xref: /openbmc/qemu/meson.build (revision 7c10cb38ccb86a0e56fff32bb348aa4b34e17e10)
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: '>=0.12.3',
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: '>=0.12.5',
752                     required: get_option('spice'),
753                     method: 'pkg-config', kwargs: static_kwargs)
754endif
755spice_headers = spice.partial_dependency(compile_args: true, includes: true)
756
757rt = cc.find_library('rt', required: false)
758
759libiscsi = not_found
760if not get_option('libiscsi').auto() or have_block
761  libiscsi = dependency('libiscsi', version: '>=1.9.0',
762                         required: get_option('libiscsi'),
763                         method: 'pkg-config', kwargs: static_kwargs)
764endif
765zstd = not_found
766if not get_option('zstd').auto() or have_block
767  zstd = dependency('libzstd', version: '>=1.4.0',
768                    required: get_option('zstd'),
769                    method: 'pkg-config', kwargs: static_kwargs)
770endif
771virgl = not_found
772
773have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
774if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
775  virgl = dependency('virglrenderer',
776                     method: 'pkg-config',
777                     required: get_option('virglrenderer'),
778                     kwargs: static_kwargs)
779endif
780blkio = not_found
781if not get_option('blkio').auto() or have_block
782  blkio = dependency('blkio',
783                     method: 'pkg-config',
784                     required: get_option('blkio'),
785                     kwargs: static_kwargs)
786endif
787curl = not_found
788if not get_option('curl').auto() or have_block
789  curl = dependency('libcurl', version: '>=7.29.0',
790                    method: 'pkg-config',
791                    required: get_option('curl'),
792                    kwargs: static_kwargs)
793endif
794libudev = not_found
795if targetos == 'linux' and (have_system or have_tools)
796  libudev = dependency('libudev',
797                       method: 'pkg-config',
798                       required: get_option('libudev'),
799                       kwargs: static_kwargs)
800endif
801
802mpathlibs = [libudev]
803mpathpersist = not_found
804mpathpersist_new_api = false
805if targetos == 'linux' and have_tools and get_option('mpath').allowed()
806  mpath_test_source_new = '''
807    #include <libudev.h>
808    #include <mpath_persist.h>
809    unsigned mpath_mx_alloc_len = 1024;
810    int logsink;
811    static struct config *multipath_conf;
812    extern struct udev *udev;
813    extern struct config *get_multipath_config(void);
814    extern void put_multipath_config(struct config *conf);
815    struct udev *udev;
816    struct config *get_multipath_config(void) { return multipath_conf; }
817    void put_multipath_config(struct config *conf) { }
818    int main(void) {
819        udev = udev_new();
820        multipath_conf = mpath_lib_init();
821        return 0;
822    }'''
823  mpath_test_source_old = '''
824      #include <libudev.h>
825      #include <mpath_persist.h>
826      unsigned mpath_mx_alloc_len = 1024;
827      int logsink;
828      int main(void) {
829          struct udev *udev = udev_new();
830          mpath_lib_init(udev);
831          return 0;
832      }'''
833  libmpathpersist = cc.find_library('mpathpersist',
834                                    required: get_option('mpath'),
835                                    kwargs: static_kwargs)
836  if libmpathpersist.found()
837    mpathlibs += libmpathpersist
838    if enable_static
839      mpathlibs += cc.find_library('devmapper',
840                                     required: get_option('mpath'),
841                                     kwargs: static_kwargs)
842    endif
843    mpathlibs += cc.find_library('multipath',
844                                 required: get_option('mpath'),
845                                 kwargs: static_kwargs)
846    foreach lib: mpathlibs
847      if not lib.found()
848        mpathlibs = []
849        break
850      endif
851    endforeach
852    if mpathlibs.length() == 0
853      msg = 'Dependencies missing for libmpathpersist'
854    elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
855      mpathpersist = declare_dependency(dependencies: mpathlibs)
856      mpathpersist_new_api = true
857    elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
858      mpathpersist = declare_dependency(dependencies: mpathlibs)
859    else
860      msg = 'Cannot detect libmpathpersist API'
861    endif
862    if not mpathpersist.found()
863      if get_option('mpath').enabled()
864        error(msg)
865      else
866        warning(msg + ', disabling')
867      endif
868    endif
869  endif
870endif
871
872iconv = not_found
873curses = not_found
874if have_system and get_option('curses').allowed()
875  curses_test = '''
876    #if defined(__APPLE__) || defined(__OpenBSD__)
877    #define _XOPEN_SOURCE_EXTENDED 1
878    #endif
879    #include <locale.h>
880    #include <curses.h>
881    #include <wchar.h>
882    int main(void) {
883      wchar_t wch = L'w';
884      setlocale(LC_ALL, "");
885      resize_term(0, 0);
886      addwstr(L"wide chars\n");
887      addnwstr(&wch, 1);
888      add_wch(WACS_DEGREE);
889      return 0;
890    }'''
891
892  curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
893  curses = dependency(curses_dep_list,
894                      required: false,
895                      method: 'pkg-config',
896                      kwargs: static_kwargs)
897  msg = get_option('curses').enabled() ? 'curses library not found' : ''
898  curses_compile_args = ['-DNCURSES_WIDECHAR=1']
899  if curses.found()
900    if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
901      curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
902    else
903      msg = 'curses package not usable'
904      curses = not_found
905    endif
906  endif
907  if not curses.found()
908    has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
909    if targetos != 'windows' and not has_curses_h
910      message('Trying with /usr/include/ncursesw')
911      curses_compile_args += ['-I/usr/include/ncursesw']
912      has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
913    endif
914    if has_curses_h
915      curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
916      foreach curses_libname : curses_libname_list
917        libcurses = cc.find_library(curses_libname,
918                                    required: false,
919                                    kwargs: static_kwargs)
920        if libcurses.found()
921          if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
922            curses = declare_dependency(compile_args: curses_compile_args,
923                                        dependencies: [libcurses])
924            break
925          else
926            msg = 'curses library not usable'
927          endif
928        endif
929      endforeach
930    endif
931  endif
932  if get_option('iconv').allowed()
933    foreach link_args : [ ['-liconv'], [] ]
934      # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
935      # We need to use libiconv if available because mixing libiconv's headers with
936      # the system libc does not work.
937      # However, without adding glib to the dependencies -L/usr/local/lib will not be
938      # included in the command line and libiconv will not be found.
939      if cc.links('''
940        #include <iconv.h>
941        int main(void) {
942          iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
943          return conv != (iconv_t) -1;
944        }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
945        iconv = declare_dependency(link_args: link_args, dependencies: glib)
946        break
947      endif
948    endforeach
949  endif
950  if curses.found() and not iconv.found()
951    if get_option('iconv').enabled()
952      error('iconv not available')
953    endif
954    msg = 'iconv required for curses UI but not available'
955    curses = not_found
956  endif
957  if not curses.found() and msg != ''
958    if get_option('curses').enabled()
959      error(msg)
960    else
961      warning(msg + ', disabling')
962    endif
963  endif
964endif
965
966brlapi = not_found
967if not get_option('brlapi').auto() or have_system
968  brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
969                         required: get_option('brlapi'),
970                         kwargs: static_kwargs)
971  if brlapi.found() and not cc.links('''
972     #include <brlapi.h>
973     #include <stddef.h>
974     int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
975    brlapi = not_found
976    if get_option('brlapi').enabled()
977      error('could not link brlapi')
978    else
979      warning('could not link brlapi, disabling')
980    endif
981  endif
982endif
983
984sdl = not_found
985if not get_option('sdl').auto() or have_system
986  sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
987  sdl_image = not_found
988endif
989if sdl.found()
990  # work around 2.0.8 bug
991  sdl = declare_dependency(compile_args: '-Wno-undef',
992                           dependencies: sdl)
993  sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
994                         method: 'pkg-config', kwargs: static_kwargs)
995else
996  if get_option('sdl_image').enabled()
997    error('sdl-image required, but SDL was @0@'.format(
998          get_option('sdl').disabled() ? 'disabled' : 'not found'))
999  endif
1000  sdl_image = not_found
1001endif
1002
1003rbd = not_found
1004if not get_option('rbd').auto() or have_block
1005  librados = cc.find_library('rados', required: get_option('rbd'),
1006                             kwargs: static_kwargs)
1007  librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1008                           required: get_option('rbd'),
1009                           kwargs: static_kwargs)
1010  if librados.found() and librbd.found()
1011    if cc.links('''
1012      #include <stdio.h>
1013      #include <rbd/librbd.h>
1014      int main(void) {
1015        rados_t cluster;
1016        rados_create(&cluster, NULL);
1017        #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1018        #error
1019        #endif
1020        return 0;
1021      }''', dependencies: [librbd, librados])
1022      rbd = declare_dependency(dependencies: [librbd, librados])
1023    elif get_option('rbd').enabled()
1024      error('librbd >= 1.12.0 required')
1025    else
1026      warning('librbd >= 1.12.0 not found, disabling')
1027    endif
1028  endif
1029endif
1030
1031glusterfs = not_found
1032glusterfs_ftruncate_has_stat = false
1033glusterfs_iocb_has_stat = false
1034if not get_option('glusterfs').auto() or have_block
1035  glusterfs = dependency('glusterfs-api', version: '>=3',
1036                         required: get_option('glusterfs'),
1037                         method: 'pkg-config', kwargs: static_kwargs)
1038  if glusterfs.found()
1039    glusterfs_ftruncate_has_stat = cc.links('''
1040      #include <glusterfs/api/glfs.h>
1041
1042      int
1043      main(void)
1044      {
1045          /* new glfs_ftruncate() passes two additional args */
1046          return glfs_ftruncate(NULL, 0, NULL, NULL);
1047      }
1048    ''', dependencies: glusterfs)
1049    glusterfs_iocb_has_stat = cc.links('''
1050      #include <glusterfs/api/glfs.h>
1051
1052      /* new glfs_io_cbk() passes two additional glfs_stat structs */
1053      static void
1054      glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1055      {}
1056
1057      int
1058      main(void)
1059      {
1060          glfs_io_cbk iocb = &glusterfs_iocb;
1061          iocb(NULL, 0 , NULL, NULL, NULL);
1062          return 0;
1063      }
1064    ''', dependencies: glusterfs)
1065  endif
1066endif
1067
1068libssh = not_found
1069if not get_option('libssh').auto() or have_block
1070  libssh = dependency('libssh', version: '>=0.8.7',
1071                    method: 'pkg-config',
1072                    required: get_option('libssh'),
1073                    kwargs: static_kwargs)
1074endif
1075
1076libbzip2 = not_found
1077if not get_option('bzip2').auto() or have_block
1078  libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1079                             required: get_option('bzip2'),
1080                             kwargs: static_kwargs)
1081  if libbzip2.found() and not cc.links('''
1082     #include <bzlib.h>
1083     int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1084    libbzip2 = not_found
1085    if get_option('bzip2').enabled()
1086      error('could not link libbzip2')
1087    else
1088      warning('could not link libbzip2, disabling')
1089    endif
1090  endif
1091endif
1092
1093liblzfse = not_found
1094if not get_option('lzfse').auto() or have_block
1095  liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1096                             required: get_option('lzfse'),
1097                             kwargs: static_kwargs)
1098endif
1099if liblzfse.found() and not cc.links('''
1100   #include <lzfse.h>
1101   int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1102  liblzfse = not_found
1103  if get_option('lzfse').enabled()
1104    error('could not link liblzfse')
1105  else
1106    warning('could not link liblzfse, disabling')
1107  endif
1108endif
1109
1110oss = not_found
1111if get_option('oss').allowed() and have_system
1112  if not cc.has_header('sys/soundcard.h')
1113    # not found
1114  elif targetos == 'netbsd'
1115    oss = cc.find_library('ossaudio', required: get_option('oss'),
1116                          kwargs: static_kwargs)
1117  else
1118    oss = declare_dependency()
1119  endif
1120
1121  if not oss.found()
1122    if get_option('oss').enabled()
1123      error('OSS not found')
1124    endif
1125  endif
1126endif
1127dsound = not_found
1128if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1129  if cc.has_header('dsound.h')
1130    dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1131  endif
1132
1133  if not dsound.found()
1134    if get_option('dsound').enabled()
1135      error('DirectSound not found')
1136    endif
1137  endif
1138endif
1139
1140coreaudio = not_found
1141if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1142  coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1143                         required: get_option('coreaudio'))
1144endif
1145
1146opengl = not_found
1147if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1148  epoxy = dependency('epoxy', method: 'pkg-config',
1149                      required: get_option('opengl'), kwargs: static_kwargs)
1150  if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1151    opengl = epoxy
1152  elif get_option('opengl').enabled()
1153    error('epoxy/egl.h not found')
1154  endif
1155endif
1156gbm = not_found
1157if (have_system or have_tools) and (virgl.found() or opengl.found())
1158  gbm = dependency('gbm', method: 'pkg-config', required: false,
1159                   kwargs: static_kwargs)
1160endif
1161have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1162
1163gnutls = not_found
1164gnutls_crypto = not_found
1165if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1166  # For general TLS support our min gnutls matches
1167  # that implied by our platform support matrix
1168  #
1169  # For the crypto backends, we look for a newer
1170  # gnutls:
1171  #
1172  #   Version 3.6.8  is needed to get XTS
1173  #   Version 3.6.13 is needed to get PBKDF
1174  #   Version 3.6.14 is needed to get HW accelerated XTS
1175  #
1176  # If newer enough gnutls isn't available, we can
1177  # still use a different crypto backend to satisfy
1178  # the platform support requirements
1179  gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1180                             method: 'pkg-config',
1181                             required: false,
1182                             kwargs: static_kwargs)
1183  if gnutls_crypto.found()
1184    gnutls = gnutls_crypto
1185  else
1186    # Our min version if all we need is TLS
1187    gnutls = dependency('gnutls', version: '>=3.5.18',
1188                        method: 'pkg-config',
1189                        required: get_option('gnutls'),
1190                        kwargs: static_kwargs)
1191  endif
1192endif
1193
1194# We prefer use of gnutls for crypto, unless the options
1195# explicitly asked for nettle or gcrypt.
