xref: /openbmc/qemu/meson.build (revision 7d5983e3)
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', 'optimization=2', 'b_pie=true'],
4        version: files('VERSION'))
5
6add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true)
7add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
8add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
9
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
170if get_option('iasl') == ''
171  iasl = find_program('iasl', required: false)
172else
173  iasl = find_program(get_option('iasl'), required: true)
174endif
175
176##################
177# Compiler flags #
178##################
179
180qemu_cflags = config_host['QEMU_CFLAGS'].split()
181qemu_cxxflags = config_host['QEMU_CXXFLAGS'].split()
182qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split()
183qemu_ldflags = config_host['QEMU_LDFLAGS'].split()
184
185if targetos == 'windows'
186  qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
187  # Disable ASLR for debug builds to allow debugging with gdb
188  if get_option('optimization') == '0'
189    qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase')
190  endif
191endif
192
193if get_option('gprof')
194  qemu_cflags += ['-p']
195  qemu_cxxflags += ['-p']
196  qemu_objcflags += ['-p']
197  qemu_ldflags += ['-p']
198endif
199
200# Specify linker-script with add_project_link_arguments so that it is not placed
201# within a linker --start-group/--end-group pair
202if get_option('fuzzing')
203  add_project_link_arguments(['-Wl,-T,',
204                              (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
205                             native: false, language: ['c', 'cpp', 'objc'])
206
207  # Specify a filter to only instrument code that is directly related to
208  # virtual-devices.
209  configure_file(output: 'instrumentation-filter',
210                 input: 'scripts/oss-fuzz/instrumentation-filter-template',
211                 copy: true)
212  add_global_arguments(
213      cc.get_supported_arguments('-fsanitize-coverage-allowlist=instrumentation-filter'),
214      native: false, language: ['c', 'cpp', 'objc'])
215
216  if get_option('fuzzing_engine') == ''
217    # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
218    # compiled code.  To build non-fuzzer binaries with --enable-fuzzing, link
219    # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
220    # unable to bind the fuzzer-related callbacks added by instrumentation.
221    add_global_arguments('-fsanitize=fuzzer-no-link',
222                         native: false, language: ['c', 'cpp', 'objc'])
223    add_global_link_arguments('-fsanitize=fuzzer-no-link',
224                              native: false, language: ['c', 'cpp', 'objc'])
225    # For the actual fuzzer binaries, we need to link against the libfuzzer
226    # library. They need to be configurable, to support OSS-Fuzz
227    fuzz_exe_ldflags = ['-fsanitize=fuzzer']
228  else
229    # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
230    # the needed CFLAGS have already been provided
231    fuzz_exe_ldflags = get_option('fuzzing_engine').split()
232  endif
233endif
234
235add_global_arguments(qemu_cflags, native: false, language: ['c'])
236add_global_arguments(qemu_cxxflags, native: false, language: ['cpp'])
237add_global_arguments(qemu_objcflags, native: false, language: ['objc'])
238add_global_link_arguments(qemu_ldflags, native: false, language: ['c', 'cpp', 'objc'])
239
240if targetos == 'linux'
241  add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
242                        '-isystem', 'linux-headers',
243                        language: ['c', 'cpp'])
244endif
245
246add_project_arguments('-iquote', '.',
247                      '-iquote', meson.current_source_dir(),
248                      '-iquote', meson.current_source_dir() / 'include',
249                      '-iquote', meson.current_source_dir() / 'disas/libvixl',
250                      language: ['c', 'cpp', 'objc'])
251
252link_language = meson.get_external_property('link_language', 'cpp')
253if link_language == 'cpp'
254  add_languages('cpp', required: true, native: false)
255  cxx = meson.get_compiler('cpp')
256  linker = cxx
257else
258  linker = cc
259endif
260if host_machine.system() == 'darwin'
261  add_languages('objc', required: false, native: false)
262endif
263
264sparse = find_program('cgcc', required: get_option('sparse'))
265if sparse.found()
266  run_target('sparse',
267             command: [find_program('scripts/check_sparse.py'),
268                       'compile_commands.json', sparse.full_path(), '-Wbitwise',
269                       '-Wno-transparent-union', '-Wno-old-initializer',
270                       '-Wno-non-pointer-null'])
271endif
272
273###########################################
274# Target-specific checks and dependencies #
275###########################################
276
277# Fuzzing
278if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
279    not cc.links('''
280          #include <stdint.h>
281          #include <sys/types.h>
282          int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
283          int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
284        ''',
285        args: ['-Werror', '-fsanitize=fuzzer'])
286  error('Your compiler does not support -fsanitize=fuzzer')
287endif
288
289# Tracing backends
290if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
291  error('ftrace is supported only on Linux')
292endif
293if 'syslog' in get_option('trace_backends') and not cc.compiles('''
294    #include <syslog.h>
295    int main(void) {
296        openlog("qemu", LOG_PID, LOG_DAEMON);
297        syslog(LOG_INFO, "configure");
298        return 0;
299    }''')
300  error('syslog is not supported on this system')
301endif
302
303# Miscellaneous Linux-only features
304get_option('mpath') \
305  .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
306
307multiprocess_allowed = get_option('multiprocess') \
308  .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
309  .allowed()
310
311have_tpm = get_option('tpm') \
312  .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
313  .allowed()
314
315# vhost
316have_vhost_user = get_option('vhost_user') \
317  .disable_auto_if(targetos != 'linux') \
318  .require(targetos != 'windows',
319           error_message: 'vhost-user is not available on Windows').allowed()
320have_vhost_vdpa = get_option('vhost_vdpa') \
321  .require(targetos == 'linux',
322           error_message: 'vhost-vdpa is only available on Linux').allowed()
323have_vhost_kernel = get_option('vhost_kernel') \
324  .require(targetos == 'linux',
325           error_message: 'vhost-kernel is only available on Linux').allowed()
326have_vhost_user_crypto = get_option('vhost_crypto') \
327  .require(have_vhost_user,
328           error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
329
330have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
331
332have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
333have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
334have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
335have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
336
337# Target-specific libraries and flags
338libm = cc.find_library('m', required: false)
339threads = dependency('threads')
340util = cc.find_library('util', required: false)
341winmm = []
342socket = []
343version_res = []
344coref = []
345iokit = []
346emulator_link_args = []
347nvmm =not_found
348hvf = not_found
349midl = not_found
350widl = not_found
351host_dsosuf = '.so'
352if targetos == 'windows'
353  midl = find_program('midl', required: false)
354  widl = find_program('widl', required: false)
355  socket = cc.find_library('ws2_32')
356  winmm = cc.find_library('winmm')
357
358  win = import('windows')
359  version_res = win.compile_resources('version.rc',
360                                      depend_files: files('pc-bios/qemu-nsis.ico'),
361                                      include_directories: include_directories('.'))
362  host_dsosuf = '.dll'
363elif targetos == 'darwin'
364  coref = dependency('appleframeworks', modules: 'CoreFoundation')
365  iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
366  host_dsosuf = '.dylib'
367elif targetos == 'sunos'
368  socket = [cc.find_library('socket'),
369            cc.find_library('nsl'),
370            cc.find_library('resolv')]
371elif targetos == 'haiku'
372  socket = [cc.find_library('posix_error_mapper'),
373            cc.find_library('network'),
374            cc.find_library('bsd')]
375elif targetos == 'openbsd'
376  if get_option('tcg').allowed() and target_dirs.length() > 0
377    # Disable OpenBSD W^X if available
378    emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
379  endif
380endif
381
382# Target-specific configuration of accelerators
383accelerators = []
384if get_option('kvm').allowed() and targetos == 'linux'
385  accelerators += 'CONFIG_KVM'
386endif
387if get_option('whpx').allowed() and targetos == 'windows'
388  if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
389    error('WHPX requires 64-bit host')
390  elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
391       cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
392    accelerators += 'CONFIG_WHPX'
393  endif
394endif
395if get_option('hvf').allowed()
396  hvf = dependency('appleframeworks', modules: 'Hypervisor',
397                   required: get_option('hvf'))
398  if hvf.found()
399    accelerators += 'CONFIG_HVF'
400  endif
401endif
402if get_option('hax').allowed()
403  if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
404    accelerators += 'CONFIG_HAX'
405  endif
406endif
407if targetos == 'netbsd'
408  nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
409  if nvmm.found()
410    accelerators += 'CONFIG_NVMM'
411  endif
412endif
413
414tcg_arch = host_arch
415if get_option('tcg').allowed()
416  if host_arch == 'unknown'
417    if get_option('tcg_interpreter')
418      warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
419    else
420      error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
421    endif
422  elif get_option('tcg_interpreter')
423    warning('Use of the TCG interpreter is not recommended on this host')
424    warning('architecture. There is a native TCG execution backend available')
425    warning('which provides substantially better performance and reliability.')
426    warning('It is strongly recommended to remove the --enable-tcg-interpreter')
427    warning('configuration option on this architecture to use the native')
428    warning('backend.')
429  endif
430  if get_option('tcg_interpreter')
431    tcg_arch = 'tci'
432  elif host_arch == 'sparc64'
433    tcg_arch = 'sparc'
434  elif host_arch == 'x86_64'
435    tcg_arch = 'i386'
436  elif host_arch == 'ppc64'
437    tcg_arch = 'ppc'
438  endif
439  add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
440                        language: ['c', 'cpp', 'objc'])
441
442  accelerators += 'CONFIG_TCG'
443  config_host += { 'CONFIG_TCG': 'y' }
444endif
445
446if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
447  error('KVM not available on this platform')
448endif
449if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
450  error('HVF not available on this platform')
451endif
452if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
453  error('NVMM not available on this platform')
454endif
455if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
456  error('WHPX not available on this platform')
457endif
458
459################
460# Dependencies #
461################
462
463# The path to glib.h is added to all compilation commands.  This was
464# grandfathered in from the QEMU Makefiles.
465add_project_arguments(config_host['GLIB_CFLAGS'].split(),
466                      native: false, language: ['c', 'cpp', 'objc'])
467glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
468                          link_args: config_host['GLIB_LIBS'].split(),
469                          version: config_host['GLIB_VERSION'])
470# override glib dep with the configure results (for subprojects)
471meson.override_dependency('glib-2.0', glib)
472
473gio = not_found
474gdbus_codegen = not_found
475if not get_option('gio').auto() or have_system
476  gio = dependency('gio-2.0', required: get_option('gio'),
477                   method: 'pkg-config', kwargs: static_kwargs)
478  if gio.found() and not cc.links('''
479    #include <gio/gio.h>
480    int main(void)
481    {
482      g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
483      return 0;
484    }''', dependencies: [glib, gio])
485    if get_option('gio').enabled()
486      error('The installed libgio is broken for static linking')
487    endif
488    gio = not_found
489  endif
490  if gio.found()
491    gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
492                                 required: get_option('gio'))
493    gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
494                          method: 'pkg-config', kwargs: static_kwargs)
495    gio = declare_dependency(dependencies: [gio, gio_unix],
496                             version: gio.version())
497  endif
498endif
499
500lttng = not_found
501if 'ust' in get_option('trace_backends')
502  lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
503                     method: 'pkg-config', kwargs: static_kwargs)
504endif
505pixman = not_found
506if have_system or have_tools
507  pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
508                      method: 'pkg-config', kwargs: static_kwargs)
509endif
510zlib = dependency('zlib', required: true, kwargs: static_kwargs)
511
512libaio = not_found
513if not get_option('linux_aio').auto() or have_block
514  libaio = cc.find_library('aio', has_headers: ['libaio.h'],
515                           required: get_option('linux_aio'),
516                           kwargs: static_kwargs)
517endif
518linux_io_uring = not_found
519if not get_option('linux_io_uring').auto() or have_block
520  linux_io_uring = dependency('liburing', version: '>=0.3',
521                              required: get_option('linux_io_uring'),
522                              method: 'pkg-config', kwargs: static_kwargs)
523endif
524libnfs = not_found
525if not get_option('libnfs').auto() or have_block
526  libnfs = dependency('libnfs', version: '>=1.9.3',
527                      required: get_option('libnfs'),
528                      method: 'pkg-config', kwargs: static_kwargs)
529endif
530
531libattr_test = '''
532  #include <stddef.h>
533  #include <sys/types.h>
534  #ifdef CONFIG_LIBATTR
535  #include <attr/xattr.h>
536  #else
537  #include <sys/xattr.h>
538  #endif
539  int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
540
541libattr = not_found
542have_old_libattr = false
543if get_option('attr').allowed()
544  if cc.links(libattr_test)
545    libattr = declare_dependency()
546  else
547    libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
548                              required: get_option('attr'),
549                              kwargs: static_kwargs)
550    if libattr.found() and not \
551      cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
552      libattr = not_found
553      if get_option('attr').enabled()
554        error('could not link libattr')
555      else
556        warning('could not link libattr, disabling')
557      endif
558    else
559      have_old_libattr = libattr.found()
560    endif
561  endif
562endif
563
564cocoa = dependency('appleframeworks', modules: 'Cocoa', required: get_option('cocoa'))
565if cocoa.found() and get_option('sdl').enabled()
566  error('Cocoa and SDL cannot be enabled at the same time')
567endif
568if cocoa.found() and get_option('gtk').enabled()
569  error('Cocoa and GTK+ cannot be enabled at the same time')
570endif
571
572seccomp = not_found
573if not get_option('seccomp').auto() or have_system or have_tools
574  seccomp = dependency('libseccomp', version: '>=2.3.0',
575                       required: get_option('seccomp'),
576                       method: 'pkg-config', kwargs: static_kwargs)
577endif
578
579libcap_ng = not_found
580if not get_option('cap_ng').auto() or have_system or have_tools
581  libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
582                              required: get_option('cap_ng'),
583                              kwargs: static_kwargs)
584endif
585if libcap_ng.found() and not cc.links('''
586   #include <cap-ng.h>
587   int main(void)
588   {
589     capng_capability_to_name(CAPNG_EFFECTIVE);
590     return 0;
591   }''', dependencies: libcap_ng)
592  libcap_ng = not_found
593  if get_option('cap_ng').enabled()
594    error('could not link libcap-ng')
595  else
596    warning('could not link libcap-ng, disabling')
597  endif
598endif
599
600if get_option('xkbcommon').auto() and not have_system and not have_tools
601  xkbcommon = not_found
602else
603  xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
604                         method: 'pkg-config', kwargs: static_kwargs)
605endif
606
607vde = not_found
608if not get_option('vde').auto() or have_system or have_tools
609  vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
610                           required: get_option('vde'),
611                           kwargs: static_kwargs)
612endif
613if vde.found() and not cc.links('''
614   #include <libvdeplug.h>
615   int main(void)
616   {
617     struct vde_open_args a = {0, 0, 0};
618     char s[] = "";
619     vde_open(s, s, &a);
620     return 0;
621   }''', dependencies: vde)
622  vde = not_found
623  if get_option('cap_ng').enabled()
624    error('could not link libvdeplug')
625  else
626    warning('could not link libvdeplug, disabling')
627  endif
628endif
629
630pulse = not_found
631if not get_option('pa').auto() or (targetos == 'linux' and have_system)
632  pulse = dependency('libpulse', required: get_option('pa'),
