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