1196#
1197# If gnutls isn't available for crypto, then we'll prefer
1198# gcrypt over nettle for performance reasons.
1199gcrypt = not_found
1200nettle = not_found
1201hogweed = not_found
1202xts = 'none'
1203
1204if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1205  error('Only one of gcrypt & nettle can be enabled')
1206endif
1207
1208# Explicit nettle/gcrypt request, so ignore gnutls for crypto
1209if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1210  gnutls_crypto = not_found
1211endif
1212
1213if not gnutls_crypto.found()
1214  if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1215    gcrypt = dependency('libgcrypt', version: '>=1.8',
1216                        method: 'config-tool',
1217                        required: get_option('gcrypt'),
1218                        kwargs: static_kwargs)
1219    # Debian has removed -lgpg-error from libgcrypt-config
1220    # as it "spreads unnecessary dependencies" which in
1221    # turn breaks static builds...
1222    if gcrypt.found() and enable_static
1223      gcrypt = declare_dependency(dependencies: [
1224        gcrypt,
1225        cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1226    endif
1227  endif
1228  if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1229    nettle = dependency('nettle', version: '>=3.4',
1230                        method: 'pkg-config',
1231                        required: get_option('nettle'),
1232                        kwargs: static_kwargs)
1233    if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1234      xts = 'private'
1235    endif
1236  endif
1237endif
1238
1239gmp = dependency('gmp', required: false, method: 'pkg-config', kwargs: static_kwargs)
1240if nettle.found() and gmp.found()
1241  hogweed = dependency('hogweed', version: '>=3.4',
1242                       method: 'pkg-config',
1243                       required: get_option('nettle'),
1244                       kwargs: static_kwargs)
1245endif
1246
1247
1248gtk = not_found
1249gtkx11 = not_found
1250vte = not_found
1251have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1252
1253if not get_option('gtk').auto() or have_system
1254  gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1255                   method: 'pkg-config',
1256                   required: get_option('gtk'),
1257                   kwargs: static_kwargs)
1258  if gtk.found()
1259    gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1260                        method: 'pkg-config',
1261                        required: false,
1262                        kwargs: static_kwargs)
1263    gtk = declare_dependency(dependencies: [gtk, gtkx11])
1264
1265    if not get_option('vte').auto() or have_system
1266      vte = dependency('vte-2.91',
1267                       method: 'pkg-config',
1268                       required: get_option('vte'),
1269                       kwargs: static_kwargs)
1270    endif
1271  elif have_gtk_clipboard
1272    error('GTK clipboard requested, but GTK not found')
1273  endif
1274endif
1275
1276x11 = not_found
1277if gtkx11.found()
1278  x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1279                   kwargs: static_kwargs)
1280endif
1281png = not_found
1282if get_option('png').allowed() and have_system
1283   png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1284                    method: 'pkg-config', kwargs: static_kwargs)
1285endif
1286vnc = not_found
1287jpeg = not_found
1288sasl = not_found
1289if get_option('vnc').allowed() and have_system
1290  vnc = declare_dependency() # dummy dependency
1291  jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1292                    method: 'pkg-config', kwargs: static_kwargs)
1293  sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1294                         required: get_option('vnc_sasl'),
1295                         kwargs: static_kwargs)
1296  if sasl.found()
1297    sasl = declare_dependency(dependencies: sasl,
1298                              compile_args: '-DSTRUCT_IOVEC_DEFINED')
1299  endif
1300endif
1301
1302pam = not_found
1303if not get_option('auth_pam').auto() or have_system
1304  pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1305                        required: get_option('auth_pam'),
1306                        kwargs: static_kwargs)
1307endif
1308if pam.found() and not cc.links('''
1309   #include <stddef.h>
1310   #include <security/pam_appl.h>
1311   int main(void) {
1312     const char *service_name = "qemu";
1313     const char *user = "frank";
1314     const struct pam_conv pam_conv = { 0 };
1315     pam_handle_t *pamh = NULL;
1316     pam_start(service_name, user, &pam_conv, &pamh);
1317     return 0;
1318   }''', dependencies: pam)
1319  pam = not_found
1320  if get_option('auth_pam').enabled()
1321    error('could not link libpam')
1322  else
1323    warning('could not link libpam, disabling')
1324  endif
1325endif
1326
1327snappy = not_found
1328if not get_option('snappy').auto() or have_system
1329  snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1330                           required: get_option('snappy'),
1331                           kwargs: static_kwargs)
1332endif
1333if snappy.found() and not linker.links('''
1334   #include <snappy-c.h>
1335   int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1336  snappy = not_found
1337  if get_option('snappy').enabled()
1338    error('could not link libsnappy')
1339  else
1340    warning('could not link libsnappy, disabling')
1341  endif
1342endif
1343
1344lzo = not_found
1345if not get_option('lzo').auto() or have_system
1346  lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1347                        required: get_option('lzo'),
1348                        kwargs: static_kwargs)
1349endif
1350if lzo.found() and not cc.links('''
1351   #include <lzo/lzo1x.h>
1352   int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1353  lzo = not_found
1354  if get_option('lzo').enabled()
1355    error('could not link liblzo2')
1356  else
1357    warning('could not link liblzo2, disabling')
1358  endif
1359endif
1360
1361numa = not_found
1362if not get_option('numa').auto() or have_system or have_tools
1363  numa = cc.find_library('numa', has_headers: ['numa.h'],
1364                              required: get_option('numa'),
1365                              kwargs: static_kwargs)
1366endif
1367if numa.found() and not cc.links('''
1368   #include <numa.h>
1369   int main(void) { return numa_available(); }
1370   ''', dependencies: numa)
1371  numa = not_found
1372  if get_option('numa').enabled()
1373    error('could not link numa')
1374  else
1375    warning('could not link numa, disabling')
1376  endif
1377endif
1378
1379rdma = not_found
1380if not get_option('rdma').auto() or have_system
1381  libumad = cc.find_library('ibumad', required: get_option('rdma'))
1382  rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1383                               required: get_option('rdma'),
1384                               kwargs: static_kwargs),
1385               cc.find_library('ibverbs', required: get_option('rdma'),
1386                               kwargs: static_kwargs),
1387               libumad]
1388  rdma = declare_dependency(dependencies: rdma_libs)
1389  foreach lib: rdma_libs
1390    if not lib.found()
1391      rdma = not_found
1392    endif
1393  endforeach
1394endif
1395
1396xen = not_found
1397if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1398  xencontrol = dependency('xencontrol', required: false,
1399                          method: 'pkg-config', kwargs: static_kwargs)
1400  if xencontrol.found()
1401    xen_pc = declare_dependency(version: xencontrol.version(),
1402      dependencies: [
1403        xencontrol,
1404        # disabler: true makes xen_pc.found() return false if any is not found
1405        dependency('xenstore', required: false,
1406                   method: 'pkg-config', kwargs: static_kwargs,
1407                   disabler: true),
1408        dependency('xenforeignmemory', required: false,
1409                   method: 'pkg-config', kwargs: static_kwargs,
1410                   disabler: true),
1411        dependency('xengnttab', required: false,
1412                   method: 'pkg-config', kwargs: static_kwargs,
1413                   disabler: true),
1414        dependency('xenevtchn', required: false,
1415                   method: 'pkg-config', kwargs: static_kwargs,
1416                   disabler: true),
1417        dependency('xendevicemodel', required: false,
1418                   method: 'pkg-config', kwargs: static_kwargs,
1419                   disabler: true),
1420        # optional, no "disabler: true"
1421        dependency('xentoolcore', required: false,
1422                   method: 'pkg-config', kwargs: static_kwargs)])
1423    if xen_pc.found()
1424      xen = xen_pc
1425    endif
1426  endif
1427  if not xen.found()
1428    xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1', '4.6.0', '4.5.0', '4.2.0' ]
1429    xen_libs = {
1430      '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1431      '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1432      '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1433      '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1434      '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1435      '4.6.0': [ 'xenstore', 'xenctrl' ],
1436      '4.5.0': [ 'xenstore', 'xenctrl' ],
1437      '4.2.0': [ 'xenstore', 'xenctrl' ],
1438    }
1439    xen_deps = {}
1440    foreach ver: xen_tests
1441      # cache the various library tests to avoid polluting the logs
1442      xen_test_deps = []
1443      foreach l: xen_libs[ver]
1444        if l not in xen_deps
1445          xen_deps += { l: cc.find_library(l, required: false) }
1446        endif
1447        xen_test_deps += xen_deps[l]
1448      endforeach
1449
1450      # Use -D to pick just one of the test programs in scripts/xen-detect.c
1451      xen_version = ver.split('.')
1452      xen_ctrl_version = xen_version[0] + \
1453        ('0' + xen_version[1]).substring(-2) + \
1454        ('0' + xen_version[2]).substring(-2)
1455      if cc.links(files('scripts/xen-detect.c'),
1456                  args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1457                  dependencies: xen_test_deps)
1458        xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1459        break
1460      endif
1461    endforeach
1462  endif
1463  if xen.found()
1464    accelerators += 'CONFIG_XEN'
1465  elif get_option('xen').enabled()
1466    error('could not compile and link Xen test program')
1467  endif
1468endif
1469have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1470  .require(xen.found(),
1471           error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1472  .require(targetos == 'linux',
1473           error_message: 'Xen PCI passthrough not available on this platform') \
1474  .allowed()
1475
1476
1477cacard = not_found
1478if not get_option('smartcard').auto() or have_system
1479  cacard = dependency('libcacard', required: get_option('smartcard'),
1480                      version: '>=2.5.1', method: 'pkg-config',
1481                      kwargs: static_kwargs)
1482endif
1483u2f = not_found
1484if have_system
1485  u2f = dependency('u2f-emu', required: get_option('u2f'),
1486                   method: 'pkg-config',
1487                   kwargs: static_kwargs)
1488endif
1489canokey = not_found
1490if have_system
1491  canokey = dependency('canokey-qemu', required: get_option('canokey'),
1492                   method: 'pkg-config',
1493                   kwargs: static_kwargs)
1494endif
1495usbredir = not_found
1496if not get_option('usb_redir').auto() or have_system
1497  usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1498                        version: '>=0.6', method: 'pkg-config',
1499                        kwargs: static_kwargs)
1500endif
1501libusb = not_found
1502if not get_option('libusb').auto() or have_system
1503  libusb = dependency('libusb-1.0', required: get_option('libusb'),
1504                      version: '>=1.0.13', method: 'pkg-config',
1505                      kwargs: static_kwargs)
1506endif
1507
1508libpmem = not_found
1509if not get_option('libpmem').auto() or have_system
1510  libpmem = dependency('libpmem', required: get_option('libpmem'),
1511                       method: 'pkg-config', kwargs: static_kwargs)
1512endif
1513libdaxctl = not_found
1514if not get_option('libdaxctl').auto() or have_system
1515  libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1516                         version: '>=57', method: 'pkg-config',
1517                         kwargs: static_kwargs)
1518endif
1519tasn1 = not_found
1520if gnutls.found()
1521  tasn1 = dependency('libtasn1',
1522                     method: 'pkg-config',
1523                     kwargs: static_kwargs)
1524endif
1525keyutils = dependency('libkeyutils', required: false,
1526                      method: 'pkg-config', kwargs: static_kwargs)
1527
1528has_gettid = cc.has_function('gettid')
1529
1530# libselinux
1531selinux = dependency('libselinux',
1532                     required: get_option('selinux'),
1533                     method: 'pkg-config', kwargs: static_kwargs)
1534
1535# Malloc tests
1536
1537malloc = []
1538if get_option('malloc') == 'system'
1539  has_malloc_trim = \
1540    get_option('malloc_trim').allowed() and \
1541    cc.links('''#include <malloc.h>
1542                int main(void) { malloc_trim(0); return 0; }''')
1543else
1544  has_malloc_trim = false
1545  malloc = cc.find_library(get_option('malloc'), required: true)
1546endif
1547if not has_malloc_trim and get_option('malloc_trim').enabled()
1548  if get_option('malloc') == 'system'
1549    error('malloc_trim not available on this platform.')
