xref: /openbmc/qemu/meson.build (revision 40b89515)
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
1095if targetos == 'linux' and have_tools and get_option('mpath').allowed()
1096  mpath_test_source = '''
1097    #include <libudev.h>
1098    #include <mpath_persist.h>
1099    unsigned mpath_mx_alloc_len = 1024;
1100    int logsink;
1101    static struct config *multipath_conf;
1102    extern struct udev *udev;
1103    extern struct config *get_multipath_config(void);
1104    extern void put_multipath_config(struct config *conf);
1105    struct udev *udev;
1106    struct config *get_multipath_config(void) { return multipath_conf; }
1107    void put_multipath_config(struct config *conf) { }
1108    int main(void) {
1109        udev = udev_new();
1110        multipath_conf = mpath_lib_init();
1111        return 0;
1112    }'''
1113  libmpathpersist = cc.find_library('mpathpersist',
1114                                    required: get_option('mpath'))
1115  if libmpathpersist.found()
1116    mpathlibs += libmpathpersist
1117    if get_option('prefer_static')
1118      mpathlibs += cc.find_library('devmapper',
1119                                     required: get_option('mpath'))
1120    endif
1121    mpathlibs += cc.find_library('multipath',
1122                                 required: get_option('mpath'))
1123    foreach lib: mpathlibs
1124      if not lib.found()
1125        mpathlibs = []
1126        break
1127      endif
1128    endforeach
1129    if mpathlibs.length() == 0
1130      msg = 'Dependencies missing for libmpathpersist'
1131    elif cc.links(mpath_test_source, dependencies: mpathlibs)
1132      mpathpersist = declare_dependency(dependencies: mpathlibs)
1133    else
1134      msg = 'Cannot detect libmpathpersist API'
1135    endif
1136    if not mpathpersist.found()
1137      if get_option('mpath').enabled()
1138        error(msg)
1139      else
1140        warning(msg + ', disabling')
1141      endif
1142    endif
1143  endif
1144endif
1145
1146iconv = not_found
1147curses = not_found
1148if have_system and get_option('curses').allowed()
1149  curses_test = '''
1150    #if defined(__APPLE__) || defined(__OpenBSD__)
1151    #define _XOPEN_SOURCE_EXTENDED 1
1152    #endif
1153    #include <locale.h>
1154    #include <curses.h>
1155    #include <wchar.h>
1156    int main(void) {
1157      wchar_t wch = L'w';
1158      setlocale(LC_ALL, "");
1159      resize_term(0, 0);
1160      addwstr(L"wide chars\n");
1161      addnwstr(&wch, 1);
1162      add_wch(WACS_DEGREE);
1163      return 0;
1164    }'''
1165
1166  curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1167  curses = dependency(curses_dep_list,
1168                      required: false,
1169                      method: 'pkg-config')
1170  msg = get_option('curses').enabled() ? 'curses library not found' : ''
1171  curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1172  if curses.found()
1173    if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1174      curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1175                                  version: curses.version())
1176    else
1177      msg = 'curses package not usable'
1178      curses = not_found
1179    endif
1180  endif
1181  if not curses.found()
1182    has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1183    if targetos != 'windows' and not has_curses_h
1184      message('Trying with /usr/include/ncursesw')
1185      curses_compile_args += ['-I/usr/include/ncursesw']
1186      has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1187    endif
1188    if has_curses_h
1189      curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1190      foreach curses_libname : curses_libname_list
1191        libcurses = cc.find_library(curses_libname,
1192                                    required: false)
1193        if libcurses.found()
1194          if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1195            curses = declare_dependency(compile_args: curses_compile_args,
1196                                        dependencies: [libcurses])
1197            break
1198          else
1199            msg = 'curses library not usable'
1200          endif
1201        endif
1202      endforeach
1203    endif
1204  endif
1205  if get_option('iconv').allowed()
1206    foreach link_args : [ ['-liconv'], [] ]
1207      # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1208      # We need to use libiconv if available because mixing libiconv's headers with
1209      # the system libc does not work.
1210      # However, without adding glib to the dependencies -L/usr/local/lib will not be
1211      # included in the command line and libiconv will not be found.
1212      if cc.links('''
1213        #include <iconv.h>
1214        int main(void) {
1215          iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1216          return conv != (iconv_t) -1;
1217        }''', args: link_args, dependencies: glib)
1218        iconv = declare_dependency(link_args: link_args, dependencies: glib)
1219        break
1220      endif
1221    endforeach
1222  endif
1223  if curses.found() and not iconv.found()
1224    if get_option('iconv').enabled()
1225      error('iconv not available')
1226    endif
1227    msg = 'iconv required for curses UI but not available'
1228    curses = not_found
1229  endif
1230  if not curses.found() and msg != ''
1231    if get_option('curses').enabled()
1232      error(msg)
1233    else
1234      warning(msg + ', disabling')
1235    endif
1236  endif
1237endif
1238
1239brlapi = not_found
1240if not get_option('brlapi').auto() or have_system
1241  brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1242                         required: get_option('brlapi'))
1243  if brlapi.found() and not cc.links('''
1244     #include <brlapi.h>
1245     #include <stddef.h>
1246     int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1247    brlapi = not_found
1248    if get_option('brlapi').enabled()
1249      error('could not link brlapi')
1250    else
1251      warning('could not link brlapi, disabling')
1252    endif
1253  endif
1254endif
1255
1256sdl = not_found
1257if not get_option('sdl').auto() or have_system
1258  sdl = dependency('sdl2', required: get_option('sdl'))
1259  sdl_image = not_found
1260endif
1261if sdl.found()
1262  # Some versions of SDL have problems with -Wundef
1263  if not cc.compiles('''
1264                     #include <SDL.h>
1265                     #include <SDL_syswm.h>
1266                     int main(int argc, char *argv[]) { return 0; }
1267                     ''', dependencies: sdl, args: '-Werror=undef')
1268    sdl = declare_dependency(compile_args: '-Wno-undef',
1269                             dependencies: sdl,
1270                             version: sdl.version())
1271  endif
1272  sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1273                         method: 'pkg-config')
1274else
1275  if get_option('sdl_image').enabled()
1276    error('sdl-image required, but SDL was @0@'.format(
1277          get_option('sdl').disabled() ? 'disabled' : 'not found'))
1278  endif
1279  sdl_image = not_found
1280endif
1281
1282rbd = not_found
1283if not get_option('rbd').auto() or have_block
1284  librados = cc.find_library('rados', required: get_option('rbd'))
1285  librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1286                           required: get_option('rbd'))
1287  if librados.found() and librbd.found()
1288    if cc.links('''
1289      #include <stdio.h>
1290      #include <rbd/librbd.h>
1291      int main(void) {
1292        rados_t cluster;
1293        rados_create(&cluster, NULL);
1294        #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1295        #error
1296        #endif
1297        return 0;
1298      }''', dependencies: [librbd, librados])
1299      rbd = declare_dependency(dependencies: [librbd, librados])
1300    elif get_option('rbd').enabled()
1301      error('librbd >= 1.12.0 required')
1302    else
1303      warning('librbd >= 1.12.0 not found, disabling')
1304    endif
1305  endif
1306endif
1307
1308glusterfs = not_found
1309glusterfs_ftruncate_has_stat = false
1310glusterfs_iocb_has_stat = false
1311if not get_option('glusterfs').auto() or have_block
1312  glusterfs = dependency('glusterfs-api', version: '>=3',
1313                         required: get_option('glusterfs'),
1314                         method: 'pkg-config')
1315  if glusterfs.found()
1316    glusterfs_ftruncate_has_stat = cc.links('''
1317      #include <glusterfs/api/glfs.h>
1318
1319      int
1320      main(void)
1321      {
1322          /* new glfs_ftruncate() passes two additional args */
1323          return glfs_ftruncate(NULL, 0, NULL, NULL);
1324      }
1325    ''', dependencies: glusterfs)
1326    glusterfs_iocb_has_stat = cc.links('''
1327      #include <glusterfs/api/glfs.h>
1328
1329      /* new glfs_io_cbk() passes two additional glfs_stat structs */
1330      static void
1331      glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1332      {}
1333
1334      int
1335      main(void)
1336      {
1337          glfs_io_cbk iocb = &glusterfs_iocb;
1338          iocb(NULL, 0 , NULL, NULL, NULL);
1339          return 0;
1340      }
1341    ''', dependencies: glusterfs)
1342  endif
1343endif
1344
1345libssh = not_found
1346if not get_option('libssh').auto() or have_block
1347  libssh = dependency('libssh', version: '>=0.8.7',
1348                    method: 'pkg-config',
1349                    required: get_option('libssh'))
1350endif
1351
1352libbzip2 = not_found
1353if not get_option('bzip2').auto() or have_block
1354  libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1355                             required: get_option('bzip2'))
1356  if libbzip2.found() and not cc.links('''
1357     #include <bzlib.h>
1358     int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1359    libbzip2 = not_found
1360    if get_option('bzip2').enabled()
1361      error('could not link libbzip2')
1362    else
1363      warning('could not link libbzip2, disabling')
1364    endif
1365  endif
1366endif
1367
1368liblzfse = not_found
1369if not get_option('lzfse').auto() or have_block
1370  liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1371                             required: get_option('lzfse'))
1372endif
1373if liblzfse.found() and not cc.links('''
1374   #include <lzfse.h>
1375   int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1376  liblzfse = not_found
1377  if get_option('lzfse').enabled()
1378    error('could not link liblzfse')
1379  else
1380    warning('could not link liblzfse, disabling')
1381  endif
1382endif
1383
1384oss = not_found
1385if get_option('oss').allowed() and have_system
1386  if not cc.has_header('sys/soundcard.h')
1387    # not found
1388  elif targetos == 'netbsd'
1389    oss = cc.find_library('ossaudio', required: get_option('oss'))
1390  else
1391    oss = declare_dependency()
1392  endif
1393
1394  if not oss.found()
1395    if get_option('oss').enabled()
1396      error('OSS not found')
1397    endif
1398  endif
1399endif
1400dsound = not_found
1401if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1402  if cc.has_header('dsound.h')
1403    dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1404  endif
1405
1406  if not dsound.found()
1407    if get_option('dsound').enabled()
1408      error('DirectSound not found')
1409    endif
1410  endif
1411endif
1412
1413coreaudio = not_found
1414if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1415  coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1416                         required: get_option('coreaudio'))
1417endif
1418
1419opengl = not_found
1420if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1421  epoxy = dependency('epoxy', method: 'pkg-config',
1422                      required: get_option('opengl'))
1423  if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1424    opengl = epoxy
1425  elif get_option('opengl').enabled()
1426    error('epoxy/egl.h not found')
1427  endif
1428endif
1429gbm = not_found
1430if (have_system or have_tools) and (virgl.found() or opengl.found())
1431  gbm = dependency('gbm', method: 'pkg-config', required: false)
1432endif
1433have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1434
1435gnutls = not_found
1436gnutls_crypto = not_found
1437if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1438  # For general TLS support our min gnutls matches
1439  # that implied by our platform support matrix
1440  #
1441  # For the crypto backends, we look for a newer
1442  # gnutls:
1443  #
1444  #   Version 3.6.8  is needed to get XTS
1445  #   Version 3.6.13 is needed to get PBKDF
1446  #   Version 3.6.14 is needed to get HW accelerated XTS
1447  #
1448  # If newer enough gnutls isn't available, we can
1449  # still use a different crypto backend to satisfy
1450  # the platform support requirements
1451  gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1452                             method: 'pkg-config',
1453                             required: false)
1454  if gnutls_crypto.found()
1455    gnutls = gnutls_crypto
1456  else
1457    # Our min version if all we need is TLS
1458    gnutls = dependency('gnutls', version: '>=3.5.18',
1459                        method: 'pkg-config',
1460                        required: get_option('gnutls'))
1461  endif
1462endif
1463
1464# We prefer use of gnutls for crypto, unless the options
1465# explicitly asked for nettle or gcrypt.
1466#
1467# If gnutls isn't available for crypto, then we'll prefer
1468# gcrypt over nettle for performance reasons.
1469gcrypt = not_found
1470nettle = not_found
1471hogweed = not_found
1472xts = 'none'
1473
1474if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1475  error('Only one of gcrypt & nettle can be enabled')
1476endif
1477
1478# Explicit nettle/gcrypt request, so ignore gnutls for crypto
1479if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1480  gnutls_crypto = not_found
1481endif
1482
1483if not gnutls_crypto.found()
1484  if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1485    gcrypt = dependency('libgcrypt', version: '>=1.8',
1486                        method: 'config-tool',
1487                        required: get_option('gcrypt'))
1488    # Debian has removed -lgpg-error from libgcrypt-config
1489    # as it "spreads unnecessary dependencies" which in
1490    # turn breaks static builds...
