xref: /openbmc/qemu/meson.build (revision 733766cd)
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  .require(cpu == 'x86'  or cpu == 'x86_64',
1730           error_message: 'Xen PCI passthrough not available on this platform') \
1731  .allowed()
1732
1733
1734cacard = not_found
1735if not get_option('smartcard').auto() or have_system
1736  cacard = dependency('libcacard', required: get_option('smartcard'),
1737                      version: '>=2.5.1', method: 'pkg-config')
1738endif
1739u2f = not_found
1740if have_system
1741  u2f = dependency('u2f-emu', required: get_option('u2f'),
1742                   method: 'pkg-config')
1743endif
1744canokey = not_found
1745if have_system
1746  canokey = dependency('canokey-qemu', required: get_option('canokey'),
1747                   method: 'pkg-config')
1748endif
1749usbredir = not_found
1750if not get_option('usb_redir').auto() or have_system
1751  usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1752                        version: '>=0.6', method: 'pkg-config')
1753endif
1754libusb = not_found
1755if not get_option('libusb').auto() or have_system
1756  libusb = dependency('libusb-1.0', required: get_option('libusb'),
1757                      version: '>=1.0.13', method: 'pkg-config')
1758endif
1759
1760libpmem = not_found
1761if not get_option('libpmem').auto() or have_system
1762  libpmem = dependency('libpmem', required: get_option('libpmem'),
1763                       method: 'pkg-config')
1764endif
1765libdaxctl = not_found
1766if not get_option('libdaxctl').auto() or have_system
1767  libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1768                         version: '>=57', method: 'pkg-config')
1769endif
1770tasn1 = not_found
1771if gnutls.found()
1772  tasn1 = dependency('libtasn1',
1773                     method: 'pkg-config')
1774endif
1775keyutils = not_found
1776if get_option('keyring').enabled()
1777  keyutils = dependency('libkeyutils', required: false, method: 'pkg-config')
1778endif
1779
1780has_gettid = cc.has_function('gettid')
1781
1782# libselinux
1783selinux = dependency('libselinux',
1784                     required: get_option('selinux'),
1785                     method: 'pkg-config')
1786
1787# Malloc tests
1788
1789malloc = []
1790if get_option('malloc') == 'system'
1791  has_malloc_trim = \
1792    get_option('malloc_trim').allowed() and \
1793    cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1794else
1795  has_malloc_trim = false
1796  malloc = cc.find_library(get_option('malloc'), required: true)
1797endif
1798if not has_malloc_trim and get_option('malloc_trim').enabled()
1799  if get_option('malloc') == 'system'
1800    error('malloc_trim not available on this platform.')
1801  else
1802    error('malloc_trim not available with non-libc memory allocator')
1803  endif
1804endif
1805
1806gnu_source_prefix = '''
1807  #ifndef _GNU_SOURCE
1808  #define _GNU_SOURCE
1809  #endif
1810'''
1811
1812# Check whether the glibc provides STATX_BASIC_STATS
1813
1814has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1815
1816# Check whether statx() provides mount ID information
1817
1818has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1819
1820have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1821  .require(targetos == 'linux',
1822           error_message: 'vhost_user_blk_server requires linux') \
1823  .require(have_vhost_user,
1824           error_message: 'vhost_user_blk_server requires vhost-user support') \
1825  .disable_auto_if(not have_tools and not have_system) \
1826  .allowed()
1827
1828if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1829  error('Cannot enable fuse-lseek while fuse is disabled')
1830endif
1831
1832fuse = dependency('fuse3', required: get_option('fuse'),
1833                  version: '>=3.1', method: 'pkg-config')
1834
1835fuse_lseek = not_found
1836if get_option('fuse_lseek').allowed()
1837  if fuse.version().version_compare('>=3.8')
1838    # Dummy dependency
1839    fuse_lseek = declare_dependency()
1840  elif get_option('fuse_lseek').enabled()
1841    if fuse.found()
1842      error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1843    else
1844      error('fuse-lseek requires libfuse, which was not found')
1845    endif
1846  endif
1847endif
1848
1849have_libvduse = (targetos == 'linux')
1850if get_option('libvduse').enabled()
1851    if targetos != 'linux'
1852        error('libvduse requires linux')
1853    endif
1854elif get_option('libvduse').disabled()
1855    have_libvduse = false
1856endif
1857
1858have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1859if get_option('vduse_blk_export').enabled()
1860    if targetos != 'linux'
1861        error('vduse_blk_export requires linux')
1862    elif not have_libvduse
1863        error('vduse_blk_export requires libvduse support')
1864    endif
1865elif get_option('vduse_blk_export').disabled()
1866    have_vduse_blk_export = false
1867endif
1868
1869# libbpf
1870libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1871if libbpf.found() and not cc.links('''
1872   #include <bpf/libbpf.h>
1873   int main(void)
1874   {
1875     bpf_object__destroy_skeleton(NULL);
1876     return 0;
1877   }''', dependencies: libbpf)
1878  libbpf = not_found
1879  if get_option('bpf').enabled()
1880    error('libbpf skeleton test failed')
1881  else
1882    warning('libbpf skeleton test failed, disabling')
1883  endif
1884endif
1885
1886# libdw
1887libdw = not_found
1888if not get_option('libdw').auto() or \
1889        (not get_option('prefer_static') and (have_system or have_user))
1890    libdw = dependency('libdw',
1891                       method: 'pkg-config',
1892                       required: get_option('libdw'))
1893endif
1894
1895#################
1896# config-host.h #
1897#################
1898
1899audio_drivers_selected = []
1900if have_system
1901  audio_drivers_available = {
1902    'alsa': alsa.found(),
1903    'coreaudio': coreaudio.found(),
1904    'dsound': dsound.found(),
1905    'jack': jack.found(),
1906    'oss': oss.found(),
1907    'pa': pulse.found(),
1908    'pipewire': pipewire.found(),
1909    'sdl': sdl.found(),
1910    'sndio': sndio.found(),
1911  }
1912  foreach k, v: audio_drivers_available
1913    config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1914  endforeach
1915
1916  # Default to native drivers first, OSS second, SDL third
1917  audio_drivers_priority = \
1918    [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1919    (targetos == 'linux' ? [] : [ 'sdl' ])
1920  audio_drivers_default = []
1921  foreach k: audio_drivers_priority
1922    if audio_drivers_available[k]
1923      audio_drivers_default += k
1924    endif
1925  endforeach
1926
1927  foreach k: get_option('audio_drv_list')
1928    if k == 'default'
1929      audio_drivers_selected += audio_drivers_default
1930    elif not audio_drivers_available[k]
1931      error('Audio driver "@0@" not available.'.format(k))
1932    else
1933      audio_drivers_selected += k
1934    endif
1935  endforeach
1936endif
1937config_host_data.set('CONFIG_AUDIO_DRIVERS',
1938                     '"' + '", "'.join(audio_drivers_selected) + '", ')
1939
1940if get_option('cfi')
1941  cfi_flags=[]
1942  # Check for dependency on LTO
1943  if not get_option('b_lto')
1944    error('Selected Control-Flow Integrity but LTO is disabled')
1945  endif
1946  if enable_modules
1947    error('Selected Control-Flow Integrity is not compatible with modules')
1948  endif
1949  # Check for cfi flags. CFI requires LTO so we can't use
1950  # get_supported_arguments, but need a more complex "compiles" which allows
1951  # custom arguments
1952  if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1953                 args: ['-flto', '-fsanitize=cfi-icall'] )
1954    cfi_flags += '-fsanitize=cfi-icall'
1955  else
1956    error('-fsanitize=cfi-icall is not supported by the compiler')
1957  endif
1958  if cc.compiles('int main () { return 0; }',
1959                 name: '-fsanitize-cfi-icall-generalize-pointers',
1960                 args: ['-flto', '-fsanitize=cfi-icall',
1961                        '-fsanitize-cfi-icall-generalize-pointers'] )
1962    cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1963  else
1964    error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1965  endif
1966  if get_option('cfi_debug')
1967    if cc.compiles('int main () { return 0; }',
1968                   name: '-fno-sanitize-trap=cfi-icall',
1969                   args: ['-flto', '-fsanitize=cfi-icall',
1970                          '-fno-sanitize-trap=cfi-icall'] )
1971      cfi_flags += '-fno-sanitize-trap=cfi-icall'
1972    else
1973      error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1974    endif
1975  endif
1976  add_global_arguments(cfi_flags, native: false, language: all_languages)
1977  add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1978endif
1979
1980have_host_block_device = (targetos != 'darwin' or
1981    cc.has_header('IOKit/storage/IOMedia.h'))
1982
1983dbus_display = get_option('dbus_display') \
1984  .require(gio.version().version_compare('>=2.64'),
1985           error_message: '-display dbus requires glib>=2.64') \
1986  .require(gdbus_codegen.found(),
1987           error_message: gdbus_codegen_error.format('-display dbus')) \
1988  .require(targetos != 'windows',
1989           error_message: '-display dbus is not available on Windows') \
1990  .allowed()
1991
1992have_virtfs = get_option('virtfs') \
1993    .require(targetos == 'linux' or targetos == 'darwin',
1994             error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1995    .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1996             error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1997    .require(targetos == 'darwin' or libattr.found(),
1998             error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
1999    .disable_auto_if(not have_tools and not have_system) \
2000    .allowed()
2001
2002have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2003    .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2004    .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2005    .disable_auto_if(not have_tools) \
2006    .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2007    .allowed()
2008
2009if get_option('block_drv_ro_whitelist') == ''
2010  config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2011else
2012  config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2013        '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2014endif
2015if get_option('block_drv_rw_whitelist') == ''
2016  config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2017else
2018  config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2019        '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2020endif
2021
2022foreach k : get_option('trace_backends')
2023  config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2024endforeach
2025config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2026config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2027if iasl.found()
2028  config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2029endif
2030config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2031config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2032config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2033config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2034config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2035
2036qemu_firmwarepath = ''
2037foreach k : get_option('qemu_firmwarepath')
2038  qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2039endforeach
2040config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2041
2042config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2043config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2044config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2045config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2046config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2047config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2048
2049if enable_modules
2050  config_host_data.set('CONFIG_STAMP', run_command(
2051      meson.current_source_dir() / 'scripts/qemu-stamp.py',
2052      meson.project_version(), get_option('pkgversion'), '--',
2053      meson.current_source_dir() / 'configure',
2054      capture: true, check: true).stdout().strip())
2055endif
2056
2057have_slirp_smbd = get_option('slirp_smbd') \
2058  .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2059  .allowed()
2060if have_slirp_smbd
2061  smbd_path = get_option('smbd')
2062  if smbd_path == ''
2063    smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2064  endif
2065  config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2066endif
2067
2068config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2069
2070if get_option('module_upgrades') and not enable_modules
2071  error('Cannot enable module-upgrades as modules are not enabled')
2072endif
2073config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2074
2075config_host_data.set('CONFIG_ATTR', libattr.found())
2076config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2077config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2078config_host_data.set('CONFIG_COCOA', cocoa.found())
2079config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2080config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2081config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2082config_host_data.set('CONFIG_LZO', lzo.found())
2083config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2084config_host_data.set('CONFIG_BLKIO', blkio.found())
2085if blkio.found()
2086  config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2087                       blkio.version().version_compare('>=1.3.0'))
2088endif
2089config_host_data.set('CONFIG_CURL', curl.found())
2090config_host_data.set('CONFIG_CURSES', curses.found())
2091config_host_data.set('CONFIG_GBM', gbm.found())
2092config_host_data.set('CONFIG_GIO', gio.found())
2093config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2094if glusterfs.found()
2095  config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2096  config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2097  config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2098  config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2099  config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2100  config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2101endif
2102config_host_data.set('CONFIG_GTK', gtk.found())
2103config_host_data.set('CONFIG_VTE', vte.found())
2104config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2105config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2106config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2107config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2108config_host_data.set('CONFIG_EBPF', libbpf.found())
2109config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2110config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2111config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2112config_host_data.set('CONFIG_LIBSSH', libssh.found())
2113config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2114config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2115config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2116config_host_data.set('CONFIG_MODULES', enable_modules)
2117config_host_data.set('CONFIG_NUMA', numa.found())
2118if numa.found()
2119  config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2120                       cc.has_function('numa_has_preferred_many',
2121                                       dependencies: numa))
2122endif
2123config_host_data.set('CONFIG_OPENGL', opengl.found())
2124config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
2125config_host_data.set('CONFIG_RBD', rbd.found())
2126config_host_data.set('CONFIG_RDMA', rdma.found())
2127config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2128config_host_data.set('CONFIG_SDL', sdl.found())
2129config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2130config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2131if seccomp.found()
2132  config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2133endif
2134config_host_data.set('CONFIG_SNAPPY', snappy.found())
2135config_host_data.set('CONFIG_TPM', have_tpm)
