc.found()
1310      xen = xen_pc
1311    endif
1312  endif
1313  if not xen.found()
1314    xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1', '4.6.0', '4.5.0', '4.2.0' ]
1315    xen_libs = {
1316      '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1317      '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1318      '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1319      '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1320      '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1321      '4.6.0': [ 'xenstore', 'xenctrl' ],
1322      '4.5.0': [ 'xenstore', 'xenctrl' ],
1323      '4.2.0': [ 'xenstore', 'xenctrl' ],
1324    }
1325    xen_deps = {}
1326    foreach ver: xen_tests
1327      # cache the various library tests to avoid polluting the logs
1328      xen_test_deps = []
1329      foreach l: xen_libs[ver]
1330        if l not in xen_deps
1331          xen_deps += { l: cc.find_library(l, required: false) }
1332        endif
1333        xen_test_deps += xen_deps[l]
1334      endforeach
1335
1336      # Use -D to pick just one of the test programs in scripts/xen-detect.c
1337      xen_version = ver.split('.')
1338      xen_ctrl_version = xen_version[0] + \
1339        ('0' + xen_version[1]).substring(-2) + \
1340        ('0' + xen_version[2]).substring(-2)
1341      if cc.links(files('scripts/xen-detect.c'),
1342                  args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1343                  dependencies: xen_test_deps)
1344        xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1345        break
1346      endif
1347    endforeach
1348  endif
1349  if xen.found()
1350    accelerators += 'CONFIG_XEN'
1351  elif get_option('xen').enabled()
1352    error('could not compile and link Xen test program')
1353  endif
1354endif
1355have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1356  .require(xen.found(),
1357           error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1358  .require(targetos == 'linux',
1359           error_message: 'Xen PCI passthrough not available on this platform') \
1360  .allowed()
1361
1362
1363cacard = not_found
1364if not get_option('smartcard').auto() or have_system
1365  cacard = dependency('libcacard', required: get_option('smartcard'),
1366                      version: '>=2.5.1', method: 'pkg-config',
1367                      kwargs: static_kwargs)
1368endif
1369u2f = not_found
1370if have_system
1371  u2f = dependency('u2f-emu', required: get_option('u2f'),
1372                   method: 'pkg-config',
1373                   kwargs: static_kwargs)
1374endif
1375usbredir = not_found
1376if not get_option('usb_redir').auto() or have_system
1377  usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1378                        version: '>=0.6', method: 'pkg-config',
1379                        kwargs: static_kwargs)
1380endif
1381libusb = not_found
1382if not get_option('libusb').auto() or have_system
1383  libusb = dependency('libusb-1.0', required: get_option('libusb'),
1384                      version: '>=1.0.13', method: 'pkg-config',
1385                      kwargs: static_kwargs)
1386endif
1387
1388libpmem = not_found
1389if not get_option('libpmem').auto() or have_system
1390  libpmem = dependency('libpmem', required: get_option('libpmem'),
1391                       method: 'pkg-config', kwargs: static_kwargs)
1392endif
1393libdaxctl = not_found
1394if not get_option('libdaxctl').auto() or have_system
1395  libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1396                         version: '>=57', method: 'pkg-config',
1397                         kwargs: static_kwargs)
1398endif
1399tasn1 = not_found
1400if gnutls.found()
1401  tasn1 = dependency('libtasn1',
1402                     method: 'pkg-config',
1403                     kwargs: static_kwargs)
1404endif
1405keyutils = dependency('libkeyutils', required: false,
1406                      method: 'pkg-config', kwargs: static_kwargs)
1407
1408has_gettid = cc.has_function('gettid')
1409
1410# libselinux
1411selinux = dependency('libselinux',
1412                     required: get_option('selinux'),
1413                     method: 'pkg-config', kwargs: static_kwargs)
1414
1415# Malloc tests
1416
1417malloc = []
1418if get_option('malloc') == 'system'
1419  has_malloc_trim = \
1420    get_option('malloc_trim').allowed() and \
1421    cc.links('''#include <malloc.h>
1422                int main(void) { malloc_trim(0); return 0; }''')
1423else
1424  has_malloc_trim = false
1425  malloc = cc.find_library(get_option('malloc'), required: true)
1426endif
1427if not has_malloc_trim and get_option('malloc_trim').enabled()
1428  if get_option('malloc') == 'system'
1429    error('malloc_trim not available on this platform.')
1430  else
1431    error('malloc_trim not available with non-libc memory allocator')
1432  endif
1433endif
1434
1435# Check whether the glibc provides statx()
1436
1437gnu_source_prefix = '''
1438  #ifndef _GNU_SOURCE
1439  #define _GNU_SOURCE
1440  #endif
1441'''
1442statx_test = gnu_source_prefix + '''
1443  #include <sys/stat.h>
1444  int main(void) {
1445    struct statx statxbuf;
1446    statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1447    return 0;
1448  }'''
1449
1450has_statx = cc.links(statx_test)
1451
1452# Check whether statx() provides mount ID information
1453
1454statx_mnt_id_test = gnu_source_prefix + '''
1455  #include <sys/stat.h>
1456  int main(void) {
1457    struct statx statxbuf;
1458    statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1459    return statxbuf.stx_mnt_id;
1460  }'''
1461
1462has_statx_mnt_id = cc.links(statx_mnt_id_test)
1463
1464have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1465  .require(targetos == 'linux',
1466           error_message: 'vhost_user_blk_server requires linux') \
1467  .require(have_vhost_user,
1468           error_message: 'vhost_user_blk_server requires vhost-user support') \
1469  .disable_auto_if(not have_system) \
1470  .allowed()
1471
1472if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1473  error('Cannot enable fuse-lseek while fuse is disabled')
1474endif
1475
1476fuse = dependency('fuse3', required: get_option('fuse'),
1477                  version: '>=3.1', method: 'pkg-config',
1478                  kwargs: static_kwargs)
1479
1480fuse_lseek = not_found
1481if get_option('fuse_lseek').allowed()
1482  if fuse.version().version_compare('>=3.8')
1483    # Dummy dependency
1484    fuse_lseek = declare_dependency()
1485  elif get_option('fuse_lseek').enabled()
1486    if fuse.found()
1487      error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1488    else
1489      error('fuse-lseek requires libfuse, which was not found')
1490    endif
1491  endif
1492endif
1493
1494# libbpf
1495libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1496if libbpf.found() and not cc.links('''
1497   #include <bpf/libbpf.h>
1498   int main(void)
1499   {
1500     bpf_object__destroy_skeleton(NULL);
1501     return 0;
1502   }''', dependencies: libbpf)
1503  libbpf = not_found
1504  if get_option('bpf').enabled()
1505    error('libbpf skeleton test failed')
1506  else
1507    warning('libbpf skeleton test failed, disabling')
1508  endif
1509endif
1510
1511#################
1512# config-host.h #
1513#################
1514
1515audio_drivers_selected = []
1516if have_system
1517  audio_drivers_available = {
1518    'alsa': alsa.found(),
1519    'coreaudio': coreaudio.found(),
1520    'dsound': dsound.found(),
1521    'jack': jack.found(),
1522    'oss': oss.found(),
1523    'pa': pulse.found(),
1524    'sdl': sdl.found(),
1525  }
1526  foreach k, v: audio_drivers_available
1527    config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1528  endforeach
1529
1530  # Default to native drivers first, OSS second, SDL third
1531  audio_drivers_priority = \
1532    [ 'pa', 'coreaudio', 'dsound', 'oss' ] + \
1533    (targetos == 'linux' ? [] : [ 'sdl' ])
1534  audio_drivers_default = []
1535  foreach k: audio_drivers_priority
1536    if audio_drivers_available[k]
1537      audio_drivers_default += k
1538    endif
1539  endforeach
1540
1541  foreach k: get_option('audio_drv_list')
1542    if k == 'default'
1543      audio_drivers_selected += audio_drivers_default
1544    elif not audio_drivers_available[k]
1545      error('Audio driver "@0@" not available.'.format(k))
1546    else
1547      audio_drivers_selected += k
1548    endif
1549  endforeach
1550endif
1551config_host_data.set('CONFIG_AUDIO_DRIVERS',
1552                     '"' + '", "'.join(audio_drivers_selected) + '", ')
1553
1554if get_option('cfi')
1555  cfi_flags=[]
1556  # Check for dependency on LTO
1557  if not get_option('b_lto')
1558    error('Selected Control-Flow Integrity but LTO is disabled')
1559  endif
1560  if config_host.has_key('CONFIG_MODULES')
1561    error('Selected Control-Flow Integrity is not compatible with modules')
1562  endif
1563  # Check for cfi flags. CFI requires LTO so we can't use
1564  # get_supported_arguments, but need a more complex "compiles" which allows
1565  # custom arguments
1566  if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1567                 args: ['-flto', '-fsanitize=cfi-icall'] )
1568    cfi_flags += '-fsanitize=cfi-icall'
1569  else
1570    error('-fsanitize=cfi-icall is not supported by the compiler')
1571  endif
1572  if cc.compiles('int main () { return 0; }',
1573                 name: '-fsanitize-cfi-icall-generalize-pointers',
1574                 args: ['-flto', '-fsanitize=cfi-icall',
1575                        '-fsanitize-cfi-icall-generalize-pointers'] )
1576    cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1577  else
1578    error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1579  endif
1580  if get_option('cfi_debug')
1581    if cc.compiles('int main () { return 0; }',
1582                   name: '-fno-sanitize-trap=cfi-icall',
1583                   args: ['-flto', '-fsanitize=cfi-icall',
1584                          '-fno-sanitize-trap=cfi-icall'] )
1585      cfi_flags += '-fno-sanitize-trap=cfi-icall'
1586    else
1587      error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1588    endif
1589  endif
1590  add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1591  add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1592endif
1593
1594have_host_block_device = (targetos != 'darwin' or
1595    cc.has_header('IOKit/storage/IOMedia.h'))
1596
1597# FIXME enable_modules shouldn't be necessary, but: https://github.com/mesonbuild/meson/issues/8333
1598dbus_display = get_option('dbus_display') \
1599  .require(gio.version().version_compare('>=2.64'),
1600           error_message: '-display dbus requires glib>=2.64') \
1601  .require(enable_modules,
1602           error_message: '-display dbus requires --enable-modules') \
1603  .require(gdbus_codegen.found(),
1604           error_message: '-display dbus requires gdbus-codegen') \
1605  .allowed()
1606
1607have_virtfs = get_option('virtfs') \
1608    .require(targetos == 'linux' or targetos == 'darwin',
1609             error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1610    .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1611             error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1612    .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1613             error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1614    .disable_auto_if(not have_tools and not have_system) \
1615    .allowed()
1616
1617have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1618
1619if get_option('block_drv_ro_whitelist') == ''
1620  config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1621else
1622  config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1623        '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1624endif
1625if get_option('block_drv_rw_whitelist') == ''
1626  config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1627else
1628  config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1629        '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1630endif
1631
1632foreach k : get_option('trace_backends')
1633  config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1634endforeach
1635config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1636config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1637if iasl.found()
1638  config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1639endif
1640config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1641config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1642config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1643config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1644config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1645config_host_data.set_quoted('CONFIG_QEMU_FIRMWAREPATH', get_option('prefix') / get_option('qemu_firmwarepath'))
1646config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1647config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1648config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1649config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1650config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1651config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1652
1653if config_host.has_key('CONFIG_MODULES')
1654  config_host_data.set('CONFIG_STAMP', run_command(
1655      meson.current_source_dir() / 'scripts/qemu-stamp.py',
1656      meson.project_version(), get_option('pkgversion'), '--',
1657      meson.current_source_dir() / 'configure',
1658      capture: true, check: true).stdout().strip())
1659endif
1660
1661have_slirp_smbd = get_option('slirp_smbd') \
1662  .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1663  .allowed()
1664if have_slirp_smbd
1665  smbd_path = get_option('smbd')
1666  if smbd_path == ''
1667    smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1668  endif
1669  config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1670endif
1671
1672config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1673
1674if get_option('module_upgrades') and not enable_modules
1675  error('Cannot enable module-upgrades as modules are not enabled')
1676endif
1677config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1678
1679config_host_data.set('CONFIG_ATTR', libattr.found())
1680config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1681config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1682config_host_data.set('CONFIG_COCOA', cocoa.found())
1683config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1684config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1685config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1686config_host_data.set('CONFIG_LZO', lzo.found())
1687config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1688config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1689config_host_data.set('CONFIG_CURL', curl.found())
1690config_host_data.set('CONFIG_CURSES', curses.found())
1691config_host_data.set('CONFIG_GBM', gbm.found())
1692config_host_data.set('CONFIG_GIO', gio.found())
1693config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1694if glusterfs.found()
1695  config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1696  config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1697  config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1698  config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1699  config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1700  config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1701endif
1702config_host_data.set('CONFIG_GTK', gtk.found())
