xref: /qemu/meson.build (revision 84615a19)
1project('qemu', ['c'], meson_version: '>=0.61.3',
2        default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
3                          'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
4        version: files('VERSION'))
5
6add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true)
7add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
8add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
9
10meson.add_postconf_script(find_program('scripts/symlink-install-tree.py'))
11
12not_found = dependency('', required: false)
13keyval = import('keyval')
14ss = import('sourceset')
15fs = import('fs')
16
17targetos = host_machine.system()
18sh = find_program('sh')
19config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
20enable_modules = 'CONFIG_MODULES' in config_host
21enable_static = 'CONFIG_STATIC' in config_host
22
23# Allow both shared and static libraries unless --enable-static
24static_kwargs = enable_static ? {'static': true} : {}
25
26cc = meson.get_compiler('c')
27all_languages = ['c']
28if add_languages('cpp', required: false, native: false)
29  all_languages += ['cpp']
30  cxx = meson.get_compiler('cpp')
31endif
32if targetos == 'darwin' and \
33   add_languages('objc', required: get_option('cocoa'), native: false)
34  all_languages += ['objc']
35  objc = meson.get_compiler('objc')
36endif
37
38# Temporary directory used for files created while
39# configure runs. Since it is in the build directory
40# we can safely blow away any previous version of it
41# (and we need not jump through hoops to try to delete
42# it when configure exits.)
43tmpdir = meson.current_build_dir() / 'meson-private/temp'
44
45if get_option('qemu_suffix').startswith('/')
46  error('qemu_suffix cannot start with a /')
47endif
48
49qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
50qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
51qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
52qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
53
54qemu_desktopdir = get_option('datadir') / 'applications'
55qemu_icondir = get_option('datadir') / 'icons'
56
57config_host_data = configuration_data()
58genh = []
59qapi_trace_events = []
60
61bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
62supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
63supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
64  'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
65
66cpu = host_machine.cpu_family()
67
68# Unify riscv* to a single family.
69if cpu in ['riscv32', 'riscv64']
70  cpu = 'riscv'
71endif
72
73target_dirs = config_host['TARGET_DIRS'].split()
74have_linux_user = false
75have_bsd_user = false
76have_system = false
77foreach target : target_dirs
78  have_linux_user = have_linux_user or target.endswith('linux-user')
79  have_bsd_user = have_bsd_user or target.endswith('bsd-user')
80  have_system = have_system or target.endswith('-softmmu')
81endforeach
82have_user = have_linux_user or have_bsd_user
83have_tools = get_option('tools') \
84  .disable_auto_if(not have_system) \
85  .allowed()
86have_ga = get_option('guest_agent') \
87  .disable_auto_if(not have_system and not have_tools) \
88  .require(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
89           error_message: 'unsupported OS for QEMU guest agent') \
90  .allowed()
91have_block = have_system or have_tools
92
93python = import('python').find_installation()
94
95if cpu not in supported_cpus
96  host_arch = 'unknown'
97elif cpu == 'x86'
98  host_arch = 'i386'
99elif cpu == 'mips64'
100  host_arch = 'mips'
101else
102  host_arch = cpu
103endif
104
105if cpu in ['x86', 'x86_64']
106  kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
107elif cpu == 'aarch64'
108  kvm_targets = ['aarch64-softmmu']
109elif cpu == 's390x'
110  kvm_targets = ['s390x-softmmu']
111elif cpu in ['ppc', 'ppc64']
112  kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
113elif cpu in ['mips', 'mips64']
114  kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
115elif cpu in ['riscv']
116  kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
117else
118  kvm_targets = []
119endif
120
121kvm_targets_c = '""'
122if get_option('kvm').allowed() and targetos == 'linux'
123  kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
124endif
125config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
126
127accelerator_targets = { 'CONFIG_KVM': kvm_targets }
128
129if cpu in ['aarch64']
130  accelerator_targets += {
131    'CONFIG_HVF': ['aarch64-softmmu']
132  }
133endif
134
135if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
136  # i386 emulator provides xenpv machine type for multiple architectures
137  accelerator_targets += {
138    'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
139  }
140endif
141if cpu in ['x86', 'x86_64']
142  accelerator_targets += {
143    'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
144    'CONFIG_HVF': ['x86_64-softmmu'],
145    'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
146    'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
147  }
148endif
149
150modular_tcg = []
151# Darwin does not support references to thread-local variables in modules
152if targetos != 'darwin'
153  modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
154endif
155
156edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
157unpack_edk2_blobs = false
158foreach target : edk2_targets
159  if target in target_dirs
160    bzip2 = find_program('bzip2', required: get_option('install_blobs'))
161    unpack_edk2_blobs = bzip2.found()
162    break
163  endif
164endforeach
165
166dtrace = not_found
167stap = not_found
168if 'dtrace' in get_option('trace_backends')
169  dtrace = find_program('dtrace', required: true)
170  stap = find_program('stap', required: false)
171  if stap.found()
172    # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
173    # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
174    # instead. QEMU --enable-modules depends on this because the SystemTap
175    # semaphores are linked into the main binary and not the module's shared
176    # object.
177    add_global_arguments('-DSTAP_SDT_V2',
178                         native: false, language: all_languages)
179  endif
180endif
181
182if get_option('iasl') == ''
183  iasl = find_program('iasl', required: false)
184else
185  iasl = find_program(get_option('iasl'), required: true)
186endif
187
188##################
189# Compiler flags #
190##################
191
192qemu_cflags = config_host['QEMU_CFLAGS'].split()
193qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split()
194qemu_ldflags = config_host['QEMU_LDFLAGS'].split()
195
196if enable_static
197  qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
198endif
199
200# Detect support for PT_GNU_RELRO + DT_BIND_NOW.
201# The combination is known as "full relro", because .got.plt is read-only too.
202qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
203
204if targetos == 'windows'
205  qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
206  qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
207endif
208
209if get_option('gprof')
210  qemu_cflags += ['-p']
211  qemu_objcflags += ['-p']
212  qemu_ldflags += ['-p']
213endif
214
215# Specify linker-script with add_project_link_arguments so that it is not placed
216# within a linker --start-group/--end-group pair
217if get_option('fuzzing')
218  add_project_link_arguments(['-Wl,-T,',
219                              (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
220                             native: false, language: all_languages)
221
222  # Specify a filter to only instrument code that is directly related to
223  # virtual-devices.
224  configure_file(output: 'instrumentation-filter',
225                 input: 'scripts/oss-fuzz/instrumentation-filter-template',
226                 copy: true)
227
228  if cc.compiles('int main () { return 0; }',
229                  name: '-fsanitize-coverage-allowlist=/dev/null',
230                 args: ['-fsanitize-coverage-allowlist=/dev/null',
231                        '-fsanitize-coverage=trace-pc'] )
232    add_global_arguments('-fsanitize-coverage-allowlist=instrumentation-filter',
233                         native: false, language: all_languages)
234  endif
235
236  if get_option('fuzzing_engine') == ''
237    # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
238    # compiled code.  To build non-fuzzer binaries with --enable-fuzzing, link
239    # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
240    # unable to bind the fuzzer-related callbacks added by instrumentation.
241    add_global_arguments('-fsanitize=fuzzer-no-link',
242                         native: false, language: all_languages)
243    add_global_link_arguments('-fsanitize=fuzzer-no-link',
244                              native: false, language: all_languages)
245    # For the actual fuzzer binaries, we need to link against the libfuzzer
246    # library. They need to be configurable, to support OSS-Fuzz
247    fuzz_exe_ldflags = ['-fsanitize=fuzzer']
248  else
249    # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
250    # the needed CFLAGS have already been provided
251    fuzz_exe_ldflags = get_option('fuzzing_engine').split()
252  endif
253endif
254
255# Check that the C++ compiler exists and works with the C compiler.
256link_language = 'c'
257linker = cc
258qemu_cxxflags = []
259if 'cpp' in all_languages
260  add_global_arguments(['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'],
261                       native: false, language: 'cpp')
262  foreach k: qemu_cflags
263    if k not in ['-Wstrict-prototypes', '-Wmissing-prototypes', '-Wnested-externs',
264                 '-Wold-style-declaration', '-Wold-style-definition', '-Wredundant-decls']
265      qemu_cxxflags += [k]
266    endif
267  endforeach
268
269  if cxx.links(files('scripts/main.c'), args: qemu_cflags)
270    link_language = 'cpp'
271    linker = cxx
272  else
273    message('C++ compiler does not work with C compiler')
274    message('Disabling C++-specific optional code')
275  endif
276endif
277
278# Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
279if targetos != 'sunos' and not config_host.has_key('CONFIG_TSAN')
280  qemu_ldflags += linker.get_supported_link_arguments('-Wl,--warn-common')
281endif
282
283add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
284
285add_global_arguments(qemu_cflags, native: false, language: 'c')
286add_global_arguments(qemu_cxxflags, native: false, language: 'cpp')
287add_global_arguments(qemu_objcflags, native: false, language: 'objc')
288if targetos == 'linux'
289  add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
290                        '-isystem', 'linux-headers',
291                        language: all_languages)
292endif
293
294add_project_arguments('-iquote', '.',
295                      '-iquote', meson.current_source_dir(),
296                      '-iquote', meson.current_source_dir() / 'include',
297                      language: all_languages)
298
299sparse = find_program('cgcc', required: get_option('sparse'))
300if sparse.found()
301  run_target('sparse',
302             command: [find_program('scripts/check_sparse.py'),
303                       'compile_commands.json', sparse.full_path(), '-Wbitwise',
304                       '-Wno-transparent-union', '-Wno-old-initializer',
305                       '-Wno-non-pointer-null'])
306endif
307
308###########################################
309# Target-specific checks and dependencies #
310###########################################
311
312# Fuzzing
313if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
314    not cc.links('''
315          #include <stdint.h>
316          #include <sys/types.h>
317          int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
318          int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
319        ''',
320        args: ['-Werror', '-fsanitize=fuzzer'])
321  error('Your compiler does not support -fsanitize=fuzzer')
322endif
323
324# Tracing backends
325if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
326  error('ftrace is supported only on Linux')
327endif
328if 'syslog' in get_option('trace_backends') and not cc.compiles('''
329    #include <syslog.h>
330    int main(void) {
331        openlog("qemu", LOG_PID, LOG_DAEMON);
332        syslog(LOG_INFO, "configure");
333        return 0;
334    }''')
335  error('syslog is not supported on this system')
336endif
337
338# Miscellaneous Linux-only features
339get_option('mpath') \
340  .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
341
342multiprocess_allowed = get_option('multiprocess') \
343  .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
344  .allowed()
345
346vfio_user_server_allowed = get_option('vfio_user_server') \
347  .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
348  .allowed()
349
350have_tpm = get_option('tpm') \
351  .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
352  .allowed()
353
354# vhost
355have_vhost_user = get_option('vhost_user') \
356  .disable_auto_if(targetos != 'linux') \
357  .require(targetos != 'windows',
358           error_message: 'vhost-user is not available on Windows').allowed()
359have_vhost_vdpa = get_option('vhost_vdpa') \
360  .require(targetos == 'linux',
361           error_message: 'vhost-vdpa is only available on Linux').allowed()
362have_vhost_kernel = get_option('vhost_kernel') \
363  .require(targetos == 'linux',
364           error_message: 'vhost-kernel is only available on Linux').allowed()
365have_vhost_user_crypto = get_option('vhost_crypto') \
366  .require(have_vhost_user,
367           error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
368
369have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
370
371have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
372have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
373have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
374have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
375
376# Target-specific libraries and flags
377libm = cc.find_library('m', required: false)
378threads = dependency('threads')
379util = cc.find_library('util', required: false)
380winmm = []
381socket = []
382version_res = []
383coref = []
384iokit = []
385emulator_link_args = []
386nvmm =not_found
387hvf = not_found
388midl = not_found
389widl = not_found
390pathcch = not_found
391host_dsosuf = '.so'
392if targetos == 'windows'
393  midl = find_program('midl', required: false)
394  widl = find_program('widl', required: false)
395  pathcch = cc.find_library('pathcch')
396  socket = cc.find_library('ws2_32')
397  winmm = cc.find_library('winmm')
398
399  win = import('windows')
400  version_res = win.compile_resources('version.rc',
401                                      depend_files: files('pc-bios/qemu-nsis.ico'),
402                                      include_directories: include_directories('.'))
403  host_dsosuf = '.dll'
404elif targetos == 'darwin'
405  coref = dependency('appleframeworks', modules: 'CoreFoundation')
406  iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
407  host_dsosuf = '.dylib'
408elif targetos == 'sunos'
409  socket = [cc.find_library('socket'),
410            cc.find_library('nsl'),
411            cc.find_library('resolv')]
412elif targetos == 'haiku'
413  socket = [cc.find_library('posix_error_mapper'),
414            cc.find_library('network'),
415            cc.find_library('bsd')]
416elif targetos == 'openbsd'
417  if get_option('tcg').allowed() and target_dirs.length() > 0
418    # Disable OpenBSD W^X if available
419    emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
420  endif
421endif
422
423# Target-specific configuration of accelerators
424accelerators = []
425if get_option('kvm').allowed() and targetos == 'linux'
426  accelerators += 'CONFIG_KVM'
427endif
428if get_option('whpx').allowed() and targetos == 'windows'
429  if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
430    error('WHPX requires 64-bit host')
431  elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
432       cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
433    accelerators += 'CONFIG_WHPX'
434  endif
435endif
436if get_option('hvf').allowed()
437  hvf = dependency('appleframeworks', modules: 'Hypervisor',
438                   required: get_option('hvf'))
439  if hvf.found()
440    accelerators += 'CONFIG_HVF'
441  endif
442endif
443if get_option('hax').allowed()
444  if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
445    accelerators += 'CONFIG_HAX'
446  endif
447endif
448if targetos == 'netbsd'
449  nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
450  if nvmm.found()
451    accelerators += 'CONFIG_NVMM'
452  endif
453endif
454
455tcg_arch = host_arch
456if get_option('tcg').allowed()
457  if host_arch == 'unknown'
458    if get_option('tcg_interpreter')
459      warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
460    else
461      error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
462    endif
463  elif get_option('tcg_interpreter')
464    warning('Use of the TCG interpreter is not recommended on this host')
465    warning('architecture. There is a native TCG execution backend available')
466    warning('which provides substantially better performance and reliability.')
467    warning('It is strongly recommended to remove the --enable-tcg-interpreter')
468    warning('configuration option on this architecture to use the native')
469    warning('backend.')
