xref: /openbmc/qemu/meson.build (revision 79854b95)
1project('qemu', ['c'], meson_version: '>=0.59.3',
2        default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
3                          'b_staticpic=false', 'stdsplit=false'],
4        version: files('VERSION'))
5
6add_test_setup('quick', exclude_suites: ['block', 'slow', 'thorough'], is_default: true)
7add_test_setup('slow', exclude_suites: ['block', 'thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
8add_test_setup('thorough', exclude_suites: ['block'], env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
9
10not_found = dependency('', required: false)
11keyval = import('keyval')
12ss = import('sourceset')
13fs = import('fs')
14
15sh = find_program('sh')
16cc = meson.get_compiler('c')
17config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
18enable_modules = 'CONFIG_MODULES' in config_host
19enable_static = 'CONFIG_STATIC' in config_host
20
21# Allow both shared and static libraries unless --enable-static
22static_kwargs = enable_static ? {'static': true} : {}
23
24# Temporary directory used for files created while
25# configure runs. Since it is in the build directory
26# we can safely blow away any previous version of it
27# (and we need not jump through hoops to try to delete
28# it when configure exits.)
29tmpdir = meson.current_build_dir() / 'meson-private/temp'
30
31if get_option('qemu_suffix').startswith('/')
32  error('qemu_suffix cannot start with a /')
33endif
34
35qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
36qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
37qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
38qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
39
40qemu_desktopdir = get_option('datadir') / 'applications'
41qemu_icondir = get_option('datadir') / 'icons'
42
43config_host_data = configuration_data()
44genh = []
45qapi_trace_events = []
46
47bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
48supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
49supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
50  'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc', 'sparc64']
51
52cpu = host_machine.cpu_family()
53
54# Unify riscv* to a single family.
55if cpu in ['riscv32', 'riscv64']
56  cpu = 'riscv'
57endif
58
59targetos = host_machine.system()
60
61target_dirs = config_host['TARGET_DIRS'].split()
62have_linux_user = false
63have_bsd_user = false
64have_system = false
65foreach target : target_dirs
66  have_linux_user = have_linux_user or target.endswith('linux-user')
67  have_bsd_user = have_bsd_user or target.endswith('bsd-user')
68  have_system = have_system or target.endswith('-softmmu')
69endforeach
70have_user = have_linux_user or have_bsd_user
71have_tools = get_option('tools') \
72  .disable_auto_if(not have_system) \
73  .allowed()
74have_ga = get_option('guest_agent') \
75  .disable_auto_if(not have_system and not have_tools) \
76  .require(targetos in ['sunos', 'linux', 'windows'],
77           error_message: 'unsupported OS for QEMU guest agent') \
78  .allowed()
79have_block = have_system or have_tools
80
81python = import('python').find_installation()
82
83if cpu not in supported_cpus
84  host_arch = 'unknown'
85elif cpu == 'x86'
86  host_arch = 'i386'
87elif cpu == 'mips64'
88  host_arch = 'mips'
89else
90  host_arch = cpu
91endif
92
93if cpu in ['x86', 'x86_64']
94  kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
95elif cpu == 'aarch64'
96  kvm_targets = ['aarch64-softmmu']
97elif cpu == 's390x'
98  kvm_targets = ['s390x-softmmu']
99elif cpu in ['ppc', 'ppc64']
100  kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
101elif cpu in ['mips', 'mips64']
102  kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
103elif cpu in ['riscv']
104  kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
105else
106  kvm_targets = []
107endif
108
109kvm_targets_c = '""'
110if get_option('kvm').allowed() and targetos == 'linux'
111  kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
112endif
113config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
114
115accelerator_targets = { 'CONFIG_KVM': kvm_targets }
116
117if cpu in ['aarch64']
118  accelerator_targets += {
119    'CONFIG_HVF': ['aarch64-softmmu']
120  }
121endif
122
123if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
124  # i386 emulator provides xenpv machine type for multiple architectures
125  accelerator_targets += {
126    'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
127  }
128endif
129if cpu in ['x86', 'x86_64']
130  accelerator_targets += {
131    'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
132    'CONFIG_HVF': ['x86_64-softmmu'],
133    'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
134    'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
135  }
136endif
137
138modular_tcg = []
139# Darwin does not support references to thread-local variables in modules
140if targetos != 'darwin'
141  modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
142endif
143
144edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
145unpack_edk2_blobs = false
146foreach target : edk2_targets
147  if target in target_dirs
148    bzip2 = find_program('bzip2', required: get_option('install_blobs'))
149    unpack_edk2_blobs = bzip2.found()
150    break
151  endif
152endforeach
153
154dtrace = not_found
155stap = not_found
156if 'dtrace' in get_option('trace_backends')
157  dtrace = find_program('dtrace', required: true)
158  stap = find_program('stap', required: false)
159  if stap.found()
160    # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
161    # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
162    # instead. QEMU --enable-modules depends on this because the SystemTap
163    # semaphores are linked into the main binary and not the module's shared
164    # object.
165    add_global_arguments('-DSTAP_SDT_V2',
166                         native: false, language: ['c', 'cpp', 'objc'])
167  endif
168endif
169
170##################
171# Compiler flags #
172##################
173
174qemu_cflags = config_host['QEMU_CFLAGS'].split()
175qemu_cxxflags = config_host['QEMU_CXXFLAGS'].split()
176qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split()
177qemu_ldflags = config_host['QEMU_LDFLAGS'].split()
178
179if get_option('gprof')
180  qemu_cflags += ['-p']
181  qemu_cxxflags += ['-p']
182  qemu_objcflags += ['-p']
183  qemu_ldflags += ['-p']
184endif
185
186# Specify linker-script with add_project_link_arguments so that it is not placed
187# within a linker --start-group/--end-group pair
188if get_option('fuzzing')
189  add_project_link_arguments(['-Wl,-T,',
190                              (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
191                             native: false, language: ['c', 'cpp', 'objc'])
192
193  # Specify a filter to only instrument code that is directly related to
194  # virtual-devices.
195  configure_file(output: 'instrumentation-filter',
196                 input: 'scripts/oss-fuzz/instrumentation-filter-template',
197                 copy: true)
198  add_global_arguments(
199      cc.get_supported_arguments('-fsanitize-coverage-allowlist=instrumentation-filter'),
200      native: false, language: ['c', 'cpp', 'objc'])
201
202  if get_option('fuzzing_engine') == ''
203    # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
204    # compiled code.  To build non-fuzzer binaries with --enable-fuzzing, link
205    # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
206    # unable to bind the fuzzer-related callbacks added by instrumentation.
207    add_global_arguments('-fsanitize=fuzzer-no-link',
208                         native: false, language: ['c', 'cpp', 'objc'])
209    add_global_link_arguments('-fsanitize=fuzzer-no-link',
210                              native: false, language: ['c', 'cpp', 'objc'])
211    # For the actual fuzzer binaries, we need to link against the libfuzzer
212    # library. They need to be configurable, to support OSS-Fuzz
213    fuzz_exe_ldflags = ['-fsanitize=fuzzer']
214  else
215    # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
216    # the needed CFLAGS have already been provided
217    fuzz_exe_ldflags = get_option('fuzzing_engine').split()
218  endif
219endif
220
221add_global_arguments(qemu_cflags, native: false, language: ['c'])
222add_global_arguments(qemu_cxxflags, native: false, language: ['cpp'])
223add_global_arguments(qemu_objcflags, native: false, language: ['objc'])
224add_global_link_arguments(qemu_ldflags, native: false, language: ['c', 'cpp', 'objc'])
225
226if targetos == 'linux'
227  add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
228                        '-isystem', 'linux-headers',
229                        language: ['c', 'cpp'])
230endif
231
232add_project_arguments('-iquote', '.',
233                      '-iquote', meson.current_source_dir(),
234                      '-iquote', meson.current_source_dir() / 'include',
235                      '-iquote', meson.current_source_dir() / 'disas/libvixl',
236                      language: ['c', 'cpp', 'objc'])
237
238link_language = meson.get_external_property('link_language', 'cpp')
239if link_language == 'cpp'
240  add_languages('cpp', required: true, native: false)
241  cxx = meson.get_compiler('cpp')
242  linker = cxx
243else
244  linker = cc
245endif
246if host_machine.system() == 'darwin'
247  add_languages('objc', required: false, native: false)
248endif
249
250sparse = find_program('cgcc', required: get_option('sparse'))
251if sparse.found()
252  run_target('sparse',
253             command: [find_program('scripts/check_sparse.py'),
254                       'compile_commands.json', sparse.full_path(), '-Wbitwise',
255                       '-Wno-transparent-union', '-Wno-old-initializer',
256                       '-Wno-non-pointer-null'])
257endif
258
259###########################################
260# Target-specific checks and dependencies #
261###########################################
262
263# Fuzzing
264if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
265    not cc.links('''
266          #include <stdint.h>
267          #include <sys/types.h>
268          int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
269          int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
270        ''',
271        args: ['-Werror', '-fsanitize=fuzzer'])
272  error('Your compiler does not support -fsanitize=fuzzer')
273endif
274
275# Tracing backends
276if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
277  error('ftrace is supported only on Linux')
278endif
279if 'syslog' in get_option('trace_backends') and not cc.compiles('''
280    #include <syslog.h>
281    int main(void) {
282        openlog("qemu", LOG_PID, LOG_DAEMON);
283        syslog(LOG_INFO, "configure");
284        return 0;
285    }''')
286  error('syslog is not supported on this system')
287endif
288
289# Miscellaneous Linux-only features
290get_option('mpath') \
291  .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
292
293multiprocess_allowed = get_option('multiprocess') \
294  .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
295  .allowed()
296
297have_tpm = get_option('tpm') \
298  .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
299  .allowed()
300
301# Target-specific libraries and flags
302libm = cc.find_library('m', required: false)
303threads = dependency('threads')
304util = cc.find_library('util', required: false)
305winmm = []
306socket = []
307version_res = []
308coref = []
309iokit = []
310emulator_link_args = []
311nvmm =not_found
312hvf = not_found
313midl = not_found
314widl = not_found
315host_dsosuf = '.so'
316if targetos == 'windows'
317  midl = find_program('midl', required: false)
318  widl = find_program('widl', required: false)
319  socket = cc.find_library('ws2_32')
320  winmm = cc.find_library('winmm')
321
322  win = import('windows')
323  version_res = win.compile_resources('version.rc',
324                                      depend_files: files('pc-bios/qemu-nsis.ico'),
325                                      include_directories: include_directories('.'))
326  host_dsosuf = '.dll'
327elif targetos == 'darwin'
328  coref = dependency('appleframeworks', modules: 'CoreFoundation')
329  iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
330  host_dsosuf = '.dylib'
331elif targetos == 'sunos'
332  socket = [cc.find_library('socket'),
333            cc.find_library('nsl'),
334            cc.find_library('resolv')]
335elif targetos == 'haiku'
336  socket = [cc.find_library('posix_error_mapper'),
337            cc.find_library('network'),
338            cc.find_library('bsd')]
339elif targetos == 'openbsd'
340  if get_option('tcg').allowed() and target_dirs.length() > 0
341    # Disable OpenBSD W^X if available
342    emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
343  endif
344endif
345
346# Target-specific configuration of accelerators
347accelerators = []
348if get_option('kvm').allowed() and targetos == 'linux'
349  accelerators += 'CONFIG_KVM'
350endif
351if get_option('xen').allowed() and 'CONFIG_XEN_BACKEND' in config_host
352  accelerators += 'CONFIG_XEN'
353  have_xen_pci_passthrough = get_option('xen_pci_passthrough').allowed() and targetos == 'linux'
354else
355  have_xen_pci_passthrough = false
356endif
357if get_option('whpx').allowed() and targetos == 'windows'
358  if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
359    error('WHPX requires 64-bit host')
360  elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
361       cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
362    accelerators += 'CONFIG_WHPX'
363  endif
364endif
365if get_option('hvf').allowed()
366  hvf = dependency('appleframeworks', modules: 'Hypervisor',
367                   required: get_option('hvf'))
368  if hvf.found()
369    accelerators += 'CONFIG_HVF'
370  endif
371endif
372if get_option('hax').allowed()
373  if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
374    accelerators += 'CONFIG_HAX'
375  endif
376endif
377if targetos == 'netbsd'
378  nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
379  if nvmm.found()
380    accelerators += 'CONFIG_NVMM'
381  endif
382endif
383
384tcg_arch = host_arch
385if get_option('tcg').allowed()
386  if host_arch == 'unknown'
387    if get_option('tcg_interpreter')
388      warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
389    else
390      error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
391    endif
392  elif get_option('tcg_interpreter')
393    warning('Use of the TCG interpreter is not recommended on this host')
394    warning('architecture. There is a native TCG execution backend available')
395    warning('which provides substantially better performance and reliability.')
396    warning('It is strongly recommended to remove the --enable-tcg-interpreter')
397    warning('configuration option on this architecture to use the native')
398    warning('backend.')
399  endif
400  if get_option('tcg_interpreter')
401    tcg_arch = 'tci'
402  elif host_arch == 'sparc64'
403    tcg_arch = 'sparc'
404  elif host_arch == 'x86_64'
405    tcg_arch = 'i386'
406  elif host_arch == 'ppc64'
407    tcg_arch = 'ppc'
408  endif
409  add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
410                        language: ['c', 'cpp', 'objc'])
411
412  accelerators += 'CONFIG_TCG'
413  config_host += { 'CONFIG_TCG': 'y' }
414endif
415
416if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
417  error('KVM not available on this platform')
418endif
419if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
420  error('HVF not available on this platform')
421endif
422if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
423  error('NVMM not available on this platform')
424endif
425if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
426  error('WHPX not available on this platform')
427endif
428if not have_xen_pci_passthrough and get_option('xen_pci_passthrough').enabled()
429  if 'CONFIG_XEN' in accelerators
430    error('Xen PCI passthrough not available on this platform')
431  else
432    error('Xen PCI passthrough requested but Xen not enabled')
433  endif
434endif
435
436################
437# Dependencies #
438################
439
440# The path to glib.h is added to all compilation commands.  This was
441# grandfathered in from the QEMU Makefiles.