2136config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2137config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2138config_host_data.set('CONFIG_VDE', vde.found())
2139config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2140config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2141config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2142config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2143config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2144config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2145config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2146config_host_data.set('CONFIG_VMNET', vmnet.found())
2147config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2148config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2149config_host_data.set('CONFIG_PNG', png.found())
2150config_host_data.set('CONFIG_VNC', vnc.found())
2151config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2152config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2153config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2154config_host_data.set('CONFIG_VTE', vte.found())
2155config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2156config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2157config_host_data.set('CONFIG_GETTID', has_gettid)
2158config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2159config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2160config_host_data.set('CONFIG_TASN1', tasn1.found())
2161config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2162config_host_data.set('CONFIG_NETTLE', nettle.found())
2163config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2164config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2165config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2166config_host_data.set('CONFIG_STATX', has_statx)
2167config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2168config_host_data.set('CONFIG_ZSTD', zstd.found())
2169config_host_data.set('CONFIG_FUSE', fuse.found())
2170config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2171config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2172if spice_protocol.found()
2173config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2174config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2175config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2176endif
2177config_host_data.set('CONFIG_SPICE', spice.found())
2178config_host_data.set('CONFIG_X11', x11.found())
2179config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2180config_host_data.set('CONFIG_CFI', get_option('cfi'))
2181config_host_data.set('CONFIG_SELINUX', selinux.found())
2182config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2183config_host_data.set('CONFIG_LIBDW', libdw.found())
2184if xen.found()
2185  # protect from xen.version() having less than three components
2186  xen_version = xen.version().split('.') + ['0', '0']
2187  xen_ctrl_version = xen_version[0] + \
2188    ('0' + xen_version[1]).substring(-2) + \
2189    ('0' + xen_version[2]).substring(-2)
2190  config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2191endif
2192config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2193config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2194config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2195config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2196
2197config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2198config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2199
2200have_coroutine_pool = get_option('coroutine_pool')
2201if get_option('debug_stack_usage') and have_coroutine_pool
2202  message('Disabling coroutine pool to measure stack usage')
2203  have_coroutine_pool = false
2204endif
2205config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2206config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2207config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2208config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2209config_host_data.set('CONFIG_GPROF', get_option('gprof'))
2210config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2211config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2212config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2213
2214# has_header
2215config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2216config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2217config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2218config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2219config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2220config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2221config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2222config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2223config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2224if targetos == 'windows'
2225  config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2226endif
2227
2228# has_function
2229config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2230config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2231config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2232config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2233config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2234config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2235# Note that we need to specify prefix: here to avoid incorrectly
2236# thinking that Windows has posix_memalign()
2237config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2238config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2239config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2240config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2241config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2242config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2243config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2244config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2245config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2246config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2247config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2248config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2249config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2250config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2251config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2252config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2253config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2254config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2255if rbd.found()
2256  config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2257                       cc.has_function('rbd_namespace_exists',
2258                                       dependencies: rbd,
2259                                       prefix: '#include <rbd/librbd.h>'))
2260endif
2261if rdma.found()
2262  config_host_data.set('HAVE_IBV_ADVISE_MR',
2263                       cc.has_function('ibv_advise_mr',
2264                                       dependencies: rdma,
2265                                       prefix: '#include <infiniband/verbs.h>'))
2266endif
2267
2268have_asan_fiber = false
2269if get_option('sanitizers') and \
2270   not cc.has_function('__sanitizer_start_switch_fiber',
2271                         args: '-fsanitize=address',
2272                         prefix: '#include <sanitizer/asan_interface.h>')
2273  warning('Missing ASAN due to missing fiber annotation interface')
2274  warning('Without code annotation, the report may be inferior.')
2275else
2276  have_asan_fiber = true
2277endif
2278config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2279
2280# has_header_symbol
2281config_host_data.set('CONFIG_BLKZONED',
2282                     cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2283config_host_data.set('CONFIG_EPOLL_CREATE1',
2284                     cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2285config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2286                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2287                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2288config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2289                     cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2290config_host_data.set('CONFIG_FIEMAP',
2291                     cc.has_header('linux/fiemap.h') and
2292                     cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2293config_host_data.set('CONFIG_GETRANDOM',
2294                     cc.has_function('getrandom') and
2295                     cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2296config_host_data.set('CONFIG_INOTIFY',
2297                     cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2298config_host_data.set('CONFIG_INOTIFY1',
2299                     cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2300config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2301                     cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2302config_host_data.set('CONFIG_RTNETLINK',
2303                     cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2304config_host_data.set('CONFIG_SYSMACROS',
2305                     cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2306config_host_data.set('HAVE_OPTRESET',
2307                     cc.has_header_symbol('getopt.h', 'optreset'))
2308config_host_data.set('HAVE_IPPROTO_MPTCP',
2309                     cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2310
2311# has_member
2312config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2313                     cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2314                                   prefix: '#include <signal.h>'))
2315config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2316                     cc.has_member('struct stat', 'st_atim',
2317                                   prefix: '#include <sys/stat.h>'))
2318config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2319                     cc.has_member('struct blk_zone', 'capacity',
2320                                   prefix: '#include <linux/blkzoned.h>'))
2321
2322# has_type
2323config_host_data.set('CONFIG_IOVEC',
2324                     cc.has_type('struct iovec',
2325                                 prefix: '#include <sys/uio.h>'))
2326config_host_data.set('HAVE_UTMPX',
2327                     cc.has_type('struct utmpx',
2328                                 prefix: '#include <utmpx.h>'))
2329
2330config_host_data.set('CONFIG_EVENTFD', cc.links('''
2331  #include <sys/eventfd.h>
2332  int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2333config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2334  #include <unistd.h>
2335  int main(void) {
2336  #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2337  return fdatasync(0);
2338  #else
2339  #error Not supported
2340  #endif
2341  }'''))
2342
2343has_madvise = cc.links(gnu_source_prefix + '''
2344  #include <sys/types.h>
2345  #include <sys/mman.h>
2346  #include <stddef.h>
2347  int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2348missing_madvise_proto = false
2349if has_madvise
2350  # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2351  # but forget to prototype it. In this case, has_madvise will be true (the
2352  # test program links despite a compile warning). To detect the
2353  # missing-prototype case, we try again with a definitely-bogus prototype.
2354  # This will only compile if the system headers don't provide the prototype;
2355  # otherwise the conflicting prototypes will cause a compiler error.
2356  missing_madvise_proto = cc.links(gnu_source_prefix + '''
2357    #include <sys/types.h>
2358    #include <sys/mman.h>
2359    #include <stddef.h>
2360    extern int madvise(int);
2361    int main(void) { return madvise(0); }''')
2362endif
2363config_host_data.set('CONFIG_MADVISE', has_madvise)
2364config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2365
2366config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2367  #include <sys/mman.h>
2368  int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2369config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2370  #include <fcntl.h>
2371  #if !defined(AT_EMPTY_PATH)
2372  # error missing definition
2373  #else
2374  int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2375  #endif'''))
2376config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2377  #include <sys/mman.h>
2378  #include <stddef.h>
2379  int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2380
2381config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2382  #include <pthread.h>
2383
2384  static void *f(void *p) { return NULL; }
2385  int main(void)
2386  {
2387    pthread_t thread;
2388    pthread_create(&thread, 0, f, 0);
2389    pthread_setname_np(thread, "QEMU");
2390    return 0;
2391  }''', dependencies: threads))
2392config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2393  #include <pthread.h>
2394
2395  static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2396  int main(void)
2397  {
2398    pthread_t thread;
2399    pthread_create(&thread, 0, f, 0);
2400    return 0;
2401  }''', dependencies: threads))
2402config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2403  #include <pthread.h>
2404  #include <pthread_np.h>
2405
2406  static void *f(void *p) { return NULL; }
2407  int main(void)
2408  {
2409    pthread_t thread;
2410    pthread_create(&thread, 0, f, 0);
2411    pthread_set_name_np(thread, "QEMU");
2412    return 0;
2413  }''', dependencies: threads))
2414config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2415  #include <pthread.h>
2416  #include <time.h>
2417
2418  int main(void)
2419  {
2420    pthread_condattr_t attr
2421    pthread_condattr_init(&attr);
2422    pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2423    return 0;
2424  }''', dependencies: threads))
2425config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2426  #include <pthread.h>
2427
2428  static void *f(void *p) { return NULL; }
2429  int main(void)
2430  {
2431    int setsize = CPU_ALLOC_SIZE(64);
2432    pthread_t thread;
2433    cpu_set_t *cpuset;
2434    pthread_create(&thread, 0, f, 0);
2435    cpuset = CPU_ALLOC(64);
2436    CPU_ZERO_S(setsize, cpuset);
2437    pthread_setaffinity_np(thread, setsize, cpuset);
2438    pthread_getaffinity_np(thread, setsize, cpuset);
2439    CPU_FREE(cpuset);
2440    return 0;
2441  }''', dependencies: threads))
2442config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2443  #include <sys/signalfd.h>
2444  #include <stddef.h>
2445  int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2446config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2447  #include <unistd.h>
2448  #include <fcntl.h>
2449  #include <limits.h>
2450
2451  int main(void)
2452  {
2453    int len, fd = 0;
2454    len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2455    splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2456    return 0;
2457  }'''))
2458
2459config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2460  #include <sys/mman.h>
2461  int main(void) {
2462    return mlockall(MCL_FUTURE);
2463  }'''))
2464
2465have_l2tpv3 = false
2466if get_option('l2tpv3').allowed() and have_system
2467  have_l2tpv3 = cc.has_type('struct mmsghdr',
2468    prefix: gnu_source_prefix + '''
2469      #include <sys/socket.h>
2470      #include <linux/ip.h>''')
2471endif
2472config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2473
2474have_netmap = false
2475if get_option('netmap').allowed() and have_system
2476  have_netmap = cc.compiles('''
2477    #include <inttypes.h>
2478    #include <net/if.h>
2479    #include <net/netmap.h>
2480    #include <net/netmap_user.h>
2481    #if (NETMAP_API < 11) || (NETMAP_API > 15)
2482    #error
2483    #endif
2484    int main(void) { return 0; }''')
2485  if not have_netmap and get_option('netmap').enabled()
2486    error('Netmap headers not available')
2487  endif
2488endif
2489config_host_data.set('CONFIG_NETMAP', have_netmap)
2490
2491# Work around a system header bug with some kernel/XFS header
2492# versions where they both try to define 'struct fsxattr':
2493# xfs headers will not try to redefine structs from linux headers
2494# if this macro is set.
