xref: /openbmc/qemu/meson.build (revision 8eb806a7)
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: ['slow', 'thorough'], is_default: true)
7add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
8add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
9
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, version: '>= 2.1',
459                     method: 'pkg-config', 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)
1595
1596have_coroutine_pool = get_option('coroutine_pool')
1597if get_option('debug_stack_usage') and have_coroutine_pool
1598  message('Disabling coroutine pool to measure stack usage')
1599  have_coroutine_pool = false
1600endif
1601config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1602config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1603config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1604config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1605config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1606config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1607config_host_data.set('CONFIG_REPLICATION', get_option('live_block_migration').allowed())
1608
1609# has_header
1610config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1611config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1612config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1613config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1614config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1615config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1616config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1617config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1618config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1619
1620# has_function
1621config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1622config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1623config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1624config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1625config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1626# Note that we need to specify prefix: here to avoid incorrectly
1627# thinking that Windows has posix_memalign()
1628config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1629config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1630config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1631config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1632config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1633config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1634config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1635config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1636config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1637config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1638config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1639config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1640config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1641config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1642config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1643config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1644if rdma.found()
1645  config_host_data.set('HAVE_IBV_ADVISE_MR',
1646                       cc.has_function('ibv_advise_mr',
1647                                       args: config_host['RDMA_LIBS'].split(),
1648                                       prefix: '#include <infiniband/verbs.h>'))
1649endif
1650
1651# has_header_symbol
1652config_host_data.set('CONFIG_BYTESWAP_H',
1653                     cc.has_header_symbol('byteswap.h', 'bswap_32'))
1654config_host_data.set('CONFIG_EPOLL_CREATE1',
1655                     cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
1656config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
1657                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
1658                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
1659config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
1660                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
1661config_host_data.set('CONFIG_FIEMAP',
1662                     cc.has_header('linux/fiemap.h') and
1663                     cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
1664config_host_data.set('CONFIG_GETRANDOM',
1665                     cc.has_function('getrandom') and
1666                     cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
1667config_host_data.set('CONFIG_INOTIFY',
1668                     cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
1669config_host_data.set('CONFIG_INOTIFY1',
1670                     cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
1671config_host_data.set('CONFIG_MACHINE_BSWAP_H',
1672                     cc.has_header_symbol('machine/bswap.h', 'bswap32',
1673                                          prefix: '''#include <sys/endian.h>
1674                                                     #include <sys/types.h>'''))
1675config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
1676                     cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
1677config_host_data.set('CONFIG_RTNETLINK',
1678                     cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
1679config_host_data.set('CONFIG_SYSMACROS',
1680                     cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1681config_host_data.set('HAVE_OPTRESET',
1682                     cc.has_header_symbol('getopt.h', 'optreset'))
1683config_host_data.set('HAVE_IPPROTO_MPTCP',
1684                     cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
1685
1686# has_member
1687config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
1688                     cc.has_member('struct sigevent', 'sigev_notify_thread_id',
1689                                   prefix: '#include <signal.h>'))
1690config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
1691                     cc.has_member('struct stat', 'st_atim',
1692                                   prefix: '#include <sys/stat.h>'))
1693
1694# has_type
1695config_host_data.set('CONFIG_IOVEC',
1696                     cc.has_type('struct iovec',
1697                                 prefix: '#include <sys/uio.h>'))
1698config_host_data.set('HAVE_UTMPX',
1699                     cc.has_type('struct utmpx',
1700                                 prefix: '#include <utmpx.h>'))
1701
1702config_host_data.set('CONFIG_EVENTFD', cc.links('''
1703  #include <sys/eventfd.h>
1704  int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
1705config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
1706  #include <unistd.h>
1707  int main(void) {
1708  #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
1709  return fdatasync(0);
1710  #else
1711  #error Not supported
1712  #endif
1713  }'''))
1714
1715has_madvise = cc.links(gnu_source_prefix + '''
1716  #include <sys/types.h>
1717  #include <sys/mman.h>
1718  #include <stddef.h>
1719  int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
1720missing_madvise_proto = false
1721if has_madvise
1722  # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
1723  # but forget to prototype it. In this case, has_madvise will be true (the
1724  # test program links despite a compile warning). To detect the
1725  # missing-prototype case, we try again with a definitely-bogus prototype.
1726  # This will only compile if the system headers don't provide the prototype;
1727  # otherwise the conflicting prototypes will cause a compiler error.
1728  missing_madvise_proto = cc.links(gnu_source_prefix + '''
1729    #include <sys/types.h>
1730    #include <sys/mman.h>
1731    #include <stddef.h>
1732    extern int madvise(int);
1733    int main(void) { return madvise(0); }''')
1734endif
1735config_host_data.set('CONFIG_MADVISE', has_madvise)
1736config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
1737
1738config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
1739  #include <sys/mman.h>
1740  int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
1741config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
1742  #include <fcntl.h>
1743  #if !defined(AT_EMPTY_PATH)
1744  # error missing definition
1745  #else
1746  int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
1747  #endif'''))
1748config_host_data.set('CONFIG_PIPE2', cc.links(gnu_source_prefix + '''
1749  #include <unistd.h>
1750  #include <fcntl.h>
1751
1752  int main(void)
1753  {
1754      int pipefd[2];
1755      return pipe2(pipefd, O_CLOEXEC);
1756  }'''))
1757config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
1758  #include <sys/mman.h>
1759  #include <stddef.h>
1760  int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
1761
1762config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
1763  #include <pthread.h>
1764
1765  static void *f(void *p) { return NULL; }
1766  int main(void)
1767  {
1768    pthread_t thread;
1769    pthread_create(&thread, 0, f, 0);
1770    pthread_setname_np(thread, "QEMU");
1771    return 0;
1772  }''', dependencies: threads))
1773config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
1774  #include <pthread.h>
1775
1776  static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
1777  int main(void)
1778  {
1779    pthread_t thread;
1780    pthread_create(&thread, 0, f, 0);
1781    return 0;
1782  }''', dependencies: threads))
1783config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
1784  #include <pthread.h>
1785  #include <time.h>
1786
1787  int main(void)
1788  {
1789    pthread_condattr_t attr
1790    pthread_condattr_init(&attr);
1791    pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
1792    return 0;
1793  }''', dependencies: threads))
1794
1795config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
1796  #include <sys/signalfd.h>
1797  #include <stddef.h>
1798  int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
1799config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
1800  #include <unistd.h>
1801  #include <fcntl.h>
1802  #include <limits.h>
1803
1804  int main(void)
1805  {
1806    int len, fd = 0;
1807    len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
1808    splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
1809    return 0;
1810  }'''))
1811
1812config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
1813  #include <sys/mman.h>
1814  int main(int argc, char *argv[]) {
1815    return mlockall(MCL_FUTURE);
1816  }'''))
1817
1818have_l2tpv3 = false
1819if get_option('l2tpv3').allowed() and have_system
1820  have_l2tpv3 = cc.has_type('struct mmsghdr',
1821    prefix: gnu_source_prefix + '''
1822      #include <sys/socket.h>
1823      #include <linux/ip.h>''')
1824endif
1825config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
1826
1827have_netmap = false
1828if get_option('netmap').allowed() and have_system
1829  have_netmap = cc.compiles('''
1830    #include <inttypes.h>
1831    #include <net/if.h>
1832    #include <net/netmap.h>
1833    #include <net/netmap_user.h>
1834    #if (NETMAP_API < 11) || (NETMAP_API > 15)
1835    #error
1836    #endif
1837    int main(void) { return 0; }''')
1838  if not have_netmap and get_option('netmap').enabled()
1839    error('Netmap headers not available')
1840  endif
1841endif
1842config_host_data.set('CONFIG_NETMAP', have_netmap)
1843
1844# Work around a system header bug with some kernel/XFS header
1845# versions where they both try to define 'struct fsxattr':
1846# xfs headers will not try to redefine structs from linux headers
1847# if this macro is set.
1848config_host_data.set('HAVE_FSXATTR', cc.links('''
1849  #include <linux/fs.h>
1850  struct fsxattr foo;
1851  int main(void) {
1852    return 0;
1853  }'''))
1854
1855# Some versions of Mac OS X incorrectly define SIZE_MAX
1856config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
1857    #include <stdint.h>
1858    #include <stdio.h>
1859    int main(int argc, char *argv[]) {
1860        return printf("%zu", SIZE_MAX);
1861    }''', args: ['-Werror']))
1862
1863atomic_test = '''
1864  #include <stdint.h>
1865  int main(void)
1866  {
1867    @0@ x = 0, y = 0;
1868    y = __atomic_load_n(&x, __ATOMIC_RELAXED);
1869    __atomic_store_n(&x, y, __ATOMIC_RELAXED);
1870    __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
1871    __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
1872    __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
1873    return 0;
1874  }'''
1875
1876# See if 64-bit atomic operations are supported.
1877# Note that without __atomic builtins, we can only
1878# assume atomic loads/stores max at pointer size.