1491    if gcrypt.found() and get_option('prefer_static')
1492      gcrypt = declare_dependency(dependencies:
1493        [gcrypt,
1494         cc.find_library('gpg-error', required: true)],
1495        version: gcrypt.version())
1496    endif
1497  endif
1498  if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1499    nettle = dependency('nettle', version: '>=3.4',
1500                        method: 'pkg-config',
1501                        required: get_option('nettle'))
1502    if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1503      xts = 'private'
1504    endif
1505  endif
1506endif
1507
1508gmp = dependency('gmp', required: false, method: 'pkg-config')
1509if nettle.found() and gmp.found()
1510  hogweed = dependency('hogweed', version: '>=3.4',
1511                       method: 'pkg-config',
1512                       required: get_option('nettle'))
1513endif
1514
1515
1516gtk = not_found
1517gtkx11 = not_found
1518vte = not_found
1519have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1520
1521if not get_option('gtk').auto() or have_system
1522  gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1523                   method: 'pkg-config',
1524                   required: get_option('gtk'))
1525  if gtk.found()
1526    gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1527                        method: 'pkg-config',
1528                        required: false)
1529    gtk = declare_dependency(dependencies: [gtk, gtkx11],
1530                             version: gtk.version())
1531
1532    if not get_option('vte').auto() or have_system
1533      vte = dependency('vte-2.91',
1534                       method: 'pkg-config',
1535                       required: get_option('vte'))
1536    endif
1537  elif have_gtk_clipboard
1538    error('GTK clipboard requested, but GTK not found')
1539  endif
1540endif
1541
1542x11 = not_found
1543if gtkx11.found()
1544  x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1545endif
1546png = not_found
1547if get_option('png').allowed() and have_system
1548   png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1549                    method: 'pkg-config')
1550endif
1551vnc = not_found
1552jpeg = not_found
1553sasl = not_found
1554if get_option('vnc').allowed() and have_system
1555  vnc = declare_dependency() # dummy dependency
1556  jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1557                    method: 'pkg-config')
1558  sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1559                         required: get_option('vnc_sasl'))
1560  if sasl.found()
1561    sasl = declare_dependency(dependencies: sasl,
1562                              compile_args: '-DSTRUCT_IOVEC_DEFINED')
1563  endif
1564endif
1565
1566pam = not_found
1567if not get_option('auth_pam').auto() or have_system
1568  pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1569                        required: get_option('auth_pam'))
1570endif
1571if pam.found() and not cc.links('''
1572   #include <stddef.h>
1573   #include <security/pam_appl.h>
1574   int main(void) {
1575     const char *service_name = "qemu";
1576     const char *user = "frank";
1577     const struct pam_conv pam_conv = { 0 };
1578     pam_handle_t *pamh = NULL;
1579     pam_start(service_name, user, &pam_conv, &pamh);
1580     return 0;
1581   }''', dependencies: pam)
1582  pam = not_found
1583  if get_option('auth_pam').enabled()
1584    error('could not link libpam')
1585  else
1586    warning('could not link libpam, disabling')
1587  endif
1588endif
1589
1590snappy = not_found
1591if not get_option('snappy').auto() or have_system
1592  snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1593                           required: get_option('snappy'))
1594endif
1595if snappy.found() and not linker.links('''
1596   #include <snappy-c.h>
1597   int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1598  snappy = not_found
1599  if get_option('snappy').enabled()
1600    error('could not link libsnappy')
1601  else
1602    warning('could not link libsnappy, disabling')
1603  endif
1604endif
1605
1606lzo = not_found
1607if not get_option('lzo').auto() or have_system
1608  lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1609                        required: get_option('lzo'))
1610endif
1611if lzo.found() and not cc.links('''
1612   #include <lzo/lzo1x.h>
1613   int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1614  lzo = not_found
1615  if get_option('lzo').enabled()
1616    error('could not link liblzo2')
1617  else
1618    warning('could not link liblzo2, disabling')
1619  endif
1620endif
1621
1622numa = not_found
1623if not get_option('numa').auto() or have_system or have_tools
1624  numa = cc.find_library('numa', has_headers: ['numa.h'],
1625                              required: get_option('numa'))
1626endif
1627if numa.found() and not cc.links('''
1628   #include <numa.h>
1629   int main(void) { return numa_available(); }
1630   ''', dependencies: numa)
1631  numa = not_found
1632  if get_option('numa').enabled()
1633    error('could not link numa')
1634  else
1635    warning('could not link numa, disabling')
1636  endif
1637endif
1638
1639rdma = not_found
1640if not get_option('rdma').auto() or have_system
1641  libumad = cc.find_library('ibumad', required: get_option('rdma'))
1642  rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1643                               required: get_option('rdma')),
1644               cc.find_library('ibverbs', required: get_option('rdma')),
1645               libumad]
1646  rdma = declare_dependency(dependencies: rdma_libs)
1647  foreach lib: rdma_libs
1648    if not lib.found()
1649      rdma = not_found
1650    endif
1651  endforeach
1652endif
1653
1654xen = not_found
1655if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1656  xencontrol = dependency('xencontrol', required: false,
1657                          method: 'pkg-config')
1658  if xencontrol.found()
1659    xen_pc = declare_dependency(version: xencontrol.version(),
1660      dependencies: [
1661        xencontrol,
1662        # disabler: true makes xen_pc.found() return false if any is not found
1663        dependency('xenstore', required: false,
1664                   method: 'pkg-config',
1665                   disabler: true),
1666        dependency('xenforeignmemory', required: false,
1667                   method: 'pkg-config',
1668                   disabler: true),
1669        dependency('xengnttab', required: false,
1670                   method: 'pkg-config',
1671                   disabler: true),
1672        dependency('xenevtchn', required: false,
1673                   method: 'pkg-config',
1674                   disabler: true),
1675        dependency('xendevicemodel', required: false,
1676                   method: 'pkg-config',
1677                   disabler: true),
1678        # optional, no "disabler: true"
1679        dependency('xentoolcore', required: false,
1680                   method: 'pkg-config')])
1681    if xen_pc.found()
1682      xen = xen_pc
1683    endif
1684  endif
1685  if not xen.found()
1686    xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
1687    xen_libs = {
1688      '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1689      '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1690      '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1691      '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1692      '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1693    }
1694    xen_deps = {}
1695    foreach ver: xen_tests
1696      # cache the various library tests to avoid polluting the logs
1697      xen_test_deps = []
1698      foreach l: xen_libs[ver]
1699        if l not in xen_deps
1700          xen_deps += { l: cc.find_library(l, required: false) }
1701        endif
1702        xen_test_deps += xen_deps[l]
1703      endforeach
1704
1705      # Use -D to pick just one of the test programs in scripts/xen-detect.c
1706      xen_version = ver.split('.')
1707      xen_ctrl_version = xen_version[0] + \
1708        ('0' + xen_version[1]).substring(-2) + \
1709        ('0' + xen_version[2]).substring(-2)
1710      if cc.links(files('scripts/xen-detect.c'),
1711                  args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1712                  dependencies: xen_test_deps)
1713        xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1714        break
1715      endif
1716    endforeach
1717  endif
1718  if xen.found()
1719    accelerators += 'CONFIG_XEN'
1720  elif get_option('xen').enabled()
1721    error('could not compile and link Xen test program')
1722  endif
1723endif
1724have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1725  .require(xen.found(),
1726           error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1727  .require(targetos == 'linux',
1728           error_message: 'Xen PCI passthrough not available on this platform') \
1729  .allowed()
1730
1731
1732cacard = not_found
1733if not get_option('smartcard').auto() or have_system
1734  cacard = dependency('libcacard', required: get_option('smartcard'),
1735                      version: '>=2.5.1', method: 'pkg-config')
1736endif
1737u2f = not_found
1738if have_system
1739  u2f = dependency('u2f-emu', required: get_option('u2f'),
1740                   method: 'pkg-config')
1741endif
1742canokey = not_found
1743if have_system
1744  canokey = dependency('canokey-qemu', required: get_option('canokey'),
1745                   method: 'pkg-config')
1746endif
1747usbredir = not_found
1748if not get_option('usb_redir').auto() or have_system
1749  usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1750                        version: '>=0.6', method: 'pkg-config')
1751endif
1752libusb = not_found
1753if not get_option('libusb').auto() or have_system
1754  libusb = dependency('libusb-1.0', required: get_option('libusb'),
1755                      version: '>=1.0.13', method: 'pkg-config')
1756endif
1757
1758libpmem = not_found
1759if not get_option('libpmem').auto() or have_system
1760  libpmem = dependency('libpmem', required: get_option('libpmem'),
1761                       method: 'pkg-config')
1762endif
1763libdaxctl = not_found
1764if not get_option('libdaxctl').auto() or have_system
1765  libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1766                         version: '>=57', method: 'pkg-config')
1767endif
1768tasn1 = not_found
1769if gnutls.found()
1770  tasn1 = dependency('libtasn1',
1771                     method: 'pkg-config')
1772endif
1773keyutils = not_found
1774if get_option('keyring').enabled()
1775  keyutils = dependency('libkeyutils', required: false, method: 'pkg-config')
1776endif
1777
1778has_gettid = cc.has_function('gettid')
1779
1780# libselinux
1781selinux = dependency('libselinux',
1782                     required: get_option('selinux'),
1783                     method: 'pkg-config')
1784
1785# Malloc tests
1786
1787malloc = []
1788if get_option('malloc') == 'system'
1789  has_malloc_trim = \
1790    get_option('malloc_trim').allowed() and \
1791    cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1792else
1793  has_malloc_trim = false
1794  malloc = cc.find_library(get_option('malloc'), required: true)
1795endif
1796if not has_malloc_trim and get_option('malloc_trim').enabled()
1797  if get_option('malloc') == 'system'
1798    error('malloc_trim not available on this platform.')
