hmp: introduce cmd_available
[qemu.git] / meson.build
blob9ea05ab49fab7dec6804d5a5d74d708f61701320
1 project('qemu', ['c'], meson_version: '>=0.55.0',
2         default_options: ['warning_level=1', 'c_std=gnu99', '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())
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')
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
21 # Temporary directory used for files created while
22 # configure runs. Since it is in the build directory
23 # we can safely blow away any previous version of it
24 # (and we need not jump through hoops to try to delete
25 # it when configure exits.)
26 tmpdir = meson.current_build_dir() / 'meson-private/temp'
28 if get_option('qemu_suffix').startswith('/')
29   error('qemu_suffix cannot start with a /')
30 endif
32 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
33 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
34 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
35 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
37 qemu_desktopdir = get_option('datadir') / 'applications'
38 qemu_icondir = get_option('datadir') / 'icons'
40 config_host_data = configuration_data()
41 genh = []
43 target_dirs = config_host['TARGET_DIRS'].split()
44 have_user = false
45 have_system = false
46 foreach target : target_dirs
47   have_user = have_user or target.endswith('-user')
48   have_system = have_system or target.endswith('-softmmu')
49 endforeach
50 have_tools = 'CONFIG_TOOLS' in config_host
51 have_block = have_system or have_tools
53 python = import('python').find_installation()
55 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
56 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv32', 'riscv64', 'x86', 'x86_64',
57   'arm', 'aarch64', 'mips', 'mips64', 'sparc', 'sparc64']
59 cpu = host_machine.cpu_family()
60 targetos = host_machine.system()
62 if cpu in ['x86', 'x86_64']
63   kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
64 elif cpu == 'aarch64'
65   kvm_targets = ['aarch64-softmmu']
66 elif cpu == 's390x'
67   kvm_targets = ['s390x-softmmu']
68 elif cpu in ['ppc', 'ppc64']
69   kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
70 elif cpu in ['mips', 'mips64']
71   kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
72 else
73   kvm_targets = []
74 endif
76 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
77 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
78   # i368 emulator provides xenpv machine type for multiple architectures
79   accelerator_targets += {
80     'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
81   }
82 endif
83 if cpu in ['x86', 'x86_64']
84   accelerator_targets += {
85     'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
86     'CONFIG_HVF': ['x86_64-softmmu'],
87     'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
88   }
89 endif
91 ##################
92 # Compiler flags #
93 ##################
95 # Specify linker-script with add_project_link_arguments so that it is not placed
96 # within a linker --start-group/--end-group pair
97 if 'CONFIG_FUZZ' in config_host
98    add_project_link_arguments(['-Wl,-T,',
99                                (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
100                               native: false, language: ['c', 'cpp', 'objc'])
101 endif
103 add_project_arguments(config_host['QEMU_CFLAGS'].split(),
104                       native: false, language: ['c', 'objc'])
105 add_project_arguments(config_host['QEMU_CXXFLAGS'].split(),
106                       native: false, language: 'cpp')
107 add_project_link_arguments(config_host['QEMU_LDFLAGS'].split(),
108                            native: false, language: ['c', 'cpp', 'objc'])
110 if targetos == 'linux'
111   add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
112                         '-isystem', 'linux-headers',
113                         language: ['c', 'cpp'])
114 endif
116 if 'CONFIG_TCG_INTERPRETER' in config_host
117   tcg_arch = 'tci'
118 elif config_host['ARCH'] == 'sparc64'
119   tcg_arch = 'sparc'
120 elif config_host['ARCH'] == 's390x'
121   tcg_arch = 's390'
122 elif config_host['ARCH'] in ['x86_64', 'x32']
123   tcg_arch = 'i386'
124 elif config_host['ARCH'] == 'ppc64'
125   tcg_arch = 'ppc'
126 elif config_host['ARCH'] in ['riscv32', 'riscv64']
127   tcg_arch = 'riscv'
128 else
129   tcg_arch = config_host['ARCH']
130 endif
131 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
132                       '-iquote', '.',
133                       '-iquote', meson.current_source_dir(),
134                       '-iquote', meson.current_source_dir() / 'accel/tcg',
135                       '-iquote', meson.current_source_dir() / 'include',
136                       '-iquote', meson.current_source_dir() / 'disas/libvixl',
137                       language: ['c', 'cpp', 'objc'])
139 link_language = meson.get_external_property('link_language', 'cpp')
140 if link_language == 'cpp'
141   add_languages('cpp', required: true, native: false)
142 endif
143 if host_machine.system() == 'darwin'
144   add_languages('objc', required: false, native: false)
145 endif
147 sparse = find_program('cgcc', required: get_option('sparse'))
148 if sparse.found()
149   run_target('sparse',
150              command: [find_program('scripts/check_sparse.py'),
151                        'compile_commands.json', sparse.full_path(), '-Wbitwise',
152                        '-Wno-transparent-union', '-Wno-old-initializer',
153                        '-Wno-non-pointer-null'])
154 endif
156 ###########################################
157 # Target-specific checks and dependencies #
158 ###########################################
160 if targetos != 'linux' and get_option('mpath').enabled()
161   error('Multipath is supported only on Linux')
162 endif
164 m = cc.find_library('m', required: false)
165 util = cc.find_library('util', required: false)
166 winmm = []
167 socket = []
168 version_res = []
169 coref = []
170 iokit = []
171 emulator_link_args = []
172 cocoa = not_found
173 hvf = not_found
174 if targetos == 'windows'
175   socket = cc.find_library('ws2_32')
176   winmm = cc.find_library('winmm')
178   win = import('windows')
179   version_res = win.compile_resources('version.rc',
180                                       depend_files: files('pc-bios/qemu-nsis.ico'),
181                                       include_directories: include_directories('.'))
182 elif targetos == 'darwin'
183   coref = dependency('appleframeworks', modules: 'CoreFoundation')
184   iokit = dependency('appleframeworks', modules: 'IOKit')
185   cocoa = dependency('appleframeworks', modules: 'Cocoa', required: get_option('cocoa'))
186 elif targetos == 'sunos'
187   socket = [cc.find_library('socket'),
188             cc.find_library('nsl'),
189             cc.find_library('resolv')]
190 elif targetos == 'haiku'
191   socket = [cc.find_library('posix_error_mapper'),
192             cc.find_library('network'),
193             cc.find_library('bsd')]
194 elif targetos == 'openbsd'
195   if not get_option('tcg').disabled() and target_dirs.length() > 0
196     # Disable OpenBSD W^X if available
197     emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
198   endif
199 endif
201 accelerators = []
202 if not get_option('kvm').disabled() and targetos == 'linux'
203   accelerators += 'CONFIG_KVM'
204 endif
205 if not get_option('xen').disabled() and 'CONFIG_XEN_BACKEND' in config_host
206   accelerators += 'CONFIG_XEN'
207   have_xen_pci_passthrough = not get_option('xen_pci_passthrough').disabled() and targetos == 'linux'
208 else
209   have_xen_pci_passthrough = false
210 endif
211 if not get_option('whpx').disabled() and targetos == 'windows'
212   if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
213     error('WHPX requires 64-bit host')
214   elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
215        cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
216     accelerators += 'CONFIG_WHPX'
217   endif
218 endif
219 if not get_option('hvf').disabled()
220   hvf = dependency('appleframeworks', modules: 'Hypervisor',
221                    required: get_option('hvf'))
222   if hvf.found()
223     accelerators += 'CONFIG_HVF'
224   endif
225 endif
226 if not get_option('hax').disabled()
227   if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
228     accelerators += 'CONFIG_HAX'
229   endif
230 endif
231 if not get_option('tcg').disabled()
232   if cpu not in supported_cpus
233     if 'CONFIG_TCG_INTERPRETER' in config_host
234       warning('Unsupported CPU @0@, will use TCG with TCI (experimental)'.format(cpu))
235     else
236       error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
237     endif
238   endif
239   accelerators += 'CONFIG_TCG'
240   config_host += { 'CONFIG_TCG': 'y' }
241 endif
243 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
244   error('KVM not available on this platform')
245 endif
246 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
247   error('HVF not available on this platform')
248 endif
249 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
250   error('WHPX not available on this platform')
251 endif
252 if not have_xen_pci_passthrough and get_option('xen_pci_passthrough').enabled()
253   if 'CONFIG_XEN' in accelerators
254     error('Xen PCI passthrough not available on this platform')
255   else
256     error('Xen PCI passthrough requested but Xen not enabled')
257   endif
258 endif
259 if not cocoa.found() and get_option('cocoa').enabled()
260   error('Cocoa not available on this platform')
261 endif
263 ################
264 # Dependencies #
265 ################
267 # The path to glib.h is added to all compilation commands.  This was
268 # grandfathered in from the QEMU Makefiles.
