Merge remote-tracking branch 'remotes/vivier2/tags/linux-user-for-6.2-pull-request...
[qemu.git] / meson.build
1 project('qemu', ['c'], meson_version: '>=0.55.0',
2         default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto'] +
3                          (meson.version().version_compare('>=0.56.0') ? [ 'b_staticpic=false' ] : []),
4         version: run_command('head', meson.source_root() / 'VERSION').stdout().strip())
5
6 not_found = dependency('', required: false)
7 if meson.version().version_compare('>=0.56.0')
8   keyval = import('keyval')
9 else
10   keyval = import('unstable-keyval')
11 endif
12 ss = import('sourceset')
13 fs = import('fs')
14
15 sh = find_program('sh')
16 cc = meson.get_compiler('c')
17 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
18 enable_modules = 'CONFIG_MODULES' in config_host
19 enable_static = 'CONFIG_STATIC' in config_host
20
21 # Allow both shared and static libraries unless --enable-static
22 static_kwargs = enable_static ? {'static': true} : {}
23
24 # Temporary directory used for files created while
25 # configure runs. Since it is in the build directory
26 # we can safely blow away any previous version of it
27 # (and we need not jump through hoops to try to delete
28 # it when configure exits.)
29 tmpdir = meson.current_build_dir() / 'meson-private/temp'
30
31 if get_option('qemu_suffix').startswith('/')
32   error('qemu_suffix cannot start with a /')
33 endif
34
35 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
36 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
37 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
38 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
39
40 qemu_desktopdir = get_option('datadir') / 'applications'
41 qemu_icondir = get_option('datadir') / 'icons'
42
43 config_host_data = configuration_data()
44 genh = []
45
46 target_dirs = config_host['TARGET_DIRS'].split()
47 have_user = false
48 have_system = false
49 foreach target : target_dirs
50   have_user = have_user or target.endswith('-user')
51   have_system = have_system or target.endswith('-softmmu')
52 endforeach
53 have_tools = 'CONFIG_TOOLS' in config_host
54 have_block = have_system or have_tools
55
56 python = import('python').find_installation()
57
58 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
59 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv32', 'riscv64', 'x86', 'x86_64',
60   'arm', 'aarch64', 'mips', 'mips64', 'sparc', 'sparc64']
61
62 cpu = host_machine.cpu_family()
63 targetos = host_machine.system()
64
65 if cpu in ['x86', 'x86_64']
66   kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
67 elif cpu == 'aarch64'
68   kvm_targets = ['aarch64-softmmu']
69 elif cpu == 's390x'
70   kvm_targets = ['s390x-softmmu']
71 elif cpu in ['ppc', 'ppc64']
72   kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
73 elif cpu in ['mips', 'mips64']
74   kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
75 else
76   kvm_targets = []
77 endif
78
79 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
80 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
81   # i368 emulator provides xenpv machine type for multiple architectures
82   accelerator_targets += {
83     'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
84   }
85 endif
86 if cpu in ['x86', 'x86_64']
87   accelerator_targets += {
88     'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
89     'CONFIG_HVF': ['x86_64-softmmu'],
90     'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
91     'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
92   }
93 endif
94
95 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
96 install_edk2_blobs = false
97 if get_option('install_blobs')
98   foreach target : target_dirs
99     install_edk2_blobs = install_edk2_blobs or target in edk2_targets
100   endforeach
101 endif
102
103 bzip2 = find_program('bzip2', required: install_edk2_blobs)
104
105 ##################
106 # Compiler flags #
107 ##################
108
109 # Specify linker-script with add_project_link_arguments so that it is not placed
110 # within a linker --start-group/--end-group pair
111 if 'CONFIG_FUZZ' in config_host
112    add_project_link_arguments(['-Wl,-T,',
113                                (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
114                               native: false, language: ['c', 'cpp', 'objc'])
115 endif
116
117 add_global_arguments(config_host['QEMU_CFLAGS'].split(),
118                      native: false, language: ['c', 'objc'])
119 add_global_arguments(config_host['QEMU_CXXFLAGS'].split(),
120                      native: false, language: 'cpp')
121 add_global_link_arguments(config_host['QEMU_LDFLAGS'].split(),
122                           native: false, language: ['c', 'cpp', 'objc'])
123
124 if targetos == 'linux'
125   add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
126                         '-isystem', 'linux-headers',
127                         language: ['c', 'cpp'])
128 endif
129
130 add_project_arguments('-iquote', '.',
131                       '-iquote', meson.current_source_dir(),
132                       '-iquote', meson.current_source_dir() / 'include',
133                       '-iquote', meson.current_source_dir() / 'disas/libvixl',
134                       language: ['c', 'cpp', 'objc'])
135
136 link_language = meson.get_external_property('link_language', 'cpp')
137 if link_language == 'cpp'
138   add_languages('cpp', required: true, native: false)
139 endif
140 if host_machine.system() == 'darwin'
141   add_languages('objc', required: false, native: false)
142 endif
143
144 sparse = find_program('cgcc', required: get_option('sparse'))
145 if sparse.found()
146   run_target('sparse',
147              command: [find_program('scripts/check_sparse.py'),
148                        'compile_commands.json', sparse.full_path(), '-Wbitwise',
149                        '-Wno-transparent-union', '-Wno-old-initializer',
150                        '-Wno-non-pointer-null'])
151 endif
152
153 ###########################################
154 # Target-specific checks and dependencies #
155 ###########################################
156
157 if targetos != 'linux' and get_option('mpath').enabled()
158   error('Multipath is supported only on Linux')
159 endif
160
161 if targetos != 'linux' and get_option('multiprocess').enabled()
162   error('Multiprocess QEMU is supported only on Linux')
163 endif
164 multiprocess_allowed = targetos == 'linux' and not get_option('multiprocess').disabled()
165
166 libm = cc.find_library('m', required: false)
167 util = cc.find_library('util', required: false)
168 winmm = []
169 socket = []
170 version_res = []
171 coref = []
172 iokit = []
173 emulator_link_args = []
174 nvmm =not_found
175 hvf = not_found
176 if targetos == 'windows'
177   socket = cc.find_library('ws2_32')
178   winmm = cc.find_library('winmm')
179
180   win = import('windows')
181   version_res = win.compile_resources('version.rc',
182                                       depend_files: files('pc-bios/qemu-nsis.ico'),
183                                       include_directories: include_directories('.'))
184 elif targetos == 'darwin'
185   coref = dependency('appleframeworks', modules: 'CoreFoundation')
186   iokit = dependency('appleframeworks', modules: 'IOKit')
187 elif targetos == 'sunos'
188   socket = [cc.find_library('socket'),
189             cc.find_library('nsl'),
190             cc.find_library('resolv')]
191 elif targetos == 'haiku'
192   socket = [cc.find_library('posix_error_mapper'),
193             cc.find_library('network'),
194             cc.find_library('bsd')]
195 elif targetos == 'openbsd'
196   if not get_option('tcg').disabled() and target_dirs.length() > 0
197     # Disable OpenBSD W^X if available
198     emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
199   endif
200 endif
201
202 accelerators = []
203 if not get_option('kvm').disabled() and targetos == 'linux'
204   accelerators += 'CONFIG_KVM'
205 endif
206 if not get_option('xen').disabled() and 'CONFIG_XEN_BACKEND' in config_host
207   accelerators += 'CONFIG_XEN'
208   have_xen_pci_passthrough = not get_option('xen_pci_passthrough').disabled() and targetos == 'linux'
209 else
210   have_xen_pci_passthrough = false
211 endif
212 if not get_option('whpx').disabled() and targetos == 'windows'
213   if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
214     error('WHPX requires 64-bit host')
215   elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
216        cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
217     accelerators += 'CONFIG_WHPX'
218   endif
219 endif
220 if not get_option('hvf').disabled()
221   hvf = dependency('appleframeworks', modules: 'Hypervisor',
222                    required: get_option('hvf'))
223   if hvf.found()
224     accelerators += 'CONFIG_HVF'
225   endif
226 endif
227 if not get_option('hax').disabled()
228   if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
229     accelerators += 'CONFIG_HAX'
230   endif
231 endif
232 if targetos == 'netbsd'
233   if cc.has_header_symbol('nvmm.h', 'nvmm_cpu_stop', required: get_option('nvmm'))
234     nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
235   endif
236   if nvmm.found()
237     accelerators += 'CONFIG_NVMM'
238   endif
239 endif
240
241 tcg_arch = config_host['ARCH']
242 if not get_option('tcg').disabled()
243   if cpu not in supported_cpus
244     if get_option('tcg_interpreter')
245       warning('Unsupported CPU @0@, will use TCG with TCI (experimental and slow)'.format(cpu))
246     else
247       error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
248     endif
249   elif get_option('tcg_interpreter')
250     warning('Use of the TCG interpretor is not recommended on this host')
251     warning('architecture. There is a native TCG execution backend available')
252     warning('which provides substantially better performance and reliability.')
253     warning('It is strongly recommended to remove the --enable-tcg-interpreter')
254     warning('configuration option on this architecture to use the native')
255     warning('backend.')
256   endif
257   if get_option('tcg_interpreter')
258     tcg_arch = 'tci'
259   elif config_host['ARCH'] == 'sparc64'
260     tcg_arch = 'sparc'
261   elif config_host['ARCH'] == 's390x'
262     tcg_arch = 's390'
263   elif config_host['ARCH'] in ['x86_64', 'x32']
264     tcg_arch = 'i386'
265   elif config_host['ARCH'] == 'ppc64'
266     tcg_arch = 'ppc'
267   elif config_host['ARCH'] in ['riscv32', 'riscv64']
268     tcg_arch = 'riscv'
269   endif
270   add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
271                         language: ['c', 'cpp', 'objc'])
272
273   accelerators += 'CONFIG_TCG'
274   config_host += { 'CONFIG_TCG': 'y' }
275 endif
276
277 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
278   error('KVM not available on this platform')
279 endif
280 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
281   error('HVF not available on this platform')
282 endif
283 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
284   error('NVMM not available on this platform')
285 endif
286 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
287   error('WHPX not available on this platform')
288 endif
289 if not have_xen_pci_passthrough and get_option('xen_pci_passthrough').enabled()
290   if 'CONFIG_XEN' in accelerators
291     error('Xen PCI passthrough not available on this platform')
292   else
293     error('Xen PCI passthrough requested but Xen not enabled')
294   endif
295 endif
296
297 ################
298 # Dependencies #
299 ################
300
301 # The path to glib.h is added to all compilation commands.  This was
302 # grandfathered in from the QEMU Makefiles.