2495config_host_data.set('HAVE_FSXATTR', cc.links('''
2496  #include <linux/fs.h>
2497  struct fsxattr foo;
2498  int main(void) {
2499    return 0;
2500  }'''))
2501
2502# Some versions of Mac OS X incorrectly define SIZE_MAX
2503config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2504    #include <stdint.h>
2505    #include <stdio.h>
2506    int main(void) {
2507        return printf("%zu", SIZE_MAX);
2508    }''', args: ['-Werror']))
2509
2510# See if 64-bit atomic operations are supported.
2511# Note that without __atomic builtins, we can only
2512# assume atomic loads/stores max at pointer size.
2513config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2514  #include <stdint.h>
2515  int main(void)
2516  {
2517    uint64_t x = 0, y = 0;
2518    y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2519    __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2520    __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2521    __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2522    __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2523    return 0;
2524  }'''))
2525
2526has_int128_type = cc.compiles('''
2527  __int128_t a;
2528  __uint128_t b;
2529  int main(void) { b = a; }''')
2530config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2531
2532has_int128 = has_int128_type and cc.links('''
2533  __int128_t a;
2534  __uint128_t b;
2535  int main (void) {
2536    a = a + b;
2537    b = a * b;
2538    a = a * a;
2539    return 0;
2540  }''')
2541config_host_data.set('CONFIG_INT128', has_int128)
2542
2543if has_int128_type
2544  # "do we have 128-bit atomics which are handled inline and specifically not
2545  # via libatomic". The reason we can't use libatomic is documented in the
2546  # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2547  # We only care about these operations on 16-byte aligned pointers, so
2548  # force 16-byte alignment of the pointer, which may be greater than
2549  # __alignof(unsigned __int128) for the host.
2550  atomic_test_128 = '''
2551    int main(int ac, char **av) {
2552      __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2553      p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2554      __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2555      __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2556      return 0;
2557    }'''
2558  has_atomic128 = cc.links(atomic_test_128)
2559
2560  config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2561
2562  if not has_atomic128
2563    # Even with __builtin_assume_aligned, the above test may have failed
2564    # without optimization enabled.  Try again with optimizations locally
2565    # enabled for the function.  See
2566    #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2567    has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2568    config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2569
2570    if not has_atomic128_opt
2571      config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2572        int main(void)
2573        {
2574          __uint128_t x = 0, y = 0;
2575          __sync_val_compare_and_swap_16(&x, y, x);
2576          return 0;
2577        }
2578      '''))
2579    endif
2580  endif
2581endif
2582
2583config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2584  #include <sys/auxv.h>
2585  int main(void) {
2586    return getauxval(AT_HWCAP) == 0;
2587  }'''))
2588
2589config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2590  #include <linux/usbdevice_fs.h>
2591
2592  #ifndef USBDEVFS_GET_CAPABILITIES
2593  #error "USBDEVFS_GET_CAPABILITIES undefined"
2594  #endif
2595
2596  #ifndef USBDEVFS_DISCONNECT_CLAIM
2597  #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2598  #endif
2599
2600  int main(void) { return 0; }'''))
2601
2602have_keyring = get_option('keyring') \
2603  .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2604  .require(cc.compiles('''
2605    #include <errno.h>
2606    #include <asm/unistd.h>
2607    #include <linux/keyctl.h>
2608    #include <sys/syscall.h>
2609    #include <unistd.h>
2610    int main(void) {
2611        return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2612    }'''), error_message: 'keyctl syscall not available on this system').allowed()
2613config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2614
2615have_cpuid_h = cc.links('''
2616  #include <cpuid.h>
2617  int main(void) {
2618    unsigned a, b, c, d;
2619    unsigned max = __get_cpuid_max(0, 0);
2620
2621    if (max >= 1) {
2622        __cpuid(1, a, b, c, d);
2623    }
2624
2625    if (max >= 7) {
2626        __cpuid_count(7, 0, a, b, c, d);
2627    }
2628
2629    return 0;
2630  }''')
2631config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2632
2633config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2634  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2635  .require(cc.links('''
2636    #include <cpuid.h>
2637    #include <immintrin.h>
2638    static int __attribute__((target("avx2"))) bar(void *a) {
2639      __m256i x = *(__m256i *)a;
2640      return _mm256_testz_si256(x, x);
2641    }
2642    int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2643  '''), error_message: 'AVX2 not available').allowed())
2644
2645config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2646  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2647  .require(cc.links('''
2648    #include <cpuid.h>
2649    #include <immintrin.h>
2650    static int __attribute__((target("avx512f"))) bar(void *a) {
2651      __m512i x = *(__m512i *)a;
2652      return _mm512_test_epi64_mask(x, x);
2653    }
2654    int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2655  '''), error_message: 'AVX512F not available').allowed())
2656
2657config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2658  .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2659  .require(cc.links('''
2660    #include <cpuid.h>
2661    #include <immintrin.h>
2662    static int __attribute__((target("avx512bw"))) bar(void *a) {
2663      __m512i *x = a;
2664      __m512i res= _mm512_abs_epi8(*x);
2665      return res[1];
2666    }
2667    int main(int argc, char *argv[]) { return bar(argv[0]); }
2668  '''), error_message: 'AVX512BW not available').allowed())
2669
2670have_pvrdma = get_option('pvrdma') \
2671  .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2672  .require(cc.compiles(gnu_source_prefix + '''
2673    #include <sys/mman.h>
2674    int main(void)
2675    {
2676      char buf = 0;
2677      void *addr = &buf;
2678      addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2679
2680      return 0;
2681    }'''), error_message: 'PVRDMA requires mremap').allowed()
2682
2683if have_pvrdma
2684  config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2685    #include <infiniband/verbs.h>
2686    int main(void)
2687    {
2688      struct ibv_mr *mr;
2689      struct ibv_pd *pd = NULL;
2690      size_t length = 10;
2691      uint64_t iova = 0;
2692      int access = 0;
2693      void *addr = NULL;
2694
2695      mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2696      ibv_dereg_mr(mr);
2697      return 0;
2698    }'''))
2699endif
2700
2701if get_option('membarrier').disabled()
2702  have_membarrier = false
2703elif targetos == 'windows'
2704  have_membarrier = true
2705elif targetos == 'linux'
2706  have_membarrier = cc.compiles('''
2707    #include <linux/membarrier.h>
2708    #include <sys/syscall.h>
2709    #include <unistd.h>
2710    #include <stdlib.h>
2711    int main(void) {
2712        syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2713        syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2714        exit(0);
2715    }''')
2716endif
2717config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2718  .require(have_membarrier, error_message: 'membarrier system call not available') \
2719  .allowed())
2720
2721have_afalg = get_option('crypto_afalg') \
2722  .require(cc.compiles(gnu_source_prefix + '''
2723    #include <errno.h>
2724    #include <sys/types.h>
2725    #include <sys/socket.h>
2726    #include <linux/if_alg.h>
2727    int main(void) {
2728      int sock;
2729      sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2730      return sock;
2731    }
2732  '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2733config_host_data.set('CONFIG_AF_ALG', have_afalg)
2734
2735config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2736  'linux/vm_sockets.h', 'AF_VSOCK',
2737  prefix: '#include <sys/socket.h>',
2738))
2739
2740have_vss = false
2741have_vss_sdk = false # old xp/2003 SDK
2742if targetos == 'windows' and link_language == 'cpp'
2743  have_vss = cxx.compiles('''
2744    #define __MIDL_user_allocate_free_DEFINED__
2745    #include <vss.h>
2746    int main(void) { return VSS_CTX_BACKUP; }''')
2747  have_vss_sdk = cxx.has_header('vscoordint.h')
2748endif
2749config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2750
2751foreach k, v: config_host
2752  if k.startswith('CONFIG_')
2753    config_host_data.set(k, v == 'y' ? 1 : v)
2754  endif
2755endforeach
2756
2757# Older versions of MinGW do not import _lock_file and _unlock_file properly.
2758# This was fixed for v6.0.0 with commit b48e3ac8969d.
2759if targetos == 'windows'
2760  config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2761    #include <stdio.h>
2762    int main(void) {
2763      _lock_file(NULL);
2764      _unlock_file(NULL);
2765      return 0;
2766    }''', name: '_lock_file and _unlock_file'))
2767endif
2768
2769if targetos == 'windows'
2770  mingw_has_setjmp_longjmp = cc.links('''
2771    #include <setjmp.h>
2772    int main(void) {
2773      /*
2774       * These functions are not available in setjmp header, but may be
2775       * available at link time, from libmingwex.a.
