xref: /qemu/meson.build (revision 6003159c)
1project('qemu', ['c'], meson_version: '>=0.61.3',
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
10meson.add_postconf_script(find_program('scripts/symlink-install-tree.py'))
11
12not_found = dependency('', required: false)
13keyval = import('keyval')
14ss = import('sourceset')
15fs = import('fs')
16
17targetos = host_machine.system()
18sh = find_program('sh')
19config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
20enable_modules = 'CONFIG_MODULES' in config_host
21enable_static = 'CONFIG_STATIC' in config_host
22
23# Allow both shared and static libraries unless --enable-static
24static_kwargs = enable_static ? {'static': true} : {}
25
26cc = meson.get_compiler('c')
27all_languages = ['c']
28if add_languages('cpp', required: false, native: false)
29  all_languages += ['cpp']
30  cxx = meson.get_compiler('cpp')
31endif
32if targetos == 'darwin' and \
33   add_languages('objc', required: get_option('cocoa'), native: false)
34  all_languages += ['objc']
35  objc = meson.get_compiler('objc')
36endif
37
38# Temporary directory used for files created while
39# configure runs. Since it is in the build directory
40# we can safely blow away any previous version of it
41# (and we need not jump through hoops to try to delete
42# it when configure exits.)
43tmpdir = meson.current_build_dir() / 'meson-private/temp'
44
45if get_option('qemu_suffix').startswith('/')
46  error('qemu_suffix cannot start with a /')
47endif
48
49qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
50qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
51qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
52qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
53
54qemu_desktopdir = get_option('datadir') / 'applications'
55qemu_icondir = get_option('datadir') / 'icons'
56
57config_host_data = configuration_data()
58genh = []
59qapi_trace_events = []
60
61bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
62supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
63supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
64  'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
65
66cpu = host_machine.cpu_family()
67
68# Unify riscv* to a single family.
69if cpu in ['riscv32', 'riscv64']
70  cpu = 'riscv'
71endif
72
73target_dirs = config_host['TARGET_DIRS'].split()
74have_linux_user = false
75have_bsd_user = false
76have_system = false
77foreach target : target_dirs
78  have_linux_user = have_linux_user or target.endswith('linux-user')
79  have_bsd_user = have_bsd_user or target.endswith('bsd-user')
80  have_system = have_system or target.endswith('-softmmu')
81endforeach
82have_user = have_linux_user or have_bsd_user
83have_tools = get_option('tools') \
84  .disable_auto_if(not have_system) \
85  .allowed()
86have_ga = get_option('guest_agent') \
87  .disable_auto_if(not have_system and not have_tools) \
88  .require(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
89           error_message: 'unsupported OS for QEMU guest agent') \
90  .allowed()
91have_block = have_system or have_tools
92
93python = import('python').find_installation()
94
95if cpu not in supported_cpus
96  host_arch = 'unknown'
97elif cpu == 'x86'
98  host_arch = 'i386'
99elif cpu == 'mips64'
100  host_arch = 'mips'
101else
102  host_arch = cpu
103endif
104
105if cpu in ['x86', 'x86_64']
106  kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
107elif cpu == 'aarch64'
108  kvm_targets = ['aarch64-softmmu']
109elif cpu == 's390x'
110  kvm_targets = ['s390x-softmmu']
111elif cpu in ['ppc', 'ppc64']
112  kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
113elif cpu in ['mips', 'mips64']
114  kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
115elif cpu in ['riscv']
116  kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
117else
118  kvm_targets = []
119endif
120
121kvm_targets_c = '""'
122if get_option('kvm').allowed() and targetos == 'linux'
123  kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
124endif
125config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
126
127accelerator_targets = { 'CONFIG_KVM': kvm_targets }
128
129if cpu in ['aarch64']
130  accelerator_targets += {
131    'CONFIG_HVF': ['aarch64-softmmu']
132  }
133endif
134
135if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
136  # i386 emulator provides xenpv machine type for multiple architectures
137  accelerator_targets += {
138    'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
139  }
140endif
141if cpu in ['x86', 'x86_64']
142  accelerator_targets += {
143    'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
144    'CONFIG_HVF': ['x86_64-softmmu'],
145    'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
146    'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
147  }
148endif
149
150modular_tcg = []
151# Darwin does not support references to thread-local variables in modules
152if targetos != 'darwin'
153  modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
154endif
155
156edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
157unpack_edk2_blobs = false
158foreach target : edk2_targets
159  if target in target_dirs
160    bzip2 = find_program('bzip2', required: get_option('install_blobs'))
161    unpack_edk2_blobs = bzip2.found()
162    break
163  endif
164endforeach
165
166dtrace = not_found
167stap = not_found
168if 'dtrace' in get_option('trace_backends')
169  dtrace = find_program('dtrace', required: true)
170  stap = find_program('stap', required: false)
171  if stap.found()
172    # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
173    # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
174    # instead. QEMU --enable-modules depends on this because the SystemTap
175    # semaphores are linked into the main binary and not the module's shared
176    # object.
177    add_global_arguments('-DSTAP_SDT_V2',
178                         native: false, language: all_languages)
179  endif
180endif
181
182if get_option('iasl') == ''
183  iasl = find_program('iasl', required: false)
184else
185  iasl = find_program(get_option('iasl'), required: true)
186endif
187
188##################
189# Compiler flags #
190##################
191
192qemu_cflags = config_host['QEMU_CFLAGS'].split()
193qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split()
194qemu_ldflags = config_host['QEMU_LDFLAGS'].split()
195
196if enable_static
197  qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
198endif
199
200# Detect support for PT_GNU_RELRO + DT_BIND_NOW.
201# The combination is known as "full relro", because .got.plt is read-only too.
202qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
203
204if targetos == 'windows'
205  qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
206  qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
207endif
208
209if get_option('gprof')
210  qemu_cflags += ['-p']
211  qemu_objcflags += ['-p']
212  qemu_ldflags += ['-p']
213endif
214
215# Specify linker-script with add_project_link_arguments so that it is not placed
216# within a linker --start-group/--end-group pair
217if get_option('fuzzing')
218  add_project_link_arguments(['-Wl,-T,',
219                              (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
220                             native: false, language: all_languages)
221
222  # Specify a filter to only instrument code that is directly related to
223  # virtual-devices.
224  configure_file(output: 'instrumentation-filter',
225                 input: 'scripts/oss-fuzz/instrumentation-filter-template',
226                 copy: true)
227
228  if cc.compiles('int main () { return 0; }',
229                  name: '-fsanitize-coverage-allowlist=/dev/null',
230                 args: ['-fsanitize-coverage-allowlist=/dev/null',
231                        '-fsanitize-coverage=trace-pc'] )
232    add_global_arguments('-fsanitize-coverage-allowlist=instrumentation-filter',
233                         native: false, language: all_languages)
234  endif
235
236  if get_option('fuzzing_engine') == ''
237    # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
238    # compiled code.  To build non-fuzzer binaries with --enable-fuzzing, link
239    # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
240    # unable to bind the fuzzer-related callbacks added by instrumentation.
241    add_global_arguments('-fsanitize=fuzzer-no-link',
242                         native: false, language: all_languages)
243    add_global_link_arguments('-fsanitize=fuzzer-no-link',
244                              native: false, language: all_languages)
245    # For the actual fuzzer binaries, we need to link against the libfuzzer
246    # library. They need to be configurable, to support OSS-Fuzz
247    fuzz_exe_ldflags = ['-fsanitize=fuzzer']
248  else
249    # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
250    # the needed CFLAGS have already been provided
251    fuzz_exe_ldflags = get_option('fuzzing_engine').split()
252  endif
253endif
254
255# Check that the C++ compiler exists and works with the C compiler.
256link_language = 'c'
257linker = cc
258qemu_cxxflags = []
259if 'cpp' in all_languages
260  add_global_arguments(['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'],
261                       native: false, language: 'cpp')
262  foreach k: qemu_cflags
263    if k not in ['-Wstrict-prototypes', '-Wmissing-prototypes', '-Wnested-externs',
264                 '-Wold-style-declaration', '-Wold-style-definition', '-Wredundant-decls']
265      qemu_cxxflags += [k]
266    endif
267  endforeach
268
269  if cxx.links(files('scripts/main.c'), args: qemu_cflags)
270    link_language = 'cpp'
271    linker = cxx
272  else
273    message('C++ compiler does not work with C compiler')
274    message('Disabling C++-specific optional code')
275  endif
276endif
277
278# Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
279if targetos != 'sunos' and not config_host.has_key('CONFIG_TSAN')
280  qemu_ldflags += linker.get_supported_link_arguments('-Wl,--warn-common')
281endif
282
283add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
284
285add_global_arguments(qemu_cflags, native: false, language: 'c')
286add_global_arguments(qemu_cxxflags, native: false, language: 'cpp')
287add_global_arguments(qemu_objcflags, native: false, language: 'objc')
288if targetos == 'linux'
289  add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
290                        '-isystem', 'linux-headers',
291                        language: all_languages)
292endif
293
294add_project_arguments('-iquote', '.',
295                      '-iquote', meson.current_source_dir(),
296                      '-iquote', meson.current_source_dir() / 'include',
297                      language: all_languages)
298
299sparse = find_program('cgcc', required: get_option('sparse'))
300if sparse.found()
301  run_target('sparse',
302             command: [find_program('scripts/check_sparse.py'),
303                       'compile_commands.json', sparse.full_path(), '-Wbitwise',
304                       '-Wno-transparent-union', '-Wno-old-initializer',
305                       '-Wno-non-pointer-null'])
306endif
307
308###########################################
309# Target-specific checks and dependencies #
310###########################################
311
312# Fuzzing
313if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
314    not cc.links('''
315          #include <stdint.h>
316          #include <sys/types.h>
317          int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
318          int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
319        ''',
320        args: ['-Werror', '-fsanitize=fuzzer'])
321  error('Your compiler does not support -fsanitize=fuzzer')
322endif
323
324# Tracing backends
325if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
326  error('ftrace is supported only on Linux')
327endif
328if 'syslog' in get_option('trace_backends') and not cc.compiles('''
329    #include <syslog.h>
330    int main(void) {
331        openlog("qemu", LOG_PID, LOG_DAEMON);
332        syslog(LOG_INFO, "configure");
333        return 0;
334    }''')
335  error('syslog is not supported on this system')
336endif
337
338# Miscellaneous Linux-only features
339get_option('mpath') \
340  .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
341
342multiprocess_allowed = get_option('multiprocess') \
343  .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
344  .allowed()
345
346vfio_user_server_allowed = get_option('vfio_user_server') \
347  .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
348  .allowed()
349
350have_tpm = get_option('tpm') \
351  .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
352  .allowed()
353
354# vhost
355have_vhost_user = get_option('vhost_user') \
356  .disable_auto_if(targetos != 'linux') \
357  .require(targetos != 'windows',
358           error_message: 'vhost-user is not available on Windows').allowed()
359have_vhost_vdpa = get_option('vhost_vdpa') \
360  .require(targetos == 'linux',
361           error_message: 'vhost-vdpa is only available on Linux').allowed()
362have_vhost_kernel = get_option('vhost_kernel') \
363  .require(targetos == 'linux',
364           error_message: 'vhost-kernel is only available on Linux').allowed()
365have_vhost_user_crypto = get_option('vhost_crypto') \
366  .require(have_vhost_user,
367           error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
368
369have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
370
371have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
372have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
373have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
374have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
375
376# Target-specific libraries and flags
377libm = cc.find_library('m', required: false)
378threads = dependency('threads')
379util = cc.find_library('util', required: false)
380winmm = []
381socket = []
382version_res = []
383coref = []
384iokit = []
385emulator_link_args = []
386nvmm =not_found
387hvf = not_found
388midl = not_found
389widl = not_found
390pathcch = not_found
391host_dsosuf = '.so'
392if targetos == 'windows'
393  midl = find_program('midl', required: false)
394  widl = find_program('widl', required: false)
395  pathcch = cc.find_library('pathcch')
396  socket = cc.find_library('ws2_32')
397  winmm = cc.find_library('winmm')
398
399  win = import('windows')
400  version_res = win.compile_resources('version.rc',
401                                      depend_files: files('pc-bios/qemu-nsis.ico'),
402                                      include_directories: include_directories('.'))
403  host_dsosuf = '.dll'
404elif targetos == 'darwin'
405  coref = dependency('appleframeworks', modules: 'CoreFoundation')
406  iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
407  host_dsosuf = '.dylib'
408elif targetos == 'sunos'
409  socket = [cc.find_library('socket'),
410            cc.find_library('nsl'),
411            cc.find_library('resolv')]
412elif targetos == 'haiku'
413  socket = [cc.find_library('posix_error_mapper'),
414            cc.find_library('network'),
415            cc.find_library('bsd')]
416elif targetos == 'openbsd'
417  if get_option('tcg').allowed() and target_dirs.length() > 0
418    # Disable OpenBSD W^X if available
419    emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
420  endif
421endif
422
423# Target-specific configuration of accelerators
424accelerators = []
425if get_option('kvm').allowed() and targetos == 'linux'
426  accelerators += 'CONFIG_KVM'
427endif
428if get_option('whpx').allowed() and targetos == 'windows'
429  if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
430    error('WHPX requires 64-bit host')
431  elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
432       cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
433    accelerators += 'CONFIG_WHPX'
434  endif
435endif
436if get_option('hvf').allowed()
437  hvf = dependency('appleframeworks', modules: 'Hypervisor',
438                   required: get_option('hvf'))
439  if hvf.found()
440    accelerators += 'CONFIG_HVF'
441  endif
442endif
443if get_option('hax').allowed()
444  if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
445    accelerators += 'CONFIG_HAX'
446  endif
447endif
448if targetos == 'netbsd'
449  nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
450  if nvmm.found()
451    accelerators += 'CONFIG_NVMM'
452  endif
453endif
454
455tcg_arch = host_arch
456if get_option('tcg').allowed()
457  if host_arch == 'unknown'
458    if get_option('tcg_interpreter')
459      warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
460    else
461      error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
462    endif
463  elif get_option('tcg_interpreter')
464    warning('Use of the TCG interpreter is not recommended on this host')
465    warning('architecture. There is a native TCG execution backend available')
466    warning('which provides substantially better performance and reliability.')
467    warning('It is strongly recommended to remove the --enable-tcg-interpreter')
468    warning('configuration option on this architecture to use the native')
469    warning('backend.')
470  endif
471  if get_option('tcg_interpreter')
472    tcg_arch = 'tci'
473    config_host += { 'CONFIG_TCG_INTERPRETER': 'y' }
474  elif host_arch == 'x86_64'
475    tcg_arch = 'i386'
476  elif host_arch == 'ppc64'
477    tcg_arch = 'ppc'
478  endif
479  add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
480                        language: all_languages)
481
482  accelerators += 'CONFIG_TCG'
483  config_host += { 'CONFIG_TCG': 'y' }
484endif
485
486if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
487  error('KVM not available on this platform')
488endif
489if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
490  error('HVF not available on this platform')
491endif
492if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
493  error('NVMM not available on this platform')
494endif
495if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
496  error('WHPX not available on this platform')
497endif
498
499################
500# Dependencies #
501################
502
503# The path to glib.h is added to all compilation commands.  This was
504# grandfathered in from the QEMU Makefiles.