633                     method: 'pkg-config', kwargs: static_kwargs)
634endif
635alsa = not_found
636if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
637  alsa = dependency('alsa', required: get_option('alsa'),
638                    method: 'pkg-config', kwargs: static_kwargs)
639endif
640jack = not_found
641if not get_option('jack').auto() or have_system
642  jack = dependency('jack', required: get_option('jack'),
643                    method: 'pkg-config', kwargs: static_kwargs)
644endif
645
646spice_protocol = not_found
647if not get_option('spice_protocol').auto() or have_system
648  spice_protocol = dependency('spice-protocol', version: '>=0.12.3',
649                              required: get_option('spice_protocol'),
650                              method: 'pkg-config', kwargs: static_kwargs)
651endif
652spice = not_found
653if not get_option('spice').auto() or have_system
654  spice = dependency('spice-server', version: '>=0.12.5',
655                     required: get_option('spice'),
656                     method: 'pkg-config', kwargs: static_kwargs)
657endif
658spice_headers = spice.partial_dependency(compile_args: true, includes: true)
659
660rt = cc.find_library('rt', required: false)
661
662libiscsi = not_found
663if not get_option('libiscsi').auto() or have_block
664  libiscsi = dependency('libiscsi', version: '>=1.9.0',
665                         required: get_option('libiscsi'),
666                         method: 'pkg-config', kwargs: static_kwargs)
667endif
668zstd = not_found
669if not get_option('zstd').auto() or have_block
670  zstd = dependency('libzstd', version: '>=1.4.0',
671                    required: get_option('zstd'),
672                    method: 'pkg-config', kwargs: static_kwargs)
673endif
674virgl = not_found
675
676have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
677if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
678  virgl = dependency('virglrenderer',
679                     method: 'pkg-config',
680                     required: get_option('virglrenderer'),
681                     kwargs: static_kwargs)
682endif
683curl = not_found
684if not get_option('curl').auto() or have_block
685  curl = dependency('libcurl', version: '>=7.29.0',
686                    method: 'pkg-config',
687                    required: get_option('curl'),
688                    kwargs: static_kwargs)
689endif
690libudev = not_found
691if targetos == 'linux' and (have_system or have_tools)
692  libudev = dependency('libudev',
693                       method: 'pkg-config',
694                       required: get_option('libudev'),
695                       kwargs: static_kwargs)
696endif
697
698mpathlibs = [libudev]
699mpathpersist = not_found
700mpathpersist_new_api = false
701if targetos == 'linux' and have_tools and get_option('mpath').allowed()
702  mpath_test_source_new = '''
703    #include <libudev.h>
704    #include <mpath_persist.h>
705    unsigned mpath_mx_alloc_len = 1024;
706    int logsink;
707    static struct config *multipath_conf;
708    extern struct udev *udev;
709    extern struct config *get_multipath_config(void);
710    extern void put_multipath_config(struct config *conf);
711    struct udev *udev;
712    struct config *get_multipath_config(void) { return multipath_conf; }
713    void put_multipath_config(struct config *conf) { }
714    int main(void) {
715        udev = udev_new();
716        multipath_conf = mpath_lib_init();
717        return 0;
718    }'''
719  mpath_test_source_old = '''
720      #include <libudev.h>
721      #include <mpath_persist.h>
722      unsigned mpath_mx_alloc_len = 1024;
723      int logsink;
724      int main(void) {
725          struct udev *udev = udev_new();
726          mpath_lib_init(udev);
727          return 0;
728      }'''
729  libmpathpersist = cc.find_library('mpathpersist',
730                                    required: get_option('mpath'),
731                                    kwargs: static_kwargs)
732  if libmpathpersist.found()
733    mpathlibs += libmpathpersist
734    if enable_static
735      mpathlibs += cc.find_library('devmapper',
736                                     required: get_option('mpath'),
737                                     kwargs: static_kwargs)
738    endif
739    mpathlibs += cc.find_library('multipath',
740                                 required: get_option('mpath'),
741                                 kwargs: static_kwargs)
742    foreach lib: mpathlibs
743      if not lib.found()
744        mpathlibs = []
745        break
746      endif
747    endforeach
748    if mpathlibs.length() == 0
749      msg = 'Dependencies missing for libmpathpersist'
750    elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
751      mpathpersist = declare_dependency(dependencies: mpathlibs)
752      mpathpersist_new_api = true
753    elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
754      mpathpersist = declare_dependency(dependencies: mpathlibs)
755    else
756      msg = 'Cannot detect libmpathpersist API'
757    endif
758    if not mpathpersist.found()
759      if get_option('mpath').enabled()
760        error(msg)
761      else
762        warning(msg + ', disabling')
763      endif
764    endif
765  endif
766endif
767
768iconv = not_found
769curses = not_found
770if have_system and get_option('curses').allowed()
771  curses_test = '''
772    #if defined(__APPLE__) || defined(__OpenBSD__)
773    #define _XOPEN_SOURCE_EXTENDED 1
774    #endif
775    #include <locale.h>
776    #include <curses.h>
777    #include <wchar.h>
778    int main(void) {
779      wchar_t wch = L'w';
780      setlocale(LC_ALL, "");
781      resize_term(0, 0);
782      addwstr(L"wide chars\n");
783      addnwstr(&wch, 1);
784      add_wch(WACS_DEGREE);
785      return 0;
786    }'''
787
788  curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
789  foreach curses_dep : curses_dep_list
790    if not curses.found()
791      curses = dependency(curses_dep,
792                          required: false,
793                          method: 'pkg-config',
794                          kwargs: static_kwargs)
795    endif
796  endforeach
797  msg = get_option('curses').enabled() ? 'curses library not found' : ''
798  curses_compile_args = ['-DNCURSES_WIDECHAR=1']
799  if curses.found()
800    if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
801      curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
802    else
803      msg = 'curses package not usable'
804      curses = not_found
805    endif
806  endif
807  if not curses.found()
808    has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
809    if targetos != 'windows' and not has_curses_h
810      message('Trying with /usr/include/ncursesw')
811      curses_compile_args += ['-I/usr/include/ncursesw']
812      has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
813    endif
814    if has_curses_h
815      curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
816      foreach curses_libname : curses_libname_list
817        libcurses = cc.find_library(curses_libname,
818                                    required: false,
819                                    kwargs: static_kwargs)
820        if libcurses.found()
821          if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
822            curses = declare_dependency(compile_args: curses_compile_args,
823                                        dependencies: [libcurses])
824            break
825          else
826            msg = 'curses library not usable'
827          endif
828        endif
829      endforeach
830    endif
831  endif
832  if get_option('iconv').allowed()
833    foreach link_args : [ ['-liconv'], [] ]
834      # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
835      # We need to use libiconv if available because mixing libiconv's headers with
836      # the system libc does not work.
837      # However, without adding glib to the dependencies -L/usr/local/lib will not be
838      # included in the command line and libiconv will not be found.
839      if cc.links('''
840        #include <iconv.h>
841        int main(void) {
842          iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
843          return conv != (iconv_t) -1;
844        }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
845        iconv = declare_dependency(link_args: link_args, dependencies: glib)
846        break
847      endif
848    endforeach
849  endif
850  if curses.found() and not iconv.found()
851    if get_option('iconv').enabled()
852      error('iconv not available')
853    endif
854    msg = 'iconv required for curses UI but not available'
855    curses = not_found
856  endif
857  if not curses.found() and msg != ''
858    if get_option('curses').enabled()
859      error(msg)
860    else
861      warning(msg + ', disabling')
862    endif
863  endif
864endif
865
866brlapi = not_found
867if not get_option('brlapi').auto() or have_system
868  brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
869                         required: get_option('brlapi'),
870                         kwargs: static_kwargs)
871  if brlapi.found() and not cc.links('''
872     #include <brlapi.h>
873     #include <stddef.h>
874     int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
875    brlapi = not_found
876    if get_option('brlapi').enabled()
877      error('could not link brlapi')
878    else
879      warning('could not link brlapi, disabling')
880    endif
881  endif
882endif
883
884sdl = not_found
885if not get_option('sdl').auto() or (have_system and not cocoa.found())
886  sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
887  sdl_image = not_found
888endif
889if sdl.found()
890  # work around 2.0.8 bug
891  sdl = declare_dependency(compile_args: '-Wno-undef',
892                           dependencies: sdl)
893  sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
894                         method: 'pkg-config', kwargs: static_kwargs)
895else
896  if get_option('sdl_image').enabled()
897    error('sdl-image required, but SDL was @0@'.format(
898          get_option('sdl').disabled() ? 'disabled' : 'not found'))
899  endif
900  sdl_image = not_found
901endif
902
903rbd = not_found
904if not get_option('rbd').auto() or have_block
905  librados = cc.find_library('rados', required: get_option('rbd'),
906                             kwargs: static_kwargs)
907  librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
908                           required: get_option('rbd'),
909                           kwargs: static_kwargs)
910  if librados.found() and librbd.found()
911    if cc.links('''
912      #include <stdio.h>
913      #include <rbd/librbd.h>
914      int main(void) {
915        rados_t cluster;
916        rados_create(&cluster, NULL);
917        #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
918        #error
919        #endif
920        return 0;
921      }''', dependencies: [librbd, librados])
922      rbd = declare_dependency(dependencies: [librbd, librados])
923    elif get_option('rbd').enabled()
924      error('librbd >= 1.12.0 required')
925    else
926      warning('librbd >= 1.12.0 not found, disabling')
927    endif
928  endif
929endif
930
931glusterfs = not_found
932glusterfs_ftruncate_has_stat = false
933glusterfs_iocb_has_stat = false
934if not get_option('glusterfs').auto() or have_block
935  glusterfs = dependency('glusterfs-api', version: '>=3',
936                         required: get_option('glusterfs'),
937                         method: 'pkg-config', kwargs: static_kwargs)
938  if glusterfs.found()
939    glusterfs_ftruncate_has_stat = cc.links('''
940      #include <glusterfs/api/glfs.h>
941
942      int
943      main(void)
944      {
945          /* new glfs_ftruncate() passes two additional args */
946          return glfs_ftruncate(NULL, 0, NULL, NULL);
947      }
948    ''', dependencies: glusterfs)
949    glusterfs_iocb_has_stat = cc.links('''
950      #include <glusterfs/api/glfs.h>
951
952      /* new glfs_io_cbk() passes two additional glfs_stat structs */
953      static void
954      glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
955      {}
956
957      int
958      main(void)
959      {
960          glfs_io_cbk iocb = &glusterfs_iocb;
961          iocb(NULL, 0 , NULL, NULL, NULL);
962          return 0;
963      }
964    ''', dependencies: glusterfs)
965  endif
966endif
967
968libssh = not_found
969if not get_option('libssh').auto() or have_block
970  libssh = dependency('libssh', version: '>=0.8.7',
971                    method: 'pkg-config',
972                    required: get_option('libssh'),
973                    kwargs: static_kwargs)
974endif
975
976libbzip2 = not_found
977if not get_option('bzip2').auto() or have_block
978  libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
979                             required: get_option('bzip2'),
980                             kwargs: static_kwargs)
981  if libbzip2.found() and not cc.links('''
982     #include <bzlib.h>
983     int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
984    libbzip2 = not_found
985    if get_option('bzip2').enabled()
986      error('could not link libbzip2')
987    else
988      warning('could not link libbzip2, disabling')
989    endif
990  endif
991endif
992
993liblzfse = not_found
994if not get_option('lzfse').auto() or have_block
995  liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
996                             required: get_option('lzfse'),
997                             kwargs: static_kwargs)
998endif
999if liblzfse.found() and not cc.links('''
1000   #include <lzfse.h>
1001   int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1002  liblzfse = not_found
1003  if get_option('lzfse').enabled()
1004    error('could not link liblzfse')
1005  else
1006    warning('could not link liblzfse, disabling')
1007  endif
1008endif
1009
1010oss = not_found
1011if get_option('oss').allowed() and have_system
1012  if not cc.has_header('sys/soundcard.h')
1013    # not found
1014  elif targetos == 'netbsd'
1015    oss = cc.find_library('ossaudio', required: get_option('oss'),
1016                          kwargs: static_kwargs)
1017  else
1018    oss = declare_dependency()
1019  endif
1020
1021  if not oss.found()
1022    if get_option('oss').enabled()
1023      error('OSS not found')
1024    endif
1025  endif
1026endif
1027dsound = not_found
1028if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1029  if cc.has_header('dsound.h')
1030    dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1031  endif
1032
1033  if not dsound.found()
1034    if get_option('dsound').enabled()
1035      error('DirectSound not found')
1036    endif
1037  endif
1038endif
1039
1040coreaudio = not_found
1041if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1042  coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1043                         required: get_option('coreaudio'))
1044endif
1045
1046opengl = not_found
1047if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1048  epoxy = dependency('epoxy', method: 'pkg-config',
1049                      required: get_option('opengl'), kwargs: static_kwargs)
1050  if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1051    opengl = epoxy
1052  elif get_option('opengl').enabled()
1053    error('epoxy/egl.h not found')
1054  endif
1055endif
1056gbm = not_found
1057if (have_system or have_tools) and (virgl.found() or opengl.found())
1058  gbm = dependency('gbm', method: 'pkg-config', required: false,
1059                   kwargs: static_kwargs)
1060endif
1061have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and gbm.found()
1062
1063gnutls = not_found
1064gnutls_crypto = not_found
1065if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1066  # For general TLS support our min gnutls matches
1067  # that implied by our platform support matrix
1068  #
1069  # For the crypto backends, we look for a newer
1070  # gnutls:
1071  #
1072  #   Version 3.6.8  is needed to get XTS
1073  #   Version 3.6.13 is needed to get PBKDF
1074  #   Version 3.6.14 is needed to get HW accelerated XTS
1075  #
1076  # If newer enough gnutls isn't available, we can
1077  # still use a different crypto backend to satisfy
1078  # the platform support requirements
1079  gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1080                             method: 'pkg-config',
1081                             required: false,
1082                             kwargs: static_kwargs)
1083  if gnutls_crypto.found()
1084    gnutls = gnutls_crypto
1085  else
1086    # Our min version if all we need is TLS
1087    gnutls = dependency('gnutls', version: '>=3.5.18',
1088                        method: 'pkg-config',
1089                        required: get_option('gnutls'),
1090                        kwargs: static_kwargs)
1091  endif
1092endif
1093
1094# We prefer use of gnutls for crypto, unless the options
1095# explicitly asked for nettle or gcrypt.
1096#
1097# If gnutls isn't available for crypto, then we'll prefer
1098# gcrypt over nettle for performance reasons.
1099gcrypt = not_found
1100nettle = not_found
1101xts = 'none'
1102
1103if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1104  error('Only one of gcrypt & nettle can be enabled')
1105endif
1106
1107# Explicit nettle/gcrypt request, so ignore gnutls for crypto
1108if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1109  gnutls_crypto = not_found
1110endif
1111
1112if not gnutls_crypto.found()
1113  if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1114    gcrypt = dependency('libgcrypt', version: '>=1.8',
1115                        method: 'config-tool',
1116                        required: get_option('gcrypt'),
1117                        kwargs: static_kwargs)
1118    # Debian has removed -lgpg-error from libgcrypt-config
1119    # as it "spreads unnecessary dependencies" which in
1120    # turn breaks static builds...
