xref: /openbmc/qemu/meson.build (revision 98b126f5)
1project('qemu', ['c'], meson_version: '>=0.63.0',
2        default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
3                          'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
4        version: files('VERSION'))
5
6add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true)
7add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
8add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
9
10meson.add_postconf_script(find_program('scripts/symlink-install-tree.py'))
11
12not_found = dependency('', required: false)
13keyval = import('keyval')
14ss = import('sourceset')
15fs = import('fs')
16
17targetos = host_machine.system()
18sh = find_program('sh')
19config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
20
21cc = meson.get_compiler('c')
22all_languages = ['c']
23if add_languages('cpp', required: false, native: false)
24  all_languages += ['cpp']
25  cxx = meson.get_compiler('cpp')
26endif
27if targetos == 'darwin' and \
28   add_languages('objc', required: get_option('cocoa'), native: false)
29  all_languages += ['objc']
30  objc = meson.get_compiler('objc')
31endif
32
33# Temporary directory used for files created while
34# configure runs. Since it is in the build directory
35# we can safely blow away any previous version of it
36# (and we need not jump through hoops to try to delete
37# it when configure exits.)
38tmpdir = meson.current_build_dir() / 'meson-private/temp'
39
40if get_option('qemu_suffix').startswith('/')
41  error('qemu_suffix cannot start with a /')
42endif
43
44qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
45qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
46qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
47qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
48
49qemu_desktopdir = get_option('datadir') / 'applications'
50qemu_icondir = get_option('datadir') / 'icons'
51
52config_host_data = configuration_data()
53genh = []
54qapi_trace_events = []
55
56bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
57supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
58supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
59  'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
60
61cpu = host_machine.cpu_family()
62
63# Unify riscv* to a single family.
64if cpu in ['riscv32', 'riscv64']
65  cpu = 'riscv'
66endif
67
68target_dirs = config_host['TARGET_DIRS'].split()
69have_linux_user = false
70have_bsd_user = false
71have_system = false
72foreach target : target_dirs
73  have_linux_user = have_linux_user or target.endswith('linux-user')
74  have_bsd_user = have_bsd_user or target.endswith('bsd-user')
75  have_system = have_system or target.endswith('-softmmu')
76endforeach
77have_user = have_linux_user or have_bsd_user
78have_tools = get_option('tools') \
79  .disable_auto_if(not have_system) \
80  .allowed()
81have_ga = get_option('guest_agent') \
82  .disable_auto_if(not have_system and not have_tools) \
83  .require(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
84           error_message: 'unsupported OS for QEMU guest agent') \
85  .allowed()
86enable_modules = get_option('modules') \
87  .require(targetos != 'windows',
88           error_message: 'Modules are not available for Windows') \
89  .require(not get_option('prefer_static'),
90           error_message: 'Modules are incompatible with static linking') \
91  .allowed()
92have_block = have_system or have_tools
93
94python = import('python').find_installation()
95
96if cpu not in supported_cpus
97  host_arch = 'unknown'
98elif cpu == 'x86'
99  host_arch = 'i386'
100elif cpu == 'mips64'
101  host_arch = 'mips'
102else
103  host_arch = cpu
104endif
105
106if cpu in ['x86', 'x86_64']
107  kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
108elif cpu == 'aarch64'
109  kvm_targets = ['aarch64-softmmu']
110elif cpu == 's390x'
111  kvm_targets = ['s390x-softmmu']
112elif cpu in ['ppc', 'ppc64']
113  kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
114elif cpu in ['mips', 'mips64']
115  kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
116elif cpu in ['riscv']
117  kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
118else
119  kvm_targets = []
120endif
121
122kvm_targets_c = '""'
123if get_option('kvm').allowed() and targetos == 'linux'
124  kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
125endif
126config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
127
128accelerator_targets = { 'CONFIG_KVM': kvm_targets }
129
130if cpu in ['aarch64']
131  accelerator_targets += {
132    'CONFIG_HVF': ['aarch64-softmmu']
133  }
134endif
135
136if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
137  # i386 emulator provides xenpv machine type for multiple architectures
138  accelerator_targets += {
139    'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
140  }
141endif
142if cpu in ['x86', 'x86_64']
143  accelerator_targets += {
144    'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
145    'CONFIG_HVF': ['x86_64-softmmu'],
146    'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
147    'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
148  }
149endif
150
151modular_tcg = []
152# Darwin does not support references to thread-local variables in modules
153if targetos != 'darwin'
154  modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
155endif
156
157edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
158unpack_edk2_blobs = false
159foreach target : edk2_targets
160  if target in target_dirs
161    bzip2 = find_program('bzip2', required: get_option('install_blobs'))
162    unpack_edk2_blobs = bzip2.found()
163    break
164  endif
165endforeach
166
167dtrace = not_found
168stap = not_found
169if 'dtrace' in get_option('trace_backends')
170  dtrace = find_program('dtrace', required: true)
171  stap = find_program('stap', required: false)
172  if stap.found()
173    # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
174    # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
175    # instead. QEMU --enable-modules depends on this because the SystemTap
176    # semaphores are linked into the main binary and not the module's shared
177    # object.
178    add_global_arguments('-DSTAP_SDT_V2',
179                         native: false, language: all_languages)
180  endif
181endif
182
183if get_option('iasl') == ''
184  iasl = find_program('iasl', required: false)
185else
186  iasl = find_program(get_option('iasl'), required: true)
187endif
188
189##################
190# Compiler flags #
191##################
192
193foreach lang : all_languages
194  compiler = meson.get_compiler(lang)
195  if compiler.get_id() == 'gcc' and compiler.version().version_compare('>=7.4')
196    # ok
197  elif compiler.get_id() == 'clang' and compiler.compiles('''
198      #ifdef __apple_build_version__
199      # if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0)
200      #  error You need at least XCode Clang v12.0 to compile QEMU
201      # endif
202      #else
203      # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
204      #  error You need at least Clang v10.0 to compile QEMU
205      # endif
206      #endif''')
207    # ok
208  else
209    error('You either need GCC v7.4 or Clang v10.0 (or XCode Clang v12.0) to compile QEMU')
210  endif
211endforeach
212
213# default flags for all hosts
214# We use -fwrapv to tell the compiler that we require a C dialect where
215# left shift of signed integers is well defined and has the expected
216# 2s-complement style results. (Both clang and gcc agree that it
217# provides these semantics.)
218
219qemu_common_flags = [
220  '-D_GNU_SOURCE', '-D_FILE_OFFSET_BITS=64', '-D_LARGEFILE_SOURCE',
221  '-fno-strict-aliasing', '-fno-common', '-fwrapv' ]
222qemu_cflags = []
223qemu_ldflags = []
224
225if targetos == 'darwin'
226  # Disable attempts to use ObjectiveC features in os/object.h since they
227  # won't work when we're compiling with gcc as a C compiler.
228  qemu_common_flags += '-DOS_OBJECT_USE_OBJC=0'
229elif targetos == 'solaris'
230  # needed for CMSG_ macros in sys/socket.h
231  qemu_common_flags += '-D_XOPEN_SOURCE=600'
232  # needed for TIOCWIN* defines in termios.h
233  qemu_common_flags += '-D__EXTENSIONS__'
234elif targetos == 'haiku'
235  qemu_common_flags += ['-DB_USE_POSITIVE_POSIX_ERRORS', '-D_BSD_SOURCE', '-fPIC']
236endif
237
238# __sync_fetch_and_and requires at least -march=i486. Many toolchains
239# use i686 as default anyway, but for those that don't, an explicit
240# specification is necessary
241if host_arch == 'i386' and not cc.links('''
242  static int sfaa(int *ptr)
243  {
244    return __sync_fetch_and_and(ptr, 0);
245  }
246
247  int main(void)
248  {
249    int val = 42;
250    val = __sync_val_compare_and_swap(&val, 0, 1);
251    sfaa(&val);
252    return val;
253  }''')
254  qemu_common_flags = ['-march=i486'] + qemu_common_flags
255endif
256
257if get_option('gprof')
258  qemu_common_flags += ['-p']
259  qemu_ldflags += ['-p']
260endif
261
262if get_option('prefer_static')
263  qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
264endif
265
266# Meson currently only handles pie as a boolean for now, so if the user
267# has explicitly disabled PIE we need to extend our cflags.
268#
269# -no-pie is supposedly a linker flag that has no effect on the compiler
270# command line, but some distros, that didn't quite know what they were
271# doing, made local changes to gcc's specs file that turned it into
272# a compiler command-line flag.
273#
274# What about linker flags?  For a static build, no PIE is implied by -static
275# which we added above (and if it's not because of the same specs patching,
276# there's nothing we can do: compilation will fail, report a bug to your
277# distro and do not use --disable-pie in the meanwhile).  For dynamic linking,
278# instead, we can't add -no-pie because it overrides -shared: the linker then
279# tries to build an executable instead of a shared library and fails.  So
280# don't add -no-pie anywhere and cross fingers. :(
281if not get_option('b_pie')
282  qemu_common_flags += cc.get_supported_arguments('-fno-pie', '-no-pie')
283endif
284
285if not get_option('stack_protector').disabled()
286  stack_protector_probe = '''
287    int main(int argc, char *argv[])
288    {
289      char arr[64], *p = arr, *c = argv[argc - 1];
290      while (*c) {
291          *p++ = *c++;
292      }
293      return 0;
294    }'''
295  have_stack_protector = false
296  foreach arg : ['-fstack-protector-strong', '-fstack-protector-all']
297    # We need to check both a compile and a link, since some compiler
298    # setups fail only on a .c->.o compile and some only at link time
299    if cc.compiles(stack_protector_probe, args: ['-Werror', arg]) and \
300       cc.links(stack_protector_probe, args: ['-Werror', arg])
301      have_stack_protector = true
302      qemu_cflags += arg
303      qemu_ldflags += arg
304      break
305    endif
306  endforeach
307  get_option('stack_protector') \
308    .require(have_stack_protector, error_message: 'Stack protector not supported')
309endif
310
311coroutine_backend = get_option('coroutine_backend')
312ucontext_probe = '''
313  #include <ucontext.h>
314  #ifdef __stub_makecontext
315  #error Ignoring glibc stub makecontext which will always fail
316  #endif
317  int main(void) { makecontext(0, 0, 0); return 0; }'''
318
319# On Windows the only valid backend is the Windows specific one.
320# For POSIX prefer ucontext, but it's not always possible. The fallback
321# is sigcontext.
322supported_backends = []
323if targetos == 'windows'
324  supported_backends += ['windows']
325else
326  if targetos != 'darwin' and cc.links(ucontext_probe)
327    supported_backends += ['ucontext']
328  endif
329  supported_backends += ['sigaltstack']
330endif
331
332if coroutine_backend == 'auto'
333  coroutine_backend = supported_backends[0]
334elif coroutine_backend not in supported_backends
335  error('"@0@" backend requested but not available.  Available backends: @1@' \
336        .format(coroutine_backend, ', '.join(supported_backends)))
337endif
338
339# Compiles if SafeStack *not* enabled
340safe_stack_probe = '''
341  int main(void)
342  {
343  #if defined(__has_feature)
344  #if __has_feature(safe_stack)
345  #error SafeStack Enabled
346  #endif
347  #endif
348      return 0;
349  }'''
350if get_option('safe_stack') != not cc.compiles(safe_stack_probe)
351  safe_stack_arg = get_option('safe_stack') ? '-fsanitize=safe-stack' : '-fno-sanitize=safe-stack'
352  if get_option('safe_stack') != not cc.compiles(safe_stack_probe, args: safe_stack_arg)
353    error(get_option('safe_stack') \
354          ? 'SafeStack not supported by your compiler' \
355          : 'Cannot disable SafeStack')
356  endif
357  qemu_cflags += safe_stack_arg
358  qemu_ldflags += safe_stack_arg
359endif
360if get_option('safe_stack') and coroutine_backend != 'ucontext'
361  error('SafeStack is only supported with the ucontext coroutine backend')
362endif
363
364if get_option('sanitizers')
365  if cc.has_argument('-fsanitize=address')
366    qemu_cflags = ['-fsanitize=address'] + qemu_cflags
367    qemu_ldflags = ['-fsanitize=address'] + qemu_ldflags
368  endif
369
370  # Detect static linking issue with ubsan - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
371  if cc.links('int main(int argc, char **argv) { return argc + 1; }',
372              args: [qemu_ldflags, '-fsanitize=undefined'])
373    qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags
374    qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags
375  endif
376endif
377
378# Thread sanitizer is, for now, much noisier than the other sanitizers;
379# keep it separate until that is not the case.
380if get_option('tsan')
381  if get_option('sanitizers')
382    error('TSAN is not supported with other sanitizers')
383  endif
384  if not cc.has_function('__tsan_create_fiber',
385                         args: '-fsanitize=thread',
386                         prefix: '#include <sanitizer/tsan_interface.h>')
387    error('Cannot enable TSAN due to missing fiber annotation interface')
388  endif
389  qemu_cflags = ['-fsanitize=thread'] + qemu_cflags
390  qemu_ldflags = ['-fsanitize=thread'] + qemu_ldflags
391endif
392
393# Detect support for PT_GNU_RELRO + DT_BIND_NOW.
394# The combination is known as "full relro", because .got.plt is read-only too.
395qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
396
397if targetos == 'windows'
398  qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
399  qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
400endif
401
402# Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
403if targetos != 'sunos' and not get_option('tsan')
404  qemu_ldflags += cc.get_supported_link_arguments('-Wl,--warn-common')
405endif
406
407if get_option('fuzzing')
408  # Specify a filter to only instrument code that is directly related to
409  # virtual-devices.
410  configure_file(output: 'instrumentation-filter',
411                 input: 'scripts/oss-fuzz/instrumentation-filter-template',
412                 copy: true)
413
414  if cc.compiles('int main () { return 0; }',
415                  name: '-fsanitize-coverage-allowlist=/dev/null',
416                 args: ['-fsanitize-coverage-allowlist=/dev/null',
417                        '-fsanitize-coverage=trace-pc'] )
418    qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter']
419  endif
420
421  if get_option('fuzzing_engine') == ''
422    # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
423    # compiled code.  To build non-fuzzer binaries with --enable-fuzzing, link
424    # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
425    # unable to bind the fuzzer-related callbacks added by instrumentation.
426    qemu_common_flags += ['-fsanitize=fuzzer-no-link']
427    qemu_ldflags += ['-fsanitize=fuzzer-no-link']
428    # For the actual fuzzer binaries, we need to link against the libfuzzer
429    # library. They need to be configurable, to support OSS-Fuzz
430    fuzz_exe_ldflags = ['-fsanitize=fuzzer']
431  else
432    # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
433    # the needed CFLAGS have already been provided
434    fuzz_exe_ldflags = get_option('fuzzing_engine').split()
435  endif
436endif
437
438add_global_arguments(qemu_common_flags, native: false, language: all_languages)
439add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
440
441# Collect warnings that we want to enable
442
443warn_flags = [
444  '-Wundef',
445  '-Wwrite-strings',
446  '-Wmissing-prototypes',
447  '-Wstrict-prototypes',
448  '-Wredundant-decls',
449  '-Wold-style-declaration',
450  '-Wold-style-definition',
451  '-Wtype-limits',
452  '-Wformat-security',
453  '-Wformat-y2k',
454  '-Winit-self',
455  '-Wignored-qualifiers',
456  '-Wempty-body',
457  '-Wnested-externs',
458  '-Wendif-labels',
459  '-Wexpansion-to-defined',
460  '-Wimplicit-fallthrough=2',
461  '-Wmissing-format-attribute',
462  '-Wno-initializer-overrides',
463  '-Wno-missing-include-dirs',
464  '-Wno-shift-negative-value',
465  '-Wno-string-plus-int',
466  '-Wno-typedef-redefinition',
467  '-Wno-tautological-type-limit-compare',
468  '-Wno-psabi',
469  '-Wno-gnu-variable-sized-type-not-at-end',
470]
471
472if targetos != 'darwin'
473  warn_flags += ['-Wthread-safety']
474endif
475
476# Check that the C++ compiler exists and works with the C compiler.
477link_language = 'c'
478linker = cc
479qemu_cxxflags = []
480if 'cpp' in all_languages
481  qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
482  if cxx.links(files('scripts/main.c'), args: qemu_cflags)
483    link_language = 'cpp'
484    linker = cxx
485  else
486    message('C++ compiler does not work with C compiler')
487    message('Disabling C++-specific optional code')
488  endif
489endif
490
491# clang does not support glibc + FORTIFY_SOURCE (is it still true?)
492if get_option('optimization') != '0' and targetos == 'linux'
493  if cc.get_id() == 'gcc'
494    qemu_cflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
495  endif
496  if 'cpp' in all_languages and cxx.get_id() == 'gcc'
497    qemu_cxxflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
498  endif
499endif
500
501add_project_arguments(qemu_cflags, native: false, language: 'c')
502add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
503if 'cpp' in all_languages
504  add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
505  add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
506endif
507if 'objc' in all_languages
508  # Note sanitizer flags are not applied to Objective-C sources!
509  add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
510endif
511if targetos == 'linux'
512  add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
513                        '-isystem', 'linux-headers',
514                        language: all_languages)
515endif
516
517add_project_arguments('-iquote', '.',
518                      '-iquote', meson.current_source_dir(),
519                      '-iquote', meson.current_source_dir() / 'include',
520                      language: all_languages)
521
522# If a host-specific include directory exists, list that first...
