1project('qemu', ['c'], meson_version: '>=0.63.0', 2 default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto', 3 'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'], 4 version: files('VERSION')) 5 6add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true) 7add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow']) 8add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough']) 9 10meson.add_postconf_script(find_program('scripts/symlink-install-tree.py')) 11 12#################### 13# Global variables # 14#################### 15 16not_found = dependency('', required: false) 17keyval = import('keyval') 18ss = import('sourceset') 19fs = import('fs') 20 21host_os = host_machine.system() 22config_host = keyval.load(meson.current_build_dir() / 'config-host.mak') 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.) 29tmpdir = meson.current_build_dir() / 'meson-private/temp' 30 31if get_option('qemu_suffix').startswith('/') 32 error('qemu_suffix cannot start with a /') 33endif 34 35qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix') 36qemu_datadir = get_option('datadir') / get_option('qemu_suffix') 37qemu_docdir = get_option('docdir') / get_option('qemu_suffix') 38qemu_moddir = get_option('libdir') / get_option('qemu_suffix') 39 40qemu_desktopdir = get_option('datadir') / 'applications' 41qemu_icondir = get_option('datadir') / 'icons' 42 43genh = [] 44qapi_trace_events = [] 45 46bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin'] 47supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux'] 48supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv32', 'riscv64', 'x86', 'x86_64', 49 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64'] 50 51cpu = host_machine.cpu_family() 52 53target_dirs = config_host['TARGET_DIRS'].split() 54 55############ 56# Programs # 57############ 58 59sh = find_program('sh') 60python = import('python').find_installation() 61 62cc = meson.get_compiler('c') 63all_languages = ['c'] 64if host_os == 'windows' and add_languages('cpp', required: false, native: false) 65 all_languages += ['cpp'] 66 cxx = meson.get_compiler('cpp') 67endif 68if host_os == 'darwin' and \ 69 add_languages('objc', required: get_option('cocoa'), native: false) 70 all_languages += ['objc'] 71 objc = meson.get_compiler('objc') 72endif 73 74dtrace = not_found 75stap = not_found 76if 'dtrace' in get_option('trace_backends') 77 dtrace = find_program('dtrace', required: true) 78 stap = find_program('stap', required: false) 79 if stap.found() 80 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol 81 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility 82 # instead. QEMU --enable-modules depends on this because the SystemTap 83 # semaphores are linked into the main binary and not the module's shared 84 # object. 85 add_global_arguments('-DSTAP_SDT_V2', 86 native: false, language: all_languages) 87 endif 88endif 89 90if get_option('iasl') == '' 91 iasl = find_program('iasl', required: false) 92else 93 iasl = find_program(get_option('iasl'), required: true) 94endif 95 96edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ] 97unpack_edk2_blobs = false 98foreach target : edk2_targets 99 if target in target_dirs 100 bzip2 = find_program('bzip2', required: get_option('install_blobs')) 101 unpack_edk2_blobs = bzip2.found() 102 break 103 endif 104endforeach 105 106##################### 107# Option validation # 108##################### 109 110# Fuzzing 111if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \ 112 not cc.links(''' 113 #include <stdint.h> 114 #include <sys/types.h> 115 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size); 116 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; } 117 ''', 118 args: ['-Werror', '-fsanitize=fuzzer']) 119 error('Your compiler does not support -fsanitize=fuzzer') 120endif 121 122# Tracing backends 123if 'ftrace' in get_option('trace_backends') and host_os != 'linux' 124 error('ftrace is supported only on Linux') 125endif 126if 'syslog' in get_option('trace_backends') and not cc.compiles(''' 127 #include <syslog.h> 128 int main(void) { 129 openlog("qemu", LOG_PID, LOG_DAEMON); 130 syslog(LOG_INFO, "configure"); 131 return 0; 132 }''') 133 error('syslog is not supported on this system') 134endif 135 136# Miscellaneous Linux-only features 137get_option('mpath') \ 138 .require(host_os == 'linux', error_message: 'Multipath is supported only on Linux') 139 140multiprocess_allowed = get_option('multiprocess') \ 141 .require(host_os == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \ 142 .allowed() 143 144vfio_user_server_allowed = get_option('vfio_user_server') \ 145 .require(host_os == 'linux', error_message: 'vfio-user server is supported only on Linux') \ 146 .allowed() 147 148have_tpm = get_option('tpm') \ 149 .require(host_os != 'windows', error_message: 'TPM emulation only available on POSIX systems') \ 150 .allowed() 151 152# vhost 153have_vhost_user = get_option('vhost_user') \ 154 .disable_auto_if(host_os != 'linux') \ 155 .require(host_os != 'windows', 156 error_message: 'vhost-user is not available on Windows').allowed() 157have_vhost_vdpa = get_option('vhost_vdpa') \ 158 .require(host_os == 'linux', 159 error_message: 'vhost-vdpa is only available on Linux').allowed() 160have_vhost_kernel = get_option('vhost_kernel') \ 161 .require(host_os == 'linux', 162 error_message: 'vhost-kernel is only available on Linux').allowed() 163have_vhost_user_crypto = get_option('vhost_crypto') \ 164 .require(have_vhost_user, 165 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed() 166 167have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel 168 169have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed() 170have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed() 171have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed() 172have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa 173 174# type of binaries to build 175have_linux_user = false 176have_bsd_user = false 177have_system = false 178foreach target : target_dirs 179 have_linux_user = have_linux_user or target.endswith('linux-user') 180 have_bsd_user = have_bsd_user or target.endswith('bsd-user') 181 have_system = have_system or target.endswith('-softmmu') 182endforeach 183have_user = have_linux_user or have_bsd_user 184 185have_tools = get_option('tools') \ 186 .disable_auto_if(not have_system) \ 187 .allowed() 188have_ga = get_option('guest_agent') \ 189 .disable_auto_if(not have_system and not have_tools) \ 190 .require(host_os in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'], 191 error_message: 'unsupported OS for QEMU guest agent') \ 192 .allowed() 193have_block = have_system or have_tools 194 195enable_modules = get_option('modules') \ 196 .require(host_os != 'windows', 197 error_message: 'Modules are not available for Windows') \ 198 .require(not get_option('prefer_static'), 199 error_message: 'Modules are incompatible with static linking') \ 200 .allowed() 201 202####################################### 203# Variables for host and accelerators # 204####################################### 205 206if cpu not in supported_cpus 207 host_arch = 'unknown' 208elif cpu == 'x86' 209 host_arch = 'i386' 210elif cpu == 'mips64' 211 host_arch = 'mips' 212elif cpu in ['riscv32', 'riscv64'] 213 host_arch = 'riscv' 214else 215 host_arch = cpu 216endif 217 218if cpu in ['x86', 'x86_64'] 219 kvm_targets = ['i386-softmmu', 'x86_64-softmmu'] 220elif cpu == 'aarch64' 221 kvm_targets = ['aarch64-softmmu'] 222elif cpu == 's390x' 223 kvm_targets = ['s390x-softmmu'] 224elif cpu in ['ppc', 'ppc64'] 225 kvm_targets = ['ppc-softmmu', 'ppc64-softmmu'] 226elif cpu in ['mips', 'mips64'] 227 kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu'] 228elif cpu in ['riscv32'] 229 kvm_targets = ['riscv32-softmmu'] 230elif cpu in ['riscv64'] 231 kvm_targets = ['riscv64-softmmu'] 232else 233 kvm_targets = [] 234endif 235accelerator_targets = { 'CONFIG_KVM': kvm_targets } 236 237if cpu in ['x86', 'x86_64'] 238 xen_targets = ['i386-softmmu', 'x86_64-softmmu'] 239elif cpu in ['arm', 'aarch64'] 240 # i386 emulator provides xenpv machine type for multiple architectures 241 xen_targets = ['i386-softmmu', 'x86_64-softmmu', 'aarch64-softmmu'] 242else 243 xen_targets = [] 244endif 245accelerator_targets += { 'CONFIG_XEN': xen_targets } 246 247if cpu in ['aarch64'] 248 accelerator_targets += { 249 'CONFIG_HVF': ['aarch64-softmmu'] 250 } 251endif 252 253if cpu in ['x86', 'x86_64'] 254 accelerator_targets += { 255 'CONFIG_HVF': ['x86_64-softmmu'], 256 'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'], 257 'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'], 258 } 259endif 260 261modular_tcg = [] 262# Darwin does not support references to thread-local variables in modules 263if host_os != 'darwin' 264 modular_tcg = ['i386-softmmu', 'x86_64-softmmu'] 265endif 266 267################## 268# Compiler flags # 269################## 270 271foreach lang : all_languages 272 compiler = meson.get_compiler(lang) 273 if compiler.get_id() == 'gcc' and compiler.version().version_compare('>=7.4') 274 # ok 275 elif compiler.get_id() == 'clang' and compiler.compiles(''' 276 #ifdef __apple_build_version__ 277 # if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0) 278 # error You need at least XCode Clang v12.0 to compile QEMU 279 # endif 280 #else 281 # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) 282 # error You need at least Clang v10.0 to compile QEMU 283 # endif 284 #endif''') 285 # ok 286 else 287 error('You either need GCC v7.4 or Clang v10.0 (or XCode Clang v12.0) to compile QEMU') 288 endif 289endforeach 290 291# default flags for all hosts 292# We use -fwrapv to tell the compiler that we require a C dialect where 293# left shift of signed integers is well defined and has the expected 294# 2s-complement style results. (Both clang and gcc agree that it 295# provides these semantics.) 296 297qemu_common_flags = [ 298 '-D_GNU_SOURCE', '-D_FILE_OFFSET_BITS=64', '-D_LARGEFILE_SOURCE', 299 '-fno-strict-aliasing', '-fno-common', '-fwrapv' ] 300qemu_cflags = [] 301qemu_ldflags = [] 302 303if host_os == 'darwin' 304 # Disable attempts to use ObjectiveC features in os/object.h since they 305 # won't work when we're compiling with gcc as a C compiler. 