1879config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
1880
1881has_int128 = cc.links('''
1882  __int128_t a;
1883  __uint128_t b;
1884  int main (void) {
1885    a = a + b;
1886    b = a * b;
1887    a = a * a;
1888    return 0;
1889  }''')
1890
1891config_host_data.set('CONFIG_INT128', has_int128)
1892
1893if has_int128
1894  # "do we have 128-bit atomics which are handled inline and specifically not
1895  # via libatomic". The reason we can't use libatomic is documented in the
1896  # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
1897  has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
1898
1899  config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
1900
1901  if not has_atomic128
1902    has_cmpxchg128 = cc.links('''
1903      int main(void)
1904      {
1905        unsigned __int128 x = 0, y = 0;
1906        __sync_val_compare_and_swap_16(&x, y, x);
1907        return 0;
1908      }
1909    ''')
1910
1911    config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
1912  endif
1913endif
1914
1915config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
1916  #include <sys/auxv.h>
1917  int main(void) {
1918    return getauxval(AT_HWCAP) == 0;
1919  }'''))
1920
1921have_cpuid_h = cc.links('''
1922  #include <cpuid.h>
1923  int main(void) {
1924    unsigned a, b, c, d;
1925    unsigned max = __get_cpuid_max(0, 0);
1926
1927    if (max >= 1) {
1928        __cpuid(1, a, b, c, d);
1929    }
1930
1931    if (max >= 7) {
1932        __cpuid_count(7, 0, a, b, c, d);
1933    }
1934
1935    return 0;
1936  }''')
1937config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
1938
1939config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
1940  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
1941  .require(cc.links('''
1942    #pragma GCC push_options
1943    #pragma GCC target("avx2")
1944    #include <cpuid.h>
1945    #include <immintrin.h>
1946    static int bar(void *a) {
1947      __m256i x = *(__m256i *)a;
1948      return _mm256_testz_si256(x, x);
1949    }
1950    int main(int argc, char *argv[]) { return bar(argv[0]); }
1951  '''), error_message: 'AVX2 not available').allowed())
1952
1953config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
1954  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
1955  .require(cc.links('''
1956    #pragma GCC push_options
1957    #pragma GCC target("avx512f")
1958    #include <cpuid.h>
1959    #include <immintrin.h>
1960    static int bar(void *a) {
1961      __m512i x = *(__m512i *)a;
1962      return _mm512_test_epi64_mask(x, x);
1963    }
1964    int main(int argc, char *argv[]) { return bar(argv[0]); }
1965  '''), error_message: 'AVX512F not available').allowed())
1966
1967if get_option('membarrier').disabled()
1968  have_membarrier = false
1969elif targetos == 'windows'
1970  have_membarrier = true
1971elif targetos == 'linux'
1972  have_membarrier = cc.compiles('''
1973    #include <linux/membarrier.h>
1974    #include <sys/syscall.h>
1975    #include <unistd.h>
1976    #include <stdlib.h>
1977    int main(void) {
1978        syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
1979        syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
1980        exit(0);
1981    }''')
1982endif
1983config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
1984  .require(have_membarrier, error_message: 'membarrier system call not available') \
1985  .allowed())
1986
1987have_afalg = get_option('crypto_afalg') \
1988  .require(cc.compiles(gnu_source_prefix + '''
1989    #include <errno.h>
1990    #include <sys/types.h>
1991    #include <sys/socket.h>
1992    #include <linux/if_alg.h>
1993    int main(void) {
1994      int sock;
1995      sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
1996      return sock;
1997    }
1998  '''), error_message: 'AF_ALG requested but could not be detected').allowed()
1999config_host_data.set('CONFIG_AF_ALG', have_afalg)
2000
2001config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2002  'linux/vm_sockets.h', 'AF_VSOCK',
2003  prefix: '#include <sys/socket.h>',
2004))
2005
2006have_vss = false
2007have_vss_sdk = false # old xp/2003 SDK
2008if targetos == 'windows' and link_language == 'cpp'
2009  have_vss = cxx.compiles('''
2010    #define __MIDL_user_allocate_free_DEFINED__
2011    #include <vss.h>
2012    int main(void) { return VSS_CTX_BACKUP; }''')
2013  have_vss_sdk = cxx.has_header('vscoordint.h')
2014endif
2015config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2016
2017ignored = ['CONFIG_QEMU_INTERP_PREFIX', # actually per-target
2018    'HAVE_GDB_BIN']
2019arrays = ['CONFIG_BDRV_RW_WHITELIST', 'CONFIG_BDRV_RO_WHITELIST']
2020foreach k, v: config_host
2021  if ignored.contains(k)
2022    # do nothing
2023  elif arrays.contains(k)
2024    if v != ''
2025      v = '"' + '", "'.join(v.split()) + '", '
2026    endif
2027    config_host_data.set(k, v)
2028  elif k.startswith('CONFIG_')
2029    config_host_data.set(k, v == 'y' ? 1 : v)
2030  endif
2031endforeach
2032
2033########################
2034# Target configuration #
2035########################
2036
2037minikconf = find_program('scripts/minikconf.py')
2038config_all = {}
2039config_all_devices = {}
2040config_all_disas = {}
2041config_devices_mak_list = []
2042config_devices_h = {}
2043config_target_h = {}
2044config_target_mak = {}
2045
2046disassemblers = {
2047  'alpha' : ['CONFIG_ALPHA_DIS'],
2048  'arm' : ['CONFIG_ARM_DIS'],
2049  'avr' : ['CONFIG_AVR_DIS'],
2050  'cris' : ['CONFIG_CRIS_DIS'],
2051  'hexagon' : ['CONFIG_HEXAGON_DIS'],
2052  'hppa' : ['CONFIG_HPPA_DIS'],
2053  'i386' : ['CONFIG_I386_DIS'],
2054  'x86_64' : ['CONFIG_I386_DIS'],
2055  'm68k' : ['CONFIG_M68K_DIS'],
2056  'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2057  'mips' : ['CONFIG_MIPS_DIS'],
2058  'nios2' : ['CONFIG_NIOS2_DIS'],
2059  'or1k' : ['CONFIG_OPENRISC_DIS'],
2060  'ppc' : ['CONFIG_PPC_DIS'],
2061  'riscv' : ['CONFIG_RISCV_DIS'],
2062  'rx' : ['CONFIG_RX_DIS'],
2063  's390' : ['CONFIG_S390_DIS'],
2064  'sh4' : ['CONFIG_SH4_DIS'],
2065  'sparc' : ['CONFIG_SPARC_DIS'],
2066  'xtensa' : ['CONFIG_XTENSA_DIS'],
2067}
2068if link_language == 'cpp'
2069  disassemblers += {
2070    'aarch64' : [ 'CONFIG_ARM_A64_DIS'],
2071    'arm' : [ 'CONFIG_ARM_DIS', 'CONFIG_ARM_A64_DIS'],
2072    'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2073  }
2074endif
2075
2076have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2077host_kconfig = \
2078  (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2079  (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2080  (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2081  (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2082  ('CONFIG_OPENGL' in config_host ? ['CONFIG_OPENGL=y'] : []) + \
2083  (x11.found() ? ['CONFIG_X11=y'] : []) + \
2084  ('CONFIG_VHOST_USER' in config_host ? ['CONFIG_VHOST_USER=y'] : []) + \
2085  ('CONFIG_VHOST_VDPA' in config_host ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2086  ('CONFIG_VHOST_KERNEL' in config_host ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2087  (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2088  ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2089  ('CONFIG_PVRDMA' in config_host ? ['CONFIG_PVRDMA=y'] : []) + \
2090  (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : [])
2091
2092ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2093
2094default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2095actual_target_dirs = []
2096fdt_required = []
2097foreach target : target_dirs
2098  config_target = { 'TARGET_NAME': target.split('-')[0] }
2099  if target.endswith('linux-user')
2100    if targetos != 'linux'
2101      if default_targets
2102        continue
2103      endif
2104      error('Target @0@ is only available on a Linux host'.format(target))
2105    endif
2106    config_target += { 'CONFIG_LINUX_USER': 'y' }
2107  elif target.endswith('bsd-user')
2108    if 'CONFIG_BSD' not in config_host
2109      if default_targets
2110        continue
2111      endif
2112      error('Target @0@ is only available on a BSD host'.format(target))
2113    endif
2114    config_target += { 'CONFIG_BSD_USER': 'y' }
2115  elif target.endswith('softmmu')
2116    config_target += { 'CONFIG_SOFTMMU': 'y' }
2117  endif
2118  if target.endswith('-user')
2119    config_target += {
2120      'CONFIG_USER_ONLY': 'y',
2121      'CONFIG_QEMU_INTERP_PREFIX':
2122        config_host['CONFIG_QEMU_INTERP_PREFIX'].format(config_target['TARGET_NAME'])
2123    }
2124  endif
2125
2126  accel_kconfig = []
2127  foreach sym: accelerators
2128    if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2129      config_target += { sym: 'y' }
2130      config_all += { sym: 'y' }
2131      if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
2132        config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
2133      elif sym == 'CONFIG_XEN' and have_xen_pci_passthrough
2134        config_target += { 'CONFIG_XEN_PCI_PASSTHROUGH': 'y' }
2135      endif
2136      if target in modular_tcg
2137        config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2138      else
2139        config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2140      endif
2141      accel_kconfig += [ sym + '=y' ]
2142    endif
2143  endforeach
2144  if accel_kconfig.length() == 0
2145    if default_targets
2146      continue
2147    endif
2148    error('No accelerator available for target @0@'.format(target))
2149  endif
2150
2151  actual_target_dirs += target
2152  config_target += keyval.load('configs/targets' / target + '.mak')
2153  config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2154
2155  if 'TARGET_NEED_FDT' in config_target
2156    fdt_required += target
2157  endif
2158
2159  # Add default keys
2160  if 'TARGET_BASE_ARCH' not in config_target
2161    config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2162  endif
2163  if 'TARGET_ABI_DIR' not in config_target
2164    config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2165  endif
2166  if 'TARGET_BIG_ENDIAN' not in config_target
2167    config_target += {'TARGET_BIG_ENDIAN': 'n'}
2168  endif
2169
2170  foreach k, v: disassemblers
2171    if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2172      foreach sym: v
2173        config_target += { sym: 'y' }
2174        config_all_disas += { sym: 'y' }
2175      endforeach
2176    endif
2177  endforeach
2178
2179  config_target_data = configuration_data()
2180  foreach k, v: config_target
2181    if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2182      # do nothing
2183    elif ignored.contains(k)
2184      # do nothing
2185    elif k == 'TARGET_BASE_ARCH'
2186      # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2187      # not used to select files from sourcesets.