523host_include = meson.current_source_dir() / 'host/include/'
524if fs.is_dir(host_include / host_arch)
525  add_project_arguments('-iquote', host_include / host_arch,
526                        language: all_languages)
527endif
528# ... followed by the generic fallback.
529add_project_arguments('-iquote', host_include / 'generic',
530                      language: all_languages)
531
532sparse = find_program('cgcc', required: get_option('sparse'))
533if sparse.found()
534  run_target('sparse',
535             command: [find_program('scripts/check_sparse.py'),
536                       'compile_commands.json', sparse.full_path(), '-Wbitwise',
537                       '-Wno-transparent-union', '-Wno-old-initializer',
538                       '-Wno-non-pointer-null'])
539endif
540
541###########################################
542# Target-specific checks and dependencies #
543###########################################
544
545# Fuzzing
546if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
547    not cc.links('''
548          #include <stdint.h>
549          #include <sys/types.h>
550          int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
551          int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
552        ''',
553        args: ['-Werror', '-fsanitize=fuzzer'])
554  error('Your compiler does not support -fsanitize=fuzzer')
555endif
556
557# Tracing backends
558if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
559  error('ftrace is supported only on Linux')
560endif
561if 'syslog' in get_option('trace_backends') and not cc.compiles('''
562    #include <syslog.h>
563    int main(void) {
564        openlog("qemu", LOG_PID, LOG_DAEMON);
565        syslog(LOG_INFO, "configure");
566        return 0;
567    }''')
568  error('syslog is not supported on this system')
569endif
570
571# Miscellaneous Linux-only features
572get_option('mpath') \
573  .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
574
575multiprocess_allowed = get_option('multiprocess') \
576  .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
577  .allowed()
578
579vfio_user_server_allowed = get_option('vfio_user_server') \
580  .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
581  .allowed()
582
583have_tpm = get_option('tpm') \
584  .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
585  .allowed()
586
587# vhost
588have_vhost_user = get_option('vhost_user') \
589  .disable_auto_if(targetos != 'linux') \
590  .require(targetos != 'windows',
591           error_message: 'vhost-user is not available on Windows').allowed()
592have_vhost_vdpa = get_option('vhost_vdpa') \
593  .require(targetos == 'linux',
594           error_message: 'vhost-vdpa is only available on Linux').allowed()
595have_vhost_kernel = get_option('vhost_kernel') \
596  .require(targetos == 'linux',
597           error_message: 'vhost-kernel is only available on Linux').allowed()
598have_vhost_user_crypto = get_option('vhost_crypto') \
599  .require(have_vhost_user,
600           error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
601
602have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
603
604have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
605have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
606have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
607have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
608
609# Target-specific libraries and flags
610libm = cc.find_library('m', required: false)
611threads = dependency('threads')
612util = cc.find_library('util', required: false)
613winmm = []
614socket = []
615version_res = []
616coref = []
617iokit = []
618emulator_link_args = []
619nvmm =not_found
620hvf = not_found
621midl = not_found
622widl = not_found
623pathcch = not_found
624host_dsosuf = '.so'
625if targetos == 'windows'
626  midl = find_program('midl', required: false)
627  widl = find_program('widl', required: false)
628  pathcch = cc.find_library('pathcch')
629  socket = cc.find_library('ws2_32')
630  winmm = cc.find_library('winmm')
631
632  win = import('windows')
633  version_res = win.compile_resources('version.rc',
634                                      depend_files: files('pc-bios/qemu-nsis.ico'),
635                                      include_directories: include_directories('.'))
636  host_dsosuf = '.dll'
637elif targetos == 'darwin'
638  coref = dependency('appleframeworks', modules: 'CoreFoundation')
639  iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
640  host_dsosuf = '.dylib'
641elif targetos == 'sunos'
642  socket = [cc.find_library('socket'),
643            cc.find_library('nsl'),
644            cc.find_library('resolv')]
645elif targetos == 'haiku'
646  socket = [cc.find_library('posix_error_mapper'),
647            cc.find_library('network'),
648            cc.find_library('bsd')]
649elif targetos == 'openbsd'
650  if get_option('tcg').allowed() and target_dirs.length() > 0
651    # Disable OpenBSD W^X if available
652    emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
653  endif
654endif
655
656# Target-specific configuration of accelerators
657accelerators = []
658if get_option('kvm').allowed() and targetos == 'linux'
659  accelerators += 'CONFIG_KVM'
660endif
661if get_option('whpx').allowed() and targetos == 'windows'
662  if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
663    error('WHPX requires 64-bit host')
664  elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
665       cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
666    accelerators += 'CONFIG_WHPX'
667  endif
668endif
669if get_option('hvf').allowed()
670  hvf = dependency('appleframeworks', modules: 'Hypervisor',
671                   required: get_option('hvf'))
672  if hvf.found()
673    accelerators += 'CONFIG_HVF'
674  endif
675endif
676if get_option('hax').allowed()
677  if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
678    accelerators += 'CONFIG_HAX'
679  endif
680endif
681if targetos == 'netbsd'
682  nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
683  if nvmm.found()
684    accelerators += 'CONFIG_NVMM'
685  endif
686endif
687
688tcg_arch = host_arch
689if get_option('tcg').allowed()
690  if host_arch == 'unknown'
691    if get_option('tcg_interpreter')
692      warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
693    else
694      error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
695    endif
696  elif get_option('tcg_interpreter')
697    warning('Use of the TCG interpreter is not recommended on this host')
698    warning('architecture. There is a native TCG execution backend available')
699    warning('which provides substantially better performance and reliability.')
700    warning('It is strongly recommended to remove the --enable-tcg-interpreter')
701    warning('configuration option on this architecture to use the native')
702    warning('backend.')
703  endif
704  if get_option('tcg_interpreter')
705    tcg_arch = 'tci'
706    config_host += { 'CONFIG_TCG_INTERPRETER': 'y' }
707  elif host_arch == 'x86_64'
708    tcg_arch = 'i386'
709  elif host_arch == 'ppc64'
710    tcg_arch = 'ppc'
711  endif
712  add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
713                        language: all_languages)
714
715  accelerators += 'CONFIG_TCG'
716  config_host += { 'CONFIG_TCG': 'y' }
717endif
718
719if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
720  error('KVM not available on this platform')
721endif
722if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
723  error('HVF not available on this platform')
724endif
725if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
726  error('NVMM not available on this platform')
727endif
728if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
729  error('WHPX not available on this platform')
730endif
731
732################
733# Dependencies #
734################
735
736# When bumping glib minimum version, please check also whether to increase
737# the _WIN32_WINNT setting in osdep.h according to the value from glib
738glib_req_ver = '>=2.56.0'
739glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
740                    method: 'pkg-config')
741glib_cflags = []
742if enable_modules
743  gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
744                       method: 'pkg-config')
745elif config_host.has_key('CONFIG_PLUGIN')
746  gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
747                       method: 'pkg-config')
748else
749  gmodule = not_found
750endif
751
752# This workaround is required due to a bug in pkg-config file for glib as it
753# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
754if targetos == 'windows' and get_option('prefer_static')
755  glib_cflags += ['-DGLIB_STATIC_COMPILATION']
756endif
757
758# Sanity check that the current size_t matches the
759# size that glib thinks it should be. This catches
760# problems on multi-arch where people try to build
761# 32-bit QEMU while pointing at 64-bit glib headers
762
763if not cc.compiles('''
764  #include <glib.h>
765  #include <unistd.h>
766
767  #define QEMU_BUILD_BUG_ON(x) \
768  typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
769
770  int main(void) {
771     QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
772     return 0;
773  }''', dependencies: glib_pc, args: glib_cflags)
774  error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
775        You probably need to set PKG_CONFIG_LIBDIR" to point
776        to the right pkg-config files for your build target.''')
777endif
778
779# Silence clang warnings triggered by glib < 2.57.2
780if not cc.compiles('''
781  #include <glib.h>
782  typedef struct Foo {
783    int i;
784  } Foo;
785  static void foo_free(Foo *f)
786  {
787    g_free(f);
788  }
789  G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
790  int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
791  glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
792endif
793glib = declare_dependency(dependencies: [glib_pc, gmodule],
794                          compile_args: glib_cflags,
795                          version: glib_pc.version())
796
797# Check whether glib has gslice, which we have to avoid for correctness.
798# TODO: remove this check and the corresponding workaround (qtree) when
799# the minimum supported glib is >= 2.75.3
800glib_has_gslice = glib.version().version_compare('<2.75.3')
801
802# override glib dep to include the above refinements
803meson.override_dependency('glib-2.0', glib)
804
805# The path to glib.h is added to all compilation commands.
806add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
807                         native: false, language: all_languages)
808
809gio = not_found
810gdbus_codegen = not_found
811gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
812if not get_option('gio').auto() or have_system
813  gio = dependency('gio-2.0', required: get_option('gio'),
814                   method: 'pkg-config')
815  if gio.found() and not cc.links('''
816    #include <gio/gio.h>
817    int main(void)
818    {
819      g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
820      return 0;
821    }''', dependencies: [glib, gio])
822    if get_option('gio').enabled()
823      error('The installed libgio is broken for static linking')
824    endif
825    gio = not_found
826  endif
827  if gio.found()
828    gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
829                                 required: get_option('gio'))
830    gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
831                          method: 'pkg-config')
832    gio = declare_dependency(dependencies: [gio, gio_unix],
833                             version: gio.version())
834  endif
835endif
836if gdbus_codegen.found() and get_option('cfi')
837  gdbus_codegen = not_found
838  gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
839endif
840
841lttng = not_found
842if 'ust' in get_option('trace_backends')
843  lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
844                     method: 'pkg-config')
845endif
846pixman = not_found
847if have_system or have_tools
848  pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
849                      method: 'pkg-config')
850endif
851zlib = dependency('zlib', required: true)
852
853libaio = not_found
854if not get_option('linux_aio').auto() or have_block
855  libaio = cc.find_library('aio', has_headers: ['libaio.h'],
856                           required: get_option('linux_aio'))
857endif
858
859linux_io_uring_test = '''
860  #include <liburing.h>
861  #include <linux/errqueue.h>
862
863  int main(void) { return 0; }'''
864
865linux_io_uring = not_found
866if not get_option('linux_io_uring').auto() or have_block
867  linux_io_uring = dependency('liburing', version: '>=0.3',
868                              required: get_option('linux_io_uring'),
869                              method: 'pkg-config')
870  if not cc.links(linux_io_uring_test)
871    linux_io_uring = not_found
872  endif
873endif
874
875libnfs = not_found
876if not get_option('libnfs').auto() or have_block
877  libnfs = dependency('libnfs', version: '>=1.9.3',
878                      required: get_option('libnfs'),
879                      method: 'pkg-config')
880endif
881
882libattr_test = '''
883  #include <stddef.h>
884  #include <sys/types.h>
885  #ifdef CONFIG_LIBATTR
886  #include <attr/xattr.h>
887  #else
888  #include <sys/xattr.h>
889  #endif
890  int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
891
892libattr = not_found
893have_old_libattr = false
894if get_option('attr').allowed()
895  if cc.links(libattr_test)
896    libattr = declare_dependency()
897  else
898    libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
899                              required: get_option('attr'))
900    if libattr.found() and not \
901      cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
902      libattr = not_found
903      if get_option('attr').enabled()
904        error('could not link libattr')
905      else
906        warning('could not link libattr, disabling')
907      endif
908    else
909      have_old_libattr = libattr.found()
910    endif
911  endif
912endif
913
914cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
915                   required: get_option('cocoa'))
916
917vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
918if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
919                                              'VMNET_BRIDGED_MODE',
920                                              dependencies: vmnet)
921  vmnet = not_found
922  if get_option('vmnet').enabled()
923    error('vmnet.framework API is outdated')
924  else
925    warning('vmnet.framework API is outdated, disabling')
926  endif
927endif
928
929seccomp = not_found
930seccomp_has_sysrawrc = false
931if not get_option('seccomp').auto() or have_system or have_tools
932  seccomp = dependency('libseccomp', version: '>=2.3.0',
933                       required: get_option('seccomp'),
934                       method: 'pkg-config')
935  if seccomp.found()
936    seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
937                                                'SCMP_FLTATR_API_SYSRAWRC',
938                                                dependencies: seccomp)
939  endif
940endif
941
942libcap_ng = not_found
943if not get_option('cap_ng').auto() or have_system or have_tools
944  libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
945                              required: get_option('cap_ng'))
946endif
947if libcap_ng.found() and not cc.links('''
948   #include <cap-ng.h>
949   int main(void)
950   {
951     capng_capability_to_name(CAPNG_EFFECTIVE);
952     return 0;
953   }''', dependencies: libcap_ng)
954  libcap_ng = not_found
955  if get_option('cap_ng').enabled()
956    error('could not link libcap-ng')
957  else
958    warning('could not link libcap-ng, disabling')
959  endif
960endif
961
962if get_option('xkbcommon').auto() and not have_system and not have_tools
963  xkbcommon = not_found
964else
965  xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
966                         method: 'pkg-config')
967endif
968
969slirp = not_found
970if not get_option('slirp').auto() or have_system
971  slirp = dependency('slirp', required: get_option('slirp'),
972                     method: 'pkg-config')
973  # slirp < 4.7 is incompatible with CFI support in QEMU.  This is because
974  # it passes function pointers within libslirp as callbacks for timers.
975  # When using a system-wide shared libslirp, the type information for the
976  # callback is missing and the timer call produces a false positive with CFI.
977  # Do not use the "version" keyword argument to produce a better error.
978  # with control-flow integrity.
979  if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
980    if get_option('slirp').enabled()
981      error('Control-Flow Integrity requires libslirp 4.7.')
982    else
983      warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
984      slirp = not_found
985    endif
986  endif
987endif
988
989vde = not_found
990if not get_option('vde').auto() or have_system or have_tools
991  vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
992                           required: get_option('vde'))
993endif
994if vde.found() and not cc.links('''
995   #include <libvdeplug.h>
996   int main(void)
997   {
998     struct vde_open_args a = {0, 0, 0};
999     char s[] = "";
1000     vde_open(s, s, &a);
1001     return 0;
1002   }''', dependencies: vde)
1003  vde = not_found
1004  if get_option('cap_ng').enabled()
1005    error('could not link libvdeplug')
1006  else
1007    warning('could not link libvdeplug, disabling')
1008  endif
1009endif
1010
1011pulse = not_found
1012if not get_option('pa').auto() or (targetos == 'linux' and have_system)
1013  pulse = dependency('libpulse', required: get_option('pa'),
1014                     method: 'pkg-config')
1015endif
1016alsa = not_found
1017if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
1018  alsa = dependency('alsa', required: get_option('alsa'),
1019                    method: 'pkg-config')
1020endif
1021jack = not_found
1022if not get_option('jack').auto() or have_system
1023  jack = dependency('jack', required: get_option('jack'),
1024                    method: 'pkg-config')
1025endif
1026pipewire = not_found
1027if not get_option('pipewire').auto() or (targetos == 'linux' and have_system)
1028  pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1029                    required: get_option('pipewire'),
1030                    method: 'pkg-config')
1031endif
1032sndio = not_found
1033if not get_option('sndio').auto() or have_system
1034  sndio = dependency('sndio', required: get_option('sndio'),
1035                    method: 'pkg-config')
1036endif
1037
1038spice_protocol = not_found
1039if not get_option('spice_protocol').auto() or have_system
1040  spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1041                              required: get_option('spice_protocol'),
1042                              method: 'pkg-config')
1043endif
1044spice = not_found
1045if not get_option('spice').auto() or have_system
1046  spice = dependency('spice-server', version: '>=0.14.0',
1047                     required: get_option('spice'),
1048                     method: 'pkg-config')
1049endif
1050spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1051
1052rt = cc.find_library('rt', required: false)
1053
1054libiscsi = not_found
1055if not get_option('libiscsi').auto() or have_block
1056  libiscsi = dependency('libiscsi', version: '>=1.9.0',
1057                         required: get_option('libiscsi'),
1058                         method: 'pkg-config')
1059endif
1060zstd = not_found
1061if not get_option('zstd').auto() or have_block
1062  zstd = dependency('libzstd', version: '>=1.4.0',
1063                    required: get_option('zstd'),
1064                    method: 'pkg-config')
1065endif
1066virgl = not_found
1067
1068have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
1069if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1070  virgl = dependency('virglrenderer',
1071                     method: 'pkg-config',
1072                     required: get_option('virglrenderer'))
1073endif
1074blkio = not_found
1075if not get_option('blkio').auto() or have_block
1076  blkio = dependency('blkio',
1077                     method: 'pkg-config',
1078                     required: get_option('blkio'))
1079endif
1080curl = not_found
1081if not get_option('curl').auto() or have_block
1082  curl = dependency('libcurl', version: '>=7.29.0',
1083                    method: 'pkg-config',
1084                    required: get_option('curl'))
1085endif
1086libudev = not_found
1087if targetos == 'linux' and (have_system or have_tools)
1088  libudev = dependency('libudev',
1089                       method: 'pkg-config',
1090                       required: get_option('libudev'))
1091endif
1092
1093mpathlibs = [libudev]
1094mpathpersist = not_found
1095mpathpersist_new_api = false
1096if targetos == 'linux' and have_tools and get_option('mpath').allowed()
1097  mpath_test_source_new = '''
1098    #include <libudev.h>
1099    #include <mpath_persist.h>
1100    unsigned mpath_mx_alloc_len = 1024;
1101    int logsink;
1102    static struct config *multipath_conf;
1103    extern struct udev *udev;
1104    extern struct config *get_multipath_config(void);
1105    extern void put_multipath_config(struct config *conf);
1106    struct udev *udev;
1107    struct config *get_multipath_config(void) { return multipath_conf; }
1108    void put_multipath_config(struct config *conf) { }
1109    int main(void) {
1110        udev = udev_new();
1111        multipath_conf = mpath_lib_init();
1112        return 0;
1113    }'''
1114  mpath_test_source_old = '''
1115      #include <libudev.h>
1116      #include <mpath_persist.h>
1117      unsigned mpath_mx_alloc_len = 1024;
1118      int logsink;
1119      int main(void) {
1120          struct udev *udev = udev_new();
1121          mpath_lib_init(udev);
1122          return 0;
1123      }'''
1124  libmpathpersist = cc.find_library('mpathpersist',
1125                                    required: get_option('mpath'))
1126  if libmpathpersist.found()
1127    mpathlibs += libmpathpersist
1128    if get_option('prefer_static')
1129      mpathlibs += cc.find_library('devmapper',
1130                                     required: get_option('mpath'))
1131    endif
1132    mpathlibs += cc.find_library('multipath',
1133                                 required: get_option('mpath'))
1134    foreach lib: mpathlibs
1135      if not lib.found()
1136        mpathlibs = []
1137        break
1138      endif
1139    endforeach
1140    if mpathlibs.length() == 0
1141      msg = 'Dependencies missing for libmpathpersist'
1142    elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
1143      mpathpersist = declare_dependency(dependencies: mpathlibs)
1144      mpathpersist_new_api = true
1145    elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
1146      mpathpersist = declare_dependency(dependencies: mpathlibs)
1147    else
1148      msg = 'Cannot detect libmpathpersist API'
1149    endif
1150    if not mpathpersist.found()
1151      if get_option('mpath').enabled()
1152        error(msg)
1153      else
1154        warning(msg + ', disabling')
1155      endif
1156    endif
1157  endif
1158endif
1159
1160iconv = not_found
1161curses = not_found
1162if have_system and get_option('curses').allowed()
1163  curses_test = '''
1164    #if defined(__APPLE__) || defined(__OpenBSD__)
1165    #define _XOPEN_SOURCE_EXTENDED 1
1166    #endif
1167    #include <locale.h>
1168    #include <curses.h>
1169    #include <wchar.h>
1170    int main(void) {
1171      wchar_t wch = L'w';
1172      setlocale(LC_ALL, "");
1173      resize_term(0, 0);
1174      addwstr(L"wide chars\n");
1175      addnwstr(&wch, 1);
1176      add_wch(WACS_DEGREE);
1177      return 0;
1178    }'''
1179
1180  curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1181  curses = dependency(curses_dep_list,
1182                      required: false,
1183                      method: 'pkg-config')
1184  msg = get_option('curses').enabled() ? 'curses library not found' : ''
1185  curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1186  if curses.found()
1187    if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1188      curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1189                                  version: curses.version())
1190    else
1191      msg = 'curses package not usable'
1192      curses = not_found
1193    endif
1194  endif
1195  if not curses.found()
1196    has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1197    if targetos != 'windows' and not has_curses_h
1198      message('Trying with /usr/include/ncursesw')
1199      curses_compile_args += ['-I/usr/include/ncursesw']
1200      has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1201    endif
1202    if has_curses_h
1203      curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1204      foreach curses_libname : curses_libname_list
1205        libcurses = cc.find_library(curses_libname,
1206                                    required: false)
1207        if libcurses.found()
1208          if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1209            curses = declare_dependency(compile_args: curses_compile_args,
1210                                        dependencies: [libcurses])
1211            break
1212          else
1213            msg = 'curses library not usable'
1214          endif
1215        endif
1216      endforeach
1217    endif
1218  endif
1219  if get_option('iconv').allowed()
1220    foreach link_args : [ ['-liconv'], [] ]
1221      # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1222      # We need to use libiconv if available because mixing libiconv's headers with
1223      # the system libc does not work.
