xref: /qemu/meson.build (revision ffda5db6)
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 = not_found
1653if not get_option('libdw').auto() or \
1654        (not enable_static and (have_system or have_user))
1655    libdw = dependency('libdw',
1656                       method: 'pkg-config',
1657                       kwargs: static_kwargs,
1658                       required: get_option('libdw'))
1659endif
1660
1661#################
1662# config-host.h #
1663#################
1664
1665audio_drivers_selected = []
1666if have_system
1667  audio_drivers_available = {
1668    'alsa': alsa.found(),
1669    'coreaudio': coreaudio.found(),
1670    'dsound': dsound.found(),
1671    'jack': jack.found(),
1672    'oss': oss.found(),
1673    'pa': pulse.found(),
1674    'sdl': sdl.found(),
1675    'sndio': sndio.found(),
1676  }
1677  foreach k, v: audio_drivers_available
1678    config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1679  endforeach
1680
1681  # Default to native drivers first, OSS second, SDL third
1682  audio_drivers_priority = \
1683    [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1684    (targetos == 'linux' ? [] : [ 'sdl' ])
1685  audio_drivers_default = []
1686  foreach k: audio_drivers_priority
1687    if audio_drivers_available[k]
1688      audio_drivers_default += k
1689    endif
1690  endforeach
1691
1692  foreach k: get_option('audio_drv_list')
1693    if k == 'default'
1694      audio_drivers_selected += audio_drivers_default
1695    elif not audio_drivers_available[k]
1696      error('Audio driver "@0@" not available.'.format(k))
1697    else
1698      audio_drivers_selected += k
1699    endif
1700  endforeach
1701endif
1702config_host_data.set('CONFIG_AUDIO_DRIVERS',
1703                     '"' + '", "'.join(audio_drivers_selected) + '", ')
1704
1705if get_option('cfi')
1706  cfi_flags=[]
1707  # Check for dependency on LTO
1708  if not get_option('b_lto')
1709    error('Selected Control-Flow Integrity but LTO is disabled')
1710  endif
1711  if config_host.has_key('CONFIG_MODULES')
1712    error('Selected Control-Flow Integrity is not compatible with modules')
1713  endif
1714  # Check for cfi flags. CFI requires LTO so we can't use
1715  # get_supported_arguments, but need a more complex "compiles" which allows
1716  # custom arguments
1717  if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1718                 args: ['-flto', '-fsanitize=cfi-icall'] )
1719    cfi_flags += '-fsanitize=cfi-icall'
1720  else
1721    error('-fsanitize=cfi-icall is not supported by the compiler')
1722  endif
1723  if cc.compiles('int main () { return 0; }',
1724                 name: '-fsanitize-cfi-icall-generalize-pointers',
1725                 args: ['-flto', '-fsanitize=cfi-icall',
1726                        '-fsanitize-cfi-icall-generalize-pointers'] )
1727    cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1728  else
1729    error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1730  endif
1731  if get_option('cfi_debug')
1732    if cc.compiles('int main () { return 0; }',
1733                   name: '-fno-sanitize-trap=cfi-icall',
1734                   args: ['-flto', '-fsanitize=cfi-icall',
1735                          '-fno-sanitize-trap=cfi-icall'] )
1736      cfi_flags += '-fno-sanitize-trap=cfi-icall'
1737    else
1738      error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1739    endif
1740  endif
1741  add_global_arguments(cfi_flags, native: false, language: all_languages)
1742  add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1743endif
1744
1745have_host_block_device = (targetos != 'darwin' or
1746    cc.has_header('IOKit/storage/IOMedia.h'))
1747
1748dbus_display = get_option('dbus_display') \
1749  .require(gio.version().version_compare('>=2.64'),
1750           error_message: '-display dbus requires glib>=2.64') \
1751  .require(gdbus_codegen.found(),
1752           error_message: gdbus_codegen_error.format('-display dbus')) \
1753  .require(opengl.found() and gbm.found(),
1754           error_message: '-display dbus requires epoxy/egl and gbm') \
1755  .allowed()
1756
1757have_virtfs = get_option('virtfs') \
1758    .require(targetos == 'linux' or targetos == 'darwin',
1759             error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1760    .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1761             error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1762    .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1763             error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1764    .disable_auto_if(not have_tools and not have_system) \
1765    .allowed()
1766
1767have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1768
1769if get_option('block_drv_ro_whitelist') == ''
1770  config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1771else
1772  config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1773        '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1774endif
1775if get_option('block_drv_rw_whitelist') == ''
1776  config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1777else
1778  config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1779        '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1780endif
1781
1782foreach k : get_option('trace_backends')
1783  config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1784endforeach
1785config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1786config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1787if iasl.found()
1788  config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1789endif
1790config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1791config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1792config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1793config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1794config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1795
1796qemu_firmwarepath = ''
1797foreach k : get_option('qemu_firmwarepath')
1798  qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
1799endforeach
1800config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
1801
1802config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1803config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1804config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1805config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1806config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1807config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1808
1809if config_host.has_key('CONFIG_MODULES')
1810  config_host_data.set('CONFIG_STAMP', run_command(
1811      meson.current_source_dir() / 'scripts/qemu-stamp.py',
1812      meson.project_version(), get_option('pkgversion'), '--',
1813      meson.current_source_dir() / 'configure',
1814      capture: true, check: true).stdout().strip())
1815endif
1816
1817have_slirp_smbd = get_option('slirp_smbd') \
1818  .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1819  .allowed()
1820if have_slirp_smbd
1821  smbd_path = get_option('smbd')
1822  if smbd_path == ''
1823    smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1824  endif
1825  config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1826endif
1827
1828config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1829
1830if get_option('module_upgrades') and not enable_modules
1831  error('Cannot enable module-upgrades as modules are not enabled')
1832endif
1833config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1834
1835config_host_data.set('CONFIG_ATTR', libattr.found())
1836config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1837config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1838config_host_data.set('CONFIG_COCOA', cocoa.found())
1839config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1840config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1841config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1842config_host_data.set('CONFIG_LZO', lzo.found())
1843config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1844config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1845config_host_data.set('CONFIG_BLKIO', blkio.found())
1846config_host_data.set('CONFIG_CURL', curl.found())
1847config_host_data.set('CONFIG_CURSES', curses.found())
1848config_host_data.set('CONFIG_GBM', gbm.found())
1849config_host_data.set('CONFIG_GIO', gio.found())
1850config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1851if glusterfs.found()
1852  config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1853  config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1854  config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1855  config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1856  config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1857  config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1858endif
1859config_host_data.set('CONFIG_GTK', gtk.found())
1860config_host_data.set('CONFIG_VTE', vte.found())
1861config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
1862config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1863config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1864config_host_data.set('CONFIG_EBPF', libbpf.found())
1865config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1866config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1867config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1868config_host_data.set('CONFIG_LIBSSH', libssh.found())
1869config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1870config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1871config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1872config_host_data.set('CONFIG_NUMA', numa.found())
1873if numa.found()
1874  config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
1875                       cc.has_function('numa_has_preferred_many',
1876                                       dependencies: numa))
1877endif
1878config_host_data.set('CONFIG_OPENGL', opengl.found())
1879config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1880config_host_data.set('CONFIG_RBD', rbd.found())
1881config_host_data.set('CONFIG_RDMA', rdma.found())
1882config_host_data.set('CONFIG_SDL', sdl.found())
1883config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1884config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1885if seccomp.found()
1886  config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
1887endif
1888config_host_data.set('CONFIG_SNAPPY', snappy.found())
1889config_host_data.set('CONFIG_TPM', have_tpm)
1890config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1891config_host_data.set('CONFIG_VDE', vde.found())
1892config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1893config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1894config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1895config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1896config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1897config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1898config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1899config_host_data.set('CONFIG_VMNET', vmnet.found())
1900config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1901config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
1902config_host_data.set('CONFIG_PNG', png.found())
1903config_host_data.set('CONFIG_VNC', vnc.found())
1904config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1905config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1906config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1907config_host_data.set('CONFIG_VTE', vte.found())
1908config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1909config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1910config_host_data.set('CONFIG_GETTID', has_gettid)
1911config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1912config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1913config_host_data.set('CONFIG_TASN1', tasn1.found())
1914config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1915config_host_data.set('CONFIG_NETTLE', nettle.found())
1916config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1917config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1918config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1919config_host_data.set('CONFIG_STATX', has_statx)
1920config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1921config_host_data.set('CONFIG_ZSTD', zstd.found())
1922config_host_data.set('CONFIG_FUSE', fuse.found())
1923config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1924config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1925if spice_protocol.found()
1926config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1927config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1928config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1929endif
1930config_host_data.set('CONFIG_SPICE', spice.found())
1931config_host_data.set('CONFIG_X11', x11.found())
1932config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1933config_host_data.set('CONFIG_CFI', get_option('cfi'))
1934config_host_data.set('CONFIG_SELINUX', selinux.found())
1935config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1936config_host_data.set('CONFIG_LIBDW', libdw.found())