303 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
304                       native: false, language: ['c', 'cpp', 'objc'])
305 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
306                           link_args: config_host['GLIB_LIBS'].split())
307 # override glib dep with the configure results (for subprojects)
308 meson.override_dependency('glib-2.0', glib)
309
310 gio = not_found
311 if 'CONFIG_GIO' in config_host
312   gio = declare_dependency(compile_args: config_host['GIO_CFLAGS'].split(),
313                            link_args: config_host['GIO_LIBS'].split())
314 endif
315 lttng = not_found
316 if 'CONFIG_TRACE_UST' in config_host
317   lttng = declare_dependency(link_args: config_host['LTTNG_UST_LIBS'].split())
318 endif
319 urcubp = not_found
320 if 'CONFIG_TRACE_UST' in config_host
321   urcubp = declare_dependency(link_args: config_host['URCU_BP_LIBS'].split())
322 endif
323 gcrypt = not_found
324 if 'CONFIG_GCRYPT' in config_host
325   gcrypt = declare_dependency(compile_args: config_host['GCRYPT_CFLAGS'].split(),
326                               link_args: config_host['GCRYPT_LIBS'].split())
327 endif
328 nettle = not_found
329 if 'CONFIG_NETTLE' in config_host
330   nettle = declare_dependency(compile_args: config_host['NETTLE_CFLAGS'].split(),
331                               link_args: config_host['NETTLE_LIBS'].split())
332 endif
333 gnutls = not_found
334 if 'CONFIG_GNUTLS' in config_host
335   gnutls = declare_dependency(compile_args: config_host['GNUTLS_CFLAGS'].split(),
336                               link_args: config_host['GNUTLS_LIBS'].split())
337 endif
338 pixman = not_found
339 if have_system or have_tools
340   pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
341                       method: 'pkg-config', kwargs: static_kwargs)
342 endif
343 pam = not_found
344 if 'CONFIG_AUTH_PAM' in config_host
345   pam = cc.find_library('pam')
346 endif
347 libaio = cc.find_library('aio', required: false)
348 zlib = dependency('zlib', required: true, kwargs: static_kwargs)
349 linux_io_uring = not_found
350 if 'CONFIG_LINUX_IO_URING' in config_host
351   linux_io_uring = declare_dependency(compile_args: config_host['LINUX_IO_URING_CFLAGS'].split(),
352                                       link_args: config_host['LINUX_IO_URING_LIBS'].split())
353 endif
354 libxml2 = not_found
355 if 'CONFIG_LIBXML2' in config_host
356   libxml2 = declare_dependency(compile_args: config_host['LIBXML2_CFLAGS'].split(),
357                                link_args: config_host['LIBXML2_LIBS'].split())
358 endif
359 libnfs = not_found
360 if not get_option('libnfs').auto() or have_block
361   libnfs = dependency('libnfs', version: '>=1.9.3',
362                       required: get_option('libnfs'),
363                       method: 'pkg-config', kwargs: static_kwargs)
364 endif
365
366 libattr_test = '''
367   #include <stddef.h>
368   #include <sys/types.h>
369   #ifdef CONFIG_LIBATTR
370   #include <attr/xattr.h>
371   #else
372   #include <sys/xattr.h>
373   #endif
374   int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
375
376 libattr = not_found
377 have_old_libattr = false
378 if not get_option('attr').disabled()
379   if cc.links(libattr_test)
380     libattr = declare_dependency()
381   else
382     libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
383                               required: get_option('attr'),
384                               kwargs: static_kwargs)
385     if libattr.found() and not \
386       cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
387       libattr = not_found
388       if get_option('attr').enabled()
389         error('could not link libattr')
390       else
391         warning('could not link libattr, disabling')
392       endif
393     else
394       have_old_libattr = libattr.found()
395     endif
396   endif
397 endif
398
399 cocoa = dependency('appleframeworks', modules: 'Cocoa', required: get_option('cocoa'))
400 if cocoa.found() and get_option('sdl').enabled()
401   error('Cocoa and SDL cannot be enabled at the same time')
402 endif
403 if cocoa.found() and get_option('gtk').enabled()
404   error('Cocoa and GTK+ cannot be enabled at the same time')
405 endif
406
407 seccomp = not_found
408 if not get_option('seccomp').auto() or have_system or have_tools
409   seccomp = dependency('libseccomp', version: '>=2.3.0',
410                        required: get_option('seccomp'),
411                        method: 'pkg-config', kwargs: static_kwargs)
412 endif
413
414 libcap_ng = not_found
415 if not get_option('cap_ng').auto() or have_system or have_tools
416   libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
417                               required: get_option('cap_ng'),
418                               kwargs: static_kwargs)
419 endif
420 if libcap_ng.found() and not cc.links('''
421    #include <cap-ng.h>
422    int main(void)
423    {
424      capng_capability_to_name(CAPNG_EFFECTIVE);
425      return 0;
426    }''', dependencies: libcap_ng)
427   libcap_ng = not_found
428   if get_option('cap_ng').enabled()
429     error('could not link libcap-ng')
430   else
431     warning('could not link libcap-ng, disabling')
432   endif
433 endif
434
435 if get_option('xkbcommon').auto() and not have_system and not have_tools
436   xkbcommon = not_found
437 else
438   xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
439                          method: 'pkg-config', kwargs: static_kwargs)
440 endif
441 vde = not_found
442 if config_host.has_key('CONFIG_VDE')
443   vde = declare_dependency(link_args: config_host['VDE_LIBS'].split())
444 endif
445 pulse = not_found
446 if 'CONFIG_LIBPULSE' in config_host
447   pulse = declare_dependency(compile_args: config_host['PULSE_CFLAGS'].split(),
448                              link_args: config_host['PULSE_LIBS'].split())
449 endif
450 alsa = not_found
451 if 'CONFIG_ALSA' in config_host
452   alsa = declare_dependency(compile_args: config_host['ALSA_CFLAGS'].split(),
453                             link_args: config_host['ALSA_LIBS'].split())
454 endif
455 jack = not_found
456 if 'CONFIG_LIBJACK' in config_host
457   jack = declare_dependency(link_args: config_host['JACK_LIBS'].split())
458 endif
459 spice = not_found
460 spice_headers = not_found
461 spice_protocol = not_found
462 if 'CONFIG_SPICE' in config_host
463   spice = declare_dependency(compile_args: config_host['SPICE_CFLAGS'].split(),
464                              link_args: config_host['SPICE_LIBS'].split())
465   spice_headers = declare_dependency(compile_args: config_host['SPICE_CFLAGS'].split())
466 endif
467 if 'CONFIG_SPICE_PROTOCOL' in config_host
468   spice_protocol = declare_dependency(compile_args: config_host['SPICE_PROTOCOL_CFLAGS'].split())
469 endif
470 rt = cc.find_library('rt', required: false)
471 libdl = not_found
472 if 'CONFIG_PLUGIN' in config_host
473   libdl = cc.find_library('dl', required: true)
474 endif
475 libiscsi = not_found
476 if not get_option('libiscsi').auto() or have_block
477   libiscsi = dependency('libiscsi', version: '>=1.9.0',
478                          required: get_option('libiscsi'),
479                          method: 'pkg-config', kwargs: static_kwargs)
480 endif
481 zstd = not_found
482 if not get_option('zstd').auto() or have_block
483   zstd = dependency('libzstd', version: '>=1.4.0',
484                     required: get_option('zstd'),
485                     method: 'pkg-config', kwargs: static_kwargs)
486 endif
487 gbm = not_found
488 if 'CONFIG_GBM' in config_host
489   gbm = declare_dependency(compile_args: config_host['GBM_CFLAGS'].split(),
490                            link_args: config_host['GBM_LIBS'].split())
491 endif
492 virgl = not_found
493 if 'CONFIG_VIRGL' in config_host
494   virgl = declare_dependency(compile_args: config_host['VIRGL_CFLAGS'].split(),
495                              link_args: config_host['VIRGL_LIBS'].split())
496 endif
497 curl = not_found
498 if not get_option('curl').auto() or have_block
499   curl = dependency('libcurl', version: '>=7.29.0',
500                     method: 'pkg-config',
501                     required: get_option('curl'),
502                     kwargs: static_kwargs)
503 endif
504 libudev = not_found
505 if targetos == 'linux' and (have_system or have_tools)
506   libudev = dependency('libudev',
507                        method: 'pkg-config',
508                        required: get_option('libudev'),
509                        kwargs: static_kwargs)
510 endif
511
512 mpathlibs = [libudev]
513 mpathpersist = not_found
514 mpathpersist_new_api = false
515 if targetos == 'linux' and have_tools and not get_option('mpath').disabled()
516   mpath_test_source_new = '''
517     #include <libudev.h>
518     #include <mpath_persist.h>
519     unsigned mpath_mx_alloc_len = 1024;
520     int logsink;
521     static struct config *multipath_conf;
522     extern struct udev *udev;
523     extern struct config *get_multipath_config(void);
524     extern void put_multipath_config(struct config *conf);
525     struct udev *udev;
526     struct config *get_multipath_config(void) { return multipath_conf; }
527     void put_multipath_config(struct config *conf) { }
528     int main(void) {
529         udev = udev_new();
530         multipath_conf = mpath_lib_init();
531         return 0;
532     }'''
533   mpath_test_source_old = '''
534       #include <libudev.h>
535       #include <mpath_persist.h>
536       unsigned mpath_mx_alloc_len = 1024;
537       int logsink;
538       int main(void) {
539           struct udev *udev = udev_new();
540           mpath_lib_init(udev);
541           return 0;
542       }'''
543   libmpathpersist = cc.find_library('mpathpersist',
544                                     required: get_option('mpath'),
545                                     kwargs: static_kwargs)
546   if libmpathpersist.found()
547     mpathlibs += libmpathpersist
548     if enable_static
549       mpathlibs += cc.find_library('devmapper',
550                                      required: get_option('mpath'),
551                                      kwargs: static_kwargs)
552     endif
553     mpathlibs += cc.find_library('multipath',
554                                  required: get_option('mpath'),
555                                  kwargs: static_kwargs)
556     foreach lib: mpathlibs
557       if not lib.found()
558         mpathlibs = []
559         break
560       endif
561     endforeach
562     if mpathlibs.length() == 0
563       msg = 'Dependencies missing for libmpathpersist'
564     elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
565       mpathpersist = declare_dependency(dependencies: mpathlibs)
566       mpathpersist_new_api = true
567     elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
568       mpathpersist = declare_dependency(dependencies: mpathlibs)
569     else
570       msg = 'Cannot detect libmpathpersist API'
571     endif
572     if not mpathpersist.found()
573       if get_option('mpath').enabled()
574         error(msg)
575       else
576         warning(msg + ', disabling')
577       endif
578     endif
579   endif
580 endif
581
582 iconv = not_found
583 curses = not_found
584 if have_system and not get_option('curses').disabled()
585   curses_test = '''
586     #include <locale.h>
587     #include <curses.h>
588     #include <wchar.h>
589     int main(void) {
590       wchar_t wch = L'w';
591       setlocale(LC_ALL, "");
592       resize_term(0, 0);
593       addwstr(L"wide chars\n");
594       addnwstr(&wch, 1);
595       add_wch(WACS_DEGREE);
596       return 0;
597     }'''
598
599   curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
600   foreach curses_dep : curses_dep_list
601     if not curses.found()
602       curses = dependency(curses_dep,
603                           required: false,
604                           method: 'pkg-config',
605                           kwargs: static_kwargs)
606     endif
607   endforeach
608   msg = get_option('curses').enabled() ? 'curses library not found' : ''
609   curses_compile_args = ['-DNCURSES_WIDECHAR']
610   if curses.found()
611     if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
612       curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
613     else
614       msg = 'curses package not usable'
615       curses = not_found
616     endif
617   endif
618   if not curses.found()
619     has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
620     if targetos != 'windows' and not has_curses_h
621       message('Trying with /usr/include/ncursesw')
622       curses_compile_args += ['-I/usr/include/ncursesw']
623       has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
624     endif
625     if has_curses_h
626       curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
627       foreach curses_libname : curses_libname_list
628         libcurses = cc.find_library(curses_libname,
629                                     required: false,
630                                     kwargs: static_kwargs)
631         if libcurses.found()
632           if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
633             curses = declare_dependency(compile_args: curses_compile_args,
634                                         dependencies: [libcurses])
635             break
636           else
637             msg = 'curses library not usable'
638           endif
639         endif
640       endforeach
641     endif
642   endif
643   if not get_option('iconv').disabled()
644     foreach link_args : [ ['-liconv'], [] ]
645       # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
646       # We need to use libiconv if available because mixing libiconv's headers with
647       # the system libc does not work.
648       # However, without adding glib to the dependencies -L/usr/local/lib will not be
649       # included in the command line and libiconv will not be found.