306 if compiler.get_id() == 'gcc' 307 qemu_common_flags += '-DOS_OBJECT_USE_OBJC=0' 308 endif 309elif host_os == 'sunos' 310 # needed for CMSG_ macros in sys/socket.h 311 qemu_common_flags += '-D_XOPEN_SOURCE=600' 312 # needed for TIOCWIN* defines in termios.h 313 qemu_common_flags += '-D__EXTENSIONS__' 314elif host_os == 'haiku' 315 qemu_common_flags += ['-DB_USE_POSITIVE_POSIX_ERRORS', '-D_BSD_SOURCE', '-fPIC'] 316endif 317 318# __sync_fetch_and_and requires at least -march=i486. Many toolchains 319# use i686 as default anyway, but for those that don't, an explicit 320# specification is necessary 321if host_arch == 'i386' and not cc.links(''' 322 static int sfaa(int *ptr) 323 { 324 return __sync_fetch_and_and(ptr, 0); 325 } 326 327 int main(void) 328 { 329 int val = 42; 330 val = __sync_val_compare_and_swap(&val, 0, 1); 331 sfaa(&val); 332 return val; 333 }''') 334 qemu_common_flags = ['-march=i486'] + qemu_common_flags 335endif 336 337if get_option('prefer_static') 338 qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static' 339endif 340 341# Meson currently only handles pie as a boolean for now, so if the user 342# has explicitly disabled PIE we need to extend our cflags. 343# 344# -no-pie is supposedly a linker flag that has no effect on the compiler 345# command line, but some distros, that didn't quite know what they were 346# doing, made local changes to gcc's specs file that turned it into 347# a compiler command-line flag. 348# 349# What about linker flags? For a static build, no PIE is implied by -static 350# which we added above (and if it's not because of the same specs patching, 351# there's nothing we can do: compilation will fail, report a bug to your 352# distro and do not use --disable-pie in the meanwhile). For dynamic linking, 353# instead, we can't add -no-pie because it overrides -shared: the linker then 354# tries to build an executable instead of a shared library and fails. So 355# don't add -no-pie anywhere and cross fingers. :( 356if not get_option('b_pie') 357 qemu_common_flags += cc.get_supported_arguments('-fno-pie', '-no-pie') 358endif 359 360if not get_option('stack_protector').disabled() 361 stack_protector_probe = ''' 362 int main(int argc, char *argv[]) 363 { 364 char arr[64], *p = arr, *c = argv[argc - 1]; 365 while (*c) { 366 *p++ = *c++; 367 } 368 return 0; 369 }''' 370 have_stack_protector = false 371 foreach arg : ['-fstack-protector-strong', '-fstack-protector-all'] 372 # We need to check both a compile and a link, since some compiler 373 # setups fail only on a .c->.o compile and some only at link time 374 if cc.compiles(stack_protector_probe, args: ['-Werror', arg]) and \ 375 cc.links(stack_protector_probe, args: ['-Werror', arg]) 376 have_stack_protector = true 377 qemu_cflags += arg 378 qemu_ldflags += arg 379 break 380 endif 381 endforeach 382 get_option('stack_protector') \ 383 .require(have_stack_protector, error_message: 'Stack protector not supported') 384endif 385 386coroutine_backend = get_option('coroutine_backend') 387ucontext_probe = ''' 388 #include <ucontext.h> 389 #ifdef __stub_makecontext 390 #error Ignoring glibc stub makecontext which will always fail 391 #endif 392 int main(void) { makecontext(0, 0, 0); return 0; }''' 393 394# On Windows the only valid backend is the Windows specific one. 395# For POSIX prefer ucontext, but it's not always possible. The fallback 396# is sigcontext. 397supported_backends = [] 398if host_os == 'windows' 399 supported_backends += ['windows'] 400else 401 if host_os != 'darwin' and cc.links(ucontext_probe) 402 supported_backends += ['ucontext'] 403 endif 404 supported_backends += ['sigaltstack'] 405endif 406 407if coroutine_backend == 'auto' 408 coroutine_backend = supported_backends[0] 409elif coroutine_backend not in supported_backends 410 error('"@0@" backend requested but not available. Available backends: @1@' \ 411 .format(coroutine_backend, ', '.join(supported_backends))) 412endif 413 414# Compiles if SafeStack *not* enabled 415safe_stack_probe = ''' 416 int main(void) 417 { 418 #if defined(__has_feature) 419 #if __has_feature(safe_stack) 420 #error SafeStack Enabled 421 #endif 422 #endif 423 return 0; 424 }''' 425if get_option('safe_stack') != not cc.compiles(safe_stack_probe) 426 safe_stack_arg = get_option('safe_stack') ? '-fsanitize=safe-stack' : '-fno-sanitize=safe-stack' 427 if get_option('safe_stack') != not cc.compiles(safe_stack_probe, args: safe_stack_arg) 428 error(get_option('safe_stack') \ 429 ? 'SafeStack not supported by your compiler' \ 430 : 'Cannot disable SafeStack') 431 endif 432 qemu_cflags += safe_stack_arg 433 qemu_ldflags += safe_stack_arg 434endif 435if get_option('safe_stack') and coroutine_backend != 'ucontext' 436 error('SafeStack is only supported with the ucontext coroutine backend') 437endif 438 439if get_option('sanitizers') 440 if cc.has_argument('-fsanitize=address') 441 qemu_cflags = ['-fsanitize=address'] + qemu_cflags 442 qemu_ldflags = ['-fsanitize=address'] + qemu_ldflags 443 endif 444 445 # Detect static linking issue with ubsan - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 446 if cc.links('int main(int argc, char **argv) { return argc + 1; }', 447 args: [qemu_ldflags, '-fsanitize=undefined']) 448 qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags 449 qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags 450 endif 451endif 452 453# Thread sanitizer is, for now, much noisier than the other sanitizers; 454# keep it separate until that is not the case. 455if get_option('tsan') 456 if get_option('sanitizers') 457 error('TSAN is not supported with other sanitizers') 458 endif 459 if not cc.has_function('__tsan_create_fiber', 460 args: '-fsanitize=thread', 461 prefix: '#include <sanitizer/tsan_interface.h>') 462 error('Cannot enable TSAN due to missing fiber annotation interface') 463 endif 464 qemu_cflags = ['-fsanitize=thread'] + qemu_cflags 465 qemu_ldflags = ['-fsanitize=thread'] + qemu_ldflags 466endif 467 468# Detect support for PT_GNU_RELRO + DT_BIND_NOW. 469# The combination is known as "full relro", because .got.plt is read-only too. 470qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now') 471 472if host_os == 'windows' 473 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat') 474 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va') 475endif 476 477# Exclude --warn-common with TSan to suppress warnings from the TSan libraries. 478if host_os != 'sunos' and not get_option('tsan') 479 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--warn-common') 480endif 481 482if get_option('fuzzing') 483 # Specify a filter to only instrument code that is directly related to 484 # virtual-devices. 485 configure_file(output: 'instrumentation-filter', 486 input: 'scripts/oss-fuzz/instrumentation-filter-template', 487 copy: true) 488 489 if cc.compiles('int main () { return 0; }', 490 name: '-fsanitize-coverage-allowlist=/dev/null', 491 args: ['-fsanitize-coverage-allowlist=/dev/null', 492 '-fsanitize-coverage=trace-pc'] ) 493 qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter'] 494 endif 495 496 if get_option('fuzzing_engine') == '' 497 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the 498 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link 499 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be 500 # unable to bind the fuzzer-related callbacks added by instrumentation. 501 qemu_common_flags += ['-fsanitize=fuzzer-no-link'] 502 qemu_ldflags += ['-fsanitize=fuzzer-no-link'] 503 # For the actual fuzzer binaries, we need to link against the libfuzzer 504 # library. They need to be configurable, to support OSS-Fuzz 505 fuzz_exe_ldflags = ['-fsanitize=fuzzer'] 506 else 507 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and 508 # the needed CFLAGS have already been provided 509 fuzz_exe_ldflags = get_option('fuzzing_engine').split() 510 endif 511endif 512 513if get_option('cfi') 514 cfi_flags=[] 515 # Check for dependency on LTO 516 if not get_option('b_lto') 517 error('Selected Control-Flow Integrity but LTO is disabled') 518 endif 519 if enable_modules 520 error('Selected Control-Flow Integrity is not compatible with modules') 521 endif 522 # Check for cfi flags. CFI requires LTO so we can't use 523 # get_supported_arguments, but need a more complex "compiles" which allows 524 # custom arguments 525 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall', 526 args: ['-flto', '-fsanitize=cfi-icall'] ) 527 cfi_flags += '-fsanitize=cfi-icall' 528 else 529 error('-fsanitize=cfi-icall is not supported by the compiler') 530 endif 531 if cc.compiles('int main () { return 0; }', 532 name: '-fsanitize-cfi-icall-generalize-pointers', 533 args: ['-flto', '-fsanitize=cfi-icall', 534 '-fsanitize-cfi-icall-generalize-pointers'] ) 535 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers' 536 else 537 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler') 538 endif 539 if get_option('cfi_debug') 540 if cc.compiles('int main () { return 0; }', 541 name: '-fno-sanitize-trap=cfi-icall', 542 args: ['-flto', '-fsanitize=cfi-icall', 543 '-fno-sanitize-trap=cfi-icall'] ) 544 cfi_flags += '-fno-sanitize-trap=cfi-icall' 545 else 546 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler') 547 endif 548 endif 549 add_global_arguments(cfi_flags, native: false, language: all_languages) 550 add_global_link_arguments(cfi_flags, native: false, language: all_languages) 551endif 552 553add_global_arguments(qemu_common_flags, native: false, language: all_languages) 554add_global_link_arguments(qemu_ldflags, native: false, language: all_languages) 555 556# Collect warnings that we want to enable 557 558warn_flags = [ 559 '-Wundef', 560 '-Wwrite-strings', 561 '-Wmissing-prototypes', 562 '-Wstrict-prototypes', 563 '-Wredundant-decls', 564 '-Wold-style-declaration', 565 '-Wold-style-definition', 566 '-Wtype-limits', 567 '-Wformat-security', 568 '-Wformat-y2k', 569 '-Winit-self', 570 '-Wignored-qualifiers', 571 '-Wempty-body', 572 '-Wnested-externs', 573 '-Wendif-labels', 574 '-Wexpansion-to-defined', 575 '-Wimplicit-fallthrough=2', 576 '-Wmissing-format-attribute', 577 '-Wno-initializer-overrides', 578 '-Wno-missing-include-dirs', 579 '-Wno-shift-negative-value', 580 '-Wno-string-plus-int', 581 '-Wno-typedef-redefinition', 582 '-Wno-tautological-type-limit-compare', 583 '-Wno-psabi', 584 '-Wno-gnu-variable-sized-type-not-at-end', 585 '-Wshadow=local', 586] 587 588if host_os != 'darwin' 589 warn_flags += ['-Wthread-safety'] 590endif 591 592# Set up C++ compiler flags 593qemu_cxxflags = [] 594if 'cpp' in all_languages 595 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags 596endif 597 598add_project_arguments(qemu_cflags, native: false, language: 'c') 599add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c') 600if 'cpp' in all_languages 601 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp') 602 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp') 603endif 604if 'objc' in all_languages 605 # Note sanitizer flags are not applied to Objective-C sources! 