1703config_host_data.set('CONFIG_VTE', vte.found())
1704config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1705config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1706config_host_data.set('CONFIG_EBPF', libbpf.found())
1707config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1708config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1709config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1710config_host_data.set('CONFIG_LIBSSH', libssh.found())
1711config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1712config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1713config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1714config_host_data.set('CONFIG_NUMA', numa.found())
1715config_host_data.set('CONFIG_OPENGL', opengl.found())
1716config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1717config_host_data.set('CONFIG_RBD', rbd.found())
1718config_host_data.set('CONFIG_RDMA', rdma.found())
1719config_host_data.set('CONFIG_SDL', sdl.found())
1720config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1721config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1722config_host_data.set('CONFIG_SNAPPY', snappy.found())
1723config_host_data.set('CONFIG_TPM', have_tpm)
1724config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1725config_host_data.set('CONFIG_VDE', vde.found())
1726config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1727config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1728config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1729config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1730config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1731config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1732config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1733config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1734config_host_data.set('CONFIG_PNG', png.found())
1735config_host_data.set('CONFIG_VNC', vnc.found())
1736config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1737config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1738config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1739config_host_data.set('CONFIG_VTE', vte.found())
1740config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1741config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1742config_host_data.set('CONFIG_GETTID', has_gettid)
1743config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1744config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1745config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1746config_host_data.set('CONFIG_NETTLE', nettle.found())
1747config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1748config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1749config_host_data.set('CONFIG_STATX', has_statx)
1750config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1751config_host_data.set('CONFIG_ZSTD', zstd.found())
1752config_host_data.set('CONFIG_FUSE', fuse.found())
1753config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1754config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1755if spice_protocol.found()
1756config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1757config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1758config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1759endif
1760config_host_data.set('CONFIG_SPICE', spice.found())
1761config_host_data.set('CONFIG_X11', x11.found())
1762config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1763config_host_data.set('CONFIG_CFI', get_option('cfi'))
1764config_host_data.set('CONFIG_SELINUX', selinux.found())
1765config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1766if xen.found()
1767  # protect from xen.version() having less than three components
1768  xen_version = xen.version().split('.') + ['0', '0']
1769  xen_ctrl_version = xen_version[0] + \
1770    ('0' + xen_version[1]).substring(-2) + \
1771    ('0' + xen_version[2]).substring(-2)
1772  config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1773endif
1774config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1775config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1776config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1777config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1778
1779config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1780config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1781
1782have_coroutine_pool = get_option('coroutine_pool')
1783if get_option('debug_stack_usage') and have_coroutine_pool
1784  message('Disabling coroutine pool to measure stack usage')
1785  have_coroutine_pool = false
1786endif
1787config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1788config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1789config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1790config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1791config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1792config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1793config_host_data.set('CONFIG_REPLICATION', get_option('live_block_migration').allowed())
1794
1795# has_header
1796config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1797config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1798config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1799config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1800config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1801config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1802config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1803config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1804config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1805
1806# has_function
1807config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1808config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1809config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1810config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1811config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1812# Note that we need to specify prefix: here to avoid incorrectly
1813# thinking that Windows has posix_memalign()
1814config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1815config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1816config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1817config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1818config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1819config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1820config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1821config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1822config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1823config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1824config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1825config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1826config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1827config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1828config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1829config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1830config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1831if rdma.found()
1832  config_host_data.set('HAVE_IBV_ADVISE_MR',
1833                       cc.has_function('ibv_advise_mr',
1834                                       dependencies: rdma,
1835                                       prefix: '#include <infiniband/verbs.h>'))
1836endif
1837
1838# has_header_symbol
1839config_host_data.set('CONFIG_BYTESWAP_H',
1840                     cc.has_header_symbol('byteswap.h', 'bswap_32'))
1841config_host_data.set('CONFIG_EPOLL_CREATE1',
1842                     cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
1843config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
1844                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
1845                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
1846config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
1847                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
1848config_host_data.set('CONFIG_FIEMAP',
1849                     cc.has_header('linux/fiemap.h') and
1850                     cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
1851config_host_data.set('CONFIG_GETRANDOM',
1852                     cc.has_function('getrandom') and
1853                     cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
1854config_host_data.set('CONFIG_INOTIFY',
1855                     cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
1856config_host_data.set('CONFIG_INOTIFY1',
1857                     cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
1858config_host_data.set('CONFIG_MACHINE_BSWAP_H',
1859                     cc.has_header_symbol('machine/bswap.h', 'bswap32',
1860                                          prefix: '''#include <sys/endian.h>
1861                                                     #include <sys/types.h>'''))
1862config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
1863                     cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
1864config_host_data.set('CONFIG_RTNETLINK',
1865                     cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
1866config_host_data.set('CONFIG_SYSMACROS',
1867                     cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1868config_host_data.set('HAVE_OPTRESET',
1869                     cc.has_header_symbol('getopt.h', 'optreset'))
1870config_host_data.set('HAVE_IPPROTO_MPTCP',
1871                     cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
1872
1873# has_member
1874config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
1875                     cc.has_member('struct sigevent', 'sigev_notify_thread_id',
1876                                   prefix: '#include <signal.h>'))
1877config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
1878                     cc.has_member('struct stat', 'st_atim',
1879                                   prefix: '#include <sys/stat.h>'))
1880
1881# has_type
1882config_host_data.set('CONFIG_IOVEC',
1883                     cc.has_type('struct iovec',
1884                                 prefix: '#include <sys/uio.h>'))
1885config_host_data.set('HAVE_UTMPX',
1886                     cc.has_type('struct utmpx',
1887                                 prefix: '#include <utmpx.h>'))
1888
1889config_host_data.set('CONFIG_EVENTFD', cc.links('''
1890  #include <sys/eventfd.h>
1891  int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
1892config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
1893  #include <unistd.h>
1894  int main(void) {
1895  #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
1896  return fdatasync(0);
1897  #else
1898  #error Not supported
1899  #endif
1900  }'''))
1901
1902has_madvise = cc.links(gnu_source_prefix + '''
1903  #include <sys/types.h>
1904  #include <sys/mman.h>
1905  #include <stddef.h>
1906  int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
1907missing_madvise_proto = false
1908if has_madvise
1909  # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
1910  # but forget to prototype it. In this case, has_madvise will be true (the
1911  # test program links despite a compile warning). To detect the
1912  # missing-prototype case, we try again with a definitely-bogus prototype.
1913  # This will only compile if the system headers don't provide the prototype;
1914  # otherwise the conflicting prototypes will cause a compiler error.
1915  missing_madvise_proto = cc.links(gnu_source_prefix + '''
1916    #include <sys/types.h>
1917    #include <sys/mman.h>
1918    #include <stddef.h>
1919    extern int madvise(int);
1920    int main(void) { return madvise(0); }''')
1921endif
1922config_host_data.set('CONFIG_MADVISE', has_madvise)
1923config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
1924
1925config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
1926  #include <sys/mman.h>
1927  int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
1928config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
1929  #include <fcntl.h>
1930  #if !defined(AT_EMPTY_PATH)
1931  # error missing definition
1932  #else
1933  int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
1934  #endif'''))
1935config_host_data.set('CONFIG_PIPE2', cc.links(gnu_source_prefix + '''
1936  #include <unistd.h>
1937  #include <fcntl.h>
1938
1939  int main(void)
1940  {
1941      int pipefd[2];
1942      return pipe2(pipefd, O_CLOEXEC);
1943  }'''))
1944config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
1945  #include <sys/mman.h>
1946  #include <stddef.h>
1947  int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
1948
1949config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
1950  #include <pthread.h>
1951
1952  static void *f(void *p) { return NULL; }
1953  int main(void)
1954  {
1955    pthread_t thread;
1956    pthread_create(&thread, 0, f, 0);
1957    pthread_setname_np(thread, "QEMU");
1958    return 0;
1959  }''', dependencies: threads))
1960config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
1961  #include <pthread.h>
1962
1963  static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
1964  int main(void)
1965  {
1966    pthread_t thread;
1967    pthread_create(&thread, 0, f, 0);
1968    return 0;
1969  }''', dependencies: threads))
1970config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
1971  #include <pthread.h>
1972  #include <time.h>
1973
1974  int main(void)
1975  {
1976    pthread_condattr_t attr
1977    pthread_condattr_init(&attr);
1978    pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
1979    return 0;
1980  }''', dependencies: threads))
1981
1982config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
1983  #include <sys/signalfd.h>
1984  #include <stddef.h>
1985  int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
1986config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
1987  #include <unistd.h>
1988  #include <fcntl.h>
1989  #include <limits.h>
1990
1991  int main(void)
1992  {
1993    int len, fd = 0;
1994    len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
1995    splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
1996    return 0;
1997  }'''))
1998
1999config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2000  #include <sys/mman.h>
2001  int main(int argc, char *argv[]) {
2002    return mlockall(MCL_FUTURE);
2003  }'''))
2004
2005have_l2tpv3 = false
2006if get_option('l2tpv3').allowed() and have_system
2007  have_l2tpv3 = cc.has_type('struct mmsghdr',
2008    prefix: gnu_source_prefix + '''
2009      #include <sys/socket.h>
2010      #include <linux/ip.h>''')
2011endif
2012config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2013
2014have_netmap = false
2015if get_option('netmap').allowed() and have_system
2016  have_netmap = cc.compiles('''
2017    #include <inttypes.h>
2018    #include <net/if.h>
2019    #include <net/netmap.h>
2020    #include <net/netmap_user.h>
2021    #if (NETMAP_API < 11) || (NETMAP_API > 15)
2022    #error
2023    #endif
2024    int main(void) { return 0; }''')
2025  if not have_netmap and get_option('netmap').enabled()
2026    error('Netmap headers not available')
2027  endif
2028endif
2029config_host_data.set('CONFIG_NETMAP', have_netmap)
2030
2031# Work around a system header bug with some kernel/XFS header
2032# versions where they both try to define 'struct fsxattr':
2033# xfs headers will not try to redefine structs from linux headers
2034# if this macro is set.