2776       */
2777      extern int __mingw_setjmp(jmp_buf);
2778      extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2779      jmp_buf env;
2780      __mingw_setjmp(env);
2781      __mingw_longjmp(env, 0);
2782    }
2783  ''', name: 'mingw setjmp and longjmp')
2784
2785  if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2786    error('mingw must provide setjmp/longjmp for windows-arm64')
2787  endif
2788endif
2789
2790########################
2791# Target configuration #
2792########################
2793
2794minikconf = find_program('scripts/minikconf.py')
2795config_all = {}
2796config_all_devices = {}
2797config_all_disas = {}
2798config_devices_mak_list = []
2799config_devices_h = {}
2800config_target_h = {}
2801config_target_mak = {}
2802
2803disassemblers = {
2804  'alpha' : ['CONFIG_ALPHA_DIS'],
2805  'avr' : ['CONFIG_AVR_DIS'],
2806  'cris' : ['CONFIG_CRIS_DIS'],
2807  'hexagon' : ['CONFIG_HEXAGON_DIS'],
2808  'hppa' : ['CONFIG_HPPA_DIS'],
2809  'i386' : ['CONFIG_I386_DIS'],
2810  'x86_64' : ['CONFIG_I386_DIS'],
2811  'm68k' : ['CONFIG_M68K_DIS'],
2812  'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2813  'mips' : ['CONFIG_MIPS_DIS'],
2814  'nios2' : ['CONFIG_NIOS2_DIS'],
2815  'or1k' : ['CONFIG_OPENRISC_DIS'],
2816  'ppc' : ['CONFIG_PPC_DIS'],
2817  'riscv' : ['CONFIG_RISCV_DIS'],
2818  'rx' : ['CONFIG_RX_DIS'],
2819  's390' : ['CONFIG_S390_DIS'],
2820  'sh4' : ['CONFIG_SH4_DIS'],
2821  'sparc' : ['CONFIG_SPARC_DIS'],
2822  'xtensa' : ['CONFIG_XTENSA_DIS'],
2823  'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2824}
2825
2826have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2827host_kconfig = \
2828  (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2829  (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2830  (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2831  (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2832  (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2833  (x11.found() ? ['CONFIG_X11=y'] : []) + \
2834  (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2835  (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2836  (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2837  (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2838  ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2839  (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2840  (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2841  (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2842
2843ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2844
2845default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2846actual_target_dirs = []
2847fdt_required = []
2848foreach target : target_dirs
2849  config_target = { 'TARGET_NAME': target.split('-')[0] }
2850  if target.endswith('linux-user')
2851    if targetos != 'linux'
2852      if default_targets
2853        continue
2854      endif
2855      error('Target @0@ is only available on a Linux host'.format(target))
2856    endif
2857    config_target += { 'CONFIG_LINUX_USER': 'y' }
2858  elif target.endswith('bsd-user')
2859    if 'CONFIG_BSD' not in config_host
2860      if default_targets
2861        continue
2862      endif
2863      error('Target @0@ is only available on a BSD host'.format(target))
2864    endif
2865    config_target += { 'CONFIG_BSD_USER': 'y' }
2866  elif target.endswith('softmmu')
2867    config_target += { 'CONFIG_SOFTMMU': 'y' }
2868  endif
2869  if target.endswith('-user')
2870    config_target += {
2871      'CONFIG_USER_ONLY': 'y',
2872      'CONFIG_QEMU_INTERP_PREFIX':
2873        get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2874    }
2875  endif
2876
2877  accel_kconfig = []
2878  foreach sym: accelerators
2879    if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2880      config_target += { sym: 'y' }
2881      config_all += { sym: 'y' }
2882      if target in modular_tcg
2883        config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2884      else
2885        config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2886      endif
2887      accel_kconfig += [ sym + '=y' ]
2888    endif
2889  endforeach
2890  if accel_kconfig.length() == 0
2891    if default_targets
2892      continue
2893    endif
2894    error('No accelerator available for target @0@'.format(target))
2895  endif
2896
2897  actual_target_dirs += target
2898  config_target += keyval.load('configs/targets' / target + '.mak')
2899  config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2900
2901  if 'TARGET_NEED_FDT' in config_target
2902    fdt_required += target
2903  endif
2904
2905  # Add default keys
2906  if 'TARGET_BASE_ARCH' not in config_target
2907    config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2908  endif
2909  if 'TARGET_ABI_DIR' not in config_target
2910    config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2911  endif
2912  if 'TARGET_BIG_ENDIAN' not in config_target
2913    config_target += {'TARGET_BIG_ENDIAN': 'n'}
2914  endif
2915
2916  foreach k, v: disassemblers
2917    if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2918      foreach sym: v
2919        config_target += { sym: 'y' }
2920        config_all_disas += { sym: 'y' }
2921      endforeach
2922    endif
2923  endforeach
2924
2925  config_target_data = configuration_data()
2926  foreach k, v: config_target
2927    if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2928      # do nothing
2929    elif ignored.contains(k)
2930      # do nothing
2931    elif k == 'TARGET_BASE_ARCH'
2932      # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2933      # not used to select files from sourcesets.
2934      config_target_data.set('TARGET_' + v.to_upper(), 1)
2935    elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2936      config_target_data.set_quoted(k, v)
2937    elif v == 'y'
2938      config_target_data.set(k, 1)
2939    elif v == 'n'
2940      config_target_data.set(k, 0)
2941    else
2942      config_target_data.set(k, v)
2943    endif
2944  endforeach
2945  config_target_data.set('QEMU_ARCH',
2946                         'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2947  config_target_h += {target: configure_file(output: target + '-config-target.h',
2948                                               configuration: config_target_data)}
2949
2950  if target.endswith('-softmmu')
2951    config_input = meson.get_external_property(target, 'default')
2952    config_devices_mak = target + '-config-devices.mak'
2953    config_devices_mak = configure_file(
2954      input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2955      output: config_devices_mak,
2956      depfile: config_devices_mak + '.d',
2957      capture: true,
2958      command: [minikconf,
2959                get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2960                config_devices_mak, '@DEPFILE@', '@INPUT@',
2961                host_kconfig, accel_kconfig,
2962                'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2963
2964    config_devices_data = configuration_data()
2965    config_devices = keyval.load(config_devices_mak)
2966    foreach k, v: config_devices
2967      config_devices_data.set(k, 1)
2968    endforeach
2969    config_devices_mak_list += config_devices_mak
2970    config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2971                                                configuration: config_devices_data)}
2972    config_target += config_devices
2973    config_all_devices += config_devices
2974  endif
2975  config_target_mak += {target: config_target}
2976endforeach
2977target_dirs = actual_target_dirs
2978
2979# This configuration is used to build files that are shared by
2980# multiple binaries, and then extracted out of the "common"
2981# static_library target.
2982#
2983# We do not use all_sources()/all_dependencies(), because it would
2984# build literally all source files, including devices only used by
2985# targets that are not built for this compilation.  The CONFIG_ALL
2986# pseudo symbol replaces it.
2987
2988config_all += config_all_devices
2989config_all += config_host
2990config_all += config_all_disas
2991config_all += {
2992  'CONFIG_XEN': xen.found(),
2993  'CONFIG_SOFTMMU': have_system,
2994  'CONFIG_USER_ONLY': have_user,
2995  'CONFIG_ALL': true,
2996}
2997
2998target_configs_h = []
2999foreach target: target_dirs
3000  target_configs_h += config_target_h[target]
3001  target_configs_h += config_devices_h.get(target, [])
3002endforeach
3003genh += custom_target('config-poison.h',
3004                      input: [target_configs_h],
3005                      output: 'config-poison.h',
3006                      capture: true,
3007                      command: [find_program('scripts/make-config-poison.sh'),
3008                                target_configs_h])
3009
3010##############
3011# Submodules #
3012##############
3013
3014capstone = not_found
3015if not get_option('capstone').auto() or have_system or have_user
3016  capstone = dependency('capstone', version: '>=3.0.5',
3017                        method: 'pkg-config',
3018                        required: get_option('capstone'))
3019
3020  # Some versions of capstone have broken pkg-config file
3021  # that reports a wrong -I path, causing the #include to
3022  # fail later. If the system has such a broken version
3023  # do not use it.