1121    if gcrypt.found() and enable_static
1122      gcrypt = declare_dependency(dependencies: [
1123        gcrypt,
1124        cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1125    endif
1126  endif
1127  if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1128    nettle = dependency('nettle', version: '>=3.4',
1129                        method: 'pkg-config',
1130                        required: get_option('nettle'),
1131                        kwargs: static_kwargs)
1132    if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1133      xts = 'private'
1134    endif
1135  endif
1136endif
1137
1138gtk = not_found
1139gtkx11 = not_found
1140vte = not_found
1141if not get_option('gtk').auto() or (have_system and not cocoa.found())
1142  gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1143                   method: 'pkg-config',
1144                   required: get_option('gtk'),
1145                   kwargs: static_kwargs)
1146  if gtk.found()
1147    gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1148                        method: 'pkg-config',
1149                        required: false,
1150                        kwargs: static_kwargs)
1151    gtk = declare_dependency(dependencies: [gtk, gtkx11])
1152
1153    if not get_option('vte').auto() or have_system
1154      vte = dependency('vte-2.91',
1155                       method: 'pkg-config',
1156                       required: get_option('vte'),
1157                       kwargs: static_kwargs)
1158    endif
1159  endif
1160endif
1161
1162x11 = not_found
1163if gtkx11.found()
1164  x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1165                   kwargs: static_kwargs)
1166endif
1167png = not_found
1168if get_option('png').allowed() and have_system
1169   png = dependency('libpng', required: get_option('png'),
1170                    method: 'pkg-config', kwargs: static_kwargs)
1171endif
1172vnc = not_found
1173jpeg = not_found
1174sasl = not_found
1175if get_option('vnc').allowed() and have_system
1176  vnc = declare_dependency() # dummy dependency
1177  jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1178                    method: 'pkg-config', kwargs: static_kwargs)
1179  sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1180                         required: get_option('vnc_sasl'),
1181                         kwargs: static_kwargs)
1182  if sasl.found()
1183    sasl = declare_dependency(dependencies: sasl,
1184                              compile_args: '-DSTRUCT_IOVEC_DEFINED')
1185  endif
1186endif
1187
1188pam = not_found
1189if not get_option('auth_pam').auto() or have_system
1190  pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1191                        required: get_option('auth_pam'),
1192                        kwargs: static_kwargs)
1193endif
1194if pam.found() and not cc.links('''
1195   #include <stddef.h>
1196   #include <security/pam_appl.h>
1197   int main(void) {
1198     const char *service_name = "qemu";
1199     const char *user = "frank";
1200     const struct pam_conv pam_conv = { 0 };
1201     pam_handle_t *pamh = NULL;
1202     pam_start(service_name, user, &pam_conv, &pamh);
1203     return 0;
1204   }''', dependencies: pam)
1205  pam = not_found
1206  if get_option('auth_pam').enabled()
1207    error('could not link libpam')
1208  else
1209    warning('could not link libpam, disabling')
1210  endif
1211endif
1212
1213snappy = not_found
1214if not get_option('snappy').auto() or have_system
1215  snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1216                           required: get_option('snappy'),
1217                           kwargs: static_kwargs)
1218endif
1219if snappy.found() and not linker.links('''
1220   #include <snappy-c.h>
1221   int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1222  snappy = not_found
1223  if get_option('snappy').enabled()
1224    error('could not link libsnappy')
1225  else
1226    warning('could not link libsnappy, disabling')
1227  endif
1228endif
1229
1230lzo = not_found
1231if not get_option('lzo').auto() or have_system
1232  lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1233                        required: get_option('lzo'),
1234                        kwargs: static_kwargs)
1235endif
1236if lzo.found() and not cc.links('''
1237   #include <lzo/lzo1x.h>
1238   int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1239  lzo = not_found
1240  if get_option('lzo').enabled()
1241    error('could not link liblzo2')
1242  else
1243    warning('could not link liblzo2, disabling')
1244  endif
1245endif
1246
1247numa = not_found
1248if not get_option('numa').auto() or have_system or have_tools
1249  numa = cc.find_library('numa', has_headers: ['numa.h'],
1250                              required: get_option('numa'),
1251                              kwargs: static_kwargs)
1252endif
1253if numa.found() and not cc.links('''
1254   #include <numa.h>
1255   int main(void) { return numa_available(); }
1256   ''', dependencies: numa)
1257  numa = not_found
1258  if get_option('numa').enabled()
1259    error('could not link numa')
1260  else
1261    warning('could not link numa, disabling')
1262  endif
1263endif
1264
1265rdma = not_found
1266if not get_option('rdma').auto() or have_system
1267  libumad = cc.find_library('ibumad', required: get_option('rdma'))
1268  rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1269                               required: get_option('rdma'),
1270                               kwargs: static_kwargs),
1271               cc.find_library('ibverbs', required: get_option('rdma'),
1272                               kwargs: static_kwargs),
1273               libumad]
1274  rdma = declare_dependency(dependencies: rdma_libs)
1275  foreach lib: rdma_libs
1276    if not lib.found()
1277      rdma = not_found
1278    endif
1279  endforeach
1280endif
1281
1282xen = not_found
1283if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1284  xencontrol = dependency('xencontrol', required: false,
1285                          method: 'pkg-config', kwargs: static_kwargs)
1286  if xencontrol.found()
1287    xen_pc = declare_dependency(version: xencontrol.version(),
1288      dependencies: [
1289        xencontrol,
1290        # disabler: true makes xen_pc.found() return false if any is not found
1291        dependency('xenstore', required: false,
1292                   method: 'pkg-config', kwargs: static_kwargs,
1293                   disabler: true),
1294        dependency('xenforeignmemory', required: false,
1295                   method: 'pkg-config', kwargs: static_kwargs,
1296                   disabler: true),
1297        dependency('xengnttab', required: false,
1298                   method: 'pkg-config', kwargs: static_kwargs,
1299                   disabler: true),
1300        dependency('xenevtchn', required: false,
1301                   method: 'pkg-config', kwargs: static_kwargs,
1302                   disabler: true),
1303        dependency('xendevicemodel', required: false,
1304                   method: 'pkg-config', kwargs: static_kwargs,
1305                   disabler: true),
1306        # optional, no "disabler: true"
1307        dependency('xentoolcore', required: false,
1308                   method: 'pkg-config', kwargs: static_kwargs)])
1309    if xen_pc.found()
1310      xen = xen_pc
1311    endif
1312  endif
1313  if not xen.found()
1314    xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1', '4.6.0', '4.5.0', '4.2.0' ]
1315    xen_libs = {
1316      '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1317      '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1318      '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1319      '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1320      '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1321      '4.6.0': [ 'xenstore', 'xenctrl' ],
1322      '4.5.0': [ 'xenstore', 'xenctrl' ],
1323      '4.2.0': [ 'xenstore', 'xenctrl' ],
1324    }
1325    xen_deps = {}
1326    foreach ver: xen_tests
1327      # cache the various library tests to avoid polluting the logs
1328      xen_test_deps = []
1329      foreach l: xen_libs[ver]
1330        if l not in xen_deps
1331          xen_deps += { l: cc.find_library(l, required: false) }
1332        endif
1333        xen_test_deps += xen_deps[l]
1334      endforeach
1335
1336      # Use -D to pick just one of the test programs in scripts/xen-detect.c
1337      xen_version = ver.split('.')
1338      xen_ctrl_version = xen_version[0] + \
1339        ('0' + xen_version[1]).substring(-2) + \
1340        ('0' + xen_version[2]).substring(-2)
1341      if cc.links(files('scripts/xen-detect.c'),
1342                  args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1343                  dependencies: xen_test_deps)
1344        xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1345        break
1346      endif
1347    endforeach
1348  endif
1349  if xen.found()
1350    accelerators += 'CONFIG_XEN'
1351  elif get_option('xen').enabled()
1352    error('could not compile and link Xen test program')
1353  endif
1354endif
1355have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1356  .require(xen.found(),
1357           error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1358  .require(targetos == 'linux',
1359           error_message: 'Xen PCI passthrough not available on this platform') \
1360  .allowed()
1361
1362
1363cacard = not_found
1364if not get_option('smartcard').auto() or have_system
1365  cacard = dependency('libcacard', required: get_option('smartcard'),
1366                      version: '>=2.5.1', method: 'pkg-config',
1367                      kwargs: static_kwargs)
1368endif
1369u2f = not_found
1370if have_system
1371  u2f = dependency('u2f-emu', required: get_option('u2f'),
1372                   method: 'pkg-config',
1373                   kwargs: static_kwargs)
1374endif
1375usbredir = not_found
1376if not get_option('usb_redir').auto() or have_system
1377  usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1378                        version: '>=0.6', method: 'pkg-config',
1379                        kwargs: static_kwargs)
1380endif
1381libusb = not_found
1382if not get_option('libusb').auto() or have_system
1383  libusb = dependency('libusb-1.0', required: get_option('libusb'),
1384                      version: '>=1.0.13', method: 'pkg-config',
1385                      kwargs: static_kwargs)
1386endif
1387
1388libpmem = not_found
1389if not get_option('libpmem').auto() or have_system
1390  libpmem = dependency('libpmem', required: get_option('libpmem'),
1391                       method: 'pkg-config', kwargs: static_kwargs)
1392endif
1393libdaxctl = not_found
1394if not get_option('libdaxctl').auto() or have_system
1395  libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1396                         version: '>=57', method: 'pkg-config',
1397                         kwargs: static_kwargs)
1398endif
1399tasn1 = not_found
1400if gnutls.found()
1401  tasn1 = dependency('libtasn1',
1402                     method: 'pkg-config',
1403                     kwargs: static_kwargs)
1404endif
1405keyutils = dependency('libkeyutils', required: false,
1406                      method: 'pkg-config', kwargs: static_kwargs)
1407
1408has_gettid = cc.has_function('gettid')
1409
1410# libselinux
1411selinux = dependency('libselinux',
1412                     required: get_option('selinux'),
1413                     method: 'pkg-config', kwargs: static_kwargs)
1414
1415# Malloc tests
1416
1417malloc = []
1418if get_option('malloc') == 'system'
1419  has_malloc_trim = \
1420    get_option('malloc_trim').allowed() and \
1421    cc.links('''#include <malloc.h>
1422                int main(void) { malloc_trim(0); return 0; }''')
1423else
1424  has_malloc_trim = false
1425  malloc = cc.find_library(get_option('malloc'), required: true)
1426endif
1427if not has_malloc_trim and get_option('malloc_trim').enabled()
1428  if get_option('malloc') == 'system'
1429    error('malloc_trim not available on this platform.')
1430  else
1431    error('malloc_trim not available with non-libc memory allocator')
1432  endif
1433endif
1434
1435# Check whether the glibc provides statx()
1436
1437gnu_source_prefix = '''
1438  #ifndef _GNU_SOURCE
1439  #define _GNU_SOURCE
1440  #endif
1441'''
1442statx_test = gnu_source_prefix + '''
1443  #include <sys/stat.h>
1444  int main(void) {
1445    struct statx statxbuf;
1446    statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1447    return 0;
1448  }'''
1449
1450has_statx = cc.links(statx_test)
1451
1452# Check whether statx() provides mount ID information
1453
1454statx_mnt_id_test = gnu_source_prefix + '''
1455  #include <sys/stat.h>
1456  int main(void) {
1457    struct statx statxbuf;
1458    statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1459    return statxbuf.stx_mnt_id;
1460  }'''
1461
1462has_statx_mnt_id = cc.links(statx_mnt_id_test)
1463
1464have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1465  .require(targetos == 'linux',
1466           error_message: 'vhost_user_blk_server requires linux') \
1467  .require(have_vhost_user,
1468           error_message: 'vhost_user_blk_server requires vhost-user support') \
1469  .disable_auto_if(not have_system) \
1470  .allowed()
1471
1472if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1473  error('Cannot enable fuse-lseek while fuse is disabled')
1474endif
1475
1476fuse = dependency('fuse3', required: get_option('fuse'),
1477                  version: '>=3.1', method: 'pkg-config',
1478                  kwargs: static_kwargs)
1479
1480fuse_lseek = not_found
1481if get_option('fuse_lseek').allowed()
1482  if fuse.version().version_compare('>=3.8')
1483    # Dummy dependency
1484    fuse_lseek = declare_dependency()
1485  elif get_option('fuse_lseek').enabled()
1486    if fuse.found()
1487      error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1488    else
1489      error('fuse-lseek requires libfuse, which was not found')
1490    endif
1491  endif
1492endif
1493
1494# libbpf
1495libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1496if libbpf.found() and not cc.links('''
1497   #include <bpf/libbpf.h>
1498   int main(void)
1499   {
1500     bpf_object__destroy_skeleton(NULL);
1501     return 0;
1502   }''', dependencies: libbpf)
1503  libbpf = not_found
1504  if get_option('bpf').enabled()
1505    error('libbpf skeleton test failed')
1506  else
1507    warning('libbpf skeleton test failed, disabling')
1508  endif
1509endif
1510
1511#################
1512# config-host.h #
1513#################
1514
1515audio_drivers_selected = []
1516if have_system
1517  audio_drivers_available = {
1518    'alsa': alsa.found(),
1519    'coreaudio': coreaudio.found(),
1520    'dsound': dsound.found(),
1521    'jack': jack.found(),
1522    'oss': oss.found(),
1523    'pa': pulse.found(),
1524    'sdl': sdl.found(),
1525  }
1526  foreach k, v: audio_drivers_available
1527    config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1528  endforeach
1529
1530  # Default to native drivers first, OSS second, SDL third
1531  audio_drivers_priority = \
1532    [ 'pa', 'coreaudio', 'dsound', 'oss' ] + \
1533    (targetos == 'linux' ? [] : [ 'sdl' ])
1534  audio_drivers_default = []
1535  foreach k: audio_drivers_priority
1536    if audio_drivers_available[k]
1537      audio_drivers_default += k
1538    endif
1539  endforeach
1540
1541  foreach k: get_option('audio_drv_list')
1542    if k == 'default'
1543      audio_drivers_selected += audio_drivers_default
1544    elif not audio_drivers_available[k]
1545      error('Audio driver "@0@" not available.'.format(k))
1546    else
1547      audio_drivers_selected += k
1548    endif
1549  endforeach
1550endif
1551config_host_data.set('CONFIG_AUDIO_DRIVERS',
1552                     '"' + '", "'.join(audio_drivers_selected) + '", ')
1553
1554if get_option('cfi')
1555  cfi_flags=[]
1556  # Check for dependency on LTO
1557  if not get_option('b_lto')
1558    error('Selected Control-Flow Integrity but LTO is disabled')
1559  endif
1560  if config_host.has_key('CONFIG_MODULES')
1561    error('Selected Control-Flow Integrity is not compatible with modules')
1562  endif
1563  # Check for cfi flags. CFI requires LTO so we can't use
1564  # get_supported_arguments, but need a more complex "compiles" which allows
1565  # custom arguments
1566  if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1567                 args: ['-flto', '-fsanitize=cfi-icall'] )
1568    cfi_flags += '-fsanitize=cfi-icall'
1569  else
1570    error('-fsanitize=cfi-icall is not supported by the compiler')
1571  endif
1572  if cc.compiles('int main () { return 0; }',
1573                 name: '-fsanitize-cfi-icall-generalize-pointers',
1574                 args: ['-flto', '-fsanitize=cfi-icall',
1575                        '-fsanitize-cfi-icall-generalize-pointers'] )
1576    cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1577  else
1578    error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1579  endif
1580  if get_option('cfi_debug')
1581    if cc.compiles('int main () { return 0; }',
1582                   name: '-fno-sanitize-trap=cfi-icall',
1583                   args: ['-flto', '-fsanitize=cfi-icall',
1584                          '-fno-sanitize-trap=cfi-icall'] )
1585      cfi_flags += '-fno-sanitize-trap=cfi-icall'
1586    else
1587      error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1588    endif
1589  endif
1590  add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1591  add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1592endif
1593
1594have_host_block_device = (targetos != 'darwin' or
1595    cc.has_header('IOKit/storage/IOMedia.h'))
1596
1597# FIXME enable_modules shouldn't be necessary, but: https://github.com/mesonbuild/meson/issues/8333
1598dbus_display = get_option('dbus_display') \
1599  .require(gio.version().version_compare('>=2.64'),
1600           error_message: '-display dbus requires glib>=2.64') \
1601  .require(enable_modules,
1602           error_message: '-display dbus requires --enable-modules') \
1603  .require(gdbus_codegen.found(),
1604           error_message: '-display dbus requires gdbus-codegen') \
1605  .allowed()
1606
1607have_virtfs = get_option('virtfs') \
1608    .require(targetos == 'linux' or targetos == 'darwin',
1609             error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1610    .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1611             error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1612    .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1613             error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1614    .disable_auto_if(not have_tools and not have_system) \
1615    .allowed()
1616
1617have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1618
1619if get_option('block_drv_ro_whitelist') == ''
1620  config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1621else
1622  config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1623        '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1624endif
1625if get_option('block_drv_rw_whitelist') == ''
1626  config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1627else
1628  config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1629        '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1630endif
1631
1632foreach k : get_option('trace_backends')
1633  config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1634endforeach
1635config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1636config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1637if iasl.found()
1638  config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1639endif
1640config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1641config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1642config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1643config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1644config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1645config_host_data.set_quoted('CONFIG_QEMU_FIRMWAREPATH', get_option('prefix') / get_option('qemu_firmwarepath'))
1646config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1647config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1648config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1649config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1650config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1651config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1652
1653if config_host.has_key('CONFIG_MODULES')
1654  config_host_data.set('CONFIG_STAMP', run_command(
1655      meson.current_source_dir() / 'scripts/qemu-stamp.py',
1656      meson.project_version(), get_option('pkgversion'), '--',
1657      meson.current_source_dir() / 'configure',
1658      capture: true, check: true).stdout().strip())
1659endif
1660
1661have_slirp_smbd = get_option('slirp_smbd') \
1662  .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1663  .allowed()
1664if have_slirp_smbd
1665  smbd_path = get_option('smbd')
1666  if smbd_path == ''
1667    smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1668  endif
1669  config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1670endif
1671
1672config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1673
1674if get_option('module_upgrades') and not enable_modules
1675  error('Cannot enable module-upgrades as modules are not enabled')
1676endif
1677config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1678
1679config_host_data.set('CONFIG_ATTR', libattr.found())
1680config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1681config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1682config_host_data.set('CONFIG_COCOA', cocoa.found())
1683config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1684config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1685config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1686config_host_data.set('CONFIG_LZO', lzo.found())
1687config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1688config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1689config_host_data.set('CONFIG_CURL', curl.found())
1690config_host_data.set('CONFIG_CURSES', curses.found())
1691config_host_data.set('CONFIG_GBM', gbm.found())
1692config_host_data.set('CONFIG_GIO', gio.found())
1693config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1694if glusterfs.found()
1695  config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1696  config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1697  config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1698  config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1699  config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1700  config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1701endif
1702config_host_data.set('CONFIG_GTK', gtk.found())
1703config_host_data.set('CONFIG_VTE', vte.found())