2188      config_target_data.set('TARGET_' + v.to_upper(), 1)
2189    elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2190      config_target_data.set_quoted(k, v)
2191    elif v == 'y'
2192      config_target_data.set(k, 1)
2193    elif v == 'n'
2194      config_target_data.set(k, 0)
2195    else
2196      config_target_data.set(k, v)
2197    endif
2198  endforeach
2199  config_target_data.set('QEMU_ARCH',
2200                         'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2201  config_target_h += {target: configure_file(output: target + '-config-target.h',
2202                                               configuration: config_target_data)}
2203
2204  if target.endswith('-softmmu')
2205    config_input = meson.get_external_property(target, 'default')
2206    config_devices_mak = target + '-config-devices.mak'
2207    config_devices_mak = configure_file(
2208      input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2209      output: config_devices_mak,
2210      depfile: config_devices_mak + '.d',
2211      capture: true,
2212      command: [minikconf,
2213                get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2214                config_devices_mak, '@DEPFILE@', '@INPUT@',
2215                host_kconfig, accel_kconfig,
2216                'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2217
2218    config_devices_data = configuration_data()
2219    config_devices = keyval.load(config_devices_mak)
2220    foreach k, v: config_devices
2221      config_devices_data.set(k, 1)
2222    endforeach
2223    config_devices_mak_list += config_devices_mak
2224    config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2225                                                configuration: config_devices_data)}
2226    config_target += config_devices
2227    config_all_devices += config_devices
2228  endif
2229  config_target_mak += {target: config_target}
2230endforeach
2231target_dirs = actual_target_dirs
2232
2233# This configuration is used to build files that are shared by
2234# multiple binaries, and then extracted out of the "common"
2235# static_library target.
2236#
2237# We do not use all_sources()/all_dependencies(), because it would
2238# build literally all source files, including devices only used by
2239# targets that are not built for this compilation.  The CONFIG_ALL
2240# pseudo symbol replaces it.
2241
2242config_all += config_all_devices
2243config_all += config_host
2244config_all += config_all_disas
2245config_all += {
2246  'CONFIG_XEN': config_host.has_key('CONFIG_XEN_BACKEND'),
2247  'CONFIG_SOFTMMU': have_system,
2248  'CONFIG_USER_ONLY': have_user,
2249  'CONFIG_ALL': true,
2250}
2251
2252target_configs_h = []
2253foreach target: target_dirs
2254  target_configs_h += config_target_h[target]
2255  target_configs_h += config_devices_h.get(target, [])
2256endforeach
2257genh += custom_target('config-poison.h',
2258                      input: [target_configs_h],
2259                      output: 'config-poison.h',
2260                      capture: true,
2261                      command: [find_program('scripts/make-config-poison.sh'),
2262                                target_configs_h])
2263
2264##############
2265# Submodules #
2266##############
2267
2268capstone = not_found
2269capstone_opt = get_option('capstone')
2270if capstone_opt in ['enabled', 'auto', 'system']
2271  have_internal = fs.exists(meson.current_source_dir() / 'capstone/Makefile')
2272  capstone = dependency('capstone', version: '>=4.0',
2273                        kwargs: static_kwargs, method: 'pkg-config',
2274                        required: capstone_opt == 'system' or
2275                                  capstone_opt == 'enabled' and not have_internal)
2276
2277  # Some versions of capstone have broken pkg-config file
2278  # that reports a wrong -I path, causing the #include to
2279  # fail later. If the system has such a broken version
2280  # do not use it.
2281  if capstone.found() and not cc.compiles('#include <capstone.h>',
2282                                          dependencies: [capstone])
2283    capstone = not_found
2284    if capstone_opt == 'system'
2285      error('system capstone requested, it does not appear to work')
2286    endif
2287  endif
2288
2289  if capstone.found()
2290    capstone_opt = 'system'
2291  elif have_internal
2292    capstone_opt = 'internal'
2293  else
2294    capstone_opt = 'disabled'
2295  endif
2296endif
2297if capstone_opt == 'internal'
2298  capstone_data = configuration_data()
2299  capstone_data.set('CAPSTONE_USE_SYS_DYN_MEM', '1')
2300
2301  capstone_files = files(
2302    'capstone/cs.c',
2303    'capstone/MCInst.c',
2304    'capstone/MCInstrDesc.c',
2305    'capstone/MCRegisterInfo.c',
2306    'capstone/SStream.c',
2307    'capstone/utils.c'
2308  )
2309
2310  if 'CONFIG_ARM_DIS' in config_all_disas
2311    capstone_data.set('CAPSTONE_HAS_ARM', '1')
2312    capstone_files += files(
2313      'capstone/arch/ARM/ARMDisassembler.c',
2314      'capstone/arch/ARM/ARMInstPrinter.c',
2315      'capstone/arch/ARM/ARMMapping.c',
2316      'capstone/arch/ARM/ARMModule.c'
2317    )
2318  endif
2319
2320  # FIXME: This config entry currently depends on a c++ compiler.
2321  # Which is needed for building libvixl, but not for capstone.
2322  if 'CONFIG_ARM_A64_DIS' in config_all_disas
2323    capstone_data.set('CAPSTONE_HAS_ARM64', '1')
2324    capstone_files += files(
2325      'capstone/arch/AArch64/AArch64BaseInfo.c',
2326      'capstone/arch/AArch64/AArch64Disassembler.c',
2327      'capstone/arch/AArch64/AArch64InstPrinter.c',
2328      'capstone/arch/AArch64/AArch64Mapping.c',
2329      'capstone/arch/AArch64/AArch64Module.c'
2330    )
2331  endif
2332
2333  if 'CONFIG_PPC_DIS' in config_all_disas
2334    capstone_data.set('CAPSTONE_HAS_POWERPC', '1')
2335    capstone_files += files(
2336      'capstone/arch/PowerPC/PPCDisassembler.c',
2337      'capstone/arch/PowerPC/PPCInstPrinter.c',
2338      'capstone/arch/PowerPC/PPCMapping.c',
2339      'capstone/arch/PowerPC/PPCModule.c'
2340    )
2341  endif
2342
2343  if 'CONFIG_S390_DIS' in config_all_disas
2344    capstone_data.set('CAPSTONE_HAS_SYSZ', '1')
2345    capstone_files += files(
2346      'capstone/arch/SystemZ/SystemZDisassembler.c',
2347      'capstone/arch/SystemZ/SystemZInstPrinter.c',
2348      'capstone/arch/SystemZ/SystemZMapping.c',
2349      'capstone/arch/SystemZ/SystemZModule.c',
2350      'capstone/arch/SystemZ/SystemZMCTargetDesc.c'
2351    )
2352  endif
2353
2354  if 'CONFIG_I386_DIS' in config_all_disas
2355    capstone_data.set('CAPSTONE_HAS_X86', 1)
2356    capstone_files += files(
2357      'capstone/arch/X86/X86Disassembler.c',
2358      'capstone/arch/X86/X86DisassemblerDecoder.c',
2359      'capstone/arch/X86/X86ATTInstPrinter.c',
2360      'capstone/arch/X86/X86IntelInstPrinter.c',
2361      'capstone/arch/X86/X86InstPrinterCommon.c',
2362      'capstone/arch/X86/X86Mapping.c',
2363      'capstone/arch/X86/X86Module.c'
2364    )
2365  endif
2366
2367  configure_file(output: 'capstone-defs.h', configuration: capstone_data)
2368
2369  capstone_cargs = [
2370    # FIXME: There does not seem to be a way to completely replace the c_args
2371    # that come from add_project_arguments() -- we can only add to them.
2372    # So: disable all warnings with a big hammer.
2373    '-Wno-error', '-w',
2374
2375    # Include all configuration defines via a header file, which will wind up
2376    # as a dependency on the object file, and thus changes here will result
2377    # in a rebuild.
2378    '-include', 'capstone-defs.h'
2379  ]
2380
2381  libcapstone = static_library('capstone',
2382                               build_by_default: false,
2383                               sources: capstone_files,
2384                               c_args: capstone_cargs,
2385                               include_directories: 'capstone/include')
2386  capstone = declare_dependency(link_with: libcapstone,
2387                                include_directories: 'capstone/include/capstone')
2388endif
2389
2390slirp = not_found
2391slirp_opt = 'disabled'
2392if have_system
2393  slirp_opt = get_option('slirp')
2394  if slirp_opt in ['enabled', 'auto', 'system']
2395    have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
2396    slirp = dependency('slirp', kwargs: static_kwargs,
2397                       method: 'pkg-config',
2398                       required: slirp_opt == 'system' or
2399                                 slirp_opt == 'enabled' and not have_internal)
2400    if slirp.found()
2401      slirp_opt = 'system'
2402    elif have_internal
2403      slirp_opt = 'internal'
2404    else
2405      slirp_opt = 'disabled'
2406    endif
2407  endif
2408  if slirp_opt == 'internal'
2409    slirp_deps = []
2410    if targetos == 'windows'
2411      slirp_deps = cc.find_library('iphlpapi')
2412    elif targetos == 'darwin'
2413      slirp_deps = cc.find_library('resolv')
2414    endif
2415    slirp_conf = configuration_data()
2416    slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
2417    slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
2418    slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
2419    slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
2420    slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
2421    slirp_files = [
2422      'slirp/src/arp_table.c',
2423      'slirp/src/bootp.c',
2424      'slirp/src/cksum.c',
2425      'slirp/src/dhcpv6.c',
2426      'slirp/src/dnssearch.c',
2427      'slirp/src/if.c',
2428      'slirp/src/ip6_icmp.c',
2429      'slirp/src/ip6_input.c',
2430      'slirp/src/ip6_output.c',
2431      'slirp/src/ip_icmp.c',
2432      'slirp/src/ip_input.c',
2433      'slirp/src/ip_output.c',
2434      'slirp/src/mbuf.c',
2435      'slirp/src/misc.c',
2436      'slirp/src/ncsi.c',
2437      'slirp/src/ndp_table.c',
2438      'slirp/src/sbuf.c',
2439      'slirp/src/slirp.c',
2440      'slirp/src/socket.c',
2441      'slirp/src/state.c',
2442      'slirp/src/stream.c',
2443      'slirp/src/tcp_input.c',
2444      'slirp/src/tcp_output.c',
2445      'slirp/src/tcp_subr.c',
2446      'slirp/src/tcp_timer.c',
2447      'slirp/src/tftp.c',
2448      'slirp/src/udp.c',
2449      'slirp/src/udp6.c',
2450      'slirp/src/util.c',
2451      'slirp/src/version.c',
2452      'slirp/src/vmstate.c',
2453    ]
2454
2455    configure_file(
2456      input : 'slirp/src/libslirp-version.h.in',
2457      output : 'libslirp-version.h',
2458      configuration: slirp_conf)
2459
2460    slirp_inc = include_directories('slirp', 'slirp/src')
2461    libslirp = static_library('slirp',
2462                              build_by_default: false,
2463                              sources: slirp_files,
2464                              c_args: slirp_cargs,
2465                              include_directories: slirp_inc)
2466    slirp = declare_dependency(link_with: libslirp,
2467                               dependencies: slirp_deps,
2468                               include_directories: slirp_inc)
2469  endif
2470endif
2471
2472# For CFI, we need to compile slirp as a static library together with qemu.