442add_project_arguments(config_host['GLIB_CFLAGS'].split(),
443                      native: false, language: ['c', 'cpp', 'objc'])
444glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
445                          link_args: config_host['GLIB_LIBS'].split(),
446                          version: config_host['GLIB_VERSION'])
447# override glib dep with the configure results (for subprojects)
448meson.override_dependency('glib-2.0', glib)
449
450gio = not_found
451if 'CONFIG_GIO' in config_host
452  gio = declare_dependency(compile_args: config_host['GIO_CFLAGS'].split(),
453                           link_args: config_host['GIO_LIBS'].split(),
454                           version: config_host['GLIB_VERSION'])
455endif
456lttng = not_found
457if 'ust' in get_option('trace_backends')
458  lttng = dependency('lttng-ust', required: true, method: 'pkg-config',
459                     kwargs: static_kwargs)
460endif
461pixman = not_found
462if have_system or have_tools
463  pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
464                      method: 'pkg-config', kwargs: static_kwargs)
465endif
466zlib = dependency('zlib', required: true, kwargs: static_kwargs)
467
468libaio = not_found
469if not get_option('linux_aio').auto() or have_block
470  libaio = cc.find_library('aio', has_headers: ['libaio.h'],
471                           required: get_option('linux_aio'),
472                           kwargs: static_kwargs)
473endif
474linux_io_uring = not_found
475if not get_option('linux_io_uring').auto() or have_block
476  linux_io_uring = dependency('liburing', version: '>=0.3',
477                              required: get_option('linux_io_uring'),
478                              method: 'pkg-config', kwargs: static_kwargs)
479endif
480libnfs = not_found
481if not get_option('libnfs').auto() or have_block
482  libnfs = dependency('libnfs', version: '>=1.9.3',
483                      required: get_option('libnfs'),
484                      method: 'pkg-config', kwargs: static_kwargs)
485endif
486
487libattr_test = '''
488  #include <stddef.h>
489  #include <sys/types.h>
490  #ifdef CONFIG_LIBATTR
491  #include <attr/xattr.h>
492  #else
493  #include <sys/xattr.h>
494  #endif
495  int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
496
497libattr = not_found
498have_old_libattr = false
499if get_option('attr').allowed()
500  if cc.links(libattr_test)
501    libattr = declare_dependency()
502  else
503    libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
504                              required: get_option('attr'),
505                              kwargs: static_kwargs)
506    if libattr.found() and not \
507      cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
508      libattr = not_found
509      if get_option('attr').enabled()
510        error('could not link libattr')
511      else
512        warning('could not link libattr, disabling')
513      endif
514    else
515      have_old_libattr = libattr.found()
516    endif
517  endif
518endif
519
520cocoa = dependency('appleframeworks', modules: 'Cocoa', required: get_option('cocoa'))
521if cocoa.found() and get_option('sdl').enabled()
522  error('Cocoa and SDL cannot be enabled at the same time')
523endif
524if cocoa.found() and get_option('gtk').enabled()
525  error('Cocoa and GTK+ cannot be enabled at the same time')
526endif
527
528seccomp = not_found
529if not get_option('seccomp').auto() or have_system or have_tools
530  seccomp = dependency('libseccomp', version: '>=2.3.0',
531                       required: get_option('seccomp'),
532                       method: 'pkg-config', kwargs: static_kwargs)
533endif
534
535libcap_ng = not_found
536if not get_option('cap_ng').auto() or have_system or have_tools
537  libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
538                              required: get_option('cap_ng'),
539                              kwargs: static_kwargs)
540endif
541if libcap_ng.found() and not cc.links('''
542   #include <cap-ng.h>
543   int main(void)
544   {
545     capng_capability_to_name(CAPNG_EFFECTIVE);
546     return 0;
547   }''', dependencies: libcap_ng)
548  libcap_ng = not_found
549  if get_option('cap_ng').enabled()
550    error('could not link libcap-ng')
551  else
552    warning('could not link libcap-ng, disabling')
553  endif
554endif
555
556if get_option('xkbcommon').auto() and not have_system and not have_tools
557  xkbcommon = not_found
558else
559  xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
560                         method: 'pkg-config', kwargs: static_kwargs)
561endif
562
563vde = not_found
564if not get_option('vde').auto() or have_system or have_tools
565  vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
566                           required: get_option('vde'),
567                           kwargs: static_kwargs)
568endif
569if vde.found() and not cc.links('''
570   #include <libvdeplug.h>
571   int main(void)
572   {
573     struct vde_open_args a = {0, 0, 0};
574     char s[] = "";
575     vde_open(s, s, &a);
576     return 0;
577   }''', dependencies: vde)
578  vde = not_found
579  if get_option('cap_ng').enabled()
580    error('could not link libvdeplug')
581  else
582    warning('could not link libvdeplug, disabling')
583  endif
584endif
585
586pulse = not_found
587if not get_option('pa').auto() or (targetos == 'linux' and have_system)
588  pulse = dependency('libpulse', required: get_option('pa'),
589                     method: 'pkg-config', kwargs: static_kwargs)
590endif
591alsa = not_found
592if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
593  alsa = dependency('alsa', required: get_option('alsa'),
594                    method: 'pkg-config', kwargs: static_kwargs)
595endif
596jack = not_found
597if not get_option('jack').auto() or have_system
598  jack = dependency('jack', required: get_option('jack'),
599                    method: 'pkg-config', kwargs: static_kwargs)
600endif
601
602spice_protocol = not_found
603if not get_option('spice_protocol').auto() or have_system
604  spice_protocol = dependency('spice-protocol', version: '>=0.12.3',
605                              required: get_option('spice_protocol'),
606                              method: 'pkg-config', kwargs: static_kwargs)
607endif
608spice = not_found
609if not get_option('spice').auto() or have_system
610  spice = dependency('spice-server', version: '>=0.12.5',
611                     required: get_option('spice'),
612                     method: 'pkg-config', kwargs: static_kwargs)
613endif
614spice_headers = spice.partial_dependency(compile_args: true, includes: true)
615
616rt = cc.find_library('rt', required: false)
617
618libiscsi = not_found
619if not get_option('libiscsi').auto() or have_block
620  libiscsi = dependency('libiscsi', version: '>=1.9.0',
621                         required: get_option('libiscsi'),
622                         method: 'pkg-config', kwargs: static_kwargs)
623endif
624zstd = not_found
625if not get_option('zstd').auto() or have_block
626  zstd = dependency('libzstd', version: '>=1.4.0',
627                    required: get_option('zstd'),
628                    method: 'pkg-config', kwargs: static_kwargs)
629endif
630virgl = not_found
631
632have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
633if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
634  virgl = dependency('virglrenderer',
635                     method: 'pkg-config',
636                     required: get_option('virglrenderer'),
637                     kwargs: static_kwargs)
638endif
639curl = not_found
640if not get_option('curl').auto() or have_block
641  curl = dependency('libcurl', version: '>=7.29.0',
642                    method: 'pkg-config',
643                    required: get_option('curl'),
644                    kwargs: static_kwargs)
645endif
646libudev = not_found
647if targetos == 'linux' and (have_system or have_tools)
648  libudev = dependency('libudev',
649                       method: 'pkg-config',
650                       required: get_option('libudev'),
651                       kwargs: static_kwargs)
652endif
653
654mpathlibs = [libudev]
655mpathpersist = not_found
656mpathpersist_new_api = false
657if targetos == 'linux' and have_tools and get_option('mpath').allowed()
658  mpath_test_source_new = '''
659    #include <libudev.h>
660    #include <mpath_persist.h>
661    unsigned mpath_mx_alloc_len = 1024;
662    int logsink;
663    static struct config *multipath_conf;
664    extern struct udev *udev;
665    extern struct config *get_multipath_config(void);
666    extern void put_multipath_config(struct config *conf);
667    struct udev *udev;
668    struct config *get_multipath_config(void) { return multipath_conf; }
669    void put_multipath_config(struct config *conf) { }
670    int main(void) {
671        udev = udev_new();
672        multipath_conf = mpath_lib_init();
673        return 0;
674    }'''
675  mpath_test_source_old = '''
676      #include <libudev.h>
677      #include <mpath_persist.h>
678      unsigned mpath_mx_alloc_len = 1024;
679      int logsink;
680      int main(void) {
681          struct udev *udev = udev_new();
682          mpath_lib_init(udev);
683          return 0;
684      }'''
685  libmpathpersist = cc.find_library('mpathpersist',
686                                    required: get_option('mpath'),
687                                    kwargs: static_kwargs)
688  if libmpathpersist.found()
689    mpathlibs += libmpathpersist
690    if enable_static
691      mpathlibs += cc.find_library('devmapper',
692                                     required: get_option('mpath'),
693                                     kwargs: static_kwargs)
694    endif
695    mpathlibs += cc.find_library('multipath',
696                                 required: get_option('mpath'),
697                                 kwargs: static_kwargs)
698    foreach lib: mpathlibs
699      if not lib.found()
700        mpathlibs = []
701        break
702      endif
703    endforeach
704    if mpathlibs.length() == 0
705      msg = 'Dependencies missing for libmpathpersist'
706    elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
707      mpathpersist = declare_dependency(dependencies: mpathlibs)
708      mpathpersist_new_api = true
709    elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
710      mpathpersist = declare_dependency(dependencies: mpathlibs)
711    else
712      msg = 'Cannot detect libmpathpersist API'
713    endif
714    if not mpathpersist.found()
715      if get_option('mpath').enabled()
716        error(msg)
717      else
718        warning(msg + ', disabling')
719      endif
720    endif
721  endif
722endif
723
724iconv = not_found
725curses = not_found
726if have_system and get_option('curses').allowed()
727  curses_test = '''
728    #if defined(__APPLE__) || defined(__OpenBSD__)
729    #define _XOPEN_SOURCE_EXTENDED 1
730    #endif
731    #include <locale.h>
732    #include <curses.h>
733    #include <wchar.h>
734    int main(void) {
735      wchar_t wch = L'w';
736      setlocale(LC_ALL, "");
737      resize_term(0, 0);
738      addwstr(L"wide chars\n");
739      addnwstr(&wch, 1);
740      add_wch(WACS_DEGREE);
741      return 0;
742    }'''
743
744  curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
745  foreach curses_dep : curses_dep_list
746    if not curses.found()
747      curses = dependency(curses_dep,
748                          required: false,
749                          method: 'pkg-config',
750                          kwargs: static_kwargs)
751    endif
752  endforeach
753  msg = get_option('curses').enabled() ? 'curses library not found' : ''
754  curses_compile_args = ['-DNCURSES_WIDECHAR=1']
755  if curses.found()
756    if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
757      curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
758    else
759      msg = 'curses package not usable'
760      curses = not_found
761    endif
762  endif
763  if not curses.found()
764    has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
765    if targetos != 'windows' and not has_curses_h
766      message('Trying with /usr/include/ncursesw')
767      curses_compile_args += ['-I/usr/include/ncursesw']
768      has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
769    endif
770    if has_curses_h
771      curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
772      foreach curses_libname : curses_libname_list
773        libcurses = cc.find_library(curses_libname,
774                                    required: false,
775                                    kwargs: static_kwargs)
776        if libcurses.found()
777          if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
778            curses = declare_dependency(compile_args: curses_compile_args,
779                                        dependencies: [libcurses])
780            break
781          else
782            msg = 'curses library not usable'
783          endif
784        endif
785      endforeach
786    endif
787  endif
788  if get_option('iconv').allowed()
789    foreach link_args : [ ['-liconv'], [] ]
790      # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
791      # We need to use libiconv if available because mixing libiconv's headers with
792      # the system libc does not work.
793      # However, without adding glib to the dependencies -L/usr/local/lib will not be
794      # included in the command line and libiconv will not be found.
795      if cc.links('''
796        #include <iconv.h>
797        int main(void) {
798          iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
799          return conv != (iconv_t) -1;
800        }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
801        iconv = declare_dependency(link_args: link_args, dependencies: glib)
802        break
803      endif
804    endforeach
805  endif
806  if curses.found() and not iconv.found()
807    if get_option('iconv').enabled()
808      error('iconv not available')
809    endif
810    msg = 'iconv required for curses UI but not available'
811    curses = not_found
812  endif
813  if not curses.found() and msg != ''
814    if get_option('curses').enabled()
815      error(msg)
816    else
817      warning(msg + ', disabling')
818    endif
819  endif
820endif
821
822brlapi = not_found
823if not get_option('brlapi').auto() or have_system
824  brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
825                         required: get_option('brlapi'),
826                         kwargs: static_kwargs)
827  if brlapi.found() and not cc.links('''
828     #include <brlapi.h>
829     #include <stddef.h>
830     int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
831    brlapi = not_found
832    if get_option('brlapi').enabled()
833      error('could not link brlapi')
834    else
835      warning('could not link brlapi, disabling')
836    endif
837  endif
838endif
839
840sdl = not_found
841if not get_option('sdl').auto() or (have_system and not cocoa.found())
842  sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
843  sdl_image = not_found
844endif
845if sdl.found()
846  # work around 2.0.8 bug
847  sdl = declare_dependency(compile_args: '-Wno-undef',
848                           dependencies: sdl)
849  sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
850                         method: 'pkg-config', kwargs: static_kwargs)
851else
852  if get_option('sdl_image').enabled()
853    error('sdl-image required, but SDL was @0@'.format(
854          get_option('sdl').disabled() ? 'disabled' : 'not found'))
855  endif
856  sdl_image = not_found
857endif
858
859rbd = not_found
860if not get_option('rbd').auto() or have_block
861  librados = cc.find_library('rados', required: get_option('rbd'),
862                             kwargs: static_kwargs)
863  librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
864                           required: get_option('rbd'),
865                           kwargs: static_kwargs)
866  if librados.found() and librbd.found()
867    if cc.links('''
868      #include <stdio.h>
869      #include <rbd/librbd.h>
870      int main(void) {
871        rados_t cluster;
872        rados_create(&cluster, NULL);
873        #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
874        #error
875        #endif
876        return 0;
877      }''', dependencies: [librbd, librados])
878      rbd = declare_dependency(dependencies: [librbd, librados])
879    elif get_option('rbd').enabled()
880      error('librbd >= 1.12.0 required')
881    else
882      warning('librbd >= 1.12.0 not found, disabling')
883    endif
884  endif
885endif
886
887glusterfs = not_found
888glusterfs_ftruncate_has_stat = false
889glusterfs_iocb_has_stat = false
890if not get_option('glusterfs').auto() or have_block
891  glusterfs = dependency('glusterfs-api', version: '>=3',
892                         required: get_option('glusterfs'),
893                         method: 'pkg-config', kwargs: static_kwargs)
894  if glusterfs.found()
895    glusterfs_ftruncate_has_stat = cc.links('''
896      #include <glusterfs/api/glfs.h>
897
898      int
899      main(void)
900      {
901          /* new glfs_ftruncate() passes two additional args */
902          return glfs_ftruncate(NULL, 0, NULL, NULL);
903      }
904    ''', dependencies: glusterfs)
905    glusterfs_iocb_has_stat = cc.links('''
906      #include <glusterfs/api/glfs.h>
907
908      /* new glfs_io_cbk() passes two additional glfs_stat structs */
909      static void
910      glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
911      {}
912
913      int
914      main(void)
915      {
916          glfs_io_cbk iocb = &glusterfs_iocb;
917          iocb(NULL, 0 , NULL, NULL, NULL);
918          return 0;
919      }
920    ''', dependencies: glusterfs)
921  endif
922endif
923
924libssh = not_found
925if not get_option('libssh').auto() or have_block
926  libssh = dependency('libssh', version: '>=0.8.7',
927                    method: 'pkg-config',
928                    required: get_option('libssh'),
929                    kwargs: static_kwargs)
930endif
931
932libbzip2 = not_found
933if not get_option('bzip2').auto() or have_block
934  libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
935                             required: get_option('bzip2'),
936                             kwargs: static_kwargs)
937  if libbzip2.found() and not cc.links('''
938     #include <bzlib.h>
939     int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
940    libbzip2 = not_found
941    if get_option('bzip2').enabled()
942      error('could not link libbzip2')
943    else
944      warning('could not link libbzip2, disabling')
945    endif
946  endif
947endif
948
949liblzfse = not_found
950if not get_option('lzfse').auto() or have_block
951  liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
952                             required: get_option('lzfse'),
953                             kwargs: static_kwargs)
954endif
955if liblzfse.found() and not cc.links('''
956   #include <lzfse.h>
957   int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
958  liblzfse = not_found
959  if get_option('lzfse').enabled()
960    error('could not link liblzfse')
961  else
962    warning('could not link liblzfse, disabling')
963  endif
964endif
965
966oss = not_found
967if get_option('oss').allowed() and have_system
968  if not cc.has_header('sys/soundcard.h')
969    # not found
970  elif targetos == 'netbsd'
971    oss = cc.find_library('ossaudio', required: get_option('oss'),
972                          kwargs: static_kwargs)
973  else
974    oss = declare_dependency()
975  endif
976
977  if not oss.found()
978    if get_option('oss').enabled()
979      error('OSS not found')
980    endif
981  endif
982endif
983dsound = not_found
984if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
985  if cc.has_header('dsound.h')
986    dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
987  endif
988
989  if not dsound.found()
990    if get_option('dsound').enabled()
991      error('DirectSound not found')
992    endif
993  endif
994endif
995
996coreaudio = not_found
997if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
998  coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
999                         required: get_option('coreaudio'))
1000endif
1001
1002opengl = not_found
1003if 'CONFIG_OPENGL' in config_host
1004  opengl = declare_dependency(compile_args: config_host['OPENGL_CFLAGS'].split(),
1005                              link_args: config_host['OPENGL_LIBS'].split())
1006endif
1007gbm = not_found
1008if (have_system or have_tools) and (virgl.found() or opengl.found())
1009  gbm = dependency('gbm', method: 'pkg-config', required: false,
1010                   kwargs: static_kwargs)
1011endif
1012have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and gbm.found()
1013
1014gnutls = not_found
1015gnutls_crypto = not_found
1016if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1017  # For general TLS support our min gnutls matches
1018  # that implied by our platform support matrix
1019  #
1020  # For the crypto backends, we look for a newer
1021  # gnutls:
1022  #
1023  #   Version 3.6.8  is needed to get XTS
1024  #   Version 3.6.13 is needed to get PBKDF
1025  #   Version 3.6.14 is needed to get HW accelerated XTS
1026  #
1027  # If newer enough gnutls isn't available, we can
1028  # still use a different crypto backend to satisfy
1029  # the platform support requirements
1030  gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1031                             method: 'pkg-config',
1032                             required: false,
1033                             kwargs: static_kwargs)
1034  if gnutls_crypto.found()
1035    gnutls = gnutls_crypto
1036  else
1037    # Our min version if all we need is TLS
1038    gnutls = dependency('gnutls', version: '>=3.5.18',
1039                        method: 'pkg-config',
1040                        required: get_option('gnutls'),
1041                        kwargs: static_kwargs)
1042  endif
1043endif
1044
1045# We prefer use of gnutls for crypto, unless the options
1046# explicitly asked for nettle or gcrypt.