2035config_host_data.set('HAVE_FSXATTR', cc.links('''
2036  #include <linux/fs.h>
2037  struct fsxattr foo;
2038  int main(void) {
2039    return 0;
2040  }'''))
2041
2042# Some versions of Mac OS X incorrectly define SIZE_MAX
2043config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2044    #include <stdint.h>
2045    #include <stdio.h>
2046    int main(int argc, char *argv[]) {
2047        return printf("%zu", SIZE_MAX);
2048    }''', args: ['-Werror']))
2049
2050atomic_test = '''
2051  #include <stdint.h>
2052  int main(void)
2053  {
2054    @0@ x = 0, y = 0;
2055    y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2056    __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2057    __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2058    __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2059    __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2060    return 0;
2061  }'''
2062
2063# See if 64-bit atomic operations are supported.
2064# Note that without __atomic builtins, we can only
2065# assume atomic loads/stores max at pointer size.
2066config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2067
2068has_int128 = cc.links('''
2069  __int128_t a;
2070  __uint128_t b;
2071  int main (void) {
2072    a = a + b;
2073    b = a * b;
2074    a = a * a;
2075    return 0;
2076  }''')
2077
2078config_host_data.set('CONFIG_INT128', has_int128)
2079
2080if has_int128
2081  # "do we have 128-bit atomics which are handled inline and specifically not
2082  # via libatomic". The reason we can't use libatomic is documented in the
2083  # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2084  has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2085
2086  config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2087
2088  if not has_atomic128
2089    has_cmpxchg128 = cc.links('''
2090      int main(void)
2091      {
2092        unsigned __int128 x = 0, y = 0;
2093        __sync_val_compare_and_swap_16(&x, y, x);
2094        return 0;
2095      }
2096    ''')
2097
2098    config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2099  endif
2100endif
2101
2102config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2103  #include <sys/auxv.h>
2104  int main(void) {
2105    return getauxval(AT_HWCAP) == 0;
2106  }'''))
2107
2108config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2109  #include <linux/usbdevice_fs.h>
2110
2111  #ifndef USBDEVFS_GET_CAPABILITIES
2112  #error "USBDEVFS_GET_CAPABILITIES undefined"
2113  #endif
2114
2115  #ifndef USBDEVFS_DISCONNECT_CLAIM
2116  #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2117  #endif
2118
2119  int main(void) { return 0; }'''))
2120
2121have_keyring = get_option('keyring') \
2122  .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2123  .require(cc.compiles('''
2124    #include <errno.h>
2125    #include <asm/unistd.h>
2126    #include <linux/keyctl.h>
2127    #include <sys/syscall.h>
2128    #include <unistd.h>
2129    int main(void) {
2130        return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2131    }'''), error_message: 'keyctl syscall not available on this system').allowed()
2132config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2133
2134have_cpuid_h = cc.links('''
2135  #include <cpuid.h>
2136  int main(void) {
2137    unsigned a, b, c, d;
2138    unsigned max = __get_cpuid_max(0, 0);
2139
2140    if (max >= 1) {
2141        __cpuid(1, a, b, c, d);
2142    }
2143
2144    if (max >= 7) {
2145        __cpuid_count(7, 0, a, b, c, d);
2146    }
2147
2148    return 0;
2149  }''')
2150config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2151
2152config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2153  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2154  .require(cc.links('''
2155    #pragma GCC push_options
2156    #pragma GCC target("avx2")
2157    #include <cpuid.h>
2158    #include <immintrin.h>
2159    static int bar(void *a) {
2160      __m256i x = *(__m256i *)a;
2161      return _mm256_testz_si256(x, x);
2162    }
2163    int main(int argc, char *argv[]) { return bar(argv[0]); }
2164  '''), error_message: 'AVX2 not available').allowed())
2165
2166config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2167  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2168  .require(cc.links('''
2169    #pragma GCC push_options
2170    #pragma GCC target("avx512f")
2171    #include <cpuid.h>
2172    #include <immintrin.h>
2173    static int bar(void *a) {
2174      __m512i x = *(__m512i *)a;
2175      return _mm512_test_epi64_mask(x, x);
2176    }
2177    int main(int argc, char *argv[]) { return bar(argv[0]); }
2178  '''), error_message: 'AVX512F not available').allowed())
2179
2180have_pvrdma = get_option('pvrdma') \
2181  .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2182  .require(cc.compiles('''
2183    int main(void)
2184    {
2185      char buf = 0;
2186      void *addr = &buf;
2187      addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2188
2189      return 0;
2190    }'''), error_message: 'PVRDMA requires mremap').allowed()
2191
2192if have_pvrdma
2193  config_host_data.set('LEGACY_RDMA_REG_MR', not cc.compiles('''
2194    #include <infiniband/verbs.h>
2195    int main(void)
2196    {
2197      struct ibv_mr *mr;
2198      struct ibv_pd *pd = NULL;
2199      size_t length = 10;
2200      uint64_t iova = 0;
2201      int access = 0;
2202      void *addr = NULL;
2203
2204      mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2205      ibv_dereg_mr(mr);
2206      return 0;
2207    }'''))
2208endif
2209
2210if get_option('membarrier').disabled()
2211  have_membarrier = false
2212elif targetos == 'windows'
2213  have_membarrier = true
2214elif targetos == 'linux'
2215  have_membarrier = cc.compiles('''
2216    #include <linux/membarrier.h>
2217    #include <sys/syscall.h>
2218    #include <unistd.h>
2219    #include <stdlib.h>
2220    int main(void) {
2221        syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2222        syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2223        exit(0);
2224    }''')
2225endif
2226config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2227  .require(have_membarrier, error_message: 'membarrier system call not available') \
2228  .allowed())
2229
2230have_afalg = get_option('crypto_afalg') \
2231  .require(cc.compiles(gnu_source_prefix + '''
2232    #include <errno.h>
2233    #include <sys/types.h>
2234    #include <sys/socket.h>
2235    #include <linux/if_alg.h>
2236    int main(void) {
2237      int sock;
2238      sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2239      return sock;
2240    }
2241  '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2242config_host_data.set('CONFIG_AF_ALG', have_afalg)
2243
2244config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2245  'linux/vm_sockets.h', 'AF_VSOCK',
2246  prefix: '#include <sys/socket.h>',
2247))
2248
2249have_vss = false
2250have_vss_sdk = false # old xp/2003 SDK
2251if targetos == 'windows' and link_language == 'cpp'
2252  have_vss = cxx.compiles('''
2253    #define __MIDL_user_allocate_free_DEFINED__
2254    #include <vss.h>
2255    int main(void) { return VSS_CTX_BACKUP; }''')
2256  have_vss_sdk = cxx.has_header('vscoordint.h')
2257endif
2258config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2259
2260foreach k, v: config_host
2261  if k.startswith('CONFIG_')
2262    config_host_data.set(k, v == 'y' ? 1 : v)
2263  endif
2264endforeach
2265
2266# Older versions of MinGW do not import _lock_file and _unlock_file properly.
2267# This was fixed for v6.0.0 with commit b48e3ac8969d.
2268if targetos == 'windows'
2269  config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2270    #include <stdio.h>
2271    int main(void) {
2272      _lock_file(NULL);
2273      _unlock_file(NULL);
2274      return 0;
2275    }''', name: '_lock_file and _unlock_file'))
2276endif
2277
2278########################
2279# Target configuration #
2280########################
2281
2282minikconf = find_program('scripts/minikconf.py')
2283config_all = {}
2284config_all_devices = {}
2285config_all_disas = {}
2286config_devices_mak_list = []
2287config_devices_h = {}
2288config_target_h = {}
2289config_target_mak = {}
2290
2291disassemblers = {
2292  'alpha' : ['CONFIG_ALPHA_DIS'],
2293  'arm' : ['CONFIG_ARM_DIS'],
2294  'avr' : ['CONFIG_AVR_DIS'],
2295  'cris' : ['CONFIG_CRIS_DIS'],
2296  'hexagon' : ['CONFIG_HEXAGON_DIS'],
2297  'hppa' : ['CONFIG_HPPA_DIS'],
2298  'i386' : ['CONFIG_I386_DIS'],
2299  'x86_64' : ['CONFIG_I386_DIS'],
2300  'm68k' : ['CONFIG_M68K_DIS'],
2301  'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2302  'mips' : ['CONFIG_MIPS_DIS'],
2303  'nios2' : ['CONFIG_NIOS2_DIS'],
2304  'or1k' : ['CONFIG_OPENRISC_DIS'],
2305  'ppc' : ['CONFIG_PPC_DIS'],
2306  'riscv' : ['CONFIG_RISCV_DIS'],
2307  'rx' : ['CONFIG_RX_DIS'],
2308  's390' : ['CONFIG_S390_DIS'],
2309  'sh4' : ['CONFIG_SH4_DIS'],
2310  'sparc' : ['CONFIG_SPARC_DIS'],
2311  'xtensa' : ['CONFIG_XTENSA_DIS'],
2312}
2313if link_language == 'cpp'
2314  disassemblers += {
2315    'aarch64' : [ 'CONFIG_ARM_A64_DIS'],
2316    'arm' : [ 'CONFIG_ARM_DIS', 'CONFIG_ARM_A64_DIS'],
2317    'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2318  }
2319endif
2320
2321have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2322host_kconfig = \
2323  (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2324  (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2325  (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2326  (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2327  (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2328  (x11.found() ? ['CONFIG_X11=y'] : []) + \
2329  (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2330  (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2331  (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2332  (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2333  ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2334  (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2335  (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : [])
2336
2337ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2338
2339default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2340actual_target_dirs = []
2341fdt_required = []
2342foreach target : target_dirs
2343  config_target = { 'TARGET_NAME': target.split('-')[0] }
2344  if target.endswith('linux-user')
2345    if targetos != 'linux'
2346      if default_targets
2347        continue
2348      endif
2349      error('Target @0@ is only available on a Linux host'.format(target))
2350    endif
2351    config_target += { 'CONFIG_LINUX_USER': 'y' }
2352  elif target.endswith('bsd-user')
2353    if 'CONFIG_BSD' not in config_host
2354      if default_targets
2355        continue
2356      endif
2357      error('Target @0@ is only available on a BSD host'.format(target))
2358    endif
2359    config_target += { 'CONFIG_BSD_USER': 'y' }
2360  elif target.endswith('softmmu')
2361    config_target += { 'CONFIG_SOFTMMU': 'y' }
2362  endif
2363  if target.endswith('-user')
2364    config_target += {
2365      'CONFIG_USER_ONLY': 'y',
2366      'CONFIG_QEMU_INTERP_PREFIX':
2367        get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2368    }
2369  endif
2370
2371  accel_kconfig = []
2372  foreach sym: accelerators
2373    if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2374      config_target += { sym: 'y' }
2375      config_all += { sym: 'y' }
2376      if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
2377        config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
2378      endif
2379      if target in modular_tcg
2380        config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2381      else
2382        config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2383      endif
2384      accel_kconfig += [ sym + '=y' ]
2385    endif
2386  endforeach
2387  if accel_kconfig.length() == 0
2388    if default_targets
2389      continue
2390    endif
2391    error('No accelerator available for target @0@'.format(target))
2392  endif
2393
2394  actual_target_dirs += target
2395  config_target += keyval.load('configs/targets' / target + '.mak')
2396  config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2397
2398  if 'TARGET_NEED_FDT' in config_target
2399    fdt_required += target
2400  endif
2401
2402  # Add default keys
2403  if 'TARGET_BASE_ARCH' not in config_target
2404    config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2405  endif
2406  if 'TARGET_ABI_DIR' not in config_target
2407    config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2408  endif
2409  if 'TARGET_BIG_ENDIAN' not in config_target
2410    config_target += {'TARGET_BIG_ENDIAN': 'n'}
2411  endif
2412
2413  foreach k, v: disassemblers
2414    if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2415      foreach sym: v
2416        config_target += { sym: 'y' }
2417        config_all_disas += { sym: 'y' }
2418      endforeach
2419    endif
2420  endforeach
2421
2422  config_target_data = configuration_data()
2423  foreach k, v: config_target
2424    if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2425      # do nothing
2426    elif ignored.contains(k)
2427      # do nothing
2428    elif k == 'TARGET_BASE_ARCH'
2429      # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2430      # not used to select files from sourcesets.