1937if xen.found()
1938  # protect from xen.version() having less than three components
1939  xen_version = xen.version().split('.') + ['0', '0']
1940  xen_ctrl_version = xen_version[0] + \
1941    ('0' + xen_version[1]).substring(-2) + \
1942    ('0' + xen_version[2]).substring(-2)
1943  config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1944endif
1945config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1946config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1947config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1948config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1949
1950config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1951config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1952
1953have_coroutine_pool = get_option('coroutine_pool')
1954if get_option('debug_stack_usage') and have_coroutine_pool
1955  message('Disabling coroutine pool to measure stack usage')
1956  have_coroutine_pool = false
1957endif
1958config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1959config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1960config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1961config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1962config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1963config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1964config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
1965
1966# has_header
1967config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1968config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1969config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1970config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1971config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1972config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1973config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1974config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1975config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1976if targetos == 'windows'
1977  config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
1978endif
1979
1980# has_function
1981config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
1982config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1983config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1984config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1985config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1986config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1987# Note that we need to specify prefix: here to avoid incorrectly
1988# thinking that Windows has posix_memalign()
1989config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1990config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1991config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1992config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1993config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1994config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1995config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1996config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1997config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1998config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1999config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2000config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2001config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2002config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2003config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2004config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2005config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2006if rbd.found()
2007  config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2008                       cc.has_function('rbd_namespace_exists',
2009                                       dependencies: rbd,
2010                                       prefix: '#include <rbd/librbd.h>'))
2011endif
2012if rdma.found()
2013  config_host_data.set('HAVE_IBV_ADVISE_MR',
2014                       cc.has_function('ibv_advise_mr',
2015                                       dependencies: rdma,
2016                                       prefix: '#include <infiniband/verbs.h>'))
2017endif
2018
2019# has_header_symbol
2020config_host_data.set('CONFIG_EPOLL_CREATE1',
2021                     cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2022config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2023                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2024                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2025config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2026                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2027config_host_data.set('CONFIG_FIEMAP',
2028                     cc.has_header('linux/fiemap.h') and
2029                     cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2030config_host_data.set('CONFIG_GETRANDOM',
2031                     cc.has_function('getrandom') and
2032                     cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2033config_host_data.set('CONFIG_INOTIFY',
2034                     cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2035config_host_data.set('CONFIG_INOTIFY1',
2036                     cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2037config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2038                     cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2039config_host_data.set('CONFIG_RTNETLINK',
2040                     cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2041config_host_data.set('CONFIG_SYSMACROS',
2042                     cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2043config_host_data.set('HAVE_OPTRESET',
2044                     cc.has_header_symbol('getopt.h', 'optreset'))
2045config_host_data.set('HAVE_IPPROTO_MPTCP',
2046                     cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2047
2048# has_member
2049config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2050                     cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2051                                   prefix: '#include <signal.h>'))
2052config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2053                     cc.has_member('struct stat', 'st_atim',
2054                                   prefix: '#include <sys/stat.h>'))
2055
2056# has_type
2057config_host_data.set('CONFIG_IOVEC',
2058                     cc.has_type('struct iovec',
2059                                 prefix: '#include <sys/uio.h>'))
2060config_host_data.set('HAVE_UTMPX',
2061                     cc.has_type('struct utmpx',
2062                                 prefix: '#include <utmpx.h>'))
2063
2064config_host_data.set('CONFIG_EVENTFD', cc.links('''
2065  #include <sys/eventfd.h>
2066  int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2067config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2068  #include <unistd.h>
2069  int main(void) {
2070  #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2071  return fdatasync(0);
2072  #else
2073  #error Not supported
2074  #endif
2075  }'''))
2076
2077has_madvise = cc.links(gnu_source_prefix + '''
2078  #include <sys/types.h>
2079  #include <sys/mman.h>
2080  #include <stddef.h>
2081  int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2082missing_madvise_proto = false
2083if has_madvise
2084  # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2085  # but forget to prototype it. In this case, has_madvise will be true (the
2086  # test program links despite a compile warning). To detect the
2087  # missing-prototype case, we try again with a definitely-bogus prototype.
2088  # This will only compile if the system headers don't provide the prototype;
2089  # otherwise the conflicting prototypes will cause a compiler error.
2090  missing_madvise_proto = cc.links(gnu_source_prefix + '''
2091    #include <sys/types.h>
2092    #include <sys/mman.h>
2093    #include <stddef.h>
2094    extern int madvise(int);
2095    int main(void) { return madvise(0); }''')
2096endif
2097config_host_data.set('CONFIG_MADVISE', has_madvise)
2098config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2099
2100config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2101  #include <sys/mman.h>
2102  int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2103config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2104  #include <fcntl.h>
2105  #if !defined(AT_EMPTY_PATH)
2106  # error missing definition
2107  #else
2108  int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2109  #endif'''))
2110config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2111  #include <sys/mman.h>
2112  #include <stddef.h>
2113  int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2114
2115config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2116  #include <pthread.h>
2117
2118  static void *f(void *p) { return NULL; }
2119  int main(void)
2120  {
2121    pthread_t thread;
2122    pthread_create(&thread, 0, f, 0);
2123    pthread_setname_np(thread, "QEMU");
2124    return 0;
2125  }''', dependencies: threads))
2126config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2127  #include <pthread.h>
2128
2129  static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2130  int main(void)
2131  {
2132    pthread_t thread;
2133    pthread_create(&thread, 0, f, 0);
2134    return 0;
2135  }''', dependencies: threads))
2136config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2137  #include <pthread.h>
2138  #include <time.h>
2139
2140  int main(void)
2141  {
2142    pthread_condattr_t attr
2143    pthread_condattr_init(&attr);
2144    pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2145    return 0;
2146  }''', dependencies: threads))
2147config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2148  #include <pthread.h>
2149
2150  static void *f(void *p) { return NULL; }
2151  int main(void)
2152  {
2153    int setsize = CPU_ALLOC_SIZE(64);
2154    pthread_t thread;
2155    cpu_set_t *cpuset;
2156    pthread_create(&thread, 0, f, 0);
2157    cpuset = CPU_ALLOC(64);
2158    CPU_ZERO_S(setsize, cpuset);
2159    pthread_setaffinity_np(thread, setsize, cpuset);
2160    pthread_getaffinity_np(thread, setsize, cpuset);
2161    CPU_FREE(cpuset);
2162    return 0;
2163  }''', dependencies: threads))
2164config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2165  #include <sys/signalfd.h>
2166  #include <stddef.h>
2167  int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2168config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2169  #include <unistd.h>
2170  #include <fcntl.h>
2171  #include <limits.h>
2172
2173  int main(void)
2174  {
2175    int len, fd = 0;
2176    len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2177    splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2178    return 0;
2179  }'''))
2180
2181config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2182  #include <sys/mman.h>
2183  int main(void) {
2184    return mlockall(MCL_FUTURE);
2185  }'''))
2186
2187have_l2tpv3 = false
2188if get_option('l2tpv3').allowed() and have_system
2189  have_l2tpv3 = cc.has_type('struct mmsghdr',
2190    prefix: gnu_source_prefix + '''
2191      #include <sys/socket.h>
2192      #include <linux/ip.h>''')
2193endif
2194config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2195
2196have_netmap = false
2197if get_option('netmap').allowed() and have_system
2198  have_netmap = cc.compiles('''
2199    #include <inttypes.h>
2200    #include <net/if.h>
2201    #include <net/netmap.h>
2202    #include <net/netmap_user.h>
2203    #if (NETMAP_API < 11) || (NETMAP_API > 15)
2204    #error
2205    #endif
2206    int main(void) { return 0; }''')
2207  if not have_netmap and get_option('netmap').enabled()
2208    error('Netmap headers not available')
2209  endif
2210endif
2211config_host_data.set('CONFIG_NETMAP', have_netmap)
2212
2213# Work around a system header bug with some kernel/XFS header
2214# versions where they both try to define 'struct fsxattr':
2215# xfs headers will not try to redefine structs from linux headers
2216# if this macro is set.
2217config_host_data.set('HAVE_FSXATTR', cc.links('''
2218  #include <linux/fs.h>
2219  struct fsxattr foo;
2220  int main(void) {
2221    return 0;
2222  }'''))
2223
2224# Some versions of Mac OS X incorrectly define SIZE_MAX
2225config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2226    #include <stdint.h>
2227    #include <stdio.h>
2228    int main(void) {
2229        return printf("%zu", SIZE_MAX);
2230    }''', args: ['-Werror']))
2231
2232atomic_test = '''
2233  #include <stdint.h>
2234  int main(void)
2235  {
2236    @0@ x = 0, y = 0;
2237    y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2238    __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2239    __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2240    __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2241    __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2242    return 0;
2243  }'''
2244
2245# See if 64-bit atomic operations are supported.
2246# Note that without __atomic builtins, we can only
2247# assume atomic loads/stores max at pointer size.
