xref: /qemu/meson.build (revision 60f782b6)
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())
2109config_host_data.set('CONFIG_CURL', curl.found())
2110config_host_data.set('CONFIG_CURSES', curses.found())
2111config_host_data.set('CONFIG_GBM', gbm.found())
2112config_host_data.set('CONFIG_GIO', gio.found())
2113config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2114if glusterfs.found()
2115  config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2116  config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2117  config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2118  config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2119  config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2120  config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2121endif
2122config_host_data.set('CONFIG_GTK', gtk.found())
2123config_host_data.set('CONFIG_VTE', vte.found())
2124config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2125config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2126config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2127config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2128config_host_data.set('CONFIG_EBPF', libbpf.found())
2129config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2130config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2131config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2132config_host_data.set('CONFIG_LIBSSH', libssh.found())
2133config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2134config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2135config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2136config_host_data.set('CONFIG_MODULES', enable_modules)
2137config_host_data.set('CONFIG_NUMA', numa.found())
2138if numa.found()
2139  config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2140                       cc.has_function('numa_has_preferred_many',
2141                                       dependencies: numa))
2142endif
2143config_host_data.set('CONFIG_OPENGL', opengl.found())
2144config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
2145config_host_data.set('CONFIG_RBD', rbd.found())
2146config_host_data.set('CONFIG_RDMA', rdma.found())
2147config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2148config_host_data.set('CONFIG_SDL', sdl.found())
2149config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2150config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2151if seccomp.found()
2152  config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2153endif
2154config_host_data.set('CONFIG_SNAPPY', snappy.found())
2155config_host_data.set('CONFIG_TPM', have_tpm)
2156config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2157config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2158config_host_data.set('CONFIG_VDE', vde.found())
2159config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2160config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2161config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2162config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2163config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2164config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2165config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2166config_host_data.set('CONFIG_VMNET', vmnet.found())
2167config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2168config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2169config_host_data.set('CONFIG_PNG', png.found())
2170config_host_data.set('CONFIG_VNC', vnc.found())
2171config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2172config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2173config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2174config_host_data.set('CONFIG_VTE', vte.found())
2175config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2176config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2177config_host_data.set('CONFIG_GETTID', has_gettid)
2178config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2179config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2180config_host_data.set('CONFIG_TASN1', tasn1.found())
2181config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2182config_host_data.set('CONFIG_NETTLE', nettle.found())
2183config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2184config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2185config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2186config_host_data.set('CONFIG_STATX', has_statx)
2187config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2188config_host_data.set('CONFIG_ZSTD', zstd.found())
2189config_host_data.set('CONFIG_FUSE', fuse.found())
2190config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2191config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2192if spice_protocol.found()
2193config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2194config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2195config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2196endif
2197config_host_data.set('CONFIG_SPICE', spice.found())
2198config_host_data.set('CONFIG_X11', x11.found())
2199config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2200config_host_data.set('CONFIG_CFI', get_option('cfi'))
2201config_host_data.set('CONFIG_SELINUX', selinux.found())
2202config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2203config_host_data.set('CONFIG_LIBDW', libdw.found())
2204if xen.found()
2205  # protect from xen.version() having less than three components
2206  xen_version = xen.version().split('.') + ['0', '0']
2207  xen_ctrl_version = xen_version[0] + \
2208    ('0' + xen_version[1]).substring(-2) + \
2209    ('0' + xen_version[2]).substring(-2)
2210  config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2211endif
2212config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2213config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2214config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2215config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2216
2217config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2218config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2219
2220have_coroutine_pool = get_option('coroutine_pool')
2221if get_option('debug_stack_usage') and have_coroutine_pool
2222  message('Disabling coroutine pool to measure stack usage')
2223  have_coroutine_pool = false
2224endif
2225config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2226config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2227config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2228config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2229config_host_data.set('CONFIG_GPROF', get_option('gprof'))
2230config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2231config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2232config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2233
2234# has_header
2235config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2236config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2237config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2238config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2239config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2240config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2241config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2242config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2243config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2244if targetos == 'windows'
2245  config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2246endif
2247
2248# has_function
2249config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2250config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2251config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2252config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2253config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2254config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2255# Note that we need to specify prefix: here to avoid incorrectly
2256# thinking that Windows has posix_memalign()
2257config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2258config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2259config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2260config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2261config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2262config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2263config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2264config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2265config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2266config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2267config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2268config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2269config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2270config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2271config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2272config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2273config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2274config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2275if rbd.found()
2276  config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2277                       cc.has_function('rbd_namespace_exists',
2278                                       dependencies: rbd,
2279                                       prefix: '#include <rbd/librbd.h>'))
2280endif
2281if rdma.found()
2282  config_host_data.set('HAVE_IBV_ADVISE_MR',
2283                       cc.has_function('ibv_advise_mr',
2284                                       dependencies: rdma,
2285                                       prefix: '#include <infiniband/verbs.h>'))
2286endif
2287
2288have_asan_fiber = false
2289if get_option('sanitizers') and \
2290   not cc.has_function('__sanitizer_start_switch_fiber',
2291                         args: '-fsanitize=address',
2292                         prefix: '#include <sanitizer/asan_interface.h>')
2293  warning('Missing ASAN due to missing fiber annotation interface')
2294  warning('Without code annotation, the report may be inferior.')
2295else
2296  have_asan_fiber = true
2297endif
2298config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2299
2300# has_header_symbol
2301config_host_data.set('CONFIG_BLKZONED',
2302                     cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2303config_host_data.set('CONFIG_EPOLL_CREATE1',
2304                     cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2305config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2306                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2307                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2308config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2309                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2310config_host_data.set('CONFIG_FIEMAP',
2311                     cc.has_header('linux/fiemap.h') and
2312                     cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2313config_host_data.set('CONFIG_GETRANDOM',
2314                     cc.has_function('getrandom') and
2315                     cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2316config_host_data.set('CONFIG_INOTIFY',
2317                     cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2318config_host_data.set('CONFIG_INOTIFY1',
2319                     cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2320config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2321                     cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2322config_host_data.set('CONFIG_RTNETLINK',
2323                     cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2324config_host_data.set('CONFIG_SYSMACROS',
2325                     cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2326config_host_data.set('HAVE_OPTRESET',
2327                     cc.has_header_symbol('getopt.h', 'optreset'))
2328config_host_data.set('HAVE_IPPROTO_MPTCP',
2329                     cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2330
2331# has_member
2332config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2333                     cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2334                                   prefix: '#include <signal.h>'))
2335config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2336                     cc.has_member('struct stat', 'st_atim',
2337                                   prefix: '#include <sys/stat.h>'))
2338config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2339                     cc.has_member('struct blk_zone', 'capacity',
2340                                   prefix: '#include <linux/blkzoned.h>'))
2341
2342# has_type
2343config_host_data.set('CONFIG_IOVEC',
2344                     cc.has_type('struct iovec',
2345                                 prefix: '#include <sys/uio.h>'))
2346config_host_data.set('HAVE_UTMPX',
2347                     cc.has_type('struct utmpx',
2348                                 prefix: '#include <utmpx.h>'))
2349
2350config_host_data.set('CONFIG_EVENTFD', cc.links('''
2351  #include <sys/eventfd.h>
2352  int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2353config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2354  #include <unistd.h>
2355  int main(void) {
2356  #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2357  return fdatasync(0);
2358  #else
2359  #error Not supported
2360  #endif
2361  }'''))
2362
2363has_madvise = cc.links(gnu_source_prefix + '''
2364  #include <sys/types.h>
2365  #include <sys/mman.h>
2366  #include <stddef.h>
2367  int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2368missing_madvise_proto = false
2369if has_madvise
2370  # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2371  # but forget to prototype it. In this case, has_madvise will be true (the
2372  # test program links despite a compile warning). To detect the
2373  # missing-prototype case, we try again with a definitely-bogus prototype.
2374  # This will only compile if the system headers don't provide the prototype;
2375  # otherwise the conflicting prototypes will cause a compiler error.