1799  else
1800    error('malloc_trim not available with non-libc memory allocator')
1801  endif
1802endif
1803
1804gnu_source_prefix = '''
1805  #ifndef _GNU_SOURCE
1806  #define _GNU_SOURCE
1807  #endif
1808'''
1809
1810# Check whether the glibc provides STATX_BASIC_STATS
1811
1812has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1813
1814# Check whether statx() provides mount ID information
1815
1816has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1817
1818have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1819  .require(targetos == 'linux',
1820           error_message: 'vhost_user_blk_server requires linux') \
1821  .require(have_vhost_user,
1822           error_message: 'vhost_user_blk_server requires vhost-user support') \
1823  .disable_auto_if(not have_tools and not have_system) \
1824  .allowed()
1825
1826if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1827  error('Cannot enable fuse-lseek while fuse is disabled')
1828endif
1829
1830fuse = dependency('fuse3', required: get_option('fuse'),
1831                  version: '>=3.1', method: 'pkg-config')
1832
1833fuse_lseek = not_found
1834if get_option('fuse_lseek').allowed()
1835  if fuse.version().version_compare('>=3.8')
1836    # Dummy dependency
1837    fuse_lseek = declare_dependency()
1838  elif get_option('fuse_lseek').enabled()
1839    if fuse.found()
1840      error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1841    else
1842      error('fuse-lseek requires libfuse, which was not found')
1843    endif
1844  endif
1845endif
1846
1847have_libvduse = (targetos == 'linux')
1848if get_option('libvduse').enabled()
1849    if targetos != 'linux'
1850        error('libvduse requires linux')
1851    endif
1852elif get_option('libvduse').disabled()
1853    have_libvduse = false
1854endif
1855
1856have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1857if get_option('vduse_blk_export').enabled()
1858    if targetos != 'linux'
1859        error('vduse_blk_export requires linux')
1860    elif not have_libvduse
1861        error('vduse_blk_export requires libvduse support')
1862    endif
1863elif get_option('vduse_blk_export').disabled()
1864    have_vduse_blk_export = false
1865endif
1866
1867# libbpf
1868libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1869if libbpf.found() and not cc.links('''
1870   #include <bpf/libbpf.h>
1871   int main(void)
1872   {
1873     bpf_object__destroy_skeleton(NULL);
1874     return 0;
1875   }''', dependencies: libbpf)
1876  libbpf = not_found
1877  if get_option('bpf').enabled()
1878    error('libbpf skeleton test failed')
1879  else
1880    warning('libbpf skeleton test failed, disabling')
1881  endif
1882endif
1883
1884# libdw
1885libdw = not_found
1886if not get_option('libdw').auto() or \
1887        (not get_option('prefer_static') and (have_system or have_user))
1888    libdw = dependency('libdw',
1889                       method: 'pkg-config',
1890                       required: get_option('libdw'))
1891endif
1892
1893#################
1894# config-host.h #
1895#################
1896
1897audio_drivers_selected = []
1898if have_system
1899  audio_drivers_available = {
1900    'alsa': alsa.found(),
1901    'coreaudio': coreaudio.found(),
1902    'dsound': dsound.found(),
1903    'jack': jack.found(),
1904    'oss': oss.found(),
1905    'pa': pulse.found(),
1906    'pipewire': pipewire.found(),
1907    'sdl': sdl.found(),
1908    'sndio': sndio.found(),
1909  }
1910  foreach k, v: audio_drivers_available
1911    config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1912  endforeach
1913
1914  # Default to native drivers first, OSS second, SDL third
1915  audio_drivers_priority = \
1916    [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1917    (targetos == 'linux' ? [] : [ 'sdl' ])
1918  audio_drivers_default = []
1919  foreach k: audio_drivers_priority
1920    if audio_drivers_available[k]
1921      audio_drivers_default += k
1922    endif
1923  endforeach
1924
1925  foreach k: get_option('audio_drv_list')
1926    if k == 'default'
1927      audio_drivers_selected += audio_drivers_default
1928    elif not audio_drivers_available[k]
1929      error('Audio driver "@0@" not available.'.format(k))
1930    else
1931      audio_drivers_selected += k
1932    endif
1933  endforeach
1934endif
1935config_host_data.set('CONFIG_AUDIO_DRIVERS',
1936                     '"' + '", "'.join(audio_drivers_selected) + '", ')
1937
1938if get_option('cfi')
1939  cfi_flags=[]
1940  # Check for dependency on LTO
1941  if not get_option('b_lto')
1942    error('Selected Control-Flow Integrity but LTO is disabled')
1943  endif
1944  if enable_modules
1945    error('Selected Control-Flow Integrity is not compatible with modules')
1946  endif
1947  # Check for cfi flags. CFI requires LTO so we can't use
1948  # get_supported_arguments, but need a more complex "compiles" which allows
1949  # custom arguments
1950  if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1951                 args: ['-flto', '-fsanitize=cfi-icall'] )
1952    cfi_flags += '-fsanitize=cfi-icall'
1953  else
1954    error('-fsanitize=cfi-icall is not supported by the compiler')
1955  endif
1956  if cc.compiles('int main () { return 0; }',
1957                 name: '-fsanitize-cfi-icall-generalize-pointers',
1958                 args: ['-flto', '-fsanitize=cfi-icall',
1959                        '-fsanitize-cfi-icall-generalize-pointers'] )
1960    cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1961  else
1962    error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1963  endif
1964  if get_option('cfi_debug')
1965    if cc.compiles('int main () { return 0; }',
1966                   name: '-fno-sanitize-trap=cfi-icall',
1967                   args: ['-flto', '-fsanitize=cfi-icall',
1968                          '-fno-sanitize-trap=cfi-icall'] )
1969      cfi_flags += '-fno-sanitize-trap=cfi-icall'
1970    else
1971      error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1972    endif
1973  endif
1974  add_global_arguments(cfi_flags, native: false, language: all_languages)
1975  add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1976endif
1977
1978have_host_block_device = (targetos != 'darwin' or
1979    cc.has_header('IOKit/storage/IOMedia.h'))
1980
1981dbus_display = get_option('dbus_display') \
1982  .require(gio.version().version_compare('>=2.64'),
1983           error_message: '-display dbus requires glib>=2.64') \
1984  .require(gdbus_codegen.found(),
1985           error_message: gdbus_codegen_error.format('-display dbus')) \
1986  .require(targetos != 'windows',
1987           error_message: '-display dbus is not available on Windows') \
1988  .allowed()
1989
1990have_virtfs = get_option('virtfs') \
1991    .require(targetos == 'linux' or targetos == 'darwin',
1992             error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1993    .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1994             error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1995    .require(targetos == 'darwin' or libattr.found(),
1996             error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
1997    .disable_auto_if(not have_tools and not have_system) \
1998    .allowed()
1999
2000have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2001    .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2002    .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2003    .disable_auto_if(not have_tools) \
2004    .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2005    .allowed()
2006
2007if get_option('block_drv_ro_whitelist') == ''
2008  config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2009else
2010  config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2011        '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2012endif
2013if get_option('block_drv_rw_whitelist') == ''
2014  config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2015else
2016  config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2017        '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2018endif
2019
2020foreach k : get_option('trace_backends')
2021  config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2022endforeach
2023config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2024config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2025if iasl.found()
2026  config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2027endif
2028config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2029config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2030config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2031config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2032config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2033
2034qemu_firmwarepath = ''
2035foreach k : get_option('qemu_firmwarepath')
2036  qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2037endforeach
2038config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2039
2040config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2041config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2042config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2043config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2044config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2045config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2046
2047if enable_modules
2048  config_host_data.set('CONFIG_STAMP', run_command(
2049      meson.current_source_dir() / 'scripts/qemu-stamp.py',
2050      meson.project_version(), get_option('pkgversion'), '--',
2051      meson.current_source_dir() / 'configure',
2052      capture: true, check: true).stdout().strip())
2053endif
2054
2055have_slirp_smbd = get_option('slirp_smbd') \
2056  .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2057  .allowed()
2058if have_slirp_smbd
2059  smbd_path = get_option('smbd')
2060  if smbd_path == ''
2061    smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2062  endif
2063  config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2064endif
2065
2066config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2067
2068if get_option('module_upgrades') and not enable_modules
2069  error('Cannot enable module-upgrades as modules are not enabled')
2070endif
2071config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2072
2073config_host_data.set('CONFIG_ATTR', libattr.found())
2074config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2075config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2076config_host_data.set('CONFIG_COCOA', cocoa.found())
2077config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2078config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2079config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2080config_host_data.set('CONFIG_LZO', lzo.found())
2081config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2082config_host_data.set('CONFIG_BLKIO', blkio.found())
2083if blkio.found()
2084  config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2085                       blkio.version().version_compare('>=1.3.0'))
2086endif
2087config_host_data.set('CONFIG_CURL', curl.found())
2088config_host_data.set('CONFIG_CURSES', curses.found())
2089config_host_data.set('CONFIG_GBM', gbm.found())
2090config_host_data.set('CONFIG_GIO', gio.found())
2091config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2092if glusterfs.found()
2093  config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2094  config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2095  config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2096  config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2097  config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2098  config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2099endif
2100config_host_data.set('CONFIG_GTK', gtk.found())
2101config_host_data.set('CONFIG_VTE', vte.found())
2102config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2103config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2104config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2105config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2106config_host_data.set('CONFIG_EBPF', libbpf.found())
2107config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2108config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2109config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2110config_host_data.set('CONFIG_LIBSSH', libssh.found())
2111config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2112config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2113config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2114config_host_data.set('CONFIG_MODULES', enable_modules)
2115config_host_data.set('CONFIG_NUMA', numa.found())
2116if numa.found()
2117  config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2118                       cc.has_function('numa_has_preferred_many',
2119                                       dependencies: numa))
2120endif
2121config_host_data.set('CONFIG_OPENGL', opengl.found())
2122config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
2123config_host_data.set('CONFIG_RBD', rbd.found())
2124config_host_data.set('CONFIG_RDMA', rdma.found())
2125config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2126config_host_data.set('CONFIG_SDL', sdl.found())
2127config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2128config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2129if seccomp.found()
2130  config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2131endif
2132config_host_data.set('CONFIG_SNAPPY', snappy.found())
2133config_host_data.set('CONFIG_TPM', have_tpm)
2134config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2135config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2136config_host_data.set('CONFIG_VDE', vde.found())
2137config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2138config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2139config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2140config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2141config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2142config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2143config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2144config_host_data.set('CONFIG_VMNET', vmnet.found())
2145config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2146config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2147config_host_data.set('CONFIG_PNG', png.found())
2148config_host_data.set('CONFIG_VNC', vnc.found())
2149config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2150config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2151config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2152config_host_data.set('CONFIG_VTE', vte.found())
2153config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2154config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2155config_host_data.set('CONFIG_GETTID', has_gettid)
2156config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2157config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2158config_host_data.set('CONFIG_TASN1', tasn1.found())
2159config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2160config_host_data.set('CONFIG_NETTLE', nettle.found())
2161config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2162config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2163config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2164config_host_data.set('CONFIG_STATX', has_statx)
2165config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2166config_host_data.set('CONFIG_ZSTD', zstd.found())
2167config_host_data.set('CONFIG_FUSE', fuse.found())
2168config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2169config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2170if spice_protocol.found()
2171config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2172config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2173config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2174endif
2175config_host_data.set('CONFIG_SPICE', spice.found())
2176config_host_data.set('CONFIG_X11', x11.found())
2177config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2178config_host_data.set('CONFIG_CFI', get_option('cfi'))
2179config_host_data.set('CONFIG_SELINUX', selinux.found())
2180config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2181config_host_data.set('CONFIG_LIBDW', libdw.found())
2182if xen.found()
2183  # protect from xen.version() having less than three components
2184  xen_version = xen.version().split('.') + ['0', '0']
2185  xen_ctrl_version = xen_version[0] + \
2186    ('0' + xen_version[1]).substring(-2) + \
2187    ('0' + xen_version[2]).substring(-2)
2188  config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2189endif
2190config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2191config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2192config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2193config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2194
2195config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2196config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2197
2198have_coroutine_pool = get_option('coroutine_pool')
2199if get_option('debug_stack_usage') and have_coroutine_pool
2200  message('Disabling coroutine pool to measure stack usage')
2201  have_coroutine_pool = false
2202endif
2203config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2204config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2205config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2206config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2207config_host_data.set('CONFIG_GPROF', get_option('gprof'))
2208config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2209config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2210config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2211
2212# has_header
2213config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2214config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2215config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2216config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2217config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2218config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2219config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2220config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2221config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2222if targetos == 'windows'
2223  config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2224endif
2225
2226# has_function
2227config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2228config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2229config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2230config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2231config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2232config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2233# Note that we need to specify prefix: here to avoid incorrectly
2234# thinking that Windows has posix_memalign()
2235config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2236config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2237config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2238config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2239config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2240config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2241config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2242config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2243config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2244config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2245config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2246config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2247config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2248config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2249config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2250config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2251config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2252config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2253if rbd.found()
2254  config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2255                       cc.has_function('rbd_namespace_exists',
2256                                       dependencies: rbd,
2257                                       prefix: '#include <rbd/librbd.h>'))
2258endif
2259if rdma.found()
2260  config_host_data.set('HAVE_IBV_ADVISE_MR',
2261                       cc.has_function('ibv_advise_mr',
2262                                       dependencies: rdma,
2263                                       prefix: '#include <infiniband/verbs.h>'))
2264endif
2265
2266have_asan_fiber = false
2267if get_option('sanitizers') and \
2268   not cc.has_function('__sanitizer_start_switch_fiber',
2269                         args: '-fsanitize=address',
2270                         prefix: '#include <sanitizer/asan_interface.h>')
2271  warning('Missing ASAN due to missing fiber annotation interface')
2272  warning('Without code annotation, the report may be inferior.')
2273else
2274  have_asan_fiber = true
2275endif
2276config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2277
2278# has_header_symbol
2279config_host_data.set('CONFIG_BLKZONED',
2280                     cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2281config_host_data.set('CONFIG_EPOLL_CREATE1',
2282                     cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2283config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2284                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2285                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2286config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2287                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2288config_host_data.set('CONFIG_FIEMAP',
2289                     cc.has_header('linux/fiemap.h') and
2290                     cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2291config_host_data.set('CONFIG_GETRANDOM',
2292                     cc.has_function('getrandom') and
2293                     cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2294config_host_data.set('CONFIG_INOTIFY',
2295                     cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2296config_host_data.set('CONFIG_INOTIFY1',
2297                     cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2298config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2299                     cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2300config_host_data.set('CONFIG_RTNETLINK',
2301                     cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2302config_host_data.set('CONFIG_SYSMACROS',
2303                     cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2304config_host_data.set('HAVE_OPTRESET',
2305                     cc.has_header_symbol('getopt.h', 'optreset'))
2306config_host_data.set('HAVE_IPPROTO_MPTCP',
2307                     cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2308
2309# has_member
2310config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2311                     cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2312                                   prefix: '#include <signal.h>'))
2313config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2314                     cc.has_member('struct stat', 'st_atim',
2315                                   prefix: '#include <sys/stat.h>'))
2316config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2317                     cc.has_member('struct blk_zone', 'capacity',
2318                                   prefix: '#include <linux/blkzoned.h>'))
2319
2320# has_type
2321config_host_data.set('CONFIG_IOVEC',
2322                     cc.has_type('struct iovec',
2323                                 prefix: '#include <sys/uio.h>'))
2324config_host_data.set('HAVE_UTMPX',
2325                     cc.has_type('struct utmpx',
2326                                 prefix: '#include <utmpx.h>'))
2327
2328config_host_data.set('CONFIG_EVENTFD', cc.links('''
2329  #include <sys/eventfd.h>
2330  int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2331config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2332  #include <unistd.h>
2333  int main(void) {
2334  #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2335  return fdatasync(0);
2336  #else
2337  #error Not supported
2338  #endif
2339  }'''))
2340
2341has_madvise = cc.links(gnu_source_prefix + '''
2342  #include <sys/types.h>
2343  #include <sys/mman.h>
2344  #include <stddef.h>
2345  int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2346missing_madvise_proto = false
2347if has_madvise
2348  # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2349  # but forget to prototype it. In this case, has_madvise will be true (the
2350  # test program links despite a compile warning). To detect the
2351  # missing-prototype case, we try again with a definitely-bogus prototype.
2352  # This will only compile if the system headers don't provide the prototype;
2353  # otherwise the conflicting prototypes will cause a compiler error.