1047#
1048# If gnutls isn't available for crypto, then we'll prefer
1049# gcrypt over nettle for performance reasons.
1050gcrypt = not_found
1051nettle = not_found
1052xts = 'none'
1053
1054if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1055  error('Only one of gcrypt & nettle can be enabled')
1056endif
1057
1058# Explicit nettle/gcrypt request, so ignore gnutls for crypto
1059if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1060  gnutls_crypto = not_found
1061endif
1062
1063if not gnutls_crypto.found()
1064  if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1065    gcrypt = dependency('libgcrypt', version: '>=1.8',
1066                        method: 'config-tool',
1067                        required: get_option('gcrypt'),
1068                        kwargs: static_kwargs)
1069    # Debian has removed -lgpg-error from libgcrypt-config
1070    # as it "spreads unnecessary dependencies" which in
1071    # turn breaks static builds...
1072    if gcrypt.found() and enable_static
1073      gcrypt = declare_dependency(dependencies: [
1074        gcrypt,
1075        cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1076    endif
1077  endif
1078  if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1079    nettle = dependency('nettle', version: '>=3.4',
1080                        method: 'pkg-config',
1081                        required: get_option('nettle'),
1082                        kwargs: static_kwargs)
1083    if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1084      xts = 'private'
1085    endif
1086  endif
1087endif
1088
1089gtk = not_found
1090gtkx11 = not_found
1091vte = not_found
1092if not get_option('gtk').auto() or (have_system and not cocoa.found())
1093  gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1094                   method: 'pkg-config',
1095                   required: get_option('gtk'),
1096                   kwargs: static_kwargs)
1097  if gtk.found()
1098    gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1099                        method: 'pkg-config',
1100                        required: false,
1101                        kwargs: static_kwargs)
1102    gtk = declare_dependency(dependencies: [gtk, gtkx11])
1103
1104    if not get_option('vte').auto() or have_system
1105      vte = dependency('vte-2.91',
1106                       method: 'pkg-config',
1107                       required: get_option('vte'),
1108                       kwargs: static_kwargs)
1109    endif
1110  endif
1111endif
1112
1113x11 = not_found
1114if gtkx11.found()
1115  x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1116                   kwargs: static_kwargs)
1117endif
1118vnc = not_found
1119png = not_found
1120jpeg = not_found
1121sasl = not_found
1122if get_option('vnc').allowed() and have_system
1123  vnc = declare_dependency() # dummy dependency
1124  png = dependency('libpng', required: get_option('vnc_png'),
1125                   method: 'pkg-config', kwargs: static_kwargs)
1126  jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1127                    method: 'pkg-config', kwargs: static_kwargs)
1128  sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1129                         required: get_option('vnc_sasl'),
1130                         kwargs: static_kwargs)
1131  if sasl.found()
1132    sasl = declare_dependency(dependencies: sasl,
1133                              compile_args: '-DSTRUCT_IOVEC_DEFINED')
1134  endif
1135endif
1136
1137pam = not_found
1138if not get_option('auth_pam').auto() or have_system
1139  pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1140                        required: get_option('auth_pam'),
1141                        kwargs: static_kwargs)
1142endif
1143if pam.found() and not cc.links('''
1144   #include <stddef.h>
1145   #include <security/pam_appl.h>
1146   int main(void) {
1147     const char *service_name = "qemu";
1148     const char *user = "frank";
1149     const struct pam_conv pam_conv = { 0 };
1150     pam_handle_t *pamh = NULL;
1151     pam_start(service_name, user, &pam_conv, &pamh);
1152     return 0;
1153   }''', dependencies: pam)
1154  pam = not_found
1155  if get_option('auth_pam').enabled()
1156    error('could not link libpam')
1157  else
1158    warning('could not link libpam, disabling')
1159  endif
1160endif
1161
1162snappy = not_found
1163if not get_option('snappy').auto() or have_system
1164  snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1165                           required: get_option('snappy'),
1166                           kwargs: static_kwargs)
1167endif
1168if snappy.found() and not linker.links('''
1169   #include <snappy-c.h>
1170   int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1171  snappy = not_found
1172  if get_option('snappy').enabled()
1173    error('could not link libsnappy')
1174  else
1175    warning('could not link libsnappy, disabling')
1176  endif
1177endif
1178
1179lzo = not_found
1180if not get_option('lzo').auto() or have_system
1181  lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1182                        required: get_option('lzo'),
1183                        kwargs: static_kwargs)
1184endif
1185if lzo.found() and not cc.links('''
1186   #include <lzo/lzo1x.h>
1187   int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1188  lzo = not_found
1189  if get_option('lzo').enabled()
1190    error('could not link liblzo2')
1191  else
1192    warning('could not link liblzo2, disabling')
1193  endif
1194endif
1195
1196numa = not_found
1197if not get_option('numa').auto() or have_system or have_tools
1198  numa = cc.find_library('numa', has_headers: ['numa.h'],
1199                              required: get_option('numa'),
1200                              kwargs: static_kwargs)
1201endif
1202if numa.found() and not cc.links('''
1203   #include <numa.h>
1204   int main(void) { return numa_available(); }
1205   ''', dependencies: numa)
1206  numa = not_found
1207  if get_option('numa').enabled()
1208    error('could not link numa')
1209  else
1210    warning('could not link numa, disabling')
1211  endif
1212endif
1213
1214rdma = not_found
1215if 'CONFIG_RDMA' in config_host
1216  rdma = declare_dependency(link_args: config_host['RDMA_LIBS'].split())
1217endif
1218xen = not_found
1219if 'CONFIG_XEN_BACKEND' in config_host
1220  xen = declare_dependency(compile_args: config_host['XEN_CFLAGS'].split(),
1221                           link_args: config_host['XEN_LIBS'].split())
1222endif
1223cacard = not_found
1224if not get_option('smartcard').auto() or have_system
1225  cacard = dependency('libcacard', required: get_option('smartcard'),
1226                      version: '>=2.5.1', method: 'pkg-config',
1227                      kwargs: static_kwargs)
1228endif
1229u2f = not_found
1230if have_system
1231  u2f = dependency('u2f-emu', required: get_option('u2f'),
1232                   method: 'pkg-config',
1233                   kwargs: static_kwargs)
1234endif
1235usbredir = not_found
1236if not get_option('usb_redir').auto() or have_system
1237  usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1238                        version: '>=0.6', method: 'pkg-config',
1239                        kwargs: static_kwargs)
1240endif
1241libusb = not_found
1242if not get_option('libusb').auto() or have_system
1243  libusb = dependency('libusb-1.0', required: get_option('libusb'),
1244                      version: '>=1.0.13', method: 'pkg-config',
1245                      kwargs: static_kwargs)
1246endif
1247
1248libpmem = not_found
1249if not get_option('libpmem').auto() or have_system
1250  libpmem = dependency('libpmem', required: get_option('libpmem'),
1251                       method: 'pkg-config', kwargs: static_kwargs)
1252endif
1253libdaxctl = not_found
1254if not get_option('libdaxctl').auto() or have_system
1255  libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1256                         version: '>=57', method: 'pkg-config',
1257                         kwargs: static_kwargs)
1258endif
1259tasn1 = not_found
1260if gnutls.found()
1261  tasn1 = dependency('libtasn1',
1262                     method: 'pkg-config',
1263                     kwargs: static_kwargs)
1264endif
1265keyutils = dependency('libkeyutils', required: false,
1266                      method: 'pkg-config', kwargs: static_kwargs)
1267
1268has_gettid = cc.has_function('gettid')
1269
1270# libselinux
1271selinux = dependency('libselinux',
1272                     required: get_option('selinux'),
1273                     method: 'pkg-config', kwargs: static_kwargs)
1274
1275# Malloc tests
1276
1277malloc = []
1278if get_option('malloc') == 'system'
1279  has_malloc_trim = \
1280    get_option('malloc_trim').allowed() and \
1281    cc.links('''#include <malloc.h>
1282                int main(void) { malloc_trim(0); return 0; }''')
1283else
1284  has_malloc_trim = false
1285  malloc = cc.find_library(get_option('malloc'), required: true)
1286endif
1287if not has_malloc_trim and get_option('malloc_trim').enabled()
1288  if get_option('malloc') == 'system'
1289    error('malloc_trim not available on this platform.')
1290  else
1291    error('malloc_trim not available with non-libc memory allocator')
1292  endif
1293endif
1294
1295# Check whether the glibc provides statx()
1296
1297gnu_source_prefix = '''
1298  #ifndef _GNU_SOURCE
1299  #define _GNU_SOURCE
1300  #endif
1301'''
1302statx_test = gnu_source_prefix + '''
1303  #include <sys/stat.h>
1304  int main(void) {
1305    struct statx statxbuf;
1306    statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1307    return 0;
1308  }'''
1309
1310has_statx = cc.links(statx_test)
1311
1312# Check whether statx() provides mount ID information
1313
1314statx_mnt_id_test = gnu_source_prefix + '''
1315  #include <sys/stat.h>
1316  int main(void) {
1317    struct statx statxbuf;
1318    statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1319    return statxbuf.stx_mnt_id;
1320  }'''
1321
1322has_statx_mnt_id = cc.links(statx_mnt_id_test)
1323
1324have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1325  .require(targetos == 'linux',
1326           error_message: 'vhost_user_blk_server requires linux') \
1327  .require('CONFIG_VHOST_USER' in config_host,
1328           error_message: 'vhost_user_blk_server requires vhost-user support') \
1329  .disable_auto_if(not have_system) \
1330  .allowed()
1331
1332if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1333  error('Cannot enable fuse-lseek while fuse is disabled')
1334endif
1335
1336fuse = dependency('fuse3', required: get_option('fuse'),
1337                  version: '>=3.1', method: 'pkg-config',
1338                  kwargs: static_kwargs)
1339
1340fuse_lseek = not_found
1341if get_option('fuse_lseek').allowed()
1342  if fuse.version().version_compare('>=3.8')
1343    # Dummy dependency
1344    fuse_lseek = declare_dependency()
1345  elif get_option('fuse_lseek').enabled()
1346    if fuse.found()
1347      error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1348    else
1349      error('fuse-lseek requires libfuse, which was not found')
1350    endif
1351  endif
1352endif
1353
1354# libbpf
1355libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1356if libbpf.found() and not cc.links('''
1357   #include <bpf/libbpf.h>
1358   int main(void)
1359   {
1360     bpf_object__destroy_skeleton(NULL);
1361     return 0;
1362   }''', dependencies: libbpf)
1363  libbpf = not_found
1364  if get_option('bpf').enabled()
1365    error('libbpf skeleton test failed')
1366  else
1367    warning('libbpf skeleton test failed, disabling')
1368  endif
1369endif
1370
1371#################
1372# config-host.h #
1373#################
1374
1375audio_drivers_selected = []
1376if have_system
1377  audio_drivers_available = {
1378    'alsa': alsa.found(),
1379    'coreaudio': coreaudio.found(),
1380    'dsound': dsound.found(),
1381    'jack': jack.found(),
1382    'oss': oss.found(),
1383    'pa': pulse.found(),
1384    'sdl': sdl.found(),
1385  }
1386  foreach k, v: audio_drivers_available
1387    config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1388  endforeach
1389
1390  # Default to native drivers first, OSS second, SDL third
1391  audio_drivers_priority = \
1392    [ 'pa', 'coreaudio', 'dsound', 'oss' ] + \
1393    (targetos == 'linux' ? [] : [ 'sdl' ])
1394  audio_drivers_default = []
1395  foreach k: audio_drivers_priority
1396    if audio_drivers_available[k]
1397      audio_drivers_default += k
1398    endif
1399  endforeach
1400
1401  foreach k: get_option('audio_drv_list')
1402    if k == 'default'
1403      audio_drivers_selected += audio_drivers_default
1404    elif not audio_drivers_available[k]
1405      error('Audio driver "@0@" not available.'.format(k))
1406    else
1407      audio_drivers_selected += k
1408    endif
1409  endforeach
1410endif
1411config_host_data.set('CONFIG_AUDIO_DRIVERS',
1412                     '"' + '", "'.join(audio_drivers_selected) + '", ')
1413
1414if get_option('cfi')
1415  cfi_flags=[]
1416  # Check for dependency on LTO
1417  if not get_option('b_lto')
1418    error('Selected Control-Flow Integrity but LTO is disabled')
1419  endif
1420  if config_host.has_key('CONFIG_MODULES')
1421    error('Selected Control-Flow Integrity is not compatible with modules')
1422  endif
1423  # Check for cfi flags. CFI requires LTO so we can't use
1424  # get_supported_arguments, but need a more complex "compiles" which allows
1425  # custom arguments
1426  if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1427                 args: ['-flto', '-fsanitize=cfi-icall'] )
1428    cfi_flags += '-fsanitize=cfi-icall'
1429  else
1430    error('-fsanitize=cfi-icall is not supported by the compiler')
1431  endif
1432  if cc.compiles('int main () { return 0; }',
1433                 name: '-fsanitize-cfi-icall-generalize-pointers',
1434                 args: ['-flto', '-fsanitize=cfi-icall',
1435                        '-fsanitize-cfi-icall-generalize-pointers'] )
1436    cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1437  else
1438    error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1439  endif
1440  if get_option('cfi_debug')
1441    if cc.compiles('int main () { return 0; }',
1442                   name: '-fno-sanitize-trap=cfi-icall',
1443                   args: ['-flto', '-fsanitize=cfi-icall',
1444                          '-fno-sanitize-trap=cfi-icall'] )
1445      cfi_flags += '-fno-sanitize-trap=cfi-icall'
1446    else
1447      error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1448    endif
1449  endif
1450  add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1451  add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1452endif
1453
1454have_host_block_device = (targetos != 'darwin' or
1455    cc.has_header('IOKit/storage/IOMedia.h'))
1456
1457# FIXME enable_modules shouldn't be necessary, but: https://github.com/mesonbuild/meson/issues/8333
1458dbus_display = get_option('dbus_display') \
1459  .require(gio.version().version_compare('>=2.64'),
1460           error_message: '-display dbus requires glib>=2.64') \
1461  .require(enable_modules,
1462           error_message: '-display dbus requires --enable-modules') \
1463  .require(config_host.has_key('GDBUS_CODEGEN'),
1464           error_message: '-display dbus requires gdbus-codegen') \
1465  .allowed()
1466
1467have_virtfs = get_option('virtfs') \
1468    .require(targetos == 'linux' or targetos == 'darwin',
1469             error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1470    .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1471             error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1472    .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1473             error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1474    .disable_auto_if(not have_tools and not have_system) \
1475    .allowed()
1476
1477have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1478
1479foreach k : get_option('trace_backends')
1480  config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1481endforeach
1482config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1483if get_option('iasl') != ''
1484  config_host_data.set_quoted('CONFIG_IASL', get_option('iasl'))
1485endif
1486config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1487config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1488config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1489config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1490config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1491config_host_data.set_quoted('CONFIG_QEMU_FIRMWAREPATH', get_option('qemu_firmwarepath'))
1492config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1493config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1494config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1495config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1496config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1497config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1498
1499have_slirp_smbd = get_option('slirp_smbd') \
1500  .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1501  .allowed()
1502if have_slirp_smbd
1503  smbd_path = get_option('smbd')
1504  if smbd_path == ''
1505    smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1506  endif
1507  config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1508endif
1509
1510config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1511
1512config_host_data.set('CONFIG_ATTR', libattr.found())
1513config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1514config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1515config_host_data.set('CONFIG_COCOA', cocoa.found())
1516config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1517config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1518config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1519config_host_data.set('CONFIG_LZO', lzo.found())
1520config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1521config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1522config_host_data.set('CONFIG_CURL', curl.found())
1523config_host_data.set('CONFIG_CURSES', curses.found())
1524config_host_data.set('CONFIG_GBM', gbm.found())
1525config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1526if glusterfs.found()
1527  config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1528  config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1529  config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1530  config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1531  config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1532  config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1533endif