3024  if capstone.found() and not cc.compiles('#include <capstone.h>',
3025                                          dependencies: [capstone])
3026    capstone = not_found
3027    if get_option('capstone').enabled()
3028      error('capstone requested, but it does not appear to work')
3029    endif
3030  endif
3031endif
3032
3033libvfio_user_dep = not_found
3034if have_system and vfio_user_server_allowed
3035  libvfio_user_proj = subproject('libvfio-user', required: true)
3036  libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3037endif
3038
3039fdt = not_found
3040fdt_opt = get_option('fdt')
3041if fdt_required.length() > 0 or fdt_opt == 'enabled'
3042  if fdt_opt == 'disabled'
3043    error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3044  endif
3045
3046  if fdt_opt in ['enabled', 'auto', 'system']
3047    fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3048    if fdt.found() and cc.links('''
3049       #include <libfdt.h>
3050       #include <libfdt_env.h>
3051       int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3052         dependencies: fdt)
3053      fdt_opt = 'system'
3054    elif fdt_opt == 'system'
3055       error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3056    else
3057      fdt_opt = 'internal'
3058      fdt = not_found
3059    endif
3060  endif
3061  if not fdt.found()
3062    assert(fdt_opt == 'internal')
3063    libfdt_proj = subproject('dtc', required: true,
3064                             default_options: ['tools=false',  'yaml=disabled',
3065                                               'python=disabled', 'default_library=static'])
3066    fdt = libfdt_proj.get_variable('libfdt_dep')
3067  endif
3068else
3069  fdt_opt = 'disabled'
3070endif
3071
3072config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3073config_host_data.set('CONFIG_FDT', fdt.found())
3074config_host_data.set('CONFIG_SLIRP', slirp.found())
3075
3076#####################
3077# Generated sources #
3078#####################
3079
3080genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3081
3082hxtool = find_program('scripts/hxtool')
3083shaderinclude = find_program('scripts/shaderinclude.py')
3084qapi_gen = find_program('scripts/qapi-gen.py')
3085qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3086                     meson.current_source_dir() / 'scripts/qapi/commands.py',
3087                     meson.current_source_dir() / 'scripts/qapi/common.py',
3088                     meson.current_source_dir() / 'scripts/qapi/error.py',
3089                     meson.current_source_dir() / 'scripts/qapi/events.py',
3090                     meson.current_source_dir() / 'scripts/qapi/expr.py',
3091                     meson.current_source_dir() / 'scripts/qapi/gen.py',
3092                     meson.current_source_dir() / 'scripts/qapi/introspect.py',
3093                     meson.current_source_dir() / 'scripts/qapi/main.py',
3094                     meson.current_source_dir() / 'scripts/qapi/parser.py',
3095                     meson.current_source_dir() / 'scripts/qapi/schema.py',
3096                     meson.current_source_dir() / 'scripts/qapi/source.py',
3097                     meson.current_source_dir() / 'scripts/qapi/types.py',
3098                     meson.current_source_dir() / 'scripts/qapi/visit.py',
3099                     meson.current_source_dir() / 'scripts/qapi-gen.py'
3100]
3101
3102tracetool = [
3103  python, files('scripts/tracetool.py'),
3104   '--backend=' + ','.join(get_option('trace_backends'))
3105]
3106tracetool_depends = files(
3107  'scripts/tracetool/backend/log.py',
3108  'scripts/tracetool/backend/__init__.py',
3109  'scripts/tracetool/backend/dtrace.py',
3110  'scripts/tracetool/backend/ftrace.py',
3111  'scripts/tracetool/backend/simple.py',
3112  'scripts/tracetool/backend/syslog.py',
3113  'scripts/tracetool/backend/ust.py',
3114  'scripts/tracetool/format/ust_events_c.py',
3115  'scripts/tracetool/format/ust_events_h.py',
3116  'scripts/tracetool/format/__init__.py',
3117  'scripts/tracetool/format/d.py',
3118  'scripts/tracetool/format/simpletrace_stap.py',
3119  'scripts/tracetool/format/c.py',
3120  'scripts/tracetool/format/h.py',
3121  'scripts/tracetool/format/log_stap.py',
3122  'scripts/tracetool/format/stap.py',
3123  'scripts/tracetool/__init__.py',
3124  'scripts/tracetool/vcpu.py'
3125)
3126
3127qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3128                    meson.current_source_dir(),
3129                    get_option('pkgversion'), meson.project_version()]
3130qemu_version = custom_target('qemu-version.h',
3131                             output: 'qemu-version.h',
3132                             command: qemu_version_cmd,
3133                             capture: true,
3134                             build_by_default: true,
3135                             build_always_stale: true)
3136genh += qemu_version
3137
3138hxdep = []
3139hx_headers = [
3140  ['qemu-options.hx', 'qemu-options.def'],
3141  ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3142]
3143if have_system
3144  hx_headers += [
3145    ['hmp-commands.hx', 'hmp-commands.h'],
3146    ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3147  ]
3148endif
3149foreach d : hx_headers
3150  hxdep += custom_target(d[1],
3151                input: files(d[0]),
3152                output: d[1],
3153                capture: true,
3154                build_by_default: true, # to be removed when added to a target
3155                command: [hxtool, '-h', '@INPUT0@'])
3156endforeach
3157genh += hxdep
3158
3159###################
3160# Collect sources #
3161###################
3162
3163authz_ss = ss.source_set()
3164blockdev_ss = ss.source_set()
3165block_ss = ss.source_set()
3166chardev_ss = ss.source_set()
3167common_ss = ss.source_set()
3168crypto_ss = ss.source_set()
3169hwcore_ss = ss.source_set()
3170io_ss = ss.source_set()
3171qmp_ss = ss.source_set()
3172qom_ss = ss.source_set()
3173softmmu_ss = ss.source_set()
3174specific_fuzz_ss = ss.source_set()
3175specific_ss = ss.source_set()
3176stub_ss = ss.source_set()
3177trace_ss = ss.source_set()
3178user_ss = ss.source_set()
3179util_ss = ss.source_set()
3180
3181# accel modules
3182qtest_module_ss = ss.source_set()
3183tcg_module_ss = ss.source_set()
3184
3185modules = {}
3186target_modules = {}
3187hw_arch = {}
3188target_arch = {}
3189target_softmmu_arch = {}
3190target_user_arch = {}
3191
3192###############
3193# Trace files #
3194###############
3195
3196# TODO: add each directory to the subdirs from its own meson.build, once
3197# we have those
3198trace_events_subdirs = [
3199  'crypto',
3200  'qapi',
3201  'qom',
3202  'monitor',
3203  'util',
3204  'gdbstub',
3205]
3206if have_linux_user
3207  trace_events_subdirs += [ 'linux-user' ]
3208endif
3209if have_bsd_user
3210  trace_events_subdirs += [ 'bsd-user' ]
3211endif
3212if have_block
3213  trace_events_subdirs += [
3214    'authz',
3215    'block',
3216    'io',
3217    'nbd',
3218    'scsi',
3219  ]
3220endif
3221if have_system
3222  trace_events_subdirs += [
3223    'accel/kvm',
3224    'audio',
3225    'backends',
3226    'backends/tpm',
3227    'chardev',
3228    'ebpf',
3229    'hw/9pfs',
3230    'hw/acpi',
3231    'hw/adc',
3232    'hw/alpha',
3233    'hw/arm',
3234    'hw/audio',
3235    'hw/block',
3236    'hw/block/dataplane',
3237    'hw/char',
3238    'hw/display',
3239    'hw/dma',
3240    'hw/hyperv',
3241    'hw/i2c',
3242    'hw/i386',
3243    'hw/i386/xen',
3244    'hw/i386/kvm',
3245    'hw/ide',
3246    'hw/input',
3247    'hw/intc',
3248    'hw/isa',
3249    'hw/mem',
3250    'hw/mips',
3251    'hw/misc',
3252    'hw/misc/macio',
3253    'hw/net',
3254    'hw/net/can',
3255    'hw/nubus',
3256    'hw/nvme',
3257    'hw/nvram',
3258    'hw/pci',
3259    'hw/pci-host',
3260    'hw/ppc',
3261    'hw/rdma',
3262    'hw/rdma/vmw',
3263    'hw/rtc',
3264    'hw/s390x',
3265    'hw/scsi',
3266    'hw/sd',
3267    'hw/sh4',
3268    'hw/sparc',
3269    'hw/sparc64',
3270    'hw/ssi',
3271    'hw/timer',
3272    'hw/tpm',
3273    'hw/usb',
3274    'hw/vfio',
3275    'hw/virtio',
3276    'hw/watchdog',
3277    'hw/xen',
3278    'hw/gpio',
3279    'migration',
3280    'net',
3281    'softmmu',
3282    'ui',
3283    'hw/remote',
3284  ]
3285endif
3286if have_system or have_user
3287  trace_events_subdirs += [
3288    'accel/tcg',
3289    'hw/core',
3290    'target/arm',
3291    'target/arm/hvf',
3292    'target/hppa',
3293    'target/i386',
3294    'target/i386/kvm',
3295    'target/mips/tcg',
3296    'target/nios2',
3297    'target/ppc',
3298    'target/riscv',
3299    'target/s390x',
3300    'target/s390x/kvm',
3301    'target/sparc',
3302  ]
3303endif
3304
3305vhost_user = not_found
3306if targetos == 'linux' and have_vhost_user
3307  libvhost_user = subproject('libvhost-user')
3308  vhost_user = libvhost_user.get_variable('vhost_user_dep')
3309endif
3310
3311libvduse = not_found
3312if have_libvduse
3313  libvduse_proj = subproject('libvduse')
3314  libvduse = libvduse_proj.get_variable('libvduse_dep')
3315endif
3316
3317# NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3318# that is filled in by qapi/.
3319subdir('qapi')
3320subdir('qobject')
3321subdir('stubs')
3322subdir('trace')
3323subdir('util')
3324subdir('qom')
3325subdir('authz')
3326subdir('crypto')
3327subdir('ui')
3328subdir('hw')
3329subdir('gdbstub')
3330
3331if enable_modules
3332  libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3333  modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3334endif
3335
3336qom_ss = qom_ss.apply(config_host, strict: false)
3337libqom = static_library('qom', qom_ss.sources() + genh,
3338                        dependencies: [qom_ss.dependencies()],
3339                        name_suffix: 'fa')
3340qom = declare_dependency(link_whole: libqom)
3341
3342event_loop_base = files('event-loop-base.c')
3343event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3344                                 build_by_default: true)
3345event_loop_base = declare_dependency(link_whole: event_loop_base,
3346                                     dependencies: [qom])
3347
3348stub_ss = stub_ss.apply(config_all, strict: false)
3349
3350util_ss.add_all(trace_ss)
3351util_ss = util_ss.apply(config_all, strict: false)
3352libqemuutil = static_library('qemuutil',
3353                             sources: util_ss.sources() + stub_ss.sources() + genh,
3354                             dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3355qemuutil = declare_dependency(link_with: libqemuutil,
3356                              sources: genh + version_res,
3357                              dependencies: [event_loop_base])
3358
3359if have_system or have_user
3360  decodetree = generator(find_program('scripts/decodetree.py'),
3361                         output: 'decode-@BASENAME@.c.inc',
3362                         arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3363  subdir('libdecnumber')
3364  subdir('target')
3365endif
3366
3367subdir('audio')
3368subdir('io')
3369subdir('chardev')
3370subdir('fsdev')
3371subdir('dump')
3372
3373if have_block
3374  block_ss.add(files(
3375    'block.c',
3376    'blockjob.c',
3377    'job.c',
3378    'qemu-io-cmds.c',
3379  ))
3380  if config_host_data.get('CONFIG_REPLICATION')
3381    block_ss.add(files('replication.c'))
3382  endif
3383
3384  subdir('nbd')
3385  subdir('scsi')
3386  subdir('block')
3387
3388  blockdev_ss.add(files(
3389    'blockdev.c',
3390    'blockdev-nbd.c',
3391    'iothread.c',
3392    'job-qmp.c',
3393  ), gnutls)
3394
3395  # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3396  # os-win32.c does not
3397  blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3398  softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3399endif
3400
3401common_ss.add(files('cpus-common.c'))
3402specific_ss.add(files('cpu.c'))
3403
3404subdir('softmmu')
3405
3406# Work around a gcc bug/misfeature wherein constant propagation looks
3407# through an alias:
3408#   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3409# to guess that a const variable is always zero.  Without lto, this is
3410# impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3411# without lto, not even the alias is required -- we simply use different
3412# declarations in different compilation units.
