xref: /openbmc/qemu/meson.build (revision b8f218ef)
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  # Specify a filter to only instrument code that is directly related to
219  # virtual-devices.
220  configure_file(output: 'instrumentation-filter',
221                 input: 'scripts/oss-fuzz/instrumentation-filter-template',
222                 copy: true)
223
224  if cc.compiles('int main () { return 0; }',
225                  name: '-fsanitize-coverage-allowlist=/dev/null',
226                 args: ['-fsanitize-coverage-allowlist=/dev/null',
227                        '-fsanitize-coverage=trace-pc'] )
228    add_global_arguments('-fsanitize-coverage-allowlist=instrumentation-filter',
229                         native: false, language: all_languages)
230  endif
231
232  if get_option('fuzzing_engine') == ''
233    # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
234    # compiled code.  To build non-fuzzer binaries with --enable-fuzzing, link
235    # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
236    # unable to bind the fuzzer-related callbacks added by instrumentation.
237    add_global_arguments('-fsanitize=fuzzer-no-link',
238                         native: false, language: all_languages)
239    add_global_link_arguments('-fsanitize=fuzzer-no-link',
240                              native: false, language: all_languages)
241    # For the actual fuzzer binaries, we need to link against the libfuzzer
242    # library. They need to be configurable, to support OSS-Fuzz
243    fuzz_exe_ldflags = ['-fsanitize=fuzzer']
244  else
245    # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
246    # the needed CFLAGS have already been provided
247    fuzz_exe_ldflags = get_option('fuzzing_engine').split()
248  endif
249endif
250
251# Check that the C++ compiler exists and works with the C compiler.
252link_language = 'c'
253linker = cc
254qemu_cxxflags = []
255if 'cpp' in all_languages
256  add_global_arguments(['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'],
257                       native: false, language: 'cpp')
258  foreach k: qemu_cflags
259    if k not in ['-Wstrict-prototypes', '-Wmissing-prototypes', '-Wnested-externs',
260                 '-Wold-style-declaration', '-Wold-style-definition', '-Wredundant-decls']
261      qemu_cxxflags += [k]
262    endif
263  endforeach
264
265  if cxx.links(files('scripts/main.c'), args: qemu_cflags)
266    link_language = 'cpp'
267    linker = cxx
268  else
269    message('C++ compiler does not work with C compiler')
270    message('Disabling C++-specific optional code')
271  endif
272endif
273
274# Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
275if targetos != 'sunos' and not config_host.has_key('CONFIG_TSAN')
276  qemu_ldflags += linker.get_supported_link_arguments('-Wl,--warn-common')
277endif
278
279add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
280
281add_global_arguments(qemu_cflags, native: false, language: 'c')
282add_global_arguments(qemu_cxxflags, native: false, language: 'cpp')
283add_global_arguments(qemu_objcflags, native: false, language: 'objc')
284if targetos == 'linux'
285  add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
286                        '-isystem', 'linux-headers',
287                        language: all_languages)
288endif
289
290add_project_arguments('-iquote', '.',
291                      '-iquote', meson.current_source_dir(),
292                      '-iquote', meson.current_source_dir() / 'include',
293                      language: all_languages)
294
295sparse = find_program('cgcc', required: get_option('sparse'))
296if sparse.found()
297  run_target('sparse',
298             command: [find_program('scripts/check_sparse.py'),
299                       'compile_commands.json', sparse.full_path(), '-Wbitwise',
300                       '-Wno-transparent-union', '-Wno-old-initializer',
301                       '-Wno-non-pointer-null'])
302endif
303
304###########################################
305# Target-specific checks and dependencies #
306###########################################
307
308# Fuzzing
309if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
310    not cc.links('''
311          #include <stdint.h>
312          #include <sys/types.h>
313          int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
314          int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
315        ''',
316        args: ['-Werror', '-fsanitize=fuzzer'])
317  error('Your compiler does not support -fsanitize=fuzzer')
318endif
319
320# Tracing backends
321if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
322  error('ftrace is supported only on Linux')
323endif
324if 'syslog' in get_option('trace_backends') and not cc.compiles('''
325    #include <syslog.h>
326    int main(void) {
327        openlog("qemu", LOG_PID, LOG_DAEMON);
328        syslog(LOG_INFO, "configure");
329        return 0;
330    }''')
331  error('syslog is not supported on this system')
332endif
333
334# Miscellaneous Linux-only features
335get_option('mpath') \
336  .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
337
338multiprocess_allowed = get_option('multiprocess') \
339  .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
340  .allowed()
341
342vfio_user_server_allowed = get_option('vfio_user_server') \
343  .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
344  .allowed()
345
346have_tpm = get_option('tpm') \
347  .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
348  .allowed()
349
350# vhost
351have_vhost_user = get_option('vhost_user') \
352  .disable_auto_if(targetos != 'linux') \
353  .require(targetos != 'windows',
354           error_message: 'vhost-user is not available on Windows').allowed()
355have_vhost_vdpa = get_option('vhost_vdpa') \
356  .require(targetos == 'linux',
357           error_message: 'vhost-vdpa is only available on Linux').allowed()
358have_vhost_kernel = get_option('vhost_kernel') \
359  .require(targetos == 'linux',
360           error_message: 'vhost-kernel is only available on Linux').allowed()
361have_vhost_user_crypto = get_option('vhost_crypto') \
362  .require(have_vhost_user,
363           error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
364
365have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
366
367have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
368have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
369have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
370have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
371
372# Target-specific libraries and flags
373libm = cc.find_library('m', required: false)
374threads = dependency('threads')
375util = cc.find_library('util', required: false)
376winmm = []
377socket = []
378version_res = []
379coref = []
380iokit = []
381emulator_link_args = []
382nvmm =not_found
383hvf = not_found
384midl = not_found
385widl = not_found
386pathcch = not_found
387host_dsosuf = '.so'
388if targetos == 'windows'
389  midl = find_program('midl', required: false)
390  widl = find_program('widl', required: false)
391  pathcch = cc.find_library('pathcch')
392  socket = cc.find_library('ws2_32')
393  winmm = cc.find_library('winmm')
394
395  win = import('windows')
396  version_res = win.compile_resources('version.rc',
397                                      depend_files: files('pc-bios/qemu-nsis.ico'),
398                                      include_directories: include_directories('.'))
399  host_dsosuf = '.dll'
400elif targetos == 'darwin'
401  coref = dependency('appleframeworks', modules: 'CoreFoundation')
402  iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
403  host_dsosuf = '.dylib'
404elif targetos == 'sunos'
405  socket = [cc.find_library('socket'),
406            cc.find_library('nsl'),
407            cc.find_library('resolv')]
408elif targetos == 'haiku'
409  socket = [cc.find_library('posix_error_mapper'),
410            cc.find_library('network'),
411            cc.find_library('bsd')]
412elif targetos == 'openbsd'
413  if get_option('tcg').allowed() and target_dirs.length() > 0
414    # Disable OpenBSD W^X if available
415    emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
416  endif
417endif
418
419# Target-specific configuration of accelerators
420accelerators = []
421if get_option('kvm').allowed() and targetos == 'linux'
422  accelerators += 'CONFIG_KVM'
423endif
424if get_option('whpx').allowed() and targetos == 'windows'
425  if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
426    error('WHPX requires 64-bit host')
427  elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
428       cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
429    accelerators += 'CONFIG_WHPX'
430  endif
431endif
432if get_option('hvf').allowed()
433  hvf = dependency('appleframeworks', modules: 'Hypervisor',
434                   required: get_option('hvf'))
435  if hvf.found()
436    accelerators += 'CONFIG_HVF'
437  endif
438endif
439if get_option('hax').allowed()
440  if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
441    accelerators += 'CONFIG_HAX'
442  endif
443endif
444if targetos == 'netbsd'
445  nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
446  if nvmm.found()
447    accelerators += 'CONFIG_NVMM'
448  endif
449endif
450
451tcg_arch = host_arch
452if get_option('tcg').allowed()
453  if host_arch == 'unknown'
454    if get_option('tcg_interpreter')
455      warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
456    else
457      error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
458    endif
459  elif get_option('tcg_interpreter')
460    warning('Use of the TCG interpreter is not recommended on this host')
461    warning('architecture. There is a native TCG execution backend available')
462    warning('which provides substantially better performance and reliability.')
463    warning('It is strongly recommended to remove the --enable-tcg-interpreter')
464    warning('configuration option on this architecture to use the native')
465    warning('backend.')
466  endif
467  if get_option('tcg_interpreter')
468    tcg_arch = 'tci'
469    config_host += { 'CONFIG_TCG_INTERPRETER': 'y' }
470  elif host_arch == 'x86_64'
471    tcg_arch = 'i386'
472  elif host_arch == 'ppc64'
473    tcg_arch = 'ppc'
474  endif
475  add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
476                        language: all_languages)
477
478  accelerators += 'CONFIG_TCG'
479  config_host += { 'CONFIG_TCG': 'y' }
480endif
481
482if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
483  error('KVM not available on this platform')
484endif
485if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
486  error('HVF not available on this platform')
487endif
488if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
489  error('NVMM not available on this platform')
490endif
491if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
492  error('WHPX not available on this platform')
493endif
494
495################
496# Dependencies #
497################
498
499# The path to glib.h is added to all compilation commands.  This was
500# grandfathered in from the QEMU Makefiles.
501add_project_arguments(config_host['GLIB_CFLAGS'].split(),
502                      native: false, language: all_languages)
503glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
504                          link_args: config_host['GLIB_LIBS'].split(),
505                          version: config_host['GLIB_VERSION'],
506                          variables: {
507                            'bindir': config_host['GLIB_BINDIR'],
508                          })
509# override glib dep with the configure results (for subprojects)
510meson.override_dependency('glib-2.0', glib)
511
512gio = not_found
513gdbus_codegen = not_found
514gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
515if not get_option('gio').auto() or have_system
516  gio = dependency('gio-2.0', required: get_option('gio'),
517                   method: 'pkg-config', kwargs: static_kwargs)
518  if gio.found() and not cc.links('''
519    #include <gio/gio.h>
520    int main(void)
521    {
522      g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
523      return 0;
524    }''', dependencies: [glib, gio])
525    if get_option('gio').enabled()
526      error('The installed libgio is broken for static linking')
527    endif
528    gio = not_found
529  endif
530  if gio.found()
531    gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
532                                 required: get_option('gio'))
533    gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
534                          method: 'pkg-config', kwargs: static_kwargs)
535    gio = declare_dependency(dependencies: [gio, gio_unix],
536                             version: gio.version())
537  endif
538endif
539if gdbus_codegen.found() and get_option('cfi')
540  gdbus_codegen = not_found
541  gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
542endif
543
544lttng = not_found
545if 'ust' in get_option('trace_backends')
546  lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
547                     method: 'pkg-config', kwargs: static_kwargs)
548endif
549pixman = not_found
550if have_system or have_tools
551  pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
552                      method: 'pkg-config', kwargs: static_kwargs)
553endif
554zlib = dependency('zlib', required: true, kwargs: static_kwargs)
555
556libaio = not_found
557if not get_option('linux_aio').auto() or have_block
558  libaio = cc.find_library('aio', has_headers: ['libaio.h'],
559                           required: get_option('linux_aio'),
560                           kwargs: static_kwargs)
561endif
562
563linux_io_uring_test = '''
564  #include <liburing.h>
565  #include <linux/errqueue.h>
566
567  int main(void) { return 0; }'''
568
569linux_io_uring = not_found
570if not get_option('linux_io_uring').auto() or have_block
571  linux_io_uring = dependency('liburing', version: '>=0.3',
572                              required: get_option('linux_io_uring'),
573                              method: 'pkg-config', kwargs: static_kwargs)
574  if not cc.links(linux_io_uring_test)
575    linux_io_uring = not_found
576  endif
577endif
578
579libnfs = not_found
580if not get_option('libnfs').auto() or have_block
581  libnfs = dependency('libnfs', version: '>=1.9.3',
582                      required: get_option('libnfs'),
583                      method: 'pkg-config', kwargs: static_kwargs)
584endif
585
586libattr_test = '''
587  #include <stddef.h>
588  #include <sys/types.h>
589  #ifdef CONFIG_LIBATTR
590  #include <attr/xattr.h>
591  #else
592  #include <sys/xattr.h>
593  #endif
594  int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
595
596libattr = not_found
597have_old_libattr = false
598if get_option('attr').allowed()
599  if cc.links(libattr_test)
600    libattr = declare_dependency()
601  else
602    libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
603                              required: get_option('attr'),
604                              kwargs: static_kwargs)
605    if libattr.found() and not \
606      cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
607      libattr = not_found
608      if get_option('attr').enabled()
609        error('could not link libattr')
610      else
611        warning('could not link libattr, disabling')
612      endif
613    else
614      have_old_libattr = libattr.found()
615    endif
616  endif
617endif
618
619cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
620                   required: get_option('cocoa'))
621
622vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
623if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
624                                              'VMNET_BRIDGED_MODE',
625                                              dependencies: vmnet)
626  vmnet = not_found
627  if get_option('vmnet').enabled()
628    error('vmnet.framework API is outdated')
629  else
630    warning('vmnet.framework API is outdated, disabling')
631  endif
632endif
633
634seccomp = not_found
635seccomp_has_sysrawrc = false
636if not get_option('seccomp').auto() or have_system or have_tools
637  seccomp = dependency('libseccomp', version: '>=2.3.0',
638                       required: get_option('seccomp'),
639                       method: 'pkg-config', kwargs: static_kwargs)
640  if seccomp.found()
641    seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
642                                                'SCMP_FLTATR_API_SYSRAWRC',
643                                                dependencies: seccomp)
644  endif
645endif
646
647libcap_ng = not_found
648if not get_option('cap_ng').auto() or have_system or have_tools
649  libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
650                              required: get_option('cap_ng'),
651                              kwargs: static_kwargs)
652endif
653if libcap_ng.found() and not cc.links('''
654   #include <cap-ng.h>
655   int main(void)
656   {
657     capng_capability_to_name(CAPNG_EFFECTIVE);
658     return 0;
659   }''', dependencies: libcap_ng)
660  libcap_ng = not_found
661  if get_option('cap_ng').enabled()
662    error('could not link libcap-ng')
663  else
664    warning('could not link libcap-ng, disabling')
665  endif
666endif
667
668if get_option('xkbcommon').auto() and not have_system and not have_tools
669  xkbcommon = not_found
670else
671  xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
672                         method: 'pkg-config', kwargs: static_kwargs)
673endif
674
675slirp = not_found
676if not get_option('slirp').auto() or have_system
677  slirp = dependency('slirp', required: get_option('slirp'),
678                     method: 'pkg-config', kwargs: static_kwargs)
679  # slirp < 4.7 is incompatible with CFI support in QEMU.  This is because
680  # it passes function pointers within libslirp as callbacks for timers.