1550  else
1551    error('malloc_trim not available with non-libc memory allocator')
1552  endif
1553endif
1554
1555# Check whether the glibc provides statx()
1556
1557gnu_source_prefix = '''
1558  #ifndef _GNU_SOURCE
1559  #define _GNU_SOURCE
1560  #endif
1561'''
1562statx_test = gnu_source_prefix + '''
1563  #include <sys/stat.h>
1564  int main(void) {
1565    struct statx statxbuf;
1566    statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1567    return 0;
1568  }'''
1569
1570has_statx = cc.links(statx_test)
1571
1572# Check whether statx() provides mount ID information
1573
1574statx_mnt_id_test = gnu_source_prefix + '''
1575  #include <sys/stat.h>
1576  int main(void) {
1577    struct statx statxbuf;
1578    statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1579    return statxbuf.stx_mnt_id;
1580  }'''
1581
1582has_statx_mnt_id = cc.links(statx_mnt_id_test)
1583
1584have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1585  .require(targetos == 'linux',
1586           error_message: 'vhost_user_blk_server requires linux') \
1587  .require(have_vhost_user,
1588           error_message: 'vhost_user_blk_server requires vhost-user support') \
1589  .disable_auto_if(not have_tools and not have_system) \
1590  .allowed()
1591
1592if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1593  error('Cannot enable fuse-lseek while fuse is disabled')
1594endif
1595
1596fuse = dependency('fuse3', required: get_option('fuse'),
1597                  version: '>=3.1', method: 'pkg-config',
1598                  kwargs: static_kwargs)
1599
1600fuse_lseek = not_found
1601if get_option('fuse_lseek').allowed()
1602  if fuse.version().version_compare('>=3.8')
1603    # Dummy dependency
1604    fuse_lseek = declare_dependency()
1605  elif get_option('fuse_lseek').enabled()
1606    if fuse.found()
1607      error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1608    else
1609      error('fuse-lseek requires libfuse, which was not found')
1610    endif
1611  endif
1612endif
1613
1614have_libvduse = (targetos == 'linux')
1615if get_option('libvduse').enabled()
1616    if targetos != 'linux'
1617        error('libvduse requires linux')
1618    endif
1619elif get_option('libvduse').disabled()
1620    have_libvduse = false
1621endif
1622
1623have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1624if get_option('vduse_blk_export').enabled()
1625    if targetos != 'linux'
1626        error('vduse_blk_export requires linux')
1627    elif not have_libvduse
1628        error('vduse_blk_export requires libvduse support')
1629    endif
1630elif get_option('vduse_blk_export').disabled()
1631    have_vduse_blk_export = false
1632endif
1633
1634# libbpf
1635libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1636if libbpf.found() and not cc.links('''
1637   #include <bpf/libbpf.h>
1638   int main(void)
1639   {
1640     bpf_object__destroy_skeleton(NULL);
1641     return 0;
1642   }''', dependencies: libbpf)
1643  libbpf = not_found
1644  if get_option('bpf').enabled()
1645    error('libbpf skeleton test failed')
1646  else
1647    warning('libbpf skeleton test failed, disabling')
1648  endif
1649endif
1650
1651# libdw
1652libdw = dependency('libdw',
1653                   method: 'pkg-config',
1654                   kwargs: static_kwargs,
1655                   required: false)
1656
1657#################
1658# config-host.h #
1659#################
1660
1661audio_drivers_selected = []
1662if have_system
1663  audio_drivers_available = {
1664    'alsa': alsa.found(),
1665    'coreaudio': coreaudio.found(),
1666    'dsound': dsound.found(),
1667    'jack': jack.found(),
1668    'oss': oss.found(),
1669    'pa': pulse.found(),
1670    'sdl': sdl.found(),
1671    'sndio': sndio.found(),
1672  }
1673  foreach k, v: audio_drivers_available
1674    config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1675  endforeach
1676
1677  # Default to native drivers first, OSS second, SDL third
1678  audio_drivers_priority = \
1679    [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1680    (targetos == 'linux' ? [] : [ 'sdl' ])
1681  audio_drivers_default = []
1682  foreach k: audio_drivers_priority
1683    if audio_drivers_available[k]
1684      audio_drivers_default += k
1685    endif
1686  endforeach
1687
1688  foreach k: get_option('audio_drv_list')
1689    if k == 'default'
1690      audio_drivers_selected += audio_drivers_default
1691    elif not audio_drivers_available[k]
1692      error('Audio driver "@0@" not available.'.format(k))
1693    else
1694      audio_drivers_selected += k
1695    endif
1696  endforeach
1697endif
1698config_host_data.set('CONFIG_AUDIO_DRIVERS',
1699                     '"' + '", "'.join(audio_drivers_selected) + '", ')
1700
1701if get_option('cfi')
1702  cfi_flags=[]
1703  # Check for dependency on LTO
1704  if not get_option('b_lto')
1705    error('Selected Control-Flow Integrity but LTO is disabled')
1706  endif
1707  if config_host.has_key('CONFIG_MODULES')
1708    error('Selected Control-Flow Integrity is not compatible with modules')
1709  endif
1710  # Check for cfi flags. CFI requires LTO so we can't use
1711  # get_supported_arguments, but need a more complex "compiles" which allows
1712  # custom arguments
1713  if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1714                 args: ['-flto', '-fsanitize=cfi-icall'] )
1715    cfi_flags += '-fsanitize=cfi-icall'
1716  else
1717    error('-fsanitize=cfi-icall is not supported by the compiler')
1718  endif
1719  if cc.compiles('int main () { return 0; }',
1720                 name: '-fsanitize-cfi-icall-generalize-pointers',
1721                 args: ['-flto', '-fsanitize=cfi-icall',
1722                        '-fsanitize-cfi-icall-generalize-pointers'] )
1723    cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1724  else
1725    error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1726  endif
1727  if get_option('cfi_debug')
1728    if cc.compiles('int main () { return 0; }',
1729                   name: '-fno-sanitize-trap=cfi-icall',
1730                   args: ['-flto', '-fsanitize=cfi-icall',
1731                          '-fno-sanitize-trap=cfi-icall'] )
1732      cfi_flags += '-fno-sanitize-trap=cfi-icall'
1733    else
1734      error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1735    endif
1736  endif
1737  add_global_arguments(cfi_flags, native: false, language: all_languages)
1738  add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1739endif
1740
1741have_host_block_device = (targetos != 'darwin' or
1742    cc.has_header('IOKit/storage/IOMedia.h'))
1743
1744dbus_display = get_option('dbus_display') \
1745  .require(gio.version().version_compare('>=2.64'),
1746           error_message: '-display dbus requires glib>=2.64') \
1747  .require(gdbus_codegen.found(),
1748           error_message: gdbus_codegen_error.format('-display dbus')) \
1749  .require(opengl.found() and gbm.found(),
1750           error_message: '-display dbus requires epoxy/egl and gbm') \
1751  .allowed()
1752
1753have_virtfs = get_option('virtfs') \
1754    .require(targetos == 'linux' or targetos == 'darwin',
1755             error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1756    .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1757             error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1758    .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1759             error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1760    .disable_auto_if(not have_tools and not have_system) \
1761    .allowed()
1762
1763have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1764
1765if get_option('block_drv_ro_whitelist') == ''
1766  config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1767else
1768  config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1769        '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1770endif
1771if get_option('block_drv_rw_whitelist') == ''
1772  config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1773else
1774  config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1775        '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1776endif
1777
1778foreach k : get_option('trace_backends')
1779  config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1780endforeach
1781config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1782config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1783if iasl.found()
1784  config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1785endif
1786config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1787config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1788config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1789config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1790config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1791
1792qemu_firmwarepath = ''
1793foreach k : get_option('qemu_firmwarepath')
1794  qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
1795endforeach
1796config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
1797
1798config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1799config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1800config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1801config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1802config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1803config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1804
1805if config_host.has_key('CONFIG_MODULES')
1806  config_host_data.set('CONFIG_STAMP', run_command(
1807      meson.current_source_dir() / 'scripts/qemu-stamp.py',
1808      meson.project_version(), get_option('pkgversion'), '--',
1809      meson.current_source_dir() / 'configure',
1810      capture: true, check: true).stdout().strip())
1811endif
1812
1813have_slirp_smbd = get_option('slirp_smbd') \
1814  .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1815  .allowed()
1816if have_slirp_smbd
1817  smbd_path = get_option('smbd')
1818  if smbd_path == ''
1819    smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1820  endif
1821  config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1822endif
1823
1824config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1825
1826if get_option('module_upgrades') and not enable_modules
1827  error('Cannot enable module-upgrades as modules are not enabled')
1828endif
1829config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1830
1831config_host_data.set('CONFIG_ATTR', libattr.found())
1832config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1833config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1834config_host_data.set('CONFIG_COCOA', cocoa.found())
1835config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1836config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1837config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1838config_host_data.set('CONFIG_LZO', lzo.found())
1839config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1840config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1841config_host_data.set('CONFIG_BLKIO', blkio.found())
1842config_host_data.set('CONFIG_CURL', curl.found())
1843config_host_data.set('CONFIG_CURSES', curses.found())
1844config_host_data.set('CONFIG_GBM', gbm.found())
1845config_host_data.set('CONFIG_GIO', gio.found())
1846config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1847if glusterfs.found()
1848  config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1849  config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1850  config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1851  config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1852  config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1853  config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1854endif
1855config_host_data.set('CONFIG_GTK', gtk.found())
1856config_host_data.set('CONFIG_VTE', vte.found())
1857config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
1858config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1859config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1860config_host_data.set('CONFIG_EBPF', libbpf.found())
1861config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1862config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1863config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1864config_host_data.set('CONFIG_LIBSSH', libssh.found())
1865config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1866config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1867config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1868config_host_data.set('CONFIG_NUMA', numa.found())
1869if numa.found()
1870  config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
1871                       cc.has_function('numa_has_preferred_many',
1872                                       dependencies: numa))
1873endif
1874config_host_data.set('CONFIG_OPENGL', opengl.found())
1875config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1876config_host_data.set('CONFIG_RBD', rbd.found())
1877config_host_data.set('CONFIG_RDMA', rdma.found())
1878config_host_data.set('CONFIG_SDL', sdl.found())
1879config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1880config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1881if seccomp.found()
1882  config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
1883endif
1884config_host_data.set('CONFIG_SNAPPY', snappy.found())
1885config_host_data.set('CONFIG_TPM', have_tpm)
1886config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1887config_host_data.set('CONFIG_VDE', vde.found())
1888config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1889config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1890config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1891config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1892config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1893config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1894config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1895config_host_data.set('CONFIG_VMNET', vmnet.found())
1896config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1897config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
1898config_host_data.set('CONFIG_PNG', png.found())
1899config_host_data.set('CONFIG_VNC', vnc.found())
1900config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1901config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1902config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1903config_host_data.set('CONFIG_VTE', vte.found())
1904config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1905config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1906config_host_data.set('CONFIG_GETTID', has_gettid)
1907config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1908config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1909config_host_data.set('CONFIG_TASN1', tasn1.found())
1910config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1911config_host_data.set('CONFIG_NETTLE', nettle.found())
1912config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1913config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1914config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1915config_host_data.set('CONFIG_STATX', has_statx)
1916config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1917config_host_data.set('CONFIG_ZSTD', zstd.found())
1918config_host_data.set('CONFIG_FUSE', fuse.found())
1919config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1920config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1921if spice_protocol.found()
1922config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1923config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1924config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1925endif
1926config_host_data.set('CONFIG_SPICE', spice.found())
1927config_host_data.set('CONFIG_X11', x11.found())
1928config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1929config_host_data.set('CONFIG_CFI', get_option('cfi'))
1930config_host_data.set('CONFIG_SELINUX', selinux.found())
1931config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1932config_host_data.set('CONFIG_LIBDW', libdw.found())
1933if xen.found()
1934  # protect from xen.version() having less than three components
1935  xen_version = xen.version().split('.') + ['0', '0']
1936  xen_ctrl_version = xen_version[0] + \
1937    ('0' + xen_version[1]).substring(-2) + \
1938    ('0' + xen_version[2]).substring(-2)
1939  config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1940endif
1941config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1942config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1943config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1944config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1945
1946config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1947config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1948
1949have_coroutine_pool = get_option('coroutine_pool')
1950if get_option('debug_stack_usage') and have_coroutine_pool
1951  message('Disabling coroutine pool to measure stack usage')
1952  have_coroutine_pool = false
1953endif
1954config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1955config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1956config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1957config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1958config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1959config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1960config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
1961
1962# has_header
1963config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1964config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1965config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1966config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1967config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1968config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1969config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1970config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1971config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1972if targetos == 'windows'
1973  config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
1974endif
1975
1976# has_function
1977config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
1978config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1979config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1980config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1981config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1982config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1983# Note that we need to specify prefix: here to avoid incorrectly
1984# thinking that Windows has posix_memalign()
1985config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1986config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1987config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1988config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1989config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1990config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1991config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1992config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1993config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1994config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1995config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1996config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1997config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1998config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1999config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2000config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2001config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2002if rbd.found()
2003  config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2004                       cc.has_function('rbd_namespace_exists',
2005                                       dependencies: rbd,
2006                                       prefix: '#include <rbd/librbd.h>'))
2007endif
2008if rdma.found()
2009  config_host_data.set('HAVE_IBV_ADVISE_MR',
2010                       cc.has_function('ibv_advise_mr',
2011                                       dependencies: rdma,
2012                                       prefix: '#include <infiniband/verbs.h>'))
2013endif
2014
2015# has_header_symbol
2016config_host_data.set('CONFIG_BYTESWAP_H',
2017                     cc.has_header_symbol('byteswap.h', 'bswap_32'))
2018config_host_data.set('CONFIG_EPOLL_CREATE1',
2019                     cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2020config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2021                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2022                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2023config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2024                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2025config_host_data.set('CONFIG_FIEMAP',
2026                     cc.has_header('linux/fiemap.h') and
2027                     cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2028config_host_data.set('CONFIG_GETRANDOM',
2029                     cc.has_function('getrandom') and
2030                     cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2031config_host_data.set('CONFIG_INOTIFY',
2032                     cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2033config_host_data.set('CONFIG_INOTIFY1',
2034                     cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2035config_host_data.set('CONFIG_MACHINE_BSWAP_H',
2036                     cc.has_header_symbol('machine/bswap.h', 'bswap32',
2037                                          prefix: '''#include <sys/endian.h>
2038                                                     #include <sys/types.h>'''))
2039config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2040                     cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2041config_host_data.set('CONFIG_RTNETLINK',
2042                     cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2043config_host_data.set('CONFIG_SYSMACROS',
2044                     cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2045config_host_data.set('HAVE_OPTRESET',
2046                     cc.has_header_symbol('getopt.h', 'optreset'))
2047config_host_data.set('HAVE_IPPROTO_MPTCP',
2048                     cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2049config_host_data.set('HAVE_SYS_MOUNT_FSCONFIG',
2050                     cc.has_header_symbol('sys/mount.h', 'FSCONFIG_SET_FLAG'))
2051
2052# has_member
2053config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2054                     cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2055                                   prefix: '#include <signal.h>'))
2056config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2057                     cc.has_member('struct stat', 'st_atim',
2058                                   prefix: '#include <sys/stat.h>'))
2059
2060# has_type
2061config_host_data.set('CONFIG_IOVEC',
2062                     cc.has_type('struct iovec',
2063                                 prefix: '#include <sys/uio.h>'))
2064config_host_data.set('HAVE_UTMPX',
2065                     cc.has_type('struct utmpx',
2066                                 prefix: '#include <utmpx.h>'))
2067
2068config_host_data.set('CONFIG_EVENTFD', cc.links('''
2069  #include <sys/eventfd.h>
2070  int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2071config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2072  #include <unistd.h>
2073  int main(void) {
2074  #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2075  return fdatasync(0);
2076  #else
2077  #error Not supported
2078  #endif
2079  }'''))
2080
2081has_madvise = cc.links(gnu_source_prefix + '''
2082  #include <sys/types.h>
2083  #include <sys/mman.h>
2084  #include <stddef.h>
2085  int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2086missing_madvise_proto = false
2087if has_madvise
2088  # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2089  # but forget to prototype it. In this case, has_madvise will be true (the
2090  # test program links despite a compile warning). To detect the
2091  # missing-prototype case, we try again with a definitely-bogus prototype.