1224      # However, without adding glib to the dependencies -L/usr/local/lib will not be
1225      # included in the command line and libiconv will not be found.
1226      if cc.links('''
1227        #include <iconv.h>
1228        int main(void) {
1229          iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1230          return conv != (iconv_t) -1;
1231        }''', args: link_args, dependencies: glib)
1232        iconv = declare_dependency(link_args: link_args, dependencies: glib)
1233        break
1234      endif
1235    endforeach
1236  endif
1237  if curses.found() and not iconv.found()
1238    if get_option('iconv').enabled()
1239      error('iconv not available')
1240    endif
1241    msg = 'iconv required for curses UI but not available'
1242    curses = not_found
1243  endif
1244  if not curses.found() and msg != ''
1245    if get_option('curses').enabled()
1246      error(msg)
1247    else
1248      warning(msg + ', disabling')
1249    endif
1250  endif
1251endif
1252
1253brlapi = not_found
1254if not get_option('brlapi').auto() or have_system
1255  brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1256                         required: get_option('brlapi'))
1257  if brlapi.found() and not cc.links('''
1258     #include <brlapi.h>
1259     #include <stddef.h>
1260     int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1261    brlapi = not_found
1262    if get_option('brlapi').enabled()
1263      error('could not link brlapi')
1264    else
1265      warning('could not link brlapi, disabling')
1266    endif
1267  endif
1268endif
1269
1270sdl = not_found
1271if not get_option('sdl').auto() or have_system
1272  sdl = dependency('sdl2', required: get_option('sdl'))
1273  sdl_image = not_found
1274endif
1275if sdl.found()
1276  # work around 2.0.8 bug
1277  sdl = declare_dependency(compile_args: '-Wno-undef',
1278                           dependencies: sdl,
1279                           version: sdl.version())
1280  sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1281                         method: 'pkg-config')
1282else
1283  if get_option('sdl_image').enabled()
1284    error('sdl-image required, but SDL was @0@'.format(
1285          get_option('sdl').disabled() ? 'disabled' : 'not found'))
1286  endif
1287  sdl_image = not_found
1288endif
1289
1290rbd = not_found
1291if not get_option('rbd').auto() or have_block
1292  librados = cc.find_library('rados', required: get_option('rbd'))
1293  librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1294                           required: get_option('rbd'))
1295  if librados.found() and librbd.found()
1296    if cc.links('''
1297      #include <stdio.h>
1298      #include <rbd/librbd.h>
1299      int main(void) {
1300        rados_t cluster;
1301        rados_create(&cluster, NULL);
1302        #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1303        #error
1304        #endif
1305        return 0;
1306      }''', dependencies: [librbd, librados])
1307      rbd = declare_dependency(dependencies: [librbd, librados])
1308    elif get_option('rbd').enabled()
1309      error('librbd >= 1.12.0 required')
1310    else
1311      warning('librbd >= 1.12.0 not found, disabling')
1312    endif
1313  endif
1314endif
1315
1316glusterfs = not_found
1317glusterfs_ftruncate_has_stat = false
1318glusterfs_iocb_has_stat = false
1319if not get_option('glusterfs').auto() or have_block
1320  glusterfs = dependency('glusterfs-api', version: '>=3',
1321                         required: get_option('glusterfs'),
1322                         method: 'pkg-config')
1323  if glusterfs.found()
1324    glusterfs_ftruncate_has_stat = cc.links('''
1325      #include <glusterfs/api/glfs.h>
1326
1327      int
1328      main(void)
1329      {
1330          /* new glfs_ftruncate() passes two additional args */
1331          return glfs_ftruncate(NULL, 0, NULL, NULL);
1332      }
1333    ''', dependencies: glusterfs)
1334    glusterfs_iocb_has_stat = cc.links('''
1335      #include <glusterfs/api/glfs.h>
1336
1337      /* new glfs_io_cbk() passes two additional glfs_stat structs */
1338      static void
1339      glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1340      {}
1341
1342      int
1343      main(void)
1344      {
1345          glfs_io_cbk iocb = &glusterfs_iocb;
1346          iocb(NULL, 0 , NULL, NULL, NULL);
1347          return 0;
1348      }
1349    ''', dependencies: glusterfs)
1350  endif
1351endif
1352
1353libssh = not_found
1354if not get_option('libssh').auto() or have_block
1355  libssh = dependency('libssh', version: '>=0.8.7',
1356                    method: 'pkg-config',
1357                    required: get_option('libssh'))
1358endif
1359
1360libbzip2 = not_found
1361if not get_option('bzip2').auto() or have_block
1362  libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1363                             required: get_option('bzip2'))
1364  if libbzip2.found() and not cc.links('''
1365     #include <bzlib.h>
1366     int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1367    libbzip2 = not_found
1368    if get_option('bzip2').enabled()
1369      error('could not link libbzip2')
1370    else
1371      warning('could not link libbzip2, disabling')
1372    endif
1373  endif
1374endif
1375
1376liblzfse = not_found
1377if not get_option('lzfse').auto() or have_block
1378  liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1379                             required: get_option('lzfse'))
1380endif
1381if liblzfse.found() and not cc.links('''
1382   #include <lzfse.h>
1383   int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1384  liblzfse = not_found
1385  if get_option('lzfse').enabled()
1386    error('could not link liblzfse')
1387  else
1388    warning('could not link liblzfse, disabling')
1389  endif
1390endif
1391
1392oss = not_found
1393if get_option('oss').allowed() and have_system
1394  if not cc.has_header('sys/soundcard.h')
1395    # not found
1396  elif targetos == 'netbsd'
1397    oss = cc.find_library('ossaudio', required: get_option('oss'))
1398  else
1399    oss = declare_dependency()
1400  endif
1401
1402  if not oss.found()
1403    if get_option('oss').enabled()
1404      error('OSS not found')
1405    endif
1406  endif
1407endif
1408dsound = not_found
1409if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1410  if cc.has_header('dsound.h')
1411    dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1412  endif
1413
1414  if not dsound.found()
1415    if get_option('dsound').enabled()
1416      error('DirectSound not found')
1417    endif
1418  endif
1419endif
1420
1421coreaudio = not_found
1422if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1423  coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1424                         required: get_option('coreaudio'))
1425endif
1426
1427opengl = not_found
1428if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1429  epoxy = dependency('epoxy', method: 'pkg-config',
1430                      required: get_option('opengl'))
1431  if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1432    opengl = epoxy
1433  elif get_option('opengl').enabled()
1434    error('epoxy/egl.h not found')
1435  endif
1436endif
1437gbm = not_found
1438if (have_system or have_tools) and (virgl.found() or opengl.found())
1439  gbm = dependency('gbm', method: 'pkg-config', required: false)
1440endif
1441have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1442
1443gnutls = not_found
1444gnutls_crypto = not_found
1445if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1446  # For general TLS support our min gnutls matches
1447  # that implied by our platform support matrix
1448  #
1449  # For the crypto backends, we look for a newer
1450  # gnutls:
1451  #
1452  #   Version 3.6.8  is needed to get XTS
1453  #   Version 3.6.13 is needed to get PBKDF
1454  #   Version 3.6.14 is needed to get HW accelerated XTS
1455  #
1456  # If newer enough gnutls isn't available, we can
1457  # still use a different crypto backend to satisfy
1458  # the platform support requirements
1459  gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1460                             method: 'pkg-config',
1461                             required: false)
1462  if gnutls_crypto.found()
1463    gnutls = gnutls_crypto
1464  else
1465    # Our min version if all we need is TLS
1466    gnutls = dependency('gnutls', version: '>=3.5.18',
1467                        method: 'pkg-config',
1468                        required: get_option('gnutls'))
1469  endif
1470endif
1471
1472# We prefer use of gnutls for crypto, unless the options
1473# explicitly asked for nettle or gcrypt.
1474#
1475# If gnutls isn't available for crypto, then we'll prefer
1476# gcrypt over nettle for performance reasons.
1477gcrypt = not_found
1478nettle = not_found
1479hogweed = not_found
1480xts = 'none'
1481
1482if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1483  error('Only one of gcrypt & nettle can be enabled')
1484endif
1485
1486# Explicit nettle/gcrypt request, so ignore gnutls for crypto
1487if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1488  gnutls_crypto = not_found
1489endif
1490
1491if not gnutls_crypto.found()
1492  if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1493    gcrypt = dependency('libgcrypt', version: '>=1.8',
1494                        method: 'config-tool',
1495                        required: get_option('gcrypt'))
1496    # Debian has removed -lgpg-error from libgcrypt-config
1497    # as it "spreads unnecessary dependencies" which in
1498    # turn breaks static builds...
1499    if gcrypt.found() and get_option('prefer_static')
1500      gcrypt = declare_dependency(dependencies:
1501        [gcrypt,
1502         cc.find_library('gpg-error', required: true)],
1503        version: gcrypt.version())
1504    endif
1505  endif
1506  if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1507    nettle = dependency('nettle', version: '>=3.4',
1508                        method: 'pkg-config',
1509                        required: get_option('nettle'))
1510    if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1511      xts = 'private'
1512    endif
1513  endif
1514endif
1515
1516gmp = dependency('gmp', required: false, method: 'pkg-config')
1517if nettle.found() and gmp.found()
1518  hogweed = dependency('hogweed', version: '>=3.4',
1519                       method: 'pkg-config',
1520                       required: get_option('nettle'))
1521endif
1522
1523
1524gtk = not_found
1525gtkx11 = not_found
1526vte = not_found
1527have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1528
1529if not get_option('gtk').auto() or have_system
1530  gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1531                   method: 'pkg-config',
1532                   required: get_option('gtk'))
1533  if gtk.found()
1534    gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1535                        method: 'pkg-config',
1536                        required: false)
1537    gtk = declare_dependency(dependencies: [gtk, gtkx11],
1538                             version: gtk.version())
1539
1540    if not get_option('vte').auto() or have_system
1541      vte = dependency('vte-2.91',
1542                       method: 'pkg-config',
1543                       required: get_option('vte'))
1544    endif
1545  elif have_gtk_clipboard
1546    error('GTK clipboard requested, but GTK not found')
1547  endif
1548endif
1549
1550x11 = not_found
1551if gtkx11.found()
1552  x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1553endif
1554png = not_found
1555if get_option('png').allowed() and have_system
1556   png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1557                    method: 'pkg-config')
1558endif
1559vnc = not_found
1560jpeg = not_found
1561sasl = not_found
1562if get_option('vnc').allowed() and have_system
1563  vnc = declare_dependency() # dummy dependency
1564  jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1565                    method: 'pkg-config')
1566  sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1567                         required: get_option('vnc_sasl'))
1568  if sasl.found()
1569    sasl = declare_dependency(dependencies: sasl,
1570                              compile_args: '-DSTRUCT_IOVEC_DEFINED')
1571  endif
1572endif
1573
1574pam = not_found
1575if not get_option('auth_pam').auto() or have_system
1576  pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1577                        required: get_option('auth_pam'))
1578endif
1579if pam.found() and not cc.links('''
1580   #include <stddef.h>
1581   #include <security/pam_appl.h>
1582   int main(void) {
1583     const char *service_name = "qemu";
1584     const char *user = "frank";
1585     const struct pam_conv pam_conv = { 0 };
1586     pam_handle_t *pamh = NULL;
1587     pam_start(service_name, user, &pam_conv, &pamh);
1588     return 0;
1589   }''', dependencies: pam)
1590  pam = not_found
1591  if get_option('auth_pam').enabled()
1592    error('could not link libpam')
1593  else
1594    warning('could not link libpam, disabling')
1595  endif
1596endif
1597
1598snappy = not_found
1599if not get_option('snappy').auto() or have_system
1600  snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1601                           required: get_option('snappy'))
1602endif
1603if snappy.found() and not linker.links('''
1604   #include <snappy-c.h>
1605   int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1606  snappy = not_found
1607  if get_option('snappy').enabled()
1608    error('could not link libsnappy')
1609  else
1610    warning('could not link libsnappy, disabling')
1611  endif
1612endif
1613
1614lzo = not_found
1615if not get_option('lzo').auto() or have_system
1616  lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1617                        required: get_option('lzo'))
1618endif
1619if lzo.found() and not cc.links('''
1620   #include <lzo/lzo1x.h>
1621   int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1622  lzo = not_found
1623  if get_option('lzo').enabled()
1624    error('could not link liblzo2')
1625  else
1626    warning('could not link liblzo2, disabling')
1627  endif
1628endif
1629
1630numa = not_found
1631if not get_option('numa').auto() or have_system or have_tools
1632  numa = cc.find_library('numa', has_headers: ['numa.h'],
1633                              required: get_option('numa'))
1634endif
1635if numa.found() and not cc.links('''
1636   #include <numa.h>
1637   int main(void) { return numa_available(); }
1638   ''', dependencies: numa)
1639  numa = not_found
1640  if get_option('numa').enabled()
1641    error('could not link numa')
1642  else
1643    warning('could not link numa, disabling')
1644  endif
1645endif
1646
1647rdma = not_found
1648if not get_option('rdma').auto() or have_system
1649  libumad = cc.find_library('ibumad', required: get_option('rdma'))
1650  rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1651                               required: get_option('rdma')),
1652               cc.find_library('ibverbs', required: get_option('rdma')),
1653               libumad]
1654  rdma = declare_dependency(dependencies: rdma_libs)
1655  foreach lib: rdma_libs
1656    if not lib.found()
1657      rdma = not_found
1658    endif
1659  endforeach
1660endif
1661
1662xen = not_found
1663if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1664  xencontrol = dependency('xencontrol', required: false,
1665                          method: 'pkg-config')
1666  if xencontrol.found()
1667    xen_pc = declare_dependency(version: xencontrol.version(),
1668      dependencies: [
1669        xencontrol,
1670        # disabler: true makes xen_pc.found() return false if any is not found
1671        dependency('xenstore', required: false,
1672                   method: 'pkg-config',
1673                   disabler: true),
1674        dependency('xenforeignmemory', required: false,
1675                   method: 'pkg-config',
1676                   disabler: true),
1677        dependency('xengnttab', required: false,
1678                   method: 'pkg-config',
1679                   disabler: true),
1680        dependency('xenevtchn', required: false,
1681                   method: 'pkg-config',
1682                   disabler: true),
1683        dependency('xendevicemodel', required: false,
1684                   method: 'pkg-config',
1685                   disabler: true),
1686        # optional, no "disabler: true"
1687        dependency('xentoolcore', required: false,
1688                   method: 'pkg-config')])
1689    if xen_pc.found()
1690      xen = xen_pc
1691    endif
1692  endif
1693  if not xen.found()
1694    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' ]
1695    xen_libs = {
1696      '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1697      '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1698      '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1699      '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1700      '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1701      '4.6.0': [ 'xenstore', 'xenctrl' ],
1702      '4.5.0': [ 'xenstore', 'xenctrl' ],
1703      '4.2.0': [ 'xenstore', 'xenctrl' ],
1704    }
1705    xen_deps = {}
1706    foreach ver: xen_tests
1707      # cache the various library tests to avoid polluting the logs
1708      xen_test_deps = []
1709      foreach l: xen_libs[ver]
1710        if l not in xen_deps
1711          xen_deps += { l: cc.find_library(l, required: false) }
1712        endif
1713        xen_test_deps += xen_deps[l]
1714      endforeach
1715
1716      # Use -D to pick just one of the test programs in scripts/xen-detect.c
1717      xen_version = ver.split('.')