3413pagevary = files('page-vary-common.c')
3414if get_option('b_lto')
3415  pagevary_flags = ['-fno-lto']
3416  if get_option('cfi')
3417    pagevary_flags += '-fno-sanitize=cfi-icall'
3418  endif
3419  pagevary = static_library('page-vary-common', sources: pagevary + genh,
3420                            c_args: pagevary_flags)
3421  pagevary = declare_dependency(link_with: pagevary)
3422endif
3423common_ss.add(pagevary)
3424specific_ss.add(files('page-vary.c'))
3425
3426subdir('backends')
3427subdir('disas')
3428subdir('migration')
3429subdir('monitor')
3430subdir('net')
3431subdir('replay')
3432subdir('semihosting')
3433subdir('stats')
3434subdir('tcg')
3435subdir('fpu')
3436subdir('accel')
3437subdir('plugins')
3438subdir('ebpf')
3439
3440common_user_inc = []
3441
3442subdir('common-user')
3443subdir('bsd-user')
3444subdir('linux-user')
3445
3446# needed for fuzzing binaries
3447subdir('tests/qtest/libqos')
3448subdir('tests/qtest/fuzz')
3449
3450# accel modules
3451tcg_real_module_ss = ss.source_set()
3452tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3453specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3454target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3455                                'tcg': tcg_real_module_ss }}
3456
3457########################
3458# Library dependencies #
3459########################
3460
3461modinfo_collect = find_program('scripts/modinfo-collect.py')
3462modinfo_generate = find_program('scripts/modinfo-generate.py')
3463modinfo_files = []
3464
3465block_mods = []
3466softmmu_mods = []
3467foreach d, list : modules
3468  if not (d == 'block' ? have_block : have_system)
3469    continue
3470  endif
3471
3472  foreach m, module_ss : list
3473    if enable_modules
3474      module_ss = module_ss.apply(config_all, strict: false)
3475      sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3476                          dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3477      if d == 'block'
3478        block_mods += sl
3479      else
3480        softmmu_mods += sl
3481      endif
3482      if module_ss.sources() != []
3483        # FIXME: Should use sl.extract_all_objects(recursive: true) as
3484        # input. Sources can be used multiple times but objects are
3485        # unique when it comes to lookup in compile_commands.json.
3486        # Depnds on a mesion version with
3487        # https://github.com/mesonbuild/meson/pull/8900
3488        modinfo_files += custom_target(d + '-' + m + '.modinfo',
3489                                       output: d + '-' + m + '.modinfo',
3490                                       input: module_ss.sources() + genh,
3491                                       capture: true,
3492                                       command: [modinfo_collect, module_ss.sources()])
3493      endif
3494    else
3495      if d == 'block'
3496        block_ss.add_all(module_ss)
3497      else
3498        softmmu_ss.add_all(module_ss)
3499      endif
3500    endif
3501  endforeach
3502endforeach
3503
3504foreach d, list : target_modules
3505  foreach m, module_ss : list
3506    if enable_modules
3507      foreach target : target_dirs
3508        if target.endswith('-softmmu')
3509          config_target = config_target_mak[target]
3510          config_target += config_host
3511          target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3512          c_args = ['-DNEED_CPU_H',
3513                    '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3514                    '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3515          target_module_ss = module_ss.apply(config_target, strict: false)
3516          if target_module_ss.sources() != []
3517            module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3518            sl = static_library(module_name,
3519                                [genh, target_module_ss.sources()],
3520                                dependencies: [modulecommon, target_module_ss.dependencies()],
3521                                include_directories: target_inc,
3522                                c_args: c_args,
3523                                pic: true)
3524            softmmu_mods += sl
3525            # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3526            modinfo_files += custom_target(module_name + '.modinfo',
3527                                           output: module_name + '.modinfo',
3528                                           input: target_module_ss.sources() + genh,
3529                                           capture: true,
3530                                           command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3531          endif
3532        endif
3533      endforeach
3534    else
3535      specific_ss.add_all(module_ss)
3536    endif
3537  endforeach
3538endforeach
3539
3540if enable_modules
3541  foreach target : target_dirs
3542    if target.endswith('-softmmu')
3543      config_target = config_target_mak[target]
3544      config_devices_mak = target + '-config-devices.mak'
3545      modinfo_src = custom_target('modinfo-' + target + '.c',
3546                                  output: 'modinfo-' + target + '.c',
3547                                  input: modinfo_files,
3548                                  command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3549                                  capture: true)
3550
3551      modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3552      modinfo_dep = declare_dependency(link_with: modinfo_lib)
3553
3554      arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3555      hw_arch[arch].add(modinfo_dep)
3556    endif
3557  endforeach
3558endif
3559
3560nm = find_program('nm')
3561undefsym = find_program('scripts/undefsym.py')
3562block_syms = custom_target('block.syms', output: 'block.syms',
3563                             input: [libqemuutil, block_mods],
3564                             capture: true,
3565                             command: [undefsym, nm, '@INPUT@'])
3566qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3567                             input: [libqemuutil, softmmu_mods],
3568                             capture: true,
3569                             command: [undefsym, nm, '@INPUT@'])
3570
3571authz_ss = authz_ss.apply(config_host, strict: false)
3572libauthz = static_library('authz', authz_ss.sources() + genh,
3573                          dependencies: [authz_ss.dependencies()],
3574                          name_suffix: 'fa',
3575                          build_by_default: false)
3576
3577authz = declare_dependency(link_whole: libauthz,
3578                           dependencies: qom)
3579
3580crypto_ss = crypto_ss.apply(config_host, strict: false)
3581libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3582                           dependencies: [crypto_ss.dependencies()],
3583                           name_suffix: 'fa',
3584                           build_by_default: false)
3585
3586crypto = declare_dependency(link_whole: libcrypto,
3587                            dependencies: [authz, qom])
3588
3589io_ss = io_ss.apply(config_host, strict: false)
3590libio = static_library('io', io_ss.sources() + genh,
3591                       dependencies: [io_ss.dependencies()],
3592                       link_with: libqemuutil,
3593                       name_suffix: 'fa',
3594                       build_by_default: false)
3595
3596io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3597
3598libmigration = static_library('migration', sources: migration_files + genh,
3599                              name_suffix: 'fa',
3600                              build_by_default: false)
3601migration = declare_dependency(link_with: libmigration,
3602                               dependencies: [zlib, qom, io])
3603softmmu_ss.add(migration)
3604
3605block_ss = block_ss.apply(config_host, strict: false)
3606libblock = static_library('block', block_ss.sources() + genh,
3607                          dependencies: block_ss.dependencies(),
3608                          link_depends: block_syms,
3609                          name_suffix: 'fa',
3610                          build_by_default: false)
3611
3612block = declare_dependency(link_whole: [libblock],
3613                           link_args: '@block.syms',
3614                           dependencies: [crypto, io])
3615
3616blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3617libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3618                             dependencies: blockdev_ss.dependencies(),
3619                             name_suffix: 'fa',
3620                             build_by_default: false)
3621
3622blockdev = declare_dependency(link_whole: [libblockdev],
3623                              dependencies: [block, event_loop_base])
3624
3625qmp_ss = qmp_ss.apply(config_host, strict: false)
3626libqmp = static_library('qmp', qmp_ss.sources() + genh,
3627                        dependencies: qmp_ss.dependencies(),
3628                        name_suffix: 'fa',
3629                        build_by_default: false)
3630
3631qmp = declare_dependency(link_whole: [libqmp])
3632
3633libchardev = static_library('chardev', chardev_ss.sources() + genh,
3634                            name_suffix: 'fa',
3635                            dependencies: chardev_ss.dependencies(),
3636                            build_by_default: false)
3637
3638chardev = declare_dependency(link_whole: libchardev)
3639
3640hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3641libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3642                           name_suffix: 'fa',
3643                           build_by_default: false)
3644hwcore = declare_dependency(link_whole: libhwcore)
3645common_ss.add(hwcore)
3646
3647###########
3648# Targets #
3649###########
3650
3651emulator_modules = []
3652foreach m : block_mods + softmmu_mods
3653  emulator_modules += shared_module(m.name(),
3654                build_by_default: true,
3655                name_prefix: '',
3656                link_whole: m,
3657                install: true,
3658                install_dir: qemu_moddir)
3659endforeach
3660if emulator_modules.length() > 0
3661  alias_target('modules', emulator_modules)
3662endif
3663
3664softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3665common_ss.add(qom, qemuutil)
3666
3667common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3668common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3669
3670common_all = common_ss.apply(config_all, strict: false)
3671common_all = static_library('common',
3672                            build_by_default: false,
3673                            sources: common_all.sources() + genh,
3674                            include_directories: common_user_inc,
3675                            implicit_include_directories: false,
3676                            dependencies: common_all.dependencies(),
3677                            name_suffix: 'fa')
3678
3679feature_to_c = find_program('scripts/feature_to_c.sh')
3680
3681if targetos == 'darwin'
3682  entitlement = find_program('scripts/entitlement.sh')
3683endif
3684
3685emulators = {}
3686foreach target : target_dirs
3687  config_target = config_target_mak[target]
3688  target_name = config_target['TARGET_NAME']
3689  target_base_arch = config_target['TARGET_BASE_ARCH']
3690  arch_srcs = [config_target_h[target]]
3691  arch_deps = []
3692  c_args = ['-DNEED_CPU_H',
3693            '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3694            '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3695  link_args = emulator_link_args
3696
3697  config_target += config_host
3698  target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3699  if targetos == 'linux'
3700    target_inc += include_directories('linux-headers', is_system: true)
3701  endif
3702  if target.endswith('-softmmu')
3703    target_type='system'
3704    t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3705    arch_srcs += t.sources()
3706    arch_deps += t.dependencies()
3707
3708    hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3709    hw = hw_arch[hw_dir].apply(config_target, strict: false)
3710    arch_srcs += hw.sources()
3711    arch_deps += hw.dependencies()
3712
3713    arch_srcs += config_devices_h[target]
3714    link_args += ['@block.syms', '@qemu.syms']
3715  else
3716    abi = config_target['TARGET_ABI_DIR']
3717    target_type='user'
3718    target_inc += common_user_inc
3719    if target_base_arch in target_user_arch
3720      t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3721      arch_srcs += t.sources()
3722      arch_deps += t.dependencies()
3723    endif
3724    if 'CONFIG_LINUX_USER' in config_target
3725      base_dir = 'linux-user'
3726    endif
3727    if 'CONFIG_BSD_USER' in config_target
3728      base_dir = 'bsd-user'