2473# This is because we register slirp functions as callbacks for QEMU Timers.
2474# When using a system-wide shared libslirp, the type information for the
2475# callback is missing and the timer call produces a false positive with CFI.
2476#
2477# Now that slirp_opt has been defined, check if the selected slirp is compatible
2478# with control-flow integrity.
2479if get_option('cfi') and slirp_opt == 'system'
2480  error('Control-Flow Integrity is not compatible with system-wide slirp.' \
2481         + ' Please configure with --enable-slirp=git')
2482endif
2483
2484fdt = not_found
2485if have_system
2486  fdt_opt = get_option('fdt')
2487  if fdt_opt in ['enabled', 'auto', 'system']
2488    have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2489    fdt = cc.find_library('fdt', kwargs: static_kwargs,
2490                          required: fdt_opt == 'system' or
2491                                    fdt_opt == 'enabled' and not have_internal)
2492    if fdt.found() and cc.links('''
2493       #include <libfdt.h>
2494       #include <libfdt_env.h>
2495       int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2496         dependencies: fdt)
2497      fdt_opt = 'system'
2498    elif fdt_opt == 'system'
2499       error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2500    elif have_internal
2501      fdt_opt = 'internal'
2502    else
2503      fdt_opt = 'disabled'
2504      fdt = not_found
2505    endif
2506  endif
2507  if fdt_opt == 'internal'
2508    fdt_files = files(
2509      'dtc/libfdt/fdt.c',
2510      'dtc/libfdt/fdt_ro.c',
2511      'dtc/libfdt/fdt_wip.c',
2512      'dtc/libfdt/fdt_sw.c',
2513      'dtc/libfdt/fdt_rw.c',
2514      'dtc/libfdt/fdt_strerror.c',
2515      'dtc/libfdt/fdt_empty_tree.c',
2516      'dtc/libfdt/fdt_addresses.c',
2517      'dtc/libfdt/fdt_overlay.c',
2518      'dtc/libfdt/fdt_check.c',
2519    )
2520
2521    fdt_inc = include_directories('dtc/libfdt')
2522    libfdt = static_library('fdt',
2523                            build_by_default: false,
2524                            sources: fdt_files,
2525                            include_directories: fdt_inc)
2526    fdt = declare_dependency(link_with: libfdt,
2527                             include_directories: fdt_inc)
2528  endif
2529else
2530  fdt_opt = 'disabled'
2531endif
2532if not fdt.found() and fdt_required.length() > 0
2533  error('fdt not available but required by targets ' + ', '.join(fdt_required))
2534endif
2535
2536config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2537config_host_data.set('CONFIG_FDT', fdt.found())
2538config_host_data.set('CONFIG_SLIRP', slirp.found())
2539
2540#####################
2541# Generated sources #
2542#####################
2543
2544genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2545
2546hxtool = find_program('scripts/hxtool')
2547shaderinclude = find_program('scripts/shaderinclude.pl')
2548qapi_gen = find_program('scripts/qapi-gen.py')
2549qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2550                     meson.current_source_dir() / 'scripts/qapi/commands.py',
2551                     meson.current_source_dir() / 'scripts/qapi/common.py',
2552                     meson.current_source_dir() / 'scripts/qapi/error.py',
2553                     meson.current_source_dir() / 'scripts/qapi/events.py',
2554                     meson.current_source_dir() / 'scripts/qapi/expr.py',
2555                     meson.current_source_dir() / 'scripts/qapi/gen.py',
2556                     meson.current_source_dir() / 'scripts/qapi/introspect.py',
2557                     meson.current_source_dir() / 'scripts/qapi/parser.py',
2558                     meson.current_source_dir() / 'scripts/qapi/schema.py',
2559                     meson.current_source_dir() / 'scripts/qapi/source.py',
2560                     meson.current_source_dir() / 'scripts/qapi/types.py',
2561                     meson.current_source_dir() / 'scripts/qapi/visit.py',
2562                     meson.current_source_dir() / 'scripts/qapi/common.py',
2563                     meson.current_source_dir() / 'scripts/qapi-gen.py'
2564]
2565
2566tracetool = [
2567  python, files('scripts/tracetool.py'),
2568   '--backend=' + ','.join(get_option('trace_backends'))
2569]
2570tracetool_depends = files(
2571  'scripts/tracetool/backend/log.py',
2572  'scripts/tracetool/backend/__init__.py',
2573  'scripts/tracetool/backend/dtrace.py',
2574  'scripts/tracetool/backend/ftrace.py',
2575  'scripts/tracetool/backend/simple.py',
2576  'scripts/tracetool/backend/syslog.py',
2577  'scripts/tracetool/backend/ust.py',
2578  'scripts/tracetool/format/ust_events_c.py',
2579  'scripts/tracetool/format/ust_events_h.py',
2580  'scripts/tracetool/format/__init__.py',
2581  'scripts/tracetool/format/d.py',
2582  'scripts/tracetool/format/simpletrace_stap.py',
2583  'scripts/tracetool/format/c.py',
2584  'scripts/tracetool/format/h.py',
2585  'scripts/tracetool/format/log_stap.py',
2586  'scripts/tracetool/format/stap.py',
2587  'scripts/tracetool/__init__.py',
2588  'scripts/tracetool/transform.py',
2589  'scripts/tracetool/vcpu.py'
2590)
2591
2592qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2593                    meson.current_source_dir(),
2594                    config_host['PKGVERSION'], meson.project_version()]
2595qemu_version = custom_target('qemu-version.h',
2596                             output: 'qemu-version.h',
2597                             command: qemu_version_cmd,
2598                             capture: true,
2599                             build_by_default: true,
2600                             build_always_stale: true)
2601genh += qemu_version
2602
2603hxdep = []
2604hx_headers = [
2605  ['qemu-options.hx', 'qemu-options.def'],
2606  ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2607]
2608if have_system
2609  hx_headers += [
2610    ['hmp-commands.hx', 'hmp-commands.h'],
2611    ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2612  ]
2613endif
2614foreach d : hx_headers
2615  hxdep += custom_target(d[1],
2616                input: files(d[0]),
2617                output: d[1],
2618                capture: true,
2619                build_by_default: true, # to be removed when added to a target
2620                command: [hxtool, '-h', '@INPUT0@'])
2621endforeach
2622genh += hxdep
2623
2624###################
2625# Collect sources #
2626###################
2627
2628authz_ss = ss.source_set()
2629blockdev_ss = ss.source_set()
2630block_ss = ss.source_set()
2631chardev_ss = ss.source_set()
2632common_ss = ss.source_set()
2633crypto_ss = ss.source_set()
2634hwcore_ss = ss.source_set()
2635io_ss = ss.source_set()
2636qmp_ss = ss.source_set()
2637qom_ss = ss.source_set()
2638softmmu_ss = ss.source_set()
2639specific_fuzz_ss = ss.source_set()
2640specific_ss = ss.source_set()
2641stub_ss = ss.source_set()
2642trace_ss = ss.source_set()
2643user_ss = ss.source_set()
2644util_ss = ss.source_set()
2645
2646# accel modules
2647qtest_module_ss = ss.source_set()
2648tcg_module_ss = ss.source_set()
2649
2650modules = {}
2651target_modules = {}
2652hw_arch = {}
2653target_arch = {}
2654target_softmmu_arch = {}
2655target_user_arch = {}
2656
2657###############
2658# Trace files #
2659###############
2660
2661# TODO: add each directory to the subdirs from its own meson.build, once
2662# we have those
2663trace_events_subdirs = [
2664  'crypto',
2665  'qapi',
2666  'qom',
2667  'monitor',
2668  'util',
2669]
2670if have_linux_user
2671  trace_events_subdirs += [ 'linux-user' ]
2672endif
2673if have_bsd_user
2674  trace_events_subdirs += [ 'bsd-user' ]
2675endif
2676if have_block
2677  trace_events_subdirs += [
2678    'authz',
2679    'block',
2680    'io',
2681    'nbd',
2682    'scsi',
2683  ]
2684endif
2685if have_system
2686  trace_events_subdirs += [
2687    'accel/kvm',
2688    'audio',
2689    'backends',
2690    'backends/tpm',
2691    'chardev',
2692    'ebpf',
2693    'hw/9pfs',
2694    'hw/acpi',
2695    'hw/adc',
2696    'hw/alpha',
2697    'hw/arm',
2698    'hw/audio',
2699    'hw/block',
2700    'hw/block/dataplane',
2701    'hw/char',
2702    'hw/display',
2703    'hw/dma',
2704    'hw/hppa',
2705    'hw/hyperv',
2706    'hw/i2c',
2707    'hw/i386',
2708    'hw/i386/xen',
2709    'hw/ide',
2710    'hw/input',
2711    'hw/intc',
2712    'hw/isa',
2713    'hw/mem',
2714    'hw/mips',
2715    'hw/misc',
2716    'hw/misc/macio',
2717    'hw/net',
2718    'hw/net/can',
2719    'hw/nubus',
2720    'hw/nvme',
2721    'hw/nvram',
2722    'hw/pci',
2723    'hw/pci-host',
2724    'hw/ppc',
2725    'hw/rdma',
2726    'hw/rdma/vmw',
2727    'hw/rtc',
2728    'hw/s390x',
2729    'hw/scsi',
2730    'hw/sd',
2731    'hw/sh4',
2732    'hw/sparc',
2733    'hw/sparc64',
2734    'hw/ssi',
2735    'hw/timer',
2736    'hw/tpm',
2737    'hw/usb',
2738    'hw/vfio',
2739    'hw/virtio',
2740    'hw/watchdog',
2741    'hw/xen',
2742    'hw/gpio',
2743    'migration',
2744    'net',
2745    'softmmu',
2746    'ui',
2747    'hw/remote',
2748  ]
2749endif
2750if have_system or have_user
2751  trace_events_subdirs += [
2752    'accel/tcg',
2753    'hw/core',
2754    'target/arm',
2755    'target/arm/hvf',
2756    'target/hppa',
2757    'target/i386',
2758    'target/i386/kvm',
2759    'target/mips/tcg',
2760    'target/nios2',
2761    'target/ppc',
2762    'target/riscv',
2763    'target/s390x',
2764    'target/s390x/kvm',
2765    'target/sparc',
2766  ]
2767endif
2768
2769vhost_user = not_found
2770if targetos == 'linux' and 'CONFIG_VHOST_USER' in config_host
2771  libvhost_user = subproject('libvhost-user')
2772  vhost_user = libvhost_user.get_variable('vhost_user_dep')
2773endif
2774
2775# NOTE: the trace/ subdirectory needs the qapi_trace_events variable
2776# that is filled in by qapi/.