650       if cc.links('''
651         #include <iconv.h>
652         int main(void) {
653           iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
654           return conv != (iconv_t) -1;
655         }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
656         iconv = declare_dependency(link_args: link_args, dependencies: glib)
657         break
658       endif
659     endforeach
660   endif
661   if curses.found() and not iconv.found()
662     if get_option('iconv').enabled()
663       error('iconv not available')
664     endif
665     msg = 'iconv required for curses UI but not available'
666     curses = not_found
667   endif
668   if not curses.found() and msg != ''
669     if get_option('curses').enabled()
670       error(msg)
671     else
672       warning(msg + ', disabling')
673     endif
674   endif
675 endif
676
677 brlapi = not_found
678 if not get_option('brlapi').auto() or have_system
679   brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
680                          required: get_option('brlapi'),
681                          kwargs: static_kwargs)
682   if brlapi.found() and not cc.links('''
683      #include <brlapi.h>
684      #include <stddef.h>
685      int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
686     brlapi = not_found
687     if get_option('brlapi').enabled()
688       error('could not link brlapi')
689     else
690       warning('could not link brlapi, disabling')
691     endif
692   endif
693 endif
694
695 sdl = not_found
696 if not get_option('sdl').auto() or (have_system and not cocoa.found())
697   sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
698   sdl_image = not_found
699 endif
700 if sdl.found()
701   # work around 2.0.8 bug
702   sdl = declare_dependency(compile_args: '-Wno-undef',
703                            dependencies: sdl)
704   sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
705                          method: 'pkg-config', kwargs: static_kwargs)
706 else
707   if get_option('sdl_image').enabled()
708     error('sdl-image required, but SDL was @0@'.format(
709           get_option('sdl').disabled() ? 'disabled' : 'not found'))
710   endif
711   sdl_image = not_found
712 endif
713
714 rbd = not_found
715 if not get_option('rbd').auto() or have_block
716   librados = cc.find_library('rados', required: get_option('rbd'),
717                              kwargs: static_kwargs)
718   librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
719                            required: get_option('rbd'),
720                            kwargs: static_kwargs)
721   if librados.found() and librbd.found()
722     if cc.links('''
723       #include <stdio.h>
724       #include <rbd/librbd.h>
725       int main(void) {
726         rados_t cluster;
727         rados_create(&cluster, NULL);
728         return 0;
729       }''', dependencies: [librbd, librados])
730       rbd = declare_dependency(dependencies: [librbd, librados])
731     elif get_option('rbd').enabled()
732       error('could not link librados')
733     else
734       warning('could not link librados, disabling')
735     endif
736   endif
737 endif
738
739 glusterfs = not_found
740 glusterfs_ftruncate_has_stat = false
741 glusterfs_iocb_has_stat = false
742 if not get_option('glusterfs').auto() or have_block
743   glusterfs = dependency('glusterfs-api', version: '>=3',
744                          required: get_option('glusterfs'),
745                          method: 'pkg-config', kwargs: static_kwargs)
746   if glusterfs.found()
747     glusterfs_ftruncate_has_stat = cc.links('''
748       #include <glusterfs/api/glfs.h>
749
750       int
751       main(void)
752       {
753           /* new glfs_ftruncate() passes two additional args */
754           return glfs_ftruncate(NULL, 0, NULL, NULL);
755       }
756     ''', dependencies: glusterfs)
757     glusterfs_iocb_has_stat = cc.links('''
758       #include <glusterfs/api/glfs.h>
759
760       /* new glfs_io_cbk() passes two additional glfs_stat structs */
761       static void
762       glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
763       {}
764
765       int
766       main(void)
767       {
768           glfs_io_cbk iocb = &glusterfs_iocb;
769           iocb(NULL, 0 , NULL, NULL, NULL);
770           return 0;
771       }
772     ''', dependencies: glusterfs)
773   endif
774 endif
775 libssh = not_found
776 if 'CONFIG_LIBSSH' in config_host
777   libssh = declare_dependency(compile_args: config_host['LIBSSH_CFLAGS'].split(),
778                               link_args: config_host['LIBSSH_LIBS'].split())
779 endif
780 libbzip2 = not_found
781 if not get_option('bzip2').auto() or have_block
782   libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
783                              required: get_option('bzip2'),
784                              kwargs: static_kwargs)
785   if libbzip2.found() and not cc.links('''
786      #include <bzlib.h>
787      int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
788     libbzip2 = not_found
789     if get_option('bzip2').enabled()
790       error('could not link libbzip2')
791     else
792       warning('could not link libbzip2, disabling')
793     endif
794   endif
795 endif
796
797 liblzfse = not_found
798 if not get_option('lzfse').auto() or have_block
799   liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
800                              required: get_option('lzfse'),
801                              kwargs: static_kwargs)
802 endif
803 if liblzfse.found() and not cc.links('''
804    #include <lzfse.h>
805    int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
806   liblzfse = not_found
807   if get_option('lzfse').enabled()
808     error('could not link liblzfse')
809   else
810     warning('could not link liblzfse, disabling')
811   endif
812 endif
813
814 oss = not_found
815 if 'CONFIG_AUDIO_OSS' in config_host
816   oss = declare_dependency(link_args: config_host['OSS_LIBS'].split())
817 endif
818 dsound = not_found
819 if 'CONFIG_AUDIO_DSOUND' in config_host
820   dsound = declare_dependency(link_args: config_host['DSOUND_LIBS'].split())
821 endif
822 coreaudio = not_found
823 if 'CONFIG_AUDIO_COREAUDIO' in config_host
824   coreaudio = declare_dependency(link_args: config_host['COREAUDIO_LIBS'].split())
825 endif
826 opengl = not_found
827 if 'CONFIG_OPENGL' in config_host
828   opengl = declare_dependency(compile_args: config_host['OPENGL_CFLAGS'].split(),
829                               link_args: config_host['OPENGL_LIBS'].split())
830 endif
831
832 gtk = not_found
833 gtkx11 = not_found
834 if not get_option('gtk').auto() or (have_system and not cocoa.found())
835   gtk = dependency('gtk+-3.0', version: '>=3.22.0',
836                    method: 'pkg-config',
837                    required: get_option('gtk'),
838                    kwargs: static_kwargs)
839   if gtk.found()
840     gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
841                         method: 'pkg-config',
842                         required: false,
843                         kwargs: static_kwargs)
844     gtk = declare_dependency(dependencies: [gtk, gtkx11])
845   endif
846 endif
847
848 vte = not_found
849 if 'CONFIG_VTE' in config_host
850   vte = declare_dependency(compile_args: config_host['VTE_CFLAGS'].split(),
851                            link_args: config_host['VTE_LIBS'].split())
852 endif
853 x11 = not_found
854 if gtkx11.found()
855   x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
856                    kwargs: static_kwargs)
857 endif
858 vnc = not_found
859 png = not_found
860 jpeg = not_found
861 sasl = not_found
862 if get_option('vnc').enabled()
863   vnc = declare_dependency() # dummy dependency
864   png = dependency('libpng', required: get_option('vnc_png'),
865                    method: 'pkg-config', kwargs: static_kwargs)
866   jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
867                     method: 'pkg-config', kwargs: static_kwargs)
868   sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
869                          required: get_option('vnc_sasl'),
870                          kwargs: static_kwargs)
871   if sasl.found()
872     sasl = declare_dependency(dependencies: sasl,
873                               compile_args: '-DSTRUCT_IOVEC_DEFINED')
874   endif
875 endif
876
877 snappy = not_found
878 if not get_option('snappy').auto() or have_system
879   snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
880                            required: get_option('snappy'),
881                            kwargs: static_kwargs)
882 endif
883 if snappy.found() and not cc.links('''
884    #include <snappy-c.h>
885    int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
886   snappy = not_found
887   if get_option('snappy').enabled()
888     error('could not link libsnappy')
889   else
890     warning('could not link libsnappy, disabling')
891   endif
892 endif
893
894 lzo = not_found
895 if not get_option('lzo').auto() or have_system
896   lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
897                         required: get_option('lzo'),
898                         kwargs: static_kwargs)
899 endif
900 if lzo.found() and not cc.links('''
901    #include <lzo/lzo1x.h>
902    int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
903   lzo = not_found
904   if get_option('lzo').enabled()
905     error('could not link liblzo2')
906   else
907     warning('could not link liblzo2, disabling')
908   endif
909 endif
910
911 rdma = not_found
912 if 'CONFIG_RDMA' in config_host
913   rdma = declare_dependency(link_args: config_host['RDMA_LIBS'].split())
914 endif
915 numa = not_found
916 if 'CONFIG_NUMA' in config_host
917   numa = declare_dependency(link_args: config_host['NUMA_LIBS'].split())
918 endif
919 xen = not_found
920 if 'CONFIG_XEN_BACKEND' in config_host
921   xen = declare_dependency(compile_args: config_host['XEN_CFLAGS'].split(),
922                            link_args: config_host['XEN_LIBS'].split())
923 endif
924 cacard = not_found
925 if 'CONFIG_SMARTCARD' in config_host
926   cacard = declare_dependency(compile_args: config_host['SMARTCARD_CFLAGS'].split(),
927                               link_args: config_host['SMARTCARD_LIBS'].split())
928 endif
929 u2f = not_found
930 if have_system
931   u2f = dependency('u2f-emu', required: get_option('u2f'),
932                    method: 'pkg-config',
933                    kwargs: static_kwargs)
934 endif
935 usbredir = not_found
936 if 'CONFIG_USB_REDIR' in config_host
937   usbredir = declare_dependency(compile_args: config_host['USB_REDIR_CFLAGS'].split(),
938                                 link_args: config_host['USB_REDIR_LIBS'].split())
939 endif
940 libusb = not_found
941 if 'CONFIG_USB_LIBUSB' in config_host
942   libusb = declare_dependency(compile_args: config_host['LIBUSB_CFLAGS'].split(),
943                               link_args: config_host['LIBUSB_LIBS'].split())
944 endif
945 libpmem = not_found
946 if 'CONFIG_LIBPMEM' in config_host
947   libpmem = declare_dependency(compile_args: config_host['LIBPMEM_CFLAGS'].split(),
948                                link_args: config_host['LIBPMEM_LIBS'].split())
949 endif
950 libdaxctl = not_found
951 if 'CONFIG_LIBDAXCTL' in config_host
952   libdaxctl = declare_dependency(link_args: config_host['LIBDAXCTL_LIBS'].split())
953 endif
954 tasn1 = not_found
955 if 'CONFIG_TASN1' in config_host
956   tasn1 = declare_dependency(compile_args: config_host['TASN1_CFLAGS'].split(),
957                              link_args: config_host['TASN1_LIBS'].split())
958 endif
959 keyutils = dependency('libkeyutils', required: false,
960                       method: 'pkg-config', kwargs: static_kwargs)
961
962 has_gettid = cc.has_function('gettid')
963
964 # Malloc tests
965
966 malloc = []
967 if get_option('malloc') == 'system'
968   has_malloc_trim = \
969     not get_option('malloc_trim').disabled() and \
970     cc.links('''#include <malloc.h>
971                 int main(void) { malloc_trim(0); return 0; }''')
972 else
973   has_malloc_trim = false
974   malloc = cc.find_library(get_option('malloc'), required: true)
975 endif
976 if not has_malloc_trim and get_option('malloc_trim').enabled()
977   if get_option('malloc') == 'system'
978     error('malloc_trim not available on this platform.')
979   else
980     error('malloc_trim not available with non-libc memory allocator')
981   endif
982 endif
983
984 # Check whether the glibc provides statx()
985
986 statx_test = '''
987   #ifndef _GNU_SOURCE
988   #define _GNU_SOURCE
989   #endif
990   #include <sys/stat.h>
991   int main(void) {
992     struct statx statxbuf;
993     statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
994     return 0;
995   }'''
996
997 has_statx = cc.links(statx_test)
998
999 have_vhost_user_blk_server = (targetos == 'linux' and
1000     'CONFIG_VHOST_USER' in config_host)
1001
1002 if get_option('vhost_user_blk_server').enabled()
1003     if targetos != 'linux'
1004         error('vhost_user_blk_server requires linux')
1005     elif 'CONFIG_VHOST_USER' not in config_host
1006         error('vhost_user_blk_server requires vhost-user support')
1007     endif
1008 elif get_option('vhost_user_blk_server').disabled() or not have_system
1009     have_vhost_user_blk_server = false
1010 endif
1011
1012
1013 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1014   error('Cannot enable fuse-lseek while fuse is disabled')
1015 endif
1016
1017 fuse = dependency('fuse3', required: get_option('fuse'),
1018                   version: '>=3.1', method: 'pkg-config',
1019                   kwargs: static_kwargs)
1020
1021 fuse_lseek = not_found
1022 if not get_option('fuse_lseek').disabled()
1023   if fuse.version().version_compare('>=3.8')
1024     # Dummy dependency
1025     fuse_lseek = declare_dependency()
1026   elif get_option('fuse_lseek').enabled()
1027     if fuse.found()
1028       error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1029     else
1030       error('fuse-lseek requires libfuse, which was not found')
1031     endif
1032   endif
1033 endif
1034
1035 # libbpf
1036 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1037 if libbpf.found() and not cc.links('''
1038    #include <bpf/libbpf.h>
1039    int main(void)
1040    {
1041      bpf_object__destroy_skeleton(NULL);
1042      return 0;
1043    }''', dependencies: libbpf)
1044   libbpf = not_found
1045   if get_option('bpf').enabled()
1046     error('libbpf skeleton test failed')
1047   else
1048     warning('libbpf skeleton test failed, disabling')
1049   endif
1050 endif
1051
1052 if get_option('cfi')
1053   cfi_flags=[]
1054   # Check for dependency on LTO
1055   if not get_option('b_lto')
1056     error('Selected Control-Flow Integrity but LTO is disabled')
1057   endif
1058   if config_host.has_key('CONFIG_MODULES')
1059     error('Selected Control-Flow Integrity is not compatible with modules')
1060   endif
1061   # Check for cfi flags. CFI requires LTO so we can't use
1062   # get_supported_arguments, but need a more complex "compiles" which allows
1063   # custom arguments
1064   if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1065                  args: ['-flto', '-fsanitize=cfi-icall'] )
1066     cfi_flags += '-fsanitize=cfi-icall'
1067   else
1068     error('-fsanitize=cfi-icall is not supported by the compiler')
1069   endif
1070   if cc.compiles('int main () { return 0; }',
1071                  name: '-fsanitize-cfi-icall-generalize-pointers',
1072                  args: ['-flto', '-fsanitize=cfi-icall',
1073                         '-fsanitize-cfi-icall-generalize-pointers'] )
1074     cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1075   else