1704config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1705config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1706config_host_data.set('CONFIG_EBPF', libbpf.found())
1707config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1708config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1709config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1710config_host_data.set('CONFIG_LIBSSH', libssh.found())
1711config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1712config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1713config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1714config_host_data.set('CONFIG_NUMA', numa.found())
1715config_host_data.set('CONFIG_OPENGL', opengl.found())
1716config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1717config_host_data.set('CONFIG_RBD', rbd.found())
1718config_host_data.set('CONFIG_RDMA', rdma.found())
1719config_host_data.set('CONFIG_SDL', sdl.found())
1720config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1721config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1722config_host_data.set('CONFIG_SNAPPY', snappy.found())
1723config_host_data.set('CONFIG_TPM', have_tpm)
1724config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1725config_host_data.set('CONFIG_VDE', vde.found())
1726config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1727config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1728config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1729config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1730config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1731config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1732config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1733config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1734config_host_data.set('CONFIG_PNG', png.found())
1735config_host_data.set('CONFIG_VNC', vnc.found())
1736config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1737config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1738config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1739config_host_data.set('CONFIG_VTE', vte.found())
1740config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1741config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1742config_host_data.set('CONFIG_GETTID', has_gettid)
1743config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1744config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1745config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1746config_host_data.set('CONFIG_NETTLE', nettle.found())
1747config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1748config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1749config_host_data.set('CONFIG_STATX', has_statx)
1750config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1751config_host_data.set('CONFIG_ZSTD', zstd.found())
1752config_host_data.set('CONFIG_FUSE', fuse.found())
1753config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1754config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1755if spice_protocol.found()
1756config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1757config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1758config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1759endif
1760config_host_data.set('CONFIG_SPICE', spice.found())
1761config_host_data.set('CONFIG_X11', x11.found())
1762config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1763config_host_data.set('CONFIG_CFI', get_option('cfi'))
1764config_host_data.set('CONFIG_SELINUX', selinux.found())
1765config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1766if xen.found()
1767  # protect from xen.version() having less than three components
1768  xen_version = xen.version().split('.') + ['0', '0']
1769  xen_ctrl_version = xen_version[0] + \
1770    ('0' + xen_version[1]).substring(-2) + \
1771    ('0' + xen_version[2]).substring(-2)
1772  config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1773endif
1774config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1775config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1776config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1777config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1778
1779config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1780config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1781
1782have_coroutine_pool = get_option('coroutine_pool')
1783if get_option('debug_stack_usage') and have_coroutine_pool
1784  message('Disabling coroutine pool to measure stack usage')
1785  have_coroutine_pool = false
1786endif
1787config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1788config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1789config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1790config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1791config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1792config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1793config_host_data.set('CONFIG_REPLICATION', get_option('live_block_migration').allowed())
1794
1795# has_header
1796config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1797config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1798config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1799config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1800config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1801config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1802config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1803config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1804config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1805
1806# has_function
1807config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1808config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1809config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1810config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1811config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1812# Note that we need to specify prefix: here to avoid incorrectly
1813# thinking that Windows has posix_memalign()
1814config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1815config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1816config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1817config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1818config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1819config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1820config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1821config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1822config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1823config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1824config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1825config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1826config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1827config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1828config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1829config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1830config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1831if rdma.found()
1832  config_host_data.set('HAVE_IBV_ADVISE_MR',
1833                       cc.has_function('ibv_advise_mr',
1834                                       dependencies: rdma,
1835                                       prefix: '#include <infiniband/verbs.h>'))
1836endif
1837
1838# has_header_symbol
1839config_host_data.set('CONFIG_BYTESWAP_H',
1840                     cc.has_header_symbol('byteswap.h', 'bswap_32'))
1841config_host_data.set('CONFIG_EPOLL_CREATE1',
1842                     cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
1843config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
1844                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
1845                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
1846config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
1847                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
1848config_host_data.set('CONFIG_FIEMAP',
1849                     cc.has_header('linux/fiemap.h') and
1850                     cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
1851config_host_data.set('CONFIG_GETRANDOM',
1852                     cc.has_function('getrandom') and
1853                     cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
1854config_host_data.set('CONFIG_INOTIFY',
1855                     cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
1856config_host_data.set('CONFIG_INOTIFY1',
1857                     cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
1858config_host_data.set('CONFIG_MACHINE_BSWAP_H',
1859                     cc.has_header_symbol('machine/bswap.h', 'bswap32',
1860                                          prefix: '''#include <sys/endian.h>
1861                                                     #include <sys/types.h>'''))
1862config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
1863                     cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
1864config_host_data.set('CONFIG_RTNETLINK',
1865                     cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
1866config_host_data.set('CONFIG_SYSMACROS',
1867                     cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1868config_host_data.set('HAVE_OPTRESET',
1869                     cc.has_header_symbol('getopt.h', 'optreset'))
1870config_host_data.set('HAVE_IPPROTO_MPTCP',
1871                     cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
1872
1873# has_member
1874config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
1875                     cc.has_member('struct sigevent', 'sigev_notify_thread_id',
1876                                   prefix: '#include <signal.h>'))
1877config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
1878                     cc.has_member('struct stat', 'st_atim',
1879                                   prefix: '#include <sys/stat.h>'))
1880
1881# has_type
1882config_host_data.set('CONFIG_IOVEC',
1883                     cc.has_type('struct iovec',
1884                                 prefix: '#include <sys/uio.h>'))
1885config_host_data.set('HAVE_UTMPX',
1886                     cc.has_type('struct utmpx',
1887                                 prefix: '#include <utmpx.h>'))
1888
1889config_host_data.set('CONFIG_EVENTFD', cc.links('''
1890  #include <sys/eventfd.h>
1891  int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
1892config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
1893  #include <unistd.h>
1894  int main(void) {
1895  #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
1896  return fdatasync(0);
1897  #else
1898  #error Not supported
1899  #endif
1900  }'''))
1901
1902has_madvise = cc.links(gnu_source_prefix + '''
1903  #include <sys/types.h>
1904  #include <sys/mman.h>
1905  #include <stddef.h>
1906  int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
1907missing_madvise_proto = false
1908if has_madvise
1909  # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
1910  # but forget to prototype it. In this case, has_madvise will be true (the
1911  # test program links despite a compile warning). To detect the
1912  # missing-prototype case, we try again with a definitely-bogus prototype.
1913  # This will only compile if the system headers don't provide the prototype;
1914  # otherwise the conflicting prototypes will cause a compiler error.
1915  missing_madvise_proto = cc.links(gnu_source_prefix + '''
1916    #include <sys/types.h>
1917    #include <sys/mman.h>
1918    #include <stddef.h>
1919    extern int madvise(int);
1920    int main(void) { return madvise(0); }''')
1921endif
1922config_host_data.set('CONFIG_MADVISE', has_madvise)
1923config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
1924
1925config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
1926  #include <sys/mman.h>
1927  int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
1928config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
1929  #include <fcntl.h>
1930  #if !defined(AT_EMPTY_PATH)
1931  # error missing definition
1932  #else
1933  int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
1934  #endif'''))
1935config_host_data.set('CONFIG_PIPE2', cc.links(gnu_source_prefix + '''
1936  #include <unistd.h>
1937  #include <fcntl.h>
1938
1939  int main(void)
1940  {
1941      int pipefd[2];
1942      return pipe2(pipefd, O_CLOEXEC);
1943  }'''))
1944config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
1945  #include <sys/mman.h>
1946  #include <stddef.h>
1947  int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
1948
1949config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
1950  #include <pthread.h>
1951
1952  static void *f(void *p) { return NULL; }
1953  int main(void)
1954  {
1955    pthread_t thread;
1956    pthread_create(&thread, 0, f, 0);
1957    pthread_setname_np(thread, "QEMU");
1958    return 0;
1959  }''', dependencies: threads))
1960config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
1961  #include <pthread.h>
1962
1963  static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
1964  int main(void)
1965  {
1966    pthread_t thread;
1967    pthread_create(&thread, 0, f, 0);
1968    return 0;
1969  }''', dependencies: threads))
1970config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
1971  #include <pthread.h>
1972  #include <time.h>
1973
1974  int main(void)
1975  {
1976    pthread_condattr_t attr
1977    pthread_condattr_init(&attr);
1978    pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
1979    return 0;
1980  }''', dependencies: threads))
1981
1982config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
1983  #include <sys/signalfd.h>
1984  #include <stddef.h>
1985  int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
1986config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
1987  #include <unistd.h>
1988  #include <fcntl.h>
1989  #include <limits.h>
1990
1991  int main(void)
1992  {
1993    int len, fd = 0;
1994    len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
1995    splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
1996    return 0;
1997  }'''))
1998
1999config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2000  #include <sys/mman.h>
2001  int main(int argc, char *argv[]) {
2002    return mlockall(MCL_FUTURE);
2003  }'''))
2004
2005have_l2tpv3 = false
2006if get_option('l2tpv3').allowed() and have_system
2007  have_l2tpv3 = cc.has_type('struct mmsghdr',
2008    prefix: gnu_source_prefix + '''
2009      #include <sys/socket.h>
2010      #include <linux/ip.h>''')
2011endif
2012config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2013
2014have_netmap = false
2015if get_option('netmap').allowed() and have_system
2016  have_netmap = cc.compiles('''
2017    #include <inttypes.h>
2018    #include <net/if.h>
2019    #include <net/netmap.h>
2020    #include <net/netmap_user.h>
2021    #if (NETMAP_API < 11) || (NETMAP_API > 15)
2022    #error
2023    #endif
2024    int main(void) { return 0; }''')
2025  if not have_netmap and get_option('netmap').enabled()
2026    error('Netmap headers not available')
2027  endif
2028endif
2029config_host_data.set('CONFIG_NETMAP', have_netmap)
2030
2031# Work around a system header bug with some kernel/XFS header
2032# versions where they both try to define 'struct fsxattr':
2033# xfs headers will not try to redefine structs from linux headers
2034# if this macro is set.
2035config_host_data.set('HAVE_FSXATTR', cc.links('''
2036  #include <linux/fs.h>
2037  struct fsxattr foo;
2038  int main(void) {
2039    return 0;
2040  }'''))
2041
2042# Some versions of Mac OS X incorrectly define SIZE_MAX
2043config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2044    #include <stdint.h>
2045    #include <stdio.h>
2046    int main(int argc, char *argv[]) {
2047        return printf("%zu", SIZE_MAX);
2048    }''', args: ['-Werror']))
2049
2050atomic_test = '''
2051  #include <stdint.h>
2052  int main(void)
2053  {
2054    @0@ x = 0, y = 0;
2055    y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2056    __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2057    __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2058    __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2059    __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2060    return 0;
2061  }'''
2062
2063# See if 64-bit atomic operations are supported.
2064# Note that without __atomic builtins, we can only
2065# assume atomic loads/stores max at pointer size.
2066config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2067
2068has_int128 = cc.links('''
2069  __int128_t a;
2070  __uint128_t b;
2071  int main (void) {
2072    a = a + b;
2073    b = a * b;
2074    a = a * a;
2075    return 0;
2076  }''')
2077
2078config_host_data.set('CONFIG_INT128', has_int128)
2079
2080if has_int128
2081  # "do we have 128-bit atomics which are handled inline and specifically not
2082  # via libatomic". The reason we can't use libatomic is documented in the
2083  # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2084  has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2085
2086  config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2087
2088  if not has_atomic128
2089    has_cmpxchg128 = cc.links('''
2090      int main(void)
2091      {
2092        unsigned __int128 x = 0, y = 0;
2093        __sync_val_compare_and_swap_16(&x, y, x);
2094        return 0;
2095      }
2096    ''')
2097
2098    config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2099  endif
2100endif
2101
2102config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2103  #include <sys/auxv.h>
2104  int main(void) {
2105    return getauxval(AT_HWCAP) == 0;
2106  }'''))
2107
2108config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2109  #include <linux/usbdevice_fs.h>
2110
2111  #ifndef USBDEVFS_GET_CAPABILITIES
2112  #error "USBDEVFS_GET_CAPABILITIES undefined"
2113  #endif
2114
2115  #ifndef USBDEVFS_DISCONNECT_CLAIM
2116  #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2117  #endif
2118
2119  int main(void) { return 0; }'''))
2120
2121have_keyring = get_option('keyring') \
2122  .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2123  .require(cc.compiles('''
2124    #include <errno.h>
2125    #include <asm/unistd.h>
2126    #include <linux/keyctl.h>
2127    #include <sys/syscall.h>
2128    #include <unistd.h>
2129    int main(void) {
2130        return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2131    }'''), error_message: 'keyctl syscall not available on this system').allowed()
2132config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2133
2134have_cpuid_h = cc.links('''
2135  #include <cpuid.h>
2136  int main(void) {
2137    unsigned a, b, c, d;
2138    unsigned max = __get_cpuid_max(0, 0);
2139
2140    if (max >= 1) {
2141        __cpuid(1, a, b, c, d);
2142    }
2143
2144    if (max >= 7) {
2145        __cpuid_count(7, 0, a, b, c, d);
2146    }
2147
2148    return 0;
2149  }''')
2150config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2151
2152config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2153  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2154  .require(cc.links('''
2155    #pragma GCC push_options
2156    #pragma GCC target("avx2")
2157    #include <cpuid.h>
2158    #include <immintrin.h>
2159    static int bar(void *a) {
2160      __m256i x = *(__m256i *)a;
2161      return _mm256_testz_si256(x, x);
2162    }
2163    int main(int argc, char *argv[]) { return bar(argv[0]); }
2164  '''), error_message: 'AVX2 not available').allowed())
2165
2166config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2167  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2168  .require(cc.links('''
2169    #pragma GCC push_options
2170    #pragma GCC target("avx512f")
2171    #include <cpuid.h>
2172    #include <immintrin.h>
2173    static int bar(void *a) {
2174      __m512i x = *(__m512i *)a;
2175      return _mm512_test_epi64_mask(x, x);
2176    }
2177    int main(int argc, char *argv[]) { return bar(argv[0]); }
2178  '''), error_message: 'AVX512F not available').allowed())
2179
2180have_pvrdma = get_option('pvrdma') \
2181  .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2182  .require(cc.compiles('''
2183    int main(void)
2184    {
2185      char buf = 0;
2186      void *addr = &buf;
2187      addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2188
2189      return 0;
2190    }'''), error_message: 'PVRDMA requires mremap').allowed()
2191
2192if have_pvrdma
2193  config_host_data.set('LEGACY_RDMA_REG_MR', not cc.compiles('''
2194    #include <infiniband/verbs.h>
2195    int main(void)
2196    {
2197      struct ibv_mr *mr;
2198      struct ibv_pd *pd = NULL;
2199      size_t length = 10;
2200      uint64_t iova = 0;
2201      int access = 0;
2202      void *addr = NULL;
2203
2204      mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2205      ibv_dereg_mr(mr);
2206      return 0;
2207    }'''))
2208endif
2209
2210if get_option('membarrier').disabled()
2211  have_membarrier = false
2212elif targetos == 'windows'
2213  have_membarrier = true
2214elif targetos == 'linux'
2215  have_membarrier = cc.compiles('''
2216    #include <linux/membarrier.h>
2217    #include <sys/syscall.h>
2218    #include <unistd.h>
2219    #include <stdlib.h>
2220    int main(void) {
2221        syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2222        syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2223        exit(0);
2224    }''')
2225endif
2226config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2227  .require(have_membarrier, error_message: 'membarrier system call not available') \
2228  .allowed())
2229
2230have_afalg = get_option('crypto_afalg') \
2231  .require(cc.compiles(gnu_source_prefix + '''
2232    #include <errno.h>
2233    #include <sys/types.h>
2234    #include <sys/socket.h>
2235    #include <linux/if_alg.h>
2236    int main(void) {
2237      int sock;
2238      sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2239      return sock;
2240    }
2241  '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2242config_host_data.set('CONFIG_AF_ALG', have_afalg)
2243
2244config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2245  'linux/vm_sockets.h', 'AF_VSOCK',
2246  prefix: '#include <sys/socket.h>',
2247))
2248
2249have_vss = false
2250have_vss_sdk = false # old xp/2003 SDK
2251if targetos == 'windows' and link_language == 'cpp'
2252  have_vss = cxx.compiles('''
2253    #define __MIDL_user_allocate_free_DEFINED__
2254    #include <vss.h>
2255    int main(void) { return VSS_CTX_BACKUP; }''')
2256  have_vss_sdk = cxx.has_header('vscoordint.h')
2257endif
2258config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2259
2260foreach k, v: config_host
2261  if k.startswith('CONFIG_')
2262    config_host_data.set(k, v == 'y' ? 1 : v)
2263  endif
2264endforeach
2265
2266# Older versions of MinGW do not import _lock_file and _unlock_file properly.