2092  # This will only compile if the system headers don't provide the prototype;
2093  # otherwise the conflicting prototypes will cause a compiler error.
2094  missing_madvise_proto = cc.links(gnu_source_prefix + '''
2095    #include <sys/types.h>
2096    #include <sys/mman.h>
2097    #include <stddef.h>
2098    extern int madvise(int);
2099    int main(void) { return madvise(0); }''')
2100endif
2101config_host_data.set('CONFIG_MADVISE', has_madvise)
2102config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2103
2104config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2105  #include <sys/mman.h>
2106  int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2107config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2108  #include <fcntl.h>
2109  #if !defined(AT_EMPTY_PATH)
2110  # error missing definition
2111  #else
2112  int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2113  #endif'''))
2114config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2115  #include <sys/mman.h>
2116  #include <stddef.h>
2117  int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2118
2119config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2120  #include <pthread.h>
2121
2122  static void *f(void *p) { return NULL; }
2123  int main(void)
2124  {
2125    pthread_t thread;
2126    pthread_create(&thread, 0, f, 0);
2127    pthread_setname_np(thread, "QEMU");
2128    return 0;
2129  }''', dependencies: threads))
2130config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2131  #include <pthread.h>
2132
2133  static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2134  int main(void)
2135  {
2136    pthread_t thread;
2137    pthread_create(&thread, 0, f, 0);
2138    return 0;
2139  }''', dependencies: threads))
2140config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2141  #include <pthread.h>
2142  #include <time.h>
2143
2144  int main(void)
2145  {
2146    pthread_condattr_t attr
2147    pthread_condattr_init(&attr);
2148    pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2149    return 0;
2150  }''', dependencies: threads))
2151config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2152  #include <pthread.h>
2153
2154  static void *f(void *p) { return NULL; }
2155  int main(void)
2156  {
2157    int setsize = CPU_ALLOC_SIZE(64);
2158    pthread_t thread;
2159    cpu_set_t *cpuset;
2160    pthread_create(&thread, 0, f, 0);
2161    cpuset = CPU_ALLOC(64);
2162    CPU_ZERO_S(setsize, cpuset);
2163    pthread_setaffinity_np(thread, setsize, cpuset);
2164    pthread_getaffinity_np(thread, setsize, cpuset);
2165    CPU_FREE(cpuset);
2166    return 0;
2167  }''', dependencies: threads))
2168config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2169  #include <sys/signalfd.h>
2170  #include <stddef.h>
2171  int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2172config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2173  #include <unistd.h>
2174  #include <fcntl.h>
2175  #include <limits.h>
2176
2177  int main(void)
2178  {
2179    int len, fd = 0;
2180    len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2181    splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2182    return 0;
2183  }'''))
2184
2185config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2186  #include <sys/mman.h>
2187  int main(void) {
2188    return mlockall(MCL_FUTURE);
2189  }'''))
2190
2191have_l2tpv3 = false
2192if get_option('l2tpv3').allowed() and have_system
2193  have_l2tpv3 = cc.has_type('struct mmsghdr',
2194    prefix: gnu_source_prefix + '''
2195      #include <sys/socket.h>
2196      #include <linux/ip.h>''')
2197endif
2198config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2199
2200have_netmap = false
2201if get_option('netmap').allowed() and have_system
2202  have_netmap = cc.compiles('''
2203    #include <inttypes.h>
2204    #include <net/if.h>
2205    #include <net/netmap.h>
2206    #include <net/netmap_user.h>
2207    #if (NETMAP_API < 11) || (NETMAP_API > 15)
2208    #error
2209    #endif
2210    int main(void) { return 0; }''')
2211  if not have_netmap and get_option('netmap').enabled()
2212    error('Netmap headers not available')
2213  endif
2214endif
2215config_host_data.set('CONFIG_NETMAP', have_netmap)
2216
2217# Work around a system header bug with some kernel/XFS header
2218# versions where they both try to define 'struct fsxattr':
2219# xfs headers will not try to redefine structs from linux headers
2220# if this macro is set.
2221config_host_data.set('HAVE_FSXATTR', cc.links('''
2222  #include <linux/fs.h>
2223  struct fsxattr foo;
2224  int main(void) {
2225    return 0;
2226  }'''))
2227
2228# Some versions of Mac OS X incorrectly define SIZE_MAX
2229config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2230    #include <stdint.h>
2231    #include <stdio.h>
2232    int main(void) {
2233        return printf("%zu", SIZE_MAX);
2234    }''', args: ['-Werror']))
2235
2236atomic_test = '''
2237  #include <stdint.h>
2238  int main(void)
2239  {
2240    @0@ x = 0, y = 0;
2241    y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2242    __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2243    __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2244    __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2245    __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2246    return 0;
2247  }'''
2248
2249# See if 64-bit atomic operations are supported.
2250# Note that without __atomic builtins, we can only
2251# assume atomic loads/stores max at pointer size.
2252config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2253
2254has_int128 = cc.links('''
2255  __int128_t a;
2256  __uint128_t b;
2257  int main (void) {
2258    a = a + b;
2259    b = a * b;
2260    a = a * a;
2261    return 0;
2262  }''')
2263
2264config_host_data.set('CONFIG_INT128', has_int128)
2265
2266if has_int128
2267  # "do we have 128-bit atomics which are handled inline and specifically not
2268  # via libatomic". The reason we can't use libatomic is documented in the
2269  # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2270  has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2271
2272  config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2273
2274  if not has_atomic128
2275    has_cmpxchg128 = cc.links('''
2276      int main(void)
2277      {
2278        unsigned __int128 x = 0, y = 0;
2279        __sync_val_compare_and_swap_16(&x, y, x);
2280        return 0;
2281      }
2282    ''')
2283
2284    config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2285  endif
2286endif
2287
2288config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2289  #include <sys/auxv.h>
2290  int main(void) {
2291    return getauxval(AT_HWCAP) == 0;
2292  }'''))
2293
2294config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2295  #include <linux/usbdevice_fs.h>
2296
2297  #ifndef USBDEVFS_GET_CAPABILITIES
2298  #error "USBDEVFS_GET_CAPABILITIES undefined"
2299  #endif
2300
2301  #ifndef USBDEVFS_DISCONNECT_CLAIM
2302  #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2303  #endif
2304
2305  int main(void) { return 0; }'''))
2306
2307have_keyring = get_option('keyring') \
2308  .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2309  .require(cc.compiles('''
2310    #include <errno.h>
2311    #include <asm/unistd.h>
2312    #include <linux/keyctl.h>
2313    #include <sys/syscall.h>
2314    #include <unistd.h>
2315    int main(void) {
2316        return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2317    }'''), error_message: 'keyctl syscall not available on this system').allowed()
2318config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2319
2320have_cpuid_h = cc.links('''
2321  #include <cpuid.h>
2322  int main(void) {
2323    unsigned a, b, c, d;
2324    unsigned max = __get_cpuid_max(0, 0);
2325
2326    if (max >= 1) {
2327        __cpuid(1, a, b, c, d);
2328    }
2329
2330    if (max >= 7) {
2331        __cpuid_count(7, 0, a, b, c, d);
2332    }
2333
2334    return 0;
2335  }''')
2336config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2337
2338config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2339  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2340  .require(cc.links('''
2341    #pragma GCC push_options
2342    #pragma GCC target("avx2")
2343    #include <cpuid.h>
2344    #include <immintrin.h>
2345    static int bar(void *a) {
2346      __m256i x = *(__m256i *)a;
2347      return _mm256_testz_si256(x, x);
2348    }
2349    int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2350  '''), error_message: 'AVX2 not available').allowed())
2351
2352config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2353  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2354  .require(cc.links('''
2355    #pragma GCC push_options
2356    #pragma GCC target("avx512f")
2357    #include <cpuid.h>
2358    #include <immintrin.h>
2359    static int bar(void *a) {
2360      __m512i x = *(__m512i *)a;
2361      return _mm512_test_epi64_mask(x, x);
2362    }
2363    int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2364  '''), error_message: 'AVX512F not available').allowed())
2365
2366have_pvrdma = get_option('pvrdma') \
2367  .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2368  .require(cc.compiles(gnu_source_prefix + '''
2369    #include <sys/mman.h>
2370    int main(void)
2371    {
2372      char buf = 0;
2373      void *addr = &buf;
2374      addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2375
2376      return 0;
2377    }'''), error_message: 'PVRDMA requires mremap').allowed()
2378
2379if have_pvrdma
2380  config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2381    #include <infiniband/verbs.h>
2382    int main(void)
2383    {
2384      struct ibv_mr *mr;
2385      struct ibv_pd *pd = NULL;
2386      size_t length = 10;
2387      uint64_t iova = 0;
2388      int access = 0;
2389      void *addr = NULL;
2390
2391      mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2392      ibv_dereg_mr(mr);
2393      return 0;
2394    }'''))
2395endif
2396
2397if get_option('membarrier').disabled()
2398  have_membarrier = false
2399elif targetos == 'windows'
2400  have_membarrier = true
2401elif targetos == 'linux'
2402  have_membarrier = cc.compiles('''
2403    #include <linux/membarrier.h>
2404    #include <sys/syscall.h>
2405    #include <unistd.h>
2406    #include <stdlib.h>
2407    int main(void) {
2408        syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2409        syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2410        exit(0);
2411    }''')
2412endif
2413config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2414  .require(have_membarrier, error_message: 'membarrier system call not available') \
2415  .allowed())
2416
2417have_afalg = get_option('crypto_afalg') \
2418  .require(cc.compiles(gnu_source_prefix + '''
2419    #include <errno.h>
2420    #include <sys/types.h>
2421    #include <sys/socket.h>
2422    #include <linux/if_alg.h>
2423    int main(void) {
2424      int sock;
2425      sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2426      return sock;
2427    }
2428  '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2429config_host_data.set('CONFIG_AF_ALG', have_afalg)
2430
2431config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2432  'linux/vm_sockets.h', 'AF_VSOCK',
2433  prefix: '#include <sys/socket.h>',
2434))
2435
2436have_vss = false
2437have_vss_sdk = false # old xp/2003 SDK
2438if targetos == 'windows' and link_language == 'cpp'
2439  have_vss = cxx.compiles('''
2440    #define __MIDL_user_allocate_free_DEFINED__
2441    #include <vss.h>
2442    int main(void) { return VSS_CTX_BACKUP; }''')
2443  have_vss_sdk = cxx.has_header('vscoordint.h')
2444endif
2445config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2446
2447foreach k, v: config_host
2448  if k.startswith('CONFIG_')
2449    config_host_data.set(k, v == 'y' ? 1 : v)
2450  endif
2451endforeach
2452
2453# Older versions of MinGW do not import _lock_file and _unlock_file properly.