3729      target_inc += include_directories('bsd-user/' / targetos)
3730      target_inc += include_directories('bsd-user/host/' / host_arch)
3731      dir = base_dir / abi
3732      arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3733    endif
3734    target_inc += include_directories(
3735      base_dir,
3736      base_dir / abi,
3737    )
3738    if 'CONFIG_LINUX_USER' in config_target
3739      dir = base_dir / abi
3740      arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3741      if config_target.has_key('TARGET_SYSTBL_ABI')
3742        arch_srcs += \
3743          syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3744                                             extra_args : config_target['TARGET_SYSTBL_ABI'])
3745      endif
3746    endif
3747  endif
3748
3749  if 'TARGET_XML_FILES' in config_target
3750    gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3751                                output: target + '-gdbstub-xml.c',
3752                                input: files(config_target['TARGET_XML_FILES'].split()),
3753                                command: [feature_to_c, '@INPUT@'],
3754                                capture: true)
3755    arch_srcs += gdbstub_xml
3756  endif
3757
3758  t = target_arch[target_base_arch].apply(config_target, strict: false)
3759  arch_srcs += t.sources()
3760  arch_deps += t.dependencies()
3761
3762  target_common = common_ss.apply(config_target, strict: false)
3763  objects = common_all.extract_objects(target_common.sources())
3764  deps = target_common.dependencies()
3765
3766  target_specific = specific_ss.apply(config_target, strict: false)
3767  arch_srcs += target_specific.sources()
3768  arch_deps += target_specific.dependencies()
3769
3770  lib = static_library('qemu-' + target,
3771                 sources: arch_srcs + genh,
3772                 dependencies: arch_deps,
3773                 objects: objects,
3774                 include_directories: target_inc,
3775                 c_args: c_args,
3776                 build_by_default: false,
3777                 name_suffix: 'fa')
3778
3779  if target.endswith('-softmmu')
3780    execs = [{
3781      'name': 'qemu-system-' + target_name,
3782      'win_subsystem': 'console',
3783      'sources': files('softmmu/main.c'),
3784      'dependencies': []
3785    }]
3786    if targetos == 'windows' and (sdl.found() or gtk.found())
3787      execs += [{
3788        'name': 'qemu-system-' + target_name + 'w',
3789        'win_subsystem': 'windows',
3790        'sources': files('softmmu/main.c'),
3791        'dependencies': []
3792      }]
3793    endif
3794    if get_option('fuzzing')
3795      specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3796      execs += [{
3797        'name': 'qemu-fuzz-' + target_name,
3798        'win_subsystem': 'console',
3799        'sources': specific_fuzz.sources(),
3800        'dependencies': specific_fuzz.dependencies(),
3801      }]
3802    endif
3803  else
3804    execs = [{
3805      'name': 'qemu-' + target_name,
3806      'win_subsystem': 'console',
3807      'sources': [],
3808      'dependencies': []
3809    }]
3810  endif
3811  foreach exe: execs
3812    exe_name = exe['name']
3813    if targetos == 'darwin'
3814      exe_name += '-unsigned'
3815    endif
3816
3817    emulator = executable(exe_name, exe['sources'],
3818               install: true,
3819               c_args: c_args,
3820               dependencies: arch_deps + deps + exe['dependencies'],
3821               objects: lib.extract_all_objects(recursive: true),
3822               link_language: link_language,
3823               link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3824               link_args: link_args,
3825               win_subsystem: exe['win_subsystem'])
3826
3827    if targetos == 'darwin'
3828      icon = 'pc-bios/qemu.rsrc'
3829      build_input = [emulator, files(icon)]
3830      install_input = [
3831        get_option('bindir') / exe_name,
3832        meson.current_source_dir() / icon
3833      ]
3834      if 'CONFIG_HVF' in config_target
3835        entitlements = 'accel/hvf/entitlements.plist'
3836        build_input += files(entitlements)
3837        install_input += meson.current_source_dir() / entitlements
3838      endif
3839
3840      emulators += {exe['name'] : custom_target(exe['name'],
3841                   input: build_input,
3842                   output: exe['name'],
3843                   command: [entitlement, '@OUTPUT@', '@INPUT@'])
3844      }
3845
3846      meson.add_install_script(entitlement, '--install',
3847                               get_option('bindir') / exe['name'],
3848                               install_input)
3849    else
3850      emulators += {exe['name']: emulator}
3851    endif
3852
3853    if stap.found()
3854      foreach stp: [
3855        {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3856        {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3857        {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3858        {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3859      ]
3860        custom_target(exe['name'] + stp['ext'],
3861                      input: trace_events_all,
3862                      output: exe['name'] + stp['ext'],
3863                      install: stp['install'],
3864                      install_dir: get_option('datadir') / 'systemtap/tapset',
3865                      command: [
3866                        tracetool, '--group=all', '--format=' + stp['fmt'],
3867                        '--binary=' + stp['bin'],
3868                        '--target-name=' + target_name,
3869                        '--target-type=' + target_type,
3870                        '--probe-prefix=qemu.' + target_type + '.' + target_name,
3871                        '@INPUT@', '@OUTPUT@'
3872                      ],
3873                      depend_files: tracetool_depends)
3874      endforeach
3875    endif
3876  endforeach
3877endforeach
3878
3879# Other build targets
3880
3881if 'CONFIG_PLUGIN' in config_host
3882  install_headers('include/qemu/qemu-plugin.h')
3883endif
3884
3885subdir('qga')
3886
3887# Don't build qemu-keymap if xkbcommon is not explicitly enabled
3888# when we don't build tools or system
3889if xkbcommon.found()
3890  # used for the update-keymaps target, so include rules even if !have_tools
3891  qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3892                           dependencies: [qemuutil, xkbcommon], install: have_tools)
3893endif
3894
3895if have_tools
3896  qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3897             dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3898  qemu_io = executable('qemu-io', files('qemu-io.c'),
3899             dependencies: [block, qemuutil], install: true)
3900  qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3901               dependencies: [blockdev, qemuutil, gnutls, selinux],
3902               install: true)
3903
3904  subdir('storage-daemon')
3905  subdir('contrib/rdmacm-mux')
3906  subdir('contrib/elf2dmp')
3907
3908  executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3909             dependencies: qemuutil,
3910             install: true)
3911
3912  if have_vhost_user
3913    subdir('contrib/vhost-user-blk')
3914    subdir('contrib/vhost-user-gpu')
3915    subdir('contrib/vhost-user-input')
3916    subdir('contrib/vhost-user-scsi')
3917  endif
3918
3919  if targetos == 'linux'
3920    executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3921               dependencies: [qemuutil, libcap_ng],
3922               install: true,
3923               install_dir: get_option('libexecdir'))
3924
3925    executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3926               dependencies: [authz, crypto, io, qom, qemuutil,
3927                              libcap_ng, mpathpersist],
3928               install: true)
3929  endif
3930
3931  if have_ivshmem
3932    subdir('contrib/ivshmem-client')
3933    subdir('contrib/ivshmem-server')
3934  endif
3935endif
3936
3937subdir('scripts')
3938subdir('tools')
3939subdir('pc-bios')
3940subdir('docs')
3941subdir('tests')
3942if gtk.found()
3943  subdir('po')
3944endif
3945
3946if host_machine.system() == 'windows'
3947  nsis_cmd = [
3948    find_program('scripts/nsis.py'),
3949    '@OUTPUT@',
3950    get_option('prefix'),
3951    meson.current_source_dir(),
3952    glib_pc.get_variable('bindir'),
3953    host_machine.cpu(),
3954    '--',
3955    '-DDISPLAYVERSION=' + meson.project_version(),
3956  ]
3957  if build_docs
3958    nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3959  endif
3960  if gtk.found()
3961    nsis_cmd += '-DCONFIG_GTK=y'
3962  endif
3963
3964  nsis = custom_target('nsis',
3965                       output: 'qemu-setup-' + meson.project_version() + '.exe',
3966                       input: files('qemu.nsi'),
3967                       build_always_stale: true,
3968                       command: nsis_cmd + ['@INPUT@'])
3969  alias_target('installer', nsis)
3970endif
3971
3972#########################
3973# Configuration summary #
3974#########################
3975
3976# Build environment
3977summary_info = {}
3978summary_info += {'Build directory':   meson.current_build_dir()}
3979summary_info += {'Source path':       meson.current_source_dir()}
3980summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
3981summary(summary_info, bool_yn: true, section: 'Build environment')
3982
3983# Directories
3984summary_info += {'Install prefix':    get_option('prefix')}
3985summary_info += {'BIOS directory':    qemu_datadir}
3986pathsep = targetos == 'windows' ? ';' : ':'
3987summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
3988summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3989summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3990summary_info += {'module directory':  qemu_moddir}
3991summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3992summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3993summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3994if targetos != 'windows'
3995  summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3996  summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3997else
3998  summary_info += {'local state directory': 'queried at runtime'}
3999endif
4000summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
4001summary(summary_info, bool_yn: true, section: 'Directories')
4002
4003# Host binaries
4004summary_info = {}
4005summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4006summary_info += {'sphinx-build':      sphinx_build}
4007if config_host.has_key('HAVE_GDB_BIN')
4008  summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
4009endif
4010summary_info += {'iasl':              iasl}
4011summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
4012if targetos == 'windows' and have_ga
4013  summary_info += {'wixl':            wixl}
4014endif
4015if slirp.found() and have_system
4016  summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
4017endif
4018summary(summary_info, bool_yn: true, section: 'Host binaries')
4019
4020# Configurable features
4021summary_info = {}
4022summary_info += {'Documentation':     build_docs}
4023summary_info += {'system-mode emulation': have_system}
4024summary_info += {'user-mode emulation': have_user}
4025summary_info += {'block layer':       have_block}
4026summary_info += {'Install blobs':     get_option('install_blobs')}
4027summary_info += {'module support':    enable_modules}
4028if enable_modules
4029  summary_info += {'alternative module path': get_option('module_upgrades')}
4030endif
4031summary_info += {'fuzzing support':   get_option('fuzzing')}
4032if have_system
4033  summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
4034endif
4035summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
4036if 'simple' in get_option('trace_backends')
4037  summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4038endif
4039summary_info += {'D-Bus display':     dbus_display}
4040summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
4041summary_info += {'vhost-kernel support': have_vhost_kernel}
4042summary_info += {'vhost-net support': have_vhost_net}
4043summary_info += {'vhost-user support': have_vhost_user}
4044summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4045summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4046summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4047summary_info += {'build guest agent': have_ga}
4048summary(summary_info, bool_yn: true, section: 'Configurable features')
4049
4050# Compilation information
4051summary_info = {}
4052summary_info += {'host CPU':          cpu}
4053summary_info += {'host endianness':   build_machine.endian()}
4054summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
4055summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4056if link_language == 'cpp'