505add_project_arguments(config_host['GLIB_CFLAGS'].split(),
506                      native: false, language: all_languages)
507glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
508                          link_args: config_host['GLIB_LIBS'].split(),
509                          version: config_host['GLIB_VERSION'],
510                          variables: {
511                            'bindir': config_host['GLIB_BINDIR'],
512                          })
513# override glib dep with the configure results (for subprojects)
514meson.override_dependency('glib-2.0', glib)
515
516gio = not_found
517gdbus_codegen = not_found
518gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
519if not get_option('gio').auto() or have_system
520  gio = dependency('gio-2.0', required: get_option('gio'),
521                   method: 'pkg-config', kwargs: static_kwargs)
522  if gio.found() and not cc.links('''
523    #include <gio/gio.h>
524    int main(void)
525    {
526      g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
527      return 0;
528    }''', dependencies: [glib, gio])
529    if get_option('gio').enabled()
530      error('The installed libgio is broken for static linking')
531    endif
532    gio = not_found
533  endif
534  if gio.found()
535    gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
536                                 required: get_option('gio'))
537    gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
538                          method: 'pkg-config', kwargs: static_kwargs)
539    gio = declare_dependency(dependencies: [gio, gio_unix],
540                             version: gio.version())
541  endif
542endif
543if gdbus_codegen.found() and get_option('cfi')
544  gdbus_codegen = not_found
545  gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
546endif
547
548lttng = not_found
549if 'ust' in get_option('trace_backends')
550  lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
551                     method: 'pkg-config', kwargs: static_kwargs)
552endif
553pixman = not_found
554if have_system or have_tools
555  pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
556                      method: 'pkg-config', kwargs: static_kwargs)
557endif
558zlib = dependency('zlib', required: true, kwargs: static_kwargs)
559
560libaio = not_found
561if not get_option('linux_aio').auto() or have_block
562  libaio = cc.find_library('aio', has_headers: ['libaio.h'],
563                           required: get_option('linux_aio'),
564                           kwargs: static_kwargs)
565endif
566
567linux_io_uring_test = '''
568  #include <liburing.h>
569  #include <linux/errqueue.h>
570
571  int main(void) { return 0; }'''
572
573linux_io_uring = not_found
574if not get_option('linux_io_uring').auto() or have_block
575  linux_io_uring = dependency('liburing', version: '>=0.3',
576                              required: get_option('linux_io_uring'),
577                              method: 'pkg-config', kwargs: static_kwargs)
578  if not cc.links(linux_io_uring_test)
579    linux_io_uring = not_found
580  endif
581endif
582
583libnfs = not_found
584if not get_option('libnfs').auto() or have_block
585  libnfs = dependency('libnfs', version: '>=1.9.3',
586                      required: get_option('libnfs'),
587                      method: 'pkg-config', kwargs: static_kwargs)
588endif
589
590libattr_test = '''
591  #include <stddef.h>
592  #include <sys/types.h>
593  #ifdef CONFIG_LIBATTR
594  #include <attr/xattr.h>
595  #else
596  #include <sys/xattr.h>
597  #endif
598  int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
599
600libattr = not_found
601have_old_libattr = false
602if get_option('attr').allowed()
603  if cc.links(libattr_test)
604    libattr = declare_dependency()
605  else
606    libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
607                              required: get_option('attr'),
608                              kwargs: static_kwargs)
609    if libattr.found() and not \
610      cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
611      libattr = not_found
612      if get_option('attr').enabled()
613        error('could not link libattr')
614      else
615        warning('could not link libattr, disabling')
616      endif
617    else
618      have_old_libattr = libattr.found()
619    endif
620  endif
621endif
622
623cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
624                   required: get_option('cocoa'))
625
626vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
627if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
628                                              'VMNET_BRIDGED_MODE',
629                                              dependencies: vmnet)
630  vmnet = not_found
631  if get_option('vmnet').enabled()
632    error('vmnet.framework API is outdated')
633  else
634    warning('vmnet.framework API is outdated, disabling')
635  endif
636endif
637
638seccomp = not_found
639seccomp_has_sysrawrc = false
640if not get_option('seccomp').auto() or have_system or have_tools
641  seccomp = dependency('libseccomp', version: '>=2.3.0',
642                       required: get_option('seccomp'),
643                       method: 'pkg-config', kwargs: static_kwargs)
644  if seccomp.found()
645    seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
646                                                'SCMP_FLTATR_API_SYSRAWRC',
647                                                dependencies: seccomp)
648  endif
649endif
650
651libcap_ng = not_found
652if not get_option('cap_ng').auto() or have_system or have_tools
653  libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
654                              required: get_option('cap_ng'),
655                              kwargs: static_kwargs)
656endif
657if libcap_ng.found() and not cc.links('''
658   #include <cap-ng.h>
659   int main(void)
660   {
661     capng_capability_to_name(CAPNG_EFFECTIVE);
662     return 0;
663   }''', dependencies: libcap_ng)
664  libcap_ng = not_found
665  if get_option('cap_ng').enabled()
666    error('could not link libcap-ng')
667  else
668    warning('could not link libcap-ng, disabling')
669  endif
670endif
671
672if get_option('xkbcommon').auto() and not have_system and not have_tools
673  xkbcommon = not_found
674else
675  xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
676                         method: 'pkg-config', kwargs: static_kwargs)
677endif
678
679slirp = not_found
680if not get_option('slirp').auto() or have_system
681  slirp = dependency('slirp', required: get_option('slirp'),
682                     method: 'pkg-config', kwargs: static_kwargs)
683  # slirp < 4.7 is incompatible with CFI support in QEMU.  This is because
684  # it passes function pointers within libslirp as callbacks for timers.
685  # When using a system-wide shared libslirp, the type information for the
686  # callback is missing and the timer call produces a false positive with CFI.
687  # Do not use the "version" keyword argument to produce a better error.
688  # with control-flow integrity.
689  if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
690    if get_option('slirp').enabled()
691      error('Control-Flow Integrity requires libslirp 4.7.')
692    else
693      warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
694      slirp = not_found
695    endif
696  endif
697endif
698
699vde = not_found
700if not get_option('vde').auto() or have_system or have_tools
701  vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
702                           required: get_option('vde'),
703                           kwargs: static_kwargs)
704endif
705if vde.found() and not cc.links('''
706   #include <libvdeplug.h>
707   int main(void)
708   {
709     struct vde_open_args a = {0, 0, 0};
710     char s[] = "";
711     vde_open(s, s, &a);
712     return 0;
713   }''', dependencies: vde)
714  vde = not_found
715  if get_option('cap_ng').enabled()
716    error('could not link libvdeplug')
717  else
718    warning('could not link libvdeplug, disabling')
719  endif
720endif
721
722pulse = not_found
723if not get_option('pa').auto() or (targetos == 'linux' and have_system)
724  pulse = dependency('libpulse', required: get_option('pa'),
725                     method: 'pkg-config', kwargs: static_kwargs)
726endif
727alsa = not_found
728if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
729  alsa = dependency('alsa', required: get_option('alsa'),
730                    method: 'pkg-config', kwargs: static_kwargs)
731endif
732jack = not_found
733if not get_option('jack').auto() or have_system
734  jack = dependency('jack', required: get_option('jack'),
735                    method: 'pkg-config', kwargs: static_kwargs)
736endif
737sndio = not_found
738if not get_option('sndio').auto() or have_system
739  sndio = dependency('sndio', required: get_option('sndio'),
740                    method: 'pkg-config', kwargs: static_kwargs)
741endif
742
743spice_protocol = not_found
744if not get_option('spice_protocol').auto() or have_system
745  spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
746                              required: get_option('spice_protocol'),
747                              method: 'pkg-config', kwargs: static_kwargs)
748endif
749spice = not_found
750if not get_option('spice').auto() or have_system
751  spice = dependency('spice-server', version: '>=0.14.0',
752                     required: get_option('spice'),
753                     method: 'pkg-config', kwargs: static_kwargs)
754endif
755spice_headers = spice.partial_dependency(compile_args: true, includes: true)
756
757rt = cc.find_library('rt', required: false)
758
759libiscsi = not_found
760if not get_option('libiscsi').auto() or have_block
761  libiscsi = dependency('libiscsi', version: '>=1.9.0',
762                         required: get_option('libiscsi'),
763                         method: 'pkg-config', kwargs: static_kwargs)
764endif
765zstd = not_found
766if not get_option('zstd').auto() or have_block
767  zstd = dependency('libzstd', version: '>=1.4.0',
768                    required: get_option('zstd'),
769                    method: 'pkg-config', kwargs: static_kwargs)
770endif
771virgl = not_found
772
773have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
774if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
775  virgl = dependency('virglrenderer',
776                     method: 'pkg-config',
777                     required: get_option('virglrenderer'),
778                     kwargs: static_kwargs)
779endif
780blkio = not_found
781if not get_option('blkio').auto() or have_block
782  blkio = dependency('blkio',
783                     method: 'pkg-config',
784                     required: get_option('blkio'),
785                     kwargs: static_kwargs)
786endif
787curl = not_found
788if not get_option('curl').auto() or have_block
789  curl = dependency('libcurl', version: '>=7.29.0',
790                    method: 'pkg-config',
791                    required: get_option('curl'),
792                    kwargs: static_kwargs)
793endif
794libudev = not_found
795if targetos == 'linux' and (have_system or have_tools)
796  libudev = dependency('libudev',
797                       method: 'pkg-config',
798                       required: get_option('libudev'),
799                       kwargs: static_kwargs)
800endif
801
802mpathlibs = [libudev]
803mpathpersist = not_found
804mpathpersist_new_api = false
805if targetos == 'linux' and have_tools and get_option('mpath').allowed()
806  mpath_test_source_new = '''
807    #include <libudev.h>
808    #include <mpath_persist.h>
809    unsigned mpath_mx_alloc_len = 1024;
810    int logsink;
811    static struct config *multipath_conf;
812    extern struct udev *udev;
813    extern struct config *get_multipath_config(void);
814    extern void put_multipath_config(struct config *conf);
815    struct udev *udev;
816    struct config *get_multipath_config(void) { return multipath_conf; }
817    void put_multipath_config(struct config *conf) { }
818    int main(void) {
819        udev = udev_new();
820        multipath_conf = mpath_lib_init();
821        return 0;
822    }'''
823  mpath_test_source_old = '''
824      #include <libudev.h>
825      #include <mpath_persist.h>
826      unsigned mpath_mx_alloc_len = 1024;
827      int logsink;
828      int main(void) {
829          struct udev *udev = udev_new();
830          mpath_lib_init(udev);
831          return 0;
832      }'''
833  libmpathpersist = cc.find_library('mpathpersist',
834                                    required: get_option('mpath'),
835                                    kwargs: static_kwargs)
836  if libmpathpersist.found()
837    mpathlibs += libmpathpersist
838    if enable_static
839      mpathlibs += cc.find_library('devmapper',
840                                     required: get_option('mpath'),
841                                     kwargs: static_kwargs)
842    endif
843    mpathlibs += cc.find_library('multipath',
844                                 required: get_option('mpath'),
845                                 kwargs: static_kwargs)
846    foreach lib: mpathlibs
847      if not lib.found()
848        mpathlibs = []
849        break
850      endif
851    endforeach
852    if mpathlibs.length() == 0
853      msg = 'Dependencies missing for libmpathpersist'
854    elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
855      mpathpersist = declare_dependency(dependencies: mpathlibs)
856      mpathpersist_new_api = true
857    elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
858      mpathpersist = declare_dependency(dependencies: mpathlibs)
859    else
860      msg = 'Cannot detect libmpathpersist API'
861    endif
862    if not mpathpersist.found()
863      if get_option('mpath').enabled()
864        error(msg)
865      else
866        warning(msg + ', disabling')
867      endif
868    endif
869  endif
870endif
871
872iconv = not_found
873curses = not_found
874if have_system and get_option('curses').allowed()
875  curses_test = '''
876    #if defined(__APPLE__) || defined(__OpenBSD__)
877    #define _XOPEN_SOURCE_EXTENDED 1
878    #endif
879    #include <locale.h>
880    #include <curses.h>
881    #include <wchar.h>
882    int main(void) {
883      wchar_t wch = L'w';
884      setlocale(LC_ALL, "");
885      resize_term(0, 0);
886      addwstr(L"wide chars\n");
887      addnwstr(&wch, 1);
888      add_wch(WACS_DEGREE);
889      return 0;
890    }'''
891
892  curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
893  curses = dependency(curses_dep_list,
894                      required: false,
895                      method: 'pkg-config',
896                      kwargs: static_kwargs)
897  msg = get_option('curses').enabled() ? 'curses library not found' : ''
898  curses_compile_args = ['-DNCURSES_WIDECHAR=1']
899  if curses.found()
900    if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
901      curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
902    else
903      msg = 'curses package not usable'
904      curses = not_found
905    endif
906  endif
907  if not curses.found()
908    has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
909    if targetos != 'windows' and not has_curses_h
910      message('Trying with /usr/include/ncursesw')
911      curses_compile_args += ['-I/usr/include/ncursesw']
912      has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
913    endif
914    if has_curses_h
915      curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
916      foreach curses_libname : curses_libname_list
917        libcurses = cc.find_library(curses_libname,
918                                    required: false,
919                                    kwargs: static_kwargs)
920        if libcurses.found()
921          if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
922            curses = declare_dependency(compile_args: curses_compile_args,
923                                        dependencies: [libcurses])
924            break
925          else
926            msg = 'curses library not usable'
927          endif
928        endif
929      endforeach
930    endif
931  endif
932  if get_option('iconv').allowed()
933    foreach link_args : [ ['-liconv'], [] ]
934      # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
935      # We need to use libiconv if available because mixing libiconv's headers with
936      # the system libc does not work.
937      # However, without adding glib to the dependencies -L/usr/local/lib will not be
938      # included in the command line and libiconv will not be found.