1718      xen_ctrl_version = xen_version[0] + \
1719        ('0' + xen_version[1]).substring(-2) + \
1720        ('0' + xen_version[2]).substring(-2)
1721      if cc.links(files('scripts/xen-detect.c'),
1722                  args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1723                  dependencies: xen_test_deps)
1724        xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1725        break
1726      endif
1727    endforeach
1728  endif
1729  if xen.found()
1730    accelerators += 'CONFIG_XEN'
1731  elif get_option('xen').enabled()
1732    error('could not compile and link Xen test program')
1733  endif
1734endif
1735have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1736  .require(xen.found(),
1737           error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1738  .require(targetos == 'linux',
1739           error_message: 'Xen PCI passthrough not available on this platform') \
1740  .allowed()
1741
1742
1743cacard = not_found
1744if not get_option('smartcard').auto() or have_system
1745  cacard = dependency('libcacard', required: get_option('smartcard'),
1746                      version: '>=2.5.1', method: 'pkg-config')
1747endif
1748u2f = not_found
1749if have_system
1750  u2f = dependency('u2f-emu', required: get_option('u2f'),
1751                   method: 'pkg-config')
1752endif
1753canokey = not_found
1754if have_system
1755  canokey = dependency('canokey-qemu', required: get_option('canokey'),
1756                   method: 'pkg-config')
1757endif
1758usbredir = not_found
1759if not get_option('usb_redir').auto() or have_system
1760  usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1761                        version: '>=0.6', method: 'pkg-config')
1762endif
1763libusb = not_found
1764if not get_option('libusb').auto() or have_system
1765  libusb = dependency('libusb-1.0', required: get_option('libusb'),
1766                      version: '>=1.0.13', method: 'pkg-config')
1767endif
1768
1769libpmem = not_found
1770if not get_option('libpmem').auto() or have_system
1771  libpmem = dependency('libpmem', required: get_option('libpmem'),
1772                       method: 'pkg-config')
1773endif
1774libdaxctl = not_found
1775if not get_option('libdaxctl').auto() or have_system
1776  libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1777                         version: '>=57', method: 'pkg-config')
1778endif
1779tasn1 = not_found
1780if gnutls.found()
1781  tasn1 = dependency('libtasn1',
1782                     method: 'pkg-config')
1783endif
1784keyutils = dependency('libkeyutils', required: false,
1785                      method: 'pkg-config')
1786
1787has_gettid = cc.has_function('gettid')
1788
1789# libselinux
1790selinux = dependency('libselinux',
1791                     required: get_option('selinux'),
1792                     method: 'pkg-config')
1793
1794# Malloc tests
1795
1796malloc = []
1797if get_option('malloc') == 'system'
1798  has_malloc_trim = \
1799    get_option('malloc_trim').allowed() and \
1800    cc.links('''#include <malloc.h>
1801                int main(void) { malloc_trim(0); return 0; }''')
1802else
1803  has_malloc_trim = false
1804  malloc = cc.find_library(get_option('malloc'), required: true)
1805endif
1806if not has_malloc_trim and get_option('malloc_trim').enabled()
1807  if get_option('malloc') == 'system'
1808    error('malloc_trim not available on this platform.')
1809  else
1810    error('malloc_trim not available with non-libc memory allocator')
1811  endif
1812endif
1813
1814# Check whether the glibc provides statx()
1815
1816gnu_source_prefix = '''
1817  #ifndef _GNU_SOURCE
1818  #define _GNU_SOURCE
1819  #endif
1820'''
1821statx_test = gnu_source_prefix + '''
1822  #include <sys/stat.h>
1823  int main(void) {
1824    struct statx statxbuf;
1825    statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1826    return 0;
1827  }'''
1828
1829has_statx = cc.links(statx_test)
1830
1831# Check whether statx() provides mount ID information
1832
1833statx_mnt_id_test = gnu_source_prefix + '''
1834  #include <sys/stat.h>
1835  int main(void) {
1836    struct statx statxbuf;
1837    statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1838    return statxbuf.stx_mnt_id;
1839  }'''
1840
1841has_statx_mnt_id = cc.links(statx_mnt_id_test)
1842
1843have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1844  .require(targetos == 'linux',
1845           error_message: 'vhost_user_blk_server requires linux') \
1846  .require(have_vhost_user,
1847           error_message: 'vhost_user_blk_server requires vhost-user support') \
1848  .disable_auto_if(not have_tools and not have_system) \
1849  .allowed()
1850
1851if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1852  error('Cannot enable fuse-lseek while fuse is disabled')
1853endif
1854
1855fuse = dependency('fuse3', required: get_option('fuse'),
1856                  version: '>=3.1', method: 'pkg-config')
1857
1858fuse_lseek = not_found
1859if get_option('fuse_lseek').allowed()
1860  if fuse.version().version_compare('>=3.8')
1861    # Dummy dependency
1862    fuse_lseek = declare_dependency()
1863  elif get_option('fuse_lseek').enabled()
1864    if fuse.found()
1865      error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1866    else
1867      error('fuse-lseek requires libfuse, which was not found')
1868    endif
1869  endif
1870endif
1871
1872have_libvduse = (targetos == 'linux')
1873if get_option('libvduse').enabled()
1874    if targetos != 'linux'
1875        error('libvduse requires linux')
1876    endif
1877elif get_option('libvduse').disabled()
1878    have_libvduse = false
1879endif
1880
1881have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1882if get_option('vduse_blk_export').enabled()
1883    if targetos != 'linux'
1884        error('vduse_blk_export requires linux')
1885    elif not have_libvduse
1886        error('vduse_blk_export requires libvduse support')
1887    endif
1888elif get_option('vduse_blk_export').disabled()
1889    have_vduse_blk_export = false
1890endif
1891
1892# libbpf
1893libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1894if libbpf.found() and not cc.links('''
1895   #include <bpf/libbpf.h>
1896   int main(void)
1897   {
1898     bpf_object__destroy_skeleton(NULL);
1899     return 0;
1900   }''', dependencies: libbpf)
1901  libbpf = not_found
1902  if get_option('bpf').enabled()
1903    error('libbpf skeleton test failed')
1904  else
1905    warning('libbpf skeleton test failed, disabling')
1906  endif
1907endif
1908
1909# libdw
1910libdw = not_found
1911if not get_option('libdw').auto() or \
1912        (not get_option('prefer_static') and (have_system or have_user))
1913    libdw = dependency('libdw',
1914                       method: 'pkg-config',
1915                       required: get_option('libdw'))
1916endif
1917
1918#################
1919# config-host.h #
1920#################
1921
1922audio_drivers_selected = []
1923if have_system
1924  audio_drivers_available = {
1925    'alsa': alsa.found(),
1926    'coreaudio': coreaudio.found(),
1927    'dsound': dsound.found(),
1928    'jack': jack.found(),
1929    'oss': oss.found(),
1930    'pa': pulse.found(),
1931    'pipewire': pipewire.found(),
1932    'sdl': sdl.found(),
1933    'sndio': sndio.found(),
1934  }
1935  foreach k, v: audio_drivers_available
1936    config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1937  endforeach
1938
1939  # Default to native drivers first, OSS second, SDL third
1940  audio_drivers_priority = \
1941    [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1942    (targetos == 'linux' ? [] : [ 'sdl' ])
1943  audio_drivers_default = []
1944  foreach k: audio_drivers_priority
1945    if audio_drivers_available[k]
1946      audio_drivers_default += k
1947    endif
1948  endforeach
1949
1950  foreach k: get_option('audio_drv_list')
1951    if k == 'default'
1952      audio_drivers_selected += audio_drivers_default
1953    elif not audio_drivers_available[k]
1954      error('Audio driver "@0@" not available.'.format(k))
1955    else
1956      audio_drivers_selected += k
1957    endif
1958  endforeach
1959endif
1960config_host_data.set('CONFIG_AUDIO_DRIVERS',
1961                     '"' + '", "'.join(audio_drivers_selected) + '", ')
1962
1963if get_option('cfi')
1964  cfi_flags=[]
1965  # Check for dependency on LTO
1966  if not get_option('b_lto')
1967    error('Selected Control-Flow Integrity but LTO is disabled')
1968  endif
1969  if enable_modules
1970    error('Selected Control-Flow Integrity is not compatible with modules')
1971  endif
1972  # Check for cfi flags. CFI requires LTO so we can't use
1973  # get_supported_arguments, but need a more complex "compiles" which allows
1974  # custom arguments
1975  if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1976                 args: ['-flto', '-fsanitize=cfi-icall'] )
1977    cfi_flags += '-fsanitize=cfi-icall'
1978  else
1979    error('-fsanitize=cfi-icall is not supported by the compiler')
1980  endif
1981  if cc.compiles('int main () { return 0; }',
1982                 name: '-fsanitize-cfi-icall-generalize-pointers',
1983                 args: ['-flto', '-fsanitize=cfi-icall',
1984                        '-fsanitize-cfi-icall-generalize-pointers'] )
1985    cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1986  else
1987    error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1988  endif
1989  if get_option('cfi_debug')
1990    if cc.compiles('int main () { return 0; }',
1991                   name: '-fno-sanitize-trap=cfi-icall',
1992                   args: ['-flto', '-fsanitize=cfi-icall',
1993                          '-fno-sanitize-trap=cfi-icall'] )
1994      cfi_flags += '-fno-sanitize-trap=cfi-icall'
1995    else
1996      error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1997    endif
1998  endif
1999  add_global_arguments(cfi_flags, native: false, language: all_languages)
2000  add_global_link_arguments(cfi_flags, native: false, language: all_languages)
2001endif
2002
2003have_host_block_device = (targetos != 'darwin' or
2004    cc.has_header('IOKit/storage/IOMedia.h'))
2005
2006dbus_display = get_option('dbus_display') \
2007  .require(gio.version().version_compare('>=2.64'),
2008           error_message: '-display dbus requires glib>=2.64') \
2009  .require(gdbus_codegen.found(),
2010           error_message: gdbus_codegen_error.format('-display dbus')) \
2011  .require(targetos != 'windows',
2012           error_message: '-display dbus is not available on Windows') \
2013  .allowed()
2014
2015have_virtfs = get_option('virtfs') \
2016    .require(targetos == 'linux' or targetos == 'darwin',
2017             error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
2018    .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
2019             error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
2020    .require(targetos == 'darwin' or libattr.found(),
2021             error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
2022    .disable_auto_if(not have_tools and not have_system) \
2023    .allowed()
2024
2025have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2026    .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2027    .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2028    .disable_auto_if(not have_tools) \
2029    .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2030    .allowed()
2031
2032if get_option('block_drv_ro_whitelist') == ''
2033  config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2034else
2035  config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2036        '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2037endif
2038if get_option('block_drv_rw_whitelist') == ''
2039  config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2040else
2041  config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2042        '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2043endif
2044
2045foreach k : get_option('trace_backends')
2046  config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2047endforeach
2048config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2049config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2050if iasl.found()
2051  config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2052endif
2053config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2054config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2055config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2056config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2057config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2058
2059qemu_firmwarepath = ''
2060foreach k : get_option('qemu_firmwarepath')
2061  qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2062endforeach
2063config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2064
2065config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2066config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2067config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2068config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2069config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2070config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2071
2072if enable_modules
2073  config_host_data.set('CONFIG_STAMP', run_command(
2074      meson.current_source_dir() / 'scripts/qemu-stamp.py',
2075      meson.project_version(), get_option('pkgversion'), '--',
2076      meson.current_source_dir() / 'configure',
2077      capture: true, check: true).stdout().strip())
2078endif
2079
2080have_slirp_smbd = get_option('slirp_smbd') \
2081  .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2082  .allowed()
2083if have_slirp_smbd
2084  smbd_path = get_option('smbd')
2085  if smbd_path == ''
2086    smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2087  endif
2088  config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2089endif
2090
2091config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2092
2093if get_option('module_upgrades') and not enable_modules
2094  error('Cannot enable module-upgrades as modules are not enabled')
2095endif
2096config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2097
2098config_host_data.set('CONFIG_ATTR', libattr.found())
2099config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2100config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2101config_host_data.set('CONFIG_COCOA', cocoa.found())
2102config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2103config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2104config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2105config_host_data.set('CONFIG_LZO', lzo.found())
2106config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2107config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
2108config_host_data.set('CONFIG_BLKIO', blkio.found())
2109if blkio.found()
2110  config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2111                       blkio.version().version_compare('>=1.3.0'))
2112endif
2113config_host_data.set('CONFIG_CURL', curl.found())
2114config_host_data.set('CONFIG_CURSES', curses.found())
2115config_host_data.set('CONFIG_GBM', gbm.found())
2116config_host_data.set('CONFIG_GIO', gio.found())
2117config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2118if glusterfs.found()
2119  config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2120  config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2121  config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2122  config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2123  config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2124  config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2125endif
2126config_host_data.set('CONFIG_GTK', gtk.found())
2127config_host_data.set('CONFIG_VTE', vte.found())
2128config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2129config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2130config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2131config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2132config_host_data.set('CONFIG_EBPF', libbpf.found())
2133config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2134config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2135config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2136config_host_data.set('CONFIG_LIBSSH', libssh.found())
2137config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2138config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2139config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2140config_host_data.set('CONFIG_MODULES', enable_modules)
2141config_host_data.set('CONFIG_NUMA', numa.found())
2142if numa.found()
2143  config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2144                       cc.has_function('numa_has_preferred_many',
2145                                       dependencies: numa))
2146endif
2147config_host_data.set('CONFIG_OPENGL', opengl.found())
2148config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
2149config_host_data.set('CONFIG_RBD', rbd.found())
2150config_host_data.set('CONFIG_RDMA', rdma.found())
2151config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2152config_host_data.set('CONFIG_SDL', sdl.found())
2153config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2154config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2155if seccomp.found()
2156  config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2157endif
2158config_host_data.set('CONFIG_SNAPPY', snappy.found())
2159config_host_data.set('CONFIG_TPM', have_tpm)
2160config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2161config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2162config_host_data.set('CONFIG_VDE', vde.found())
2163config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2164config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2165config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2166config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2167config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2168config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2169config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2170config_host_data.set('CONFIG_VMNET', vmnet.found())
2171config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2172config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2173config_host_data.set('CONFIG_PNG', png.found())
2174config_host_data.set('CONFIG_VNC', vnc.found())
2175config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2176config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2177config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2178config_host_data.set('CONFIG_VTE', vte.found())
2179config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2180config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2181config_host_data.set('CONFIG_GETTID', has_gettid)
2182config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2183config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2184config_host_data.set('CONFIG_TASN1', tasn1.found())
2185config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2186config_host_data.set('CONFIG_NETTLE', nettle.found())
2187config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2188config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2189config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2190config_host_data.set('CONFIG_STATX', has_statx)
2191config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2192config_host_data.set('CONFIG_ZSTD', zstd.found())
2193config_host_data.set('CONFIG_FUSE', fuse.found())
2194config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2195config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2196if spice_protocol.found()
2197config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2198config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2199config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2200endif
2201config_host_data.set('CONFIG_SPICE', spice.found())
2202config_host_data.set('CONFIG_X11', x11.found())
2203config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2204config_host_data.set('CONFIG_CFI', get_option('cfi'))
2205config_host_data.set('CONFIG_SELINUX', selinux.found())
2206config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2207config_host_data.set('CONFIG_LIBDW', libdw.found())
2208if xen.found()
2209  # protect from xen.version() having less than three components
2210  xen_version = xen.version().split('.') + ['0', '0']
2211  xen_ctrl_version = xen_version[0] + \
2212    ('0' + xen_version[1]).substring(-2) + \
2213    ('0' + xen_version[2]).substring(-2)
2214  config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2215endif
2216config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2217config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2218config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2219config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2220
2221config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2222config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2223
2224have_coroutine_pool = get_option('coroutine_pool')
2225if get_option('debug_stack_usage') and have_coroutine_pool
2226  message('Disabling coroutine pool to measure stack usage')
2227  have_coroutine_pool = false
2228endif
2229config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2230config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2231config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2232config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2233config_host_data.set('CONFIG_GPROF', get_option('gprof'))
2234config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2235config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2236config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2237
2238# has_header
2239config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2240config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2241config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2242config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2243config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2244config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2245config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2246config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2247config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2248if targetos == 'windows'
2249  config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2250endif
2251
2252# has_function
2253config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2254config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2255config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2256config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2257config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2258config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2259# Note that we need to specify prefix: here to avoid incorrectly
2260# thinking that Windows has posix_memalign()
2261config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2262config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2263config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2264config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2265config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2266config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2267config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2268config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2269config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2270config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2271config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2272config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2273config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2274config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2275config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2276config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2277config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2278config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2279if rbd.found()
2280  config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2281                       cc.has_function('rbd_namespace_exists',
2282                                       dependencies: rbd,
2283                                       prefix: '#include <rbd/librbd.h>'))
2284endif
2285if rdma.found()
2286  config_host_data.set('HAVE_IBV_ADVISE_MR',
2287                       cc.has_function('ibv_advise_mr',
2288                                       dependencies: rdma,
2289                                       prefix: '#include <infiniband/verbs.h>'))
2290endif
2291
2292have_asan_fiber = false
2293if get_option('sanitizers') and \
2294   not cc.has_function('__sanitizer_start_switch_fiber',
2295                         args: '-fsanitize=address',
2296                         prefix: '#include <sanitizer/asan_interface.h>')
2297  warning('Missing ASAN due to missing fiber annotation interface')
2298  warning('Without code annotation, the report may be inferior.')