4057  summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
4058else
4059  summary_info += {'C++ compiler':      false}
4060endif
4061if targetos == 'darwin'
4062  summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4063endif
4064option_cflags = (get_option('debug') ? ['-g'] : [])
4065if get_option('optimization') != 'plain'
4066  option_cflags += ['-O' + get_option('optimization')]
4067endif
4068summary_info += {'CFLAGS':            ' '.join(get_option('c_args') + option_cflags)}
4069if link_language == 'cpp'
4070  summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args') + option_cflags)}
4071endif
4072if targetos == 'darwin'
4073  summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args') + option_cflags)}
4074endif
4075link_args = get_option(link_language + '_link_args')
4076if link_args.length() > 0
4077  summary_info += {'LDFLAGS':         ' '.join(link_args)}
4078endif
4079summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_common_flags + qemu_cflags)}
4080if 'cpp' in all_languages
4081  summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_common_flags + qemu_cxxflags)}
4082endif
4083if 'objc' in all_languages
4084  summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_common_flags)}
4085endif
4086summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
4087summary_info += {'profiler':          get_option('profiler')}
4088summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4089summary_info += {'PIE':               get_option('b_pie')}
4090summary_info += {'static build':      get_option('prefer_static')}
4091summary_info += {'malloc trim support': has_malloc_trim}
4092summary_info += {'membarrier':        have_membarrier}
4093summary_info += {'debug graph lock':  get_option('debug_graph_lock')}
4094summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4095summary_info += {'mutex debugging':   get_option('debug_mutex')}
4096summary_info += {'memory allocator':  get_option('malloc')}
4097summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4098summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4099summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4100if get_option('gprof')
4101  gprof_info = 'YES (deprecated)'
4102else
4103  gprof_info = get_option('gprof')
4104endif
4105summary_info += {'gprof':             gprof_info}
4106summary_info += {'gcov':              get_option('b_coverage')}
4107summary_info += {'thread sanitizer':  get_option('tsan')}
4108summary_info += {'CFI support':       get_option('cfi')}
4109if get_option('cfi')
4110  summary_info += {'CFI debug support': get_option('cfi_debug')}
4111endif
4112summary_info += {'strip binaries':    get_option('strip')}
4113summary_info += {'sparse':            sparse}
4114summary_info += {'mingw32 support':   targetos == 'windows'}
4115summary(summary_info, bool_yn: true, section: 'Compilation')
4116
4117# snarf the cross-compilation information for tests
4118summary_info = {}
4119have_cross = false
4120foreach target: target_dirs
4121  tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4122  if fs.exists(tcg_mak)
4123    config_cross_tcg = keyval.load(tcg_mak)
4124    if 'CC' in config_cross_tcg
4125      summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4126      have_cross = true
4127    endif
4128  endif
4129endforeach
4130if have_cross
4131  summary(summary_info, bool_yn: true, section: 'Cross compilers')
4132endif
4133
4134# Targets and accelerators
4135summary_info = {}
4136if have_system
4137  summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
4138  summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
4139  summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
4140  summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
4141  summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
4142  summary_info += {'Xen support':       xen.found()}
4143  if xen.found()
4144    summary_info += {'xen ctrl version':  xen.version()}
4145  endif
4146  summary_info += {'Xen emulation':     config_all.has_key('CONFIG_XEN_EMU')}
4147endif
4148summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
4149if config_all.has_key('CONFIG_TCG')
4150  if get_option('tcg_interpreter')
4151    summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
4152  else
4153    summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
4154  endif
4155  summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
4156  summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
4157endif
4158summary_info += {'target list':       ' '.join(target_dirs)}
4159if have_system
4160  summary_info += {'default devices':   get_option('default_devices')}
4161  summary_info += {'out of process emulation': multiprocess_allowed}
4162  summary_info += {'vfio-user server': vfio_user_server_allowed}
4163endif
4164summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4165
4166# Block layer
4167summary_info = {}
4168summary_info += {'coroutine backend': coroutine_backend}
4169summary_info += {'coroutine pool':    have_coroutine_pool}
4170if have_block
4171  summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4172  summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4173  summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4174  summary_info += {'VirtFS (9P) support':    have_virtfs}
4175  summary_info += {'VirtFS (9P) Proxy Helper support': have_virtfs_proxy_helper}
4176  summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4177  summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4178  summary_info += {'bochs support':     get_option('bochs').allowed()}
4179  summary_info += {'cloop support':     get_option('cloop').allowed()}
4180  summary_info += {'dmg support':       get_option('dmg').allowed()}
4181  summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
4182  summary_info += {'vdi support':       get_option('vdi').allowed()}
4183  summary_info += {'vhdx support':      get_option('vhdx').allowed()}
4184  summary_info += {'vmdk support':      get_option('vmdk').allowed()}
4185  summary_info += {'vpc support':       get_option('vpc').allowed()}
4186  summary_info += {'vvfat support':     get_option('vvfat').allowed()}
4187  summary_info += {'qed support':       get_option('qed').allowed()}
4188  summary_info += {'parallels support': get_option('parallels').allowed()}
4189  summary_info += {'FUSE exports':      fuse}
4190  summary_info += {'VDUSE block exports': have_vduse_blk_export}
4191endif
4192summary(summary_info, bool_yn: true, section: 'Block layer support')
4193
4194# Crypto
4195summary_info = {}
4196summary_info += {'TLS priority':      get_option('tls_priority')}
4197summary_info += {'GNUTLS support':    gnutls}
4198if gnutls.found()
4199  summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
4200endif
4201summary_info += {'libgcrypt':         gcrypt}
4202summary_info += {'nettle':            nettle}
4203if nettle.found()
4204   summary_info += {'  XTS':             xts != 'private'}
4205endif
4206summary_info += {'AF_ALG support':    have_afalg}
4207summary_info += {'rng-none':          get_option('rng_none')}
4208summary_info += {'Linux keyring':     have_keyring}
4209summary(summary_info, bool_yn: true, section: 'Crypto')
4210
4211# UI
4212summary_info = {}
4213if targetos == 'darwin'
4214  summary_info += {'Cocoa support':           cocoa}
4215endif
4216summary_info += {'SDL support':       sdl}
4217summary_info += {'SDL image support': sdl_image}
4218summary_info += {'GTK support':       gtk}
4219summary_info += {'pixman':            pixman}
4220summary_info += {'VTE support':       vte}
4221summary_info += {'PNG support':       png}
4222summary_info += {'VNC support':       vnc}
4223if vnc.found()
4224  summary_info += {'VNC SASL support':  sasl}
4225  summary_info += {'VNC JPEG support':  jpeg}
4226endif
4227summary_info += {'spice protocol support': spice_protocol}
4228if spice_protocol.found()
4229  summary_info += {'  spice server support': spice}
4230endif
4231summary_info += {'curses support':    curses}
4232summary_info += {'brlapi support':    brlapi}
4233summary(summary_info, bool_yn: true, section: 'User interface')
4234
4235# Audio backends
4236summary_info = {}
4237if targetos not in ['darwin', 'haiku', 'windows']
4238  summary_info += {'OSS support':     oss}
4239  summary_info += {'sndio support':   sndio}
4240elif targetos == 'darwin'
4241  summary_info += {'CoreAudio support': coreaudio}
4242elif targetos == 'windows'
4243  summary_info += {'DirectSound support': dsound}
4244endif
4245if targetos == 'linux'
4246  summary_info += {'ALSA support':    alsa}
4247  summary_info += {'PulseAudio support': pulse}
4248endif
4249summary_info += {'Pipewire support':  pipewire}
4250summary_info += {'JACK support':      jack}
4251summary(summary_info, bool_yn: true, section: 'Audio backends')
4252
4253# Network backends
4254summary_info = {}
4255if targetos == 'darwin'
4256  summary_info += {'vmnet.framework support': vmnet}
4257endif
4258summary_info += {'slirp support':     slirp}
4259summary_info += {'vde support':       vde}
4260summary_info += {'netmap support':    have_netmap}
4261summary_info += {'l2tpv3 support':    have_l2tpv3}
4262summary(summary_info, bool_yn: true, section: 'Network backends')
4263
4264# Libraries
4265summary_info = {}
4266summary_info += {'libtasn1':          tasn1}
4267summary_info += {'PAM':               pam}
4268summary_info += {'iconv support':     iconv}
4269summary_info += {'virgl support':     virgl}
4270summary_info += {'blkio support':     blkio}
4271summary_info += {'curl support':      curl}
4272summary_info += {'Multipath support': mpathpersist}
4273summary_info += {'Linux AIO support': libaio}
4274summary_info += {'Linux io_uring support': linux_io_uring}
4275summary_info += {'ATTR/XATTR support': libattr}
4276summary_info += {'RDMA support':      rdma}
4277summary_info += {'PVRDMA support':    have_pvrdma}
4278summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
4279summary_info += {'libcap-ng support': libcap_ng}
4280summary_info += {'bpf support':       libbpf}
4281summary_info += {'rbd support':       rbd}
4282summary_info += {'smartcard support': cacard}
4283summary_info += {'U2F support':       u2f}
4284summary_info += {'libusb':            libusb}
4285summary_info += {'usb net redir':     usbredir}
4286summary_info += {'OpenGL support (epoxy)': opengl}
4287summary_info += {'GBM':               gbm}
4288summary_info += {'libiscsi support':  libiscsi}
4289summary_info += {'libnfs support':    libnfs}
4290if targetos == 'windows'
4291  if have_ga
4292    summary_info += {'QGA VSS support':   have_qga_vss}
4293  endif
4294endif
4295summary_info += {'seccomp support':   seccomp}
4296summary_info += {'GlusterFS support': glusterfs}
4297summary_info += {'TPM support':       have_tpm}
4298summary_info += {'libssh support':    libssh}
4299summary_info += {'lzo support':       lzo}
4300summary_info += {'snappy support':    snappy}
4301summary_info += {'bzip2 support':     libbzip2}
4302summary_info += {'lzfse support':     liblzfse}
4303summary_info += {'zstd support':      zstd}
4304summary_info += {'NUMA host support': numa}
4305summary_info += {'capstone':          capstone}
4306summary_info += {'libpmem support':   libpmem}
4307summary_info += {'libdaxctl support': libdaxctl}
4308summary_info += {'libudev':           libudev}
4309# Dummy dependency, keep .found()
4310summary_info += {'FUSE lseek':        fuse_lseek.found()}
4311summary_info += {'selinux':           selinux}
4312summary_info += {'libdw':             libdw}
4313summary(summary_info, bool_yn: true, section: 'Dependencies')
4314
4315if not supported_cpus.contains(cpu)
4316  message()
4317  warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4318  message()
4319  message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4320  message('The QEMU project intends to remove support for this host CPU in')
4321  message('a future release if nobody volunteers to maintain it and to')
4322  message('provide a build host for our continuous integration setup.')
4323  message('configure has succeeded and you can continue to build, but')
4324  message('if you care about QEMU on this platform you should contact')
4325  message('us upstream at qemu-devel@nongnu.org.')
4326endif
4327
4328if not supported_oses.contains(targetos)
4329  message()
4330  warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4331  message()
4332  message('Host OS ' + targetos + 'support is not currently maintained.')
4333  message('The QEMU project intends to remove support for this host OS in')
4334  message('a future release if nobody volunteers to maintain it and to')
4335  message('provide a build host for our continuous integration setup.')
4336  message('configure has succeeded and you can continue to build, but')
4337  message('if you care about QEMU on this platform you should contact')
4338  message('us upstream at qemu-devel@nongnu.org.')
4339endif
4340