2354  missing_madvise_proto = cc.links(gnu_source_prefix + '''
2355    #include <sys/types.h>
2356    #include <sys/mman.h>
2357    #include <stddef.h>
2358    extern int madvise(int);
2359    int main(void) { return madvise(0); }''')
2360endif
2361config_host_data.set('CONFIG_MADVISE', has_madvise)
2362config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2363
2364config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2365  #include <sys/mman.h>
2366  int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2367config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2368  #include <fcntl.h>
2369  #if !defined(AT_EMPTY_PATH)
2370  # error missing definition
2371  #else
2372  int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2373  #endif'''))
2374config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2375  #include <sys/mman.h>
2376  #include <stddef.h>
2377  int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2378
2379config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2380  #include <pthread.h>
2381
2382  static void *f(void *p) { return NULL; }
2383  int main(void)
2384  {
2385    pthread_t thread;
2386    pthread_create(&thread, 0, f, 0);
2387    pthread_setname_np(thread, "QEMU");
2388    return 0;
2389  }''', dependencies: threads))
2390config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2391  #include <pthread.h>
2392
2393  static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2394  int main(void)
2395  {
2396    pthread_t thread;
2397    pthread_create(&thread, 0, f, 0);
2398    return 0;
2399  }''', dependencies: threads))
2400config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2401  #include <pthread.h>
2402  #include <pthread_np.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_set_name_np(thread, "QEMU");
2410    return 0;
2411  }''', dependencies: threads))
2412config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2413  #include <pthread.h>
2414  #include <time.h>
2415
2416  int main(void)
2417  {
2418    pthread_condattr_t attr
2419    pthread_condattr_init(&attr);
2420    pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2421    return 0;
2422  }''', dependencies: threads))
2423config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2424  #include <pthread.h>
2425
2426  static void *f(void *p) { return NULL; }
2427  int main(void)
2428  {
2429    int setsize = CPU_ALLOC_SIZE(64);
2430    pthread_t thread;
2431    cpu_set_t *cpuset;
2432    pthread_create(&thread, 0, f, 0);
2433    cpuset = CPU_ALLOC(64);
2434    CPU_ZERO_S(setsize, cpuset);
2435    pthread_setaffinity_np(thread, setsize, cpuset);
2436    pthread_getaffinity_np(thread, setsize, cpuset);
2437    CPU_FREE(cpuset);
2438    return 0;
2439  }''', dependencies: threads))
2440config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2441  #include <sys/signalfd.h>
2442  #include <stddef.h>
2443  int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2444config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2445  #include <unistd.h>
2446  #include <fcntl.h>
2447  #include <limits.h>
2448
2449  int main(void)
2450  {
2451    int len, fd = 0;
2452    len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2453    splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2454    return 0;
2455  }'''))
2456
2457config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2458  #include <sys/mman.h>
2459  int main(void) {
2460    return mlockall(MCL_FUTURE);
2461  }'''))
2462
2463have_l2tpv3 = false
2464if get_option('l2tpv3').allowed() and have_system
2465  have_l2tpv3 = cc.has_type('struct mmsghdr',
2466    prefix: gnu_source_prefix + '''
2467      #include <sys/socket.h>
2468      #include <linux/ip.h>''')
2469endif
2470config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2471
2472have_netmap = false
2473if get_option('netmap').allowed() and have_system
2474  have_netmap = cc.compiles('''
2475    #include <inttypes.h>
2476    #include <net/if.h>
2477    #include <net/netmap.h>
2478    #include <net/netmap_user.h>
2479    #if (NETMAP_API < 11) || (NETMAP_API > 15)
2480    #error
2481    #endif
2482    int main(void) { return 0; }''')
2483  if not have_netmap and get_option('netmap').enabled()
2484    error('Netmap headers not available')
2485  endif
2486endif
2487config_host_data.set('CONFIG_NETMAP', have_netmap)
2488
2489# Work around a system header bug with some kernel/XFS header
2490# versions where they both try to define 'struct fsxattr':
2491# xfs headers will not try to redefine structs from linux headers
2492# if this macro is set.
2493config_host_data.set('HAVE_FSXATTR', cc.links('''
2494  #include <linux/fs.h>
2495  struct fsxattr foo;
2496  int main(void) {
2497    return 0;
2498  }'''))
2499
2500# Some versions of Mac OS X incorrectly define SIZE_MAX
2501config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2502    #include <stdint.h>
2503    #include <stdio.h>
2504    int main(void) {
2505        return printf("%zu", SIZE_MAX);
2506    }''', args: ['-Werror']))
2507
2508# See if 64-bit atomic operations are supported.
2509# Note that without __atomic builtins, we can only
2510# assume atomic loads/stores max at pointer size.
2511config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2512  #include <stdint.h>
2513  int main(void)
2514  {
2515    uint64_t x = 0, y = 0;
2516    y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2517    __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2518    __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2519    __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2520    __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2521    return 0;
2522  }'''))
2523
2524has_int128_type = cc.compiles('''
2525  __int128_t a;
2526  __uint128_t b;
2527  int main(void) { b = a; }''')
2528config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2529
2530has_int128 = has_int128_type and cc.links('''
2531  __int128_t a;
2532  __uint128_t b;
2533  int main (void) {
2534    a = a + b;
2535    b = a * b;
2536    a = a * a;
2537    return 0;
2538  }''')
2539config_host_data.set('CONFIG_INT128', has_int128)
2540
2541if has_int128_type
2542  # "do we have 128-bit atomics which are handled inline and specifically not
2543  # via libatomic". The reason we can't use libatomic is documented in the
2544  # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2545  # We only care about these operations on 16-byte aligned pointers, so
2546  # force 16-byte alignment of the pointer, which may be greater than
2547  # __alignof(unsigned __int128) for the host.
2548  atomic_test_128 = '''
2549    int main(int ac, char **av) {
2550      __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2551      p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2552      __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2553      __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2554      return 0;
2555    }'''
2556  has_atomic128 = cc.links(atomic_test_128)
2557
2558  config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2559
2560  if not has_atomic128
2561    # Even with __builtin_assume_aligned, the above test may have failed
2562    # without optimization enabled.  Try again with optimizations locally
2563    # enabled for the function.  See
2564    #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2565    has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2566    config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2567
2568    if not has_atomic128_opt
2569      config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2570        int main(void)
2571        {
2572          __uint128_t x = 0, y = 0;
2573          __sync_val_compare_and_swap_16(&x, y, x);
2574          return 0;
2575        }
2576      '''))
2577    endif
2578  endif
2579endif
2580
2581config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2582  #include <sys/auxv.h>
2583  int main(void) {
2584    return getauxval(AT_HWCAP) == 0;
2585  }'''))
2586
2587config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2588  #include <linux/usbdevice_fs.h>
2589
2590  #ifndef USBDEVFS_GET_CAPABILITIES
2591  #error "USBDEVFS_GET_CAPABILITIES undefined"
2592  #endif
2593
2594  #ifndef USBDEVFS_DISCONNECT_CLAIM
2595  #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2596  #endif
2597
2598  int main(void) { return 0; }'''))
2599
2600have_keyring = get_option('keyring') \
2601  .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2602  .require(cc.compiles('''
2603    #include <errno.h>
2604    #include <asm/unistd.h>
2605    #include <linux/keyctl.h>
2606    #include <sys/syscall.h>
2607    #include <unistd.h>
2608    int main(void) {
2609        return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2610    }'''), error_message: 'keyctl syscall not available on this system').allowed()
2611config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2612
2613have_cpuid_h = cc.links('''
2614  #include <cpuid.h>
2615  int main(void) {
2616    unsigned a, b, c, d;
2617    unsigned max = __get_cpuid_max(0, 0);
2618
2619    if (max >= 1) {
2620        __cpuid(1, a, b, c, d);
2621    }
2622
2623    if (max >= 7) {
2624        __cpuid_count(7, 0, a, b, c, d);
2625    }
2626
2627    return 0;
2628  }''')
2629config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2630
2631config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2632  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2633  .require(cc.links('''
2634    #include <cpuid.h>
2635    #include <immintrin.h>
2636    static int __attribute__((target("avx2"))) bar(void *a) {
2637      __m256i x = *(__m256i *)a;
2638      return _mm256_testz_si256(x, x);
2639    }
2640    int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2641  '''), error_message: 'AVX2 not available').allowed())
2642
2643config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2644  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2645  .require(cc.links('''
2646    #include <cpuid.h>
2647    #include <immintrin.h>
2648    static int __attribute__((target("avx512f"))) bar(void *a) {
2649      __m512i x = *(__m512i *)a;
2650      return _mm512_test_epi64_mask(x, x);
2651    }
2652    int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2653  '''), error_message: 'AVX512F not available').allowed())
2654
2655config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2656  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2657  .require(cc.links('''
2658    #include <cpuid.h>
2659    #include <immintrin.h>
2660    static int __attribute__((target("avx512bw"))) bar(void *a) {
2661      __m512i *x = a;
2662      __m512i res= _mm512_abs_epi8(*x);
2663      return res[1];
2664    }
2665    int main(int argc, char *argv[]) { return bar(argv[0]); }
2666  '''), error_message: 'AVX512BW not available').allowed())
2667
2668have_pvrdma = get_option('pvrdma') \
2669  .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2670  .require(cc.compiles(gnu_source_prefix + '''
2671    #include <sys/mman.h>
2672    int main(void)
2673    {
2674      char buf = 0;
2675      void *addr = &buf;
2676      addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2677
2678      return 0;
2679    }'''), error_message: 'PVRDMA requires mremap').allowed()
2680
2681if have_pvrdma
2682  config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2683    #include <infiniband/verbs.h>
2684    int main(void)
2685    {
2686      struct ibv_mr *mr;
2687      struct ibv_pd *pd = NULL;
2688      size_t length = 10;
2689      uint64_t iova = 0;
2690      int access = 0;
2691      void *addr = NULL;
2692
2693      mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2694      ibv_dereg_mr(mr);
2695      return 0;
2696    }'''))
2697endif
2698
2699if get_option('membarrier').disabled()
2700  have_membarrier = false
2701elif targetos == 'windows'
2702  have_membarrier = true
2703elif targetos == 'linux'
2704  have_membarrier = cc.compiles('''
2705    #include <linux/membarrier.h>
2706    #include <sys/syscall.h>
2707    #include <unistd.h>
2708    #include <stdlib.h>
2709    int main(void) {
2710        syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2711        syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2712        exit(0);
2713    }''')
2714endif
2715config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2716  .require(have_membarrier, error_message: 'membarrier system call not available') \
2717  .allowed())
2718
2719have_afalg = get_option('crypto_afalg') \
2720  .require(cc.compiles(gnu_source_prefix + '''
2721    #include <errno.h>
2722    #include <sys/types.h>
2723    #include <sys/socket.h>
2724    #include <linux/if_alg.h>
2725    int main(void) {
2726      int sock;
2727      sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2728      return sock;
2729    }
2730  '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2731config_host_data.set('CONFIG_AF_ALG', have_afalg)
2732
2733config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2734  'linux/vm_sockets.h', 'AF_VSOCK',
2735  prefix: '#include <sys/socket.h>',
2736))
2737
2738have_vss = false
2739have_vss_sdk = false # old xp/2003 SDK
2740if targetos == 'windows' and link_language == 'cpp'
2741  have_vss = cxx.compiles('''
2742    #define __MIDL_user_allocate_free_DEFINED__
2743    #include <vss.h>
2744    int main(void) { return VSS_CTX_BACKUP; }''')
2745  have_vss_sdk = cxx.has_header('vscoordint.h')
2746endif
2747config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2748
2749foreach k, v: config_host
2750  if k.startswith('CONFIG_')
2751    config_host_data.set(k, v == 'y' ? 1 : v)
2752  endif
2753endforeach
2754
2755# Older versions of MinGW do not import _lock_file and _unlock_file properly.
2756# This was fixed for v6.0.0 with commit b48e3ac8969d.
2757if targetos == 'windows'
2758  config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2759    #include <stdio.h>
2760    int main(void) {
2761      _lock_file(NULL);
2762      _unlock_file(NULL);
2763      return 0;
2764    }''', name: '_lock_file and _unlock_file'))
2765endif
2766
2767if targetos == 'windows'
2768  mingw_has_setjmp_longjmp = cc.links('''
2769    #include <setjmp.h>
2770    int main(void) {
2771      /*
2772       * These functions are not available in setjmp header, but may be
2773       * available at link time, from libmingwex.a.