606 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc') 607endif 608if host_os == 'linux' 609 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers', 610 '-isystem', 'linux-headers', 611 language: all_languages) 612endif 613 614add_project_arguments('-iquote', '.', 615 '-iquote', meson.current_source_dir(), 616 '-iquote', meson.current_source_dir() / 'include', 617 language: all_languages) 618 619# If a host-specific include directory exists, list that first... 620host_include = meson.current_source_dir() / 'host/include/' 621if fs.is_dir(host_include / host_arch) 622 add_project_arguments('-iquote', host_include / host_arch, 623 language: all_languages) 624endif 625# ... followed by the generic fallback. 626add_project_arguments('-iquote', host_include / 'generic', 627 language: all_languages) 628 629sparse = find_program('cgcc', required: get_option('sparse')) 630if sparse.found() 631 run_target('sparse', 632 command: [find_program('scripts/check_sparse.py'), 633 'compile_commands.json', sparse.full_path(), '-Wbitwise', 634 '-Wno-transparent-union', '-Wno-old-initializer', 635 '-Wno-non-pointer-null']) 636endif 637 638##################################### 639# Host-specific libraries and flags # 640##################################### 641 642libm = cc.find_library('m', required: false) 643threads = dependency('threads') 644util = cc.find_library('util', required: false) 645winmm = [] 646socket = [] 647version_res = [] 648coref = [] 649iokit = [] 650emulator_link_args = [] 651midl = not_found 652widl = not_found 653pathcch = not_found 654host_dsosuf = '.so' 655if host_os == 'windows' 656 midl = find_program('midl', required: false) 657 widl = find_program('widl', required: false) 658 pathcch = cc.find_library('pathcch') 659 socket = cc.find_library('ws2_32') 660 winmm = cc.find_library('winmm') 661 662 win = import('windows') 663 version_res = win.compile_resources('version.rc', 664 depend_files: files('pc-bios/qemu-nsis.ico'), 665 include_directories: include_directories('.')) 666 host_dsosuf = '.dll' 667elif host_os == 'darwin' 668 coref = dependency('appleframeworks', modules: 'CoreFoundation') 669 iokit = dependency('appleframeworks', modules: 'IOKit', required: false) 670 host_dsosuf = '.dylib' 671elif host_os == 'sunos' 672 socket = [cc.find_library('socket'), 673 cc.find_library('nsl'), 674 cc.find_library('resolv')] 675elif host_os == 'haiku' 676 socket = [cc.find_library('posix_error_mapper'), 677 cc.find_library('network'), 678 cc.find_library('bsd')] 679elif host_os == 'openbsd' 680 if get_option('tcg').allowed() and target_dirs.length() > 0 681 # Disable OpenBSD W^X if available 682 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded') 683 endif 684endif 685 686############################################### 687# Host-specific configuration of accelerators # 688############################################### 689 690accelerators = [] 691if get_option('kvm').allowed() and host_os == 'linux' 692 accelerators += 'CONFIG_KVM' 693endif 694if get_option('whpx').allowed() and host_os == 'windows' 695 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64' 696 error('WHPX requires 64-bit host') 697 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \ 698 cc.has_header('winhvemulation.h', required: get_option('whpx')) 699 accelerators += 'CONFIG_WHPX' 700 endif 701endif 702 703hvf = not_found 704if get_option('hvf').allowed() 705 hvf = dependency('appleframeworks', modules: 'Hypervisor', 706 required: get_option('hvf')) 707 if hvf.found() 708 accelerators += 'CONFIG_HVF' 709 endif 710endif 711 712nvmm = not_found 713if host_os == 'netbsd' 714 nvmm = cc.find_library('nvmm', required: get_option('nvmm')) 715 if nvmm.found() 716 accelerators += 'CONFIG_NVMM' 717 endif 718endif 719 720tcg_arch = host_arch 721if get_option('tcg').allowed() 722 if host_arch == 'unknown' 723 if not get_option('tcg_interpreter') 724 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu)) 725 endif 726 elif get_option('tcg_interpreter') 727 warning('Use of the TCG interpreter is not recommended on this host') 728 warning('architecture. There is a native TCG execution backend available') 729 warning('which provides substantially better performance and reliability.') 730 warning('It is strongly recommended to remove the --enable-tcg-interpreter') 731 warning('configuration option on this architecture to use the native') 732 warning('backend.') 733 endif 734 if get_option('tcg_interpreter') 735 tcg_arch = 'tci' 736 elif host_arch == 'x86_64' 737 tcg_arch = 'i386' 738 elif host_arch == 'ppc64' 739 tcg_arch = 'ppc' 740 endif 741 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch, 742 language: all_languages) 743 744 accelerators += 'CONFIG_TCG' 745endif 746 747if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled() 748 error('KVM not available on this platform') 749endif 750if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled() 751 error('HVF not available on this platform') 752endif 753if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled() 754 error('NVMM not available on this platform') 755endif 756if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled() 757 error('WHPX not available on this platform') 758endif 759 760xen = not_found 761if get_option('xen').enabled() or (get_option('xen').auto() and have_system) 762 xencontrol = dependency('xencontrol', required: false, 763 method: 'pkg-config') 764 if xencontrol.found() 765 xen_pc = declare_dependency(version: xencontrol.version(), 766 dependencies: [ 767 xencontrol, 768 # disabler: true makes xen_pc.found() return false if any is not found 769 dependency('xenstore', required: false, 770 method: 'pkg-config', 771 disabler: true), 772 dependency('xenforeignmemory', required: false, 773 method: 'pkg-config', 774 disabler: true), 775 dependency('xengnttab', required: false, 776 method: 'pkg-config', 777 disabler: true), 778 dependency('xenevtchn', required: false, 779 method: 'pkg-config', 780 disabler: true), 781 dependency('xendevicemodel', required: false, 782 method: 'pkg-config', 783 disabler: true), 784 # optional, no "disabler: true" 785 dependency('xentoolcore', required: false, 786 method: 'pkg-config')]) 787 if xen_pc.found() 788 xen = xen_pc 789 endif 790 endif 791 if not xen.found() 792 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ] 793 xen_libs = { 794 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ], 795 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ], 796 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ], 797 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ], 798 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ], 799 } 800 xen_deps = {} 801 foreach ver: xen_tests 802 # cache the various library tests to avoid polluting the logs 803 xen_test_deps = [] 804 foreach l: xen_libs[ver] 805 if l not in xen_deps 806 xen_deps += { l: cc.find_library(l, required: false) } 807 endif 808 xen_test_deps += xen_deps[l] 809 endforeach 810 811 # Use -D to pick just one of the test programs in scripts/xen-detect.c 812 xen_version = ver.split('.') 813 xen_ctrl_version = xen_version[0] + \ 814 ('0' + xen_version[1]).substring(-2) + \ 815 ('0' + xen_version[2]).substring(-2) 816 if cc.links(files('scripts/xen-detect.c'), 817 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version, 818 dependencies: xen_test_deps) 819 xen = declare_dependency(version: ver, dependencies: xen_test_deps) 820 break 821 endif 822 endforeach 823 endif 824 if xen.found() 825 accelerators += 'CONFIG_XEN' 826 elif get_option('xen').enabled() 827 error('could not compile and link Xen test program') 828 endif 829endif 830have_xen_pci_passthrough = get_option('xen_pci_passthrough') \ 831 .require(xen.found(), 832 error_message: 'Xen PCI passthrough requested but Xen not enabled') \ 833 .require(host_os == 'linux', 834 error_message: 'Xen PCI passthrough not available on this platform') \ 835 .require(cpu == 'x86' or cpu == 'x86_64', 836 error_message: 'Xen PCI passthrough not available on this platform') \ 837 .allowed() 838 839################ 840# Dependencies # 841################ 842 843# When bumping glib minimum version, please check also whether to increase 844# the _WIN32_WINNT setting in osdep.h according to the value from glib 845glib_req_ver = '>=2.56.0' 846glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true, 847 method: 'pkg-config') 848glib_cflags = [] 849if enable_modules 850 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true, 851 method: 'pkg-config') 852elif get_option('plugins') 853 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true, 854 method: 'pkg-config') 855else 856 gmodule = not_found 857endif 858 859# This workaround is required due to a bug in pkg-config file for glib as it 860# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static 861if host_os == 'windows' and get_option('prefer_static') 862 glib_cflags += ['-DGLIB_STATIC_COMPILATION'] 863endif 864 865# Sanity check that the current size_t matches the 866# size that glib thinks it should be. This catches 867# problems on multi-arch where people try to build 868# 32-bit QEMU while pointing at 64-bit glib headers 869 870if not cc.compiles(''' 871 #include <glib.h> 872 #include <unistd.h> 873 874 #define QEMU_BUILD_BUG_ON(x) \ 875 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); 876 877 int main(void) { 878 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); 879 return 0; 880 }''', dependencies: glib_pc, args: glib_cflags) 881 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T. 882 You probably need to set PKG_CONFIG_LIBDIR" to point 883 to the right pkg-config files for your build target.''') 884endif 885 886# Silence clang warnings triggered by glib < 2.57.2 887if not cc.compiles(''' 888 #include <glib.h> 889 typedef struct Foo { 890 int i; 891 } Foo; 892 static void foo_free(Foo *f) 893 { 894 g_free(f); 895 } 896 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free) 897 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror']) 898 glib_cflags += cc.get_supported_arguments('-Wno-unused-function') 899endif 900glib = declare_dependency(dependencies: [glib_pc, gmodule], 901 compile_args: glib_cflags, 902 version: glib_pc.version()) 903 904# Check whether glib has gslice, which we have to avoid for correctness. 905# TODO: remove this check and the corresponding workaround (qtree) when 906# the minimum supported glib is >= 2.75.3 907glib_has_gslice = glib.version().version_compare('<2.75.3') 908 909# override glib dep to include the above refinements 910meson.override_dependency('glib-2.0', glib) 911 912# The path to glib.h is added to all compilation commands. 