470  endif
471  if get_option('tcg_interpreter')
472    tcg_arch = 'tci'
473    config_host += { 'CONFIG_TCG_INTERPRETER': 'y' }
474  elif host_arch == 'x86_64'
475    tcg_arch = 'i386'
476  elif host_arch == 'ppc64'
477    tcg_arch = 'ppc'
478  endif
479  add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
480                        language: all_languages)
481
482  accelerators += 'CONFIG_TCG'
483  config_host += { 'CONFIG_TCG': 'y' }
484endif
485
486if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
487  error('KVM not available on this platform')
488endif
489if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
490  error('HVF not available on this platform')
491endif
492if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
493  error('NVMM not available on this platform')
494endif
495if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
496  error('WHPX not available on this platform')
497endif
498
499################
500# Dependencies #
501################
502
503# The path to glib.h is added to all compilation commands.  This was
504# grandfathered in from the QEMU Makefiles.
505add_project_arguments(config_host['GLIB_CFLAGS'].split(),
506                      native: false, language: all_languages)
507glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
508                          link_args: config_host['GLIB_LIBS'].split(),
509                          version: config_host['GLIB_VERSION'],
510                          variables: {
511                            'bindir': config_host['GLIB_BINDIR'],
512                          })
513# override glib dep with the configure results (for subprojects)
514meson.override_dependency('glib-2.0', glib)
515
516gio = not_found
517gdbus_codegen = not_found
518gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
519if not get_option('gio').auto() or have_system
520  gio = dependency('gio-2.0', required: get_option('gio'),
521                   method: 'pkg-config', kwargs: static_kwargs)
522  if gio.found() and not cc.links('''
523    #include <gio/gio.h>
524    int main(void)
525    {
526      g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
527      return 0;
528    }''', dependencies: [glib, gio])
529    if get_option('gio').enabled()
530      error('The installed libgio is broken for static linking')
531    endif
532    gio = not_found
533  endif
534  if gio.found()
535    gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
536                                 required: get_option('gio'))
537    gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
538                          method: 'pkg-config', kwargs: static_kwargs)
539    gio = declare_dependency(dependencies: [gio, gio_unix],
540                             version: gio.version())
541  endif
542endif
543if gdbus_codegen.found() and get_option('cfi')
544  gdbus_codegen = not_found
545  gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
546endif
547
548lttng = not_found
549if 'ust' in get_option('trace_backends')
550  lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
551                     method: 'pkg-config', kwargs: static_kwargs)
552endif
553pixman = not_found
554if have_system or have_tools
555  pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
556                      method: 'pkg-config', kwargs: static_kwargs)
557endif
558zlib = dependency('zlib', required: true, kwargs: static_kwargs)
559
560libaio = not_found
561if not get_option('linux_aio').auto() or have_block
562  libaio = cc.find_library('aio', has_headers: ['libaio.h'],
563                           required: get_option('linux_aio'),
564                           kwargs: static_kwargs)
565endif
566
567linux_io_uring_test = '''
568  #include <liburing.h>
569  #include <linux/errqueue.h>
570
571  int main(void) { return 0; }'''
572
573linux_io_uring = not_found
574if not get_option('linux_io_uring').auto() or have_block
575  linux_io_uring = dependency('liburing', version: '>=0.3',
576                              required: get_option('linux_io_uring'),
577                              method: 'pkg-config', kwargs: static_kwargs)
578  if not cc.links(linux_io_uring_test)
579    linux_io_uring = not_found
580  endif
581endif
582
583libnfs = not_found
584if not get_option('libnfs').auto() or have_block
585  libnfs = dependency('libnfs', version: '>=1.9.3',
586                      required: get_option('libnfs'),
587                      method: 'pkg-config', kwargs: static_kwargs)
588endif
589
590libattr_test = '''
591  #include <stddef.h>
592  #include <sys/types.h>
593  #ifdef CONFIG_LIBATTR
594  #include <attr/xattr.h>
595  #else
596  #include <sys/xattr.h>
597  #endif
598  int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
599
600libattr = not_found
601have_old_libattr = false
602if get_option('attr').allowed()
603  if cc.links(libattr_test)
604    libattr = declare_dependency()
605  else
606    libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
607                              required: get_option('attr'),
608                              kwargs: static_kwargs)
609    if libattr.found() and not \
610      cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
611      libattr = not_found
612      if get_option('attr').enabled()
613        error('could not link libattr')
614      else
615        warning('could not link libattr, disabling')
616      endif
617    else
618      have_old_libattr = libattr.found()
619    endif
620  endif
621endif
622
623cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
624                   required: get_option('cocoa'))
625
626vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
627if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
628                                              'VMNET_BRIDGED_MODE',
629                                              dependencies: vmnet)
630  vmnet = not_found
631  if get_option('vmnet').enabled()
632    error('vmnet.framework API is outdated')
633  else
634    warning('vmnet.framework API is outdated, disabling')
635  endif
636endif
637
638seccomp = not_found
639seccomp_has_sysrawrc = false
640if not get_option('seccomp').auto() or have_system or have_tools
641  seccomp = dependency('libseccomp', version: '>=2.3.0',
642                       required: get_option('seccomp'),
643                       method: 'pkg-config', kwargs: static_kwargs)
644  if seccomp.found()
645    seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
646                                                'SCMP_FLTATR_API_SYSRAWRC',
647                                                dependencies: seccomp)
648  endif
649endif
650
651libcap_ng = not_found
652if not get_option('cap_ng').auto() or have_system or have_tools
653  libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
654                              required: get_option('cap_ng'),
655                              kwargs: static_kwargs)
656endif
657if libcap_ng.found() and not cc.links('''
658   #include <cap-ng.h>
659   int main(void)
660   {
661     capng_capability_to_name(CAPNG_EFFECTIVE);
662     return 0;
663   }''', dependencies: libcap_ng)
664  libcap_ng = not_found
665  if get_option('cap_ng').enabled()
666    error('could not link libcap-ng')
667  else
668    warning('could not link libcap-ng, disabling')
669  endif
670endif
671
672if get_option('xkbcommon').auto() and not have_system and not have_tools
673  xkbcommon = not_found
674else
675  xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
676                         method: 'pkg-config', kwargs: static_kwargs)
677endif
678
679slirp = not_found
680if not get_option('slirp').auto() or have_system
681  slirp = dependency('slirp', required: get_option('slirp'),
682                     method: 'pkg-config', kwargs: static_kwargs)
683  # slirp < 4.7 is incompatible with CFI support in QEMU.  This is because
684  # it passes function pointers within libslirp as callbacks for timers.
685  # When using a system-wide shared libslirp, the type information for the
686  # callback is missing and the timer call produces a false positive with CFI.
687  # Do not use the "version" keyword argument to produce a better error.
688  # with control-flow integrity.
689  if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
690    if get_option('slirp').enabled()
691      error('Control-Flow Integrity requires libslirp 4.7.')
692    else
693      warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
694      slirp = not_found
695    endif
696  endif
697endif
698
699vde = not_found
700if not get_option('vde').auto() or have_system or have_tools
701  vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
702                           required: get_option('vde'),
703                           kwargs: static_kwargs)
704endif
705if vde.found() and not cc.links('''
706   #include <libvdeplug.h>
707   int main(void)
708   {
709     struct vde_open_args a = {0, 0, 0};
710     char s[] = "";
711     vde_open(s, s, &a);
712     return 0;
713   }''', dependencies: vde)
714  vde = not_found
715  if get_option('cap_ng').enabled()
716    error('could not link libvdeplug')
717  else
718    warning('could not link libvdeplug, disabling')
719  endif
720endif
721
722pulse = not_found
723if not get_option('pa').auto() or (targetos == 'linux' and have_system)
724  pulse = dependency('libpulse', required: get_option('pa'),
725                     method: 'pkg-config', kwargs: static_kwargs)
726endif
727alsa = not_found
728if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
729  alsa = dependency('alsa', required: get_option('alsa'),
730                    method: 'pkg-config', kwargs: static_kwargs)
731endif
732jack = not_found
733if not get_option('jack').auto() or have_system
734  jack = dependency('jack', required: get_option('jack'),
735                    method: 'pkg-config', kwargs: static_kwargs)
736endif
737sndio = not_found
738if not get_option('sndio').auto() or have_system
739  sndio = dependency('sndio', required: get_option('sndio'),
740                    method: 'pkg-config', kwargs: static_kwargs)
741endif
742
743spice_protocol = not_found
744if not get_option('spice_protocol').auto() or have_system
745  spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
746                              required: get_option('spice_protocol'),
747                              method: 'pkg-config', kwargs: static_kwargs)
748endif
749spice = not_found
750if not get_option('spice').auto() or have_system
751  spice = dependency('spice-server', version: '>=0.14.0',
752                     required: get_option('spice'),
753                     method: 'pkg-config', kwargs: static_kwargs)
754endif
755spice_headers = spice.partial_dependency(compile_args: true, includes: true)
756
757rt = cc.find_library('rt', required: false)
758
759libiscsi = not_found
760if not get_option('libiscsi').auto() or have_block
761  libiscsi = dependency('libiscsi', version: '>=1.9.0',
762                         required: get_option('libiscsi'),
763                         method: 'pkg-config', kwargs: static_kwargs)
764endif
765zstd = not_found
766if not get_option('zstd').auto() or have_block
767  zstd = dependency('libzstd', version: '>=1.4.0',
768                    required: get_option('zstd'),
769                    method: 'pkg-config', kwargs: static_kwargs)
770endif
771virgl = not_found
772
773have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
774if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
775  virgl = dependency('virglrenderer',
776                     method: 'pkg-config',
777                     required: get_option('virglrenderer'),
778                     kwargs: static_kwargs)
779endif
780blkio = not_found
781if not get_option('blkio').auto() or have_block
782  blkio = dependency('blkio',
783                     method: 'pkg-config',
784                     required: get_option('blkio'),
785                     kwargs: static_kwargs)
786endif
787curl = not_found
788if not get_option('curl').auto() or have_block
789  curl = dependency('libcurl', version: '>=7.29.0',
790                    method: 'pkg-config',
791                    required: get_option('curl'),
792                    kwargs: static_kwargs)
793endif
794libudev = not_found
795if targetos == 'linux' and (have_system or have_tools)
796  libudev = dependency('libudev',
797                       method: 'pkg-config',
798                       required: get_option('libudev'),
799                       kwargs: static_kwargs)
800endif
801
802mpathlibs = [libudev]
803mpathpersist = not_found
804mpathpersist_new_api = false
805if targetos == 'linux' and have_tools and get_option('mpath').allowed()
806  mpath_test_source_new = '''
807    #include <libudev.h>
808    #include <mpath_persist.h>
809    unsigned mpath_mx_alloc_len = 1024;
810    int logsink;
811    static struct config *multipath_conf;
812    extern struct udev *udev;
813    extern struct config *get_multipath_config(void);
814    extern void put_multipath_config(struct config *conf);
815    struct udev *udev;
816    struct config *get_multipath_config(void) { return multipath_conf; }
817    void put_multipath_config(struct config *conf) { }
818    int main(void) {
819        udev = udev_new();
820        multipath_conf = mpath_lib_init();
821        return 0;
822    }'''
823  mpath_test_source_old = '''
824      #include <libudev.h>
825      #include <mpath_persist.h>
826      unsigned mpath_mx_alloc_len = 1024;
827      int logsink;
828      int main(void) {
829          struct udev *udev = udev_new();
830          mpath_lib_init(udev);
831          return 0;
832      }'''
833  libmpathpersist = cc.find_library('mpathpersist',
834                                    required: get_option('mpath'),
835                                    kwargs: static_kwargs)
836  if libmpathpersist.found()
837    mpathlibs += libmpathpersist
838    if enable_static
839      mpathlibs += cc.find_library('devmapper',
840                                     required: get_option('mpath'),
841                                     kwargs: static_kwargs)
842    endif
843    mpathlibs += cc.find_library('multipath',
844                                 required: get_option('mpath'),
845                                 kwargs: static_kwargs)
846    foreach lib: mpathlibs
847      if not lib.found()
848        mpathlibs = []
849        break
850      endif
851    endforeach
852    if mpathlibs.length() == 0
853      msg = 'Dependencies missing for libmpathpersist'
854    elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
855      mpathpersist = declare_dependency(dependencies: mpathlibs)
856      mpathpersist_new_api = true
857    elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
858      mpathpersist = declare_dependency(dependencies: mpathlibs)
859    else
860      msg = 'Cannot detect libmpathpersist API'
861    endif
862    if not mpathpersist.found()
863      if get_option('mpath').enabled()
864        error(msg)
865      else
866        warning(msg + ', disabling')
867      endif
868    endif
869  endif
870endif
871
872iconv = not_found
873curses = not_found
874if have_system and get_option('curses').allowed()
875  curses_test = '''
876    #if defined(__APPLE__) || defined(__OpenBSD__)
877    #define _XOPEN_SOURCE_EXTENDED 1
878    #endif
879    #include <locale.h>
880    #include <curses.h>
881    #include <wchar.h>
882    int main(void) {
883      wchar_t wch = L'w';
884      setlocale(LC_ALL, "");
885      resize_term(0, 0);
886      addwstr(L"wide chars\n");
887      addnwstr(&wch, 1);
888      add_wch(WACS_DEGREE);
889      return 0;
890    }'''
891
892  curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
893  curses = dependency(curses_dep_list,
894                      required: false,
895                      method: 'pkg-config',
896                      kwargs: static_kwargs)
897  msg = get_option('curses').enabled() ? 'curses library not found' : ''
898  curses_compile_args = ['-DNCURSES_WIDECHAR=1']
899  if curses.found()
900    if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
901      curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
902    else
903      msg = 'curses package not usable'
904      curses = not_found
905    endif
906  endif
907  if not curses.found()
908    has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
909    if targetos != 'windows' and not has_curses_h
910      message('Trying with /usr/include/ncursesw')
911      curses_compile_args += ['-I/usr/include/ncursesw']
912      has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
913    endif
914    if has_curses_h
915      curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
916      foreach curses_libname : curses_libname_list
917        libcurses = cc.find_library(curses_libname,
918                                    required: false,
919                                    kwargs: static_kwargs)
920        if libcurses.found()
921          if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
922            curses = declare_dependency(compile_args: curses_compile_args,
923                                        dependencies: [libcurses])
924            break
925          else
926            msg = 'curses library not usable'
927          endif
928        endif
929      endforeach
930    endif
931  endif
932  if get_option('iconv').allowed()
933    foreach link_args : [ ['-liconv'], [] ]
934      # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
935      # We need to use libiconv if available because mixing libiconv's headers with
936      # the system libc does not work.
937      # However, without adding glib to the dependencies -L/usr/local/lib will not be
938      # included in the command line and libiconv will not be found.