2431      config_target_data.set('TARGET_' + v.to_upper(), 1)
2432    elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2433      config_target_data.set_quoted(k, v)
2434    elif v == 'y'
2435      config_target_data.set(k, 1)
2436    elif v == 'n'
2437      config_target_data.set(k, 0)
2438    else
2439      config_target_data.set(k, v)
2440    endif
2441  endforeach
2442  config_target_data.set('QEMU_ARCH',
2443                         'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2444  config_target_h += {target: configure_file(output: target + '-config-target.h',
2445                                               configuration: config_target_data)}
2446
2447  if target.endswith('-softmmu')
2448    config_input = meson.get_external_property(target, 'default')
2449    config_devices_mak = target + '-config-devices.mak'
2450    config_devices_mak = configure_file(
2451      input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2452      output: config_devices_mak,
2453      depfile: config_devices_mak + '.d',
2454      capture: true,
2455      command: [minikconf,
2456                get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2457                config_devices_mak, '@DEPFILE@', '@INPUT@',
2458                host_kconfig, accel_kconfig,
2459                'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2460
2461    config_devices_data = configuration_data()
2462    config_devices = keyval.load(config_devices_mak)
2463    foreach k, v: config_devices
2464      config_devices_data.set(k, 1)
2465    endforeach
2466    config_devices_mak_list += config_devices_mak
2467    config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2468                                                configuration: config_devices_data)}
2469    config_target += config_devices
2470    config_all_devices += config_devices
2471  endif
2472  config_target_mak += {target: config_target}
2473endforeach
2474target_dirs = actual_target_dirs
2475
2476# This configuration is used to build files that are shared by
2477# multiple binaries, and then extracted out of the "common"
2478# static_library target.
2479#
2480# We do not use all_sources()/all_dependencies(), because it would
2481# build literally all source files, including devices only used by
2482# targets that are not built for this compilation.  The CONFIG_ALL
2483# pseudo symbol replaces it.
2484
2485config_all += config_all_devices
2486config_all += config_host
2487config_all += config_all_disas
2488config_all += {
2489  'CONFIG_XEN': xen.found(),
2490  'CONFIG_SOFTMMU': have_system,
2491  'CONFIG_USER_ONLY': have_user,
2492  'CONFIG_ALL': true,
2493}
2494
2495target_configs_h = []
2496foreach target: target_dirs
2497  target_configs_h += config_target_h[target]
2498  target_configs_h += config_devices_h.get(target, [])
2499endforeach
2500genh += custom_target('config-poison.h',
2501                      input: [target_configs_h],
2502                      output: 'config-poison.h',
2503                      capture: true,
2504                      command: [find_program('scripts/make-config-poison.sh'),
2505                                target_configs_h])
2506
2507##############
2508# Submodules #
2509##############
2510
2511capstone = not_found
2512capstone_opt = get_option('capstone')
2513if capstone_opt in ['enabled', 'auto', 'system']
2514  have_internal = fs.exists(meson.current_source_dir() / 'capstone/Makefile')
2515  capstone = dependency('capstone', version: '>=4.0',
2516                        kwargs: static_kwargs, method: 'pkg-config',
2517                        required: capstone_opt == 'system' or
2518                                  capstone_opt == 'enabled' and not have_internal)
2519
2520  # Some versions of capstone have broken pkg-config file
2521  # that reports a wrong -I path, causing the #include to
2522  # fail later. If the system has such a broken version
2523  # do not use it.
2524  if capstone.found() and not cc.compiles('#include <capstone.h>',
2525                                          dependencies: [capstone])
2526    capstone = not_found
2527    if capstone_opt == 'system'
2528      error('system capstone requested, it does not appear to work')
2529    endif
2530  endif
2531
2532  if capstone.found()
2533    capstone_opt = 'system'
2534  elif have_internal
2535    capstone_opt = 'internal'
2536  else
2537    capstone_opt = 'disabled'
2538  endif
2539endif
2540if capstone_opt == 'internal'
2541  capstone_data = configuration_data()
2542  capstone_data.set('CAPSTONE_USE_SYS_DYN_MEM', '1')
2543
2544  capstone_files = files(
2545    'capstone/cs.c',
2546    'capstone/MCInst.c',
2547    'capstone/MCInstrDesc.c',
2548    'capstone/MCRegisterInfo.c',
2549    'capstone/SStream.c',
2550    'capstone/utils.c'
2551  )
2552
2553  if 'CONFIG_ARM_DIS' in config_all_disas
2554    capstone_data.set('CAPSTONE_HAS_ARM', '1')
2555    capstone_files += files(
2556      'capstone/arch/ARM/ARMDisassembler.c',
2557      'capstone/arch/ARM/ARMInstPrinter.c',
2558      'capstone/arch/ARM/ARMMapping.c',
2559      'capstone/arch/ARM/ARMModule.c'
2560    )
2561  endif
2562
2563  # FIXME: This config entry currently depends on a c++ compiler.
2564  # Which is needed for building libvixl, but not for capstone.
2565  if 'CONFIG_ARM_A64_DIS' in config_all_disas
2566    capstone_data.set('CAPSTONE_HAS_ARM64', '1')
2567    capstone_files += files(
2568      'capstone/arch/AArch64/AArch64BaseInfo.c',
2569      'capstone/arch/AArch64/AArch64Disassembler.c',
2570      'capstone/arch/AArch64/AArch64InstPrinter.c',
2571      'capstone/arch/AArch64/AArch64Mapping.c',
2572      'capstone/arch/AArch64/AArch64Module.c'
2573    )
2574  endif
2575
2576  if 'CONFIG_PPC_DIS' in config_all_disas
2577    capstone_data.set('CAPSTONE_HAS_POWERPC', '1')
2578    capstone_files += files(
2579      'capstone/arch/PowerPC/PPCDisassembler.c',
2580      'capstone/arch/PowerPC/PPCInstPrinter.c',
2581      'capstone/arch/PowerPC/PPCMapping.c',
2582      'capstone/arch/PowerPC/PPCModule.c'
2583    )
2584  endif
2585
2586  if 'CONFIG_S390_DIS' in config_all_disas
2587    capstone_data.set('CAPSTONE_HAS_SYSZ', '1')
2588    capstone_files += files(
2589      'capstone/arch/SystemZ/SystemZDisassembler.c',
2590      'capstone/arch/SystemZ/SystemZInstPrinter.c',
2591      'capstone/arch/SystemZ/SystemZMapping.c',
2592      'capstone/arch/SystemZ/SystemZModule.c',
2593      'capstone/arch/SystemZ/SystemZMCTargetDesc.c'
2594    )
2595  endif
2596
2597  if 'CONFIG_I386_DIS' in config_all_disas
2598    capstone_data.set('CAPSTONE_HAS_X86', 1)
2599    capstone_files += files(
2600      'capstone/arch/X86/X86Disassembler.c',
2601      'capstone/arch/X86/X86DisassemblerDecoder.c',
2602      'capstone/arch/X86/X86ATTInstPrinter.c',
2603      'capstone/arch/X86/X86IntelInstPrinter.c',
2604      'capstone/arch/X86/X86InstPrinterCommon.c',
2605      'capstone/arch/X86/X86Mapping.c',
2606      'capstone/arch/X86/X86Module.c'
2607    )
2608  endif
2609
2610  configure_file(output: 'capstone-defs.h', configuration: capstone_data)
2611
2612  capstone_cargs = [
2613    # FIXME: There does not seem to be a way to completely replace the c_args
2614    # that come from add_project_arguments() -- we can only add to them.
2615    # So: disable all warnings with a big hammer.
2616    '-Wno-error', '-w',
2617
2618    # Include all configuration defines via a header file, which will wind up
2619    # as a dependency on the object file, and thus changes here will result
2620    # in a rebuild.
2621    '-include', 'capstone-defs.h'
2622  ]
2623
2624  libcapstone = static_library('capstone',
2625                               build_by_default: false,
2626                               sources: capstone_files,
2627                               c_args: capstone_cargs,
2628                               include_directories: 'capstone/include')
2629  capstone = declare_dependency(link_with: libcapstone,
2630                                include_directories: 'capstone/include/capstone')
2631endif
2632
2633slirp = not_found
2634slirp_opt = 'disabled'
2635if have_system
2636  slirp_opt = get_option('slirp')
2637  if slirp_opt in ['enabled', 'auto', 'system']
2638    have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
2639    slirp = dependency('slirp', kwargs: static_kwargs,
2640                       method: 'pkg-config',
2641                       required: slirp_opt == 'system' or
2642                                 slirp_opt == 'enabled' and not have_internal)
2643    if slirp.found()
2644      slirp_opt = 'system'
2645    elif have_internal
2646      slirp_opt = 'internal'
2647    else
2648      slirp_opt = 'disabled'
2649    endif
2650  endif
2651  if slirp_opt == 'internal'
2652    slirp_deps = []
2653    if targetos == 'windows'
2654      slirp_deps = cc.find_library('iphlpapi')
2655    elif targetos == 'darwin'
2656      slirp_deps = cc.find_library('resolv')
2657    endif
2658    slirp_conf = configuration_data()
2659    slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
2660    slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
2661    slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
2662    slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
2663    slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
2664    slirp_files = [
2665      'slirp/src/arp_table.c',
2666      'slirp/src/bootp.c',
2667      'slirp/src/cksum.c',
2668      'slirp/src/dhcpv6.c',
2669      'slirp/src/dnssearch.c',
2670      'slirp/src/if.c',
2671      'slirp/src/ip6_icmp.c',
2672      'slirp/src/ip6_input.c',
2673      'slirp/src/ip6_output.c',
2674      'slirp/src/ip_icmp.c',
2675      'slirp/src/ip_input.c',
2676      'slirp/src/ip_output.c',
2677      'slirp/src/mbuf.c',
2678      'slirp/src/misc.c',
2679      'slirp/src/ncsi.c',
2680      'slirp/src/ndp_table.c',
2681      'slirp/src/sbuf.c',
2682      'slirp/src/slirp.c',
2683      'slirp/src/socket.c',
2684      'slirp/src/state.c',
2685      'slirp/src/stream.c',
2686      'slirp/src/tcp_input.c',
2687      'slirp/src/tcp_output.c',
2688      'slirp/src/tcp_subr.c',
2689      'slirp/src/tcp_timer.c',
2690      'slirp/src/tftp.c',
2691      'slirp/src/udp.c',
2692      'slirp/src/udp6.c',
2693      'slirp/src/util.c',
2694      'slirp/src/version.c',
2695      'slirp/src/vmstate.c',
2696    ]
2697
2698    configure_file(
2699      input : 'slirp/src/libslirp-version.h.in',
2700      output : 'libslirp-version.h',
2701      configuration: slirp_conf)
2702
2703    slirp_inc = include_directories('slirp', 'slirp/src')
2704    libslirp = static_library('slirp',
2705                              build_by_default: false,
2706                              sources: slirp_files,
2707                              c_args: slirp_cargs,
2708                              include_directories: slirp_inc)
2709    slirp = declare_dependency(link_with: libslirp,
2710                               dependencies: slirp_deps,
2711                               include_directories: slirp_inc)
2712  endif
2713endif
2714
2715# For CFI, we need to compile slirp as a static library together with qemu.