269 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
270                       native: false, language: ['c', 'cpp', 'objc'])
271 glib = declare_dependency(link_args: config_host['GLIB_LIBS'].split())
272 gio = not_found
273 if 'CONFIG_GIO' in config_host
274   gio = declare_dependency(compile_args: config_host['GIO_CFLAGS'].split(),
275                            link_args: config_host['GIO_LIBS'].split())
276 endif
277 lttng = not_found
278 if 'CONFIG_TRACE_UST' in config_host
279   lttng = declare_dependency(link_args: config_host['LTTNG_UST_LIBS'].split())
280 endif
281 urcubp = not_found
282 if 'CONFIG_TRACE_UST' in config_host
283   urcubp = declare_dependency(link_args: config_host['URCU_BP_LIBS'].split())
284 endif
285 gcrypt = not_found
286 if 'CONFIG_GCRYPT' in config_host
287   gcrypt = declare_dependency(compile_args: config_host['GCRYPT_CFLAGS'].split(),
288                               link_args: config_host['GCRYPT_LIBS'].split())
289 endif
290 nettle = not_found
291 if 'CONFIG_NETTLE' in config_host
292   nettle = declare_dependency(compile_args: config_host['NETTLE_CFLAGS'].split(),
293                               link_args: config_host['NETTLE_LIBS'].split())
294 endif
295 gnutls = not_found
296 if 'CONFIG_GNUTLS' in config_host
297   gnutls = declare_dependency(compile_args: config_host['GNUTLS_CFLAGS'].split(),
298                               link_args: config_host['GNUTLS_LIBS'].split())
299 endif
300 pixman = not_found
301 if have_system or have_tools
302   pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
303                       method: 'pkg-config', static: enable_static)
304 endif
305 pam = not_found
306 if 'CONFIG_AUTH_PAM' in config_host
307   pam = cc.find_library('pam')
308 endif
309 libaio = cc.find_library('aio', required: false)
310 zlib = dependency('zlib', required: true, static: enable_static)
311 linux_io_uring = not_found
312 if 'CONFIG_LINUX_IO_URING' in config_host
313   linux_io_uring = declare_dependency(compile_args: config_host['LINUX_IO_URING_CFLAGS'].split(),
314                                       link_args: config_host['LINUX_IO_URING_LIBS'].split())
315 endif
316 libxml2 = not_found
317 if 'CONFIG_LIBXML2' in config_host
318   libxml2 = declare_dependency(compile_args: config_host['LIBXML2_CFLAGS'].split(),
319                                link_args: config_host['LIBXML2_LIBS'].split())
320 endif
321 libnfs = not_found
322 if 'CONFIG_LIBNFS' in config_host
323   libnfs = declare_dependency(link_args: config_host['LIBNFS_LIBS'].split())
324 endif
325 libattr = not_found
326 if 'CONFIG_ATTR' in config_host
327   libattr = declare_dependency(link_args: config_host['LIBATTR_LIBS'].split())
328 endif
329 seccomp = not_found
330 if 'CONFIG_SECCOMP' in config_host
331   seccomp = declare_dependency(compile_args: config_host['SECCOMP_CFLAGS'].split(),
332                                link_args: config_host['SECCOMP_LIBS'].split())
333 endif
334 libcap_ng = not_found
335 if 'CONFIG_LIBCAP_NG' in config_host
336   libcap_ng = declare_dependency(link_args: config_host['LIBCAP_NG_LIBS'].split())
337 endif
338 if get_option('xkbcommon').auto() and not have_system and not have_tools
339   xkbcommon = not_found
340 else
341   xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
342                          method: 'pkg-config', static: enable_static)
343 endif
344 vde = not_found
345 if config_host.has_key('CONFIG_VDE')
346   vde = declare_dependency(link_args: config_host['VDE_LIBS'].split())
347 endif
348 pulse = not_found
349 if 'CONFIG_LIBPULSE' in config_host
350   pulse = declare_dependency(compile_args: config_host['PULSE_CFLAGS'].split(),
351                              link_args: config_host['PULSE_LIBS'].split())
352 endif
353 alsa = not_found
354 if 'CONFIG_ALSA' in config_host
355   alsa = declare_dependency(compile_args: config_host['ALSA_CFLAGS'].split(),
356                             link_args: config_host['ALSA_LIBS'].split())
357 endif
358 jack = not_found
359 if 'CONFIG_LIBJACK' in config_host
360   jack = declare_dependency(link_args: config_host['JACK_LIBS'].split())
361 endif
362 spice = not_found
363 spice_headers = not_found
364 if 'CONFIG_SPICE' in config_host
365   spice = declare_dependency(compile_args: config_host['SPICE_CFLAGS'].split(),
366                              link_args: config_host['SPICE_LIBS'].split())
367   spice_headers = declare_dependency(compile_args: config_host['SPICE_CFLAGS'].split())
368 endif
369 rt = cc.find_library('rt', required: false)
370 libdl = not_found
371 if 'CONFIG_PLUGIN' in config_host
372   libdl = cc.find_library('dl', required: true)
373 endif
374 libiscsi = not_found
375 if 'CONFIG_LIBISCSI' in config_host
376   libiscsi = declare_dependency(compile_args: config_host['LIBISCSI_CFLAGS'].split(),
377                                 link_args: config_host['LIBISCSI_LIBS'].split())
378 endif
379 zstd = not_found
380 if 'CONFIG_ZSTD' in config_host
381   zstd = declare_dependency(compile_args: config_host['ZSTD_CFLAGS'].split(),
382                             link_args: config_host['ZSTD_LIBS'].split())
383 endif
384 gbm = not_found
385 if 'CONFIG_GBM' in config_host
386   gbm = declare_dependency(compile_args: config_host['GBM_CFLAGS'].split(),
387                            link_args: config_host['GBM_LIBS'].split())
388 endif
389 virgl = not_found
390 if 'CONFIG_VIRGL' in config_host
391   virgl = declare_dependency(compile_args: config_host['VIRGL_CFLAGS'].split(),
392                              link_args: config_host['VIRGL_LIBS'].split())
393 endif
394 curl = not_found
395 if 'CONFIG_CURL' in config_host
396   curl = declare_dependency(compile_args: config_host['CURL_CFLAGS'].split(),
397                             link_args: config_host['CURL_LIBS'].split())
398 endif
399 libudev = not_found
400 if targetos == 'linux' and (have_system or have_tools)
401   libudev = dependency('libudev',
402                        required: get_option('libudev'),
403                        static: enable_static)
404 endif
406 mpathlibs = [libudev]
407 mpathpersist = not_found
408 mpathpersist_new_api = false
409 if targetos == 'linux' and have_tools and not get_option('mpath').disabled()
410   mpath_test_source_new = '''
411     #include <libudev.h>
412     #include <mpath_persist.h>
413     unsigned mpath_mx_alloc_len = 1024;
414     int logsink;
415     static struct config *multipath_conf;
416     extern struct udev *udev;
417     extern struct config *get_multipath_config(void);
418     extern void put_multipath_config(struct config *conf);
419     struct udev *udev;
420     struct config *get_multipath_config(void) { return multipath_conf; }
421     void put_multipath_config(struct config *conf) { }
422     int main(void) {
423         udev = udev_new();
424         multipath_conf = mpath_lib_init();
425         return 0;
426     }'''
427   mpath_test_source_old = '''
428       #include <libudev.h>
429       #include <mpath_persist.h>
430       unsigned mpath_mx_alloc_len = 1024;
431       int logsink;
432       int main(void) {
433           struct udev *udev = udev_new();
434           mpath_lib_init(udev);
435           return 0;
436       }'''
437   libmpathpersist = cc.find_library('mpathpersist',
438                                     required: get_option('mpath'),
439                                     static: enable_static)
440   if libmpathpersist.found()
441     mpathlibs += libmpathpersist
442     if enable_static
443       mpathlibs += cc.find_library('devmapper',
444                                      required: get_option('mpath'),
445                                      static: enable_static)
446     endif
447     mpathlibs += cc.find_library('multipath',
448                                  required: get_option('mpath'),
449                                  static: enable_static)
450     foreach lib: mpathlibs
451       if not lib.found()
452         mpathlibs = []
453         break
454       endif
455     endforeach
456     if mpathlibs.length() == 0
457       msg = 'Dependencies missing for libmpathpersist'
458     elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
459       mpathpersist = declare_dependency(dependencies: mpathlibs)
460       mpathpersist_new_api = true
461     elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
462       mpathpersist = declare_dependency(dependencies: mpathlibs)
463     else
464       msg = 'Cannot detect libmpathpersist API'
465     endif
466     if not mpathpersist.found()
467       if get_option('mpath').enabled()
468         error(msg)
469       else
470         warning(msg + ', disabling')
471       endif
472     endif
473   endif
474 endif
476 iconv = not_found
477 curses = not_found
478 if have_system and not get_option('curses').disabled()
479   curses_test = '''
480     #include <locale.h>
481     #include <curses.h>
482     #include <wchar.h>
483     int main(void) {
484       wchar_t wch = L'w';
485       setlocale(LC_ALL, "");
486       resize_term(0, 0);
487       addwstr(L"wide chars\n");
488       addnwstr(&wch, 1);
489       add_wch(WACS_DEGREE);
490       return 0;
491     }'''
493   curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
494   foreach curses_dep : curses_dep_list
495     if not curses.found()
496       curses = dependency(curses_dep,
497                           required: false,
498                           method: 'pkg-config',
499                           static: enable_static)
500     endif
501   endforeach
502   msg = get_option('curses').enabled() ? 'curses library not found' : ''
503   if curses.found()
504     if cc.links(curses_test, dependencies: [curses])
505       curses = declare_dependency(compile_args: '-DNCURSES_WIDECHAR', dependencies: [curses])
506     else
507       msg = 'curses package not usable'
508       curses = not_found
509     endif
510   endif
511   if not curses.found()
512     curses_compile_args = ['-DNCURSES_WIDECHAR']
513     has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
514     if targetos != 'windows' and not has_curses_h
515       message('Trying with /usr/include/ncursesw')
516       curses_compile_args += ['-I/usr/include/ncursesw']
517       has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
518     endif
519     if has_curses_h
520       curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
521       foreach curses_libname : curses_libname_list
522         libcurses = cc.find_library(curses_libname,
523                                     required: false,
524                                     static: enable_static)
525         if libcurses.found()
526           if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
527             curses = declare_dependency(compile_args: curses_compile_args,
528                                         dependencies: [libcurses])
529             break
530           else
531             msg = 'curses library not usable'
532           endif
533         endif
534       endforeach
535     endif
536   endif
537   if not get_option('iconv').disabled()
538     foreach link_args : [ ['-liconv'], [] ]
539       # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
540       # We need to use libiconv if available because mixing libiconv's headers with
541       # the system libc does not work.
542       # However, without adding glib to the dependencies -L/usr/local/lib will not be
543       # included in the command line and libiconv will not be found.