939      if cc.links('''
940        #include <iconv.h>
941        int main(void) {
942          iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
943          return conv != (iconv_t) -1;
944        }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
945        iconv = declare_dependency(link_args: link_args, dependencies: glib)
946        break
947      endif
948    endforeach
949  endif
950  if curses.found() and not iconv.found()
951    if get_option('iconv').enabled()
952      error('iconv not available')
953    endif
954    msg = 'iconv required for curses UI but not available'
955    curses = not_found
956  endif
957  if not curses.found() and msg != ''
958    if get_option('curses').enabled()
959      error(msg)
960    else
961      warning(msg + ', disabling')
962    endif
963  endif
964endif
965
966brlapi = not_found
967if not get_option('brlapi').auto() or have_system
968  brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
969                         required: get_option('brlapi'),
970                         kwargs: static_kwargs)
971  if brlapi.found() and not cc.links('''
972     #include <brlapi.h>
973     #include <stddef.h>
974     int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
975    brlapi = not_found
976    if get_option('brlapi').enabled()
977      error('could not link brlapi')
978    else
979      warning('could not link brlapi, disabling')
980    endif
981  endif
982endif
983
984sdl = not_found
985if not get_option('sdl').auto() or have_system
986  sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
987  sdl_image = not_found
988endif
989if sdl.found()
990  # work around 2.0.8 bug
991  sdl = declare_dependency(compile_args: '-Wno-undef',
992                           dependencies: sdl)
993  sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
994                         method: 'pkg-config', kwargs: static_kwargs)
995else
996  if get_option('sdl_image').enabled()
997    error('sdl-image required, but SDL was @0@'.format(
998          get_option('sdl').disabled() ? 'disabled' : 'not found'))
999  endif
1000  sdl_image = not_found
1001endif
1002
1003rbd = not_found
1004if not get_option('rbd').auto() or have_block
1005  librados = cc.find_library('rados', required: get_option('rbd'),
1006                             kwargs: static_kwargs)
1007  librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1008                           required: get_option('rbd'),
1009                           kwargs: static_kwargs)
1010  if librados.found() and librbd.found()
1011    if cc.links('''
1012      #include <stdio.h>
1013      #include <rbd/librbd.h>
1014      int main(void) {
1015        rados_t cluster;
1016        rados_create(&cluster, NULL);
1017        #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1018        #error
1019        #endif
1020        return 0;
1021      }''', dependencies: [librbd, librados])
1022      rbd = declare_dependency(dependencies: [librbd, librados])
1023    elif get_option('rbd').enabled()
1024      error('librbd >= 1.12.0 required')
1025    else
1026      warning('librbd >= 1.12.0 not found, disabling')
1027    endif
1028  endif
1029endif
1030
1031glusterfs = not_found
1032glusterfs_ftruncate_has_stat = false
1033glusterfs_iocb_has_stat = false
1034if not get_option('glusterfs').auto() or have_block
1035  glusterfs = dependency('glusterfs-api', version: '>=3',
1036                         required: get_option('glusterfs'),
1037                         method: 'pkg-config', kwargs: static_kwargs)
1038  if glusterfs.found()
1039    glusterfs_ftruncate_has_stat = cc.links('''
1040      #include <glusterfs/api/glfs.h>
1041
1042      int
1043      main(void)
1044      {
1045          /* new glfs_ftruncate() passes two additional args */
1046          return glfs_ftruncate(NULL, 0, NULL, NULL);
1047      }
1048    ''', dependencies: glusterfs)
1049    glusterfs_iocb_has_stat = cc.links('''
1050      #include <glusterfs/api/glfs.h>
1051
1052      /* new glfs_io_cbk() passes two additional glfs_stat structs */
1053      static void
1054      glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1055      {}
1056
1057      int
1058      main(void)
1059      {
1060          glfs_io_cbk iocb = &glusterfs_iocb;
1061          iocb(NULL, 0 , NULL, NULL, NULL);
1062          return 0;
1063      }
1064    ''', dependencies: glusterfs)
1065  endif
1066endif
1067
1068libssh = not_found
1069if not get_option('libssh').auto() or have_block
1070  libssh = dependency('libssh', version: '>=0.8.7',
1071                    method: 'pkg-config',
1072                    required: get_option('libssh'),
1073                    kwargs: static_kwargs)
1074endif
1075
1076libbzip2 = not_found
1077if not get_option('bzip2').auto() or have_block
1078  libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1079                             required: get_option('bzip2'),
1080                             kwargs: static_kwargs)
1081  if libbzip2.found() and not cc.links('''
1082     #include <bzlib.h>
1083     int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1084    libbzip2 = not_found
1085    if get_option('bzip2').enabled()
1086      error('could not link libbzip2')
1087    else
1088      warning('could not link libbzip2, disabling')
1089    endif
1090  endif
1091endif
1092
1093liblzfse = not_found
1094if not get_option('lzfse').auto() or have_block
1095  liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1096                             required: get_option('lzfse'),
1097                             kwargs: static_kwargs)
1098endif
1099if liblzfse.found() and not cc.links('''
1100   #include <lzfse.h>
1101   int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1102  liblzfse = not_found
1103  if get_option('lzfse').enabled()
1104    error('could not link liblzfse')
1105  else
1106    warning('could not link liblzfse, disabling')
1107  endif
1108endif
1109
1110oss = not_found
1111if get_option('oss').allowed() and have_system
1112  if not cc.has_header('sys/soundcard.h')
1113    # not found
1114  elif targetos == 'netbsd'
1115    oss = cc.find_library('ossaudio', required: get_option('oss'),
1116                          kwargs: static_kwargs)
1117  else
1118    oss = declare_dependency()
1119  endif
1120
1121  if not oss.found()
1122    if get_option('oss').enabled()
1123      error('OSS not found')
1124    endif
1125  endif
1126endif
1127dsound = not_found
1128if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1129  if cc.has_header('dsound.h')
1130    dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1131  endif
1132
1133  if not dsound.found()
1134    if get_option('dsound').enabled()
1135      error('DirectSound not found')
1136    endif
1137  endif
1138endif
1139
1140coreaudio = not_found
1141if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1142  coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1143                         required: get_option('coreaudio'))
1144endif
1145
1146opengl = not_found
1147if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1148  epoxy = dependency('epoxy', method: 'pkg-config',
1149                      required: get_option('opengl'), kwargs: static_kwargs)
1150  if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1151    opengl = epoxy
1152  elif get_option('opengl').enabled()
1153    error('epoxy/egl.h not found')
1154  endif
1155endif
1156gbm = not_found
1157if (have_system or have_tools) and (virgl.found() or opengl.found())
1158  gbm = dependency('gbm', method: 'pkg-config', required: false,
1159                   kwargs: static_kwargs)
1160endif
1161have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1162
1163gnutls = not_found
1164gnutls_crypto = not_found
1165if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1166  # For general TLS support our min gnutls matches
1167  # that implied by our platform support matrix
1168  #
1169  # For the crypto backends, we look for a newer
1170  # gnutls:
1171  #
1172  #   Version 3.6.8  is needed to get XTS
1173  #   Version 3.6.13 is needed to get PBKDF
1174  #   Version 3.6.14 is needed to get HW accelerated XTS
1175  #
1176  # If newer enough gnutls isn't available, we can
1177  # still use a different crypto backend to satisfy
1178  # the platform support requirements
1179  gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1180                             method: 'pkg-config',
1181                             required: false,
1182                             kwargs: static_kwargs)
1183  if gnutls_crypto.found()
1184    gnutls = gnutls_crypto
1185  else
1186    # Our min version if all we need is TLS
1187    gnutls = dependency('gnutls', version: '>=3.5.18',
1188                        method: 'pkg-config',
1189                        required: get_option('gnutls'),
1190                        kwargs: static_kwargs)
1191  endif
1192endif
1193
1194# We prefer use of gnutls for crypto, unless the options
1195# explicitly asked for nettle or gcrypt.
1196#
1197# If gnutls isn't available for crypto, then we'll prefer
1198# gcrypt over nettle for performance reasons.
1199gcrypt = not_found
1200nettle = not_found
1201hogweed = not_found
1202xts = 'none'
1203
1204if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1205  error('Only one of gcrypt & nettle can be enabled')
1206endif
1207
1208# Explicit nettle/gcrypt request, so ignore gnutls for crypto
1209if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1210  gnutls_crypto = not_found
1211endif
1212
1213if not gnutls_crypto.found()
1214  if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1215    gcrypt = dependency('libgcrypt', version: '>=1.8',
1216                        method: 'config-tool',
1217                        required: get_option('gcrypt'),
1218                        kwargs: static_kwargs)
1219    # Debian has removed -lgpg-error from libgcrypt-config
1220    # as it "spreads unnecessary dependencies" which in
1221    # turn breaks static builds...
1222    if gcrypt.found() and enable_static
1223      gcrypt = declare_dependency(dependencies: [
1224        gcrypt,
1225        cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1226    endif
1227  endif
1228  if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1229    nettle = dependency('nettle', version: '>=3.4',
1230                        method: 'pkg-config',
1231                        required: get_option('nettle'),
1232                        kwargs: static_kwargs)
1233    if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1234      xts = 'private'
1235    endif
1236  endif
1237endif
1238
1239gmp = dependency('gmp', required: false, method: 'pkg-config', kwargs: static_kwargs)
1240if nettle.found() and gmp.found()
1241  hogweed = dependency('hogweed', version: '>=3.4',
1242                       method: 'pkg-config',
1243                       required: get_option('nettle'),
1244                       kwargs: static_kwargs)
1245endif
1246
1247
1248gtk = not_found
1249gtkx11 = not_found
1250vte = not_found
1251have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1252
1253if not get_option('gtk').auto() or have_system
1254  gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1255                   method: 'pkg-config',
1256                   required: get_option('gtk'),
1257                   kwargs: static_kwargs)
1258  if gtk.found()
1259    gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1260                        method: 'pkg-config',
1261                        required: false,
1262                        kwargs: static_kwargs)
1263    gtk = declare_dependency(dependencies: [gtk, gtkx11])
1264
1265    if not get_option('vte').auto() or have_system
1266      vte = dependency('vte-2.91',
1267                       method: 'pkg-config',
1268                       required: get_option('vte'),
1269                       kwargs: static_kwargs)
1270    endif
1271  elif have_gtk_clipboard
1272    error('GTK clipboard requested, but GTK not found')
1273  endif
1274endif
1275
1276x11 = not_found
1277if gtkx11.found()
1278  x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1279                   kwargs: static_kwargs)
1280endif
1281png = not_found
1282if get_option('png').allowed() and have_system
1283   png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1284                    method: 'pkg-config', kwargs: static_kwargs)
1285endif
1286vnc = not_found
1287jpeg = not_found
1288sasl = not_found
1289if get_option('vnc').allowed() and have_system
1290  vnc = declare_dependency() # dummy dependency
1291  jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1292                    method: 'pkg-config', kwargs: static_kwargs)
1293  sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1294                         required: get_option('vnc_sasl'),
1295                         kwargs: static_kwargs)
1296  if sasl.found()
1297    sasl = declare_dependency(dependencies: sasl,
1298                              compile_args: '-DSTRUCT_IOVEC_DEFINED')
1299  endif
1300endif
1301
1302pam = not_found
1303if not get_option('auth_pam').auto() or have_system
1304  pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1305                        required: get_option('auth_pam'),
1306                        kwargs: static_kwargs)
1307endif
1308if pam.found() and not cc.links('''
1309   #include <stddef.h>
1310   #include <security/pam_appl.h>
1311   int main(void) {
1312     const char *service_name = "qemu";
1313     const char *user = "frank";
1314     const struct pam_conv pam_conv = { 0 };
1315     pam_handle_t *pamh = NULL;
1316     pam_start(service_name, user, &pam_conv, &pamh);
1317     return 0;
1318   }''', dependencies: pam)
1319  pam = not_found
1320  if get_option('auth_pam').enabled()
1321    error('could not link libpam')
1322  else
1323    warning('could not link libpam, disabling')
1324  endif
1325endif
1326
1327snappy = not_found
1328if not get_option('snappy').auto() or have_system
1329  snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1330                           required: get_option('snappy'),
1331                           kwargs: static_kwargs)
1332endif
1333if snappy.found() and not linker.links('''
1334   #include <snappy-c.h>
1335   int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1336  snappy = not_found
1337  if get_option('snappy').enabled()
1338    error('could not link libsnappy')
1339  else
1340    warning('could not link libsnappy, disabling')
1341  endif
1342endif
1343
1344lzo = not_found
1345if not get_option('lzo').auto() or have_system
1346  lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1347                        required: get_option('lzo'),
1348                        kwargs: static_kwargs)
1349endif
1350if lzo.found() and not cc.links('''
1351   #include <lzo/lzo1x.h>
1352   int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1353  lzo = not_found
1354  if get_option('lzo').enabled()
1355    error('could not link liblzo2')
1356  else
1357    warning('could not link liblzo2, disabling')
1358  endif
1359endif
1360
1361numa = not_found
1362if not get_option('numa').auto() or have_system or have_tools
1363  numa = cc.find_library('numa', has_headers: ['numa.h'],
1364                              required: get_option('numa'),
1365                              kwargs: static_kwargs)
1366endif
1367if numa.found() and not cc.links('''
1368   #include <numa.h>
1369   int main(void) { return numa_available(); }
1370   ''', dependencies: numa)
1371  numa = not_found
1372  if get_option('numa').enabled()
1373    error('could not link numa')
1374  else
1375    warning('could not link numa, disabling')
1376  endif
1377endif
1378
1379rdma = not_found
1380if not get_option('rdma').auto() or have_system
1381  libumad = cc.find_library('ibumad', required: get_option('rdma'))
1382  rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1383                               required: get_option('rdma'),
1384                               kwargs: static_kwargs),
1385               cc.find_library('ibverbs', required: get_option('rdma'),
1386                               kwargs: static_kwargs),
1387               libumad]
1388  rdma = declare_dependency(dependencies: rdma_libs)
1389  foreach lib: rdma_libs
1390    if not lib.found()
1391      rdma = not_found
1392    endif
1393  endforeach
1394endif
1395
1396xen = not_found
1397if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1398  xencontrol = dependency('xencontrol', required: false,
1399                          method: 'pkg-config', kwargs: static_kwargs)
1400  if xencontrol.found()
1401    xen_pc = declare_dependency(version: xencontrol.version(),
1402      dependencies: [
1403        xencontrol,
1404        # disabler: true makes xen_pc.found() return false if any is not found
1405        dependency('xenstore', required: false,
1406                   method: 'pkg-config', kwargs: static_kwargs,
1407                   disabler: true),
1408        dependency('xenforeignmemory', required: false,
1409                   method: 'pkg-config', kwargs: static_kwargs,
1410                   disabler: true),
1411        dependency('xengnttab', required: false,
1412                   method: 'pkg-config', kwargs: static_kwargs,
1413                   disabler: true),
1414        dependency('xenevtchn', required: false,
1415                   method: 'pkg-config', kwargs: static_kwargs,
1416                   disabler: true),
1417        dependency('xendevicemodel', required: false,
1418                   method: 'pkg-config', kwargs: static_kwargs,
1419                   disabler: true),
1420        # optional, no "disabler: true"
1421        dependency('xentoolcore', required: false,
1422                   method: 'pkg-config', kwargs: static_kwargs)])
1423    if xen_pc.found()
1424      xen = xen_pc
1425    endif
1426  endif
1427  if not xen.found()
1428    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' ]
1429    xen_libs = {
1430      '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1431      '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1432      '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1433      '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1434      '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1435      '4.6.0': [ 'xenstore', 'xenctrl' ],
1436      '4.5.0': [ 'xenstore', 'xenctrl' ],
1437      '4.2.0': [ 'xenstore', 'xenctrl' ],
1438    }
1439    xen_deps = {}
1440    foreach ver: xen_tests
1441      # cache the various library tests to avoid polluting the logs
1442      xen_test_deps = []
1443      foreach l: xen_libs[ver]
1444        if l not in xen_deps
1445          xen_deps += { l: cc.find_library(l, required: false) }
1446        endif
1447        xen_test_deps += xen_deps[l]
1448      endforeach
1449
1450      # Use -D to pick just one of the test programs in scripts/xen-detect.c
1451      xen_version = ver.split('.')
1452      xen_ctrl_version = xen_version[0] + \
1453        ('0' + xen_version[1]).substring(-2) + \
1454        ('0' + xen_version[2]).substring(-2)
1455      if cc.links(files('scripts/xen-detect.c'),
1456                  args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1457                  dependencies: xen_test_deps)
1458        xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1459        break
1460      endif
1461    endforeach
1462  endif
1463  if xen.found()
1464    accelerators += 'CONFIG_XEN'
1465  elif get_option('xen').enabled()
1466    error('could not compile and link Xen test program')
1467  endif
1468endif
1469have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1470  .require(xen.found(),
1471           error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1472  .require(targetos == 'linux',
1473           error_message: 'Xen PCI passthrough not available on this platform') \
1474  .allowed()
1475
1476
1477cacard = not_found
1478if not get_option('smartcard').auto() or have_system
1479  cacard = dependency('libcacard', required: get_option('smartcard'),
1480                      version: '>=2.5.1', method: 'pkg-config',
1481                      kwargs: static_kwargs)
1482endif
1483u2f = not_found
1484if have_system
1485  u2f = dependency('u2f-emu', required: get_option('u2f'),
1486                   method: 'pkg-config',
1487                   kwargs: static_kwargs)
1488endif
1489canokey = not_found
1490if have_system
1491  canokey = dependency('canokey-qemu', required: get_option('canokey'),
1492                   method: 'pkg-config',
1493                   kwargs: static_kwargs)
1494endif
1495usbredir = not_found
1496if not get_option('usb_redir').auto() or have_system
1497  usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1498                        version: '>=0.6', method: 'pkg-config',
1499                        kwargs: static_kwargs)
1500endif
1501libusb = not_found
1502if not get_option('libusb').auto() or have_system
1503  libusb = dependency('libusb-1.0', required: get_option('libusb'),
1504                      version: '>=1.0.13', method: 'pkg-config',
1505                      kwargs: static_kwargs)
1506endif
1507
1508libpmem = not_found
1509if not get_option('libpmem').auto() or have_system
1510  libpmem = dependency('libpmem', required: get_option('libpmem'),
1511                       method: 'pkg-config', kwargs: static_kwargs)
1512endif
1513libdaxctl = not_found
1514if not get_option('libdaxctl').auto() or have_system
1515  libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1516                         version: '>=57', method: 'pkg-config',
1517                         kwargs: static_kwargs)
1518endif
1519tasn1 = not_found
1520if gnutls.found()
1521  tasn1 = dependency('libtasn1',
1522                     method: 'pkg-config',
1523                     kwargs: static_kwargs)
1524endif
1525keyutils = dependency('libkeyutils', required: false,
1526                      method: 'pkg-config', kwargs: static_kwargs)
1527
1528has_gettid = cc.has_function('gettid')
1529
1530# libselinux
1531selinux = dependency('libselinux',
1532                     required: get_option('selinux'),
1533                     method: 'pkg-config', kwargs: static_kwargs)
1534
1535# Malloc tests
1536
1537malloc = []
1538if get_option('malloc') == 'system'
1539  has_malloc_trim = \
1540    get_option('malloc_trim').allowed() and \
1541    cc.links('''#include <malloc.h>
1542                int main(void) { malloc_trim(0); return 0; }''')
1543else
1544  has_malloc_trim = false
1545  malloc = cc.find_library(get_option('malloc'), required: true)
1546endif
1547if not has_malloc_trim and get_option('malloc_trim').enabled()
1548  if get_option('malloc') == 'system'
1549    error('malloc_trim not available on this platform.')