1534config_host_data.set('CONFIG_GTK', gtk.found())
1535config_host_data.set('CONFIG_VTE', vte.found())
1536config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1537config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1538config_host_data.set('CONFIG_EBPF', libbpf.found())
1539config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1540config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1541config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1542config_host_data.set('CONFIG_LIBSSH', libssh.found())
1543config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1544config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1545config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1546config_host_data.set('CONFIG_NUMA', numa.found())
1547config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1548config_host_data.set('CONFIG_RBD', rbd.found())
1549config_host_data.set('CONFIG_SDL', sdl.found())
1550config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1551config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1552config_host_data.set('CONFIG_SNAPPY', snappy.found())
1553config_host_data.set('CONFIG_TPM', have_tpm)
1554config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1555config_host_data.set('CONFIG_VDE', vde.found())
1556config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1557config_host_data.set('CONFIG_VNC', vnc.found())
1558config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1559config_host_data.set('CONFIG_VNC_PNG', png.found())
1560config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1561config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1562config_host_data.set('CONFIG_VTE', vte.found())
1563config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1564config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1565config_host_data.set('CONFIG_GETTID', has_gettid)
1566config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1567config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1568config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1569config_host_data.set('CONFIG_NETTLE', nettle.found())
1570config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1571config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1572config_host_data.set('CONFIG_STATX', has_statx)
1573config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1574config_host_data.set('CONFIG_ZSTD', zstd.found())
1575config_host_data.set('CONFIG_FUSE', fuse.found())
1576config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1577config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1578if spice_protocol.found()
1579config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1580config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1581config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1582endif
1583config_host_data.set('CONFIG_SPICE', spice.found())
1584config_host_data.set('CONFIG_X11', x11.found())
1585config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1586config_host_data.set('CONFIG_CFI', get_option('cfi'))
1587config_host_data.set('CONFIG_SELINUX', selinux.found())
1588config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1589config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1590config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1591config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1592
1593config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1594config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1595config_host_data.set('HOST_WORDS_BIGENDIAN', host_machine.endian() == 'big')
1596
1597have_coroutine_pool = get_option('coroutine_pool')
1598if get_option('debug_stack_usage') and have_coroutine_pool
1599  message('Disabling coroutine pool to measure stack usage')
1600  have_coroutine_pool = false
1601endif
1602config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1603config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1604config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1605config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1606config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1607config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1608config_host_data.set('CONFIG_REPLICATION', get_option('live_block_migration').allowed())
1609
1610# has_header
1611config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1612config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1613config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1614config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1615config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1616config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1617config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1618config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1619config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1620
1621# has_function
1622config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1623config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1624config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1625config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1626config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1627# Note that we need to specify prefix: here to avoid incorrectly
1628# thinking that Windows has posix_memalign()
1629config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1630config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1631config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1632config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1633config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1634config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1635config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1636config_host_data.set('CONFIG_SEM_TIMEDWAIT', cc.has_function('sem_timedwait', dependencies: threads))
1637config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1638config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1639config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1640config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1641config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1642config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1643config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1644config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1645config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1646if rdma.found()
1647  config_host_data.set('HAVE_IBV_ADVISE_MR',
1648                       cc.has_function('ibv_advise_mr',
1649                                       args: config_host['RDMA_LIBS'].split(),
1650                                       prefix: '#include <infiniband/verbs.h>'))
1651endif
1652
1653# has_header_symbol
1654config_host_data.set('CONFIG_BYTESWAP_H',
1655                     cc.has_header_symbol('byteswap.h', 'bswap_32'))
1656config_host_data.set('CONFIG_EPOLL_CREATE1',
1657                     cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
1658config_host_data.set('CONFIG_HAS_ENVIRON',
1659                     cc.has_header_symbol('unistd.h', 'environ', prefix: gnu_source_prefix))
1660config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
1661                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
1662                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
1663config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
1664                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
1665config_host_data.set('CONFIG_FIEMAP',
1666                     cc.has_header('linux/fiemap.h') and
1667                     cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
1668config_host_data.set('CONFIG_GETRANDOM',
1669                     cc.has_function('getrandom') and
1670                     cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
1671config_host_data.set('CONFIG_INOTIFY',
1672                     cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
1673config_host_data.set('CONFIG_INOTIFY1',
1674                     cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
1675config_host_data.set('CONFIG_MACHINE_BSWAP_H',
1676                     cc.has_header_symbol('machine/bswap.h', 'bswap32',
1677                                          prefix: '''#include <sys/endian.h>
1678                                                     #include <sys/types.h>'''))
1679config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
1680                     cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
1681config_host_data.set('CONFIG_RTNETLINK',
1682                     cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
1683config_host_data.set('CONFIG_SYSMACROS',
1684                     cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1685config_host_data.set('HAVE_OPTRESET',
1686                     cc.has_header_symbol('getopt.h', 'optreset'))
1687config_host_data.set('HAVE_IPPROTO_MPTCP',
1688                     cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
1689
1690# has_member
1691config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
1692                     cc.has_member('struct sigevent', 'sigev_notify_thread_id',
1693                                   prefix: '#include <signal.h>'))
1694config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
1695                     cc.has_member('struct stat', 'st_atim',
1696                                   prefix: '#include <sys/stat.h>'))
1697
1698# has_type
1699config_host_data.set('CONFIG_IOVEC',
1700                     cc.has_type('struct iovec',
1701                                 prefix: '#include <sys/uio.h>'))
1702config_host_data.set('HAVE_UTMPX',
1703                     cc.has_type('struct utmpx',
1704                                 prefix: '#include <utmpx.h>'))
1705
1706config_host_data.set('CONFIG_EVENTFD', cc.links('''
1707  #include <sys/eventfd.h>
1708  int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
1709config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
1710  #include <unistd.h>
1711  int main(void) {
1712  #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
1713  return fdatasync(0);
1714  #else
1715  #error Not supported
1716  #endif
1717  }'''))
1718
1719has_madvise = cc.links(gnu_source_prefix + '''
1720  #include <sys/types.h>
1721  #include <sys/mman.h>
1722  #include <stddef.h>
1723  int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
1724missing_madvise_proto = false
1725if has_madvise
1726  # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
1727  # but forget to prototype it. In this case, has_madvise will be true (the
1728  # test program links despite a compile warning). To detect the
1729  # missing-prototype case, we try again with a definitely-bogus prototype.
1730  # This will only compile if the system headers don't provide the prototype;
1731  # otherwise the conflicting prototypes will cause a compiler error.
1732  missing_madvise_proto = cc.links(gnu_source_prefix + '''
1733    #include <sys/types.h>
1734    #include <sys/mman.h>
1735    #include <stddef.h>
1736    extern int madvise(int);
1737    int main(void) { return madvise(0); }''')
1738endif
1739config_host_data.set('CONFIG_MADVISE', has_madvise)
1740config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
1741
1742config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
1743  #include <sys/mman.h>
1744  int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
1745config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
1746  #include <fcntl.h>
1747  #if !defined(AT_EMPTY_PATH)
1748  # error missing definition
1749  #else
1750  int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
1751  #endif'''))
1752config_host_data.set('CONFIG_PIPE2', cc.links(gnu_source_prefix + '''
1753  #include <unistd.h>
1754  #include <fcntl.h>
1755
1756  int main(void)
1757  {
1758      int pipefd[2];
1759      return pipe2(pipefd, O_CLOEXEC);
1760  }'''))
1761config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
1762  #include <sys/mman.h>
1763  #include <stddef.h>
1764  int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
1765
1766config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
1767  #include <pthread.h>
1768
1769  static void *f(void *p) { return NULL; }
1770  int main(void)
1771  {
1772    pthread_t thread;
1773    pthread_create(&thread, 0, f, 0);
1774    pthread_setname_np(thread, "QEMU");
1775    return 0;
1776  }''', dependencies: threads))
1777config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
1778  #include <pthread.h>
1779
1780  static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
1781  int main(void)
1782  {
1783    pthread_t thread;
1784    pthread_create(&thread, 0, f, 0);
1785    return 0;
1786  }''', dependencies: threads))
1787
1788config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
1789  #include <sys/signalfd.h>
1790  #include <stddef.h>
1791  int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
1792config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
1793  #include <unistd.h>
1794  #include <fcntl.h>
1795  #include <limits.h>
1796
1797  int main(void)
1798  {
1799    int len, fd = 0;
1800    len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
1801    splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
1802    return 0;
1803  }'''))
1804
1805config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
1806  #include <sys/mman.h>
1807  int main(int argc, char *argv[]) {
1808    return mlockall(MCL_FUTURE);
1809  }'''))
1810
1811have_l2tpv3 = false
1812if get_option('l2tpv3').allowed() and have_system
1813  have_l2tpv3 = cc.has_type('struct mmsghdr',
1814    prefix: gnu_source_prefix + '''
1815      #include <sys/socket.h>
1816      #include <linux/ip.h>''')
1817endif
1818config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
1819
1820have_netmap = false
1821if get_option('netmap').allowed() and have_system
1822  have_netmap = cc.compiles('''
1823    #include <inttypes.h>
1824    #include <net/if.h>
1825    #include <net/netmap.h>
1826    #include <net/netmap_user.h>
1827    #if (NETMAP_API < 11) || (NETMAP_API > 15)
1828    #error
1829    #endif
1830    int main(void) { return 0; }''')
1831  if not have_netmap and get_option('netmap').enabled()
1832    error('Netmap headers not available')
1833  endif
1834endif
1835config_host_data.set('CONFIG_NETMAP', have_netmap)
1836
1837# Work around a system header bug with some kernel/XFS header
1838# versions where they both try to define 'struct fsxattr':
1839# xfs headers will not try to redefine structs from linux headers
1840# if this macro is set.
1841config_host_data.set('HAVE_FSXATTR', cc.links('''
1842  #include <linux/fs.h>
1843  struct fsxattr foo;
1844  int main(void) {
1845    return 0;
1846  }'''))
1847
1848# Some versions of Mac OS X incorrectly define SIZE_MAX
1849config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
1850    #include <stdint.h>
1851    #include <stdio.h>
1852    int main(int argc, char *argv[]) {
1853        return printf("%zu", SIZE_MAX);
1854    }''', args: ['-Werror']))
1855
1856# See if 64-bit atomic operations are supported.
1857# Note that without __atomic builtins, we can only
1858# assume atomic loads/stores max at pointer size.
1859config_host_data.set('CONFIG_ATOMIC64', cc.links('''
1860  #include <stdint.h>
1861  int main(void)
1862  {
1863    uint64_t x = 0, y = 0;
1864    y = __atomic_load_n(&x, __ATOMIC_RELAXED);
1865    __atomic_store_n(&x, y, __ATOMIC_RELAXED);
1866    __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
1867    __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
1868    __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
1869    return 0;
1870  }'''))
1871
1872config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
1873  #include <sys/auxv.h>
1874  int main(void) {
1875    return getauxval(AT_HWCAP) == 0;
1876  }'''))
1877
1878have_cpuid_h = cc.links('''
1879  #include <cpuid.h>
1880  int main(void) {
1881    unsigned a, b, c, d;
1882    unsigned max = __get_cpuid_max(0, 0);
1883
1884    if (max >= 1) {
1885        __cpuid(1, a, b, c, d);
1886    }
1887
1888    if (max >= 7) {
1889        __cpuid_count(7, 0, a, b, c, d);
1890    }
1891
1892    return 0;
1893  }''')
1894config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
1895
1896config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
1897  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
1898  .require(cc.links('''
1899    #pragma GCC push_options
1900    #pragma GCC target("avx2")
1901    #include <cpuid.h>
1902    #include <immintrin.h>
1903    static int bar(void *a) {
1904      __m256i x = *(__m256i *)a;
1905      return _mm256_testz_si256(x, x);
1906    }
1907    int main(int argc, char *argv[]) { return bar(argv[0]); }
1908  '''), error_message: 'AVX2 not available').allowed())
1909
1910config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
1911  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
1912  .require(cc.links('''
1913    #pragma GCC push_options
1914    #pragma GCC target("avx512f")
1915    #include <cpuid.h>
1916    #include <immintrin.h>
1917    static int bar(void *a) {
1918      __m512i x = *(__m512i *)a;
1919      return _mm512_test_epi64_mask(x, x);
1920    }
1921    int main(int argc, char *argv[]) { return bar(argv[0]); }
1922  '''), error_message: 'AVX512F not available').allowed())
1923
1924if get_option('membarrier').disabled()
1925  have_membarrier = false
1926elif targetos == 'windows'
1927  have_membarrier = true
1928elif targetos == 'linux'
1929  have_membarrier = cc.compiles('''
1930    #include <linux/membarrier.h>
1931    #include <sys/syscall.h>
1932    #include <unistd.h>
1933    #include <stdlib.h>
1934    int main(void) {
1935        syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
1936        syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
1937        exit(0);
1938    }''')
1939endif
1940config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
1941  .require(have_membarrier, error_message: 'membarrier system call not available') \
1942  .allowed())
1943
1944have_afalg = get_option('crypto_afalg') \
1945  .require(cc.compiles(gnu_source_prefix + '''
1946    #include <errno.h>
1947    #include <sys/types.h>
1948    #include <sys/socket.h>
1949    #include <linux/if_alg.h>
1950    int main(void) {
1951      int sock;
1952      sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
1953      return sock;
1954    }
1955  '''), error_message: 'AF_ALG requested but could not be detected').allowed()
1956config_host_data.set('CONFIG_AF_ALG', have_afalg)
1957
1958config_host_data.set('CONFIG_AF_VSOCK', cc.compiles(gnu_source_prefix + '''