913add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true), 914 native: false, language: all_languages) 915 916gio = not_found 917gdbus_codegen = not_found 918gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio' 919if not get_option('gio').auto() or have_system 920 gio = dependency('gio-2.0', required: get_option('gio'), 921 method: 'pkg-config') 922 if gio.found() and not cc.links(''' 923 #include <gio/gio.h> 924 int main(void) 925 { 926 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0); 927 return 0; 928 }''', dependencies: [glib, gio]) 929 if get_option('gio').enabled() 930 error('The installed libgio is broken for static linking') 931 endif 932 gio = not_found 933 endif 934 if gio.found() 935 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'), 936 required: get_option('gio')) 937 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'), 938 method: 'pkg-config') 939 gio = declare_dependency(dependencies: [gio, gio_unix], 940 version: gio.version()) 941 endif 942endif 943if gdbus_codegen.found() and get_option('cfi') 944 gdbus_codegen = not_found 945 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity' 946endif 947 948xml_pp = find_program('scripts/xml-preprocess.py') 949 950lttng = not_found 951if 'ust' in get_option('trace_backends') 952 lttng = dependency('lttng-ust', required: true, version: '>= 2.1', 953 method: 'pkg-config') 954endif 955pixman = not_found 956if not get_option('pixman').auto() or have_system or have_tools 957 pixman = dependency('pixman-1', required: get_option('pixman'), version:'>=0.21.8', 958 method: 'pkg-config') 959endif 960 961zlib = dependency('zlib', required: true) 962 963libaio = not_found 964if not get_option('linux_aio').auto() or have_block 965 libaio = cc.find_library('aio', has_headers: ['libaio.h'], 966 required: get_option('linux_aio')) 967endif 968 969linux_io_uring_test = ''' 970 #include <liburing.h> 971 #include <linux/errqueue.h> 972 973 int main(void) { return 0; }''' 974 975linux_io_uring = not_found 976if not get_option('linux_io_uring').auto() or have_block 977 linux_io_uring = dependency('liburing', version: '>=0.3', 978 required: get_option('linux_io_uring'), 979 method: 'pkg-config') 980 if not cc.links(linux_io_uring_test) 981 linux_io_uring = not_found 982 endif 983endif 984 985libnfs = not_found 986if not get_option('libnfs').auto() or have_block 987 libnfs = dependency('libnfs', version: '>=1.9.3', 988 required: get_option('libnfs'), 989 method: 'pkg-config') 990endif 991 992libattr_test = ''' 993 #include <stddef.h> 994 #include <sys/types.h> 995 #ifdef CONFIG_LIBATTR 996 #include <attr/xattr.h> 997 #else 998 #include <sys/xattr.h> 999 #endif 1000 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }''' 1001 1002libattr = not_found 1003have_old_libattr = false 1004if get_option('attr').allowed() 1005 if cc.links(libattr_test) 1006 libattr = declare_dependency() 1007 else 1008 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'], 1009 required: get_option('attr')) 1010 if libattr.found() and not \ 1011 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR') 1012 libattr = not_found 1013 if get_option('attr').enabled() 1014 error('could not link libattr') 1015 else 1016 warning('could not link libattr, disabling') 1017 endif 1018 else 1019 have_old_libattr = libattr.found() 1020 endif 1021 endif 1022endif 1023 1024cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'], 1025 required: get_option('cocoa')) 1026 1027vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet')) 1028if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h', 1029 'VMNET_BRIDGED_MODE', 1030 dependencies: vmnet) 1031 vmnet = not_found 1032 if get_option('vmnet').enabled() 1033 error('vmnet.framework API is outdated') 1034 else 1035 warning('vmnet.framework API is outdated, disabling') 1036 endif 1037endif 1038 1039seccomp = not_found 1040seccomp_has_sysrawrc = false 1041if not get_option('seccomp').auto() or have_system or have_tools 1042 seccomp = dependency('libseccomp', version: '>=2.3.0', 1043 required: get_option('seccomp'), 1044 method: 'pkg-config') 1045 if seccomp.found() 1046 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h', 1047 'SCMP_FLTATR_API_SYSRAWRC', 1048 dependencies: seccomp) 1049 endif 1050endif 1051 1052libcap_ng = not_found 1053if not get_option('cap_ng').auto() or have_system or have_tools 1054 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'], 1055 required: get_option('cap_ng')) 1056endif 1057if libcap_ng.found() and not cc.links(''' 1058 #include <cap-ng.h> 1059 int main(void) 1060 { 1061 capng_capability_to_name(CAPNG_EFFECTIVE); 1062 return 0; 1063 }''', dependencies: libcap_ng) 1064 libcap_ng = not_found 1065 if get_option('cap_ng').enabled() 1066 error('could not link libcap-ng') 1067 else 1068 warning('could not link libcap-ng, disabling') 1069 endif 1070endif 1071 1072if get_option('xkbcommon').auto() and not have_system and not have_tools 1073 xkbcommon = not_found 1074else 1075 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'), 1076 method: 'pkg-config') 1077endif 1078 1079slirp = not_found 1080if not get_option('slirp').auto() or have_system 1081 slirp = dependency('slirp', required: get_option('slirp'), 1082 method: 'pkg-config') 1083 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because 1084 # it passes function pointers within libslirp as callbacks for timers. 1085 # When using a system-wide shared libslirp, the type information for the 1086 # callback is missing and the timer call produces a false positive with CFI. 1087 # Do not use the "version" keyword argument to produce a better error. 1088 # with control-flow integrity. 1089 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7') 1090 if get_option('slirp').enabled() 1091 error('Control-Flow Integrity requires libslirp 4.7.') 1092 else 1093 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.') 1094 slirp = not_found 1095 endif 1096 endif 1097endif 1098 1099vde = not_found 1100if not get_option('vde').auto() or have_system or have_tools 1101 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'], 1102 required: get_option('vde')) 1103endif 1104if vde.found() and not cc.links(''' 1105 #include <libvdeplug.h> 1106 int main(void) 1107 { 1108 struct vde_open_args a = {0, 0, 0}; 1109 char s[] = ""; 1110 vde_open(s, s, &a); 1111 return 0; 1112 }''', dependencies: vde) 1113 vde = not_found 1114 if get_option('cap_ng').enabled() 1115 error('could not link libvdeplug') 1116 else 1117 warning('could not link libvdeplug, disabling') 1118 endif 1119endif 1120 1121pulse = not_found 1122if not get_option('pa').auto() or (host_os == 'linux' and have_system) 1123 pulse = dependency('libpulse', required: get_option('pa'), 1124 method: 'pkg-config') 1125endif 1126alsa = not_found 1127if not get_option('alsa').auto() or (host_os == 'linux' and have_system) 1128 alsa = dependency('alsa', required: get_option('alsa'), 1129 method: 'pkg-config') 1130endif 1131jack = not_found 1132if not get_option('jack').auto() or have_system 1133 jack = dependency('jack', required: get_option('jack'), 1134 method: 'pkg-config') 1135endif 1136pipewire = not_found 1137if not get_option('pipewire').auto() or (host_os == 'linux' and have_system) 1138 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60', 1139 required: get_option('pipewire'), 1140 method: 'pkg-config') 1141endif 1142sndio = not_found 1143if not get_option('sndio').auto() or have_system 1144 sndio = dependency('sndio', required: get_option('sndio'), 1145 method: 'pkg-config') 1146endif 1147 1148spice_protocol = not_found 1149if not get_option('spice_protocol').auto() or have_system 1150 spice_protocol = dependency('spice-protocol', version: '>=0.14.0', 1151 required: get_option('spice_protocol'), 1152 method: 'pkg-config') 1153endif 1154spice = not_found 1155if get_option('spice') \ 1156 .disable_auto_if(not have_system) \ 1157 .require(pixman.found(), 1158 error_message: 'cannot enable SPICE if pixman is not available') \ 1159 .allowed() 1160 spice = dependency('spice-server', version: '>=0.14.0', 1161 required: get_option('spice'), 1162 method: 'pkg-config') 1163endif 1164spice_headers = spice.partial_dependency(compile_args: true, includes: true) 1165 1166rt = cc.find_library('rt', required: false) 1167 1168libiscsi = not_found 1169if not get_option('libiscsi').auto() or have_block 1170 libiscsi = dependency('libiscsi', version: '>=1.9.0', 1171 required: get_option('libiscsi'), 1172 method: 'pkg-config') 1173endif 1174zstd = not_found 1175if not get_option('zstd').auto() or have_block 1176 zstd = dependency('libzstd', version: '>=1.4.0', 1177 required: get_option('zstd'), 1178 method: 'pkg-config') 1179endif 1180virgl = not_found 1181 1182have_vhost_user_gpu = have_tools and host_os == 'linux' and pixman.found() 1183if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu 1184 virgl = dependency('virglrenderer', 1185 method: 'pkg-config', 1186 required: get_option('virglrenderer')) 1187endif 1188rutabaga = not_found 1189if not get_option('rutabaga_gfx').auto() or have_system or have_vhost_user_gpu 1190 rutabaga = dependency('rutabaga_gfx_ffi', 1191 method: 'pkg-config', 1192 required: get_option('rutabaga_gfx')) 1193endif 1194blkio = not_found 1195if not get_option('blkio').auto() or have_block 1196 blkio = dependency('blkio', 1197 method: 'pkg-config', 1198 required: get_option('blkio')) 1199endif 1200curl = not_found 1201if not get_option('curl').auto() or have_block 1202 curl = dependency('libcurl', version: '>=7.29.0', 1203 method: 'pkg-config', 1204 required: get_option('curl')) 1205endif 1206libudev = not_found 1207if host_os == 'linux' and (have_system or have_tools) 1208 libudev = dependency('libudev', 1209 method: 'pkg-config', 1210 required: get_option('libudev')) 1211endif 1212 1213mpathlibs = [libudev] 1214mpathpersist = not_found 1215if host_os == 'linux' and have_tools and get_option('mpath').allowed() 1216 mpath_test_source = ''' 1217 #include <libudev.h> 1218 #include <mpath_persist.h> 1219 unsigned mpath_mx_alloc_len = 1024; 1220 int logsink; 1221 static struct config *multipath_conf; 1222 extern struct udev *udev; 1223 extern struct config *get_multipath_config(void); 1224 extern void put_multipath_config(struct config *conf); 1225 struct udev *udev; 1226 struct config *get_multipath_config(void) { return multipath_conf; } 1227 void put_multipath_config(struct config *conf) { } 1228 int main(void) { 1229 udev = udev_new(); 1230 