1550  else
1551    error('malloc_trim not available with non-libc memory allocator')
1552  endif
1553endif
1554
1555# Check whether the glibc provides statx()
1556
1557gnu_source_prefix = '''
1558  #ifndef _GNU_SOURCE
1559  #define _GNU_SOURCE
1560  #endif
1561'''
1562statx_test = gnu_source_prefix + '''
1563  #include <sys/stat.h>
1564  int main(void) {
1565    struct statx statxbuf;
1566    statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1567    return 0;
1568  }'''
1569
1570has_statx = cc.links(statx_test)
1571
1572# Check whether statx() provides mount ID information
1573
1574statx_mnt_id_test = gnu_source_prefix + '''
1575  #include <sys/stat.h>
1576  int main(void) {
1577    struct statx statxbuf;
1578    statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1579    return statxbuf.stx_mnt_id;
1580  }'''
1581
1582has_statx_mnt_id = cc.links(statx_mnt_id_test)
1583
1584have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1585  .require(targetos == 'linux',
1586           error_message: 'vhost_user_blk_server requires linux') \
1587  .require(have_vhost_user,
1588           error_message: 'vhost_user_blk_server requires vhost-user support') \
1589  .disable_auto_if(not have_tools and not have_system) \
1590  .allowed()
1591
1592if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1593  error('Cannot enable fuse-lseek while fuse is disabled')
1594endif
1595
1596fuse = dependency('fuse3', required: get_option('fuse'),
1597                  version: '>=3.1', method: 'pkg-config',
1598                  kwargs: static_kwargs)
1599
1600fuse_lseek = not_found
1601if get_option('fuse_lseek').allowed()
1602  if fuse.version().version_compare('>=3.8')
1603    # Dummy dependency
1604    fuse_lseek = declare_dependency()
1605  elif get_option('fuse_lseek').enabled()
1606    if fuse.found()
1607      error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1608    else
1609      error('fuse-lseek requires libfuse, which was not found')
1610    endif
1611  endif
1612endif
1613
1614have_libvduse = (targetos == 'linux')
1615if get_option('libvduse').enabled()
1616    if targetos != 'linux'
1617        error('libvduse requires linux')
1618    endif
1619elif get_option('libvduse').disabled()
1620    have_libvduse = false
1621endif
1622
1623have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1624if get_option('vduse_blk_export').enabled()
1625    if targetos != 'linux'
1626        error('vduse_blk_export requires linux')
1627    elif not have_libvduse
1628        error('vduse_blk_export requires libvduse support')
1629    endif
1630elif get_option('vduse_blk_export').disabled()
1631    have_vduse_blk_export = false
1632endif
1633
1634# libbpf
1635libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1636if libbpf.found() and not cc.links('''
1637   #include <bpf/libbpf.h>
1638   int main(void)
1639   {
1640     bpf_object__destroy_skeleton(NULL);
1641     return 0;
1642   }''', dependencies: libbpf)
1643  libbpf = not_found
1644  if get_option('bpf').enabled()
1645    error('libbpf skeleton test failed')
1646  else
1647    warning('libbpf skeleton test failed, disabling')
1648  endif
1649endif
1650
1651# libdw
1652libdw = dependency('libdw',
1653                   method: 'pkg-config',
1654                   kwargs: static_kwargs,
1655                   required: false)
1656
1657#################
1658# config-host.h #
1659#################
1660
1661audio_drivers_selected = []
1662if have_system
1663  audio_drivers_available = {
1664    'alsa': alsa.found(),
1665    'coreaudio': coreaudio.found(),
1666    'dsound': dsound.found(),
1667    'jack': jack.found(),
1668    'oss': oss.found(),
1669    'pa': pulse.found(),
1670    'sdl': sdl.found(),
1671    'sndio': sndio.found(),
1672  }
1673  foreach k, v: audio_drivers_available
1674    config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1675  endforeach
1676
1677  # Default to native drivers first, OSS second, SDL third
1678  audio_drivers_priority = \
1679    [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1680    (targetos == 'linux' ? [] : [ 'sdl' ])
1681  audio_drivers_default = []
1682  foreach k: audio_drivers_priority
1683    if audio_drivers_available[k]
1684      audio_drivers_default += k
1685    endif
1686  endforeach
1687
1688  foreach k: get_option('audio_drv_list')
1689    if k == 'default'
1690      audio_drivers_selected += audio_drivers_default
1691    elif not audio_drivers_available[k]
1692      error('Audio driver "@0@" not available.'.format(k))
1693    else
1694      audio_drivers_selected += k
1695    endif
1696  endforeach
1697endif
1698config_host_data.set('CONFIG_AUDIO_DRIVERS',
1699                     '"' + '", "'.join(audio_drivers_selected) + '", ')
1700
1701if get_option('cfi')
1702  cfi_flags=[]
1703  # Check for dependency on LTO
1704  if not get_option('b_lto')
1705    error('Selected Control-Flow Integrity but LTO is disabled')
1706  endif
1707  if config_host.has_key('CONFIG_MODULES')
1708    error('Selected Control-Flow Integrity is not compatible with modules')
1709  endif
1710  # Check for cfi flags. CFI requires LTO so we can't use
1711  # get_supported_arguments, but need a more complex "compiles" which allows
1712  # custom arguments
1713  if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1714                 args: ['-flto', '-fsanitize=cfi-icall'] )
1715    cfi_flags += '-fsanitize=cfi-icall'
1716  else
1717    error('-fsanitize=cfi-icall is not supported by the compiler')
1718  endif
1719  if cc.compiles('int main () { return 0; }',
1720                 name: '-fsanitize-cfi-icall-generalize-pointers',
1721                 args: ['-flto', '-fsanitize=cfi-icall',
1722                        '-fsanitize-cfi-icall-generalize-pointers'] )
1723    cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1724  else
1725    error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1726  endif
1727  if get_option('cfi_debug')
1728    if cc.compiles('int main () { return 0; }',
1729                   name: '-fno-sanitize-trap=cfi-icall',
1730                   args: ['-flto', '-fsanitize=cfi-icall',
1731                          '-fno-sanitize-trap=cfi-icall'] )
1732      cfi_flags += '-fno-sanitize-trap=cfi-icall'
1733    else
1734      error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1735    endif
1736  endif
1737  add_global_arguments(cfi_flags, native: false, language: all_languages)
1738  add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1739endif
1740
1741have_host_block_device = (targetos != 'darwin' or
1742    cc.has_header('IOKit/storage/IOMedia.h'))
1743
1744dbus_display = get_option('dbus_display') \
1745  .require(gio.version().version_compare('>=2.64'),
1746           error_message: '-display dbus requires glib>=2.64') \
1747  .require(gdbus_codegen.found(),
1748           error_message: gdbus_codegen_error.format('-display dbus')) \
1749  .require(opengl.found() and gbm.found(),
1750           error_message: '-display dbus requires epoxy/egl and gbm') \
1751  .allowed()
1752
1753have_virtfs = get_option('virtfs') \
1754    .require(targetos == 'linux' or targetos == 'darwin',
1755             error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1756    .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1757             error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1758    .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1759             error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1760    .disable_auto_if(not have_tools and not have_system) \
1761    .allowed()
1762
1763have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1764
1765if get_option('block_drv_ro_whitelist') == ''
1766  config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1767else
1768  config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1769        '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1770endif
1771if get_option('block_drv_rw_whitelist') == ''
1772  config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1773else
1774  config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1775        '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1776endif
1777
1778foreach k : get_option('trace_backends')
1779  config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1780endforeach
1781config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1782config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1783if iasl.found()
1784  config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1785endif
1786config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1787config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1788config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1789config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1790config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1791
1792qemu_firmwarepath = ''
1793foreach k : get_option('qemu_firmwarepath')
1794  qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
1795endforeach
1796config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
1797
1798config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1799config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1800config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1801config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1802config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1803config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1804
1805if config_host.has_key('CONFIG_MODULES')
1806  config_host_data.set('CONFIG_STAMP', run_command(
1807      meson.current_source_dir() / 'scripts/qemu-stamp.py',
1808      meson.project_version(), get_option('pkgversion'), '--',
1809      meson.current_source_dir() / 'configure',
1810      capture: true, check: true).stdout().strip())
1811endif
1812
1813have_slirp_smbd = get_option('slirp_smbd') \
1814  .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1815  .allowed()
1816if have_slirp_smbd
1817  smbd_path = get_option('smbd')
1818  if smbd_path == ''
1819    smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1820  endif
1821  config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1822endif
1823
1824config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1825
1826if get_option('module_upgrades') and not enable_modules
1827  error('Cannot enable module-upgrades as modules are not enabled')
1828endif
1829config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1830
1831config_host_data.set('CONFIG_ATTR', libattr.found())
1832config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1833config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1834config_host_data.set('CONFIG_COCOA', cocoa.found())
1835config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1836config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1837config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1838config_host_data.set('CONFIG_LZO', lzo.found())
1839config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1840config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1841config_host_data.set('CONFIG_BLKIO', blkio.found())
1842config_host_data.set('CONFIG_CURL', curl.found())
1843config_host_data.set('CONFIG_CURSES', curses.found())
1844config_host_data.set('CONFIG_GBM', gbm.found())
1845config_host_data.set('CONFIG_GIO', gio.found())
1846config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1847if glusterfs.found()
1848  config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1849  config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1850  config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1851  config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1852  config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1853  config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1854endif
1855config_host_data.set('CONFIG_GTK', gtk.found())
1856config_host_data.set('CONFIG_VTE', vte.found())
1857config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
1858config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1859config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1860config_host_data.set('CONFIG_EBPF', libbpf.found())
1861config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1862config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1863config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1864config_host_data.set('CONFIG_LIBSSH', libssh.found())
1865config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1866config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1867config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1868config_host_data.set('CONFIG_NUMA', numa.found())
1869if numa.found()
1870  config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
1871                       cc.has_function('numa_has_preferred_many',
1872                                       dependencies: numa))
1873endif
1874config_host_data.set('CONFIG_OPENGL', opengl.found())
1875config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1876config_host_data.set('CONFIG_RBD', rbd.found())
1877config_host_data.set('CONFIG_RDMA', rdma.found())
1878config_host_data.set('CONFIG_SDL', sdl.found())
1879config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1880config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1881if seccomp.found()
1882  config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
1883endif
1884config_host_data.set('CONFIG_SNAPPY', snappy.found())
1885config_host_data.set('CONFIG_TPM', have_tpm)
1886config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1887config_host_data.set('CONFIG_VDE', vde.found())
1888config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1889config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1890config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1891config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1892config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1893config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1894config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1895config_host_data.set('CONFIG_VMNET', vmnet.found())
1896config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1897config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
1898config_host_data.set('CONFIG_PNG', png.found())
1899config_host_data.set('CONFIG_VNC', vnc.found())
1900config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1901config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1902config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1903config_host_data.set('CONFIG_VTE', vte.found())
1904config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1905config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1906config_host_data.set('CONFIG_GETTID', has_gettid)
1907config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1908config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1909config_host_data.set('CONFIG_TASN1', tasn1.found())
1910config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1911config_host_data.set('CONFIG_NETTLE', nettle.found())
1912config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1913config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1914config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1915config_host_data.set('CONFIG_STATX', has_statx)
1916config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1917config_host_data.set('CONFIG_ZSTD', zstd.found())
1918config_host_data.set('CONFIG_FUSE', fuse.found())
1919config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1920config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1921if spice_protocol.found()
1922config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1923config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1924config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1925endif
1926config_host_data.set('CONFIG_SPICE', spice.found())
1927config_host_data.set('CONFIG_X11', x11.found())
1928config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1929config_host_data.set('CONFIG_CFI', get_option('cfi'))
1930config_host_data.set('CONFIG_SELINUX', selinux.found())
1931config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1932config_host_data.set('CONFIG_LIBDW', libdw.found())
1933if xen.found()
1934  # protect from xen.version() having less than three components
1935  xen_version = xen.version().split('.') + ['0', '0']
1936  xen_ctrl_version = xen_version[0] + \
1937    ('0' + xen_version[1]).substring(-2) + \
1938    ('0' + xen_version[2]).substring(-2)
1939  config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1940endif
1941config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1942config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1943config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1944config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1945
1946config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1947config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1948
1949have_coroutine_pool = get_option('coroutine_pool')
1950if get_option('debug_stack_usage') and have_coroutine_pool
1951  message('Disabling coroutine pool to measure stack usage')
1952  have_coroutine_pool = false
1953endif
1954config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1955config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1956config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1957config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1958config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1959config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1960config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
1961
1962# has_header
1963config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1964config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1965config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1966config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1967config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1968config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1969config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1970config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1971config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1972if targetos == 'windows'
1973  config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
1974endif
1975
1976# has_function
1977config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
1978config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1979config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1980config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1981config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1982config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1983# Note that we need to specify prefix: here to avoid incorrectly
1984# thinking that Windows has posix_memalign()
1985config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1986config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1987config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1988config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1989config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1990config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1991config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1992config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1993config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1994config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1995config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1996config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1997config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1998config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1999config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2000config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2001config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2002if rbd.found()
2003  config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2004                       cc.has_function('rbd_namespace_exists',
2005                                       dependencies: rbd,
2006                                       prefix: '#include <rbd/librbd.h>'))
2007endif
2008if rdma.found()
2009  config_host_data.set('HAVE_IBV_ADVISE_MR',
2010                       cc.has_function('ibv_advise_mr',
2011                                       dependencies: rdma,
2012                                       prefix: '#include <infiniband/verbs.h>'))
2013endif
2014
2015# has_header_symbol
2016config_host_data.set('CONFIG_BYTESWAP_H',
2017                     cc.has_header_symbol('byteswap.h', 'bswap_32'))
2018config_host_data.set('CONFIG_EPOLL_CREATE1',
2019                     cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2020config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2021                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2022                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2023config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2024                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2025config_host_data.set('CONFIG_FIEMAP',
2026                     cc.has_header('linux/fiemap.h') and
2027                     cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2028config_host_data.set('CONFIG_GETRANDOM',
2029                     cc.has_function('getrandom') and
2030                     cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2031config_host_data.set('CONFIG_INOTIFY',
2032                     cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2033config_host_data.set('CONFIG_INOTIFY1',
2034                     cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2035config_host_data.set('CONFIG_MACHINE_BSWAP_H',
2036                     cc.has_header_symbol('machine/bswap.h', 'bswap32',
2037                                          prefix: '''#include <sys/endian.h>
2038                                                     #include <sys/types.h>'''))
2039config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2040                     cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2041config_host_data.set('CONFIG_RTNETLINK',
2042                     cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2043config_host_data.set('CONFIG_SYSMACROS',
2044                     cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2045config_host_data.set('HAVE_OPTRESET',
2046                     cc.has_header_symbol('getopt.h', 'optreset'))
2047config_host_data.set('HAVE_IPPROTO_MPTCP',
2048                     cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2049
2050# has_member
2051config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2052                     cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2053                                   prefix: '#include <signal.h>'))
2054config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2055                     cc.has_member('struct stat', 'st_atim',
2056                                   prefix: '#include <sys/stat.h>'))
2057
2058# has_type
2059config_host_data.set('CONFIG_IOVEC',
2060                     cc.has_type('struct iovec',
2061                                 prefix: '#include <sys/uio.h>'))
2062config_host_data.set('HAVE_UTMPX',
2063                     cc.has_type('struct utmpx',
2064                                 prefix: '#include <utmpx.h>'))
2065
2066config_host_data.set('CONFIG_EVENTFD', cc.links('''
2067  #include <sys/eventfd.h>
2068  int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2069config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2070  #include <unistd.h>
2071  int main(void) {
2072  #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2073  return fdatasync(0);
2074  #else
2075  #error Not supported
2076  #endif
2077  }'''))
2078
2079has_madvise = cc.links(gnu_source_prefix + '''
2080  #include <sys/types.h>
2081  #include <sys/mman.h>
2082  #include <stddef.h>
2083  int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2084missing_madvise_proto = false
2085if has_madvise
2086  # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2087  # but forget to prototype it. In this case, has_madvise will be true (the
2088  # test program links despite a compile warning). To detect the
2089  # missing-prototype case, we try again with a definitely-bogus prototype.