2267# This was fixed for v6.0.0 with commit b48e3ac8969d.
2268if targetos == 'windows'
2269  config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2270    #include <stdio.h>
2271    int main(void) {
2272      _lock_file(NULL);
2273      _unlock_file(NULL);
2274      return 0;
2275    }''', name: '_lock_file and _unlock_file'))
2276endif
2277
2278########################
2279# Target configuration #
2280########################
2281
2282minikconf = find_program('scripts/minikconf.py')
2283config_all = {}
2284config_all_devices = {}
2285config_all_disas = {}
2286config_devices_mak_list = []
2287config_devices_h = {}
2288config_target_h = {}
2289config_target_mak = {}
2290
2291disassemblers = {
2292  'alpha' : ['CONFIG_ALPHA_DIS'],
2293  'arm' : ['CONFIG_ARM_DIS'],
2294  'avr' : ['CONFIG_AVR_DIS'],
2295  'cris' : ['CONFIG_CRIS_DIS'],
2296  'hexagon' : ['CONFIG_HEXAGON_DIS'],
2297  'hppa' : ['CONFIG_HPPA_DIS'],
2298  'i386' : ['CONFIG_I386_DIS'],
2299  'x86_64' : ['CONFIG_I386_DIS'],
2300  'm68k' : ['CONFIG_M68K_DIS'],
2301  'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2302  'mips' : ['CONFIG_MIPS_DIS'],
2303  'nios2' : ['CONFIG_NIOS2_DIS'],
2304  'or1k' : ['CONFIG_OPENRISC_DIS'],
2305  'ppc' : ['CONFIG_PPC_DIS'],
2306  'riscv' : ['CONFIG_RISCV_DIS'],
2307  'rx' : ['CONFIG_RX_DIS'],
2308  's390' : ['CONFIG_S390_DIS'],
2309  'sh4' : ['CONFIG_SH4_DIS'],
2310  'sparc' : ['CONFIG_SPARC_DIS'],
2311  'xtensa' : ['CONFIG_XTENSA_DIS'],
2312}
2313if link_language == 'cpp'
2314  disassemblers += {
2315    'aarch64' : [ 'CONFIG_ARM_A64_DIS'],
2316    'arm' : [ 'CONFIG_ARM_DIS', 'CONFIG_ARM_A64_DIS'],
2317    'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2318  }
2319endif
2320
2321have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2322host_kconfig = \
2323  (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2324  (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2325  (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2326  (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2327  (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2328  (x11.found() ? ['CONFIG_X11=y'] : []) + \
2329  (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2330  (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2331  (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2332  (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2333  ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2334  (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2335  (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : [])
2336
2337ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2338
2339default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2340actual_target_dirs = []
2341fdt_required = []
2342foreach target : target_dirs
2343  config_target = { 'TARGET_NAME': target.split('-')[0] }
2344  if target.endswith('linux-user')
2345    if targetos != 'linux'
2346      if default_targets
2347        continue
2348      endif
2349      error('Target @0@ is only available on a Linux host'.format(target))
2350    endif
2351    config_target += { 'CONFIG_LINUX_USER': 'y' }
2352  elif target.endswith('bsd-user')
2353    if 'CONFIG_BSD' not in config_host
2354      if default_targets
2355        continue
2356      endif
2357      error('Target @0@ is only available on a BSD host'.format(target))
2358    endif
2359    config_target += { 'CONFIG_BSD_USER': 'y' }
2360  elif target.endswith('softmmu')
2361    config_target += { 'CONFIG_SOFTMMU': 'y' }
2362  endif
2363  if target.endswith('-user')
2364    config_target += {
2365      'CONFIG_USER_ONLY': 'y',
2366      'CONFIG_QEMU_INTERP_PREFIX':
2367        get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2368    }
2369  endif
2370
2371  accel_kconfig = []
2372  foreach sym: accelerators
2373    if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2374      config_target += { sym: 'y' }
2375      config_all += { sym: 'y' }
2376      if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
2377        config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
2378      endif
2379      if target in modular_tcg
2380        config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2381      else
2382        config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2383      endif
2384      accel_kconfig += [ sym + '=y' ]
2385    endif
2386  endforeach
2387  if accel_kconfig.length() == 0
2388    if default_targets
2389      continue
2390    endif
2391    error('No accelerator available for target @0@'.format(target))
2392  endif
2393
2394  actual_target_dirs += target
2395  config_target += keyval.load('configs/targets' / target + '.mak')
2396  config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2397
2398  if 'TARGET_NEED_FDT' in config_target
2399    fdt_required += target
2400  endif
2401
2402  # Add default keys
2403  if 'TARGET_BASE_ARCH' not in config_target
2404    config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2405  endif
2406  if 'TARGET_ABI_DIR' not in config_target
2407    config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2408  endif
2409  if 'TARGET_BIG_ENDIAN' not in config_target
2410    config_target += {'TARGET_BIG_ENDIAN': 'n'}
2411  endif
2412
2413  foreach k, v: disassemblers
2414    if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2415      foreach sym: v
2416        config_target += { sym: 'y' }
2417        config_all_disas += { sym: 'y' }
2418      endforeach
2419    endif
2420  endforeach
2421
2422  config_target_data = configuration_data()
2423  foreach k, v: config_target
2424    if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2425      # do nothing
2426    elif ignored.contains(k)
2427      # do nothing
2428    elif k == 'TARGET_BASE_ARCH'
2429      # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2430      # not used to select files from sourcesets.
2431      config_target_data.set('TARGET_' + v.to_upper(), 1)
2432    elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2433      config_target_data.set_quoted(k, v)
2434    elif v == 'y'
2435      config_target_data.set(k, 1)
2436    elif v == 'n'
2437      config_target_data.set(k, 0)
2438    else
2439      config_target_data.set(k, v)
2440    endif
2441  endforeach
2442  config_target_data.set('QEMU_ARCH',
2443                         'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2444  config_target_h += {target: configure_file(output: target + '-config-target.h',
2445                                               configuration: config_target_data)}
2446
2447  if target.endswith('-softmmu')
2448    config_input = meson.get_external_property(target, 'default')
2449    config_devices_mak = target + '-config-devices.mak'
2450    config_devices_mak = configure_file(
2451      input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2452      output: config_devices_mak,
2453      depfile: config_devices_mak + '.d',
2454      capture: true,
2455      command: [minikconf,
2456                get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2457                config_devices_mak, '@DEPFILE@', '@INPUT@',
2458                host_kconfig, accel_kconfig,
2459                'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2460
2461    config_devices_data = configuration_data()
2462    config_devices = keyval.load(config_devices_mak)
2463    foreach k, v: config_devices
2464      config_devices_data.set(k, 1)
2465    endforeach
2466    config_devices_mak_list += config_devices_mak
2467    config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2468                                                configuration: config_devices_data)}
2469    config_target += config_devices
2470    config_all_devices += config_devices
2471  endif
2472  config_target_mak += {target: config_target}
2473endforeach
2474target_dirs = actual_target_dirs
2475
2476# This configuration is used to build files that are shared by
2477# multiple binaries, and then extracted out of the "common"
2478# static_library target.
2479#
2480# We do not use all_sources()/all_dependencies(), because it would
2481# build literally all source files, including devices only used by
2482# targets that are not built for this compilation.  The CONFIG_ALL
2483# pseudo symbol replaces it.
2484
2485config_all += config_all_devices
2486config_all += config_host
2487config_all += config_all_disas
2488config_all += {
2489  'CONFIG_XEN': xen.found(),
2490  'CONFIG_SOFTMMU': have_system,
2491  'CONFIG_USER_ONLY': have_user,
2492  'CONFIG_ALL': true,
2493}
2494
2495target_configs_h = []
2496foreach target: target_dirs
2497  target_configs_h += config_target_h[target]
2498  target_configs_h += config_devices_h.get(target, [])
2499endforeach
2500genh += custom_target('config-poison.h',
2501                      input: [target_configs_h],
2502                      output: 'config-poison.h',
2503                      capture: true,
2504                      command: [find_program('scripts/make-config-poison.sh'),
2505                                target_configs_h])
2506
2507##############
2508# Submodules #
2509##############
2510
2511capstone = not_found
2512capstone_opt = get_option('capstone')
2513if capstone_opt in ['enabled', 'auto', 'system']
2514  have_internal = fs.exists(meson.current_source_dir() / 'capstone/Makefile')
2515  capstone = dependency('capstone', version: '>=4.0',
2516                        kwargs: static_kwargs, method: 'pkg-config',
2517                        required: capstone_opt == 'system' or
2518                                  capstone_opt == 'enabled' and not have_internal)
2519
2520  # Some versions of capstone have broken pkg-config file
2521  # that reports a wrong -I path, causing the #include to
2522  # fail later. If the system has such a broken version
2523  # do not use it.
2524  if capstone.found() and not cc.compiles('#include <capstone.h>',
2525                                          dependencies: [capstone])
2526    capstone = not_found
2527    if capstone_opt == 'system'
2528      error('system capstone requested, it does not appear to work')
2529    endif
2530  endif
2531
2532  if capstone.found()
2533    capstone_opt = 'system'
2534  elif have_internal
2535    capstone_opt = 'internal'
2536  else
2537    capstone_opt = 'disabled'
2538  endif
2539endif
2540if capstone_opt == 'internal'
2541  capstone_data = configuration_data()
2542  capstone_data.set('CAPSTONE_USE_SYS_DYN_MEM', '1')
2543
2544  capstone_files = files(
2545    'capstone/cs.c',
2546    'capstone/MCInst.c',
2547    'capstone/MCInstrDesc.c',
2548    'capstone/MCRegisterInfo.c',
2549    'capstone/SStream.c',
2550    'capstone/utils.c'
2551  )
2552
2553  if 'CONFIG_ARM_DIS' in config_all_disas
2554    capstone_data.set('CAPSTONE_HAS_ARM', '1')
2555    capstone_files += files(
2556      'capstone/arch/ARM/ARMDisassembler.c',
2557      'capstone/arch/ARM/ARMInstPrinter.c',
2558      'capstone/arch/ARM/ARMMapping.c',
2559      'capstone/arch/ARM/ARMModule.c'
2560    )
2561  endif
2562
2563  # FIXME: This config entry currently depends on a c++ compiler.
2564  # Which is needed for building libvixl, but not for capstone.
2565  if 'CONFIG_ARM_A64_DIS' in config_all_disas
2566    capstone_data.set('CAPSTONE_HAS_ARM64', '1')
2567    capstone_files += files(
2568      'capstone/arch/AArch64/AArch64BaseInfo.c',
2569      'capstone/arch/AArch64/AArch64Disassembler.c',
2570      'capstone/arch/AArch64/AArch64InstPrinter.c',
2571      'capstone/arch/AArch64/AArch64Mapping.c',
2572      'capstone/arch/AArch64/AArch64Module.c'
2573    )
2574  endif
2575
2576  if 'CONFIG_PPC_DIS' in config_all_disas
2577    capstone_data.set('CAPSTONE_HAS_POWERPC', '1')
2578    capstone_files += files(
2579      'capstone/arch/PowerPC/PPCDisassembler.c',
2580      'capstone/arch/PowerPC/PPCInstPrinter.c',
2581      'capstone/arch/PowerPC/PPCMapping.c',
2582      'capstone/arch/PowerPC/PPCModule.c'
2583    )
2584  endif
2585
2586  if 'CONFIG_S390_DIS' in config_all_disas
2587    capstone_data.set('CAPSTONE_HAS_SYSZ', '1')
2588    capstone_files += files(
2589      'capstone/arch/SystemZ/SystemZDisassembler.c',
2590      'capstone/arch/SystemZ/SystemZInstPrinter.c',
2591      'capstone/arch/SystemZ/SystemZMapping.c',
2592      'capstone/arch/SystemZ/SystemZModule.c',
2593      'capstone/arch/SystemZ/SystemZMCTargetDesc.c'
2594    )
2595  endif
2596
2597  if 'CONFIG_I386_DIS' in config_all_disas
2598    capstone_data.set('CAPSTONE_HAS_X86', 1)
2599    capstone_files += files(
2600      'capstone/arch/X86/X86Disassembler.c',
2601      'capstone/arch/X86/X86DisassemblerDecoder.c',
2602      'capstone/arch/X86/X86ATTInstPrinter.c',
2603      'capstone/arch/X86/X86IntelInstPrinter.c',
2604      'capstone/arch/X86/X86InstPrinterCommon.c',
2605      'capstone/arch/X86/X86Mapping.c',
2606      'capstone/arch/X86/X86Module.c'
2607    )
2608  endif
2609
2610  configure_file(output: 'capstone-defs.h', configuration: capstone_data)
2611
2612  capstone_cargs = [
2613    # FIXME: There does not seem to be a way to completely replace the c_args
2614    # that come from add_project_arguments() -- we can only add to them.
2615    # So: disable all warnings with a big hammer.
2616    '-Wno-error', '-w',
2617
2618    # Include all configuration defines via a header file, which will wind up
2619    # as a dependency on the object file, and thus changes here will result
2620    # in a rebuild.