2774       */
2775      extern int __mingw_setjmp(jmp_buf);
2776      extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2777      jmp_buf env;
2778      __mingw_setjmp(env);
2779      __mingw_longjmp(env, 0);
2780    }
2781  ''', name: 'mingw setjmp and longjmp')
2782
2783  if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2784    error('mingw must provide setjmp/longjmp for windows-arm64')
2785  endif
2786endif
2787
2788########################
2789# Target configuration #
2790########################
2791
2792minikconf = find_program('scripts/minikconf.py')
2793config_all = {}
2794config_all_devices = {}
2795config_all_disas = {}
2796config_devices_mak_list = []
2797config_devices_h = {}
2798config_target_h = {}
2799config_target_mak = {}
2800
2801disassemblers = {
2802  'alpha' : ['CONFIG_ALPHA_DIS'],
2803  'avr' : ['CONFIG_AVR_DIS'],
2804  'cris' : ['CONFIG_CRIS_DIS'],
2805  'hexagon' : ['CONFIG_HEXAGON_DIS'],
2806  'hppa' : ['CONFIG_HPPA_DIS'],
2807  'i386' : ['CONFIG_I386_DIS'],
2808  'x86_64' : ['CONFIG_I386_DIS'],
2809  'm68k' : ['CONFIG_M68K_DIS'],
2810  'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2811  'mips' : ['CONFIG_MIPS_DIS'],
2812  'nios2' : ['CONFIG_NIOS2_DIS'],
2813  'or1k' : ['CONFIG_OPENRISC_DIS'],
2814  'ppc' : ['CONFIG_PPC_DIS'],
2815  'riscv' : ['CONFIG_RISCV_DIS'],
2816  'rx' : ['CONFIG_RX_DIS'],
2817  's390' : ['CONFIG_S390_DIS'],
2818  'sh4' : ['CONFIG_SH4_DIS'],
2819  'sparc' : ['CONFIG_SPARC_DIS'],
2820  'xtensa' : ['CONFIG_XTENSA_DIS'],
2821  'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2822}
2823
2824have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2825host_kconfig = \
2826  (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2827  (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2828  (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2829  (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2830  (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2831  (x11.found() ? ['CONFIG_X11=y'] : []) + \
2832  (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2833  (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2834  (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2835  (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2836  ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2837  (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2838  (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2839  (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2840
2841ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2842
2843default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2844actual_target_dirs = []
2845fdt_required = []
2846foreach target : target_dirs
2847  config_target = { 'TARGET_NAME': target.split('-')[0] }
2848  if target.endswith('linux-user')
2849    if targetos != 'linux'
2850      if default_targets
2851        continue
2852      endif
2853      error('Target @0@ is only available on a Linux host'.format(target))
2854    endif
2855    config_target += { 'CONFIG_LINUX_USER': 'y' }
2856  elif target.endswith('bsd-user')
2857    if 'CONFIG_BSD' not in config_host
2858      if default_targets
2859        continue
2860      endif
2861      error('Target @0@ is only available on a BSD host'.format(target))
2862    endif
2863    config_target += { 'CONFIG_BSD_USER': 'y' }
2864  elif target.endswith('softmmu')
2865    config_target += { 'CONFIG_SOFTMMU': 'y' }
2866  endif
2867  if target.endswith('-user')
2868    config_target += {
2869      'CONFIG_USER_ONLY': 'y',
2870      'CONFIG_QEMU_INTERP_PREFIX':
2871        get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2872    }
2873  endif
2874
2875  accel_kconfig = []
2876  foreach sym: accelerators
2877    if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2878      config_target += { sym: 'y' }
2879      config_all += { sym: 'y' }
2880      if target in modular_tcg
2881        config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2882      else
2883        config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2884      endif
2885      accel_kconfig += [ sym + '=y' ]
2886    endif
2887  endforeach
2888  if accel_kconfig.length() == 0
2889    if default_targets
2890      continue
2891    endif
2892    error('No accelerator available for target @0@'.format(target))
2893  endif
2894
2895  actual_target_dirs += target
2896  config_target += keyval.load('configs/targets' / target + '.mak')
2897  config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2898
2899  if 'TARGET_NEED_FDT' in config_target
2900    fdt_required += target
2901  endif
2902
2903  # Add default keys
2904  if 'TARGET_BASE_ARCH' not in config_target
2905    config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2906  endif
2907  if 'TARGET_ABI_DIR' not in config_target
2908    config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2909  endif
2910  if 'TARGET_BIG_ENDIAN' not in config_target
2911    config_target += {'TARGET_BIG_ENDIAN': 'n'}
2912  endif
2913
2914  foreach k, v: disassemblers
2915    if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2916      foreach sym: v
2917        config_target += { sym: 'y' }
2918        config_all_disas += { sym: 'y' }
2919      endforeach
2920    endif
2921  endforeach
2922
2923  config_target_data = configuration_data()
2924  foreach k, v: config_target
2925    if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2926      # do nothing
2927    elif ignored.contains(k)
2928      # do nothing
2929    elif k == 'TARGET_BASE_ARCH'
2930      # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2931      # not used to select files from sourcesets.
2932      config_target_data.set('TARGET_' + v.to_upper(), 1)
2933    elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2934      config_target_data.set_quoted(k, v)
2935    elif v == 'y'
2936      config_target_data.set(k, 1)
2937    elif v == 'n'
2938      config_target_data.set(k, 0)
2939    else
2940      config_target_data.set(k, v)
2941    endif
2942  endforeach
2943  config_target_data.set('QEMU_ARCH',
2944                         'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2945  config_target_h += {target: configure_file(output: target + '-config-target.h',
2946                                               configuration: config_target_data)}
2947
2948  if target.endswith('-softmmu')
2949    config_input = meson.get_external_property(target, 'default')
2950    config_devices_mak = target + '-config-devices.mak'
2951    config_devices_mak = configure_file(
2952      input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2953      output: config_devices_mak,
2954      depfile: config_devices_mak + '.d',
2955      capture: true,
2956      command: [minikconf,
2957                get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2958                config_devices_mak, '@DEPFILE@', '@INPUT@',
2959                host_kconfig, accel_kconfig,
2960                'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2961
2962    config_devices_data = configuration_data()
2963    config_devices = keyval.load(config_devices_mak)
2964    foreach k, v: config_devices
2965      config_devices_data.set(k, 1)
2966    endforeach
2967    config_devices_mak_list += config_devices_mak
2968    config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2969                                                configuration: config_devices_data)}
2970    config_target += config_devices
2971    config_all_devices += config_devices
2972  endif
2973  config_target_mak += {target: config_target}
2974endforeach
2975target_dirs = actual_target_dirs
2976
2977# This configuration is used to build files that are shared by
2978# multiple binaries, and then extracted out of the "common"
2979# static_library target.
2980#
2981# We do not use all_sources()/all_dependencies(), because it would
2982# build literally all source files, including devices only used by
2983# targets that are not built for this compilation.  The CONFIG_ALL
2984# pseudo symbol replaces it.
2985
2986config_all += config_all_devices
2987config_all += config_host
2988config_all += config_all_disas
2989config_all += {
2990  'CONFIG_XEN': xen.found(),
2991  'CONFIG_SOFTMMU': have_system,
2992  'CONFIG_USER_ONLY': have_user,
2993  'CONFIG_ALL': true,
2994}
2995
2996target_configs_h = []
2997foreach target: target_dirs
2998  target_configs_h += config_target_h[target]
2999  target_configs_h += config_devices_h.get(target, [])
3000endforeach
3001genh += custom_target('config-poison.h',
3002                      input: [target_configs_h],
3003                      output: 'config-poison.h',
3004                      capture: true,
3005                      command: [find_program('scripts/make-config-poison.sh'),
3006                                target_configs_h])
3007
3008##############
3009# Submodules #
3010##############
3011
3012capstone = not_found
3013if not get_option('capstone').auto() or have_system or have_user
3014  capstone = dependency('capstone', version: '>=3.0.5',
3015                        method: 'pkg-config',
3016                        required: get_option('capstone'))
3017
3018  # Some versions of capstone have broken pkg-config file
3019  # that reports a wrong -I path, causing the #include to
3020  # fail later. If the system has such a broken version
3021  # do not use it.
3022  if capstone.found() and not cc.compiles('#include <capstone.h>',
3023                                          dependencies: [capstone])
3024    capstone = not_found
3025    if get_option('capstone').enabled()
3026      error('capstone requested, but it does not appear to work')
3027    endif
3028  endif
3029endif
3030
3031libvfio_user_dep = not_found
3032if have_system and vfio_user_server_allowed
3033  libvfio_user_proj = subproject('libvfio-user', required: true)
3034  libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3035endif
3036
3037fdt = not_found
3038fdt_opt = get_option('fdt')
3039if fdt_required.length() > 0 or fdt_opt == 'enabled'
3040  if fdt_opt == 'disabled'
3041    error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3042  endif
3043
3044  if fdt_opt in ['enabled', 'auto', 'system']
3045    fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3046    if fdt.found() and cc.links('''
3047       #include <libfdt.h>
3048       #include <libfdt_env.h>
3049       int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3050         dependencies: fdt)
3051      fdt_opt = 'system'
3052    elif fdt_opt == 'system'
3053       error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3054    else
3055      fdt_opt = 'internal'
3056      fdt = not_found
3057    endif
3058  endif
3059  if not fdt.found()
3060    assert(fdt_opt == 'internal')
3061    libfdt_proj = subproject('dtc', required: true,
3062                             default_options: ['tools=false',  'yaml=disabled',
3063                                               'python=disabled', 'default_library=static'])
3064    fdt = libfdt_proj.get_variable('libfdt_dep')
3065  endif
3066else
3067  fdt_opt = 'disabled'
3068endif
3069
3070config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3071config_host_data.set('CONFIG_FDT', fdt.found())
3072config_host_data.set('CONFIG_SLIRP', slirp.found())
3073
3074#####################
3075# Generated sources #
3076#####################
3077
3078genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3079
3080hxtool = find_program('scripts/hxtool')
3081shaderinclude = find_program('scripts/shaderinclude.py')
3082qapi_gen = find_program('scripts/qapi-gen.py')
3083qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3084                     meson.current_source_dir() / 'scripts/qapi/commands.py',
3085                     meson.current_source_dir() / 'scripts/qapi/common.py',
3086                     meson.current_source_dir() / 'scripts/qapi/error.py',
3087                     meson.current_source_dir() / 'scripts/qapi/events.py',
3088                     meson.current_source_dir() / 'scripts/qapi/expr.py',
3089                     meson.current_source_dir() / 'scripts/qapi/gen.py',
3090                     meson.current_source_dir() / 'scripts/qapi/introspect.py',
3091                     meson.current_source_dir() / 'scripts/qapi/main.py',
3092                     meson.current_source_dir() / 'scripts/qapi/parser.py',
3093                     meson.current_source_dir() / 'scripts/qapi/schema.py',
3094                     meson.current_source_dir() / 'scripts/qapi/source.py',
3095                     meson.current_source_dir() / 'scripts/qapi/types.py',
3096                     meson.current_source_dir() / 'scripts/qapi/visit.py',
3097                     meson.current_source_dir() / 'scripts/qapi-gen.py'
3098]
3099
3100tracetool = [
3101  python, files('scripts/tracetool.py'),
3102   '--backend=' + ','.join(get_option('trace_backends'))
3103]
3104tracetool_depends = files(
3105  'scripts/tracetool/backend/log.py',
3106  'scripts/tracetool/backend/__init__.py',
3107  'scripts/tracetool/backend/dtrace.py',
3108  'scripts/tracetool/backend/ftrace.py',
3109  'scripts/tracetool/backend/simple.py',
3110  'scripts/tracetool/backend/syslog.py',
3111  'scripts/tracetool/backend/ust.py',
3112  'scripts/tracetool/format/ust_events_c.py',
3113  'scripts/tracetool/format/ust_events_h.py',
3114  'scripts/tracetool/format/__init__.py',
3115  'scripts/tracetool/format/d.py',
3116  'scripts/tracetool/format/simpletrace_stap.py',
3117  'scripts/tracetool/format/c.py',
3118  'scripts/tracetool/format/h.py',
3119  'scripts/tracetool/format/log_stap.py',
3120  'scripts/tracetool/format/stap.py',
3121  'scripts/tracetool/__init__.py',
3122  'scripts/tracetool/vcpu.py'
3123)
3124
3125qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3126                    meson.current_source_dir(),
3127                    get_option('pkgversion'), meson.project_version()]
3128qemu_version = custom_target('qemu-version.h',
3129                             output: 'qemu-version.h',
3130                             command: qemu_version_cmd,
3131                             capture: true,
3132                             build_by_default: true,
3133                             build_always_stale: true)
3134genh += qemu_version
3135
3136hxdep = []
3137hx_headers = [
3138  ['qemu-options.hx', 'qemu-options.def'],
3139  ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3140]
3141if have_system
3142  hx_headers += [
3143    ['hmp-commands.hx', 'hmp-commands.h'],
3144    ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3145  ]
3146endif
3147foreach d : hx_headers
3148  hxdep += custom_target(d[1],
3149                input: files(d[0]),
3150                output: d[1],
3151                capture: true,
3152                build_by_default: true, # to be removed when added to a target
3153                command: [hxtool, '-h', '@INPUT0@'])
3154endforeach
3155genh += hxdep
3156
3157###################
3158# Collect sources #
3159###################
3160
3161authz_ss = ss.source_set()
3162blockdev_ss = ss.source_set()
3163block_ss = ss.source_set()
3164chardev_ss = ss.source_set()
3165common_ss = ss.source_set()
3166crypto_ss = ss.source_set()
3167hwcore_ss = ss.source_set()
3168io_ss = ss.source_set()
3169qmp_ss = ss.source_set()
3170qom_ss = ss.source_set()
3171softmmu_ss = ss.source_set()
3172specific_fuzz_ss = ss.source_set()
3173specific_ss = ss.source_set()
3174stub_ss = ss.source_set()
3175trace_ss = ss.source_set()
3176user_ss = ss.source_set()
3177util_ss = ss.source_set()
3178
3179# accel modules
3180qtest_module_ss = ss.source_set()
3181tcg_module_ss = ss.source_set()
3182
3183modules = {}
3184target_modules = {}
3185hw_arch = {}
3186target_arch = {}
3187target_softmmu_arch = {}
3188target_user_arch = {}
3189
3190###############
3191# Trace files #
3192###############
3193
3194# TODO: add each directory to the subdirs from its own meson.build, once
3195# we have those
3196trace_events_subdirs = [
3197  'crypto',
3198  'qapi',
3199  'qom',
3200  'monitor',
3201  'util',
3202  'gdbstub',
3203]
3204if have_linux_user
3205  trace_events_subdirs += [ 'linux-user' ]
3206endif
3207if have_bsd_user
3208  trace_events_subdirs += [ 'bsd-user' ]
3209endif
3210if have_block
3211  trace_events_subdirs += [
3212    'authz',
3213    'block',
3214    'io',
3215    'nbd',
3216    'scsi',
3217  ]
3218endif
3219if have_system
3220  trace_events_subdirs += [
3221    'accel/kvm',
3222    'audio',
3223    'backends',
3224    'backends/tpm',
3225    'chardev',
3226    'ebpf',
3227    'hw/9pfs',
3228    'hw/acpi',
3229    'hw/adc',
3230    'hw/alpha',
3231    'hw/arm',
3232    'hw/audio',
3233    'hw/block',
3234    'hw/block/dataplane',
3235    'hw/char',
3236    'hw/display',
3237    'hw/dma',
3238    'hw/hyperv',
3239    'hw/i2c',
3240    'hw/i386',
3241    'hw/i386/xen',
3242    'hw/i386/kvm',
3243    'hw/ide',
3244    'hw/input',
3245    'hw/intc',
3246    'hw/isa',
3247    'hw/mem',
3248    'hw/mips',
3249    'hw/misc',
3250    'hw/misc/macio',
3251    'hw/net',
3252    'hw/net/can',
3253    'hw/nubus',
3254    'hw/nvme',
3255    'hw/nvram',
3256    'hw/pci',
3257    'hw/pci-host',
3258    'hw/ppc',
3259    'hw/rdma',
3260    'hw/rdma/vmw',
3261    'hw/rtc',
3262    'hw/s390x',
3263    'hw/scsi',
3264    'hw/sd',
3265    'hw/sh4',
3266    'hw/sparc',
3267    'hw/sparc64',
3268    'hw/ssi',
3269    'hw/timer',
3270    'hw/tpm',
3271    'hw/usb',
3272    'hw/vfio',
3273    'hw/virtio',
3274    'hw/watchdog',
3275    'hw/xen',
3276    'hw/gpio',
3277    'migration',
3278    'net',
3279    'softmmu',
3280    'ui',
3281    'hw/remote',
3282  ]
3283endif
3284if have_system or have_user
3285  trace_events_subdirs += [
3286    'accel/tcg',
3287    'hw/core',
3288    'target/arm',
3289    'target/arm/hvf',
3290    'target/hppa',
3291    'target/i386',
3292    'target/i386/kvm',
3293    'target/mips/tcg',
3294    'target/nios2',
3295    'target/ppc',
3296    'target/riscv',
3297    'target/s390x',
3298    'target/s390x/kvm',
3299    'target/sparc',
3300  ]
3301endif
3302
3303vhost_user = not_found
3304if targetos == 'linux' and have_vhost_user
3305  libvhost_user = subproject('libvhost-user')
3306  vhost_user = libvhost_user.get_variable('vhost_user_dep')
3307endif
3308
3309libvduse = not_found
3310if have_libvduse
3311  libvduse_proj = subproject('libvduse')
3312  libvduse = libvduse_proj.get_variable('libvduse_dep')
3313endif
3314
3315# NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3316# that is filled in by qapi/.