1076     error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1077   endif
1078   if get_option('cfi_debug')
1079     if cc.compiles('int main () { return 0; }',
1080                    name: '-fno-sanitize-trap=cfi-icall',
1081                    args: ['-flto', '-fsanitize=cfi-icall',
1082                           '-fno-sanitize-trap=cfi-icall'] )
1083       cfi_flags += '-fno-sanitize-trap=cfi-icall'
1084     else
1085       error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1086     endif
1087   endif
1088   add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1089   add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1090 endif
1091
1092 #################
1093 # config-host.h #
1094 #################
1095
1096 have_virtfs = (targetos == 'linux' and
1097     have_system and
1098     libattr.found() and
1099     libcap_ng.found())
1100
1101 have_virtfs_proxy_helper = have_virtfs and have_tools
1102
1103 if get_option('virtfs').enabled()
1104   if not have_virtfs
1105     if targetos != 'linux'
1106       error('virtio-9p (virtfs) requires Linux')
1107     elif not libcap_ng.found() or not libattr.found()
1108       error('virtio-9p (virtfs) requires libcap-ng-devel and libattr-devel')
1109     elif not have_system
1110       error('virtio-9p (virtfs) needs system emulation support')
1111     endif
1112   endif
1113 elif get_option('virtfs').disabled()
1114   have_virtfs = false
1115 endif
1116
1117 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1118 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1119 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1120 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1121 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1122 config_host_data.set_quoted('CONFIG_QEMU_FIRMWAREPATH', get_option('qemu_firmwarepath'))
1123 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1124 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1125 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1126 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1127 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1128 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1129
1130 config_host_data.set('CONFIG_ATTR', libattr.found())
1131 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1132 config_host_data.set('CONFIG_COCOA', cocoa.found())
1133 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1134 config_host_data.set('CONFIG_LZO', lzo.found())
1135 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1136 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1137 config_host_data.set('CONFIG_CURL', curl.found())
1138 config_host_data.set('CONFIG_CURSES', curses.found())
1139 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1140 if glusterfs.found()
1141   config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1142   config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1143   config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1144   config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1145   config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1146   config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1147 endif
1148 config_host_data.set('CONFIG_GTK', gtk.found())
1149 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1150 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1151 config_host_data.set('CONFIG_EBPF', libbpf.found())
1152 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1153 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1154 config_host_data.set('CONFIG_RBD', rbd.found())
1155 config_host_data.set('CONFIG_SDL', sdl.found())
1156 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1157 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1158 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1159 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1160 config_host_data.set('CONFIG_VNC', vnc.found())
1161 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1162 config_host_data.set('CONFIG_VNC_PNG', png.found())
1163 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1164 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1165 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1166 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1167 config_host_data.set('CONFIG_GETTID', has_gettid)
1168 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1169 config_host_data.set('CONFIG_STATX', has_statx)
1170 config_host_data.set('CONFIG_ZSTD', zstd.found())
1171 config_host_data.set('CONFIG_FUSE', fuse.found())
1172 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1173 config_host_data.set('CONFIG_X11', x11.found())
1174 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1175 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1176 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1177 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1178 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1179
1180 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1181 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1182 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1183 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1184 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1185 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1186
1187 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1188
1189 ignored = ['CONFIG_QEMU_INTERP_PREFIX'] # actually per-target
1190 arrays = ['CONFIG_AUDIO_DRIVERS', 'CONFIG_BDRV_RW_WHITELIST', 'CONFIG_BDRV_RO_WHITELIST']
1191 strings = ['HOST_DSOSUF', 'CONFIG_IASL']
1192 foreach k, v: config_host
1193   if ignored.contains(k)
1194     # do nothing
1195   elif arrays.contains(k)
1196     if v != ''
1197       v = '"' + '", "'.join(v.split()) + '", '
1198     endif
1199     config_host_data.set(k, v)
1200   elif k == 'ARCH'
1201     config_host_data.set('HOST_' + v.to_upper(), 1)
1202   elif strings.contains(k)
1203     if not k.startswith('CONFIG_')
1204       k = 'CONFIG_' + k.to_upper()
1205     endif
1206     config_host_data.set_quoted(k, v)
1207   elif k.startswith('CONFIG_') or k.startswith('HAVE_') or k.startswith('HOST_')
1208     config_host_data.set(k, v == 'y' ? 1 : v)
1209   endif
1210 endforeach
1211
1212 ########################
1213 # Target configuration #
1214 ########################
1215
1216 minikconf = find_program('scripts/minikconf.py')
1217 config_all = {}
1218 config_all_devices = {}
1219 config_all_disas = {}
1220 config_devices_mak_list = []
1221 config_devices_h = {}
1222 config_target_h = {}
1223 config_target_mak = {}
1224
1225 disassemblers = {
1226   'alpha' : ['CONFIG_ALPHA_DIS'],
1227   'arm' : ['CONFIG_ARM_DIS'],
1228   'avr' : ['CONFIG_AVR_DIS'],
1229   'cris' : ['CONFIG_CRIS_DIS'],
1230   'hexagon' : ['CONFIG_HEXAGON_DIS'],
1231   'hppa' : ['CONFIG_HPPA_DIS'],
1232   'i386' : ['CONFIG_I386_DIS'],
1233   'x86_64' : ['CONFIG_I386_DIS'],
1234   'x32' : ['CONFIG_I386_DIS'],
1235   'm68k' : ['CONFIG_M68K_DIS'],
1236   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
1237   'mips' : ['CONFIG_MIPS_DIS'],
1238   'nios2' : ['CONFIG_NIOS2_DIS'],
1239   'or1k' : ['CONFIG_OPENRISC_DIS'],
1240   'ppc' : ['CONFIG_PPC_DIS'],
1241   'riscv' : ['CONFIG_RISCV_DIS'],
1242   'rx' : ['CONFIG_RX_DIS'],
1243   's390' : ['CONFIG_S390_DIS'],
1244   'sh4' : ['CONFIG_SH4_DIS'],
1245   'sparc' : ['CONFIG_SPARC_DIS'],
1246   'xtensa' : ['CONFIG_XTENSA_DIS'],
1247 }
1248 if link_language == 'cpp'
1249   disassemblers += {
1250     'aarch64' : [ 'CONFIG_ARM_A64_DIS'],
1251     'arm' : [ 'CONFIG_ARM_DIS', 'CONFIG_ARM_A64_DIS'],
1252     'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
1253   }
1254 endif
1255
1256 host_kconfig = \
1257   ('CONFIG_TPM' in config_host ? ['CONFIG_TPM=y'] : []) + \
1258   ('CONFIG_SPICE' in config_host ? ['CONFIG_SPICE=y'] : []) + \
1259   ('CONFIG_IVSHMEM' in config_host ? ['CONFIG_IVSHMEM=y'] : []) + \
1260   ('CONFIG_OPENGL' in config_host ? ['CONFIG_OPENGL=y'] : []) + \
1261   (x11.found() ? ['CONFIG_X11=y'] : []) + \
1262   ('CONFIG_VHOST_USER' in config_host ? ['CONFIG_VHOST_USER=y'] : []) + \
1263   ('CONFIG_VHOST_VDPA' in config_host ? ['CONFIG_VHOST_VDPA=y'] : []) + \
1264   ('CONFIG_VHOST_KERNEL' in config_host ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
1265   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
1266   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
1267   ('CONFIG_PVRDMA' in config_host ? ['CONFIG_PVRDMA=y'] : []) + \
1268   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : [])
1269
1270 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
1271
1272 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
1273 actual_target_dirs = []
1274 fdt_required = []
1275 foreach target : target_dirs
1276   config_target = { 'TARGET_NAME': target.split('-')[0] }
1277   if target.endswith('linux-user')
1278     if targetos != 'linux'
1279       if default_targets
1280         continue
1281       endif
1282       error('Target @0@ is only available on a Linux host'.format(target))
1283     endif
1284     config_target += { 'CONFIG_LINUX_USER': 'y' }
1285   elif target.endswith('bsd-user')
1286     if 'CONFIG_BSD' not in config_host
1287       if default_targets
1288         continue
1289       endif
1290       error('Target @0@ is only available on a BSD host'.format(target))
1291     endif
1292     config_target += { 'CONFIG_BSD_USER': 'y' }
1293   elif target.endswith('softmmu')
1294     config_target += { 'CONFIG_SOFTMMU': 'y' }
1295   endif
1296   if target.endswith('-user')
1297     config_target += {
1298       'CONFIG_USER_ONLY': 'y',
1299       'CONFIG_QEMU_INTERP_PREFIX':
1300         config_host['CONFIG_QEMU_INTERP_PREFIX'].format(config_target['TARGET_NAME'])
1301     }
1302   endif
1303
1304   accel_kconfig = []
1305   foreach sym: accelerators
1306     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
1307       config_target += { sym: 'y' }
1308       config_all += { sym: 'y' }
1309       if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
1310         config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
1311       elif sym == 'CONFIG_XEN' and have_xen_pci_passthrough
1312         config_target += { 'CONFIG_XEN_PCI_PASSTHROUGH': 'y' }
1313       endif
1314       accel_kconfig += [ sym + '=y' ]
1315     endif
1316   endforeach
1317   if accel_kconfig.length() == 0
1318     if default_targets
1319       continue
1320     endif
1321     error('No accelerator available for target @0@'.format(target))
1322   endif
1323
1324   actual_target_dirs += target
1325   config_target += keyval.load('default-configs/targets' / target + '.mak')
1326   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
1327
1328   if 'TARGET_NEED_FDT' in config_target
1329     fdt_required += target
1330   endif
1331
1332   # Add default keys
1333   if 'TARGET_BASE_ARCH' not in config_target
1334     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
1335   endif
1336   if 'TARGET_ABI_DIR' not in config_target
1337     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
1338   endif
1339
1340   foreach k, v: disassemblers
1341     if config_host['ARCH'].startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
1342       foreach sym: v
1343         config_target += { sym: 'y' }
1344         config_all_disas += { sym: 'y' }
1345       endforeach
1346     endif
1347   endforeach
1348
1349   config_target_data = configuration_data()
1350   foreach k, v: config_target
1351     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
1352       # do nothing
1353     elif ignored.contains(k)
1354       # do nothing
1355     elif k == 'TARGET_BASE_ARCH'
1356       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
1357       # not used to select files from sourcesets.
1358       config_target_data.set('TARGET_' + v.to_upper(), 1)
1359     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
1360       config_target_data.set_quoted(k, v)
1361     elif v == 'y'
1362       config_target_data.set(k, 1)
1363     else
1364       config_target_data.set(k, v)
1365     endif
1366   endforeach
1367   config_target_h += {target: configure_file(output: target + '-config-target.h',
1368                                                configuration: config_target_data)}
1369
1370   if target.endswith('-softmmu')
1371     config_devices_mak = target + '-config-devices.mak'
1372     config_devices_mak = configure_file(
1373       input: ['default-configs/devices' / target + '.mak', 'Kconfig'],
1374       output: config_devices_mak,
1375       depfile: config_devices_mak + '.d',
1376       capture: true,
1377       command: [minikconf,
1378                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
1379                 config_devices_mak, '@DEPFILE@', '@INPUT@',
1380                 host_kconfig, accel_kconfig])
1381
1382     config_devices_data = configuration_data()
1383     config_devices = keyval.load(config_devices_mak)
1384     foreach k, v: config_devices
1385       config_devices_data.set(k, 1)
1386     endforeach
1387     config_devices_mak_list += config_devices_mak
1388     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
1389                                                 configuration: config_devices_data)}
1390     config_target += config_devices
1391     config_all_devices += config_devices
1392   endif
1393   config_target_mak += {target: config_target}
1394 endforeach
1395 target_dirs = actual_target_dirs
1396
1397 # This configuration is used to build files that are shared by
1398 # multiple binaries, and then extracted out of the "common"
1399 # static_library target.
1400 #
1401 # We do not use all_sources()/all_dependencies(), because it would
1402 # build literally all source files, including devices only used by
1403 # targets that are not built for this compilation.  The CONFIG_ALL
1404 # pseudo symbol replaces it.
1405
1406 config_all += config_all_devices
1407 config_all += config_host
1408 config_all += config_all_disas
1409 config_all += {
1410   'CONFIG_XEN': config_host.has_key('CONFIG_XEN_BACKEND'),
1411   'CONFIG_SOFTMMU': have_system,
1412   'CONFIG_USER_ONLY': have_user,
1413   'CONFIG_ALL': true,
1414 }
1415
1416 ##############
1417 # Submodules #
1418 ##############
1419
1420 capstone = not_found
1421 capstone_opt = get_option('capstone')
1422 if capstone_opt in ['enabled', 'auto', 'system']
1423   have_internal = fs.exists(meson.current_source_dir() / 'capstone/Makefile')
1424   capstone = dependency('capstone', version: '>=4.0',
1425                         kwargs: static_kwargs, method: 'pkg-config',
1426                         required: capstone_opt == 'system' or
1427                                   capstone_opt == 'enabled' and not have_internal)
1428   if capstone.found()
1429     capstone_opt = 'system'
1430   elif have_internal
1431     capstone_opt = 'internal'
1432   else
1433     capstone_opt = 'disabled'
1434   endif
1435 endif
1436 if capstone_opt == 'internal'
1437   capstone_data = configuration_data()
1438   capstone_data.set('CAPSTONE_USE_SYS_DYN_MEM', '1')
1439
1440   capstone_files = files(
1441     'capstone/cs.c',
1442     'capstone/MCInst.c',
1443     'capstone/MCInstrDesc.c',
1444     'capstone/MCRegisterInfo.c',
1445     'capstone/SStream.c',
1446     'capstone/utils.c'
1447   )
1448
1449   if 'CONFIG_ARM_DIS' in config_all_disas
1450     capstone_data.set('CAPSTONE_HAS_ARM', '1')
1451     capstone_files += files(
1452       'capstone/arch/ARM/ARMDisassembler.c',
1453       'capstone/arch/ARM/ARMInstPrinter.c',
1454       'capstone/arch/ARM/ARMMapping.c',
1455       'capstone/arch/ARM/ARMModule.c'
1456     )
1457   endif
1458
1459   # FIXME: This config entry currently depends on a c++ compiler.
1460   # Which is needed for building libvixl, but not for capstone.