2621    '-include', 'capstone-defs.h'
2622  ]
2623
2624  libcapstone = static_library('capstone',
2625                               build_by_default: false,
2626                               sources: capstone_files,
2627                               c_args: capstone_cargs,
2628                               include_directories: 'capstone/include')
2629  capstone = declare_dependency(link_with: libcapstone,
2630                                include_directories: 'capstone/include/capstone')
2631endif
2632
2633slirp = not_found
2634slirp_opt = 'disabled'
2635if have_system
2636  slirp_opt = get_option('slirp')
2637  if slirp_opt in ['enabled', 'auto', 'system']
2638    have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
2639    slirp = dependency('slirp', kwargs: static_kwargs,
2640                       method: 'pkg-config',
2641                       required: slirp_opt == 'system' or
2642                                 slirp_opt == 'enabled' and not have_internal)
2643    if slirp.found()
2644      slirp_opt = 'system'
2645    elif have_internal
2646      slirp_opt = 'internal'
2647    else
2648      slirp_opt = 'disabled'
2649    endif
2650  endif
2651  if slirp_opt == 'internal'
2652    slirp_deps = []
2653    if targetos == 'windows'
2654      slirp_deps = cc.find_library('iphlpapi')
2655    elif targetos == 'darwin'
2656      slirp_deps = cc.find_library('resolv')
2657    endif
2658    slirp_conf = configuration_data()
2659    slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
2660    slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
2661    slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
2662    slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
2663    slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
2664    slirp_files = [
2665      'slirp/src/arp_table.c',
2666      'slirp/src/bootp.c',
2667      'slirp/src/cksum.c',
2668      'slirp/src/dhcpv6.c',
2669      'slirp/src/dnssearch.c',
2670      'slirp/src/if.c',
2671      'slirp/src/ip6_icmp.c',
2672      'slirp/src/ip6_input.c',
2673      'slirp/src/ip6_output.c',
2674      'slirp/src/ip_icmp.c',
2675      'slirp/src/ip_input.c',
2676      'slirp/src/ip_output.c',
2677      'slirp/src/mbuf.c',
2678      'slirp/src/misc.c',
2679      'slirp/src/ncsi.c',
2680      'slirp/src/ndp_table.c',
2681      'slirp/src/sbuf.c',
2682      'slirp/src/slirp.c',
2683      'slirp/src/socket.c',
2684      'slirp/src/state.c',
2685      'slirp/src/stream.c',
2686      'slirp/src/tcp_input.c',
2687      'slirp/src/tcp_output.c',
2688      'slirp/src/tcp_subr.c',
2689      'slirp/src/tcp_timer.c',
2690      'slirp/src/tftp.c',
2691      'slirp/src/udp.c',
2692      'slirp/src/udp6.c',
2693      'slirp/src/util.c',
2694      'slirp/src/version.c',
2695      'slirp/src/vmstate.c',
2696    ]
2697
2698    configure_file(
2699      input : 'slirp/src/libslirp-version.h.in',
2700      output : 'libslirp-version.h',
2701      configuration: slirp_conf)
2702
2703    slirp_inc = include_directories('slirp', 'slirp/src')
2704    libslirp = static_library('slirp',
2705                              build_by_default: false,
2706                              sources: slirp_files,
2707                              c_args: slirp_cargs,
2708                              include_directories: slirp_inc)
2709    slirp = declare_dependency(link_with: libslirp,
2710                               dependencies: slirp_deps,
2711                               include_directories: slirp_inc)
2712  endif
2713endif
2714
2715# For CFI, we need to compile slirp as a static library together with qemu.
2716# This is because we register slirp functions as callbacks for QEMU Timers.
2717# When using a system-wide shared libslirp, the type information for the
2718# callback is missing and the timer call produces a false positive with CFI.
2719#
2720# Now that slirp_opt has been defined, check if the selected slirp is compatible
2721# with control-flow integrity.
2722if get_option('cfi') and slirp_opt == 'system'
2723  error('Control-Flow Integrity is not compatible with system-wide slirp.' \
2724         + ' Please configure with --enable-slirp=git')
2725endif
2726
2727fdt = not_found
2728if have_system
2729  fdt_opt = get_option('fdt')
2730  if fdt_opt in ['enabled', 'auto', 'system']
2731    have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2732    fdt = cc.find_library('fdt', kwargs: static_kwargs,
2733                          required: fdt_opt == 'system' or
2734                                    fdt_opt == 'enabled' and not have_internal)
2735    if fdt.found() and cc.links('''
2736       #include <libfdt.h>
2737       #include <libfdt_env.h>
2738       int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2739         dependencies: fdt)
2740      fdt_opt = 'system'
2741    elif fdt_opt == 'system'
2742       error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2743    elif have_internal
2744      fdt_opt = 'internal'
2745    else
2746      fdt_opt = 'disabled'
2747      fdt = not_found
2748    endif
2749  endif
2750  if fdt_opt == 'internal'
2751    fdt_files = files(
2752      'dtc/libfdt/fdt.c',
2753      'dtc/libfdt/fdt_ro.c',
2754      'dtc/libfdt/fdt_wip.c',
2755      'dtc/libfdt/fdt_sw.c',
2756      'dtc/libfdt/fdt_rw.c',
2757      'dtc/libfdt/fdt_strerror.c',
2758      'dtc/libfdt/fdt_empty_tree.c',
2759      'dtc/libfdt/fdt_addresses.c',
2760      'dtc/libfdt/fdt_overlay.c',
2761      'dtc/libfdt/fdt_check.c',
2762    )
2763
2764    fdt_inc = include_directories('dtc/libfdt')
2765    libfdt = static_library('fdt',
2766                            build_by_default: false,
2767                            sources: fdt_files,
2768                            include_directories: fdt_inc)
2769    fdt = declare_dependency(link_with: libfdt,
2770                             include_directories: fdt_inc)
2771  endif
2772else
2773  fdt_opt = 'disabled'
2774endif
2775if not fdt.found() and fdt_required.length() > 0
2776  error('fdt not available but required by targets ' + ', '.join(fdt_required))
2777endif
2778
2779config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2780config_host_data.set('CONFIG_FDT', fdt.found())
2781config_host_data.set('CONFIG_SLIRP', slirp.found())
2782
2783#####################
2784# Generated sources #
2785#####################
2786
2787genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2788
2789hxtool = find_program('scripts/hxtool')
2790shaderinclude = find_program('scripts/shaderinclude.pl')
2791qapi_gen = find_program('scripts/qapi-gen.py')
2792qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2793                     meson.current_source_dir() / 'scripts/qapi/commands.py',
2794                     meson.current_source_dir() / 'scripts/qapi/common.py',
2795                     meson.current_source_dir() / 'scripts/qapi/error.py',
2796                     meson.current_source_dir() / 'scripts/qapi/events.py',
2797                     meson.current_source_dir() / 'scripts/qapi/expr.py',
2798                     meson.current_source_dir() / 'scripts/qapi/gen.py',
2799                     meson.current_source_dir() / 'scripts/qapi/introspect.py',
2800                     meson.current_source_dir() / 'scripts/qapi/parser.py',
2801                     meson.current_source_dir() / 'scripts/qapi/schema.py',
2802                     meson.current_source_dir() / 'scripts/qapi/source.py',
2803                     meson.current_source_dir() / 'scripts/qapi/types.py',
2804                     meson.current_source_dir() / 'scripts/qapi/visit.py',
2805                     meson.current_source_dir() / 'scripts/qapi/common.py',
2806                     meson.current_source_dir() / 'scripts/qapi-gen.py'
2807]
2808
2809tracetool = [
2810  python, files('scripts/tracetool.py'),
2811   '--backend=' + ','.join(get_option('trace_backends'))
2812]
2813tracetool_depends = files(
2814  'scripts/tracetool/backend/log.py',
2815  'scripts/tracetool/backend/__init__.py',
2816  'scripts/tracetool/backend/dtrace.py',
2817  'scripts/tracetool/backend/ftrace.py',
2818  'scripts/tracetool/backend/simple.py',
2819  'scripts/tracetool/backend/syslog.py',
2820  'scripts/tracetool/backend/ust.py',
2821  'scripts/tracetool/format/ust_events_c.py',
2822  'scripts/tracetool/format/ust_events_h.py',
2823  'scripts/tracetool/format/__init__.py',
2824  'scripts/tracetool/format/d.py',
2825  'scripts/tracetool/format/simpletrace_stap.py',
2826  'scripts/tracetool/format/c.py',
2827  'scripts/tracetool/format/h.py',
2828  'scripts/tracetool/format/log_stap.py',
2829  'scripts/tracetool/format/stap.py',
2830  'scripts/tracetool/__init__.py',
2831  'scripts/tracetool/transform.py',
2832  'scripts/tracetool/vcpu.py'
2833)
2834
2835qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2836                    meson.current_source_dir(),
2837                    get_option('pkgversion'), meson.project_version()]
2838qemu_version = custom_target('qemu-version.h',
2839                             output: 'qemu-version.h',
2840                             command: qemu_version_cmd,
2841                             capture: true,
2842                             build_by_default: true,
2843                             build_always_stale: true)
2844genh += qemu_version
2845
2846hxdep = []
2847hx_headers = [
2848  ['qemu-options.hx', 'qemu-options.def'],
2849  ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2850]
2851if have_system
2852  hx_headers += [
2853    ['hmp-commands.hx', 'hmp-commands.h'],
2854    ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2855  ]
2856endif
2857foreach d : hx_headers
2858  hxdep += custom_target(d[1],
2859                input: files(d[0]),
2860                output: d[1],
2861                capture: true,
2862                build_by_default: true, # to be removed when added to a target
2863                command: [hxtool, '-h', '@INPUT0@'])
2864endforeach
2865genh += hxdep
2866
2867###################
2868# Collect sources #
2869###################
2870
2871authz_ss = ss.source_set()
2872blockdev_ss = ss.source_set()
2873block_ss = ss.source_set()
2874chardev_ss = ss.source_set()
2875common_ss = ss.source_set()
2876crypto_ss = ss.source_set()
2877hwcore_ss = ss.source_set()
2878io_ss = ss.source_set()
2879qmp_ss = ss.source_set()
2880qom_ss = ss.source_set()
2881softmmu_ss = ss.source_set()
2882specific_fuzz_ss = ss.source_set()
2883specific_ss = ss.source_set()
2884stub_ss = ss.source_set()
2885trace_ss = ss.source_set()
2886user_ss = ss.source_set()
2887util_ss = ss.source_set()
2888
2889# accel modules
2890qtest_module_ss = ss.source_set()
2891tcg_module_ss = ss.source_set()
2892
2893modules = {}
2894target_modules = {}
2895hw_arch = {}
2896target_arch = {}
2897target_softmmu_arch = {}
2898target_user_arch = {}
2899
2900###############
2901# Trace files #
2902###############
2903
2904# TODO: add each directory to the subdirs from its own meson.build, once
2905# we have those
2906trace_events_subdirs = [
2907  'crypto',
2908  'qapi',
2909  'qom',
2910  'monitor',
2911  'util',
2912]
2913if have_linux_user
2914  trace_events_subdirs += [ 'linux-user' ]
2915endif
2916if have_bsd_user
2917  trace_events_subdirs += [ 'bsd-user' ]
2918endif
2919if have_block
2920  trace_events_subdirs += [
2921    'authz',
2922    'block',
2923    'io',
2924    'nbd',
2925    'scsi',
2926  ]
2927endif
2928if have_system
2929  trace_events_subdirs += [
2930    'accel/kvm',
2931    'audio',
2932    'backends',
2933    'backends/tpm',
2934    'chardev',
2935    'ebpf',
2936    'hw/9pfs',
2937    'hw/acpi',
2938    'hw/adc',
2939    'hw/alpha',
2940    'hw/arm',
2941    'hw/audio',
2942    'hw/block',
2943    'hw/block/dataplane',
2944    'hw/char',
2945    'hw/display',
2946    'hw/dma',
2947    'hw/hyperv',
2948    'hw/i2c',
2949    'hw/i386',
2950    'hw/i386/xen',
2951    'hw/ide',
2952    'hw/input',
2953    'hw/intc',
2954    'hw/isa',
2955    'hw/mem',
2956    'hw/mips',
2957    'hw/misc',
2958    'hw/misc/macio',
2959    'hw/net',
2960    'hw/net/can',
2961    'hw/nubus',
2962    'hw/nvme',
2963    'hw/nvram',
2964    'hw/pci',
2965    'hw/pci-host',
2966    'hw/ppc',
2967    'hw/rdma',
2968    'hw/rdma/vmw',
2969    'hw/rtc',
2970    'hw/s390x',
2971    'hw/scsi',
2972    'hw/sd',
2973    'hw/sh4',
2974    'hw/sparc',
2975    'hw/sparc64',
2976    'hw/ssi',
2977    'hw/timer',
2978    'hw/tpm',
2979    'hw/usb',
2980    'hw/vfio',
2981    'hw/virtio',
2982    'hw/watchdog',
2983    'hw/xen',
2984    'hw/gpio',
2985    'migration',
2986    'net',
2987    'softmmu',
2988    'ui',
2989    'hw/remote',
2990  ]
2991endif
2992if have_system or have_user
2993  trace_events_subdirs += [
2994    'accel/tcg',
2995    'hw/core',
2996    'target/arm',
2997    'target/arm/hvf',
2998    'target/hppa',
2999    'target/i386',
3000    'target/i386/kvm',
3001    'target/mips/tcg',
3002    'target/nios2',
3003    'target/ppc',
3004    'target/riscv',
3005    'target/s390x',
3006    'target/s390x/kvm',
3007    'target/sparc',
3008  ]
3009endif
3010
3011vhost_user = not_found
3012if targetos == 'linux' and have_vhost_user
3013  libvhost_user = subproject('libvhost-user')
3014  vhost_user = libvhost_user.get_variable('vhost_user_dep')
3015endif
3016
3017# NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3018# that is filled in by qapi/.
3019subdir('qapi')
3020subdir('qobject')
3021subdir('stubs')
3022subdir('trace')
3023subdir('util')
3024subdir('qom')
3025subdir('authz')
3026subdir('crypto')
3027subdir('ui')
3028subdir('hw')
3029
3030
3031if enable_modules
3032  libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3033  modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3034endif
3035
3036qom_ss = qom_ss.apply(config_host, strict: false)
3037libqom = static_library('qom', qom_ss.sources() + genh,
3038                        dependencies: [qom_ss.dependencies()],
3039                        name_suffix: 'fa')
3040qom = declare_dependency(link_whole: libqom)
3041
3042event_loop_base = files('event-loop-base.c')
3043event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3044                                 build_by_default: true)
3045event_loop_base = declare_dependency(link_whole: event_loop_base,
3046                                     dependencies: [qom])
3047
3048stub_ss = stub_ss.apply(config_all, strict: false)
3049
3050util_ss.add_all(trace_ss)
3051util_ss = util_ss.apply(config_all, strict: false)
3052libqemuutil = static_library('qemuutil',
3053                             sources: util_ss.sources() + stub_ss.sources() + genh,
3054                             dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3055qemuutil = declare_dependency(link_with: libqemuutil,
3056                              sources: genh + version_res)
3057
3058if have_system or have_user
3059  decodetree = generator(find_program('scripts/decodetree.py'),
3060                         output: 'decode-@BASENAME@.c.inc',
3061                         arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3062  subdir('libdecnumber')
3063  subdir('target')
3064endif
3065
3066subdir('audio')
3067subdir('io')
3068subdir('chardev')
3069subdir('fsdev')
3070subdir('dump')
3071
3072if have_block
3073  block_ss.add(files(
3074    'block.c',
3075    'blockjob.c',
3076    'job.c',
3077    'qemu-io-cmds.c',
3078  ))
3079  if config_host_data.get('CONFIG_REPLICATION')
3080    block_ss.add(files('replication.c'))
3081  endif
3082
3083  subdir('nbd')
3084  subdir('scsi')
3085  subdir('block')
3086
3087  blockdev_ss.add(files(
3088    'blockdev.c',
3089    'blockdev-nbd.c',
3090    'iothread.c',
3091    'job-qmp.c',
3092  ), gnutls)
3093
3094  # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3095  # os-win32.c does not
3096  blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3097  softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3098endif
3099
3100common_ss.add(files('cpus-common.c'))
3101
3102subdir('softmmu')
3103
3104common_ss.add(capstone)
3105specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
3106
3107# Work around a gcc bug/misfeature wherein constant propagation looks
3108# through an alias:
3109#   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3110# to guess that a const variable is always zero.  Without lto, this is
3111# impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3112# without lto, not even the alias is required -- we simply use different
3113# declarations in different compilation units.