3317subdir('qapi')
3318subdir('qobject')
3319subdir('stubs')
3320subdir('trace')
3321subdir('util')
3322subdir('qom')
3323subdir('authz')
3324subdir('crypto')
3325subdir('ui')
3326subdir('hw')
3327subdir('gdbstub')
3328
3329if enable_modules
3330  libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3331  modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3332endif
3333
3334qom_ss = qom_ss.apply(config_host, strict: false)
3335libqom = static_library('qom', qom_ss.sources() + genh,
3336                        dependencies: [qom_ss.dependencies()],
3337                        name_suffix: 'fa')
3338qom = declare_dependency(link_whole: libqom)
3339
3340event_loop_base = files('event-loop-base.c')
3341event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3342                                 build_by_default: true)
3343event_loop_base = declare_dependency(link_whole: event_loop_base,
3344                                     dependencies: [qom])
3345
3346stub_ss = stub_ss.apply(config_all, strict: false)
3347
3348util_ss.add_all(trace_ss)
3349util_ss = util_ss.apply(config_all, strict: false)
3350libqemuutil = static_library('qemuutil',
3351                             sources: util_ss.sources() + stub_ss.sources() + genh,
3352                             dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3353qemuutil = declare_dependency(link_with: libqemuutil,
3354                              sources: genh + version_res,
3355                              dependencies: [event_loop_base])
3356
3357if have_system or have_user
3358  decodetree = generator(find_program('scripts/decodetree.py'),
3359                         output: 'decode-@BASENAME@.c.inc',
3360                         arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3361  subdir('libdecnumber')
3362  subdir('target')
3363endif
3364
3365subdir('audio')
3366subdir('io')
3367subdir('chardev')
3368subdir('fsdev')
3369subdir('dump')
3370
3371if have_block
3372  block_ss.add(files(
3373    'block.c',
3374    'blockjob.c',
3375    'job.c',
3376    'qemu-io-cmds.c',
3377  ))
3378  if config_host_data.get('CONFIG_REPLICATION')
3379    block_ss.add(files('replication.c'))
3380  endif
3381
3382  subdir('nbd')
3383  subdir('scsi')
3384  subdir('block')
3385
3386  blockdev_ss.add(files(
3387    'blockdev.c',
3388    'blockdev-nbd.c',
3389    'iothread.c',
3390    'job-qmp.c',
3391  ), gnutls)
3392
3393  # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3394  # os-win32.c does not
3395  blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3396  softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3397endif
3398
3399common_ss.add(files('cpus-common.c'))
3400specific_ss.add(files('cpu.c'))
3401
3402subdir('softmmu')
3403
3404# Work around a gcc bug/misfeature wherein constant propagation looks
3405# through an alias:
3406#   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3407# to guess that a const variable is always zero.  Without lto, this is
3408# impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3409# without lto, not even the alias is required -- we simply use different
3410# declarations in different compilation units.
3411pagevary = files('page-vary-common.c')
3412if get_option('b_lto')
3413  pagevary_flags = ['-fno-lto']
3414  if get_option('cfi')
3415    pagevary_flags += '-fno-sanitize=cfi-icall'
3416  endif
3417  pagevary = static_library('page-vary-common', sources: pagevary + genh,
3418                            c_args: pagevary_flags)
3419  pagevary = declare_dependency(link_with: pagevary)
3420endif
3421common_ss.add(pagevary)
3422specific_ss.add(files('page-vary.c'))
3423
3424subdir('backends')
3425subdir('disas')
3426subdir('migration')
3427subdir('monitor')
3428subdir('net')
3429subdir('replay')
3430subdir('semihosting')
3431subdir('stats')
3432subdir('tcg')
3433subdir('fpu')
3434subdir('accel')
3435subdir('plugins')
3436subdir('ebpf')
3437
3438common_user_inc = []
3439
3440subdir('common-user')
3441subdir('bsd-user')
3442subdir('linux-user')
3443
3444# needed for fuzzing binaries
3445subdir('tests/qtest/libqos')
3446subdir('tests/qtest/fuzz')
3447
3448# accel modules
3449tcg_real_module_ss = ss.source_set()
3450tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3451specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3452target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3453                                'tcg': tcg_real_module_ss }}
3454
3455########################
3456# Library dependencies #
3457########################
3458
3459modinfo_collect = find_program('scripts/modinfo-collect.py')
3460modinfo_generate = find_program('scripts/modinfo-generate.py')
3461modinfo_files = []
3462
3463block_mods = []
3464softmmu_mods = []
3465foreach d, list : modules
3466  if not (d == 'block' ? have_block : have_system)
3467    continue
3468  endif
3469
3470  foreach m, module_ss : list
3471    if enable_modules
3472      module_ss = module_ss.apply(config_all, strict: false)
3473      sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3474                          dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3475      if d == 'block'
3476        block_mods += sl
3477      else
3478        softmmu_mods += sl
3479      endif
3480      if module_ss.sources() != []
3481        # FIXME: Should use sl.extract_all_objects(recursive: true) as
3482        # input. Sources can be used multiple times but objects are
3483        # unique when it comes to lookup in compile_commands.json.
3484        # Depnds on a mesion version with
3485        # https://github.com/mesonbuild/meson/pull/8900
3486        modinfo_files += custom_target(d + '-' + m + '.modinfo',
3487                                       output: d + '-' + m + '.modinfo',
3488                                       input: module_ss.sources() + genh,
3489                                       capture: true,
3490                                       command: [modinfo_collect, module_ss.sources()])
3491      endif
3492    else
3493      if d == 'block'
3494        block_ss.add_all(module_ss)
3495      else
3496        softmmu_ss.add_all(module_ss)
3497      endif
3498    endif
3499  endforeach
3500endforeach
3501
3502foreach d, list : target_modules
3503  foreach m, module_ss : list
3504    if enable_modules
3505      foreach target : target_dirs
3506        if target.endswith('-softmmu')
3507          config_target = config_target_mak[target]
3508          config_target += config_host
3509          target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3510          c_args = ['-DNEED_CPU_H',
3511                    '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3512                    '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3513          target_module_ss = module_ss.apply(config_target, strict: false)
3514          if target_module_ss.sources() != []
3515            module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3516            sl = static_library(module_name,
3517                                [genh, target_module_ss.sources()],
3518                                dependencies: [modulecommon, target_module_ss.dependencies()],
3519                                include_directories: target_inc,
3520                                c_args: c_args,
3521                                pic: true)
3522            softmmu_mods += sl
3523            # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3524            modinfo_files += custom_target(module_name + '.modinfo',
3525                                           output: module_name + '.modinfo',
3526                                           input: target_module_ss.sources() + genh,
3527                                           capture: true,
3528                                           command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3529          endif
3530        endif
3531      endforeach
3532    else
3533      specific_ss.add_all(module_ss)
3534    endif
3535  endforeach
3536endforeach
3537
3538if enable_modules
3539  foreach target : target_dirs
3540    if target.endswith('-softmmu')
3541      config_target = config_target_mak[target]
3542      config_devices_mak = target + '-config-devices.mak'
3543      modinfo_src = custom_target('modinfo-' + target + '.c',
3544                                  output: 'modinfo-' + target + '.c',
3545                                  input: modinfo_files,
3546                                  command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3547                                  capture: true)
3548
3549      modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3550      modinfo_dep = declare_dependency(link_with: modinfo_lib)
3551
3552      arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3553      hw_arch[arch].add(modinfo_dep)
3554    endif
3555  endforeach
3556endif
3557
3558nm = find_program('nm')
3559undefsym = find_program('scripts/undefsym.py')
3560block_syms = custom_target('block.syms', output: 'block.syms',
3561                             input: [libqemuutil, block_mods],
3562                             capture: true,
3563                             command: [undefsym, nm, '@INPUT@'])
3564qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3565                             input: [libqemuutil, softmmu_mods],
3566                             capture: true,
3567                             command: [undefsym, nm, '@INPUT@'])
3568
3569authz_ss = authz_ss.apply(config_host, strict: false)
3570libauthz = static_library('authz', authz_ss.sources() + genh,
3571                          dependencies: [authz_ss.dependencies()],
3572                          name_suffix: 'fa',
3573                          build_by_default: false)
3574
3575authz = declare_dependency(link_whole: libauthz,
3576                           dependencies: qom)
3577
3578crypto_ss = crypto_ss.apply(config_host, strict: false)
3579libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3580                           dependencies: [crypto_ss.dependencies()],
3581                           name_suffix: 'fa',
3582                           build_by_default: false)
3583
3584crypto = declare_dependency(link_whole: libcrypto,
3585                            dependencies: [authz, qom])
3586
3587io_ss = io_ss.apply(config_host, strict: false)
3588libio = static_library('io', io_ss.sources() + genh,
3589                       dependencies: [io_ss.dependencies()],
3590                       link_with: libqemuutil,
3591                       name_suffix: 'fa',
3592                       build_by_default: false)
3593
3594io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3595
3596libmigration = static_library('migration', sources: migration_files + genh,
3597                              name_suffix: 'fa',
3598                              build_by_default: false)
3599migration = declare_dependency(link_with: libmigration,
3600                               dependencies: [zlib, qom, io])
3601softmmu_ss.add(migration)
3602
3603block_ss = block_ss.apply(config_host, strict: false)
3604libblock = static_library('block', block_ss.sources() + genh,
3605                          dependencies: block_ss.dependencies(),
3606                          link_depends: block_syms,
3607                          name_suffix: 'fa',
3608                          build_by_default: false)
3609
3610block = declare_dependency(link_whole: [libblock],
3611                           link_args: '@block.syms',
3612                           dependencies: [crypto, io])
3613
3614blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3615libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3616                             dependencies: blockdev_ss.dependencies(),
3617                             name_suffix: 'fa',
3618                             build_by_default: false)
3619
3620blockdev = declare_dependency(link_whole: [libblockdev],
3621                              dependencies: [block, event_loop_base])
3622
3623qmp_ss = qmp_ss.apply(config_host, strict: false)
3624libqmp = static_library('qmp', qmp_ss.sources() + genh,
3625                        dependencies: qmp_ss.dependencies(),
3626                        name_suffix: 'fa',
3627                        build_by_default: false)
3628
3629qmp = declare_dependency(link_whole: [libqmp])
3630
3631libchardev = static_library('chardev', chardev_ss.sources() + genh,
3632                            name_suffix: 'fa',
3633                            dependencies: chardev_ss.dependencies(),
3634                            build_by_default: false)
3635
3636chardev = declare_dependency(link_whole: libchardev)
3637
3638hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3639libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3640                           name_suffix: 'fa',
3641                           build_by_default: false)
3642hwcore = declare_dependency(link_whole: libhwcore)
3643common_ss.add(hwcore)
3644
3645###########
3646# Targets #
3647###########
3648
3649emulator_modules = []
3650foreach m : block_mods + softmmu_mods
3651  emulator_modules += shared_module(m.name(),
3652                build_by_default: true,
3653                name_prefix: '',
3654                link_whole: m,
3655                install: true,
3656                install_dir: qemu_moddir)
3657endforeach
3658if emulator_modules.length() > 0
3659  alias_target('modules', emulator_modules)
3660endif
3661
3662softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3663common_ss.add(qom, qemuutil)
3664
3665common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3666common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3667
3668common_all = common_ss.apply(config_all, strict: false)
3669common_all = static_library('common',
3670                            build_by_default: false,
3671                            sources: common_all.sources() + genh,
3672                            include_directories: common_user_inc,