544       if cc.links('''
545         #include <iconv.h>
546         int main(void) {
547           iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
548           return conv != (iconv_t) -1;
549         }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
550         iconv = declare_dependency(link_args: link_args, dependencies: glib)
551         break
552       endif
553     endforeach
554   endif
555   if curses.found() and not iconv.found()
556     if get_option('iconv').enabled()
557       error('iconv not available')
558     endif
559     msg = 'iconv required for curses UI but not available'
560     curses = not_found
561   endif
562   if not curses.found() and msg != ''
563     if get_option('curses').enabled()
564       error(msg)
565     else
566       warning(msg + ', disabling')
567     endif
568   endif
569 endif
571 brlapi = not_found
572 if 'CONFIG_BRLAPI' in config_host
573   brlapi = declare_dependency(link_args: config_host['BRLAPI_LIBS'].split())
574 endif
576 sdl = not_found
577 if have_system
578   sdl = dependency('sdl2', required: get_option('sdl'), static: enable_static)
579   sdl_image = not_found
580 endif
581 if sdl.found()
582   # work around 2.0.8 bug
583   sdl = declare_dependency(compile_args: '-Wno-undef',
584                            dependencies: sdl)
585   sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
586                          method: 'pkg-config', static: enable_static)
587 else
588   if get_option('sdl_image').enabled()
589     error('sdl-image required, but SDL was @0@'.format(
590           get_option('sdl').disabled() ? 'disabled' : 'not found'))
591   endif
592   sdl_image = not_found
593 endif
595 rbd = not_found
596 if 'CONFIG_RBD' in config_host
597   rbd = declare_dependency(link_args: config_host['RBD_LIBS'].split())
598 endif
599 glusterfs = not_found
600 if 'CONFIG_GLUSTERFS' in config_host
601   glusterfs = declare_dependency(compile_args: config_host['GLUSTERFS_CFLAGS'].split(),
602                                  link_args: config_host['GLUSTERFS_LIBS'].split())
603 endif
604 libssh = not_found
605 if 'CONFIG_LIBSSH' in config_host
606   libssh = declare_dependency(compile_args: config_host['LIBSSH_CFLAGS'].split(),
607                               link_args: config_host['LIBSSH_LIBS'].split())
608 endif
609 libbzip2 = not_found
610 if 'CONFIG_BZIP2' in config_host
611   libbzip2 = declare_dependency(link_args: config_host['BZIP2_LIBS'].split())
612 endif
613 liblzfse = not_found
614 if 'CONFIG_LZFSE' in config_host
615   liblzfse = declare_dependency(link_args: config_host['LZFSE_LIBS'].split())
616 endif
617 oss = not_found
618 if 'CONFIG_AUDIO_OSS' in config_host
619   oss = declare_dependency(link_args: config_host['OSS_LIBS'].split())
620 endif
621 dsound = not_found
622 if 'CONFIG_AUDIO_DSOUND' in config_host
623   dsound = declare_dependency(link_args: config_host['DSOUND_LIBS'].split())
624 endif
625 coreaudio = not_found
626 if 'CONFIG_AUDIO_COREAUDIO' in config_host
627   coreaudio = declare_dependency(link_args: config_host['COREAUDIO_LIBS'].split())
628 endif
629 opengl = not_found
630 if 'CONFIG_OPENGL' in config_host
631   opengl = declare_dependency(compile_args: config_host['OPENGL_CFLAGS'].split(),
632                               link_args: config_host['OPENGL_LIBS'].split())
633 endif
634 gtk = not_found
635 if 'CONFIG_GTK' in config_host
636   gtk = declare_dependency(compile_args: config_host['GTK_CFLAGS'].split(),
637                               link_args: config_host['GTK_LIBS'].split())
638 endif
639 vte = not_found
640 if 'CONFIG_VTE' in config_host
641   vte = declare_dependency(compile_args: config_host['VTE_CFLAGS'].split(),
642                            link_args: config_host['VTE_LIBS'].split())
643 endif
644 x11 = not_found
645 if 'CONFIG_X11' in config_host
646   x11 = declare_dependency(compile_args: config_host['X11_CFLAGS'].split(),
647                            link_args: config_host['X11_LIBS'].split())
648 endif
649 vnc = not_found
650 png = not_found
651 jpeg = not_found
652 sasl = not_found
653 if get_option('vnc').enabled()
654   vnc = declare_dependency() # dummy dependency
655   png = dependency('libpng', required: get_option('vnc_png'),
656                    method: 'pkg-config', static: enable_static)
657   jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
658                     method: 'pkg-config', static: enable_static)
659   sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
660                          required: get_option('vnc_sasl'),
661                          static: enable_static)
662   if sasl.found()
663     sasl = declare_dependency(dependencies: sasl,
664                               compile_args: '-DSTRUCT_IOVEC_DEFINED')
665   endif
666 endif
667 snappy = not_found
668 if 'CONFIG_SNAPPY' in config_host
669   snappy = declare_dependency(link_args: config_host['SNAPPY_LIBS'].split())
670 endif
671 lzo = not_found
672 if 'CONFIG_LZO' in config_host
673   lzo = declare_dependency(link_args: config_host['LZO_LIBS'].split())
674 endif
675 rdma = not_found
676 if 'CONFIG_RDMA' in config_host
677   rdma = declare_dependency(link_args: config_host['RDMA_LIBS'].split())
678 endif
679 numa = not_found
680 if 'CONFIG_NUMA' in config_host
681   numa = declare_dependency(link_args: config_host['NUMA_LIBS'].split())
682 endif
683 xen = not_found
684 if 'CONFIG_XEN_BACKEND' in config_host
685   xen = declare_dependency(compile_args: config_host['XEN_CFLAGS'].split(),
686                            link_args: config_host['XEN_LIBS'].split())
687 endif
688 cacard = not_found
689 if 'CONFIG_SMARTCARD' in config_host
690   cacard = declare_dependency(compile_args: config_host['SMARTCARD_CFLAGS'].split(),
691                               link_args: config_host['SMARTCARD_LIBS'].split())
692 endif
693 u2f = not_found
694 if have_system
695   u2f = dependency('u2f-emu', required: get_option('u2f'),
696                    method: 'pkg-config',
697                    static: enable_static)
698 endif
699 usbredir = not_found
700 if 'CONFIG_USB_REDIR' in config_host
701   usbredir = declare_dependency(compile_args: config_host['USB_REDIR_CFLAGS'].split(),
702                                 link_args: config_host['USB_REDIR_LIBS'].split())
703 endif
704 libusb = not_found
705 if 'CONFIG_USB_LIBUSB' in config_host
706   libusb = declare_dependency(compile_args: config_host['LIBUSB_CFLAGS'].split(),
707                               link_args: config_host['LIBUSB_LIBS'].split())
708 endif
709 libpmem = not_found
710 if 'CONFIG_LIBPMEM' in config_host
711   libpmem = declare_dependency(compile_args: config_host['LIBPMEM_CFLAGS'].split(),
712                                link_args: config_host['LIBPMEM_LIBS'].split())
713 endif
714 libdaxctl = not_found
715 if 'CONFIG_LIBDAXCTL' in config_host
716   libdaxctl = declare_dependency(link_args: config_host['LIBDAXCTL_LIBS'].split())
717 endif
718 tasn1 = not_found
719 if 'CONFIG_TASN1' in config_host
720   tasn1 = declare_dependency(compile_args: config_host['TASN1_CFLAGS'].split(),
721                              link_args: config_host['TASN1_LIBS'].split())
722 endif
723 keyutils = dependency('libkeyutils', required: false,
724                       method: 'pkg-config', static: enable_static)
726 has_gettid = cc.has_function('gettid')
728 # Malloc tests
730 malloc = []
731 if get_option('malloc') == 'system'
732   has_malloc_trim = \
733     not get_option('malloc_trim').disabled() and \
734     cc.links('''#include <malloc.h>
735                 int main(void) { malloc_trim(0); return 0; }''')
736 else
737   has_malloc_trim = false
738   malloc = cc.find_library(get_option('malloc'), required: true)
739 endif
740 if not has_malloc_trim and get_option('malloc_trim').enabled()
741   if get_option('malloc') == 'system'
742     error('malloc_trim not available on this platform.')
743   else
744     error('malloc_trim not available with non-libc memory allocator')
745   endif
746 endif
748 # Check whether the glibc provides statx()
750 statx_test = '''
751   #ifndef _GNU_SOURCE
752   #define _GNU_SOURCE
753   #endif
754   #include <sys/stat.h>
755   int main(void) {
756     struct statx statxbuf;
757     statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
758     return 0;
759   }'''
761 has_statx = cc.links(statx_test)
763 have_vhost_user_blk_server = (targetos == 'linux' and
764     'CONFIG_VHOST_USER' in config_host)
766 if get_option('vhost_user_blk_server').enabled()
767     if targetos != 'linux'
768         error('vhost_user_blk_server requires linux')
769     elif 'CONFIG_VHOST_USER' not in config_host
770         error('vhost_user_blk_server requires vhost-user support')
771     endif
772 elif get_option('vhost_user_blk_server').disabled() or not have_system
773     have_vhost_user_blk_server = false
774 endif
776 #################
777 # config-host.h #
778 #################
780 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
781 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
782 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
783 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
784 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
785 config_host_data.set_quoted('CONFIG_QEMU_FIRMWAREPATH', get_option('qemu_firmwarepath'))
786 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
787 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
788 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
789 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
790 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
791 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
793 config_host_data.set('CONFIG_COCOA', cocoa.found())
794 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
795 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
796 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
797 config_host_data.set('CONFIG_CURSES', curses.found())
798 config_host_data.set('CONFIG_SDL', sdl.found())
799 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
800 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
801 config_host_data.set('CONFIG_VNC', vnc.found())
802 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
803 config_host_data.set('CONFIG_VNC_PNG', png.found())
804 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
805 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
806 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
807 config_host_data.set('CONFIG_GETTID', has_gettid)
808 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
809 config_host_data.set('CONFIG_STATX', has_statx)
810 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
811 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
812 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
813 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
815 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
817 ignored = ['CONFIG_QEMU_INTERP_PREFIX'] # actually per-target
818 arrays = ['CONFIG_AUDIO_DRIVERS', 'CONFIG_BDRV_RW_WHITELIST', 'CONFIG_BDRV_RO_WHITELIST']
819 strings = ['HOST_DSOSUF', 'CONFIG_IASL']
820 foreach k, v: config_host
821   if ignored.contains(k)
822     # do nothing
823   elif arrays.contains(k)
824     if v != ''
825       v = '"' + '", "'.join(v.split()) + '", '
826     endif
827     config_host_data.set(k, v)
828   elif k == 'ARCH'
829     config_host_data.set('HOST_' + v.to_upper(), 1)
830   elif strings.contains(k)
831     if not k.startswith('CONFIG_')
832       k = 'CONFIG_' + k.to_upper()
833     endif
834     config_host_data.set_quoted(k, v)
835   elif k.startswith('CONFIG_') or k.startswith('HAVE_') or k.startswith('HOST_')
836     config_host_data.set(k, v == 'y' ? 1 : v)
837   endif
838 endforeach
840 ########################
841 # Target configuration #
842 ########################
844 minikconf = find_program('scripts/minikconf.py')
845 config_all = {}
846 config_all_devices = {}
847 config_all_disas = {}
848 config_devices_mak_list = []
849 config_devices_h = {}
850 config_target_h = {}
851 config_target_mak = {}
853 disassemblers = {
854   'alpha' : ['CONFIG_ALPHA_DIS'],
855   'arm' : ['CONFIG_ARM_DIS'],
856   'avr' : ['CONFIG_AVR_DIS'],
857   'cris' : ['CONFIG_CRIS_DIS'],
858   'hppa' : ['CONFIG_HPPA_DIS'],
859   'i386' : ['CONFIG_I386_DIS'],
860   'x86_64' : ['CONFIG_I386_DIS'],
861   'x32' : ['CONFIG_I386_DIS'],
862   'lm32' : ['CONFIG_LM32_DIS'],
863   'm68k' : ['CONFIG_M68K_DIS'],
864   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
865   'mips' : ['CONFIG_MIPS_DIS'],
866   'moxie' : ['CONFIG_MOXIE_DIS'],
867   'nios2' : ['CONFIG_NIOS2_DIS'],
868   'or1k' : ['CONFIG_OPENRISC_DIS'],
869   'ppc' : ['CONFIG_PPC_DIS'],
870   'riscv' : ['CONFIG_RISCV_DIS'],
871   'rx' : ['CONFIG_RX_DIS'],
872   's390' : ['CONFIG_S390_DIS'],
873   'sh4' : ['CONFIG_SH4_DIS'],
874   'sparc' : ['CONFIG_SPARC_DIS'],
875   'xtensa' : ['CONFIG_XTENSA_DIS'],
877 if link_language == 'cpp'
878   disassemblers += {
879     'aarch64' : [ 'CONFIG_ARM_A64_DIS'],
880     'arm' : [ 'CONFIG_ARM_DIS', 'CONFIG_ARM_A64_DIS'],
881     'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
882   }
883 endif
885 kconfig_external_symbols = [
886   'CONFIG_KVM',
887   'CONFIG_XEN',
888   'CONFIG_TPM',
889   'CONFIG_SPICE',
890   'CONFIG_IVSHMEM',
891   'CONFIG_OPENGL',
892   'CONFIG_X11',
893   'CONFIG_VHOST_USER',
894   'CONFIG_VHOST_VDPA',
895   'CONFIG_VHOST_KERNEL',
896   'CONFIG_VIRTFS',
897   'CONFIG_LINUX',
898   'CONFIG_PVRDMA',
900 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
902 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
903 actual_target_dirs = []
904 fdt_required = []
905 foreach target : target_dirs
906   config_target = { 'TARGET_NAME': target.split('-')[0] }
907   if target.endswith('linux-user')
908     if targetos != 'linux'
909       if default_targets
910         continue
911       endif
912       error('Target @0@ is only available on a Linux host'.format(target))
913     endif
914     config_target += { 'CONFIG_LINUX_USER': 'y' }
915   elif target.endswith('bsd-user')
916     if 'CONFIG_BSD' not in config_host
917       if default_targets
918         continue
919       endif
920       error('Target @0@ is only available on a BSD host'.format(target))
921     endif
922     config_target += { 'CONFIG_BSD_USER': 'y' }
923   elif target.endswith('softmmu')
924     config_target += { 'CONFIG_SOFTMMU': 'y' }
925   endif
926   if target.endswith('-user')
927     config_target += {
928       'CONFIG_USER_ONLY': 'y',
929       'CONFIG_QEMU_INTERP_PREFIX':
930         config_host['CONFIG_QEMU_INTERP_PREFIX'].format(config_target['TARGET_NAME'])
931     }
932   endif
934   have_accel = false
935   foreach sym: accelerators
936     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
937       config_target += { sym: 'y' }
938       config_all += { sym: 'y' }
939       if sym == 'CONFIG_XEN' and have_xen_pci_passthrough
940         config_target += { 'CONFIG_XEN_PCI_PASSTHROUGH': 'y' }
941       endif
942       have_accel = true
943     endif
944   endforeach
945   if not have_accel
946     if default_targets
947       continue
948     endif
949     error('No accelerator available for target @0@'.format(target))
950   endif
952   actual_target_dirs += target
953   config_target += keyval.load('default-configs/targets' / target + '.mak')
954   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
956   if 'TARGET_NEED_FDT' in config_target
957     fdt_required += target
958   endif
960   # Add default keys
961   if 'TARGET_BASE_ARCH' not in config_target
962     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
963   endif
964   if 'TARGET_ABI_DIR' not in config_target
965     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
966   endif
968   foreach k, v: disassemblers
969     if config_host['ARCH'].startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
970       foreach sym: v
971         config_target += { sym: 'y' }
972         config_all_disas += { sym: 'y' }
973       endforeach
974     endif
975   endforeach
977   config_target_data = configuration_data()
978   foreach k, v: config_target
979     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
980       # do nothing
981     elif ignored.contains(k)
982       # do nothing
983     elif k == 'TARGET_BASE_ARCH'
984       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
985       # not used to select files from sourcesets.