939      if cc.links('''
940        #include <iconv.h>
941        int main(void) {
942          iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
943          return conv != (iconv_t) -1;
944        }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
945        iconv = declare_dependency(link_args: link_args, dependencies: glib)
946        break
947      endif
948    endforeach
949  endif
950  if curses.found() and not iconv.found()
951    if get_option('iconv').enabled()
952      error('iconv not available')
953    endif
954    msg = 'iconv required for curses UI but not available'
955    curses = not_found
956  endif
957  if not curses.found() and msg != ''
958    if get_option('curses').enabled()
959      error(msg)
960    else
961      warning(msg + ', disabling')
962    endif
963  endif
964endif
965
966brlapi = not_found
967if not get_option('brlapi').auto() or have_system
968  brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
969                         required: get_option('brlapi'),
970                         kwargs: static_kwargs)
971  if brlapi.found() and not cc.links('''
972     #include <brlapi.h>
973     #include <stddef.h>
974     int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
975    brlapi = not_found
976    if get_option('brlapi').enabled()
977      error('could not link brlapi')
978    else
979      warning('could not link brlapi, disabling')
980    endif
981  endif
982endif
983
984sdl = not_found
985if not get_option('sdl').auto() or have_system
986  sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
987  sdl_image = not_found
988endif
989if sdl.found()
990  # work around 2.0.8 bug
991  sdl = declare_dependency(compile_args: '-Wno-undef',
992                           dependencies: sdl)
993  sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
994                         method: 'pkg-config', kwargs: static_kwargs)
995else
996  if get_option('sdl_image').enabled()
997    error('sdl-image required, but SDL was @0@'.format(
998          get_option('sdl').disabled() ? 'disabled' : 'not found'))
999  endif
1000  sdl_image = not_found
1001endif
1002
1003rbd = not_found
1004if not get_option('rbd').auto() or have_block
1005  librados = cc.find_library('rados', required: get_option('rbd'),
1006                             kwargs: static_kwargs)
1007  librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1008                           required: get_option('rbd'),
1009                           kwargs: static_kwargs)
1010  if librados.found() and librbd.found()
1011    if cc.links('''
1012      #include <stdio.h>
1013      #include <rbd/librbd.h>
1014      int main(void) {
1015        rados_t cluster;
1016        rados_create(&cluster, NULL);
1017        #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1018        #error
1019        #endif
1020        return 0;
1021      }''', dependencies: [librbd, librados])
1022      rbd = declare_dependency(dependencies: [librbd, librados])
1023    elif get_option('rbd').enabled()
1024      error('librbd >= 1.12.0 required')
1025    else
1026      warning('librbd >= 1.12.0 not found, disabling')
1027    endif
1028  endif
1029endif
1030
1031glusterfs = not_found
1032glusterfs_ftruncate_has_stat = false
1033glusterfs_iocb_has_stat = false
1034if not get_option('glusterfs').auto() or have_block
1035  glusterfs = dependency('glusterfs-api', version: '>=3',
1036                         required: get_option('glusterfs'),
1037                         method: 'pkg-config', kwargs: static_kwargs)
1038  if glusterfs.found()
1039    glusterfs_ftruncate_has_stat = cc.links('''
1040      #include <glusterfs/api/glfs.h>
1041
1042      int
1043      main(void)
1044      {
1045          /* new glfs_ftruncate() passes two additional args */
1046          return glfs_ftruncate(NULL, 0, NULL, NULL);
1047      }
1048    ''', dependencies: glusterfs)
1049    glusterfs_iocb_has_stat = cc.links('''
1050      #include <glusterfs/api/glfs.h>
1051
1052      /* new glfs_io_cbk() passes two additional glfs_stat structs */
1053      static void
1054      glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1055      {}
1056
1057      int
1058      main(void)
1059      {
1060          glfs_io_cbk iocb = &glusterfs_iocb;
1061          iocb(NULL, 0 , NULL, NULL, NULL);
1062          return 0;
1063      }
1064    ''', dependencies: glusterfs)
1065  endif
1066endif
1067
1068libssh = not_found
1069if not get_option('libssh').auto() or have_block
1070  libssh = dependency('libssh', version: '>=0.8.7',
1071                    method: 'pkg-config',
1072                    required: get_option('libssh'),
1073                    kwargs: static_kwargs)
1074endif
1075
1076libbzip2 = not_found
1077if not get_option('bzip2').auto() or have_block
1078  libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1079                             required: get_option('bzip2'),
1080                             kwargs: static_kwargs)
1081  if libbzip2.found() and not cc.links('''
1082     #include <bzlib.h>
1083     int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1084    libbzip2 = not_found
1085    if get_option('bzip2').enabled()
1086      error('could not link libbzip2')
1087    else
1088      warning('could not link libbzip2, disabling')
1089    endif
1090  endif
1091endif
1092
1093liblzfse = not_found
1094if not get_option('lzfse').auto() or have_block
1095  liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1096                             required: get_option('lzfse'),
1097                             kwargs: static_kwargs)
1098endif
1099if liblzfse.found() and not cc.links('''
1100   #include <lzfse.h>
1101   int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1102  liblzfse = not_found
1103  if get_option('lzfse').enabled()
1104    error('could not link liblzfse')
1105  else
1106    warning('could not link liblzfse, disabling')
1107  endif
1108endif
1109
1110oss = not_found
1111if get_option('oss').allowed() and have_system
1112  if not cc.has_header('sys/soundcard.h')
1113    # not found
1114  elif targetos == 'netbsd'
1115    oss = cc.find_library('ossaudio', required: get_option('oss'),
1116                          kwargs: static_kwargs)
1117  else
1118    oss = declare_dependency()
1119  endif
1120
1121  if not oss.found()
1122    if get_option('oss').enabled()
1123      error('OSS not found')
1124    endif
1125  endif
1126endif
1127dsound = not_found
1128if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1129  if cc.has_header('dsound.h')
1130    dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1131  endif
1132
1133  if not dsound.found()
1134    if get_option('dsound').enabled()
1135      error('DirectSound not found')
1136    endif
1137  endif
1138endif
1139
1140coreaudio = not_found
1141if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1142  coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1143                         required: get_option('coreaudio'))
1144endif
1145
1146opengl = not_found
1147if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1148  epoxy = dependency('epoxy', method: 'pkg-config',
1149                      required: get_option('opengl'), kwargs: static_kwargs)
1150  if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1151    opengl = epoxy
1152  elif get_option('opengl').enabled()
1153    error('epoxy/egl.h not found')
1154  endif
1155endif
1156gbm = not_found
1157if (have_system or have_tools) and (virgl.found() or opengl.found())
1158  gbm = dependency('gbm', method: 'pkg-config', required: false,
1159                   kwargs: static_kwargs)
1160endif
1161have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1162
1163gnutls = not_found
1164gnutls_crypto = not_found
1165if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1166  # For general TLS support our min gnutls matches
1167  # that implied by our platform support matrix
1168  #
1169  # For the crypto backends, we look for a newer
1170  # gnutls:
1171  #
1172  #   Version 3.6.8  is needed to get XTS
1173  #   Version 3.6.13 is needed to get PBKDF
1174  #   Version 3.6.14 is needed to get HW accelerated XTS
1175  #
1176  # If newer enough gnutls isn't available, we can
1177  # still use a different crypto backend to satisfy
1178  # the platform support requirements
1179  gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1180                             method: 'pkg-config',
1181                             required: false,
1182                             kwargs: static_kwargs)
1183  if gnutls_crypto.found()
1184    gnutls = gnutls_crypto
1185  else
1186    # Our min version if all we need is TLS
1187    gnutls = dependency('gnutls', version: '>=3.5.18',
1188                        method: 'pkg-config',
1189                        required: get_option('gnutls'),
1190                        kwargs: static_kwargs)
1191  endif
1192endif
1193
1194# We prefer use of gnutls for crypto, unless the options
1195# explicitly asked for nettle or gcrypt.
1196#
1197# If gnutls isn't available for crypto, then we'll prefer
1198# gcrypt over nettle for performance reasons.
1199gcrypt = not_found
1200nettle = not_found
1201hogweed = not_found
1202xts = 'none'
1203
1204if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1205  error('Only one of gcrypt & nettle can be enabled')
1206endif
1207
1208# Explicit nettle/gcrypt request, so ignore gnutls for crypto
1209if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1210  gnutls_crypto = not_found
1211endif
1212
1213if not gnutls_crypto.found()
1214  if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1215    gcrypt = dependency('libgcrypt', version: '>=1.8',
1216                        method: 'config-tool',
1217                        required: get_option('gcrypt'),
1218                        kwargs: static_kwargs)
1219    # Debian has removed -lgpg-error from libgcrypt-config
1220    # as it "spreads unnecessary dependencies" which in
1221    # turn breaks static builds...
1222    if gcrypt.found() and enable_static
1223      gcrypt = declare_dependency(dependencies: [
1224        gcrypt,
1225        cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1226    endif
1227  endif
1228  if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1229    nettle = dependency('nettle', version: '>=3.4',
1230                        method: 'pkg-config',
1231                        required: get_option('nettle'),
1232                        kwargs: static_kwargs)
1233    if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1234      xts = 'private'
1235    endif
1236  endif
1237endif
1238
1239gmp = dependency('gmp', required: false, method: 'pkg-config', kwargs: static_kwargs)
1240if nettle.found() and gmp.found()
1241  hogweed = dependency('hogweed', version: '>=3.4',
1242                       method: 'pkg-config',
1243                       required: get_option('nettle'),
1244                       kwargs: static_kwargs)
1245endif
1246
1247
1248gtk = not_found
1249gtkx11 = not_found
1250vte = not_found
1251have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1252
1253if not get_option('gtk').auto() or have_system
1254  gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1255                   method: 'pkg-config',
1256                   required: get_option('gtk'),
1257                   kwargs: static_kwargs)
1258  if gtk.found()
1259    gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1260                        method: 'pkg-config',
1261                        required: false,
1262                        kwargs: static_kwargs)
1263    gtk = declare_dependency(dependencies: [gtk, gtkx11])
1264
1265    if not get_option('vte').auto() or have_system
1266      vte = dependency('vte-2.91',
1267                       method: 'pkg-config',
1268                       required: get_option('vte'),
1269                       kwargs: static_kwargs)
1270    endif
1271  elif have_gtk_clipboard
1272    error('GTK clipboard requested, but GTK not found')
1273  endif
1274endif
1275
1276x11 = not_found
1277if gtkx11.found()
1278  x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1279                   kwargs: static_kwargs)
1280endif
1281png = not_found
1282if get_option('png').allowed() and have_system
1283   png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1284                    method: 'pkg-config', kwargs: static_kwargs)
1285endif
1286vnc = not_found
1287jpeg = not_found
1288sasl = not_found
1289if get_option('vnc').allowed() and have_system
1290  vnc = declare_dependency() # dummy dependency
1291  jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1292                    method: 'pkg-config', kwargs: static_kwargs)
1293  sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1294                         required: get_option('vnc_sasl'),
1295                         kwargs: static_kwargs)
1296  if sasl.found()
1297    sasl = declare_dependency(dependencies: sasl,
1298                              compile_args: '-DSTRUCT_IOVEC_DEFINED')
1299  endif
1300endif
1301
1302pam = not_found
1303if not get_option('auth_pam').auto() or have_system
1304  pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1305                        required: get_option('auth_pam'),
1306                        kwargs: static_kwargs)
1307endif
1308if pam.found() and not cc.links('''
1309   #include <stddef.h>
1310   #include <security/pam_appl.h>
1311   int main(void) {
1312     const char *service_name = "qemu";
1313     const char *user = "frank";
1314     const struct pam_conv pam_conv = { 0 };
1315     pam_handle_t *pamh = NULL;
1316     pam_start(service_name, user, &pam_conv, &pamh);
1317     return 0;
1318   }''', dependencies: pam)
1319  pam = not_found
1320  if get_option('auth_pam').enabled()
1321    error('could not link libpam')
1322  else
1323    warning('could not link libpam, disabling')
1324  endif
1325endif
1326
1327snappy = not_found
1328if not get_option('snappy').auto() or have_system
1329  snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1330                           required: get_option('snappy'),
1331                           kwargs: static_kwargs)
1332endif
1333if snappy.found() and not linker.links('''
1334   #include <snappy-c.h>
1335   int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1336  snappy = not_found
1337  if get_option('snappy').enabled()
1338    error('could not link libsnappy')
1339  else
1340    warning('could not link libsnappy, disabling')
1341  endif
1342endif
1343
1344lzo = not_found
1345if not get_option('lzo').auto() or have_system
1346  lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1347                        required: get_option('lzo'),
1348                        kwargs: static_kwargs)
1349endif
1350if lzo.found() and not cc.links('''
1351   #include <lzo/lzo1x.h>
1352   int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1353  lzo = not_found
1354  if get_option('lzo').enabled()
1355    error('could not link liblzo2')
1356  else
1357    warning('could not link liblzo2, disabling')
1358  endif
1359endif
1360
1361numa = not_found
1362if not get_option('numa').auto() or have_system or have_tools
1363  numa = cc.find_library('numa', has_headers: ['numa.h'],
1364                              required: get_option('numa'),
1365                              kwargs: static_kwargs)
1366endif
1367if numa.found() and not cc.links('''
1368   #include <numa.h>
1369   int main(void) { return numa_available(); }
1370   ''', dependencies: numa)
1371  numa = not_found
1372  if get_option('numa').enabled()
1373    error('could not link numa')
1374  else
1375    warning('could not link numa, disabling')
1376  endif
1377endif
1378
1379rdma = not_found
1380if not get_option('rdma').auto() or have_system
1381  libumad = cc.find_library('ibumad', required: get_option('rdma'))
1382  rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1383                               required: get_option('rdma'),
1384                               kwargs: static_kwargs),
1385               cc.find_library('ibverbs', required: get_option('rdma'),
1386                               kwargs: static_kwargs),
1387               libumad]
1388  rdma = declare_dependency(dependencies: rdma_libs)
1389  foreach lib: rdma_libs
1390    if not lib.found()
1391      rdma = not_found
1392    endif
1393  endforeach
1394endif
1395
1396xen = not_found
1397if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1398  xencontrol = dependency('xencontrol', required: false,
1399                          method: 'pkg-config', kwargs: static_kwargs)
1400  if xencontrol.found()
1401    xen_pc = declare_dependency(version: xencontrol.version(),
1402      dependencies: [
1403        xencontrol,
1404        # disabler: true makes xen_pc.found() return false if any is not found
1405        dependency('xenstore', required: false,
1406                   method: 'pkg-config', kwargs: static_kwargs,
1407                   disabler: true),
1408        dependency('xenforeignmemory', required: false,
1409                   method: 'pkg-config', kwargs: static_kwargs,
1410                   disabler: true),
1411        dependency('xengnttab', required: false,
1412                   method: 'pkg-config', kwargs: static_kwargs,
1413                   disabler: true),
1414        dependency('xenevtchn', required: false,
1415                   method: 'pkg-config', kwargs: static_kwargs,
1416                   disabler: true),
1417        dependency('xendevicemodel', required: false,
1418                   method: 'pkg-config', kwargs: static_kwargs,
1419                   disabler: true),
1420        # optional, no "disabler: true"
1421        dependency('xentoolcore', required: false,
1422                   method: 'pkg-config', kwargs: static_kwargs)])
1423    if xen_pc.found()
1424      xen = xen_pc
1425    endif
1426  endif
1427  if not xen.found()
1428    xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1', '4.6.0', '4.5.0', '4.2.0' ]
1429    xen_libs = {
1430      '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1431      '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1432      '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1433      '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1434      '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1435      '4.6.0': [ 'xenstore', 'xenctrl' ],
1436      '4.5.0': [ 'xenstore', 'xenctrl' ],
1437      '4.2.0': [ 'xenstore', 'xenctrl' ],
1438    }
1439    xen_deps = {}
1440    foreach ver: xen_tests
1441      # cache the various library tests to avoid polluting the logs
1442      xen_test_deps = []
1443      foreach l: xen_libs[ver]
1444        if l not in xen_deps
1445          xen_deps += { l: cc.find_library(l, required: false) }
1446        endif
1447        xen_test_deps += xen_deps[l]
1448      endforeach
1449
1450      # Use -D to pick just one of the test programs in scripts/xen-detect.c
1451      xen_version = ver.split('.')