1461   if 'CONFIG_ARM_A64_DIS' in config_all_disas
1462     capstone_data.set('CAPSTONE_HAS_ARM64', '1')
1463     capstone_files += files(
1464       'capstone/arch/AArch64/AArch64BaseInfo.c',
1465       'capstone/arch/AArch64/AArch64Disassembler.c',
1466       'capstone/arch/AArch64/AArch64InstPrinter.c',
1467       'capstone/arch/AArch64/AArch64Mapping.c',
1468       'capstone/arch/AArch64/AArch64Module.c'
1469     )
1470   endif
1471
1472   if 'CONFIG_PPC_DIS' in config_all_disas
1473     capstone_data.set('CAPSTONE_HAS_POWERPC', '1')
1474     capstone_files += files(
1475       'capstone/arch/PowerPC/PPCDisassembler.c',
1476       'capstone/arch/PowerPC/PPCInstPrinter.c',
1477       'capstone/arch/PowerPC/PPCMapping.c',
1478       'capstone/arch/PowerPC/PPCModule.c'
1479     )
1480   endif
1481
1482   if 'CONFIG_S390_DIS' in config_all_disas
1483     capstone_data.set('CAPSTONE_HAS_SYSZ', '1')
1484     capstone_files += files(
1485       'capstone/arch/SystemZ/SystemZDisassembler.c',
1486       'capstone/arch/SystemZ/SystemZInstPrinter.c',
1487       'capstone/arch/SystemZ/SystemZMapping.c',
1488       'capstone/arch/SystemZ/SystemZModule.c',
1489       'capstone/arch/SystemZ/SystemZMCTargetDesc.c'
1490     )
1491   endif
1492
1493   if 'CONFIG_I386_DIS' in config_all_disas
1494     capstone_data.set('CAPSTONE_HAS_X86', 1)
1495     capstone_files += files(
1496       'capstone/arch/X86/X86Disassembler.c',
1497       'capstone/arch/X86/X86DisassemblerDecoder.c',
1498       'capstone/arch/X86/X86ATTInstPrinter.c',
1499       'capstone/arch/X86/X86IntelInstPrinter.c',
1500       'capstone/arch/X86/X86InstPrinterCommon.c',
1501       'capstone/arch/X86/X86Mapping.c',
1502       'capstone/arch/X86/X86Module.c'
1503     )
1504   endif
1505
1506   configure_file(output: 'capstone-defs.h', configuration: capstone_data)
1507
1508   capstone_cargs = [
1509     # FIXME: There does not seem to be a way to completely replace the c_args
1510     # that come from add_project_arguments() -- we can only add to them.
1511     # So: disable all warnings with a big hammer.
1512     '-Wno-error', '-w',
1513
1514     # Include all configuration defines via a header file, which will wind up
1515     # as a dependency on the object file, and thus changes here will result
1516     # in a rebuild.
1517     '-include', 'capstone-defs.h'
1518   ]
1519
1520   libcapstone = static_library('capstone',
1521                                build_by_default: false,
1522                                sources: capstone_files,
1523                                c_args: capstone_cargs,
1524                                include_directories: 'capstone/include')
1525   capstone = declare_dependency(link_with: libcapstone,
1526                                 include_directories: 'capstone/include/capstone')
1527 endif
1528
1529 slirp = not_found
1530 slirp_opt = 'disabled'
1531 if have_system
1532   slirp_opt = get_option('slirp')
1533   if slirp_opt in ['enabled', 'auto', 'system']
1534     have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
1535     slirp = dependency('slirp', kwargs: static_kwargs,
1536                        method: 'pkg-config',
1537                        required: slirp_opt == 'system' or
1538                                  slirp_opt == 'enabled' and not have_internal)
1539     if slirp.found()
1540       slirp_opt = 'system'
1541     elif have_internal
1542       slirp_opt = 'internal'
1543     else
1544       slirp_opt = 'disabled'
1545     endif
1546   endif
1547   if slirp_opt == 'internal'
1548     slirp_deps = []
1549     if targetos == 'windows'
1550       slirp_deps = cc.find_library('iphlpapi')
1551     endif
1552     slirp_conf = configuration_data()
1553     slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
1554     slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
1555     slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
1556     slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
1557     slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
1558     slirp_files = [
1559       'slirp/src/arp_table.c',
1560       'slirp/src/bootp.c',
1561       'slirp/src/cksum.c',
1562       'slirp/src/dhcpv6.c',
1563       'slirp/src/dnssearch.c',
1564       'slirp/src/if.c',
1565       'slirp/src/ip6_icmp.c',
1566       'slirp/src/ip6_input.c',
1567       'slirp/src/ip6_output.c',
1568       'slirp/src/ip_icmp.c',
1569       'slirp/src/ip_input.c',
1570       'slirp/src/ip_output.c',
1571       'slirp/src/mbuf.c',
1572       'slirp/src/misc.c',
1573       'slirp/src/ncsi.c',
1574       'slirp/src/ndp_table.c',
1575       'slirp/src/sbuf.c',
1576       'slirp/src/slirp.c',
1577       'slirp/src/socket.c',
1578       'slirp/src/state.c',
1579       'slirp/src/stream.c',
1580       'slirp/src/tcp_input.c',
1581       'slirp/src/tcp_output.c',
1582       'slirp/src/tcp_subr.c',
1583       'slirp/src/tcp_timer.c',
1584       'slirp/src/tftp.c',
1585       'slirp/src/udp.c',
1586       'slirp/src/udp6.c',
1587       'slirp/src/util.c',
1588       'slirp/src/version.c',
1589       'slirp/src/vmstate.c',
1590     ]
1591
1592     configure_file(
1593       input : 'slirp/src/libslirp-version.h.in',
1594       output : 'libslirp-version.h',
1595       configuration: slirp_conf)
1596
1597     slirp_inc = include_directories('slirp', 'slirp/src')
1598     libslirp = static_library('slirp',
1599                               build_by_default: false,
1600                               sources: slirp_files,
1601                               c_args: slirp_cargs,
1602                               include_directories: slirp_inc)
1603     slirp = declare_dependency(link_with: libslirp,
1604                                dependencies: slirp_deps,
1605                                include_directories: slirp_inc)
1606   endif
1607 endif
1608
1609 # For CFI, we need to compile slirp as a static library together with qemu.
1610 # This is because we register slirp functions as callbacks for QEMU Timers.
1611 # When using a system-wide shared libslirp, the type information for the
1612 # callback is missing and the timer call produces a false positive with CFI.
1613 #
1614 # Now that slirp_opt has been defined, check if the selected slirp is compatible
1615 # with control-flow integrity.
1616 if get_option('cfi') and slirp_opt == 'system'
1617   error('Control-Flow Integrity is not compatible with system-wide slirp.' \
1618          + ' Please configure with --enable-slirp=git')
1619 endif
1620
1621 fdt = not_found
1622 fdt_opt = get_option('fdt')
1623 if have_system
1624   if fdt_opt in ['enabled', 'auto', 'system']
1625     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
1626     fdt = cc.find_library('fdt', kwargs: static_kwargs,
1627                           required: fdt_opt == 'system' or
1628                                     fdt_opt == 'enabled' and not have_internal)
1629     if fdt.found() and cc.links('''
1630        #include <libfdt.h>
1631        #include <libfdt_env.h>
1632        int main(void) { fdt_check_full(NULL, 0); return 0; }''',
1633          dependencies: fdt)
1634       fdt_opt = 'system'
1635     elif have_internal
1636       fdt_opt = 'internal'
1637     else
1638       fdt_opt = 'disabled'
1639     endif
1640   endif
1641   if fdt_opt == 'internal'
1642     fdt_files = files(
1643       'dtc/libfdt/fdt.c',
1644       'dtc/libfdt/fdt_ro.c',
1645       'dtc/libfdt/fdt_wip.c',
1646       'dtc/libfdt/fdt_sw.c',
1647       'dtc/libfdt/fdt_rw.c',
1648       'dtc/libfdt/fdt_strerror.c',
1649       'dtc/libfdt/fdt_empty_tree.c',
1650       'dtc/libfdt/fdt_addresses.c',
1651       'dtc/libfdt/fdt_overlay.c',
1652       'dtc/libfdt/fdt_check.c',
1653     )
1654
1655     fdt_inc = include_directories('dtc/libfdt')
1656     libfdt = static_library('fdt',
1657                             build_by_default: false,
1658                             sources: fdt_files,
1659                             include_directories: fdt_inc)
1660     fdt = declare_dependency(link_with: libfdt,
1661                              include_directories: fdt_inc)
1662   endif
1663 endif
1664 if not fdt.found() and fdt_required.length() > 0
1665   error('fdt not available but required by targets ' + ', '.join(fdt_required))
1666 endif
1667
1668 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
1669 config_host_data.set('CONFIG_FDT', fdt.found())
1670 config_host_data.set('CONFIG_SLIRP', slirp.found())
1671
1672 #####################
1673 # Generated sources #
1674 #####################
1675
1676 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
1677
1678 hxtool = find_program('scripts/hxtool')
1679 shaderinclude = find_program('scripts/shaderinclude.pl')
1680 qapi_gen = find_program('scripts/qapi-gen.py')
1681 qapi_gen_depends = [ meson.source_root() / 'scripts/qapi/__init__.py',
1682                      meson.source_root() / 'scripts/qapi/commands.py',
1683                      meson.source_root() / 'scripts/qapi/common.py',
1684                      meson.source_root() / 'scripts/qapi/error.py',
1685                      meson.source_root() / 'scripts/qapi/events.py',
1686                      meson.source_root() / 'scripts/qapi/expr.py',
1687                      meson.source_root() / 'scripts/qapi/gen.py',
1688                      meson.source_root() / 'scripts/qapi/introspect.py',
1689                      meson.source_root() / 'scripts/qapi/parser.py',
1690                      meson.source_root() / 'scripts/qapi/schema.py',
1691                      meson.source_root() / 'scripts/qapi/source.py',
1692                      meson.source_root() / 'scripts/qapi/types.py',
1693                      meson.source_root() / 'scripts/qapi/visit.py',
1694                      meson.source_root() / 'scripts/qapi/common.py',
1695                      meson.source_root() / 'scripts/qapi-gen.py'
1696 ]
1697
1698 tracetool = [
1699   python, files('scripts/tracetool.py'),
1700    '--backend=' + config_host['TRACE_BACKENDS']
1701 ]
1702 tracetool_depends = files(
1703   'scripts/tracetool/backend/log.py',
1704   'scripts/tracetool/backend/__init__.py',
1705   'scripts/tracetool/backend/dtrace.py',
1706   'scripts/tracetool/backend/ftrace.py',
1707   'scripts/tracetool/backend/simple.py',
1708   'scripts/tracetool/backend/syslog.py',
1709   'scripts/tracetool/backend/ust.py',
1710   'scripts/tracetool/format/tcg_h.py',
1711   'scripts/tracetool/format/ust_events_c.py',
1712   'scripts/tracetool/format/ust_events_h.py',
1713   'scripts/tracetool/format/__init__.py',
1714   'scripts/tracetool/format/d.py',
1715   'scripts/tracetool/format/tcg_helper_c.py',
1716   'scripts/tracetool/format/simpletrace_stap.py',
1717   'scripts/tracetool/format/c.py',
1718   'scripts/tracetool/format/h.py',
1719   'scripts/tracetool/format/tcg_helper_h.py',
1720   'scripts/tracetool/format/log_stap.py',
1721   'scripts/tracetool/format/stap.py',
1722   'scripts/tracetool/format/tcg_helper_wrapper_h.py',
1723   'scripts/tracetool/__init__.py',
1724   'scripts/tracetool/transform.py',
1725   'scripts/tracetool/vcpu.py'
1726 )
1727
1728 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
1729                     meson.current_source_dir(),
1730                     config_host['PKGVERSION'], meson.project_version()]
1731 qemu_version = custom_target('qemu-version.h',
1732                              output: 'qemu-version.h',
1733                              command: qemu_version_cmd,
1734                              capture: true,
1735                              build_by_default: true,
1736                              build_always_stale: true)
1737 genh += qemu_version
1738
1739 hxdep = []
1740 hx_headers = [
1741   ['qemu-options.hx', 'qemu-options.def'],
1742   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
1743 ]
1744 if have_system
1745   hx_headers += [
1746     ['hmp-commands.hx', 'hmp-commands.h'],
1747     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
1748   ]
1749 endif
1750 foreach d : hx_headers
1751   hxdep += custom_target(d[1],
1752                 input: files(d[0]),
1753                 output: d[1],
1754                 capture: true,
1755                 build_by_default: true, # to be removed when added to a target
1756                 command: [hxtool, '-h', '@INPUT0@'])
1757 endforeach
1758 genh += hxdep
1759
1760 ###################
1761 # Collect sources #
1762 ###################
1763
1764 authz_ss = ss.source_set()
1765 blockdev_ss = ss.source_set()
1766 block_ss = ss.source_set()
1767 bsd_user_ss = ss.source_set()
1768 chardev_ss = ss.source_set()
1769 common_ss = ss.source_set()
1770 crypto_ss = ss.source_set()
1771 io_ss = ss.source_set()
1772 linux_user_ss = ss.source_set()
1773 qmp_ss = ss.source_set()
1774 qom_ss = ss.source_set()
1775 softmmu_ss = ss.source_set()
1776 specific_fuzz_ss = ss.source_set()
1777 specific_ss = ss.source_set()
1778 stub_ss = ss.source_set()
1779 trace_ss = ss.source_set()
1780 user_ss = ss.source_set()
1781 util_ss = ss.source_set()
1782
1783 modules = {}
1784 hw_arch = {}
1785 target_arch = {}
1786 target_softmmu_arch = {}
1787 target_user_arch = {}
1788
1789 ###############
1790 # Trace files #
1791 ###############
1792
1793 # TODO: add each directory to the subdirs from its own meson.build, once
1794 # we have those
1795 trace_events_subdirs = [
1796   'crypto',
1797   'qapi',
1798   'qom',
1799   'monitor',
1800   'util',
1801 ]
1802 if have_user
1803   trace_events_subdirs += [ 'linux-user' ]
1804 endif
1805 if have_block
1806   trace_events_subdirs += [
1807     'authz',
1808     'block',
1809     'io',
1810     'nbd',
1811     'scsi',
1812   ]
1813 endif
1814 if have_system
1815   trace_events_subdirs += [