2090  # This will only compile if the system headers don't provide the prototype;
2091  # otherwise the conflicting prototypes will cause a compiler error.
2092  missing_madvise_proto = cc.links(gnu_source_prefix + '''
2093    #include <sys/types.h>
2094    #include <sys/mman.h>
2095    #include <stddef.h>
2096    extern int madvise(int);
2097    int main(void) { return madvise(0); }''')
2098endif
2099config_host_data.set('CONFIG_MADVISE', has_madvise)
2100config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2101
2102config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2103  #include <sys/mman.h>
2104  int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2105config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2106  #include <fcntl.h>
2107  #if !defined(AT_EMPTY_PATH)
2108  # error missing definition
2109  #else
2110  int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2111  #endif'''))
2112config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2113  #include <sys/mman.h>
2114  #include <stddef.h>
2115  int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2116
2117config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2118  #include <pthread.h>
2119
2120  static void *f(void *p) { return NULL; }
2121  int main(void)
2122  {
2123    pthread_t thread;
2124    pthread_create(&thread, 0, f, 0);
2125    pthread_setname_np(thread, "QEMU");
2126    return 0;
2127  }''', dependencies: threads))
2128config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2129  #include <pthread.h>
2130
2131  static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2132  int main(void)
2133  {
2134    pthread_t thread;
2135    pthread_create(&thread, 0, f, 0);
2136    return 0;
2137  }''', dependencies: threads))
2138config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2139  #include <pthread.h>
2140  #include <time.h>
2141
2142  int main(void)
2143  {
2144    pthread_condattr_t attr
2145    pthread_condattr_init(&attr);
2146    pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2147    return 0;
2148  }''', dependencies: threads))
2149config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2150  #include <pthread.h>
2151
2152  static void *f(void *p) { return NULL; }
2153  int main(void)
2154  {
2155    int setsize = CPU_ALLOC_SIZE(64);
2156    pthread_t thread;
2157    cpu_set_t *cpuset;
2158    pthread_create(&thread, 0, f, 0);
2159    cpuset = CPU_ALLOC(64);
2160    CPU_ZERO_S(setsize, cpuset);
2161    pthread_setaffinity_np(thread, setsize, cpuset);
2162    pthread_getaffinity_np(thread, setsize, cpuset);
2163    CPU_FREE(cpuset);
2164    return 0;
2165  }''', dependencies: threads))
2166config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2167  #include <sys/signalfd.h>
2168  #include <stddef.h>
2169  int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2170config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2171  #include <unistd.h>
2172  #include <fcntl.h>
2173  #include <limits.h>
2174
2175  int main(void)
2176  {
2177    int len, fd = 0;
2178    len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2179    splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2180    return 0;
2181  }'''))
2182
2183config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2184  #include <sys/mman.h>
2185  int main(void) {
2186    return mlockall(MCL_FUTURE);
2187  }'''))
2188
2189have_l2tpv3 = false
2190if get_option('l2tpv3').allowed() and have_system
2191  have_l2tpv3 = cc.has_type('struct mmsghdr',
2192    prefix: gnu_source_prefix + '''
2193      #include <sys/socket.h>
2194      #include <linux/ip.h>''')
2195endif
2196config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2197
2198have_netmap = false
2199if get_option('netmap').allowed() and have_system
2200  have_netmap = cc.compiles('''
2201    #include <inttypes.h>
2202    #include <net/if.h>
2203    #include <net/netmap.h>
2204    #include <net/netmap_user.h>
2205    #if (NETMAP_API < 11) || (NETMAP_API > 15)
2206    #error
2207    #endif
2208    int main(void) { return 0; }''')
2209  if not have_netmap and get_option('netmap').enabled()
2210    error('Netmap headers not available')
2211  endif
2212endif
2213config_host_data.set('CONFIG_NETMAP', have_netmap)
2214
2215# Work around a system header bug with some kernel/XFS header
2216# versions where they both try to define 'struct fsxattr':
2217# xfs headers will not try to redefine structs from linux headers
2218# if this macro is set.
2219config_host_data.set('HAVE_FSXATTR', cc.links('''
2220  #include <linux/fs.h>
2221  struct fsxattr foo;
2222  int main(void) {
2223    return 0;
2224  }'''))
2225
2226# Some versions of Mac OS X incorrectly define SIZE_MAX
2227config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2228    #include <stdint.h>
2229    #include <stdio.h>
2230    int main(void) {
2231        return printf("%zu", SIZE_MAX);
2232    }''', args: ['-Werror']))
2233
2234atomic_test = '''
2235  #include <stdint.h>
2236  int main(void)
2237  {
2238    @0@ x = 0, y = 0;
2239    y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2240    __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2241    __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2242    __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2243    __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2244    return 0;
2245  }'''
2246
2247# See if 64-bit atomic operations are supported.
2248# Note that without __atomic builtins, we can only
2249# assume atomic loads/stores max at pointer size.
2250config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2251
2252has_int128 = cc.links('''
2253  __int128_t a;
2254  __uint128_t b;
2255  int main (void) {
2256    a = a + b;
2257    b = a * b;
2258    a = a * a;
2259    return 0;
2260  }''')
2261
2262config_host_data.set('CONFIG_INT128', has_int128)
2263
2264if has_int128
2265  # "do we have 128-bit atomics which are handled inline and specifically not
2266  # via libatomic". The reason we can't use libatomic is documented in the
2267  # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2268  has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2269
2270  config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2271
2272  if not has_atomic128
2273    has_cmpxchg128 = cc.links('''
2274      int main(void)
2275      {
2276        unsigned __int128 x = 0, y = 0;
2277        __sync_val_compare_and_swap_16(&x, y, x);
2278        return 0;
2279      }
2280    ''')
2281
2282    config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2283  endif
2284endif
2285
2286config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2287  #include <sys/auxv.h>
2288  int main(void) {
2289    return getauxval(AT_HWCAP) == 0;
2290  }'''))
2291
2292config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2293  #include <linux/usbdevice_fs.h>
2294
2295  #ifndef USBDEVFS_GET_CAPABILITIES
2296  #error "USBDEVFS_GET_CAPABILITIES undefined"
2297  #endif
2298
2299  #ifndef USBDEVFS_DISCONNECT_CLAIM
2300  #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2301  #endif
2302
2303  int main(void) { return 0; }'''))
2304
2305have_keyring = get_option('keyring') \
2306  .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2307  .require(cc.compiles('''
2308    #include <errno.h>
2309    #include <asm/unistd.h>
2310    #include <linux/keyctl.h>
2311    #include <sys/syscall.h>
2312    #include <unistd.h>
2313    int main(void) {
2314        return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2315    }'''), error_message: 'keyctl syscall not available on this system').allowed()
2316config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2317
2318have_cpuid_h = cc.links('''
2319  #include <cpuid.h>
2320  int main(void) {
2321    unsigned a, b, c, d;
2322    unsigned max = __get_cpuid_max(0, 0);
2323
2324    if (max >= 1) {
2325        __cpuid(1, a, b, c, d);
2326    }
2327
2328    if (max >= 7) {
2329        __cpuid_count(7, 0, a, b, c, d);
2330    }
2331
2332    return 0;
2333  }''')
2334config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2335
2336config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2337  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2338  .require(cc.links('''
2339    #include <cpuid.h>
2340    #include <immintrin.h>
2341    static int __attribute__((target("avx2"))) bar(void *a) {
2342      __m256i x = *(__m256i *)a;
2343      return _mm256_testz_si256(x, x);
2344    }
2345    int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2346  '''), error_message: 'AVX2 not available').allowed())
2347
2348config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2349  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2350  .require(cc.links('''
2351    #include <cpuid.h>
2352    #include <immintrin.h>
2353    static int __attribute__((target("avx512f"))) bar(void *a) {
2354      __m512i x = *(__m512i *)a;
2355      return _mm512_test_epi64_mask(x, x);
2356    }
2357    int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2358  '''), error_message: 'AVX512F not available').allowed())
2359
2360have_pvrdma = get_option('pvrdma') \
2361  .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2362  .require(cc.compiles(gnu_source_prefix + '''
2363    #include <sys/mman.h>
2364    int main(void)
2365    {
2366      char buf = 0;
2367      void *addr = &buf;
2368      addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2369
2370      return 0;
2371    }'''), error_message: 'PVRDMA requires mremap').allowed()
2372
2373if have_pvrdma
2374  config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2375    #include <infiniband/verbs.h>
2376    int main(void)
2377    {
2378      struct ibv_mr *mr;
2379      struct ibv_pd *pd = NULL;
2380      size_t length = 10;
2381      uint64_t iova = 0;
2382      int access = 0;
2383      void *addr = NULL;
2384
2385      mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2386      ibv_dereg_mr(mr);
2387      return 0;
2388    }'''))
2389endif
2390
2391if get_option('membarrier').disabled()
2392  have_membarrier = false
2393elif targetos == 'windows'
2394  have_membarrier = true
2395elif targetos == 'linux'
2396  have_membarrier = cc.compiles('''
2397    #include <linux/membarrier.h>
2398    #include <sys/syscall.h>
2399    #include <unistd.h>
2400    #include <stdlib.h>
2401    int main(void) {
2402        syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2403        syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2404        exit(0);
2405    }''')
2406endif
2407config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2408  .require(have_membarrier, error_message: 'membarrier system call not available') \
2409  .allowed())
2410
2411have_afalg = get_option('crypto_afalg') \
2412  .require(cc.compiles(gnu_source_prefix + '''
2413    #include <errno.h>
2414    #include <sys/types.h>
2415    #include <sys/socket.h>
2416    #include <linux/if_alg.h>
2417    int main(void) {
2418      int sock;
2419      sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2420      return sock;
2421    }
2422  '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2423config_host_data.set('CONFIG_AF_ALG', have_afalg)
2424
2425config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2426  'linux/vm_sockets.h', 'AF_VSOCK',
2427  prefix: '#include <sys/socket.h>',
2428))
2429
2430have_vss = false
2431have_vss_sdk = false # old xp/2003 SDK
2432if targetos == 'windows' and link_language == 'cpp'
2433  have_vss = cxx.compiles('''
2434    #define __MIDL_user_allocate_free_DEFINED__
2435    #include <vss.h>
2436    int main(void) { return VSS_CTX_BACKUP; }''')
2437  have_vss_sdk = cxx.has_header('vscoordint.h')
2438endif
2439config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2440
2441foreach k, v: config_host
2442  if k.startswith('CONFIG_')
2443    config_host_data.set(k, v == 'y' ? 1 : v)
2444  endif
2445endforeach
2446
2447# Older versions of MinGW do not import _lock_file and _unlock_file properly.
2448# This was fixed for v6.0.0 with commit b48e3ac8969d.
2449if targetos == 'windows'
2450  config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2451    #include <stdio.h>
2452    int main(void) {
2453      _lock_file(NULL);
2454      _unlock_file(NULL);
2455      return 0;
2456    }''', name: '_lock_file and _unlock_file'))
2457endif
2458
2459########################
2460# Target configuration #
2461########################
2462
2463minikconf = find_program('scripts/minikconf.py')
2464config_all = {}
2465config_all_devices = {}
2466config_all_disas = {}
2467config_devices_mak_list = []
2468config_devices_h = {}
2469config_target_h = {}
2470config_target_mak = {}
2471
2472disassemblers = {
2473  'alpha' : ['CONFIG_ALPHA_DIS'],
2474  'avr' : ['CONFIG_AVR_DIS'],
2475  'cris' : ['CONFIG_CRIS_DIS'],
2476  'hexagon' : ['CONFIG_HEXAGON_DIS'],
2477  'hppa' : ['CONFIG_HPPA_DIS'],
2478  'i386' : ['CONFIG_I386_DIS'],
2479  'x86_64' : ['CONFIG_I386_DIS'],
2480  'm68k' : ['CONFIG_M68K_DIS'],
2481  'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2482  'mips' : ['CONFIG_MIPS_DIS'],
2483  'nios2' : ['CONFIG_NIOS2_DIS'],
2484  'or1k' : ['CONFIG_OPENRISC_DIS'],
2485  'ppc' : ['CONFIG_PPC_DIS'],
2486  'riscv' : ['CONFIG_RISCV_DIS'],
2487  'rx' : ['CONFIG_RX_DIS'],
2488  's390' : ['CONFIG_S390_DIS'],
2489  'sh4' : ['CONFIG_SH4_DIS'],
2490  'sparc' : ['CONFIG_SPARC_DIS'],
2491  'xtensa' : ['CONFIG_XTENSA_DIS'],
2492  'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2493}
2494
2495have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2496host_kconfig = \
2497  (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2498  (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2499  (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2500  (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2501  (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2502  (x11.found() ? ['CONFIG_X11=y'] : []) + \
2503  (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2504  (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2505  (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2506  (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2507  ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2508  (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2509  (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2510  (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2511
2512ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2513
2514default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2515actual_target_dirs = []
2516fdt_required = []
2517foreach target : target_dirs
2518  config_target = { 'TARGET_NAME': target.split('-')[0] }
2519  if target.endswith('linux-user')
2520    if targetos != 'linux'
2521      if default_targets
2522        continue
2523      endif
2524      error('Target @0@ is only available on a Linux host'.format(target))
2525    endif
2526    config_target += { 'CONFIG_LINUX_USER': 'y' }
2527  elif target.endswith('bsd-user')
2528    if 'CONFIG_BSD' not in config_host
2529      if default_targets
2530        continue
2531      endif
2532      error('Target @0@ is only available on a BSD host'.format(target))
2533    endif
2534    config_target += { 'CONFIG_BSD_USER': 'y' }
2535  elif target.endswith('softmmu')
2536    config_target += { 'CONFIG_SOFTMMU': 'y' }
2537  endif
2538  if target.endswith('-user')
2539    config_target += {
2540      'CONFIG_USER_ONLY': 'y',
2541      'CONFIG_QEMU_INTERP_PREFIX':
2542        get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2543    }
2544  endif
2545
2546  accel_kconfig = []
2547  foreach sym: accelerators
2548    if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2549      config_target += { sym: 'y' }
2550      config_all += { sym: 'y' }
2551      if target in modular_tcg
2552        config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2553      else
2554        config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2555      endif
2556      accel_kconfig += [ sym + '=y' ]
2557    endif
2558  endforeach
2559  if accel_kconfig.length() == 0
2560    if default_targets
2561      continue
2562    endif
2563    error('No accelerator available for target @0@'.format(target))
2564  endif
2565
2566  actual_target_dirs += target
2567  config_target += keyval.load('configs/targets' / target + '.mak')
2568  config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2569
2570  if 'TARGET_NEED_FDT' in config_target
2571    fdt_required += target
2572  endif
2573
2574  # Add default keys
2575  if 'TARGET_BASE_ARCH' not in config_target
2576    config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2577  endif
2578  if 'TARGET_ABI_DIR' not in config_target
2579    config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2580  endif
2581  if 'TARGET_BIG_ENDIAN' not in config_target
2582    config_target += {'TARGET_BIG_ENDIAN': 'n'}
2583  endif
2584
2585  foreach k, v: disassemblers
2586    if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2587      foreach sym: v
2588        config_target += { sym: 'y' }
2589        config_all_disas += { sym: 'y' }
2590      endforeach
2591    endif
2592  endforeach
2593
2594  config_target_data = configuration_data()
2595  foreach k, v: config_target
2596    if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2597      # do nothing
2598    elif ignored.contains(k)
2599      # do nothing
2600    elif k == 'TARGET_BASE_ARCH'
2601      # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2602      # not used to select files from sourcesets.