1452      xen_ctrl_version = xen_version[0] + \
1453        ('0' + xen_version[1]).substring(-2) + \
1454        ('0' + xen_version[2]).substring(-2)
1455      if cc.links(files('scripts/xen-detect.c'),
1456                  args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1457                  dependencies: xen_test_deps)
1458        xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1459        break
1460      endif
1461    endforeach
1462  endif
1463  if xen.found()
1464    accelerators += 'CONFIG_XEN'
1465  elif get_option('xen').enabled()
1466    error('could not compile and link Xen test program')
1467  endif
1468endif
1469have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1470  .require(xen.found(),
1471           error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1472  .require(targetos == 'linux',
1473           error_message: 'Xen PCI passthrough not available on this platform') \
1474  .allowed()
1475
1476
1477cacard = not_found
1478if not get_option('smartcard').auto() or have_system
1479  cacard = dependency('libcacard', required: get_option('smartcard'),
1480                      version: '>=2.5.1', method: 'pkg-config',
1481                      kwargs: static_kwargs)
1482endif
1483u2f = not_found
1484if have_system
1485  u2f = dependency('u2f-emu', required: get_option('u2f'),
1486                   method: 'pkg-config',
1487                   kwargs: static_kwargs)
1488endif
1489canokey = not_found
1490if have_system
1491  canokey = dependency('canokey-qemu', required: get_option('canokey'),
1492                   method: 'pkg-config',
1493                   kwargs: static_kwargs)
1494endif
1495usbredir = not_found
1496if not get_option('usb_redir').auto() or have_system
1497  usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1498                        version: '>=0.6', method: 'pkg-config',
1499                        kwargs: static_kwargs)
1500endif
1501libusb = not_found
1502if not get_option('libusb').auto() or have_system
1503  libusb = dependency('libusb-1.0', required: get_option('libusb'),
1504                      version: '>=1.0.13', method: 'pkg-config',
1505                      kwargs: static_kwargs)
1506endif
1507
1508libpmem = not_found
1509if not get_option('libpmem').auto() or have_system
1510  libpmem = dependency('libpmem', required: get_option('libpmem'),
1511                       method: 'pkg-config', kwargs: static_kwargs)
1512endif
1513libdaxctl = not_found
1514if not get_option('libdaxctl').auto() or have_system
1515  libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1516                         version: '>=57', method: 'pkg-config',
1517                         kwargs: static_kwargs)
1518endif
1519tasn1 = not_found
1520if gnutls.found()
1521  tasn1 = dependency('libtasn1',
1522                     method: 'pkg-config',
1523                     kwargs: static_kwargs)
1524endif
1525keyutils = dependency('libkeyutils', required: false,
1526                      method: 'pkg-config', kwargs: static_kwargs)
1527
1528has_gettid = cc.has_function('gettid')
1529
1530# libselinux
1531selinux = dependency('libselinux',
1532                     required: get_option('selinux'),
1533                     method: 'pkg-config', kwargs: static_kwargs)
1534
1535# Malloc tests
1536
1537malloc = []
1538if get_option('malloc') == 'system'
1539  has_malloc_trim = \
1540    get_option('malloc_trim').allowed() and \
1541    cc.links('''#include <malloc.h>
1542                int main(void) { malloc_trim(0); return 0; }''')
1543else
1544  has_malloc_trim = false
1545  malloc = cc.find_library(get_option('malloc'), required: true)
1546endif
1547if not has_malloc_trim and get_option('malloc_trim').enabled()
1548  if get_option('malloc') == 'system'
1549    error('malloc_trim not available on this platform.')
1550  else
1551    error('malloc_trim not available with non-libc memory allocator')
1552  endif
1553endif
1554
1555# Check whether the glibc provides statx()
1556
1557gnu_source_prefix = '''
1558  #ifndef _GNU_SOURCE
1559  #define _GNU_SOURCE
1560  #endif
1561'''
1562statx_test = gnu_source_prefix + '''
1563  #include <sys/stat.h>
1564  int main(void) {
1565    struct statx statxbuf;
1566    statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1567    return 0;
1568  }'''
1569
1570has_statx = cc.links(statx_test)
1571
1572# Check whether statx() provides mount ID information
1573
1574statx_mnt_id_test = gnu_source_prefix + '''
1575  #include <sys/stat.h>
1576  int main(void) {
1577    struct statx statxbuf;
1578    statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1579    return statxbuf.stx_mnt_id;
1580  }'''
1581
1582has_statx_mnt_id = cc.links(statx_mnt_id_test)
1583
1584have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1585  .require(targetos == 'linux',
1586           error_message: 'vhost_user_blk_server requires linux') \
1587  .require(have_vhost_user,
1588           error_message: 'vhost_user_blk_server requires vhost-user support') \
1589  .disable_auto_if(not have_tools and not have_system) \
1590  .allowed()
1591
1592if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1593  error('Cannot enable fuse-lseek while fuse is disabled')
1594endif
1595
1596fuse = dependency('fuse3', required: get_option('fuse'),
1597                  version: '>=3.1', method: 'pkg-config',
1598                  kwargs: static_kwargs)
1599
1600fuse_lseek = not_found
1601if get_option('fuse_lseek').allowed()
1602  if fuse.version().version_compare('>=3.8')
1603    # Dummy dependency
1604    fuse_lseek = declare_dependency()
1605  elif get_option('fuse_lseek').enabled()
1606    if fuse.found()
1607      error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1608    else
1609      error('fuse-lseek requires libfuse, which was not found')
1610    endif
1611  endif
1612endif
1613
1614have_libvduse = (targetos == 'linux')
1615if get_option('libvduse').enabled()
1616    if targetos != 'linux'
1617        error('libvduse requires linux')
1618    endif
1619elif get_option('libvduse').disabled()
1620    have_libvduse = false
1621endif
1622
1623have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1624if get_option('vduse_blk_export').enabled()
1625    if targetos != 'linux'
1626        error('vduse_blk_export requires linux')
1627    elif not have_libvduse
1628        error('vduse_blk_export requires libvduse support')
1629    endif
1630elif get_option('vduse_blk_export').disabled()
1631    have_vduse_blk_export = false
1632endif
1633
1634# libbpf
1635libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1636if libbpf.found() and not cc.links('''
1637   #include <bpf/libbpf.h>
1638   int main(void)
1639   {
1640     bpf_object__destroy_skeleton(NULL);
1641     return 0;
1642   }''', dependencies: libbpf)
1643  libbpf = not_found
1644  if get_option('bpf').enabled()
1645    error('libbpf skeleton test failed')
1646  else
1647    warning('libbpf skeleton test failed, disabling')
1648  endif
1649endif
1650
1651# libdw
1652libdw = dependency('libdw',
1653                   method: 'pkg-config',
1654                   kwargs: static_kwargs,
1655                   required: false)
1656
1657#################
1658# config-host.h #
1659#################
1660
1661audio_drivers_selected = []
1662if have_system
1663  audio_drivers_available = {
1664    'alsa': alsa.found(),
1665    'coreaudio': coreaudio.found(),
1666    'dsound': dsound.found(),
1667    'jack': jack.found(),
1668    'oss': oss.found(),
1669    'pa': pulse.found(),
1670    'sdl': sdl.found(),
1671    'sndio': sndio.found(),
1672  }
1673  foreach k, v: audio_drivers_available
1674    config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1675  endforeach
1676
1677  # Default to native drivers first, OSS second, SDL third
1678  audio_drivers_priority = \
1679    [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1680    (targetos == 'linux' ? [] : [ 'sdl' ])
1681  audio_drivers_default = []
1682  foreach k: audio_drivers_priority
1683    if audio_drivers_available[k]
1684      audio_drivers_default += k
1685    endif
1686  endforeach
1687
1688  foreach k: get_option('audio_drv_list')
1689    if k == 'default'
1690      audio_drivers_selected += audio_drivers_default
1691    elif not audio_drivers_available[k]
1692      error('Audio driver "@0@" not available.'.format(k))
1693    else
1694      audio_drivers_selected += k
1695    endif
1696  endforeach
1697endif
1698config_host_data.set('CONFIG_AUDIO_DRIVERS',
1699                     '"' + '", "'.join(audio_drivers_selected) + '", ')
1700
1701if get_option('cfi')
1702  cfi_flags=[]
1703  # Check for dependency on LTO
1704  if not get_option('b_lto')
1705    error('Selected Control-Flow Integrity but LTO is disabled')
1706  endif
1707  if config_host.has_key('CONFIG_MODULES')
1708    error('Selected Control-Flow Integrity is not compatible with modules')
1709  endif
1710  # Check for cfi flags. CFI requires LTO so we can't use
1711  # get_supported_arguments, but need a more complex "compiles" which allows
1712  # custom arguments
1713  if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1714                 args: ['-flto', '-fsanitize=cfi-icall'] )
1715    cfi_flags += '-fsanitize=cfi-icall'
1716  else
1717    error('-fsanitize=cfi-icall is not supported by the compiler')
1718  endif
1719  if cc.compiles('int main () { return 0; }',
1720                 name: '-fsanitize-cfi-icall-generalize-pointers',
1721                 args: ['-flto', '-fsanitize=cfi-icall',
1722                        '-fsanitize-cfi-icall-generalize-pointers'] )
1723    cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1724  else
1725    error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1726  endif
1727  if get_option('cfi_debug')
1728    if cc.compiles('int main () { return 0; }',
1729                   name: '-fno-sanitize-trap=cfi-icall',
1730                   args: ['-flto', '-fsanitize=cfi-icall',
1731                          '-fno-sanitize-trap=cfi-icall'] )
1732      cfi_flags += '-fno-sanitize-trap=cfi-icall'
1733    else
1734      error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1735    endif
1736  endif
1737  add_global_arguments(cfi_flags, native: false, language: all_languages)
1738  add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1739endif
1740
1741have_host_block_device = (targetos != 'darwin' or
1742    cc.has_header('IOKit/storage/IOMedia.h'))
1743
1744dbus_display = get_option('dbus_display') \
1745  .require(gio.version().version_compare('>=2.64'),
1746           error_message: '-display dbus requires glib>=2.64') \
1747  .require(gdbus_codegen.found(),
1748           error_message: gdbus_codegen_error.format('-display dbus')) \
1749  .require(opengl.found() and gbm.found(),
1750           error_message: '-display dbus requires epoxy/egl and gbm') \
1751  .allowed()
1752
1753have_virtfs = get_option('virtfs') \
1754    .require(targetos == 'linux' or targetos == 'darwin',
1755             error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1756    .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1757             error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1758    .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1759             error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1760    .disable_auto_if(not have_tools and not have_system) \
1761    .allowed()
1762
1763have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1764
1765if get_option('block_drv_ro_whitelist') == ''
1766  config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1767else
1768  config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1769        '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1770endif
1771if get_option('block_drv_rw_whitelist') == ''
1772  config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1773else
1774  config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1775        '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1776endif
1777
1778foreach k : get_option('trace_backends')
1779  config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1780endforeach
1781config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1782config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1783if iasl.found()
1784  config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1785endif
1786config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1787config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1788config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1789config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1790config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1791
1792qemu_firmwarepath = ''
1793foreach k : get_option('qemu_firmwarepath')
1794  qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
1795endforeach
1796config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
1797
1798config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1799config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1800config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1801config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1802config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1803config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1804
1805if config_host.has_key('CONFIG_MODULES')
1806  config_host_data.set('CONFIG_STAMP', run_command(
1807      meson.current_source_dir() / 'scripts/qemu-stamp.py',
1808      meson.project_version(), get_option('pkgversion'), '--',
1809      meson.current_source_dir() / 'configure',
1810      capture: true, check: true).stdout().strip())
1811endif
1812
1813have_slirp_smbd = get_option('slirp_smbd') \
1814  .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1815  .allowed()
1816if have_slirp_smbd
1817  smbd_path = get_option('smbd')
1818  if smbd_path == ''
1819    smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1820  endif
1821  config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1822endif
1823
1824config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1825
1826if get_option('module_upgrades') and not enable_modules
1827  error('Cannot enable module-upgrades as modules are not enabled')
1828endif
1829config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1830
1831config_host_data.set('CONFIG_ATTR', libattr.found())
1832config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1833config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1834config_host_data.set('CONFIG_COCOA', cocoa.found())
1835config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1836config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1837config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1838config_host_data.set('CONFIG_LZO', lzo.found())
1839config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1840config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1841config_host_data.set('CONFIG_BLKIO', blkio.found())
1842config_host_data.set('CONFIG_CURL', curl.found())
1843config_host_data.set('CONFIG_CURSES', curses.found())
1844config_host_data.set('CONFIG_GBM', gbm.found())
1845config_host_data.set('CONFIG_GIO', gio.found())
1846config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1847if glusterfs.found()
1848  config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1849  config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1850  config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1851  config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1852  config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1853  config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1854endif
1855config_host_data.set('CONFIG_GTK', gtk.found())
1856config_host_data.set('CONFIG_VTE', vte.found())
1857config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
1858config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1859config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1860config_host_data.set('CONFIG_EBPF', libbpf.found())
1861config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1862config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1863config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1864config_host_data.set('CONFIG_LIBSSH', libssh.found())
1865config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1866config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1867config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1868config_host_data.set('CONFIG_NUMA', numa.found())
1869if numa.found()
1870  config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
1871                       cc.has_function('numa_has_preferred_many',
1872                                       dependencies: numa))
1873endif
1874config_host_data.set('CONFIG_OPENGL', opengl.found())
1875config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1876config_host_data.set('CONFIG_RBD', rbd.found())
1877config_host_data.set('CONFIG_RDMA', rdma.found())
1878config_host_data.set('CONFIG_SDL', sdl.found())
1879config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1880config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1881if seccomp.found()
1882  config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
1883endif
1884config_host_data.set('CONFIG_SNAPPY', snappy.found())
1885config_host_data.set('CONFIG_TPM', have_tpm)
1886config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1887config_host_data.set('CONFIG_VDE', vde.found())
1888config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1889config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1890config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1891config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1892config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1893config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1894config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1895config_host_data.set('CONFIG_VMNET', vmnet.found())
1896config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1897config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
1898config_host_data.set('CONFIG_PNG', png.found())
1899config_host_data.set('CONFIG_VNC', vnc.found())
1900config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1901config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1902config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1903config_host_data.set('CONFIG_VTE', vte.found())