2376  missing_madvise_proto = cc.links(gnu_source_prefix + '''
2377    #include <sys/types.h>
2378    #include <sys/mman.h>
2379    #include <stddef.h>
2380    extern int madvise(int);
2381    int main(void) { return madvise(0); }''')
2382endif
2383config_host_data.set('CONFIG_MADVISE', has_madvise)
2384config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2385
2386config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2387  #include <sys/mman.h>
2388  int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2389config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2390  #include <fcntl.h>
2391  #if !defined(AT_EMPTY_PATH)
2392  # error missing definition
2393  #else
2394  int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2395  #endif'''))
2396config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2397  #include <sys/mman.h>
2398  #include <stddef.h>
2399  int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2400
2401config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2402  #include <pthread.h>
2403
2404  static void *f(void *p) { return NULL; }
2405  int main(void)
2406  {
2407    pthread_t thread;
2408    pthread_create(&thread, 0, f, 0);
2409    pthread_setname_np(thread, "QEMU");
2410    return 0;
2411  }''', dependencies: threads))
2412config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2413  #include <pthread.h>
2414
2415  static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2416  int main(void)
2417  {
2418    pthread_t thread;
2419    pthread_create(&thread, 0, f, 0);
2420    return 0;
2421  }''', dependencies: threads))
2422config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2423  #include <pthread.h>
2424  #include <pthread_np.h>
2425
2426  static void *f(void *p) { return NULL; }
2427  int main(void)
2428  {
2429    pthread_t thread;
2430    pthread_create(&thread, 0, f, 0);
2431    pthread_set_name_np(thread, "QEMU");
2432    return 0;
2433  }''', dependencies: threads))
2434config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2435  #include <pthread.h>
2436  #include <time.h>
2437
2438  int main(void)
2439  {
2440    pthread_condattr_t attr
2441    pthread_condattr_init(&attr);
2442    pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2443    return 0;
2444  }''', dependencies: threads))
2445config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2446  #include <pthread.h>
2447
2448  static void *f(void *p) { return NULL; }
2449  int main(void)
2450  {
2451    int setsize = CPU_ALLOC_SIZE(64);
2452    pthread_t thread;
2453    cpu_set_t *cpuset;
2454    pthread_create(&thread, 0, f, 0);
2455    cpuset = CPU_ALLOC(64);
2456    CPU_ZERO_S(setsize, cpuset);
2457    pthread_setaffinity_np(thread, setsize, cpuset);
2458    pthread_getaffinity_np(thread, setsize, cpuset);
2459    CPU_FREE(cpuset);
2460    return 0;
2461  }''', dependencies: threads))
2462config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2463  #include <sys/signalfd.h>
2464  #include <stddef.h>
2465  int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2466config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2467  #include <unistd.h>
2468  #include <fcntl.h>
2469  #include <limits.h>
2470
2471  int main(void)
2472  {
2473    int len, fd = 0;
2474    len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2475    splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2476    return 0;
2477  }'''))
2478
2479config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2480  #include <sys/mman.h>
2481  int main(void) {
2482    return mlockall(MCL_FUTURE);
2483  }'''))
2484
2485have_l2tpv3 = false
2486if get_option('l2tpv3').allowed() and have_system
2487  have_l2tpv3 = cc.has_type('struct mmsghdr',
2488    prefix: gnu_source_prefix + '''
2489      #include <sys/socket.h>
2490      #include <linux/ip.h>''')
2491endif
2492config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2493
2494have_netmap = false
2495if get_option('netmap').allowed() and have_system
2496  have_netmap = cc.compiles('''
2497    #include <inttypes.h>
2498    #include <net/if.h>
2499    #include <net/netmap.h>
2500    #include <net/netmap_user.h>
2501    #if (NETMAP_API < 11) || (NETMAP_API > 15)
2502    #error
2503    #endif
2504    int main(void) { return 0; }''')
2505  if not have_netmap and get_option('netmap').enabled()
2506    error('Netmap headers not available')
2507  endif
2508endif
2509config_host_data.set('CONFIG_NETMAP', have_netmap)
2510
2511# Work around a system header bug with some kernel/XFS header
2512# versions where they both try to define 'struct fsxattr':
2513# xfs headers will not try to redefine structs from linux headers
2514# if this macro is set.
2515config_host_data.set('HAVE_FSXATTR', cc.links('''
2516  #include <linux/fs.h>
2517  struct fsxattr foo;
2518  int main(void) {
2519    return 0;
2520  }'''))
2521
2522# Some versions of Mac OS X incorrectly define SIZE_MAX
2523config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2524    #include <stdint.h>
2525    #include <stdio.h>
2526    int main(void) {
2527        return printf("%zu", SIZE_MAX);
2528    }''', args: ['-Werror']))
2529
2530# See if 64-bit atomic operations are supported.
2531# Note that without __atomic builtins, we can only
2532# assume atomic loads/stores max at pointer size.
2533config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2534  #include <stdint.h>
2535  int main(void)
2536  {
2537    uint64_t x = 0, y = 0;
2538    y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2539    __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2540    __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2541    __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2542    __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2543    return 0;
2544  }'''))
2545
2546has_int128 = cc.links('''
2547  __int128_t a;
2548  __uint128_t b;
2549  int main (void) {
2550    a = a + b;
2551    b = a * b;
2552    a = a * a;
2553    return 0;
2554  }''')
2555
2556config_host_data.set('CONFIG_INT128', has_int128)
2557
2558if has_int128
2559  # "do we have 128-bit atomics which are handled inline and specifically not
2560  # via libatomic". The reason we can't use libatomic is documented in the
2561  # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2562  # We only care about these operations on 16-byte aligned pointers, so
2563  # force 16-byte alignment of the pointer, which may be greater than
2564  # __alignof(unsigned __int128) for the host.
2565  atomic_test_128 = '''
2566    int main(int ac, char **av) {
2567      unsigned __int128 *p = __builtin_assume_aligned(av[ac - 1], 16);
2568      p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2569      __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2570      __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2571      return 0;
2572    }'''
2573  has_atomic128 = cc.links(atomic_test_128)
2574
2575  config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2576
2577  if not has_atomic128
2578    # Even with __builtin_assume_aligned, the above test may have failed
2579    # without optimization enabled.  Try again with optimizations locally
2580    # enabled for the function.  See
2581    #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2582    has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2583    config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2584
2585    if not has_atomic128_opt
2586      config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2587        int main(void)
2588        {
2589          unsigned __int128 x = 0, y = 0;
2590          __sync_val_compare_and_swap_16(&x, y, x);
2591          return 0;
2592        }
2593      '''))
2594    endif
2595  endif
2596endif
2597
2598config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2599  #include <sys/auxv.h>
2600  int main(void) {
2601    return getauxval(AT_HWCAP) == 0;
2602  }'''))
2603
2604config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2605  #include <linux/usbdevice_fs.h>
2606
2607  #ifndef USBDEVFS_GET_CAPABILITIES
2608  #error "USBDEVFS_GET_CAPABILITIES undefined"
2609  #endif
2610
2611  #ifndef USBDEVFS_DISCONNECT_CLAIM
2612  #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2613  #endif
2614
2615  int main(void) { return 0; }'''))
2616
2617have_keyring = get_option('keyring') \
2618  .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2619  .require(cc.compiles('''
2620    #include <errno.h>
2621    #include <asm/unistd.h>
2622    #include <linux/keyctl.h>
2623    #include <sys/syscall.h>
2624    #include <unistd.h>
2625    int main(void) {
2626        return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2627    }'''), error_message: 'keyctl syscall not available on this system').allowed()
2628config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2629
2630have_cpuid_h = cc.links('''
2631  #include <cpuid.h>
2632  int main(void) {
2633    unsigned a, b, c, d;
2634    unsigned max = __get_cpuid_max(0, 0);
2635
2636    if (max >= 1) {
2637        __cpuid(1, a, b, c, d);
2638    }
2639
2640    if (max >= 7) {
2641        __cpuid_count(7, 0, a, b, c, d);
2642    }
2643
2644    return 0;
2645  }''')
2646config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2647
2648config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2649  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2650  .require(cc.links('''
2651    #include <cpuid.h>
2652    #include <immintrin.h>
2653    static int __attribute__((target("avx2"))) bar(void *a) {
2654      __m256i x = *(__m256i *)a;
2655      return _mm256_testz_si256(x, x);
2656    }
2657    int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2658  '''), error_message: 'AVX2 not available').allowed())
2659
2660config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2661  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2662  .require(cc.links('''
2663    #include <cpuid.h>
2664    #include <immintrin.h>
2665    static int __attribute__((target("avx512f"))) bar(void *a) {
2666      __m512i x = *(__m512i *)a;
2667      return _mm512_test_epi64_mask(x, x);
2668    }
2669    int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2670  '''), error_message: 'AVX512F not available').allowed())
2671
2672config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2673  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2674  .require(cc.links('''
2675    #include <cpuid.h>
2676    #include <immintrin.h>
2677    static int __attribute__((target("avx512bw"))) bar(void *a) {
2678      __m512i *x = a;
2679      __m512i res= _mm512_abs_epi8(*x);
2680      return res[1];
2681    }
2682    int main(int argc, char *argv[]) { return bar(argv[0]); }
2683  '''), error_message: 'AVX512BW not available').allowed())
2684
2685have_pvrdma = get_option('pvrdma') \
2686  .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2687  .require(cc.compiles(gnu_source_prefix + '''
2688    #include <sys/mman.h>
2689    int main(void)
2690    {
2691      char buf = 0;
2692      void *addr = &buf;
2693      addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2694
2695      return 0;
2696    }'''), error_message: 'PVRDMA requires mremap').allowed()
2697
2698if have_pvrdma
2699  config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2700    #include <infiniband/verbs.h>
2701    int main(void)
2702    {
2703      struct ibv_mr *mr;
2704      struct ibv_pd *pd = NULL;
2705      size_t length = 10;
2706      uint64_t iova = 0;
2707      int access = 0;
2708      void *addr = NULL;
2709
2710      mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2711      ibv_dereg_mr(mr);
2712      return 0;
2713    }'''))
2714endif
2715
2716if get_option('membarrier').disabled()
2717  have_membarrier = false
2718elif targetos == 'windows'
2719  have_membarrier = true
2720elif targetos == 'linux'
2721  have_membarrier = cc.compiles('''
2722    #include <linux/membarrier.h>
2723    #include <sys/syscall.h>
2724    #include <unistd.h>
2725    #include <stdlib.h>
2726    int main(void) {
2727        syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2728        syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2729        exit(0);
2730    }''')
2731endif
2732config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2733  .require(have_membarrier, error_message: 'membarrier system call not available') \
2734  .allowed())
2735
2736have_afalg = get_option('crypto_afalg') \
2737  .require(cc.compiles(gnu_source_prefix + '''
2738    #include <errno.h>
2739    #include <sys/types.h>
2740    #include <sys/socket.h>
2741    #include <linux/if_alg.h>
2742    int main(void) {
2743      int sock;
2744      sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2745      return sock;
2746    }
2747  '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2748config_host_data.set('CONFIG_AF_ALG', have_afalg)
2749
2750config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2751  'linux/vm_sockets.h', 'AF_VSOCK',
2752  prefix: '#include <sys/socket.h>',
2753))
2754
2755have_vss = false
2756have_vss_sdk = false # old xp/2003 SDK
2757if targetos == 'windows' and link_language == 'cpp'
2758  have_vss = cxx.compiles('''
2759    #define __MIDL_user_allocate_free_DEFINED__
2760    #include <vss.h>
2761    int main(void) { return VSS_CTX_BACKUP; }''')
2762  have_vss_sdk = cxx.has_header('vscoordint.h')
2763endif
2764config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2765
2766foreach k, v: config_host
2767  if k.startswith('CONFIG_')
2768    config_host_data.set(k, v == 'y' ? 1 : v)
2769  endif
2770endforeach
2771
2772# Older versions of MinGW do not import _lock_file and _unlock_file properly.