1959  #include <errno.h>
1960  #include <sys/types.h>
1961  #include <sys/socket.h>
1962  #if !defined(AF_VSOCK)
1963  # error missing AF_VSOCK flag
1964  #endif
1965  #include <linux/vm_sockets.h>
1966  int main(void) {
1967    int sock, ret;
1968    struct sockaddr_vm svm;
1969    socklen_t len = sizeof(svm);
1970    sock = socket(AF_VSOCK, SOCK_STREAM, 0);
1971    ret = getpeername(sock, (struct sockaddr *)&svm, &len);
1972    if ((ret == -1) && (errno == ENOTCONN)) {
1973        return 0;
1974    }
1975    return -1;
1976  }'''))
1977
1978have_vss = false
1979have_vss_sdk = false # old xp/2003 SDK
1980if targetos == 'windows' and link_language == 'cpp'
1981  have_vss = cxx.compiles('''
1982    #define __MIDL_user_allocate_free_DEFINED__
1983    #include <vss.h>
1984    int main(void) { return VSS_CTX_BACKUP; }''')
1985  have_vss_sdk = cxx.has_header('vscoordint.h')
1986endif
1987config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
1988
1989have_ntddscsi = false
1990if targetos == 'windows'
1991  have_ntddscsi = cc.compiles('''
1992    #include <windows.h>
1993    #include <ntddscsi.h>
1994    int main(void) {
1995    #if !defined(IOCTL_SCSI_GET_ADDRESS)
1996    #error Missing required ioctl definitions
1997    #endif
1998      SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
1999      return addr.Lun;
2000    }
2001''')
2002endif
2003config_host_data.set('HAVE_NTDDSCSI', have_ntddscsi)
2004
2005ignored = ['CONFIG_QEMU_INTERP_PREFIX', # actually per-target
2006    'HAVE_GDB_BIN']
2007arrays = ['CONFIG_BDRV_RW_WHITELIST', 'CONFIG_BDRV_RO_WHITELIST']
2008foreach k, v: config_host
2009  if ignored.contains(k)
2010    # do nothing
2011  elif arrays.contains(k)
2012    if v != ''
2013      v = '"' + '", "'.join(v.split()) + '", '
2014    endif
2015    config_host_data.set(k, v)
2016  elif k.startswith('CONFIG_')
2017    config_host_data.set(k, v == 'y' ? 1 : v)
2018  endif
2019endforeach
2020
2021########################
2022# Target configuration #
2023########################
2024
2025minikconf = find_program('scripts/minikconf.py')
2026config_all = {}
2027config_all_devices = {}
2028config_all_disas = {}
2029config_devices_mak_list = []
2030config_devices_h = {}
2031config_target_h = {}
2032config_target_mak = {}
2033
2034disassemblers = {
2035  'alpha' : ['CONFIG_ALPHA_DIS'],
2036  'arm' : ['CONFIG_ARM_DIS'],
2037  'avr' : ['CONFIG_AVR_DIS'],
2038  'cris' : ['CONFIG_CRIS_DIS'],
2039  'hexagon' : ['CONFIG_HEXAGON_DIS'],
2040  'hppa' : ['CONFIG_HPPA_DIS'],
2041  'i386' : ['CONFIG_I386_DIS'],
2042  'x86_64' : ['CONFIG_I386_DIS'],
2043  'm68k' : ['CONFIG_M68K_DIS'],
2044  'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2045  'mips' : ['CONFIG_MIPS_DIS'],
2046  'nios2' : ['CONFIG_NIOS2_DIS'],
2047  'or1k' : ['CONFIG_OPENRISC_DIS'],
2048  'ppc' : ['CONFIG_PPC_DIS'],
2049  'riscv' : ['CONFIG_RISCV_DIS'],
2050  'rx' : ['CONFIG_RX_DIS'],
2051  's390' : ['CONFIG_S390_DIS'],
2052  'sh4' : ['CONFIG_SH4_DIS'],
2053  'sparc' : ['CONFIG_SPARC_DIS'],
2054  'xtensa' : ['CONFIG_XTENSA_DIS'],
2055}
2056if link_language == 'cpp'
2057  disassemblers += {
2058    'aarch64' : [ 'CONFIG_ARM_A64_DIS'],
2059    'arm' : [ 'CONFIG_ARM_DIS', 'CONFIG_ARM_A64_DIS'],
2060    'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2061  }
2062endif
2063
2064have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2065host_kconfig = \
2066  (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2067  (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2068  (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2069  (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2070  ('CONFIG_OPENGL' in config_host ? ['CONFIG_OPENGL=y'] : []) + \
2071  (x11.found() ? ['CONFIG_X11=y'] : []) + \
2072  ('CONFIG_VHOST_USER' in config_host ? ['CONFIG_VHOST_USER=y'] : []) + \
2073  ('CONFIG_VHOST_VDPA' in config_host ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2074  ('CONFIG_VHOST_KERNEL' in config_host ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2075  (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2076  ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2077  ('CONFIG_PVRDMA' in config_host ? ['CONFIG_PVRDMA=y'] : []) + \
2078  (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : [])
2079
2080ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2081
2082default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2083actual_target_dirs = []
2084fdt_required = []
2085foreach target : target_dirs
2086  config_target = { 'TARGET_NAME': target.split('-')[0] }
2087  if target.endswith('linux-user')
2088    if targetos != 'linux'
2089      if default_targets
2090        continue
2091      endif
2092      error('Target @0@ is only available on a Linux host'.format(target))
2093    endif
2094    config_target += { 'CONFIG_LINUX_USER': 'y' }
2095  elif target.endswith('bsd-user')
2096    if 'CONFIG_BSD' not in config_host
2097      if default_targets
2098        continue
2099      endif
2100      error('Target @0@ is only available on a BSD host'.format(target))
2101    endif
2102    config_target += { 'CONFIG_BSD_USER': 'y' }
2103  elif target.endswith('softmmu')
2104    config_target += { 'CONFIG_SOFTMMU': 'y' }
2105  endif
2106  if target.endswith('-user')
2107    config_target += {
2108      'CONFIG_USER_ONLY': 'y',
2109      'CONFIG_QEMU_INTERP_PREFIX':
2110        config_host['CONFIG_QEMU_INTERP_PREFIX'].format(config_target['TARGET_NAME'])
2111    }
2112  endif
2113
2114  accel_kconfig = []
2115  foreach sym: accelerators
2116    if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2117      config_target += { sym: 'y' }
2118      config_all += { sym: 'y' }
2119      if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
2120        config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
2121      elif sym == 'CONFIG_XEN' and have_xen_pci_passthrough
2122        config_target += { 'CONFIG_XEN_PCI_PASSTHROUGH': 'y' }
2123      endif
2124      if target in modular_tcg
2125        config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2126      else
2127        config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2128      endif
2129      accel_kconfig += [ sym + '=y' ]
2130    endif
2131  endforeach
2132  if accel_kconfig.length() == 0
2133    if default_targets
2134      continue
2135    endif
2136    error('No accelerator available for target @0@'.format(target))
2137  endif
2138
2139  actual_target_dirs += target
2140  config_target += keyval.load('configs/targets' / target + '.mak')
2141  config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2142
2143  if 'TARGET_NEED_FDT' in config_target
2144    fdt_required += target
2145  endif
2146
2147  # Add default keys
2148  if 'TARGET_BASE_ARCH' not in config_target
2149    config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2150  endif
2151  if 'TARGET_ABI_DIR' not in config_target
2152    config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2153  endif
2154
2155  foreach k, v: disassemblers
2156    if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2157      foreach sym: v
2158        config_target += { sym: 'y' }
2159        config_all_disas += { sym: 'y' }
2160      endforeach
2161    endif
2162  endforeach
2163
2164  config_target_data = configuration_data()
2165  foreach k, v: config_target
2166    if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2167      # do nothing
2168    elif ignored.contains(k)
2169      # do nothing
2170    elif k == 'TARGET_BASE_ARCH'
2171      # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2172      # not used to select files from sourcesets.
2173      config_target_data.set('TARGET_' + v.to_upper(), 1)
2174    elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2175      config_target_data.set_quoted(k, v)
2176    elif v == 'y'
2177      config_target_data.set(k, 1)
2178    else
2179      config_target_data.set(k, v)
2180    endif
2181  endforeach
2182  config_target_data.set('QEMU_ARCH',
2183                         'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2184  config_target_h += {target: configure_file(output: target + '-config-target.h',
2185                                               configuration: config_target_data)}
2186
2187  if target.endswith('-softmmu')
2188    config_input = meson.get_external_property(target, 'default')
2189    config_devices_mak = target + '-config-devices.mak'
2190    config_devices_mak = configure_file(
2191      input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2192      output: config_devices_mak,
2193      depfile: config_devices_mak + '.d',
2194      capture: true,
2195      command: [minikconf,
2196                get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2197                config_devices_mak, '@DEPFILE@', '@INPUT@',
2198                host_kconfig, accel_kconfig,
2199                'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2200
2201    config_devices_data = configuration_data()
2202    config_devices = keyval.load(config_devices_mak)
2203    foreach k, v: config_devices
2204      config_devices_data.set(k, 1)
2205    endforeach
2206    config_devices_mak_list += config_devices_mak
2207    config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2208                                                configuration: config_devices_data)}
2209    config_target += config_devices
2210    config_all_devices += config_devices
2211  endif
2212  config_target_mak += {target: config_target}
2213endforeach
2214target_dirs = actual_target_dirs
2215
2216# This configuration is used to build files that are shared by
2217# multiple binaries, and then extracted out of the "common"
2218# static_library target.
2219#
2220# We do not use all_sources()/all_dependencies(), because it would
2221# build literally all source files, including devices only used by
2222# targets that are not built for this compilation.  The CONFIG_ALL
2223# pseudo symbol replaces it.
2224
2225config_all += config_all_devices
2226config_all += config_host
2227config_all += config_all_disas
2228config_all += {
2229  'CONFIG_XEN': config_host.has_key('CONFIG_XEN_BACKEND'),
2230  'CONFIG_SOFTMMU': have_system,
2231  'CONFIG_USER_ONLY': have_user,
2232  'CONFIG_ALL': true,
2233}
2234
2235target_configs_h = []
2236foreach target: target_dirs
2237  target_configs_h += config_target_h[target]
2238  target_configs_h += config_devices_h.get(target, [])
2239endforeach
2240genh += custom_target('config-poison.h',
2241                      input: [target_configs_h],
2242                      output: 'config-poison.h',
2243                      capture: true,
2244                      command: [find_program('scripts/make-config-poison.sh'),
2245                                target_configs_h])
2246
2247##############
2248# Submodules #
2249##############
2250
2251capstone = not_found
2252capstone_opt = get_option('capstone')
2253if capstone_opt in ['enabled', 'auto', 'system']
2254  have_internal = fs.exists(meson.current_source_dir() / 'capstone/Makefile')
2255  capstone = dependency('capstone', version: '>=4.0',
2256                        kwargs: static_kwargs, method: 'pkg-config',
2257                        required: capstone_opt == 'system' or
2258                                  capstone_opt == 'enabled' and not have_internal)
2259
2260  # Some versions of capstone have broken pkg-config file
2261  # that reports a wrong -I path, causing the #include to
2262  # fail later. If the system has such a broken version
2263  # do not use it.
2264  if capstone.found() and not cc.compiles('#include <capstone.h>',
2265                                          dependencies: [capstone])
2266    capstone = not_found
2267    if capstone_opt == 'system'
2268      error('system capstone requested, it does not appear to work')
2269    endif
2270  endif
2271
2272  if capstone.found()
2273    capstone_opt = 'system'
2274  elif have_internal
2275    capstone_opt = 'internal'
2276  else
2277    capstone_opt = 'disabled'
2278  endif
2279endif
2280if capstone_opt == 'internal'
2281  capstone_data = configuration_data()
2282  capstone_data.set('CAPSTONE_USE_SYS_DYN_MEM', '1')
2283
2284  capstone_files = files(
2285    'capstone/cs.c',
2286    'capstone/MCInst.c',
2287    'capstone/MCInstrDesc.c',
2288    'capstone/MCRegisterInfo.c',
2289    'capstone/SStream.c',
2290    'capstone/utils.c'
2291  )
2292
2293  if 'CONFIG_ARM_DIS' in config_all_disas
2294    capstone_data.set('CAPSTONE_HAS_ARM', '1')
2295    capstone_files += files(
2296      'capstone/arch/ARM/ARMDisassembler.c',
2297      'capstone/arch/ARM/ARMInstPrinter.c',
2298      'capstone/arch/ARM/ARMMapping.c',
2299      'capstone/arch/ARM/ARMModule.c'
2300    )
2301  endif
2302
2303  # FIXME: This config entry currently depends on a c++ compiler.
2304  # Which is needed for building libvixl, but not for capstone.
2305  if 'CONFIG_ARM_A64_DIS' in config_all_disas
2306    capstone_data.set('CAPSTONE_HAS_ARM64', '1')
2307    capstone_files += files(
2308      'capstone/arch/AArch64/AArch64BaseInfo.c',
2309      'capstone/arch/AArch64/AArch64Disassembler.c',
2310      'capstone/arch/AArch64/AArch64InstPrinter.c',
2311      'capstone/arch/AArch64/AArch64Mapping.c',
2312      'capstone/arch/AArch64/AArch64Module.c'
2313    )
2314  endif
2315
2316  if 'CONFIG_PPC_DIS' in config_all_disas
2317    capstone_data.set('CAPSTONE_HAS_POWERPC', '1')
2318    capstone_files += files(
2319      'capstone/arch/PowerPC/PPCDisassembler.c',
2320      'capstone/arch/PowerPC/PPCInstPrinter.c',
2321      'capstone/arch/PowerPC/PPCMapping.c',
2322      'capstone/arch/PowerPC/PPCModule.c'
2323    )
2324  endif
2325
2326  if 'CONFIG_S390_DIS' in config_all_disas
2327    capstone_data.set('CAPSTONE_HAS_SYSZ', '1')
2328    capstone_files += files(
2329      'capstone/arch/SystemZ/SystemZDisassembler.c',
2330      'capstone/arch/SystemZ/SystemZInstPrinter.c',
2331      'capstone/arch/SystemZ/SystemZMapping.c',
2332      'capstone/arch/SystemZ/SystemZModule.c',
2333      'capstone/arch/SystemZ/SystemZMCTargetDesc.c'
2334    )
2335  endif
2336
2337  if 'CONFIG_I386_DIS' in config_all_disas
2338    capstone_data.set('CAPSTONE_HAS_X86', 1)
2339    capstone_files += files(
2340      'capstone/arch/X86/X86Disassembler.c',
2341      'capstone/arch/X86/X86DisassemblerDecoder.c',
2342      'capstone/arch/X86/X86ATTInstPrinter.c',
2343      'capstone/arch/X86/X86IntelInstPrinter.c',
2344      'capstone/arch/X86/X86InstPrinterCommon.c',
2345      'capstone/arch/X86/X86Mapping.c',
2346      'capstone/arch/X86/X86Module.c'
2347    )
2348  endif
2349
2350  configure_file(output: 'capstone-defs.h', configuration: capstone_data)
2351
2352  capstone_cargs = [
2353    # FIXME: There does not seem to be a way to completely replace the c_args
2354    # that come from add_project_arguments() -- we can only add to them.
2355    # So: disable all warnings with a big hammer.
2356    '-Wno-error', '-w',
2357
2358    # Include all configuration defines via a header file, which will wind up
2359    # as a dependency on the object file, and thus changes here will result
2360    # in a rebuild.
2361    '-include', 'capstone-defs.h'
2362  ]
2363
2364  libcapstone = static_library('capstone',
2365                               build_by_default: false,
2366                               sources: capstone_files,
2367                               c_args: capstone_cargs,
2368                               include_directories: 'capstone/include')
2369  capstone = declare_dependency(link_with: libcapstone,
2370                                include_directories: 'capstone/include/capstone')
2371endif
2372
2373slirp = not_found
2374slirp_opt = 'disabled'
2375if have_system
2376  slirp_opt = get_option('slirp')
2377  if slirp_opt in ['enabled', 'auto', 'system']
2378    have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
2379    slirp = dependency('slirp', kwargs: static_kwargs,
2380                       method: 'pkg-config',
2381                       required: slirp_opt == 'system' or
2382                                 slirp_opt == 'enabled' and not have_internal)
2383    if slirp.found()
2384      slirp_opt = 'system'
2385    elif have_internal
2386      slirp_opt = 'internal'
2387    else
2388      slirp_opt = 'disabled'
2389    endif
2390  endif
2391  if slirp_opt == 'internal'
2392    slirp_deps = []
2393    if targetos == 'windows'
2394      slirp_deps = cc.find_library('iphlpapi')
2395    elif targetos == 'darwin'
2396      slirp_deps = cc.find_library('resolv')
2397    endif
2398    slirp_conf = configuration_data()
2399    slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
2400    slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
2401    slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
2402    slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
2403    slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
2404    slirp_files = [
2405      'slirp/src/arp_table.c',
2406      'slirp/src/bootp.c',
2407      'slirp/src/cksum.c',
2408      'slirp/src/dhcpv6.c',
2409      'slirp/src/dnssearch.c',
2410      'slirp/src/if.c',
2411      'slirp/src/ip6_icmp.c',
2412      'slirp/src/ip6_input.c',
2413      'slirp/src/ip6_output.c',
2414      'slirp/src/ip_icmp.c',
2415      'slirp/src/ip_input.c',
2416      'slirp/src/ip_output.c',
2417      'slirp/src/mbuf.c',
2418      'slirp/src/misc.c',
2419      'slirp/src/ncsi.c',
2420      'slirp/src/ndp_table.c',
2421      'slirp/src/sbuf.c',
2422      'slirp/src/slirp.c',
2423      'slirp/src/socket.c',
2424      'slirp/src/state.c',
2425      'slirp/src/stream.c',
2426      'slirp/src/tcp_input.c',
2427      'slirp/src/tcp_output.c',
2428      'slirp/src/tcp_subr.c',
2429      'slirp/src/tcp_timer.c',
2430      'slirp/src/tftp.c',
2431      'slirp/src/udp.c',
2432      'slirp/src/udp6.c',
2433      'slirp/src/util.c',
2434      'slirp/src/version.c',
2435      'slirp/src/vmstate.c',
2436    ]
2437
2438    configure_file(
2439      input : 'slirp/src/libslirp-version.h.in',
2440      output : 'libslirp-version.h',
2441      configuration: slirp_conf)
2442
2443    slirp_inc = include_directories('slirp', 'slirp/src')
2444    libslirp = static_library('slirp',
2445                              build_by_default: false,
2446                              sources: slirp_files,
2447                              c_args: slirp_cargs,
2448                              include_directories: slirp_inc)
2449    slirp = declare_dependency(link_with: libslirp,
2450                               dependencies: slirp_deps,
2451                               include_directories: slirp_inc)
2452  endif
2453endif
2454
2455# For CFI, we need to compile slirp as a static library together with qemu.