681  # When using a system-wide shared libslirp, the type information for the
682  # callback is missing and the timer call produces a false positive with CFI.
683  # Do not use the "version" keyword argument to produce a better error.
684  # with control-flow integrity.
685  if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
686    if get_option('slirp').enabled()
687      error('Control-Flow Integrity requires libslirp 4.7.')
688    else
689      warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
690      slirp = not_found
691    endif
692  endif
693endif
694
695vde = not_found
696if not get_option('vde').auto() or have_system or have_tools
697  vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
698                           required: get_option('vde'),
699                           kwargs: static_kwargs)
700endif
701if vde.found() and not cc.links('''
702   #include <libvdeplug.h>
703   int main(void)
704   {
705     struct vde_open_args a = {0, 0, 0};
706     char s[] = "";
707     vde_open(s, s, &a);
708     return 0;
709   }''', dependencies: vde)
710  vde = not_found
711  if get_option('cap_ng').enabled()
712    error('could not link libvdeplug')
713  else
714    warning('could not link libvdeplug, disabling')
715  endif
716endif
717
718pulse = not_found
719if not get_option('pa').auto() or (targetos == 'linux' and have_system)
720  pulse = dependency('libpulse', required: get_option('pa'),
721                     method: 'pkg-config', kwargs: static_kwargs)
722endif
723alsa = not_found
724if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
725  alsa = dependency('alsa', required: get_option('alsa'),
726                    method: 'pkg-config', kwargs: static_kwargs)
727endif
728jack = not_found
729if not get_option('jack').auto() or have_system
730  jack = dependency('jack', required: get_option('jack'),
731                    method: 'pkg-config', kwargs: static_kwargs)
732endif
733sndio = not_found
734if not get_option('sndio').auto() or have_system
735  sndio = dependency('sndio', required: get_option('sndio'),
736                    method: 'pkg-config', kwargs: static_kwargs)
737endif
738
739spice_protocol = not_found
740if not get_option('spice_protocol').auto() or have_system
741  spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
742                              required: get_option('spice_protocol'),
743                              method: 'pkg-config', kwargs: static_kwargs)
744endif
745spice = not_found
746if not get_option('spice').auto() or have_system
747  spice = dependency('spice-server', version: '>=0.14.0',
748                     required: get_option('spice'),
749                     method: 'pkg-config', kwargs: static_kwargs)
750endif
751spice_headers = spice.partial_dependency(compile_args: true, includes: true)
752
753rt = cc.find_library('rt', required: false)
754
755libiscsi = not_found
756if not get_option('libiscsi').auto() or have_block
757  libiscsi = dependency('libiscsi', version: '>=1.9.0',
758                         required: get_option('libiscsi'),
759                         method: 'pkg-config', kwargs: static_kwargs)
760endif
761zstd = not_found
762if not get_option('zstd').auto() or have_block
763  zstd = dependency('libzstd', version: '>=1.4.0',
764                    required: get_option('zstd'),
765                    method: 'pkg-config', kwargs: static_kwargs)
766endif
767virgl = not_found
768
769have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
770if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
771  virgl = dependency('virglrenderer',
772                     method: 'pkg-config',
773                     required: get_option('virglrenderer'),
774                     kwargs: static_kwargs)
775endif
776blkio = not_found
777if not get_option('blkio').auto() or have_block
778  blkio = dependency('blkio',
779                     method: 'pkg-config',
780                     required: get_option('blkio'),
781                     kwargs: static_kwargs)
782endif
783curl = not_found
784if not get_option('curl').auto() or have_block
785  curl = dependency('libcurl', version: '>=7.29.0',
786                    method: 'pkg-config',
787                    required: get_option('curl'),
788                    kwargs: static_kwargs)
789endif
790libudev = not_found
791if targetos == 'linux' and (have_system or have_tools)
792  libudev = dependency('libudev',
793                       method: 'pkg-config',
794                       required: get_option('libudev'),
795                       kwargs: static_kwargs)
796endif
797
798mpathlibs = [libudev]
799mpathpersist = not_found
800mpathpersist_new_api = false
801if targetos == 'linux' and have_tools and get_option('mpath').allowed()
802  mpath_test_source_new = '''
803    #include <libudev.h>
804    #include <mpath_persist.h>
805    unsigned mpath_mx_alloc_len = 1024;
806    int logsink;
807    static struct config *multipath_conf;
808    extern struct udev *udev;
809    extern struct config *get_multipath_config(void);
810    extern void put_multipath_config(struct config *conf);
811    struct udev *udev;
812    struct config *get_multipath_config(void) { return multipath_conf; }
813    void put_multipath_config(struct config *conf) { }
814    int main(void) {
815        udev = udev_new();
816        multipath_conf = mpath_lib_init();
817        return 0;
818    }'''
819  mpath_test_source_old = '''
820      #include <libudev.h>
821      #include <mpath_persist.h>
822      unsigned mpath_mx_alloc_len = 1024;
823      int logsink;
824      int main(void) {
825          struct udev *udev = udev_new();
826          mpath_lib_init(udev);
827          return 0;
828      }'''
829  libmpathpersist = cc.find_library('mpathpersist',
830                                    required: get_option('mpath'),
831                                    kwargs: static_kwargs)
832  if libmpathpersist.found()
833    mpathlibs += libmpathpersist
834    if enable_static
835      mpathlibs += cc.find_library('devmapper',
836                                     required: get_option('mpath'),
837                                     kwargs: static_kwargs)
838    endif
839    mpathlibs += cc.find_library('multipath',
840                                 required: get_option('mpath'),
841                                 kwargs: static_kwargs)
842    foreach lib: mpathlibs
843      if not lib.found()
844        mpathlibs = []
845        break
846      endif
847    endforeach
848    if mpathlibs.length() == 0
849      msg = 'Dependencies missing for libmpathpersist'
850    elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
851      mpathpersist = declare_dependency(dependencies: mpathlibs)
852      mpathpersist_new_api = true
853    elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
854      mpathpersist = declare_dependency(dependencies: mpathlibs)
855    else
856      msg = 'Cannot detect libmpathpersist API'
857    endif
858    if not mpathpersist.found()
859      if get_option('mpath').enabled()
860        error(msg)
861      else
862        warning(msg + ', disabling')
863      endif
864    endif
865  endif
866endif
867
868iconv = not_found
869curses = not_found
870if have_system and get_option('curses').allowed()
871  curses_test = '''
872    #if defined(__APPLE__) || defined(__OpenBSD__)
873    #define _XOPEN_SOURCE_EXTENDED 1
874    #endif
875    #include <locale.h>
876    #include <curses.h>
877    #include <wchar.h>
878    int main(void) {
879      wchar_t wch = L'w';
880      setlocale(LC_ALL, "");
881      resize_term(0, 0);
882      addwstr(L"wide chars\n");
883      addnwstr(&wch, 1);
884      add_wch(WACS_DEGREE);
885      return 0;
886    }'''
887
888  curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
889  curses = dependency(curses_dep_list,
890                      required: false,
891                      method: 'pkg-config',
892                      kwargs: static_kwargs)
893  msg = get_option('curses').enabled() ? 'curses library not found' : ''
894  curses_compile_args = ['-DNCURSES_WIDECHAR=1']
895  if curses.found()
896    if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
897      curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
898    else
899      msg = 'curses package not usable'
900      curses = not_found
901    endif
902  endif
903  if not curses.found()
904    has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
905    if targetos != 'windows' and not has_curses_h
906      message('Trying with /usr/include/ncursesw')
907      curses_compile_args += ['-I/usr/include/ncursesw']
908      has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
909    endif
910    if has_curses_h
911      curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
912      foreach curses_libname : curses_libname_list
913        libcurses = cc.find_library(curses_libname,
914                                    required: false,
915                                    kwargs: static_kwargs)
916        if libcurses.found()
917          if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
918            curses = declare_dependency(compile_args: curses_compile_args,
919                                        dependencies: [libcurses])
920            break
921          else
922            msg = 'curses library not usable'
923          endif
924        endif
925      endforeach
926    endif
927  endif
928  if get_option('iconv').allowed()
929    foreach link_args : [ ['-liconv'], [] ]
930      # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
931      # We need to use libiconv if available because mixing libiconv's headers with
932      # the system libc does not work.
933      # However, without adding glib to the dependencies -L/usr/local/lib will not be
934      # included in the command line and libiconv will not be found.
935      if cc.links('''
936        #include <iconv.h>
937        int main(void) {
938          iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
939          return conv != (iconv_t) -1;
940        }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
941        iconv = declare_dependency(link_args: link_args, dependencies: glib)
942        break
943      endif
944    endforeach
945  endif
946  if curses.found() and not iconv.found()
947    if get_option('iconv').enabled()
948      error('iconv not available')
949    endif
950    msg = 'iconv required for curses UI but not available'
951    curses = not_found
952  endif
953  if not curses.found() and msg != ''
954    if get_option('curses').enabled()
955      error(msg)
956    else
957      warning(msg + ', disabling')
958    endif
959  endif
960endif
961
962brlapi = not_found
963if not get_option('brlapi').auto() or have_system
964  brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
965                         required: get_option('brlapi'),
966                         kwargs: static_kwargs)
967  if brlapi.found() and not cc.links('''
968     #include <brlapi.h>
969     #include <stddef.h>
970     int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
971    brlapi = not_found
972    if get_option('brlapi').enabled()
973      error('could not link brlapi')
974    else
975      warning('could not link brlapi, disabling')
976    endif
977  endif
978endif
979
980sdl = not_found
981if not get_option('sdl').auto() or have_system
982  sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
983  sdl_image = not_found
984endif
985if sdl.found()
986  # work around 2.0.8 bug
987  sdl = declare_dependency(compile_args: '-Wno-undef',
988                           dependencies: sdl)
989  sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
990                         method: 'pkg-config', kwargs: static_kwargs)
991else
992  if get_option('sdl_image').enabled()
993    error('sdl-image required, but SDL was @0@'.format(
994          get_option('sdl').disabled() ? 'disabled' : 'not found'))
995  endif
996  sdl_image = not_found
997endif
998
999rbd = not_found
1000if not get_option('rbd').auto() or have_block
1001  librados = cc.find_library('rados', required: get_option('rbd'),
1002                             kwargs: static_kwargs)
1003  librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1004                           required: get_option('rbd'),
1005                           kwargs: static_kwargs)
1006  if librados.found() and librbd.found()
1007    if cc.links('''
1008      #include <stdio.h>
1009      #include <rbd/librbd.h>
1010      int main(void) {
1011        rados_t cluster;
1012        rados_create(&cluster, NULL);
1013        #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1014        #error
1015        #endif
1016        return 0;
1017      }''', dependencies: [librbd, librados])
1018      rbd = declare_dependency(dependencies: [librbd, librados])
1019    elif get_option('rbd').enabled()
1020      error('librbd >= 1.12.0 required')
1021    else
1022      warning('librbd >= 1.12.0 not found, disabling')
1023    endif
1024  endif
1025endif
1026
1027glusterfs = not_found
1028glusterfs_ftruncate_has_stat = false
1029glusterfs_iocb_has_stat = false
1030if not get_option('glusterfs').auto() or have_block
1031  glusterfs = dependency('glusterfs-api', version: '>=3',
1032                         required: get_option('glusterfs'),
1033                         method: 'pkg-config', kwargs: static_kwargs)
1034  if glusterfs.found()
1035    glusterfs_ftruncate_has_stat = cc.links('''
1036      #include <glusterfs/api/glfs.h>
1037
1038      int
1039      main(void)
1040      {
1041          /* new glfs_ftruncate() passes two additional args */
1042          return glfs_ftruncate(NULL, 0, NULL, NULL);
1043      }
1044    ''', dependencies: glusterfs)
1045    glusterfs_iocb_has_stat = cc.links('''
1046      #include <glusterfs/api/glfs.h>
1047
1048      /* new glfs_io_cbk() passes two additional glfs_stat structs */
1049      static void
1050      glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1051      {}
1052
1053      int
1054      main(void)
1055      {
1056          glfs_io_cbk iocb = &glusterfs_iocb;
1057          iocb(NULL, 0 , NULL, NULL, NULL);
1058          return 0;
1059      }
1060    ''', dependencies: glusterfs)
1061  endif
1062endif
1063
1064libssh = not_found
1065if not get_option('libssh').auto() or have_block
1066  libssh = dependency('libssh', version: '>=0.8.7',
1067                    method: 'pkg-config',
1068                    required: get_option('libssh'),
1069                    kwargs: static_kwargs)
1070endif
1071
1072libbzip2 = not_found
1073if not get_option('bzip2').auto() or have_block
1074  libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1075                             required: get_option('bzip2'),
1076                             kwargs: static_kwargs)
1077  if libbzip2.found() and not cc.links('''
1078     #include <bzlib.h>
1079     int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1080    libbzip2 = not_found
1081    if get_option('bzip2').enabled()
1082      error('could not link libbzip2')
1083    else
1084      warning('could not link libbzip2, disabling')
1085    endif
1086  endif
1087endif
1088
1089liblzfse = not_found
1090if not get_option('lzfse').auto() or have_block
1091  liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1092                             required: get_option('lzfse'),
1093                             kwargs: static_kwargs)
1094endif
1095if liblzfse.found() and not cc.links('''
1096   #include <lzfse.h>
1097   int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1098  liblzfse = not_found
1099  if get_option('lzfse').enabled()
1100    error('could not link liblzfse')
1101  else
1102    warning('could not link liblzfse, disabling')
1103  endif
1104endif
1105
1106oss = not_found
1107if get_option('oss').allowed() and have_system
1108  if not cc.has_header('sys/soundcard.h')
1109    # not found
1110  elif targetos == 'netbsd'
1111    oss = cc.find_library('ossaudio', required: get_option('oss'),
1112                          kwargs: static_kwargs)
1113  else
1114    oss = declare_dependency()
1115  endif
1116
1117  if not oss.found()
1118    if get_option('oss').enabled()
1119      error('OSS not found')
1120    endif
1121  endif
1122endif
1123dsound = not_found
1124if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1125  if cc.has_header('dsound.h')
1126    dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1127  endif
1128
1129  if not dsound.found()
1130    if get_option('dsound').enabled()
1131      error('DirectSound not found')
1132    endif
1133  endif
1134endif
1135
1136coreaudio = not_found
1137if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1138  coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1139                         required: get_option('coreaudio'))
1140endif
1141
1142opengl = not_found
1143if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1144  epoxy = dependency('epoxy', method: 'pkg-config',
1145                      required: get_option('opengl'), kwargs: static_kwargs)
1146  if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1147    opengl = epoxy
1148  elif get_option('opengl').enabled()
1149    error('epoxy/egl.h not found')
1150  endif
1151endif
1152gbm = not_found
1153if (have_system or have_tools) and (virgl.found() or opengl.found())
1154  gbm = dependency('gbm', method: 'pkg-config', required: false,
1155                   kwargs: static_kwargs)
1156endif
1157have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1158
1159gnutls = not_found
1160gnutls_crypto = not_found
1161if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1162  # For general TLS support our min gnutls matches
1163  # that implied by our platform support matrix
1164  #
1165  # For the crypto backends, we look for a newer
1166  # gnutls:
1167  #
1168  #   Version 3.6.8  is needed to get XTS
1169  #   Version 3.6.13 is needed to get PBKDF
1170  #   Version 3.6.14 is needed to get HW accelerated XTS
1171  #
1172  # If newer enough gnutls isn't available, we can
1173  # still use a different crypto backend to satisfy
1174  # the platform support requirements
1175  gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1176                             method: 'pkg-config',
1177                             required: false,
1178                             kwargs: static_kwargs)
1179  if gnutls_crypto.found()
1180    gnutls = gnutls_crypto
1181  else
1182    # Our min version if all we need is TLS
1183    gnutls = dependency('gnutls', version: '>=3.5.18',
1184                        method: 'pkg-config',
1185                        required: get_option('gnutls'),
1186                        kwargs: static_kwargs)
1187  endif
1188endif
1189
1190# We prefer use of gnutls for crypto, unless the options
1191# explicitly asked for nettle or gcrypt.