2773# This was fixed for v6.0.0 with commit b48e3ac8969d.
2774if targetos == 'windows'
2775  config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2776    #include <stdio.h>
2777    int main(void) {
2778      _lock_file(NULL);
2779      _unlock_file(NULL);
2780      return 0;
2781    }''', name: '_lock_file and _unlock_file'))
2782endif
2783
2784if targetos == 'windows'
2785  mingw_has_setjmp_longjmp = cc.links('''
2786    #include <setjmp.h>
2787    int main(void) {
2788      /*
2789       * These functions are not available in setjmp header, but may be
2790       * available at link time, from libmingwex.a.
2791       */
2792      extern int __mingw_setjmp(jmp_buf);
2793      extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2794      jmp_buf env;
2795      __mingw_setjmp(env);
2796      __mingw_longjmp(env, 0);
2797    }
2798  ''', name: 'mingw setjmp and longjmp')
2799
2800  if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2801    error('mingw must provide setjmp/longjmp for windows-arm64')
2802  endif
2803endif
2804
2805########################
2806# Target configuration #
2807########################
2808
2809minikconf = find_program('scripts/minikconf.py')
2810config_all = {}
2811config_all_devices = {}
2812config_all_disas = {}
2813config_devices_mak_list = []
2814config_devices_h = {}
2815config_target_h = {}
2816config_target_mak = {}
2817
2818disassemblers = {
2819  'alpha' : ['CONFIG_ALPHA_DIS'],
2820  'avr' : ['CONFIG_AVR_DIS'],
2821  'cris' : ['CONFIG_CRIS_DIS'],
2822  'hexagon' : ['CONFIG_HEXAGON_DIS'],
2823  'hppa' : ['CONFIG_HPPA_DIS'],
2824  'i386' : ['CONFIG_I386_DIS'],
2825  'x86_64' : ['CONFIG_I386_DIS'],
2826  'm68k' : ['CONFIG_M68K_DIS'],
2827  'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2828  'mips' : ['CONFIG_MIPS_DIS'],
2829  'nios2' : ['CONFIG_NIOS2_DIS'],
2830  'or1k' : ['CONFIG_OPENRISC_DIS'],
2831  'ppc' : ['CONFIG_PPC_DIS'],
2832  'riscv' : ['CONFIG_RISCV_DIS'],
2833  'rx' : ['CONFIG_RX_DIS'],
2834  's390' : ['CONFIG_S390_DIS'],
2835  'sh4' : ['CONFIG_SH4_DIS'],
2836  'sparc' : ['CONFIG_SPARC_DIS'],
2837  'xtensa' : ['CONFIG_XTENSA_DIS'],
2838  'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2839}
2840
2841have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2842host_kconfig = \
2843  (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2844  (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2845  (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2846  (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2847  (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2848  (x11.found() ? ['CONFIG_X11=y'] : []) + \
2849  (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2850  (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2851  (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2852  (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2853  ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2854  (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2855  (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2856  (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2857
2858ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2859
2860default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2861actual_target_dirs = []
2862fdt_required = []
2863foreach target : target_dirs
2864  config_target = { 'TARGET_NAME': target.split('-')[0] }
2865  if target.endswith('linux-user')
2866    if targetos != 'linux'
2867      if default_targets
2868        continue
2869      endif
2870      error('Target @0@ is only available on a Linux host'.format(target))
2871    endif
2872    config_target += { 'CONFIG_LINUX_USER': 'y' }
2873  elif target.endswith('bsd-user')
2874    if 'CONFIG_BSD' not in config_host
2875      if default_targets
2876        continue
2877      endif
2878      error('Target @0@ is only available on a BSD host'.format(target))
2879    endif
2880    config_target += { 'CONFIG_BSD_USER': 'y' }
2881  elif target.endswith('softmmu')
2882    config_target += { 'CONFIG_SOFTMMU': 'y' }
2883  endif
2884  if target.endswith('-user')
2885    config_target += {
2886      'CONFIG_USER_ONLY': 'y',
2887      'CONFIG_QEMU_INTERP_PREFIX':
2888        get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2889    }
2890  endif
2891
2892  accel_kconfig = []
2893  foreach sym: accelerators
2894    if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2895      config_target += { sym: 'y' }
2896      config_all += { sym: 'y' }
2897      if target in modular_tcg
2898        config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2899      else
2900        config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2901      endif
2902      accel_kconfig += [ sym + '=y' ]
2903    endif
2904  endforeach
2905  if accel_kconfig.length() == 0
2906    if default_targets
2907      continue
2908    endif
2909    error('No accelerator available for target @0@'.format(target))
2910  endif
2911
2912  actual_target_dirs += target
2913  config_target += keyval.load('configs/targets' / target + '.mak')
2914  config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2915
2916  if 'TARGET_NEED_FDT' in config_target
2917    fdt_required += target
2918  endif
2919
2920  # Add default keys
2921  if 'TARGET_BASE_ARCH' not in config_target
2922    config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2923  endif
2924  if 'TARGET_ABI_DIR' not in config_target
2925    config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2926  endif
2927  if 'TARGET_BIG_ENDIAN' not in config_target
2928    config_target += {'TARGET_BIG_ENDIAN': 'n'}
2929  endif
2930
2931  foreach k, v: disassemblers
2932    if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2933      foreach sym: v
2934        config_target += { sym: 'y' }
2935        config_all_disas += { sym: 'y' }
2936      endforeach
2937    endif
2938  endforeach
2939
2940  config_target_data = configuration_data()
2941  foreach k, v: config_target
2942    if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2943      # do nothing
2944    elif ignored.contains(k)
2945      # do nothing
2946    elif k == 'TARGET_BASE_ARCH'
2947      # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2948      # not used to select files from sourcesets.
2949      config_target_data.set('TARGET_' + v.to_upper(), 1)
2950    elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2951      config_target_data.set_quoted(k, v)
2952    elif v == 'y'
2953      config_target_data.set(k, 1)
2954    elif v == 'n'
2955      config_target_data.set(k, 0)
2956    else
2957      config_target_data.set(k, v)
2958    endif
2959  endforeach
2960  config_target_data.set('QEMU_ARCH',
2961                         'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2962  config_target_h += {target: configure_file(output: target + '-config-target.h',
2963                                               configuration: config_target_data)}
2964
2965  if target.endswith('-softmmu')
2966    config_input = meson.get_external_property(target, 'default')
2967    config_devices_mak = target + '-config-devices.mak'
2968    config_devices_mak = configure_file(
2969      input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2970      output: config_devices_mak,
2971      depfile: config_devices_mak + '.d',
2972      capture: true,
2973      command: [minikconf,
2974                get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2975                config_devices_mak, '@DEPFILE@', '@INPUT@',
2976                host_kconfig, accel_kconfig,
2977                'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2978
2979    config_devices_data = configuration_data()
2980    config_devices = keyval.load(config_devices_mak)
2981    foreach k, v: config_devices
2982      config_devices_data.set(k, 1)
2983    endforeach
2984    config_devices_mak_list += config_devices_mak
2985    config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2986                                                configuration: config_devices_data)}
2987    config_target += config_devices
2988    config_all_devices += config_devices
2989  endif
2990  config_target_mak += {target: config_target}
2991endforeach
2992target_dirs = actual_target_dirs
2993
2994# This configuration is used to build files that are shared by
2995# multiple binaries, and then extracted out of the "common"
2996# static_library target.
2997#
2998# We do not use all_sources()/all_dependencies(), because it would
2999# build literally all source files, including devices only used by
3000# targets that are not built for this compilation.  The CONFIG_ALL
3001# pseudo symbol replaces it.