multipath_conf = mpath_lib_init(); 1231 return 0; 1232 }''' 1233 libmpathpersist = cc.find_library('mpathpersist', 1234 required: get_option('mpath')) 1235 if libmpathpersist.found() 1236 mpathlibs += libmpathpersist 1237 if get_option('prefer_static') 1238 mpathlibs += cc.find_library('devmapper', 1239 required: get_option('mpath')) 1240 endif 1241 mpathlibs += cc.find_library('multipath', 1242 required: get_option('mpath')) 1243 foreach lib: mpathlibs 1244 if not lib.found() 1245 mpathlibs = [] 1246 break 1247 endif 1248 endforeach 1249 if mpathlibs.length() == 0 1250 msg = 'Dependencies missing for libmpathpersist' 1251 elif cc.links(mpath_test_source, dependencies: mpathlibs) 1252 mpathpersist = declare_dependency(dependencies: mpathlibs) 1253 else 1254 msg = 'Cannot detect libmpathpersist API' 1255 endif 1256 if not mpathpersist.found() 1257 if get_option('mpath').enabled() 1258 error(msg) 1259 else 1260 warning(msg + ', disabling') 1261 endif 1262 endif 1263 endif 1264endif 1265 1266iconv = not_found 1267curses = not_found 1268if have_system and get_option('curses').allowed() 1269 curses_test = ''' 1270 #if defined(__APPLE__) || defined(__OpenBSD__) 1271 #define _XOPEN_SOURCE_EXTENDED 1 1272 #endif 1273 #include <locale.h> 1274 #include <curses.h> 1275 #include <wchar.h> 1276 int main(void) { 1277 wchar_t wch = L'w'; 1278 setlocale(LC_ALL, ""); 1279 resize_term(0, 0); 1280 addwstr(L"wide chars\n"); 1281 addnwstr(&wch, 1); 1282 add_wch(WACS_DEGREE); 1283 return 0; 1284 }''' 1285 1286 curses_dep_list = host_os == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw'] 1287 curses = dependency(curses_dep_list, 1288 required: false, 1289 method: 'pkg-config') 1290 msg = get_option('curses').enabled() ? 'curses library not found' : '' 1291 curses_compile_args = ['-DNCURSES_WIDECHAR=1'] 1292 if curses.found() 1293 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses]) 1294 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses], 1295 version: curses.version()) 1296 else 1297 msg = 'curses package not usable' 1298 curses = not_found 1299 endif 1300 endif 1301 if not curses.found() 1302 has_curses_h = cc.has_header('curses.h', args: curses_compile_args) 1303 if host_os != 'windows' and not has_curses_h 1304 message('Trying with /usr/include/ncursesw') 1305 curses_compile_args += ['-I/usr/include/ncursesw'] 1306 has_curses_h = cc.has_header('curses.h', args: curses_compile_args) 1307 endif 1308 if has_curses_h 1309 curses_libname_list = (host_os == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw']) 1310 foreach curses_libname : curses_libname_list 1311 libcurses = cc.find_library(curses_libname, 1312 required: false) 1313 if libcurses.found() 1314 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses) 1315 curses = declare_dependency(compile_args: curses_compile_args, 1316 dependencies: [libcurses]) 1317 break 1318 else 1319 msg = 'curses library not usable' 1320 endif 1321 endif 1322 endforeach 1323 endif 1324 endif 1325 if get_option('iconv').allowed() 1326 foreach link_args : [ ['-liconv'], [] ] 1327 # Programs will be linked with glib and this will bring in libiconv on FreeBSD. 1328 # We need to use libiconv if available because mixing libiconv's headers with 1329 # the system libc does not work. 1330 # However, without adding glib to the dependencies -L/usr/local/lib will not be 1331 # included in the command line and libiconv will not be found. 1332 if cc.links(''' 1333 #include <iconv.h> 1334 int main(void) { 1335 iconv_t conv = iconv_open("WCHAR_T", "UCS-2"); 1336 return conv != (iconv_t) -1; 1337 }''', args: link_args, dependencies: glib) 1338 iconv = declare_dependency(link_args: link_args, dependencies: glib) 1339 break 1340 endif 1341 endforeach 1342 endif 1343 if curses.found() and not iconv.found() 1344 if get_option('iconv').enabled() 1345 error('iconv not available') 1346 endif 1347 msg = 'iconv required for curses UI but not available' 1348 curses = not_found 1349 endif 1350 if not curses.found() and msg != '' 1351 if get_option('curses').enabled() 1352 error(msg) 1353 else 1354 warning(msg + ', disabling') 1355 endif 1356 endif 1357endif 1358 1359brlapi = not_found 1360if not get_option('brlapi').auto() or have_system 1361 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'], 1362 required: get_option('brlapi')) 1363 if brlapi.found() and not cc.links(''' 1364 #include <brlapi.h> 1365 #include <stddef.h> 1366 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi) 1367 brlapi = not_found 1368 if get_option('brlapi').enabled() 1369 error('could not link brlapi') 1370 else 1371 warning('could not link brlapi, disabling') 1372 endif 1373 endif 1374endif 1375 1376sdl = not_found 1377if not get_option('sdl').auto() or have_system 1378 sdl = dependency('sdl2', required: get_option('sdl')) 1379 sdl_image = not_found 1380endif 1381if sdl.found() 1382 # Some versions of SDL have problems with -Wundef 1383 if not cc.compiles(''' 1384 #include <SDL.h> 1385 #include <SDL_syswm.h> 1386 int main(int argc, char *argv[]) { return 0; } 1387 ''', dependencies: sdl, args: '-Werror=undef') 1388 sdl = declare_dependency(compile_args: '-Wno-undef', 1389 dependencies: sdl, 1390 version: sdl.version()) 1391 endif 1392 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'), 1393 method: 'pkg-config') 1394else 1395 if get_option('sdl_image').enabled() 1396 error('sdl-image required, but SDL was @0@'.format( 1397 get_option('sdl').disabled() ? 'disabled' : 'not found')) 1398 endif 1399 sdl_image = not_found 1400endif 1401 1402rbd = not_found 1403if not get_option('rbd').auto() or have_block 1404 librados = cc.find_library('rados', required: get_option('rbd')) 1405 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'], 1406 required: get_option('rbd')) 1407 if librados.found() and librbd.found() 1408 if cc.links(''' 1409 #include <stdio.h> 1410 #include <rbd/librbd.h> 1411 int main(void) { 1412 rados_t cluster; 1413 rados_create(&cluster, NULL); 1414 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0) 1415 #error 1416 #endif 1417 return 0; 1418 }''', dependencies: [librbd, librados]) 1419 rbd = declare_dependency(dependencies: [librbd, librados]) 1420 elif get_option('rbd').enabled() 1421 error('librbd >= 1.12.0 required') 1422 else 1423 warning('librbd >= 1.12.0 not found, disabling') 1424 endif 1425 endif 1426endif 1427 1428glusterfs = not_found 1429glusterfs_ftruncate_has_stat = false 1430glusterfs_iocb_has_stat = false 1431if not get_option('glusterfs').auto() or have_block 1432 glusterfs = dependency('glusterfs-api', version: '>=3', 1433 required: get_option('glusterfs'), 1434 method: 'pkg-config') 1435 if glusterfs.found() 1436 glusterfs_ftruncate_has_stat = cc.links(''' 1437 #include <glusterfs/api/glfs.h> 1438 1439 int 1440 main(void) 1441 { 1442 /* new glfs_ftruncate() passes two additional args */ 1443 return glfs_ftruncate(NULL, 0, NULL, NULL); 1444 } 1445 ''', dependencies: glusterfs) 1446 glusterfs_iocb_has_stat = cc.links(''' 1447 #include <glusterfs/api/glfs.h> 1448 1449 /* new glfs_io_cbk() passes two additional glfs_stat structs */ 1450 static void 1451 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data) 1452 {} 1453 1454 int 1455 main(void) 1456 { 1457 glfs_io_cbk iocb = &glusterfs_iocb; 1458 iocb(NULL, 0 , NULL, NULL, NULL); 1459 return 0; 1460 } 1461 ''', dependencies: glusterfs) 1462 endif 1463endif 1464 1465hv_balloon = false 1466if get_option('hv_balloon').allowed() and have_system 1467 if cc.links(''' 1468 #include <string.h> 1469 #include <gmodule.h> 1470 int main(void) { 1471 GTree *tree; 1472 1473 tree = g_tree_new((GCompareFunc)strcmp); 1474 (void)g_tree_node_first(tree); 1475 g_tree_destroy(tree); 1476 return 0; 1477 } 1478 ''', dependencies: glib) 1479 hv_balloon = true 1480 else 1481 if get_option('hv_balloon').enabled() 1482 error('could not enable hv-balloon, update your glib') 1483 else 1484 warning('could not find glib support for hv-balloon, disabling') 1485 endif 1486 endif 1487endif 1488 1489libssh = not_found 1490if not get_option('libssh').auto() or have_block 1491 libssh = dependency('libssh', version: '>=0.8.7', 1492 method: 'pkg-config', 1493 required: get_option('libssh')) 1494endif 1495 1496libbzip2 = not_found 1497if not get_option('bzip2').auto() or have_block 1498 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'], 1499 required: get_option('bzip2')) 1500 if libbzip2.found() and not cc.links(''' 1501 #include <bzlib.h> 1502 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2) 1503 libbzip2 = not_found 1504 if get_option('bzip2').enabled() 1505 error('could not link libbzip2') 1506 else 1507 warning('could not link libbzip2, disabling') 1508 endif 1509 endif 1510endif 1511 1512liblzfse = not_found 1513if not get_option('lzfse').auto() or have_block 1514 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'], 1515 required: get_option('lzfse')) 1516endif 1517if liblzfse.found() and not cc.links(''' 1518 #include <lzfse.h> 1519 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse) 1520 liblzfse = not_found 1521 if get_option('lzfse').enabled() 1522 error('could not link liblzfse') 1523 else 1524 warning('could not link liblzfse, disabling') 1525 endif 1526endif 1527 1528oss = not_found 1529if get_option('oss').allowed() and have_system 1530 if not cc.has_header('sys/soundcard.h') 1531 # not found 1532 elif host_os == 'netbsd' 1533 oss = cc.find_library('ossaudio', required: get_option('oss')) 1534 else 1535 oss = declare_dependency() 1536 endif 1537 1538 if not oss.found() 1539 if get_option('oss').enabled() 1540 error('OSS not found') 1541 endif 1542 endif 1543endif 1544dsound = not_found 1545if not get_option('dsound').auto() or (host_os == 'windows' and have_system) 1546 if cc.has_header('dsound.h') 1547 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid']) 1548 endif 1549 1550 if not dsound.found() 1551 if get_option('dsound').enabled() 1552 error('DirectSound not found') 1553 endif 1554 endif 1555endif 1556 1557coreaudio = not_found 1558if not get_option('coreaudio').auto() or (host_os == 'darwin' and have_system) 1559 coreaudio = dependency('appleframeworks', modules: 'CoreAudio', 1560 required: get_option('coreaudio')) 1561endif 1562 1563opengl = not_found 1564if not get_option('opengl').auto() or have_system or have_vhost_user_gpu 1565 epoxy = dependency('epoxy', method: 'pkg-config', 1566 required: get_option('opengl')) 1567 if cc.has_header('epoxy/egl.h', dependencies: epoxy) 1568 opengl = epoxy 1569 elif get_option('opengl').enabled() 1570 error('epoxy/egl.h not found') 1571 endif 1572endif 1573gbm = not_found 1574if (have_system or have_tools) and (virgl.found() or opengl.found()) 1575 gbm = dependency('gbm', method: 'pkg-config', required: false) 1576endif 1577have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found() 1578 1579gnutls = not_found 1580gnutls_crypto = not_found 1581if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system) 1582 # For general TLS support our min gnutls matches 1583 # that implied by our platform support matrix 1584 # 1585 # For the crypto backends, we look for a newer 1586 # gnutls: 1587 # 1588 # Version 3.6.8 is needed to get XTS 1589 # Version 3.6.13 is needed to get PBKDF 1590 # Version 3.6.14 is needed to get HW accelerated XTS 1591 # 1592 # If newer enough gnutls isn't available, we can 1593 # still use a different crypto backend to satisfy 1594 # the platform support requirements 1595 gnutls_crypto = dependency('gnutls', version: '>=3.6.14', 1596 method: 'pkg-config', 1597 required: false) 1598 if gnutls_crypto.found() 1599 gnutls = gnutls_crypto 1600 else 1601 # Our min version if all we need is TLS 1602 gnutls = dependency('gnutls', version: '>=3.5.18', 1603 method: 'pkg-config', 1604 required: get_option('gnutls')) 1605 endif 1606endif 1607 1608# We prefer use of gnutls for crypto, unless the options 1609# explicitly asked for nettle or gcrypt. 