1904config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1905config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1906config_host_data.set('CONFIG_GETTID', has_gettid)
1907config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1908config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1909config_host_data.set('CONFIG_TASN1', tasn1.found())
1910config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1911config_host_data.set('CONFIG_NETTLE', nettle.found())
1912config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1913config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1914config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1915config_host_data.set('CONFIG_STATX', has_statx)
1916config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1917config_host_data.set('CONFIG_ZSTD', zstd.found())
1918config_host_data.set('CONFIG_FUSE', fuse.found())
1919config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1920config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1921if spice_protocol.found()
1922config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1923config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1924config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1925endif
1926config_host_data.set('CONFIG_SPICE', spice.found())
1927config_host_data.set('CONFIG_X11', x11.found())
1928config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1929config_host_data.set('CONFIG_CFI', get_option('cfi'))
1930config_host_data.set('CONFIG_SELINUX', selinux.found())
1931config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1932config_host_data.set('CONFIG_LIBDW', libdw.found())
1933if xen.found()
1934  # protect from xen.version() having less than three components
1935  xen_version = xen.version().split('.') + ['0', '0']
1936  xen_ctrl_version = xen_version[0] + \
1937    ('0' + xen_version[1]).substring(-2) + \
1938    ('0' + xen_version[2]).substring(-2)
1939  config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1940endif
1941config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1942config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1943config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1944config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1945
1946config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1947config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1948
1949have_coroutine_pool = get_option('coroutine_pool')
1950if get_option('debug_stack_usage') and have_coroutine_pool
1951  message('Disabling coroutine pool to measure stack usage')
1952  have_coroutine_pool = false
1953endif
1954config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1955config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1956config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1957config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1958config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1959config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1960config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
1961
1962# has_header
1963config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1964config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1965config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1966config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1967config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1968config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1969config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1970config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1971config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1972if targetos == 'windows'
1973  config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
1974endif
1975
1976# has_function
1977config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
1978config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1979config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1980config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1981config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1982config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1983# Note that we need to specify prefix: here to avoid incorrectly
1984# thinking that Windows has posix_memalign()
1985config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1986config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1987config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1988config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1989config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1990config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1991config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1992config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1993config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1994config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1995config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1996config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1997config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1998config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1999config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2000config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2001config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2002if rbd.found()
2003  config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2004                       cc.has_function('rbd_namespace_exists',
2005                                       dependencies: rbd,
2006                                       prefix: '#include <rbd/librbd.h>'))
2007endif
2008if rdma.found()
2009  config_host_data.set('HAVE_IBV_ADVISE_MR',
2010                       cc.has_function('ibv_advise_mr',
2011                                       dependencies: rdma,
2012                                       prefix: '#include <infiniband/verbs.h>'))
2013endif
2014
2015# has_header_symbol
2016config_host_data.set('CONFIG_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
2354have_pvrdma = get_option('pvrdma') \
2355  .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2356  .require(cc.compiles(gnu_source_prefix + '''
2357    #include <sys/mman.h>
2358    int main(void)
2359    {
2360      char buf = 0;
2361      void *addr = &buf;
2362      addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2363
2364      return 0;
2365    }'''), error_message: 'PVRDMA requires mremap').allowed()
2366
2367if have_pvrdma
2368  config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2369    #include <infiniband/verbs.h>
2370    int main(void)
2371    {
2372      struct ibv_mr *mr;
2373      struct ibv_pd *pd = NULL;
2374      size_t length = 10;
2375      uint64_t iova = 0;
2376      int access = 0;
2377      void *addr = NULL;
2378
2379      mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2380      ibv_dereg_mr(mr);
2381      return 0;
2382    }'''))
2383endif
2384
2385if get_option('membarrier').disabled()
2386  have_membarrier = false
2387elif targetos == 'windows'
2388  have_membarrier = true
2389elif targetos == 'linux'
2390  have_membarrier = cc.compiles('''
2391    #include <linux/membarrier.h>
2392    #include <sys/syscall.h>
2393    #include <unistd.h>
2394    #include <stdlib.h>
2395    int main(void) {
2396        syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2397        syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2398        exit(0);
2399    }''')
2400endif
2401config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2402  .require(have_membarrier, error_message: 'membarrier system call not available') \
2403  .allowed())
2404
2405have_afalg = get_option('crypto_afalg') \
2406  .require(cc.compiles(gnu_source_prefix + '''
2407    #include <errno.h>
2408    #include <sys/types.h>
2409    #include <sys/socket.h>
2410    #include <linux/if_alg.h>
2411    int main(void) {
2412      int sock;
2413      sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2414      return sock;
2415    }
2416  '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2417config_host_data.set('CONFIG_AF_ALG', have_afalg)
2418
2419config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2420  'linux/vm_sockets.h', 'AF_VSOCK',
2421  prefix: '#include <sys/socket.h>',
2422))
2423
2424have_vss = false
2425have_vss_sdk = false # old xp/2003 SDK
2426if targetos == 'windows' and link_language == 'cpp'
2427  have_vss = cxx.compiles('''
2428    #define __MIDL_user_allocate_free_DEFINED__
2429    #include <vss.h>
2430    int main(void) { return VSS_CTX_BACKUP; }''')
2431  have_vss_sdk = cxx.has_header('vscoordint.h')
2432endif
2433config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2434
2435foreach k, v: config_host
2436  if k.startswith('CONFIG_')
2437    config_host_data.set(k, v == 'y' ? 1 : v)
2438  endif
2439endforeach
2440
2441# Older versions of MinGW do not import _lock_file and _unlock_file properly.
2442# This was fixed for v6.0.0 with commit b48e3ac8969d.
2443if targetos == 'windows'
2444  config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2445    #include <stdio.h>
2446    int main(void) {
2447      _lock_file(NULL);
2448      _unlock_file(NULL);
2449      return 0;
2450    }''', name: '_lock_file and _unlock_file'))
2451endif
2452
2453########################
2454# Target configuration #
2455########################
2456
2457minikconf = find_program('scripts/minikconf.py')
2458config_all = {}
2459config_all_devices = {}
2460config_all_disas = {}
2461config_devices_mak_list = []
2462config_devices_h = {}
2463config_target_h = {}
2464config_target_mak = {}
2465
2466disassemblers = {
2467  'alpha' : ['CONFIG_ALPHA_DIS'],
2468  'avr' : ['CONFIG_AVR_DIS'],
2469  'cris' : ['CONFIG_CRIS_DIS'],
2470  'hexagon' : ['CONFIG_HEXAGON_DIS'],
2471  'hppa' : ['CONFIG_HPPA_DIS'],
2472  'i386' : ['CONFIG_I386_DIS'],
2473  'x86_64' : ['CONFIG_I386_DIS'],
2474  'm68k' : ['CONFIG_M68K_DIS'],
2475  'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2476  'mips' : ['CONFIG_MIPS_DIS'],
2477  'nios2' : ['CONFIG_NIOS2_DIS'],
2478  'or1k' : ['CONFIG_OPENRISC_DIS'],
2479  'ppc' : ['CONFIG_PPC_DIS'],
2480  'riscv' : ['CONFIG_RISCV_DIS'],
2481  'rx' : ['CONFIG_RX_DIS'],
2482  's390' : ['CONFIG_S390_DIS'],
2483  'sh4' : ['CONFIG_SH4_DIS'],
2484  'sparc' : ['CONFIG_SPARC_DIS'],
2485  'xtensa' : ['CONFIG_XTENSA_DIS'],
2486  'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2487}
2488
2489have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2490host_kconfig = \
2491  (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2492  (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2493  (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2494  (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2495  (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2496  (x11.found() ? ['CONFIG_X11=y'] : []) + \
2497  (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2498  (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2499  (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2500  (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2501  ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2502  (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2503  (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2504  (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2505
2506ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2507
2508default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2509actual_target_dirs = []
2510fdt_required = []
2511foreach target : target_dirs
2512  config_target = { 'TARGET_NAME': target.split('-')[0] }
2513  if target.endswith('linux-user')
2514    if targetos != 'linux'
2515      if default_targets
2516        continue
2517      endif
2518      error('Target @0@ is only available on a Linux host'.format(target))
2519    endif
2520    config_target += { 'CONFIG_LINUX_USER': 'y' }
2521  elif target.endswith('bsd-user')
2522    if 'CONFIG_BSD' not in config_host
2523      if default_targets
2524        continue
2525      endif
2526      error('Target @0@ is only available on a BSD host'.format(target))
2527    endif
2528    config_target += { 'CONFIG_BSD_USER': 'y' }
2529  elif target.endswith('softmmu')
2530    config_target += { 'CONFIG_SOFTMMU': 'y' }
2531  endif
2532  if target.endswith('-user')
2533    config_target += {
2534      'CONFIG_USER_ONLY': 'y',
2535      'CONFIG_QEMU_INTERP_PREFIX':
2536        get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2537    }
2538  endif
2539
2540  accel_kconfig = []
2541  foreach sym: accelerators
2542    if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2543      config_target += { sym: 'y' }
2544      config_all += { sym: 'y' }
2545      if target in modular_tcg
2546        config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2547      else
2548        config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2549      endif
2550      accel_kconfig += [ sym + '=y' ]
2551    endif
2552  endforeach
2553  if accel_kconfig.length() == 0
2554    if default_targets
2555      continue
2556    endif
2557    error('No accelerator available for target @0@'.format(target))
2558  endif
2559
2560  actual_target_dirs += target
2561  config_target += keyval.load('configs/targets' / target + '.mak')
2562  config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2563
2564  if 'TARGET_NEED_FDT' in config_target
2565    fdt_required += target
2566  endif
2567
2568  # Add default keys
2569  if 'TARGET_BASE_ARCH' not in config_target
2570    config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2571  endif
2572  if 'TARGET_ABI_DIR' not in config_target
2573    config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2574  endif
2575  if 'TARGET_BIG_ENDIAN' not in config_target
2576    config_target += {'TARGET_BIG_ENDIAN': 'n'}
2577  endif
2578
2579  foreach k, v: disassemblers
2580    if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2581      foreach sym: v
2582        config_target += { sym: 'y' }
2583        config_all_disas += { sym: 'y' }
2584      endforeach
2585    endif
2586  endforeach
2587
2588  config_target_data = configuration_data()
2589  foreach k, v: config_target
2590    if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2591      # do nothing
2592    elif ignored.contains(k)
2593      # do nothing
2594    elif k == 'TARGET_BASE_ARCH'
2595      # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2596      # not used to select files from sourcesets.
2597      config_target_data.set('TARGET_' + v.to_upper(), 1)
2598    elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2599      config_target_data.set_quoted(k, v)
2600    elif v == 'y'
2601      config_target_data.set(k, 1)
2602    elif v == 'n'
2603      config_target_data.set(k, 0)
2604    else
2605      config_target_data.set(k, v)
2606    endif
2607  endforeach
2608  config_target_data.set('QEMU_ARCH',
2609                         'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2610  config_target_h += {target: configure_file(output: target + '-config-target.h',
2611                                               configuration: config_target_data)}
2612
2613  if target.endswith('-softmmu')
2614    config_input = meson.get_external_property(target, 'default')
2615    config_devices_mak = target + '-config-devices.mak'
2616    config_devices_mak = configure_file(
2617      input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2618      output: config_devices_mak,
2619      depfile: config_devices_mak + '.d',
2620      capture: true,
2621      command: [minikconf,
2622                get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2623                config_devices_mak, '@DEPFILE@', '@INPUT@',
2624                host_kconfig, accel_kconfig,
2625                'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2626
2627    config_devices_data = configuration_data()
2628    config_devices = keyval.load(config_devices_mak)
2629    foreach k, v: config_devices
2630      config_devices_data.set(k, 1)
2631    endforeach
2632    config_devices_mak_list += config_devices_mak
2633    config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2634                                                configuration: config_devices_data)}
2635    config_target += config_devices
2636    config_all_devices += config_devices
2637  endif
2638  config_target_mak += {target: config_target}
2639endforeach
2640target_dirs = actual_target_dirs
2641
2642# This configuration is used to build files that are shared by
2643# multiple binaries, and then extracted out of the "common"
2644# static_library target.
2645#
2646# We do not use all_sources()/all_dependencies(), because it would
2647# build literally all source files, including devices only used by
2648# targets that are not built for this compilation.  The CONFIG_ALL
2649# pseudo symbol replaces it.
2650
2651config_all += config_all_devices
2652config_all += config_host
2653config_all += config_all_disas
2654config_all += {
2655  'CONFIG_XEN': xen.found(),
2656  'CONFIG_SOFTMMU': have_system,
2657  'CONFIG_USER_ONLY': have_user,
2658  'CONFIG_ALL': true,
2659}
2660
2661target_configs_h = []
2662foreach target: target_dirs
2663  target_configs_h += config_target_h[target]
2664  target_configs_h += config_devices_h.get(target, [])
2665endforeach
2666genh += custom_target('config-poison.h',
2667                      input: [target_configs_h],
2668                      output: 'config-poison.h',
2669                      capture: true,
2670                      command: [find_program('scripts/make-config-poison.sh'),
2671                                target_configs_h])
2672
2673##############
2674# Submodules #
2675##############
2676
2677capstone = not_found
2678if not get_option('capstone').auto() or have_system or have_user
2679  capstone = dependency('capstone', version: '>=3.0.5',
2680                        kwargs: static_kwargs, method: 'pkg-config',
2681                        required: get_option('capstone'))
2682
2683  # Some versions of capstone have broken pkg-config file
2684  # that reports a wrong -I path, causing the #include to
2685  # fail later. If the system has such a broken version
2686  # do not use it.
