xref: /openbmc/qemu/meson.build (revision 16d91e06b37fca0772866e12d4e146a519841b0f)
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  }'''))
1718config_host_data.set('CONFIG_MADVISE', cc.links(gnu_source_prefix + '''
1719  #include <sys/types.h>
1720  #include <sys/mman.h>
1721  #include <stddef.h>
1722  int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }'''))
1723config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
1724  #include <sys/mman.h>
1725  int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
1726config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
1727  #include <fcntl.h>
1728  #if !defined(AT_EMPTY_PATH)
1729  # error missing definition
1730  #else
1731  int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
1732  #endif'''))
1733config_host_data.set('CONFIG_PIPE2', cc.links(gnu_source_prefix + '''
1734  #include <unistd.h>
1735  #include <fcntl.h>
1736
1737  int main(void)
1738  {
1739      int pipefd[2];
1740      return pipe2(pipefd, O_CLOEXEC);
1741  }'''))
1742config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
1743  #include <sys/mman.h>
1744  #include <stddef.h>
1745  int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
1746
1747config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
1748  #include <pthread.h>
1749
1750  static void *f(void *p) { return NULL; }
1751  int main(void)
1752  {
1753    pthread_t thread;
1754    pthread_create(&thread, 0, f, 0);
1755    pthread_setname_np(thread, "QEMU");
1756    return 0;
1757  }''', dependencies: threads))
1758config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
1759  #include <pthread.h>
1760
1761  static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
1762  int main(void)
1763  {
1764    pthread_t thread;
1765    pthread_create(&thread, 0, f, 0);
1766    return 0;
1767  }''', dependencies: threads))
1768
1769config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
1770  #include <sys/signalfd.h>
1771  #include <stddef.h>
1772  int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
1773config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
1774  #include <unistd.h>
1775  #include <fcntl.h>
1776  #include <limits.h>
1777
1778  int main(void)
1779  {
1780    int len, fd = 0;
1781    len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
1782    splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
1783    return 0;
1784  }'''))
1785
1786config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
1787  #include <sys/mman.h>
1788  int main(int argc, char *argv[]) {
1789    return mlockall(MCL_FUTURE);
1790  }'''))
1791
1792have_l2tpv3 = false
1793if get_option('l2tpv3').allowed() and have_system
1794  have_l2tpv3 = cc.has_type('struct mmsghdr',
1795    prefix: gnu_source_prefix + '''
1796      #include <sys/socket.h>
1797      #include <linux/ip.h>''')
1798endif
1799config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
1800
1801have_netmap = false
1802if get_option('netmap').allowed() and have_system
1803  have_netmap = cc.compiles('''
1804    #include <inttypes.h>
1805    #include <net/if.h>
1806    #include <net/netmap.h>
1807    #include <net/netmap_user.h>
1808    #if (NETMAP_API < 11) || (NETMAP_API > 15)
1809    #error
1810    #endif
1811    int main(void) { return 0; }''')
1812  if not have_netmap and get_option('netmap').enabled()
1813    error('Netmap headers not available')
1814  endif
1815endif
1816config_host_data.set('CONFIG_NETMAP', have_netmap)
1817
1818# Work around a system header bug with some kernel/XFS header
1819# versions where they both try to define 'struct fsxattr':
1820# xfs headers will not try to redefine structs from linux headers
1821# if this macro is set.
1822config_host_data.set('HAVE_FSXATTR', cc.links('''
1823  #include <linux/fs.h>
1824  struct fsxattr foo;
1825  int main(void) {
1826    return 0;
1827  }'''))
1828
1829# Some versions of Mac OS X incorrectly define SIZE_MAX
1830config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
1831    #include <stdint.h>
1832    #include <stdio.h>
1833    int main(int argc, char *argv[]) {
1834        return printf("%zu", SIZE_MAX);
1835    }''', args: ['-Werror']))
1836
1837# See if 64-bit atomic operations are supported.
1838# Note that without __atomic builtins, we can only
1839# assume atomic loads/stores max at pointer size.
1840config_host_data.set('CONFIG_ATOMIC64', cc.links('''
1841  #include <stdint.h>
1842  int main(void)
1843  {
1844    uint64_t x = 0, y = 0;
1845    y = __atomic_load_n(&x, __ATOMIC_RELAXED);
1846    __atomic_store_n(&x, y, __ATOMIC_RELAXED);
1847    __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
1848    __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
1849    __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
1850    return 0;
1851  }'''))
1852
1853config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
1854  #include <sys/auxv.h>
1855  int main(void) {
1856    return getauxval(AT_HWCAP) == 0;
1857  }'''))
1858
1859have_cpuid_h = cc.links('''
1860  #include <cpuid.h>
1861  int main(void) {
1862    unsigned a, b, c, d;
1863    unsigned max = __get_cpuid_max(0, 0);
1864
1865    if (max >= 1) {
1866        __cpuid(1, a, b, c, d);
1867    }
1868
1869    if (max >= 7) {
1870        __cpuid_count(7, 0, a, b, c, d);
1871    }
1872
1873    return 0;
1874  }''')
1875config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
1876
1877config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
1878  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
1879  .require(cc.links('''
1880    #pragma GCC push_options
1881    #pragma GCC target("avx2")
1882    #include <cpuid.h>
1883    #include <immintrin.h>
1884    static int bar(void *a) {
1885      __m256i x = *(__m256i *)a;
1886      return _mm256_testz_si256(x, x);
1887    }
1888    int main(int argc, char *argv[]) { return bar(argv[0]); }
1889  '''), error_message: 'AVX2 not available').allowed())
1890
1891config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
1892  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
1893  .require(cc.links('''
1894    #pragma GCC push_options
1895    #pragma GCC target("avx512f")
1896    #include <cpuid.h>
1897    #include <immintrin.h>
1898    static int bar(void *a) {
1899      __m512i x = *(__m512i *)a;
1900      return _mm512_test_epi64_mask(x, x);
1901    }
1902    int main(int argc, char *argv[]) { return bar(argv[0]); }
1903  '''), error_message: 'AVX512F not available').allowed())
1904
1905if get_option('membarrier').disabled()
1906  have_membarrier = false
1907elif targetos == 'windows'
1908  have_membarrier = true
1909elif targetos == 'linux'
1910  have_membarrier = cc.compiles('''
1911    #include <linux/membarrier.h>
1912    #include <sys/syscall.h>
1913    #include <unistd.h>
1914    #include <stdlib.h>
1915    int main(void) {
1916        syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
1917        syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
1918        exit(0);
1919    }''')
1920endif
1921config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
1922  .require(have_membarrier, error_message: 'membarrier system call not available') \
1923  .allowed())
1924
1925have_afalg = get_option('crypto_afalg') \
1926  .require(cc.compiles(gnu_source_prefix + '''
1927    #include <errno.h>
1928    #include <sys/types.h>
1929    #include <sys/socket.h>
1930    #include <linux/if_alg.h>
1931    int main(void) {
1932      int sock;
1933      sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
1934      return sock;
1935    }
1936  '''), error_message: 'AF_ALG requested but could not be detected').allowed()
1937config_host_data.set('CONFIG_AF_ALG', have_afalg)
1938
1939config_host_data.set('CONFIG_AF_VSOCK', cc.compiles(gnu_source_prefix + '''
1940  #include <errno.h>
1941  #include <sys/types.h>
1942  #include <sys/socket.h>
1943  #if !defined(AF_VSOCK)
1944  # error missing AF_VSOCK flag
1945  #endif
1946  #include <linux/vm_sockets.h>
1947  int main(void) {
1948    int sock, ret;
1949    struct sockaddr_vm svm;
1950    socklen_t len = sizeof(svm);
1951    sock = socket(AF_VSOCK, SOCK_STREAM, 0);
1952    ret = getpeername(sock, (struct sockaddr *)&svm, &len);
1953    if ((ret == -1) && (errno == ENOTCONN)) {
1954        return 0;
1955    }
1956    return -1;
1957  }'''))
1958
1959have_vss = false
1960have_vss_sdk = false # old xp/2003 SDK
1961if targetos == 'windows' and link_language == 'cpp'
1962  have_vss = cxx.compiles('''
1963    #define __MIDL_user_allocate_free_DEFINED__
1964    #include <vss.h>
1965    int main(void) { return VSS_CTX_BACKUP; }''')
1966  have_vss_sdk = cxx.has_header('vscoordint.h')
1967endif
1968config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
1969
1970have_ntddscsi = false
1971if targetos == 'windows'
1972  have_ntddscsi = cc.compiles('''
1973    #include <windows.h>
1974    #include <ntddscsi.h>
1975    int main(void) {
1976    #if !defined(IOCTL_SCSI_GET_ADDRESS)
1977    #error Missing required ioctl definitions
1978    #endif
1979      SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
1980      return addr.Lun;
1981    }
1982''')
1983endif
1984config_host_data.set('HAVE_NTDDSCSI', have_ntddscsi)
1985
1986ignored = ['CONFIG_QEMU_INTERP_PREFIX', # actually per-target
1987    'HAVE_GDB_BIN']
1988arrays = ['CONFIG_BDRV_RW_WHITELIST', 'CONFIG_BDRV_RO_WHITELIST']
1989foreach k, v: config_host
1990  if ignored.contains(k)
1991    # do nothing
1992  elif arrays.contains(k)
1993    if v != ''
1994      v = '"' + '", "'.join(v.split()) + '", '
1995    endif
1996    config_host_data.set(k, v)
1997  elif k.startswith('CONFIG_')
1998    config_host_data.set(k, v == 'y' ? 1 : v)