2603      config_target_data.set('TARGET_' + v.to_upper(), 1)
2604    elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2605      config_target_data.set_quoted(k, v)
2606    elif v == 'y'
2607      config_target_data.set(k, 1)
2608    elif v == 'n'
2609      config_target_data.set(k, 0)
2610    else
2611      config_target_data.set(k, v)
2612    endif
2613  endforeach
2614  config_target_data.set('QEMU_ARCH',
2615                         'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2616  config_target_h += {target: configure_file(output: target + '-config-target.h',
2617                                               configuration: config_target_data)}
2618
2619  if target.endswith('-softmmu')
2620    config_input = meson.get_external_property(target, 'default')
2621    config_devices_mak = target + '-config-devices.mak'
2622    config_devices_mak = configure_file(
2623      input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2624      output: config_devices_mak,
2625      depfile: config_devices_mak + '.d',
2626      capture: true,
2627      command: [minikconf,
2628                get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2629                config_devices_mak, '@DEPFILE@', '@INPUT@',
2630                host_kconfig, accel_kconfig,
2631                'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2632
2633    config_devices_data = configuration_data()
2634    config_devices = keyval.load(config_devices_mak)
2635    foreach k, v: config_devices
2636      config_devices_data.set(k, 1)
2637    endforeach
2638    config_devices_mak_list += config_devices_mak
2639    config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2640                                                configuration: config_devices_data)}
2641    config_target += config_devices
2642    config_all_devices += config_devices
2643  endif
2644  config_target_mak += {target: config_target}
2645endforeach
2646target_dirs = actual_target_dirs
2647
2648# This configuration is used to build files that are shared by
2649# multiple binaries, and then extracted out of the "common"
2650# static_library target.
2651#
2652# We do not use all_sources()/all_dependencies(), because it would
2653# build literally all source files, including devices only used by
2654# targets that are not built for this compilation.  The CONFIG_ALL
2655# pseudo symbol replaces it.
2656
2657config_all += config_all_devices
2658config_all += config_host
2659config_all += config_all_disas
2660config_all += {
2661  'CONFIG_XEN': xen.found(),
2662  'CONFIG_SOFTMMU': have_system,
2663  'CONFIG_USER_ONLY': have_user,
2664  'CONFIG_ALL': true,
2665}
2666
2667target_configs_h = []
2668foreach target: target_dirs
2669  target_configs_h += config_target_h[target]
2670  target_configs_h += config_devices_h.get(target, [])
2671endforeach
2672genh += custom_target('config-poison.h',
2673                      input: [target_configs_h],
2674                      output: 'config-poison.h',
2675                      capture: true,
2676                      command: [find_program('scripts/make-config-poison.sh'),
2677                                target_configs_h])
2678
2679##############
2680# Submodules #
2681##############
2682
2683capstone = not_found
2684if not get_option('capstone').auto() or have_system or have_user
2685  capstone = dependency('capstone', version: '>=3.0.5',
2686                        kwargs: static_kwargs, method: 'pkg-config',
2687                        required: get_option('capstone'))
2688
2689  # Some versions of capstone have broken pkg-config file
2690  # that reports a wrong -I path, causing the #include to
2691  # fail later. If the system has such a broken version
2692  # do not use it.
2693  if capstone.found() and not cc.compiles('#include <capstone.h>',
2694                                          dependencies: [capstone])
2695    capstone = not_found
2696    if get_option('capstone').enabled()
2697      error('capstone requested, but it does not appear to work')
2698    endif
2699  endif
2700endif
2701
2702libvfio_user_dep = not_found
2703if have_system and vfio_user_server_allowed
2704  have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2705
2706  if not have_internal
2707    error('libvfio-user source not found - please pull git submodule')
2708  endif
2709
2710  libvfio_user_proj = subproject('libvfio-user')
2711
2712  libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2713
2714  libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2715endif
2716
2717fdt = not_found
2718if have_system
2719  fdt_opt = get_option('fdt')
2720  if fdt_opt in ['enabled', 'auto', 'system']
2721    have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2722    fdt = cc.find_library('fdt', kwargs: static_kwargs,
2723                          required: fdt_opt == 'system' or
2724                                    fdt_opt == 'enabled' and not have_internal)
2725    if fdt.found() and cc.links('''
2726       #include <libfdt.h>
2727       #include <libfdt_env.h>
2728       int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2729         dependencies: fdt)
2730      fdt_opt = 'system'
2731    elif fdt_opt == 'system'
2732       error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2733    elif have_internal
2734      fdt_opt = 'internal'
2735    else
2736      fdt_opt = 'disabled'
2737      fdt = not_found
2738    endif
2739  endif
2740  if fdt_opt == 'internal'
2741    fdt_files = files(
2742      'dtc/libfdt/fdt.c',
2743      'dtc/libfdt/fdt_ro.c',
2744      'dtc/libfdt/fdt_wip.c',
2745      'dtc/libfdt/fdt_sw.c',
2746      'dtc/libfdt/fdt_rw.c',
2747      'dtc/libfdt/fdt_strerror.c',
2748      'dtc/libfdt/fdt_empty_tree.c',
2749      'dtc/libfdt/fdt_addresses.c',
2750      'dtc/libfdt/fdt_overlay.c',
2751      'dtc/libfdt/fdt_check.c',
2752    )
2753
2754    fdt_inc = include_directories('dtc/libfdt')
2755    libfdt = static_library('fdt',
2756                            build_by_default: false,
2757                            sources: fdt_files,
2758                            include_directories: fdt_inc)
2759    fdt = declare_dependency(link_with: libfdt,
2760                             include_directories: fdt_inc)
2761  endif
2762else
2763  fdt_opt = 'disabled'
2764endif
2765if not fdt.found() and fdt_required.length() > 0
2766  error('fdt not available but required by targets ' + ', '.join(fdt_required))
2767endif
2768
2769config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2770config_host_data.set('CONFIG_FDT', fdt.found())
2771config_host_data.set('CONFIG_SLIRP', slirp.found())
2772
2773#####################
2774# Generated sources #
2775#####################
2776
2777genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2778
2779hxtool = find_program('scripts/hxtool')
2780shaderinclude = find_program('scripts/shaderinclude.pl')
2781qapi_gen = find_program('scripts/qapi-gen.py')
2782qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2783                     meson.current_source_dir() / 'scripts/qapi/commands.py',
2784                     meson.current_source_dir() / 'scripts/qapi/common.py',
2785                     meson.current_source_dir() / 'scripts/qapi/error.py',
2786                     meson.current_source_dir() / 'scripts/qapi/events.py',
2787                     meson.current_source_dir() / 'scripts/qapi/expr.py',
2788                     meson.current_source_dir() / 'scripts/qapi/gen.py',
2789                     meson.current_source_dir() / 'scripts/qapi/introspect.py',
2790                     meson.current_source_dir() / 'scripts/qapi/parser.py',
2791                     meson.current_source_dir() / 'scripts/qapi/schema.py',
2792                     meson.current_source_dir() / 'scripts/qapi/source.py',
2793                     meson.current_source_dir() / 'scripts/qapi/types.py',
2794                     meson.current_source_dir() / 'scripts/qapi/visit.py',
2795                     meson.current_source_dir() / 'scripts/qapi/common.py',
2796                     meson.current_source_dir() / 'scripts/qapi-gen.py'
2797]
2798
2799tracetool = [
2800  python, files('scripts/tracetool.py'),
2801   '--backend=' + ','.join(get_option('trace_backends'))
2802]
2803tracetool_depends = files(
2804  'scripts/tracetool/backend/log.py',
2805  'scripts/tracetool/backend/__init__.py',
2806  'scripts/tracetool/backend/dtrace.py',
2807  'scripts/tracetool/backend/ftrace.py',
2808  'scripts/tracetool/backend/simple.py',
2809  'scripts/tracetool/backend/syslog.py',
2810  'scripts/tracetool/backend/ust.py',
2811  'scripts/tracetool/format/ust_events_c.py',
2812  'scripts/tracetool/format/ust_events_h.py',
2813  'scripts/tracetool/format/__init__.py',
2814  'scripts/tracetool/format/d.py',
2815  'scripts/tracetool/format/simpletrace_stap.py',
2816  'scripts/tracetool/format/c.py',
2817  'scripts/tracetool/format/h.py',
2818  'scripts/tracetool/format/log_stap.py',
2819  'scripts/tracetool/format/stap.py',
2820  'scripts/tracetool/__init__.py',
2821  'scripts/tracetool/transform.py',
2822  'scripts/tracetool/vcpu.py'
2823)
2824
2825qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2826                    meson.current_source_dir(),
2827                    get_option('pkgversion'), meson.project_version()]
2828qemu_version = custom_target('qemu-version.h',
2829                             output: 'qemu-version.h',
2830                             command: qemu_version_cmd,
2831                             capture: true,
2832                             build_by_default: true,
2833                             build_always_stale: true)
2834genh += qemu_version
2835
2836hxdep = []
2837hx_headers = [
2838  ['qemu-options.hx', 'qemu-options.def'],
2839  ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2840]
2841if have_system
2842  hx_headers += [
2843    ['hmp-commands.hx', 'hmp-commands.h'],
2844    ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2845  ]
2846endif
2847foreach d : hx_headers
2848  hxdep += custom_target(d[1],
2849                input: files(d[0]),
2850                output: d[1],
2851                capture: true,
2852                build_by_default: true, # to be removed when added to a target
2853                command: [hxtool, '-h', '@INPUT0@'])
2854endforeach
2855genh += hxdep
2856
2857###################
2858# Collect sources #
2859###################
2860
2861authz_ss = ss.source_set()
2862blockdev_ss = ss.source_set()
2863block_ss = ss.source_set()
2864chardev_ss = ss.source_set()
2865common_ss = ss.source_set()
2866crypto_ss = ss.source_set()
2867hwcore_ss = ss.source_set()
2868io_ss = ss.source_set()
2869qmp_ss = ss.source_set()
2870qom_ss = ss.source_set()
2871softmmu_ss = ss.source_set()
2872specific_fuzz_ss = ss.source_set()
2873specific_ss = ss.source_set()
2874stub_ss = ss.source_set()
2875trace_ss = ss.source_set()
2876user_ss = ss.source_set()
2877util_ss = ss.source_set()
2878
2879# accel modules
2880qtest_module_ss = ss.source_set()
2881tcg_module_ss = ss.source_set()
2882
2883modules = {}
2884target_modules = {}
2885hw_arch = {}
2886target_arch = {}
2887target_softmmu_arch = {}
2888target_user_arch = {}
2889
2890###############
2891# Trace files #
2892###############
2893
2894# TODO: add each directory to the subdirs from its own meson.build, once
2895# we have those
2896trace_events_subdirs = [
2897  'crypto',
2898  'qapi',
2899  'qom',
2900  'monitor',
2901  'util',
2902  'gdbstub',
2903]
2904if have_linux_user
2905  trace_events_subdirs += [ 'linux-user' ]
2906endif
2907if have_bsd_user
2908  trace_events_subdirs += [ 'bsd-user' ]
2909endif
2910if have_block
2911  trace_events_subdirs += [
2912    'authz',
2913    'block',
2914    'io',
2915    'nbd',
2916    'scsi',
2917  ]
2918endif
2919if have_system
2920  trace_events_subdirs += [
2921    'accel/kvm',
2922    'audio',
2923    'backends',
2924    'backends/tpm',
2925    'chardev',
2926    'ebpf',
2927    'hw/9pfs',
2928    'hw/acpi',
2929    'hw/adc',
2930    'hw/alpha',
2931    'hw/arm',
2932    'hw/audio',
2933    'hw/block',
2934    'hw/block/dataplane',
2935    'hw/char',
2936    'hw/display',
2937    'hw/dma',
2938    'hw/hyperv',
2939    'hw/i2c',
2940    'hw/i386',
2941    'hw/i386/xen',
2942    'hw/ide',
2943    'hw/input',
2944    'hw/intc',
2945    'hw/isa',
2946    'hw/mem',
2947    'hw/mips',
2948    'hw/misc',
2949    'hw/misc/macio',
2950    'hw/net',
2951    'hw/net/can',
2952    'hw/nubus',
2953    'hw/nvme',
2954    'hw/nvram',
2955    'hw/pci',
2956    'hw/pci-host',
2957    'hw/ppc',
2958    'hw/rdma',
2959    'hw/rdma/vmw',
2960    'hw/rtc',
2961    'hw/s390x',
2962    'hw/scsi',
2963    'hw/sd',
2964    'hw/sh4',
2965    'hw/sparc',
2966    'hw/sparc64',
2967    'hw/ssi',
2968    'hw/timer',
2969    'hw/tpm',
2970    'hw/usb',
2971    'hw/vfio',
2972    'hw/virtio',
2973    'hw/watchdog',
2974    'hw/xen',
2975    'hw/gpio',
2976    'migration',
2977    'net',
2978    'softmmu',
2979    'ui',
2980    'hw/remote',
2981  ]
2982endif
2983if have_system or have_user
2984  trace_events_subdirs += [
2985    'accel/tcg',
2986    'hw/core',
2987    'target/arm',
2988    'target/arm/hvf',
2989    'target/hppa',
2990    'target/i386',
2991    'target/i386/kvm',
2992    'target/mips/tcg',
2993    'target/nios2',
2994    'target/ppc',
2995    'target/riscv',
2996    'target/s390x',
2997    'target/s390x/kvm',
2998    'target/sparc',
2999  ]
3000endif
3001
3002vhost_user = not_found
3003if targetos == 'linux' and have_vhost_user
3004  libvhost_user = subproject('libvhost-user')
3005  vhost_user = libvhost_user.get_variable('vhost_user_dep')
3006endif
3007
3008libvduse = not_found
3009if have_libvduse
3010  libvduse_proj = subproject('libvduse')
3011  libvduse = libvduse_proj.get_variable('libvduse_dep')
3012endif
3013
3014# NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3015# that is filled in by qapi/.
3016subdir('qapi')
3017subdir('qobject')
3018subdir('stubs')
3019subdir('trace')
3020subdir('util')
3021subdir('qom')
3022subdir('authz')
3023subdir('crypto')
3024subdir('ui')
3025subdir('hw')
3026subdir('gdbstub')
3027
3028
3029if enable_modules
3030  libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3031  modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3032endif
3033
3034qom_ss = qom_ss.apply(config_host, strict: false)
3035libqom = static_library('qom', qom_ss.sources() + genh,
3036                        dependencies: [qom_ss.dependencies()],
3037                        name_suffix: 'fa')
3038qom = declare_dependency(link_whole: libqom)
3039
3040event_loop_base = files('event-loop-base.c')
3041event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3042                                 build_by_default: true)
3043event_loop_base = declare_dependency(link_whole: event_loop_base,
3044                                     dependencies: [qom])
3045
3046stub_ss = stub_ss.apply(config_all, strict: false)
3047
3048util_ss.add_all(trace_ss)
3049util_ss = util_ss.apply(config_all, strict: false)
3050libqemuutil = static_library('qemuutil',
3051                             sources: util_ss.sources() + stub_ss.sources() + genh,
3052                             dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3053qemuutil = declare_dependency(link_with: libqemuutil,
3054                              sources: genh + version_res,
3055                              dependencies: [event_loop_base])
3056
3057if have_system or have_user
3058  decodetree = generator(find_program('scripts/decodetree.py'),
3059                         output: 'decode-@BASENAME@.c.inc',
3060                         arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3061  subdir('libdecnumber')
3062  subdir('target')
3063endif
3064
3065subdir('audio')
3066subdir('io')
3067subdir('chardev')
3068subdir('fsdev')
3069subdir('dump')
3070
3071if have_block
3072  block_ss.add(files(
3073    'block.c',
3074    'blockjob.c',
3075    'job.c',
3076    'qemu-io-cmds.c',
3077  ))
3078  if config_host_data.get('CONFIG_REPLICATION')
3079    block_ss.add(files('replication.c'))
3080  endif
3081
3082  subdir('nbd')
3083  subdir('scsi')
3084  subdir('block')
3085
3086  blockdev_ss.add(files(
3087    'blockdev.c',
3088    'blockdev-nbd.c',
3089    'iothread.c',
3090    'job-qmp.c',
3091  ), gnutls)
3092
3093  # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3094  # os-win32.c does not
3095  blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3096  softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3097endif
3098
3099common_ss.add(files('cpus-common.c'))
3100
3101subdir('softmmu')
3102
3103common_ss.add(capstone)
3104specific_ss.add(files('cpu.c', 'disas.c'), capstone)
3105
3106# Work around a gcc bug/misfeature wherein constant propagation looks
3107# through an alias:
3108#   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3109# to guess that a const variable is always zero.  Without lto, this is
3110# impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3111# without lto, not even the alias is required -- we simply use different
3112# declarations in different compilation units.