3673                            implicit_include_directories: false,
3674                            dependencies: common_all.dependencies(),
3675                            name_suffix: 'fa')
3676
3677feature_to_c = find_program('scripts/feature_to_c.sh')
3678
3679if targetos == 'darwin'
3680  entitlement = find_program('scripts/entitlement.sh')
3681endif
3682
3683emulators = {}
3684foreach target : target_dirs
3685  config_target = config_target_mak[target]
3686  target_name = config_target['TARGET_NAME']
3687  target_base_arch = config_target['TARGET_BASE_ARCH']
3688  arch_srcs = [config_target_h[target]]
3689  arch_deps = []
3690  c_args = ['-DNEED_CPU_H',
3691            '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3692            '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3693  link_args = emulator_link_args
3694
3695  config_target += config_host
3696  target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3697  if targetos == 'linux'
3698    target_inc += include_directories('linux-headers', is_system: true)
3699  endif
3700  if target.endswith('-softmmu')
3701    target_type='system'
3702    t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3703    arch_srcs += t.sources()
3704    arch_deps += t.dependencies()
3705
3706    hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3707    hw = hw_arch[hw_dir].apply(config_target, strict: false)
3708    arch_srcs += hw.sources()
3709    arch_deps += hw.dependencies()
3710
3711    arch_srcs += config_devices_h[target]
3712    link_args += ['@block.syms', '@qemu.syms']
3713  else
3714    abi = config_target['TARGET_ABI_DIR']
3715    target_type='user'
3716    target_inc += common_user_inc
3717    if target_base_arch in target_user_arch
3718      t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3719      arch_srcs += t.sources()
3720      arch_deps += t.dependencies()
3721    endif
3722    if 'CONFIG_LINUX_USER' in config_target
3723      base_dir = 'linux-user'
3724    endif
3725    if 'CONFIG_BSD_USER' in config_target
3726      base_dir = 'bsd-user'
3727      target_inc += include_directories('bsd-user/' / targetos)
3728      target_inc += include_directories('bsd-user/host/' / host_arch)
3729      dir = base_dir / abi
3730      arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3731    endif
3732    target_inc += include_directories(
3733      base_dir,
3734      base_dir / abi,
3735    )
3736    if 'CONFIG_LINUX_USER' in config_target
3737      dir = base_dir / abi
3738      arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3739      if config_target.has_key('TARGET_SYSTBL_ABI')
3740        arch_srcs += \
3741          syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3742                                             extra_args : config_target['TARGET_SYSTBL_ABI'])
3743      endif
3744    endif
3745  endif
3746
3747  if 'TARGET_XML_FILES' in config_target
3748    gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3749                                output: target + '-gdbstub-xml.c',
3750                                input: files(config_target['TARGET_XML_FILES'].split()),
3751                                command: [feature_to_c, '@INPUT@'],
3752                                capture: true)
3753    arch_srcs += gdbstub_xml
3754  endif
3755
3756  t = target_arch[target_base_arch].apply(config_target, strict: false)
3757  arch_srcs += t.sources()
3758  arch_deps += t.dependencies()
3759
3760  target_common = common_ss.apply(config_target, strict: false)
3761  objects = common_all.extract_objects(target_common.sources())
3762  deps = target_common.dependencies()
3763
3764  target_specific = specific_ss.apply(config_target, strict: false)
3765  arch_srcs += target_specific.sources()
3766  arch_deps += target_specific.dependencies()
3767
3768  lib = static_library('qemu-' + target,
3769                 sources: arch_srcs + genh,
3770                 dependencies: arch_deps,
3771                 objects: objects,
3772                 include_directories: target_inc,
3773                 c_args: c_args,
3774                 build_by_default: false,
3775                 name_suffix: 'fa')
3776
3777  if target.endswith('-softmmu')
3778    execs = [{
3779      'name': 'qemu-system-' + target_name,
3780      'win_subsystem': 'console',
3781      'sources': files('softmmu/main.c'),
3782      'dependencies': []
3783    }]
3784    if targetos == 'windows' and (sdl.found() or gtk.found())
3785      execs += [{
3786        'name': 'qemu-system-' + target_name + 'w',
3787        'win_subsystem': 'windows',
3788        'sources': files('softmmu/main.c'),
3789        'dependencies': []
3790      }]
3791    endif
3792    if get_option('fuzzing')
3793      specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3794      execs += [{
3795        'name': 'qemu-fuzz-' + target_name,
3796        'win_subsystem': 'console',
3797        'sources': specific_fuzz.sources(),
3798        'dependencies': specific_fuzz.dependencies(),
3799      }]
3800    endif
3801  else
3802    execs = [{
3803      'name': 'qemu-' + target_name,
3804      'win_subsystem': 'console',
3805      'sources': [],
3806      'dependencies': []
3807    }]
3808  endif
3809  foreach exe: execs
3810    exe_name = exe['name']
3811    if targetos == 'darwin'
3812      exe_name += '-unsigned'
3813    endif
3814
3815    emulator = executable(exe_name, exe['sources'],
3816               install: true,
3817               c_args: c_args,
3818               dependencies: arch_deps + deps + exe['dependencies'],
3819               objects: lib.extract_all_objects(recursive: true),
3820               link_language: link_language,
3821               link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3822               link_args: link_args,
3823               win_subsystem: exe['win_subsystem'])
3824
3825    if targetos == 'darwin'
3826      icon = 'pc-bios/qemu.rsrc'
3827      build_input = [emulator, files(icon)]
3828      install_input = [
3829        get_option('bindir') / exe_name,
3830        meson.current_source_dir() / icon
3831      ]
3832      if 'CONFIG_HVF' in config_target
3833        entitlements = 'accel/hvf/entitlements.plist'
3834        build_input += files(entitlements)
3835        install_input += meson.current_source_dir() / entitlements
3836      endif
3837
3838      emulators += {exe['name'] : custom_target(exe['name'],
3839                   input: build_input,
3840                   output: exe['name'],
3841                   command: [entitlement, '@OUTPUT@', '@INPUT@'])
3842      }
3843
3844      meson.add_install_script(entitlement, '--install',
3845                               get_option('bindir') / exe['name'],
3846                               install_input)
3847    else
3848      emulators += {exe['name']: emulator}
3849    endif
3850
3851    if stap.found()
3852      foreach stp: [
3853        {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3854        {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3855        {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3856        {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3857      ]
3858        custom_target(exe['name'] + stp['ext'],
3859                      input: trace_events_all,
3860                      output: exe['name'] + stp['ext'],
3861                      install: stp['install'],
3862                      install_dir: get_option('datadir') / 'systemtap/tapset',
3863                      command: [
3864                        tracetool, '--group=all', '--format=' + stp['fmt'],
3865                        '--binary=' + stp['bin'],
3866                        '--target-name=' + target_name,
3867                        '--target-type=' + target_type,
3868                        '--probe-prefix=qemu.' + target_type + '.' + target_name,
3869                        '@INPUT@', '@OUTPUT@'
3870                      ],
3871                      depend_files: tracetool_depends)
3872      endforeach
3873    endif
3874  endforeach
3875endforeach
3876
3877# Other build targets
3878
3879if 'CONFIG_PLUGIN' in config_host
3880  install_headers('include/qemu/qemu-plugin.h')
3881endif
3882
3883subdir('qga')
3884
3885# Don't build qemu-keymap if xkbcommon is not explicitly enabled
3886# when we don't build tools or system
3887if xkbcommon.found()
3888  # used for the update-keymaps target, so include rules even if !have_tools
3889  qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3890                           dependencies: [qemuutil, xkbcommon], install: have_tools)
3891endif
3892
3893if have_tools
3894  qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3895             dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3896  qemu_io = executable('qemu-io', files('qemu-io.c'),
3897             dependencies: [block, qemuutil], install: true)
3898  qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3899               dependencies: [blockdev, qemuutil, gnutls, selinux],
3900               install: true)
3901
3902  subdir('storage-daemon')
3903  subdir('contrib/rdmacm-mux')
3904  subdir('contrib/elf2dmp')
3905
3906  executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3907             dependencies: qemuutil,
3908             install: true)
3909
3910  if have_vhost_user
3911    subdir('contrib/vhost-user-blk')
3912    subdir('contrib/vhost-user-gpu')
3913    subdir('contrib/vhost-user-input')
3914    subdir('contrib/vhost-user-scsi')
3915  endif
3916
3917  if targetos == 'linux'
3918    executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3919               dependencies: [qemuutil, libcap_ng],
3920               install: true,
3921               install_dir: get_option('libexecdir'))
3922
3923    executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3924               dependencies: [authz, crypto, io, qom, qemuutil,
3925                              libcap_ng, mpathpersist],
3926               install: true)
3927  endif
3928
3929  if have_ivshmem
3930    subdir('contrib/ivshmem-client')
3931    subdir('contrib/ivshmem-server')
3932  endif
3933endif
3934
3935subdir('scripts')
3936subdir('tools')
3937subdir('pc-bios')
3938subdir('docs')
3939subdir('tests')
3940if gtk.found()
3941  subdir('po')
3942endif
3943
3944if host_machine.system() == 'windows'
3945  nsis_cmd = [
3946    find_program('scripts/nsis.py'),
3947    '@OUTPUT@',
3948    get_option('prefix'),
3949    meson.current_source_dir(),
3950    glib_pc.get_variable('bindir'),
3951    host_machine.cpu(),
3952    '--',
3953    '-DDISPLAYVERSION=' + meson.project_version(),
3954  ]
3955  if build_docs
3956    nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3957  endif
3958  if gtk.found()
3959    nsis_cmd += '-DCONFIG_GTK=y'
3960  endif
3961
3962  nsis = custom_target('nsis',
3963                       output: 'qemu-setup-' + meson.project_version() + '.exe',
3964                       input: files('qemu.nsi'),
3965                       build_always_stale: true,
3966                       command: nsis_cmd + ['@INPUT@'])
3967  alias_target('installer', nsis)
3968endif
3969
3970#########################
3971# Configuration summary #
3972#########################
3973
3974# Build environment
3975summary_info = {}
3976summary_info += {'Build directory':   meson.current_build_dir()}
3977summary_info += {'Source path':       meson.current_source_dir()}
3978summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
3979summary(summary_info, bool_yn: true, section: 'Build environment')
3980
3981# Directories
3982summary_info += {'Install prefix':    get_option('prefix')}
3983summary_info += {'BIOS directory':    qemu_datadir}
3984pathsep = targetos == 'windows' ? ';' : ':'
3985summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
3986summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3987summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3988summary_info += {'module directory':  qemu_moddir}
3989summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3990summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3991summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3992if targetos != 'windows'
3993  summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3994  summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3995else
3996  summary_info += {'local state directory': 'queried at runtime'}
3997endif
3998summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3999summary(summary_info, bool_yn: true, section: 'Directories')
4000
4001# Host binaries
4002summary_info = {}
4003summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4004summary_info += {'sphinx-build':      sphinx_build}
4005if config_host.has_key('HAVE_GDB_BIN')
4006  summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
4007endif
4008summary_info += {'iasl':              iasl}
4009summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
4010if targetos == 'windows' and have_ga
4011  summary_info += {'wixl':            wixl}
4012endif
4013if slirp.found() and have_system
4014  summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
4015endif
4016summary(summary_info, bool_yn: true, section: 'Host binaries')
4017
4018# Configurable features
4019summary_info = {}
4020summary_info += {'Documentation':     build_docs}
4021summary_info += {'system-mode emulation': have_system}
4022summary_info += {'user-mode emulation': have_user}
4023summary_info += {'block layer':       have_block}
4024summary_info += {'Install blobs':     get_option('install_blobs')}
4025summary_info += {'module support':    enable_modules}
4026if enable_modules
4027  summary_info += {'alternative module path': get_option('module_upgrades')}
4028endif
4029summary_info += {'fuzzing support':   get_option('fuzzing')}
4030if have_system
4031  summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
4032endif
4033summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