2687  if capstone.found() and not cc.compiles('#include <capstone.h>',
2688                                          dependencies: [capstone])
2689    capstone = not_found
2690    if get_option('capstone').enabled()
2691      error('capstone requested, but it does not appear to work')
2692    endif
2693  endif
2694endif
2695
2696libvfio_user_dep = not_found
2697if have_system and vfio_user_server_allowed
2698  have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2699
2700  if not have_internal
2701    error('libvfio-user source not found - please pull git submodule')
2702  endif
2703
2704  libvfio_user_proj = subproject('libvfio-user')
2705
2706  libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2707
2708  libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2709endif
2710
2711fdt = not_found
2712if have_system
2713  fdt_opt = get_option('fdt')
2714  if fdt_opt in ['enabled', 'auto', 'system']
2715    have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2716    fdt = cc.find_library('fdt', kwargs: static_kwargs,
2717                          required: fdt_opt == 'system' or
2718                                    fdt_opt == 'enabled' and not have_internal)
2719    if fdt.found() and cc.links('''
2720       #include <libfdt.h>
2721       #include <libfdt_env.h>
2722       int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2723         dependencies: fdt)
2724      fdt_opt = 'system'
2725    elif fdt_opt == 'system'
2726       error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2727    elif have_internal
2728      fdt_opt = 'internal'
2729    else
2730      fdt_opt = 'disabled'
2731      fdt = not_found
2732    endif
2733  endif
2734  if fdt_opt == 'internal'
2735    fdt_files = files(
2736      'dtc/libfdt/fdt.c',
2737      'dtc/libfdt/fdt_ro.c',
2738      'dtc/libfdt/fdt_wip.c',
2739      'dtc/libfdt/fdt_sw.c',
2740      'dtc/libfdt/fdt_rw.c',
2741      'dtc/libfdt/fdt_strerror.c',
2742      'dtc/libfdt/fdt_empty_tree.c',
2743      'dtc/libfdt/fdt_addresses.c',
2744      'dtc/libfdt/fdt_overlay.c',
2745      'dtc/libfdt/fdt_check.c',
2746    )
2747
2748    fdt_inc = include_directories('dtc/libfdt')
2749    libfdt = static_library('fdt',
2750                            build_by_default: false,
2751                            sources: fdt_files,
2752                            include_directories: fdt_inc)
2753    fdt = declare_dependency(link_with: libfdt,
2754                             include_directories: fdt_inc)
2755  endif
2756else
2757  fdt_opt = 'disabled'
2758endif
2759if not fdt.found() and fdt_required.length() > 0
2760  error('fdt not available but required by targets ' + ', '.join(fdt_required))
2761endif
2762
2763config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2764config_host_data.set('CONFIG_FDT', fdt.found())
2765config_host_data.set('CONFIG_SLIRP', slirp.found())
2766
2767#####################
2768# Generated sources #
2769#####################
2770
2771genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2772
2773hxtool = find_program('scripts/hxtool')
2774shaderinclude = find_program('scripts/shaderinclude.py')
2775qapi_gen = find_program('scripts/qapi-gen.py')
2776qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2777                     meson.current_source_dir() / 'scripts/qapi/commands.py',
2778                     meson.current_source_dir() / 'scripts/qapi/common.py',
2779                     meson.current_source_dir() / 'scripts/qapi/error.py',
2780                     meson.current_source_dir() / 'scripts/qapi/events.py',
2781                     meson.current_source_dir() / 'scripts/qapi/expr.py',
2782                     meson.current_source_dir() / 'scripts/qapi/gen.py',
2783                     meson.current_source_dir() / 'scripts/qapi/introspect.py',
2784                     meson.current_source_dir() / 'scripts/qapi/parser.py',
2785                     meson.current_source_dir() / 'scripts/qapi/schema.py',
2786                     meson.current_source_dir() / 'scripts/qapi/source.py',
2787                     meson.current_source_dir() / 'scripts/qapi/types.py',
2788                     meson.current_source_dir() / 'scripts/qapi/visit.py',
2789                     meson.current_source_dir() / 'scripts/qapi/common.py',
2790                     meson.current_source_dir() / 'scripts/qapi-gen.py'
2791]
2792
2793tracetool = [
2794  python, files('scripts/tracetool.py'),
2795   '--backend=' + ','.join(get_option('trace_backends'))
2796]
2797tracetool_depends = files(
2798  'scripts/tracetool/backend/log.py',
2799  'scripts/tracetool/backend/__init__.py',
2800  'scripts/tracetool/backend/dtrace.py',
2801  'scripts/tracetool/backend/ftrace.py',
2802  'scripts/tracetool/backend/simple.py',
2803  'scripts/tracetool/backend/syslog.py',
2804  'scripts/tracetool/backend/ust.py',
2805  'scripts/tracetool/format/ust_events_c.py',
2806  'scripts/tracetool/format/ust_events_h.py',
2807  'scripts/tracetool/format/__init__.py',
2808  'scripts/tracetool/format/d.py',
2809  'scripts/tracetool/format/simpletrace_stap.py',
2810  'scripts/tracetool/format/c.py',
2811  'scripts/tracetool/format/h.py',
2812  'scripts/tracetool/format/log_stap.py',
2813  'scripts/tracetool/format/stap.py',
2814  'scripts/tracetool/__init__.py',
2815  'scripts/tracetool/transform.py',
2816  'scripts/tracetool/vcpu.py'
2817)
2818
2819qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2820                    meson.current_source_dir(),
2821                    get_option('pkgversion'), meson.project_version()]
2822qemu_version = custom_target('qemu-version.h',
2823                             output: 'qemu-version.h',
2824                             command: qemu_version_cmd,
2825                             capture: true,
2826                             build_by_default: true,
2827                             build_always_stale: true)
2828genh += qemu_version
2829
2830hxdep = []
2831hx_headers = [
2832  ['qemu-options.hx', 'qemu-options.def'],
2833  ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2834]
2835if have_system
2836  hx_headers += [
2837    ['hmp-commands.hx', 'hmp-commands.h'],
2838    ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2839  ]
2840endif
2841foreach d : hx_headers
2842  hxdep += custom_target(d[1],
2843                input: files(d[0]),
2844                output: d[1],
2845                capture: true,
2846                build_by_default: true, # to be removed when added to a target
2847                command: [hxtool, '-h', '@INPUT0@'])
2848endforeach
2849genh += hxdep
2850
2851###################
2852# Collect sources #
2853###################
2854
2855authz_ss = ss.source_set()
2856blockdev_ss = ss.source_set()
2857block_ss = ss.source_set()
2858chardev_ss = ss.source_set()
2859common_ss = ss.source_set()
2860crypto_ss = ss.source_set()
2861hwcore_ss = ss.source_set()
2862io_ss = ss.source_set()
2863qmp_ss = ss.source_set()
2864qom_ss = ss.source_set()
2865softmmu_ss = ss.source_set()
2866specific_fuzz_ss = ss.source_set()
2867specific_ss = ss.source_set()
2868stub_ss = ss.source_set()
2869trace_ss = ss.source_set()
2870user_ss = ss.source_set()
2871util_ss = ss.source_set()
2872
2873# accel modules
2874qtest_module_ss = ss.source_set()
2875tcg_module_ss = ss.source_set()
2876
2877modules = {}
2878target_modules = {}
2879hw_arch = {}
2880target_arch = {}
2881target_softmmu_arch = {}
2882target_user_arch = {}
2883
2884###############
2885# Trace files #
2886###############
2887
2888# TODO: add each directory to the subdirs from its own meson.build, once
2889# we have those
2890trace_events_subdirs = [
2891  'crypto',
2892  'qapi',
2893  'qom',
2894  'monitor',
2895  'util',
2896  'gdbstub',
2897]
2898if have_linux_user
2899  trace_events_subdirs += [ 'linux-user' ]
2900endif
2901if have_bsd_user
2902  trace_events_subdirs += [ 'bsd-user' ]
2903endif
2904if have_block
2905  trace_events_subdirs += [
2906    'authz',
2907    'block',
2908    'io',
2909    'nbd',
2910    'scsi',
2911  ]
2912endif
2913if have_system
2914  trace_events_subdirs += [
2915    'accel/kvm',
2916    'audio',
2917    'backends',
2918    'backends/tpm',
2919    'chardev',
2920    'ebpf',
2921    'hw/9pfs',
2922    'hw/acpi',
2923    'hw/adc',
2924    'hw/alpha',
2925    'hw/arm',
2926    'hw/audio',
2927    'hw/block',
2928    'hw/block/dataplane',
2929    'hw/char',
2930    'hw/display',
2931    'hw/dma',
2932    'hw/hyperv',
2933    'hw/i2c',
2934    'hw/i386',
2935    'hw/i386/xen',
2936    'hw/ide',
2937    'hw/input',
2938    'hw/intc',
2939    'hw/isa',
2940    'hw/mem',
2941    'hw/mips',
2942    'hw/misc',
2943    'hw/misc/macio',
2944    'hw/net',
2945    'hw/net/can',
2946    'hw/nubus',
2947    'hw/nvme',
2948    'hw/nvram',
2949    'hw/pci',
2950    'hw/pci-host',
2951    'hw/ppc',
2952    'hw/rdma',
2953    'hw/rdma/vmw',
2954    'hw/rtc',
2955    'hw/s390x',
2956    'hw/scsi',
2957    'hw/sd',
2958    'hw/sh4',
2959    'hw/sparc',
2960    'hw/sparc64',
2961    'hw/ssi',
2962    'hw/timer',
2963    'hw/tpm',
2964    'hw/usb',
2965    'hw/vfio',
2966    'hw/virtio',
2967    'hw/watchdog',
2968    'hw/xen',
2969    'hw/gpio',
2970    'migration',
2971    'net',
2972    'softmmu',
2973    'ui',
2974    'hw/remote',
2975  ]
2976endif
2977if have_system or have_user
2978  trace_events_subdirs += [
2979    'accel/tcg',
2980    'hw/core',
2981    'target/arm',
2982    'target/arm/hvf',
2983    'target/hppa',
2984    'target/i386',
2985    'target/i386/kvm',
2986    'target/mips/tcg',
2987    'target/nios2',
2988    'target/ppc',
2989    'target/riscv',
2990    'target/s390x',
2991    'target/s390x/kvm',
2992    'target/sparc',
2993  ]
2994endif
2995
2996vhost_user = not_found
2997if targetos == 'linux' and have_vhost_user
2998  libvhost_user = subproject('libvhost-user')
2999  vhost_user = libvhost_user.get_variable('vhost_user_dep')
3000endif
3001
3002libvduse = not_found
3003if have_libvduse
3004  libvduse_proj = subproject('libvduse')
3005  libvduse = libvduse_proj.get_variable('libvduse_dep')
3006endif
3007
3008# NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3009# that is filled in by qapi/.
3010subdir('qapi')
3011subdir('qobject')
3012subdir('stubs')
3013subdir('trace')
3014subdir('util')
3015subdir('qom')
3016subdir('authz')
3017subdir('crypto')
3018subdir('ui')
3019subdir('hw')
3020subdir('gdbstub')
3021
3022
3023if enable_modules
3024  libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3025  modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3026endif
3027
3028qom_ss = qom_ss.apply(config_host, strict: false)
3029libqom = static_library('qom', qom_ss.sources() + genh,
3030                        dependencies: [qom_ss.dependencies()],
3031                        name_suffix: 'fa')
3032qom = declare_dependency(link_whole: libqom)
3033
3034event_loop_base = files('event-loop-base.c')
3035event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3036                                 build_by_default: true)
3037event_loop_base = declare_dependency(link_whole: event_loop_base,
3038                                     dependencies: [qom])
3039
3040stub_ss = stub_ss.apply(config_all, strict: false)
3041
3042util_ss.add_all(trace_ss)
3043util_ss = util_ss.apply(config_all, strict: false)
3044libqemuutil = static_library('qemuutil',
3045                             sources: util_ss.sources() + stub_ss.sources() + genh,
3046                             dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3047qemuutil = declare_dependency(link_with: libqemuutil,
3048                              sources: genh + version_res,
3049                              dependencies: [event_loop_base])
3050
3051if have_system or have_user
3052  decodetree = generator(find_program('scripts/decodetree.py'),
3053                         output: 'decode-@BASENAME@.c.inc',
3054                         arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3055  subdir('libdecnumber')
3056  subdir('target')
3057endif
3058
3059subdir('audio')
3060subdir('io')
3061subdir('chardev')
3062subdir('fsdev')
3063subdir('dump')
3064
3065if have_block
3066  block_ss.add(files(
3067    'block.c',
3068    'blockjob.c',
3069    'job.c',
3070    'qemu-io-cmds.c',
3071  ))
3072  if config_host_data.get('CONFIG_REPLICATION')
3073    block_ss.add(files('replication.c'))
3074  endif
3075
3076  subdir('nbd')
3077  subdir('scsi')
3078  subdir('block')
3079
3080  blockdev_ss.add(files(
3081    'blockdev.c',
3082    'blockdev-nbd.c',
3083    'iothread.c',
3084    'job-qmp.c',
3085  ), gnutls)
3086
3087  # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3088  # os-win32.c does not
3089  blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3090  softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3091endif
3092
3093common_ss.add(files('cpus-common.c'))
3094
3095subdir('softmmu')
3096
3097common_ss.add(capstone)
3098specific_ss.add(files('cpu.c', 'disas.c'), capstone)
3099
3100# Work around a gcc bug/misfeature wherein constant propagation looks
3101# through an alias:
3102#   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3103# to guess that a const variable is always zero.  Without lto, this is
3104# impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3105# without lto, not even the alias is required -- we simply use different
3106# declarations in different compilation units.
3107pagevary = files('page-vary-common.c')
3108if get_option('b_lto')
3109  pagevary_flags = ['-fno-lto']
3110  if get_option('cfi')
3111    pagevary_flags += '-fno-sanitize=cfi-icall'
3112  endif
3113  pagevary = static_library('page-vary-common', sources: pagevary + genh,
3114                            c_args: pagevary_flags)
3115  pagevary = declare_dependency(link_with: pagevary)
3116endif
3117common_ss.add(pagevary)
3118specific_ss.add(files('page-vary.c'))
3119
3120subdir('backends')
3121subdir('disas')
3122subdir('migration')
3123subdir('monitor')
3124subdir('net')
3125subdir('replay')
3126subdir('semihosting')
3127subdir('stats')
3128subdir('tcg')
3129subdir('fpu')
3130subdir('accel')
3131subdir('plugins')
3132subdir('ebpf')
3133
3134common_user_inc = []
3135
3136subdir('common-user')
3137subdir('bsd-user')
3138subdir('linux-user')
3139
3140# needed for fuzzing binaries
3141subdir('tests/qtest/libqos')
3142subdir('tests/qtest/fuzz')
3143
3144# accel modules
3145tcg_real_module_ss = ss.source_set()
3146tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3147specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3148target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3149                                'tcg': tcg_real_module_ss }}
3150
3151########################
3152# Library dependencies #
3153########################
3154
3155modinfo_collect = find_program('scripts/modinfo-collect.py')
3156modinfo_generate = find_program('scripts/modinfo-generate.py')
3157modinfo_files = []
3158
3159block_mods = []
3160softmmu_mods = []
3161foreach d, list : modules
3162  foreach m, module_ss : list
3163    if enable_modules and targetos != 'windows'
3164      module_ss = module_ss.apply(config_all, strict: false)
3165      sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3166                          dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3167      if d == 'block'
3168        block_mods += sl
3169      else
3170        softmmu_mods += sl
3171      endif
3172      if module_ss.sources() != []
3173        # FIXME: Should use sl.extract_all_objects(recursive: true) as
3174        # input. Sources can be used multiple times but objects are
3175        # unique when it comes to lookup in compile_commands.json.