2248config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2249
2250has_int128 = cc.links('''
2251  __int128_t a;
2252  __uint128_t b;
2253  int main (void) {
2254    a = a + b;
2255    b = a * b;
2256    a = a * a;
2257    return 0;
2258  }''')
2259
2260config_host_data.set('CONFIG_INT128', has_int128)
2261
2262if has_int128
2263  # "do we have 128-bit atomics which are handled inline and specifically not
2264  # via libatomic". The reason we can't use libatomic is documented in the
2265  # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2266  has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2267
2268  config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2269
2270  if not has_atomic128
2271    has_cmpxchg128 = cc.links('''
2272      int main(void)
2273      {
2274        unsigned __int128 x = 0, y = 0;
2275        __sync_val_compare_and_swap_16(&x, y, x);
2276        return 0;
2277      }
2278    ''')
2279
2280    config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2281  endif
2282endif
2283
2284config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2285  #include <sys/auxv.h>
2286  int main(void) {
2287    return getauxval(AT_HWCAP) == 0;
2288  }'''))
2289
2290config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2291  #include <linux/usbdevice_fs.h>
2292
2293  #ifndef USBDEVFS_GET_CAPABILITIES
2294  #error "USBDEVFS_GET_CAPABILITIES undefined"
2295  #endif
2296
2297  #ifndef USBDEVFS_DISCONNECT_CLAIM
2298  #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2299  #endif
2300
2301  int main(void) { return 0; }'''))
2302
2303have_keyring = get_option('keyring') \
2304  .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2305  .require(cc.compiles('''
2306    #include <errno.h>
2307    #include <asm/unistd.h>
2308    #include <linux/keyctl.h>
2309    #include <sys/syscall.h>
2310    #include <unistd.h>
2311    int main(void) {
2312        return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2313    }'''), error_message: 'keyctl syscall not available on this system').allowed()
2314config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2315
2316have_cpuid_h = cc.links('''
2317  #include <cpuid.h>
2318  int main(void) {
2319    unsigned a, b, c, d;
2320    unsigned max = __get_cpuid_max(0, 0);
2321
2322    if (max >= 1) {
2323        __cpuid(1, a, b, c, d);
2324    }
2325
2326    if (max >= 7) {
2327        __cpuid_count(7, 0, a, b, c, d);
2328    }
2329
2330    return 0;
2331  }''')
2332config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2333
2334config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2335  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2336  .require(cc.links('''
2337    #include <cpuid.h>
2338    #include <immintrin.h>
2339    static int __attribute__((target("avx2"))) bar(void *a) {
2340      __m256i x = *(__m256i *)a;
2341      return _mm256_testz_si256(x, x);
2342    }
2343    int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2344  '''), error_message: 'AVX2 not available').allowed())
2345
2346config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2347  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2348  .require(cc.links('''
2349    #include <cpuid.h>
2350    #include <immintrin.h>
2351    static int __attribute__((target("avx512f"))) bar(void *a) {
2352      __m512i x = *(__m512i *)a;
2353      return _mm512_test_epi64_mask(x, x);
2354    }
2355    int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2356  '''), error_message: 'AVX512F not available').allowed())
2357
2358config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2359  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2360  .require(cc.links('''
2361    #pragma GCC push_options
2362    #pragma GCC target("avx512bw")
2363    #include <cpuid.h>
2364    #include <immintrin.h>
2365    static int bar(void *a) {
2366
2367      __m512i *x = a;
2368      __m512i res= _mm512_abs_epi8(*x);
2369      return res[1];
2370    }
2371    int main(int argc, char *argv[]) { return bar(argv[0]); }
2372  '''), error_message: 'AVX512BW not available').allowed())
2373
2374have_pvrdma = get_option('pvrdma') \
2375  .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2376  .require(cc.compiles(gnu_source_prefix + '''
2377    #include <sys/mman.h>
2378    int main(void)
2379    {
2380      char buf = 0;
2381      void *addr = &buf;
2382      addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2383
2384      return 0;
2385    }'''), error_message: 'PVRDMA requires mremap').allowed()
2386
2387if have_pvrdma
2388  config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2389    #include <infiniband/verbs.h>
2390    int main(void)
2391    {
2392      struct ibv_mr *mr;
2393      struct ibv_pd *pd = NULL;
2394      size_t length = 10;
2395      uint64_t iova = 0;
2396      int access = 0;
2397      void *addr = NULL;
2398
2399      mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2400      ibv_dereg_mr(mr);
2401      return 0;
2402    }'''))
2403endif
2404
2405if get_option('membarrier').disabled()
2406  have_membarrier = false
2407elif targetos == 'windows'
2408  have_membarrier = true
2409elif targetos == 'linux'
2410  have_membarrier = cc.compiles('''
2411    #include <linux/membarrier.h>
2412    #include <sys/syscall.h>
2413    #include <unistd.h>
2414    #include <stdlib.h>
2415    int main(void) {
2416        syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2417        syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2418        exit(0);
2419    }''')
2420endif
2421config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2422  .require(have_membarrier, error_message: 'membarrier system call not available') \
2423  .allowed())
2424
2425have_afalg = get_option('crypto_afalg') \
2426  .require(cc.compiles(gnu_source_prefix + '''
2427    #include <errno.h>
2428    #include <sys/types.h>
2429    #include <sys/socket.h>
2430    #include <linux/if_alg.h>
2431    int main(void) {
2432      int sock;
2433      sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2434      return sock;
2435    }
2436  '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2437config_host_data.set('CONFIG_AF_ALG', have_afalg)
2438
2439config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2440  'linux/vm_sockets.h', 'AF_VSOCK',
2441  prefix: '#include <sys/socket.h>',
2442))
2443
2444have_vss = false
2445have_vss_sdk = false # old xp/2003 SDK
2446if targetos == 'windows' and link_language == 'cpp'
2447  have_vss = cxx.compiles('''
2448    #define __MIDL_user_allocate_free_DEFINED__
2449    #include <vss.h>
2450    int main(void) { return VSS_CTX_BACKUP; }''')
2451  have_vss_sdk = cxx.has_header('vscoordint.h')
2452endif
2453config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2454
2455foreach k, v: config_host
2456  if k.startswith('CONFIG_')
2457    config_host_data.set(k, v == 'y' ? 1 : v)
2458  endif
2459endforeach
2460
2461# Older versions of MinGW do not import _lock_file and _unlock_file properly.
2462# This was fixed for v6.0.0 with commit b48e3ac8969d.
2463if targetos == 'windows'
2464  config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2465    #include <stdio.h>
2466    int main(void) {
2467      _lock_file(NULL);
2468      _unlock_file(NULL);
2469      return 0;
2470    }''', name: '_lock_file and _unlock_file'))
2471endif
2472
2473########################
2474# Target configuration #
2475########################
2476
2477minikconf = find_program('scripts/minikconf.py')
2478config_all = {}
2479config_all_devices = {}
2480config_all_disas = {}
2481config_devices_mak_list = []
2482config_devices_h = {}
2483config_target_h = {}
2484config_target_mak = {}
2485
2486disassemblers = {
2487  'alpha' : ['CONFIG_ALPHA_DIS'],
2488  'avr' : ['CONFIG_AVR_DIS'],
2489  'cris' : ['CONFIG_CRIS_DIS'],
2490  'hexagon' : ['CONFIG_HEXAGON_DIS'],
2491  'hppa' : ['CONFIG_HPPA_DIS'],
2492  'i386' : ['CONFIG_I386_DIS'],
2493  'x86_64' : ['CONFIG_I386_DIS'],
2494  'm68k' : ['CONFIG_M68K_DIS'],
2495  'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2496  'mips' : ['CONFIG_MIPS_DIS'],
2497  'nios2' : ['CONFIG_NIOS2_DIS'],
2498  'or1k' : ['CONFIG_OPENRISC_DIS'],
2499  'ppc' : ['CONFIG_PPC_DIS'],
2500  'riscv' : ['CONFIG_RISCV_DIS'],
2501  'rx' : ['CONFIG_RX_DIS'],
2502  's390' : ['CONFIG_S390_DIS'],
2503  'sh4' : ['CONFIG_SH4_DIS'],
2504  'sparc' : ['CONFIG_SPARC_DIS'],
2505  'xtensa' : ['CONFIG_XTENSA_DIS'],
2506  'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2507}
2508
2509have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2510host_kconfig = \
2511  (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2512  (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2513  (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2514  (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2515  (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2516  (x11.found() ? ['CONFIG_X11=y'] : []) + \
2517  (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2518  (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2519  (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2520  (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2521  ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2522  (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2523  (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2524  (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2525
2526ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2527
2528default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2529actual_target_dirs = []
2530fdt_required = []
2531foreach target : target_dirs
2532  config_target = { 'TARGET_NAME': target.split('-')[0] }
2533  if target.endswith('linux-user')
2534    if targetos != 'linux'
2535      if default_targets
2536        continue
2537      endif
2538      error('Target @0@ is only available on a Linux host'.format(target))
2539    endif
2540    config_target += { 'CONFIG_LINUX_USER': 'y' }
2541  elif target.endswith('bsd-user')
2542    if 'CONFIG_BSD' not in config_host
2543      if default_targets
2544        continue
2545      endif
2546      error('Target @0@ is only available on a BSD host'.format(target))
2547    endif
2548    config_target += { 'CONFIG_BSD_USER': 'y' }
2549  elif target.endswith('softmmu')
2550    config_target += { 'CONFIG_SOFTMMU': 'y' }
2551  endif
2552  if target.endswith('-user')
2553    config_target += {
2554      'CONFIG_USER_ONLY': 'y',
2555      'CONFIG_QEMU_INTERP_PREFIX':
2556        get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2557    }
2558  endif
2559
2560  accel_kconfig = []
2561  foreach sym: accelerators
2562    if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2563      config_target += { sym: 'y' }
2564      config_all += { sym: 'y' }
2565      if target in modular_tcg
2566        config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2567      else
2568        config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2569      endif
2570      accel_kconfig += [ sym + '=y' ]
2571    endif
2572  endforeach
2573  if accel_kconfig.length() == 0
2574    if default_targets
2575      continue
2576    endif
2577    error('No accelerator available for target @0@'.format(target))
2578  endif
2579
2580  actual_target_dirs += target
2581  config_target += keyval.load('configs/targets' / target + '.mak')
2582  config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2583
2584  if 'TARGET_NEED_FDT' in config_target
2585    fdt_required += target
2586  endif
2587
2588  # Add default keys
2589  if 'TARGET_BASE_ARCH' not in config_target
2590    config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2591  endif
2592  if 'TARGET_ABI_DIR' not in config_target
2593    config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2594  endif
2595  if 'TARGET_BIG_ENDIAN' not in config_target
2596    config_target += {'TARGET_BIG_ENDIAN': 'n'}
2597  endif
2598
2599  foreach k, v: disassemblers
2600    if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2601      foreach sym: v
2602        config_target += { sym: 'y' }
2603        config_all_disas += { sym: 'y' }
2604      endforeach
2605    endif
2606  endforeach
2607
2608  config_target_data = configuration_data()
2609  foreach k, v: config_target
2610    if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2611      # do nothing
2612    elif ignored.contains(k)
2613      # do nothing
2614    elif k == 'TARGET_BASE_ARCH'
2615      # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2616      # not used to select files from sourcesets.