2716# This is because we register slirp functions as callbacks for QEMU Timers.
2717# When using a system-wide shared libslirp, the type information for the
2718# callback is missing and the timer call produces a false positive with CFI.
2719#
2720# Now that slirp_opt has been defined, check if the selected slirp is compatible
2721# with control-flow integrity.
2722if get_option('cfi') and slirp_opt == 'system'
2723  error('Control-Flow Integrity is not compatible with system-wide slirp.' \
2724         + ' Please configure with --enable-slirp=git')
2725endif
2726
2727fdt = not_found
2728if have_system
2729  fdt_opt = get_option('fdt')
2730  if fdt_opt in ['enabled', 'auto', 'system']
2731    have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2732    fdt = cc.find_library('fdt', kwargs: static_kwargs,
2733                          required: fdt_opt == 'system' or
2734                                    fdt_opt == 'enabled' and not have_internal)
2735    if fdt.found() and cc.links('''
2736       #include <libfdt.h>
2737       #include <libfdt_env.h>
2738       int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2739         dependencies: fdt)
2740      fdt_opt = 'system'
2741    elif fdt_opt == 'system'
2742       error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2743    elif have_internal
2744      fdt_opt = 'internal'
2745    else
2746      fdt_opt = 'disabled'
2747      fdt = not_found
2748    endif
2749  endif
2750  if fdt_opt == 'internal'
2751    fdt_files = files(
2752      'dtc/libfdt/fdt.c',
2753      'dtc/libfdt/fdt_ro.c',
2754      'dtc/libfdt/fdt_wip.c',
2755      'dtc/libfdt/fdt_sw.c',
2756      'dtc/libfdt/fdt_rw.c',
2757      'dtc/libfdt/fdt_strerror.c',
2758      'dtc/libfdt/fdt_empty_tree.c',
2759      'dtc/libfdt/fdt_addresses.c',
2760      'dtc/libfdt/fdt_overlay.c',
2761      'dtc/libfdt/fdt_check.c',
2762    )
2763
2764    fdt_inc = include_directories('dtc/libfdt')
2765    libfdt = static_library('fdt',
2766                            build_by_default: false,
2767                            sources: fdt_files,
2768                            include_directories: fdt_inc)
2769    fdt = declare_dependency(link_with: libfdt,
2770                             include_directories: fdt_inc)
2771  endif
2772else
2773  fdt_opt = 'disabled'
2774endif
2775if not fdt.found() and fdt_required.length() > 0
2776  error('fdt not available but required by targets ' + ', '.join(fdt_required))
2777endif
2778
2779config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2780config_host_data.set('CONFIG_FDT', fdt.found())
2781config_host_data.set('CONFIG_SLIRP', slirp.found())
2782
2783#####################
2784# Generated sources #
2785#####################
2786
2787genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2788
2789hxtool = find_program('scripts/hxtool')
2790shaderinclude = find_program('scripts/shaderinclude.pl')
2791qapi_gen = find_program('scripts/qapi-gen.py')
2792qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2793                     meson.current_source_dir() / 'scripts/qapi/commands.py',
2794                     meson.current_source_dir() / 'scripts/qapi/common.py',
2795                     meson.current_source_dir() / 'scripts/qapi/error.py',
2796                     meson.current_source_dir() / 'scripts/qapi/events.py',
2797                     meson.current_source_dir() / 'scripts/qapi/expr.py',
2798                     meson.current_source_dir() / 'scripts/qapi/gen.py',
2799                     meson.current_source_dir() / 'scripts/qapi/introspect.py',
2800                     meson.current_source_dir() / 'scripts/qapi/parser.py',
2801                     meson.current_source_dir() / 'scripts/qapi/schema.py',
2802                     meson.current_source_dir() / 'scripts/qapi/source.py',
2803                     meson.current_source_dir() / 'scripts/qapi/types.py',
2804                     meson.current_source_dir() / 'scripts/qapi/visit.py',
2805                     meson.current_source_dir() / 'scripts/qapi/common.py',
2806                     meson.current_source_dir() / 'scripts/qapi-gen.py'
2807]
2808
2809tracetool = [
2810  python, files('scripts/tracetool.py'),
2811   '--backend=' + ','.join(get_option('trace_backends'))
2812]
2813tracetool_depends = files(
2814  'scripts/tracetool/backend/log.py',
2815  'scripts/tracetool/backend/__init__.py',
2816  'scripts/tracetool/backend/dtrace.py',
2817  'scripts/tracetool/backend/ftrace.py',
2818  'scripts/tracetool/backend/simple.py',
2819  'scripts/tracetool/backend/syslog.py',
2820  'scripts/tracetool/backend/ust.py',
2821  'scripts/tracetool/format/ust_events_c.py',
2822  'scripts/tracetool/format/ust_events_h.py',
2823  'scripts/tracetool/format/__init__.py',
2824  'scripts/tracetool/format/d.py',
2825  'scripts/tracetool/format/simpletrace_stap.py',
2826  'scripts/tracetool/format/c.py',
2827  'scripts/tracetool/format/h.py',
2828  'scripts/tracetool/format/log_stap.py',
2829  'scripts/tracetool/format/stap.py',
2830  'scripts/tracetool/__init__.py',
2831  'scripts/tracetool/transform.py',
2832  'scripts/tracetool/vcpu.py'
2833)
2834
2835qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2836                    meson.current_source_dir(),
2837                    get_option('pkgversion'), meson.project_version()]
2838qemu_version = custom_target('qemu-version.h',
2839                             output: 'qemu-version.h',
2840                             command: qemu_version_cmd,
2841                             capture: true,
2842                             build_by_default: true,
2843                             build_always_stale: true)
2844genh += qemu_version
2845
2846hxdep = []
2847hx_headers = [
2848  ['qemu-options.hx', 'qemu-options.def'],
2849  ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2850]
2851if have_system
2852  hx_headers += [
2853    ['hmp-commands.hx', 'hmp-commands.h'],
2854    ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2855  ]
2856endif
2857foreach d : hx_headers
2858  hxdep += custom_target(d[1],
2859                input: files(d[0]),
2860                output: d[1],
2861                capture: true,
2862                build_by_default: true, # to be removed when added to a target
2863                command: [hxtool, '-h', '@INPUT0@'])
2864endforeach
2865genh += hxdep
2866
2867###################
2868# Collect sources #
2869###################
2870
2871authz_ss = ss.source_set()
2872blockdev_ss = ss.source_set()
2873block_ss = ss.source_set()
2874chardev_ss = ss.source_set()
2875common_ss = ss.source_set()
2876crypto_ss = ss.source_set()
2877hwcore_ss = ss.source_set()
2878io_ss = ss.source_set()
2879qmp_ss = ss.source_set()
2880qom_ss = ss.source_set()
2881softmmu_ss = ss.source_set()
2882specific_fuzz_ss = ss.source_set()
2883specific_ss = ss.source_set()
2884stub_ss = ss.source_set()
2885trace_ss = ss.source_set()
2886user_ss = ss.source_set()
2887util_ss = ss.source_set()
2888
2889# accel modules
2890qtest_module_ss = ss.source_set()
2891tcg_module_ss = ss.source_set()
2892
2893modules = {}
2894target_modules = {}
2895hw_arch = {}
2896target_arch = {}
2897target_softmmu_arch = {}
2898target_user_arch = {}
2899
2900###############
2901# Trace files #
2902###############
2903
2904# TODO: add each directory to the subdirs from its own meson.build, once
2905# we have those
2906trace_events_subdirs = [
2907  'crypto',
2908  'qapi',
2909  'qom',
2910  'monitor',
2911  'util',
2912]
2913if have_linux_user
2914  trace_events_subdirs += [ 'linux-user' ]
2915endif
2916if have_bsd_user
2917  trace_events_subdirs += [ 'bsd-user' ]
2918endif
2919if have_block
2920  trace_events_subdirs += [
2921    'authz',
2922    'block',
2923    'io',
2924    'nbd',
2925    'scsi',
2926  ]
2927endif
2928if have_system
2929  trace_events_subdirs += [
2930    'accel/kvm',
2931    'audio',
2932    'backends',
2933    'backends/tpm',
2934    'chardev',
2935    'ebpf',
2936    'hw/9pfs',
2937    'hw/acpi',
2938    'hw/adc',
2939    'hw/alpha',
2940    'hw/arm',
2941    'hw/audio',
2942    'hw/block',
2943    'hw/block/dataplane',
2944    'hw/char',
2945    'hw/display',
2946    'hw/dma',
2947    'hw/hyperv',
2948    'hw/i2c',
2949    'hw/i386',
2950    'hw/i386/xen',
2951    'hw/ide',
2952    'hw/input',
2953    'hw/intc',
2954    'hw/isa',
2955    'hw/mem',
2956    'hw/mips',
2957    'hw/misc',
2958    'hw/misc/macio',
2959    'hw/net',
2960    'hw/net/can',
2961    'hw/nubus',
2962    'hw/nvme',
2963    'hw/nvram',
2964    'hw/pci',
2965    'hw/pci-host',
2966    'hw/ppc',
2967    'hw/rdma',
2968    'hw/rdma/vmw',
2969    'hw/rtc',
2970    'hw/s390x',
2971    'hw/scsi',
2972    'hw/sd',
2973    'hw/sh4',
2974    'hw/sparc',
2975    'hw/sparc64',
2976    'hw/ssi',
2977    'hw/timer',
2978    'hw/tpm',
2979    'hw/usb',
2980    'hw/vfio',
2981    'hw/virtio',
2982    'hw/watchdog',
2983    'hw/xen',
2984    'hw/gpio',
2985    'migration',
2986    'net',
2987    'softmmu',
2988    'ui',
2989    'hw/remote',
2990  ]
2991endif
2992if have_system or have_user
2993  trace_events_subdirs += [
2994    'accel/tcg',
2995    'hw/core',
2996    'target/arm',
2997    'target/arm/hvf',
2998    'target/hppa',
2999    'target/i386',
3000    'target/i386/kvm',
3001    'target/mips/tcg',
3002    'target/nios2',
3003    'target/ppc',
3004    'target/riscv',
3005    'target/s390x',
3006    'target/s390x/kvm',
3007    'target/sparc',
3008  ]
3009endif
3010
3011vhost_user = not_found
3012if targetos == 'linux' and have_vhost_user
3013  libvhost_user = subproject('libvhost-user')
3014  vhost_user = libvhost_user.get_variable('vhost_user_dep')
3015endif
3016
3017# NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3018# that is filled in by qapi/.