1999  endif
2000endforeach
2001
2002########################
2003# Target configuration #
2004########################
2005
2006minikconf = find_program('scripts/minikconf.py')
2007config_all = {}
2008config_all_devices = {}
2009config_all_disas = {}
2010config_devices_mak_list = []
2011config_devices_h = {}
2012config_target_h = {}
2013config_target_mak = {}
2014
2015disassemblers = {
2016  'alpha' : ['CONFIG_ALPHA_DIS'],
2017  'arm' : ['CONFIG_ARM_DIS'],
2018  'avr' : ['CONFIG_AVR_DIS'],
2019  'cris' : ['CONFIG_CRIS_DIS'],
2020  'hexagon' : ['CONFIG_HEXAGON_DIS'],
2021  'hppa' : ['CONFIG_HPPA_DIS'],
2022  'i386' : ['CONFIG_I386_DIS'],
2023  'x86_64' : ['CONFIG_I386_DIS'],
2024  'm68k' : ['CONFIG_M68K_DIS'],
2025  'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2026  'mips' : ['CONFIG_MIPS_DIS'],
2027  'nios2' : ['CONFIG_NIOS2_DIS'],
2028  'or1k' : ['CONFIG_OPENRISC_DIS'],
2029  'ppc' : ['CONFIG_PPC_DIS'],
2030  'riscv' : ['CONFIG_RISCV_DIS'],
2031  'rx' : ['CONFIG_RX_DIS'],
2032  's390' : ['CONFIG_S390_DIS'],
2033  'sh4' : ['CONFIG_SH4_DIS'],
2034  'sparc' : ['CONFIG_SPARC_DIS'],
2035  'xtensa' : ['CONFIG_XTENSA_DIS'],
2036}
2037if link_language == 'cpp'
2038  disassemblers += {
2039    'aarch64' : [ 'CONFIG_ARM_A64_DIS'],
2040    'arm' : [ 'CONFIG_ARM_DIS', 'CONFIG_ARM_A64_DIS'],
2041    'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2042  }
2043endif
2044
2045have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2046host_kconfig = \
2047  (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2048  (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2049  (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2050  (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2051  ('CONFIG_OPENGL' in config_host ? ['CONFIG_OPENGL=y'] : []) + \
2052  (x11.found() ? ['CONFIG_X11=y'] : []) + \
2053  ('CONFIG_VHOST_USER' in config_host ? ['CONFIG_VHOST_USER=y'] : []) + \
2054  ('CONFIG_VHOST_VDPA' in config_host ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2055  ('CONFIG_VHOST_KERNEL' in config_host ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2056  (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2057  ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2058  ('CONFIG_PVRDMA' in config_host ? ['CONFIG_PVRDMA=y'] : []) + \
2059  (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : [])
2060
2061ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2062
2063default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2064actual_target_dirs = []
2065fdt_required = []
2066foreach target : target_dirs
2067  config_target = { 'TARGET_NAME': target.split('-')[0] }
2068  if target.endswith('linux-user')
2069    if targetos != 'linux'
2070      if default_targets
2071        continue
2072      endif
2073      error('Target @0@ is only available on a Linux host'.format(target))
2074    endif
2075    config_target += { 'CONFIG_LINUX_USER': 'y' }
2076  elif target.endswith('bsd-user')
2077    if 'CONFIG_BSD' not in config_host
2078      if default_targets
2079        continue
2080      endif
2081      error('Target @0@ is only available on a BSD host'.format(target))
2082    endif
2083    config_target += { 'CONFIG_BSD_USER': 'y' }
2084  elif target.endswith('softmmu')
2085    config_target += { 'CONFIG_SOFTMMU': 'y' }
2086  endif
2087  if target.endswith('-user')
2088    config_target += {
2089      'CONFIG_USER_ONLY': 'y',
2090      'CONFIG_QEMU_INTERP_PREFIX':
2091        config_host['CONFIG_QEMU_INTERP_PREFIX'].format(config_target['TARGET_NAME'])
2092    }
2093  endif
2094
2095  accel_kconfig = []
2096  foreach sym: accelerators
2097    if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2098      config_target += { sym: 'y' }
2099      config_all += { sym: 'y' }
2100      if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
2101        config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
2102      elif sym == 'CONFIG_XEN' and have_xen_pci_passthrough
2103        config_target += { 'CONFIG_XEN_PCI_PASSTHROUGH': 'y' }
2104      endif
2105      if target in modular_tcg
2106        config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2107      else
2108        config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2109      endif
2110      accel_kconfig += [ sym + '=y' ]
2111    endif
2112  endforeach
2113  if accel_kconfig.length() == 0
2114    if default_targets
2115      continue
2116    endif
2117    error('No accelerator available for target @0@'.format(target))
2118  endif
2119
2120  actual_target_dirs += target
2121  config_target += keyval.load('configs/targets' / target + '.mak')
2122  config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2123
2124  if 'TARGET_NEED_FDT' in config_target
2125    fdt_required += target
2126  endif
2127
2128  # Add default keys
2129  if 'TARGET_BASE_ARCH' not in config_target
2130    config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2131  endif
2132  if 'TARGET_ABI_DIR' not in config_target
2133    config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2134  endif
2135
2136  foreach k, v: disassemblers
2137    if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2138      foreach sym: v
2139        config_target += { sym: 'y' }
2140        config_all_disas += { sym: 'y' }
2141      endforeach
2142    endif
2143  endforeach
2144
2145  config_target_data = configuration_data()
2146  foreach k, v: config_target
2147    if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2148      # do nothing
2149    elif ignored.contains(k)
2150      # do nothing
2151    elif k == 'TARGET_BASE_ARCH'
2152      # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2153      # not used to select files from sourcesets.
2154      config_target_data.set('TARGET_' + v.to_upper(), 1)
2155    elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2156      config_target_data.set_quoted(k, v)
2157    elif v == 'y'
2158      config_target_data.set(k, 1)
2159    else
2160      config_target_data.set(k, v)
2161    endif
2162  endforeach
2163  config_target_data.set('QEMU_ARCH',
2164                         'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2165  config_target_h += {target: configure_file(output: target + '-config-target.h',
2166                                               configuration: config_target_data)}
2167
2168  if target.endswith('-softmmu')
2169    config_input = meson.get_external_property(target, 'default')
2170    config_devices_mak = target + '-config-devices.mak'
2171    config_devices_mak = configure_file(
2172      input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2173      output: config_devices_mak,
2174      depfile: config_devices_mak + '.d',
2175      capture: true,
2176      command: [minikconf,
2177                get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2178                config_devices_mak, '@DEPFILE@', '@INPUT@',
2179                host_kconfig, accel_kconfig,
2180                'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2181
2182    config_devices_data = configuration_data()
2183    config_devices = keyval.load(config_devices_mak)
2184    foreach k, v: config_devices
2185      config_devices_data.set(k, 1)
2186    endforeach
2187    config_devices_mak_list += config_devices_mak
2188    config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2189                                                configuration: config_devices_data)}
2190    config_target += config_devices
2191    config_all_devices += config_devices
2192  endif
2193  config_target_mak += {target: config_target}
2194endforeach
2195target_dirs = actual_target_dirs
2196
2197# This configuration is used to build files that are shared by
2198# multiple binaries, and then extracted out of the "common"
2199# static_library target.
2200#
2201# We do not use all_sources()/all_dependencies(), because it would
2202# build literally all source files, including devices only used by
2203# targets that are not built for this compilation.  The CONFIG_ALL
2204# pseudo symbol replaces it.
2205
2206config_all += config_all_devices
2207config_all += config_host
2208config_all += config_all_disas
2209config_all += {
2210  'CONFIG_XEN': config_host.has_key('CONFIG_XEN_BACKEND'),
2211  'CONFIG_SOFTMMU': have_system,
2212  'CONFIG_USER_ONLY': have_user,
2213  'CONFIG_ALL': true,
2214}
2215
2216target_configs_h = []
2217foreach target: target_dirs
2218  target_configs_h += config_target_h[target]
2219  target_configs_h += config_devices_h.get(target, [])
2220endforeach
2221genh += custom_target('config-poison.h',
2222                      input: [target_configs_h],
2223                      output: 'config-poison.h',
2224                      capture: true,
2225                      command: [find_program('scripts/make-config-poison.sh'),
2226                                target_configs_h])
2227
2228##############
2229# Submodules #
2230##############
2231
2232capstone = not_found
2233capstone_opt = get_option('capstone')
2234if capstone_opt in ['enabled', 'auto', 'system']
2235  have_internal = fs.exists(meson.current_source_dir() / 'capstone/Makefile')
2236  capstone = dependency('capstone', version: '>=4.0',
2237                        kwargs: static_kwargs, method: 'pkg-config',
2238                        required: capstone_opt == 'system' or
2239                                  capstone_opt == 'enabled' and not have_internal)
2240
2241  # Some versions of capstone have broken pkg-config file
2242  # that reports a wrong -I path, causing the #include to
2243  # fail later. If the system has such a broken version
2244  # do not use it.