2456# This is because we register slirp functions as callbacks for QEMU Timers.
2457# When using a system-wide shared libslirp, the type information for the
2458# callback is missing and the timer call produces a false positive with CFI.
2459#
2460# Now that slirp_opt has been defined, check if the selected slirp is compatible
2461# with control-flow integrity.
2462if get_option('cfi') and slirp_opt == 'system'
2463  error('Control-Flow Integrity is not compatible with system-wide slirp.' \
2464         + ' Please configure with --enable-slirp=git')
2465endif
2466
2467fdt = not_found
2468if have_system
2469  fdt_opt = get_option('fdt')
2470  if fdt_opt in ['enabled', 'auto', 'system']
2471    have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2472    fdt = cc.find_library('fdt', kwargs: static_kwargs,
2473                          required: fdt_opt == 'system' or
2474                                    fdt_opt == 'enabled' and not have_internal)
2475    if fdt.found() and cc.links('''
2476       #include <libfdt.h>
2477       #include <libfdt_env.h>
2478       int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2479         dependencies: fdt)
2480      fdt_opt = 'system'
2481    elif fdt_opt == 'system'
2482       error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2483    elif have_internal
2484      fdt_opt = 'internal'
2485    else
2486      fdt_opt = 'disabled'
2487      fdt = not_found
2488    endif
2489  endif
2490  if fdt_opt == 'internal'
2491    fdt_files = files(
2492      'dtc/libfdt/fdt.c',
2493      'dtc/libfdt/fdt_ro.c',
2494      'dtc/libfdt/fdt_wip.c',
2495      'dtc/libfdt/fdt_sw.c',
2496      'dtc/libfdt/fdt_rw.c',
2497      'dtc/libfdt/fdt_strerror.c',
2498      'dtc/libfdt/fdt_empty_tree.c',
2499      'dtc/libfdt/fdt_addresses.c',
2500      'dtc/libfdt/fdt_overlay.c',
2501      'dtc/libfdt/fdt_check.c',
2502    )
2503
2504    fdt_inc = include_directories('dtc/libfdt')
2505    libfdt = static_library('fdt',
2506                            build_by_default: false,
2507                            sources: fdt_files,
2508                            include_directories: fdt_inc)
2509    fdt = declare_dependency(link_with: libfdt,
2510                             include_directories: fdt_inc)
2511  endif
2512else
2513  fdt_opt = 'disabled'
2514endif
2515if not fdt.found() and fdt_required.length() > 0
2516  error('fdt not available but required by targets ' + ', '.join(fdt_required))
2517endif
2518
2519config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2520config_host_data.set('CONFIG_FDT', fdt.found())
2521config_host_data.set('CONFIG_SLIRP', slirp.found())
2522
2523#####################
2524# Generated sources #
2525#####################
2526
2527genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2528
2529hxtool = find_program('scripts/hxtool')
2530shaderinclude = find_program('scripts/shaderinclude.pl')
2531qapi_gen = find_program('scripts/qapi-gen.py')
2532qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2533                     meson.current_source_dir() / 'scripts/qapi/commands.py',
2534                     meson.current_source_dir() / 'scripts/qapi/common.py',
2535                     meson.current_source_dir() / 'scripts/qapi/error.py',
2536                     meson.current_source_dir() / 'scripts/qapi/events.py',
2537                     meson.current_source_dir() / 'scripts/qapi/expr.py',
2538                     meson.current_source_dir() / 'scripts/qapi/gen.py',
2539                     meson.current_source_dir() / 'scripts/qapi/introspect.py',
2540                     meson.current_source_dir() / 'scripts/qapi/parser.py',
2541                     meson.current_source_dir() / 'scripts/qapi/schema.py',
2542                     meson.current_source_dir() / 'scripts/qapi/source.py',
2543                     meson.current_source_dir() / 'scripts/qapi/types.py',
2544                     meson.current_source_dir() / 'scripts/qapi/visit.py',
2545                     meson.current_source_dir() / 'scripts/qapi/common.py',
2546                     meson.current_source_dir() / 'scripts/qapi-gen.py'
2547]
2548
2549tracetool = [
2550  python, files('scripts/tracetool.py'),
2551   '--backend=' + ','.join(get_option('trace_backends'))
2552]
2553tracetool_depends = files(
2554  'scripts/tracetool/backend/log.py',
2555  'scripts/tracetool/backend/__init__.py',
2556  'scripts/tracetool/backend/dtrace.py',
2557  'scripts/tracetool/backend/ftrace.py',
2558  'scripts/tracetool/backend/simple.py',
2559  'scripts/tracetool/backend/syslog.py',
2560  'scripts/tracetool/backend/ust.py',
2561  'scripts/tracetool/format/ust_events_c.py',
2562  'scripts/tracetool/format/ust_events_h.py',
2563  'scripts/tracetool/format/__init__.py',
2564  'scripts/tracetool/format/d.py',
2565  'scripts/tracetool/format/simpletrace_stap.py',
2566  'scripts/tracetool/format/c.py',
2567  'scripts/tracetool/format/h.py',
2568  'scripts/tracetool/format/log_stap.py',
2569  'scripts/tracetool/format/stap.py',
2570  'scripts/tracetool/__init__.py',
2571  'scripts/tracetool/transform.py',
2572  'scripts/tracetool/vcpu.py'
2573)
2574
2575qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2576                    meson.current_source_dir(),
2577                    config_host['PKGVERSION'], meson.project_version()]
2578qemu_version = custom_target('qemu-version.h',
2579                             output: 'qemu-version.h',
2580                             command: qemu_version_cmd,
2581                             capture: true,
2582                             build_by_default: true,
2583                             build_always_stale: true)
2584genh += qemu_version
2585
2586hxdep = []
2587hx_headers = [
2588  ['qemu-options.hx', 'qemu-options.def'],
2589  ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2590]
2591if have_system
2592  hx_headers += [
2593    ['hmp-commands.hx', 'hmp-commands.h'],
2594    ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2595  ]
2596endif
2597foreach d : hx_headers
2598  hxdep += custom_target(d[1],
2599                input: files(d[0]),
2600                output: d[1],
2601                capture: true,
2602                build_by_default: true, # to be removed when added to a target
2603                command: [hxtool, '-h', '@INPUT0@'])
2604endforeach
2605genh += hxdep
2606
2607###################
2608# Collect sources #
2609###################
2610
2611authz_ss = ss.source_set()
2612blockdev_ss = ss.source_set()
2613block_ss = ss.source_set()
2614chardev_ss = ss.source_set()
2615common_ss = ss.source_set()
2616crypto_ss = ss.source_set()
2617hwcore_ss = ss.source_set()
2618io_ss = ss.source_set()
2619qmp_ss = ss.source_set()
2620qom_ss = ss.source_set()
2621softmmu_ss = ss.source_set()
2622specific_fuzz_ss = ss.source_set()
2623specific_ss = ss.source_set()
2624stub_ss = ss.source_set()
2625trace_ss = ss.source_set()
2626user_ss = ss.source_set()
2627util_ss = ss.source_set()
2628
2629# accel modules
2630qtest_module_ss = ss.source_set()
2631tcg_module_ss = ss.source_set()
2632
2633modules = {}
2634target_modules = {}
2635hw_arch = {}
2636target_arch = {}
2637target_softmmu_arch = {}
2638target_user_arch = {}
2639
2640###############
2641# Trace files #
2642###############
2643
2644# TODO: add each directory to the subdirs from its own meson.build, once
2645# we have those
2646trace_events_subdirs = [
2647  'crypto',
2648  'qapi',
2649  'qom',
2650  'monitor',
2651  'util',
2652]
2653if have_linux_user
2654  trace_events_subdirs += [ 'linux-user' ]
2655endif
2656if have_bsd_user
2657  trace_events_subdirs += [ 'bsd-user' ]
2658endif
2659if have_block
2660  trace_events_subdirs += [
2661    'authz',
2662    'block',
2663    'io',
2664    'nbd',
2665    'scsi',
2666  ]
2667endif
2668if have_system
2669  trace_events_subdirs += [
2670    'accel/kvm',
2671    'audio',
2672    'backends',
2673    'backends/tpm',
2674    'chardev',
2675    'ebpf',
2676    'hw/9pfs',
2677    'hw/acpi',
2678    'hw/adc',
2679    'hw/alpha',
2680    'hw/arm',
2681    'hw/audio',
2682    'hw/block',
2683    'hw/block/dataplane',
2684    'hw/char',
2685    'hw/display',
2686    'hw/dma',
2687    'hw/hppa',
2688    'hw/hyperv',
2689    'hw/i2c',
2690    'hw/i386',
2691    'hw/i386/xen',
2692    'hw/ide',
2693    'hw/input',
2694    'hw/intc',
2695    'hw/isa',
2696    'hw/mem',
2697    'hw/mips',
2698    'hw/misc',
2699    'hw/misc/macio',
2700    'hw/net',
2701    'hw/net/can',
2702    'hw/nubus',
2703    'hw/nvme',
2704    'hw/nvram',
2705    'hw/pci',
2706    'hw/pci-host',
2707    'hw/ppc',
2708    'hw/rdma',
2709    'hw/rdma/vmw',
2710    'hw/rtc',
2711    'hw/s390x',
2712    'hw/scsi',
2713    'hw/sd',
2714    'hw/sh4',
2715    'hw/sparc',
2716    'hw/sparc64',
2717    'hw/ssi',
2718    'hw/timer',
2719    'hw/tpm',
2720    'hw/usb',
2721    'hw/vfio',
2722    'hw/virtio',
2723    'hw/watchdog',
2724    'hw/xen',
2725    'hw/gpio',
2726    'migration',
2727    'net',
2728    'softmmu',
2729    'ui',
2730    'hw/remote',
2731  ]
2732endif
2733if have_system or have_user
2734  trace_events_subdirs += [
2735    'accel/tcg',
2736    'hw/core',
2737    'target/arm',
2738    'target/arm/hvf',
2739    'target/hppa',
2740    'target/i386',
2741    'target/i386/kvm',
2742    'target/mips/tcg',
2743    'target/nios2',
2744    'target/ppc',
2745    'target/riscv',
2746    'target/s390x',
2747    'target/s390x/kvm',
2748    'target/sparc',
2749  ]
2750endif
2751
2752vhost_user = not_found
2753if targetos == 'linux' and 'CONFIG_VHOST_USER' in config_host
2754  libvhost_user = subproject('libvhost-user')
2755  vhost_user = libvhost_user.get_variable('vhost_user_dep')
2756endif
2757
2758# NOTE: the trace/ subdirectory needs the qapi_trace_events variable
2759# that is filled in by qapi/.
2760subdir('qapi')
2761subdir('qobject')
2762subdir('stubs')
2763subdir('trace')
2764subdir('util')
2765subdir('qom')
2766subdir('authz')
2767subdir('crypto')
2768subdir('ui')
2769
2770
2771if enable_modules
2772  libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
2773  modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
2774endif
2775
2776stub_ss = stub_ss.apply(config_all, strict: false)
2777
2778util_ss.add_all(trace_ss)
2779util_ss = util_ss.apply(config_all, strict: false)
2780libqemuutil = static_library('qemuutil',
2781                             sources: util_ss.sources() + stub_ss.sources() + genh,
2782                             dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
2783qemuutil = declare_dependency(link_with: libqemuutil,
2784                              sources: genh + version_res)
2785
2786if have_system or have_user
2787  decodetree = generator(find_program('scripts/decodetree.py'),
2788                         output: 'decode-@BASENAME@.c.inc',
2789                         arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
2790  subdir('libdecnumber')
2791  subdir('target')
2792endif
2793
2794subdir('audio')
2795subdir('io')
2796subdir('chardev')
2797subdir('fsdev')
2798subdir('dump')
2799
2800if have_block
2801  block_ss.add(files(
2802    'block.c',
2803    'blockjob.c',
2804    'job.c',
2805    'qemu-io-cmds.c',
2806  ))
2807  if config_host_data.get('CONFIG_REPLICATION')
2808    block_ss.add(files('replication.c'))
2809  endif
2810
2811  subdir('nbd')
2812  subdir('scsi')
2813  subdir('block')
2814
2815  blockdev_ss.add(files(
2816    'blockdev.c',
2817    'blockdev-nbd.c',
2818    'iothread.c',
2819    'job-qmp.c',
2820  ), gnutls)
2821
2822  # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
2823  # os-win32.c does not
2824  blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
2825  softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
2826endif
2827
2828common_ss.add(files('cpus-common.c'))
2829
2830subdir('softmmu')
2831
2832common_ss.add(capstone)
2833specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
2834
2835# Work around a gcc bug/misfeature wherein constant propagation looks
2836# through an alias:
2837#   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
2838# to guess that a const variable is always zero.  Without lto, this is
2839# impossible, as the alias is restricted to page-vary-common.c.  Indeed,
2840# without lto, not even the alias is required -- we simply use different
2841# declarations in different compilation units.
2842pagevary = files('page-vary-common.c')
2843if get_option('b_lto')
2844  pagevary_flags = ['-fno-lto']
2845  if get_option('cfi')
2846    pagevary_flags += '-fno-sanitize=cfi-icall'
2847  endif
2848  pagevary = static_library('page-vary-common', sources: pagevary,
2849                            c_args: pagevary_flags)
2850  pagevary = declare_dependency(link_with: pagevary)
2851endif
2852common_ss.add(pagevary)
2853specific_ss.add(files('page-vary.c'))
2854
2855subdir('backends')
2856subdir('disas')
2857subdir('migration')
2858subdir('monitor')
2859subdir('net')
2860subdir('replay')
2861subdir('semihosting')
2862subdir('hw')
2863subdir('tcg')
2864subdir('fpu')
2865subdir('accel')
2866subdir('plugins')
2867subdir('ebpf')
2868
2869common_user_inc = []
2870
2871subdir('common-user')
2872subdir('bsd-user')
2873subdir('linux-user')
2874
2875# needed for fuzzing binaries
2876subdir('tests/qtest/libqos')
2877subdir('tests/qtest/fuzz')
2878
2879# accel modules
2880tcg_real_module_ss = ss.source_set()
2881tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
2882specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
2883target_modules += { 'accel' : { 'qtest': qtest_module_ss,
2884                                'tcg': tcg_real_module_ss }}
2885
2886########################
2887# Library dependencies #
2888########################
2889
2890modinfo_collect = find_program('scripts/modinfo-collect.py')
2891modinfo_generate = find_program('scripts/modinfo-generate.py')
2892modinfo_files = []
2893
2894block_mods = []
2895softmmu_mods = []
2896foreach d, list : modules
2897  foreach m, module_ss : list
2898    if enable_modules and targetos != 'windows'
2899      module_ss = module_ss.apply(config_all, strict: false)
2900      sl = static_library(d + '-' + m, [genh, module_ss.sources()],
2901                          dependencies: [modulecommon, module_ss.dependencies()], pic: true)
2902      if d == 'block'
2903        block_mods += sl
2904      else
2905        softmmu_mods += sl
2906      endif
2907      if module_ss.sources() != []
2908        # FIXME: Should use sl.extract_all_objects(recursive: true) as
2909        # input. Sources can be used multiple times but objects are
2910        # unique when it comes to lookup in compile_commands.json.