986       config_target_data.set('TARGET_' + v.to_upper(), 1)
987     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
988       config_target_data.set_quoted(k, v)
989     elif v == 'y'
990       config_target_data.set(k, 1)
991     else
992       config_target_data.set(k, v)
993     endif
994   endforeach
995   config_target_h += {target: configure_file(output: target + '-config-target.h',
996                                                configuration: config_target_data)}
998   if target.endswith('-softmmu')
999     base_kconfig = []
1000     foreach sym : kconfig_external_symbols
1001       if sym in config_target or sym in config_host
1002         base_kconfig += '@0@=y'.format(sym)
1003       endif
1004     endforeach
1006     config_devices_mak = target + '-config-devices.mak'
1007     config_devices_mak = configure_file(
1008       input: ['default-configs/devices' / target + '.mak', 'Kconfig'],
1009       output: config_devices_mak,
1010       depfile: config_devices_mak + '.d',
1011       capture: true,
1012       command: [minikconf, config_host['CONFIG_MINIKCONF_MODE'],
1013                 config_devices_mak, '@DEPFILE@', '@INPUT@',
1014                 base_kconfig])
1016     config_devices_data = configuration_data()
1017     config_devices = keyval.load(config_devices_mak)
1018     foreach k, v: config_devices
1019       config_devices_data.set(k, 1)
1020     endforeach
1021     config_devices_mak_list += config_devices_mak
1022     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
1023                                                 configuration: config_devices_data)}
1024     config_target += config_devices
1025     config_all_devices += config_devices
1026   endif
1027   config_target_mak += {target: config_target}
1028 endforeach
1029 target_dirs = actual_target_dirs
1031 # This configuration is used to build files that are shared by
1032 # multiple binaries, and then extracted out of the "common"
1033 # static_library target.
1035 # We do not use all_sources()/all_dependencies(), because it would
1036 # build literally all source files, including devices only used by
1037 # targets that are not built for this compilation.  The CONFIG_ALL
1038 # pseudo symbol replaces it.
1040 config_all += config_all_devices
1041 config_all += config_host
1042 config_all += config_all_disas
1043 config_all += {
1044   'CONFIG_XEN': config_host.has_key('CONFIG_XEN_BACKEND'),
1045   'CONFIG_SOFTMMU': have_system,
1046   'CONFIG_USER_ONLY': have_user,
1047   'CONFIG_ALL': true,
1050 ##############
1051 # Submodules #
1052 ##############
1054 capstone = not_found
1055 capstone_opt = get_option('capstone')
1056 if capstone_opt in ['enabled', 'auto', 'system']
1057   have_internal = fs.exists(meson.current_source_dir() / 'capstone/Makefile')
1058   capstone = dependency('capstone', version: '>=4.0',
1059                         static: enable_static, method: 'pkg-config',
1060                         required: capstone_opt == 'system' or
1061                                   capstone_opt == 'enabled' and not have_internal)
1062   if capstone.found()
1063     capstone_opt = 'system'
1064   elif have_internal
1065     capstone_opt = 'internal'
1066   else
1067     capstone_opt = 'disabled'
1068   endif
1069 endif
1070 if capstone_opt == 'internal'
1071   capstone_data = configuration_data()
1072   capstone_data.set('CAPSTONE_USE_SYS_DYN_MEM', '1')
1074   capstone_files = files(
1075     'capstone/cs.c',
1076     'capstone/MCInst.c',
1077     'capstone/MCInstrDesc.c',
1078     'capstone/MCRegisterInfo.c',
1079     'capstone/SStream.c',
1080     'capstone/utils.c'
1081   )
1083   if 'CONFIG_ARM_DIS' in config_all_disas
1084     capstone_data.set('CAPSTONE_HAS_ARM', '1')
1085     capstone_files += files(
1086       'capstone/arch/ARM/ARMDisassembler.c',
1087       'capstone/arch/ARM/ARMInstPrinter.c',
1088       'capstone/arch/ARM/ARMMapping.c',
1089       'capstone/arch/ARM/ARMModule.c'
1090     )
1091   endif
1093   # FIXME: This config entry currently depends on a c++ compiler.
1094   # Which is needed for building libvixl, but not for capstone.
1095   if 'CONFIG_ARM_A64_DIS' in config_all_disas
1096     capstone_data.set('CAPSTONE_HAS_ARM64', '1')
1097     capstone_files += files(
1098       'capstone/arch/AArch64/AArch64BaseInfo.c',
1099       'capstone/arch/AArch64/AArch64Disassembler.c',
1100       'capstone/arch/AArch64/AArch64InstPrinter.c',
1101       'capstone/arch/AArch64/AArch64Mapping.c',
1102       'capstone/arch/AArch64/AArch64Module.c'
1103     )
1104   endif
1106   if 'CONFIG_PPC_DIS' in config_all_disas
1107     capstone_data.set('CAPSTONE_HAS_POWERPC', '1')
1108     capstone_files += files(
1109       'capstone/arch/PowerPC/PPCDisassembler.c',
1110       'capstone/arch/PowerPC/PPCInstPrinter.c',
1111       'capstone/arch/PowerPC/PPCMapping.c',
1112       'capstone/arch/PowerPC/PPCModule.c'
1113     )
1114   endif
1116   if 'CONFIG_S390_DIS' in config_all_disas
1117     capstone_data.set('CAPSTONE_HAS_SYSZ', '1')
1118     capstone_files += files(
1119       'capstone/arch/SystemZ/SystemZDisassembler.c',
1120       'capstone/arch/SystemZ/SystemZInstPrinter.c',
1121       'capstone/arch/SystemZ/SystemZMapping.c',
1122       'capstone/arch/SystemZ/SystemZModule.c',
1123       'capstone/arch/SystemZ/SystemZMCTargetDesc.c'
1124     )
1125   endif
1127   if 'CONFIG_I386_DIS' in config_all_disas
1128     capstone_data.set('CAPSTONE_HAS_X86', 1)
1129     capstone_files += files(
1130       'capstone/arch/X86/X86Disassembler.c',
1131       'capstone/arch/X86/X86DisassemblerDecoder.c',
1132       'capstone/arch/X86/X86ATTInstPrinter.c',
1133       'capstone/arch/X86/X86IntelInstPrinter.c',
1134       'capstone/arch/X86/X86InstPrinterCommon.c',
1135       'capstone/arch/X86/X86Mapping.c',
1136       'capstone/arch/X86/X86Module.c'
1137     )
1138   endif
1140   configure_file(output: 'capstone-defs.h', configuration: capstone_data)
1142   capstone_cargs = [
1143     # FIXME: There does not seem to be a way to completely replace the c_args
1144     # that come from add_project_arguments() -- we can only add to them.
1145     # So: disable all warnings with a big hammer.
1146     '-Wno-error', '-w',
1148     # Include all configuration defines via a header file, which will wind up
1149     # as a dependency on the object file, and thus changes here will result
1150     # in a rebuild.