2245  if capstone.found() and not cc.compiles('#include <capstone.h>',
2246                                          dependencies: [capstone])
2247    capstone = not_found
2248    if capstone_opt == 'system'
2249      error('system capstone requested, it does not appear to work')
2250    endif
2251  endif
2252
2253  if capstone.found()
2254    capstone_opt = 'system'
2255  elif have_internal
2256    capstone_opt = 'internal'
2257  else
2258    capstone_opt = 'disabled'
2259  endif
2260endif
2261if capstone_opt == 'internal'
2262  capstone_data = configuration_data()
2263  capstone_data.set('CAPSTONE_USE_SYS_DYN_MEM', '1')
2264
2265  capstone_files = files(
2266    'capstone/cs.c',
2267    'capstone/MCInst.c',
2268    'capstone/MCInstrDesc.c',
2269    'capstone/MCRegisterInfo.c',
2270    'capstone/SStream.c',
2271    'capstone/utils.c'
2272  )
2273
2274  if 'CONFIG_ARM_DIS' in config_all_disas
2275    capstone_data.set('CAPSTONE_HAS_ARM', '1')
2276    capstone_files += files(
2277      'capstone/arch/ARM/ARMDisassembler.c',
2278      'capstone/arch/ARM/ARMInstPrinter.c',
2279      'capstone/arch/ARM/ARMMapping.c',
2280      'capstone/arch/ARM/ARMModule.c'
2281    )
2282  endif
2283
2284  # FIXME: This config entry currently depends on a c++ compiler.
2285  # Which is needed for building libvixl, but not for capstone.
2286  if 'CONFIG_ARM_A64_DIS' in config_all_disas
2287    capstone_data.set('CAPSTONE_HAS_ARM64', '1')
2288    capstone_files += files(
2289      'capstone/arch/AArch64/AArch64BaseInfo.c',
2290      'capstone/arch/AArch64/AArch64Disassembler.c',
2291      'capstone/arch/AArch64/AArch64InstPrinter.c',
2292      'capstone/arch/AArch64/AArch64Mapping.c',
2293      'capstone/arch/AArch64/AArch64Module.c'
2294    )
2295  endif
2296
2297  if 'CONFIG_PPC_DIS' in config_all_disas
2298    capstone_data.set('CAPSTONE_HAS_POWERPC', '1')
2299    capstone_files += files(
2300      'capstone/arch/PowerPC/PPCDisassembler.c',
2301      'capstone/arch/PowerPC/PPCInstPrinter.c',
2302      'capstone/arch/PowerPC/PPCMapping.c',
2303      'capstone/arch/PowerPC/PPCModule.c'
2304    )
2305  endif
2306
2307  if 'CONFIG_S390_DIS' in config_all_disas
2308    capstone_data.set('CAPSTONE_HAS_SYSZ', '1')
2309    capstone_files += files(
2310      'capstone/arch/SystemZ/SystemZDisassembler.c',
2311      'capstone/arch/SystemZ/SystemZInstPrinter.c',
2312      'capstone/arch/SystemZ/SystemZMapping.c',
2313      'capstone/arch/SystemZ/SystemZModule.c',
2314      'capstone/arch/SystemZ/SystemZMCTargetDesc.c'
2315    )
2316  endif
2317
2318  if 'CONFIG_I386_DIS' in config_all_disas
2319    capstone_data.set('CAPSTONE_HAS_X86', 1)
2320    capstone_files += files(
2321      'capstone/arch/X86/X86Disassembler.c',
2322      'capstone/arch/X86/X86DisassemblerDecoder.c',
2323      'capstone/arch/X86/X86ATTInstPrinter.c',
2324      'capstone/arch/X86/X86IntelInstPrinter.c',
2325      'capstone/arch/X86/X86InstPrinterCommon.c',
2326      'capstone/arch/X86/X86Mapping.c',
2327      'capstone/arch/X86/X86Module.c'
2328    )
2329  endif
2330
2331  configure_file(output: 'capstone-defs.h', configuration: capstone_data)
2332
2333  capstone_cargs = [
2334    # FIXME: There does not seem to be a way to completely replace the c_args
2335    # that come from add_project_arguments() -- we can only add to them.
2336    # So: disable all warnings with a big hammer.
2337    '-Wno-error', '-w',
2338
2339    # Include all configuration defines via a header file, which will wind up
2340    # as a dependency on the object file, and thus changes here will result
2341    # in a rebuild.
2342    '-include', 'capstone-defs.h'
2343  ]
2344
2345  libcapstone = static_library('capstone',
2346                               build_by_default: false,
2347                               sources: capstone_files,
2348                               c_args: capstone_cargs,
2349                               include_directories: 'capstone/include')
2350  capstone = declare_dependency(link_with: libcapstone,
2351                                include_directories: 'capstone/include/capstone')
2352endif
2353
2354slirp = not_found
2355slirp_opt = 'disabled'
2356if have_system
2357  slirp_opt = get_option('slirp')
2358  if slirp_opt in ['enabled', 'auto', 'system']
2359    have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
2360    slirp = dependency('slirp', kwargs: static_kwargs,
2361                       method: 'pkg-config',
2362                       required: slirp_opt == 'system' or
2363                                 slirp_opt == 'enabled' and not have_internal)
2364    if slirp.found()
2365      slirp_opt = 'system'
2366    elif have_internal
2367      slirp_opt = 'internal'
2368    else
2369      slirp_opt = 'disabled'
2370    endif
2371  endif
2372  if slirp_opt == 'internal'
2373    slirp_deps = []
2374    if targetos == 'windows'
2375      slirp_deps = cc.find_library('iphlpapi')
2376    elif targetos == 'darwin'
2377      slirp_deps = cc.find_library('resolv')
2378    endif
2379    slirp_conf = configuration_data()
2380    slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
2381    slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
2382    slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
2383    slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
2384    slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
2385    slirp_files = [
2386      'slirp/src/arp_table.c',
2387      'slirp/src/bootp.c',
2388      'slirp/src/cksum.c',
2389      'slirp/src/dhcpv6.c',
2390      'slirp/src/dnssearch.c',
2391      'slirp/src/if.c',
2392      'slirp/src/ip6_icmp.c',
2393      'slirp/src/ip6_input.c',
2394      'slirp/src/ip6_output.c',
2395      'slirp/src/ip_icmp.c',
2396      'slirp/src/ip_input.c',
2397      'slirp/src/ip_output.c',
2398      'slirp/src/mbuf.c',
2399      'slirp/src/misc.c',
2400      'slirp/src/ncsi.c',
2401      'slirp/src/ndp_table.c',
2402      'slirp/src/sbuf.c',
2403      'slirp/src/slirp.c',
2404      'slirp/src/socket.c',
2405      'slirp/src/state.c',
2406      'slirp/src/stream.c',
2407      'slirp/src/tcp_input.c',
2408      'slirp/src/tcp_output.c',
2409      'slirp/src/tcp_subr.c',
2410      'slirp/src/tcp_timer.c',
2411      'slirp/src/tftp.c',
2412      'slirp/src/udp.c',
2413      'slirp/src/udp6.c',
2414      'slirp/src/util.c',
2415      'slirp/src/version.c',
2416      'slirp/src/vmstate.c',
2417    ]
2418
2419    configure_file(
2420      input : 'slirp/src/libslirp-version.h.in',
2421      output : 'libslirp-version.h',
2422      configuration: slirp_conf)
2423
2424    slirp_inc = include_directories('slirp', 'slirp/src')
2425    libslirp = static_library('slirp',
2426                              build_by_default: false,
2427                              sources: slirp_files,
2428                              c_args: slirp_cargs,
2429                              include_directories: slirp_inc)
2430    slirp = declare_dependency(link_with: libslirp,
2431                               dependencies: slirp_deps,
2432                               include_directories: slirp_inc)
2433  endif
2434endif
2435
2436# For CFI, we need to compile slirp as a static library together with qemu.
2437# This is because we register slirp functions as callbacks for QEMU Timers.
2438# When using a system-wide shared libslirp, the type information for the
2439# callback is missing and the timer call produces a false positive with CFI.
2440#
2441# Now that slirp_opt has been defined, check if the selected slirp is compatible
2442# with control-flow integrity.