1816     'accel/kvm',
1817     'audio',
1818     'backends',
1819     'backends/tpm',
1820     'chardev',
1821     'ebpf',
1822     'hw/9pfs',
1823     'hw/acpi',
1824     'hw/adc',
1825     'hw/alpha',
1826     'hw/arm',
1827     'hw/audio',
1828     'hw/block',
1829     'hw/block/dataplane',
1830     'hw/char',
1831     'hw/display',
1832     'hw/dma',
1833     'hw/hppa',
1834     'hw/hyperv',
1835     'hw/i2c',
1836     'hw/i386',
1837     'hw/i386/xen',
1838     'hw/ide',
1839     'hw/input',
1840     'hw/intc',
1841     'hw/isa',
1842     'hw/mem',
1843     'hw/mips',
1844     'hw/misc',
1845     'hw/misc/macio',
1846     'hw/net',
1847     'hw/net/can',
1848     'hw/nvme',
1849     'hw/nvram',
1850     'hw/pci',
1851     'hw/pci-host',
1852     'hw/ppc',
1853     'hw/rdma',
1854     'hw/rdma/vmw',
1855     'hw/rtc',
1856     'hw/s390x',
1857     'hw/scsi',
1858     'hw/sd',
1859     'hw/sparc',
1860     'hw/sparc64',
1861     'hw/ssi',
1862     'hw/timer',
1863     'hw/tpm',
1864     'hw/usb',
1865     'hw/vfio',
1866     'hw/virtio',
1867     'hw/watchdog',
1868     'hw/xen',
1869     'hw/gpio',
1870     'migration',
1871     'net',
1872     'softmmu',
1873     'ui',
1874     'hw/remote',
1875   ]
1876 endif
1877 if have_system or have_user
1878   trace_events_subdirs += [
1879     'accel/tcg',
1880     'hw/core',
1881     'target/arm',
1882     'target/hppa',
1883     'target/i386',
1884     'target/i386/kvm',
1885     'target/mips',
1886     'target/ppc',
1887     'target/riscv',
1888     'target/s390x',
1889     'target/sparc',
1890   ]
1891 endif
1892
1893 vhost_user = not_found
1894 if 'CONFIG_VHOST_USER' in config_host
1895   libvhost_user = subproject('libvhost-user')
1896   vhost_user = libvhost_user.get_variable('vhost_user_dep')
1897 endif
1898
1899 subdir('qapi')
1900 subdir('qobject')
1901 subdir('stubs')
1902 subdir('trace')
1903 subdir('util')
1904 subdir('qom')
1905 subdir('authz')
1906 subdir('crypto')
1907 subdir('ui')
1908
1909
1910 if enable_modules
1911   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
1912   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
1913 endif
1914
1915 stub_ss = stub_ss.apply(config_all, strict: false)
1916
1917 util_ss.add_all(trace_ss)
1918 util_ss = util_ss.apply(config_all, strict: false)
1919 libqemuutil = static_library('qemuutil',
1920                              sources: util_ss.sources() + stub_ss.sources() + genh,
1921                              dependencies: [util_ss.dependencies(), libm, glib, socket, malloc, pixman])
1922 qemuutil = declare_dependency(link_with: libqemuutil,
1923                               sources: genh + version_res)
1924
1925 if have_system or have_user
1926   decodetree = generator(find_program('scripts/decodetree.py'),
1927                          output: 'decode-@BASENAME@.c.inc',
1928                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
1929   subdir('libdecnumber')
1930   subdir('target')
1931 endif
1932
1933 subdir('audio')
1934 subdir('io')
1935 subdir('chardev')
1936 subdir('fsdev')
1937 subdir('dump')
1938
1939 if have_block
1940   block_ss.add(files(
1941     'block.c',
1942     'blockjob.c',
1943     'job.c',
1944     'qemu-io-cmds.c',
1945   ))
1946   block_ss.add(when: 'CONFIG_REPLICATION', if_true: files('replication.c'))
1947
1948   subdir('nbd')
1949   subdir('scsi')
1950   subdir('block')
1951
1952   blockdev_ss.add(files(
1953     'blockdev.c',
1954     'blockdev-nbd.c',
1955     'iothread.c',
1956     'job-qmp.c',
1957   ), gnutls)
1958
1959   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
1960   # os-win32.c does not
1961   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
1962   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
1963 endif
1964
1965 common_ss.add(files('cpus-common.c'))
1966
1967 subdir('softmmu')
1968
1969 common_ss.add(capstone)
1970 specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
1971
1972 # Work around a gcc bug/misfeature wherein constant propagation looks
1973 # through an alias:
1974 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
1975 # to guess that a const variable is always zero.  Without lto, this is
1976 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
1977 # without lto, not even the alias is required -- we simply use different
1978 # declarations in different compilation units.
1979 pagevary = files('page-vary-common.c')
1980 if get_option('b_lto')
1981   pagevary_flags = ['-fno-lto']
1982   if get_option('cfi')
1983     pagevary_flags += '-fno-sanitize=cfi-icall'
1984   endif
1985   pagevary = static_library('page-vary-common', sources: pagevary,
1986                             c_args: pagevary_flags)
1987   pagevary = declare_dependency(link_with: pagevary)
1988 endif
1989 common_ss.add(pagevary)
1990 specific_ss.add(files('page-vary.c'))
1991
1992 subdir('backends')
1993 subdir('disas')
1994 subdir('migration')
1995 subdir('monitor')
1996 subdir('net')
1997 subdir('replay')
1998 subdir('semihosting')
1999 subdir('hw')
2000 subdir('tcg')
2001 subdir('fpu')
2002 subdir('accel')
2003 subdir('plugins')
2004 subdir('bsd-user')
2005 subdir('linux-user')
2006 subdir('ebpf')
2007
2008 common_ss.add(libbpf)
2009
2010 bsd_user_ss.add(files('gdbstub.c'))
2011 specific_ss.add_all(when: 'CONFIG_BSD_USER', if_true: bsd_user_ss)
2012
2013 linux_user_ss.add(files('gdbstub.c', 'thunk.c'))
2014 specific_ss.add_all(when: 'CONFIG_LINUX_USER', if_true: linux_user_ss)
2015
2016 # needed for fuzzing binaries
2017 subdir('tests/qtest/libqos')
2018 subdir('tests/qtest/fuzz')
2019
2020 ########################
2021 # Library dependencies #
2022 ########################
2023
2024 block_mods = []
2025 softmmu_mods = []
2026 foreach d, list : modules
2027   foreach m, module_ss : list
2028     if enable_modules and targetos != 'windows'
2029       module_ss = module_ss.apply(config_all, strict: false)
2030       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
2031                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
2032       if d == 'block'
2033         block_mods += sl
2034       else
2035         softmmu_mods += sl
2036       endif
2037     else
2038       if d == 'block'
2039         block_ss.add_all(module_ss)
2040       else
2041         softmmu_ss.add_all(module_ss)
2042       endif
2043     endif
2044   endforeach
2045 endforeach
2046
2047 nm = find_program('nm')
2048 undefsym = find_program('scripts/undefsym.py')
2049 block_syms = custom_target('block.syms', output: 'block.syms',
2050                              input: [libqemuutil, block_mods],
2051                              capture: true,
2052                              command: [undefsym, nm, '@INPUT@'])
2053 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
2054                              input: [libqemuutil, softmmu_mods],
2055                              capture: true,
2056                              command: [undefsym, nm, '@INPUT@'])
2057
2058 qom_ss = qom_ss.apply(config_host, strict: false)
2059 libqom = static_library('qom', qom_ss.sources() + genh,
2060                         dependencies: [qom_ss.dependencies()],
2061                         name_suffix: 'fa')
2062
2063 qom = declare_dependency(link_whole: libqom)
2064
2065 authz_ss = authz_ss.apply(config_host, strict: false)
2066 libauthz = static_library('authz', authz_ss.sources() + genh,
2067                           dependencies: [authz_ss.dependencies()],
2068                           name_suffix: 'fa',
2069                           build_by_default: false)
2070
2071 authz = declare_dependency(link_whole: libauthz,
2072                            dependencies: qom)
2073
2074 crypto_ss = crypto_ss.apply(config_host, strict: false)
2075 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
2076                            dependencies: [crypto_ss.dependencies()],
2077                            name_suffix: 'fa',
2078                            build_by_default: false)
2079
2080 crypto = declare_dependency(link_whole: libcrypto,
2081                             dependencies: [authz, qom])
2082
2083 io_ss = io_ss.apply(config_host, strict: false)
2084 libio = static_library('io', io_ss.sources() + genh,
2085                        dependencies: [io_ss.dependencies()],
2086                        link_with: libqemuutil,
2087                        name_suffix: 'fa',
2088                        build_by_default: false)
2089
2090 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
2091
2092 libmigration = static_library('migration', sources: migration_files + genh,
2093                               name_suffix: 'fa',
2094                               build_by_default: false)
2095 migration = declare_dependency(link_with: libmigration,
2096                                dependencies: [zlib, qom, io])
2097 softmmu_ss.add(migration)
2098
2099 block_ss = block_ss.apply(config_host, strict: false)
2100 libblock = static_library('block', block_ss.sources() + genh,
2101                           dependencies: block_ss.dependencies(),
2102                           link_depends: block_syms,
2103                           name_suffix: 'fa',
2104                           build_by_default: false)
2105
2106 block = declare_dependency(link_whole: [libblock],
2107                            link_args: '@block.syms',
2108                            dependencies: [crypto, io])
2109
2110 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
2111 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
2112                              dependencies: blockdev_ss.dependencies(),
2113                              name_suffix: 'fa',
2114                              build_by_default: false)
2115
2116 blockdev = declare_dependency(link_whole: [libblockdev],
2117                               dependencies: [block])
2118
2119 qmp_ss = qmp_ss.apply(config_host, strict: false)
2120 libqmp = static_library('qmp', qmp_ss.sources() + genh,
2121                         dependencies: qmp_ss.dependencies(),
2122                         name_suffix: 'fa',
2123                         build_by_default: false)
2124
2125 qmp = declare_dependency(link_whole: [libqmp])
2126
2127 libchardev = static_library('chardev', chardev_ss.sources() + genh,
2128                             name_suffix: 'fa',
2129                             dependencies: [gnutls],
2130                             build_by_default: false)
2131
2132 chardev = declare_dependency(link_whole: libchardev)
2133
2134 libhwcore = static_library('hwcore', sources: hwcore_files + genh,
2135                            name_suffix: 'fa',
2136                            build_by_default: false)
2137 hwcore = declare_dependency(link_whole: libhwcore)
2138 common_ss.add(hwcore)
2139
2140 ###########
2141 # Targets #
2142 ###########
2143
2144 foreach m : block_mods + softmmu_mods
2145   shared_module(m.name(),
2146                 name_prefix: '',
2147                 link_whole: m,
2148                 install: true,
2149                 install_dir: qemu_moddir)
2150 endforeach
2151
2152 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
2153 common_ss.add(qom, qemuutil)
2154
2155 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
2156 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
2157
2158 common_all = common_ss.apply(config_all, strict: false)
2159 common_all = static_library('common',
2160                             build_by_default: false,
2161                             sources: common_all.sources() + genh,
2162                             implicit_include_directories: false,
2163                             dependencies: common_all.dependencies(),
2164                             name_suffix: 'fa')
2165
2166 feature_to_c = find_program('scripts/feature_to_c.sh')
2167
2168 emulators = {}
2169 foreach target : target_dirs
2170   config_target = config_target_mak[target]
2171   target_name = config_target['TARGET_NAME']
2172   arch = config_target['TARGET_BASE_ARCH']
2173   arch_srcs = [config_target_h[target]]
2174   arch_deps = []
2175   c_args = ['-DNEED_CPU_H',
2176             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
2177             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
2178   link_args = emulator_link_args
2179
2180   config_target += config_host
2181   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
2182   if targetos == 'linux'
2183     target_inc += include_directories('linux-headers', is_system: true)
2184   endif
2185   if target.endswith('-softmmu')
2186     qemu_target_name = 'qemu-system-' + target_name
2187     target_type='system'
2188     t = target_softmmu_arch[arch].apply(config_target, strict: false)
2189     arch_srcs += t.sources()
2190     arch_deps += t.dependencies()
2191
2192     hw_dir = target_name == 'sparc64' ? 'sparc64' : arch
2193     hw = hw_arch[hw_dir].apply(config_target, strict: false)
2194     arch_srcs += hw.sources()
2195     arch_deps += hw.dependencies()
2196
2197     arch_srcs += config_devices_h[target]
2198     link_args += ['@block.syms', '@qemu.syms']
2199   else
2200     abi = config_target['TARGET_ABI_DIR']
2201     target_type='user'
2202     qemu_target_name = 'qemu-' + target_name
2203     if arch in target_user_arch
2204       t = target_user_arch[arch].apply(config_target, strict: false)
2205       arch_srcs += t.sources()
2206       arch_deps += t.dependencies()
2207     endif
2208     if 'CONFIG_LINUX_USER' in config_target
2209       base_dir = 'linux-user'
2210       target_inc += include_directories('linux-user/host/' / config_host['ARCH'])
2211     else
2212       base_dir = 'bsd-user'
2213       target_inc += include_directories('bsd-user/freebsd')
2214     endif
2215     target_inc += include_directories(