1151     '-include', 'capstone-defs.h'
1152   ]
1154   libcapstone = static_library('capstone',
1155                                sources: capstone_files,
1156                                c_args: capstone_cargs,
1157                                include_directories: 'capstone/include')
1158   capstone = declare_dependency(link_with: libcapstone,
1159                                 include_directories: 'capstone/include/capstone')
1160 endif
1162 slirp = not_found
1163 slirp_opt = 'disabled'
1164 if have_system
1165   slirp_opt = get_option('slirp')
1166   if slirp_opt in ['enabled', 'auto', 'system']
1167     have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
1168     slirp = dependency('slirp', static: enable_static,
1169                        method: 'pkg-config',
1170                        required: slirp_opt == 'system' or
1171                                  slirp_opt == 'enabled' and not have_internal)
1172     if slirp.found()
1173       slirp_opt = 'system'
1174     elif have_internal
1175       slirp_opt = 'internal'
1176     else
1177       slirp_opt = 'disabled'
1178     endif
1179   endif
1180   if slirp_opt == 'internal'
1181     slirp_deps = []
1182     if targetos == 'windows'
1183       slirp_deps = cc.find_library('iphlpapi')
1184     endif
1185     slirp_conf = configuration_data()
1186     slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
1187     slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
1188     slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
1189     slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
1190     slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
1191     slirp_files = [
1192       'slirp/src/arp_table.c',
1193       'slirp/src/bootp.c',
1194       'slirp/src/cksum.c',
1195       'slirp/src/dhcpv6.c',
1196       'slirp/src/dnssearch.c',
1197       'slirp/src/if.c',
1198       'slirp/src/ip6_icmp.c',
1199       'slirp/src/ip6_input.c',
1200       'slirp/src/ip6_output.c',
1201       'slirp/src/ip_icmp.c',
1202       'slirp/src/ip_input.c',
1203       'slirp/src/ip_output.c',
1204       'slirp/src/mbuf.c',
1205       'slirp/src/misc.c',
1206       'slirp/src/ncsi.c',
1207       'slirp/src/ndp_table.c',
1208       'slirp/src/sbuf.c',
1209       'slirp/src/slirp.c',
1210       'slirp/src/socket.c',
1211       'slirp/src/state.c',
1212       'slirp/src/stream.c',
1213       'slirp/src/tcp_input.c',
1214       'slirp/src/tcp_output.c',
1215       'slirp/src/tcp_subr.c',
1216       'slirp/src/tcp_timer.c',
1217       'slirp/src/tftp.c',
1218       'slirp/src/udp.c',
1219       'slirp/src/udp6.c',
1220       'slirp/src/util.c',
1221       'slirp/src/version.c',
1222       'slirp/src/vmstate.c',
1223     ]
1225     configure_file(
1226       input : 'slirp/src/libslirp-version.h.in',
1227       output : 'libslirp-version.h',
1228       configuration: slirp_conf)
1230     slirp_inc = include_directories('slirp', 'slirp/src')
1231     libslirp = static_library('slirp',
1232                               sources: slirp_files,
1233                               c_args: slirp_cargs,
1234                               include_directories: slirp_inc)
1235     slirp = declare_dependency(link_with: libslirp,
1236                                dependencies: slirp_deps,
1237                                include_directories: slirp_inc)
1238   endif
1239 endif
1241 fdt = not_found
1242 fdt_opt = get_option('fdt')
1243 if have_system
1244   if fdt_opt in ['enabled', 'auto', 'system']
1245     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
1246     fdt = cc.find_library('fdt', static: enable_static,
1247                           required: fdt_opt == 'system' or
1248                                     fdt_opt == 'enabled' and not have_internal)
1249     if fdt.found() and cc.links('''
1250        #include <libfdt.h>
1251        #include <libfdt_env.h>
1252        int main(void) { fdt_check_full(NULL, 0); return 0; }''',
1253          dependencies: fdt)
1254       fdt_opt = 'system'
1255     elif have_internal
1256       fdt_opt = 'internal'
1257     else
1258       fdt_opt = 'disabled'
1259     endif
1260   endif
1261   if fdt_opt == 'internal'
1262     fdt_files = files(
1263       'dtc/libfdt/fdt.c',
1264       'dtc/libfdt/fdt_ro.c',
1265       'dtc/libfdt/fdt_wip.c',
1266       'dtc/libfdt/fdt_sw.c',
1267       'dtc/libfdt/fdt_rw.c',
1268       'dtc/libfdt/fdt_strerror.c',
1269       'dtc/libfdt/fdt_empty_tree.c',
1270       'dtc/libfdt/fdt_addresses.c',
1271       'dtc/libfdt/fdt_overlay.c',
1272       'dtc/libfdt/fdt_check.c',
1273     )
1275     fdt_inc = include_directories('dtc/libfdt')
1276     libfdt = static_library('fdt',
1277                             sources: fdt_files,
1278                             include_directories: fdt_inc)
1279     fdt = declare_dependency(link_with: libfdt,
1280                              include_directories: fdt_inc)
1281   endif
1282 endif
1283 if not fdt.found() and fdt_required.length() > 0
1284   error('fdt not available but required by targets ' + ', '.join(fdt_required))
1285 endif
1287 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
1288 config_host_data.set('CONFIG_FDT', fdt.found())
1289 config_host_data.set('CONFIG_SLIRP', slirp.found())
1291 #####################
1292 # Generated sources #
1293 #####################
1295 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
1297 hxtool = find_program('scripts/hxtool')
1298 shaderinclude = find_program('scripts/shaderinclude.pl')
1299 qapi_gen = find_program('scripts/qapi-gen.py')
1300 qapi_gen_depends = [ meson.source_root() / 'scripts/qapi/__init__.py',
1301                      meson.source_root() / 'scripts/qapi/commands.py',
1302                      meson.source_root() / 'scripts/qapi/common.py',
1303                      meson.source_root() / 'scripts/qapi/error.py',
1304                      meson.source_root() / 'scripts/qapi/events.py',
1305                      meson.source_root() / 'scripts/qapi/expr.py',
1306                      meson.source_root() / 'scripts/qapi/gen.py',
1307                      meson.source_root() / 'scripts/qapi/introspect.py',
1308                      meson.source_root() / 'scripts/qapi/parser.py',
1309                      meson.source_root() / 'scripts/qapi/schema.py',
1310                      meson.source_root() / 'scripts/qapi/source.py',
1311                      meson.source_root() / 'scripts/qapi/types.py',
1312                      meson.source_root() / 'scripts/qapi/visit.py',
1313                      meson.source_root() / 'scripts/qapi/common.py',
1314                      meson.source_root() / 'scripts/qapi-gen.py'
1317 tracetool = [
1318   python, files('scripts/tracetool.py'),
1319    '--backend=' + config_host['TRACE_BACKENDS']
1322 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
1323                     meson.current_source_dir(),
1324                     config_host['PKGVERSION'], meson.project_version()]
1325 qemu_version = custom_target('qemu-version.h',
1326                              output: 'qemu-version.h',
1327                              command: qemu_version_cmd,
1328                              capture: true,
1329                              build_by_default: true,
1330                              build_always_stale: true)
1331 genh += qemu_version
1333 hxdep = []
1334 hx_headers = [
1335   ['qemu-options.hx', 'qemu-options.def'],
1336   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
1338 if have_system
1339   hx_headers += [
1340     ['hmp-commands.hx', 'hmp-commands.h'],
1341     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
1342   ]
1343 endif
1344 foreach d : hx_headers
1345   hxdep += custom_target(d[1],
1346                 input: files(d[0]),
1347                 output: d[1],
1348                 capture: true,
1349                 build_by_default: true, # to be removed when added to a target
1350                 command: [hxtool, '-h', '@INPUT0@'])
1351 endforeach
1352 genh += hxdep
1354 ###################
1355 # Collect sources #
1356 ###################
1358 authz_ss = ss.source_set()
1359 blockdev_ss = ss.source_set()
1360 block_ss = ss.source_set()
1361 bsd_user_ss = ss.source_set()
1362 chardev_ss = ss.source_set()
1363 common_ss = ss.source_set()
1364 crypto_ss = ss.source_set()
1365 io_ss = ss.source_set()
1366 linux_user_ss = ss.source_set()
1367 qmp_ss = ss.source_set()
1368 qom_ss = ss.source_set()
1369 softmmu_ss = ss.source_set()
1370 specific_fuzz_ss = ss.source_set()
1371 specific_ss = ss.source_set()
1372 stub_ss = ss.source_set()
1373 trace_ss = ss.source_set()
1374 user_ss = ss.source_set()
1375 util_ss = ss.source_set()
1377 modules = {}
1378 hw_arch = {}
1379 target_arch = {}
1380 target_softmmu_arch = {}
1382 ###############
1383 # Trace files #
1384 ###############
1386 # TODO: add each directory to the subdirs from its own meson.build, once
1387 # we have those
1388 trace_events_subdirs = [
1389   'accel/kvm',
1390   'accel/tcg',
1391   'crypto',
1392   'monitor',
1394 if have_user
1395   trace_events_subdirs += [ 'linux-user' ]
1396 endif
1397 if have_block
1398   trace_events_subdirs += [
1399     'authz',
1400     'block',
1401     'io',
1402     'nbd',
1403     'scsi',
1404   ]
1405 endif
1406 if have_system
1407   trace_events_subdirs += [
1408     'audio',
1409     'backends',
1410     'backends/tpm',
1411     'chardev',
1412     'hw/9pfs',
1413     'hw/acpi',
1414     'hw/alpha',
1415     'hw/arm',
1416     'hw/audio',
1417     'hw/block',
1418     'hw/block/dataplane',
1419     'hw/char',
1420     'hw/display',
1421     'hw/dma',
1422     'hw/hppa',
1423     'hw/hyperv',
1424     'hw/i2c',
1425     'hw/i386',
1426     'hw/i386/xen',
1427     'hw/ide',
1428     'hw/input',
1429     'hw/intc',
1430     'hw/isa',
1431     'hw/mem',
1432     'hw/mips',
1433     'hw/misc',
1434     'hw/misc/macio',
1435     'hw/net',
1436     'hw/net/can',
1437     'hw/nvram',
1438     'hw/pci',
1439     'hw/pci-host',
1440     'hw/ppc',
1441     'hw/rdma',
1442     'hw/rdma/vmw',
1443     'hw/rtc',
1444     'hw/s390x',
1445     'hw/scsi',
1446     'hw/sd',
1447     'hw/sparc',
1448     'hw/sparc64',
1449     'hw/ssi',
1450     'hw/timer',
1451     'hw/tpm',
1452     'hw/usb',
1453     'hw/vfio',
1454     'hw/virtio',
1455     'hw/watchdog',
1456     'hw/xen',
1457     'hw/gpio',
1458     'migration',
1459     'net',
1460     'softmmu',
1461     'ui',
1462   ]
1463 endif
1464 trace_events_subdirs += [
1465   'hw/core',
1466   'qapi',
1467   'qom',
1468   'target/arm',
1469   'target/hppa',
1470   'target/i386',
1471   'target/mips',
1472   'target/ppc',
1473   'target/riscv',
1474   'target/s390x',
1475   'target/sparc',
1476   'util',
1479 vhost_user = not_found
1480 if 'CONFIG_VHOST_USER' in config_host
1481   libvhost_user = subproject('libvhost-user')
1482   vhost_user = libvhost_user.get_variable('vhost_user_dep')
1483 endif
1485 subdir('qapi')
1486 subdir('qobject')
1487 subdir('stubs')
1488 subdir('trace')
1489 subdir('util')
1490 subdir('qom')
1491 subdir('authz')
1492 subdir('crypto')
1493 subdir('ui')
1496 if enable_modules
1497   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
1498   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
1499 endif
1501 stub_ss = stub_ss.apply(config_all, strict: false)