3114pagevary = files('page-vary-common.c')
3115if get_option('b_lto')
3116  pagevary_flags = ['-fno-lto']
3117  if get_option('cfi')
3118    pagevary_flags += '-fno-sanitize=cfi-icall'
3119  endif
3120  pagevary = static_library('page-vary-common', sources: pagevary + genh,
3121                            c_args: pagevary_flags)
3122  pagevary = declare_dependency(link_with: pagevary)
3123endif
3124common_ss.add(pagevary)
3125specific_ss.add(files('page-vary.c'))
3126
3127subdir('backends')
3128subdir('disas')
3129subdir('migration')
3130subdir('monitor')
3131subdir('net')
3132subdir('replay')
3133subdir('semihosting')
3134subdir('tcg')
3135subdir('fpu')
3136subdir('accel')
3137subdir('plugins')
3138subdir('ebpf')
3139
3140common_user_inc = []
3141
3142subdir('common-user')
3143subdir('bsd-user')
3144subdir('linux-user')
3145
3146# needed for fuzzing binaries
3147subdir('tests/qtest/libqos')
3148subdir('tests/qtest/fuzz')
3149
3150# accel modules
3151tcg_real_module_ss = ss.source_set()
3152tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3153specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3154target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3155                                'tcg': tcg_real_module_ss }}
3156
3157########################
3158# Library dependencies #
3159########################
3160
3161modinfo_collect = find_program('scripts/modinfo-collect.py')
3162modinfo_generate = find_program('scripts/modinfo-generate.py')
3163modinfo_files = []
3164
3165block_mods = []
3166softmmu_mods = []
3167foreach d, list : modules
3168  foreach m, module_ss : list
3169    if enable_modules and targetos != 'windows'
3170      module_ss = module_ss.apply(config_all, strict: false)
3171      sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3172                          dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3173      if d == 'block'
3174        block_mods += sl
3175      else
3176        softmmu_mods += sl
3177      endif
3178      if module_ss.sources() != []
3179        # FIXME: Should use sl.extract_all_objects(recursive: true) as
3180        # input. Sources can be used multiple times but objects are
3181        # unique when it comes to lookup in compile_commands.json.
3182        # Depnds on a mesion version with
3183        # https://github.com/mesonbuild/meson/pull/8900
3184        modinfo_files += custom_target(d + '-' + m + '.modinfo',
3185                                       output: d + '-' + m + '.modinfo',
3186                                       input: module_ss.sources() + genh,
3187                                       capture: true,
3188                                       command: [modinfo_collect, module_ss.sources()])
3189      endif
3190    else
3191      if d == 'block'
3192        block_ss.add_all(module_ss)
3193      else
3194        softmmu_ss.add_all(module_ss)
3195      endif
3196    endif
3197  endforeach
3198endforeach
3199
3200foreach d, list : target_modules
3201  foreach m, module_ss : list
3202    if enable_modules and targetos != 'windows'
3203      foreach target : target_dirs
3204        if target.endswith('-softmmu')
3205          config_target = config_target_mak[target]
3206          config_target += config_host
3207          target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3208          c_args = ['-DNEED_CPU_H',
3209                    '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3210                    '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3211          target_module_ss = module_ss.apply(config_target, strict: false)
3212          if target_module_ss.sources() != []
3213            module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3214            sl = static_library(module_name,
3215                                [genh, target_module_ss.sources()],
3216                                dependencies: [modulecommon, target_module_ss.dependencies()],
3217                                include_directories: target_inc,
3218                                c_args: c_args,
3219                                pic: true)
3220            softmmu_mods += sl
3221            # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3222            modinfo_files += custom_target(module_name + '.modinfo',
3223                                           output: module_name + '.modinfo',
3224                                           input: target_module_ss.sources() + genh,
3225                                           capture: true,
3226                                           command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3227          endif
3228        endif
3229      endforeach
3230    else
3231      specific_ss.add_all(module_ss)
3232    endif
3233  endforeach
3234endforeach
3235
3236if enable_modules
3237  modinfo_src = custom_target('modinfo.c',
3238                              output: 'modinfo.c',
3239                              input: modinfo_files,
3240                              command: [modinfo_generate, '@INPUT@'],
3241                              capture: true)
3242  modinfo_lib = static_library('modinfo', modinfo_src)
3243  modinfo_dep = declare_dependency(link_whole: modinfo_lib)
3244  softmmu_ss.add(modinfo_dep)
3245endif
3246
3247nm = find_program('nm')
3248undefsym = find_program('scripts/undefsym.py')
3249block_syms = custom_target('block.syms', output: 'block.syms',
3250                             input: [libqemuutil, block_mods],
3251                             capture: true,
3252                             command: [undefsym, nm, '@INPUT@'])
3253qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3254                             input: [libqemuutil, softmmu_mods],
3255                             capture: true,
3256                             command: [undefsym, nm, '@INPUT@'])
3257
3258authz_ss = authz_ss.apply(config_host, strict: false)
3259libauthz = static_library('authz', authz_ss.sources() + genh,
3260                          dependencies: [authz_ss.dependencies()],
3261                          name_suffix: 'fa',
3262                          build_by_default: false)
3263
3264authz = declare_dependency(link_whole: libauthz,
3265                           dependencies: qom)
3266
3267crypto_ss = crypto_ss.apply(config_host, strict: false)
3268libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3269                           dependencies: [crypto_ss.dependencies()],
3270                           name_suffix: 'fa',
3271                           build_by_default: false)
3272
3273crypto = declare_dependency(link_whole: libcrypto,
3274                            dependencies: [authz, qom])
3275
3276io_ss = io_ss.apply(config_host, strict: false)
3277libio = static_library('io', io_ss.sources() + genh,
3278                       dependencies: [io_ss.dependencies()],
3279                       link_with: libqemuutil,
3280                       name_suffix: 'fa',
3281                       build_by_default: false)
3282
3283io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3284
3285libmigration = static_library('migration', sources: migration_files + genh,
3286                              name_suffix: 'fa',
3287                              build_by_default: false)
3288migration = declare_dependency(link_with: libmigration,
3289                               dependencies: [zlib, qom, io])
3290softmmu_ss.add(migration)
3291
3292block_ss = block_ss.apply(config_host, strict: false)
3293libblock = static_library('block', block_ss.sources() + genh,
3294                          dependencies: block_ss.dependencies(),
3295                          link_depends: block_syms,
3296                          name_suffix: 'fa',
3297                          build_by_default: false)
3298
3299block = declare_dependency(link_whole: [libblock],
3300                           link_args: '@block.syms',
3301                           dependencies: [crypto, io])
3302
3303blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3304libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3305                             dependencies: blockdev_ss.dependencies(),
3306                             name_suffix: 'fa',
3307                             build_by_default: false)
3308
3309blockdev = declare_dependency(link_whole: [libblockdev],
3310                              dependencies: [block, event_loop_base])
3311
3312qmp_ss = qmp_ss.apply(config_host, strict: false)
3313libqmp = static_library('qmp', qmp_ss.sources() + genh,
3314                        dependencies: qmp_ss.dependencies(),
3315                        name_suffix: 'fa',
3316                        build_by_default: false)
3317
3318qmp = declare_dependency(link_whole: [libqmp])
3319
3320libchardev = static_library('chardev', chardev_ss.sources() + genh,
3321                            name_suffix: 'fa',
3322                            dependencies: chardev_ss.dependencies(),
3323                            build_by_default: false)
3324
3325chardev = declare_dependency(link_whole: libchardev)
3326
3327hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3328libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3329                           name_suffix: 'fa',
3330                           build_by_default: false)
3331hwcore = declare_dependency(link_whole: libhwcore)
3332common_ss.add(hwcore)
3333
3334###########
3335# Targets #
3336###########
3337
3338emulator_modules = []
3339foreach m : block_mods + softmmu_mods
3340  emulator_modules += shared_module(m.name(),
3341                build_by_default: true,
3342                name_prefix: '',
3343                link_whole: m,
3344                install: true,
3345                install_dir: qemu_moddir)
3346endforeach
3347
3348softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3349common_ss.add(qom, qemuutil)
3350
3351common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3352common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3353
3354common_all = common_ss.apply(config_all, strict: false)
3355common_all = static_library('common',
3356                            build_by_default: false,
3357                            sources: common_all.sources() + genh,
3358                            include_directories: common_user_inc,
3359                            implicit_include_directories: false,
3360                            dependencies: common_all.dependencies(),
3361                            name_suffix: 'fa')
3362
3363feature_to_c = find_program('scripts/feature_to_c.sh')
3364
3365if targetos == 'darwin'
3366  entitlement = find_program('scripts/entitlement.sh')
3367endif
3368
3369emulators = {}
3370foreach target : target_dirs
3371  config_target = config_target_mak[target]
3372  target_name = config_target['TARGET_NAME']
3373  target_base_arch = config_target['TARGET_BASE_ARCH']
3374  arch_srcs = [config_target_h[target]]
3375  arch_deps = []
3376  c_args = ['-DNEED_CPU_H',
3377            '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3378            '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3379  link_args = emulator_link_args
3380
3381  config_target += config_host
3382  target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3383  if targetos == 'linux'
3384    target_inc += include_directories('linux-headers', is_system: true)
3385  endif
3386  if target.endswith('-softmmu')
3387    qemu_target_name = 'qemu-system-' + target_name
3388    target_type='system'
3389    t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3390    arch_srcs += t.sources()
3391    arch_deps += t.dependencies()
3392
3393    hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3394    hw = hw_arch[hw_dir].apply(config_target, strict: false)
3395    arch_srcs += hw.sources()
3396    arch_deps += hw.dependencies()
3397
3398    arch_srcs += config_devices_h[target]
3399    link_args += ['@block.syms', '@qemu.syms']
3400  else
3401    abi = config_target['TARGET_ABI_DIR']
3402    target_type='user'
3403    target_inc += common_user_inc
3404    qemu_target_name = 'qemu-' + target_name
3405    if target_base_arch in target_user_arch
3406      t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3407      arch_srcs += t.sources()
3408      arch_deps += t.dependencies()
3409    endif
3410    if 'CONFIG_LINUX_USER' in config_target
3411      base_dir = 'linux-user'
3412    endif
3413    if 'CONFIG_BSD_USER' in config_target
3414      base_dir = 'bsd-user'
3415      target_inc += include_directories('bsd-user/' / targetos)
3416      target_inc += include_directories('bsd-user/host/' / host_arch)
3417      dir = base_dir / abi
3418      arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3419    endif
3420    target_inc += include_directories(
3421      base_dir,
3422      base_dir / abi,
3423    )
3424    if 'CONFIG_LINUX_USER' in config_target
3425      dir = base_dir / abi
3426      arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3427      if config_target.has_key('TARGET_SYSTBL_ABI')
3428        arch_srcs += \
3429          syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3430                                             extra_args : config_target['TARGET_SYSTBL_ABI'])
3431      endif
3432    endif
3433  endif
3434
3435  if 'TARGET_XML_FILES' in config_target
3436    gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3437                                output: target + '-gdbstub-xml.c',
3438                                input: files(config_target['TARGET_XML_FILES'].split()),
3439                                command: [feature_to_c, '@INPUT@'],
3440                                capture: true)
3441    arch_srcs += gdbstub_xml
3442  endif
3443
3444  t = target_arch[target_base_arch].apply(config_target, strict: false)
3445  arch_srcs += t.sources()
3446  arch_deps += t.dependencies()
3447
3448  target_common = common_ss.apply(config_target, strict: false)
3449  objects = common_all.extract_objects(target_common.sources())
3450  deps = target_common.dependencies()
3451
3452  target_specific = specific_ss.apply(config_target, strict: false)
3453  arch_srcs += target_specific.sources()
3454  arch_deps += target_specific.dependencies()
3455
3456  lib = static_library('qemu-' + target,
3457                 sources: arch_srcs + genh,
3458                 dependencies: arch_deps,
3459                 objects: objects,
3460                 include_directories: target_inc,
3461                 c_args: c_args,
3462                 build_by_default: false,
3463                 name_suffix: 'fa')
3464
3465  if target.endswith('-softmmu')
3466    execs = [{
3467      'name': 'qemu-system-' + target_name,
3468      'win_subsystem': 'console',
3469      'sources': files('softmmu/main.c'),
3470      'dependencies': []
3471    }]
3472    if targetos == 'windows' and (sdl.found() or gtk.found())
3473      execs += [{
3474        'name': 'qemu-system-' + target_name + 'w',
3475        'win_subsystem': 'windows',
3476        'sources': files('softmmu/main.c'),
3477        'dependencies': []
3478      }]
3479    endif
3480    if get_option('fuzzing')
3481      specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3482      execs += [{
3483        'name': 'qemu-fuzz-' + target_name,
3484        'win_subsystem': 'console',
3485        'sources': specific_fuzz.sources(),
3486        'dependencies': specific_fuzz.dependencies(),
3487      }]
3488    endif
3489  else
3490    execs = [{
3491      'name': 'qemu-' + target_name,
3492      'win_subsystem': 'console',
3493      'sources': [],
3494      'dependencies': []
3495    }]
3496  endif
3497  foreach exe: execs
3498    exe_name = exe['name']
3499    if targetos == 'darwin'
3500      exe_name += '-unsigned'
3501    endif
3502
3503    emulator = executable(exe_name, exe['sources'],
3504               install: true,
3505               c_args: c_args,
3506               dependencies: arch_deps + deps + exe['dependencies'],
3507               objects: lib.extract_all_objects(recursive: true),
3508               link_language: link_language,
3509               link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3510               link_args: link_args,
3511               win_subsystem: exe['win_subsystem'])
3512
3513    if targetos == 'darwin'
3514      icon = 'pc-bios/qemu.rsrc'
3515      build_input = [emulator, files(icon)]
3516      install_input = [
3517        get_option('bindir') / exe_name,
3518        meson.current_source_dir() / icon
3519      ]
3520      if 'CONFIG_HVF' in config_target
3521        entitlements = 'accel/hvf/entitlements.plist'
3522        build_input += files(entitlements)
3523        install_input += meson.current_source_dir() / entitlements
3524      endif
3525
3526      emulators += {exe['name'] : custom_target(exe['name'],
3527                   input: build_input,
3528                   output: exe['name'],
3529                   command: [entitlement, '@OUTPUT@', '@INPUT@'])
3530      }
3531
3532      meson.add_install_script(entitlement, '--install',
3533                               get_option('bindir') / exe['name'],
3534                               install_input)
3535    else
3536      emulators += {exe['name']: emulator}
3537    endif
3538
3539    if stap.found()
3540      foreach stp: [
3541        {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3542        {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3543        {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3544        {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3545      ]
3546        custom_target(exe['name'] + stp['ext'],
3547                      input: trace_events_all,
3548                      output: exe['name'] + stp['ext'],
3549                      install: stp['install'],
3550                      install_dir: get_option('datadir') / 'systemtap/tapset',
3551                      command: [
3552                        tracetool, '--group=all', '--format=' + stp['fmt'],
3553                        '--binary=' + stp['bin'],
3554                        '--target-name=' + target_name,
3555                        '--target-type=' + target_type,
3556                        '--probe-prefix=qemu.' + target_type + '.' + target_name,
3557                        '@INPUT@', '@OUTPUT@'
3558                      ],
3559                      depend_files: tracetool_depends)
3560      endforeach
3561    endif
3562  endforeach
3563endforeach
3564
3565# Other build targets
3566
3567if 'CONFIG_PLUGIN' in config_host
3568  install_headers('include/qemu/qemu-plugin.h')
3569endif
3570
3571subdir('qga')
3572
3573# Don't build qemu-keymap if xkbcommon is not explicitly enabled