2443if get_option('cfi') and slirp_opt == 'system'
2444  error('Control-Flow Integrity is not compatible with system-wide slirp.' \
2445         + ' Please configure with --enable-slirp=git')
2446endif
2447
2448fdt = not_found
2449if have_system
2450  fdt_opt = get_option('fdt')
2451  if fdt_opt in ['enabled', 'auto', 'system']
2452    have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2453    fdt = cc.find_library('fdt', kwargs: static_kwargs,
2454                          required: fdt_opt == 'system' or
2455                                    fdt_opt == 'enabled' and not have_internal)
2456    if fdt.found() and cc.links('''
2457       #include <libfdt.h>
2458       #include <libfdt_env.h>
2459       int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2460         dependencies: fdt)
2461      fdt_opt = 'system'
2462    elif fdt_opt == 'system'
2463       error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2464    elif have_internal
2465      fdt_opt = 'internal'
2466    else
2467      fdt_opt = 'disabled'
2468      fdt = not_found
2469    endif
2470  endif
2471  if fdt_opt == 'internal'
2472    fdt_files = files(
2473      'dtc/libfdt/fdt.c',
2474      'dtc/libfdt/fdt_ro.c',
2475      'dtc/libfdt/fdt_wip.c',
2476      'dtc/libfdt/fdt_sw.c',
2477      'dtc/libfdt/fdt_rw.c',
2478      'dtc/libfdt/fdt_strerror.c',
2479      'dtc/libfdt/fdt_empty_tree.c',
2480      'dtc/libfdt/fdt_addresses.c',
2481      'dtc/libfdt/fdt_overlay.c',
2482      'dtc/libfdt/fdt_check.c',
2483    )
2484
2485    fdt_inc = include_directories('dtc/libfdt')
2486    libfdt = static_library('fdt',
2487                            build_by_default: false,
2488                            sources: fdt_files,
2489                            include_directories: fdt_inc)
2490    fdt = declare_dependency(link_with: libfdt,
2491                             include_directories: fdt_inc)
2492  endif
2493else
2494  fdt_opt = 'disabled'
2495endif
2496if not fdt.found() and fdt_required.length() > 0
2497  error('fdt not available but required by targets ' + ', '.join(fdt_required))
2498endif
2499
2500config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2501config_host_data.set('CONFIG_FDT', fdt.found())
2502config_host_data.set('CONFIG_SLIRP', slirp.found())
2503
2504#####################
2505# Generated sources #
2506#####################
2507
2508genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2509
2510hxtool = find_program('scripts/hxtool')
2511shaderinclude = find_program('scripts/shaderinclude.pl')
2512qapi_gen = find_program('scripts/qapi-gen.py')
2513qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2514                     meson.current_source_dir() / 'scripts/qapi/commands.py',
2515                     meson.current_source_dir() / 'scripts/qapi/common.py',
2516                     meson.current_source_dir() / 'scripts/qapi/error.py',
2517                     meson.current_source_dir() / 'scripts/qapi/events.py',
2518                     meson.current_source_dir() / 'scripts/qapi/expr.py',
2519                     meson.current_source_dir() / 'scripts/qapi/gen.py',
2520                     meson.current_source_dir() / 'scripts/qapi/introspect.py',
2521                     meson.current_source_dir() / 'scripts/qapi/parser.py',
2522                     meson.current_source_dir() / 'scripts/qapi/schema.py',
2523                     meson.current_source_dir() / 'scripts/qapi/source.py',
2524                     meson.current_source_dir() / 'scripts/qapi/types.py',
2525                     meson.current_source_dir() / 'scripts/qapi/visit.py',
2526                     meson.current_source_dir() / 'scripts/qapi/common.py',
2527                     meson.current_source_dir() / 'scripts/qapi-gen.py'
2528]
2529
2530tracetool = [
2531  python, files('scripts/tracetool.py'),
2532   '--backend=' + ','.join(get_option('trace_backends'))
2533]
2534tracetool_depends = files(
2535  'scripts/tracetool/backend/log.py',
2536  'scripts/tracetool/backend/__init__.py',
2537  'scripts/tracetool/backend/dtrace.py',
2538  'scripts/tracetool/backend/ftrace.py',
2539  'scripts/tracetool/backend/simple.py',
2540  'scripts/tracetool/backend/syslog.py',
2541  'scripts/tracetool/backend/ust.py',
2542  'scripts/tracetool/format/ust_events_c.py',
2543  'scripts/tracetool/format/ust_events_h.py',
2544  'scripts/tracetool/format/__init__.py',
2545  'scripts/tracetool/format/d.py',
2546  'scripts/tracetool/format/simpletrace_stap.py',
2547  'scripts/tracetool/format/c.py',
2548  'scripts/tracetool/format/h.py',
2549  'scripts/tracetool/format/log_stap.py',
2550  'scripts/tracetool/format/stap.py',
2551  'scripts/tracetool/__init__.py',
2552  'scripts/tracetool/transform.py',
2553  'scripts/tracetool/vcpu.py'
2554)
2555
2556qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2557                    meson.current_source_dir(),
2558                    config_host['PKGVERSION'], meson.project_version()]
2559qemu_version = custom_target('qemu-version.h',
2560                             output: 'qemu-version.h',
2561                             command: qemu_version_cmd,
2562                             capture: true,
2563                             build_by_default: true,
2564                             build_always_stale: true)
2565genh += qemu_version
2566
2567hxdep = []
2568hx_headers = [
2569  ['qemu-options.hx', 'qemu-options.def'],
2570  ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2571]
2572if have_system
2573  hx_headers += [
2574    ['hmp-commands.hx', 'hmp-commands.h'],
2575    ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2576  ]
2577endif
2578foreach d : hx_headers
2579  hxdep += custom_target(d[1],
2580                input: files(d[0]),
2581                output: d[1],
2582                capture: true,
2583                build_by_default: true, # to be removed when added to a target
2584                command: [hxtool, '-h', '@INPUT0@'])
2585endforeach
2586genh += hxdep
2587
2588###################
2589# Collect sources #
2590###################
2591
2592authz_ss = ss.source_set()
2593blockdev_ss = ss.source_set()
2594block_ss = ss.source_set()
2595chardev_ss = ss.source_set()
2596common_ss = ss.source_set()
2597crypto_ss = ss.source_set()
2598hwcore_ss = ss.source_set()
2599io_ss = ss.source_set()
2600qmp_ss = ss.source_set()
2601qom_ss = ss.source_set()
2602softmmu_ss = ss.source_set()
2603specific_fuzz_ss = ss.source_set()
2604specific_ss = ss.source_set()
2605stub_ss = ss.source_set()
2606trace_ss = ss.source_set()
2607user_ss = ss.source_set()
2608util_ss = ss.source_set()
2609
2610# accel modules
2611qtest_module_ss = ss.source_set()
2612tcg_module_ss = ss.source_set()
2613
2614modules = {}
2615target_modules = {}
2616hw_arch = {}
2617target_arch = {}
2618target_softmmu_arch = {}
2619target_user_arch = {}
2620
2621###############
2622# Trace files #
2623###############
2624
2625# TODO: add each directory to the subdirs from its own meson.build, once
2626# we have those
2627trace_events_subdirs = [
2628  'crypto',
2629  'qapi',
2630  'qom',
2631  'monitor',
2632  'util',
2633]
2634if have_linux_user
2635  trace_events_subdirs += [ 'linux-user' ]
2636endif
2637if have_bsd_user
2638  trace_events_subdirs += [ 'bsd-user' ]
2639endif
2640if have_block
2641  trace_events_subdirs += [
2642    'authz',
2643    'block',
2644    'io',
2645    'nbd',
2646    'scsi',
2647  ]
2648endif
2649if have_system
2650  trace_events_subdirs += [
2651    'accel/kvm',
2652    'audio',
2653    'backends',
2654    'backends/tpm',
2655    'chardev',
2656    'ebpf',
2657    'hw/9pfs',
2658    'hw/acpi',
2659    'hw/adc',
2660    'hw/alpha',
2661    'hw/arm',
2662    'hw/audio',
2663    'hw/block',
2664    'hw/block/dataplane',
2665    'hw/char',
2666    'hw/display',
2667    'hw/dma',
2668    'hw/hppa',
2669    'hw/hyperv',
2670    'hw/i2c',
2671    'hw/i386',
2672    'hw/i386/xen',
2673    'hw/ide',
2674    'hw/input',
2675    'hw/intc',
2676    'hw/isa',
2677    'hw/mem',
2678    'hw/mips',
2679    'hw/misc',
2680    'hw/misc/macio',
2681    'hw/net',
2682    'hw/net/can',
2683    'hw/nubus',
2684    'hw/nvme',
2685    'hw/nvram',
2686    'hw/pci',
2687    'hw/pci-host',
2688    'hw/ppc',
2689    'hw/rdma',
2690    'hw/rdma/vmw',
2691    'hw/rtc',
2692    'hw/s390x',
2693    'hw/scsi',
2694    'hw/sd',
2695    'hw/sh4',
2696    'hw/sparc',
2697    'hw/sparc64',
2698    'hw/ssi',
2699    'hw/timer',
2700    'hw/tpm',
2701    'hw/usb',
2702    'hw/vfio',
2703    'hw/virtio',
2704    'hw/watchdog',
2705    'hw/xen',
2706    'hw/gpio',
2707    'migration',
2708    'net',
2709    'softmmu',
2710    'ui',
2711    'hw/remote',
2712  ]
2713endif
2714if have_system or have_user
2715  trace_events_subdirs += [
2716    'accel/tcg',
2717    'hw/core',
2718    'target/arm',
2719    'target/arm/hvf',
2720    'target/hppa',
2721    'target/i386',
2722    'target/i386/kvm',
2723    'target/mips/tcg',
2724    'target/nios2',
2725    'target/ppc',
2726    'target/riscv',
2727    'target/s390x',
2728    'target/s390x/kvm',
2729    'target/sparc',
2730  ]
2731endif
2732
2733vhost_user = not_found
2734if targetos == 'linux' and 'CONFIG_VHOST_USER' in config_host
2735  libvhost_user = subproject('libvhost-user')
2736  vhost_user = libvhost_user.get_variable('vhost_user_dep')
2737endif
2738
2739# NOTE: the trace/ subdirectory needs the qapi_trace_events variable
2740# that is filled in by qapi/.