4034if 'simple' in get_option('trace_backends')
4035  summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4036endif
4037summary_info += {'D-Bus display':     dbus_display}
4038summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
4039summary_info += {'vhost-kernel support': have_vhost_kernel}
4040summary_info += {'vhost-net support': have_vhost_net}
4041summary_info += {'vhost-user support': have_vhost_user}
4042summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4043summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4044summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4045summary_info += {'build guest agent': have_ga}
4046summary(summary_info, bool_yn: true, section: 'Configurable features')
4047
4048# Compilation information
4049summary_info = {}
4050summary_info += {'host CPU':          cpu}
4051summary_info += {'host endianness':   build_machine.endian()}
4052summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
4053summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4054if link_language == 'cpp'
4055  summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
4056else
4057  summary_info += {'C++ compiler':      false}
4058endif
4059if targetos == 'darwin'
4060  summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4061endif
4062option_cflags = (get_option('debug') ? ['-g'] : [])
4063if get_option('optimization') != 'plain'
4064  option_cflags += ['-O' + get_option('optimization')]
4065endif
4066summary_info += {'CFLAGS':            ' '.join(get_option('c_args') + option_cflags)}
4067if link_language == 'cpp'
4068  summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args') + option_cflags)}
4069endif
4070if targetos == 'darwin'
4071  summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args') + option_cflags)}
4072endif
4073link_args = get_option(link_language + '_link_args')
4074if link_args.length() > 0
4075  summary_info += {'LDFLAGS':         ' '.join(link_args)}
4076endif
4077summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_common_flags + qemu_cflags)}
4078if 'cpp' in all_languages
4079  summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_common_flags + qemu_cxxflags)}
4080endif
4081if 'objc' in all_languages
4082  summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_common_flags)}
4083endif
4084summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
4085summary_info += {'profiler':          get_option('profiler')}
4086summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4087summary_info += {'PIE':               get_option('b_pie')}
4088summary_info += {'static build':      get_option('prefer_static')}
4089summary_info += {'malloc trim support': has_malloc_trim}
4090summary_info += {'membarrier':        have_membarrier}
4091summary_info += {'debug graph lock':  get_option('debug_graph_lock')}
4092summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4093summary_info += {'mutex debugging':   get_option('debug_mutex')}
4094summary_info += {'memory allocator':  get_option('malloc')}
4095summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4096summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4097summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4098if get_option('gprof')
4099  gprof_info = 'YES (deprecated)'
4100else
4101  gprof_info = get_option('gprof')
4102endif
4103summary_info += {'gprof':             gprof_info}
4104summary_info += {'gcov':              get_option('b_coverage')}
4105summary_info += {'thread sanitizer':  get_option('tsan')}
4106summary_info += {'CFI support':       get_option('cfi')}
4107if get_option('cfi')
4108  summary_info += {'CFI debug support': get_option('cfi_debug')}
4109endif
4110summary_info += {'strip binaries':    get_option('strip')}
4111summary_info += {'sparse':            sparse}
4112summary_info += {'mingw32 support':   targetos == 'windows'}
4113summary(summary_info, bool_yn: true, section: 'Compilation')
4114
4115# snarf the cross-compilation information for tests
4116summary_info = {}
4117have_cross = false
4118foreach target: target_dirs
4119  tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4120  if fs.exists(tcg_mak)
4121    config_cross_tcg = keyval.load(tcg_mak)
4122    if 'CC' in config_cross_tcg
4123      summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4124      have_cross = true
4125    endif
4126  endif
4127endforeach
4128if have_cross
4129  summary(summary_info, bool_yn: true, section: 'Cross compilers')
4130endif
4131
4132# Targets and accelerators
4133summary_info = {}
4134if have_system
4135  summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
4136  summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
4137  summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
4138  summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
4139  summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
4140  summary_info += {'Xen support':       xen.found()}
4141  if xen.found()
4142    summary_info += {'xen ctrl version':  xen.version()}
4143  endif
4144  summary_info += {'Xen emulation':     config_all.has_key('CONFIG_XEN_EMU')}
4145endif
4146summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
4147if config_all.has_key('CONFIG_TCG')
4148  if get_option('tcg_interpreter')
4149    summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
4150  else
4151    summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
4152  endif
4153  summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
4154  summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
4155endif
4156summary_info += {'target list':       ' '.join(target_dirs)}
4157if have_system
4158  summary_info += {'default devices':   get_option('default_devices')}
4159  summary_info += {'out of process emulation': multiprocess_allowed}
4160  summary_info += {'vfio-user server': vfio_user_server_allowed}
4161endif
4162summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4163
4164# Block layer
4165summary_info = {}
4166summary_info += {'coroutine backend': coroutine_backend}
4167summary_info += {'coroutine pool':    have_coroutine_pool}
4168if have_block
4169  summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4170  summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4171  summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4172  summary_info += {'VirtFS (9P) support':    have_virtfs}
4173  summary_info += {'VirtFS (9P) Proxy Helper support': have_virtfs_proxy_helper}
4174  summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4175  summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4176  summary_info += {'bochs support':     get_option('bochs').allowed()}
4177  summary_info += {'cloop support':     get_option('cloop').allowed()}
4178  summary_info += {'dmg support':       get_option('dmg').allowed()}
4179  summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
4180  summary_info += {'vdi support':       get_option('vdi').allowed()}
4181  summary_info += {'vhdx support':      get_option('vhdx').allowed()}
4182  summary_info += {'vmdk support':      get_option('vmdk').allowed()}
4183  summary_info += {'vpc support':       get_option('vpc').allowed()}
4184  summary_info += {'vvfat support':     get_option('vvfat').allowed()}
4185  summary_info += {'qed support':       get_option('qed').allowed()}
4186  summary_info += {'parallels support': get_option('parallels').allowed()}
4187  summary_info += {'FUSE exports':      fuse}
4188  summary_info += {'VDUSE block exports': have_vduse_blk_export}
4189endif
4190summary(summary_info, bool_yn: true, section: 'Block layer support')
4191
4192# Crypto
4193summary_info = {}
4194summary_info += {'TLS priority':      get_option('tls_priority')}
4195summary_info += {'GNUTLS support':    gnutls}
4196if gnutls.found()
4197  summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
4198endif
4199summary_info += {'libgcrypt':         gcrypt}
4200summary_info += {'nettle':            nettle}
4201if nettle.found()
4202   summary_info += {'  XTS':             xts != 'private'}
4203endif
4204summary_info += {'AF_ALG support':    have_afalg}
4205summary_info += {'rng-none':          get_option('rng_none')}
4206summary_info += {'Linux keyring':     have_keyring}
4207summary(summary_info, bool_yn: true, section: 'Crypto')
4208
4209# UI
4210summary_info = {}
4211if targetos == 'darwin'
4212  summary_info += {'Cocoa support':           cocoa}
4213endif
4214summary_info += {'SDL support':       sdl}
4215summary_info += {'SDL image support': sdl_image}
4216summary_info += {'GTK support':       gtk}
4217summary_info += {'pixman':            pixman}
4218summary_info += {'VTE support':       vte}
4219summary_info += {'PNG support':       png}
4220summary_info += {'VNC support':       vnc}
4221if vnc.found()
4222  summary_info += {'VNC SASL support':  sasl}
4223  summary_info += {'VNC JPEG support':  jpeg}
4224endif
4225summary_info += {'spice protocol support': spice_protocol}
4226if spice_protocol.found()
4227  summary_info += {'  spice server support': spice}
4228endif
4229summary_info += {'curses support':    curses}
4230summary_info += {'brlapi support':    brlapi}
4231summary(summary_info, bool_yn: true, section: 'User interface')
4232
4233# Audio backends
4234summary_info = {}
4235if targetos not in ['darwin', 'haiku', 'windows']
4236  summary_info += {'OSS support':     oss}
4237  summary_info += {'sndio support':   sndio}
4238elif targetos == 'darwin'
4239  summary_info += {'CoreAudio support': coreaudio}
4240elif targetos == 'windows'
4241  summary_info += {'DirectSound support': dsound}
4242endif
4243if targetos == 'linux'
4244  summary_info += {'ALSA support':    alsa}
4245  summary_info += {'PulseAudio support': pulse}
4246endif
4247summary_info += {'Pipewire support':  pipewire}
4248summary_info += {'JACK support':      jack}
4249summary(summary_info, bool_yn: true, section: 'Audio backends')
4250
4251# Network backends
4252summary_info = {}
4253if targetos == 'darwin'
4254  summary_info += {'vmnet.framework support': vmnet}
4255endif
4256summary_info += {'slirp support':     slirp}
4257summary_info += {'vde support':       vde}
4258summary_info += {'netmap support':    have_netmap}
4259summary_info += {'l2tpv3 support':    have_l2tpv3}
4260summary(summary_info, bool_yn: true, section: 'Network backends')
4261
4262# Libraries
4263summary_info = {}
4264summary_info += {'libtasn1':          tasn1}
4265summary_info += {'PAM':               pam}
4266summary_info += {'iconv support':     iconv}
4267summary_info += {'virgl support':     virgl}
4268summary_info += {'blkio support':     blkio}
4269summary_info += {'curl support':      curl}
4270summary_info += {'Multipath support': mpathpersist}
4271summary_info += {'Linux AIO support': libaio}
4272summary_info += {'Linux io_uring support': linux_io_uring}
4273summary_info += {'ATTR/XATTR support': libattr}
4274summary_info += {'RDMA support':      rdma}
4275summary_info += {'PVRDMA support':    have_pvrdma}
4276summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
4277summary_info += {'libcap-ng support': libcap_ng}
4278summary_info += {'bpf support':       libbpf}
4279summary_info += {'rbd support':       rbd}
4280summary_info += {'smartcard support': cacard}
4281summary_info += {'U2F support':       u2f}
4282summary_info += {'libusb':            libusb}
4283summary_info += {'usb net redir':     usbredir}
4284summary_info += {'OpenGL support (epoxy)': opengl}
4285summary_info += {'GBM':               gbm}
4286summary_info += {'libiscsi support':  libiscsi}
4287summary_info += {'libnfs support':    libnfs}
4288if targetos == 'windows'
4289  if have_ga
4290    summary_info += {'QGA VSS support':   have_qga_vss}
4291  endif
4292endif
4293summary_info += {'seccomp support':   seccomp}
4294summary_info += {'GlusterFS support': glusterfs}
4295summary_info += {'TPM support':       have_tpm}
4296summary_info += {'libssh support':    libssh}
4297summary_info += {'lzo support':       lzo}
4298summary_info += {'snappy support':    snappy}
4299summary_info += {'bzip2 support':     libbzip2}
4300summary_info += {'lzfse support':     liblzfse}
4301summary_info += {'zstd support':      zstd}
4302summary_info += {'NUMA host support': numa}
4303summary_info += {'capstone':          capstone}
4304summary_info += {'libpmem support':   libpmem}
4305summary_info += {'libdaxctl support': libdaxctl}
4306summary_info += {'libudev':           libudev}
4307# Dummy dependency, keep .found()
4308summary_info += {'FUSE lseek':        fuse_lseek.found()}
4309summary_info += {'selinux':           selinux}
4310summary_info += {'libdw':             libdw}
4311summary(summary_info, bool_yn: true, section: 'Dependencies')
4312
4313if not supported_cpus.contains(cpu)
4314  message()
4315  warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4316  message()
4317  message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4318  message('The QEMU project intends to remove support for this host CPU in')
4319  message('a future release if nobody volunteers to maintain it and to')
4320  message('provide a build host for our continuous integration setup.')
4321  message('configure has succeeded and you can continue to build, but')
4322  message('if you care about QEMU on this platform you should contact')
4323  message('us upstream at qemu-devel@nongnu.org.')
4324endif
4325
4326if not supported_oses.contains(targetos)
4327  message()
4328  warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4329  message()
4330  message('Host OS ' + targetos + 'support is not currently maintained.')
4331  message('The QEMU project intends to remove support for this host OS in')
4332  message('a future release if nobody volunteers to maintain it and to')
4333  message('provide a build host for our continuous integration setup.')
4334  message('configure has succeeded and you can continue to build, but')
4335  message('if you care about QEMU on this platform you should contact')
4336  message('us upstream at qemu-devel@nongnu.org.')
4337endif
4338