1192#
1193# If gnutls isn't available for crypto, then we'll prefer
1194# gcrypt over nettle for performance reasons.
1195gcrypt = not_found
1196nettle = not_found
1197hogweed = not_found
1198xts = 'none'
1199
1200if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1201  error('Only one of gcrypt & nettle can be enabled')
1202endif
1203
1204# Explicit nettle/gcrypt request, so ignore gnutls for crypto
1205if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1206  gnutls_crypto = not_found
1207endif
1208
1209if not gnutls_crypto.found()
1210  if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1211    gcrypt = dependency('libgcrypt', version: '>=1.8',
1212                        method: 'config-tool',
1213                        required: get_option('gcrypt'),
1214                        kwargs: static_kwargs)
1215    # Debian has removed -lgpg-error from libgcrypt-config
1216    # as it "spreads unnecessary dependencies" which in
1217    # turn breaks static builds...
1218    if gcrypt.found() and enable_static
1219      gcrypt = declare_dependency(dependencies: [
1220        gcrypt,
1221        cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1222    endif
1223  endif
1224  if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1225    nettle = dependency('nettle', version: '>=3.4',
1226                        method: 'pkg-config',
1227                        required: get_option('nettle'),
1228                        kwargs: static_kwargs)
1229    if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1230      xts = 'private'
1231    endif
1232  endif
1233endif
1234
1235gmp = dependency('gmp', required: false, method: 'pkg-config', kwargs: static_kwargs)
1236if nettle.found() and gmp.found()
1237  hogweed = dependency('hogweed', version: '>=3.4',
1238                       method: 'pkg-config',
1239                       required: get_option('nettle'),
1240                       kwargs: static_kwargs)
1241endif
1242
1243
1244gtk = not_found
1245gtkx11 = not_found
1246vte = not_found
1247have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1248
1249if not get_option('gtk').auto() or have_system
1250  gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1251                   method: 'pkg-config',
1252                   required: get_option('gtk'),
1253                   kwargs: static_kwargs)
1254  if gtk.found()
1255    gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1256                        method: 'pkg-config',
1257                        required: false,
1258                        kwargs: static_kwargs)
1259    gtk = declare_dependency(dependencies: [gtk, gtkx11])
1260
1261    if not get_option('vte').auto() or have_system
1262      vte = dependency('vte-2.91',
1263                       method: 'pkg-config',
1264                       required: get_option('vte'),
1265                       kwargs: static_kwargs)
1266    endif
1267  elif have_gtk_clipboard
1268    error('GTK clipboard requested, but GTK not found')
1269  endif
1270endif
1271
1272x11 = not_found
1273if gtkx11.found()
1274  x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1275                   kwargs: static_kwargs)
1276endif
1277png = not_found
1278if get_option('png').allowed() and have_system
1279   png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1280                    method: 'pkg-config', kwargs: static_kwargs)
1281endif
1282vnc = not_found
1283jpeg = not_found
1284sasl = not_found
1285if get_option('vnc').allowed() and have_system
1286  vnc = declare_dependency() # dummy dependency
1287  jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1288                    method: 'pkg-config', kwargs: static_kwargs)
1289  sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1290                         required: get_option('vnc_sasl'),
1291                         kwargs: static_kwargs)
1292  if sasl.found()
1293    sasl = declare_dependency(dependencies: sasl,
1294                              compile_args: '-DSTRUCT_IOVEC_DEFINED')
1295  endif
1296endif
1297
1298pam = not_found
1299if not get_option('auth_pam').auto() or have_system
1300  pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1301                        required: get_option('auth_pam'),
1302                        kwargs: static_kwargs)
1303endif
1304if pam.found() and not cc.links('''
1305   #include <stddef.h>
1306   #include <security/pam_appl.h>
1307   int main(void) {
1308     const char *service_name = "qemu";
1309     const char *user = "frank";
1310     const struct pam_conv pam_conv = { 0 };
1311     pam_handle_t *pamh = NULL;
1312     pam_start(service_name, user, &pam_conv, &pamh);
1313     return 0;
1314   }''', dependencies: pam)
1315  pam = not_found
1316  if get_option('auth_pam').enabled()
1317    error('could not link libpam')
1318  else
1319    warning('could not link libpam, disabling')
1320  endif
1321endif
1322
1323snappy = not_found
1324if not get_option('snappy').auto() or have_system
1325  snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1326                           required: get_option('snappy'),
1327                           kwargs: static_kwargs)
1328endif
1329if snappy.found() and not linker.links('''
1330   #include <snappy-c.h>
1331   int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1332  snappy = not_found
1333  if get_option('snappy').enabled()
1334    error('could not link libsnappy')
1335  else
1336    warning('could not link libsnappy, disabling')
1337  endif
1338endif
1339
1340lzo = not_found
1341if not get_option('lzo').auto() or have_system
1342  lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1343                        required: get_option('lzo'),
1344                        kwargs: static_kwargs)
1345endif
1346if lzo.found() and not cc.links('''
1347   #include <lzo/lzo1x.h>
1348   int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1349  lzo = not_found
1350  if get_option('lzo').enabled()
1351    error('could not link liblzo2')
1352  else
1353    warning('could not link liblzo2, disabling')
1354  endif
1355endif
1356
1357numa = not_found
1358if not get_option('numa').auto() or have_system or have_tools
1359  numa = cc.find_library('numa', has_headers: ['numa.h'],
1360                              required: get_option('numa'),
1361                              kwargs: static_kwargs)
1362endif
1363if numa.found() and not cc.links('''
1364   #include <numa.h>
1365   int main(void) { return numa_available(); }
1366   ''', dependencies: numa)
1367  numa = not_found
1368  if get_option('numa').enabled()
1369    error('could not link numa')
1370  else
1371    warning('could not link numa, disabling')
1372  endif
1373endif
1374
1375rdma = not_found
1376if not get_option('rdma').auto() or have_system
1377  libumad = cc.find_library('ibumad', required: get_option('rdma'))
1378  rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1379                               required: get_option('rdma'),
1380                               kwargs: static_kwargs),
1381               cc.find_library('ibverbs', required: get_option('rdma'),
1382                               kwargs: static_kwargs),
1383               libumad]
1384  rdma = declare_dependency(dependencies: rdma_libs)
1385  foreach lib: rdma_libs
1386    if not lib.found()
1387      rdma = not_found
1388    endif
1389  endforeach
1390endif
1391
1392xen = not_found
1393if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1394  xencontrol = dependency('xencontrol', required: false,
1395                          method: 'pkg-config', kwargs: static_kwargs)
1396  if xencontrol.found()
1397    xen_pc = declare_dependency(version: xencontrol.version(),
1398      dependencies: [
1399        xencontrol,
1400        # disabler: true makes xen_pc.found() return false if any is not found
1401        dependency('xenstore', required: false,
1402                   method: 'pkg-config', kwargs: static_kwargs,
1403                   disabler: true),
1404        dependency('xenforeignmemory', required: false,
1405                   method: 'pkg-config', kwargs: static_kwargs,
1406                   disabler: true),
1407        dependency('xengnttab', required: false,
1408                   method: 'pkg-config', kwargs: static_kwargs,
1409                   disabler: true),
1410        dependency('xenevtchn', required: false,
1411                   method: 'pkg-config', kwargs: static_kwargs,
1412                   disabler: true),
1413        dependency('xendevicemodel', required: false,
1414                   method: 'pkg-config', kwargs: static_kwargs,
1415                   disabler: true),
1416        # optional, no "disabler: true"
1417        dependency('xentoolcore', required: false,
1418                   method: 'pkg-config', kwargs: static_kwargs)])
1419    if xen_pc.found()
1420      xen = xen_pc
1421    endif
1422  endif
1423  if not xen.found()
1424    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' ]
1425    xen_libs = {
1426      '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1427      '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1428      '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1429      '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1430      '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1431      '4.6.0': [ 'xenstore', 'xenctrl' ],
1432      '4.5.0': [ 'xenstore', 'xenctrl' ],
1433      '4.2.0': [ 'xenstore', 'xenctrl' ],
1434    }
1435    xen_deps = {}
1436    foreach ver: xen_tests
1437      # cache the various library tests to avoid polluting the logs
1438      xen_test_deps = []
1439      foreach l: xen_libs[ver]
1440        if l not in xen_deps
1441          xen_deps += { l: cc.find_library(l, required: false) }
1442        endif
1443        xen_test_deps += xen_deps[l]
1444      endforeach
1445
1446      # Use -D to pick just one of the test programs in scripts/xen-detect.c
1447      xen_version = ver.split('.')
1448      xen_ctrl_version = xen_version[0] + \
1449        ('0' + xen_version[1]).substring(-2) + \
1450        ('0' + xen_version[2]).substring(-2)
1451      if cc.links(files('scripts/xen-detect.c'),
1452                  args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1453                  dependencies: xen_test_deps)
1454        xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1455        break
1456      endif
1457    endforeach
1458  endif
1459  if xen.found()
1460    accelerators += 'CONFIG_XEN'
1461  elif get_option('xen').enabled()
1462    error('could not compile and link Xen test program')
1463  endif
1464endif
1465have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1466  .require(xen.found(),
1467           error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1468  .require(targetos == 'linux',
1469           error_message: 'Xen PCI passthrough not available on this platform') \
1470  .allowed()
1471
1472
1473cacard = not_found
1474if not get_option('smartcard').auto() or have_system
1475  cacard = dependency('libcacard', required: get_option('smartcard'),
1476                      version: '>=2.5.1', method: 'pkg-config',
1477                      kwargs: static_kwargs)
1478endif
1479u2f = not_found
1480if have_system
1481  u2f = dependency('u2f-emu', required: get_option('u2f'),
1482                   method: 'pkg-config',
1483                   kwargs: static_kwargs)
1484endif
1485canokey = not_found
1486if have_system
1487  canokey = dependency('canokey-qemu', required: get_option('canokey'),
1488                   method: 'pkg-config',
1489                   kwargs: static_kwargs)
1490endif
1491usbredir = not_found
1492if not get_option('usb_redir').auto() or have_system
1493  usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1494                        version: '>=0.6', method: 'pkg-config',
1495                        kwargs: static_kwargs)
1496endif
1497libusb = not_found
1498if not get_option('libusb').auto() or have_system
1499  libusb = dependency('libusb-1.0', required: get_option('libusb'),
1500                      version: '>=1.0.13', method: 'pkg-config',
1501                      kwargs: static_kwargs)
1502endif
1503
1504libpmem = not_found
1505if not get_option('libpmem').auto() or have_system
1506  libpmem = dependency('libpmem', required: get_option('libpmem'),
1507                       method: 'pkg-config', kwargs: static_kwargs)
1508endif
1509libdaxctl = not_found
1510if not get_option('libdaxctl').auto() or have_system
1511  libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1512                         version: '>=57', method: 'pkg-config',
1513                         kwargs: static_kwargs)
1514endif
1515tasn1 = not_found
1516if gnutls.found()
1517  tasn1 = dependency('libtasn1',
1518                     method: 'pkg-config',
1519                     kwargs: static_kwargs)
1520endif
1521keyutils = dependency('libkeyutils', required: false,
1522                      method: 'pkg-config', kwargs: static_kwargs)
1523
1524has_gettid = cc.has_function('gettid')
1525
1526# libselinux
1527selinux = dependency('libselinux',
1528                     required: get_option('selinux'),
1529                     method: 'pkg-config', kwargs: static_kwargs)
1530
1531# Malloc tests
1532
1533malloc = []
1534if get_option('malloc') == 'system'
1535  has_malloc_trim = \
1536    get_option('malloc_trim').allowed() and \
1537    cc.links('''#include <malloc.h>
1538                int main(void) { malloc_trim(0); return 0; }''')
1539else
1540  has_malloc_trim = false
1541  malloc = cc.find_library(get_option('malloc'), required: true)
1542endif
1543if not has_malloc_trim and get_option('malloc_trim').enabled()
1544  if get_option('malloc') == 'system'
1545    error('malloc_trim not available on this platform.')