2299else
2300  have_asan_fiber = true
2301endif
2302config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2303
2304# has_header_symbol
2305config_host_data.set('CONFIG_BLKZONED',
2306                     cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2307config_host_data.set('CONFIG_EPOLL_CREATE1',
2308                     cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2309config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2310                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2311                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2312config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2313                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2314config_host_data.set('CONFIG_FIEMAP',
2315                     cc.has_header('linux/fiemap.h') and
2316                     cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2317config_host_data.set('CONFIG_GETRANDOM',
2318                     cc.has_function('getrandom') and
2319                     cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2320config_host_data.set('CONFIG_INOTIFY',
2321                     cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2322config_host_data.set('CONFIG_INOTIFY1',
2323                     cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2324config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2325                     cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2326config_host_data.set('CONFIG_RTNETLINK',
2327                     cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2328config_host_data.set('CONFIG_SYSMACROS',
2329                     cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2330config_host_data.set('HAVE_OPTRESET',
2331                     cc.has_header_symbol('getopt.h', 'optreset'))
2332config_host_data.set('HAVE_IPPROTO_MPTCP',
2333                     cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2334
2335# has_member
2336config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2337                     cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2338                                   prefix: '#include <signal.h>'))
2339config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2340                     cc.has_member('struct stat', 'st_atim',
2341                                   prefix: '#include <sys/stat.h>'))
2342config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2343                     cc.has_member('struct blk_zone', 'capacity',
2344                                   prefix: '#include <linux/blkzoned.h>'))
2345
2346# has_type
2347config_host_data.set('CONFIG_IOVEC',
2348                     cc.has_type('struct iovec',
2349                                 prefix: '#include <sys/uio.h>'))
2350config_host_data.set('HAVE_UTMPX',
2351                     cc.has_type('struct utmpx',
2352                                 prefix: '#include <utmpx.h>'))
2353
2354config_host_data.set('CONFIG_EVENTFD', cc.links('''
2355  #include <sys/eventfd.h>
2356  int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2357config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2358  #include <unistd.h>
2359  int main(void) {
2360  #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2361  return fdatasync(0);
2362  #else
2363  #error Not supported
2364  #endif
2365  }'''))
2366
2367has_madvise = cc.links(gnu_source_prefix + '''
2368  #include <sys/types.h>
2369  #include <sys/mman.h>
2370  #include <stddef.h>
2371  int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2372missing_madvise_proto = false
2373if has_madvise
2374  # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2375  # but forget to prototype it. In this case, has_madvise will be true (the
2376  # test program links despite a compile warning). To detect the
2377  # missing-prototype case, we try again with a definitely-bogus prototype.
2378  # This will only compile if the system headers don't provide the prototype;
2379  # otherwise the conflicting prototypes will cause a compiler error.
2380  missing_madvise_proto = cc.links(gnu_source_prefix + '''
2381    #include <sys/types.h>
2382    #include <sys/mman.h>
2383    #include <stddef.h>
2384    extern int madvise(int);
2385    int main(void) { return madvise(0); }''')
2386endif
2387config_host_data.set('CONFIG_MADVISE', has_madvise)
2388config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2389
2390config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2391  #include <sys/mman.h>
2392  int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2393config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2394  #include <fcntl.h>
2395  #if !defined(AT_EMPTY_PATH)
2396  # error missing definition
2397  #else
2398  int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2399  #endif'''))
2400config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2401  #include <sys/mman.h>
2402  #include <stddef.h>
2403  int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2404
2405config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2406  #include <pthread.h>
2407
2408  static void *f(void *p) { return NULL; }
2409  int main(void)
2410  {
2411    pthread_t thread;
2412    pthread_create(&thread, 0, f, 0);
2413    pthread_setname_np(thread, "QEMU");
2414    return 0;
2415  }''', dependencies: threads))
2416config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2417  #include <pthread.h>
2418
2419  static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2420  int main(void)
2421  {
2422    pthread_t thread;
2423    pthread_create(&thread, 0, f, 0);
2424    return 0;
2425  }''', dependencies: threads))
2426config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2427  #include <pthread.h>
2428  #include <pthread_np.h>
2429
2430  static void *f(void *p) { return NULL; }
2431  int main(void)
2432  {
2433    pthread_t thread;
2434    pthread_create(&thread, 0, f, 0);
2435    pthread_set_name_np(thread, "QEMU");
2436    return 0;
2437  }''', dependencies: threads))
2438config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2439  #include <pthread.h>
2440  #include <time.h>
2441
2442  int main(void)
2443  {
2444    pthread_condattr_t attr
2445    pthread_condattr_init(&attr);
2446    pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2447    return 0;
2448  }''', dependencies: threads))
2449config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2450  #include <pthread.h>
2451
2452  static void *f(void *p) { return NULL; }
2453  int main(void)
2454  {
2455    int setsize = CPU_ALLOC_SIZE(64);
2456    pthread_t thread;
2457    cpu_set_t *cpuset;
2458    pthread_create(&thread, 0, f, 0);
2459    cpuset = CPU_ALLOC(64);
2460    CPU_ZERO_S(setsize, cpuset);
2461    pthread_setaffinity_np(thread, setsize, cpuset);
2462    pthread_getaffinity_np(thread, setsize, cpuset);
2463    CPU_FREE(cpuset);
2464    return 0;
2465  }''', dependencies: threads))
2466config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2467  #include <sys/signalfd.h>
2468  #include <stddef.h>
2469  int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2470config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2471  #include <unistd.h>
2472  #include <fcntl.h>
2473  #include <limits.h>
2474
2475  int main(void)
2476  {
2477    int len, fd = 0;
2478    len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2479    splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2480    return 0;
2481  }'''))
2482
2483config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2484  #include <sys/mman.h>
2485  int main(void) {
2486    return mlockall(MCL_FUTURE);
2487  }'''))
2488
2489have_l2tpv3 = false
2490if get_option('l2tpv3').allowed() and have_system
2491  have_l2tpv3 = cc.has_type('struct mmsghdr',
2492    prefix: gnu_source_prefix + '''
2493      #include <sys/socket.h>
2494      #include <linux/ip.h>''')
2495endif
2496config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2497
2498have_netmap = false
2499if get_option('netmap').allowed() and have_system
2500  have_netmap = cc.compiles('''
2501    #include <inttypes.h>
2502    #include <net/if.h>
2503    #include <net/netmap.h>
2504    #include <net/netmap_user.h>
2505    #if (NETMAP_API < 11) || (NETMAP_API > 15)
2506    #error
2507    #endif
2508    int main(void) { return 0; }''')
2509  if not have_netmap and get_option('netmap').enabled()
2510    error('Netmap headers not available')
2511  endif
2512endif
2513config_host_data.set('CONFIG_NETMAP', have_netmap)
2514
2515# Work around a system header bug with some kernel/XFS header
2516# versions where they both try to define 'struct fsxattr':
2517# xfs headers will not try to redefine structs from linux headers
2518# if this macro is set.
2519config_host_data.set('HAVE_FSXATTR', cc.links('''
2520  #include <linux/fs.h>
2521  struct fsxattr foo;
2522  int main(void) {
2523    return 0;
2524  }'''))
2525
2526# Some versions of Mac OS X incorrectly define SIZE_MAX
2527config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2528    #include <stdint.h>
2529    #include <stdio.h>
2530    int main(void) {
2531        return printf("%zu", SIZE_MAX);
2532    }''', args: ['-Werror']))
2533
2534# See if 64-bit atomic operations are supported.
2535# Note that without __atomic builtins, we can only
2536# assume atomic loads/stores max at pointer size.
2537config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2538  #include <stdint.h>
2539  int main(void)
2540  {
2541    uint64_t x = 0, y = 0;
2542    y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2543    __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2544    __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2545    __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2546    __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2547    return 0;
2548  }'''))
2549
2550has_int128_type = cc.compiles('''
2551  __int128_t a;
2552  __uint128_t b;
2553  int main(void) { b = a; }''')
2554config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2555
2556has_int128 = has_int128_type and cc.links('''
2557  __int128_t a;
2558  __uint128_t b;
2559  int main (void) {
2560    a = a + b;
2561    b = a * b;
2562    a = a * a;
2563    return 0;
2564  }''')
2565config_host_data.set('CONFIG_INT128', has_int128)
2566
2567if has_int128_type
2568  # "do we have 128-bit atomics which are handled inline and specifically not
2569  # via libatomic". The reason we can't use libatomic is documented in the
2570  # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2571  # We only care about these operations on 16-byte aligned pointers, so
2572  # force 16-byte alignment of the pointer, which may be greater than
2573  # __alignof(unsigned __int128) for the host.
2574  atomic_test_128 = '''
2575    int main(int ac, char **av) {
2576      __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2577      p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2578      __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2579      __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2580      return 0;
2581    }'''
2582  has_atomic128 = cc.links(atomic_test_128)
2583
2584  config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2585
2586  if not has_atomic128
2587    # Even with __builtin_assume_aligned, the above test may have failed
2588    # without optimization enabled.  Try again with optimizations locally
2589    # enabled for the function.  See
2590    #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2591    has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2592    config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2593
2594    if not has_atomic128_opt
2595      config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2596        int main(void)
2597        {
2598          __uint128_t x = 0, y = 0;
2599          __sync_val_compare_and_swap_16(&x, y, x);
2600          return 0;
2601        }
2602      '''))
2603    endif
2604  endif
2605endif
2606
2607config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2608  #include <sys/auxv.h>
2609  int main(void) {
2610    return getauxval(AT_HWCAP) == 0;
2611  }'''))
2612
2613config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2614  #include <linux/usbdevice_fs.h>
2615
2616  #ifndef USBDEVFS_GET_CAPABILITIES
2617  #error "USBDEVFS_GET_CAPABILITIES undefined"
2618  #endif
2619
2620  #ifndef USBDEVFS_DISCONNECT_CLAIM
2621  #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2622  #endif
2623
2624  int main(void) { return 0; }'''))
2625
2626have_keyring = get_option('keyring') \
2627  .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2628  .require(cc.compiles('''
2629    #include <errno.h>
2630    #include <asm/unistd.h>
2631    #include <linux/keyctl.h>
2632    #include <sys/syscall.h>
2633    #include <unistd.h>
2634    int main(void) {
2635        return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2636    }'''), error_message: 'keyctl syscall not available on this system').allowed()
2637config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2638
2639have_cpuid_h = cc.links('''
2640  #include <cpuid.h>
2641  int main(void) {
2642    unsigned a, b, c, d;
2643    unsigned max = __get_cpuid_max(0, 0);
2644
2645    if (max >= 1) {
2646        __cpuid(1, a, b, c, d);
2647    }
2648
2649    if (max >= 7) {
2650        __cpuid_count(7, 0, a, b, c, d);
2651    }
2652
2653    return 0;
2654  }''')
2655config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2656
2657config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2658  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2659  .require(cc.links('''
2660    #include <cpuid.h>
2661    #include <immintrin.h>
2662    static int __attribute__((target("avx2"))) bar(void *a) {
2663      __m256i x = *(__m256i *)a;
2664      return _mm256_testz_si256(x, x);
2665    }
2666    int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2667  '''), error_message: 'AVX2 not available').allowed())
2668
2669config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2670  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2671  .require(cc.links('''
2672    #include <cpuid.h>
2673    #include <immintrin.h>
2674    static int __attribute__((target("avx512f"))) bar(void *a) {
2675      __m512i x = *(__m512i *)a;
2676      return _mm512_test_epi64_mask(x, x);
2677    }
2678    int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2679  '''), error_message: 'AVX512F not available').allowed())
2680
2681config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2682  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2683  .require(cc.links('''
2684    #include <cpuid.h>
2685    #include <immintrin.h>
2686    static int __attribute__((target("avx512bw"))) bar(void *a) {
2687      __m512i *x = a;
2688      __m512i res= _mm512_abs_epi8(*x);
2689      return res[1];
2690    }
2691    int main(int argc, char *argv[]) { return bar(argv[0]); }
2692  '''), error_message: 'AVX512BW not available').allowed())
2693
2694have_pvrdma = get_option('pvrdma') \
2695  .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2696  .require(cc.compiles(gnu_source_prefix + '''
2697    #include <sys/mman.h>
2698    int main(void)
2699    {
2700      char buf = 0;
2701      void *addr = &buf;
2702      addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2703
2704      return 0;
2705    }'''), error_message: 'PVRDMA requires mremap').allowed()
2706
2707if have_pvrdma
2708  config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2709    #include <infiniband/verbs.h>
2710    int main(void)
2711    {
2712      struct ibv_mr *mr;
2713      struct ibv_pd *pd = NULL;
2714      size_t length = 10;
2715      uint64_t iova = 0;
2716      int access = 0;
2717      void *addr = NULL;
2718
2719      mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2720      ibv_dereg_mr(mr);
2721      return 0;
2722    }'''))
2723endif
2724
2725if get_option('membarrier').disabled()
2726  have_membarrier = false
2727elif targetos == 'windows'
2728  have_membarrier = true
2729elif targetos == 'linux'
2730  have_membarrier = cc.compiles('''
2731    #include <linux/membarrier.h>
2732    #include <sys/syscall.h>
2733    #include <unistd.h>
2734    #include <stdlib.h>
2735    int main(void) {
2736        syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2737        syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2738        exit(0);
2739    }''')
2740endif
2741config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2742  .require(have_membarrier, error_message: 'membarrier system call not available') \
2743  .allowed())
2744
2745have_afalg = get_option('crypto_afalg') \
2746  .require(cc.compiles(gnu_source_prefix + '''
2747    #include <errno.h>
2748    #include <sys/types.h>
2749    #include <sys/socket.h>
2750    #include <linux/if_alg.h>
2751    int main(void) {
2752      int sock;
2753      sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2754      return sock;
2755    }
2756  '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2757config_host_data.set('CONFIG_AF_ALG', have_afalg)
2758
2759config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2760  'linux/vm_sockets.h', 'AF_VSOCK',
2761  prefix: '#include <sys/socket.h>',
2762))
2763
2764have_vss = false
2765have_vss_sdk = false # old xp/2003 SDK
2766if targetos == 'windows' and link_language == 'cpp'
2767  have_vss = cxx.compiles('''
2768    #define __MIDL_user_allocate_free_DEFINED__
2769    #include <vss.h>
2770    int main(void) { return VSS_CTX_BACKUP; }''')
2771  have_vss_sdk = cxx.has_header('vscoordint.h')
2772endif
2773config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2774
2775foreach k, v: config_host
2776  if k.startswith('CONFIG_')
2777    config_host_data.set(k, v == 'y' ? 1 : v)
2778  endif
2779endforeach
2780
2781# Older versions of MinGW do not import _lock_file and _unlock_file properly.
2782# This was fixed for v6.0.0 with commit b48e3ac8969d.
2783if targetos == 'windows'
2784  config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2785    #include <stdio.h>
2786    int main(void) {
2787      _lock_file(NULL);
2788      _unlock_file(NULL);
2789      return 0;
2790    }''', name: '_lock_file and _unlock_file'))
2791endif
2792
2793if targetos == 'windows'
2794  mingw_has_setjmp_longjmp = cc.links('''
2795    #include <setjmp.h>
2796    int main(void) {
2797      /*
2798       * These functions are not available in setjmp header, but may be
2799       * available at link time, from libmingwex.a.