1610# 1611# If gnutls isn't available for crypto, then we'll prefer 1612# gcrypt over nettle for performance reasons. 1613gcrypt = not_found 1614nettle = not_found 1615hogweed = not_found 1616xts = 'none' 1617 1618if get_option('nettle').enabled() and get_option('gcrypt').enabled() 1619 error('Only one of gcrypt & nettle can be enabled') 1620endif 1621 1622# Explicit nettle/gcrypt request, so ignore gnutls for crypto 1623if get_option('nettle').enabled() or get_option('gcrypt').enabled() 1624 gnutls_crypto = not_found 1625endif 1626 1627if not gnutls_crypto.found() 1628 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled() 1629 gcrypt = dependency('libgcrypt', version: '>=1.8', 1630 method: 'config-tool', 1631 required: get_option('gcrypt')) 1632 # Debian has removed -lgpg-error from libgcrypt-config 1633 # as it "spreads unnecessary dependencies" which in 1634 # turn breaks static builds... 1635 if gcrypt.found() and get_option('prefer_static') 1636 gcrypt = declare_dependency(dependencies: 1637 [gcrypt, 1638 cc.find_library('gpg-error', required: true)], 1639 version: gcrypt.version()) 1640 endif 1641 endif 1642 if (not get_option('nettle').auto() or have_system) and not gcrypt.found() 1643 nettle = dependency('nettle', version: '>=3.4', 1644 method: 'pkg-config', 1645 required: get_option('nettle')) 1646 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle) 1647 xts = 'private' 1648 endif 1649 endif 1650endif 1651 1652capstone = not_found 1653if not get_option('capstone').auto() or have_system or have_user 1654 capstone = dependency('capstone', version: '>=3.0.5', 1655 method: 'pkg-config', 1656 required: get_option('capstone')) 1657 1658 # Some versions of capstone have broken pkg-config file 1659 # that reports a wrong -I path, causing the #include to 1660 # fail later. If the system has such a broken version 1661 # do not use it. 1662 if capstone.found() and not cc.compiles('#include <capstone.h>', 1663 dependencies: [capstone]) 1664 capstone = not_found 1665 if get_option('capstone').enabled() 1666 error('capstone requested, but it does not appear to work') 1667 endif 1668 endif 1669endif 1670 1671gmp = dependency('gmp', required: false, method: 'pkg-config') 1672if nettle.found() and gmp.found() 1673 hogweed = dependency('hogweed', version: '>=3.4', 1674 method: 'pkg-config', 1675 required: get_option('nettle')) 1676endif 1677 1678 1679gtk = not_found 1680gtkx11 = not_found 1681vte = not_found 1682have_gtk_clipboard = get_option('gtk_clipboard').enabled() 1683 1684if get_option('gtk') \ 1685 .disable_auto_if(not have_system) \ 1686 .require(pixman.found(), 1687 error_message: 'cannot enable GTK if pixman is not available') \ 1688 .allowed() 1689 gtk = dependency('gtk+-3.0', version: '>=3.22.0', 1690 method: 'pkg-config', 1691 required: get_option('gtk')) 1692 if gtk.found() 1693 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0', 1694 method: 'pkg-config', 1695 required: false) 1696 gtk = declare_dependency(dependencies: [gtk, gtkx11], 1697 version: gtk.version()) 1698 1699 if not get_option('vte').auto() or have_system 1700 vte = dependency('vte-2.91', 1701 method: 'pkg-config', 1702 required: get_option('vte')) 1703 endif 1704 elif have_gtk_clipboard 1705 error('GTK clipboard requested, but GTK not found') 1706 endif 1707endif 1708 1709x11 = not_found 1710if gtkx11.found() 1711 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found()) 1712endif 1713png = not_found 1714if get_option('png').allowed() and have_system 1715 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'), 1716 method: 'pkg-config') 1717endif 1718vnc = not_found 1719jpeg = not_found 1720sasl = not_found 1721if get_option('vnc') \ 1722 .disable_auto_if(not have_system) \ 1723 .require(pixman.found(), 1724 error_message: 'cannot enable VNC if pixman is not available') \ 1725 .allowed() 1726 vnc = declare_dependency() # dummy dependency 1727 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'), 1728 method: 'pkg-config') 1729 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'], 1730 required: get_option('vnc_sasl')) 1731 if sasl.found() 1732 sasl = declare_dependency(dependencies: sasl, 1733 compile_args: '-DSTRUCT_IOVEC_DEFINED') 1734 endif 1735endif 1736 1737pam = not_found 1738if not get_option('auth_pam').auto() or have_system 1739 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'], 1740 required: get_option('auth_pam')) 1741endif 1742if pam.found() and not cc.links(''' 1743 #include <stddef.h> 1744 #include <security/pam_appl.h> 1745 int main(void) { 1746 const char *service_name = "qemu"; 1747 const char *user = "frank"; 1748 const struct pam_conv pam_conv = { 0 }; 1749 pam_handle_t *pamh = NULL; 1750 pam_start(service_name, user, &pam_conv, &pamh); 1751 return 0; 1752 }''', dependencies: pam) 1753 pam = not_found 1754 if get_option('auth_pam').enabled() 1755 error('could not link libpam') 1756 else 1757 warning('could not link libpam, disabling') 1758 endif 1759endif 1760 1761snappy = not_found 1762if not get_option('snappy').auto() or have_system 1763 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'], 1764 required: get_option('snappy')) 1765endif 1766if snappy.found() and not cc.links(''' 1767 #include <snappy-c.h> 1768 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy) 1769 snappy = not_found 1770 if get_option('snappy').enabled() 1771 error('could not link libsnappy') 1772 else 1773 warning('could not link libsnappy, disabling') 1774 endif 1775endif 1776 1777lzo = not_found 1778if not get_option('lzo').auto() or have_system 1779 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'], 1780 required: get_option('lzo')) 1781endif 1782if lzo.found() and not cc.links(''' 1783 #include <lzo/lzo1x.h> 1784 int main(void) { lzo_version(); return 0; }''', dependencies: lzo) 1785 lzo = not_found 1786 if get_option('lzo').enabled() 1787 error('could not link liblzo2') 1788 else 1789 warning('could not link liblzo2, disabling') 1790 endif 1791endif 1792 1793numa = not_found 1794if not get_option('numa').auto() or have_system or have_tools 1795 numa = cc.find_library('numa', has_headers: ['numa.h'], 1796 required: get_option('numa')) 1797endif 1798if numa.found() and not cc.links(''' 1799 #include <numa.h> 1800 int main(void) { return numa_available(); } 1801 ''', dependencies: numa) 1802 numa = not_found 1803 if get_option('numa').enabled() 1804 error('could not link numa') 1805 else 1806 warning('could not link numa, disabling') 1807 endif 1808endif 1809 1810rdma = not_found 1811if not get_option('rdma').auto() or have_system 1812 libumad = cc.find_library('ibumad', required: get_option('rdma')) 1813 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'], 1814 required: get_option('rdma')), 1815 cc.find_library('ibverbs', required: get_option('rdma')), 1816 libumad] 1817 rdma = declare_dependency(dependencies: rdma_libs) 1818 foreach lib: rdma_libs 1819 if not lib.found() 1820 rdma = not_found 1821 endif 1822 endforeach 1823endif 1824 1825cacard = not_found 1826if not get_option('smartcard').auto() or have_system 1827 cacard = dependency('libcacard', required: get_option('smartcard'), 1828 version: '>=2.5.1', method: 'pkg-config') 1829endif 1830u2f = not_found 1831if not get_option('u2f').auto() or have_system 1832 u2f = dependency('u2f-emu', required: get_option('u2f'), 1833 method: 'pkg-config') 1834endif 1835canokey = not_found 1836if not get_option('canokey').auto() or have_system 1837 canokey = dependency('canokey-qemu', required: get_option('canokey'), 1838 method: 'pkg-config') 1839endif 1840usbredir = not_found 1841if not get_option('usb_redir').auto() or have_system 1842 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'), 1843 version: '>=0.6', method: 'pkg-config') 1844endif 1845libusb = not_found 1846if not get_option('libusb').auto() or have_system 1847 libusb = dependency('libusb-1.0', required: get_option('libusb'), 1848 version: '>=1.0.13', method: 'pkg-config') 1849endif 1850 1851libpmem = not_found 1852if not get_option('libpmem').auto() or have_system 1853 libpmem = dependency('libpmem', required: get_option('libpmem'), 1854 method: 'pkg-config') 1855endif 1856libdaxctl = not_found 1857if not get_option('libdaxctl').auto() or have_system 1858 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'), 1859 version: '>=57', method: 'pkg-config') 1860endif 1861tasn1 = not_found 1862if gnutls.found() 1863 tasn1 = dependency('libtasn1', 1864 method: 'pkg-config') 1865endif 1866keyutils = not_found 1867if not get_option('libkeyutils').auto() or have_block 1868 keyutils = dependency('libkeyutils', required: get_option('libkeyutils'), 1869 method: 'pkg-config') 1870endif 1871 1872has_gettid = cc.has_function('gettid') 1873 1874# libselinux 1875selinux = dependency('libselinux', 1876 required: get_option('selinux'), 1877 method: 'pkg-config') 1878 1879# Malloc tests 1880 1881malloc = [] 1882if get_option('malloc') == 'system' 1883 has_malloc_trim = \ 1884 get_option('malloc_trim').allowed() and \ 1885 cc.has_function('malloc_trim', prefix: '#include <malloc.h>') 1886else 1887 has_malloc_trim = false 1888 malloc = cc.find_library(get_option('malloc'), required: true) 1889endif 1890if not has_malloc_trim and get_option('malloc_trim').enabled() 1891 if get_option('malloc') == 'system' 1892 error('malloc_trim not available on this platform.') 