1546  else
1547    error('malloc_trim not available with non-libc memory allocator')
1548  endif
1549endif
1550
1551# Check whether the glibc provides statx()
1552
1553gnu_source_prefix = '''
1554  #ifndef _GNU_SOURCE
1555  #define _GNU_SOURCE
1556  #endif
1557'''
1558statx_test = gnu_source_prefix + '''
1559  #include <sys/stat.h>
1560  int main(void) {
1561    struct statx statxbuf;
1562    statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1563    return 0;
1564  }'''
1565
1566has_statx = cc.links(statx_test)
1567
1568# Check whether statx() provides mount ID information
1569
1570statx_mnt_id_test = gnu_source_prefix + '''
1571  #include <sys/stat.h>
1572  int main(void) {
1573    struct statx statxbuf;
1574    statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1575    return statxbuf.stx_mnt_id;
1576  }'''
1577
1578has_statx_mnt_id = cc.links(statx_mnt_id_test)
1579
1580have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1581  .require(targetos == 'linux',
1582           error_message: 'vhost_user_blk_server requires linux') \
1583  .require(have_vhost_user,
1584           error_message: 'vhost_user_blk_server requires vhost-user support') \
1585  .disable_auto_if(not have_tools and not have_system) \
1586  .allowed()
1587
1588if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1589  error('Cannot enable fuse-lseek while fuse is disabled')
1590endif
1591
1592fuse = dependency('fuse3', required: get_option('fuse'),
1593                  version: '>=3.1', method: 'pkg-config',
1594                  kwargs: static_kwargs)
1595
1596fuse_lseek = not_found
1597if get_option('fuse_lseek').allowed()
1598  if fuse.version().version_compare('>=3.8')
1599    # Dummy dependency
1600    fuse_lseek = declare_dependency()
1601  elif get_option('fuse_lseek').enabled()
1602    if fuse.found()
1603      error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1604    else
1605      error('fuse-lseek requires libfuse, which was not found')
1606    endif
1607  endif
1608endif
1609
1610have_libvduse = (targetos == 'linux')
1611if get_option('libvduse').enabled()
1612    if targetos != 'linux'
1613        error('libvduse requires linux')
1614    endif
1615elif get_option('libvduse').disabled()
1616    have_libvduse = false
1617endif
1618
1619have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1620if get_option('vduse_blk_export').enabled()
1621    if targetos != 'linux'
1622        error('vduse_blk_export requires linux')
1623    elif not have_libvduse
1624        error('vduse_blk_export requires libvduse support')
1625    endif
1626elif get_option('vduse_blk_export').disabled()
1627    have_vduse_blk_export = false
1628endif
1629
1630# libbpf
1631libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1632if libbpf.found() and not cc.links('''
1633   #include <bpf/libbpf.h>
1634   int main(void)
1635   {
1636     bpf_object__destroy_skeleton(NULL);
1637     return 0;
1638   }''', dependencies: libbpf)
1639  libbpf = not_found
1640  if get_option('bpf').enabled()
1641    error('libbpf skeleton test failed')
1642  else
1643    warning('libbpf skeleton test failed, disabling')
1644  endif
1645endif
1646
1647# libdw
1648libdw = not_found
1649if not get_option('libdw').auto() or \
1650        (not enable_static and (have_system or have_user))
1651    libdw = dependency('libdw',
1652                       method: 'pkg-config',
1653                       kwargs: static_kwargs,
1654                       required: get_option('libdw'))
1655endif
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_EPOLL_CREATE1',
2017                     cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2018config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2019                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2020                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2021config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2022                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2023config_host_data.set('CONFIG_FIEMAP',
2024                     cc.has_header('linux/fiemap.h') and
2025                     cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2026config_host_data.set('CONFIG_GETRANDOM',
2027                     cc.has_function('getrandom') and
2028                     cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2029config_host_data.set('CONFIG_INOTIFY',
2030                     cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2031config_host_data.set('CONFIG_INOTIFY1',
2032                     cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2033config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2034                     cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2035config_host_data.set('CONFIG_RTNETLINK',
2036                     cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2037config_host_data.set('CONFIG_SYSMACROS',
2038                     cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2039config_host_data.set('HAVE_OPTRESET',
2040                     cc.has_header_symbol('getopt.h', 'optreset'))
2041config_host_data.set('HAVE_IPPROTO_MPTCP',
2042                     cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2043
2044# has_member
2045config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2046                     cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2047                                   prefix: '#include <signal.h>'))
2048config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2049                     cc.has_member('struct stat', 'st_atim',
2050                                   prefix: '#include <sys/stat.h>'))
2051
2052# has_type
2053config_host_data.set('CONFIG_IOVEC',
2054                     cc.has_type('struct iovec',
2055                                 prefix: '#include <sys/uio.h>'))
2056config_host_data.set('HAVE_UTMPX',
2057                     cc.has_type('struct utmpx',
2058                                 prefix: '#include <utmpx.h>'))
2059
2060config_host_data.set('CONFIG_EVENTFD', cc.links('''
2061  #include <sys/eventfd.h>
2062  int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2063config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2064  #include <unistd.h>
2065  int main(void) {
2066  #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2067  return fdatasync(0);
2068  #else
2069  #error Not supported
2070  #endif
2071  }'''))
2072
2073has_madvise = cc.links(gnu_source_prefix + '''
2074  #include <sys/types.h>
2075  #include <sys/mman.h>
2076  #include <stddef.h>
2077  int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2078missing_madvise_proto = false
2079if has_madvise
2080  # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2081  # but forget to prototype it. In this case, has_madvise will be true (the
2082  # test program links despite a compile warning). To detect the
2083  # missing-prototype case, we try again with a definitely-bogus prototype.
2084  # This will only compile if the system headers don't provide the prototype;
2085  # otherwise the conflicting prototypes will cause a compiler error.
2086  missing_madvise_proto = cc.links(gnu_source_prefix + '''
2087    #include <sys/types.h>
2088    #include <sys/mman.h>
2089    #include <stddef.h>
2090    extern int madvise(int);
2091    int main(void) { return madvise(0); }''')
2092endif
2093config_host_data.set('CONFIG_MADVISE', has_madvise)
2094config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2095
2096config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2097  #include <sys/mman.h>
2098  int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2099config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2100  #include <fcntl.h>
2101  #if !defined(AT_EMPTY_PATH)
2102  # error missing definition
2103  #else
2104  int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2105  #endif'''))
2106config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2107  #include <sys/mman.h>
2108  #include <stddef.h>
2109  int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2110
2111config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2112  #include <pthread.h>
2113
2114  static void *f(void *p) { return NULL; }
2115  int main(void)
2116  {
2117    pthread_t thread;
2118    pthread_create(&thread, 0, f, 0);
2119    pthread_setname_np(thread, "QEMU");
2120    return 0;
2121  }''', dependencies: threads))
2122config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2123  #include <pthread.h>
2124
2125  static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2126  int main(void)
2127  {
2128    pthread_t thread;
2129    pthread_create(&thread, 0, f, 0);
2130    return 0;
2131  }''', dependencies: threads))
2132config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2133  #include <pthread.h>
2134  #include <time.h>
2135
2136  int main(void)
2137  {
2138    pthread_condattr_t attr
2139    pthread_condattr_init(&attr);
2140    pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2141    return 0;
2142  }''', dependencies: threads))
2143config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2144  #include <pthread.h>
2145
2146  static void *f(void *p) { return NULL; }
2147  int main(void)
2148  {
2149    int setsize = CPU_ALLOC_SIZE(64);
2150    pthread_t thread;
2151    cpu_set_t *cpuset;
2152    pthread_create(&thread, 0, f, 0);
2153    cpuset = CPU_ALLOC(64);
2154    CPU_ZERO_S(setsize, cpuset);
2155    pthread_setaffinity_np(thread, setsize, cpuset);
2156    pthread_getaffinity_np(thread, setsize, cpuset);
2157    CPU_FREE(cpuset);
2158    return 0;
2159  }''', dependencies: threads))
2160config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2161  #include <sys/signalfd.h>
2162  #include <stddef.h>
2163  int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2164config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2165  #include <unistd.h>
2166  #include <fcntl.h>
2167  #include <limits.h>
2168
2169  int main(void)
2170  {
2171    int len, fd = 0;
2172    len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2173    splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2174    return 0;
2175  }'''))
2176
2177config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2178  #include <sys/mman.h>
2179  int main(void) {
2180    return mlockall(MCL_FUTURE);
2181  }'''))
2182
2183have_l2tpv3 = false
2184if get_option('l2tpv3').allowed() and have_system
2185  have_l2tpv3 = cc.has_type('struct mmsghdr',
2186    prefix: gnu_source_prefix + '''
2187      #include <sys/socket.h>
2188      #include <linux/ip.h>''')
2189endif
2190config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2191
2192have_netmap = false
2193if get_option('netmap').allowed() and have_system
2194  have_netmap = cc.compiles('''
2195    #include <inttypes.h>
2196    #include <net/if.h>
2197    #include <net/netmap.h>
2198    #include <net/netmap_user.h>
2199    #if (NETMAP_API < 11) || (NETMAP_API > 15)
2200    #error
2201    #endif
2202    int main(void) { return 0; }''')
2203  if not have_netmap and get_option('netmap').enabled()
2204    error('Netmap headers not available')
2205  endif
2206endif
2207config_host_data.set('CONFIG_NETMAP', have_netmap)
2208
2209# Work around a system header bug with some kernel/XFS header
2210# versions where they both try to define 'struct fsxattr':
2211# xfs headers will not try to redefine structs from linux headers
2212# if this macro is set.
2213config_host_data.set('HAVE_FSXATTR', cc.links('''
2214  #include <linux/fs.h>
2215  struct fsxattr foo;
2216  int main(void) {
2217    return 0;
2218  }'''))
2219
2220# Some versions of Mac OS X incorrectly define SIZE_MAX
2221config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2222    #include <stdint.h>
2223    #include <stdio.h>
2224    int main(void) {
2225        return printf("%zu", SIZE_MAX);
2226    }''', args: ['-Werror']))
2227
2228atomic_test = '''
2229  #include <stdint.h>
2230  int main(void)
2231  {
2232    @0@ x = 0, y = 0;
2233    y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2234    __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2235    __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2236    __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2237    __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2238    return 0;
2239  }'''
2240
2241# See if 64-bit atomic operations are supported.
2242# Note that without __atomic builtins, we can only
2243# assume atomic loads/stores max at pointer size.