3019subdir('qapi')
3020subdir('qobject')
3021subdir('stubs')
3022subdir('trace')
3023subdir('util')
3024subdir('qom')
3025subdir('authz')
3026subdir('crypto')
3027subdir('ui')
3028subdir('hw')
3029
3030
3031if enable_modules
3032  libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3033  modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3034endif
3035
3036qom_ss = qom_ss.apply(config_host, strict: false)
3037libqom = static_library('qom', qom_ss.sources() + genh,
3038                        dependencies: [qom_ss.dependencies()],
3039                        name_suffix: 'fa')
3040qom = declare_dependency(link_whole: libqom)
3041
3042event_loop_base = files('event-loop-base.c')
3043event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3044                                 build_by_default: true)
3045event_loop_base = declare_dependency(link_whole: event_loop_base,
3046                                     dependencies: [qom])
3047
3048stub_ss = stub_ss.apply(config_all, strict: false)
3049
3050util_ss.add_all(trace_ss)
3051util_ss = util_ss.apply(config_all, strict: false)
3052libqemuutil = static_library('qemuutil',
3053                             sources: util_ss.sources() + stub_ss.sources() + genh,
3054                             dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3055qemuutil = declare_dependency(link_with: libqemuutil,
3056                              sources: genh + version_res,
3057                              dependencies: [event_loop_base])
3058
3059if have_system or have_user
3060  decodetree = generator(find_program('scripts/decodetree.py'),
3061                         output: 'decode-@BASENAME@.c.inc',
3062                         arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3063  subdir('libdecnumber')
3064  subdir('target')
3065endif
3066
3067subdir('audio')
3068subdir('io')
3069subdir('chardev')
3070subdir('fsdev')
3071subdir('dump')
3072
3073if have_block
3074  block_ss.add(files(
3075    'block.c',
3076    'blockjob.c',
3077    'job.c',
3078    'qemu-io-cmds.c',
3079  ))
3080  if config_host_data.get('CONFIG_REPLICATION')
3081    block_ss.add(files('replication.c'))
3082  endif
3083
3084  subdir('nbd')
3085  subdir('scsi')
3086  subdir('block')
3087
3088  blockdev_ss.add(files(
3089    'blockdev.c',
3090    'blockdev-nbd.c',
3091    'iothread.c',
3092    'job-qmp.c',
3093  ), gnutls)
3094
3095  # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3096  # os-win32.c does not
3097  blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3098  softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3099endif
3100
3101common_ss.add(files('cpus-common.c'))
3102
3103subdir('softmmu')
3104
3105common_ss.add(capstone)
3106specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
3107
3108# Work around a gcc bug/misfeature wherein constant propagation looks
3109# through an alias:
3110#   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3111# to guess that a const variable is always zero.  Without lto, this is
3112# impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3113# without lto, not even the alias is required -- we simply use different
3114# declarations in different compilation units.
3115pagevary = files('page-vary-common.c')
3116if get_option('b_lto')
3117  pagevary_flags = ['-fno-lto']
3118  if get_option('cfi')
3119    pagevary_flags += '-fno-sanitize=cfi-icall'
3120  endif
3121  pagevary = static_library('page-vary-common', sources: pagevary + genh,
3122                            c_args: pagevary_flags)
3123  pagevary = declare_dependency(link_with: pagevary)
3124endif
3125common_ss.add(pagevary)
3126specific_ss.add(files('page-vary.c'))
3127
3128subdir('backends')
3129subdir('disas')
3130subdir('migration')
3131subdir('monitor')
3132subdir('net')
3133subdir('replay')
3134subdir('semihosting')
3135subdir('tcg')
3136subdir('fpu')
3137subdir('accel')
3138subdir('plugins')
3139subdir('ebpf')
3140
3141common_user_inc = []
3142
3143subdir('common-user')
3144subdir('bsd-user')
3145subdir('linux-user')
3146
3147# needed for fuzzing binaries
3148subdir('tests/qtest/libqos')
3149subdir('tests/qtest/fuzz')
3150
3151# accel modules
3152tcg_real_module_ss = ss.source_set()
3153tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3154specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3155target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3156                                'tcg': tcg_real_module_ss }}
3157
3158########################
3159# Library dependencies #
3160########################
3161
3162modinfo_collect = find_program('scripts/modinfo-collect.py')
3163modinfo_generate = find_program('scripts/modinfo-generate.py')
3164modinfo_files = []
3165
3166block_mods = []
3167softmmu_mods = []
3168foreach d, list : modules
3169  foreach m, module_ss : list
3170    if enable_modules and targetos != 'windows'
3171      module_ss = module_ss.apply(config_all, strict: false)
3172      sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3173                          dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3174      if d == 'block'
3175        block_mods += sl
3176      else
3177        softmmu_mods += sl
3178      endif
3179      if module_ss.sources() != []
3180        # FIXME: Should use sl.extract_all_objects(recursive: true) as
3181        # input. Sources can be used multiple times but objects are
3182        # unique when it comes to lookup in compile_commands.json.
3183        # Depnds on a mesion version with
3184        # https://github.com/mesonbuild/meson/pull/8900
3185        modinfo_files += custom_target(d + '-' + m + '.modinfo',
3186                                       output: d + '-' + m + '.modinfo',
3187                                       input: module_ss.sources() + genh,
3188                                       capture: true,
3189                                       command: [modinfo_collect, module_ss.sources()])
3190      endif
3191    else
3192      if d == 'block'
3193        block_ss.add_all(module_ss)
3194      else
3195        softmmu_ss.add_all(module_ss)
3196      endif
3197    endif
3198  endforeach
3199endforeach
3200
3201foreach d, list : target_modules
3202  foreach m, module_ss : list
3203    if enable_modules and targetos != 'windows'
3204      foreach target : target_dirs
3205        if target.endswith('-softmmu')
3206          config_target = config_target_mak[target]
3207          config_target += config_host
3208          target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3209          c_args = ['-DNEED_CPU_H',
3210                    '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3211                    '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3212          target_module_ss = module_ss.apply(config_target, strict: false)
3213          if target_module_ss.sources() != []
3214            module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3215            sl = static_library(module_name,
3216                                [genh, target_module_ss.sources()],
3217                                dependencies: [modulecommon, target_module_ss.dependencies()],
3218                                include_directories: target_inc,
3219                                c_args: c_args,
3220                                pic: true)
3221            softmmu_mods += sl
3222            # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3223            modinfo_files += custom_target(module_name + '.modinfo',
3224                                           output: module_name + '.modinfo',
3225                                           input: target_module_ss.sources() + genh,
3226                                           capture: true,
3227                                           command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3228          endif
3229        endif
3230      endforeach
3231    else
3232      specific_ss.add_all(module_ss)
3233    endif
3234  endforeach
3235endforeach
3236
3237if enable_modules
3238  modinfo_src = custom_target('modinfo.c',
3239                              output: 'modinfo.c',
3240                              input: modinfo_files,
3241                              command: [modinfo_generate, '@INPUT@'],
3242                              capture: true)
3243  modinfo_lib = static_library('modinfo', modinfo_src)
3244  modinfo_dep = declare_dependency(link_whole: modinfo_lib)
3245  softmmu_ss.add(modinfo_dep)
3246endif
3247
3248nm = find_program('nm')
3249undefsym = find_program('scripts/undefsym.py')
3250block_syms = custom_target('block.syms', output: 'block.syms',
3251                             input: [libqemuutil, block_mods],
3252                             capture: true,
3253                             command: [undefsym, nm, '@INPUT@'])
3254qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3255                             input: [libqemuutil, softmmu_mods],
3256                             capture: true,
3257                             command: [undefsym, nm, '@INPUT@'])
3258
3259authz_ss = authz_ss.apply(config_host, strict: false)
3260libauthz = static_library('authz', authz_ss.sources() + genh,
3261                          dependencies: [authz_ss.dependencies()],
3262                          name_suffix: 'fa',
3263                          build_by_default: false)
3264
3265authz = declare_dependency(link_whole: libauthz,
3266                           dependencies: qom)
3267
3268crypto_ss = crypto_ss.apply(config_host, strict: false)
3269libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3270                           dependencies: [crypto_ss.dependencies()],
3271                           name_suffix: 'fa',
3272                           build_by_default: false)
3273
3274crypto = declare_dependency(link_whole: libcrypto,
3275                            dependencies: [authz, qom])
3276
3277io_ss = io_ss.apply(config_host, strict: false)
3278libio = static_library('io', io_ss.sources() + genh,
3279                       dependencies: [io_ss.dependencies()],
3280                       link_with: libqemuutil,
3281                       name_suffix: 'fa',
3282                       build_by_default: false)
3283
3284io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3285
3286libmigration = static_library('migration', sources: migration_files + genh,
3287                              name_suffix: 'fa',
3288                              build_by_default: false)
3289migration = declare_dependency(link_with: libmigration,
3290                               dependencies: [zlib, qom, io])
3291softmmu_ss.add(migration)
3292
3293block_ss = block_ss.apply(config_host, strict: false)
3294libblock = static_library('block', block_ss.sources() + genh,
3295                          dependencies: block_ss.dependencies(),
3296                          link_depends: block_syms,
3297                          name_suffix: 'fa',
3298                          build_by_default: false)
3299
3300block = declare_dependency(link_whole: [libblock],
3301                           link_args: '@block.syms',
3302                           dependencies: [crypto, io])
3303
3304blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3305libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3306                             dependencies: blockdev_ss.dependencies(),
3307                             name_suffix: 'fa',
3308                             build_by_default: false)
3309
3310blockdev = declare_dependency(link_whole: [libblockdev],
3311                              dependencies: [block, event_loop_base])
3312
3313qmp_ss = qmp_ss.apply(config_host, strict: false)
3314libqmp = static_library('qmp', qmp_ss.sources() + genh,
3315                        dependencies: qmp_ss.dependencies(),
3316                        name_suffix: 'fa',
3317                        build_by_default: false)
3318
3319qmp = declare_dependency(link_whole: [libqmp])
3320
3321libchardev = static_library('chardev', chardev_ss.sources() + genh,
3322                            name_suffix: 'fa',
3323                            dependencies: chardev_ss.dependencies(),
3324                            build_by_default: false)
3325
3326chardev = declare_dependency(link_whole: libchardev)
3327
3328hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3329libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3330                           name_suffix: 'fa',
3331                           build_by_default: false)
3332hwcore = declare_dependency(link_whole: libhwcore)
3333common_ss.add(hwcore)
3334
3335###########
3336# Targets #
3337###########
3338
3339emulator_modules = []
3340foreach m : block_mods + softmmu_mods
3341  emulator_modules += shared_module(m.name(),
3342                build_by_default: true,
3343                name_prefix: '',
3344                link_whole: m,
3345                install: true,
3346                install_dir: qemu_moddir)
3347endforeach
3348
3349softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3350common_ss.add(qom, qemuutil)
3351
3352common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3353common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3354
3355common_all = common_ss.apply(config_all, strict: false)
3356common_all = static_library('common',
3357                            build_by_default: false,
3358                            sources: common_all.sources() + genh,
3359                            include_directories: common_user_inc,