2741subdir('qapi')
2742subdir('qobject')
2743subdir('stubs')
2744subdir('trace')
2745subdir('util')
2746subdir('qom')
2747subdir('authz')
2748subdir('crypto')
2749subdir('ui')
2750
2751
2752if enable_modules
2753  libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
2754  modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
2755endif
2756
2757stub_ss = stub_ss.apply(config_all, strict: false)
2758
2759util_ss.add_all(trace_ss)
2760util_ss = util_ss.apply(config_all, strict: false)
2761libqemuutil = static_library('qemuutil',
2762                             sources: util_ss.sources() + stub_ss.sources() + genh,
2763                             dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
2764qemuutil = declare_dependency(link_with: libqemuutil,
2765                              sources: genh + version_res)
2766
2767if have_system or have_user
2768  decodetree = generator(find_program('scripts/decodetree.py'),
2769                         output: 'decode-@BASENAME@.c.inc',
2770                         arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
2771  subdir('libdecnumber')
2772  subdir('target')
2773endif
2774
2775subdir('audio')
2776subdir('io')
2777subdir('chardev')
2778subdir('fsdev')
2779subdir('dump')
2780
2781if have_block
2782  block_ss.add(files(
2783    'block.c',
2784    'blockjob.c',
2785    'job.c',
2786    'qemu-io-cmds.c',
2787  ))
2788  if config_host_data.get('CONFIG_REPLICATION')
2789    block_ss.add(files('replication.c'))
2790  endif
2791
2792  subdir('nbd')
2793  subdir('scsi')
2794  subdir('block')
2795
2796  blockdev_ss.add(files(
2797    'blockdev.c',
2798    'blockdev-nbd.c',
2799    'iothread.c',
2800    'job-qmp.c',
2801  ), gnutls)
2802
2803  # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
2804  # os-win32.c does not
2805  blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
2806  softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
2807endif
2808
2809common_ss.add(files('cpus-common.c'))
2810
2811subdir('softmmu')
2812
2813common_ss.add(capstone)
2814specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
2815
2816# Work around a gcc bug/misfeature wherein constant propagation looks
2817# through an alias:
2818#   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
2819# to guess that a const variable is always zero.  Without lto, this is
2820# impossible, as the alias is restricted to page-vary-common.c.  Indeed,
2821# without lto, not even the alias is required -- we simply use different
2822# declarations in different compilation units.
2823pagevary = files('page-vary-common.c')
2824if get_option('b_lto')
2825  pagevary_flags = ['-fno-lto']
2826  if get_option('cfi')
2827    pagevary_flags += '-fno-sanitize=cfi-icall'
2828  endif
2829  pagevary = static_library('page-vary-common', sources: pagevary,
2830                            c_args: pagevary_flags)
2831  pagevary = declare_dependency(link_with: pagevary)
2832endif
2833common_ss.add(pagevary)
2834specific_ss.add(files('page-vary.c'))
2835
2836subdir('backends')
2837subdir('disas')
2838subdir('migration')
2839subdir('monitor')
2840subdir('net')
2841subdir('replay')
2842subdir('semihosting')
2843subdir('hw')
2844subdir('tcg')
2845subdir('fpu')
2846subdir('accel')
2847subdir('plugins')
2848subdir('ebpf')
2849
2850common_user_inc = []
2851
2852subdir('common-user')
2853subdir('bsd-user')
2854subdir('linux-user')
2855
2856# needed for fuzzing binaries
2857subdir('tests/qtest/libqos')
2858subdir('tests/qtest/fuzz')
2859
2860# accel modules
2861tcg_real_module_ss = ss.source_set()
2862tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
2863specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
2864target_modules += { 'accel' : { 'qtest': qtest_module_ss,
2865                                'tcg': tcg_real_module_ss }}
2866
2867########################
2868# Library dependencies #
2869########################
2870
2871modinfo_collect = find_program('scripts/modinfo-collect.py')
2872modinfo_generate = find_program('scripts/modinfo-generate.py')
2873modinfo_files = []
2874
2875block_mods = []
2876softmmu_mods = []
2877foreach d, list : modules
2878  foreach m, module_ss : list
2879    if enable_modules and targetos != 'windows'
2880      module_ss = module_ss.apply(config_all, strict: false)
2881      sl = static_library(d + '-' + m, [genh, module_ss.sources()],
2882                          dependencies: [modulecommon, module_ss.dependencies()], pic: true)
2883      if d == 'block'
2884        block_mods += sl
2885      else
2886        softmmu_mods += sl
2887      endif
2888      if module_ss.sources() != []
2889        # FIXME: Should use sl.extract_all_objects(recursive: true) as
2890        # input. Sources can be used multiple times but objects are
2891        # unique when it comes to lookup in compile_commands.json.
2892        # Depnds on a mesion version with
2893        # https://github.com/mesonbuild/meson/pull/8900
2894        modinfo_files += custom_target(d + '-' + m + '.modinfo',
2895                                       output: d + '-' + m + '.modinfo',
2896                                       input: module_ss.sources() + genh,
2897                                       capture: true,
2898                                       command: [modinfo_collect, module_ss.sources()])
2899      endif
2900    else
2901      if d == 'block'
2902        block_ss.add_all(module_ss)
2903      else
2904        softmmu_ss.add_all(module_ss)
2905      endif
2906    endif
2907  endforeach
2908endforeach
2909
2910foreach d, list : target_modules
2911  foreach m, module_ss : list
2912    if enable_modules and targetos != 'windows'
2913      foreach target : target_dirs
2914        if target.endswith('-softmmu')
2915          config_target = config_target_mak[target]
2916          config_target += config_host
2917          target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
2918          c_args = ['-DNEED_CPU_H',
2919                    '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
2920                    '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
2921          target_module_ss = module_ss.apply(config_target, strict: false)
2922          if target_module_ss.sources() != []
2923            module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
2924            sl = static_library(module_name,
2925                                [genh, target_module_ss.sources()],
2926                                dependencies: [modulecommon, target_module_ss.dependencies()],
2927                                include_directories: target_inc,
2928                                c_args: c_args,
2929                                pic: true)
2930            softmmu_mods += sl
2931            # FIXME: Should use sl.extract_all_objects(recursive: true) too.
2932            modinfo_files += custom_target(module_name + '.modinfo',
2933                                           output: module_name + '.modinfo',
2934                                           input: target_module_ss.sources() + genh,
2935                                           capture: true,
2936                                           command: [modinfo_collect, '--target', target, target_module_ss.sources()])
2937          endif
2938        endif
2939      endforeach
2940    else
2941      specific_ss.add_all(module_ss)
2942    endif
2943  endforeach
2944endforeach
2945
2946if enable_modules
2947  modinfo_src = custom_target('modinfo.c',
2948                              output: 'modinfo.c',
2949                              input: modinfo_files,
2950                              command: [modinfo_generate, '@INPUT@'],
2951                              capture: true)
2952  modinfo_lib = static_library('modinfo', modinfo_src)
2953  modinfo_dep = declare_dependency(link_whole: modinfo_lib)
2954  softmmu_ss.add(modinfo_dep)
2955endif
2956
2957nm = find_program('nm')
2958undefsym = find_program('scripts/undefsym.py')
2959block_syms = custom_target('block.syms', output: 'block.syms',
2960                             input: [libqemuutil, block_mods],
2961                             capture: true,
2962                             command: [undefsym, nm, '@INPUT@'])
2963qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
2964                             input: [libqemuutil, softmmu_mods],
2965                             capture: true,
2966                             command: [undefsym, nm, '@INPUT@'])
2967
2968qom_ss = qom_ss.apply(config_host, strict: false)
2969libqom = static_library('qom', qom_ss.sources() + genh,
2970                        dependencies: [qom_ss.dependencies()],
2971                        name_suffix: 'fa')
2972
2973qom = declare_dependency(link_whole: libqom)
2974
2975authz_ss = authz_ss.apply(config_host, strict: false)
2976libauthz = static_library('authz', authz_ss.sources() + genh,
2977                          dependencies: [authz_ss.dependencies()],
2978                          name_suffix: 'fa',
2979                          build_by_default: false)
2980
2981authz = declare_dependency(link_whole: libauthz,
2982                           dependencies: qom)
2983
2984crypto_ss = crypto_ss.apply(config_host, strict: false)
2985libcrypto = static_library('crypto', crypto_ss.sources() + genh,
2986                           dependencies: [crypto_ss.dependencies()],
2987                           name_suffix: 'fa',
2988                           build_by_default: false)
2989
2990crypto = declare_dependency(link_whole: libcrypto,
2991                            dependencies: [authz, qom])
2992
2993io_ss = io_ss.apply(config_host, strict: false)
2994libio = static_library('io', io_ss.sources() + genh,
2995                       dependencies: [io_ss.dependencies()],
2996                       link_with: libqemuutil,
2997                       name_suffix: 'fa',
2998                       build_by_default: false)
2999
3000io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3001
3002libmigration = static_library('migration', sources: migration_files + genh,
3003                              name_suffix: 'fa',
3004                              build_by_default: false)
3005migration = declare_dependency(link_with: libmigration,
3006                               dependencies: [zlib, qom, io])