2244config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2245
2246has_int128 = cc.links('''
2247  __int128_t a;
2248  __uint128_t b;
2249  int main (void) {
2250    a = a + b;
2251    b = a * b;
2252    a = a * a;
2253    return 0;
2254  }''')
2255
2256config_host_data.set('CONFIG_INT128', has_int128)
2257
2258if has_int128
2259  # "do we have 128-bit atomics which are handled inline and specifically not
2260  # via libatomic". The reason we can't use libatomic is documented in the
2261  # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2262  has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2263
2264  config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2265
2266  if not has_atomic128
2267    has_cmpxchg128 = cc.links('''
2268      int main(void)
2269      {
2270        unsigned __int128 x = 0, y = 0;
2271        __sync_val_compare_and_swap_16(&x, y, x);
2272        return 0;
2273      }
2274    ''')
2275
2276    config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2277  endif
2278endif
2279
2280config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2281  #include <sys/auxv.h>
2282  int main(void) {
2283    return getauxval(AT_HWCAP) == 0;
2284  }'''))
2285
2286config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2287  #include <linux/usbdevice_fs.h>
2288
2289  #ifndef USBDEVFS_GET_CAPABILITIES
2290  #error "USBDEVFS_GET_CAPABILITIES undefined"
2291  #endif
2292
2293  #ifndef USBDEVFS_DISCONNECT_CLAIM
2294  #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2295  #endif
2296
2297  int main(void) { return 0; }'''))
2298
2299have_keyring = get_option('keyring') \
2300  .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2301  .require(cc.compiles('''
2302    #include <errno.h>
2303    #include <asm/unistd.h>
2304    #include <linux/keyctl.h>
2305    #include <sys/syscall.h>
2306    #include <unistd.h>
2307    int main(void) {
2308        return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2309    }'''), error_message: 'keyctl syscall not available on this system').allowed()
2310config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2311
2312have_cpuid_h = cc.links('''
2313  #include <cpuid.h>
2314  int main(void) {
2315    unsigned a, b, c, d;
2316    unsigned max = __get_cpuid_max(0, 0);
2317
2318    if (max >= 1) {
2319        __cpuid(1, a, b, c, d);
2320    }
2321
2322    if (max >= 7) {
2323        __cpuid_count(7, 0, a, b, c, d);
2324    }
2325
2326    return 0;
2327  }''')
2328config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2329
2330config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2331  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2332  .require(cc.links('''
2333    #include <cpuid.h>
2334    #include <immintrin.h>
2335    static int __attribute__((target("avx2"))) bar(void *a) {
2336      __m256i x = *(__m256i *)a;
2337      return _mm256_testz_si256(x, x);
2338    }
2339    int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2340  '''), error_message: 'AVX2 not available').allowed())
2341
2342config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2343  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2344  .require(cc.links('''
2345    #include <cpuid.h>
2346    #include <immintrin.h>
2347    static int __attribute__((target("avx512f"))) bar(void *a) {
2348      __m512i x = *(__m512i *)a;
2349      return _mm512_test_epi64_mask(x, x);
2350    }
2351    int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2352  '''), error_message: 'AVX512F not available').allowed())
2353
2354config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2355  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2356  .require(cc.links('''
2357    #pragma GCC push_options
2358    #pragma GCC target("avx512bw")
2359    #include <cpuid.h>
2360    #include <immintrin.h>
2361    static int bar(void *a) {
2362
2363      __m512i *x = a;
2364      __m512i res= _mm512_abs_epi8(*x);
2365      return res[1];
2366    }
2367    int main(int argc, char *argv[]) { return bar(argv[0]); }
2368  '''), error_message: 'AVX512BW not available').allowed())
2369
2370have_pvrdma = get_option('pvrdma') \
2371  .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2372  .require(cc.compiles(gnu_source_prefix + '''
2373    #include <sys/mman.h>
2374    int main(void)
2375    {
2376      char buf = 0;
2377      void *addr = &buf;
2378      addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2379
2380      return 0;
2381    }'''), error_message: 'PVRDMA requires mremap').allowed()
2382
2383if have_pvrdma
2384  config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2385    #include <infiniband/verbs.h>
2386    int main(void)
2387    {
2388      struct ibv_mr *mr;
2389      struct ibv_pd *pd = NULL;
2390      size_t length = 10;
2391      uint64_t iova = 0;
2392      int access = 0;
2393      void *addr = NULL;
2394
2395      mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2396      ibv_dereg_mr(mr);
2397      return 0;
2398    }'''))
2399endif
2400
2401if get_option('membarrier').disabled()
2402  have_membarrier = false
2403elif targetos == 'windows'
2404  have_membarrier = true
2405elif targetos == 'linux'
2406  have_membarrier = cc.compiles('''
2407    #include <linux/membarrier.h>
2408    #include <sys/syscall.h>
2409    #include <unistd.h>
2410    #include <stdlib.h>
2411    int main(void) {
2412        syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2413        syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2414        exit(0);
2415    }''')
2416endif
2417config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2418  .require(have_membarrier, error_message: 'membarrier system call not available') \
2419  .allowed())
2420
2421have_afalg = get_option('crypto_afalg') \
2422  .require(cc.compiles(gnu_source_prefix + '''
2423    #include <errno.h>
2424    #include <sys/types.h>
2425    #include <sys/socket.h>
2426    #include <linux/if_alg.h>
2427    int main(void) {
2428      int sock;
2429      sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2430      return sock;
2431    }
2432  '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2433config_host_data.set('CONFIG_AF_ALG', have_afalg)
2434
2435config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2436  'linux/vm_sockets.h', 'AF_VSOCK',
2437  prefix: '#include <sys/socket.h>',
2438))
2439
2440have_vss = false
2441have_vss_sdk = false # old xp/2003 SDK
2442if targetos == 'windows' and link_language == 'cpp'
2443  have_vss = cxx.compiles('''
2444    #define __MIDL_user_allocate_free_DEFINED__
2445    #include <vss.h>
2446    int main(void) { return VSS_CTX_BACKUP; }''')
2447  have_vss_sdk = cxx.has_header('vscoordint.h')
2448endif
2449config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2450
2451foreach k, v: config_host
2452  if k.startswith('CONFIG_')
2453    config_host_data.set(k, v == 'y' ? 1 : v)
2454  endif
2455endforeach
2456
2457# Older versions of MinGW do not import _lock_file and _unlock_file properly.
2458# This was fixed for v6.0.0 with commit b48e3ac8969d.
2459if targetos == 'windows'
2460  config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2461    #include <stdio.h>
2462    int main(void) {
2463      _lock_file(NULL);
2464      _unlock_file(NULL);
2465      return 0;
2466    }''', name: '_lock_file and _unlock_file'))
2467endif
2468
2469########################
2470# Target configuration #
2471########################
2472
2473minikconf = find_program('scripts/minikconf.py')
2474config_all = {}
2475config_all_devices = {}
2476config_all_disas = {}
2477config_devices_mak_list = []
2478config_devices_h = {}
2479config_target_h = {}
2480config_target_mak = {}
2481
2482disassemblers = {
2483  'alpha' : ['CONFIG_ALPHA_DIS'],
2484  'avr' : ['CONFIG_AVR_DIS'],
2485  'cris' : ['CONFIG_CRIS_DIS'],
2486  'hexagon' : ['CONFIG_HEXAGON_DIS'],
2487  'hppa' : ['CONFIG_HPPA_DIS'],
2488  'i386' : ['CONFIG_I386_DIS'],
2489  'x86_64' : ['CONFIG_I386_DIS'],
2490  'm68k' : ['CONFIG_M68K_DIS'],
2491  'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2492  'mips' : ['CONFIG_MIPS_DIS'],
2493  'nios2' : ['CONFIG_NIOS2_DIS'],
2494  'or1k' : ['CONFIG_OPENRISC_DIS'],
2495  'ppc' : ['CONFIG_PPC_DIS'],
2496  'riscv' : ['CONFIG_RISCV_DIS'],
2497  'rx' : ['CONFIG_RX_DIS'],
2498  's390' : ['CONFIG_S390_DIS'],
2499  'sh4' : ['CONFIG_SH4_DIS'],
2500  'sparc' : ['CONFIG_SPARC_DIS'],
2501  'xtensa' : ['CONFIG_XTENSA_DIS'],
2502  'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2503}
2504
2505have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2506host_kconfig = \
2507  (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2508  (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2509  (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2510  (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2511  (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2512  (x11.found() ? ['CONFIG_X11=y'] : []) + \
2513  (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2514  (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2515  (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2516  (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2517  ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2518  (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2519  (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2520  (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2521
2522ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2523
2524default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2525actual_target_dirs = []
2526fdt_required = []
2527foreach target : target_dirs
2528  config_target = { 'TARGET_NAME': target.split('-')[0] }
2529  if target.endswith('linux-user')
2530    if targetos != 'linux'
2531      if default_targets
2532        continue
2533      endif
2534      error('Target @0@ is only available on a Linux host'.format(target))
2535    endif
2536    config_target += { 'CONFIG_LINUX_USER': 'y' }
2537  elif target.endswith('bsd-user')
2538    if 'CONFIG_BSD' not in config_host
2539      if default_targets
2540        continue
2541      endif
2542      error('Target @0@ is only available on a BSD host'.format(target))
2543    endif
2544    config_target += { 'CONFIG_BSD_USER': 'y' }
2545  elif target.endswith('softmmu')
2546    config_target += { 'CONFIG_SOFTMMU': 'y' }
2547  endif
2548  if target.endswith('-user')
2549    config_target += {
2550      'CONFIG_USER_ONLY': 'y',
2551      'CONFIG_QEMU_INTERP_PREFIX':
2552        get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2553    }
2554  endif
2555
2556  accel_kconfig = []
2557  foreach sym: accelerators
2558    if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2559      config_target += { sym: 'y' }
2560      config_all += { sym: 'y' }
2561      if target in modular_tcg
2562        config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2563      else
2564        config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2565      endif
2566      accel_kconfig += [ sym + '=y' ]
2567    endif
2568  endforeach
2569  if accel_kconfig.length() == 0
2570    if default_targets
2571      continue
2572    endif
2573    error('No accelerator available for target @0@'.format(target))
2574  endif
2575
2576  actual_target_dirs += target
2577  config_target += keyval.load('configs/targets' / target + '.mak')
2578  config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2579
2580  if 'TARGET_NEED_FDT' in config_target
2581    fdt_required += target
2582  endif
2583
2584  # Add default keys
2585  if 'TARGET_BASE_ARCH' not in config_target
2586    config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2587  endif
2588  if 'TARGET_ABI_DIR' not in config_target
2589    config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2590  endif
2591  if 'TARGET_BIG_ENDIAN' not in config_target
2592    config_target += {'TARGET_BIG_ENDIAN': 'n'}
2593  endif
2594
2595  foreach k, v: disassemblers
2596    if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2597      foreach sym: v
2598        config_target += { sym: 'y' }
2599        config_all_disas += { sym: 'y' }
2600      endforeach
2601    endif
2602  endforeach
2603
2604  config_target_data = configuration_data()
2605  foreach k, v: config_target
2606    if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2607      # do nothing
2608    elif ignored.contains(k)
2609      # do nothing
2610    elif k == 'TARGET_BASE_ARCH'
2611      # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2612      # not used to select files from sourcesets.
2613      config_target_data.set('TARGET_' + v.to_upper(), 1)
2614    elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2615      config_target_data.set_quoted(k, v)
2616    elif v == 'y'
2617      config_target_data.set(k, 1)
2618    elif v == 'n'
2619      config_target_data.set(k, 0)
2620    else
2621      config_target_data.set(k, v)
2622    endif
2623  endforeach
2624  config_target_data.set('QEMU_ARCH',
2625                         'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2626  config_target_h += {target: configure_file(output: target + '-config-target.h',
2627                                               configuration: config_target_data)}
2628
2629  if target.endswith('-softmmu')
2630    config_input = meson.get_external_property(target, 'default')
2631    config_devices_mak = target + '-config-devices.mak'
2632    config_devices_mak = configure_file(
2633      input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2634      output: config_devices_mak,
2635      depfile: config_devices_mak + '.d',
2636      capture: true,
2637      command: [minikconf,
2638                get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2639                config_devices_mak, '@DEPFILE@', '@INPUT@',
2640                host_kconfig, accel_kconfig,
2641                'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2642
2643    config_devices_data = configuration_data()
2644    config_devices = keyval.load(config_devices_mak)
2645    foreach k, v: config_devices
2646      config_devices_data.set(k, 1)
2647    endforeach
2648    config_devices_mak_list += config_devices_mak
2649    config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2650                                                configuration: config_devices_data)}
2651    config_target += config_devices
2652    config_all_devices += config_devices
2653  endif
2654  config_target_mak += {target: config_target}
2655endforeach
2656target_dirs = actual_target_dirs
2657
2658# This configuration is used to build files that are shared by
2659# multiple binaries, and then extracted out of the "common"
2660# static_library target.
2661#
2662# We do not use all_sources()/all_dependencies(), because it would
2663# build literally all source files, including devices only used by
2664# targets that are not built for this compilation.  The CONFIG_ALL
2665# pseudo symbol replaces it.
2666
2667config_all += config_all_devices
2668config_all += config_host
2669config_all += config_all_disas
2670config_all += {
2671  'CONFIG_XEN': xen.found(),
2672  'CONFIG_SOFTMMU': have_system,
2673  'CONFIG_USER_ONLY': have_user,
2674  'CONFIG_ALL': true,
2675}
2676
2677target_configs_h = []
2678foreach target: target_dirs
2679  target_configs_h += config_target_h[target]
2680  target_configs_h += config_devices_h.get(target, [])
2681endforeach
2682genh += custom_target('config-poison.h',
2683                      input: [target_configs_h],
2684                      output: 'config-poison.h',
2685                      capture: true,
2686                      command: [find_program('scripts/make-config-poison.sh'),
2687                                target_configs_h])
2688
2689##############
2690# Submodules #
2691##############
2692
2693capstone = not_found
2694if not get_option('capstone').auto() or have_system or have_user
2695  capstone = dependency('capstone', version: '>=3.0.5',
2696                        kwargs: static_kwargs, method: 'pkg-config',
2697                        required: get_option('capstone'))
2698
2699  # Some versions of capstone have broken pkg-config file
2700  # that reports a wrong -I path, causing the #include to
2701  # fail later. If the system has such a broken version
2702  # do not use it.