2800       */
2801      extern int __mingw_setjmp(jmp_buf);
2802      extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2803      jmp_buf env;
2804      __mingw_setjmp(env);
2805      __mingw_longjmp(env, 0);
2806    }
2807  ''', name: 'mingw setjmp and longjmp')
2808
2809  if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2810    error('mingw must provide setjmp/longjmp for windows-arm64')
2811  endif
2812endif
2813
2814########################
2815# Target configuration #
2816########################
2817
2818minikconf = find_program('scripts/minikconf.py')
2819config_all = {}
2820config_all_devices = {}
2821config_all_disas = {}
2822config_devices_mak_list = []
2823config_devices_h = {}
2824config_target_h = {}
2825config_target_mak = {}
2826
2827disassemblers = {
2828  'alpha' : ['CONFIG_ALPHA_DIS'],
2829  'avr' : ['CONFIG_AVR_DIS'],
2830  'cris' : ['CONFIG_CRIS_DIS'],
2831  'hexagon' : ['CONFIG_HEXAGON_DIS'],
2832  'hppa' : ['CONFIG_HPPA_DIS'],
2833  'i386' : ['CONFIG_I386_DIS'],
2834  'x86_64' : ['CONFIG_I386_DIS'],
2835  'm68k' : ['CONFIG_M68K_DIS'],
2836  'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2837  'mips' : ['CONFIG_MIPS_DIS'],
2838  'nios2' : ['CONFIG_NIOS2_DIS'],
2839  'or1k' : ['CONFIG_OPENRISC_DIS'],
2840  'ppc' : ['CONFIG_PPC_DIS'],
2841  'riscv' : ['CONFIG_RISCV_DIS'],
2842  'rx' : ['CONFIG_RX_DIS'],
2843  's390' : ['CONFIG_S390_DIS'],
2844  'sh4' : ['CONFIG_SH4_DIS'],
2845  'sparc' : ['CONFIG_SPARC_DIS'],
2846  'xtensa' : ['CONFIG_XTENSA_DIS'],
2847  'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2848}
2849
2850have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2851host_kconfig = \
2852  (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2853  (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2854  (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2855  (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2856  (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2857  (x11.found() ? ['CONFIG_X11=y'] : []) + \
2858  (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2859  (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2860  (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2861  (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2862  ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2863  (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2864  (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2865  (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2866
2867ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2868
2869default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2870actual_target_dirs = []
2871fdt_required = []
2872foreach target : target_dirs
2873  config_target = { 'TARGET_NAME': target.split('-')[0] }
2874  if target.endswith('linux-user')
2875    if targetos != 'linux'
2876      if default_targets
2877        continue
2878      endif
2879      error('Target @0@ is only available on a Linux host'.format(target))
2880    endif
2881    config_target += { 'CONFIG_LINUX_USER': 'y' }
2882  elif target.endswith('bsd-user')
2883    if 'CONFIG_BSD' not in config_host
2884      if default_targets
2885        continue
2886      endif
2887      error('Target @0@ is only available on a BSD host'.format(target))
2888    endif
2889    config_target += { 'CONFIG_BSD_USER': 'y' }
2890  elif target.endswith('softmmu')
2891    config_target += { 'CONFIG_SOFTMMU': 'y' }
2892  endif
2893  if target.endswith('-user')
2894    config_target += {
2895      'CONFIG_USER_ONLY': 'y',
2896      'CONFIG_QEMU_INTERP_PREFIX':
2897        get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2898    }
2899  endif
2900
2901  accel_kconfig = []
2902  foreach sym: accelerators
2903    if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2904      config_target += { sym: 'y' }
2905      config_all += { sym: 'y' }
2906      if target in modular_tcg
2907        config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2908      else
2909        config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2910      endif
2911      accel_kconfig += [ sym + '=y' ]
2912    endif
2913  endforeach
2914  if accel_kconfig.length() == 0
2915    if default_targets
2916      continue
2917    endif
2918    error('No accelerator available for target @0@'.format(target))
2919  endif
2920
2921  actual_target_dirs += target
2922  config_target += keyval.load('configs/targets' / target + '.mak')
2923  config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2924
2925  if 'TARGET_NEED_FDT' in config_target
2926    fdt_required += target
2927  endif
2928
2929  # Add default keys
2930  if 'TARGET_BASE_ARCH' not in config_target
2931    config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2932  endif
2933  if 'TARGET_ABI_DIR' not in config_target
2934    config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2935  endif
2936  if 'TARGET_BIG_ENDIAN' not in config_target
2937    config_target += {'TARGET_BIG_ENDIAN': 'n'}
2938  endif
2939
2940  foreach k, v: disassemblers
2941    if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2942      foreach sym: v
2943        config_target += { sym: 'y' }
2944        config_all_disas += { sym: 'y' }
2945      endforeach
2946    endif
2947  endforeach
2948
2949  config_target_data = configuration_data()
2950  foreach k, v: config_target
2951    if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2952      # do nothing
2953    elif ignored.contains(k)
2954      # do nothing
2955    elif k == 'TARGET_BASE_ARCH'
2956      # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2957      # not used to select files from sourcesets.
2958      config_target_data.set('TARGET_' + v.to_upper(), 1)
2959    elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2960      config_target_data.set_quoted(k, v)
2961    elif v == 'y'
2962      config_target_data.set(k, 1)
2963    elif v == 'n'
2964      config_target_data.set(k, 0)
2965    else
2966      config_target_data.set(k, v)
2967    endif
2968  endforeach
2969  config_target_data.set('QEMU_ARCH',
2970                         'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2971  config_target_h += {target: configure_file(output: target + '-config-target.h',
2972                                               configuration: config_target_data)}
2973
2974  if target.endswith('-softmmu')
2975    config_input = meson.get_external_property(target, 'default')
2976    config_devices_mak = target + '-config-devices.mak'
2977    config_devices_mak = configure_file(
2978      input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2979      output: config_devices_mak,
2980      depfile: config_devices_mak + '.d',
2981      capture: true,
2982      command: [minikconf,
2983                get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2984                config_devices_mak, '@DEPFILE@', '@INPUT@',
2985                host_kconfig, accel_kconfig,
2986                'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2987
2988    config_devices_data = configuration_data()
2989    config_devices = keyval.load(config_devices_mak)
2990    foreach k, v: config_devices
2991      config_devices_data.set(k, 1)
2992    endforeach
2993    config_devices_mak_list += config_devices_mak
2994    config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2995                                                configuration: config_devices_data)}
2996    config_target += config_devices
2997    config_all_devices += config_devices
2998  endif
2999  config_target_mak += {target: config_target}
3000endforeach
3001target_dirs = actual_target_dirs
3002
3003# This configuration is used to build files that are shared by
3004# multiple binaries, and then extracted out of the "common"
3005# static_library target.
3006#
3007# We do not use all_sources()/all_dependencies(), because it would
3008# build literally all source files, including devices only used by
3009# targets that are not built for this compilation.  The CONFIG_ALL
3010# pseudo symbol replaces it.
3011
3012config_all += config_all_devices
3013config_all += config_host
3014config_all += config_all_disas
3015config_all += {
3016  'CONFIG_XEN': xen.found(),
3017  'CONFIG_SOFTMMU': have_system,
3018  'CONFIG_USER_ONLY': have_user,
3019  'CONFIG_ALL': true,
3020}
3021
3022target_configs_h = []
3023foreach target: target_dirs
3024  target_configs_h += config_target_h[target]
3025  target_configs_h += config_devices_h.get(target, [])
3026endforeach
3027genh += custom_target('config-poison.h',
3028                      input: [target_configs_h],
3029                      output: 'config-poison.h',
3030                      capture: true,
3031                      command: [find_program('scripts/make-config-poison.sh'),
3032                                target_configs_h])
3033
3034##############
3035# Submodules #
3036##############
3037
3038capstone = not_found
3039if not get_option('capstone').auto() or have_system or have_user
3040  capstone = dependency('capstone', version: '>=3.0.5',
3041                        method: 'pkg-config',
3042                        required: get_option('capstone'))
3043
3044  # Some versions of capstone have broken pkg-config file
3045  # that reports a wrong -I path, causing the #include to
3046  # fail later. If the system has such a broken version
3047  # do not use it.
3048  if capstone.found() and not cc.compiles('#include <capstone.h>',
3049                                          dependencies: [capstone])
3050    capstone = not_found
3051    if get_option('capstone').enabled()
3052      error('capstone requested, but it does not appear to work')
3053    endif
3054  endif
3055endif
3056
3057libvfio_user_dep = not_found
3058if have_system and vfio_user_server_allowed
3059  have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
3060
3061  if not have_internal
3062    error('libvfio-user source not found - please pull git submodule')
3063  endif
3064
3065  libvfio_user_proj = subproject('libvfio-user')
3066
3067  libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3068endif
3069
3070fdt = not_found
3071fdt_opt = get_option('fdt')
3072if fdt_required.length() > 0 or fdt_opt == 'enabled'
3073  if fdt_opt == 'disabled'
3074    error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3075  endif
3076
3077  if fdt_opt in ['enabled', 'auto', 'system']
3078    fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3079    if fdt.found() and cc.links('''
3080       #include <libfdt.h>
3081       #include <libfdt_env.h>
3082       int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3083         dependencies: fdt)
3084      fdt_opt = 'system'
3085    elif fdt_opt == 'system'
3086       error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3087    else
3088      fdt_opt = 'internal'
3089      fdt = not_found
3090    endif
3091  endif
3092  if not fdt.found()
3093    assert(fdt_opt == 'internal')
3094    have_internal = fs.exists(meson.current_source_dir() / 'subprojects/dtc/meson.build')
3095
3096    if not have_internal
3097      error('libfdt source not found - please pull git submodule')
3098    endif
3099
3100    libfdt_proj = subproject('dtc', required: true,
3101                             default_options: ['tools=false',  'yaml=disabled',
3102                                               'python=disabled', 'default_library=static'])
3103    fdt = libfdt_proj.get_variable('libfdt_dep')
3104  endif
3105else
3106  fdt_opt = 'disabled'
3107endif
3108
3109config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3110config_host_data.set('CONFIG_FDT', fdt.found())
3111config_host_data.set('CONFIG_SLIRP', slirp.found())
3112
3113#####################
3114# Generated sources #
3115#####################
3116
3117genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3118
3119hxtool = find_program('scripts/hxtool')
3120shaderinclude = find_program('scripts/shaderinclude.py')
3121qapi_gen = find_program('scripts/qapi-gen.py')
3122qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3123                     meson.current_source_dir() / 'scripts/qapi/commands.py',
3124                     meson.current_source_dir() / 'scripts/qapi/common.py',
3125                     meson.current_source_dir() / 'scripts/qapi/error.py',
3126                     meson.current_source_dir() / 'scripts/qapi/events.py',
3127                     meson.current_source_dir() / 'scripts/qapi/expr.py',
3128                     meson.current_source_dir() / 'scripts/qapi/gen.py',
3129                     meson.current_source_dir() / 'scripts/qapi/introspect.py',
3130                     meson.current_source_dir() / 'scripts/qapi/main.py',
3131                     meson.current_source_dir() / 'scripts/qapi/parser.py',
3132                     meson.current_source_dir() / 'scripts/qapi/schema.py',
3133                     meson.current_source_dir() / 'scripts/qapi/source.py',
3134                     meson.current_source_dir() / 'scripts/qapi/types.py',
3135                     meson.current_source_dir() / 'scripts/qapi/visit.py',
3136                     meson.current_source_dir() / 'scripts/qapi-gen.py'
3137]
3138
3139tracetool = [
3140  python, files('scripts/tracetool.py'),
3141   '--backend=' + ','.join(get_option('trace_backends'))
3142]
3143tracetool_depends = files(
3144  'scripts/tracetool/backend/log.py',
3145  'scripts/tracetool/backend/__init__.py',
3146  'scripts/tracetool/backend/dtrace.py',
3147  'scripts/tracetool/backend/ftrace.py',
3148  'scripts/tracetool/backend/simple.py',
3149  'scripts/tracetool/backend/syslog.py',
3150  'scripts/tracetool/backend/ust.py',
3151  'scripts/tracetool/format/ust_events_c.py',
3152  'scripts/tracetool/format/ust_events_h.py',
3153  'scripts/tracetool/format/__init__.py',
3154  'scripts/tracetool/format/d.py',
3155  'scripts/tracetool/format/simpletrace_stap.py',
3156  'scripts/tracetool/format/c.py',
3157  'scripts/tracetool/format/h.py',
3158  'scripts/tracetool/format/log_stap.py',
3159  'scripts/tracetool/format/stap.py',
3160  'scripts/tracetool/__init__.py',
3161  'scripts/tracetool/vcpu.py'
3162)
3163
3164qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3165                    meson.current_source_dir(),
3166                    get_option('pkgversion'), meson.project_version()]
3167qemu_version = custom_target('qemu-version.h',
3168                             output: 'qemu-version.h',
3169                             command: qemu_version_cmd,
3170                             capture: true,
3171                             build_by_default: true,
3172                             build_always_stale: true)
3173genh += qemu_version
3174
3175hxdep = []
3176hx_headers = [
3177  ['qemu-options.hx', 'qemu-options.def'],
3178  ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3179]
3180if have_system
3181  hx_headers += [
3182    ['hmp-commands.hx', 'hmp-commands.h'],
3183    ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3184  ]
3185endif
3186foreach d : hx_headers
3187  hxdep += custom_target(d[1],
3188                input: files(d[0]),
3189                output: d[1],
3190                capture: true,
3191                build_by_default: true, # to be removed when added to a target
3192                command: [hxtool, '-h', '@INPUT0@'])
3193endforeach
3194genh += hxdep
3195
3196###################
3197# Collect sources #
3198###################
3199
3200authz_ss = ss.source_set()
3201blockdev_ss = ss.source_set()
3202block_ss = ss.source_set()
3203chardev_ss = ss.source_set()
3204common_ss = ss.source_set()
3205crypto_ss = ss.source_set()
3206hwcore_ss = ss.source_set()
3207io_ss = ss.source_set()
3208qmp_ss = ss.source_set()
3209qom_ss = ss.source_set()
3210softmmu_ss = ss.source_set()
3211specific_fuzz_ss = ss.source_set()
3212specific_ss = ss.source_set()
3213stub_ss = ss.source_set()
3214trace_ss = ss.source_set()
3215user_ss = ss.source_set()
3216util_ss = ss.source_set()
3217
3218# accel modules
3219qtest_module_ss = ss.source_set()
3220tcg_module_ss = ss.source_set()
3221
3222modules = {}
3223target_modules = {}
3224hw_arch = {}
3225target_arch = {}
3226target_softmmu_arch = {}
3227target_user_arch = {}
3228
3229###############
3230# Trace files #
3231###############
3232
3233# TODO: add each directory to the subdirs from its own meson.build, once
3234# we have those
3235trace_events_subdirs = [
3236  'crypto',
3237  'qapi',
3238  'qom',
3239  'monitor',
3240  'util',
3241  'gdbstub',
3242]
3243if have_linux_user
3244  trace_events_subdirs += [ 'linux-user' ]
3245endif
3246if have_bsd_user
3247  trace_events_subdirs += [ 'bsd-user' ]
3248endif
3249if have_block
3250  trace_events_subdirs += [
3251    'authz',
3252    'block',
3253    'io',
3254    'nbd',
3255    'scsi',
3256  ]
3257endif
3258if have_system
3259  trace_events_subdirs += [
3260    'accel/kvm',
3261    'audio',
3262    'backends',
3263    'backends/tpm',
3264    'chardev',
3265    'ebpf',
3266    'hw/9pfs',
3267    'hw/acpi',
3268    'hw/adc',
3269    'hw/alpha',
3270    'hw/arm',
3271    'hw/audio',
3272    'hw/block',
3273    'hw/block/dataplane',
3274    'hw/char',
3275    'hw/display',
3276    'hw/dma',
3277    'hw/hyperv',
3278    'hw/i2c',
3279    'hw/i386',
3280    'hw/i386/xen',
3281    'hw/i386/kvm',
3282    'hw/ide',
3283    'hw/input',
3284    'hw/intc',
3285    'hw/isa',
3286    'hw/mem',
3287    'hw/mips',
3288    'hw/misc',
3289    'hw/misc/macio',
3290    'hw/net',
3291    'hw/net/can',
3292    'hw/nubus',
3293    'hw/nvme',
3294    'hw/nvram',
3295    'hw/pci',
3296    'hw/pci-host',
3297    'hw/ppc',
3298    'hw/rdma',
3299    'hw/rdma/vmw',
3300    'hw/rtc',
3301    'hw/s390x',
3302    'hw/scsi',
3303    'hw/sd',
3304    'hw/sh4',
3305    'hw/sparc',
3306    'hw/sparc64',
3307    'hw/ssi',
3308    'hw/timer',
3309    'hw/tpm',
3310    'hw/usb',
3311    'hw/vfio',
3312    'hw/virtio',
3313    'hw/watchdog',
3314    'hw/xen',
3315    'hw/gpio',
3316    'migration',
3317    'net',
3318    'softmmu',
3319    'ui',
3320    'hw/remote',
3321  ]
3322endif
3323if have_system or have_user
3324  trace_events_subdirs += [
3325    'accel/tcg',
3326    'hw/core',
3327    'target/arm',
3328    'target/arm/hvf',
3329    'target/hppa',
3330    'target/i386',
3331    'target/i386/kvm',
3332    'target/mips/tcg',
3333    'target/nios2',
3334    'target/ppc',
3335    'target/riscv',
3336    'target/s390x',
3337    'target/s390x/kvm',
3338    'target/sparc',
3339  ]
3340endif
3341
3342vhost_user = not_found
3343if targetos == 'linux' and have_vhost_user
3344  libvhost_user = subproject('libvhost-user')
3345  vhost_user = libvhost_user.get_variable('vhost_user_dep')
3346endif
3347
3348libvduse = not_found
3349if have_libvduse
3350  libvduse_proj = subproject('libvduse')
3351  libvduse = libvduse_proj.get_variable('libvduse_dep')
3352endif
3353
3354# NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3355# that is filled in by qapi/.