3007softmmu_ss.add(migration)
3008
3009block_ss = block_ss.apply(config_host, strict: false)
3010libblock = static_library('block', block_ss.sources() + genh,
3011                          dependencies: block_ss.dependencies(),
3012                          link_depends: block_syms,
3013                          name_suffix: 'fa',
3014                          build_by_default: false)
3015
3016block = declare_dependency(link_whole: [libblock],
3017                           link_args: '@block.syms',
3018                           dependencies: [crypto, io])
3019
3020blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3021libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3022                             dependencies: blockdev_ss.dependencies(),
3023                             name_suffix: 'fa',
3024                             build_by_default: false)
3025
3026blockdev = declare_dependency(link_whole: [libblockdev],
3027                              dependencies: [block])
3028
3029qmp_ss = qmp_ss.apply(config_host, strict: false)
3030libqmp = static_library('qmp', qmp_ss.sources() + genh,
3031                        dependencies: qmp_ss.dependencies(),
3032                        name_suffix: 'fa',
3033                        build_by_default: false)
3034
3035qmp = declare_dependency(link_whole: [libqmp])
3036
3037libchardev = static_library('chardev', chardev_ss.sources() + genh,
3038                            name_suffix: 'fa',
3039                            dependencies: [gnutls],
3040                            build_by_default: false)
3041
3042chardev = declare_dependency(link_whole: libchardev)
3043
3044hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3045libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3046                           name_suffix: 'fa',
3047                           build_by_default: false)
3048hwcore = declare_dependency(link_whole: libhwcore)
3049common_ss.add(hwcore)
3050
3051###########
3052# Targets #
3053###########
3054
3055emulator_modules = []
3056foreach m : block_mods + softmmu_mods
3057  emulator_modules += shared_module(m.name(),
3058                build_by_default: true,
3059                name_prefix: '',
3060                link_whole: m,
3061                install: true,
3062                install_dir: qemu_moddir)
3063endforeach
3064
3065softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3066common_ss.add(qom, qemuutil)
3067
3068common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3069common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3070
3071common_all = common_ss.apply(config_all, strict: false)
3072common_all = static_library('common',
3073                            build_by_default: false,
3074                            sources: common_all.sources() + genh,
3075                            include_directories: common_user_inc,
3076                            implicit_include_directories: false,
3077                            dependencies: common_all.dependencies(),
3078                            name_suffix: 'fa')
3079
3080feature_to_c = find_program('scripts/feature_to_c.sh')
3081
3082if targetos == 'darwin'
3083  entitlement = find_program('scripts/entitlement.sh')
3084endif
3085
3086emulators = {}
3087foreach target : target_dirs
3088  config_target = config_target_mak[target]
3089  target_name = config_target['TARGET_NAME']
3090  target_base_arch = config_target['TARGET_BASE_ARCH']
3091  arch_srcs = [config_target_h[target]]
3092  arch_deps = []
3093  c_args = ['-DNEED_CPU_H',
3094            '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3095            '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3096  link_args = emulator_link_args
3097
3098  config_target += config_host
3099  target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3100  if targetos == 'linux'
3101    target_inc += include_directories('linux-headers', is_system: true)
3102  endif
3103  if target.endswith('-softmmu')
3104    qemu_target_name = 'qemu-system-' + target_name
3105    target_type='system'
3106    t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3107    arch_srcs += t.sources()
3108    arch_deps += t.dependencies()
3109
3110    hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3111    hw = hw_arch[hw_dir].apply(config_target, strict: false)
3112    arch_srcs += hw.sources()
3113    arch_deps += hw.dependencies()
3114
3115    arch_srcs += config_devices_h[target]
3116    link_args += ['@block.syms', '@qemu.syms']
3117  else
3118    abi = config_target['TARGET_ABI_DIR']
3119    target_type='user'
3120    target_inc += common_user_inc
3121    qemu_target_name = 'qemu-' + target_name
3122    if target_base_arch in target_user_arch
3123      t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3124      arch_srcs += t.sources()
3125      arch_deps += t.dependencies()
3126    endif
3127    if 'CONFIG_LINUX_USER' in config_target
3128      base_dir = 'linux-user'
3129    endif
3130    if 'CONFIG_BSD_USER' in config_target
3131      base_dir = 'bsd-user'
3132      target_inc += include_directories('bsd-user/' / targetos)
3133      target_inc += include_directories('bsd-user/host/' / host_arch)
3134      dir = base_dir / abi
3135      arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3136    endif
3137    target_inc += include_directories(
3138      base_dir,
3139      base_dir / abi,
3140    )
3141    if 'CONFIG_LINUX_USER' in config_target
3142      dir = base_dir / abi
3143      arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3144      if config_target.has_key('TARGET_SYSTBL_ABI')
3145        arch_srcs += \
3146          syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3147                                             extra_args : config_target['TARGET_SYSTBL_ABI'])
3148      endif
3149    endif
3150  endif
3151
3152  if 'TARGET_XML_FILES' in config_target
3153    gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3154                                output: target + '-gdbstub-xml.c',
3155                                input: files(config_target['TARGET_XML_FILES'].split()),
3156                                command: [feature_to_c, '@INPUT@'],
3157                                capture: true)
3158    arch_srcs += gdbstub_xml
3159  endif
3160
3161  t = target_arch[target_base_arch].apply(config_target, strict: false)
3162  arch_srcs += t.sources()
3163  arch_deps += t.dependencies()
3164
3165  target_common = common_ss.apply(config_target, strict: false)
3166  objects = common_all.extract_objects(target_common.sources())
3167  deps = target_common.dependencies()
3168
3169  target_specific = specific_ss.apply(config_target, strict: false)
3170  arch_srcs += target_specific.sources()
3171  arch_deps += target_specific.dependencies()
3172
3173  lib = static_library('qemu-' + target,
3174                 sources: arch_srcs + genh,
3175                 dependencies: arch_deps,
3176                 objects: objects,
3177                 include_directories: target_inc,
3178                 c_args: c_args,
3179                 build_by_default: false,
3180                 name_suffix: 'fa')
3181
3182  if target.endswith('-softmmu')
3183    execs = [{
3184      'name': 'qemu-system-' + target_name,
3185      'win_subsystem': 'console',
3186      'sources': files('softmmu/main.c'),
3187      'dependencies': []
3188    }]
3189    if targetos == 'windows' and (sdl.found() or gtk.found())
3190      execs += [{
3191        'name': 'qemu-system-' + target_name + 'w',
3192        'win_subsystem': 'windows',
3193        'sources': files('softmmu/main.c'),
3194        'dependencies': []
3195      }]
3196    endif
3197    if get_option('fuzzing')
3198      specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3199      execs += [{
3200        'name': 'qemu-fuzz-' + target_name,
3201        'win_subsystem': 'console',
3202        'sources': specific_fuzz.sources(),
3203        'dependencies': specific_fuzz.dependencies(),
3204      }]
3205    endif
3206  else
3207    execs = [{
3208      'name': 'qemu-' + target_name,
3209      'win_subsystem': 'console',
3210      'sources': [],
3211      'dependencies': []
3212    }]
3213  endif
3214  foreach exe: execs
3215    exe_name = exe['name']
3216    if targetos == 'darwin'
3217      exe_name += '-unsigned'
3218    endif
3219
3220    emulator = executable(exe_name, exe['sources'],
3221               install: true,
3222               c_args: c_args,
3223               dependencies: arch_deps + deps + exe['dependencies'],
3224               objects: lib.extract_all_objects(recursive: true),
3225               link_language: link_language,
3226               link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3227               link_args: link_args,
3228               win_subsystem: exe['win_subsystem'])
3229
3230    if targetos == 'darwin'
3231      icon = 'pc-bios/qemu.rsrc'
3232      build_input = [emulator, files(icon)]
3233      install_input = [
3234        get_option('bindir') / exe_name,
3235        meson.current_source_dir() / icon
3236      ]
3237      if 'CONFIG_HVF' in config_target
3238        entitlements = 'accel/hvf/entitlements.plist'
3239        build_input += files(entitlements)
3240        install_input += meson.current_source_dir() / entitlements
3241      endif
3242
3243      emulators += {exe['name'] : custom_target(exe['name'],
3244                   input: build_input,
3245                   output: exe['name'],
3246                   command: [entitlement, '@OUTPUT@', '@INPUT@'])
3247      }
3248
3249      meson.add_install_script(entitlement, '--install',
3250                               get_option('bindir') / exe['name'],
3251                               install_input)
3252    else
3253      emulators += {exe['name']: emulator}
3254    endif
3255
3256    if stap.found()
3257      foreach stp: [
3258        {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3259        {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3260        {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3261        {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3262      ]
3263        custom_target(exe['name'] + stp['ext'],
3264                      input: trace_events_all,