3176        # Depnds on a mesion version with
3177        # https://github.com/mesonbuild/meson/pull/8900
3178        modinfo_files += custom_target(d + '-' + m + '.modinfo',
3179                                       output: d + '-' + m + '.modinfo',
3180                                       input: module_ss.sources() + genh,
3181                                       capture: true,
3182                                       command: [modinfo_collect, module_ss.sources()])
3183      endif
3184    else
3185      if d == 'block'
3186        block_ss.add_all(module_ss)
3187      else
3188        softmmu_ss.add_all(module_ss)
3189      endif
3190    endif
3191  endforeach
3192endforeach
3193
3194foreach d, list : target_modules
3195  foreach m, module_ss : list
3196    if enable_modules and targetos != 'windows'
3197      foreach target : target_dirs
3198        if target.endswith('-softmmu')
3199          config_target = config_target_mak[target]
3200          config_target += config_host
3201          target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3202          c_args = ['-DNEED_CPU_H',
3203                    '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3204                    '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3205          target_module_ss = module_ss.apply(config_target, strict: false)
3206          if target_module_ss.sources() != []
3207            module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3208            sl = static_library(module_name,
3209                                [genh, target_module_ss.sources()],
3210                                dependencies: [modulecommon, target_module_ss.dependencies()],
3211                                include_directories: target_inc,
3212                                c_args: c_args,
3213                                pic: true)
3214            softmmu_mods += sl
3215            # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3216            modinfo_files += custom_target(module_name + '.modinfo',
3217                                           output: module_name + '.modinfo',
3218                                           input: target_module_ss.sources() + genh,
3219                                           capture: true,
3220                                           command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3221          endif
3222        endif
3223      endforeach
3224    else
3225      specific_ss.add_all(module_ss)
3226    endif
3227  endforeach
3228endforeach
3229
3230if enable_modules
3231  foreach target : target_dirs
3232    if target.endswith('-softmmu')
3233      config_target = config_target_mak[target]
3234      config_devices_mak = target + '-config-devices.mak'
3235      modinfo_src = custom_target('modinfo-' + target + '.c',
3236                                  output: 'modinfo-' + target + '.c',
3237                                  input: modinfo_files,
3238                                  command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3239                                  capture: true)
3240
3241      modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3242      modinfo_dep = declare_dependency(link_with: modinfo_lib)
3243
3244      arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3245      hw_arch[arch].add(modinfo_dep)
3246    endif
3247  endforeach
3248endif
3249
3250nm = find_program('nm')
3251undefsym = find_program('scripts/undefsym.py')
3252block_syms = custom_target('block.syms', output: 'block.syms',
3253                             input: [libqemuutil, block_mods],
3254                             capture: true,
3255                             command: [undefsym, nm, '@INPUT@'])
3256qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3257                             input: [libqemuutil, softmmu_mods],
3258                             capture: true,
3259                             command: [undefsym, nm, '@INPUT@'])
3260
3261authz_ss = authz_ss.apply(config_host, strict: false)
3262libauthz = static_library('authz', authz_ss.sources() + genh,
3263                          dependencies: [authz_ss.dependencies()],
3264                          name_suffix: 'fa',
3265                          build_by_default: false)
3266
3267authz = declare_dependency(link_whole: libauthz,
3268                           dependencies: qom)
3269
3270crypto_ss = crypto_ss.apply(config_host, strict: false)
3271libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3272                           dependencies: [crypto_ss.dependencies()],
3273                           name_suffix: 'fa',
3274                           build_by_default: false)
3275
3276crypto = declare_dependency(link_whole: libcrypto,
3277                            dependencies: [authz, qom])
3278
3279io_ss = io_ss.apply(config_host, strict: false)
3280libio = static_library('io', io_ss.sources() + genh,
3281                       dependencies: [io_ss.dependencies()],
3282                       link_with: libqemuutil,
3283                       name_suffix: 'fa',
3284                       build_by_default: false)
3285
3286io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3287
3288libmigration = static_library('migration', sources: migration_files + genh,
3289                              name_suffix: 'fa',
3290                              build_by_default: false)
3291migration = declare_dependency(link_with: libmigration,
3292                               dependencies: [zlib, qom, io])
3293softmmu_ss.add(migration)
3294
3295block_ss = block_ss.apply(config_host, strict: false)
3296libblock = static_library('block', block_ss.sources() + genh,
3297                          dependencies: block_ss.dependencies(),
3298                          link_depends: block_syms,
3299                          name_suffix: 'fa',
3300                          build_by_default: false)
3301
3302block = declare_dependency(link_whole: [libblock],
3303                           link_args: '@block.syms',
3304                           dependencies: [crypto, io])
3305
3306blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3307libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3308                             dependencies: blockdev_ss.dependencies(),
3309                             name_suffix: 'fa',
3310                             build_by_default: false)
3311
3312blockdev = declare_dependency(link_whole: [libblockdev],
3313                              dependencies: [block, event_loop_base])
3314
3315qmp_ss = qmp_ss.apply(config_host, strict: false)
3316libqmp = static_library('qmp', qmp_ss.sources() + genh,
3317                        dependencies: qmp_ss.dependencies(),
3318                        name_suffix: 'fa',
3319                        build_by_default: false)
3320
3321qmp = declare_dependency(link_whole: [libqmp])
3322
3323libchardev = static_library('chardev', chardev_ss.sources() + genh,
3324                            name_suffix: 'fa',
3325                            dependencies: chardev_ss.dependencies(),
3326                            build_by_default: false)
3327
3328chardev = declare_dependency(link_whole: libchardev)
3329
3330hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3331libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3332                           name_suffix: 'fa',
3333                           build_by_default: false)
3334hwcore = declare_dependency(link_whole: libhwcore)
3335common_ss.add(hwcore)
3336
3337###########
3338# Targets #
3339###########
3340
3341emulator_modules = []
3342foreach m : block_mods + softmmu_mods
3343  emulator_modules += shared_module(m.name(),
3344                build_by_default: true,
3345                name_prefix: '',
3346                link_whole: m,
3347                install: true,
3348                install_dir: qemu_moddir)
3349endforeach
3350if emulator_modules.length() > 0
3351  alias_target('modules', emulator_modules)
3352endif
3353
3354softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3355common_ss.add(qom, qemuutil)
3356
3357common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3358common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3359
3360common_all = common_ss.apply(config_all, strict: false)
3361common_all = static_library('common',
3362                            build_by_default: false,
3363                            sources: common_all.sources() + genh,
3364                            include_directories: common_user_inc,
3365                            implicit_include_directories: false,
3366                            dependencies: common_all.dependencies(),
3367                            name_suffix: 'fa')
3368
3369feature_to_c = find_program('scripts/feature_to_c.sh')
3370
3371if targetos == 'darwin'
3372  entitlement = find_program('scripts/entitlement.sh')
3373endif
3374
3375emulators = {}
3376foreach target : target_dirs
3377  config_target = config_target_mak[target]
3378  target_name = config_target['TARGET_NAME']
3379  target_base_arch = config_target['TARGET_BASE_ARCH']
3380  arch_srcs = [config_target_h[target]]
3381  arch_deps = []
3382  c_args = ['-DNEED_CPU_H',
3383            '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3384            '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3385  link_args = emulator_link_args
3386
3387  config_target += config_host
3388  target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3389  if targetos == 'linux'
3390    target_inc += include_directories('linux-headers', is_system: true)
3391  endif
3392  if target.endswith('-softmmu')
3393    target_type='system'
3394    t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3395    arch_srcs += t.sources()
3396    arch_deps += t.dependencies()
3397
3398    hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3399    hw = hw_arch[hw_dir].apply(config_target, strict: false)
3400    arch_srcs += hw.sources()
3401    arch_deps += hw.dependencies()
3402
3403    arch_srcs += config_devices_h[target]
3404    link_args += ['@block.syms', '@qemu.syms']
3405  else
3406    abi = config_target['TARGET_ABI_DIR']
3407    target_type='user'
3408    target_inc += common_user_inc
3409    if target_base_arch in target_user_arch
3410      t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3411      arch_srcs += t.sources()
3412      arch_deps += t.dependencies()
3413    endif
3414    if 'CONFIG_LINUX_USER' in config_target
3415      base_dir = 'linux-user'
3416    endif
3417    if 'CONFIG_BSD_USER' in config_target
3418      base_dir = 'bsd-user'
3419      target_inc += include_directories('bsd-user/' / targetos)
3420      target_inc += include_directories('bsd-user/host/' / host_arch)
3421      dir = base_dir / abi
3422      arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3423    endif
3424    target_inc += include_directories(
3425      base_dir,
3426      base_dir / abi,
3427    )
3428    if 'CONFIG_LINUX_USER' in config_target
3429      dir = base_dir / abi
3430      arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3431      if config_target.has_key('TARGET_SYSTBL_ABI')
3432        arch_srcs += \
3433          syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3434                                             extra_args : config_target['TARGET_SYSTBL_ABI'])
3435      endif
3436    endif
3437  endif
3438
3439  if 'TARGET_XML_FILES' in config_target
3440    gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3441                                output: target + '-gdbstub-xml.c',
3442                                input: files(config_target['TARGET_XML_FILES'].split()),
3443                                command: [feature_to_c, '@INPUT@'],
3444                                capture: true)
3445    arch_srcs += gdbstub_xml
3446  endif
3447
3448  t = target_arch[target_base_arch].apply(config_target, strict: false)
3449  arch_srcs += t.sources()
3450  arch_deps += t.dependencies()
3451
3452  target_common = common_ss.apply(config_target, strict: false)
3453  objects = common_all.extract_objects(target_common.sources())
3454  deps = target_common.dependencies()
3455
3456  target_specific = specific_ss.apply(config_target, strict: false)
3457  arch_srcs += target_specific.sources()
3458  arch_deps += target_specific.dependencies()
3459
3460  lib = static_library('qemu-' + target,
3461                 sources: arch_srcs + genh,
3462                 dependencies: arch_deps,
3463                 objects: objects,
3464                 include_directories: target_inc,
3465                 c_args: c_args,
3466                 build_by_default: false,
3467                 name_suffix: 'fa')
3468
3469  if target.endswith('-softmmu')
3470    execs = [{
3471      'name': 'qemu-system-' + target_name,
3472      'win_subsystem': 'console',
3473      'sources': files('softmmu/main.c'),
3474      'dependencies': []
3475    }]
3476    if targetos == 'windows' and (sdl.found() or gtk.found())
3477      execs += [{
3478        'name': 'qemu-system-' + target_name + 'w',
3479        'win_subsystem': 'windows',
3480        'sources': files('softmmu/main.c'),
3481        'dependencies': []
3482      }]
3483    endif
3484    if get_option('fuzzing')
3485      specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3486      execs += [{
3487        'name': 'qemu-fuzz-' + target_name,
3488        'win_subsystem': 'console',
3489        'sources': specific_fuzz.sources(),
3490        'dependencies': specific_fuzz.dependencies(),
3491      }]
3492    endif
3493  else
3494    execs = [{
3495      'name': 'qemu-' + target_name,
3496      'win_subsystem': 'console',
3497      'sources': [],
3498      'dependencies': []
3499    }]
3500  endif
3501  foreach exe: execs
3502    exe_name = exe['name']
3503    if targetos == 'darwin'
3504      exe_name += '-unsigned'
3505    endif
3506
3507    emulator = executable(exe_name, exe['sources'],
3508               install: true,
3509               c_args: c_args,
3510               dependencies: arch_deps + deps + exe['dependencies'],
3511               objects: lib.extract_all_objects(recursive: true),
3512               link_language: link_language,
3513               link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3514               link_args: link_args,
3515               win_subsystem: exe['win_subsystem'])
3516
3517    if targetos == 'darwin'
3518      icon = 'pc-bios/qemu.rsrc'
3519      build_input = [emulator, files(icon)]
3520      install_input = [
3521        get_option('bindir') / exe_name,
3522        meson.current_source_dir() / icon
3523      ]
3524      if 'CONFIG_HVF' in config_target
3525        entitlements = 'accel/hvf/entitlements.plist'
3526        build_input += files(entitlements)
3527        install_input += meson.current_source_dir() / entitlements
3528      endif
3529
3530      emulators += {exe['name'] : custom_target(exe['name'],
3531                   input: build_input,
3532                   output: exe['name'],
3533                   command: [entitlement, '@OUTPUT@', '@INPUT@'])
3534      }
3535
3536      meson.add_install_script(entitlement, '--install',
3537                               get_option('bindir') / exe['name'],
3538                               install_input)
3539    else
3540      emulators += {exe['name']: emulator}
3541    endif
3542
3543    if stap.found()
3544      foreach stp: [
3545        {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3546        {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3547        {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3548        {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3549      ]
3550        custom_target(exe['name'] + stp['ext'],
3551                      input: trace_events_all,
3552                      output: exe['name'] + stp['ext'],
3553                      install: stp['install'],
3554                      install_dir: get_option('datadir') / 'systemtap/tapset',
3555                      command: [
3556                        tracetool, '--group=all', '--format=' + stp['fmt'],
3557                        '--binary=' + stp['bin'],
3558                        '--target-name=' + target_name,
3559                        '--target-type=' + target_type,
3560                        '--probe-prefix=qemu.' + target_type + '.' + target_name,
3561                        '@INPUT@', '@OUTPUT@'
3562                      ],
3563                      depend_files: tracetool_depends)
3564      endforeach
3565    endif
3566  endforeach
3567endforeach
3568
3569# Other build targets
3570
3571if 'CONFIG_PLUGIN' in config_host
3572  install_headers('include/qemu/qemu-plugin.h')
3573endif
3574
3575subdir('qga')
3576
3577# Don't build qemu-keymap if xkbcommon is not explicitly enabled
3578# when we don't build tools or system
3579if xkbcommon.found()
3580  # used for the update-keymaps target, so include rules even if !have_tools
3581  qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3582                           dependencies: [qemuutil, xkbcommon], install: have_tools)
3583endif
3584
3585if have_tools
3586  qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3587             dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3588  qemu_io = executable('qemu-io', files('qemu-io.c'),
3589             dependencies: [block, qemuutil], install: true)
3590  qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3591               dependencies: [blockdev, qemuutil, gnutls, selinux],
3592               install: true)
3593
3594  subdir('storage-daemon')
3595  subdir('contrib/rdmacm-mux')
3596  subdir('contrib/elf2dmp')
3597