3113pagevary = files('page-vary-common.c')
3114if get_option('b_lto')
3115  pagevary_flags = ['-fno-lto']
3116  if get_option('cfi')
3117    pagevary_flags += '-fno-sanitize=cfi-icall'
3118  endif
3119  pagevary = static_library('page-vary-common', sources: pagevary + genh,
3120                            c_args: pagevary_flags)
3121  pagevary = declare_dependency(link_with: pagevary)
3122endif
3123common_ss.add(pagevary)
3124specific_ss.add(files('page-vary.c'))
3125
3126subdir('backends')
3127subdir('disas')
3128subdir('migration')
3129subdir('monitor')
3130subdir('net')
3131subdir('replay')
3132subdir('semihosting')
3133subdir('tcg')
3134subdir('fpu')
3135subdir('accel')
3136subdir('plugins')
3137subdir('ebpf')
3138
3139common_user_inc = []
3140
3141subdir('common-user')
3142subdir('bsd-user')
3143subdir('linux-user')
3144
3145# needed for fuzzing binaries
3146subdir('tests/qtest/libqos')
3147subdir('tests/qtest/fuzz')
3148
3149# accel modules
3150tcg_real_module_ss = ss.source_set()
3151tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3152specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3153target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3154                                'tcg': tcg_real_module_ss }}
3155
3156########################
3157# Library dependencies #
3158########################
3159
3160modinfo_collect = find_program('scripts/modinfo-collect.py')
3161modinfo_generate = find_program('scripts/modinfo-generate.py')
3162modinfo_files = []
3163
3164block_mods = []
3165softmmu_mods = []
3166foreach d, list : modules
3167  foreach m, module_ss : list
3168    if enable_modules and targetos != 'windows'
3169      module_ss = module_ss.apply(config_all, strict: false)
3170      sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3171                          dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3172      if d == 'block'
3173        block_mods += sl
3174      else
3175        softmmu_mods += sl
3176      endif
3177      if module_ss.sources() != []
3178        # FIXME: Should use sl.extract_all_objects(recursive: true) as
3179        # input. Sources can be used multiple times but objects are
3180        # unique when it comes to lookup in compile_commands.json.
3181        # Depnds on a mesion version with
3182        # https://github.com/mesonbuild/meson/pull/8900
3183        modinfo_files += custom_target(d + '-' + m + '.modinfo',
3184                                       output: d + '-' + m + '.modinfo',
3185                                       input: module_ss.sources() + genh,
3186                                       capture: true,
3187                                       command: [modinfo_collect, module_ss.sources()])
3188      endif
3189    else
3190      if d == 'block'
3191        block_ss.add_all(module_ss)
3192      else
3193        softmmu_ss.add_all(module_ss)
3194      endif
3195    endif
3196  endforeach
3197endforeach
3198
3199foreach d, list : target_modules
3200  foreach m, module_ss : list
3201    if enable_modules and targetos != 'windows'
3202      foreach target : target_dirs
3203        if target.endswith('-softmmu')
3204          config_target = config_target_mak[target]
3205          config_target += config_host
3206          target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3207          c_args = ['-DNEED_CPU_H',
3208                    '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3209                    '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3210          target_module_ss = module_ss.apply(config_target, strict: false)
3211          if target_module_ss.sources() != []
3212            module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3213            sl = static_library(module_name,
3214                                [genh, target_module_ss.sources()],
3215                                dependencies: [modulecommon, target_module_ss.dependencies()],
3216                                include_directories: target_inc,
3217                                c_args: c_args,
3218                                pic: true)
3219            softmmu_mods += sl
3220            # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3221            modinfo_files += custom_target(module_name + '.modinfo',
3222                                           output: module_name + '.modinfo',
3223                                           input: target_module_ss.sources() + genh,
3224                                           capture: true,
3225                                           command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3226          endif
3227        endif
3228      endforeach
3229    else
3230      specific_ss.add_all(module_ss)
3231    endif
3232  endforeach
3233endforeach
3234
3235if enable_modules
3236  foreach target : target_dirs
3237    if target.endswith('-softmmu')
3238      config_target = config_target_mak[target]
3239      config_devices_mak = target + '-config-devices.mak'
3240      modinfo_src = custom_target('modinfo-' + target + '.c',
3241                                  output: 'modinfo-' + target + '.c',
3242                                  input: modinfo_files,
3243                                  command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3244                                  capture: true)
3245
3246      modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3247      modinfo_dep = declare_dependency(link_with: modinfo_lib)
3248
3249      arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3250      hw_arch[arch].add(modinfo_dep)
3251    endif
3252  endforeach
3253endif
3254
3255nm = find_program('nm')
3256undefsym = find_program('scripts/undefsym.py')
3257block_syms = custom_target('block.syms', output: 'block.syms',
3258                             input: [libqemuutil, block_mods],
3259                             capture: true,
3260                             command: [undefsym, nm, '@INPUT@'])
3261qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3262                             input: [libqemuutil, softmmu_mods],
3263                             capture: true,
3264                             command: [undefsym, nm, '@INPUT@'])
3265
3266authz_ss = authz_ss.apply(config_host, strict: false)
3267libauthz = static_library('authz', authz_ss.sources() + genh,
3268                          dependencies: [authz_ss.dependencies()],
3269                          name_suffix: 'fa',
3270                          build_by_default: false)
3271
3272authz = declare_dependency(link_whole: libauthz,
3273                           dependencies: qom)
3274
3275crypto_ss = crypto_ss.apply(config_host, strict: false)
3276libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3277                           dependencies: [crypto_ss.dependencies()],
3278                           name_suffix: 'fa',
3279                           build_by_default: false)
3280
3281crypto = declare_dependency(link_whole: libcrypto,
3282                            dependencies: [authz, qom])
3283
3284io_ss = io_ss.apply(config_host, strict: false)
3285libio = static_library('io', io_ss.sources() + genh,
3286                       dependencies: [io_ss.dependencies()],
3287                       link_with: libqemuutil,
3288                       name_suffix: 'fa',
3289                       build_by_default: false)
3290
3291io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3292
3293libmigration = static_library('migration', sources: migration_files + genh,
3294                              name_suffix: 'fa',
3295                              build_by_default: false)
3296migration = declare_dependency(link_with: libmigration,
3297                               dependencies: [zlib, qom, io])
3298softmmu_ss.add(migration)
3299
3300block_ss = block_ss.apply(config_host, strict: false)
3301libblock = static_library('block', block_ss.sources() + genh,
3302                          dependencies: block_ss.dependencies(),
3303                          link_depends: block_syms,
3304                          name_suffix: 'fa',
3305                          build_by_default: false)
3306
3307block = declare_dependency(link_whole: [libblock],
3308                           link_args: '@block.syms',
3309                           dependencies: [crypto, io])
3310
3311blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3312libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3313                             dependencies: blockdev_ss.dependencies(),
3314                             name_suffix: 'fa',
3315                             build_by_default: false)
3316
3317blockdev = declare_dependency(link_whole: [libblockdev],
3318                              dependencies: [block, event_loop_base])
3319
3320qmp_ss = qmp_ss.apply(config_host, strict: false)
3321libqmp = static_library('qmp', qmp_ss.sources() + genh,
3322                        dependencies: qmp_ss.dependencies(),
3323                        name_suffix: 'fa',
3324                        build_by_default: false)
3325
3326qmp = declare_dependency(link_whole: [libqmp])
3327
3328libchardev = static_library('chardev', chardev_ss.sources() + genh,
3329                            name_suffix: 'fa',
3330                            dependencies: chardev_ss.dependencies(),
3331                            build_by_default: false)
3332
3333chardev = declare_dependency(link_whole: libchardev)
3334
3335hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3336libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3337                           name_suffix: 'fa',
3338                           build_by_default: false)
3339hwcore = declare_dependency(link_whole: libhwcore)
3340common_ss.add(hwcore)
3341
3342###########
3343# Targets #
3344###########
3345
3346emulator_modules = []
3347foreach m : block_mods + softmmu_mods
3348  emulator_modules += shared_module(m.name(),
3349                build_by_default: true,
3350                name_prefix: '',
3351                link_whole: m,
3352                install: true,
3353                install_dir: qemu_moddir)
3354endforeach
3355if emulator_modules.length() > 0
3356  alias_target('modules', emulator_modules)
3357endif
3358
3359softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3360common_ss.add(qom, qemuutil)
3361
3362common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3363common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3364
3365common_all = common_ss.apply(config_all, strict: false)
3366common_all = static_library('common',
3367                            build_by_default: false,
3368                            sources: common_all.sources() + genh,
3369                            include_directories: common_user_inc,
3370                            implicit_include_directories: false,
3371                            dependencies: common_all.dependencies(),
3372                            name_suffix: 'fa')
3373
3374feature_to_c = find_program('scripts/feature_to_c.sh')
3375
3376if targetos == 'darwin'
3377  entitlement = find_program('scripts/entitlement.sh')
3378endif
3379
3380emulators = {}
3381foreach target : target_dirs
3382  config_target = config_target_mak[target]
3383  target_name = config_target['TARGET_NAME']
3384  target_base_arch = config_target['TARGET_BASE_ARCH']
3385  arch_srcs = [config_target_h[target]]
3386  arch_deps = []
3387  c_args = ['-DNEED_CPU_H',
3388            '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3389            '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3390  link_args = emulator_link_args
3391
3392  config_target += config_host
3393  target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3394  if targetos == 'linux'
3395    target_inc += include_directories('linux-headers', is_system: true)
3396  endif
3397  if target.endswith('-softmmu')
3398    target_type='system'
3399    t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3400    arch_srcs += t.sources()
3401    arch_deps += t.dependencies()
3402
3403    hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3404    hw = hw_arch[hw_dir].apply(config_target, strict: false)
3405    arch_srcs += hw.sources()
3406    arch_deps += hw.dependencies()
3407
3408    arch_srcs += config_devices_h[target]
3409    link_args += ['@block.syms', '@qemu.syms']
3410  else
3411    abi = config_target['TARGET_ABI_DIR']
3412    target_type='user'
3413    target_inc += common_user_inc
3414    if target_base_arch in target_user_arch
3415      t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3416      arch_srcs += t.sources()
3417      arch_deps += t.dependencies()
3418    endif
3419    if 'CONFIG_LINUX_USER' in config_target
3420      base_dir = 'linux-user'
3421    endif
3422    if 'CONFIG_BSD_USER' in config_target
3423      base_dir = 'bsd-user'
3424      target_inc += include_directories('bsd-user/' / targetos)
3425      target_inc += include_directories('bsd-user/host/' / host_arch)
3426      dir = base_dir / abi
3427      arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3428    endif
3429    target_inc += include_directories(
3430      base_dir,
3431      base_dir / abi,
3432    )
3433    if 'CONFIG_LINUX_USER' in config_target
3434      dir = base_dir / abi
3435      arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3436      if config_target.has_key('TARGET_SYSTBL_ABI')
3437        arch_srcs += \
3438          syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3439                                             extra_args : config_target['TARGET_SYSTBL_ABI'])
3440      endif
3441    endif
3442  endif
3443
3444  if 'TARGET_XML_FILES' in config_target
3445    gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3446                                output: target + '-gdbstub-xml.c',
3447                                input: files(config_target['TARGET_XML_FILES'].split()),
3448                                command: [feature_to_c, '@INPUT@'],
3449                                capture: true)
3450    arch_srcs += gdbstub_xml
3451  endif
3452
3453  t = target_arch[target_base_arch].apply(config_target, strict: false)
3454  arch_srcs += t.sources()
3455  arch_deps += t.dependencies()
3456
3457  target_common = common_ss.apply(config_target, strict: false)
3458  objects = common_all.extract_objects(target_common.sources())
3459  deps = target_common.dependencies()
3460
3461  target_specific = specific_ss.apply(config_target, strict: false)
3462  arch_srcs += target_specific.sources()
3463  arch_deps += target_specific.dependencies()
3464
3465  lib = static_library('qemu-' + target,
3466                 sources: arch_srcs + genh,
3467                 dependencies: arch_deps,
3468                 objects: objects,
3469                 include_directories: target_inc,
3470                 c_args: c_args,
3471                 build_by_default: false,
3472                 name_suffix: 'fa')
3473
3474  if target.endswith('-softmmu')
3475    execs = [{
3476      'name': 'qemu-system-' + target_name,
3477      'win_subsystem': 'console',
3478      'sources': files('softmmu/main.c'),
3479      'dependencies': []
3480    }]
3481    if targetos == 'windows' and (sdl.found() or gtk.found())
3482      execs += [{
3483        'name': 'qemu-system-' + target_name + 'w',
3484        'win_subsystem': 'windows',
3485        'sources': files('softmmu/main.c'),
3486        'dependencies': []
3487      }]
3488    endif
3489    if get_option('fuzzing')
3490      specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3491      execs += [{
3492        'name': 'qemu-fuzz-' + target_name,
3493        'win_subsystem': 'console',
3494        'sources': specific_fuzz.sources(),
3495        'dependencies': specific_fuzz.dependencies(),
3496      }]
3497    endif
3498  else
3499    execs = [{
3500      'name': 'qemu-' + target_name,
3501      'win_subsystem': 'console',
3502      'sources': [],
3503      'dependencies': []
3504    }]
3505  endif
3506  foreach exe: execs
3507    exe_name = exe['name']
3508    if targetos == 'darwin'
3509      exe_name += '-unsigned'
3510    endif
3511
3512    emulator = executable(exe_name, exe['sources'],
3513               install: true,
3514               c_args: c_args,
3515               dependencies: arch_deps + deps + exe['dependencies'],
3516               objects: lib.extract_all_objects(recursive: true),
3517               link_language: link_language,
3518               link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3519               link_args: link_args,
3520               win_subsystem: exe['win_subsystem'])
3521
3522    if targetos == 'darwin'
3523      icon = 'pc-bios/qemu.rsrc'
3524      build_input = [emulator, files(icon)]
3525      install_input = [
3526        get_option('bindir') / exe_name,
3527        meson.current_source_dir() / icon
3528      ]
3529      if 'CONFIG_HVF' in config_target
3530        entitlements = 'accel/hvf/entitlements.plist'
3531        build_input += files(entitlements)
3532        install_input += meson.current_source_dir() / entitlements
3533      endif
3534
3535      emulators += {exe['name'] : custom_target(exe['name'],
3536                   input: build_input,
3537                   output: exe['name'],
3538                   command: [entitlement, '@OUTPUT@', '@INPUT@'])
3539      }
3540
3541      meson.add_install_script(entitlement, '--install',
3542                               get_option('bindir') / exe['name'],
3543                               install_input)
3544    else
3545      emulators += {exe['name']: emulator}
3546    endif
3547
3548    if stap.found()
3549      foreach stp: [
3550        {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3551        {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3552        {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3553        {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3554      ]
3555        custom_target(exe['name'] + stp['ext'],
3556                      input: trace_events_all,
3557                      output: exe['name'] + stp['ext'],
3558                      install: stp['install'],
3559                      install_dir: get_option('datadir') / 'systemtap/tapset',
3560                      command: [
3561                        tracetool, '--group=all', '--format=' + stp['fmt'],
3562                        '--binary=' + stp['bin'],
3563                        '--target-name=' + target_name,
3564                        '--target-type=' + target_type,
3565                        '--probe-prefix=qemu.' + target_type + '.' + target_name,
3566                        '@INPUT@', '@OUTPUT@'
3567                      ],
3568                      depend_files: tracetool_depends)
3569      endforeach
3570    endif
3571  endforeach