2454# This was fixed for v6.0.0 with commit b48e3ac8969d.
2455if targetos == 'windows'
2456  config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2457    #include <stdio.h>
2458    int main(void) {
2459      _lock_file(NULL);
2460      _unlock_file(NULL);
2461      return 0;
2462    }''', name: '_lock_file and _unlock_file'))
2463endif
2464
2465########################
2466# Target configuration #
2467########################
2468
2469minikconf = find_program('scripts/minikconf.py')
2470config_all = {}
2471config_all_devices = {}
2472config_all_disas = {}
2473config_devices_mak_list = []
2474config_devices_h = {}
2475config_target_h = {}
2476config_target_mak = {}
2477
2478disassemblers = {
2479  'alpha' : ['CONFIG_ALPHA_DIS'],
2480  'avr' : ['CONFIG_AVR_DIS'],
2481  'cris' : ['CONFIG_CRIS_DIS'],
2482  'hexagon' : ['CONFIG_HEXAGON_DIS'],
2483  'hppa' : ['CONFIG_HPPA_DIS'],
2484  'i386' : ['CONFIG_I386_DIS'],
2485  'x86_64' : ['CONFIG_I386_DIS'],
2486  'm68k' : ['CONFIG_M68K_DIS'],
2487  'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2488  'mips' : ['CONFIG_MIPS_DIS'],
2489  'nios2' : ['CONFIG_NIOS2_DIS'],
2490  'or1k' : ['CONFIG_OPENRISC_DIS'],
2491  'ppc' : ['CONFIG_PPC_DIS'],
2492  'riscv' : ['CONFIG_RISCV_DIS'],
2493  'rx' : ['CONFIG_RX_DIS'],
2494  's390' : ['CONFIG_S390_DIS'],
2495  'sh4' : ['CONFIG_SH4_DIS'],
2496  'sparc' : ['CONFIG_SPARC_DIS'],
2497  'xtensa' : ['CONFIG_XTENSA_DIS'],
2498  'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2499}
2500
2501have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2502host_kconfig = \
2503  (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2504  (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2505  (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2506  (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2507  (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2508  (x11.found() ? ['CONFIG_X11=y'] : []) + \
2509  (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2510  (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2511  (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2512  (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2513  ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2514  (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2515  (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2516  (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2517
2518ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2519
2520default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2521actual_target_dirs = []
2522fdt_required = []
2523foreach target : target_dirs
2524  config_target = { 'TARGET_NAME': target.split('-')[0] }
2525  if target.endswith('linux-user')
2526    if targetos != 'linux'
2527      if default_targets
2528        continue
2529      endif
2530      error('Target @0@ is only available on a Linux host'.format(target))
2531    endif
2532    config_target += { 'CONFIG_LINUX_USER': 'y' }
2533  elif target.endswith('bsd-user')
2534    if 'CONFIG_BSD' not in config_host
2535      if default_targets
2536        continue
2537      endif
2538      error('Target @0@ is only available on a BSD host'.format(target))
2539    endif
2540    config_target += { 'CONFIG_BSD_USER': 'y' }
2541  elif target.endswith('softmmu')
2542    config_target += { 'CONFIG_SOFTMMU': 'y' }
2543  endif
2544  if target.endswith('-user')
2545    config_target += {
2546      'CONFIG_USER_ONLY': 'y',
2547      'CONFIG_QEMU_INTERP_PREFIX':
2548        get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2549    }
2550  endif
2551
2552  accel_kconfig = []
2553  foreach sym: accelerators
2554    if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2555      config_target += { sym: 'y' }
2556      config_all += { sym: 'y' }
2557      if target in modular_tcg
2558        config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2559      else
2560        config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2561      endif
2562      accel_kconfig += [ sym + '=y' ]
2563    endif
2564  endforeach
2565  if accel_kconfig.length() == 0
2566    if default_targets
2567      continue
2568    endif
2569    error('No accelerator available for target @0@'.format(target))
2570  endif
2571
2572  actual_target_dirs += target
2573  config_target += keyval.load('configs/targets' / target + '.mak')
2574  config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2575
2576  if 'TARGET_NEED_FDT' in config_target
2577    fdt_required += target
2578  endif
2579
2580  # Add default keys
2581  if 'TARGET_BASE_ARCH' not in config_target
2582    config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2583  endif
2584  if 'TARGET_ABI_DIR' not in config_target
2585    config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2586  endif
2587  if 'TARGET_BIG_ENDIAN' not in config_target
2588    config_target += {'TARGET_BIG_ENDIAN': 'n'}
2589  endif
2590
2591  foreach k, v: disassemblers
2592    if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2593      foreach sym: v
2594        config_target += { sym: 'y' }
2595        config_all_disas += { sym: 'y' }
2596      endforeach
2597    endif
2598  endforeach
2599
2600  config_target_data = configuration_data()
2601  foreach k, v: config_target
2602    if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2603      # do nothing
2604    elif ignored.contains(k)
2605      # do nothing
2606    elif k == 'TARGET_BASE_ARCH'
2607      # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2608      # not used to select files from sourcesets.
2609      config_target_data.set('TARGET_' + v.to_upper(), 1)
2610    elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2611      config_target_data.set_quoted(k, v)
2612    elif v == 'y'
2613      config_target_data.set(k, 1)
2614    elif v == 'n'
2615      config_target_data.set(k, 0)
2616    else
2617      config_target_data.set(k, v)
2618    endif
2619  endforeach
2620  config_target_data.set('QEMU_ARCH',
2621                         'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2622  config_target_h += {target: configure_file(output: target + '-config-target.h',
2623                                               configuration: config_target_data)}
2624
2625  if target.endswith('-softmmu')
2626    config_input = meson.get_external_property(target, 'default')
2627    config_devices_mak = target + '-config-devices.mak'
2628    config_devices_mak = configure_file(
2629      input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2630      output: config_devices_mak,
2631      depfile: config_devices_mak + '.d',
2632      capture: true,
2633      command: [minikconf,
2634                get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2635                config_devices_mak, '@DEPFILE@', '@INPUT@',
2636                host_kconfig, accel_kconfig,
2637                'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2638
2639    config_devices_data = configuration_data()
2640    config_devices = keyval.load(config_devices_mak)
2641    foreach k, v: config_devices
2642      config_devices_data.set(k, 1)
2643    endforeach
2644    config_devices_mak_list += config_devices_mak
2645    config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2646                                                configuration: config_devices_data)}
2647    config_target += config_devices
2648    config_all_devices += config_devices
2649  endif
2650  config_target_mak += {target: config_target}
2651endforeach
2652target_dirs = actual_target_dirs
2653
2654# This configuration is used to build files that are shared by
2655# multiple binaries, and then extracted out of the "common"
2656# static_library target.
2657#
2658# We do not use all_sources()/all_dependencies(), because it would
2659# build literally all source files, including devices only used by
2660# targets that are not built for this compilation.  The CONFIG_ALL
2661# pseudo symbol replaces it.
2662
2663config_all += config_all_devices
2664config_all += config_host
2665config_all += config_all_disas
2666config_all += {
2667  'CONFIG_XEN': xen.found(),
2668  'CONFIG_SOFTMMU': have_system,
2669  'CONFIG_USER_ONLY': have_user,
2670  'CONFIG_ALL': true,
2671}
2672
2673target_configs_h = []
2674foreach target: target_dirs
2675  target_configs_h += config_target_h[target]
2676  target_configs_h += config_devices_h.get(target, [])
2677endforeach
2678genh += custom_target('config-poison.h',
2679                      input: [target_configs_h],
2680                      output: 'config-poison.h',
2681                      capture: true,
2682                      command: [find_program('scripts/make-config-poison.sh'),
2683                                target_configs_h])
2684
2685##############
2686# Submodules #
2687##############
2688
2689capstone = not_found
2690if not get_option('capstone').auto() or have_system or have_user
2691  capstone = dependency('capstone', version: '>=3.0.5',
2692                        kwargs: static_kwargs, method: 'pkg-config',
2693                        required: get_option('capstone'))
2694
2695  # Some versions of capstone have broken pkg-config file
2696  # that reports a wrong -I path, causing the #include to
2697  # fail later. If the system has such a broken version
2698  # do not use it.
2699  if capstone.found() and not cc.compiles('#include <capstone.h>',
2700                                          dependencies: [capstone])
2701    capstone = not_found
2702    if get_option('capstone').enabled()
2703      error('capstone requested, but it does not appear to work')
2704    endif
2705  endif
2706endif
2707
2708libvfio_user_dep = not_found
2709if have_system and vfio_user_server_allowed
2710  have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2711
2712  if not have_internal
2713    error('libvfio-user source not found - please pull git submodule')
2714  endif
2715
2716  libvfio_user_proj = subproject('libvfio-user')
2717
2718  libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2719
2720  libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2721endif
2722
2723fdt = not_found
2724if have_system
2725  fdt_opt = get_option('fdt')
2726  if fdt_opt in ['enabled', 'auto', 'system']
2727    have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2728    fdt = cc.find_library('fdt', kwargs: static_kwargs,
2729                          required: fdt_opt == 'system' or
2730                                    fdt_opt == 'enabled' and not have_internal)
2731    if fdt.found() and cc.links('''
2732       #include <libfdt.h>
2733       #include <libfdt_env.h>
2734       int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2735         dependencies: fdt)
2736      fdt_opt = 'system'
2737    elif fdt_opt == 'system'
2738       error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2739    elif have_internal
2740      fdt_opt = 'internal'
2741    else
2742      fdt_opt = 'disabled'
2743      fdt = not_found
2744    endif
2745  endif
2746  if fdt_opt == 'internal'
2747    fdt_files = files(
2748      'dtc/libfdt/fdt.c',
2749      'dtc/libfdt/fdt_ro.c',
2750      'dtc/libfdt/fdt_wip.c',
2751      'dtc/libfdt/fdt_sw.c',
2752      'dtc/libfdt/fdt_rw.c',
2753      'dtc/libfdt/fdt_strerror.c',
2754      'dtc/libfdt/fdt_empty_tree.c',
2755      'dtc/libfdt/fdt_addresses.c',
2756      'dtc/libfdt/fdt_overlay.c',
2757      'dtc/libfdt/fdt_check.c',
2758    )
2759
2760    fdt_inc = include_directories('dtc/libfdt')
2761    libfdt = static_library('fdt',
2762                            build_by_default: false,
2763                            sources: fdt_files,
2764                            include_directories: fdt_inc)
2765    fdt = declare_dependency(link_with: libfdt,
2766                             include_directories: fdt_inc)
2767  endif
2768else
2769  fdt_opt = 'disabled'
2770endif
2771if not fdt.found() and fdt_required.length() > 0
2772  error('fdt not available but required by targets ' + ', '.join(fdt_required))
2773endif
2774
2775config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2776config_host_data.set('CONFIG_FDT', fdt.found())
2777config_host_data.set('CONFIG_SLIRP', slirp.found())
2778
2779#####################
2780# Generated sources #
2781#####################
2782
2783genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2784
2785hxtool = find_program('scripts/hxtool')
2786shaderinclude = find_program('scripts/shaderinclude.pl')
2787qapi_gen = find_program('scripts/qapi-gen.py')