2617      config_target_data.set('TARGET_' + v.to_upper(), 1)
2618    elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2619      config_target_data.set_quoted(k, v)
2620    elif v == 'y'
2621      config_target_data.set(k, 1)
2622    elif v == 'n'
2623      config_target_data.set(k, 0)
2624    else
2625      config_target_data.set(k, v)
2626    endif
2627  endforeach
2628  config_target_data.set('QEMU_ARCH',
2629                         'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2630  config_target_h += {target: configure_file(output: target + '-config-target.h',
2631                                               configuration: config_target_data)}
2632
2633  if target.endswith('-softmmu')
2634    config_input = meson.get_external_property(target, 'default')
2635    config_devices_mak = target + '-config-devices.mak'
2636    config_devices_mak = configure_file(
2637      input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2638      output: config_devices_mak,
2639      depfile: config_devices_mak + '.d',
2640      capture: true,
2641      command: [minikconf,
2642                get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2643                config_devices_mak, '@DEPFILE@', '@INPUT@',
2644                host_kconfig, accel_kconfig,
2645                'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2646
2647    config_devices_data = configuration_data()
2648    config_devices = keyval.load(config_devices_mak)
2649    foreach k, v: config_devices
2650      config_devices_data.set(k, 1)
2651    endforeach
2652    config_devices_mak_list += config_devices_mak
2653    config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2654                                                configuration: config_devices_data)}
2655    config_target += config_devices
2656    config_all_devices += config_devices
2657  endif
2658  config_target_mak += {target: config_target}
2659endforeach
2660target_dirs = actual_target_dirs
2661
2662# This configuration is used to build files that are shared by
2663# multiple binaries, and then extracted out of the "common"
2664# static_library target.
2665#
2666# We do not use all_sources()/all_dependencies(), because it would
2667# build literally all source files, including devices only used by
2668# targets that are not built for this compilation.  The CONFIG_ALL
2669# pseudo symbol replaces it.
2670
2671config_all += config_all_devices
2672config_all += config_host
2673config_all += config_all_disas
2674config_all += {
2675  'CONFIG_XEN': xen.found(),
2676  'CONFIG_SOFTMMU': have_system,
2677  'CONFIG_USER_ONLY': have_user,
2678  'CONFIG_ALL': true,
2679}
2680
2681target_configs_h = []
2682foreach target: target_dirs
2683  target_configs_h += config_target_h[target]
2684  target_configs_h += config_devices_h.get(target, [])
2685endforeach
2686genh += custom_target('config-poison.h',
2687                      input: [target_configs_h],
2688                      output: 'config-poison.h',
2689                      capture: true,
2690                      command: [find_program('scripts/make-config-poison.sh'),
2691                                target_configs_h])
2692
2693##############
2694# Submodules #
2695##############
2696
2697capstone = not_found
2698if not get_option('capstone').auto() or have_system or have_user
2699  capstone = dependency('capstone', version: '>=3.0.5',
2700                        kwargs: static_kwargs, method: 'pkg-config',
2701                        required: get_option('capstone'))
2702
2703  # Some versions of capstone have broken pkg-config file
2704  # that reports a wrong -I path, causing the #include to
2705  # fail later. If the system has such a broken version
2706  # do not use it.
2707  if capstone.found() and not cc.compiles('#include <capstone.h>',
2708                                          dependencies: [capstone])
2709    capstone = not_found
2710    if get_option('capstone').enabled()
2711      error('capstone requested, but it does not appear to work')
2712    endif
2713  endif
2714endif
2715
2716libvfio_user_dep = not_found
2717if have_system and vfio_user_server_allowed
2718  have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2719
2720  if not have_internal
2721    error('libvfio-user source not found - please pull git submodule')
2722  endif
2723
2724  libvfio_user_proj = subproject('libvfio-user')
2725
2726  libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2727
2728  libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2729endif
2730
2731fdt = not_found
2732if have_system
2733  fdt_opt = get_option('fdt')
2734  if fdt_opt in ['enabled', 'auto', 'system']
2735    have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2736    fdt = cc.find_library('fdt', kwargs: static_kwargs,
2737                          required: fdt_opt == 'system' or
2738                                    fdt_opt == 'enabled' and not have_internal)
2739    if fdt.found() and cc.links('''
2740       #include <libfdt.h>
2741       #include <libfdt_env.h>
2742       int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2743         dependencies: fdt)
2744      fdt_opt = 'system'
2745    elif fdt_opt == 'system'
2746       error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2747    elif have_internal
2748      fdt_opt = 'internal'
2749    else
2750      fdt_opt = 'disabled'
2751      fdt = not_found
2752    endif
2753  endif
2754  if fdt_opt == 'internal'
2755    fdt_files = files(
2756      'dtc/libfdt/fdt.c',
2757      'dtc/libfdt/fdt_ro.c',
2758      'dtc/libfdt/fdt_wip.c',
2759      'dtc/libfdt/fdt_sw.c',
2760      'dtc/libfdt/fdt_rw.c',
2761      'dtc/libfdt/fdt_strerror.c',
2762      'dtc/libfdt/fdt_empty_tree.c',
2763      'dtc/libfdt/fdt_addresses.c',
2764      'dtc/libfdt/fdt_overlay.c',
2765      'dtc/libfdt/fdt_check.c',
2766    )
2767
2768    fdt_inc = include_directories('dtc/libfdt')
2769    libfdt = static_library('fdt',
2770                            build_by_default: false,
2771                            sources: fdt_files,
2772                            include_directories: fdt_inc)
2773    fdt = declare_dependency(link_with: libfdt,
2774                             include_directories: fdt_inc)
2775  endif
2776else
2777  fdt_opt = 'disabled'
2778endif
2779if not fdt.found() and fdt_required.length() > 0
2780  error('fdt not available but required by targets ' + ', '.join(fdt_required))
2781endif
2782
2783config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2784config_host_data.set('CONFIG_FDT', fdt.found())
2785config_host_data.set('CONFIG_SLIRP', slirp.found())
2786
2787#####################
2788# Generated sources #
2789#####################
2790
2791genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2792
2793hxtool = find_program('scripts/hxtool')
2794shaderinclude = find_program('scripts/shaderinclude.py')
2795qapi_gen = find_program('scripts/qapi-gen.py')
2796qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2797                     meson.current_source_dir() / 'scripts/qapi/commands.py',
2798                     meson.current_source_dir() / 'scripts/qapi/common.py',
2799                     meson.current_source_dir() / 'scripts/qapi/error.py',
2800                     meson.current_source_dir() / 'scripts/qapi/events.py',
2801                     meson.current_source_dir() / 'scripts/qapi/expr.py',
2802                     meson.current_source_dir() / 'scripts/qapi/gen.py',
2803                     meson.current_source_dir() / 'scripts/qapi/introspect.py',
2804                     meson.current_source_dir() / 'scripts/qapi/parser.py',
2805                     meson.current_source_dir() / 'scripts/qapi/schema.py',
2806                     meson.current_source_dir() / 'scripts/qapi/source.py',
2807                     meson.current_source_dir() / 'scripts/qapi/types.py',
2808                     meson.current_source_dir() / 'scripts/qapi/visit.py',
2809                     meson.current_source_dir() / 'scripts/qapi/common.py',
2810                     meson.current_source_dir() / 'scripts/qapi-gen.py'
2811]
2812
2813tracetool = [
2814  python, files('scripts/tracetool.py'),
2815   '--backend=' + ','.join(get_option('trace_backends'))
2816]
2817tracetool_depends = files(
2818  'scripts/tracetool/backend/log.py',
2819  'scripts/tracetool/backend/__init__.py',
2820  'scripts/tracetool/backend/dtrace.py',
2821  'scripts/tracetool/backend/ftrace.py',
2822  'scripts/tracetool/backend/simple.py',
2823  'scripts/tracetool/backend/syslog.py',
2824  'scripts/tracetool/backend/ust.py',
2825  'scripts/tracetool/format/ust_events_c.py',
2826  'scripts/tracetool/format/ust_events_h.py',
2827  'scripts/tracetool/format/__init__.py',
2828  'scripts/tracetool/format/d.py',
2829  'scripts/tracetool/format/simpletrace_stap.py',
2830  'scripts/tracetool/format/c.py',
2831  'scripts/tracetool/format/h.py',
2832  'scripts/tracetool/format/log_stap.py',
2833  'scripts/tracetool/format/stap.py',
2834  'scripts/tracetool/__init__.py',
2835  'scripts/tracetool/transform.py',
2836  'scripts/tracetool/vcpu.py'
2837)
2838
2839qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2840                    meson.current_source_dir(),
2841                    get_option('pkgversion'), meson.project_version()]
2842qemu_version = custom_target('qemu-version.h',
2843                             output: 'qemu-version.h',
2844                             command: qemu_version_cmd,
2845                             capture: true,
2846                             build_by_default: true,
2847                             build_always_stale: true)
2848genh += qemu_version
2849
2850hxdep = []
2851hx_headers = [