3265                      output: exe['name'] + stp['ext'],
3266                      install: stp['install'],
3267                      install_dir: get_option('datadir') / 'systemtap/tapset',
3268                      command: [
3269                        tracetool, '--group=all', '--format=' + stp['fmt'],
3270                        '--binary=' + stp['bin'],
3271                        '--target-name=' + target_name,
3272                        '--target-type=' + target_type,
3273                        '--probe-prefix=qemu.' + target_type + '.' + target_name,
3274                        '@INPUT@', '@OUTPUT@'
3275                      ],
3276                      depend_files: tracetool_depends)
3277      endforeach
3278    endif
3279  endforeach
3280endforeach
3281
3282# Other build targets
3283
3284if 'CONFIG_PLUGIN' in config_host
3285  install_headers('include/qemu/qemu-plugin.h')
3286endif
3287
3288subdir('qga')
3289
3290# Don't build qemu-keymap if xkbcommon is not explicitly enabled
3291# when we don't build tools or system
3292if xkbcommon.found()
3293  # used for the update-keymaps target, so include rules even if !have_tools
3294  qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3295                           dependencies: [qemuutil, xkbcommon], install: have_tools)
3296endif
3297
3298if have_tools
3299  qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3300             dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3301  qemu_io = executable('qemu-io', files('qemu-io.c'),
3302             dependencies: [block, qemuutil], install: true)
3303  qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3304               dependencies: [blockdev, qemuutil, gnutls, selinux],
3305               install: true)
3306
3307  subdir('storage-daemon')
3308  subdir('contrib/rdmacm-mux')
3309  subdir('contrib/elf2dmp')
3310
3311  executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3312             dependencies: qemuutil,
3313             install: true)
3314
3315  if 'CONFIG_VHOST_USER' in config_host
3316    subdir('contrib/vhost-user-blk')
3317    subdir('contrib/vhost-user-gpu')
3318    subdir('contrib/vhost-user-input')
3319    subdir('contrib/vhost-user-scsi')
3320  endif
3321
3322  if targetos == 'linux'
3323    executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3324               dependencies: [qemuutil, libcap_ng],
3325               install: true,
3326               install_dir: get_option('libexecdir'))
3327
3328    executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3329               dependencies: [authz, crypto, io, qom, qemuutil,
3330                              libcap_ng, mpathpersist],
3331               install: true)
3332  endif
3333
3334  if have_ivshmem
3335    subdir('contrib/ivshmem-client')
3336    subdir('contrib/ivshmem-server')
3337  endif
3338endif
3339
3340subdir('scripts')
3341subdir('tools')
3342subdir('pc-bios')
3343subdir('docs')
3344subdir('tests')
3345if gtk.found()
3346  subdir('po')
3347endif
3348
3349if host_machine.system() == 'windows'
3350  nsis_cmd = [
3351    find_program('scripts/nsis.py'),
3352    '@OUTPUT@',
3353    get_option('prefix'),
3354    meson.current_source_dir(),
3355    host_machine.cpu(),
3356    '--',
3357    '-DDISPLAYVERSION=' + meson.project_version(),
3358  ]
3359  if build_docs
3360    nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3361  endif
3362  if gtk.found()
3363    nsis_cmd += '-DCONFIG_GTK=y'
3364  endif
3365
3366  nsis = custom_target('nsis',
3367                       output: 'qemu-setup-' + meson.project_version() + '.exe',
3368                       input: files('qemu.nsi'),
3369                       build_always_stale: true,
3370                       command: nsis_cmd + ['@INPUT@'])
3371  alias_target('installer', nsis)
3372endif
3373
3374#########################
3375# Configuration summary #
3376#########################
3377
3378# Directories
3379summary_info = {}
3380summary_info += {'Install prefix':    get_option('prefix')}
3381summary_info += {'BIOS directory':    qemu_datadir}
3382summary_info += {'firmware path':     get_option('qemu_firmwarepath')}
3383summary_info += {'binary directory':  get_option('bindir')}
3384summary_info += {'library directory': get_option('libdir')}
3385summary_info += {'module directory':  qemu_moddir}
3386summary_info += {'libexec directory': get_option('libexecdir')}
3387summary_info += {'include directory': get_option('includedir')}
3388summary_info += {'config directory':  get_option('sysconfdir')}
3389if targetos != 'windows'
3390  summary_info += {'local state directory': get_option('localstatedir')}
3391  summary_info += {'Manual directory':      get_option('mandir')}
3392else
3393  summary_info += {'local state directory': 'queried at runtime'}
3394endif
3395summary_info += {'Doc directory':     get_option('docdir')}
3396summary_info += {'Build directory':   meson.current_build_dir()}
3397summary_info += {'Source path':       meson.current_source_dir()}
3398summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3399summary(summary_info, bool_yn: true, section: 'Directories')
3400
3401# Host binaries
3402summary_info = {}
3403summary_info += {'git':               config_host['GIT']}
3404summary_info += {'make':              config_host['MAKE']}
3405summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3406summary_info += {'sphinx-build':      sphinx_build}
3407if config_host.has_key('HAVE_GDB_BIN')
3408  summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3409endif
3410if get_option('iasl') != ''
3411  summary_info += {'iasl':            get_option('iasl')}
3412else
3413  summary_info += {'iasl':            false}
3414endif
3415summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3416if targetos == 'windows' and have_ga
3417  summary_info += {'wixl':            wixl}
3418endif
3419if slirp_opt != 'disabled' and have_system
3420  summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3421endif
3422summary(summary_info, bool_yn: true, section: 'Host binaries')
3423
3424# Configurable features
3425summary_info = {}
3426summary_info += {'Documentation':     build_docs}
3427summary_info += {'system-mode emulation': have_system}
3428summary_info += {'user-mode emulation': have_user}
3429summary_info += {'block layer':       have_block}
3430summary_info += {'Install blobs':     get_option('install_blobs')}
3431summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3432if config_host.has_key('CONFIG_MODULES')
3433  summary_info += {'alternative module path': config_host.has_key('CONFIG_MODULE_UPGRADES')}
3434endif
3435summary_info += {'fuzzing support':   get_option('fuzzing')}
3436if have_system
3437  summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3438endif
3439summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3440if 'simple' in get_option('trace_backends')
3441  summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3442endif
3443summary_info += {'D-Bus display':     dbus_display}
3444summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3445summary_info += {'vhost-kernel support': config_host.has_key('CONFIG_VHOST_KERNEL')}
3446summary_info += {'vhost-net support': config_host.has_key('CONFIG_VHOST_NET')}
3447summary_info += {'vhost-crypto support': config_host.has_key('CONFIG_VHOST_CRYPTO')}
3448summary_info += {'vhost-scsi support': config_host.has_key('CONFIG_VHOST_SCSI')}
3449summary_info += {'vhost-vsock support': config_host.has_key('CONFIG_VHOST_VSOCK')}
3450summary_info += {'vhost-user support': config_host.has_key('CONFIG_VHOST_USER')}
3451summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3452summary_info += {'vhost-user-fs support': config_host.has_key('CONFIG_VHOST_USER_FS')}
3453summary_info += {'vhost-vdpa support': config_host.has_key('CONFIG_VHOST_VDPA')}
3454summary_info += {'build guest agent': have_ga}
3455summary(summary_info, bool_yn: true, section: 'Configurable features')
3456
3457# Compilation information
3458summary_info = {}
3459summary_info += {'host CPU':          cpu}
3460summary_info += {'host endianness':   build_machine.endian()}
3461summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3462summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3463if link_language == 'cpp'
3464  summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3465else
3466  summary_info += {'C++ compiler':      false}
3467endif
3468if targetos == 'darwin'
3469  summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3470endif
3471summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
3472                                               + ['-O' + get_option('optimization')]
3473                                               + (get_option('debug') ? ['-g'] : []))}
3474if link_language == 'cpp'
3475  summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
3476                                               + ['-O' + get_option('optimization')]
3477                                               + (get_option('debug') ? ['-g'] : []))}
3478endif
3479if targetos == 'darwin'
3480  summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args')
3481                                               + ['-O' + get_option('optimization')]
3482                                               + (get_option('debug') ? ['-g'] : []))}
3483endif
3484link_args = get_option(link_language + '_link_args')
3485if link_args.length() > 0
3486  summary_info += {'LDFLAGS':         ' '.join(link_args)}
3487endif
3488summary_info += {'QEMU_CFLAGS':       config_host['QEMU_CFLAGS']}
3489summary_info += {'QEMU_CXXFLAGS':     config_host['QEMU_CXXFLAGS']}
3490summary_info += {'QEMU_OBJCFLAGS':    config_host['QEMU_OBJCFLAGS']}
3491summary_info += {'QEMU_LDFLAGS':      config_host['QEMU_LDFLAGS']}
3492summary_info += {'profiler':          get_option('profiler')}
3493summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3494summary_info += {'PIE':               get_option('b_pie')}
3495summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3496summary_info += {'malloc trim support': has_malloc_trim}
3497summary_info += {'membarrier':        have_membarrier}
3498summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3499summary_info += {'mutex debugging':   get_option('debug_mutex')}
3500summary_info += {'memory allocator':  get_option('malloc')}