2788qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2789                     meson.current_source_dir() / 'scripts/qapi/commands.py',
2790                     meson.current_source_dir() / 'scripts/qapi/common.py',
2791                     meson.current_source_dir() / 'scripts/qapi/error.py',
2792                     meson.current_source_dir() / 'scripts/qapi/events.py',
2793                     meson.current_source_dir() / 'scripts/qapi/expr.py',
2794                     meson.current_source_dir() / 'scripts/qapi/gen.py',
2795                     meson.current_source_dir() / 'scripts/qapi/introspect.py',
2796                     meson.current_source_dir() / 'scripts/qapi/parser.py',
2797                     meson.current_source_dir() / 'scripts/qapi/schema.py',
2798                     meson.current_source_dir() / 'scripts/qapi/source.py',
2799                     meson.current_source_dir() / 'scripts/qapi/types.py',
2800                     meson.current_source_dir() / 'scripts/qapi/visit.py',
2801                     meson.current_source_dir() / 'scripts/qapi/common.py',
2802                     meson.current_source_dir() / 'scripts/qapi-gen.py'
2803]
2804
2805tracetool = [
2806  python, files('scripts/tracetool.py'),
2807   '--backend=' + ','.join(get_option('trace_backends'))
2808]
2809tracetool_depends = files(
2810  'scripts/tracetool/backend/log.py',
2811  'scripts/tracetool/backend/__init__.py',
2812  'scripts/tracetool/backend/dtrace.py',
2813  'scripts/tracetool/backend/ftrace.py',
2814  'scripts/tracetool/backend/simple.py',
2815  'scripts/tracetool/backend/syslog.py',
2816  'scripts/tracetool/backend/ust.py',
2817  'scripts/tracetool/format/ust_events_c.py',
2818  'scripts/tracetool/format/ust_events_h.py',
2819  'scripts/tracetool/format/__init__.py',
2820  'scripts/tracetool/format/d.py',
2821  'scripts/tracetool/format/simpletrace_stap.py',
2822  'scripts/tracetool/format/c.py',
2823  'scripts/tracetool/format/h.py',
2824  'scripts/tracetool/format/log_stap.py',
2825  'scripts/tracetool/format/stap.py',
2826  'scripts/tracetool/__init__.py',
2827  'scripts/tracetool/transform.py',
2828  'scripts/tracetool/vcpu.py'
2829)
2830
2831qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2832                    meson.current_source_dir(),
2833                    get_option('pkgversion'), meson.project_version()]
2834qemu_version = custom_target('qemu-version.h',
2835                             output: 'qemu-version.h',
2836                             command: qemu_version_cmd,
2837                             capture: true,
2838                             build_by_default: true,
2839                             build_always_stale: true)
2840genh += qemu_version
2841
2842hxdep = []
2843hx_headers = [
2844  ['qemu-options.hx', 'qemu-options.def'],
2845  ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2846]
2847if have_system
2848  hx_headers += [
2849    ['hmp-commands.hx', 'hmp-commands.h'],
2850    ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2851  ]
2852endif
2853foreach d : hx_headers
2854  hxdep += custom_target(d[1],
2855                input: files(d[0]),
2856                output: d[1],
2857                capture: true,
2858                build_by_default: true, # to be removed when added to a target
2859                command: [hxtool, '-h', '@INPUT0@'])
2860endforeach
2861genh += hxdep
2862
2863###################
2864# Collect sources #
2865###################
2866
2867authz_ss = ss.source_set()
2868blockdev_ss = ss.source_set()
2869block_ss = ss.source_set()
2870chardev_ss = ss.source_set()
2871common_ss = ss.source_set()
2872crypto_ss = ss.source_set()
2873hwcore_ss = ss.source_set()
2874io_ss = ss.source_set()
2875qmp_ss = ss.source_set()
2876qom_ss = ss.source_set()
2877softmmu_ss = ss.source_set()
2878specific_fuzz_ss = ss.source_set()
2879specific_ss = ss.source_set()
2880stub_ss = ss.source_set()
2881trace_ss = ss.source_set()
2882user_ss = ss.source_set()
2883util_ss = ss.source_set()
2884
2885# accel modules
2886qtest_module_ss = ss.source_set()
2887tcg_module_ss = ss.source_set()
2888
2889modules = {}
2890target_modules = {}
2891hw_arch = {}
2892target_arch = {}
2893target_softmmu_arch = {}
2894target_user_arch = {}
2895
2896###############
2897# Trace files #
2898###############
2899
2900# TODO: add each directory to the subdirs from its own meson.build, once
2901# we have those
2902trace_events_subdirs = [
2903  'crypto',
2904  'qapi',
2905  'qom',
2906  'monitor',
2907  'util',
2908  'gdbstub',
2909]
2910if have_linux_user
2911  trace_events_subdirs += [ 'linux-user' ]
2912endif
2913if have_bsd_user
2914  trace_events_subdirs += [ 'bsd-user' ]
2915endif
2916if have_block
2917  trace_events_subdirs += [
2918    'authz',
2919    'block',
2920    'io',
2921    'nbd',
2922    'scsi',
2923  ]
2924endif
2925if have_system
2926  trace_events_subdirs += [
2927    'accel/kvm',
2928    'audio',
2929    'backends',
2930    'backends/tpm',
2931    'chardev',
2932    'ebpf',
2933    'hw/9pfs',
2934    'hw/acpi',
2935    'hw/adc',
2936    'hw/alpha',
2937    'hw/arm',
2938    'hw/audio',
2939    'hw/block',
2940    'hw/block/dataplane',
2941    'hw/char',
2942    'hw/display',
2943    'hw/dma',
2944    'hw/hyperv',
2945    'hw/i2c',
2946    'hw/i386',
2947    'hw/i386/xen',
2948    'hw/ide',
2949    'hw/input',
2950    'hw/intc',
2951    'hw/isa',
2952    'hw/mem',
2953    'hw/mips',
2954    'hw/misc',
2955    'hw/misc/macio',
2956    'hw/net',
2957    'hw/net/can',
2958    'hw/nubus',
2959    'hw/nvme',
2960    'hw/nvram',
2961    'hw/pci',
2962    'hw/pci-host',
2963    'hw/ppc',
2964    'hw/rdma',
2965    'hw/rdma/vmw',
2966    'hw/rtc',
2967    'hw/s390x',
2968    'hw/scsi',
2969    'hw/sd',
2970    'hw/sh4',
2971    'hw/sparc',
2972    'hw/sparc64',
2973    'hw/ssi',
2974    'hw/timer',
2975    'hw/tpm',
2976    'hw/usb',
2977    'hw/vfio',
2978    'hw/virtio',
2979    'hw/watchdog',
2980    'hw/xen',
2981    'hw/gpio',
2982    'migration',
2983    'net',
2984    'softmmu',
2985    'ui',
2986    'hw/remote',
2987  ]
2988endif
2989if have_system or have_user
2990  trace_events_subdirs += [
2991    'accel/tcg',
2992    'hw/core',
2993    'target/arm',
2994    'target/arm/hvf',
2995    'target/hppa',
2996    'target/i386',
2997    'target/i386/kvm',
2998    'target/mips/tcg',
2999    'target/nios2',
3000    'target/ppc',
3001    'target/riscv',
3002    'target/s390x',
3003    'target/s390x/kvm',
3004    'target/sparc',
3005  ]
3006endif
3007
3008vhost_user = not_found
3009if targetos == 'linux' and have_vhost_user
3010  libvhost_user = subproject('libvhost-user')
3011  vhost_user = libvhost_user.get_variable('vhost_user_dep')
3012endif
3013
3014libvduse = not_found
3015if have_libvduse
3016  libvduse_proj = subproject('libvduse')
3017  libvduse = libvduse_proj.get_variable('libvduse_dep')
3018endif
3019
3020# NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3021# that is filled in by qapi/.
3022subdir('qapi')
3023subdir('qobject')
3024subdir('stubs')
3025subdir('trace')
3026subdir('util')
3027subdir('qom')
3028subdir('authz')
3029subdir('crypto')
3030subdir('ui')
3031subdir('hw')
3032subdir('gdbstub')
3033
3034
3035if enable_modules
3036  libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3037  modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3038endif
3039
3040qom_ss = qom_ss.apply(config_host, strict: false)
3041libqom = static_library('qom', qom_ss.sources() + genh,
3042                        dependencies: [qom_ss.dependencies()],
3043                        name_suffix: 'fa')
3044qom = declare_dependency(link_whole: libqom)
3045
3046event_loop_base = files('event-loop-base.c')
3047event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3048                                 build_by_default: true)
3049event_loop_base = declare_dependency(link_whole: event_loop_base,
3050                                     dependencies: [qom])
3051
3052stub_ss = stub_ss.apply(config_all, strict: false)
3053
3054util_ss.add_all(trace_ss)
3055util_ss = util_ss.apply(config_all, strict: false)
3056libqemuutil = static_library('qemuutil',
3057                             sources: util_ss.sources() + stub_ss.sources() + genh,
3058                             dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3059qemuutil = declare_dependency(link_with: libqemuutil,
3060                              sources: genh + version_res,
3061                              dependencies: [event_loop_base])
3062
3063if have_system or have_user
3064  decodetree = generator(find_program('scripts/decodetree.py'),
3065                         output: 'decode-@BASENAME@.c.inc',
3066                         arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3067  subdir('libdecnumber')
3068  subdir('target')
3069endif
3070
3071subdir('audio')
3072subdir('io')
3073subdir('chardev')
3074subdir('fsdev')
3075subdir('dump')
3076
3077if have_block
3078  block_ss.add(files(
3079    'block.c',
3080    'blockjob.c',
3081    'job.c',
3082    'qemu-io-cmds.c',
3083  ))
3084  if config_host_data.get('CONFIG_REPLICATION')
3085    block_ss.add(files('replication.c'))
3086  endif
3087
3088  subdir('nbd')
3089  subdir('scsi')
3090  subdir('block')
3091
3092  blockdev_ss.add(files(
3093    'blockdev.c',
3094    'blockdev-nbd.c',
3095    'iothread.c',
3096    'job-qmp.c',
3097  ), gnutls)
3098
3099  # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3100  # os-win32.c does not
3101  blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3102  softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3103endif
3104
3105common_ss.add(files('cpus-common.c'))
3106
3107subdir('softmmu')
3108
3109common_ss.add(capstone)
3110specific_ss.add(files('cpu.c', 'disas.c'), capstone)
3111
3112# Work around a gcc bug/misfeature wherein constant propagation looks
3113# through an alias:
3114#   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3115# to guess that a const variable is always zero.  Without lto, this is
3116# impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3117# without lto, not even the alias is required -- we simply use different
3118# declarations in different compilation units.
3119pagevary = files('page-vary-common.c')
3120if get_option('b_lto')
3121  pagevary_flags = ['-fno-lto']
3122  if get_option('cfi')
3123    pagevary_flags += '-fno-sanitize=cfi-icall'
3124  endif
3125  pagevary = static_library('page-vary-common', sources: pagevary + genh,
3126                            c_args: pagevary_flags)
3127  pagevary = declare_dependency(link_with: pagevary)
3128endif
3129common_ss.add(pagevary)
3130specific_ss.add(files('page-vary.c'))
3131
3132subdir('backends')
3133subdir('disas')
3134subdir('migration')
3135subdir('monitor')
3136subdir('net')
3137subdir('replay')
3138subdir('semihosting')
3139subdir('tcg')
3140subdir('fpu')
3141subdir('accel')
3142subdir('plugins')
3143subdir('ebpf')
3144
3145common_user_inc = []
3146
3147subdir('common-user')
3148subdir('bsd-user')
3149subdir('linux-user')
3150
3151# needed for fuzzing binaries
3152subdir('tests/qtest/libqos')
3153subdir('tests/qtest/fuzz')
3154
3155# accel modules
3156tcg_real_module_ss = ss.source_set()
3157tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3158specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3159target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3160                                'tcg': tcg_real_module_ss }}
3161
3162########################
3163# Library dependencies #
3164########################
3165
3166modinfo_collect = find_program('scripts/modinfo-collect.py')
3167modinfo_generate = find_program('scripts/modinfo-generate.py')
3168modinfo_files = []
3169
3170block_mods = []
3171softmmu_mods = []
3172foreach d, list : modules
3173  foreach m, module_ss : list
3174    if enable_modules and targetos != 'windows'
3175      module_ss = module_ss.apply(config_all, strict: false)
3176      sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3177                          dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3178      if d == 'block'
3179        block_mods += sl
3180      else
3181        softmmu_mods += sl
3182      endif
3183      if module_ss.sources() != []
3184        # FIXME: Should use sl.extract_all_objects(recursive: true) as
3185        # input. Sources can be used multiple times but objects are
3186        # unique when it comes to lookup in compile_commands.json.