2852  ['qemu-options.hx', 'qemu-options.def'],
2853  ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2854]
2855if have_system
2856  hx_headers += [
2857    ['hmp-commands.hx', 'hmp-commands.h'],
2858    ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2859  ]
2860endif
2861foreach d : hx_headers
2862  hxdep += custom_target(d[1],
2863                input: files(d[0]),
2864                output: d[1],
2865                capture: true,
2866                build_by_default: true, # to be removed when added to a target
2867                command: [hxtool, '-h', '@INPUT0@'])
2868endforeach
2869genh += hxdep
2870
2871###################
2872# Collect sources #
2873###################
2874
2875authz_ss = ss.source_set()
2876blockdev_ss = ss.source_set()
2877block_ss = ss.source_set()
2878chardev_ss = ss.source_set()
2879common_ss = ss.source_set()
2880crypto_ss = ss.source_set()
2881hwcore_ss = ss.source_set()
2882io_ss = ss.source_set()
2883qmp_ss = ss.source_set()
2884qom_ss = ss.source_set()
2885softmmu_ss = ss.source_set()
2886specific_fuzz_ss = ss.source_set()
2887specific_ss = ss.source_set()
2888stub_ss = ss.source_set()
2889trace_ss = ss.source_set()
2890user_ss = ss.source_set()
2891util_ss = ss.source_set()
2892
2893# accel modules
2894qtest_module_ss = ss.source_set()
2895tcg_module_ss = ss.source_set()
2896
2897modules = {}
2898target_modules = {}
2899hw_arch = {}
2900target_arch = {}
2901target_softmmu_arch = {}
2902target_user_arch = {}
2903
2904###############
2905# Trace files #
2906###############
2907
2908# TODO: add each directory to the subdirs from its own meson.build, once
2909# we have those
2910trace_events_subdirs = [
2911  'crypto',
2912  'qapi',
2913  'qom',
2914  'monitor',
2915  'util',
2916  'gdbstub',
2917]
2918if have_linux_user
2919  trace_events_subdirs += [ 'linux-user' ]
2920endif
2921if have_bsd_user
2922  trace_events_subdirs += [ 'bsd-user' ]
2923endif
2924if have_block
2925  trace_events_subdirs += [
2926    'authz',
2927    'block',
2928    'io',
2929    'nbd',
2930    'scsi',
2931  ]
2932endif
2933if have_system
2934  trace_events_subdirs += [
2935    'accel/kvm',
2936    'audio',
2937    'backends',
2938    'backends/tpm',
2939    'chardev',
2940    'ebpf',
2941    'hw/9pfs',
2942    'hw/acpi',
2943    'hw/adc',
2944    'hw/alpha',
2945    'hw/arm',
2946    'hw/audio',
2947    'hw/block',
2948    'hw/block/dataplane',
2949    'hw/char',
2950    'hw/display',
2951    'hw/dma',
2952    'hw/hyperv',
2953    'hw/i2c',
2954    'hw/i386',
2955    'hw/i386/xen',
2956    'hw/ide',
2957    'hw/input',
2958    'hw/intc',
2959    'hw/isa',
2960    'hw/mem',
2961    'hw/mips',
2962    'hw/misc',
2963    'hw/misc/macio',
2964    'hw/net',
2965    'hw/net/can',
2966    'hw/nubus',
2967    'hw/nvme',
2968    'hw/nvram',
2969    'hw/pci',
2970    'hw/pci-host',
2971    'hw/ppc',
2972    'hw/rdma',
2973    'hw/rdma/vmw',
2974    'hw/rtc',
2975    'hw/s390x',
2976    'hw/scsi',
2977    'hw/sd',
2978    'hw/sh4',
2979    'hw/sparc',
2980    'hw/sparc64',
2981    'hw/ssi',
2982    'hw/timer',
2983    'hw/tpm',
2984    'hw/usb',
2985    'hw/vfio',
2986    'hw/virtio',
2987    'hw/watchdog',
2988    'hw/xen',
2989    'hw/gpio',
2990    'migration',
2991    'net',
2992    'softmmu',
2993    'ui',
2994    'hw/remote',
2995  ]
2996endif
2997if have_system or have_user
2998  trace_events_subdirs += [
2999    'accel/tcg',
3000    'hw/core',
3001    'target/arm',
3002    'target/arm/hvf',
3003    'target/hppa',
3004    'target/i386',
3005    'target/i386/kvm',
3006    'target/mips/tcg',
3007    'target/nios2',
3008    'target/ppc',
3009    'target/riscv',
3010    'target/s390x',
3011    'target/s390x/kvm',
3012    'target/sparc',
3013  ]
3014endif
3015
3016vhost_user = not_found
3017if targetos == 'linux' and have_vhost_user
3018  libvhost_user = subproject('libvhost-user')
3019  vhost_user = libvhost_user.get_variable('vhost_user_dep')
3020endif
3021
3022libvduse = not_found
3023if have_libvduse
3024  libvduse_proj = subproject('libvduse')
3025  libvduse = libvduse_proj.get_variable('libvduse_dep')
3026endif
3027
3028# NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3029# that is filled in by qapi/.
3030subdir('qapi')
3031subdir('qobject')
3032subdir('stubs')
3033subdir('trace')
3034subdir('util')
3035subdir('qom')
3036subdir('authz')
3037subdir('crypto')
3038subdir('ui')
3039subdir('hw')
3040subdir('gdbstub')
3041
3042
3043if enable_modules
3044  libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3045  modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3046endif
3047
3048qom_ss = qom_ss.apply(config_host, strict: false)
3049libqom = static_library('qom', qom_ss.sources() + genh,
3050                        dependencies: [qom_ss.dependencies()],
3051                        name_suffix: 'fa')
3052qom = declare_dependency(link_whole: libqom)
3053
3054event_loop_base = files('event-loop-base.c')
3055event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3056                                 build_by_default: true)
3057event_loop_base = declare_dependency(link_whole: event_loop_base,
3058                                     dependencies: [qom])
3059
3060stub_ss = stub_ss.apply(config_all, strict: false)
3061
3062util_ss.add_all(trace_ss)
3063util_ss = util_ss.apply(config_all, strict: false)
3064libqemuutil = static_library('qemuutil',
3065                             sources: util_ss.sources() + stub_ss.sources() + genh,
3066                             dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3067qemuutil = declare_dependency(link_with: libqemuutil,
3068                              sources: genh + version_res,
3069                              dependencies: [event_loop_base])
3070
3071if have_system or have_user
3072  decodetree = generator(find_program('scripts/decodetree.py'),
3073                         output: 'decode-@BASENAME@.c.inc',
3074                         arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3075  subdir('libdecnumber')
3076  subdir('target')
3077endif
3078
3079subdir('audio')
3080subdir('io')
3081subdir('chardev')
3082subdir('fsdev')
3083subdir('dump')
3084
3085if have_block
3086  block_ss.add(files(
3087    'block.c',
3088    'blockjob.c',
3089    'job.c',
3090    'qemu-io-cmds.c',
3091  ))
3092  if config_host_data.get('CONFIG_REPLICATION')
3093    block_ss.add(files('replication.c'))
3094  endif
3095
3096  subdir('nbd')
3097  subdir('scsi')
3098  subdir('block')
3099
3100  blockdev_ss.add(files(
3101    'blockdev.c',
3102    'blockdev-nbd.c',
3103    'iothread.c',
3104    'job-qmp.c',
3105  ), gnutls)
3106
3107  # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3108  # os-win32.c does not
3109  blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3110  softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3111endif
3112
3113common_ss.add(files('cpus-common.c'))
3114
3115subdir('softmmu')
3116
3117common_ss.add(capstone)
3118specific_ss.add(files('cpu.c', 'disas.c'), capstone)
3119
3120# Work around a gcc bug/misfeature wherein constant propagation looks
3121# through an alias:
3122#   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3123# to guess that a const variable is always zero.  Without lto, this is
3124# impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3125# without lto, not even the alias is required -- we simply use different
3126# declarations in different compilation units.
3127pagevary = files('page-vary-common.c')
3128if get_option('b_lto')
3129  pagevary_flags = ['-fno-lto']
3130  if get_option('cfi')
3131    pagevary_flags += '-fno-sanitize=cfi-icall'
3132  endif
3133  pagevary = static_library('page-vary-common', sources: pagevary + genh,
3134                            c_args: pagevary_flags)
3135  pagevary = declare_dependency(link_with: pagevary)
3136endif
3137common_ss.add(pagevary)
3138specific_ss.add(files('page-vary.c'))
3139
3140subdir('backends')
3141subdir('disas')
3142subdir('migration')
3143subdir('monitor')
3144subdir('net')
3145subdir('replay')
3146subdir('semihosting')
3147subdir('stats')
3148subdir('tcg')
3149subdir('fpu')
3150subdir('accel')
3151subdir('plugins')
3152subdir('ebpf')
3153
3154common_user_inc = []
3155
3156subdir('common-user')
3157subdir('bsd-user')
3158subdir('linux-user')
3159
3160# needed for fuzzing binaries
3161subdir('tests/qtest/libqos')
3162subdir('tests/qtest/fuzz')
3163
3164# accel modules
3165tcg_real_module_ss = ss.source_set()
3166tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3167specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3168target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3169                                'tcg': tcg_real_module_ss }}
3170
3171########################
3172# Library dependencies #
3173########################
3174
3175modinfo_collect = find_program('scripts/modinfo-collect.py')
3176modinfo_generate = find_program('scripts/modinfo-generate.py')
3177modinfo_files = []
3178
3179block_mods = []
3180softmmu_mods = []
3181foreach d, list : modules
3182  foreach m, module_ss : list
3183    if enable_modules and targetos != 'windows'
3184      module_ss = module_ss.apply(config_all, strict: false)
3185      sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3186                          dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3187      if d == 'block'
3188        block_mods += sl
3189      else
3190        softmmu_mods += sl
3191      endif
3192      if module_ss.sources() != []
3193        # FIXME: Should use sl.extract_all_objects(recursive: true) as
3194        # input. Sources can be used multiple times but objects are
3195        # unique when it comes to lookup in compile_commands.json.