3002
3003config_all += config_all_devices
3004config_all += config_host
3005config_all += config_all_disas
3006config_all += {
3007  'CONFIG_XEN': xen.found(),
3008  'CONFIG_SOFTMMU': have_system,
3009  'CONFIG_USER_ONLY': have_user,
3010  'CONFIG_ALL': true,
3011}
3012
3013target_configs_h = []
3014foreach target: target_dirs
3015  target_configs_h += config_target_h[target]
3016  target_configs_h += config_devices_h.get(target, [])
3017endforeach
3018genh += custom_target('config-poison.h',
3019                      input: [target_configs_h],
3020                      output: 'config-poison.h',
3021                      capture: true,
3022                      command: [find_program('scripts/make-config-poison.sh'),
3023                                target_configs_h])
3024
3025##############
3026# Submodules #
3027##############
3028
3029capstone = not_found
3030if not get_option('capstone').auto() or have_system or have_user
3031  capstone = dependency('capstone', version: '>=3.0.5',
3032                        method: 'pkg-config',
3033                        required: get_option('capstone'))
3034
3035  # Some versions of capstone have broken pkg-config file
3036  # that reports a wrong -I path, causing the #include to
3037  # fail later. If the system has such a broken version
3038  # do not use it.
3039  if capstone.found() and not cc.compiles('#include <capstone.h>',
3040                                          dependencies: [capstone])
3041    capstone = not_found
3042    if get_option('capstone').enabled()
3043      error('capstone requested, but it does not appear to work')
3044    endif
3045  endif
3046endif
3047
3048libvfio_user_dep = not_found
3049if have_system and vfio_user_server_allowed
3050  have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
3051
3052  if not have_internal
3053    error('libvfio-user source not found - please pull git submodule')
3054  endif
3055
3056  libvfio_user_proj = subproject('libvfio-user')
3057
3058  libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3059endif
3060
3061fdt = not_found
3062fdt_opt = get_option('fdt')
3063if fdt_required.length() > 0 or fdt_opt == 'enabled'
3064  if fdt_opt == 'disabled'
3065    error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3066  endif
3067
3068  if fdt_opt in ['enabled', 'auto', 'system']
3069    fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3070    if fdt.found() and cc.links('''
3071       #include <libfdt.h>
3072       #include <libfdt_env.h>
3073       int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3074         dependencies: fdt)
3075      fdt_opt = 'system'
3076    elif fdt_opt == 'system'
3077       error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3078    else
3079      fdt_opt = 'internal'
3080      fdt = not_found
3081    endif
3082  endif
3083  if not fdt.found()
3084    assert(fdt_opt == 'internal')
3085    have_internal = fs.exists(meson.current_source_dir() / 'subprojects/dtc/meson.build')
3086
3087    if not have_internal
3088      error('libfdt source not found - please pull git submodule')
3089    endif
3090
3091    libfdt_proj = subproject('dtc', required: true,
3092                             default_options: ['tools=false',  'yaml=disabled',
3093                                               'python=disabled', 'default_library=static'])
3094    fdt = libfdt_proj.get_variable('libfdt_dep')
3095  endif
3096else
3097  fdt_opt = 'disabled'
3098endif
3099
3100config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3101config_host_data.set('CONFIG_FDT', fdt.found())
3102config_host_data.set('CONFIG_SLIRP', slirp.found())
3103
3104#####################
3105# Generated sources #
3106#####################
3107
3108genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3109
3110hxtool = find_program('scripts/hxtool')
3111shaderinclude = find_program('scripts/shaderinclude.py')
3112qapi_gen = find_program('scripts/qapi-gen.py')
3113qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3114                     meson.current_source_dir() / 'scripts/qapi/commands.py',
3115                     meson.current_source_dir() / 'scripts/qapi/common.py',
3116                     meson.current_source_dir() / 'scripts/qapi/error.py',
3117                     meson.current_source_dir() / 'scripts/qapi/events.py',
3118                     meson.current_source_dir() / 'scripts/qapi/expr.py',
3119                     meson.current_source_dir() / 'scripts/qapi/gen.py',
3120                     meson.current_source_dir() / 'scripts/qapi/introspect.py',
3121                     meson.current_source_dir() / 'scripts/qapi/main.py',
3122                     meson.current_source_dir() / 'scripts/qapi/parser.py',
3123                     meson.current_source_dir() / 'scripts/qapi/schema.py',
3124                     meson.current_source_dir() / 'scripts/qapi/source.py',
3125                     meson.current_source_dir() / 'scripts/qapi/types.py',
3126                     meson.current_source_dir() / 'scripts/qapi/visit.py',
3127                     meson.current_source_dir() / 'scripts/qapi-gen.py'
3128]
3129
3130tracetool = [
3131  python, files('scripts/tracetool.py'),
3132   '--backend=' + ','.join(get_option('trace_backends'))
3133]
3134tracetool_depends = files(
3135  'scripts/tracetool/backend/log.py',
3136  'scripts/tracetool/backend/__init__.py',
3137  'scripts/tracetool/backend/dtrace.py',
3138  'scripts/tracetool/backend/ftrace.py',
3139  'scripts/tracetool/backend/simple.py',
3140  'scripts/tracetool/backend/syslog.py',
3141  'scripts/tracetool/backend/ust.py',
3142  'scripts/tracetool/format/ust_events_c.py',
3143  'scripts/tracetool/format/ust_events_h.py',
3144  'scripts/tracetool/format/__init__.py',
3145  'scripts/tracetool/format/d.py',
3146  'scripts/tracetool/format/simpletrace_stap.py',
3147  'scripts/tracetool/format/c.py',
3148  'scripts/tracetool/format/h.py',
3149  'scripts/tracetool/format/log_stap.py',
3150  'scripts/tracetool/format/stap.py',
3151  'scripts/tracetool/__init__.py',
3152  'scripts/tracetool/vcpu.py'
3153)
3154
3155qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3156                    meson.current_source_dir(),
3157                    get_option('pkgversion'), meson.project_version()]
3158qemu_version = custom_target('qemu-version.h',
3159                             output: 'qemu-version.h',
3160                             command: qemu_version_cmd,
3161                             capture: true,
3162                             build_by_default: true,
3163                             build_always_stale: true)
3164genh += qemu_version
3165
3166hxdep = []
3167hx_headers = [
3168  ['qemu-options.hx', 'qemu-options.def'],
3169  ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3170]
3171if have_system
3172  hx_headers += [
3173    ['hmp-commands.hx', 'hmp-commands.h'],
3174    ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3175  ]
3176endif
3177foreach d : hx_headers
3178  hxdep += custom_target(d[1],
3179                input: files(d[0]),
3180                output: d[1],
3181                capture: true,
3182                build_by_default: true, # to be removed when added to a target
3183                command: [hxtool, '-h', '@INPUT0@'])
3184endforeach
3185genh += hxdep
3186
3187###################
3188# Collect sources #
3189###################
3190
3191authz_ss = ss.source_set()
3192blockdev_ss = ss.source_set()
3193block_ss = ss.source_set()
3194chardev_ss = ss.source_set()
3195common_ss = ss.source_set()
3196crypto_ss = ss.source_set()
3197hwcore_ss = ss.source_set()
3198io_ss = ss.source_set()
3199qmp_ss = ss.source_set()
3200qom_ss = ss.source_set()
3201softmmu_ss = ss.source_set()
3202specific_fuzz_ss = ss.source_set()
3203specific_ss = ss.source_set()
3204stub_ss = ss.source_set()
3205trace_ss = ss.source_set()
3206user_ss = ss.source_set()
3207util_ss = ss.source_set()
3208
3209# accel modules
3210qtest_module_ss = ss.source_set()
3211tcg_module_ss = ss.source_set()
3212
3213modules = {}
3214target_modules = {}
3215hw_arch = {}
3216target_arch = {}
3217target_softmmu_arch = {}
3218target_user_arch = {}
3219
3220###############
3221# Trace files #
3222###############
3223
3224# TODO: add each directory to the subdirs from its own meson.build, once
3225# we have those
3226trace_events_subdirs = [
3227  'crypto',
3228  'qapi',
3229  'qom',
3230  'monitor',
3231  'util',
3232  'gdbstub',
3233]
3234if have_linux_user
3235  trace_events_subdirs += [ 'linux-user' ]
3236endif
3237if have_bsd_user
3238  trace_events_subdirs += [ 'bsd-user' ]
3239endif
3240if have_block
3241  trace_events_subdirs += [
3242    'authz',
3243    'block',
3244    'io',
3245    'nbd',
3246    'scsi',
3247  ]
3248endif
3249if have_system
3250  trace_events_subdirs += [
3251    'accel/kvm',
3252    'audio',
3253    'backends',
3254    'backends/tpm',
3255    'chardev',
3256    'ebpf',
3257    'hw/9pfs',
3258    'hw/acpi',
3259    'hw/adc',
3260    'hw/alpha',
3261    'hw/arm',
3262    'hw/audio',
3263    'hw/block',
3264    'hw/block/dataplane',
3265    'hw/char',
3266    'hw/display',
3267    'hw/dma',
3268    'hw/hyperv',
3269    'hw/i2c',
3270    'hw/i386',
3271    'hw/i386/xen',
3272    'hw/i386/kvm',
3273    'hw/ide',
3274    'hw/input',
3275    'hw/intc',
3276    'hw/isa',
3277    'hw/mem',
3278    'hw/mips',
3279    'hw/misc',
3280    'hw/misc/macio',
3281    'hw/net',
3282    'hw/net/can',
3283    'hw/nubus',
3284    'hw/nvme',
3285    'hw/nvram',
3286    'hw/pci',
3287    'hw/pci-host',
3288    'hw/ppc',
3289    'hw/rdma',
3290    'hw/rdma/vmw',
3291    'hw/rtc',
3292    'hw/s390x',
3293    'hw/scsi',
3294    'hw/sd',
3295    'hw/sh4',
3296    'hw/sparc',
3297    'hw/sparc64',
3298    'hw/ssi',
3299    'hw/timer',
3300    'hw/tpm',
3301    'hw/usb',
3302    'hw/vfio',
3303    'hw/virtio',
3304    'hw/watchdog',
3305    'hw/xen',
3306    'hw/gpio',
3307    'migration',
3308    'net',
3309    'softmmu',
3310    'ui',
3311    'hw/remote',
3312  ]
3313endif
3314if have_system or have_user
3315  trace_events_subdirs += [
3316    'accel/tcg',
3317    'hw/core',
3318    'target/arm',
3319    'target/arm/hvf',
3320    'target/hppa',
3321    'target/i386',
3322    'target/i386/kvm',
3323    'target/mips/tcg',
3324    'target/nios2',
3325    'target/ppc',
3326    'target/riscv',
3327    'target/s390x',
3328    'target/s390x/kvm',
3329    'target/sparc',
3330  ]
3331endif
3332
3333vhost_user = not_found
3334if targetos == 'linux' and have_vhost_user
3335  libvhost_user = subproject('libvhost-user')
3336  vhost_user = libvhost_user.get_variable('vhost_user_dep')
3337endif
3338
3339libvduse = not_found
3340if have_libvduse
3341  libvduse_proj = subproject('libvduse')
3342  libvduse = libvduse_proj.get_variable('libvduse_dep')
3343endif
3344
3345# NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3346# that is filled in by qapi/.