3360                            implicit_include_directories: false,
3361                            dependencies: common_all.dependencies(),
3362                            name_suffix: 'fa')
3363
3364feature_to_c = find_program('scripts/feature_to_c.sh')
3365
3366if targetos == 'darwin'
3367  entitlement = find_program('scripts/entitlement.sh')
3368endif
3369
3370emulators = {}
3371foreach target : target_dirs
3372  config_target = config_target_mak[target]
3373  target_name = config_target['TARGET_NAME']
3374  target_base_arch = config_target['TARGET_BASE_ARCH']
3375  arch_srcs = [config_target_h[target]]
3376  arch_deps = []
3377  c_args = ['-DNEED_CPU_H',
3378            '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3379            '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3380  link_args = emulator_link_args
3381
3382  config_target += config_host
3383  target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3384  if targetos == 'linux'
3385    target_inc += include_directories('linux-headers', is_system: true)
3386  endif
3387  if target.endswith('-softmmu')
3388    qemu_target_name = 'qemu-system-' + target_name
3389    target_type='system'
3390    t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3391    arch_srcs += t.sources()
3392    arch_deps += t.dependencies()
3393
3394    hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3395    hw = hw_arch[hw_dir].apply(config_target, strict: false)
3396    arch_srcs += hw.sources()
3397    arch_deps += hw.dependencies()
3398
3399    arch_srcs += config_devices_h[target]
3400    link_args += ['@block.syms', '@qemu.syms']
3401  else
3402    abi = config_target['TARGET_ABI_DIR']
3403    target_type='user'
3404    target_inc += common_user_inc
3405    qemu_target_name = 'qemu-' + target_name
3406    if target_base_arch in target_user_arch
3407      t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3408      arch_srcs += t.sources()
3409      arch_deps += t.dependencies()
3410    endif
3411    if 'CONFIG_LINUX_USER' in config_target
3412      base_dir = 'linux-user'
3413    endif
3414    if 'CONFIG_BSD_USER' in config_target
3415      base_dir = 'bsd-user'
3416      target_inc += include_directories('bsd-user/' / targetos)
3417      target_inc += include_directories('bsd-user/host/' / host_arch)
3418      dir = base_dir / abi
3419      arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3420    endif
3421    target_inc += include_directories(
3422      base_dir,
3423      base_dir / abi,
3424    )
3425    if 'CONFIG_LINUX_USER' in config_target
3426      dir = base_dir / abi
3427      arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3428      if config_target.has_key('TARGET_SYSTBL_ABI')
3429        arch_srcs += \
3430          syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3431                                             extra_args : config_target['TARGET_SYSTBL_ABI'])
3432      endif
3433    endif
3434  endif
3435
3436  if 'TARGET_XML_FILES' in config_target
3437    gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3438                                output: target + '-gdbstub-xml.c',
3439                                input: files(config_target['TARGET_XML_FILES'].split()),
3440                                command: [feature_to_c, '@INPUT@'],
3441                                capture: true)
3442    arch_srcs += gdbstub_xml
3443  endif
3444
3445  t = target_arch[target_base_arch].apply(config_target, strict: false)
3446  arch_srcs += t.sources()
3447  arch_deps += t.dependencies()
3448
3449  target_common = common_ss.apply(config_target, strict: false)
3450  objects = common_all.extract_objects(target_common.sources())
3451  deps = target_common.dependencies()
3452
3453  target_specific = specific_ss.apply(config_target, strict: false)
3454  arch_srcs += target_specific.sources()
3455  arch_deps += target_specific.dependencies()
3456
3457  lib = static_library('qemu-' + target,
3458                 sources: arch_srcs + genh,
3459                 dependencies: arch_deps,
3460                 objects: objects,
3461                 include_directories: target_inc,
3462                 c_args: c_args,
3463                 build_by_default: false,
3464                 name_suffix: 'fa')
3465
3466  if target.endswith('-softmmu')
3467    execs = [{
3468      'name': 'qemu-system-' + target_name,
3469      'win_subsystem': 'console',
3470      'sources': files('softmmu/main.c'),
3471      'dependencies': []
3472    }]
3473    if targetos == 'windows' and (sdl.found() or gtk.found())
3474      execs += [{
3475        'name': 'qemu-system-' + target_name + 'w',
3476        'win_subsystem': 'windows',
3477        'sources': files('softmmu/main.c'),
3478        'dependencies': []
3479      }]
3480    endif
3481    if get_option('fuzzing')
3482      specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3483      execs += [{
3484        'name': 'qemu-fuzz-' + target_name,
3485        'win_subsystem': 'console',
3486        'sources': specific_fuzz.sources(),
3487        'dependencies': specific_fuzz.dependencies(),
3488      }]
3489    endif
3490  else
3491    execs = [{
3492      'name': 'qemu-' + target_name,
3493      'win_subsystem': 'console',
3494      'sources': [],
3495      'dependencies': []
3496    }]
3497  endif
3498  foreach exe: execs
3499    exe_name = exe['name']
3500    if targetos == 'darwin'
3501      exe_name += '-unsigned'
3502    endif
3503
3504    emulator = executable(exe_name, exe['sources'],
3505               install: true,
3506               c_args: c_args,
3507               dependencies: arch_deps + deps + exe['dependencies'],
3508               objects: lib.extract_all_objects(recursive: true),
3509               link_language: link_language,
3510               link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3511               link_args: link_args,
3512               win_subsystem: exe['win_subsystem'])
3513
3514    if targetos == 'darwin'
3515      icon = 'pc-bios/qemu.rsrc'
3516      build_input = [emulator, files(icon)]
3517      install_input = [
3518        get_option('bindir') / exe_name,
3519        meson.current_source_dir() / icon
3520      ]
3521      if 'CONFIG_HVF' in config_target
3522        entitlements = 'accel/hvf/entitlements.plist'
3523        build_input += files(entitlements)
3524        install_input += meson.current_source_dir() / entitlements
3525      endif
3526
3527      emulators += {exe['name'] : custom_target(exe['name'],
3528                   input: build_input,
3529                   output: exe['name'],
3530                   command: [entitlement, '@OUTPUT@', '@INPUT@'])
3531      }
3532
3533      meson.add_install_script(entitlement, '--install',
3534                               get_option('bindir') / exe['name'],
3535                               install_input)
3536    else
3537      emulators += {exe['name']: emulator}
3538    endif
3539
3540    if stap.found()
3541      foreach stp: [
3542        {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3543        {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3544        {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3545        {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3546      ]
3547        custom_target(exe['name'] + stp['ext'],
3548                      input: trace_events_all,
3549                      output: exe['name'] + stp['ext'],
3550                      install: stp['install'],
3551                      install_dir: get_option('datadir') / 'systemtap/tapset',
3552                      command: [
3553                        tracetool, '--group=all', '--format=' + stp['fmt'],
3554                        '--binary=' + stp['bin'],
3555                        '--target-name=' + target_name,
3556                        '--target-type=' + target_type,
3557                        '--probe-prefix=qemu.' + target_type + '.' + target_name,
3558                        '@INPUT@', '@OUTPUT@'
3559                      ],
3560                      depend_files: tracetool_depends)
3561      endforeach
3562    endif
3563  endforeach
3564endforeach
3565
3566# Other build targets
3567
3568if 'CONFIG_PLUGIN' in config_host
3569  install_headers('include/qemu/qemu-plugin.h')
3570endif
3571
3572subdir('qga')
3573
3574# Don't build qemu-keymap if xkbcommon is not explicitly enabled
3575# when we don't build tools or system
3576if xkbcommon.found()
3577  # used for the update-keymaps target, so include rules even if !have_tools
3578  qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3579                           dependencies: [qemuutil, xkbcommon], install: have_tools)
3580endif
3581
3582if have_tools
3583  qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3584             dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3585  qemu_io = executable('qemu-io', files('qemu-io.c'),
3586             dependencies: [block, qemuutil], install: true)
3587  qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3588               dependencies: [blockdev, qemuutil, gnutls, selinux],
3589               install: true)
3590
3591  subdir('storage-daemon')
3592  subdir('contrib/rdmacm-mux')
3593  subdir('contrib/elf2dmp')
3594
3595  executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3596             dependencies: qemuutil,
3597             install: true)
3598
3599  if have_vhost_user
3600    subdir('contrib/vhost-user-blk')
3601    subdir('contrib/vhost-user-gpu')
3602    subdir('contrib/vhost-user-input')
3603    subdir('contrib/vhost-user-scsi')
3604  endif
3605
3606  if targetos == 'linux'
3607    executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3608               dependencies: [qemuutil, libcap_ng],
3609               install: true,
3610               install_dir: get_option('libexecdir'))
3611
3612    executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3613               dependencies: [authz, crypto, io, qom, qemuutil,
3614                              libcap_ng, mpathpersist],
3615               install: true)
3616  endif
3617
3618  if have_ivshmem
3619    subdir('contrib/ivshmem-client')
3620    subdir('contrib/ivshmem-server')
3621  endif
3622endif
3623
3624subdir('scripts')
3625subdir('tools')
3626subdir('pc-bios')
3627subdir('docs')
3628subdir('tests')
3629if gtk.found()
3630  subdir('po')
3631endif
3632
3633if host_machine.system() == 'windows'
3634  nsis_cmd = [
3635    find_program('scripts/nsis.py'),
3636    '@OUTPUT@',
3637    get_option('prefix'),
3638    meson.current_source_dir(),
3639    host_machine.cpu(),
3640    '--',
3641    '-DDISPLAYVERSION=' + meson.project_version(),
3642  ]
3643  if build_docs
3644    nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3645  endif
3646  if gtk.found()
3647    nsis_cmd += '-DCONFIG_GTK=y'
3648  endif
3649
3650  nsis = custom_target('nsis',
3651                       output: 'qemu-setup-' + meson.project_version() + '.exe',
3652                       input: files('qemu.nsi'),
3653                       build_always_stale: true,
3654                       command: nsis_cmd + ['@INPUT@'])
3655  alias_target('installer', nsis)
3656endif
3657
3658#########################
3659# Configuration summary #
3660#########################
3661
3662# Directories
3663summary_info = {}
3664summary_info += {'Install prefix':    get_option('prefix')}
3665summary_info += {'BIOS directory':    qemu_datadir}
3666summary_info += {'firmware path':     get_option('prefix') / get_option('qemu_firmwarepath')}
3667summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3668summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3669summary_info += {'module directory':  qemu_moddir}
3670summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3671summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3672summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3673if targetos != 'windows'
3674  summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3675  summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3676else
3677  summary_info += {'local state directory': 'queried at runtime'}
3678endif
3679summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3680summary_info += {'Build directory':   meson.current_build_dir()}
3681summary_info += {'Source path':       meson.current_source_dir()}
3682summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3683summary(summary_info, bool_yn: true, section: 'Directories')
3684
3685# Host binaries
3686summary_info = {}
3687summary_info += {'git':               config_host['GIT']}
3688summary_info += {'make':              config_host['MAKE']}
3689summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3690summary_info += {'sphinx-build':      sphinx_build}
3691if config_host.has_key('HAVE_GDB_BIN')
3692  summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3693endif
3694summary_info += {'iasl':              iasl}
3695summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3696if targetos == 'windows' and have_ga
3697  summary_info += {'wixl':            wixl}
3698endif
3699if slirp_opt != 'disabled' and have_system
3700  summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3701endif
3702summary(summary_info, bool_yn: true, section: 'Host binaries')
3703
3704# Configurable features
3705summary_info = {}
3706summary_info += {'Documentation':     build_docs}
3707summary_info += {'system-mode emulation': have_system}
3708summary_info += {'user-mode emulation': have_user}
3709summary_info += {'block layer':       have_block}