2777subdir('qapi')
2778subdir('qobject')
2779subdir('stubs')
2780subdir('trace')
2781subdir('util')
2782subdir('qom')
2783subdir('authz')
2784subdir('crypto')
2785subdir('ui')
2786
2787
2788if enable_modules
2789  libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
2790  modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
2791endif
2792
2793stub_ss = stub_ss.apply(config_all, strict: false)
2794
2795util_ss.add_all(trace_ss)
2796util_ss = util_ss.apply(config_all, strict: false)
2797libqemuutil = static_library('qemuutil',
2798                             sources: util_ss.sources() + stub_ss.sources() + genh,
2799                             dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
2800qemuutil = declare_dependency(link_with: libqemuutil,
2801                              sources: genh + version_res)
2802
2803if have_system or have_user
2804  decodetree = generator(find_program('scripts/decodetree.py'),
2805                         output: 'decode-@BASENAME@.c.inc',
2806                         arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
2807  subdir('libdecnumber')
2808  subdir('target')
2809endif
2810
2811subdir('audio')
2812subdir('io')
2813subdir('chardev')
2814subdir('fsdev')
2815subdir('dump')
2816
2817if have_block
2818  block_ss.add(files(
2819    'block.c',
2820    'blockjob.c',
2821    'job.c',
2822    'qemu-io-cmds.c',
2823  ))
2824  if config_host_data.get('CONFIG_REPLICATION')
2825    block_ss.add(files('replication.c'))
2826  endif
2827
2828  subdir('nbd')
2829  subdir('scsi')
2830  subdir('block')
2831
2832  blockdev_ss.add(files(
2833    'blockdev.c',
2834    'blockdev-nbd.c',
2835    'iothread.c',
2836    'job-qmp.c',
2837  ), gnutls)
2838
2839  # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
2840  # os-win32.c does not
2841  blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
2842  softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
2843endif
2844
2845common_ss.add(files('cpus-common.c'))
2846
2847subdir('softmmu')
2848
2849common_ss.add(capstone)
2850specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
2851
2852# Work around a gcc bug/misfeature wherein constant propagation looks
2853# through an alias:
2854#   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
2855# to guess that a const variable is always zero.  Without lto, this is
2856# impossible, as the alias is restricted to page-vary-common.c.  Indeed,
2857# without lto, not even the alias is required -- we simply use different
2858# declarations in different compilation units.
2859pagevary = files('page-vary-common.c')
2860if get_option('b_lto')
2861  pagevary_flags = ['-fno-lto']
2862  if get_option('cfi')
2863    pagevary_flags += '-fno-sanitize=cfi-icall'
2864  endif
2865  pagevary = static_library('page-vary-common', sources: pagevary + genh,
2866                            c_args: pagevary_flags)
2867  pagevary = declare_dependency(link_with: pagevary)
2868endif
2869common_ss.add(pagevary)
2870specific_ss.add(files('page-vary.c'))
2871
2872subdir('backends')
2873subdir('disas')
2874subdir('migration')
2875subdir('monitor')
2876subdir('net')
2877subdir('replay')
2878subdir('semihosting')
2879subdir('hw')
2880subdir('tcg')
2881subdir('fpu')
2882subdir('accel')
2883subdir('plugins')
2884subdir('ebpf')
2885
2886common_user_inc = []
2887
2888subdir('common-user')
2889subdir('bsd-user')
2890subdir('linux-user')
2891
2892# needed for fuzzing binaries
2893subdir('tests/qtest/libqos')
2894subdir('tests/qtest/fuzz')
2895
2896# accel modules
2897tcg_real_module_ss = ss.source_set()
2898tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
2899specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
2900target_modules += { 'accel' : { 'qtest': qtest_module_ss,
2901                                'tcg': tcg_real_module_ss }}
2902
2903########################
2904# Library dependencies #
2905########################
2906
2907modinfo_collect = find_program('scripts/modinfo-collect.py')
2908modinfo_generate = find_program('scripts/modinfo-generate.py')
2909modinfo_files = []
2910
2911block_mods = []
2912softmmu_mods = []
2913foreach d, list : modules
2914  foreach m, module_ss : list
2915    if enable_modules and targetos != 'windows'
2916      module_ss = module_ss.apply(config_all, strict: false)
2917      sl = static_library(d + '-' + m, [genh, module_ss.sources()],
2918                          dependencies: [modulecommon, module_ss.dependencies()], pic: true)
2919      if d == 'block'
2920        block_mods += sl
2921      else
2922        softmmu_mods += sl
2923      endif
2924      if module_ss.sources() != []
2925        # FIXME: Should use sl.extract_all_objects(recursive: true) as
2926        # input. Sources can be used multiple times but objects are
2927        # unique when it comes to lookup in compile_commands.json.
2928        # Depnds on a mesion version with
2929        # https://github.com/mesonbuild/meson/pull/8900
2930        modinfo_files += custom_target(d + '-' + m + '.modinfo',
2931                                       output: d + '-' + m + '.modinfo',
2932                                       input: module_ss.sources() + genh,
2933                                       capture: true,
2934                                       command: [modinfo_collect, module_ss.sources()])
2935      endif
2936    else
2937      if d == 'block'
2938        block_ss.add_all(module_ss)
2939      else
2940        softmmu_ss.add_all(module_ss)
2941      endif
2942    endif
2943  endforeach
2944endforeach
2945
2946foreach d, list : target_modules
2947  foreach m, module_ss : list
2948    if enable_modules and targetos != 'windows'
2949      foreach target : target_dirs
2950        if target.endswith('-softmmu')
2951          config_target = config_target_mak[target]
2952          config_target += config_host
2953          target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
2954          c_args = ['-DNEED_CPU_H',
2955                    '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
2956                    '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
2957          target_module_ss = module_ss.apply(config_target, strict: false)
2958          if target_module_ss.sources() != []
2959            module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
2960            sl = static_library(module_name,
2961                                [genh, target_module_ss.sources()],
2962                                dependencies: [modulecommon, target_module_ss.dependencies()],
2963                                include_directories: target_inc,
2964                                c_args: c_args,
2965                                pic: true)
2966            softmmu_mods += sl
2967            # FIXME: Should use sl.extract_all_objects(recursive: true) too.