3196        # Depnds on a mesion version with
3197        # https://github.com/mesonbuild/meson/pull/8900
3198        modinfo_files += custom_target(d + '-' + m + '.modinfo',
3199                                       output: d + '-' + m + '.modinfo',
3200                                       input: module_ss.sources() + genh,
3201                                       capture: true,
3202                                       command: [modinfo_collect, module_ss.sources()])
3203      endif
3204    else
3205      if d == 'block'
3206        block_ss.add_all(module_ss)
3207      else
3208        softmmu_ss.add_all(module_ss)
3209      endif
3210    endif
3211  endforeach
3212endforeach
3213
3214foreach d, list : target_modules
3215  foreach m, module_ss : list
3216    if enable_modules and targetos != 'windows'
3217      foreach target : target_dirs
3218        if target.endswith('-softmmu')
3219          config_target = config_target_mak[target]
3220          config_target += config_host
3221          target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3222          c_args = ['-DNEED_CPU_H',
3223                    '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3224                    '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3225          target_module_ss = module_ss.apply(config_target, strict: false)
3226          if target_module_ss.sources() != []
3227            module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3228            sl = static_library(module_name,
3229                                [genh, target_module_ss.sources()],
3230                                dependencies: [modulecommon, target_module_ss.dependencies()],
3231                                include_directories: target_inc,
3232                                c_args: c_args,
3233                                pic: true)
3234            softmmu_mods += sl
3235            # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3236            modinfo_files += custom_target(module_name + '.modinfo',
3237                                           output: module_name + '.modinfo',
3238                                           input: target_module_ss.sources() + genh,
3239                                           capture: true,
3240                                           command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3241          endif
3242        endif
3243      endforeach
3244    else
3245      specific_ss.add_all(module_ss)
3246    endif
3247  endforeach
3248endforeach
3249
3250if enable_modules
3251  foreach target : target_dirs
3252    if target.endswith('-softmmu')
3253      config_target = config_target_mak[target]
3254      config_devices_mak = target + '-config-devices.mak'
3255      modinfo_src = custom_target('modinfo-' + target + '.c',
3256                                  output: 'modinfo-' + target + '.c',
3257                                  input: modinfo_files,
3258                                  command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3259                                  capture: true)
3260
3261      modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3262      modinfo_dep = declare_dependency(link_with: modinfo_lib)
3263
3264      arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3265      hw_arch[arch].add(modinfo_dep)
3266    endif
3267  endforeach
3268endif
3269
3270nm = find_program('nm')
3271undefsym = find_program('scripts/undefsym.py')
3272block_syms = custom_target('block.syms', output: 'block.syms',
3273                             input: [libqemuutil, block_mods],
3274                             capture: true,
3275                             command: [undefsym, nm, '@INPUT@'])
3276qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3277                             input: [libqemuutil, softmmu_mods],
3278                             capture: true,
3279                             command: [undefsym, nm, '@INPUT@'])
3280
3281authz_ss = authz_ss.apply(config_host, strict: false)
3282libauthz = static_library('authz', authz_ss.sources() + genh,
3283                          dependencies: [authz_ss.dependencies()],
3284                          name_suffix: 'fa',
3285                          build_by_default: false)
3286
3287authz = declare_dependency(link_whole: libauthz,
3288                           dependencies: qom)
3289
3290crypto_ss = crypto_ss.apply(config_host, strict: false)
3291libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3292                           dependencies: [crypto_ss.dependencies()],
3293                           name_suffix: 'fa',
3294                           build_by_default: false)
3295
3296crypto = declare_dependency(link_whole: libcrypto,
3297                            dependencies: [authz, qom])
3298
3299io_ss = io_ss.apply(config_host, strict: false)
3300libio = static_library('io', io_ss.sources() + genh,
3301                       dependencies: [io_ss.dependencies()],
3302                       link_with: libqemuutil,
3303                       name_suffix: 'fa',
3304                       build_by_default: false)
3305
3306io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3307
3308libmigration = static_library('migration', sources: migration_files + genh,
3309                              name_suffix: 'fa',
3310                              build_by_default: false)
3311migration = declare_dependency(link_with: libmigration,
3312                               dependencies: [zlib, qom, io])
3313softmmu_ss.add(migration)
3314
3315block_ss = block_ss.apply(config_host, strict: false)
3316libblock = static_library('block', block_ss.sources() + genh,
3317                          dependencies: block_ss.dependencies(),
3318                          link_depends: block_syms,
3319                          name_suffix: 'fa',
3320                          build_by_default: false)
3321
3322block = declare_dependency(link_whole: [libblock],
3323                           link_args: '@block.syms',
3324                           dependencies: [crypto, io])
3325
3326blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3327libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3328                             dependencies: blockdev_ss.dependencies(),
3329                             name_suffix: 'fa',
3330                             build_by_default: false)
3331
3332blockdev = declare_dependency(link_whole: [libblockdev],
3333                              dependencies: [block, event_loop_base])
3334
3335qmp_ss = qmp_ss.apply(config_host, strict: false)
3336libqmp = static_library('qmp', qmp_ss.sources() + genh,
3337                        dependencies: qmp_ss.dependencies(),
3338                        name_suffix: 'fa',
3339                        build_by_default: false)
3340
3341qmp = declare_dependency(link_whole: [libqmp])
3342
3343libchardev = static_library('chardev', chardev_ss.sources() + genh,
3344                            name_suffix: 'fa',
3345                            dependencies: chardev_ss.dependencies(),
3346                            build_by_default: false)
3347
3348chardev = declare_dependency(link_whole: libchardev)
3349
3350hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3351libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3352                           name_suffix: 'fa',
3353                           build_by_default: false)
3354hwcore = declare_dependency(link_whole: libhwcore)
3355common_ss.add(hwcore)
3356
3357###########
3358# Targets #
3359###########
3360
3361emulator_modules = []
3362foreach m : block_mods + softmmu_mods
3363  emulator_modules += shared_module(m.name(),
3364                build_by_default: true,
3365                name_prefix: '',
3366                link_whole: m,
3367                install: true,
3368                install_dir: qemu_moddir)
3369endforeach
3370if emulator_modules.length() > 0
3371  alias_target('modules', emulator_modules)
3372endif
3373
3374softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3375common_ss.add(qom, qemuutil)
3376
3377common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3378common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3379
3380common_all = common_ss.apply(config_all, strict: false)
3381common_all = static_library('common',
3382                            build_by_default: false,
3383                            sources: common_all.sources() + genh,
3384                            include_directories: common_user_inc,
3385                            implicit_include_directories: false,
3386                            dependencies: common_all.dependencies(),
3387                            name_suffix: 'fa')
3388
3389feature_to_c = find_program('scripts/feature_to_c.sh')
3390
3391if targetos == 'darwin'
3392  entitlement = find_program('scripts/entitlement.sh')
3393endif
3394
3395emulators = {}
3396foreach target : target_dirs
3397  config_target = config_target_mak[target]
3398  target_name = config_target['TARGET_NAME']
3399  target_base_arch = config_target['TARGET_BASE_ARCH']
3400  arch_srcs = [config_target_h[target]]
3401  arch_deps = []
3402  c_args = ['-DNEED_CPU_H',
3403            '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3404            '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3405  link_args = emulator_link_args
3406
3407  config_target += config_host
3408  target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3409  if targetos == 'linux'
3410    target_inc += include_directories('linux-headers', is_system: true)
3411  endif
3412  if target.endswith('-softmmu')
3413    target_type='system'
3414    t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3415    arch_srcs += t.sources()
3416    arch_deps += t.dependencies()
3417
3418    hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3419    hw = hw_arch[hw_dir].apply(config_target, strict: false)
3420    arch_srcs += hw.sources()
3421    arch_deps += hw.dependencies()
3422
3423    arch_srcs += config_devices_h[target]
3424    link_args += ['@block.syms', '@qemu.syms']
3425  else
3426    abi = config_target['TARGET_ABI_DIR']
3427    target_type='user'
3428    target_inc += common_user_inc
3429    if target_base_arch in target_user_arch
3430      t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3431      arch_srcs += t.sources()
3432      arch_deps += t.dependencies()
3433    endif
3434    if 'CONFIG_LINUX_USER' in config_target
3435      base_dir = 'linux-user'
3436    endif
3437    if 'CONFIG_BSD_USER' in config_target
3438      base_dir = 'bsd-user'
3439      target_inc += include_directories('bsd-user/' / targetos)
3440      target_inc += include_directories('bsd-user/host/' / host_arch)
3441      dir = base_dir / abi
3442      arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3443    endif
3444    target_inc += include_directories(
3445      base_dir,
3446      base_dir / abi,
3447    )
3448    if 'CONFIG_LINUX_USER' in config_target
3449      dir = base_dir / abi
3450      arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3451      if config_target.has_key('TARGET_SYSTBL_ABI')
3452        arch_srcs += \
3453          syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3454                                             extra_args : config_target['TARGET_SYSTBL_ABI'])
3455      endif
3456    endif
3457  endif
3458
3459  if 'TARGET_XML_FILES' in config_target
3460    gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3461                                output: target + '-gdbstub-xml.c',
3462                                input: files(config_target['TARGET_XML_FILES'].split()),
3463                                command: [feature_to_c, '@INPUT@'],
3464                                capture: true)
3465    arch_srcs += gdbstub_xml
3466  endif
3467