2703  if capstone.found() and not cc.compiles('#include <capstone.h>',
2704                                          dependencies: [capstone])
2705    capstone = not_found
2706    if get_option('capstone').enabled()
2707      error('capstone requested, but it does not appear to work')
2708    endif
2709  endif
2710endif
2711
2712libvfio_user_dep = not_found
2713if have_system and vfio_user_server_allowed
2714  have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2715
2716  if not have_internal
2717    error('libvfio-user source not found - please pull git submodule')
2718  endif
2719
2720  libvfio_user_proj = subproject('libvfio-user')
2721
2722  libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2723
2724  libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2725endif
2726
2727fdt = not_found
2728if have_system
2729  fdt_opt = get_option('fdt')
2730  if fdt_opt in ['enabled', 'auto', 'system']
2731    have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2732    fdt = cc.find_library('fdt', kwargs: static_kwargs,
2733                          required: fdt_opt == 'system' or
2734                                    fdt_opt == 'enabled' and not have_internal)
2735    if fdt.found() and cc.links('''
2736       #include <libfdt.h>
2737       #include <libfdt_env.h>
2738       int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2739         dependencies: fdt)
2740      fdt_opt = 'system'
2741    elif fdt_opt == 'system'
2742       error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2743    elif have_internal
2744      fdt_opt = 'internal'
2745    else
2746      fdt_opt = 'disabled'
2747      fdt = not_found
2748    endif
2749  endif
2750  if fdt_opt == 'internal'
2751    fdt_files = files(
2752      'dtc/libfdt/fdt.c',
2753      'dtc/libfdt/fdt_ro.c',
2754      'dtc/libfdt/fdt_wip.c',
2755      'dtc/libfdt/fdt_sw.c',
2756      'dtc/libfdt/fdt_rw.c',
2757      'dtc/libfdt/fdt_strerror.c',
2758      'dtc/libfdt/fdt_empty_tree.c',
2759      'dtc/libfdt/fdt_addresses.c',
2760      'dtc/libfdt/fdt_overlay.c',
2761      'dtc/libfdt/fdt_check.c',
2762    )
2763
2764    fdt_inc = include_directories('dtc/libfdt')
2765    libfdt = static_library('fdt',
2766                            build_by_default: false,
2767                            sources: fdt_files,
2768                            include_directories: fdt_inc)
2769    fdt = declare_dependency(link_with: libfdt,
2770                             include_directories: fdt_inc)
2771  endif
2772else
2773  fdt_opt = 'disabled'
2774endif
2775if not fdt.found() and fdt_required.length() > 0
2776  error('fdt not available but required by targets ' + ', '.join(fdt_required))
2777endif
2778
2779config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2780config_host_data.set('CONFIG_FDT', fdt.found())
2781config_host_data.set('CONFIG_SLIRP', slirp.found())
2782
2783#####################
2784# Generated sources #
2785#####################
2786
2787genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2788
2789hxtool = find_program('scripts/hxtool')
2790shaderinclude = find_program('scripts/shaderinclude.py')
2791qapi_gen = find_program('scripts/qapi-gen.py')
2792qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2793                     meson.current_source_dir() / 'scripts/qapi/commands.py',
2794                     meson.current_source_dir() / 'scripts/qapi/common.py',
2795                     meson.current_source_dir() / 'scripts/qapi/error.py',
2796                     meson.current_source_dir() / 'scripts/qapi/events.py',
2797                     meson.current_source_dir() / 'scripts/qapi/expr.py',
2798                     meson.current_source_dir() / 'scripts/qapi/gen.py',
2799                     meson.current_source_dir() / 'scripts/qapi/introspect.py',
2800                     meson.current_source_dir() / 'scripts/qapi/parser.py',
2801                     meson.current_source_dir() / 'scripts/qapi/schema.py',
2802                     meson.current_source_dir() / 'scripts/qapi/source.py',
2803                     meson.current_source_dir() / 'scripts/qapi/types.py',
2804                     meson.current_source_dir() / 'scripts/qapi/visit.py',
2805                     meson.current_source_dir() / 'scripts/qapi/common.py',
2806                     meson.current_source_dir() / 'scripts/qapi-gen.py'
2807]
2808
2809tracetool = [
2810  python, files('scripts/tracetool.py'),
2811   '--backend=' + ','.join(get_option('trace_backends'))
2812]
2813tracetool_depends = files(
2814  'scripts/tracetool/backend/log.py',
2815  'scripts/tracetool/backend/__init__.py',
2816  'scripts/tracetool/backend/dtrace.py',
2817  'scripts/tracetool/backend/ftrace.py',
2818  'scripts/tracetool/backend/simple.py',
2819  'scripts/tracetool/backend/syslog.py',
2820  'scripts/tracetool/backend/ust.py',
2821  'scripts/tracetool/format/ust_events_c.py',
2822  'scripts/tracetool/format/ust_events_h.py',
2823  'scripts/tracetool/format/__init__.py',
2824  'scripts/tracetool/format/d.py',
2825  'scripts/tracetool/format/simpletrace_stap.py',
2826  'scripts/tracetool/format/c.py',
2827  'scripts/tracetool/format/h.py',
2828  'scripts/tracetool/format/log_stap.py',
2829  'scripts/tracetool/format/stap.py',
2830  'scripts/tracetool/__init__.py',
2831  'scripts/tracetool/transform.py',
2832  'scripts/tracetool/vcpu.py'
2833)
2834
2835qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2836                    meson.current_source_dir(),
2837                    get_option('pkgversion'), meson.project_version()]
2838qemu_version = custom_target('qemu-version.h',
2839                             output: 'qemu-version.h',
2840                             command: qemu_version_cmd,
2841                             capture: true,
2842                             build_by_default: true,
2843                             build_always_stale: true)
2844genh += qemu_version
2845
2846hxdep = []
2847hx_headers = [
2848  ['qemu-options.hx', 'qemu-options.def'],
2849  ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2850]
2851if have_system
2852  hx_headers += [
2853    ['hmp-commands.hx', 'hmp-commands.h'],
2854    ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2855  ]
2856endif
2857foreach d : hx_headers
2858  hxdep += custom_target(d[1],
2859                input: files(d[0]),
2860                output: d[1],
2861                capture: true,
2862                build_by_default: true, # to be removed when added to a target
2863                command: [hxtool, '-h', '@INPUT0@'])
2864endforeach
2865genh += hxdep
2866
2867###################
2868# Collect sources #
2869###################
2870
2871authz_ss = ss.source_set()
2872blockdev_ss = ss.source_set()
2873block_ss = ss.source_set()
2874chardev_ss = ss.source_set()
2875common_ss = ss.source_set()
2876crypto_ss = ss.source_set()
2877hwcore_ss = ss.source_set()
2878io_ss = ss.source_set()
2879qmp_ss = ss.source_set()
2880qom_ss = ss.source_set()
2881softmmu_ss = ss.source_set()
2882specific_fuzz_ss = ss.source_set()
2883specific_ss = ss.source_set()
2884stub_ss = ss.source_set()
2885trace_ss = ss.source_set()
2886user_ss = ss.source_set()
2887util_ss = ss.source_set()
2888
2889# accel modules
2890qtest_module_ss = ss.source_set()
2891tcg_module_ss = ss.source_set()
2892
2893modules = {}
2894target_modules = {}
2895hw_arch = {}
2896target_arch = {}
2897target_softmmu_arch = {}
2898target_user_arch = {}
2899
2900###############
2901# Trace files #
2902###############
2903
2904# TODO: add each directory to the subdirs from its own meson.build, once
2905# we have those
2906trace_events_subdirs = [
2907  'crypto',
2908  'qapi',
2909  'qom',
2910  'monitor',
2911  'util',
2912  'gdbstub',
2913]
2914if have_linux_user
2915  trace_events_subdirs += [ 'linux-user' ]
2916endif
2917if have_bsd_user
2918  trace_events_subdirs += [ 'bsd-user' ]
2919endif
2920if have_block
2921  trace_events_subdirs += [
2922    'authz',
2923    'block',
2924    'io',
2925    'nbd',
2926    'scsi',
2927  ]
2928endif
2929if have_system
2930  trace_events_subdirs += [
2931    'accel/kvm',
2932    'audio',
2933    'backends',
2934    'backends/tpm',
2935    'chardev',
2936    'ebpf',
2937    'hw/9pfs',
2938    'hw/acpi',
2939    'hw/adc',
2940    'hw/alpha',
2941    'hw/arm',
2942    'hw/audio',
2943    'hw/block',
2944    'hw/block/dataplane',
2945    'hw/char',
2946    'hw/display',
2947    'hw/dma',
2948    'hw/hyperv',
2949    'hw/i2c',
2950    'hw/i386',
2951    'hw/i386/xen',
2952    'hw/ide',
2953    'hw/input',
2954    'hw/intc',
2955    'hw/isa',
2956    'hw/mem',
2957    'hw/mips',
2958    'hw/misc',
2959    'hw/misc/macio',
2960    'hw/net',
2961    'hw/net/can',
2962    'hw/nubus',
2963    'hw/nvme',
2964    'hw/nvram',
2965    'hw/pci',
2966    'hw/pci-host',
2967    'hw/ppc',
2968    'hw/rdma',
2969    'hw/rdma/vmw',
2970    'hw/rtc',
2971    'hw/s390x',
2972    'hw/scsi',
2973    'hw/sd',
2974    'hw/sh4',
2975    'hw/sparc',
2976    'hw/sparc64',
2977    'hw/ssi',
2978    'hw/timer',
2979    'hw/tpm',
2980    'hw/usb',
2981    'hw/vfio',
2982    'hw/virtio',
2983    'hw/watchdog',
2984    'hw/xen',
2985    'hw/gpio',
2986    'migration',
2987    'net',
2988    'softmmu',
2989    'ui',
2990    'hw/remote',
2991  ]
2992endif
2993if have_system or have_user
2994  trace_events_subdirs += [
2995    'accel/tcg',
2996    'hw/core',
2997    'target/arm',
2998    'target/arm/hvf',
2999    'target/hppa',
3000    'target/i386',
3001    'target/i386/kvm',
3002    'target/mips/tcg',
3003    'target/nios2',
3004    'target/ppc',
3005    'target/riscv',
3006    'target/s390x',
3007    'target/s390x/kvm',
3008    'target/sparc',
3009  ]
3010endif
3011
3012vhost_user = not_found
3013if targetos == 'linux' and have_vhost_user
3014  libvhost_user = subproject('libvhost-user')
3015  vhost_user = libvhost_user.get_variable('vhost_user_dep')
3016endif
3017
3018libvduse = not_found
3019if have_libvduse
3020  libvduse_proj = subproject('libvduse')
3021  libvduse = libvduse_proj.get_variable('libvduse_dep')
3022endif
3023
3024# NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3025# that is filled in by qapi/.
3026subdir('qapi')
3027subdir('qobject')
3028subdir('stubs')
3029subdir('trace')
3030subdir('util')
3031subdir('qom')
3032subdir('authz')
3033subdir('crypto')
3034subdir('ui')
3035subdir('hw')
3036subdir('gdbstub')
3037
3038
3039if enable_modules
3040  libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3041  modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3042endif
3043
3044qom_ss = qom_ss.apply(config_host, strict: false)
3045libqom = static_library('qom', qom_ss.sources() + genh,
3046                        dependencies: [qom_ss.dependencies()],
3047                        name_suffix: 'fa')
3048qom = declare_dependency(link_whole: libqom)
3049
3050event_loop_base = files('event-loop-base.c')
3051event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3052                                 build_by_default: true)
3053event_loop_base = declare_dependency(link_whole: event_loop_base,
3054                                     dependencies: [qom])
3055
3056stub_ss = stub_ss.apply(config_all, strict: false)
3057
3058util_ss.add_all(trace_ss)
3059util_ss = util_ss.apply(config_all, strict: false)
3060libqemuutil = static_library('qemuutil',
3061                             sources: util_ss.sources() + stub_ss.sources() + genh,
3062                             dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3063qemuutil = declare_dependency(link_with: libqemuutil,
3064                              sources: genh + version_res,
3065                              dependencies: [event_loop_base])
3066
3067if have_system or have_user
3068  decodetree = generator(find_program('scripts/decodetree.py'),
3069                         output: 'decode-@BASENAME@.c.inc',
3070                         arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3071  subdir('libdecnumber')
3072  subdir('target')
3073endif
3074
3075subdir('audio')
3076subdir('io')
3077subdir('chardev')
3078subdir('fsdev')
3079subdir('dump')
3080
3081if have_block
3082  block_ss.add(files(
3083    'block.c',
3084    'blockjob.c',
3085    'job.c',
3086    'qemu-io-cmds.c',
3087  ))
3088  if config_host_data.get('CONFIG_REPLICATION')
3089    block_ss.add(files('replication.c'))
3090  endif
3091
3092  subdir('nbd')
3093  subdir('scsi')
3094  subdir('block')
3095
3096  blockdev_ss.add(files(
3097    'blockdev.c',
3098    'blockdev-nbd.c',
3099    'iothread.c',
3100    'job-qmp.c',
3101  ), gnutls)
3102
3103  # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3104  # os-win32.c does not
3105  blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3106  softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3107endif
3108
3109common_ss.add(files('cpus-common.c'))
3110
3111subdir('softmmu')
3112
3113common_ss.add(capstone)
3114specific_ss.add(files('cpu.c', 'disas.c'), capstone)
3115
3116# Work around a gcc bug/misfeature wherein constant propagation looks
3117# through an alias:
3118#   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3119# to guess that a const variable is always zero.  Without lto, this is
3120# impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3121# without lto, not even the alias is required -- we simply use different
3122# declarations in different compilation units.
3123pagevary = files('page-vary-common.c')
3124if get_option('b_lto')
3125  pagevary_flags = ['-fno-lto']
3126  if get_option('cfi')
3127    pagevary_flags += '-fno-sanitize=cfi-icall'
3128  endif
3129  pagevary = static_library('page-vary-common', sources: pagevary + genh,
3130                            c_args: pagevary_flags)
3131  pagevary = declare_dependency(link_with: pagevary)
3132endif
3133common_ss.add(pagevary)
3134specific_ss.add(files('page-vary.c'))
3135
3136subdir('backends')
3137subdir('disas')
3138subdir('migration')
3139subdir('monitor')
3140subdir('net')
3141subdir('replay')
3142subdir('semihosting')
3143subdir('stats')
3144subdir('tcg')
3145subdir('fpu')
3146subdir('accel')
3147subdir('plugins')
3148subdir('ebpf')
3149
3150common_user_inc = []
3151
3152subdir('common-user')
3153subdir('bsd-user')
3154subdir('linux-user')
3155
3156# needed for fuzzing binaries
3157subdir('tests/qtest/libqos')
3158subdir('tests/qtest/fuzz')
3159
3160# accel modules
3161tcg_real_module_ss = ss.source_set()
3162tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3163specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3164target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3165                                'tcg': tcg_real_module_ss }}
3166
3167########################
3168# Library dependencies #
3169########################
3170
3171modinfo_collect = find_program('scripts/modinfo-collect.py')
3172modinfo_generate = find_program('scripts/modinfo-generate.py')
3173modinfo_files = []
3174
3175block_mods = []
3176softmmu_mods = []
3177foreach d, list : modules
3178  foreach m, module_ss : list
3179    if enable_modules and targetos != 'windows'
3180      module_ss = module_ss.apply(config_all, strict: false)
3181      sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3182                          dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3183      if d == 'block'
3184        block_mods += sl
3185      else
3186        softmmu_mods += sl
3187      endif
3188      if module_ss.sources() != []
3189        # FIXME: Should use sl.extract_all_objects(recursive: true) as
3190        # input. Sources can be used multiple times but objects are
3191        # unique when it comes to lookup in compile_commands.json.