2911        # Depnds on a mesion version with
2912        # https://github.com/mesonbuild/meson/pull/8900
2913        modinfo_files += custom_target(d + '-' + m + '.modinfo',
2914                                       output: d + '-' + m + '.modinfo',
2915                                       input: module_ss.sources() + genh,
2916                                       capture: true,
2917                                       command: [modinfo_collect, module_ss.sources()])
2918      endif
2919    else
2920      if d == 'block'
2921        block_ss.add_all(module_ss)
2922      else
2923        softmmu_ss.add_all(module_ss)
2924      endif
2925    endif
2926  endforeach
2927endforeach
2928
2929foreach d, list : target_modules
2930  foreach m, module_ss : list
2931    if enable_modules and targetos != 'windows'
2932      foreach target : target_dirs
2933        if target.endswith('-softmmu')
2934          config_target = config_target_mak[target]
2935          config_target += config_host
2936          target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
2937          c_args = ['-DNEED_CPU_H',
2938                    '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
2939                    '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
2940          target_module_ss = module_ss.apply(config_target, strict: false)
2941          if target_module_ss.sources() != []
2942            module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
2943            sl = static_library(module_name,
2944                                [genh, target_module_ss.sources()],
2945                                dependencies: [modulecommon, target_module_ss.dependencies()],
2946                                include_directories: target_inc,
2947                                c_args: c_args,
2948                                pic: true)
2949            softmmu_mods += sl
2950            # FIXME: Should use sl.extract_all_objects(recursive: true) too.
2951            modinfo_files += custom_target(module_name + '.modinfo',
2952                                           output: module_name + '.modinfo',
2953                                           input: target_module_ss.sources() + genh,
2954                                           capture: true,
2955                                           command: [modinfo_collect, '--target', target, target_module_ss.sources()])
2956          endif
2957        endif
2958      endforeach
2959    else
2960      specific_ss.add_all(module_ss)
2961    endif
2962  endforeach
2963endforeach
2964
2965if enable_modules
2966  modinfo_src = custom_target('modinfo.c',
2967                              output: 'modinfo.c',
2968                              input: modinfo_files,
2969                              command: [modinfo_generate, '@INPUT@'],
2970                              capture: true)
2971  modinfo_lib = static_library('modinfo', modinfo_src)
2972  modinfo_dep = declare_dependency(link_whole: modinfo_lib)
2973  softmmu_ss.add(modinfo_dep)
2974endif
2975
2976nm = find_program('nm')
2977undefsym = find_program('scripts/undefsym.py')
2978block_syms = custom_target('block.syms', output: 'block.syms',
2979                             input: [libqemuutil, block_mods],
2980                             capture: true,
2981                             command: [undefsym, nm, '@INPUT@'])
2982qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
2983                             input: [libqemuutil, softmmu_mods],
2984                             capture: true,
2985                             command: [undefsym, nm, '@INPUT@'])
2986
2987qom_ss = qom_ss.apply(config_host, strict: false)
2988libqom = static_library('qom', qom_ss.sources() + genh,
2989                        dependencies: [qom_ss.dependencies()],
2990                        name_suffix: 'fa')
2991
2992qom = declare_dependency(link_whole: libqom)
2993
2994authz_ss = authz_ss.apply(config_host, strict: false)
2995libauthz = static_library('authz', authz_ss.sources() + genh,
2996                          dependencies: [authz_ss.dependencies()],
2997                          name_suffix: 'fa',
2998                          build_by_default: false)
2999
3000authz = declare_dependency(link_whole: libauthz,
3001                           dependencies: qom)
3002
3003crypto_ss = crypto_ss.apply(config_host, strict: false)
3004libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3005                           dependencies: [crypto_ss.dependencies()],
3006                           name_suffix: 'fa',
3007                           build_by_default: false)
3008
3009crypto = declare_dependency(link_whole: libcrypto,
3010                            dependencies: [authz, qom])
3011
3012io_ss = io_ss.apply(config_host, strict: false)
3013libio = static_library('io', io_ss.sources() + genh,
3014                       dependencies: [io_ss.dependencies()],
3015                       link_with: libqemuutil,
3016                       name_suffix: 'fa',
3017                       build_by_default: false)
3018
3019io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3020
3021libmigration = static_library('migration', sources: migration_files + genh,
3022                              name_suffix: 'fa',
3023                              build_by_default: false)
3024migration = declare_dependency(link_with: libmigration,
3025                               dependencies: [zlib, qom, io])
3026softmmu_ss.add(migration)
3027
3028block_ss = block_ss.apply(config_host, strict: false)
3029libblock = static_library('block', block_ss.sources() + genh,
3030                          dependencies: block_ss.dependencies(),
3031                          link_depends: block_syms,
3032                          name_suffix: 'fa',
3033                          build_by_default: false)
3034
3035block = declare_dependency(link_whole: [libblock],
3036                           link_args: '@block.syms',
3037                           dependencies: [crypto, io])
3038
3039blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3040libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3041                             dependencies: blockdev_ss.dependencies(),
3042                             name_suffix: 'fa',
3043                             build_by_default: false)
3044
3045blockdev = declare_dependency(link_whole: [libblockdev],
3046                              dependencies: [block])
3047
3048qmp_ss = qmp_ss.apply(config_host, strict: false)
3049libqmp = static_library('qmp', qmp_ss.sources() + genh,
3050                        dependencies: qmp_ss.dependencies(),
3051                        name_suffix: 'fa',
3052                        build_by_default: false)
3053
3054qmp = declare_dependency(link_whole: [libqmp])
3055
3056libchardev = static_library('chardev', chardev_ss.sources() + genh,
3057                            name_suffix: 'fa',
3058                            dependencies: [gnutls],
3059                            build_by_default: false)
3060
3061chardev = declare_dependency(link_whole: libchardev)
3062
3063hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3064libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3065                           name_suffix: 'fa',
3066                           build_by_default: false)
3067hwcore = declare_dependency(link_whole: libhwcore)
3068common_ss.add(hwcore)
3069
3070###########
3071# Targets #
3072###########
3073
3074emulator_modules = []
3075foreach m : block_mods + softmmu_mods
3076  emulator_modules += shared_module(m.name(),
3077                build_by_default: true,
3078                name_prefix: '',
3079                link_whole: m,
3080                install: true,
3081                install_dir: qemu_moddir)
3082endforeach
3083
3084softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3085common_ss.add(qom, qemuutil)
3086
3087common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3088common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3089
3090common_all = common_ss.apply(config_all, strict: false)
3091common_all = static_library('common',
3092                            build_by_default: false,
3093                            sources: common_all.sources() + genh,
3094                            include_directories: common_user_inc,
3095                            implicit_include_directories: false,
3096                            dependencies: common_all.dependencies(),
3097                            name_suffix: 'fa')
3098
3099feature_to_c = find_program('scripts/feature_to_c.sh')
3100
3101if targetos == 'darwin'
3102  entitlement = find_program('scripts/entitlement.sh')
3103endif
3104
3105emulators = {}
3106foreach target : target_dirs
3107  config_target = config_target_mak[target]
3108  target_name = config_target['TARGET_NAME']
3109  target_base_arch = config_target['TARGET_BASE_ARCH']
3110  arch_srcs = [config_target_h[target]]
3111  arch_deps = []
3112  c_args = ['-DNEED_CPU_H',
3113            '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3114            '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3115  link_args = emulator_link_args
3116
3117  config_target += config_host
3118  target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3119  if targetos == 'linux'
3120    target_inc += include_directories('linux-headers', is_system: true)
3121  endif
3122  if target.endswith('-softmmu')
3123    qemu_target_name = 'qemu-system-' + target_name
3124    target_type='system'
3125    t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3126    arch_srcs += t.sources()
3127    arch_deps += t.dependencies()
3128
3129    hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3130    hw = hw_arch[hw_dir].apply(config_target, strict: false)
3131    arch_srcs += hw.sources()
3132    arch_deps += hw.dependencies()
3133
3134    arch_srcs += config_devices_h[target]
3135    link_args += ['@block.syms', '@qemu.syms']
3136  else
3137    abi = config_target['TARGET_ABI_DIR']
3138    target_type='user'
3139    target_inc += common_user_inc
3140    qemu_target_name = 'qemu-' + target_name
3141    if target_base_arch in target_user_arch
3142      t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3143      arch_srcs += t.sources()
3144      arch_deps += t.dependencies()
3145    endif
3146    if 'CONFIG_LINUX_USER' in config_target
3147      base_dir = 'linux-user'
3148    endif
3149    if 'CONFIG_BSD_USER' in config_target
3150      base_dir = 'bsd-user'
3151      target_inc += include_directories('bsd-user/' / targetos)
3152      target_inc += include_directories('bsd-user/host/' / host_arch)
3153      dir = base_dir / abi
3154      arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3155    endif
3156    target_inc += include_directories(
3157      base_dir,
3158      base_dir / abi,
3159    )
3160    if 'CONFIG_LINUX_USER' in config_target
3161      dir = base_dir / abi
3162      arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3163      if config_target.has_key('TARGET_SYSTBL_ABI')
3164        arch_srcs += \
3165          syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3166                                             extra_args : config_target['TARGET_SYSTBL_ABI'])
3167      endif
3168    endif
3169  endif
3170
3171  if 'TARGET_XML_FILES' in config_target
3172    gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3173                                output: target + '-gdbstub-xml.c',
3174                                input: files(config_target['TARGET_XML_FILES'].split()),
3175                                command: [feature_to_c, '@INPUT@'],
3176                                capture: true)
3177    arch_srcs += gdbstub_xml
3178  endif
3179
3180  t = target_arch[target_base_arch].apply(config_target, strict: false)
3181  arch_srcs += t.sources()
3182  arch_deps += t.dependencies()
3183
3184  target_common = common_ss.apply(config_target, strict: false)
3185  objects = common_all.extract_objects(target_common.sources())
3186  deps = target_common.dependencies()
3187
3188  target_specific = specific_ss.apply(config_target, strict: false)
3189  arch_srcs += target_specific.sources()
3190  arch_deps += target_specific.dependencies()
3191
3192  lib = static_library('qemu-' + target,
3193                 sources: arch_srcs + genh,
3194                 dependencies: arch_deps,
3195                 objects: objects,
3196                 include_directories: target_inc,
3197                 c_args: c_args,
3198                 build_by_default: false,
3199                 name_suffix: 'fa')
3200
3201  if target.endswith('-softmmu')
3202    execs = [{
3203      'name': 'qemu-system-' + target_name,
3204      'win_subsystem': 'console',
3205      'sources': files('softmmu/main.c'),
3206      'dependencies': []
3207    }]
3208    if targetos == 'windows' and (sdl.found() or gtk.found())
3209      execs += [{
3210        'name': 'qemu-system-' + target_name + 'w',
3211        'win_subsystem': 'windows',
3212        'sources': files('softmmu/main.c'),
3213        'dependencies': []
3214      }]
3215    endif
3216    if get_option('fuzzing')
3217      specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3218      execs += [{
3219        'name': 'qemu-fuzz-' + target_name,
3220        'win_subsystem': 'console',
3221        'sources': specific_fuzz.sources(),
3222        'dependencies': specific_fuzz.dependencies(),
3223      }]
3224    endif
3225  else
3226    execs = [{
3227      'name': 'qemu-' + target_name,
3228      'win_subsystem': 'console',
3229      'sources': [],
3230      'dependencies': []
3231    }]
3232  endif
3233  foreach exe: execs
3234    exe_name = exe['name']
3235    if targetos == 'darwin'
3236      exe_name += '-unsigned'
3237    endif
3238
3239    emulator = executable(exe_name, exe['sources'],
3240               install: true,
3241               c_args: c_args,
3242               dependencies: arch_deps + deps + exe['dependencies'],
3243               objects: lib.extract_all_objects(recursive: true),
3244               link_language: link_language,
3245               link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3246               link_args: link_args,
3247               win_subsystem: exe['win_subsystem'])
3248
3249    if targetos == 'darwin'
3250      icon = 'pc-bios/qemu.rsrc'
3251      build_input = [emulator, files(icon)]
3252      install_input = [
3253        get_option('bindir') / exe_name,
3254        meson.current_source_dir() / icon
3255      ]
3256      if 'CONFIG_HVF' in config_target
3257        entitlements = 'accel/hvf/entitlements.plist'
3258        build_input += files(entitlements)
3259        install_input += meson.current_source_dir() / entitlements
3260      endif
3261
3262      emulators += {exe['name'] : custom_target(exe['name'],
3263                   input: build_input,
3264                   output: exe['name'],
3265                   command: [entitlement, '@OUTPUT@', '@INPUT@'])
3266      }
3267
3268      meson.add_install_script(entitlement, '--install',
3269                               get_option('bindir') / exe['name'],
3270                               install_input)
3271    else
3272      emulators += {exe['name']: emulator}
3273    endif
3274
3275    if stap.found()
3276      foreach stp: [
3277        {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3278        {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3279        {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3280        {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3281      ]
3282        custom_target(exe['name'] + stp['ext'],
3283                      input: trace_events_all,
3284                      output: exe['name'] + stp['ext'],
3285                      install: stp['install'],
3286                      install_dir: get_option('datadir') / 'systemtap/tapset',
3287                      command: [
3288                        tracetool, '--group=all', '--format=' + stp['fmt'],
3289                        '--binary=' + stp['bin'],
3290                        '--target-name=' + target_name,
3291                        '--target-type=' + target_type,
3292                        '--probe-prefix=qemu.' + target_type + '.' + target_name,
3293                        '@INPUT@', '@OUTPUT@'
3294                      ],
3295                      depend_files: tracetool_depends)
3296      endforeach
3297    endif
3298  endforeach
3299endforeach
3300
3301# Other build targets
3302
3303if 'CONFIG_PLUGIN' in config_host
3304  install_headers('include/qemu/qemu-plugin.h')
3305endif
3306
3307subdir('qga')
3308
3309# Don't build qemu-keymap if xkbcommon is not explicitly enabled
3310# when we don't build tools or system
3311if xkbcommon.found()
3312  # used for the update-keymaps target, so include rules even if !have_tools
3313  qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3314                           dependencies: [qemuutil, xkbcommon], install: have_tools)
3315endif
3316
3317if have_tools
3318  qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3319             dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3320  qemu_io = executable('qemu-io', files('qemu-io.c'),
3321             dependencies: [block, qemuutil], install: true)
3322  qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3323               dependencies: [blockdev, qemuutil, gnutls, selinux],
3324               install: true)
3325
3326  subdir('storage-daemon')
3327  subdir('contrib/rdmacm-mux')
3328  subdir('contrib/elf2dmp')
3329
3330  executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3331             dependencies: qemuutil,
3332             install: true)
3333
3334  if 'CONFIG_VHOST_USER' in config_host
3335    subdir('contrib/vhost-user-blk')
3336    subdir('contrib/vhost-user-gpu')
3337    subdir('contrib/vhost-user-input')
3338    subdir('contrib/vhost-user-scsi')
3339  endif
3340
3341  if targetos == 'linux'
3342    executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3343               dependencies: [qemuutil, libcap_ng],
3344               install: true,