1503 util_ss.add_all(trace_ss)
1504 util_ss = util_ss.apply(config_all, strict: false)
1505 libqemuutil = static_library('qemuutil',
1506                              sources: util_ss.sources() + stub_ss.sources() + genh,
1507                              dependencies: [util_ss.dependencies(), m, glib, socket, malloc])
1508 qemuutil = declare_dependency(link_with: libqemuutil,
1509                               sources: genh + version_res)
1511 decodetree = generator(find_program('scripts/decodetree.py'),
1512                        output: 'decode-@BASENAME@.c.inc',
1513                        arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
1515 subdir('audio')
1516 subdir('io')
1517 subdir('chardev')
1518 subdir('fsdev')
1519 subdir('libdecnumber')
1520 subdir('target')
1521 subdir('dump')
1523 block_ss.add(files(
1524   'block.c',
1525   'blockjob.c',
1526   'job.c',
1527   'qemu-io-cmds.c',
1529 block_ss.add(when: 'CONFIG_REPLICATION', if_true: files('replication.c'))
1531 subdir('nbd')
1532 subdir('scsi')
1533 subdir('block')
1535 blockdev_ss.add(files(
1536   'blockdev.c',
1537   'blockdev-nbd.c',
1538   'iothread.c',
1539   'job-qmp.c',
1542 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
1543 # os-win32.c does not
1544 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
1545 softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
1547 common_ss.add(files('cpus-common.c'))
1549 subdir('softmmu')
1551 common_ss.add(capstone)
1552 specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
1553 specific_ss.add(files('exec-vary.c'))
1554 specific_ss.add(when: 'CONFIG_TCG', if_true: files(
1555   'fpu/softfloat.c',
1556   'tcg/optimize.c',
1557   'tcg/tcg-common.c',
1558   'tcg/tcg-op-gvec.c',
1559   'tcg/tcg-op-vec.c',
1560   'tcg/tcg-op.c',
1561   'tcg/tcg.c',
1563 specific_ss.add(when: 'CONFIG_TCG_INTERPRETER', if_true: files('disas/tci.c', 'tcg/tci.c'))
1565 subdir('backends')
1566 subdir('disas')
1567 subdir('migration')
1568 subdir('monitor')
1569 subdir('net')
1570 subdir('replay')
1571 subdir('hw')
1572 subdir('accel')
1573 subdir('plugins')
1574 subdir('bsd-user')
1575 subdir('linux-user')
1577 bsd_user_ss.add(files('gdbstub.c'))
1578 specific_ss.add_all(when: 'CONFIG_BSD_USER', if_true: bsd_user_ss)
1580 linux_user_ss.add(files('gdbstub.c', 'thunk.c'))
1581 specific_ss.add_all(when: 'CONFIG_LINUX_USER', if_true: linux_user_ss)
1583 # needed for fuzzing binaries
1584 subdir('tests/qtest/libqos')
1585 subdir('tests/qtest/fuzz')
1587 ########################
1588 # Library dependencies #
1589 ########################
1591 block_mods = []
1592 softmmu_mods = []
1593 foreach d, list : modules
1594   foreach m, module_ss : list
1595     if enable_modules and targetos != 'windows'
1596       module_ss = module_ss.apply(config_all, strict: false)
1597       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
1598                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
1599       if d == 'block'
1600         block_mods += sl
1601       else
1602         softmmu_mods += sl
1603       endif
1604     else
1605       if d == 'block'
1606         block_ss.add_all(module_ss)
1607       else
1608         softmmu_ss.add_all(module_ss)
1609       endif
1610     endif
1611   endforeach
1612 endforeach
1614 nm = find_program('nm')
1615 undefsym = find_program('scripts/undefsym.py')
1616 block_syms = custom_target('block.syms', output: 'block.syms',
1617                              input: [libqemuutil, block_mods],
1618                              capture: true,
1619                              command: [undefsym, nm, '@INPUT@'])
1620 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
1621                              input: [libqemuutil, softmmu_mods],
1622                              capture: true,
1623                              command: [undefsym, nm, '@INPUT@'])
1625 qom_ss = qom_ss.apply(config_host, strict: false)
1626 libqom = static_library('qom', qom_ss.sources() + genh,
1627                         dependencies: [qom_ss.dependencies()],
1628                         name_suffix: 'fa')
1630 qom = declare_dependency(link_whole: libqom)
1632 authz_ss = authz_ss.apply(config_host, strict: false)
1633 libauthz = static_library('authz', authz_ss.sources() + genh,
1634                           dependencies: [authz_ss.dependencies()],
1635                           name_suffix: 'fa',
1636                           build_by_default: false)
1638 authz = declare_dependency(link_whole: libauthz,
1639                            dependencies: qom)
1641 crypto_ss = crypto_ss.apply(config_host, strict: false)
1642 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
1643                            dependencies: [crypto_ss.dependencies()],
1644                            name_suffix: 'fa',
1645                            build_by_default: false)
1647 crypto = declare_dependency(link_whole: libcrypto,
1648                             dependencies: [authz, qom])
1650 io_ss = io_ss.apply(config_host, strict: false)
1651 libio = static_library('io', io_ss.sources() + genh,
1652                        dependencies: [io_ss.dependencies()],
1653                        link_with: libqemuutil,
1654                        name_suffix: 'fa',
1655                        build_by_default: false)
1657 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
1659 libmigration = static_library('migration', sources: migration_files + genh,
1660                               name_suffix: 'fa',
1661                               build_by_default: false)
1662 migration = declare_dependency(link_with: libmigration,
1663                                dependencies: [zlib, qom, io])
1664 softmmu_ss.add(migration)
1666 block_ss = block_ss.apply(config_host, strict: false)
1667 libblock = static_library('block', block_ss.sources() + genh,
1668                           dependencies: block_ss.dependencies(),
1669                           link_depends: block_syms,
1670                           name_suffix: 'fa',
1671                           build_by_default: false)
1673 block = declare_dependency(link_whole: [libblock],
1674                            link_args: '@block.syms',
1675                            dependencies: [crypto, io])
1677 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
1678 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
1679                              dependencies: blockdev_ss.dependencies(),
1680                              name_suffix: 'fa',
1681                              build_by_default: false)
1683 blockdev = declare_dependency(link_whole: [libblockdev],
1684                               dependencies: [block])
1686 qmp_ss = qmp_ss.apply(config_host, strict: false)
1687 libqmp = static_library('qmp', qmp_ss.sources() + genh,
1688                         dependencies: qmp_ss.dependencies(),
1689                         name_suffix: 'fa',
1690                         build_by_default: false)
1692 qmp = declare_dependency(link_whole: [libqmp])
1694 libchardev = static_library('chardev', chardev_ss.sources() + genh,
1695                             name_suffix: 'fa',
1696                             build_by_default: false)
1698 chardev = declare_dependency(link_whole: libchardev)
1700 libhwcore = static_library('hwcore', sources: hwcore_files + genh,
1701                            name_suffix: 'fa',
1702                            build_by_default: false)
1703 hwcore = declare_dependency(link_whole: libhwcore)
1704 common_ss.add(hwcore)
1706 ###########
1707 # Targets #
1708 ###########
1710 foreach m : block_mods + softmmu_mods
1711   shared_module(m.name(),
1712                 name_prefix: '',
1713                 link_whole: m,
1714                 install: true,
1715                 install_dir: qemu_moddir)
1716 endforeach
1718 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
1719 common_ss.add(qom, qemuutil)
1721 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
1722 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
1724 common_all = common_ss.apply(config_all, strict: false)
1725 common_all = static_library('common',
1726                             build_by_default: false,
1727                             sources: common_all.sources() + genh,
1728                             dependencies: common_all.dependencies(),
1729                             name_suffix: 'fa')
1731 feature_to_c = find_program('scripts/feature_to_c.sh')
1733 emulators = {}
1734 foreach target : target_dirs
1735   config_target = config_target_mak[target]
1736   target_name = config_target['TARGET_NAME']
1737   arch = config_target['TARGET_BASE_ARCH']
1738   arch_srcs = [config_target_h[target]]
1739   arch_deps = []
1740   c_args = ['-DNEED_CPU_H',
1741             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
1742             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
1743   link_args = emulator_link_args
1745   config_target += config_host
1746   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
1747   if targetos == 'linux'
1748     target_inc += include_directories('linux-headers', is_system: true)
1749   endif
1750   if target.endswith('-softmmu')
1751     qemu_target_name = 'qemu-system-' + target_name
1752     target_type='system'
1753     t = target_softmmu_arch[arch].apply(config_target, strict: false)
1754     arch_srcs += t.sources()
1755     arch_deps += t.dependencies()
1757     hw_dir = target_name == 'sparc64' ? 'sparc64' : arch
1758     hw = hw_arch[hw_dir].apply(config_target, strict: false)
1759     arch_srcs += hw.sources()
1760     arch_deps += hw.dependencies()
1762     arch_srcs += config_devices_h[target]
1763     link_args += ['@block.syms', '@qemu.syms']
1764   else
1765     abi = config_target['TARGET_ABI_DIR']
1766     target_type='user'
1767     qemu_target_name = 'qemu-' + target_name
1768     if 'CONFIG_LINUX_USER' in config_target
1769       base_dir = 'linux-user'
1770       target_inc += include_directories('linux-user/host/' / config_host['ARCH'])
1771     else
1772       base_dir = 'bsd-user'
1773     endif
1774     target_inc += include_directories(
1775       base_dir,
1776       base_dir / abi,
1777     )
1778     if 'CONFIG_LINUX_USER' in config_target
1779       dir = base_dir / abi
1780       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
1781       if config_target.has_key('TARGET_SYSTBL_ABI')
1782         arch_srcs += \
1783           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
1784                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
1785       endif
1786     endif
1787   endif
1789   if 'TARGET_XML_FILES' in config_target
1790     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
1791                                 output: target + '-gdbstub-xml.c',
1792                                 input: files(config_target['TARGET_XML_FILES'].split()),
1793                                 command: [feature_to_c, '@INPUT@'],
1794                                 capture: true)
1795     arch_srcs += gdbstub_xml
1796   endif
1798   t = target_arch[arch].apply(config_target, strict: false)
1799   arch_srcs += t.sources()
1800   arch_deps += t.dependencies()
1802   target_common = common_ss.apply(config_target, strict: false)
1803   objects = common_all.extract_objects(target_common.sources())