2968            modinfo_files += custom_target(module_name + '.modinfo',
2969                                           output: module_name + '.modinfo',
2970                                           input: target_module_ss.sources() + genh,
2971                                           capture: true,
2972                                           command: [modinfo_collect, '--target', target, target_module_ss.sources()])
2973          endif
2974        endif
2975      endforeach
2976    else
2977      specific_ss.add_all(module_ss)
2978    endif
2979  endforeach
2980endforeach
2981
2982if enable_modules
2983  modinfo_src = custom_target('modinfo.c',
2984                              output: 'modinfo.c',
2985                              input: modinfo_files,
2986                              command: [modinfo_generate, '@INPUT@'],
2987                              capture: true)
2988  modinfo_lib = static_library('modinfo', modinfo_src)
2989  modinfo_dep = declare_dependency(link_whole: modinfo_lib)
2990  softmmu_ss.add(modinfo_dep)
2991endif
2992
2993nm = find_program('nm')
2994undefsym = find_program('scripts/undefsym.py')
2995block_syms = custom_target('block.syms', output: 'block.syms',
2996                             input: [libqemuutil, block_mods],
2997                             capture: true,
2998                             command: [undefsym, nm, '@INPUT@'])
2999qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3000                             input: [libqemuutil, softmmu_mods],
3001                             capture: true,
3002                             command: [undefsym, nm, '@INPUT@'])
3003
3004qom_ss = qom_ss.apply(config_host, strict: false)
3005libqom = static_library('qom', qom_ss.sources() + genh,
3006                        dependencies: [qom_ss.dependencies()],
3007                        name_suffix: 'fa')
3008
3009qom = declare_dependency(link_whole: libqom)
3010
3011authz_ss = authz_ss.apply(config_host, strict: false)
3012libauthz = static_library('authz', authz_ss.sources() + genh,
3013                          dependencies: [authz_ss.dependencies()],
3014                          name_suffix: 'fa',
3015                          build_by_default: false)
3016
3017authz = declare_dependency(link_whole: libauthz,
3018                           dependencies: qom)
3019
3020crypto_ss = crypto_ss.apply(config_host, strict: false)
3021libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3022                           dependencies: [crypto_ss.dependencies()],
3023                           name_suffix: 'fa',
3024                           build_by_default: false)
3025
3026crypto = declare_dependency(link_whole: libcrypto,
3027                            dependencies: [authz, qom])
3028
3029io_ss = io_ss.apply(config_host, strict: false)
3030libio = static_library('io', io_ss.sources() + genh,
3031                       dependencies: [io_ss.dependencies()],
3032                       link_with: libqemuutil,
3033                       name_suffix: 'fa',
3034                       build_by_default: false)
3035
3036io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3037
3038libmigration = static_library('migration', sources: migration_files + genh,
3039                              name_suffix: 'fa',
3040                              build_by_default: false)
3041migration = declare_dependency(link_with: libmigration,
3042                               dependencies: [zlib, qom, io])
3043softmmu_ss.add(migration)
3044
3045block_ss = block_ss.apply(config_host, strict: false)
3046libblock = static_library('block', block_ss.sources() + genh,
3047                          dependencies: block_ss.dependencies(),
3048                          link_depends: block_syms,
3049                          name_suffix: 'fa',
3050                          build_by_default: false)
3051
3052block = declare_dependency(link_whole: [libblock],
3053                           link_args: '@block.syms',
3054                           dependencies: [crypto, io])
3055
3056blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3057libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3058                             dependencies: blockdev_ss.dependencies(),
3059                             name_suffix: 'fa',
3060                             build_by_default: false)
3061
3062blockdev = declare_dependency(link_whole: [libblockdev],
3063                              dependencies: [block])
3064
3065qmp_ss = qmp_ss.apply(config_host, strict: false)
3066libqmp = static_library('qmp', qmp_ss.sources() + genh,
3067                        dependencies: qmp_ss.dependencies(),
3068                        name_suffix: 'fa',
3069                        build_by_default: false)
3070
3071qmp = declare_dependency(link_whole: [libqmp])
3072
3073libchardev = static_library('chardev', chardev_ss.sources() + genh,
3074                            name_suffix: 'fa',
3075                            dependencies: chardev_ss.dependencies(),
3076                            build_by_default: false)
3077
3078chardev = declare_dependency(link_whole: libchardev)
3079
3080hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3081libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3082                           name_suffix: 'fa',
3083                           build_by_default: false)
3084hwcore = declare_dependency(link_whole: libhwcore)
3085common_ss.add(hwcore)
3086
3087###########
3088# Targets #
3089###########
3090
3091emulator_modules = []
3092foreach m : block_mods + softmmu_mods
3093  emulator_modules += shared_module(m.name(),
3094                build_by_default: true,
3095                name_prefix: '',
3096                link_whole: m,
3097                install: true,
3098                install_dir: qemu_moddir)
3099endforeach
3100
3101softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3102common_ss.add(qom, qemuutil)
3103
3104common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3105common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3106
3107common_all = common_ss.apply(config_all, strict: false)
3108common_all = static_library('common',
3109                            build_by_default: false,
3110                            sources: common_all.sources() + genh,
3111                            include_directories: common_user_inc,
3112                            implicit_include_directories: false,
3113                            dependencies: common_all.dependencies(),
3114                            name_suffix: 'fa')
3115
3116feature_to_c = find_program('scripts/feature_to_c.sh')
3117
3118if targetos == 'darwin'
3119  entitlement = find_program('scripts/entitlement.sh')
3120endif
3121
3122emulators = {}
3123foreach target : target_dirs
3124  config_target = config_target_mak[target]
3125  target_name = config_target['TARGET_NAME']
3126  target_base_arch = config_target['TARGET_BASE_ARCH']
3127  arch_srcs = [config_target_h[target]]
3128  arch_deps = []
3129  c_args = ['-DNEED_CPU_H',
3130            '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3131            '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3132  link_args = emulator_link_args
3133
3134  config_target += config_host
3135  target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3136  if targetos == 'linux'
3137    target_inc += include_directories('linux-headers', is_system: true)
3138  endif
3139  if target.endswith('-softmmu')
3140    qemu_target_name = 'qemu-system-' + target_name
3141    target_type='system'
3142    t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3143    arch_srcs += t.sources()
3144    arch_deps += t.dependencies()
3145
3146    hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3147    hw = hw_arch[hw_dir].apply(config_target, strict: false)
3148    arch_srcs += hw.sources()
3149    arch_deps += hw.dependencies()
3150
3151    arch_srcs += config_devices_h[target]
3152    link_args += ['@block.syms', '@qemu.syms']
3153  else
3154    abi = config_target['TARGET_ABI_DIR']
3155    target_type='user'
3156    target_inc += common_user_inc
3157    qemu_target_name = 'qemu-' + target_name
3158    if target_base_arch in target_user_arch
3159      t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3160      arch_srcs += t.sources()
3161      arch_deps += t.dependencies()
3162    endif
3163    if 'CONFIG_LINUX_USER' in config_target
3164      base_dir = 'linux-user'
3165    endif
3166    if 'CONFIG_BSD_USER' in config_target
3167      base_dir = 'bsd-user'
3168      target_inc += include_directories('bsd-user/' / targetos)
3169      target_inc += include_directories('bsd-user/host/' / host_arch)
3170      dir = base_dir / abi
3171      arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3172    endif
3173    target_inc += include_directories(
3174      base_dir,
3175      base_dir / abi,
3176    )
3177    if 'CONFIG_LINUX_USER' in config_target
3178      dir = base_dir / abi
3179      arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3180      if config_target.has_key('TARGET_SYSTBL_ABI')
3181        arch_srcs += \
3182          syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3183                                             extra_args : config_target['TARGET_SYSTBL_ABI'])
3184      endif
3185    endif
3186  endif
3187
3188  if 'TARGET_XML_FILES' in config_target
3189    gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3190                                output: target + '-gdbstub-xml.c',
3191                                input: files(config_target['TARGET_XML_FILES'].split()),
3192                                command: [feature_to_c, '@INPUT@'],
3193                                capture: true)
3194    arch_srcs += gdbstub_xml
3195  endif
3196
3197  t = target_arch[target_base_arch].apply(config_target, strict: false)
3198  arch_srcs += t.sources()
3199  arch_deps += t.dependencies()
3200
3201  target_common = common_ss.apply(config_target, strict: false)
3202  objects = common_all.extract_objects(target_common.sources())
3203  deps = target_common.dependencies()
3204
3205  target_specific = specific_ss.apply(config_target, strict: false)
3206  arch_srcs += target_specific.sources()
3207  arch_deps += target_specific.dependencies()
3208
3209  lib = static_library('qemu-' + target,
3210                 sources: arch_srcs + genh,
3211                 dependencies: arch_deps,
3212                 objects: objects,
3213                 include_directories: target_inc,
3214                 c_args: c_args,
3215                 build_by_default: false,
3216                 name_suffix: 'fa')
3217
3218  if target.endswith('-softmmu')
3219    execs = [{
3220      'name': 'qemu-system-' + target_name,
3221      'win_subsystem': 'console',
3222      'sources': files('softmmu/main.c'),
3223      'dependencies': []
3224    }]
3225    if targetos == 'windows' and (sdl.found() or gtk.found())
3226      execs += [{
3227        'name': 'qemu-system-' + target_name + 'w',
3228        'win_subsystem': 'windows',
3229        'sources': files('softmmu/main.c'),
3230        'dependencies': []
3231      }]
3232    endif
3233    if get_option('fuzzing')
3234      specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3235      execs += [{
3236        'name': 'qemu-fuzz-' + target_name,
3237        'win_subsystem': 'console',
3238        'sources': specific_fuzz.sources(),