3468  t = target_arch[target_base_arch].apply(config_target, strict: false)
3469  arch_srcs += t.sources()
3470  arch_deps += t.dependencies()
3471
3472  target_common = common_ss.apply(config_target, strict: false)
3473  objects = common_all.extract_objects(target_common.sources())
3474  deps = target_common.dependencies()
3475
3476  target_specific = specific_ss.apply(config_target, strict: false)
3477  arch_srcs += target_specific.sources()
3478  arch_deps += target_specific.dependencies()
3479
3480  lib = static_library('qemu-' + target,
3481                 sources: arch_srcs + genh,
3482                 dependencies: arch_deps,
3483                 objects: objects,
3484                 include_directories: target_inc,
3485                 c_args: c_args,
3486                 build_by_default: false,
3487                 name_suffix: 'fa')
3488
3489  if target.endswith('-softmmu')
3490    execs = [{
3491      'name': 'qemu-system-' + target_name,
3492      'win_subsystem': 'console',
3493      'sources': files('softmmu/main.c'),
3494      'dependencies': []
3495    }]
3496    if targetos == 'windows' and (sdl.found() or gtk.found())
3497      execs += [{
3498        'name': 'qemu-system-' + target_name + 'w',
3499        'win_subsystem': 'windows',
3500        'sources': files('softmmu/main.c'),
3501        'dependencies': []
3502      }]
3503    endif
3504    if get_option('fuzzing')
3505      specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3506      execs += [{
3507        'name': 'qemu-fuzz-' + target_name,
3508        'win_subsystem': 'console',
3509        'sources': specific_fuzz.sources(),
3510        'dependencies': specific_fuzz.dependencies(),
3511      }]
3512    endif
3513  else
3514    execs = [{
3515      'name': 'qemu-' + target_name,
3516      'win_subsystem': 'console',
3517      'sources': [],
3518      'dependencies': []
3519    }]
3520  endif
3521  foreach exe: execs
3522    exe_name = exe['name']
3523    if targetos == 'darwin'
3524      exe_name += '-unsigned'
3525    endif
3526
3527    emulator = executable(exe_name, exe['sources'],
3528               install: true,
3529               c_args: c_args,
3530               dependencies: arch_deps + deps + exe['dependencies'],
3531               objects: lib.extract_all_objects(recursive: true),
3532               link_language: link_language,
3533               link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3534               link_args: link_args,
3535               win_subsystem: exe['win_subsystem'])
3536
3537    if targetos == 'darwin'
3538      icon = 'pc-bios/qemu.rsrc'
3539      build_input = [emulator, files(icon)]
3540      install_input = [
3541        get_option('bindir') / exe_name,
3542        meson.current_source_dir() / icon
3543      ]
3544      if 'CONFIG_HVF' in config_target
3545        entitlements = 'accel/hvf/entitlements.plist'
3546        build_input += files(entitlements)
3547        install_input += meson.current_source_dir() / entitlements
3548      endif
3549
3550      emulators += {exe['name'] : custom_target(exe['name'],
3551                   input: build_input,
3552                   output: exe['name'],
3553                   command: [entitlement, '@OUTPUT@', '@INPUT@'])
3554      }
3555
3556      meson.add_install_script(entitlement, '--install',
3557                               get_option('bindir') / exe['name'],
3558                               install_input)
3559    else
3560      emulators += {exe['name']: emulator}
3561    endif
3562
3563    if stap.found()
3564      foreach stp: [
3565        {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3566        {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3567        {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3568        {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3569      ]
3570        custom_target(exe['name'] + stp['ext'],
3571                      input: trace_events_all,
3572                      output: exe['name'] + stp['ext'],
3573                      install: stp['install'],
3574                      install_dir: get_option('datadir') / 'systemtap/tapset',
3575                      command: [
3576                        tracetool, '--group=all', '--format=' + stp['fmt'],
3577                        '--binary=' + stp['bin'],
3578                        '--target-name=' + target_name,
3579                        '--target-type=' + target_type,
3580                        '--probe-prefix=qemu.' + target_type + '.' + target_name,
3581                        '@INPUT@', '@OUTPUT@'
3582                      ],
3583                      depend_files: tracetool_depends)
3584      endforeach
3585    endif
3586  endforeach
3587endforeach
3588
3589# Other build targets
3590
3591if 'CONFIG_PLUGIN' in config_host
3592  install_headers('include/qemu/qemu-plugin.h')
3593endif
3594
3595subdir('qga')
3596
3597# Don't build qemu-keymap if xkbcommon is not explicitly enabled
3598# when we don't build tools or system
3599if xkbcommon.found()
3600  # used for the update-keymaps target, so include rules even if !have_tools
3601  qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3602                           dependencies: [qemuutil, xkbcommon], install: have_tools)
3603endif
3604
3605if have_tools
3606  qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3607             dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3608  qemu_io = executable('qemu-io', files('qemu-io.c'),
3609             dependencies: [block, qemuutil], install: true)
3610  qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3611               dependencies: [blockdev, qemuutil, gnutls, selinux],
3612               install: true)
3613
3614  subdir('storage-daemon')
3615  subdir('contrib/rdmacm-mux')
3616  subdir('contrib/elf2dmp')
3617
3618  executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3619             dependencies: qemuutil,
3620             install: true)
3621
3622  if have_vhost_user
3623    subdir('contrib/vhost-user-blk')
3624    subdir('contrib/vhost-user-gpu')
3625    subdir('contrib/vhost-user-input')
3626    subdir('contrib/vhost-user-scsi')
3627  endif
3628
3629  if targetos == 'linux'
3630    executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3631               dependencies: [qemuutil, libcap_ng],
3632               install: true,
3633               install_dir: get_option('libexecdir'))
3634
3635    executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3636               dependencies: [authz, crypto, io, qom, qemuutil,
3637                              libcap_ng, mpathpersist],
3638               install: true)
3639  endif
3640
3641  if have_ivshmem
3642    subdir('contrib/ivshmem-client')
3643    subdir('contrib/ivshmem-server')
3644  endif
3645endif
3646
3647subdir('scripts')
3648subdir('tools')
3649subdir('pc-bios')
3650subdir('docs')
3651subdir('tests')
3652if gtk.found()
3653  subdir('po')
3654endif
3655
3656if host_machine.system() == 'windows'
3657  nsis_cmd = [
3658    find_program('scripts/nsis.py'),
3659    '@OUTPUT@',
3660    get_option('prefix'),
3661    meson.current_source_dir(),
3662    config_host['GLIB_BINDIR'],
3663    host_machine.cpu(),
3664    '--',
3665    '-DDISPLAYVERSION=' + meson.project_version(),
3666  ]
3667  if build_docs
3668    nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3669  endif
3670  if gtk.found()
3671    nsis_cmd += '-DCONFIG_GTK=y'
3672  endif
3673
3674  nsis = custom_target('nsis',
3675                       output: 'qemu-setup-' + meson.project_version() + '.exe',
3676                       input: files('qemu.nsi'),
3677                       build_always_stale: true,
3678                       command: nsis_cmd + ['@INPUT@'])
3679  alias_target('installer', nsis)
3680endif
3681
3682#########################
3683# Configuration summary #
3684#########################
3685
3686# Directories
3687summary_info = {}
3688summary_info += {'Install prefix':    get_option('prefix')}
3689summary_info += {'BIOS directory':    qemu_datadir}
3690pathsep = targetos == 'windows' ? ';' : ':'
3691summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
3692summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3693summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3694summary_info += {'module directory':  qemu_moddir}
3695summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3696summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3697summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3698if targetos != 'windows'
3699  summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3700  summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3701else
3702  summary_info += {'local state directory': 'queried at runtime'}
3703endif
3704summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3705summary_info += {'Build directory':   meson.current_build_dir()}
3706summary_info += {'Source path':       meson.current_source_dir()}
3707summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3708summary(summary_info, bool_yn: true, section: 'Directories')
3709
3710# Host binaries
3711summary_info = {}
3712summary_info += {'git':               config_host['GIT']}
3713summary_info += {'make':              config_host['MAKE']}
3714summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3715summary_info += {'sphinx-build':      sphinx_build}
3716if config_host.has_key('HAVE_GDB_BIN')
3717  summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3718endif
3719summary_info += {'iasl':              iasl}
3720summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3721if targetos == 'windows' and have_ga
3722  summary_info += {'wixl':            wixl}
3723endif
3724if slirp.found() and have_system
3725  summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3726endif
3727summary(summary_info, bool_yn: true, section: 'Host binaries')
3728
3729# Configurable features
3730summary_info = {}
3731summary_info += {'Documentation':     build_docs}
3732summary_info += {'system-mode emulation': have_system}
3733summary_info += {'user-mode emulation': have_user}
3734summary_info += {'block layer':       have_block}
3735summary_info += {'Install blobs':     get_option('install_blobs')}
3736summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3737if config_host.has_key('CONFIG_MODULES')
3738  summary_info += {'alternative module path': get_option('module_upgrades')}
3739endif
3740summary_info += {'fuzzing support':   get_option('fuzzing')}
3741if have_system
3742  summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3743endif
3744summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3745if 'simple' in get_option('trace_backends')
3746  summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3747endif
3748summary_info += {'D-Bus display':     dbus_display}
3749summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3750summary_info += {'vhost-kernel support': have_vhost_kernel}
3751summary_info += {'vhost-net support': have_vhost_net}
3752summary_info += {'vhost-user support': have_vhost_user}
3753summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3754summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3755summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3756summary_info += {'build guest agent': have_ga}
3757summary(summary_info, bool_yn: true, section: 'Configurable features')
3758
3759# Compilation information
3760summary_info = {}
3761summary_info += {'host CPU':          cpu}
3762summary_info += {'host endianness':   build_machine.endian()}
3763summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3764summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3765if link_language == 'cpp'
3766  summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3767else
3768  summary_info += {'C++ compiler':      false}
3769endif
3770if targetos == 'darwin'