3501summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3502summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3503summary_info += {'gprof enabled':     get_option('gprof')}
3504summary_info += {'gcov':              get_option('b_coverage')}
3505summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3506summary_info += {'CFI support':       get_option('cfi')}
3507if get_option('cfi')
3508  summary_info += {'CFI debug support': get_option('cfi_debug')}
3509endif
3510summary_info += {'strip binaries':    get_option('strip')}
3511summary_info += {'sparse':            sparse}
3512summary_info += {'mingw32 support':   targetos == 'windows'}
3513
3514# snarf the cross-compilation information for tests
3515foreach target: target_dirs
3516  tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + '.mak'
3517  if fs.exists(tcg_mak)
3518    config_cross_tcg = keyval.load(tcg_mak)
3519    target = config_cross_tcg['TARGET_NAME']
3520    compiler = ''
3521    if 'DOCKER_CROSS_CC_GUEST' in config_cross_tcg
3522      summary_info += {target + ' tests': config_cross_tcg['DOCKER_CROSS_CC_GUEST'] +
3523                                          ' via ' + config_cross_tcg['DOCKER_IMAGE']}
3524    elif 'CROSS_CC_GUEST' in config_cross_tcg
3525      summary_info += {target + ' tests'
3526                                : config_cross_tcg['CROSS_CC_GUEST'] }
3527    endif
3528   endif
3529endforeach
3530
3531summary(summary_info, bool_yn: true, section: 'Compilation')
3532
3533# Targets and accelerators
3534summary_info = {}
3535if have_system
3536  summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3537  summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3538  summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3539  summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3540  summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3541  summary_info += {'Xen support':       config_host.has_key('CONFIG_XEN_BACKEND')}
3542  if config_host.has_key('CONFIG_XEN_BACKEND')
3543    summary_info += {'xen ctrl version':  config_host['CONFIG_XEN_CTRL_INTERFACE_VERSION']}
3544  endif
3545endif
3546summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3547if config_all.has_key('CONFIG_TCG')
3548  if get_option('tcg_interpreter')
3549    summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3550  else
3551    summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3552  endif
3553  summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3554  summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3555endif
3556summary_info += {'target list':       ' '.join(target_dirs)}
3557if have_system
3558  summary_info += {'default devices':   get_option('default_devices')}
3559  summary_info += {'out of process emulation': multiprocess_allowed}
3560endif
3561summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3562
3563# Block layer
3564summary_info = {}
3565summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3566summary_info += {'coroutine pool':    have_coroutine_pool}
3567if have_block
3568  summary_info += {'Block whitelist (rw)': config_host['CONFIG_BDRV_RW_WHITELIST']}
3569  summary_info += {'Block whitelist (ro)': config_host['CONFIG_BDRV_RO_WHITELIST']}
3570  summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3571  summary_info += {'VirtFS support':    have_virtfs}
3572  summary_info += {'build virtiofs daemon': have_virtiofsd}
3573  summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3574  summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3575  summary_info += {'bochs support':     get_option('bochs').allowed()}
3576  summary_info += {'cloop support':     get_option('cloop').allowed()}
3577  summary_info += {'dmg support':       get_option('dmg').allowed()}
3578  summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3579  summary_info += {'vdi support':       get_option('vdi').allowed()}
3580  summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3581  summary_info += {'qed support':       get_option('qed').allowed()}
3582  summary_info += {'parallels support': get_option('parallels').allowed()}
3583  summary_info += {'FUSE exports':      fuse}
3584endif
3585summary(summary_info, bool_yn: true, section: 'Block layer support')
3586
3587# Crypto
3588summary_info = {}
3589summary_info += {'TLS priority':      config_host['CONFIG_TLS_PRIORITY']}
3590summary_info += {'GNUTLS support':    gnutls}
3591if gnutls.found()
3592  summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3593endif
3594summary_info += {'libgcrypt':         gcrypt}
3595summary_info += {'nettle':            nettle}
3596if nettle.found()
3597   summary_info += {'  XTS':             xts != 'private'}
3598endif
3599summary_info += {'AF_ALG support':    have_afalg}
3600summary_info += {'rng-none':          get_option('rng_none')}
3601summary_info += {'Linux keyring':     config_host.has_key('CONFIG_SECRET_KEYRING')}
3602summary(summary_info, bool_yn: true, section: 'Crypto')
3603
3604# Libraries
3605summary_info = {}
3606if targetos == 'darwin'
3607  summary_info += {'Cocoa support':   cocoa}
3608endif
3609summary_info += {'SDL support':       sdl}
3610summary_info += {'SDL image support': sdl_image}
3611summary_info += {'GTK support':       gtk}
3612summary_info += {'pixman':            pixman}
3613summary_info += {'VTE support':       vte}
3614summary_info += {'slirp support':     slirp_opt == 'internal' ? slirp_opt : slirp}
3615summary_info += {'libtasn1':          tasn1}
3616summary_info += {'PAM':               pam}
3617summary_info += {'iconv support':     iconv}
3618summary_info += {'curses support':    curses}
3619summary_info += {'virgl support':     virgl}
3620summary_info += {'curl support':      curl}
3621summary_info += {'Multipath support': mpathpersist}
3622summary_info += {'VNC support':       vnc}
3623if vnc.found()
3624  summary_info += {'VNC SASL support':  sasl}
3625  summary_info += {'VNC JPEG support':  jpeg}
3626  summary_info += {'VNC PNG support':   png}
3627endif
3628if targetos not in ['darwin', 'haiku', 'windows']
3629  summary_info += {'OSS support':     oss}
3630elif targetos == 'darwin'
3631  summary_info += {'CoreAudio support': coreaudio}
3632elif targetos == 'windows'
3633  summary_info += {'DirectSound support': dsound}
3634endif
3635if targetos == 'linux'
3636  summary_info += {'ALSA support':    alsa}
3637  summary_info += {'PulseAudio support': pulse}
3638endif
3639summary_info += {'JACK support':      jack}
3640summary_info += {'brlapi support':    brlapi}
3641summary_info += {'vde support':       vde}
3642summary_info += {'netmap support':    have_netmap}
3643summary_info += {'l2tpv3 support':    have_l2tpv3}
3644summary_info += {'Linux AIO support': libaio}
3645summary_info += {'Linux io_uring support': linux_io_uring}
3646summary_info += {'ATTR/XATTR support': libattr}
3647summary_info += {'RDMA support':      config_host.has_key('CONFIG_RDMA')}
3648summary_info += {'PVRDMA support':    config_host.has_key('CONFIG_PVRDMA')}
3649summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3650summary_info += {'libcap-ng support': libcap_ng}
3651summary_info += {'bpf support':       libbpf}
3652summary_info += {'spice protocol support': spice_protocol}
3653if spice_protocol.found()
3654  summary_info += {'  spice server support': spice}
3655endif
3656summary_info += {'rbd support':       rbd}
3657summary_info += {'smartcard support': cacard}
3658summary_info += {'U2F support':       u2f}
3659summary_info += {'libusb':            libusb}
3660summary_info += {'usb net redir':     usbredir}
3661summary_info += {'OpenGL support':    config_host.has_key('CONFIG_OPENGL')}
3662summary_info += {'GBM':               gbm}
3663summary_info += {'libiscsi support':  libiscsi}
3664summary_info += {'libnfs support':    libnfs}
3665if targetos == 'windows'
3666  if have_ga
3667    summary_info += {'QGA VSS support':   have_qga_vss}
3668    summary_info += {'QGA w32 disk info': have_ntddscsi}
3669  endif
3670endif
3671summary_info += {'seccomp support':   seccomp}
3672summary_info += {'GlusterFS support': glusterfs}
3673summary_info += {'TPM support':       have_tpm}
3674summary_info += {'libssh support':    libssh}
3675summary_info += {'lzo support':       lzo}
3676summary_info += {'snappy support':    snappy}
3677summary_info += {'bzip2 support':     libbzip2}
3678summary_info += {'lzfse support':     liblzfse}
3679summary_info += {'zstd support':      zstd}
3680summary_info += {'NUMA host support': numa}
3681summary_info += {'capstone':          capstone_opt == 'internal' ? capstone_opt : capstone}
3682summary_info += {'libpmem support':   libpmem}
3683summary_info += {'libdaxctl support': libdaxctl}
3684summary_info += {'libudev':           libudev}
3685# Dummy dependency, keep .found()
3686summary_info += {'FUSE lseek':        fuse_lseek.found()}
3687summary_info += {'selinux':           selinux}
3688summary(summary_info, bool_yn: true, section: 'Dependencies')
3689
3690if not supported_cpus.contains(cpu)
3691  message()
3692  warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3693  message()
3694  message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3695  message('The QEMU project intends to remove support for this host CPU in')
3696  message('a future release if nobody volunteers to maintain it and to')
3697  message('provide a build host for our continuous integration setup.')
3698  message('configure has succeeded and you can continue to build, but')
3699  message('if you care about QEMU on this platform you should contact')
3700  message('us upstream at qemu-devel@nongnu.org.')
3701endif
3702
3703if not supported_oses.contains(targetos)
3704  message()
3705  warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3706  message()
3707  message('Host OS ' + targetos + 'support is not currently maintained.')
3708  message('The QEMU project intends to remove support for this host OS in')
3709  message('a future release if nobody volunteers to maintain it and to')
3710  message('provide a build host for our continuous integration setup.')
3711  message('configure has succeeded and you can continue to build, but')
3712  message('if you care about QEMU on this platform you should contact')
3713  message('us upstream at qemu-devel@nongnu.org.')
3714endif
3715