3356subdir('qapi')
3357subdir('qobject')
3358subdir('stubs')
3359subdir('trace')
3360subdir('util')
3361subdir('qom')
3362subdir('authz')
3363subdir('crypto')
3364subdir('ui')
3365subdir('hw')
3366subdir('gdbstub')
3367
3368if enable_modules
3369  libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3370  modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3371endif
3372
3373qom_ss = qom_ss.apply(config_host, strict: false)
3374libqom = static_library('qom', qom_ss.sources() + genh,
3375                        dependencies: [qom_ss.dependencies()],
3376                        name_suffix: 'fa')
3377qom = declare_dependency(link_whole: libqom)
3378
3379event_loop_base = files('event-loop-base.c')
3380event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3381                                 build_by_default: true)
3382event_loop_base = declare_dependency(link_whole: event_loop_base,
3383                                     dependencies: [qom])
3384
3385stub_ss = stub_ss.apply(config_all, strict: false)
3386
3387util_ss.add_all(trace_ss)
3388util_ss = util_ss.apply(config_all, strict: false)
3389libqemuutil = static_library('qemuutil',
3390                             sources: util_ss.sources() + stub_ss.sources() + genh,
3391                             dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3392qemuutil = declare_dependency(link_with: libqemuutil,
3393                              sources: genh + version_res,
3394                              dependencies: [event_loop_base])
3395
3396if have_system or have_user
3397  decodetree = generator(find_program('scripts/decodetree.py'),
3398                         output: 'decode-@BASENAME@.c.inc',
3399                         arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3400  subdir('libdecnumber')
3401  subdir('target')
3402endif
3403
3404subdir('audio')
3405subdir('io')
3406subdir('chardev')
3407subdir('fsdev')
3408subdir('dump')
3409
3410if have_block
3411  block_ss.add(files(
3412    'block.c',
3413    'blockjob.c',
3414    'job.c',
3415    'qemu-io-cmds.c',
3416  ))
3417  if config_host_data.get('CONFIG_REPLICATION')
3418    block_ss.add(files('replication.c'))
3419  endif
3420
3421  subdir('nbd')
3422  subdir('scsi')
3423  subdir('block')
3424
3425  blockdev_ss.add(files(
3426    'blockdev.c',
3427    'blockdev-nbd.c',
3428    'iothread.c',
3429    'job-qmp.c',
3430  ), gnutls)
3431
3432  # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3433  # os-win32.c does not
3434  blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3435  softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3436endif
3437
3438common_ss.add(files('cpus-common.c'))
3439specific_ss.add(files('cpu.c'))
3440
3441subdir('softmmu')
3442
3443# Work around a gcc bug/misfeature wherein constant propagation looks
3444# through an alias:
3445#   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3446# to guess that a const variable is always zero.  Without lto, this is
3447# impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3448# without lto, not even the alias is required -- we simply use different
3449# declarations in different compilation units.
3450pagevary = files('page-vary-common.c')
3451if get_option('b_lto')
3452  pagevary_flags = ['-fno-lto']
3453  if get_option('cfi')
3454    pagevary_flags += '-fno-sanitize=cfi-icall'
3455  endif
3456  pagevary = static_library('page-vary-common', sources: pagevary + genh,
3457                            c_args: pagevary_flags)
3458  pagevary = declare_dependency(link_with: pagevary)
3459endif
3460common_ss.add(pagevary)
3461specific_ss.add(files('page-vary.c'))
3462
3463subdir('backends')
3464subdir('disas')
3465subdir('migration')
3466subdir('monitor')
3467subdir('net')
3468subdir('replay')
3469subdir('semihosting')
3470subdir('stats')
3471subdir('tcg')
3472subdir('fpu')
3473subdir('accel')
3474subdir('plugins')
3475subdir('ebpf')
3476
3477common_user_inc = []
3478
3479subdir('common-user')
3480subdir('bsd-user')
3481subdir('linux-user')
3482
3483# needed for fuzzing binaries
3484subdir('tests/qtest/libqos')
3485subdir('tests/qtest/fuzz')
3486
3487# accel modules
3488tcg_real_module_ss = ss.source_set()
3489tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3490specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3491target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3492                                'tcg': tcg_real_module_ss }}
3493
3494########################
3495# Library dependencies #
3496########################
3497
3498modinfo_collect = find_program('scripts/modinfo-collect.py')
3499modinfo_generate = find_program('scripts/modinfo-generate.py')
3500modinfo_files = []
3501
3502block_mods = []
3503softmmu_mods = []
3504foreach d, list : modules
3505  if not (d == 'block' ? have_block : have_system)
3506    continue
3507  endif
3508
3509  foreach m, module_ss : list
3510    if enable_modules
3511      module_ss = module_ss.apply(config_all, strict: false)
3512      sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3513                          dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3514      if d == 'block'
3515        block_mods += sl
3516      else
3517        softmmu_mods += sl
3518      endif
3519      if module_ss.sources() != []
3520        # FIXME: Should use sl.extract_all_objects(recursive: true) as
3521        # input. Sources can be used multiple times but objects are
3522        # unique when it comes to lookup in compile_commands.json.
3523        # Depnds on a mesion version with
3524        # https://github.com/mesonbuild/meson/pull/8900
3525        modinfo_files += custom_target(d + '-' + m + '.modinfo',
3526                                       output: d + '-' + m + '.modinfo',
3527                                       input: module_ss.sources() + genh,
3528                                       capture: true,
3529                                       command: [modinfo_collect, module_ss.sources()])
3530      endif
3531    else
3532      if d == 'block'
3533        block_ss.add_all(module_ss)
3534      else
3535        softmmu_ss.add_all(module_ss)
3536      endif
3537    endif
3538  endforeach
3539endforeach
3540
3541foreach d, list : target_modules
3542  foreach m, module_ss : list
3543    if enable_modules
3544      foreach target : target_dirs
3545        if target.endswith('-softmmu')
3546          config_target = config_target_mak[target]
3547          config_target += config_host
3548          target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3549          c_args = ['-DNEED_CPU_H',
3550                    '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3551                    '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3552          target_module_ss = module_ss.apply(config_target, strict: false)
3553          if target_module_ss.sources() != []
3554            module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3555            sl = static_library(module_name,
3556                                [genh, target_module_ss.sources()],
3557                                dependencies: [modulecommon, target_module_ss.dependencies()],
3558                                include_directories: target_inc,
3559                                c_args: c_args,
3560                                pic: true)
3561            softmmu_mods += sl
3562            # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3563            modinfo_files += custom_target(module_name + '.modinfo',
3564                                           output: module_name + '.modinfo',
3565                                           input: target_module_ss.sources() + genh,
3566                                           capture: true,
3567                                           command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3568          endif
3569        endif
3570      endforeach
3571    else
3572      specific_ss.add_all(module_ss)
3573    endif
3574  endforeach
3575endforeach
3576
3577if enable_modules
3578  foreach target : target_dirs
3579    if target.endswith('-softmmu')
3580      config_target = config_target_mak[target]
3581      config_devices_mak = target + '-config-devices.mak'
3582      modinfo_src = custom_target('modinfo-' + target + '.c',
3583                                  output: 'modinfo-' + target + '.c',
3584                                  input: modinfo_files,
3585                                  command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3586                                  capture: true)
3587
3588      modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3589      modinfo_dep = declare_dependency(link_with: modinfo_lib)
3590
3591      arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3592      hw_arch[arch].add(modinfo_dep)
3593    endif
3594  endforeach
3595endif
3596
3597nm = find_program('nm')
3598undefsym = find_program('scripts/undefsym.py')
3599block_syms = custom_target('block.syms', output: 'block.syms',
3600                             input: [libqemuutil, block_mods],
3601                             capture: true,
3602                             command: [undefsym, nm, '@INPUT@'])
3603qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3604                             input: [libqemuutil, softmmu_mods],
3605                             capture: true,
3606                             command: [undefsym, nm, '@INPUT@'])
3607
3608authz_ss = authz_ss.apply(config_host, strict: false)
3609libauthz = static_library('authz', authz_ss.sources() + genh,
3610                          dependencies: [authz_ss.dependencies()],
3611                          name_suffix: 'fa',
3612                          build_by_default: false)
3613
3614authz = declare_dependency(link_whole: libauthz,
3615                           dependencies: qom)
3616
3617crypto_ss = crypto_ss.apply(config_host, strict: false)
3618libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3619                           dependencies: [crypto_ss.dependencies()],
3620                           name_suffix: 'fa',
3621                           build_by_default: false)
3622
3623crypto = declare_dependency(link_whole: libcrypto,
3624                            dependencies: [authz, qom])
3625
3626io_ss = io_ss.apply(config_host, strict: false)
3627libio = static_library('io', io_ss.sources() + genh,
3628                       dependencies: [io_ss.dependencies()],
3629                       link_with: libqemuutil,
3630                       name_suffix: 'fa',
3631                       build_by_default: false)
3632
3633io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3634
3635libmigration = static_library('migration', sources: migration_files + genh,
3636                              name_suffix: 'fa',
3637                              build_by_default: false)
3638migration = declare_dependency(link_with: libmigration,
3639                               dependencies: [zlib, qom, io])
3640softmmu_ss.add(migration)
3641
3642block_ss = block_ss.apply(config_host, strict: false)
3643libblock = static_library('block', block_ss.sources() + genh,
3644                          dependencies: block_ss.dependencies(),
3645                          link_depends: block_syms,
3646                          name_suffix: 'fa',
3647                          build_by_default: false)
3648
3649block = declare_dependency(link_whole: [libblock],
3650                           link_args: '@block.syms',
3651                           dependencies: [crypto, io])
3652
3653blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3654libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3655                             dependencies: blockdev_ss.dependencies(),
3656                             name_suffix: 'fa',
3657                             build_by_default: false)
3658
3659blockdev = declare_dependency(link_whole: [libblockdev],
3660                              dependencies: [block, event_loop_base])
3661
3662qmp_ss = qmp_ss.apply(config_host, strict: false)
3663libqmp = static_library('qmp', qmp_ss.sources() + genh,
3664                        dependencies: qmp_ss.dependencies(),
3665                        name_suffix: 'fa',
3666                        build_by_default: false)
3667
3668qmp = declare_dependency(link_whole: [libqmp])
3669
3670libchardev = static_library('chardev', chardev_ss.sources() + genh,
3671                            name_suffix: 'fa',
3672                            dependencies: chardev_ss.dependencies(),
3673                            build_by_default: false)
3674
3675chardev = declare_dependency(link_whole: libchardev)
3676
3677hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3678libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3679                           name_suffix: 'fa',
3680                           build_by_default: false)
3681hwcore = declare_dependency(link_whole: libhwcore)
3682common_ss.add(hwcore)
3683
3684###########
3685# Targets #
3686###########
3687
3688emulator_modules = []
3689foreach m : block_mods + softmmu_mods
3690  emulator_modules += shared_module(m.name(),
3691                build_by_default: true,
3692                name_prefix: '',
3693                link_whole: m,
3694                install: true,
3695                install_dir: qemu_moddir)
3696endforeach
3697if emulator_modules.length() > 0
3698  alias_target('modules', emulator_modules)
3699endif
3700
3701softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3702common_ss.add(qom, qemuutil)
3703
3704common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3705common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3706
3707common_all = common_ss.apply(config_all, strict: false)
3708common_all = static_library('common',
3709                            build_by_default: false,
3710                            sources: common_all.sources() + genh,
3711                            include_directories: common_user_inc,
3712                            implicit_include_directories: false,
3713                            dependencies: common_all.dependencies(),
3714                            name_suffix: 'fa')
3715
3716feature_to_c = find_program('scripts/feature_to_c.sh')
3717
3718if targetos == 'darwin'
3719  entitlement = find_program('scripts/entitlement.sh')
3720endif
3721
3722emulators = {}
3723foreach target : target_dirs
3724  config_target = config_target_mak[target]
3725  target_name = config_target['TARGET_NAME']
3726  target_base_arch = config_target['TARGET_BASE_ARCH']
3727  arch_srcs = [config_target_h[target]]
3728  arch_deps = []
3729  c_args = ['-DNEED_CPU_H',
3730            '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3731            '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3732  link_args = emulator_link_args
3733
3734  config_target += config_host
3735  target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3736  if targetos == 'linux'
3737    target_inc += include_directories('linux-headers', is_system: true)
3738  endif
3739  if target.endswith('-softmmu')
3740    target_type='system'
3741    t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3742    arch_srcs += t.sources()
3743    arch_deps += t.dependencies()
3744
3745    hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3746    hw = hw_arch[hw_dir].apply(config_target, strict: false)
3747    arch_srcs += hw.sources()
3748    arch_deps += hw.dependencies()
3749
3750    arch_srcs += config_devices_h[target]
3751    link_args += ['@block.syms', '@qemu.syms']
3752  else
3753    abi = config_target['TARGET_ABI_DIR']
3754    target_type='user'
3755    target_inc += common_user_inc
3756    if target_base_arch in target_user_arch
3757      t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3758      arch_srcs += t.sources()
3759      arch_deps += t.dependencies()
3760    endif
3761    if 'CONFIG_LINUX_USER' in config_target
3762      base_dir = 'linux-user'
3763    endif
3764    if 'CONFIG_BSD_USER' in config_target
3765      base_dir = 'bsd-user'
3766      target_inc += include_directories('bsd-user/' / targetos)
3767      target_inc += include_directories('bsd-user/host/' / host_arch)
3768      dir = base_dir / abi
3769      arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3770    endif
3771    target_inc += include_directories(
3772      base_dir,
3773      base_dir / abi,
3774    )
3775    if 'CONFIG_LINUX_USER' in config_target
3776      dir = base_dir / abi
3777      arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3778      if config_target.has_key('TARGET_SYSTBL_ABI')
3779        arch_srcs += \
3780          syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3781                                             extra_args : config_target['TARGET_SYSTBL_ABI'])
3782      endif
3783    endif
3784  endif
3785
3786  if 'TARGET_XML_FILES' in config_target
3787    gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3788                                output: target + '-gdbstub-xml.c',
3789                                input: files(config_target['TARGET_XML_FILES'].split()),
3790                                command: [feature_to_c, '@INPUT@'],
3791                                capture: true)
3792    arch_srcs += gdbstub_xml
3793  endif
3794
3795  t = target_arch[target_base_arch].apply(config_target, strict: false)
3796  arch_srcs += t.sources()
3797  arch_deps += t.dependencies()
3798
3799  target_common = common_ss.apply(config_target, strict: false)
3800  objects = common_all.extract_objects(target_common.sources())
3801  deps = target_common.dependencies()
3802
3803  target_specific = specific_ss.apply(config_target, strict: false)
3804  arch_srcs += target_specific.sources()
3805  arch_deps += target_specific.dependencies()
3806
3807  lib = static_library('qemu-' + target,
3808                 sources: arch_srcs + genh,
3809                 dependencies: arch_deps,
3810                 objects: objects,
3811                 include_directories: target_inc,
3812                 c_args: c_args,
3813                 build_by_default: false,
3814                 name_suffix: 'fa')
3815
3816  if target.endswith('-softmmu')
3817    execs = [{
3818      'name': 'qemu-system-' + target_name,
3819      'win_subsystem': 'console',
3820      'sources': files('softmmu/main.c'),
3821      'dependencies': []
3822    }]
3823    if targetos == 'windows' and (sdl.found() or gtk.found())
3824      execs += [{
3825        'name': 'qemu-system-' + target_name + 'w',
3826        'win_subsystem': 'windows',
3827        'sources': files('softmmu/main.c'),
3828        'dependencies': []
3829      }]
3830    endif
3831    if get_option('fuzzing')
3832      specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3833      execs += [{
3834        'name': 'qemu-fuzz-' + target_name,
3835        'win_subsystem': 'console',
3836        'sources': specific_fuzz.sources(),
3837        'dependencies': specific_fuzz.dependencies(),
3838      }]
3839    endif
3840  else
3841    execs = [{
3842      'name': 'qemu-' + target_name,
3843      'win_subsystem': 'console',
3844      'sources': [],
3845      'dependencies': []
3846    }]
3847  endif
3848  foreach exe: execs
3849    exe_name = exe['name']
3850    if targetos == 'darwin'
3851      exe_name += '-unsigned'
3852    endif
3853
3854    emulator = executable(exe_name, exe['sources'],
3855               install: true,
3856               c_args: c_args,
3857               dependencies: arch_deps + deps + exe['dependencies'],
3858               objects: lib.extract_all_objects(recursive: true),
3859               link_language: link_language,
3860               link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3861               link_args: link_args,
3862               win_subsystem: exe['win_subsystem'])
3863
3864    if targetos == 'darwin'
3865      icon = 'pc-bios/qemu.rsrc'
3866      build_input = [emulator, files(icon)]
3867      install_input = [
3868        get_option('bindir') / exe_name,
3869        meson.current_source_dir() / icon
3870      ]
3871      if 'CONFIG_HVF' in config_target
3872        entitlements = 'accel/hvf/entitlements.plist'
3873        build_input += files(entitlements)
3874        install_input += meson.current_source_dir() / entitlements
3875      endif
3876
3877      emulators += {exe['name'] : custom_target(exe['name'],
3878                   input: build_input,
3879                   output: exe['name'],
3880                   command: [entitlement, '@OUTPUT@', '@INPUT@'])
3881      }
3882
3883      meson.add_install_script(entitlement, '--install',
3884                               get_option('bindir') / exe['name'],
3885                               install_input)