1893 else 1894 error('malloc_trim not available with non-libc memory allocator') 1895 endif 1896endif 1897 1898gnu_source_prefix = ''' 1899 #ifndef _GNU_SOURCE 1900 #define _GNU_SOURCE 1901 #endif 1902''' 1903 1904# Check whether the glibc provides STATX_BASIC_STATS 1905 1906has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix) 1907 1908# Check whether statx() provides mount ID information 1909 1910has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix) 1911 1912have_vhost_user_blk_server = get_option('vhost_user_blk_server') \ 1913 .require(host_os == 'linux', 1914 error_message: 'vhost_user_blk_server requires linux') \ 1915 .require(have_vhost_user, 1916 error_message: 'vhost_user_blk_server requires vhost-user support') \ 1917 .disable_auto_if(not have_tools and not have_system) \ 1918 .allowed() 1919 1920if get_option('fuse').disabled() and get_option('fuse_lseek').enabled() 1921 error('Cannot enable fuse-lseek while fuse is disabled') 1922endif 1923 1924fuse = dependency('fuse3', required: get_option('fuse'), 1925 version: '>=3.1', method: 'pkg-config') 1926 1927fuse_lseek = not_found 1928if get_option('fuse_lseek').allowed() 1929 if fuse.version().version_compare('>=3.8') 1930 # Dummy dependency 1931 fuse_lseek = declare_dependency() 1932 elif get_option('fuse_lseek').enabled() 1933 if fuse.found() 1934 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version()) 1935 else 1936 error('fuse-lseek requires libfuse, which was not found') 1937 endif 1938 endif 1939endif 1940 1941have_libvduse = (host_os == 'linux') 1942if get_option('libvduse').enabled() 1943 if host_os != 'linux' 1944 error('libvduse requires linux') 1945 endif 1946elif get_option('libvduse').disabled() 1947 have_libvduse = false 1948endif 1949 1950have_vduse_blk_export = (have_libvduse and host_os == 'linux') 1951if get_option('vduse_blk_export').enabled() 1952 if host_os != 'linux' 1953 error('vduse_blk_export requires linux') 1954 elif not have_libvduse 1955 error('vduse_blk_export requires libvduse support') 1956 endif 1957elif get_option('vduse_blk_export').disabled() 1958 have_vduse_blk_export = false 1959endif 1960 1961# libbpf 1962libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config') 1963if libbpf.found() and not cc.links(''' 1964 #include <bpf/libbpf.h> 1965 int main(void) 1966 { 1967 bpf_object__destroy_skeleton(NULL); 1968 return 0; 1969 }''', dependencies: libbpf) 1970 libbpf = not_found 1971 if get_option('bpf').enabled() 1972 error('libbpf skeleton test failed') 1973 else 1974 warning('libbpf skeleton test failed, disabling') 1975 endif 1976endif 1977 1978# libxdp 1979libxdp = not_found 1980if not get_option('af_xdp').auto() or have_system 1981 libxdp = dependency('libxdp', required: get_option('af_xdp'), 1982 version: '>=1.4.0', method: 'pkg-config') 1983endif 1984 1985# libdw 1986libdw = not_found 1987if not get_option('libdw').auto() or \ 1988 (not get_option('prefer_static') and (have_system or have_user)) 1989 libdw = dependency('libdw', 1990 method: 'pkg-config', 1991 required: get_option('libdw')) 1992endif 1993 1994################# 1995# config-host.h # 1996################# 1997 1998config_host_data = configuration_data() 1999 2000audio_drivers_selected = [] 2001if have_system 2002 audio_drivers_available = { 2003 'alsa': alsa.found(), 2004 'coreaudio': coreaudio.found(), 2005 'dsound': dsound.found(), 2006 'jack': jack.found(), 2007 'oss': oss.found(), 2008 'pa': pulse.found(), 2009 'pipewire': pipewire.found(), 2010 'sdl': sdl.found(), 2011 'sndio': sndio.found(), 2012 } 2013 foreach k, v: audio_drivers_available 2014 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v) 2015 endforeach 2016 2017 # Default to native drivers first, OSS second, SDL third 2018 audio_drivers_priority = \ 2019 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \ 2020 (host_os == 'linux' ? [] : [ 'sdl' ]) 2021 audio_drivers_default = [] 2022 foreach k: audio_drivers_priority 2023 if audio_drivers_available[k] 2024 audio_drivers_default += k 2025 endif 2026 endforeach 2027 2028 foreach k: get_option('audio_drv_list') 2029 if k == 'default' 2030 audio_drivers_selected += audio_drivers_default 2031 elif not audio_drivers_available[k] 2032 error('Audio driver "@0@" not available.'.format(k)) 2033 else 2034 audio_drivers_selected += k 2035 endif 2036 endforeach 2037endif 2038config_host_data.set('CONFIG_AUDIO_DRIVERS', 2039 '"' + '", "'.join(audio_drivers_selected) + '", ') 2040 2041have_host_block_device = (host_os != 'darwin' or 2042 cc.has_header('IOKit/storage/IOMedia.h')) 2043 2044dbus_display = get_option('dbus_display') \ 2045 .require(gio.version().version_compare('>=2.64'), 2046 error_message: '-display dbus requires glib>=2.64') \ 2047 .require(gdbus_codegen.found(), 2048 error_message: gdbus_codegen_error.format('-display dbus')) \ 2049 .allowed() 2050 2051have_virtfs = get_option('virtfs') \ 2052 .require(host_os == 'linux' or host_os == 'darwin', 2053 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \ 2054 .require(host_os == 'linux' or cc.has_function('pthread_fchdir_np'), 2055 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \ 2056 .require(host_os == 'darwin' or libattr.found(), 2057 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \ 2058 .disable_auto_if(not have_tools and not have_system) \ 2059 .allowed() 2060 2061have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \ 2062 .require(host_os != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \ 2063 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \ 2064 .disable_auto_if(not have_tools) \ 2065 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \ 2066 .allowed() 2067 2068if get_option('block_drv_ro_whitelist') == '' 2069 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '') 2070else 2071 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', 2072 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ') 2073endif 2074if get_option('block_drv_rw_whitelist') == '' 2075 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '') 2076else 2077 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', 2078 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ') 2079endif 2080 2081foreach k : get_option('trace_backends') 2082 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true) 2083endforeach 2084config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file')) 2085config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority')) 2086if iasl.found() 2087 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path()) 2088endif 2089config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir')) 2090config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix')) 2091config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir) 2092config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir) 2093config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir) 2094 2095qemu_firmwarepath = '' 2096foreach k : get_option('qemu_firmwarepath') 2097 qemu_firmwarepath += '"' + get_option('prefix') / k + '", ' 2098endforeach 2099config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath) 2100 2101config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir')) 2102config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir) 2103config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir')) 2104config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir')) 2105config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir) 2106config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir')) 2107 2108if enable_modules 2109 config_host_data.set('CONFIG_STAMP', run_command( 2110 meson.current_source_dir() / 'scripts/qemu-stamp.py', 2111 meson.project_version(), get_option('pkgversion'), '--', 2112 meson.current_source_dir() / 'configure', 2113 capture: true, check: true).stdout().strip()) 2114endif 2115 2116have_slirp_smbd = get_option('slirp_smbd') \ 2117 .require(host_os != 'windows', error_message: 'Host smbd not supported on this platform.') \ 2118 .allowed() 2119if have_slirp_smbd 2120 smbd_path = get_option('smbd') 2121 if smbd_path == '' 2122 smbd_path = (host_os == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd') 2123 endif 2124 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path) 2125endif 2126 2127config_host_data.set('HOST_' + host_arch.to_upper(), 1) 2128 2129kvm_targets_c = '""' 2130if get_option('kvm').allowed() and host_os == 'linux' 2131 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"' 2132endif 2133config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c) 2134 2135if get_option('module_upgrades') and not enable_modules 2136 error('Cannot enable module-upgrades as modules are not enabled') 2137endif 2138config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades')) 2139 2140config_host_data.set('CONFIG_ATTR', libattr.found()) 2141config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools')) 2142config_host_data.set('CONFIG_BRLAPI', brlapi.found()) 2143config_host_data.set('CONFIG_BSD', host_os in bsd_oses) 2144config_host_data.set('CONFIG_CAPSTONE', capstone.found()) 2145config_host_data.set('CONFIG_COCOA', cocoa.found()) 2146config_host_data.set('CONFIG_DARWIN', host_os == 'darwin') 2147config_host_data.set('CONFIG_FUZZ', get_option('fuzzing')) 2148config_host_data.set('CONFIG_GCOV', get_option('b_coverage')) 2149config_host_data.set('CONFIG_LIBUDEV', libudev.found()) 2150config_host_data.set('CONFIG_LINUX', host_os == 'linux') 2151config_host_data.set('CONFIG_POSIX', host_os != 'windows') 2152config_host_data.set('CONFIG_WIN32', host_os == 'windows') 2153config_host_data.set('CONFIG_LZO', lzo.found()) 2154config_host_data.set('CONFIG_MPATH', mpathpersist.found()) 2155config_host_data.set('CONFIG_BLKIO', blkio.found()) 2156if blkio.found() 2157 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD', 2158 blkio.version().version_compare('>=1.3.0')) 2159endif 2160config_host_data.set('CONFIG_CURL', curl.found()) 2161config_host_data.set('CONFIG_CURSES', curses.found()) 2162config_host_data.set('CONFIG_GBM', gbm.found()) 2163config_host_data.set('CONFIG_GIO', gio.found()) 2164config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found()) 2165if glusterfs.found() 2166 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4')) 2167 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5')) 2168 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6')) 2169 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6')) 2170 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat) 2171 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat) 