3574# when we don't build tools or system
3575if xkbcommon.found()
3576  # used for the update-keymaps target, so include rules even if !have_tools
3577  qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3578                           dependencies: [qemuutil, xkbcommon], install: have_tools)
3579endif
3580
3581if have_tools
3582  qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3583             dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3584  qemu_io = executable('qemu-io', files('qemu-io.c'),
3585             dependencies: [block, qemuutil], install: true)
3586  qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3587               dependencies: [blockdev, qemuutil, gnutls, selinux],
3588               install: true)
3589
3590  subdir('storage-daemon')
3591  subdir('contrib/rdmacm-mux')
3592  subdir('contrib/elf2dmp')
3593
3594  executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3595             dependencies: qemuutil,
3596             install: true)
3597
3598  if have_vhost_user
3599    subdir('contrib/vhost-user-blk')
3600    subdir('contrib/vhost-user-gpu')
3601    subdir('contrib/vhost-user-input')
3602    subdir('contrib/vhost-user-scsi')
3603  endif
3604
3605  if targetos == 'linux'
3606    executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3607               dependencies: [qemuutil, libcap_ng],
3608               install: true,
3609               install_dir: get_option('libexecdir'))
3610
3611    executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3612               dependencies: [authz, crypto, io, qom, qemuutil,
3613                              libcap_ng, mpathpersist],
3614               install: true)
3615  endif
3616
3617  if have_ivshmem
3618    subdir('contrib/ivshmem-client')
3619    subdir('contrib/ivshmem-server')
3620  endif
3621endif
3622
3623subdir('scripts')
3624subdir('tools')
3625subdir('pc-bios')
3626subdir('docs')
3627subdir('tests')
3628if gtk.found()
3629  subdir('po')
3630endif
3631
3632if host_machine.system() == 'windows'
3633  nsis_cmd = [
3634    find_program('scripts/nsis.py'),
3635    '@OUTPUT@',
3636    get_option('prefix'),
3637    meson.current_source_dir(),
3638    host_machine.cpu(),
3639    '--',
3640    '-DDISPLAYVERSION=' + meson.project_version(),
3641  ]
3642  if build_docs
3643    nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3644  endif
3645  if gtk.found()
3646    nsis_cmd += '-DCONFIG_GTK=y'
3647  endif
3648
3649  nsis = custom_target('nsis',
3650                       output: 'qemu-setup-' + meson.project_version() + '.exe',
3651                       input: files('qemu.nsi'),
3652                       build_always_stale: true,
3653                       command: nsis_cmd + ['@INPUT@'])
3654  alias_target('installer', nsis)
3655endif
3656
3657#########################
3658# Configuration summary #
3659#########################
3660
3661# Directories
3662summary_info = {}
3663summary_info += {'Install prefix':    get_option('prefix')}
3664summary_info += {'BIOS directory':    qemu_datadir}
3665summary_info += {'firmware path':     get_option('prefix') / get_option('qemu_firmwarepath')}
3666summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3667summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3668summary_info += {'module directory':  qemu_moddir}
3669summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3670summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3671summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3672if targetos != 'windows'
3673  summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3674  summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3675else
3676  summary_info += {'local state directory': 'queried at runtime'}
3677endif
3678summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3679summary_info += {'Build directory':   meson.current_build_dir()}
3680summary_info += {'Source path':       meson.current_source_dir()}
3681summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3682summary(summary_info, bool_yn: true, section: 'Directories')
3683
3684# Host binaries
3685summary_info = {}
3686summary_info += {'git':               config_host['GIT']}
3687summary_info += {'make':              config_host['MAKE']}
3688summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3689summary_info += {'sphinx-build':      sphinx_build}
3690if config_host.has_key('HAVE_GDB_BIN')
3691  summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3692endif
3693summary_info += {'iasl':              iasl}
3694summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3695if targetos == 'windows' and have_ga
3696  summary_info += {'wixl':            wixl}
3697endif
3698if slirp_opt != 'disabled' and have_system
3699  summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3700endif
3701summary(summary_info, bool_yn: true, section: 'Host binaries')
3702
3703# Configurable features
3704summary_info = {}
3705summary_info += {'Documentation':     build_docs}
3706summary_info += {'system-mode emulation': have_system}
3707summary_info += {'user-mode emulation': have_user}
3708summary_info += {'block layer':       have_block}
3709summary_info += {'Install blobs':     get_option('install_blobs')}
3710summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3711if config_host.has_key('CONFIG_MODULES')
3712  summary_info += {'alternative module path': get_option('module_upgrades')}
3713endif
3714summary_info += {'fuzzing support':   get_option('fuzzing')}
3715if have_system
3716  summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3717endif
3718summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3719if 'simple' in get_option('trace_backends')
3720  summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3721endif
3722summary_info += {'D-Bus display':     dbus_display}
3723summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3724summary_info += {'vhost-kernel support': have_vhost_kernel}
3725summary_info += {'vhost-net support': have_vhost_net}
3726summary_info += {'vhost-user support': have_vhost_user}
3727summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3728summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3729summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3730summary_info += {'build guest agent': have_ga}
3731summary(summary_info, bool_yn: true, section: 'Configurable features')
3732
3733# Compilation information
3734summary_info = {}
3735summary_info += {'host CPU':          cpu}
3736summary_info += {'host endianness':   build_machine.endian()}
3737summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3738summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3739if link_language == 'cpp'
3740  summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3741else
3742  summary_info += {'C++ compiler':      false}
3743endif
3744if targetos == 'darwin'
3745  summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3746endif
3747summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
3748                                               + ['-O' + get_option('optimization')]
3749                                               + (get_option('debug') ? ['-g'] : []))}
3750if link_language == 'cpp'
3751  summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
3752                                               + ['-O' + get_option('optimization')]
3753                                               + (get_option('debug') ? ['-g'] : []))}
3754endif
3755if targetos == 'darwin'
3756  summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args')
3757                                               + ['-O' + get_option('optimization')]
3758                                               + (get_option('debug') ? ['-g'] : []))}
3759endif
3760link_args = get_option(link_language + '_link_args')
3761if link_args.length() > 0
3762  summary_info += {'LDFLAGS':         ' '.join(link_args)}
3763endif
3764summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3765summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3766summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3767summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3768summary_info += {'profiler':          get_option('profiler')}
3769summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3770summary_info += {'PIE':               get_option('b_pie')}
3771summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3772summary_info += {'malloc trim support': has_malloc_trim}
3773summary_info += {'membarrier':        have_membarrier}
3774summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3775summary_info += {'mutex debugging':   get_option('debug_mutex')}
3776summary_info += {'memory allocator':  get_option('malloc')}
3777summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3778summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3779summary_info += {'gprof enabled':     get_option('gprof')}
3780summary_info += {'gcov':              get_option('b_coverage')}
3781summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3782summary_info += {'CFI support':       get_option('cfi')}
3783if get_option('cfi')
3784  summary_info += {'CFI debug support': get_option('cfi_debug')}
3785endif
3786summary_info += {'strip binaries':    get_option('strip')}
3787summary_info += {'sparse':            sparse}
3788summary_info += {'mingw32 support':   targetos == 'windows'}
3789
3790# snarf the cross-compilation information for tests
3791foreach target: target_dirs
3792  tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + '.mak'
3793  if fs.exists(tcg_mak)
3794    config_cross_tcg = keyval.load(tcg_mak)
3795    target = config_cross_tcg['TARGET_NAME']
3796    compiler = ''
3797    if 'DOCKER_CROSS_CC_GUEST' in config_cross_tcg
3798      summary_info += {target + ' tests': config_cross_tcg['DOCKER_CROSS_CC_GUEST'] +
3799                                          ' via ' + config_cross_tcg['DOCKER_IMAGE']}
3800    elif 'CROSS_CC_GUEST' in config_cross_tcg
3801      summary_info += {target + ' tests'
3802                                : config_cross_tcg['CROSS_CC_GUEST'] }
3803    endif
3804   endif
3805endforeach
3806
3807summary(summary_info, bool_yn: true, section: 'Compilation')
3808
3809# Targets and accelerators
3810summary_info = {}
3811if have_system
3812  summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3813  summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3814  summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3815  summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3816  summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3817  summary_info += {'Xen support':       xen.found()}
3818  if xen.found()
3819    summary_info += {'xen ctrl version':  xen.version()}
3820  endif
3821endif
3822summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3823if config_all.has_key('CONFIG_TCG')
3824  if get_option('tcg_interpreter')
3825    summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3826  else
3827    summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3828  endif
3829  summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3830  summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3831endif
3832summary_info += {'target list':       ' '.join(target_dirs)}
3833if have_system
3834  summary_info += {'default devices':   get_option('default_devices')}
3835  summary_info += {'out of process emulation': multiprocess_allowed}
3836endif
3837summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3838
3839# Block layer
3840summary_info = {}
3841summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3842summary_info += {'coroutine pool':    have_coroutine_pool}
3843if have_block
3844  summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3845  summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3846  summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3847  summary_info += {'VirtFS support':    have_virtfs}
3848  summary_info += {'build virtiofs daemon': have_virtiofsd}
3849  summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3850  summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3851  summary_info += {'bochs support':     get_option('bochs').allowed()}
3852  summary_info += {'cloop support':     get_option('cloop').allowed()}
3853  summary_info += {'dmg support':       get_option('dmg').allowed()}
3854  summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3855  summary_info += {'vdi support':       get_option('vdi').allowed()}
3856  summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3857  summary_info += {'qed support':       get_option('qed').allowed()}
3858  summary_info += {'parallels support': get_option('parallels').allowed()}
3859  summary_info += {'FUSE exports':      fuse}
3860endif
3861summary(summary_info, bool_yn: true, section: 'Block layer support')
3862
3863# Crypto
3864summary_info = {}
3865summary_info += {'TLS priority':      get_option('tls_priority')}
3866summary_info += {'GNUTLS support':    gnutls}
3867if gnutls.found()
3868  summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3869endif
3870summary_info += {'libgcrypt':         gcrypt}
3871summary_info += {'nettle':            nettle}
3872if nettle.found()
3873   summary_info += {'  XTS':             xts != 'private'}
3874endif
3875summary_info += {'AF_ALG support':    have_afalg}
3876summary_info += {'rng-none':          get_option('rng_none')}
3877summary_info += {'Linux keyring':     have_keyring}
3878summary(summary_info, bool_yn: true, section: 'Crypto')
3879
3880# Libraries
3881summary_info = {}
3882if targetos == 'darwin'
3883  summary_info += {'Cocoa support':   cocoa}
3884endif
3885summary_info += {'SDL support':       sdl}
3886summary_info += {'SDL image support': sdl_image}
3887summary_info += {'GTK support':       gtk}
3888summary_info += {'pixman':            pixman}
3889summary_info += {'VTE support':       vte}
3890summary_info += {'slirp support':     slirp_opt == 'internal' ? slirp_opt : slirp}
3891summary_info += {'libtasn1':          tasn1}
3892summary_info += {'PAM':               pam}
3893summary_info += {'iconv support':     iconv}
3894summary_info += {'curses support':    curses}
3895summary_info += {'virgl support':     virgl}
3896summary_info += {'curl support':      curl}
3897summary_info += {'Multipath support': mpathpersist}
3898summary_info += {'PNG support':       png}
3899summary_info += {'VNC support':       vnc}
3900if vnc.found()
3901  summary_info += {'VNC SASL support':  sasl}
3902  summary_info += {'VNC JPEG support':  jpeg}
3903endif
3904if targetos not in ['darwin', 'haiku', 'windows']
3905  summary_info += {'OSS support':     oss}
3906elif targetos == 'darwin'
3907  summary_info += {'CoreAudio support': coreaudio}
3908elif targetos == 'windows'
3909  summary_info += {'DirectSound support': dsound}
3910endif
3911if targetos == 'linux'
3912  summary_info += {'ALSA support':    alsa}
3913  summary_info += {'PulseAudio support': pulse}
3914endif
3915summary_info += {'JACK support':      jack}
3916summary_info += {'brlapi support':    brlapi}
3917summary_info += {'vde support':       vde}
3918summary_info += {'netmap support':    have_netmap}
3919summary_info += {'l2tpv3 support':    have_l2tpv3}
3920summary_info += {'Linux AIO support': libaio}
3921summary_info += {'Linux io_uring support': linux_io_uring}
3922summary_info += {'ATTR/XATTR support': libattr}
3923summary_info += {'RDMA support':      rdma}
3924summary_info += {'PVRDMA support':    have_pvrdma}
3925summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3926summary_info += {'libcap-ng support': libcap_ng}
3927summary_info += {'bpf support':       libbpf}
3928summary_info += {'spice protocol support': spice_protocol}
3929if spice_protocol.found()
3930  summary_info += {'  spice server support': spice}
3931endif
3932summary_info += {'rbd support':       rbd}
3933summary_info += {'smartcard support': cacard}
3934summary_info += {'U2F support':       u2f}
3935summary_info += {'libusb':            libusb}
3936summary_info += {'usb net redir':     usbredir}
3937summary_info += {'OpenGL support (epoxy)': opengl}
3938summary_info += {'GBM':               gbm}
3939summary_info += {'libiscsi support':  libiscsi}
3940summary_info += {'libnfs support':    libnfs}
3941if targetos == 'windows'
3942  if have_ga
3943    summary_info += {'QGA VSS support':   have_qga_vss}
3944  endif
3945endif
3946summary_info += {'seccomp support':   seccomp}
3947summary_info += {'GlusterFS support': glusterfs}
3948summary_info += {'TPM support':       have_tpm}
3949summary_info += {'libssh support':    libssh}
3950summary_info += {'lzo support':       lzo}
3951summary_info += {'snappy support':    snappy}
3952summary_info += {'bzip2 support':     libbzip2}
3953summary_info += {'lzfse support':     liblzfse}
3954summary_info += {'zstd support':      zstd}
3955summary_info += {'NUMA host support': numa}
3956summary_info += {'capstone':          capstone_opt == 'internal' ? capstone_opt : capstone}
3957summary_info += {'libpmem support':   libpmem}
3958summary_info += {'libdaxctl support': libdaxctl}
3959summary_info += {'libudev':           libudev}
3960# Dummy dependency, keep .found()
3961summary_info += {'FUSE lseek':        fuse_lseek.found()}
3962summary_info += {'selinux':           selinux}
3963summary(summary_info, bool_yn: true, section: 'Dependencies')
3964
3965if not supported_cpus.contains(cpu)
3966  message()
3967  warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3968  message()
3969  message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3970  message('The QEMU project intends to remove support for this host CPU in')
3971  message('a future release if nobody volunteers to maintain it and to')
3972  message('provide a build host for our continuous integration setup.')
3973  message('configure has succeeded and you can continue to build, but')
3974  message('if you care about QEMU on this platform you should contact')
3975  message('us upstream at qemu-devel@nongnu.org.')
3976endif
3977
3978if not supported_oses.contains(targetos)
3979  message()
3980  warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3981  message()
3982  message('Host OS ' + targetos + 'support is not currently maintained.')
3983  message('The QEMU project intends to remove support for this host OS in')
3984  message('a future release if nobody volunteers to maintain it and to')
3985  message('provide a build host for our continuous integration setup.')
3986  message('configure has succeeded and you can continue to build, but')
3987  message('if you care about QEMU on this platform you should contact')
3988  message('us upstream at qemu-devel@nongnu.org.')
3989endif
3990