3239        'dependencies': specific_fuzz.dependencies(),
3240      }]
3241    endif
3242  else
3243    execs = [{
3244      'name': 'qemu-' + target_name,
3245      'win_subsystem': 'console',
3246      'sources': [],
3247      'dependencies': []
3248    }]
3249  endif
3250  foreach exe: execs
3251    exe_name = exe['name']
3252    if targetos == 'darwin'
3253      exe_name += '-unsigned'
3254    endif
3255
3256    emulator = executable(exe_name, exe['sources'],
3257               install: true,
3258               c_args: c_args,
3259               dependencies: arch_deps + deps + exe['dependencies'],
3260               objects: lib.extract_all_objects(recursive: true),
3261               link_language: link_language,
3262               link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3263               link_args: link_args,
3264               win_subsystem: exe['win_subsystem'])
3265
3266    if targetos == 'darwin'
3267      icon = 'pc-bios/qemu.rsrc'
3268      build_input = [emulator, files(icon)]
3269      install_input = [
3270        get_option('bindir') / exe_name,
3271        meson.current_source_dir() / icon
3272      ]
3273      if 'CONFIG_HVF' in config_target
3274        entitlements = 'accel/hvf/entitlements.plist'
3275        build_input += files(entitlements)
3276        install_input += meson.current_source_dir() / entitlements
3277      endif
3278
3279      emulators += {exe['name'] : custom_target(exe['name'],
3280                   input: build_input,
3281                   output: exe['name'],
3282                   command: [entitlement, '@OUTPUT@', '@INPUT@'])
3283      }
3284
3285      meson.add_install_script(entitlement, '--install',
3286                               get_option('bindir') / exe['name'],
3287                               install_input)
3288    else
3289      emulators += {exe['name']: emulator}
3290    endif
3291
3292    if stap.found()
3293      foreach stp: [
3294        {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3295        {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3296        {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3297        {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3298      ]
3299        custom_target(exe['name'] + stp['ext'],
3300                      input: trace_events_all,
3301                      output: exe['name'] + stp['ext'],
3302                      install: stp['install'],
3303                      install_dir: get_option('datadir') / 'systemtap/tapset',
3304                      command: [
3305                        tracetool, '--group=all', '--format=' + stp['fmt'],
3306                        '--binary=' + stp['bin'],
3307                        '--target-name=' + target_name,
3308                        '--target-type=' + target_type,
3309                        '--probe-prefix=qemu.' + target_type + '.' + target_name,
3310                        '@INPUT@', '@OUTPUT@'
3311                      ],
3312                      depend_files: tracetool_depends)
3313      endforeach
3314    endif
3315  endforeach
3316endforeach
3317
3318# Other build targets
3319
3320if 'CONFIG_PLUGIN' in config_host
3321  install_headers('include/qemu/qemu-plugin.h')
3322endif
3323
3324subdir('qga')
3325
3326# Don't build qemu-keymap if xkbcommon is not explicitly enabled
3327# when we don't build tools or system
3328if xkbcommon.found()
3329  # used for the update-keymaps target, so include rules even if !have_tools
3330  qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3331                           dependencies: [qemuutil, xkbcommon], install: have_tools)
3332endif
3333
3334if have_tools
3335  qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3336             dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3337  qemu_io = executable('qemu-io', files('qemu-io.c'),
3338             dependencies: [block, qemuutil], install: true)
3339  qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3340               dependencies: [blockdev, qemuutil, gnutls, selinux],
3341               install: true)
3342
3343  subdir('storage-daemon')
3344  subdir('contrib/rdmacm-mux')
3345  subdir('contrib/elf2dmp')
3346
3347  executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3348             dependencies: qemuutil,
3349             install: true)
3350
3351  if 'CONFIG_VHOST_USER' in config_host
3352    subdir('contrib/vhost-user-blk')
3353    subdir('contrib/vhost-user-gpu')
3354    subdir('contrib/vhost-user-input')
3355    subdir('contrib/vhost-user-scsi')
3356  endif
3357
3358  if targetos == 'linux'
3359    executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3360               dependencies: [qemuutil, libcap_ng],
3361               install: true,
3362               install_dir: get_option('libexecdir'))
3363
3364    executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3365               dependencies: [authz, crypto, io, qom, qemuutil,
3366                              libcap_ng, mpathpersist],
3367               install: true)
3368  endif
3369
3370  if have_ivshmem
3371    subdir('contrib/ivshmem-client')
3372    subdir('contrib/ivshmem-server')
3373  endif
3374endif
3375
3376subdir('scripts')
3377subdir('tools')
3378subdir('pc-bios')
3379subdir('docs')
3380subdir('tests')
3381if gtk.found()
3382  subdir('po')
3383endif
3384
3385if host_machine.system() == 'windows'
3386  nsis_cmd = [
3387    find_program('scripts/nsis.py'),
3388    '@OUTPUT@',
3389    get_option('prefix'),
3390    meson.current_source_dir(),
3391    host_machine.cpu(),
3392    '--',
3393    '-DDISPLAYVERSION=' + meson.project_version(),
3394  ]
3395  if build_docs
3396    nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3397  endif
3398  if gtk.found()
3399    nsis_cmd += '-DCONFIG_GTK=y'
3400  endif
3401
3402  nsis = custom_target('nsis',
3403                       output: 'qemu-setup-' + meson.project_version() + '.exe',
3404                       input: files('qemu.nsi'),
3405                       build_always_stale: true,
3406                       command: nsis_cmd + ['@INPUT@'])
3407  alias_target('installer', nsis)
3408endif
3409
3410#########################
3411# Configuration summary #
3412#########################
3413
3414# Directories
3415summary_info = {}
3416summary_info += {'Install prefix':    get_option('prefix')}
3417summary_info += {'BIOS directory':    qemu_datadir}
3418summary_info += {'firmware path':     get_option('qemu_firmwarepath')}
3419summary_info += {'binary directory':  get_option('bindir')}
3420summary_info += {'library directory': get_option('libdir')}
3421summary_info += {'module directory':  qemu_moddir}
3422summary_info += {'libexec directory': get_option('libexecdir')}
3423summary_info += {'include directory': get_option('includedir')}
3424summary_info += {'config directory':  get_option('sysconfdir')}
3425if targetos != 'windows'
3426  summary_info += {'local state directory': get_option('localstatedir')}
3427  summary_info += {'Manual directory':      get_option('mandir')}
3428else
3429  summary_info += {'local state directory': 'queried at runtime'}
3430endif
3431summary_info += {'Doc directory':     get_option('docdir')}
3432summary_info += {'Build directory':   meson.current_build_dir()}
3433summary_info += {'Source path':       meson.current_source_dir()}
3434summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3435summary(summary_info, bool_yn: true, section: 'Directories')
3436
3437# Host binaries
3438summary_info = {}
3439summary_info += {'git':               config_host['GIT']}
3440summary_info += {'make':              config_host['MAKE']}
3441summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3442summary_info += {'sphinx-build':      sphinx_build}
3443if config_host.has_key('HAVE_GDB_BIN')
3444  summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3445endif
3446if get_option('iasl') != ''
3447  summary_info += {'iasl':            get_option('iasl')}
3448else
3449  summary_info += {'iasl':            false}
3450endif
3451summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3452if targetos == 'windows' and have_ga
3453  summary_info += {'wixl':            wixl}
3454endif
3455if slirp_opt != 'disabled' and have_system
3456  summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3457endif
3458summary(summary_info, bool_yn: true, section: 'Host binaries')
3459
3460# Configurable features
3461summary_info = {}
3462summary_info += {'Documentation':     build_docs}
3463summary_info += {'system-mode emulation': have_system}
3464summary_info += {'user-mode emulation': have_user}
3465summary_info += {'block layer':       have_block}
3466summary_info += {'Install blobs':     get_option('install_blobs')}
3467summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3468if config_host.has_key('CONFIG_MODULES')
3469  summary_info += {'alternative module path': config_host.has_key('CONFIG_MODULE_UPGRADES')}
3470endif
3471summary_info += {'fuzzing support':   get_option('fuzzing')}
3472if have_system
3473  summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3474endif
3475summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3476if 'simple' in get_option('trace_backends')
3477  summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3478endif
3479summary_info += {'D-Bus display':     dbus_display}
3480summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3481summary_info += {'vhost-kernel support': config_host.has_key('CONFIG_VHOST_KERNEL')}
3482summary_info += {'vhost-net support': config_host.has_key('CONFIG_VHOST_NET')}
3483summary_info += {'vhost-crypto support': config_host.has_key('CONFIG_VHOST_CRYPTO')}
3484summary_info += {'vhost-scsi support': config_host.has_key('CONFIG_VHOST_SCSI')}
3485summary_info += {'vhost-vsock support': config_host.has_key('CONFIG_VHOST_VSOCK')}
3486summary_info += {'vhost-user support': config_host.has_key('CONFIG_VHOST_USER')}
3487summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3488summary_info += {'vhost-user-fs support': config_host.has_key('CONFIG_VHOST_USER_FS')}
3489summary_info += {'vhost-vdpa support': config_host.has_key('CONFIG_VHOST_VDPA')}
3490summary_info += {'build guest agent': have_ga}
3491summary(summary_info, bool_yn: true, section: 'Configurable features')
3492
3493# Compilation information
3494summary_info = {}
3495summary_info += {'host CPU':          cpu}
3496summary_info += {'host endianness':   build_machine.endian()}
3497summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3498summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3499if link_language == 'cpp'
3500  summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3501else
3502  summary_info += {'C++ compiler':      false}
3503endif
3504if targetos == 'darwin'
3505  summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3506endif
3507summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
3508                                               + ['-O' + get_option('optimization')]
3509                                               + (get_option('debug') ? ['-g'] : []))}
3510if link_language == 'cpp'
3511  summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
3512                                               + ['-O' + get_option('optimization')]
3513                                               + (get_option('debug') ? ['-g'] : []))}
3514endif
3515if targetos == 'darwin'
3516  summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args')