2216       base_dir,
2217       base_dir / abi,
2218     )
2219     if 'CONFIG_LINUX_USER' in config_target
2220       dir = base_dir / abi
2221       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
2222       if config_target.has_key('TARGET_SYSTBL_ABI')
2223         arch_srcs += \
2224           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
2225                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
2226       endif
2227     endif
2228   endif
2229
2230   if 'TARGET_XML_FILES' in config_target
2231     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
2232                                 output: target + '-gdbstub-xml.c',
2233                                 input: files(config_target['TARGET_XML_FILES'].split()),
2234                                 command: [feature_to_c, '@INPUT@'],
2235                                 capture: true)
2236     arch_srcs += gdbstub_xml
2237   endif
2238
2239   t = target_arch[arch].apply(config_target, strict: false)
2240   arch_srcs += t.sources()
2241   arch_deps += t.dependencies()
2242
2243   target_common = common_ss.apply(config_target, strict: false)
2244   objects = common_all.extract_objects(target_common.sources())
2245   deps = target_common.dependencies()
2246
2247   target_specific = specific_ss.apply(config_target, strict: false)
2248   arch_srcs += target_specific.sources()
2249   arch_deps += target_specific.dependencies()
2250
2251   lib = static_library('qemu-' + target,
2252                  sources: arch_srcs + genh,
2253                  dependencies: arch_deps,
2254                  objects: objects,
2255                  include_directories: target_inc,
2256                  c_args: c_args,
2257                  build_by_default: false,
2258                  name_suffix: 'fa')
2259
2260   if target.endswith('-softmmu')
2261     execs = [{
2262       'name': 'qemu-system-' + target_name,
2263       'gui': false,
2264       'sources': files('softmmu/main.c'),
2265       'dependencies': []
2266     }]
2267     if targetos == 'windows' and (sdl.found() or gtk.found())
2268       execs += [{
2269         'name': 'qemu-system-' + target_name + 'w',
2270         'gui': true,
2271         'sources': files('softmmu/main.c'),
2272         'dependencies': []
2273       }]
2274     endif
2275     if config_host.has_key('CONFIG_FUZZ')
2276       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
2277       execs += [{
2278         'name': 'qemu-fuzz-' + target_name,
2279         'gui': false,
2280         'sources': specific_fuzz.sources(),
2281         'dependencies': specific_fuzz.dependencies(),
2282       }]
2283     endif
2284   else
2285     execs = [{
2286       'name': 'qemu-' + target_name,
2287       'gui': false,
2288       'sources': [],
2289       'dependencies': []
2290     }]
2291   endif
2292   foreach exe: execs
2293     exe_name = exe['name']
2294     exe_sign = 'CONFIG_HVF' in config_target
2295     if exe_sign
2296       exe_name += '-unsigned'
2297     endif
2298
2299     emulator = executable(exe_name, exe['sources'],
2300                install: true,
2301                c_args: c_args,
2302                dependencies: arch_deps + deps + exe['dependencies'],
2303                objects: lib.extract_all_objects(recursive: true),
2304                link_language: link_language,
2305                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
2306                link_args: link_args,
2307                gui_app: exe['gui'])
2308
2309     if exe_sign
2310       emulators += {exe['name'] : custom_target(exe['name'],
2311                    depends: emulator,
2312                    output: exe['name'],
2313                    command: [
2314                      meson.current_source_dir() / 'scripts/entitlement.sh',
2315                      meson.current_build_dir() / exe_name,
2316                      meson.current_build_dir() / exe['name'],
2317                      meson.current_source_dir() / 'accel/hvf/entitlements.plist'
2318                    ])
2319       }
2320
2321       meson.add_install_script('scripts/entitlement.sh', '--install',
2322                                get_option('bindir') / exe_name,
2323                                get_option('bindir') / exe['name'],
2324                                meson.current_source_dir() / 'accel/hvf/entitlements.plist')
2325     else
2326       emulators += {exe['name']: emulator}
2327     endif
2328
2329     if 'CONFIG_TRACE_SYSTEMTAP' in config_host
2330       foreach stp: [
2331         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
2332         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
2333         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
2334         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
2335       ]
2336         custom_target(exe['name'] + stp['ext'],
2337                       input: trace_events_all,
2338                       output: exe['name'] + stp['ext'],
2339                       install: stp['install'],
2340                       install_dir: get_option('datadir') / 'systemtap/tapset',
2341                       command: [
2342                         tracetool, '--group=all', '--format=' + stp['fmt'],
2343                         '--binary=' + stp['bin'],
2344                         '--target-name=' + target_name,
2345                         '--target-type=' + target_type,
2346                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
2347                         '@INPUT@', '@OUTPUT@'
2348                       ],
2349                       depend_files: tracetool_depends)
2350       endforeach
2351     endif
2352   endforeach
2353 endforeach
2354
2355 # Other build targets
2356
2357 if 'CONFIG_PLUGIN' in config_host
2358   install_headers('include/qemu/qemu-plugin.h')
2359 endif
2360
2361 if 'CONFIG_GUEST_AGENT' in config_host
2362   subdir('qga')
2363 elif get_option('guest_agent_msi').enabled()
2364   error('Guest agent MSI requested, but the guest agent is not being built')
2365 endif
2366
2367 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
2368 # when we don't build tools or system
2369 if xkbcommon.found()
2370   # used for the update-keymaps target, so include rules even if !have_tools
2371   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
2372                            dependencies: [qemuutil, xkbcommon], install: have_tools)
2373 endif
2374
2375 if have_tools
2376   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
2377              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
2378   qemu_io = executable('qemu-io', files('qemu-io.c'),
2379              dependencies: [block, qemuutil], install: true)
2380   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
2381                dependencies: [blockdev, qemuutil, gnutls], install: true)
2382
2383   subdir('storage-daemon')
2384   subdir('contrib/rdmacm-mux')
2385   subdir('contrib/elf2dmp')
2386
2387   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
2388              dependencies: qemuutil,
2389              install: true)
2390
2391   if 'CONFIG_VHOST_USER' in config_host
2392     subdir('contrib/vhost-user-blk')
2393     subdir('contrib/vhost-user-gpu')
2394     subdir('contrib/vhost-user-input')
2395     subdir('contrib/vhost-user-scsi')
2396   endif
2397
2398   if targetos == 'linux'
2399     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
2400                dependencies: [qemuutil, libcap_ng],
2401                install: true,
2402                install_dir: get_option('libexecdir'))
2403
2404     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
2405                dependencies: [authz, crypto, io, qom, qemuutil,
2406                               libcap_ng, mpathpersist],
2407                install: true)
2408   endif
2409
2410   if 'CONFIG_IVSHMEM' in config_host
2411     subdir('contrib/ivshmem-client')
2412     subdir('contrib/ivshmem-server')
2413   endif
2414 endif
2415
2416 subdir('scripts')
2417 subdir('tools')
2418 subdir('pc-bios')
2419 subdir('docs')
2420 subdir('tests')
2421 if gtk.found()
2422   subdir('po')
2423 endif
2424
2425 if host_machine.system() == 'windows'
2426   nsis_cmd = [
2427     find_program('scripts/nsis.py'),
2428     '@OUTPUT@',
2429     get_option('prefix'),
2430     meson.current_source_dir(),
2431     host_machine.cpu(),
2432     '--',
2433     '-DDISPLAYVERSION=' + meson.project_version(),
2434   ]
2435   if build_docs
2436     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
2437   endif
2438   if gtk.found()
2439     nsis_cmd += '-DCONFIG_GTK=y'
2440   endif
2441
2442   nsis = custom_target('nsis',
2443                        output: 'qemu-setup-' + meson.project_version() + '.exe',
2444                        input: files('qemu.nsi'),
2445                        build_always_stale: true,
2446                        command: nsis_cmd + ['@INPUT@'])
2447   alias_target('installer', nsis)
2448 endif
2449
2450 #########################
2451 # Configuration summary #
2452 #########################
2453
2454 # Directories
2455 summary_info = {}
2456 summary_info += {'Install prefix':    get_option('prefix')}
2457 summary_info += {'BIOS directory':    qemu_datadir}
2458 summary_info += {'firmware path':     get_option('qemu_firmwarepath')}
2459 summary_info += {'binary directory':  get_option('bindir')}
2460 summary_info += {'library directory': get_option('libdir')}
2461 summary_info += {'module directory':  qemu_moddir}
2462 summary_info += {'libexec directory': get_option('libexecdir')}
2463 summary_info += {'include directory': get_option('includedir')}
2464 summary_info += {'config directory':  get_option('sysconfdir')}
2465 if targetos != 'windows'
2466   summary_info += {'local state directory': get_option('localstatedir')}
2467   summary_info += {'Manual directory':      get_option('mandir')}
2468 else
2469   summary_info += {'local state directory': 'queried at runtime'}
2470 endif
2471 summary_info += {'Doc directory':     get_option('docdir')}
2472 summary_info += {'Build directory':   meson.current_build_dir()}
2473 summary_info += {'Source path':       meson.current_source_dir()}
2474 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
2475 summary(summary_info, bool_yn: true, section: 'Directories')
2476
2477 # Host binaries
2478 summary_info = {}
2479 summary_info += {'git':               config_host['GIT']}
2480 summary_info += {'make':              config_host['MAKE']}
2481 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
2482 summary_info += {'sphinx-build':      sphinx_build.found()}
2483 if config_host.has_key('HAVE_GDB_BIN')
2484   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
2485 endif
2486 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
2487 if targetos == 'windows' and config_host.has_key('CONFIG_GUEST_AGENT')
2488   summary_info += {'wixl':            wixl.found() ? wixl.full_path() : false}
2489 endif
2490 if slirp_opt != 'disabled' and 'CONFIG_SLIRP_SMBD' in config_host
2491   summary_info += {'smbd':            config_host['CONFIG_SMBD_COMMAND']}
2492 endif
2493 summary(summary_info, bool_yn: true, section: 'Host binaries')
2494
2495 # Configurable features
2496 summary_info = {}
2497 summary_info += {'Documentation':     build_docs}
2498 summary_info += {'system-mode emulation': have_system}
2499 summary_info += {'user-mode emulation': have_user}
2500 summary_info += {'block layer':       have_block}
2501 summary_info += {'Install blobs':     get_option('install_blobs')}
2502 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
2503 if config_host.has_key('CONFIG_MODULES')
2504   summary_info += {'alternative module path': config_host.has_key('CONFIG_MODULE_UPGRADES')}
2505 endif
2506 summary_info += {'plugin support':    config_host.has_key('CONFIG_PLUGIN')}
2507 summary_info += {'fuzzing support':   config_host.has_key('CONFIG_FUZZ')}
2508 if have_system
2509   summary_info += {'Audio drivers':     config_host['CONFIG_AUDIO_DRIVERS']}
2510 endif
2511 summary_info += {'Trace backends':    config_host['TRACE_BACKENDS']}
2512 if config_host['TRACE_BACKENDS'].split().contains('simple')
2513   summary_info += {'Trace output file': config_host['CONFIG_TRACE_FILE'] + '-<pid>'}
2514 endif
2515 summary_info += {'QOM debugging':     config_host.has_key('CONFIG_QOM_CAST_DEBUG')}
2516 summary_info += {'vhost-kernel support': config_host.has_key('CONFIG_VHOST_KERNEL')}
2517 summary_info += {'vhost-net support': config_host.has_key('CONFIG_VHOST_NET')}
2518 summary_info += {'vhost-crypto support': config_host.has_key('CONFIG_VHOST_CRYPTO')}
2519 summary_info += {'vhost-scsi support': config_host.has_key('CONFIG_VHOST_SCSI')}
2520 summary_info += {'vhost-vsock support': config_host.has_key('CONFIG_VHOST_VSOCK')}
2521 summary_info += {'vhost-user support': config_host.has_key('CONFIG_VHOST_USER')}
2522 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
2523 summary_info += {'vhost-user-fs support': config_host.has_key('CONFIG_VHOST_USER_FS')}
2524 summary_info += {'vhost-vdpa support': config_host.has_key('CONFIG_VHOST_VDPA')}
2525 summary_info += {'build guest agent': config_host.has_key('CONFIG_GUEST_AGENT')}
2526 summary(summary_info, bool_yn: true, section: 'Configurable features')
2527
2528 # Compilation information
2529 summary_info = {}
2530 summary_info += {'host CPU':          cpu}
2531 summary_info += {'host endianness':   build_machine.endian()}
2532 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
2533 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
2534 if link_language == 'cpp'
2535   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
2536 else
2537   summary_info += {'C++ compiler':      false}