3347subdir('qapi')
3348subdir('qobject')
3349subdir('stubs')
3350subdir('trace')
3351subdir('util')
3352subdir('qom')
3353subdir('authz')
3354subdir('crypto')
3355subdir('ui')
3356subdir('hw')
3357subdir('gdbstub')
3358
3359if enable_modules
3360  libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3361  modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3362endif
3363
3364qom_ss = qom_ss.apply(config_host, strict: false)
3365libqom = static_library('qom', qom_ss.sources() + genh,
3366                        dependencies: [qom_ss.dependencies()],
3367                        name_suffix: 'fa')
3368qom = declare_dependency(link_whole: libqom)
3369
3370event_loop_base = files('event-loop-base.c')
3371event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3372                                 build_by_default: true)
3373event_loop_base = declare_dependency(link_whole: event_loop_base,
3374                                     dependencies: [qom])
3375
3376stub_ss = stub_ss.apply(config_all, strict: false)
3377
3378util_ss.add_all(trace_ss)
3379util_ss = util_ss.apply(config_all, strict: false)
3380libqemuutil = static_library('qemuutil',
3381                             sources: util_ss.sources() + stub_ss.sources() + genh,
3382                             dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3383qemuutil = declare_dependency(link_with: libqemuutil,
3384                              sources: genh + version_res,
3385                              dependencies: [event_loop_base])
3386
3387if have_system or have_user
3388  decodetree = generator(find_program('scripts/decodetree.py'),
3389                         output: 'decode-@BASENAME@.c.inc',
3390                         arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3391  subdir('libdecnumber')
3392  subdir('target')
3393endif
3394
3395subdir('audio')
3396subdir('io')
3397subdir('chardev')
3398subdir('fsdev')
3399subdir('dump')
3400
3401if have_block
3402  block_ss.add(files(
3403    'block.c',
3404    'blockjob.c',
3405    'job.c',
3406    'qemu-io-cmds.c',
3407  ))
3408  if config_host_data.get('CONFIG_REPLICATION')
3409    block_ss.add(files('replication.c'))
3410  endif
3411
3412  subdir('nbd')
3413  subdir('scsi')
3414  subdir('block')
3415
3416  blockdev_ss.add(files(
3417    'blockdev.c',
3418    'blockdev-nbd.c',
3419    'iothread.c',
3420    'job-qmp.c',
3421  ), gnutls)
3422
3423  # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3424  # os-win32.c does not
3425  blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3426  softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3427endif
3428
3429common_ss.add(files('cpus-common.c'))
3430specific_ss.add(files('cpu.c'))
3431
3432subdir('softmmu')
3433
3434# Work around a gcc bug/misfeature wherein constant propagation looks
3435# through an alias:
3436#   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3437# to guess that a const variable is always zero.  Without lto, this is
3438# impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3439# without lto, not even the alias is required -- we simply use different
3440# declarations in different compilation units.
3441pagevary = files('page-vary-common.c')
3442if get_option('b_lto')
3443  pagevary_flags = ['-fno-lto']
3444  if get_option('cfi')
3445    pagevary_flags += '-fno-sanitize=cfi-icall'
3446  endif
3447  pagevary = static_library('page-vary-common', sources: pagevary + genh,
3448                            c_args: pagevary_flags)
3449  pagevary = declare_dependency(link_with: pagevary)
3450endif
3451common_ss.add(pagevary)
3452specific_ss.add(files('page-vary.c'))
3453
3454subdir('backends')
3455subdir('disas')
3456subdir('migration')
3457subdir('monitor')
3458subdir('net')
3459subdir('replay')
3460subdir('semihosting')
3461subdir('stats')
3462subdir('tcg')
3463subdir('fpu')
3464subdir('accel')
3465subdir('plugins')
3466subdir('ebpf')
3467
3468common_user_inc = []
3469
3470subdir('common-user')
3471subdir('bsd-user')
3472subdir('linux-user')
3473
3474# needed for fuzzing binaries
3475subdir('tests/qtest/libqos')
3476subdir('tests/qtest/fuzz')
3477
3478# accel modules
3479tcg_real_module_ss = ss.source_set()
3480tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3481specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3482target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3483                                'tcg': tcg_real_module_ss }}
3484
3485########################
3486# Library dependencies #
3487########################
3488
3489modinfo_collect = find_program('scripts/modinfo-collect.py')
3490modinfo_generate = find_program('scripts/modinfo-generate.py')
3491modinfo_files = []
3492
3493block_mods = []
3494softmmu_mods = []
3495foreach d, list : modules
3496  if not (d == 'block' ? have_block : have_system)
3497    continue
3498  endif
3499
3500  foreach m, module_ss : list
3501    if enable_modules
3502      module_ss = module_ss.apply(config_all, strict: false)
3503      sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3504                          dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3505      if d == 'block'
3506        block_mods += sl
3507      else
3508        softmmu_mods += sl
3509      endif
3510      if module_ss.sources() != []
3511        # FIXME: Should use sl.extract_all_objects(recursive: true) as
3512        # input. Sources can be used multiple times but objects are
3513        # unique when it comes to lookup in compile_commands.json.