3598  executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3599             dependencies: qemuutil,
3600             install: true)
3601
3602  if have_vhost_user
3603    subdir('contrib/vhost-user-blk')
3604    subdir('contrib/vhost-user-gpu')
3605    subdir('contrib/vhost-user-input')
3606    subdir('contrib/vhost-user-scsi')
3607  endif
3608
3609  if targetos == 'linux'
3610    executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3611               dependencies: [qemuutil, libcap_ng],
3612               install: true,
3613               install_dir: get_option('libexecdir'))
3614
3615    executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3616               dependencies: [authz, crypto, io, qom, qemuutil,
3617                              libcap_ng, mpathpersist],
3618               install: true)
3619  endif
3620
3621  if have_ivshmem
3622    subdir('contrib/ivshmem-client')
3623    subdir('contrib/ivshmem-server')
3624  endif
3625endif
3626
3627subdir('scripts')
3628subdir('tools')
3629subdir('pc-bios')
3630subdir('docs')
3631subdir('tests')
3632if gtk.found()
3633  subdir('po')
3634endif
3635
3636if host_machine.system() == 'windows'
3637  nsis_cmd = [
3638    find_program('scripts/nsis.py'),
3639    '@OUTPUT@',
3640    get_option('prefix'),
3641    meson.current_source_dir(),
3642    config_host['GLIB_BINDIR'],
3643    host_machine.cpu(),
3644    '--',
3645    '-DDISPLAYVERSION=' + meson.project_version(),
3646  ]
3647  if build_docs
3648    nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3649  endif
3650  if gtk.found()
3651    nsis_cmd += '-DCONFIG_GTK=y'
3652  endif
3653
3654  nsis = custom_target('nsis',
3655                       output: 'qemu-setup-' + meson.project_version() + '.exe',
3656                       input: files('qemu.nsi'),
3657                       build_always_stale: true,
3658                       command: nsis_cmd + ['@INPUT@'])
3659  alias_target('installer', nsis)
3660endif
3661
3662#########################
3663# Configuration summary #
3664#########################
3665
3666# Directories
3667summary_info = {}
3668summary_info += {'Install prefix':    get_option('prefix')}
3669summary_info += {'BIOS directory':    qemu_datadir}
3670pathsep = targetos == 'windows' ? ';' : ':'
3671summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
3672summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3673summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3674summary_info += {'module directory':  qemu_moddir}
3675summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3676summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3677summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3678if targetos != 'windows'
3679  summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3680  summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3681else
3682  summary_info += {'local state directory': 'queried at runtime'}
3683endif
3684summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3685summary_info += {'Build directory':   meson.current_build_dir()}
3686summary_info += {'Source path':       meson.current_source_dir()}
3687summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3688summary(summary_info, bool_yn: true, section: 'Directories')
3689
3690# Host binaries
3691summary_info = {}
3692summary_info += {'git':               config_host['GIT']}
3693summary_info += {'make':              config_host['MAKE']}
3694summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3695summary_info += {'sphinx-build':      sphinx_build}
3696if config_host.has_key('HAVE_GDB_BIN')
3697  summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3698endif
3699summary_info += {'iasl':              iasl}
3700summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3701if targetos == 'windows' and have_ga
3702  summary_info += {'wixl':            wixl}
3703endif
3704if slirp.found() and have_system
3705  summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3706endif
3707summary(summary_info, bool_yn: true, section: 'Host binaries')
3708
3709# Configurable features
3710summary_info = {}
3711summary_info += {'Documentation':     build_docs}
3712summary_info += {'system-mode emulation': have_system}
3713summary_info += {'user-mode emulation': have_user}
3714summary_info += {'block layer':       have_block}
3715summary_info += {'Install blobs':     get_option('install_blobs')}
3716summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3717if config_host.has_key('CONFIG_MODULES')
3718  summary_info += {'alternative module path': get_option('module_upgrades')}
3719endif
3720summary_info += {'fuzzing support':   get_option('fuzzing')}
3721if have_system
3722  summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3723endif
3724summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3725if 'simple' in get_option('trace_backends')
3726  summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3727endif
3728summary_info += {'D-Bus display':     dbus_display}
3729summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3730summary_info += {'vhost-kernel support': have_vhost_kernel}
3731summary_info += {'vhost-net support': have_vhost_net}
3732summary_info += {'vhost-user support': have_vhost_user}
3733summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3734summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3735summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3736summary_info += {'build guest agent': have_ga}
3737summary(summary_info, bool_yn: true, section: 'Configurable features')
3738
3739# Compilation information
3740summary_info = {}
3741summary_info += {'host CPU':          cpu}
3742summary_info += {'host endianness':   build_machine.endian()}
3743summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3744summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3745if link_language == 'cpp'
3746  summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3747else
3748  summary_info += {'C++ compiler':      false}
3749endif
3750if targetos == 'darwin'
3751  summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3752endif
3753option_cflags = (get_option('debug') ? ['-g'] : [])
3754if get_option('optimization') != 'plain'
3755  option_cflags += ['-O' + get_option('optimization')]
3756endif
3757summary_info += {'CFLAGS':            ' '.join(get_option('c_args') + option_cflags)}
3758if link_language == 'cpp'
3759  summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args') + option_cflags)}
3760endif
3761if targetos == 'darwin'
3762  summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args') + option_cflags)}
3763endif
3764link_args = get_option(link_language + '_link_args')
3765if link_args.length() > 0
3766  summary_info += {'LDFLAGS':         ' '.join(link_args)}
3767endif
3768summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3769if 'cpp' in all_languages
3770  summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3771endif
3772if 'objc' in all_languages
3773  summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3774endif
3775summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3776summary_info += {'profiler':          get_option('profiler')}
3777summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3778summary_info += {'PIE':               get_option('b_pie')}
3779summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3780summary_info += {'malloc trim support': has_malloc_trim}
3781summary_info += {'membarrier':        have_membarrier}
3782summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3783summary_info += {'mutex debugging':   get_option('debug_mutex')}
3784summary_info += {'memory allocator':  get_option('malloc')}
3785summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3786summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3787summary_info += {'gprof enabled':     get_option('gprof')}
3788summary_info += {'gcov':              get_option('b_coverage')}
3789summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3790summary_info += {'CFI support':       get_option('cfi')}
3791if get_option('cfi')
3792  summary_info += {'CFI debug support': get_option('cfi_debug')}
3793endif
3794summary_info += {'strip binaries':    get_option('strip')}
3795summary_info += {'sparse':            sparse}
3796summary_info += {'mingw32 support':   targetos == 'windows'}
3797summary(summary_info, bool_yn: true, section: 'Compilation')
3798
3799# snarf the cross-compilation information for tests
3800summary_info = {}
3801have_cross = false
3802foreach target: target_dirs
3803  tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
3804  if fs.exists(tcg_mak)
3805    config_cross_tcg = keyval.load(tcg_mak)
3806    if 'CC' in config_cross_tcg
3807      summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3808      have_cross = true
3809    endif
3810  endif
3811endforeach
3812if have_cross
3813  summary(summary_info, bool_yn: true, section: 'Cross compilers')
3814endif
3815
3816# Targets and accelerators
3817summary_info = {}
3818if have_system
3819  summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3820  summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3821  summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3822  summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3823  summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3824  summary_info += {'Xen support':       xen.found()}
3825  if xen.found()
3826    summary_info += {'xen ctrl version':  xen.version()}
3827  endif
3828endif
3829summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3830if config_all.has_key('CONFIG_TCG')
3831  if get_option('tcg_interpreter')
3832    summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3833  else
3834    summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3835  endif
3836  summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3837  summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3838endif
3839summary_info += {'target list':       ' '.join(target_dirs)}
3840if have_system
3841  summary_info += {'default devices':   get_option('default_devices')}
3842  summary_info += {'out of process emulation': multiprocess_allowed}
3843  summary_info += {'vfio-user server': vfio_user_server_allowed}
3844endif
3845summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3846
3847# Block layer
3848summary_info = {}
3849summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3850summary_info += {'coroutine pool':    have_coroutine_pool}
3851if have_block
3852  summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3853  summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3854  summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3855  summary_info += {'VirtFS support':    have_virtfs}
3856  summary_info += {'build virtiofs daemon': have_virtiofsd}
3857  summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3858  summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3859  summary_info += {'bochs support':     get_option('bochs').allowed()}
3860  summary_info += {'cloop support':     get_option('cloop').allowed()}
3861  summary_info += {'dmg support':       get_option('dmg').allowed()}
3862  summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3863  summary_info += {'vdi support':       get_option('vdi').allowed()}
3864  summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3865  summary_info += {'qed support':       get_option('qed').allowed()}
3866  summary_info += {'parallels support': get_option('parallels').allowed()}
3867  summary_info += {'FUSE exports':      fuse}
3868  summary_info += {'VDUSE block exports': have_vduse_blk_export}
3869endif
3870summary(summary_info, bool_yn: true, section: 'Block layer support')
3871
3872# Crypto
3873summary_info = {}
3874summary_info += {'TLS priority':      get_option('tls_priority')}
3875summary_info += {'GNUTLS support':    gnutls}
3876if gnutls.found()
3877  summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3878endif
3879summary_info += {'libgcrypt':         gcrypt}
3880summary_info += {'nettle':            nettle}
3881if nettle.found()
3882   summary_info += {'  XTS':             xts != 'private'}
3883endif
3884summary_info += {'AF_ALG support':    have_afalg}
3885summary_info += {'rng-none':          get_option('rng_none')}
3886summary_info += {'Linux keyring':     have_keyring}
3887summary(summary_info, bool_yn: true, section: 'Crypto')
3888
3889# Libraries
3890summary_info = {}
3891if targetos == 'darwin'
3892  summary_info += {'Cocoa support':           cocoa}
3893  summary_info += {'vmnet.framework support': vmnet}
3894endif
3895summary_info += {'SDL support':       sdl}
3896summary_info += {'SDL image support': sdl_image}
3897summary_info += {'GTK support':       gtk}
3898summary_info += {'pixman':            pixman}
3899summary_info += {'VTE support':       vte}
3900summary_info += {'slirp support':     slirp}
3901summary_info += {'libtasn1':          tasn1}
3902summary_info += {'PAM':               pam}
3903summary_info += {'iconv support':     iconv}
3904summary_info += {'curses support':    curses}
3905summary_info += {'virgl support':     virgl}
3906summary_info += {'blkio support':     blkio}
3907summary_info += {'curl support':      curl}
3908summary_info += {'Multipath support': mpathpersist}
3909summary_info += {'PNG support':       png}
3910summary_info += {'VNC support':       vnc}
3911if vnc.found()
3912  summary_info += {'VNC SASL support':  sasl}
3913  summary_info += {'VNC JPEG support':  jpeg}
3914endif
3915if targetos not in ['darwin', 'haiku', 'windows']
3916  summary_info += {'OSS support':     oss}
3917  summary_info += {'sndio support':   sndio}
3918elif targetos == 'darwin'
3919  summary_info += {'CoreAudio support': coreaudio}
3920elif targetos == 'windows'
3921  summary_info += {'DirectSound support': dsound}
3922endif
3923if targetos == 'linux'
3924  summary_info += {'ALSA support':    alsa}
3925  summary_info += {'PulseAudio support': pulse}
3926endif
3927summary_info += {'JACK support':      jack}
3928summary_info += {'brlapi support':    brlapi}
3929summary_info += {'vde support':       vde}
3930summary_info += {'netmap support':    have_netmap}
3931summary_info += {'l2tpv3 support':    have_l2tpv3}
3932summary_info += {'Linux AIO support': libaio}
3933summary_info += {'Linux io_uring support': linux_io_uring}
3934summary_info += {'ATTR/XATTR support': libattr}
3935summary_info += {'RDMA support':      rdma}
3936summary_info += {'PVRDMA support':    have_pvrdma}
3937summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3938summary_info += {'libcap-ng support': libcap_ng}
3939summary_info += {'bpf support':       libbpf}
3940summary_info += {'spice protocol support': spice_protocol}
3941if spice_protocol.found()
3942  summary_info += {'  spice server support': spice}
3943endif
3944summary_info += {'rbd support':       rbd}
3945summary_info += {'smartcard support': cacard}
3946summary_info += {'U2F support':       u2f}
3947summary_info += {'libusb':            libusb}
3948summary_info += {'usb net redir':     usbredir}
3949summary_info += {'OpenGL support (epoxy)': opengl}
3950summary_info += {'GBM':               gbm}
3951summary_info += {'libiscsi support':  libiscsi}
3952summary_info += {'libnfs support':    libnfs}
3953if targetos == 'windows'
3954  if have_ga
3955    summary_info += {'QGA VSS support':   have_qga_vss}
3956  endif
3957endif
3958summary_info += {'seccomp support':   seccomp}
3959summary_info += {'GlusterFS support': glusterfs}
3960summary_info += {'TPM support':       have_tpm}
3961summary_info += {'libssh support':    libssh}
3962summary_info += {'lzo support':       lzo}
3963summary_info += {'snappy support':    snappy}
3964summary_info += {'bzip2 support':     libbzip2}
3965summary_info += {'lzfse support':     liblzfse}
3966summary_info += {'zstd support':      zstd}
3967summary_info += {'NUMA host support': numa}
3968summary_info += {'capstone':          capstone}
3969summary_info += {'libpmem support':   libpmem}
3970summary_info += {'libdaxctl support': libdaxctl}
3971summary_info += {'libudev':           libudev}
3972# Dummy dependency, keep .found()
3973summary_info += {'FUSE lseek':        fuse_lseek.found()}
3974summary_info += {'selinux':           selinux}
3975summary_info += {'libdw':             libdw}
3976summary(summary_info, bool_yn: true, section: 'Dependencies')
3977
3978if not supported_cpus.contains(cpu)
3979  message()
3980  warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3981  message()
3982  message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3983  message('The QEMU project intends to remove support for this host CPU in')
3984  message('a future release if nobody volunteers to maintain it and to')
3985  message('provide a build host for our continuous integration setup.')
3986  message('configure has succeeded and you can continue to build, but')
3987  message('if you care about QEMU on this platform you should contact')
3988  message('us upstream at qemu-devel@nongnu.org.')
3989endif
3990
3991if not supported_oses.contains(targetos)
3992  message()
3993  warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3994  message()
3995  message('Host OS ' + targetos + 'support is not currently maintained.')
3996  message('The QEMU project intends to remove support for this host OS in')
3997  message('a future release if nobody volunteers to maintain it and to')
3998  message('provide a build host for our continuous integration setup.')
3999  message('configure has succeeded and you can continue to build, but')
4000  message('if you care about QEMU on this platform you should contact')
4001  message('us upstream at qemu-devel@nongnu.org.')
4002endif
4003