3345               install_dir: get_option('libexecdir'))
3346
3347    executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3348               dependencies: [authz, crypto, io, qom, qemuutil,
3349                              libcap_ng, mpathpersist],
3350               install: true)
3351  endif
3352
3353  if have_ivshmem
3354    subdir('contrib/ivshmem-client')
3355    subdir('contrib/ivshmem-server')
3356  endif
3357endif
3358
3359subdir('scripts')
3360subdir('tools')
3361subdir('pc-bios')
3362subdir('docs')
3363subdir('tests')
3364if gtk.found()
3365  subdir('po')
3366endif
3367
3368if host_machine.system() == 'windows'
3369  nsis_cmd = [
3370    find_program('scripts/nsis.py'),
3371    '@OUTPUT@',
3372    get_option('prefix'),
3373    meson.current_source_dir(),
3374    host_machine.cpu(),
3375    '--',
3376    '-DDISPLAYVERSION=' + meson.project_version(),
3377  ]
3378  if build_docs
3379    nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3380  endif
3381  if gtk.found()
3382    nsis_cmd += '-DCONFIG_GTK=y'
3383  endif
3384
3385  nsis = custom_target('nsis',
3386                       output: 'qemu-setup-' + meson.project_version() + '.exe',
3387                       input: files('qemu.nsi'),
3388                       build_always_stale: true,
3389                       command: nsis_cmd + ['@INPUT@'])
3390  alias_target('installer', nsis)
3391endif
3392
3393#########################
3394# Configuration summary #
3395#########################
3396
3397# Directories
3398summary_info = {}
3399summary_info += {'Install prefix':    get_option('prefix')}
3400summary_info += {'BIOS directory':    qemu_datadir}
3401summary_info += {'firmware path':     get_option('qemu_firmwarepath')}
3402summary_info += {'binary directory':  get_option('bindir')}
3403summary_info += {'library directory': get_option('libdir')}
3404summary_info += {'module directory':  qemu_moddir}
3405summary_info += {'libexec directory': get_option('libexecdir')}
3406summary_info += {'include directory': get_option('includedir')}
3407summary_info += {'config directory':  get_option('sysconfdir')}
3408if targetos != 'windows'
3409  summary_info += {'local state directory': get_option('localstatedir')}
3410  summary_info += {'Manual directory':      get_option('mandir')}
3411else
3412  summary_info += {'local state directory': 'queried at runtime'}
3413endif
3414summary_info += {'Doc directory':     get_option('docdir')}
3415summary_info += {'Build directory':   meson.current_build_dir()}
3416summary_info += {'Source path':       meson.current_source_dir()}
3417summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3418summary(summary_info, bool_yn: true, section: 'Directories')
3419
3420# Host binaries
3421summary_info = {}
3422summary_info += {'git':               config_host['GIT']}
3423summary_info += {'make':              config_host['MAKE']}
3424summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3425summary_info += {'sphinx-build':      sphinx_build}
3426if config_host.has_key('HAVE_GDB_BIN')
3427  summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3428endif
3429if get_option('iasl') != ''
3430  summary_info += {'iasl':            get_option('iasl')}
3431else
3432  summary_info += {'iasl':            false}
3433endif
3434summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3435if targetos == 'windows' and have_ga
3436  summary_info += {'wixl':            wixl}
3437endif
3438if slirp_opt != 'disabled' and have_system
3439  summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3440endif
3441summary(summary_info, bool_yn: true, section: 'Host binaries')
3442
3443# Configurable features
3444summary_info = {}
3445summary_info += {'Documentation':     build_docs}
3446summary_info += {'system-mode emulation': have_system}
3447summary_info += {'user-mode emulation': have_user}
3448summary_info += {'block layer':       have_block}
3449summary_info += {'Install blobs':     get_option('install_blobs')}
3450summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3451if config_host.has_key('CONFIG_MODULES')
3452  summary_info += {'alternative module path': config_host.has_key('CONFIG_MODULE_UPGRADES')}
3453endif
3454summary_info += {'fuzzing support':   get_option('fuzzing')}
3455if have_system
3456  summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3457endif
3458summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3459if 'simple' in get_option('trace_backends')
3460  summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3461endif
3462summary_info += {'D-Bus display':     dbus_display}
3463summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3464summary_info += {'vhost-kernel support': config_host.has_key('CONFIG_VHOST_KERNEL')}
3465summary_info += {'vhost-net support': config_host.has_key('CONFIG_VHOST_NET')}
3466summary_info += {'vhost-crypto support': config_host.has_key('CONFIG_VHOST_CRYPTO')}
3467summary_info += {'vhost-scsi support': config_host.has_key('CONFIG_VHOST_SCSI')}
3468summary_info += {'vhost-vsock support': config_host.has_key('CONFIG_VHOST_VSOCK')}
3469summary_info += {'vhost-user support': config_host.has_key('CONFIG_VHOST_USER')}
3470summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3471summary_info += {'vhost-user-fs support': config_host.has_key('CONFIG_VHOST_USER_FS')}
3472summary_info += {'vhost-vdpa support': config_host.has_key('CONFIG_VHOST_VDPA')}
3473summary_info += {'build guest agent': have_ga}
3474summary(summary_info, bool_yn: true, section: 'Configurable features')
3475
3476# Compilation information
3477summary_info = {}
3478summary_info += {'host CPU':          cpu}
3479summary_info += {'host endianness':   build_machine.endian()}
3480summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3481summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3482if link_language == 'cpp'
3483  summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3484else
3485  summary_info += {'C++ compiler':      false}
3486endif
3487if targetos == 'darwin'
3488  summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3489endif
3490summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
3491                                               + ['-O' + get_option('optimization')]
3492                                               + (get_option('debug') ? ['-g'] : []))}
3493if link_language == 'cpp'
3494  summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
3495                                               + ['-O' + get_option('optimization')]
3496                                               + (get_option('debug') ? ['-g'] : []))}
3497endif
3498if targetos == 'darwin'
3499  summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args')
3500                                               + ['-O' + get_option('optimization')]
3501                                               + (get_option('debug') ? ['-g'] : []))}
3502endif
3503link_args = get_option(link_language + '_link_args')
3504if link_args.length() > 0
3505  summary_info += {'LDFLAGS':         ' '.join(link_args)}
3506endif
3507summary_info += {'QEMU_CFLAGS':       config_host['QEMU_CFLAGS']}
3508summary_info += {'QEMU_CXXFLAGS':     config_host['QEMU_CXXFLAGS']}
3509summary_info += {'QEMU_OBJCFLAGS':    config_host['QEMU_OBJCFLAGS']}
3510summary_info += {'QEMU_LDFLAGS':      config_host['QEMU_LDFLAGS']}
3511summary_info += {'profiler':          get_option('profiler')}
3512summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3513summary_info += {'PIE':               get_option('b_pie')}
3514summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3515summary_info += {'malloc trim support': has_malloc_trim}
3516summary_info += {'membarrier':        have_membarrier}
3517summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3518summary_info += {'mutex debugging':   get_option('debug_mutex')}
3519summary_info += {'memory allocator':  get_option('malloc')}
3520summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3521summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3522summary_info += {'gprof enabled':     get_option('gprof')}
3523summary_info += {'gcov':              get_option('b_coverage')}
3524summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3525summary_info += {'CFI support':       get_option('cfi')}
3526if get_option('cfi')
3527  summary_info += {'CFI debug support': get_option('cfi_debug')}
3528endif
3529summary_info += {'strip binaries':    get_option('strip')}
3530summary_info += {'sparse':            sparse}
3531summary_info += {'mingw32 support':   targetos == 'windows'}
3532
3533# snarf the cross-compilation information for tests
3534foreach target: target_dirs
3535  tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + '.mak'
3536  if fs.exists(tcg_mak)
3537    config_cross_tcg = keyval.load(tcg_mak)
3538    target = config_cross_tcg['TARGET_NAME']
3539    compiler = ''
3540    if 'DOCKER_CROSS_CC_GUEST' in config_cross_tcg
3541      summary_info += {target + ' tests': config_cross_tcg['DOCKER_CROSS_CC_GUEST'] +
3542                                          ' via ' + config_cross_tcg['DOCKER_IMAGE']}
3543    elif 'CROSS_CC_GUEST' in config_cross_tcg
3544      summary_info += {target + ' tests'
3545                                : config_cross_tcg['CROSS_CC_GUEST'] }
3546    endif
3547   endif
3548endforeach
3549
3550summary(summary_info, bool_yn: true, section: 'Compilation')
3551
3552# Targets and accelerators
3553summary_info = {}
3554if have_system
3555  summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3556  summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3557  summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3558  summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3559  summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3560  summary_info += {'Xen support':       config_host.has_key('CONFIG_XEN_BACKEND')}
3561  if config_host.has_key('CONFIG_XEN_BACKEND')
3562    summary_info += {'xen ctrl version':  config_host['CONFIG_XEN_CTRL_INTERFACE_VERSION']}
3563  endif
3564endif
3565summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3566if config_all.has_key('CONFIG_TCG')
3567  if get_option('tcg_interpreter')
3568    summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3569  else
3570    summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3571  endif
3572  summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3573  summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3574endif
3575summary_info += {'target list':       ' '.join(target_dirs)}
3576if have_system
3577  summary_info += {'default devices':   get_option('default_devices')}
3578  summary_info += {'out of process emulation': multiprocess_allowed}
3579endif
3580summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3581
3582# Block layer
3583summary_info = {}
3584summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3585summary_info += {'coroutine pool':    have_coroutine_pool}
3586if have_block
3587  summary_info += {'Block whitelist (rw)': config_host['CONFIG_BDRV_RW_WHITELIST']}
3588  summary_info += {'Block whitelist (ro)': config_host['CONFIG_BDRV_RO_WHITELIST']}
3589  summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3590  summary_info += {'VirtFS support':    have_virtfs}
3591  summary_info += {'build virtiofs daemon': have_virtiofsd}
3592  summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3593  summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3594  summary_info += {'bochs support':     get_option('bochs').allowed()}
3595  summary_info += {'cloop support':     get_option('cloop').allowed()}
3596  summary_info += {'dmg support':       get_option('dmg').allowed()}
3597  summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3598  summary_info += {'vdi support':       get_option('vdi').allowed()}
3599  summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3600  summary_info += {'qed support':       get_option('qed').allowed()}
3601  summary_info += {'parallels support': get_option('parallels').allowed()}
3602  summary_info += {'FUSE exports':      fuse}
3603endif
3604summary(summary_info, bool_yn: true, section: 'Block layer support')
3605
3606# Crypto
3607summary_info = {}
3608summary_info += {'TLS priority':      config_host['CONFIG_TLS_PRIORITY']}
3609summary_info += {'GNUTLS support':    gnutls}
3610if gnutls.found()
3611  summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3612endif
3613summary_info += {'libgcrypt':         gcrypt}
3614summary_info += {'nettle':            nettle}
3615if nettle.found()
3616   summary_info += {'  XTS':             xts != 'private'}
3617endif
3618summary_info += {'AF_ALG support':    have_afalg}
3619summary_info += {'rng-none':          get_option('rng_none')}
3620summary_info += {'Linux keyring':     config_host.has_key('CONFIG_SECRET_KEYRING')}
3621summary(summary_info, bool_yn: true, section: 'Crypto')
3622
3623# Libraries
3624summary_info = {}
3625if targetos == 'darwin'
3626  summary_info += {'Cocoa support':   cocoa}
3627endif
3628summary_info += {'SDL support':       sdl}
3629summary_info += {'SDL image support': sdl_image}
3630summary_info += {'GTK support':       gtk}
3631summary_info += {'pixman':            pixman}
3632summary_info += {'VTE support':       vte}
3633summary_info += {'slirp support':     slirp_opt == 'internal' ? slirp_opt : slirp}
3634summary_info += {'libtasn1':          tasn1}
3635summary_info += {'PAM':               pam}
3636summary_info += {'iconv support':     iconv}
3637summary_info += {'curses support':    curses}
3638summary_info += {'virgl support':     virgl}
3639summary_info += {'curl support':      curl}
3640summary_info += {'Multipath support': mpathpersist}
3641summary_info += {'VNC support':       vnc}
3642if vnc.found()
3643  summary_info += {'VNC SASL support':  sasl}
3644  summary_info += {'VNC JPEG support':  jpeg}
3645  summary_info += {'VNC PNG support':   png}
3646endif
3647if targetos not in ['darwin', 'haiku', 'windows']
3648  summary_info += {'OSS support':     oss}
3649elif targetos == 'darwin'
3650  summary_info += {'CoreAudio support': coreaudio}
3651elif targetos == 'windows'
3652  summary_info += {'DirectSound support': dsound}
3653endif
3654if targetos == 'linux'
3655  summary_info += {'ALSA support':    alsa}
3656  summary_info += {'PulseAudio support': pulse}
3657endif
3658summary_info += {'JACK support':      jack}
3659summary_info += {'brlapi support':    brlapi}
3660summary_info += {'vde support':       vde}
3661summary_info += {'netmap support':    have_netmap}
3662summary_info += {'l2tpv3 support':    have_l2tpv3}
3663summary_info += {'Linux AIO support': libaio}
3664summary_info += {'Linux io_uring support': linux_io_uring}
3665summary_info += {'ATTR/XATTR support': libattr}
3666summary_info += {'RDMA support':      config_host.has_key('CONFIG_RDMA')}
3667summary_info += {'PVRDMA support':    config_host.has_key('CONFIG_PVRDMA')}
3668summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3669summary_info += {'libcap-ng support': libcap_ng}
3670summary_info += {'bpf support':       libbpf}
3671summary_info += {'spice protocol support': spice_protocol}
3672if spice_protocol.found()
3673  summary_info += {'  spice server support': spice}
3674endif
3675summary_info += {'rbd support':       rbd}
3676summary_info += {'smartcard support': cacard}
3677summary_info += {'U2F support':       u2f}
3678summary_info += {'libusb':            libusb}
3679summary_info += {'usb net redir':     usbredir}
3680summary_info += {'OpenGL support':    config_host.has_key('CONFIG_OPENGL')}
3681summary_info += {'GBM':               gbm}
3682summary_info += {'libiscsi support':  libiscsi}
3683summary_info += {'libnfs support':    libnfs}
3684if targetos == 'windows'
3685  if have_ga
3686    summary_info += {'QGA VSS support':   have_qga_vss}
3687    summary_info += {'QGA w32 disk info': have_ntddscsi}
3688  endif
3689endif
3690summary_info += {'seccomp support':   seccomp}
3691summary_info += {'GlusterFS support': glusterfs}
3692summary_info += {'TPM support':       have_tpm}
3693summary_info += {'libssh support':    libssh}
3694summary_info += {'lzo support':       lzo}
3695summary_info += {'snappy support':    snappy}
3696summary_info += {'bzip2 support':     libbzip2}
3697summary_info += {'lzfse support':     liblzfse}
3698summary_info += {'zstd support':      zstd}
3699summary_info += {'NUMA host support': numa}
3700summary_info += {'capstone':          capstone_opt == 'internal' ? capstone_opt : capstone}
3701summary_info += {'libpmem support':   libpmem}
3702summary_info += {'libdaxctl support': libdaxctl}
3703summary_info += {'libudev':           libudev}
3704# Dummy dependency, keep .found()
3705summary_info += {'FUSE lseek':        fuse_lseek.found()}
3706summary_info += {'selinux':           selinux}
3707summary(summary_info, bool_yn: true, section: 'Dependencies')
3708
3709if not supported_cpus.contains(cpu)
3710  message()
3711  warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3712  message()
3713  message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3714  message('The QEMU project intends to remove support for this host CPU in')
3715  message('a future release if nobody volunteers to maintain it and to')
3716  message('provide a build host for our continuous integration setup.')
3717  message('configure has succeeded and you can continue to build, but')
3718  message('if you care about QEMU on this platform you should contact')
3719  message('us upstream at qemu-devel@nongnu.org.')
3720endif
3721
3722if not supported_oses.contains(targetos)
3723  message()
3724  warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3725  message()
3726  message('Host OS ' + targetos + 'support is not currently maintained.')
3727  message('The QEMU project intends to remove support for this host OS in')
3728  message('a future release if nobody volunteers to maintain it and to')
3729  message('provide a build host for our continuous integration setup.')
3730  message('configure has succeeded and you can continue to build, but')
3731  message('if you care about QEMU on this platform you should contact')
3732  message('us upstream at qemu-devel@nongnu.org.')
3733endif
3734