3514        # Depnds on a mesion version with
3515        # https://github.com/mesonbuild/meson/pull/8900
3516        modinfo_files += custom_target(d + '-' + m + '.modinfo',
3517                                       output: d + '-' + m + '.modinfo',
3518                                       input: module_ss.sources() + genh,
3519                                       capture: true,
3520                                       command: [modinfo_collect, module_ss.sources()])
3521      endif
3522    else
3523      if d == 'block'
3524        block_ss.add_all(module_ss)
3525      else
3526        softmmu_ss.add_all(module_ss)
3527      endif
3528    endif
3529  endforeach
3530endforeach
3531
3532foreach d, list : target_modules
3533  foreach m, module_ss : list
3534    if enable_modules
3535      foreach target : target_dirs
3536        if target.endswith('-softmmu')
3537          config_target = config_target_mak[target]
3538          config_target += config_host
3539          target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3540          c_args = ['-DNEED_CPU_H',
3541                    '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3542                    '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3543          target_module_ss = module_ss.apply(config_target, strict: false)
3544          if target_module_ss.sources() != []
3545            module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3546            sl = static_library(module_name,
3547                                [genh, target_module_ss.sources()],
3548                                dependencies: [modulecommon, target_module_ss.dependencies()],
3549                                include_directories: target_inc,
3550                                c_args: c_args,
3551                                pic: true)
3552            softmmu_mods += sl
3553            # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3554            modinfo_files += custom_target(module_name + '.modinfo',
3555                                           output: module_name + '.modinfo',
3556                                           input: target_module_ss.sources() + genh,
3557                                           capture: true,
3558                                           command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3559          endif
3560        endif
3561      endforeach
3562    else
3563      specific_ss.add_all(module_ss)
3564    endif
3565  endforeach
3566endforeach
3567
3568if enable_modules
3569  foreach target : target_dirs
3570    if target.endswith('-softmmu')
3571      config_target = config_target_mak[target]
3572      config_devices_mak = target + '-config-devices.mak'
3573      modinfo_src = custom_target('modinfo-' + target + '.c',
3574                                  output: 'modinfo-' + target + '.c',
3575                                  input: modinfo_files,
3576                                  command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3577                                  capture: true)
3578
3579      modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3580      modinfo_dep = declare_dependency(link_with: modinfo_lib)
3581
3582      arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3583      hw_arch[arch].add(modinfo_dep)
3584    endif
3585  endforeach
3586endif
3587
3588nm = find_program('nm')
3589undefsym = find_program('scripts/undefsym.py')
3590block_syms = custom_target('block.syms', output: 'block.syms',
3591                             input: [libqemuutil, block_mods],
3592                             capture: true,
3593                             command: [undefsym, nm, '@INPUT@'])
3594qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3595                             input: [libqemuutil, softmmu_mods],
3596                             capture: true,
3597                             command: [undefsym, nm, '@INPUT@'])
3598
3599authz_ss = authz_ss.apply(config_host, strict: false)
3600libauthz = static_library('authz', authz_ss.sources() + genh,
3601                          dependencies: [authz_ss.dependencies()],
3602                          name_suffix: 'fa',
3603                          build_by_default: false)
3604
3605authz = declare_dependency(link_whole: libauthz,
3606                           dependencies: qom)
3607
3608crypto_ss = crypto_ss.apply(config_host, strict: false)
3609libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3610                           dependencies: [crypto_ss.dependencies()],
3611                           name_suffix: 'fa',
3612                           build_by_default: false)
3613
3614crypto = declare_dependency(link_whole: libcrypto,
3615                            dependencies: [authz, qom])
3616
3617io_ss = io_ss.apply(config_host, strict: false)
3618libio = static_library('io', io_ss.sources() + genh,
3619                       dependencies: [io_ss.dependencies()],
3620                       link_with: libqemuutil,
3621                       name_suffix: 'fa',
3622                       build_by_default: false)
3623
3624io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3625
3626libmigration = static_library('migration', sources: migration_files + genh,
3627                              name_suffix: 'fa',
3628                              build_by_default: false)
3629migration = declare_dependency(link_with: libmigration,
3630                               dependencies: [zlib, qom, io])
3631softmmu_ss.add(migration)
3632
3633block_ss = block_ss.apply(config_host, strict: false)
3634libblock = static_library('block', block_ss.sources() + genh,
3635                          dependencies: block_ss.dependencies(),
3636                          link_depends: block_syms,
3637                          name_suffix: 'fa',
3638                          build_by_default: false)
3639
3640block = declare_dependency(link_whole: [libblock],
3641                           link_args: '@block.syms',
3642                           dependencies: [crypto, io])
3643
3644blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3645libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3646                             dependencies: blockdev_ss.dependencies(),
3647                             name_suffix: 'fa',
3648                             build_by_default: false)
3649
3650blockdev = declare_dependency(link_whole: [libblockdev],
3651                              dependencies: [block, event_loop_base])
3652
3653qmp_ss = qmp_ss.apply(config_host, strict: false)
3654libqmp = static_library('qmp', qmp_ss.sources() + genh,
3655                        dependencies: qmp_ss.dependencies(),
3656                        name_suffix: 'fa',
3657                        build_by_default: false)
3658
3659qmp = declare_dependency(link_whole: [libqmp])
3660
3661libchardev = static_library('chardev', chardev_ss.sources() + genh,
3662                            name_suffix: 'fa',
3663                            dependencies: chardev_ss.dependencies(),
3664                            build_by_default: false)
3665
3666chardev = declare_dependency(link_whole: libchardev)
3667
3668hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3669libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3670                           name_suffix: 'fa',
3671                           build_by_default: false)
3672hwcore = declare_dependency(link_whole: libhwcore)
3673common_ss.add(hwcore)
3674
3675###########
3676# Targets #
3677###########
3678
3679emulator_modules = []
3680foreach m : block_mods + softmmu_mods
3681  emulator_modules += shared_module(m.name(),
3682                build_by_default: true,
3683                name_prefix: '',
3684                link_whole: m,
3685                install: true,
3686                install_dir: qemu_moddir)
3687endforeach
3688if emulator_modules.length() > 0
3689  alias_target('modules', emulator_modules)
3690endif
3691
3692softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3693common_ss.add(qom, qemuutil)
3694
3695common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3696common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3697
3698common_all = common_ss.apply(config_all, strict: false)
3699common_all = static_library('common',
3700                            build_by_default: false,
3701                            sources: common_all.sources() + genh,
3702                            include_directories: common_user_inc,
3703                            implicit_include_directories: false,
3704                            dependencies: common_all.dependencies(),
3705                            name_suffix: 'fa')
3706
3707feature_to_c = find_program('scripts/feature_to_c.sh')
3708
3709if targetos == 'darwin'
3710  entitlement = find_program('scripts/entitlement.sh')
3711endif
3712
3713emulators = {}
3714foreach target : target_dirs
3715  config_target = config_target_mak[target]
3716  target_name = config_target['TARGET_NAME']
3717  target_base_arch = config_target['TARGET_BASE_ARCH']
3718  arch_srcs = [config_target_h[target]]
3719  arch_deps = []
3720  c_args = ['-DNEED_CPU_H',
3721            '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3722            '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3723  link_args = emulator_link_args
3724
3725  config_target += config_host
3726  target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3727  if targetos == 'linux'
3728    target_inc += include_directories('linux-headers', is_system: true)
3729  endif
3730  if target.endswith('-softmmu')
3731    target_type='system'
3732    t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3733    arch_srcs += t.sources()
3734    arch_deps += t.dependencies()
3735
3736    hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3737    hw = hw_arch[hw_dir].apply(config_target, strict: false)
3738    arch_srcs += hw.sources()
3739    arch_deps += hw.dependencies()
3740
3741    arch_srcs += config_devices_h[target]
3742    link_args += ['@block.syms', '@qemu.syms']
3743  else
3744    abi = config_target['TARGET_ABI_DIR']
3745    target_type='user'
3746    target_inc += common_user_inc
3747    if target_base_arch in target_user_arch
3748      t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3749      arch_srcs += t.sources()
3750      arch_deps += t.dependencies()
3751    endif
3752    if 'CONFIG_LINUX_USER' in config_target
3753      base_dir = 'linux-user'
3754    endif
3755    if 'CONFIG_BSD_USER' in config_target
3756      base_dir = 'bsd-user'
3757      target_inc += include_directories('bsd-user/' / targetos)
3758      target_inc += include_directories('bsd-user/host/' / host_arch)
3759      dir = base_dir / abi
3760      arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3761    endif
3762    target_inc += include_directories(
3763      base_dir,
3764      base_dir / abi,
3765    )
3766    if 'CONFIG_LINUX_USER' in config_target
3767      dir = base_dir / abi
3768      arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3769      if config_target.has_key('TARGET_SYSTBL_ABI')
3770        arch_srcs += \
3771          syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3772                                             extra_args : config_target['TARGET_SYSTBL_ABI'])
3773      endif
3774    endif
3775  endif
3776
3777  if 'TARGET_XML_FILES' in config_target
3778    gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3779                                output: target + '-gdbstub-xml.c',
3780                                input: files(config_target['TARGET_XML_FILES'].split()),
3781                                command: [feature_to_c, '@INPUT@'],
3782                                capture: true)
3783    arch_srcs += gdbstub_xml
3784  endif
3785
3786  t = target_arch[target_base_arch].apply(config_target, strict: false)
3787  arch_srcs += t.sources()
3788  arch_deps += t.dependencies()
3789
3790  target_common = common_ss.apply(config_target, strict: false)