3710summary_info += {'Install blobs':     get_option('install_blobs')}
3711summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3712if config_host.has_key('CONFIG_MODULES')
3713  summary_info += {'alternative module path': get_option('module_upgrades')}
3714endif
3715summary_info += {'fuzzing support':   get_option('fuzzing')}
3716if have_system
3717  summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3718endif
3719summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3720if 'simple' in get_option('trace_backends')
3721  summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3722endif
3723summary_info += {'D-Bus display':     dbus_display}
3724summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3725summary_info += {'vhost-kernel support': have_vhost_kernel}
3726summary_info += {'vhost-net support': have_vhost_net}
3727summary_info += {'vhost-user support': have_vhost_user}
3728summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3729summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3730summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3731summary_info += {'build guest agent': have_ga}
3732summary(summary_info, bool_yn: true, section: 'Configurable features')
3733
3734# Compilation information
3735summary_info = {}
3736summary_info += {'host CPU':          cpu}
3737summary_info += {'host endianness':   build_machine.endian()}
3738summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3739summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3740if link_language == 'cpp'
3741  summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3742else
3743  summary_info += {'C++ compiler':      false}
3744endif
3745if targetos == 'darwin'
3746  summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3747endif
3748summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
3749                                               + ['-O' + get_option('optimization')]
3750                                               + (get_option('debug') ? ['-g'] : []))}
3751if link_language == 'cpp'
3752  summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
3753                                               + ['-O' + get_option('optimization')]
3754                                               + (get_option('debug') ? ['-g'] : []))}
3755endif
3756if targetos == 'darwin'
3757  summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args')
3758                                               + ['-O' + get_option('optimization')]
3759                                               + (get_option('debug') ? ['-g'] : []))}
3760endif
3761link_args = get_option(link_language + '_link_args')
3762if link_args.length() > 0
3763  summary_info += {'LDFLAGS':         ' '.join(link_args)}
3764endif
3765summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3766summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3767summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3768summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3769summary_info += {'profiler':          get_option('profiler')}
3770summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3771summary_info += {'PIE':               get_option('b_pie')}
3772summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3773summary_info += {'malloc trim support': has_malloc_trim}
3774summary_info += {'membarrier':        have_membarrier}
3775summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3776summary_info += {'mutex debugging':   get_option('debug_mutex')}
3777summary_info += {'memory allocator':  get_option('malloc')}
3778summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3779summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3780summary_info += {'gprof enabled':     get_option('gprof')}
3781summary_info += {'gcov':              get_option('b_coverage')}
3782summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3783summary_info += {'CFI support':       get_option('cfi')}
3784if get_option('cfi')
3785  summary_info += {'CFI debug support': get_option('cfi_debug')}
3786endif
3787summary_info += {'strip binaries':    get_option('strip')}
3788summary_info += {'sparse':            sparse}
3789summary_info += {'mingw32 support':   targetos == 'windows'}
3790
3791# snarf the cross-compilation information for tests
3792foreach target: target_dirs
3793  tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + '.mak'
3794  if fs.exists(tcg_mak)
3795    config_cross_tcg = keyval.load(tcg_mak)
3796    target = config_cross_tcg['TARGET_NAME']
3797    compiler = ''
3798    if 'DOCKER_CROSS_CC_GUEST' in config_cross_tcg
3799      summary_info += {target + ' tests': config_cross_tcg['DOCKER_CROSS_CC_GUEST'] +
3800                                          ' via ' + config_cross_tcg['DOCKER_IMAGE']}
3801    elif 'CROSS_CC_GUEST' in config_cross_tcg
3802      summary_info += {target + ' tests'
3803                                : config_cross_tcg['CROSS_CC_GUEST'] }
3804    endif
3805   endif
3806endforeach
3807
3808summary(summary_info, bool_yn: true, section: 'Compilation')
3809
3810# Targets and accelerators
3811summary_info = {}
3812if have_system
3813  summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3814  summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3815  summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3816  summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3817  summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3818  summary_info += {'Xen support':       xen.found()}
3819  if xen.found()
3820    summary_info += {'xen ctrl version':  xen.version()}
3821  endif
3822endif
3823summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3824if config_all.has_key('CONFIG_TCG')
3825  if get_option('tcg_interpreter')
3826    summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3827  else
3828    summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3829  endif
3830  summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3831  summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3832endif
3833summary_info += {'target list':       ' '.join(target_dirs)}
3834if have_system
3835  summary_info += {'default devices':   get_option('default_devices')}
3836  summary_info += {'out of process emulation': multiprocess_allowed}
3837endif
3838summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3839
3840# Block layer
3841summary_info = {}
3842summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3843summary_info += {'coroutine pool':    have_coroutine_pool}
3844if have_block
3845  summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3846  summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3847  summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3848  summary_info += {'VirtFS support':    have_virtfs}
3849  summary_info += {'build virtiofs daemon': have_virtiofsd}
3850  summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3851  summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3852  summary_info += {'bochs support':     get_option('bochs').allowed()}
3853  summary_info += {'cloop support':     get_option('cloop').allowed()}
3854  summary_info += {'dmg support':       get_option('dmg').allowed()}
3855  summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3856  summary_info += {'vdi support':       get_option('vdi').allowed()}
3857  summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3858  summary_info += {'qed support':       get_option('qed').allowed()}
3859  summary_info += {'parallels support': get_option('parallels').allowed()}
3860  summary_info += {'FUSE exports':      fuse}
3861endif
3862summary(summary_info, bool_yn: true, section: 'Block layer support')
3863
3864# Crypto
3865summary_info = {}
3866summary_info += {'TLS priority':      get_option('tls_priority')}
3867summary_info += {'GNUTLS support':    gnutls}
3868if gnutls.found()
3869  summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3870endif
3871summary_info += {'libgcrypt':         gcrypt}
3872summary_info += {'nettle':            nettle}
3873if nettle.found()
3874   summary_info += {'  XTS':             xts != 'private'}
3875endif
3876summary_info += {'AF_ALG support':    have_afalg}
3877summary_info += {'rng-none':          get_option('rng_none')}
3878summary_info += {'Linux keyring':     have_keyring}
3879summary(summary_info, bool_yn: true, section: 'Crypto')
3880
3881# Libraries
3882summary_info = {}
3883if targetos == 'darwin'
3884  summary_info += {'Cocoa support':   cocoa}
3885endif
3886summary_info += {'SDL support':       sdl}
3887summary_info += {'SDL image support': sdl_image}
3888summary_info += {'GTK support':       gtk}
3889summary_info += {'pixman':            pixman}
3890summary_info += {'VTE support':       vte}
3891summary_info += {'slirp support':     slirp_opt == 'internal' ? slirp_opt : slirp}
3892summary_info += {'libtasn1':          tasn1}
3893summary_info += {'PAM':               pam}
3894summary_info += {'iconv support':     iconv}
3895summary_info += {'curses support':    curses}
3896summary_info += {'virgl support':     virgl}
3897summary_info += {'curl support':      curl}
3898summary_info += {'Multipath support': mpathpersist}
3899summary_info += {'PNG support':       png}
3900summary_info += {'VNC support':       vnc}
3901if vnc.found()
3902  summary_info += {'VNC SASL support':  sasl}
3903  summary_info += {'VNC JPEG support':  jpeg}
3904endif
3905if targetos not in ['darwin', 'haiku', 'windows']
3906  summary_info += {'OSS support':     oss}
3907elif targetos == 'darwin'
3908  summary_info += {'CoreAudio support': coreaudio}
3909elif targetos == 'windows'
3910  summary_info += {'DirectSound support': dsound}
3911endif
3912if targetos == 'linux'
3913  summary_info += {'ALSA support':    alsa}
3914  summary_info += {'PulseAudio support': pulse}
3915endif
3916summary_info += {'JACK support':      jack}
3917summary_info += {'brlapi support':    brlapi}
3918summary_info += {'vde support':       vde}
3919summary_info += {'netmap support':    have_netmap}
3920summary_info += {'l2tpv3 support':    have_l2tpv3}
3921summary_info += {'Linux AIO support': libaio}
3922summary_info += {'Linux io_uring support': linux_io_uring}
3923summary_info += {'ATTR/XATTR support': libattr}
3924summary_info += {'RDMA support':      rdma}
3925summary_info += {'PVRDMA support':    have_pvrdma}
3926summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3927summary_info += {'libcap-ng support': libcap_ng}
3928summary_info += {'bpf support':       libbpf}
3929summary_info += {'spice protocol support': spice_protocol}
3930if spice_protocol.found()
3931  summary_info += {'  spice server support': spice}
3932endif
3933summary_info += {'rbd support':       rbd}
3934summary_info += {'smartcard support': cacard}
3935summary_info += {'U2F support':       u2f}
3936summary_info += {'libusb':            libusb}
3937summary_info += {'usb net redir':     usbredir}
3938summary_info += {'OpenGL support (epoxy)': opengl}
3939summary_info += {'GBM':               gbm}
3940summary_info += {'libiscsi support':  libiscsi}
3941summary_info += {'libnfs support':    libnfs}
3942if targetos == 'windows'
3943  if have_ga
3944    summary_info += {'QGA VSS support':   have_qga_vss}
3945  endif
3946endif
3947summary_info += {'seccomp support':   seccomp}
3948summary_info += {'GlusterFS support': glusterfs}
3949summary_info += {'TPM support':       have_tpm}
3950summary_info += {'libssh support':    libssh}
3951summary_info += {'lzo support':       lzo}
3952summary_info += {'snappy support':    snappy}
3953summary_info += {'bzip2 support':     libbzip2}
3954summary_info += {'lzfse support':     liblzfse}
3955summary_info += {'zstd support':      zstd}
3956summary_info += {'NUMA host support': numa}
3957summary_info += {'capstone':          capstone_opt == 'internal' ? capstone_opt : capstone}
3958summary_info += {'libpmem support':   libpmem}
3959summary_info += {'libdaxctl support': libdaxctl}
3960summary_info += {'libudev':           libudev}
3961# Dummy dependency, keep .found()
3962summary_info += {'FUSE lseek':        fuse_lseek.found()}
3963summary_info += {'selinux':           selinux}
3964summary(summary_info, bool_yn: true, section: 'Dependencies')
3965
3966if not supported_cpus.contains(cpu)
3967  message()
3968  warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3969  message()
3970  message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3971  message('The QEMU project intends to remove support for this host CPU in')
3972  message('a future release if nobody volunteers to maintain it and to')
3973  message('provide a build host for our continuous integration setup.')
3974  message('configure has succeeded and you can continue to build, but')
3975  message('if you care about QEMU on this platform you should contact')
3976  message('us upstream at qemu-devel@nongnu.org.')
3977endif
3978
3979if not supported_oses.contains(targetos)
3980  message()
3981  warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3982  message()
3983  message('Host OS ' + targetos + 'support is not currently maintained.')
3984  message('The QEMU project intends to remove support for this host OS in')
3985  message('a future release if nobody volunteers to maintain it and to')
3986  message('provide a build host for our continuous integration setup.')
3987  message('configure has succeeded and you can continue to build, but')
3988  message('if you care about QEMU on this platform you should contact')
3989  message('us upstream at qemu-devel@nongnu.org.')
3990endif
3991