3187        # Depnds on a mesion version with
3188        # https://github.com/mesonbuild/meson/pull/8900
3189        modinfo_files += custom_target(d + '-' + m + '.modinfo',
3190                                       output: d + '-' + m + '.modinfo',
3191                                       input: module_ss.sources() + genh,
3192                                       capture: true,
3193                                       command: [modinfo_collect, module_ss.sources()])
3194      endif
3195    else
3196      if d == 'block'
3197        block_ss.add_all(module_ss)
3198      else
3199        softmmu_ss.add_all(module_ss)
3200      endif
3201    endif
3202  endforeach
3203endforeach
3204
3205foreach d, list : target_modules
3206  foreach m, module_ss : list
3207    if enable_modules and targetos != 'windows'
3208      foreach target : target_dirs
3209        if target.endswith('-softmmu')
3210          config_target = config_target_mak[target]
3211          config_target += config_host
3212          target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3213          c_args = ['-DNEED_CPU_H',
3214                    '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3215                    '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3216          target_module_ss = module_ss.apply(config_target, strict: false)
3217          if target_module_ss.sources() != []
3218            module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3219            sl = static_library(module_name,
3220                                [genh, target_module_ss.sources()],
3221                                dependencies: [modulecommon, target_module_ss.dependencies()],
3222                                include_directories: target_inc,
3223                                c_args: c_args,
3224                                pic: true)
3225            softmmu_mods += sl
3226            # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3227            modinfo_files += custom_target(module_name + '.modinfo',
3228                                           output: module_name + '.modinfo',
3229                                           input: target_module_ss.sources() + genh,
3230                                           capture: true,
3231                                           command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3232          endif
3233        endif
3234      endforeach
3235    else
3236      specific_ss.add_all(module_ss)
3237    endif
3238  endforeach
3239endforeach
3240
3241if enable_modules
3242  foreach target : target_dirs
3243    if target.endswith('-softmmu')
3244      config_target = config_target_mak[target]
3245      config_devices_mak = target + '-config-devices.mak'
3246      modinfo_src = custom_target('modinfo-' + target + '.c',
3247                                  output: 'modinfo-' + target + '.c',
3248                                  input: modinfo_files,
3249                                  command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3250                                  capture: true)
3251
3252      modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3253      modinfo_dep = declare_dependency(link_with: modinfo_lib)
3254
3255      arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3256      hw_arch[arch].add(modinfo_dep)
3257    endif
3258  endforeach
3259endif
3260
3261nm = find_program('nm')
3262undefsym = find_program('scripts/undefsym.py')
3263block_syms = custom_target('block.syms', output: 'block.syms',
3264                             input: [libqemuutil, block_mods],
3265                             capture: true,
3266                             command: [undefsym, nm, '@INPUT@'])
3267qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3268                             input: [libqemuutil, softmmu_mods],
3269                             capture: true,
3270                             command: [undefsym, nm, '@INPUT@'])
3271
3272authz_ss = authz_ss.apply(config_host, strict: false)
3273libauthz = static_library('authz', authz_ss.sources() + genh,
3274                          dependencies: [authz_ss.dependencies()],
3275                          name_suffix: 'fa',
3276                          build_by_default: false)
3277
3278authz = declare_dependency(link_whole: libauthz,
3279                           dependencies: qom)
3280
3281crypto_ss = crypto_ss.apply(config_host, strict: false)
3282libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3283                           dependencies: [crypto_ss.dependencies()],
3284                           name_suffix: 'fa',
3285                           build_by_default: false)
3286
3287crypto = declare_dependency(link_whole: libcrypto,
3288                            dependencies: [authz, qom])
3289
3290io_ss = io_ss.apply(config_host, strict: false)
3291libio = static_library('io', io_ss.sources() + genh,
3292                       dependencies: [io_ss.dependencies()],
3293                       link_with: libqemuutil,
3294                       name_suffix: 'fa',
3295                       build_by_default: false)
3296
3297io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3298
3299libmigration = static_library('migration', sources: migration_files + genh,
3300                              name_suffix: 'fa',
3301                              build_by_default: false)
3302migration = declare_dependency(link_with: libmigration,
3303                               dependencies: [zlib, qom, io])
3304softmmu_ss.add(migration)
3305
3306block_ss = block_ss.apply(config_host, strict: false)
3307libblock = static_library('block', block_ss.sources() + genh,
3308                          dependencies: block_ss.dependencies(),
3309                          link_depends: block_syms,
3310                          name_suffix: 'fa',
3311                          build_by_default: false)
3312
3313block = declare_dependency(link_whole: [libblock],
3314                           link_args: '@block.syms',
3315                           dependencies: [crypto, io])
3316
3317blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3318libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3319                             dependencies: blockdev_ss.dependencies(),
3320                             name_suffix: 'fa',
3321                             build_by_default: false)
3322
3323blockdev = declare_dependency(link_whole: [libblockdev],
3324                              dependencies: [block, event_loop_base])
3325
3326qmp_ss = qmp_ss.apply(config_host, strict: false)
3327libqmp = static_library('qmp', qmp_ss.sources() + genh,
3328                        dependencies: qmp_ss.dependencies(),
3329                        name_suffix: 'fa',
3330                        build_by_default: false)
3331
3332qmp = declare_dependency(link_whole: [libqmp])
3333
3334libchardev = static_library('chardev', chardev_ss.sources() + genh,
3335                            name_suffix: 'fa',
3336                            dependencies: chardev_ss.dependencies(),
3337                            build_by_default: false)
3338
3339chardev = declare_dependency(link_whole: libchardev)
3340
3341hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3342libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3343                           name_suffix: 'fa',
3344                           build_by_default: false)
3345hwcore = declare_dependency(link_whole: libhwcore)
3346common_ss.add(hwcore)
3347
3348###########
3349# Targets #
3350###########
3351
3352emulator_modules = []
3353foreach m : block_mods + softmmu_mods
3354  emulator_modules += shared_module(m.name(),
3355                build_by_default: true,
3356                name_prefix: '',
3357                link_whole: m,
3358                install: true,
3359                install_dir: qemu_moddir)
3360endforeach
3361if emulator_modules.length() > 0
3362  alias_target('modules', emulator_modules)
3363endif
3364
3365softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3366common_ss.add(qom, qemuutil)
3367
3368common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3369common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3370
3371common_all = common_ss.apply(config_all, strict: false)
3372common_all = static_library('common',
3373                            build_by_default: false,
3374                            sources: common_all.sources() + genh,
3375                            include_directories: common_user_inc,
3376                            implicit_include_directories: false,
3377                            dependencies: common_all.dependencies(),
3378                            name_suffix: 'fa')
3379
3380feature_to_c = find_program('scripts/feature_to_c.sh')
3381
3382if targetos == 'darwin'
3383  entitlement = find_program('scripts/entitlement.sh')
3384endif
3385
3386emulators = {}
3387foreach target : target_dirs
3388  config_target = config_target_mak[target]
3389  target_name = config_target['TARGET_NAME']
3390  target_base_arch = config_target['TARGET_BASE_ARCH']
3391  arch_srcs = [config_target_h[target]]
3392  arch_deps = []
3393  c_args = ['-DNEED_CPU_H',
3394            '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3395            '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3396  link_args = emulator_link_args
3397
3398  config_target += config_host
3399  target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3400  if targetos == 'linux'
3401    target_inc += include_directories('linux-headers', is_system: true)
3402  endif
3403  if target.endswith('-softmmu')
3404    target_type='system'
3405    t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3406    arch_srcs += t.sources()
3407    arch_deps += t.dependencies()
3408
3409    hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3410    hw = hw_arch[hw_dir].apply(config_target, strict: false)
3411    arch_srcs += hw.sources()
3412    arch_deps += hw.dependencies()
3413
3414    arch_srcs += config_devices_h[target]
3415    link_args += ['@block.syms', '@qemu.syms']
3416  else
3417    abi = config_target['TARGET_ABI_DIR']
3418    target_type='user'
3419    target_inc += common_user_inc
3420    if target_base_arch in target_user_arch
3421      t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3422      arch_srcs += t.sources()
3423      arch_deps += t.dependencies()
3424    endif
3425    if 'CONFIG_LINUX_USER' in config_target
3426      base_dir = 'linux-user'
3427    endif
3428    if 'CONFIG_BSD_USER' in config_target
3429      base_dir = 'bsd-user'
3430      target_inc += include_directories('bsd-user/' / targetos)
3431      target_inc += include_directories('bsd-user/host/' / host_arch)
3432      dir = base_dir / abi
3433      arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3434    endif
3435    target_inc += include_directories(
3436      base_dir,
3437      base_dir / abi,
3438    )
3439    if 'CONFIG_LINUX_USER' in config_target
3440      dir = base_dir / abi
3441      arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3442      if config_target.has_key('TARGET_SYSTBL_ABI')
3443        arch_srcs += \
3444          syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3445                                             extra_args : config_target['TARGET_SYSTBL_ABI'])
3446      endif
3447    endif
3448  endif
3449
3450  if 'TARGET_XML_FILES' in config_target
3451    gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3452                                output: target + '-gdbstub-xml.c',
3453                                input: files(config_target['TARGET_XML_FILES'].split()),
3454                                command: [feature_to_c, '@INPUT@'],
3455                                capture: true)
3456    arch_srcs += gdbstub_xml
3457  endif
3458
3459  t = target_arch[target_base_arch].apply(config_target, strict: false)
3460  arch_srcs += t.sources()
3461  arch_deps += t.dependencies()
3462
3463  target_common = common_ss.apply(config_target, strict: false)
3464  objects = common_all.extract_objects(target_common.sources())
3465  deps = target_common.dependencies()
3466
3467  target_specific = specific_ss.apply(config_target, strict: false)
3468  arch_srcs += target_specific.sources()
3469  arch_deps += target_specific.dependencies()
3470
3471  lib = static_library('qemu-' + target,
3472                 sources: arch_srcs + genh,
3473                 dependencies: arch_deps,
3474                 objects: objects,
3475                 include_directories: target_inc,
3476                 c_args: c_args,
3477                 build_by_default: false,
3478                 name_suffix: 'fa')
3479
3480  if target.endswith('-softmmu')
3481    execs = [{
3482      'name': 'qemu-system-' + target_name,
3483      'win_subsystem': 'console',
3484      'sources': files('softmmu/main.c'),
3485      'dependencies': []
3486    }]
3487    if targetos == 'windows' and (sdl.found() or gtk.found())
3488      execs += [{
3489        'name': 'qemu-system-' + target_name + 'w',
3490        'win_subsystem': 'windows',
3491        'sources': files('softmmu/main.c'),
3492        'dependencies': []
3493      }]
3494    endif
3495    if get_option('fuzzing')
3496      specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3497      execs += [{
3498        'name': 'qemu-fuzz-' + target_name,
3499        'win_subsystem': 'console',
3500        'sources': specific_fuzz.sources(),
3501        'dependencies': specific_fuzz.dependencies(),
3502      }]
3503    endif
3504  else
3505    execs = [{
3506      'name': 'qemu-' + target_name,
3507      'win_subsystem': 'console',
3508      'sources': [],
3509      'dependencies': []
3510    }]
3511  endif
3512  foreach exe: execs
3513    exe_name = exe['name']
3514    if targetos == 'darwin'
3515      exe_name += '-unsigned'
3516    endif
3517
3518    emulator = executable(exe_name, exe['sources'],
3519               install: true,
3520               c_args: c_args,
3521               dependencies: arch_deps + deps + exe['dependencies'],
3522               objects: lib.extract_all_objects(recursive: true),
3523               link_language: link_language,
3524               link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3525               link_args: link_args,
3526               win_subsystem: exe['win_subsystem'])
3527
3528    if targetos == 'darwin'
3529      icon = 'pc-bios/qemu.rsrc'
3530      build_input = [emulator, files(icon)]
3531      install_input = [
3532        get_option('bindir') / exe_name,
3533        meson.current_source_dir() / icon
3534      ]
3535      if 'CONFIG_HVF' in config_target
3536        entitlements = 'accel/hvf/entitlements.plist'
3537        build_input += files(entitlements)
3538        install_input += meson.current_source_dir() / entitlements
3539      endif
3540
3541      emulators += {exe['name'] : custom_target(exe['name'],
3542                   input: build_input,
3543                   output: exe['name'],
3544                   command: [entitlement, '@OUTPUT@', '@INPUT@'])
3545      }
3546
3547      meson.add_install_script(entitlement, '--install',
3548                               get_option('bindir') / exe['name'],
3549                               install_input)
3550    else
3551      emulators += {exe['name']: emulator}
3552    endif
3553
3554    if stap.found()
3555      foreach stp: [
3556        {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3557        {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3558        {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3559        {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3560      ]
3561        custom_target(exe['name'] + stp['ext'],
3562                      input: trace_events_all,
3563                      output: exe['name'] + stp['ext'],
3564                      install: stp['install'],
3565                      install_dir: get_option('datadir') / 'systemtap/tapset',
3566                      command: [
3567                        tracetool, '--group=all', '--format=' + stp['fmt'],
3568                        '--binary=' + stp['bin'],
3569                        '--target-name=' + target_name,
3570                        '--target-type=' + target_type,
3571                        '--probe-prefix=qemu.' + target_type + '.' + target_name,
3572                        '@INPUT@', '@OUTPUT@'
3573                      ],
3574                      depend_files: tracetool_depends)
3575      endforeach
3576    endif
3577  endforeach
3578endforeach
3579
3580# Other build targets
3581
3582if 'CONFIG_PLUGIN' in config_host
3583  install_headers('include/qemu/qemu-plugin.h')
3584endif
3585
3586subdir('qga')
3587
3588# Don't build qemu-keymap if xkbcommon is not explicitly enabled
3589# when we don't build tools or system
3590if xkbcommon.found()
3591  # used for the update-keymaps target, so include rules even if !have_tools
3592  qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3593                           dependencies: [qemuutil, xkbcommon], install: have_tools)
3594endif
3595
3596if have_tools
3597  qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3598             dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3599  qemu_io = executable('qemu-io', files('qemu-io.c'),
3600             dependencies: [block, qemuutil], install: true)
3601  qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3602               dependencies: [blockdev, qemuutil, gnutls, selinux],
3603               install: true)
3604
3605  subdir('storage-daemon')
3606  subdir('contrib/rdmacm-mux')
3607  subdir('contrib/elf2dmp')
3608