3886    else
3887      emulators += {exe['name']: emulator}
3888    endif
3889
3890    if stap.found()
3891      foreach stp: [
3892        {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3893        {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3894        {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3895        {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3896      ]
3897        custom_target(exe['name'] + stp['ext'],
3898                      input: trace_events_all,
3899                      output: exe['name'] + stp['ext'],
3900                      install: stp['install'],
3901                      install_dir: get_option('datadir') / 'systemtap/tapset',
3902                      command: [
3903                        tracetool, '--group=all', '--format=' + stp['fmt'],
3904                        '--binary=' + stp['bin'],
3905                        '--target-name=' + target_name,
3906                        '--target-type=' + target_type,
3907                        '--probe-prefix=qemu.' + target_type + '.' + target_name,
3908                        '@INPUT@', '@OUTPUT@'
3909                      ],
3910                      depend_files: tracetool_depends)
3911      endforeach
3912    endif
3913  endforeach
3914endforeach
3915
3916# Other build targets
3917
3918if 'CONFIG_PLUGIN' in config_host
3919  install_headers('include/qemu/qemu-plugin.h')
3920endif
3921
3922subdir('qga')
3923
3924# Don't build qemu-keymap if xkbcommon is not explicitly enabled
3925# when we don't build tools or system
3926if xkbcommon.found()
3927  # used for the update-keymaps target, so include rules even if !have_tools
3928  qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3929                           dependencies: [qemuutil, xkbcommon], install: have_tools)
3930endif
3931
3932if have_tools
3933  qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3934             dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3935  qemu_io = executable('qemu-io', files('qemu-io.c'),
3936             dependencies: [block, qemuutil], install: true)
3937  qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3938               dependencies: [blockdev, qemuutil, gnutls, selinux],
3939               install: true)
3940
3941  subdir('storage-daemon')
3942  subdir('contrib/rdmacm-mux')
3943  subdir('contrib/elf2dmp')
3944
3945  executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3946             dependencies: qemuutil,
3947             install: true)
3948
3949  if have_vhost_user
3950    subdir('contrib/vhost-user-blk')
3951    subdir('contrib/vhost-user-gpu')
3952    subdir('contrib/vhost-user-input')
3953    subdir('contrib/vhost-user-scsi')
3954  endif
3955
3956  if targetos == 'linux'
3957    executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3958               dependencies: [qemuutil, libcap_ng],
3959               install: true,
3960               install_dir: get_option('libexecdir'))
3961
3962    executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3963               dependencies: [authz, crypto, io, qom, qemuutil,
3964                              libcap_ng, mpathpersist],
3965               install: true)
3966  endif
3967
3968  if have_ivshmem
3969    subdir('contrib/ivshmem-client')
3970    subdir('contrib/ivshmem-server')
3971  endif
3972endif
3973
3974subdir('scripts')
3975subdir('tools')
3976subdir('pc-bios')
3977subdir('docs')
3978subdir('tests')
3979if gtk.found()
3980  subdir('po')
3981endif
3982
3983if host_machine.system() == 'windows'
3984  nsis_cmd = [
3985    find_program('scripts/nsis.py'),
3986    '@OUTPUT@',
3987    get_option('prefix'),
3988    meson.current_source_dir(),
3989    glib_pc.get_variable('bindir'),
3990    host_machine.cpu(),
3991    '--',
3992    '-DDISPLAYVERSION=' + meson.project_version(),
3993  ]
3994  if build_docs
3995    nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3996  endif
3997  if gtk.found()
3998    nsis_cmd += '-DCONFIG_GTK=y'
3999  endif
4000
4001  nsis = custom_target('nsis',
4002                       output: 'qemu-setup-' + meson.project_version() + '.exe',
4003                       input: files('qemu.nsi'),
4004                       build_always_stale: true,
4005                       command: nsis_cmd + ['@INPUT@'])
4006  alias_target('installer', nsis)
4007endif
4008
4009#########################
4010# Configuration summary #
4011#########################
4012
4013# Directories
4014summary_info = {}
4015summary_info += {'Install prefix':    get_option('prefix')}
4016summary_info += {'BIOS directory':    qemu_datadir}
4017pathsep = targetos == 'windows' ? ';' : ':'
4018summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
4019summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
4020summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4021summary_info += {'module directory':  qemu_moddir}
4022summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4023summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4024summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
4025if targetos != 'windows'
4026  summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4027  summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
4028else
4029  summary_info += {'local state directory': 'queried at runtime'}
4030endif
4031summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
4032summary_info += {'Build directory':   meson.current_build_dir()}
4033summary_info += {'Source path':       meson.current_source_dir()}
4034summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
4035summary(summary_info, bool_yn: true, section: 'Directories')
4036
4037# Host binaries
4038summary_info = {}
4039summary_info += {'git':               config_host['GIT']}
4040summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4041summary_info += {'sphinx-build':      sphinx_build}
4042if config_host.has_key('HAVE_GDB_BIN')
4043  summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
4044endif
4045summary_info += {'iasl':              iasl}
4046summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
4047if targetos == 'windows' and have_ga
4048  summary_info += {'wixl':            wixl}
4049endif
4050if slirp.found() and have_system
4051  summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
4052endif
4053summary(summary_info, bool_yn: true, section: 'Host binaries')
4054
4055# Configurable features
4056summary_info = {}
4057summary_info += {'Documentation':     build_docs}
4058summary_info += {'system-mode emulation': have_system}
4059summary_info += {'user-mode emulation': have_user}
4060summary_info += {'block layer':       have_block}
4061summary_info += {'Install blobs':     get_option('install_blobs')}
4062summary_info += {'module support':    enable_modules}
4063if enable_modules
4064  summary_info += {'alternative module path': get_option('module_upgrades')}
4065endif
4066summary_info += {'fuzzing support':   get_option('fuzzing')}
4067if have_system
4068  summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
4069endif
4070summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
4071if 'simple' in get_option('trace_backends')
4072  summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4073endif
4074summary_info += {'D-Bus display':     dbus_display}
4075summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
4076summary_info += {'vhost-kernel support': have_vhost_kernel}
4077summary_info += {'vhost-net support': have_vhost_net}
4078summary_info += {'vhost-user support': have_vhost_user}
4079summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4080summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4081summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4082summary_info += {'build guest agent': have_ga}
4083summary(summary_info, bool_yn: true, section: 'Configurable features')
4084
4085# Compilation information
4086summary_info = {}
4087summary_info += {'host CPU':          cpu}
4088summary_info += {'host endianness':   build_machine.endian()}
4089summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
4090summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4091if link_language == 'cpp'
4092  summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
4093else
4094  summary_info += {'C++ compiler':      false}
4095endif
4096if targetos == 'darwin'
4097  summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4098endif
4099option_cflags = (get_option('debug') ? ['-g'] : [])
4100if get_option('optimization') != 'plain'
4101  option_cflags += ['-O' + get_option('optimization')]
4102endif
4103summary_info += {'CFLAGS':            ' '.join(get_option('c_args') + option_cflags)}
4104if link_language == 'cpp'
4105  summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args') + option_cflags)}
4106endif
4107if targetos == 'darwin'
4108  summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args') + option_cflags)}
4109endif
4110link_args = get_option(link_language + '_link_args')
4111if link_args.length() > 0
4112  summary_info += {'LDFLAGS':         ' '.join(link_args)}
4113endif
4114summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_common_flags + qemu_cflags)}
4115if 'cpp' in all_languages
4116  summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_common_flags + qemu_cxxflags)}
4117endif
4118if 'objc' in all_languages
4119  summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_common_flags)}
4120endif
4121summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
4122summary_info += {'profiler':          get_option('profiler')}
4123summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4124summary_info += {'PIE':               get_option('b_pie')}
4125summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
4126summary_info += {'malloc trim support': has_malloc_trim}
4127summary_info += {'membarrier':        have_membarrier}
4128summary_info += {'debug graph lock':  get_option('debug_graph_lock')}
4129summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4130summary_info += {'mutex debugging':   get_option('debug_mutex')}
4131summary_info += {'memory allocator':  get_option('malloc')}
4132summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4133summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4134summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4135if get_option('gprof')
4136  gprof_info = 'YES (deprecated)'
4137else
4138  gprof_info = get_option('gprof')
4139endif
4140summary_info += {'gprof':             gprof_info}
4141summary_info += {'gcov':              get_option('b_coverage')}
4142summary_info += {'thread sanitizer':  get_option('tsan')}
4143summary_info += {'CFI support':       get_option('cfi')}
4144if get_option('cfi')
4145  summary_info += {'CFI debug support': get_option('cfi_debug')}
4146endif
4147summary_info += {'strip binaries':    get_option('strip')}
4148summary_info += {'sparse':            sparse}
4149summary_info += {'mingw32 support':   targetos == 'windows'}
4150summary(summary_info, bool_yn: true, section: 'Compilation')
4151
4152# snarf the cross-compilation information for tests
4153summary_info = {}
4154have_cross = false
4155foreach target: target_dirs
4156  tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4157  if fs.exists(tcg_mak)
4158    config_cross_tcg = keyval.load(tcg_mak)
4159    if 'CC' in config_cross_tcg
4160      summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4161      have_cross = true
4162    endif
4163  endif
4164endforeach
4165if have_cross
4166  summary(summary_info, bool_yn: true, section: 'Cross compilers')
4167endif
4168
4169# Targets and accelerators
4170summary_info = {}
4171if have_system
4172  summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
4173  summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
4174  summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
4175  summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
4176  summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
4177  summary_info += {'Xen support':       xen.found()}
4178  if xen.found()
4179    summary_info += {'xen ctrl version':  xen.version()}
4180  endif
4181  summary_info += {'Xen emulation':     config_all.has_key('CONFIG_XEN_EMU')}
4182endif
4183summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
4184if config_all.has_key('CONFIG_TCG')
4185  if get_option('tcg_interpreter')
4186    summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
4187  else
4188    summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
4189  endif
4190  summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
4191  summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
4192endif
4193summary_info += {'target list':       ' '.join(target_dirs)}
4194if have_system
4195  summary_info += {'default devices':   get_option('default_devices')}
4196  summary_info += {'out of process emulation': multiprocess_allowed}
4197  summary_info += {'vfio-user server': vfio_user_server_allowed}
4198endif
4199summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4200
4201# Block layer
4202summary_info = {}
4203summary_info += {'coroutine backend': coroutine_backend}
4204summary_info += {'coroutine pool':    have_coroutine_pool}
4205if have_block
4206  summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4207  summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4208  summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4209  summary_info += {'VirtFS (9P) support':    have_virtfs}
4210  summary_info += {'VirtFS (9P) Proxy Helper support': have_virtfs_proxy_helper}
4211  summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4212  summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4213  summary_info += {'bochs support':     get_option('bochs').allowed()}
4214  summary_info += {'cloop support':     get_option('cloop').allowed()}
4215  summary_info += {'dmg support':       get_option('dmg').allowed()}
4216  summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
4217  summary_info += {'vdi support':       get_option('vdi').allowed()}
4218  summary_info += {'vhdx support':      get_option('vhdx').allowed()}
4219  summary_info += {'vmdk support':      get_option('vmdk').allowed()}
4220  summary_info += {'vpc support':       get_option('vpc').allowed()}
4221  summary_info += {'vvfat support':     get_option('vvfat').allowed()}
4222  summary_info += {'qed support':       get_option('qed').allowed()}
4223  summary_info += {'parallels support': get_option('parallels').allowed()}
4224  summary_info += {'FUSE exports':      fuse}
4225  summary_info += {'VDUSE block exports': have_vduse_blk_export}
4226endif
4227summary(summary_info, bool_yn: true, section: 'Block layer support')
4228
4229# Crypto
4230summary_info = {}
4231summary_info += {'TLS priority':      get_option('tls_priority')}
4232summary_info += {'GNUTLS support':    gnutls}
4233if gnutls.found()
4234  summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
4235endif
4236summary_info += {'libgcrypt':         gcrypt}
4237summary_info += {'nettle':            nettle}
4238if nettle.found()
4239   summary_info += {'  XTS':             xts != 'private'}
4240endif
4241summary_info += {'AF_ALG support':    have_afalg}
4242summary_info += {'rng-none':          get_option('rng_none')}
4243summary_info += {'Linux keyring':     have_keyring}
4244summary(summary_info, bool_yn: true, section: 'Crypto')
4245
4246# Libraries
4247summary_info = {}
4248if targetos == 'darwin'
4249  summary_info += {'Cocoa support':           cocoa}
4250  summary_info += {'vmnet.framework support': vmnet}
4251endif
4252summary_info += {'SDL support':       sdl}
4253summary_info += {'SDL image support': sdl_image}
4254summary_info += {'GTK support':       gtk}
4255summary_info += {'pixman':            pixman}
4256summary_info += {'VTE support':       vte}
4257summary_info += {'slirp support':     slirp}
4258summary_info += {'libtasn1':          tasn1}
4259summary_info += {'PAM':               pam}
4260summary_info += {'iconv support':     iconv}
4261summary_info += {'curses support':    curses}
4262summary_info += {'virgl support':     virgl}
4263summary_info += {'blkio support':     blkio}
4264summary_info += {'curl support':      curl}
4265summary_info += {'Multipath support': mpathpersist}
4266summary_info += {'PNG support':       png}
4267summary_info += {'VNC support':       vnc}
4268if vnc.found()
4269  summary_info += {'VNC SASL support':  sasl}
4270  summary_info += {'VNC JPEG support':  jpeg}
4271endif
4272if targetos not in ['darwin', 'haiku', 'windows']
4273  summary_info += {'OSS support':     oss}
4274  summary_info += {'sndio support':   sndio}
4275elif targetos == 'darwin'
4276  summary_info += {'CoreAudio support': coreaudio}
4277elif targetos == 'windows'
4278  summary_info += {'DirectSound support': dsound}
4279endif
4280if targetos == 'linux'
4281  summary_info += {'ALSA support':    alsa}
4282  summary_info += {'PulseAudio support': pulse}
4283endif
4284summary_info += {'Pipewire support':   pipewire}
4285summary_info += {'JACK support':      jack}
4286summary_info += {'brlapi support':    brlapi}
4287summary_info += {'vde support':       vde}
4288summary_info += {'netmap support':    have_netmap}
4289summary_info += {'l2tpv3 support':    have_l2tpv3}
4290summary_info += {'Linux AIO support': libaio}
4291summary_info += {'Linux io_uring support': linux_io_uring}
4292summary_info += {'ATTR/XATTR support': libattr}
4293summary_info += {'RDMA support':      rdma}
4294summary_info += {'PVRDMA support':    have_pvrdma}
4295summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
4296summary_info += {'libcap-ng support': libcap_ng}
4297summary_info += {'bpf support':       libbpf}
4298summary_info += {'spice protocol support': spice_protocol}
4299if spice_protocol.found()
4300  summary_info += {'  spice server support': spice}
4301endif
4302summary_info += {'rbd support':       rbd}
4303summary_info += {'smartcard support': cacard}
4304summary_info += {'U2F support':       u2f}
4305summary_info += {'libusb':            libusb}
4306summary_info += {'usb net redir':     usbredir}
4307summary_info += {'OpenGL support (epoxy)': opengl}
4308summary_info += {'GBM':               gbm}
4309summary_info += {'libiscsi support':  libiscsi}
4310summary_info += {'libnfs support':    libnfs}
4311if targetos == 'windows'
4312  if have_ga
4313    summary_info += {'QGA VSS support':   have_qga_vss}
4314  endif
4315endif
4316summary_info += {'seccomp support':   seccomp}
4317summary_info += {'GlusterFS support': glusterfs}
4318summary_info += {'TPM support':       have_tpm}
4319summary_info += {'libssh support':    libssh}
4320summary_info += {'lzo support':       lzo}
4321summary_info += {'snappy support':    snappy}
4322summary_info += {'bzip2 support':     libbzip2}
4323summary_info += {'lzfse support':     liblzfse}
4324summary_info += {'zstd support':      zstd}
4325summary_info += {'NUMA host support': numa}
4326summary_info += {'capstone':          capstone}
4327summary_info += {'libpmem support':   libpmem}
4328summary_info += {'libdaxctl support': libdaxctl}
4329summary_info += {'libudev':           libudev}
4330# Dummy dependency, keep .found()
4331summary_info += {'FUSE lseek':        fuse_lseek.found()}
4332summary_info += {'selinux':           selinux}
4333summary_info += {'libdw':             libdw}
4334summary(summary_info, bool_yn: true, section: 'Dependencies')
4335
4336if not supported_cpus.contains(cpu)
4337  message()
4338  warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4339  message()
4340  message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4341  message('The QEMU project intends to remove support for this host CPU in')
4342  message('a future release if nobody volunteers to maintain it and to')
4343  message('provide a build host for our continuous integration setup.')
4344  message('configure has succeeded and you can continue to build, but')
4345  message('if you care about QEMU on this platform you should contact')
4346  message('us upstream at qemu-devel@nongnu.org.')
4347endif
4348
4349if not supported_oses.contains(targetos)
4350  message()
4351  warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4352  message()
4353  message('Host OS ' + targetos + 'support is not currently maintained.')
4354  message('The QEMU project intends to remove support for this host OS in')
4355  message('a future release if nobody volunteers to maintain it and to')
4356  message('provide a build host for our continuous integration setup.')
4357  message('configure has succeeded and you can continue to build, but')
4358  message('if you care about QEMU on this platform you should contact')
4359  message('us upstream at qemu-devel@nongnu.org.')
4360endif
4361