3517                                               + ['-O' + get_option('optimization')]
3518                                               + (get_option('debug') ? ['-g'] : []))}
3519endif
3520link_args = get_option(link_language + '_link_args')
3521if link_args.length() > 0
3522  summary_info += {'LDFLAGS':         ' '.join(link_args)}
3523endif
3524summary_info += {'QEMU_CFLAGS':       config_host['QEMU_CFLAGS']}
3525summary_info += {'QEMU_CXXFLAGS':     config_host['QEMU_CXXFLAGS']}
3526summary_info += {'QEMU_OBJCFLAGS':    config_host['QEMU_OBJCFLAGS']}
3527summary_info += {'QEMU_LDFLAGS':      config_host['QEMU_LDFLAGS']}
3528summary_info += {'profiler':          get_option('profiler')}
3529summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3530summary_info += {'PIE':               get_option('b_pie')}
3531summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3532summary_info += {'malloc trim support': has_malloc_trim}
3533summary_info += {'membarrier':        have_membarrier}
3534summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3535summary_info += {'mutex debugging':   get_option('debug_mutex')}
3536summary_info += {'memory allocator':  get_option('malloc')}
3537summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3538summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3539summary_info += {'gprof enabled':     get_option('gprof')}
3540summary_info += {'gcov':              get_option('b_coverage')}
3541summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3542summary_info += {'CFI support':       get_option('cfi')}
3543if get_option('cfi')
3544  summary_info += {'CFI debug support': get_option('cfi_debug')}
3545endif
3546summary_info += {'strip binaries':    get_option('strip')}
3547summary_info += {'sparse':            sparse}
3548summary_info += {'mingw32 support':   targetos == 'windows'}
3549
3550# snarf the cross-compilation information for tests
3551foreach target: target_dirs
3552  tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + '.mak'
3553  if fs.exists(tcg_mak)
3554    config_cross_tcg = keyval.load(tcg_mak)
3555    target = config_cross_tcg['TARGET_NAME']
3556    compiler = ''
3557    if 'DOCKER_CROSS_CC_GUEST' in config_cross_tcg
3558      summary_info += {target + ' tests': config_cross_tcg['DOCKER_CROSS_CC_GUEST'] +
3559                                          ' via ' + config_cross_tcg['DOCKER_IMAGE']}
3560    elif 'CROSS_CC_GUEST' in config_cross_tcg
3561      summary_info += {target + ' tests'
3562                                : config_cross_tcg['CROSS_CC_GUEST'] }
3563    endif
3564   endif
3565endforeach
3566
3567summary(summary_info, bool_yn: true, section: 'Compilation')
3568
3569# Targets and accelerators
3570summary_info = {}
3571if have_system
3572  summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3573  summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3574  summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3575  summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3576  summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3577  summary_info += {'Xen support':       config_host.has_key('CONFIG_XEN_BACKEND')}
3578  if config_host.has_key('CONFIG_XEN_BACKEND')
3579    summary_info += {'xen ctrl version':  config_host['CONFIG_XEN_CTRL_INTERFACE_VERSION']}
3580  endif
3581endif
3582summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3583if config_all.has_key('CONFIG_TCG')
3584  if get_option('tcg_interpreter')
3585    summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3586  else
3587    summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3588  endif
3589  summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3590  summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3591endif
3592summary_info += {'target list':       ' '.join(target_dirs)}
3593if have_system
3594  summary_info += {'default devices':   get_option('default_devices')}
3595  summary_info += {'out of process emulation': multiprocess_allowed}
3596endif
3597summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3598
3599# Block layer
3600summary_info = {}
3601summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3602summary_info += {'coroutine pool':    have_coroutine_pool}
3603if have_block
3604  summary_info += {'Block whitelist (rw)': config_host['CONFIG_BDRV_RW_WHITELIST']}
3605  summary_info += {'Block whitelist (ro)': config_host['CONFIG_BDRV_RO_WHITELIST']}
3606  summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3607  summary_info += {'VirtFS support':    have_virtfs}
3608  summary_info += {'build virtiofs daemon': have_virtiofsd}
3609  summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3610  summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3611  summary_info += {'bochs support':     get_option('bochs').allowed()}
3612  summary_info += {'cloop support':     get_option('cloop').allowed()}
3613  summary_info += {'dmg support':       get_option('dmg').allowed()}
3614  summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3615  summary_info += {'vdi support':       get_option('vdi').allowed()}
3616  summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3617  summary_info += {'qed support':       get_option('qed').allowed()}
3618  summary_info += {'parallels support': get_option('parallels').allowed()}
3619  summary_info += {'FUSE exports':      fuse}
3620endif
3621summary(summary_info, bool_yn: true, section: 'Block layer support')
3622
3623# Crypto
3624summary_info = {}
3625summary_info += {'TLS priority':      config_host['CONFIG_TLS_PRIORITY']}
3626summary_info += {'GNUTLS support':    gnutls}
3627if gnutls.found()
3628  summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3629endif
3630summary_info += {'libgcrypt':         gcrypt}
3631summary_info += {'nettle':            nettle}
3632if nettle.found()
3633   summary_info += {'  XTS':             xts != 'private'}
3634endif
3635summary_info += {'AF_ALG support':    have_afalg}
3636summary_info += {'rng-none':          get_option('rng_none')}
3637summary_info += {'Linux keyring':     config_host.has_key('CONFIG_SECRET_KEYRING')}
3638summary(summary_info, bool_yn: true, section: 'Crypto')
3639
3640# Libraries
3641summary_info = {}
3642if targetos == 'darwin'
3643  summary_info += {'Cocoa support':   cocoa}
3644endif
3645summary_info += {'SDL support':       sdl}
3646summary_info += {'SDL image support': sdl_image}
3647summary_info += {'GTK support':       gtk}
3648summary_info += {'pixman':            pixman}
3649summary_info += {'VTE support':       vte}
3650summary_info += {'slirp support':     slirp_opt == 'internal' ? slirp_opt : slirp}
3651summary_info += {'libtasn1':          tasn1}
3652summary_info += {'PAM':               pam}
3653summary_info += {'iconv support':     iconv}
3654summary_info += {'curses support':    curses}
3655summary_info += {'virgl support':     virgl}
3656summary_info += {'curl support':      curl}
3657summary_info += {'Multipath support': mpathpersist}
3658summary_info += {'VNC support':       vnc}
3659if vnc.found()
3660  summary_info += {'VNC SASL support':  sasl}
3661  summary_info += {'VNC JPEG support':  jpeg}
3662  summary_info += {'VNC PNG support':   png}
3663endif
3664if targetos not in ['darwin', 'haiku', 'windows']
3665  summary_info += {'OSS support':     oss}
3666elif targetos == 'darwin'
3667  summary_info += {'CoreAudio support': coreaudio}
3668elif targetos == 'windows'
3669  summary_info += {'DirectSound support': dsound}
3670endif
3671if targetos == 'linux'
3672  summary_info += {'ALSA support':    alsa}
3673  summary_info += {'PulseAudio support': pulse}
3674endif
3675summary_info += {'JACK support':      jack}
3676summary_info += {'brlapi support':    brlapi}
3677summary_info += {'vde support':       vde}
3678summary_info += {'netmap support':    have_netmap}
3679summary_info += {'l2tpv3 support':    have_l2tpv3}
3680summary_info += {'Linux AIO support': libaio}
3681summary_info += {'Linux io_uring support': linux_io_uring}
3682summary_info += {'ATTR/XATTR support': libattr}
3683summary_info += {'RDMA support':      config_host.has_key('CONFIG_RDMA')}
3684summary_info += {'PVRDMA support':    config_host.has_key('CONFIG_PVRDMA')}
3685summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3686summary_info += {'libcap-ng support': libcap_ng}
3687summary_info += {'bpf support':       libbpf}
3688summary_info += {'spice protocol support': spice_protocol}
3689if spice_protocol.found()
3690  summary_info += {'  spice server support': spice}
3691endif
3692summary_info += {'rbd support':       rbd}
3693summary_info += {'smartcard support': cacard}
3694summary_info += {'U2F support':       u2f}
3695summary_info += {'libusb':            libusb}
3696summary_info += {'usb net redir':     usbredir}
3697summary_info += {'OpenGL support':    config_host.has_key('CONFIG_OPENGL')}
3698summary_info += {'GBM':               gbm}
3699summary_info += {'libiscsi support':  libiscsi}
3700summary_info += {'libnfs support':    libnfs}
3701if targetos == 'windows'
3702  if have_ga
3703    summary_info += {'QGA VSS support':   have_qga_vss}
3704  endif
3705endif
3706summary_info += {'seccomp support':   seccomp}
3707summary_info += {'GlusterFS support': glusterfs}
3708summary_info += {'TPM support':       have_tpm}
3709summary_info += {'libssh support':    libssh}
3710summary_info += {'lzo support':       lzo}
3711summary_info += {'snappy support':    snappy}
3712summary_info += {'bzip2 support':     libbzip2}
3713summary_info += {'lzfse support':     liblzfse}
3714summary_info += {'zstd support':      zstd}
3715summary_info += {'NUMA host support': numa}
3716summary_info += {'capstone':          capstone_opt == 'internal' ? capstone_opt : capstone}
3717summary_info += {'libpmem support':   libpmem}
3718summary_info += {'libdaxctl support': libdaxctl}
3719summary_info += {'libudev':           libudev}
3720# Dummy dependency, keep .found()
3721summary_info += {'FUSE lseek':        fuse_lseek.found()}
3722summary_info += {'selinux':           selinux}
3723summary(summary_info, bool_yn: true, section: 'Dependencies')
3724
3725if not supported_cpus.contains(cpu)
3726  message()
3727  warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3728  message()
3729  message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3730  message('The QEMU project intends to remove support for this host CPU in')
3731  message('a future release if nobody volunteers to maintain it and to')
3732  message('provide a build host for our continuous integration setup.')
3733  message('configure has succeeded and you can continue to build, but')
3734  message('if you care about QEMU on this platform you should contact')
3735  message('us upstream at qemu-devel@nongnu.org.')
3736endif
3737
3738if not supported_oses.contains(targetos)
3739  message()
3740  warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3741  message()
3742  message('Host OS ' + targetos + 'support is not currently maintained.')
3743  message('The QEMU project intends to remove support for this host OS in')
3744  message('a future release if nobody volunteers to maintain it and to')
3745  message('provide a build host for our continuous integration setup.')
3746  message('configure has succeeded and you can continue to build, but')
3747  message('if you care about QEMU on this platform you should contact')
3748  message('us upstream at qemu-devel@nongnu.org.')
3749endif
3750