3192        # Depnds on a mesion version with
3193        # https://github.com/mesonbuild/meson/pull/8900
3194        modinfo_files += custom_target(d + '-' + m + '.modinfo',
3195                                       output: d + '-' + m + '.modinfo',
3196                                       input: module_ss.sources() + genh,
3197                                       capture: true,
3198                                       command: [modinfo_collect, module_ss.sources()])
3199      endif
3200    else
3201      if d == 'block'
3202        block_ss.add_all(module_ss)
3203      else
3204        softmmu_ss.add_all(module_ss)
3205      endif
3206    endif
3207  endforeach
3208endforeach
3209
3210foreach d, list : target_modules
3211  foreach m, module_ss : list
3212    if enable_modules and targetos != 'windows'
3213      foreach target : target_dirs
3214        if target.endswith('-softmmu')
3215          config_target = config_target_mak[target]
3216          config_target += config_host
3217          target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3218          c_args = ['-DNEED_CPU_H',
3219                    '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3220                    '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3221          target_module_ss = module_ss.apply(config_target, strict: false)
3222          if target_module_ss.sources() != []
3223            module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3224            sl = static_library(module_name,
3225                                [genh, target_module_ss.sources()],
3226                                dependencies: [modulecommon, target_module_ss.dependencies()],
3227                                include_directories: target_inc,
3228                                c_args: c_args,
3229                                pic: true)
3230            softmmu_mods += sl
3231            # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3232            modinfo_files += custom_target(module_name + '.modinfo',
3233                                           output: module_name + '.modinfo',
3234                                           input: target_module_ss.sources() + genh,
3235                                           capture: true,
3236                                           command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3237          endif
3238        endif
3239      endforeach
3240    else
3241      specific_ss.add_all(module_ss)
3242    endif
3243  endforeach
3244endforeach
3245
3246if enable_modules
3247  foreach target : target_dirs
3248    if target.endswith('-softmmu')
3249      config_target = config_target_mak[target]
3250      config_devices_mak = target + '-config-devices.mak'
3251      modinfo_src = custom_target('modinfo-' + target + '.c',
3252                                  output: 'modinfo-' + target + '.c',
3253                                  input: modinfo_files,
3254                                  command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3255                                  capture: true)
3256
3257      modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3258      modinfo_dep = declare_dependency(link_with: modinfo_lib)
3259
3260      arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3261      hw_arch[arch].add(modinfo_dep)
3262    endif
3263  endforeach
3264endif
3265
3266nm = find_program('nm')
3267undefsym = find_program('scripts/undefsym.py')
3268block_syms = custom_target('block.syms', output: 'block.syms',
3269                             input: [libqemuutil, block_mods],
3270                             capture: true,
3271                             command: [undefsym, nm, '@INPUT@'])
3272qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3273                             input: [libqemuutil, softmmu_mods],
3274                             capture: true,
3275                             command: [undefsym, nm, '@INPUT@'])
3276
3277authz_ss = authz_ss.apply(config_host, strict: false)
3278libauthz = static_library('authz', authz_ss.sources() + genh,
3279                          dependencies: [authz_ss.dependencies()],
3280                          name_suffix: 'fa',
3281                          build_by_default: false)
3282
3283authz = declare_dependency(link_whole: libauthz,
3284                           dependencies: qom)
3285
3286crypto_ss = crypto_ss.apply(config_host, strict: false)
3287libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3288                           dependencies: [crypto_ss.dependencies()],
3289                           name_suffix: 'fa',
3290                           build_by_default: false)
3291
3292crypto = declare_dependency(link_whole: libcrypto,
3293                            dependencies: [authz, qom])
3294
3295io_ss = io_ss.apply(config_host, strict: false)
3296libio = static_library('io', io_ss.sources() + genh,
3297                       dependencies: [io_ss.dependencies()],
3298                       link_with: libqemuutil,
3299                       name_suffix: 'fa',
3300                       build_by_default: false)
3301
3302io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3303
3304libmigration = static_library('migration', sources: migration_files + genh,
3305                              name_suffix: 'fa',
3306                              build_by_default: false)
3307migration = declare_dependency(link_with: libmigration,
3308                               dependencies: [zlib, qom, io])
3309softmmu_ss.add(migration)
3310
3311block_ss = block_ss.apply(config_host, strict: false)
3312libblock = static_library('block', block_ss.sources() + genh,
3313                          dependencies: block_ss.dependencies(),
3314                          link_depends: block_syms,
3315                          name_suffix: 'fa',
3316                          build_by_default: false)
3317
3318block = declare_dependency(link_whole: [libblock],
3319                           link_args: '@block.syms',
3320                           dependencies: [crypto, io])
3321
3322blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3323libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3324                             dependencies: blockdev_ss.dependencies(),
3325                             name_suffix: 'fa',
3326                             build_by_default: false)
3327
3328blockdev = declare_dependency(link_whole: [libblockdev],
3329                              dependencies: [block, event_loop_base])
3330
3331qmp_ss = qmp_ss.apply(config_host, strict: false)
3332libqmp = static_library('qmp', qmp_ss.sources() + genh,
3333                        dependencies: qmp_ss.dependencies(),
3334                        name_suffix: 'fa',
3335                        build_by_default: false)
3336
3337qmp = declare_dependency(link_whole: [libqmp])
3338
3339libchardev = static_library('chardev', chardev_ss.sources() + genh,
3340                            name_suffix: 'fa',
3341                            dependencies: chardev_ss.dependencies(),
3342                            build_by_default: false)
3343
3344chardev = declare_dependency(link_whole: libchardev)
3345
3346hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3347libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3348                           name_suffix: 'fa',
3349                           build_by_default: false)
3350hwcore = declare_dependency(link_whole: libhwcore)
3351common_ss.add(hwcore)
3352
3353###########
3354# Targets #
3355###########
3356
3357emulator_modules = []
3358foreach m : block_mods + softmmu_mods
3359  emulator_modules += shared_module(m.name(),
3360                build_by_default: true,
3361                name_prefix: '',
3362                link_whole: m,
3363                install: true,
3364                install_dir: qemu_moddir)
3365endforeach
3366if emulator_modules.length() > 0
3367  alias_target('modules', emulator_modules)
3368endif
3369
3370softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3371common_ss.add(qom, qemuutil)
3372
3373common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3374common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3375
3376common_all = common_ss.apply(config_all, strict: false)
3377common_all = static_library('common',
3378                            build_by_default: false,
3379                            sources: common_all.sources() + genh,
3380                            include_directories: common_user_inc,
3381                            implicit_include_directories: false,
3382                            dependencies: common_all.dependencies(),
3383                            name_suffix: 'fa')
3384
3385feature_to_c = find_program('scripts/feature_to_c.sh')
3386
3387if targetos == 'darwin'
3388  entitlement = find_program('scripts/entitlement.sh')
3389endif
3390
3391emulators = {}
3392foreach target : target_dirs
3393  config_target = config_target_mak[target]
3394  target_name = config_target['TARGET_NAME']
3395  target_base_arch = config_target['TARGET_BASE_ARCH']
3396  arch_srcs = [config_target_h[target]]
3397  arch_deps = []
3398  c_args = ['-DNEED_CPU_H',
3399            '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3400            '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3401  link_args = emulator_link_args
3402
3403  config_target += config_host
3404  target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3405  if targetos == 'linux'
3406    target_inc += include_directories('linux-headers', is_system: true)
3407  endif
3408  if target.endswith('-softmmu')
3409    target_type='system'
3410    t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3411    arch_srcs += t.sources()
3412    arch_deps += t.dependencies()
3413
3414    hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3415    hw = hw_arch[hw_dir].apply(config_target, strict: false)
3416    arch_srcs += hw.sources()
3417    arch_deps += hw.dependencies()
3418
3419    arch_srcs += config_devices_h[target]
3420    link_args += ['@block.syms', '@qemu.syms']
3421  else
3422    abi = config_target['TARGET_ABI_DIR']
3423    target_type='user'
3424    target_inc += common_user_inc
3425    if target_base_arch in target_user_arch
3426      t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3427      arch_srcs += t.sources()
3428      arch_deps += t.dependencies()
3429    endif
3430    if 'CONFIG_LINUX_USER' in config_target
3431      base_dir = 'linux-user'
3432    endif
3433    if 'CONFIG_BSD_USER' in config_target
3434      base_dir = 'bsd-user'
3435      target_inc += include_directories('bsd-user/' / targetos)
3436      target_inc += include_directories('bsd-user/host/' / host_arch)
3437      dir = base_dir / abi
3438      arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3439    endif
3440    target_inc += include_directories(
3441      base_dir,
3442      base_dir / abi,
3443    )
3444    if 'CONFIG_LINUX_USER' in config_target
3445      dir = base_dir / abi
3446      arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3447      if config_target.has_key('TARGET_SYSTBL_ABI')
3448        arch_srcs += \
3449          syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3450                                             extra_args : config_target['TARGET_SYSTBL_ABI'])
3451      endif
3452    endif
3453  endif
3454
3455  if 'TARGET_XML_FILES' in config_target
3456    gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3457                                output: target + '-gdbstub-xml.c',
3458                                input: files(config_target['TARGET_XML_FILES'].split()),
3459                                command: [feature_to_c, '@INPUT@'],
3460                                capture: true)
3461    arch_srcs += gdbstub_xml
3462  endif
3463
3464  t = target_arch[target_base_arch].apply(config_target, strict: false)
3465  arch_srcs += t.sources()
3466  arch_deps += t.dependencies()
3467
3468  target_common = common_ss.apply(config_target, strict: false)
3469  objects = common_all.extract_objects(target_common.sources())
3470  deps = target_common.dependencies()
3471
3472  target_specific = specific_ss.apply(config_target, strict: false)
3473  arch_srcs += target_specific.sources()
3474  arch_deps += target_specific.dependencies()
3475
3476  lib = static_library('qemu-' + target,
3477                 sources: arch_srcs + genh,
3478                 dependencies: arch_deps,
3479                 objects: objects,
3480                 include_directories: target_inc,
3481                 c_args: c_args,
3482                 build_by_default: false,
3483                 name_suffix: 'fa')
3484
3485  if target.endswith('-softmmu')
3486    execs = [{
3487      'name': 'qemu-system-' + target_name,
3488      'win_subsystem': 'console',
3489      'sources': files('softmmu/main.c'),
3490      'dependencies': []
3491    }]
3492    if targetos == 'windows' and (sdl.found() or gtk.found())
3493      execs += [{
3494        'name': 'qemu-system-' + target_name + 'w',
3495        'win_subsystem': 'windows',
3496        'sources': files('softmmu/main.c'),
3497        'dependencies': []
3498      }]
3499    endif
3500    if get_option('fuzzing')
3501      specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3502      execs += [{
3503        'name': 'qemu-fuzz-' + target_name,
3504        'win_subsystem': 'console',
3505        'sources': specific_fuzz.sources(),
3506        'dependencies': specific_fuzz.dependencies(),
3507      }]
3508    endif
3509  else
3510    execs = [{
3511      'name': 'qemu-' + target_name,
3512      'win_subsystem': 'console',
3513      'sources': [],
3514      'dependencies': []
3515    }]
3516  endif
3517  foreach exe: execs
3518    exe_name = exe['name']
3519    if targetos == 'darwin'
3520      exe_name += '-unsigned'
3521    endif
3522
3523    emulator = executable(exe_name, exe['sources'],
3524               install: true,
3525               c_args: c_args,
3526               dependencies: arch_deps + deps + exe['dependencies'],
3527               objects: lib.extract_all_objects(recursive: true),
3528               link_language: link_language,
3529               link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3530               link_args: link_args,
3531               win_subsystem: exe['win_subsystem'])
3532
3533    if targetos == 'darwin'
3534      icon = 'pc-bios/qemu.rsrc'
3535      build_input = [emulator, files(icon)]
3536      install_input = [
3537        get_option('bindir') / exe_name,
3538        meson.current_source_dir() / icon
3539      ]
3540      if 'CONFIG_HVF' in config_target
3541        entitlements = 'accel/hvf/entitlements.plist'
3542        build_input += files(entitlements)
3543        install_input += meson.current_source_dir() / entitlements
3544      endif
3545
3546      emulators += {exe['name'] : custom_target(exe['name'],
3547                   input: build_input,
3548                   output: exe['name'],
3549                   command: [entitlement, '@OUTPUT@', '@INPUT@'])
3550      }
3551
3552      meson.add_install_script(entitlement, '--install',
3553                               get_option('bindir') / exe['name'],
3554                               install_input)
3555    else
3556      emulators += {exe['name']: emulator}
3557    endif
3558
3559    if stap.found()
3560      foreach stp: [
3561        {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3562        {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3563        {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3564        {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3565      ]
3566        custom_target(exe['name'] + stp['ext'],
3567                      input: trace_events_all,
3568                      output: exe['name'] + stp['ext'],
3569                      install: stp['install'],
3570                      install_dir: get_option('datadir') / 'systemtap/tapset',
3571                      command: [
3572                        tracetool, '--group=all', '--format=' + stp['fmt'],
3573                        '--binary=' + stp['bin'],
3574                        '--target-name=' + target_name,
3575                        '--target-type=' + target_type,
3576                        '--probe-prefix=qemu.' + target_type + '.' + target_name,
3577                        '@INPUT@', '@OUTPUT@'
3578                      ],
3579                      depend_files: tracetool_depends)
3580      endforeach
3581    endif
3582  endforeach
3583endforeach
3584
3585# Other build targets
3586
3587if 'CONFIG_PLUGIN' in config_host
3588  install_headers('include/qemu/qemu-plugin.h')
3589endif
3590
3591subdir('qga')
3592
3593# Don't build qemu-keymap if xkbcommon is not explicitly enabled
3594# when we don't build tools or system
3595if xkbcommon.found()
3596  # used for the update-keymaps target, so include rules even if !have_tools
3597  qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3598                           dependencies: [qemuutil, xkbcommon], install: have_tools)
3599endif
3600
3601if have_tools
3602  qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3603             dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3604  qemu_io = executable('qemu-io', files('qemu-io.c'),
3605             dependencies: [block, qemuutil], install: true)
3606  qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3607               dependencies: [blockdev, qemuutil, gnutls, selinux],
3608               install: true)
3609
3610  subdir('storage-daemon')
3611  subdir('contrib/rdmacm-mux')
3612  subdir('contrib/elf2dmp')
3613
3614  executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3615             dependencies: qemuutil,