3791  objects = common_all.extract_objects(target_common.sources())
3792  deps = target_common.dependencies()
3793
3794  target_specific = specific_ss.apply(config_target, strict: false)
3795  arch_srcs += target_specific.sources()
3796  arch_deps += target_specific.dependencies()
3797
3798  lib = static_library('qemu-' + target,
3799                 sources: arch_srcs + genh,
3800                 dependencies: arch_deps,
3801                 objects: objects,
3802                 include_directories: target_inc,
3803                 c_args: c_args,
3804                 build_by_default: false,
3805                 name_suffix: 'fa')
3806
3807  if target.endswith('-softmmu')
3808    execs = [{
3809      'name': 'qemu-system-' + target_name,
3810      'win_subsystem': 'console',
3811      'sources': files('softmmu/main.c'),
3812      'dependencies': []
3813    }]
3814    if targetos == 'windows' and (sdl.found() or gtk.found())
3815      execs += [{
3816        'name': 'qemu-system-' + target_name + 'w',
3817        'win_subsystem': 'windows',
3818        'sources': files('softmmu/main.c'),
3819        'dependencies': []
3820      }]
3821    endif
3822    if get_option('fuzzing')
3823      specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3824      execs += [{
3825        'name': 'qemu-fuzz-' + target_name,
3826        'win_subsystem': 'console',
3827        'sources': specific_fuzz.sources(),
3828        'dependencies': specific_fuzz.dependencies(),
3829      }]
3830    endif
3831  else
3832    execs = [{
3833      'name': 'qemu-' + target_name,
3834      'win_subsystem': 'console',
3835      'sources': [],
3836      'dependencies': []
3837    }]
3838  endif
3839  foreach exe: execs
3840    exe_name = exe['name']
3841    if targetos == 'darwin'
3842      exe_name += '-unsigned'
3843    endif
3844
3845    emulator = executable(exe_name, exe['sources'],
3846               install: true,
3847               c_args: c_args,
3848               dependencies: arch_deps + deps + exe['dependencies'],
3849               objects: lib.extract_all_objects(recursive: true),
3850               link_language: link_language,
3851               link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3852               link_args: link_args,
3853               win_subsystem: exe['win_subsystem'])
3854
3855    if targetos == 'darwin'
3856      icon = 'pc-bios/qemu.rsrc'
3857      build_input = [emulator, files(icon)]
3858      install_input = [
3859        get_option('bindir') / exe_name,
3860        meson.current_source_dir() / icon
3861      ]
3862      if 'CONFIG_HVF' in config_target
3863        entitlements = 'accel/hvf/entitlements.plist'
3864        build_input += files(entitlements)
3865        install_input += meson.current_source_dir() / entitlements
3866      endif
3867
3868      emulators += {exe['name'] : custom_target(exe['name'],
3869                   input: build_input,
3870                   output: exe['name'],
3871                   command: [entitlement, '@OUTPUT@', '@INPUT@'])
3872      }
3873
3874      meson.add_install_script(entitlement, '--install',
3875                               get_option('bindir') / exe['name'],
3876                               install_input)
3877    else
3878      emulators += {exe['name']: emulator}
3879    endif
3880
3881    if stap.found()
3882      foreach stp: [
3883        {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3884        {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3885        {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3886        {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3887      ]
3888        custom_target(exe['name'] + stp['ext'],
3889                      input: trace_events_all,
3890                      output: exe['name'] + stp['ext'],
3891                      install: stp['install'],
3892                      install_dir: get_option('datadir') / 'systemtap/tapset',
3893                      command: [
3894                        tracetool, '--group=all', '--format=' + stp['fmt'],
3895                        '--binary=' + stp['bin'],
3896                        '--target-name=' + target_name,
3897                        '--target-type=' + target_type,
3898                        '--probe-prefix=qemu.' + target_type + '.' + target_name,
3899                        '@INPUT@', '@OUTPUT@'
3900                      ],
3901                      depend_files: tracetool_depends)
3902      endforeach
3903    endif
3904  endforeach
3905endforeach
3906
3907# Other build targets
3908
3909if 'CONFIG_PLUGIN' in config_host
3910  install_headers('include/qemu/qemu-plugin.h')
3911endif
3912
3913subdir('qga')
3914
3915# Don't build qemu-keymap if xkbcommon is not explicitly enabled
3916# when we don't build tools or system
3917if xkbcommon.found()
3918  # used for the update-keymaps target, so include rules even if !have_tools
3919  qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3920                           dependencies: [qemuutil, xkbcommon], install: have_tools)
3921endif
3922
3923if have_tools
3924  qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3925             dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3926  qemu_io = executable('qemu-io', files('qemu-io.c'),
3927             dependencies: [block, qemuutil], install: true)
3928  qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3929               dependencies: [blockdev, qemuutil, gnutls, selinux],
3930               install: true)
3931
3932  subdir('storage-daemon')
3933  subdir('contrib/rdmacm-mux')
3934  subdir('contrib/elf2dmp')
3935
3936  executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3937             dependencies: qemuutil,
3938             install: true)
3939
3940  if have_vhost_user
3941    subdir('contrib/vhost-user-blk')
3942    subdir('contrib/vhost-user-gpu')
3943    subdir('contrib/vhost-user-input')
3944    subdir('contrib/vhost-user-scsi')
3945  endif
3946
3947  if targetos == 'linux'
3948    executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3949               dependencies: [qemuutil, libcap_ng],
3950               install: true,
3951               install_dir: get_option('libexecdir'))
3952
3953    executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3954               dependencies: [authz, crypto, io, qom, qemuutil,
3955                              libcap_ng, mpathpersist],
3956               install: true)
3957  endif
3958
3959  if have_ivshmem
3960    subdir('contrib/ivshmem-client')
3961    subdir('contrib/ivshmem-server')
3962  endif
3963endif
3964
3965subdir('scripts')
3966subdir('tools')
3967subdir('pc-bios')
3968subdir('docs')
3969subdir('tests')
3970if gtk.found()
3971  subdir('po')
3972endif
3973
3974if host_machine.system() == 'windows'
3975  nsis_cmd = [
3976    find_program('scripts/nsis.py'),
3977    '@OUTPUT@',
3978    get_option('prefix'),
3979    meson.current_source_dir(),
3980    glib_pc.get_variable('bindir'),
3981    host_machine.cpu(),
3982    '--',
3983    '-DDISPLAYVERSION=' + meson.project_version(),
3984  ]
3985  if build_docs
3986    nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3987  endif
3988  if gtk.found()
3989    nsis_cmd += '-DCONFIG_GTK=y'
3990  endif
3991
3992  nsis = custom_target('nsis',
3993                       output: 'qemu-setup-' + meson.project_version() + '.exe',
3994                       input: files('qemu.nsi'),
3995                       build_always_stale: true,
3996                       command: nsis_cmd + ['@INPUT@'])
3997  alias_target('installer', nsis)
3998endif
3999
4000#########################
4001# Configuration summary #
4002#########################
4003
4004# Directories
4005summary_info = {}
4006summary_info += {'Install prefix':    get_option('prefix')}
4007summary_info += {'BIOS directory':    qemu_datadir}
4008pathsep = targetos == 'windows' ? ';' : ':'
4009summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
4010summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
4011summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4012summary_info += {'module directory':  qemu_moddir}
4013summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4014summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4015summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
4016if targetos != 'windows'
4017  summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4018  summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
4019else
4020  summary_info += {'local state directory': 'queried at runtime'}
4021endif
4022summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
4023summary_info += {'Build directory':   meson.current_build_dir()}
4024summary_info += {'Source path':       meson.current_source_dir()}
4025summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
4026summary(summary_info, bool_yn: true, section: 'Directories')
4027
4028# Host binaries
4029summary_info = {}
4030summary_info += {'git':               config_host['GIT']}
4031summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4032summary_info += {'sphinx-build':      sphinx_build}
4033if config_host.has_key('HAVE_GDB_BIN')
4034  summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
4035endif
4036summary_info += {'iasl':              iasl}
4037summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
4038if targetos == 'windows' and have_ga
4039  summary_info += {'wixl':            wixl}
4040endif
4041if slirp.found() and have_system
4042  summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
4043endif
4044summary(summary_info, bool_yn: true, section: 'Host binaries')
4045
4046# Configurable features
4047summary_info = {}
4048summary_info += {'Documentation':     build_docs}
4049summary_info += {'system-mode emulation': have_system}
4050summary_info += {'user-mode emulation': have_user}
4051summary_info += {'block layer':       have_block}
4052summary_info += {'Install blobs':     get_option('install_blobs')}
4053summary_info += {'module support':    enable_modules}
4054if enable_modules
4055  summary_info += {'alternative module path': get_option('module_upgrades')}
4056endif
4057summary_info += {'fuzzing support':   get_option('fuzzing')}
4058if have_system
4059  summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
4060endif
4061summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
4062if 'simple' in get_option('trace_backends')
4063  summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4064endif
4065summary_info += {'D-Bus display':     dbus_display}
4066summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
4067summary_info += {'vhost-kernel support': have_vhost_kernel}
4068summary_info += {'vhost-net support': have_vhost_net}
4069summary_info += {'vhost-user support': have_vhost_user}
4070summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4071summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4072summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4073summary_info += {'build guest agent': have_ga}
4074summary(summary_info, bool_yn: true, section: 'Configurable features')
4075
4076# Compilation information
4077summary_info = {}
4078summary_info += {'host CPU':          cpu}
4079summary_info += {'host endianness':   build_machine.endian()}
4080summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
4081summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4082if link_language == 'cpp'
4083  summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
4084else
4085  summary_info += {'C++ compiler':      false}
4086endif
4087if targetos == 'darwin'
4088  summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4089endif
4090option_cflags = (get_option('debug') ? ['-g'] : [])
4091if get_option('optimization') != 'plain'
4092  option_cflags += ['-O' + get_option('optimization')]
4093endif
4094summary_info += {'CFLAGS':            ' '.join(get_option('c_args') + option_cflags)}
4095if link_language == 'cpp'