1804   deps = target_common.dependencies()
1806   target_specific = specific_ss.apply(config_target, strict: false)
1807   arch_srcs += target_specific.sources()
1808   arch_deps += target_specific.dependencies()
1810   lib = static_library('qemu-' + target,
1811                  sources: arch_srcs + genh,
1812                  dependencies: arch_deps,
1813                  objects: objects,
1814                  include_directories: target_inc,
1815                  c_args: c_args,
1816                  build_by_default: false,
1817                  name_suffix: 'fa')
1819   if target.endswith('-softmmu')
1820     execs = [{
1821       'name': 'qemu-system-' + target_name,
1822       'gui': false,
1823       'sources': files('softmmu/main.c'),
1824       'dependencies': []
1825     }]
1826     if targetos == 'windows' and (sdl.found() or gtk.found())
1827       execs += [{
1828         'name': 'qemu-system-' + target_name + 'w',
1829         'gui': true,
1830         'sources': files('softmmu/main.c'),
1831         'dependencies': []
1832       }]
1833     endif
1834     if config_host.has_key('CONFIG_FUZZ')
1835       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
1836       execs += [{
1837         'name': 'qemu-fuzz-' + target_name,
1838         'gui': false,
1839         'sources': specific_fuzz.sources(),
1840         'dependencies': specific_fuzz.dependencies(),
1841       }]
1842     endif
1843   else
1844     execs = [{
1845       'name': 'qemu-' + target_name,
1846       'gui': false,
1847       'sources': [],
1848       'dependencies': []
1849     }]
1850   endif
1851   foreach exe: execs
1852     emulators += {exe['name']:
1853          executable(exe['name'], exe['sources'],
1854                install: true,
1855                c_args: c_args,
1856                dependencies: arch_deps + deps + exe['dependencies'],
1857                objects: lib.extract_all_objects(recursive: true),
1858                link_language: link_language,
1859                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
1860                link_args: link_args,
1861                gui_app: exe['gui'])
1862     }
1864     if 'CONFIG_TRACE_SYSTEMTAP' in config_host
1865       foreach stp: [
1866         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
1867         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
1868         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
1869         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
1870       ]
1871         custom_target(exe['name'] + stp['ext'],
1872                       input: trace_events_all,
1873                       output: exe['name'] + stp['ext'],
1874                       capture: true,
1875                       install: stp['install'],
1876                       install_dir: get_option('datadir') / 'systemtap/tapset',
1877                       command: [
1878                         tracetool, '--group=all', '--format=' + stp['fmt'],
1879                         '--binary=' + stp['bin'],
1880                         '--target-name=' + target_name,
1881                         '--target-type=' + target_type,
1882                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
1883                         '@INPUT@',
1884                       ])
1885       endforeach
1886     endif
1887   endforeach
1888 endforeach
1890 # Other build targets
1892 if 'CONFIG_PLUGIN' in config_host
1893   install_headers('include/qemu/qemu-plugin.h')
1894 endif
1896 if 'CONFIG_GUEST_AGENT' in config_host
1897   subdir('qga')
1898 endif
1900 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
1901 # when we don't build tools or system
1902 if xkbcommon.found()
1903   # used for the update-keymaps target, so include rules even if !have_tools
1904   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
1905                            dependencies: [qemuutil, xkbcommon], install: have_tools)
1906 endif
1908 if have_tools
1909   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
1910              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
1911   qemu_io = executable('qemu-io', files('qemu-io.c'),
1912              dependencies: [block, qemuutil], install: true)
1913   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
1914                dependencies: [blockdev, qemuutil], install: true)
1916   subdir('storage-daemon')
1917   subdir('contrib/rdmacm-mux')
1918   subdir('contrib/elf2dmp')
1920   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
1921              dependencies: qemuutil,
1922              install: true)
1924   if 'CONFIG_VHOST_USER' in config_host
1925     subdir('contrib/vhost-user-blk')
1926     subdir('contrib/vhost-user-gpu')
1927     subdir('contrib/vhost-user-input')
1928     subdir('contrib/vhost-user-scsi')
1929   endif
1931   if targetos == 'linux'
1932     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
1933                dependencies: [qemuutil, libcap_ng],
1934                install: true,
1935                install_dir: get_option('libexecdir'))
1937     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
1938                dependencies: [authz, crypto, io, qom, qemuutil,
1939                               libcap_ng, mpathpersist],
1940                install: true)
1941   endif
1943   if 'CONFIG_IVSHMEM' in config_host
1944     subdir('contrib/ivshmem-client')
1945     subdir('contrib/ivshmem-server')
1946   endif
1947 endif
1949 subdir('scripts')
1950 subdir('tools')
1951 subdir('pc-bios')
1952 subdir('docs')
1953 subdir('tests')
1954 if 'CONFIG_GTK' in config_host
1955   subdir('po')
1956 endif
1958 if host_machine.system() == 'windows'
1959   nsis_cmd = [
1960     find_program('scripts/nsis.py'),
1961     '@OUTPUT@',
1962     get_option('prefix'),
1963     meson.current_source_dir(),
1964     host_machine.cpu(),
1965     '--',
1966     '-DDISPLAYVERSION=' + meson.project_version(),
1967   ]
1968   if build_docs
1969     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
1970   endif
1971   if 'CONFIG_GTK' in config_host
1972     nsis_cmd += '-DCONFIG_GTK=y'
1973   endif
1975   nsis = custom_target('nsis',
1976                        output: 'qemu-setup-' + meson.project_version() + '.exe',
1977                        input: files('qemu.nsi'),
1978                        build_always_stale: true,
1979                        command: nsis_cmd + ['@INPUT@'])
1980   alias_target('installer', nsis)
1981 endif
1983 #########################
1984 # Configuration summary #
1985 #########################
1987 summary_info = {}
1988 summary_info += {'Install prefix':    get_option('prefix')}
1989 summary_info += {'BIOS directory':    qemu_datadir}
1990 summary_info += {'firmware path':     get_option('qemu_firmwarepath')}
1991 summary_info += {'binary directory':  get_option('bindir')}
1992 summary_info += {'library directory': get_option('libdir')}
1993 summary_info += {'module directory':  qemu_moddir}
1994 summary_info += {'libexec directory': get_option('libexecdir')}
1995 summary_info += {'include directory': get_option('includedir')}
1996 summary_info += {'config directory':  get_option('sysconfdir')}
1997 if targetos != 'windows'
1998   summary_info += {'local state directory': get_option('localstatedir')}
1999   summary_info += {'Manual directory':      get_option('mandir')}
2000 else
2001   summary_info += {'local state directory': 'queried at runtime'}
2002 endif
2003 summary_info += {'Doc directory':     get_option('docdir')}
2004 summary_info += {'Build directory':   meson.current_build_dir()}
2005 summary_info += {'Source path':       meson.current_source_dir()}
2006 summary_info += {'GIT binary':        config_host['GIT']}
2007 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
2008 summary_info += {'C compiler':        meson.get_compiler('c').cmd_array()[0]}
2009 summary_info += {'Host C compiler':   meson.get_compiler('c', native: true).cmd_array()[0]}
2010 if link_language == 'cpp'
2011   summary_info += {'C++ compiler':      meson.get_compiler('cpp').cmd_array()[0]}
2012 else
2013   summary_info += {'C++ compiler':      false}
2014 endif
2015 if targetos == 'darwin'
2016   summary_info += {'Objective-C compiler': meson.get_compiler('objc').cmd_array()[0]}
2017 endif
2018 summary_info += {'ARFLAGS':           config_host['ARFLAGS']}
2019 summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
2020                                                + ['-O' + get_option('optimization')]
2021                                                + (get_option('debug') ? ['-g'] : []))}
2022 if link_language == 'cpp'
2023   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
2024                                                + ['-O' + get_option('optimization')]
2025                                                + (get_option('debug') ? ['-g'] : []))}
2026 endif
2027 link_args = get_option(link_language + '_link_args')
2028 if link_args.length() > 0
2029   summary_info += {'LDFLAGS':         ' '.join(link_args)}
2030 endif
2031 summary_info += {'QEMU_CFLAGS':       config_host['QEMU_CFLAGS']}
2032 summary_info += {'QEMU_LDFLAGS':      config_host['QEMU_LDFLAGS']}
2033 summary_info += {'make':              config_host['MAKE']}
2034 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
2035 summary_info += {'sphinx-build':      sphinx_build.found()}
2036 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
2037 # TODO: add back version
2038 summary_info += {'slirp support':     slirp_opt == 'disabled' ? false : slirp_opt}
2039 if slirp_opt != 'disabled'
2040   summary_info += {'smbd':            config_host['CONFIG_SMBD_COMMAND']}
2041 endif
2042 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
2043 if config_host.has_key('CONFIG_MODULES')
2044   summary_info += {'alternative module path': config_host.has_key('CONFIG_MODULE_UPGRADES')}
2045 endif
2046 summary_info += {'host CPU':          cpu}
2047 summary_info += {'host endianness':   build_machine.endian()}
2048 summary_info += {'target list':       ' '.join(target_dirs)}
2049 summary_info += {'gprof enabled':     config_host.has_key('CONFIG_GPROF')}
2050 summary_info += {'sparse enabled':    sparse.found()}
2051 summary_info += {'strip binaries':    get_option('strip')}
2052 summary_info += {'profiler':          config_host.has_key('CONFIG_PROFILER')}
2053 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
2054 if targetos == 'darwin'
2055   summary_info += {'Cocoa support': config_host.has_key('CONFIG_COCOA')}
2056 endif
2057 # TODO: add back version
2058 summary_info += {'SDL support':       sdl.found()}
2059 summary_info += {'SDL image support': sdl_image.found()}
2060 # TODO: add back version
2061 summary_info += {'GTK support':       config_host.has_key('CONFIG_GTK')}
2062 summary_info += {'GTK GL support':    config_host.has_key('CONFIG_GTK_GL')}
2063 summary_info += {'pixman':            pixman.found()}
2064 # TODO: add back version
2065 summary_info += {'VTE support':       config_host.has_key('CONFIG_VTE')}
2066 summary_info += {'TLS priority':      config_host['CONFIG_TLS_PRIORITY']}
2067 summary_info += {'GNUTLS support':    config_host.has_key('CONFIG_GNUTLS')}
2068 # TODO: add back version
2069 summary_info += {'libgcrypt':         config_host.has_key('CONFIG_GCRYPT')}
2070 if config_host.has_key('CONFIG_GCRYPT')