3616             install: true)
3617
3618  if have_vhost_user
3619    subdir('contrib/vhost-user-blk')
3620    subdir('contrib/vhost-user-gpu')
3621    subdir('contrib/vhost-user-input')
3622    subdir('contrib/vhost-user-scsi')
3623  endif
3624
3625  if targetos == 'linux'
3626    executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3627               dependencies: [qemuutil, libcap_ng],
3628               install: true,
3629               install_dir: get_option('libexecdir'))
3630
3631    executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3632               dependencies: [authz, crypto, io, qom, qemuutil,
3633                              libcap_ng, mpathpersist],
3634               install: true)
3635  endif
3636
3637  if have_ivshmem
3638    subdir('contrib/ivshmem-client')
3639    subdir('contrib/ivshmem-server')
3640  endif
3641endif
3642
3643subdir('scripts')
3644subdir('tools')
3645subdir('pc-bios')
3646subdir('docs')
3647subdir('tests')
3648if gtk.found()
3649  subdir('po')
3650endif
3651
3652if host_machine.system() == 'windows'
3653  nsis_cmd = [
3654    find_program('scripts/nsis.py'),
3655    '@OUTPUT@',
3656    get_option('prefix'),
3657    meson.current_source_dir(),
3658    config_host['GLIB_BINDIR'],
3659    host_machine.cpu(),
3660    '--',
3661    '-DDISPLAYVERSION=' + meson.project_version(),
3662  ]
3663  if build_docs
3664    nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3665  endif
3666  if gtk.found()
3667    nsis_cmd += '-DCONFIG_GTK=y'
3668  endif
3669
3670  nsis = custom_target('nsis',
3671                       output: 'qemu-setup-' + meson.project_version() + '.exe',
3672                       input: files('qemu.nsi'),
3673                       build_always_stale: true,
3674                       command: nsis_cmd + ['@INPUT@'])
3675  alias_target('installer', nsis)
3676endif
3677
3678#########################
3679# Configuration summary #
3680#########################
3681
3682# Directories
3683summary_info = {}
3684summary_info += {'Install prefix':    get_option('prefix')}
3685summary_info += {'BIOS directory':    qemu_datadir}
3686pathsep = targetos == 'windows' ? ';' : ':'
3687summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
3688summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3689summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3690summary_info += {'module directory':  qemu_moddir}
3691summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3692summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3693summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3694if targetos != 'windows'
3695  summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3696  summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3697else
3698  summary_info += {'local state directory': 'queried at runtime'}
3699endif
3700summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3701summary_info += {'Build directory':   meson.current_build_dir()}
3702summary_info += {'Source path':       meson.current_source_dir()}
3703summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3704summary(summary_info, bool_yn: true, section: 'Directories')
3705
3706# Host binaries
3707summary_info = {}
3708summary_info += {'git':               config_host['GIT']}
3709summary_info += {'make':              config_host['MAKE']}
3710summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3711summary_info += {'sphinx-build':      sphinx_build}
3712if config_host.has_key('HAVE_GDB_BIN')
3713  summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3714endif
3715summary_info += {'iasl':              iasl}
3716summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3717if targetos == 'windows' and have_ga
3718  summary_info += {'wixl':            wixl}
3719endif
3720if slirp.found() and have_system
3721  summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3722endif
3723summary(summary_info, bool_yn: true, section: 'Host binaries')
3724
3725# Configurable features
3726summary_info = {}
3727summary_info += {'Documentation':     build_docs}
3728summary_info += {'system-mode emulation': have_system}
3729summary_info += {'user-mode emulation': have_user}
3730summary_info += {'block layer':       have_block}
3731summary_info += {'Install blobs':     get_option('install_blobs')}
3732summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3733if config_host.has_key('CONFIG_MODULES')
3734  summary_info += {'alternative module path': get_option('module_upgrades')}
3735endif
3736summary_info += {'fuzzing support':   get_option('fuzzing')}
3737if have_system
3738  summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3739endif
3740summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3741if 'simple' in get_option('trace_backends')
3742  summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3743endif
3744summary_info += {'D-Bus display':     dbus_display}
3745summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3746summary_info += {'vhost-kernel support': have_vhost_kernel}
3747summary_info += {'vhost-net support': have_vhost_net}
3748summary_info += {'vhost-user support': have_vhost_user}
3749summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3750summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3751summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3752summary_info += {'build guest agent': have_ga}
3753summary(summary_info, bool_yn: true, section: 'Configurable features')
3754
3755# Compilation information
3756summary_info = {}
3757summary_info += {'host CPU':          cpu}
3758summary_info += {'host endianness':   build_machine.endian()}
3759summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3760summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3761if link_language == 'cpp'
3762  summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3763else
3764  summary_info += {'C++ compiler':      false}
3765endif
3766if targetos == 'darwin'
3767  summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3768endif
3769option_cflags = (get_option('debug') ? ['-g'] : [])
3770if get_option('optimization') != 'plain'
3771  option_cflags += ['-O' + get_option('optimization')]
3772endif
3773summary_info += {'CFLAGS':            ' '.join(get_option('c_args') + option_cflags)}
3774if link_language == 'cpp'
3775  summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args') + option_cflags)}
3776endif
3777if targetos == 'darwin'
3778  summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args') + option_cflags)}
3779endif
3780link_args = get_option(link_language + '_link_args')
3781if link_args.length() > 0
3782  summary_info += {'LDFLAGS':         ' '.join(link_args)}
3783endif
3784summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3785if 'cpp' in all_languages
3786  summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3787endif
3788if 'objc' in all_languages
3789  summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3790endif
3791summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3792summary_info += {'profiler':          get_option('profiler')}
3793summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3794summary_info += {'PIE':               get_option('b_pie')}
3795summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3796summary_info += {'malloc trim support': has_malloc_trim}
3797summary_info += {'membarrier':        have_membarrier}
3798summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3799summary_info += {'mutex debugging':   get_option('debug_mutex')}
3800summary_info += {'memory allocator':  get_option('malloc')}
3801summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3802summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
3803summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3804if get_option('gprof')
3805  gprof_info = 'YES (deprecated)'
3806else
3807  gprof_info = get_option('gprof')
3808endif
3809summary_info += {'gprof':             gprof_info}
3810summary_info += {'gcov':              get_option('b_coverage')}
3811summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3812summary_info += {'CFI support':       get_option('cfi')}
3813if get_option('cfi')
3814  summary_info += {'CFI debug support': get_option('cfi_debug')}
3815endif
3816summary_info += {'strip binaries':    get_option('strip')}
3817summary_info += {'sparse':            sparse}
3818summary_info += {'mingw32 support':   targetos == 'windows'}
3819summary(summary_info, bool_yn: true, section: 'Compilation')
3820
3821# snarf the cross-compilation information for tests
3822summary_info = {}
3823have_cross = false
3824foreach target: target_dirs
3825  tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
3826  if fs.exists(tcg_mak)
3827    config_cross_tcg = keyval.load(tcg_mak)
3828    if 'CC' in config_cross_tcg
3829      summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3830      have_cross = true
3831    endif
3832  endif
3833endforeach
3834if have_cross
3835  summary(summary_info, bool_yn: true, section: 'Cross compilers')
3836endif
3837
3838# Targets and accelerators
3839summary_info = {}
3840if have_system
3841  summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3842  summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3843  summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3844  summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3845  summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3846  summary_info += {'Xen support':       xen.found()}
3847  if xen.found()
3848    summary_info += {'xen ctrl version':  xen.version()}
3849  endif
3850endif
3851summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3852if config_all.has_key('CONFIG_TCG')
3853  if get_option('tcg_interpreter')
3854    summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3855  else
3856    summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3857  endif
3858  summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3859  summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3860endif
3861summary_info += {'target list':       ' '.join(target_dirs)}
3862if have_system
3863  summary_info += {'default devices':   get_option('default_devices')}
3864  summary_info += {'out of process emulation': multiprocess_allowed}
3865  summary_info += {'vfio-user server': vfio_user_server_allowed}
3866endif
3867summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3868
3869# Block layer
3870summary_info = {}
3871summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3872summary_info += {'coroutine pool':    have_coroutine_pool}
3873if have_block
3874  summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3875  summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3876  summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3877  summary_info += {'VirtFS support':    have_virtfs}
3878  summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3879  summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3880  summary_info += {'bochs support':     get_option('bochs').allowed()}
3881  summary_info += {'cloop support':     get_option('cloop').allowed()}
3882  summary_info += {'dmg support':       get_option('dmg').allowed()}
3883  summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3884  summary_info += {'vdi support':       get_option('vdi').allowed()}
3885  summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3886  summary_info += {'qed support':       get_option('qed').allowed()}
3887  summary_info += {'parallels support': get_option('parallels').allowed()}
3888  summary_info += {'FUSE exports':      fuse}
3889  summary_info += {'VDUSE block exports': have_vduse_blk_export}
3890endif
3891summary(summary_info, bool_yn: true, section: 'Block layer support')
3892
3893# Crypto
3894summary_info = {}
3895summary_info += {'TLS priority':      get_option('tls_priority')}
3896summary_info += {'GNUTLS support':    gnutls}
3897if gnutls.found()
3898  summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3899endif
3900summary_info += {'libgcrypt':         gcrypt}
3901summary_info += {'nettle':            nettle}
3902if nettle.found()
3903   summary_info += {'  XTS':             xts != 'private'}
3904endif
3905summary_info += {'AF_ALG support':    have_afalg}
3906summary_info += {'rng-none':          get_option('rng_none')}
3907summary_info += {'Linux keyring':     have_keyring}
3908summary(summary_info, bool_yn: true, section: 'Crypto')
3909
3910# Libraries
3911summary_info = {}
3912if targetos == 'darwin'
3913  summary_info += {'Cocoa support':           cocoa}
3914  summary_info += {'vmnet.framework support': vmnet}
3915endif
3916summary_info += {'SDL support':       sdl}
3917summary_info += {'SDL image support': sdl_image}
3918summary_info += {'GTK support':       gtk}
3919summary_info += {'pixman':            pixman}
3920summary_info += {'VTE support':       vte}
3921summary_info += {'slirp support':     slirp}
3922summary_info += {'libtasn1':          tasn1}
3923summary_info += {'PAM':               pam}
3924summary_info += {'iconv support':     iconv}
3925summary_info += {'curses support':    curses}
3926summary_info += {'virgl support':     virgl}
3927summary_info += {'blkio support':     blkio}
3928summary_info += {'curl support':      curl}
3929summary_info += {'Multipath support': mpathpersist}
3930summary_info += {'PNG support':       png}
3931summary_info += {'VNC support':       vnc}
3932if vnc.found()
3933  summary_info += {'VNC SASL support':  sasl}
3934  summary_info += {'VNC JPEG support':  jpeg}
3935endif
3936if targetos not in ['darwin', 'haiku', 'windows']
3937  summary_info += {'OSS support':     oss}
3938  summary_info += {'sndio support':   sndio}
3939elif targetos == 'darwin'
3940  summary_info += {'CoreAudio support': coreaudio}
3941elif targetos == 'windows'
3942  summary_info += {'DirectSound support': dsound}
3943endif
3944if targetos == 'linux'
3945  summary_info += {'ALSA support':    alsa}
3946  summary_info += {'PulseAudio support': pulse}
3947endif
3948summary_info += {'JACK support':      jack}
3949summary_info += {'brlapi support':    brlapi}
3950summary_info += {'vde support':       vde}
3951summary_info += {'netmap support':    have_netmap}
3952summary_info += {'l2tpv3 support':    have_l2tpv3}
3953summary_info += {'Linux AIO support': libaio}
3954summary_info += {'Linux io_uring support': linux_io_uring}
3955summary_info += {'ATTR/XATTR support': libattr}
3956summary_info += {'RDMA support':      rdma}
3957summary_info += {'PVRDMA support':    have_pvrdma}
3958summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3959summary_info += {'libcap-ng support': libcap_ng}
3960summary_info += {'bpf support':       libbpf}
3961summary_info += {'spice protocol support': spice_protocol}
3962if spice_protocol.found()
3963  summary_info += {'  spice server support': spice}
3964endif
3965summary_info += {'rbd support':       rbd}
3966summary_info += {'smartcard support': cacard}
3967summary_info += {'U2F support':       u2f}
3968summary_info += {'libusb':            libusb}
3969summary_info += {'usb net redir':     usbredir}
3970summary_info += {'OpenGL support (epoxy)': opengl}
3971summary_info += {'GBM':               gbm}
3972summary_info += {'libiscsi support':  libiscsi}
3973summary_info += {'libnfs support':    libnfs}
3974if targetos == 'windows'
3975  if have_ga
3976    summary_info += {'QGA VSS support':   have_qga_vss}
3977  endif
3978endif
3979summary_info += {'seccomp support':   seccomp}
3980summary_info += {'GlusterFS support': glusterfs}
3981summary_info += {'TPM support':       have_tpm}
3982summary_info += {'libssh support':    libssh}
3983summary_info += {'lzo support':       lzo}
3984summary_info += {'snappy support':    snappy}
3985summary_info += {'bzip2 support':     libbzip2}
3986summary_info += {'lzfse support':     liblzfse}
3987summary_info += {'zstd support':      zstd}
3988summary_info += {'NUMA host support': numa}
3989summary_info += {'capstone':          capstone}
3990summary_info += {'libpmem support':   libpmem}
3991summary_info += {'libdaxctl support': libdaxctl}
3992summary_info += {'libudev':           libudev}
3993# Dummy dependency, keep .found()
3994summary_info += {'FUSE lseek':        fuse_lseek.found()}
3995summary_info += {'selinux':           selinux}
3996summary_info += {'libdw':             libdw}
3997summary(summary_info, bool_yn: true, section: 'Dependencies')
3998
3999if not supported_cpus.contains(cpu)
4000  message()
4001  warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4002  message()
4003  message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4004  message('The QEMU project intends to remove support for this host CPU in')
4005  message('a future release if nobody volunteers to maintain it and to')
4006  message('provide a build host for our continuous integration setup.')
4007  message('configure has succeeded and you can continue to build, but')
4008  message('if you care about QEMU on this platform you should contact')
4009  message('us upstream at qemu-devel@nongnu.org.')
4010endif
4011
4012if not supported_oses.contains(targetos)
4013  message()
4014  warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4015  message()
4016  message('Host OS ' + targetos + 'support is not currently maintained.')
4017  message('The QEMU project intends to remove support for this host OS in')
4018  message('a future release if nobody volunteers to maintain it and to')
4019  message('provide a build host for our continuous integration setup.')
4020  message('configure has succeeded and you can continue to build, but')
4021  message('if you care about QEMU on this platform you should contact')
4022  message('us upstream at qemu-devel@nongnu.org.')
4023endif
4024