3572endforeach
3573
3574# Other build targets
3575
3576if 'CONFIG_PLUGIN' in config_host
3577  install_headers('include/qemu/qemu-plugin.h')
3578endif
3579
3580subdir('qga')
3581
3582# Don't build qemu-keymap if xkbcommon is not explicitly enabled
3583# when we don't build tools or system
3584if xkbcommon.found()
3585  # used for the update-keymaps target, so include rules even if !have_tools
3586  qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3587                           dependencies: [qemuutil, xkbcommon], install: have_tools)
3588endif
3589
3590if have_tools
3591  qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3592             dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3593  qemu_io = executable('qemu-io', files('qemu-io.c'),
3594             dependencies: [block, qemuutil], install: true)
3595  qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3596               dependencies: [blockdev, qemuutil, gnutls, selinux],
3597               install: true)
3598
3599  subdir('storage-daemon')
3600  subdir('contrib/rdmacm-mux')
3601  subdir('contrib/elf2dmp')
3602
3603  executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3604             dependencies: qemuutil,
3605             install: true)
3606
3607  if have_vhost_user
3608    subdir('contrib/vhost-user-blk')
3609    subdir('contrib/vhost-user-gpu')
3610    subdir('contrib/vhost-user-input')
3611    subdir('contrib/vhost-user-scsi')
3612  endif
3613
3614  if targetos == 'linux'
3615    executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3616               dependencies: [qemuutil, libcap_ng],
3617               install: true,
3618               install_dir: get_option('libexecdir'))
3619
3620    executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3621               dependencies: [authz, crypto, io, qom, qemuutil,
3622                              libcap_ng, mpathpersist],
3623               install: true)
3624  endif
3625
3626  if have_ivshmem
3627    subdir('contrib/ivshmem-client')
3628    subdir('contrib/ivshmem-server')
3629  endif
3630endif
3631
3632subdir('scripts')
3633subdir('tools')
3634subdir('pc-bios')
3635subdir('docs')
3636subdir('tests')
3637if gtk.found()
3638  subdir('po')
3639endif
3640
3641if host_machine.system() == 'windows'
3642  nsis_cmd = [
3643    find_program('scripts/nsis.py'),
3644    '@OUTPUT@',
3645    get_option('prefix'),
3646    meson.current_source_dir(),
3647    config_host['GLIB_BINDIR'],
3648    host_machine.cpu(),
3649    '--',
3650    '-DDISPLAYVERSION=' + meson.project_version(),
3651  ]
3652  if build_docs
3653    nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3654  endif
3655  if gtk.found()
3656    nsis_cmd += '-DCONFIG_GTK=y'
3657  endif
3658
3659  nsis = custom_target('nsis',
3660                       output: 'qemu-setup-' + meson.project_version() + '.exe',
3661                       input: files('qemu.nsi'),
3662                       build_always_stale: true,
3663                       command: nsis_cmd + ['@INPUT@'])
3664  alias_target('installer', nsis)
3665endif
3666
3667#########################
3668# Configuration summary #
3669#########################
3670
3671# Directories
3672summary_info = {}
3673summary_info += {'Install prefix':    get_option('prefix')}
3674summary_info += {'BIOS directory':    qemu_datadir}
3675pathsep = targetos == 'windows' ? ';' : ':'
3676summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
3677summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3678summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3679summary_info += {'module directory':  qemu_moddir}
3680summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3681summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3682summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3683if targetos != 'windows'
3684  summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3685  summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3686else
3687  summary_info += {'local state directory': 'queried at runtime'}
3688endif
3689summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3690summary_info += {'Build directory':   meson.current_build_dir()}
3691summary_info += {'Source path':       meson.current_source_dir()}
3692summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3693summary(summary_info, bool_yn: true, section: 'Directories')
3694
3695# Host binaries
3696summary_info = {}
3697summary_info += {'git':               config_host['GIT']}
3698summary_info += {'make':              config_host['MAKE']}
3699summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3700summary_info += {'sphinx-build':      sphinx_build}
3701if config_host.has_key('HAVE_GDB_BIN')
3702  summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3703endif
3704summary_info += {'iasl':              iasl}
3705summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3706if targetos == 'windows' and have_ga
3707  summary_info += {'wixl':            wixl}
3708endif
3709if slirp.found() and have_system
3710  summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3711endif
3712summary(summary_info, bool_yn: true, section: 'Host binaries')
3713
3714# Configurable features
3715summary_info = {}
3716summary_info += {'Documentation':     build_docs}
3717summary_info += {'system-mode emulation': have_system}
3718summary_info += {'user-mode emulation': have_user}
3719summary_info += {'block layer':       have_block}
3720summary_info += {'Install blobs':     get_option('install_blobs')}
3721summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3722if config_host.has_key('CONFIG_MODULES')
3723  summary_info += {'alternative module path': get_option('module_upgrades')}
3724endif
3725summary_info += {'fuzzing support':   get_option('fuzzing')}
3726if have_system
3727  summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3728endif
3729summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3730if 'simple' in get_option('trace_backends')
3731  summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3732endif
3733summary_info += {'D-Bus display':     dbus_display}
3734summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3735summary_info += {'vhost-kernel support': have_vhost_kernel}
3736summary_info += {'vhost-net support': have_vhost_net}
3737summary_info += {'vhost-user support': have_vhost_user}
3738summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3739summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3740summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3741summary_info += {'build guest agent': have_ga}
3742summary(summary_info, bool_yn: true, section: 'Configurable features')
3743
3744# Compilation information
3745summary_info = {}
3746summary_info += {'host CPU':          cpu}
3747summary_info += {'host endianness':   build_machine.endian()}
3748summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3749summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3750if link_language == 'cpp'
3751  summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3752else
3753  summary_info += {'C++ compiler':      false}
3754endif
3755if targetos == 'darwin'
3756  summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3757endif
3758option_cflags = (get_option('debug') ? ['-g'] : [])
3759if get_option('optimization') != 'plain'
3760  option_cflags += ['-O' + get_option('optimization')]
3761endif
3762summary_info += {'CFLAGS':            ' '.join(get_option('c_args') + option_cflags)}
3763if link_language == 'cpp'
3764  summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args') + option_cflags)}
3765endif
3766if targetos == 'darwin'
3767  summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args') + option_cflags)}
3768endif
3769link_args = get_option(link_language + '_link_args')
3770if link_args.length() > 0
3771  summary_info += {'LDFLAGS':         ' '.join(link_args)}
3772endif
3773summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3774if 'cpp' in all_languages
3775  summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3776endif
3777if 'objc' in all_languages
3778  summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3779endif
3780summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3781summary_info += {'profiler':          get_option('profiler')}
3782summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3783summary_info += {'PIE':               get_option('b_pie')}
3784summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3785summary_info += {'malloc trim support': has_malloc_trim}
3786summary_info += {'membarrier':        have_membarrier}
3787summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3788summary_info += {'mutex debugging':   get_option('debug_mutex')}
3789summary_info += {'memory allocator':  get_option('malloc')}
3790summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3791summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3792summary_info += {'gprof enabled':     get_option('gprof')}
3793summary_info += {'gcov':              get_option('b_coverage')}
3794summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3795summary_info += {'CFI support':       get_option('cfi')}
3796if get_option('cfi')
3797  summary_info += {'CFI debug support': get_option('cfi_debug')}
3798endif
3799summary_info += {'strip binaries':    get_option('strip')}
3800summary_info += {'sparse':            sparse}
3801summary_info += {'mingw32 support':   targetos == 'windows'}
3802summary(summary_info, bool_yn: true, section: 'Compilation')
3803
3804# snarf the cross-compilation information for tests
3805summary_info = {}
3806have_cross = false
3807foreach target: target_dirs
3808  tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
3809  if fs.exists(tcg_mak)
3810    config_cross_tcg = keyval.load(tcg_mak)
3811    if 'CC' in config_cross_tcg
3812      summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3813      have_cross = true
3814    endif
3815  endif
3816endforeach
3817if have_cross
3818  summary(summary_info, bool_yn: true, section: 'Cross compilers')
3819endif
3820
3821# Targets and accelerators
3822summary_info = {}
3823if have_system
3824  summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3825  summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3826  summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3827  summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3828  summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3829  summary_info += {'Xen support':       xen.found()}
3830  if xen.found()
3831    summary_info += {'xen ctrl version':  xen.version()}
3832  endif
3833endif
3834summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3835if config_all.has_key('CONFIG_TCG')
3836  if get_option('tcg_interpreter')
3837    summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3838  else
3839    summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3840  endif
3841  summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3842  summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3843endif
3844summary_info += {'target list':       ' '.join(target_dirs)}
3845if have_system
3846  summary_info += {'default devices':   get_option('default_devices')}
3847  summary_info += {'out of process emulation': multiprocess_allowed}
3848  summary_info += {'vfio-user server': vfio_user_server_allowed}
3849endif
3850summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3851
3852# Block layer
3853summary_info = {}
3854summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3855summary_info += {'coroutine pool':    have_coroutine_pool}
3856if have_block
3857  summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3858  summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3859  summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3860  summary_info += {'VirtFS support':    have_virtfs}
3861  summary_info += {'build virtiofs daemon': have_virtiofsd}
3862  summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3863  summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3864  summary_info += {'bochs support':     get_option('bochs').allowed()}
3865  summary_info += {'cloop support':     get_option('cloop').allowed()}
3866  summary_info += {'dmg support':       get_option('dmg').allowed()}
3867  summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3868  summary_info += {'vdi support':       get_option('vdi').allowed()}
3869  summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3870  summary_info += {'qed support':       get_option('qed').allowed()}
3871  summary_info += {'parallels support': get_option('parallels').allowed()}
3872  summary_info += {'FUSE exports':      fuse}
3873  summary_info += {'VDUSE block exports': have_vduse_blk_export}
3874endif
3875summary(summary_info, bool_yn: true, section: 'Block layer support')
3876
3877# Crypto
3878summary_info = {}
3879summary_info += {'TLS priority':      get_option('tls_priority')}
3880summary_info += {'GNUTLS support':    gnutls}
3881if gnutls.found()
3882  summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3883endif
3884summary_info += {'libgcrypt':         gcrypt}
3885summary_info += {'nettle':            nettle}
3886if nettle.found()
3887   summary_info += {'  XTS':             xts != 'private'}
3888endif
3889summary_info += {'AF_ALG support':    have_afalg}
3890summary_info += {'rng-none':          get_option('rng_none')}
3891summary_info += {'Linux keyring':     have_keyring}
3892summary(summary_info, bool_yn: true, section: 'Crypto')
3893
3894# Libraries
3895summary_info = {}
3896if targetos == 'darwin'
3897  summary_info += {'Cocoa support':           cocoa}
3898  summary_info += {'vmnet.framework support': vmnet}
3899endif
3900summary_info += {'SDL support':       sdl}
3901summary_info += {'SDL image support': sdl_image}
3902summary_info += {'GTK support':       gtk}
3903summary_info += {'pixman':            pixman}
3904summary_info += {'VTE support':       vte}
3905summary_info += {'slirp support':     slirp}
3906summary_info += {'libtasn1':          tasn1}
3907summary_info += {'PAM':               pam}
3908summary_info += {'iconv support':     iconv}
3909summary_info += {'curses support':    curses}
3910summary_info += {'virgl support':     virgl}
3911summary_info += {'blkio support':     blkio}
3912summary_info += {'curl support':      curl}
3913summary_info += {'Multipath support': mpathpersist}
3914summary_info += {'PNG support':       png}
3915summary_info += {'VNC support':       vnc}
3916if vnc.found()
3917  summary_info += {'VNC SASL support':  sasl}
3918  summary_info += {'VNC JPEG support':  jpeg}
3919endif
3920if targetos not in ['darwin', 'haiku', 'windows']
3921  summary_info += {'OSS support':     oss}
3922  summary_info += {'sndio support':   sndio}
3923elif targetos == 'darwin'
3924  summary_info += {'CoreAudio support': coreaudio}
3925elif targetos == 'windows'
3926  summary_info += {'DirectSound support': dsound}
3927endif
3928if targetos == 'linux'
3929  summary_info += {'ALSA support':    alsa}
3930  summary_info += {'PulseAudio support': pulse}
3931endif
3932summary_info += {'JACK support':      jack}
3933summary_info += {'brlapi support':    brlapi}
3934summary_info += {'vde support':       vde}
3935summary_info += {'netmap support':    have_netmap}
3936summary_info += {'l2tpv3 support':    have_l2tpv3}
3937summary_info += {'Linux AIO support': libaio}
3938summary_info += {'Linux io_uring support': linux_io_uring}
3939summary_info += {'ATTR/XATTR support': libattr}
3940summary_info += {'RDMA support':      rdma}
3941summary_info += {'PVRDMA support':    have_pvrdma}
3942summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3943summary_info += {'libcap-ng support': libcap_ng}
3944summary_info += {'bpf support':       libbpf}
3945summary_info += {'spice protocol support': spice_protocol}
3946if spice_protocol.found()
3947  summary_info += {'  spice server support': spice}
3948endif
3949summary_info += {'rbd support':       rbd}
3950summary_info += {'smartcard support': cacard}
3951summary_info += {'U2F support':       u2f}
3952summary_info += {'libusb':            libusb}
3953summary_info += {'usb net redir':     usbredir}
3954summary_info += {'OpenGL support (epoxy)': opengl}
3955summary_info += {'GBM':               gbm}
3956summary_info += {'libiscsi support':  libiscsi}
3957summary_info += {'libnfs support':    libnfs}
3958if targetos == 'windows'
3959  if have_ga
3960    summary_info += {'QGA VSS support':   have_qga_vss}
3961  endif
3962endif
3963summary_info += {'seccomp support':   seccomp}
3964summary_info += {'GlusterFS support': glusterfs}
3965summary_info += {'TPM support':       have_tpm}
3966summary_info += {'libssh support':    libssh}
3967summary_info += {'lzo support':       lzo}
3968summary_info += {'snappy support':    snappy}
3969summary_info += {'bzip2 support':     libbzip2}
3970summary_info += {'lzfse support':     liblzfse}
3971summary_info += {'zstd support':      zstd}
3972summary_info += {'NUMA host support': numa}
3973summary_info += {'capstone':          capstone}
3974summary_info += {'libpmem support':   libpmem}
3975summary_info += {'libdaxctl support': libdaxctl}
3976summary_info += {'libudev':           libudev}
3977# Dummy dependency, keep .found()
3978summary_info += {'FUSE lseek':        fuse_lseek.found()}
3979summary_info += {'selinux':           selinux}
3980summary_info += {'libdw':             libdw}
3981summary(summary_info, bool_yn: true, section: 'Dependencies')
3982
3983if not supported_cpus.contains(cpu)
3984  message()
3985  warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3986  message()
3987  message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3988  message('The QEMU project intends to remove support for this host CPU in')
3989  message('a future release if nobody volunteers to maintain it and to')
3990  message('provide a build host for our continuous integration setup.')
3991  message('configure has succeeded and you can continue to build, but')
3992  message('if you care about QEMU on this platform you should contact')
3993  message('us upstream at qemu-devel@nongnu.org.')
3994endif
3995
3996if not supported_oses.contains(targetos)
3997  message()
3998  warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3999  message()
4000  message('Host OS ' + targetos + 'support is not currently maintained.')
4001  message('The QEMU project intends to remove support for this host OS in')
4002  message('a future release if nobody volunteers to maintain it and to')
4003  message('provide a build host for our continuous integration setup.')
4004  message('configure has succeeded and you can continue to build, but')
4005  message('if you care about QEMU on this platform you should contact')
4006  message('us upstream at qemu-devel@nongnu.org.')
4007endif
4008