4096  summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args') + option_cflags)}
4097endif
4098if targetos == 'darwin'
4099  summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args') + option_cflags)}
4100endif
4101link_args = get_option(link_language + '_link_args')
4102if link_args.length() > 0
4103  summary_info += {'LDFLAGS':         ' '.join(link_args)}
4104endif
4105summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_common_flags + qemu_cflags)}
4106if 'cpp' in all_languages
4107  summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_common_flags + qemu_cxxflags)}
4108endif
4109if 'objc' in all_languages
4110  summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_common_flags)}
4111endif
4112summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
4113summary_info += {'profiler':          get_option('profiler')}
4114summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4115summary_info += {'PIE':               get_option('b_pie')}
4116summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
4117summary_info += {'malloc trim support': has_malloc_trim}
4118summary_info += {'membarrier':        have_membarrier}
4119summary_info += {'debug graph lock':  get_option('debug_graph_lock')}
4120summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4121summary_info += {'mutex debugging':   get_option('debug_mutex')}
4122summary_info += {'memory allocator':  get_option('malloc')}
4123summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4124summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4125summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4126if get_option('gprof')
4127  gprof_info = 'YES (deprecated)'
4128else
4129  gprof_info = get_option('gprof')
4130endif
4131summary_info += {'gprof':             gprof_info}
4132summary_info += {'gcov':              get_option('b_coverage')}
4133summary_info += {'thread sanitizer':  get_option('tsan')}
4134summary_info += {'CFI support':       get_option('cfi')}
4135if get_option('cfi')
4136  summary_info += {'CFI debug support': get_option('cfi_debug')}
4137endif
4138summary_info += {'strip binaries':    get_option('strip')}
4139summary_info += {'sparse':            sparse}
4140summary_info += {'mingw32 support':   targetos == 'windows'}
4141summary(summary_info, bool_yn: true, section: 'Compilation')
4142
4143# snarf the cross-compilation information for tests
4144summary_info = {}
4145have_cross = false
4146foreach target: target_dirs
4147  tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4148  if fs.exists(tcg_mak)
4149    config_cross_tcg = keyval.load(tcg_mak)
4150    if 'CC' in config_cross_tcg
4151      summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4152      have_cross = true
4153    endif
4154  endif
4155endforeach
4156if have_cross
4157  summary(summary_info, bool_yn: true, section: 'Cross compilers')
4158endif
4159
4160# Targets and accelerators
4161summary_info = {}
4162if have_system
4163  summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
4164  summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
4165  summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
4166  summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
4167  summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
4168  summary_info += {'Xen support':       xen.found()}
4169  if xen.found()
4170    summary_info += {'xen ctrl version':  xen.version()}
4171  endif
4172  summary_info += {'Xen emulation':     config_all.has_key('CONFIG_XEN_EMU')}
4173endif
4174summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
4175if config_all.has_key('CONFIG_TCG')
4176  if get_option('tcg_interpreter')
4177    summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
4178  else
4179    summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
4180  endif
4181  summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
4182  summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
4183endif
4184summary_info += {'target list':       ' '.join(target_dirs)}
4185if have_system
4186  summary_info += {'default devices':   get_option('default_devices')}
4187  summary_info += {'out of process emulation': multiprocess_allowed}
4188  summary_info += {'vfio-user server': vfio_user_server_allowed}
4189endif
4190summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4191
4192# Block layer
4193summary_info = {}
4194summary_info += {'coroutine backend': coroutine_backend}
4195summary_info += {'coroutine pool':    have_coroutine_pool}
4196if have_block
4197  summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4198  summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4199  summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4200  summary_info += {'VirtFS (9P) support':    have_virtfs}
4201  summary_info += {'VirtFS (9P) Proxy Helper support': have_virtfs_proxy_helper}
4202  summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4203  summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4204  summary_info += {'bochs support':     get_option('bochs').allowed()}
4205  summary_info += {'cloop support':     get_option('cloop').allowed()}
4206  summary_info += {'dmg support':       get_option('dmg').allowed()}
4207  summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
4208  summary_info += {'vdi support':       get_option('vdi').allowed()}
4209  summary_info += {'vhdx support':      get_option('vhdx').allowed()}
4210  summary_info += {'vmdk support':      get_option('vmdk').allowed()}
4211  summary_info += {'vpc support':       get_option('vpc').allowed()}
4212  summary_info += {'vvfat support':     get_option('vvfat').allowed()}
4213  summary_info += {'qed support':       get_option('qed').allowed()}
4214  summary_info += {'parallels support': get_option('parallels').allowed()}
4215  summary_info += {'FUSE exports':      fuse}
4216  summary_info += {'VDUSE block exports': have_vduse_blk_export}
4217endif
4218summary(summary_info, bool_yn: true, section: 'Block layer support')
4219
4220# Crypto
4221summary_info = {}
4222summary_info += {'TLS priority':      get_option('tls_priority')}
4223summary_info += {'GNUTLS support':    gnutls}
4224if gnutls.found()
4225  summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
4226endif
4227summary_info += {'libgcrypt':         gcrypt}
4228summary_info += {'nettle':            nettle}
4229if nettle.found()
4230   summary_info += {'  XTS':             xts != 'private'}
4231endif
4232summary_info += {'AF_ALG support':    have_afalg}
4233summary_info += {'rng-none':          get_option('rng_none')}
4234summary_info += {'Linux keyring':     have_keyring}
4235summary(summary_info, bool_yn: true, section: 'Crypto')
4236
4237# Libraries
4238summary_info = {}
4239if targetos == 'darwin'
4240  summary_info += {'Cocoa support':           cocoa}
4241  summary_info += {'vmnet.framework support': vmnet}
4242endif
4243summary_info += {'SDL support':       sdl}
4244summary_info += {'SDL image support': sdl_image}
4245summary_info += {'GTK support':       gtk}
4246summary_info += {'pixman':            pixman}
4247summary_info += {'VTE support':       vte}
4248summary_info += {'slirp support':     slirp}
4249summary_info += {'libtasn1':          tasn1}
4250summary_info += {'PAM':               pam}
4251summary_info += {'iconv support':     iconv}
4252summary_info += {'curses support':    curses}
4253summary_info += {'virgl support':     virgl}
4254summary_info += {'blkio support':     blkio}
4255summary_info += {'curl support':      curl}
4256summary_info += {'Multipath support': mpathpersist}
4257summary_info += {'PNG support':       png}
4258summary_info += {'VNC support':       vnc}
4259if vnc.found()
4260  summary_info += {'VNC SASL support':  sasl}
4261  summary_info += {'VNC JPEG support':  jpeg}
4262endif
4263if targetos not in ['darwin', 'haiku', 'windows']
4264  summary_info += {'OSS support':     oss}
4265  summary_info += {'sndio support':   sndio}
4266elif targetos == 'darwin'
4267  summary_info += {'CoreAudio support': coreaudio}
4268elif targetos == 'windows'
4269  summary_info += {'DirectSound support': dsound}
4270endif
4271if targetos == 'linux'
4272  summary_info += {'ALSA support':    alsa}
4273  summary_info += {'PulseAudio support': pulse}
4274endif
4275summary_info += {'Pipewire support':   pipewire}
4276summary_info += {'JACK support':      jack}
4277summary_info += {'brlapi support':    brlapi}
4278summary_info += {'vde support':       vde}
4279summary_info += {'netmap support':    have_netmap}
4280summary_info += {'l2tpv3 support':    have_l2tpv3}
4281summary_info += {'Linux AIO support': libaio}
4282summary_info += {'Linux io_uring support': linux_io_uring}
4283summary_info += {'ATTR/XATTR support': libattr}
4284summary_info += {'RDMA support':      rdma}
4285summary_info += {'PVRDMA support':    have_pvrdma}
4286summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
4287summary_info += {'libcap-ng support': libcap_ng}
4288summary_info += {'bpf support':       libbpf}
4289summary_info += {'spice protocol support': spice_protocol}
4290if spice_protocol.found()
4291  summary_info += {'  spice server support': spice}
4292endif
4293summary_info += {'rbd support':       rbd}
4294summary_info += {'smartcard support': cacard}
4295summary_info += {'U2F support':       u2f}
4296summary_info += {'libusb':            libusb}
4297summary_info += {'usb net redir':     usbredir}
4298summary_info += {'OpenGL support (epoxy)': opengl}
4299summary_info += {'GBM':               gbm}
4300summary_info += {'libiscsi support':  libiscsi}
4301summary_info += {'libnfs support':    libnfs}
4302if targetos == 'windows'
4303  if have_ga
4304    summary_info += {'QGA VSS support':   have_qga_vss}
4305  endif
4306endif
4307summary_info += {'seccomp support':   seccomp}
4308summary_info += {'GlusterFS support': glusterfs}
4309summary_info += {'TPM support':       have_tpm}
4310summary_info += {'libssh support':    libssh}
4311summary_info += {'lzo support':       lzo}
4312summary_info += {'snappy support':    snappy}
4313summary_info += {'bzip2 support':     libbzip2}
4314summary_info += {'lzfse support':     liblzfse}
4315summary_info += {'zstd support':      zstd}
4316summary_info += {'NUMA host support': numa}
4317summary_info += {'capstone':          capstone}
4318summary_info += {'libpmem support':   libpmem}
4319summary_info += {'libdaxctl support': libdaxctl}
4320summary_info += {'libudev':           libudev}
4321# Dummy dependency, keep .found()
4322summary_info += {'FUSE lseek':        fuse_lseek.found()}
4323summary_info += {'selinux':           selinux}
4324summary_info += {'libdw':             libdw}
4325summary(summary_info, bool_yn: true, section: 'Dependencies')
4326
4327if not supported_cpus.contains(cpu)
4328  message()
4329  warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4330  message()
4331  message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4332  message('The QEMU project intends to remove support for this host CPU in')
4333  message('a future release if nobody volunteers to maintain it and to')
4334  message('provide a build host for our continuous integration setup.')
4335  message('configure has succeeded and you can continue to build, but')
4336  message('if you care about QEMU on this platform you should contact')
4337  message('us upstream at qemu-devel@nongnu.org.')
4338endif
4339
4340if not supported_oses.contains(targetos)
4341  message()
4342  warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4343  message()
4344  message('Host OS ' + targetos + 'support is not currently maintained.')
4345  message('The QEMU project intends to remove support for this host OS in')
4346  message('a future release if nobody volunteers to maintain it and to')
4347  message('provide a build host for our continuous integration setup.')
4348  message('configure has succeeded and you can continue to build, but')
4349  message('if you care about QEMU on this platform you should contact')
4350  message('us upstream at qemu-devel@nongnu.org.')
4351endif
4352