3609  executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3610             dependencies: qemuutil,
3611             install: true)
3612
3613  if have_vhost_user
3614    subdir('contrib/vhost-user-blk')
3615    subdir('contrib/vhost-user-gpu')
3616    subdir('contrib/vhost-user-input')
3617    subdir('contrib/vhost-user-scsi')
3618  endif
3619
3620  if targetos == 'linux'
3621    executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3622               dependencies: [qemuutil, libcap_ng],
3623               install: true,
3624               install_dir: get_option('libexecdir'))
3625
3626    executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3627               dependencies: [authz, crypto, io, qom, qemuutil,
3628                              libcap_ng, mpathpersist],
3629               install: true)
3630  endif
3631
3632  if have_ivshmem
3633    subdir('contrib/ivshmem-client')
3634    subdir('contrib/ivshmem-server')
3635  endif
3636endif
3637
3638subdir('scripts')
3639subdir('tools')
3640subdir('pc-bios')
3641subdir('docs')
3642subdir('tests')
3643if gtk.found()
3644  subdir('po')
3645endif
3646
3647if host_machine.system() == 'windows'
3648  nsis_cmd = [
3649    find_program('scripts/nsis.py'),
3650    '@OUTPUT@',
3651    get_option('prefix'),
3652    meson.current_source_dir(),
3653    config_host['GLIB_BINDIR'],
3654    host_machine.cpu(),
3655    '--',
3656    '-DDISPLAYVERSION=' + meson.project_version(),
3657  ]
3658  if build_docs
3659    nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3660  endif
3661  if gtk.found()
3662    nsis_cmd += '-DCONFIG_GTK=y'
3663  endif
3664
3665  nsis = custom_target('nsis',
3666                       output: 'qemu-setup-' + meson.project_version() + '.exe',
3667                       input: files('qemu.nsi'),
3668                       build_always_stale: true,
3669                       command: nsis_cmd + ['@INPUT@'])
3670  alias_target('installer', nsis)
3671endif
3672
3673#########################
3674# Configuration summary #
3675#########################
3676
3677# Directories
3678summary_info = {}
3679summary_info += {'Install prefix':    get_option('prefix')}
3680summary_info += {'BIOS directory':    qemu_datadir}
3681pathsep = targetos == 'windows' ? ';' : ':'
3682summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
3683summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3684summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3685summary_info += {'module directory':  qemu_moddir}
3686summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3687summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3688summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3689if targetos != 'windows'
3690  summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3691  summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3692else
3693  summary_info += {'local state directory': 'queried at runtime'}
3694endif
3695summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3696summary_info += {'Build directory':   meson.current_build_dir()}
3697summary_info += {'Source path':       meson.current_source_dir()}
3698summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3699summary(summary_info, bool_yn: true, section: 'Directories')
3700
3701# Host binaries
3702summary_info = {}
3703summary_info += {'git':               config_host['GIT']}
3704summary_info += {'make':              config_host['MAKE']}
3705summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3706summary_info += {'sphinx-build':      sphinx_build}
3707if config_host.has_key('HAVE_GDB_BIN')
3708  summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3709endif
3710summary_info += {'iasl':              iasl}
3711summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3712if targetos == 'windows' and have_ga
3713  summary_info += {'wixl':            wixl}
3714endif
3715if slirp.found() and have_system
3716  summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3717endif
3718summary(summary_info, bool_yn: true, section: 'Host binaries')
3719
3720# Configurable features
3721summary_info = {}
3722summary_info += {'Documentation':     build_docs}
3723summary_info += {'system-mode emulation': have_system}
3724summary_info += {'user-mode emulation': have_user}
3725summary_info += {'block layer':       have_block}
3726summary_info += {'Install blobs':     get_option('install_blobs')}
3727summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3728if config_host.has_key('CONFIG_MODULES')
3729  summary_info += {'alternative module path': get_option('module_upgrades')}
3730endif
3731summary_info += {'fuzzing support':   get_option('fuzzing')}
3732if have_system
3733  summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3734endif
3735summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3736if 'simple' in get_option('trace_backends')
3737  summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3738endif
3739summary_info += {'D-Bus display':     dbus_display}
3740summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3741summary_info += {'vhost-kernel support': have_vhost_kernel}
3742summary_info += {'vhost-net support': have_vhost_net}
3743summary_info += {'vhost-user support': have_vhost_user}
3744summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3745summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3746summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3747summary_info += {'build guest agent': have_ga}
3748summary(summary_info, bool_yn: true, section: 'Configurable features')
3749
3750# Compilation information
3751summary_info = {}
3752summary_info += {'host CPU':          cpu}
3753summary_info += {'host endianness':   build_machine.endian()}
3754summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3755summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3756if link_language == 'cpp'
3757  summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3758else
3759  summary_info += {'C++ compiler':      false}
3760endif
3761if targetos == 'darwin'
3762  summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3763endif
3764option_cflags = (get_option('debug') ? ['-g'] : [])
3765if get_option('optimization') != 'plain'
3766  option_cflags += ['-O' + get_option('optimization')]
3767endif
3768summary_info += {'CFLAGS':            ' '.join(get_option('c_args') + option_cflags)}
3769if link_language == 'cpp'
3770  summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args') + option_cflags)}
3771endif
3772if targetos == 'darwin'
3773  summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args') + option_cflags)}
3774endif
3775link_args = get_option(link_language + '_link_args')
3776if link_args.length() > 0
3777  summary_info += {'LDFLAGS':         ' '.join(link_args)}
3778endif
3779summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3780if 'cpp' in all_languages
3781  summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3782endif
3783if 'objc' in all_languages
3784  summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3785endif
3786summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3787summary_info += {'profiler':          get_option('profiler')}
3788summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3789summary_info += {'PIE':               get_option('b_pie')}
3790summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3791summary_info += {'malloc trim support': has_malloc_trim}
3792summary_info += {'membarrier':        have_membarrier}
3793summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3794summary_info += {'mutex debugging':   get_option('debug_mutex')}
3795summary_info += {'memory allocator':  get_option('malloc')}
3796summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3797summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3798summary_info += {'gprof enabled':     get_option('gprof')}
3799summary_info += {'gcov':              get_option('b_coverage')}
3800summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3801summary_info += {'CFI support':       get_option('cfi')}
3802if get_option('cfi')
3803  summary_info += {'CFI debug support': get_option('cfi_debug')}
3804endif
3805summary_info += {'strip binaries':    get_option('strip')}
3806summary_info += {'sparse':            sparse}
3807summary_info += {'mingw32 support':   targetos == 'windows'}
3808summary(summary_info, bool_yn: true, section: 'Compilation')
3809
3810# snarf the cross-compilation information for tests
3811summary_info = {}
3812have_cross = false
3813foreach target: target_dirs
3814  tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
3815  if fs.exists(tcg_mak)
3816    config_cross_tcg = keyval.load(tcg_mak)
3817    if 'CC' in config_cross_tcg
3818      summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3819      have_cross = true
3820    endif
3821  endif
3822endforeach
3823if have_cross
3824  summary(summary_info, bool_yn: true, section: 'Cross compilers')
3825endif
3826
3827# Targets and accelerators
3828summary_info = {}
3829if have_system
3830  summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3831  summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3832  summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3833  summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3834  summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3835  summary_info += {'Xen support':       xen.found()}
3836  if xen.found()
3837    summary_info += {'xen ctrl version':  xen.version()}
3838  endif
3839endif
3840summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3841if config_all.has_key('CONFIG_TCG')
3842  if get_option('tcg_interpreter')
3843    summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3844  else
3845    summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3846  endif
3847  summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3848  summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3849endif
3850summary_info += {'target list':       ' '.join(target_dirs)}
3851if have_system
3852  summary_info += {'default devices':   get_option('default_devices')}
3853  summary_info += {'out of process emulation': multiprocess_allowed}
3854  summary_info += {'vfio-user server': vfio_user_server_allowed}
3855endif
3856summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3857
3858# Block layer
3859summary_info = {}
3860summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3861summary_info += {'coroutine pool':    have_coroutine_pool}
3862if have_block
3863  summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3864  summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3865  summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3866  summary_info += {'VirtFS support':    have_virtfs}
3867  summary_info += {'build virtiofs daemon': have_virtiofsd}
3868  summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3869  summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3870  summary_info += {'bochs support':     get_option('bochs').allowed()}
3871  summary_info += {'cloop support':     get_option('cloop').allowed()}
3872  summary_info += {'dmg support':       get_option('dmg').allowed()}
3873  summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3874  summary_info += {'vdi support':       get_option('vdi').allowed()}
3875  summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3876  summary_info += {'qed support':       get_option('qed').allowed()}
3877  summary_info += {'parallels support': get_option('parallels').allowed()}
3878  summary_info += {'FUSE exports':      fuse}
3879  summary_info += {'VDUSE block exports': have_vduse_blk_export}
3880endif
3881summary(summary_info, bool_yn: true, section: 'Block layer support')
3882
3883# Crypto
3884summary_info = {}
3885summary_info += {'TLS priority':      get_option('tls_priority')}
3886summary_info += {'GNUTLS support':    gnutls}
3887if gnutls.found()
3888  summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3889endif
3890summary_info += {'libgcrypt':         gcrypt}
3891summary_info += {'nettle':            nettle}
3892if nettle.found()
3893   summary_info += {'  XTS':             xts != 'private'}
3894endif
3895summary_info += {'AF_ALG support':    have_afalg}
3896summary_info += {'rng-none':          get_option('rng_none')}
3897summary_info += {'Linux keyring':     have_keyring}
3898summary(summary_info, bool_yn: true, section: 'Crypto')
3899
3900# Libraries
3901summary_info = {}
3902if targetos == 'darwin'
3903  summary_info += {'Cocoa support':           cocoa}
3904  summary_info += {'vmnet.framework support': vmnet}
3905endif
3906summary_info += {'SDL support':       sdl}
3907summary_info += {'SDL image support': sdl_image}
3908summary_info += {'GTK support':       gtk}
3909summary_info += {'pixman':            pixman}
3910summary_info += {'VTE support':       vte}
3911summary_info += {'slirp support':     slirp}
3912summary_info += {'libtasn1':          tasn1}
3913summary_info += {'PAM':               pam}
3914summary_info += {'iconv support':     iconv}
3915summary_info += {'curses support':    curses}
3916summary_info += {'virgl support':     virgl}
3917summary_info += {'blkio support':     blkio}
3918summary_info += {'curl support':      curl}
3919summary_info += {'Multipath support': mpathpersist}
3920summary_info += {'PNG support':       png}
3921summary_info += {'VNC support':       vnc}
3922if vnc.found()
3923  summary_info += {'VNC SASL support':  sasl}
3924  summary_info += {'VNC JPEG support':  jpeg}
3925endif
3926if targetos not in ['darwin', 'haiku', 'windows']
3927  summary_info += {'OSS support':     oss}
3928  summary_info += {'sndio support':   sndio}
3929elif targetos == 'darwin'
3930  summary_info += {'CoreAudio support': coreaudio}
3931elif targetos == 'windows'
3932  summary_info += {'DirectSound support': dsound}
3933endif
3934if targetos == 'linux'
3935  summary_info += {'ALSA support':    alsa}
3936  summary_info += {'PulseAudio support': pulse}
3937endif
3938summary_info += {'JACK support':      jack}
3939summary_info += {'brlapi support':    brlapi}
3940summary_info += {'vde support':       vde}
3941summary_info += {'netmap support':    have_netmap}
3942summary_info += {'l2tpv3 support':    have_l2tpv3}
3943summary_info += {'Linux AIO support': libaio}
3944summary_info += {'Linux io_uring support': linux_io_uring}
3945summary_info += {'ATTR/XATTR support': libattr}
3946summary_info += {'RDMA support':      rdma}
3947summary_info += {'PVRDMA support':    have_pvrdma}
3948summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3949summary_info += {'libcap-ng support': libcap_ng}
3950summary_info += {'bpf support':       libbpf}
3951summary_info += {'spice protocol support': spice_protocol}
3952if spice_protocol.found()
3953  summary_info += {'  spice server support': spice}
3954endif
3955summary_info += {'rbd support':       rbd}
3956summary_info += {'smartcard support': cacard}
3957summary_info += {'U2F support':       u2f}
3958summary_info += {'libusb':            libusb}
3959summary_info += {'usb net redir':     usbredir}
3960summary_info += {'OpenGL support (epoxy)': opengl}
3961summary_info += {'GBM':               gbm}
3962summary_info += {'libiscsi support':  libiscsi}
3963summary_info += {'libnfs support':    libnfs}
3964if targetos == 'windows'
3965  if have_ga
3966    summary_info += {'QGA VSS support':   have_qga_vss}
3967  endif
3968endif
3969summary_info += {'seccomp support':   seccomp}
3970summary_info += {'GlusterFS support': glusterfs}
3971summary_info += {'TPM support':       have_tpm}
3972summary_info += {'libssh support':    libssh}
3973summary_info += {'lzo support':       lzo}
3974summary_info += {'snappy support':    snappy}
3975summary_info += {'bzip2 support':     libbzip2}
3976summary_info += {'lzfse support':     liblzfse}
3977summary_info += {'zstd support':      zstd}
3978summary_info += {'NUMA host support': numa}
3979summary_info += {'capstone':          capstone}
3980summary_info += {'libpmem support':   libpmem}
3981summary_info += {'libdaxctl support': libdaxctl}
3982summary_info += {'libudev':           libudev}
3983# Dummy dependency, keep .found()
3984summary_info += {'FUSE lseek':        fuse_lseek.found()}
3985summary_info += {'selinux':           selinux}
3986summary_info += {'libdw':             libdw}
3987summary(summary_info, bool_yn: true, section: 'Dependencies')
3988
3989if not supported_cpus.contains(cpu)
3990  message()
3991  warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3992  message()
3993  message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3994  message('The QEMU project intends to remove support for this host CPU in')
3995  message('a future release if nobody volunteers to maintain it and to')
3996  message('provide a build host for our continuous integration setup.')
3997  message('configure has succeeded and you can continue to build, but')
3998  message('if you care about QEMU on this platform you should contact')
3999  message('us upstream at qemu-devel@nongnu.org.')
4000endif
4001
4002if not supported_oses.contains(targetos)
4003  message()
4004  warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4005  message()
4006  message('Host OS ' + targetos + 'support is not currently maintained.')
4007  message('The QEMU project intends to remove support for this host OS in')
4008  message('a future release if nobody volunteers to maintain it and to')
4009  message('provide a build host for our continuous integration setup.')
4010  message('configure has succeeded and you can continue to build, but')
4011  message('if you care about QEMU on this platform you should contact')
4012  message('us upstream at qemu-devel@nongnu.org.')
4013endif
4014