3771  summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3772endif
3773option_cflags = (get_option('debug') ? ['-g'] : [])
3774if get_option('optimization') != 'plain'
3775  option_cflags += ['-O' + get_option('optimization')]
3776endif
3777summary_info += {'CFLAGS':            ' '.join(get_option('c_args') + option_cflags)}
3778if link_language == 'cpp'
3779  summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args') + option_cflags)}
3780endif
3781if targetos == 'darwin'
3782  summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args') + option_cflags)}
3783endif
3784link_args = get_option(link_language + '_link_args')
3785if link_args.length() > 0
3786  summary_info += {'LDFLAGS':         ' '.join(link_args)}
3787endif
3788summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3789if 'cpp' in all_languages
3790  summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3791endif
3792if 'objc' in all_languages
3793  summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3794endif
3795summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3796summary_info += {'profiler':          get_option('profiler')}
3797summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3798summary_info += {'PIE':               get_option('b_pie')}
3799summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3800summary_info += {'malloc trim support': has_malloc_trim}
3801summary_info += {'membarrier':        have_membarrier}
3802summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3803summary_info += {'mutex debugging':   get_option('debug_mutex')}
3804summary_info += {'memory allocator':  get_option('malloc')}
3805summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3806summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
3807summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3808if get_option('gprof')
3809  gprof_info = 'YES (deprecated)'
3810else
3811  gprof_info = get_option('gprof')
3812endif
3813summary_info += {'gprof':             gprof_info}
3814summary_info += {'gcov':              get_option('b_coverage')}
3815summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3816summary_info += {'CFI support':       get_option('cfi')}
3817if get_option('cfi')
3818  summary_info += {'CFI debug support': get_option('cfi_debug')}
3819endif
3820summary_info += {'strip binaries':    get_option('strip')}
3821summary_info += {'sparse':            sparse}
3822summary_info += {'mingw32 support':   targetos == 'windows'}
3823summary(summary_info, bool_yn: true, section: 'Compilation')
3824
3825# snarf the cross-compilation information for tests
3826summary_info = {}
3827have_cross = false
3828foreach target: target_dirs
3829  tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
3830  if fs.exists(tcg_mak)
3831    config_cross_tcg = keyval.load(tcg_mak)
3832    if 'CC' in config_cross_tcg
3833      summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3834      have_cross = true
3835    endif
3836  endif
3837endforeach
3838if have_cross
3839  summary(summary_info, bool_yn: true, section: 'Cross compilers')
3840endif
3841
3842# Targets and accelerators
3843summary_info = {}
3844if have_system
3845  summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3846  summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3847  summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3848  summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3849  summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3850  summary_info += {'Xen support':       xen.found()}
3851  if xen.found()
3852    summary_info += {'xen ctrl version':  xen.version()}
3853  endif
3854endif
3855summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3856if config_all.has_key('CONFIG_TCG')
3857  if get_option('tcg_interpreter')
3858    summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3859  else
3860    summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3861  endif
3862  summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3863  summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3864endif
3865summary_info += {'target list':       ' '.join(target_dirs)}
3866if have_system
3867  summary_info += {'default devices':   get_option('default_devices')}
3868  summary_info += {'out of process emulation': multiprocess_allowed}
3869  summary_info += {'vfio-user server': vfio_user_server_allowed}
3870endif
3871summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3872
3873# Block layer
3874summary_info = {}
3875summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3876summary_info += {'coroutine pool':    have_coroutine_pool}
3877if have_block
3878  summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3879  summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3880  summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3881  summary_info += {'VirtFS support':    have_virtfs}
3882  summary_info += {'build virtiofs daemon': have_virtiofsd}
3883  summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3884  summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3885  summary_info += {'bochs support':     get_option('bochs').allowed()}
3886  summary_info += {'cloop support':     get_option('cloop').allowed()}
3887  summary_info += {'dmg support':       get_option('dmg').allowed()}
3888  summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3889  summary_info += {'vdi support':       get_option('vdi').allowed()}
3890  summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3891  summary_info += {'qed support':       get_option('qed').allowed()}
3892  summary_info += {'parallels support': get_option('parallels').allowed()}
3893  summary_info += {'FUSE exports':      fuse}
3894  summary_info += {'VDUSE block exports': have_vduse_blk_export}
3895endif
3896summary(summary_info, bool_yn: true, section: 'Block layer support')
3897
3898# Crypto
3899summary_info = {}
3900summary_info += {'TLS priority':      get_option('tls_priority')}
3901summary_info += {'GNUTLS support':    gnutls}
3902if gnutls.found()
3903  summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3904endif
3905summary_info += {'libgcrypt':         gcrypt}
3906summary_info += {'nettle':            nettle}
3907if nettle.found()
3908   summary_info += {'  XTS':             xts != 'private'}
3909endif
3910summary_info += {'AF_ALG support':    have_afalg}
3911summary_info += {'rng-none':          get_option('rng_none')}
3912summary_info += {'Linux keyring':     have_keyring}
3913summary(summary_info, bool_yn: true, section: 'Crypto')
3914
3915# Libraries
3916summary_info = {}
3917if targetos == 'darwin'
3918  summary_info += {'Cocoa support':           cocoa}
3919  summary_info += {'vmnet.framework support': vmnet}
3920endif
3921summary_info += {'SDL support':       sdl}
3922summary_info += {'SDL image support': sdl_image}
3923summary_info += {'GTK support':       gtk}
3924summary_info += {'pixman':            pixman}
3925summary_info += {'VTE support':       vte}
3926summary_info += {'slirp support':     slirp}
3927summary_info += {'libtasn1':          tasn1}
3928summary_info += {'PAM':               pam}
3929summary_info += {'iconv support':     iconv}
3930summary_info += {'curses support':    curses}
3931summary_info += {'virgl support':     virgl}
3932summary_info += {'blkio support':     blkio}
3933summary_info += {'curl support':      curl}
3934summary_info += {'Multipath support': mpathpersist}
3935summary_info += {'PNG support':       png}
3936summary_info += {'VNC support':       vnc}
3937if vnc.found()
3938  summary_info += {'VNC SASL support':  sasl}
3939  summary_info += {'VNC JPEG support':  jpeg}
3940endif
3941if targetos not in ['darwin', 'haiku', 'windows']
3942  summary_info += {'OSS support':     oss}
3943  summary_info += {'sndio support':   sndio}
3944elif targetos == 'darwin'
3945  summary_info += {'CoreAudio support': coreaudio}
3946elif targetos == 'windows'
3947  summary_info += {'DirectSound support': dsound}
3948endif
3949if targetos == 'linux'
3950  summary_info += {'ALSA support':    alsa}
3951  summary_info += {'PulseAudio support': pulse}
3952endif
3953summary_info += {'JACK support':      jack}
3954summary_info += {'brlapi support':    brlapi}
3955summary_info += {'vde support':       vde}
3956summary_info += {'netmap support':    have_netmap}
3957summary_info += {'l2tpv3 support':    have_l2tpv3}
3958summary_info += {'Linux AIO support': libaio}
3959summary_info += {'Linux io_uring support': linux_io_uring}
3960summary_info += {'ATTR/XATTR support': libattr}
3961summary_info += {'RDMA support':      rdma}
3962summary_info += {'PVRDMA support':    have_pvrdma}
3963summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3964summary_info += {'libcap-ng support': libcap_ng}
3965summary_info += {'bpf support':       libbpf}
3966summary_info += {'spice protocol support': spice_protocol}
3967if spice_protocol.found()
3968  summary_info += {'  spice server support': spice}
3969endif
3970summary_info += {'rbd support':       rbd}
3971summary_info += {'smartcard support': cacard}
3972summary_info += {'U2F support':       u2f}
3973summary_info += {'libusb':            libusb}
3974summary_info += {'usb net redir':     usbredir}
3975summary_info += {'OpenGL support (epoxy)': opengl}
3976summary_info += {'GBM':               gbm}
3977summary_info += {'libiscsi support':  libiscsi}
3978summary_info += {'libnfs support':    libnfs}
3979if targetos == 'windows'
3980  if have_ga
3981    summary_info += {'QGA VSS support':   have_qga_vss}
3982  endif
3983endif
3984summary_info += {'seccomp support':   seccomp}
3985summary_info += {'GlusterFS support': glusterfs}
3986summary_info += {'TPM support':       have_tpm}
3987summary_info += {'libssh support':    libssh}
3988summary_info += {'lzo support':       lzo}
3989summary_info += {'snappy support':    snappy}
3990summary_info += {'bzip2 support':     libbzip2}
3991summary_info += {'lzfse support':     liblzfse}
3992summary_info += {'zstd support':      zstd}
3993summary_info += {'NUMA host support': numa}
3994summary_info += {'capstone':          capstone}
3995summary_info += {'libpmem support':   libpmem}
3996summary_info += {'libdaxctl support': libdaxctl}
3997summary_info += {'libudev':           libudev}
3998# Dummy dependency, keep .found()
3999summary_info += {'FUSE lseek':        fuse_lseek.found()}
4000summary_info += {'selinux':           selinux}
4001summary_info += {'libdw':             libdw}
4002summary(summary_info, bool_yn: true, section: 'Dependencies')
4003
4004if not supported_cpus.contains(cpu)
4005  message()
4006  warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4007  message()
4008  message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4009  message('The QEMU project intends to remove support for this host CPU in')
4010  message('a future release if nobody volunteers to maintain it and to')
4011  message('provide a build host for our continuous integration setup.')
4012  message('configure has succeeded and you can continue to build, but')
4013  message('if you care about QEMU on this platform you should contact')
4014  message('us upstream at qemu-devel@nongnu.org.')
4015endif
4016
4017if not supported_oses.contains(targetos)
4018  message()
4019  warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4020  message()
4021  message('Host OS ' + targetos + 'support is not currently maintained.')
4022  message('The QEMU project intends to remove support for this host OS in')
4023  message('a future release if nobody volunteers to maintain it and to')
4024  message('provide a build host for our continuous integration setup.')
4025  message('configure has succeeded and you can continue to build, but')
4026  message('if you care about QEMU on this platform you should contact')
4027  message('us upstream at qemu-devel@nongnu.org.')
4028endif
4029