2538 endif
2539 if targetos == 'darwin'
2540   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
2541 endif
2542 if targetos == 'windows'
2543   if 'WIN_SDK' in config_host
2544     summary_info += {'Windows SDK':   config_host['WIN_SDK']}
2545   endif
2546 endif
2547 summary_info += {'ARFLAGS':           config_host['ARFLAGS']}
2548 summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
2549                                                + ['-O' + get_option('optimization')]
2550                                                + (get_option('debug') ? ['-g'] : []))}
2551 if link_language == 'cpp'
2552   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
2553                                                + ['-O' + get_option('optimization')]
2554                                                + (get_option('debug') ? ['-g'] : []))}
2555 endif
2556 link_args = get_option(link_language + '_link_args')
2557 if link_args.length() > 0
2558   summary_info += {'LDFLAGS':         ' '.join(link_args)}
2559 endif
2560 summary_info += {'QEMU_CFLAGS':       config_host['QEMU_CFLAGS']}
2561 summary_info += {'QEMU_LDFLAGS':      config_host['QEMU_LDFLAGS']}
2562 summary_info += {'profiler':          config_host.has_key('CONFIG_PROFILER')}
2563 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
2564 summary_info += {'PIE':               get_option('b_pie')}
2565 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
2566 summary_info += {'malloc trim support': has_malloc_trim}
2567 summary_info += {'membarrier':        config_host.has_key('CONFIG_MEMBARRIER')}
2568 summary_info += {'preadv support':    config_host_data.get('CONFIG_PREADV')}
2569 summary_info += {'fdatasync':         config_host.has_key('CONFIG_FDATASYNC')}
2570 summary_info += {'madvise':           config_host.has_key('CONFIG_MADVISE')}
2571 summary_info += {'posix_madvise':     config_host.has_key('CONFIG_POSIX_MADVISE')}
2572 summary_info += {'posix_memalign':    config_host.has_key('CONFIG_POSIX_MEMALIGN')}
2573 summary_info += {'debug stack usage': config_host.has_key('CONFIG_DEBUG_STACK_USAGE')}
2574 summary_info += {'mutex debugging':   config_host.has_key('CONFIG_DEBUG_MUTEX')}
2575 summary_info += {'memory allocator':  get_option('malloc')}
2576 summary_info += {'avx2 optimization': config_host.has_key('CONFIG_AVX2_OPT')}
2577 summary_info += {'avx512f optimization': config_host.has_key('CONFIG_AVX512F_OPT')}
2578 summary_info += {'gprof enabled':     config_host.has_key('CONFIG_GPROF')}
2579 summary_info += {'gcov':              get_option('b_coverage')}
2580 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
2581 summary_info += {'CFI support':       get_option('cfi')}
2582 if get_option('cfi')
2583   summary_info += {'CFI debug support': get_option('cfi_debug')}
2584 endif
2585 summary_info += {'strip binaries':    get_option('strip')}
2586 summary_info += {'sparse':            sparse.found() ? sparse.full_path() : false}
2587 summary_info += {'mingw32 support':   targetos == 'windows'}
2588
2589 # snarf the cross-compilation information for tests
2590 foreach target: target_dirs
2591   tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + '.mak'
2592   if fs.exists(tcg_mak)
2593     config_cross_tcg = keyval.load(tcg_mak)
2594     target = config_cross_tcg['TARGET_NAME']
2595     compiler = ''
2596     if 'DOCKER_CROSS_CC_GUEST' in config_cross_tcg
2597       summary_info += {target + ' tests': config_cross_tcg['DOCKER_CROSS_CC_GUEST'] +
2598                                           ' via ' + config_cross_tcg['DOCKER_IMAGE']}
2599     elif 'CROSS_CC_GUEST' in config_cross_tcg
2600       summary_info += {target + ' tests'
2601                                 : config_cross_tcg['CROSS_CC_GUEST'] }
2602     endif
2603    endif
2604 endforeach
2605
2606 summary(summary_info, bool_yn: true, section: 'Compilation')
2607
2608 # Targets and accelerators
2609 summary_info = {}
2610 if have_system
2611   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
2612   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
2613   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
2614   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
2615   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
2616   summary_info += {'Xen support':       config_host.has_key('CONFIG_XEN_BACKEND')}
2617   if config_host.has_key('CONFIG_XEN_BACKEND')
2618     summary_info += {'xen ctrl version':  config_host['CONFIG_XEN_CTRL_INTERFACE_VERSION']}
2619   endif
2620 endif
2621 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
2622 if config_all.has_key('CONFIG_TCG')
2623   if get_option('tcg_interpreter')
2624     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, experimental and slow)'}
2625   else
2626     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
2627   endif
2628   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
2629 endif
2630 summary_info += {'target list':       ' '.join(target_dirs)}
2631 if have_system
2632   summary_info += {'default devices':   get_option('default_devices')}
2633   summary_info += {'out of process emulation': multiprocess_allowed}
2634 endif
2635 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
2636
2637 # Block layer
2638 summary_info = {}
2639 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
2640 summary_info += {'coroutine pool':    config_host['CONFIG_COROUTINE_POOL'] == '1'}
2641 if have_block
2642   summary_info += {'Block whitelist (rw)': config_host['CONFIG_BDRV_RW_WHITELIST']}
2643   summary_info += {'Block whitelist (ro)': config_host['CONFIG_BDRV_RO_WHITELIST']}
2644   summary_info += {'VirtFS support':    have_virtfs}
2645   summary_info += {'build virtiofs daemon': have_virtiofsd}
2646   summary_info += {'Live block migration': config_host.has_key('CONFIG_LIVE_BLOCK_MIGRATION')}
2647   summary_info += {'replication support': config_host.has_key('CONFIG_REPLICATION')}
2648   summary_info += {'bochs support':     config_host.has_key('CONFIG_BOCHS')}
2649   summary_info += {'cloop support':     config_host.has_key('CONFIG_CLOOP')}
2650   summary_info += {'dmg support':       config_host.has_key('CONFIG_DMG')}
2651   summary_info += {'qcow v1 support':   config_host.has_key('CONFIG_QCOW1')}
2652   summary_info += {'vdi support':       config_host.has_key('CONFIG_VDI')}
2653   summary_info += {'vvfat support':     config_host.has_key('CONFIG_VVFAT')}
2654   summary_info += {'qed support':       config_host.has_key('CONFIG_QED')}
2655   summary_info += {'parallels support': config_host.has_key('CONFIG_PARALLELS')}
2656   summary_info += {'FUSE exports':      fuse.found()}
2657 endif
2658 summary(summary_info, bool_yn: true, section: 'Block layer support')
2659
2660 # Crypto
2661 summary_info = {}
2662 summary_info += {'TLS priority':      config_host['CONFIG_TLS_PRIORITY']}
2663 summary_info += {'GNUTLS support':    config_host.has_key('CONFIG_GNUTLS')}
2664 # TODO: add back version
2665 summary_info += {'libgcrypt':         config_host.has_key('CONFIG_GCRYPT')}
2666 if config_host.has_key('CONFIG_GCRYPT')
2667    summary_info += {'  hmac':            config_host.has_key('CONFIG_GCRYPT_HMAC')}
2668    summary_info += {'  XTS':             not config_host.has_key('CONFIG_QEMU_PRIVATE_XTS')}
2669 endif
2670 # TODO: add back version
2671 summary_info += {'nettle':            config_host.has_key('CONFIG_NETTLE')}
2672 if config_host.has_key('CONFIG_NETTLE')
2673    summary_info += {'  XTS':             not config_host.has_key('CONFIG_QEMU_PRIVATE_XTS')}
2674 endif
2675 summary_info += {'crypto afalg':      config_host.has_key('CONFIG_AF_ALG')}
2676 summary_info += {'rng-none':          config_host.has_key('CONFIG_RNG_NONE')}
2677 summary_info += {'Linux keyring':     config_host.has_key('CONFIG_SECRET_KEYRING')}
2678 summary(summary_info, bool_yn: true, section: 'Crypto')
2679
2680 # Libraries
2681 summary_info = {}
2682 if targetos == 'darwin'
2683   summary_info += {'Cocoa support':   cocoa.found()}
2684 endif
2685 # TODO: add back version
2686 summary_info += {'SDL support':       sdl.found()}
2687 summary_info += {'SDL image support': sdl_image.found()}
2688 # TODO: add back version
2689 summary_info += {'GTK support':       gtk.found()}
2690 summary_info += {'pixman':            pixman.found()}
2691 # TODO: add back version
2692 summary_info += {'VTE support':       config_host.has_key('CONFIG_VTE')}
2693 # TODO: add back version
2694 summary_info += {'slirp support':     slirp_opt == 'disabled' ? false : slirp_opt}
2695 summary_info += {'libtasn1':          config_host.has_key('CONFIG_TASN1')}
2696 summary_info += {'PAM':               config_host.has_key('CONFIG_AUTH_PAM')}
2697 summary_info += {'iconv support':     iconv.found()}
2698 summary_info += {'curses support':    curses.found()}
2699 # TODO: add back version
2700 summary_info += {'virgl support':     config_host.has_key('CONFIG_VIRGL')}
2701 summary_info += {'curl support':      curl.found()}
2702 summary_info += {'Multipath support': mpathpersist.found()}
2703 summary_info += {'VNC support':       vnc.found()}
2704 if vnc.found()
2705   summary_info += {'VNC SASL support':  sasl.found()}
2706   summary_info += {'VNC JPEG support':  jpeg.found()}
2707   summary_info += {'VNC PNG support':   png.found()}
2708 endif
2709 summary_info += {'brlapi support':    brlapi.found()}
2710 summary_info += {'vde support':       config_host.has_key('CONFIG_VDE')}
2711 summary_info += {'netmap support':    config_host.has_key('CONFIG_NETMAP')}
2712 summary_info += {'Linux AIO support': config_host.has_key('CONFIG_LINUX_AIO')}
2713 summary_info += {'Linux io_uring support': config_host.has_key('CONFIG_LINUX_IO_URING')}
2714 summary_info += {'ATTR/XATTR support': libattr.found()}
2715 summary_info += {'RDMA support':      config_host.has_key('CONFIG_RDMA')}
2716 summary_info += {'PVRDMA support':    config_host.has_key('CONFIG_PVRDMA')}
2717 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
2718 summary_info += {'libcap-ng support': libcap_ng.found()}
2719 summary_info += {'bpf support': libbpf.found()}
2720 # TODO: add back protocol and server version
2721 summary_info += {'spice support':     config_host.has_key('CONFIG_SPICE')}
2722 summary_info += {'rbd support':       rbd.found()}
2723 summary_info += {'xfsctl support':    config_host.has_key('CONFIG_XFS')}
2724 summary_info += {'smartcard support': config_host.has_key('CONFIG_SMARTCARD')}
2725 summary_info += {'U2F support':       u2f.found()}
2726 summary_info += {'libusb':            config_host.has_key('CONFIG_USB_LIBUSB')}
2727 summary_info += {'usb net redir':     config_host.has_key('CONFIG_USB_REDIR')}
2728 summary_info += {'OpenGL support':    config_host.has_key('CONFIG_OPENGL')}
2729 summary_info += {'GBM':               config_host.has_key('CONFIG_GBM')}
2730 summary_info += {'libiscsi support':  libiscsi.found()}
2731 summary_info += {'libnfs support':    libnfs.found()}
2732 if targetos == 'windows'
2733   if config_host.has_key('CONFIG_GUEST_AGENT')
2734     summary_info += {'QGA VSS support':   config_host.has_key('CONFIG_QGA_VSS')}
2735     summary_info += {'QGA w32 disk info': config_host.has_key('CONFIG_QGA_NTDDSCSI')}
2736   endif
2737 endif
2738 summary_info += {'seccomp support':   seccomp.found()}
2739 summary_info += {'GlusterFS support': glusterfs.found()}
2740 summary_info += {'TPM support':       config_host.has_key('CONFIG_TPM')}
2741 summary_info += {'libssh support':    config_host.has_key('CONFIG_LIBSSH')}
2742 summary_info += {'lzo support':       lzo.found()}
2743 summary_info += {'snappy support':    snappy.found()}
2744 summary_info += {'bzip2 support':     libbzip2.found()}
2745 summary_info += {'lzfse support':     liblzfse.found()}
2746 summary_info += {'zstd support':      zstd.found()}
2747 summary_info += {'NUMA host support': config_host.has_key('CONFIG_NUMA')}
2748 summary_info += {'libxml2':           config_host.has_key('CONFIG_LIBXML2')}
2749 summary_info += {'capstone':          capstone_opt == 'disabled' ? false : capstone_opt}
2750 summary_info += {'libpmem support':   config_host.has_key('CONFIG_LIBPMEM')}
2751 summary_info += {'libdaxctl support': config_host.has_key('CONFIG_LIBDAXCTL')}
2752 summary_info += {'libudev':           libudev.found()}
2753 summary_info += {'FUSE lseek':        fuse_lseek.found()}
2754 summary(summary_info, bool_yn: true, section: 'Dependencies')
2755
2756 if not supported_cpus.contains(cpu)
2757   message()
2758   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
2759   message()
2760   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
2761   message('The QEMU project intends to remove support for this host CPU in')
2762   message('a future release if nobody volunteers to maintain it and to')
2763   message('provide a build host for our continuous integration setup.')
2764   message('configure has succeeded and you can continue to build, but')
2765   message('if you care about QEMU on this platform you should contact')
2766   message('us upstream at qemu-devel@nongnu.org.')
2767 endif
2768
2769 if not supported_oses.contains(targetos)
2770   message()
2771   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
2772   message()
2773   message('Host OS ' + targetos + 'support is not currently maintained.')
2774   message('The QEMU project intends to remove support for this host OS in')
2775   message('a future release if nobody volunteers to maintain it and to')
2776   message('provide a build host for our continuous integration setup.')
2777   message('configure has succeeded and you can continue to build, but')
2778   message('if you care about QEMU on this platform you should contact')
2779   message('us upstream at qemu-devel@nongnu.org.')
2780 endif