2071    summary_info += {'  hmac':            config_host.has_key('CONFIG_GCRYPT_HMAC')}
2072    summary_info += {'  XTS':             not config_host.has_key('CONFIG_QEMU_PRIVATE_XTS')}
2073 endif
2074 # TODO: add back version
2075 summary_info += {'nettle':            config_host.has_key('CONFIG_NETTLE')}
2076 if config_host.has_key('CONFIG_NETTLE')
2077    summary_info += {'  XTS':             not config_host.has_key('CONFIG_QEMU_PRIVATE_XTS')}
2078 endif
2079 summary_info += {'libtasn1':          config_host.has_key('CONFIG_TASN1')}
2080 summary_info += {'PAM':               config_host.has_key('CONFIG_AUTH_PAM')}
2081 summary_info += {'iconv support':     iconv.found()}
2082 summary_info += {'curses support':    curses.found()}
2083 # TODO: add back version
2084 summary_info += {'virgl support':     config_host.has_key('CONFIG_VIRGL')}
2085 summary_info += {'curl support':      config_host.has_key('CONFIG_CURL')}
2086 summary_info += {'mingw32 support':   targetos == 'windows'}
2087 summary_info += {'Audio drivers':     config_host['CONFIG_AUDIO_DRIVERS']}
2088 summary_info += {'Block whitelist (rw)': config_host['CONFIG_BDRV_RW_WHITELIST']}
2089 summary_info += {'Block whitelist (ro)': config_host['CONFIG_BDRV_RO_WHITELIST']}
2090 summary_info += {'VirtFS support':    config_host.has_key('CONFIG_VIRTFS')}
2091 summary_info += {'build virtiofs daemon': have_virtiofsd}
2092 summary_info += {'Multipath support': mpathpersist.found()}
2093 summary_info += {'VNC support':       vnc.found()}
2094 if vnc.found()
2095   summary_info += {'VNC SASL support':  sasl.found()}
2096   summary_info += {'VNC JPEG support':  jpeg.found()}
2097   summary_info += {'VNC PNG support':   png.found()}
2098 endif
2099 summary_info += {'xen support':       config_host.has_key('CONFIG_XEN_BACKEND')}
2100 if config_host.has_key('CONFIG_XEN_BACKEND')
2101   summary_info += {'xen ctrl version':  config_host['CONFIG_XEN_CTRL_INTERFACE_VERSION']}
2102 endif
2103 summary_info += {'brlapi support':    config_host.has_key('CONFIG_BRLAPI')}
2104 summary_info += {'Documentation':     build_docs}
2105 summary_info += {'PIE':               get_option('b_pie')}
2106 summary_info += {'vde support':       config_host.has_key('CONFIG_VDE')}
2107 summary_info += {'netmap support':    config_host.has_key('CONFIG_NETMAP')}
2108 summary_info += {'Linux AIO support': config_host.has_key('CONFIG_LINUX_AIO')}
2109 summary_info += {'Linux io_uring support': config_host.has_key('CONFIG_LINUX_IO_URING')}
2110 summary_info += {'ATTR/XATTR support': config_host.has_key('CONFIG_ATTR')}
2111 summary_info += {'Install blobs':     get_option('install_blobs')}
2112 summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
2113 summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
2114 summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
2115 summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
2116 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
2117 if config_all.has_key('CONFIG_TCG')
2118   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
2119   summary_info += {'TCG interpreter':   config_host.has_key('CONFIG_TCG_INTERPRETER')}
2120 endif
2121 summary_info += {'malloc trim support': has_malloc_trim}
2122 summary_info += {'RDMA support':      config_host.has_key('CONFIG_RDMA')}
2123 summary_info += {'PVRDMA support':    config_host.has_key('CONFIG_PVRDMA')}
2124 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
2125 summary_info += {'membarrier':        config_host.has_key('CONFIG_MEMBARRIER')}
2126 summary_info += {'preadv support':    config_host.has_key('CONFIG_PREADV')}
2127 summary_info += {'fdatasync':         config_host.has_key('CONFIG_FDATASYNC')}
2128 summary_info += {'madvise':           config_host.has_key('CONFIG_MADVISE')}
2129 summary_info += {'posix_madvise':     config_host.has_key('CONFIG_POSIX_MADVISE')}
2130 summary_info += {'posix_memalign':    config_host.has_key('CONFIG_POSIX_MEMALIGN')}
2131 summary_info += {'libcap-ng support': config_host.has_key('CONFIG_LIBCAP_NG')}
2132 summary_info += {'vhost-kernel support': config_host.has_key('CONFIG_VHOST_KERNEL')}
2133 summary_info += {'vhost-net support': config_host.has_key('CONFIG_VHOST_NET')}
2134 summary_info += {'vhost-crypto support': config_host.has_key('CONFIG_VHOST_CRYPTO')}
2135 summary_info += {'vhost-scsi support': config_host.has_key('CONFIG_VHOST_SCSI')}
2136 summary_info += {'vhost-vsock support': config_host.has_key('CONFIG_VHOST_VSOCK')}
2137 summary_info += {'vhost-user support': config_host.has_key('CONFIG_VHOST_USER')}
2138 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
2139 summary_info += {'vhost-user-fs support': config_host.has_key('CONFIG_VHOST_USER_FS')}
2140 summary_info += {'vhost-vdpa support': config_host.has_key('CONFIG_VHOST_VDPA')}
2141 summary_info += {'Trace backends':    config_host['TRACE_BACKENDS']}
2142 if config_host['TRACE_BACKENDS'].split().contains('simple')
2143   summary_info += {'Trace output file': config_host['CONFIG_TRACE_FILE'] + '-<pid>'}
2144 endif
2145 # TODO: add back protocol and server version
2146 summary_info += {'spice support':     config_host.has_key('CONFIG_SPICE')}
2147 summary_info += {'rbd support':       config_host.has_key('CONFIG_RBD')}
2148 summary_info += {'xfsctl support':    config_host.has_key('CONFIG_XFS')}
2149 summary_info += {'smartcard support': config_host.has_key('CONFIG_SMARTCARD')}
2150 summary_info += {'U2F support':       u2f.found()}
2151 summary_info += {'libusb':            config_host.has_key('CONFIG_USB_LIBUSB')}
2152 summary_info += {'usb net redir':     config_host.has_key('CONFIG_USB_REDIR')}
2153 summary_info += {'OpenGL support':    config_host.has_key('CONFIG_OPENGL')}
2154 summary_info += {'OpenGL dmabufs':    config_host.has_key('CONFIG_OPENGL_DMABUF')}
2155 summary_info += {'libiscsi support':  config_host.has_key('CONFIG_LIBISCSI')}
2156 summary_info += {'libnfs support':    config_host.has_key('CONFIG_LIBNFS')}
2157 summary_info += {'build guest agent': config_host.has_key('CONFIG_GUEST_AGENT')}
2158 if targetos == 'windows'
2159   if 'WIN_SDK' in config_host
2160     summary_info += {'Windows SDK':       config_host['WIN_SDK']}
2161   endif
2162   summary_info += {'QGA VSS support':   config_host.has_key('CONFIG_QGA_VSS')}
2163   summary_info += {'QGA w32 disk info': config_host.has_key('CONFIG_QGA_NTDDSCSI')}
2164   summary_info += {'QGA MSI support':   config_host.has_key('CONFIG_QGA_MSI')}
2165 endif
2166 summary_info += {'seccomp support':   config_host.has_key('CONFIG_SECCOMP')}
2167 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
2168 summary_info += {'coroutine pool':    config_host['CONFIG_COROUTINE_POOL'] == '1'}
2169 summary_info += {'debug stack usage': config_host.has_key('CONFIG_DEBUG_STACK_USAGE')}
2170 summary_info += {'mutex debugging':   config_host.has_key('CONFIG_DEBUG_MUTEX')}
2171 summary_info += {'crypto afalg':      config_host.has_key('CONFIG_AF_ALG')}
2172 summary_info += {'GlusterFS support': config_host.has_key('CONFIG_GLUSTERFS')}
2173 summary_info += {'gcov':              get_option('b_coverage')}
2174 summary_info += {'TPM support':       config_host.has_key('CONFIG_TPM')}
2175 summary_info += {'libssh support':    config_host.has_key('CONFIG_LIBSSH')}
2176 summary_info += {'QOM debugging':     config_host.has_key('CONFIG_QOM_CAST_DEBUG')}
2177 summary_info += {'Live block migration': config_host.has_key('CONFIG_LIVE_BLOCK_MIGRATION')}
2178 summary_info += {'lzo support':       config_host.has_key('CONFIG_LZO')}
2179 summary_info += {'snappy support':    config_host.has_key('CONFIG_SNAPPY')}
2180 summary_info += {'bzip2 support':     config_host.has_key('CONFIG_BZIP2')}
2181 summary_info += {'lzfse support':     config_host.has_key('CONFIG_LZFSE')}
2182 summary_info += {'zstd support':      config_host.has_key('CONFIG_ZSTD')}
2183 summary_info += {'NUMA host support': config_host.has_key('CONFIG_NUMA')}
2184 summary_info += {'libxml2':           config_host.has_key('CONFIG_LIBXML2')}
2185 summary_info += {'memory allocator':  get_option('malloc')}
2186 summary_info += {'avx2 optimization': config_host.has_key('CONFIG_AVX2_OPT')}
2187 summary_info += {'avx512f optimization': config_host.has_key('CONFIG_AVX512F_OPT')}
2188 summary_info += {'replication support': config_host.has_key('CONFIG_REPLICATION')}
2189 summary_info += {'bochs support':     config_host.has_key('CONFIG_BOCHS')}
2190 summary_info += {'cloop support':     config_host.has_key('CONFIG_CLOOP')}
2191 summary_info += {'dmg support':       config_host.has_key('CONFIG_DMG')}
2192 summary_info += {'qcow v1 support':   config_host.has_key('CONFIG_QCOW1')}
2193 summary_info += {'vdi support':       config_host.has_key('CONFIG_VDI')}
2194 summary_info += {'vvfat support':     config_host.has_key('CONFIG_VVFAT')}
2195 summary_info += {'qed support':       config_host.has_key('CONFIG_QED')}
2196 summary_info += {'parallels support': config_host.has_key('CONFIG_PARALLELS')}
2197 summary_info += {'sheepdog support':  config_host.has_key('CONFIG_SHEEPDOG')}
2198 summary_info += {'capstone':          capstone_opt == 'disabled' ? false : capstone_opt}
2199 summary_info += {'libpmem support':   config_host.has_key('CONFIG_LIBPMEM')}
2200 summary_info += {'libdaxctl support': config_host.has_key('CONFIG_LIBDAXCTL')}
2201 summary_info += {'libudev':           libudev.found()}
2202 summary_info += {'default devices':   config_host['CONFIG_MINIKCONF_MODE'] == '--defconfig'}
2203 summary_info += {'plugin support':    config_host.has_key('CONFIG_PLUGIN')}
2204 summary_info += {'fuzzing support':   config_host.has_key('CONFIG_FUZZ')}
2205 if config_host.has_key('HAVE_GDB_BIN')
2206   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
2207 endif
2208 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
2209 summary_info += {'rng-none':          config_host.has_key('CONFIG_RNG_NONE')}
2210 summary_info += {'Linux keyring':     config_host.has_key('CONFIG_SECRET_KEYRING')}
2211 summary(summary_info, bool_yn: true)
2213 if not supported_cpus.contains(cpu)
2214   message()
2215   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
2216   message()
2217   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
2218   message('The QEMU project intends to remove support for this host CPU in')
2219   message('a future release if nobody volunteers to maintain it and to')
2220   message('provide a build host for our continuous integration setup.')
2221   message('configure has succeeded and you can continue to build, but')
2222   message('if you care about QEMU on this platform you should contact')
2223   message('us upstream at qemu-devel@nongnu.org.')
2224 endif
2226 if not supported_oses.contains(targetos)
2227   message()
2228   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
2229   message()
2230   message('Host OS ' + targetos + 'support is not currently maintained.')
2231   message('The QEMU project intends to remove support for this host OS in')
2232   message('a future release if nobody volunteers to maintain it and to')
2233   message('provide a build host for our continuous integration setup.')
2234   message('configure has succeeded and you can continue to build, but')
2235   message('if you care about QEMU on this platform you should contact')
2236   message('us upstream at qemu-devel@nongnu.org.')
2237 endif