2172endif 2173config_host_data.set('CONFIG_GTK', gtk.found()) 2174config_host_data.set('CONFIG_VTE', vte.found()) 2175config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard) 2176config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser')) 2177config_host_data.set('CONFIG_LIBATTR', have_old_libattr) 2178config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found()) 2179config_host_data.set('CONFIG_EBPF', libbpf.found()) 2180config_host_data.set('CONFIG_AF_XDP', libxdp.found()) 2181config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found()) 2182config_host_data.set('CONFIG_LIBISCSI', libiscsi.found()) 2183config_host_data.set('CONFIG_LIBNFS', libnfs.found()) 2184config_host_data.set('CONFIG_LIBSSH', libssh.found()) 2185config_host_data.set('CONFIG_LINUX_AIO', libaio.found()) 2186config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found()) 2187config_host_data.set('CONFIG_LIBPMEM', libpmem.found()) 2188config_host_data.set('CONFIG_MODULES', enable_modules) 2189config_host_data.set('CONFIG_NUMA', numa.found()) 2190if numa.found() 2191 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY', 2192 cc.has_function('numa_has_preferred_many', 2193 dependencies: numa)) 2194endif 2195config_host_data.set('CONFIG_OPENGL', opengl.found()) 2196config_host_data.set('CONFIG_PLUGIN', get_option('plugins')) 2197config_host_data.set('CONFIG_RBD', rbd.found()) 2198config_host_data.set('CONFIG_RDMA', rdma.found()) 2199config_host_data.set('CONFIG_RELOCATABLE', get_option('relocatable')) 2200config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack')) 2201config_host_data.set('CONFIG_SDL', sdl.found()) 2202config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found()) 2203config_host_data.set('CONFIG_SECCOMP', seccomp.found()) 2204if seccomp.found() 2205 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc) 2206endif 2207config_host_data.set('CONFIG_PIXMAN', pixman.found()) 2208config_host_data.set('CONFIG_SLIRP', slirp.found()) 2209config_host_data.set('CONFIG_SNAPPY', snappy.found()) 2210config_host_data.set('CONFIG_SOLARIS', host_os == 'sunos') 2211if get_option('tcg').allowed() 2212 config_host_data.set('CONFIG_TCG', 1) 2213 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci') 2214endif 2215config_host_data.set('CONFIG_TPM', have_tpm) 2216config_host_data.set('CONFIG_TSAN', get_option('tsan')) 2217config_host_data.set('CONFIG_USB_LIBUSB', libusb.found()) 2218config_host_data.set('CONFIG_VDE', vde.found()) 2219config_host_data.set('CONFIG_VHOST', have_vhost) 2220config_host_data.set('CONFIG_VHOST_NET', have_vhost_net) 2221config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user) 2222config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa) 2223config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel) 2224config_host_data.set('CONFIG_VHOST_USER', have_vhost_user) 2225config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto) 2226config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa) 2227config_host_data.set('CONFIG_VMNET', vmnet.found()) 2228config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server) 2229config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export) 2230config_host_data.set('CONFIG_PNG', png.found()) 2231config_host_data.set('CONFIG_VNC', vnc.found()) 2232config_host_data.set('CONFIG_VNC_JPEG', jpeg.found()) 2233config_host_data.set('CONFIG_VNC_SASL', sasl.found()) 2234if virgl.found() 2235 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT', 2236 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d', 2237 prefix: '#include <virglrenderer.h>', 2238 dependencies: virgl)) 2239endif 2240config_host_data.set('CONFIG_VIRTFS', have_virtfs) 2241config_host_data.set('CONFIG_VTE', vte.found()) 2242config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found()) 2243config_host_data.set('CONFIG_KEYUTILS', keyutils.found()) 2244config_host_data.set('CONFIG_GETTID', has_gettid) 2245config_host_data.set('CONFIG_GNUTLS', gnutls.found()) 2246config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found()) 2247config_host_data.set('CONFIG_TASN1', tasn1.found()) 2248config_host_data.set('CONFIG_GCRYPT', gcrypt.found()) 2249config_host_data.set('CONFIG_NETTLE', nettle.found()) 2250config_host_data.set('CONFIG_HOGWEED', hogweed.found()) 2251config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private') 2252config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim) 2253config_host_data.set('CONFIG_STATX', has_statx) 2254config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id) 2255config_host_data.set('CONFIG_ZSTD', zstd.found()) 2256config_host_data.set('CONFIG_FUSE', fuse.found()) 2257config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found()) 2258config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found()) 2259if spice_protocol.found() 2260config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0]) 2261config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1]) 2262config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2]) 2263endif 2264config_host_data.set('CONFIG_SPICE', spice.found()) 2265config_host_data.set('CONFIG_X11', x11.found()) 2266config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display) 2267config_host_data.set('CONFIG_CFI', get_option('cfi')) 2268config_host_data.set('CONFIG_SELINUX', selinux.found()) 2269config_host_data.set('CONFIG_XEN_BACKEND', xen.found()) 2270config_host_data.set('CONFIG_LIBDW', libdw.found()) 2271if xen.found() 2272 # protect from xen.version() having less than three components 2273 xen_version = xen.version().split('.') + ['0', '0'] 2274 xen_ctrl_version = xen_version[0] + \ 2275 ('0' + xen_version[1]).substring(-2) + \ 2276 ('0' + xen_version[2]).substring(-2) 2277 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version) 2278endif 2279config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version())) 2280config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0]) 2281config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1]) 2282config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2]) 2283 2284config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf) 2285config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device) 2286 2287have_coroutine_pool = get_option('coroutine_pool') 2288if get_option('debug_stack_usage') and have_coroutine_pool 2289 message('Disabling coroutine pool to measure stack usage') 2290 have_coroutine_pool = false 2291endif 2292config_host_data.set('CONFIG_COROUTINE_POOL', have_coroutine_pool) 2293config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock')) 2294config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex')) 2295config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage')) 2296config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg')) 2297config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed()) 2298config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug')) 2299config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed()) 2300 2301# has_header 2302config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h')) 2303config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h')) 2304config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h')) 2305config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h')) 2306config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h')) 2307config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h')) 2308config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h')) 2309config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h')) 2310config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h')) 2311if host_os == 'windows' 2312 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h')) 2313endif 2314 2315# has_function 2316config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range')) 2317config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4')) 2318config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime')) 2319config_host_data.set('CONFIG_DUP3', cc.has_function('dup3')) 2320config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate')) 2321config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate')) 2322config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix)) 2323config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>')) 2324# Note that we need to specify prefix: here to avoid incorrectly 2325# thinking that Windows has posix_memalign() 2326config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>')) 2327config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc')) 2328config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc')) 2329config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign')) 2330config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll')) 2331config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>')) 2332config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np')) 2333config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile')) 2334config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare')) 2335config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs')) 2336config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range')) 2337config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create')) 2338config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range')) 2339config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs')) 2340config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice) 2341config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util)) 2342config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul')) 2343config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>')) 2344if rbd.found() 2345 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS', 2346 cc.has_function('rbd_namespace_exists', 2347 dependencies: rbd, 2348 prefix: '#include <rbd/librbd.h>')) 2349endif 2350if rdma.found() 2351 config_host_data.set('HAVE_IBV_ADVISE_MR', 2352 cc.has_function('ibv_advise_mr', 2353 dependencies: rdma, 2354 prefix: '#include <infiniband/verbs.h>')) 2355endif 2356 2357have_asan_fiber = false 2358if get_option('sanitizers') and \ 2359 not cc.has_function('__sanitizer_start_switch_fiber', 2360 args: '-fsanitize=address', 2361 prefix: '#include <sanitizer/asan_interface.h>') 2362 warning('Missing ASAN due to missing fiber annotation interface') 2363 warning('Without code annotation, the report may be inferior.') 2364else 2365 have_asan_fiber = true 2366endif 2367config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber) 2368 2369# has_header_symbol 2370config_host_data.set('CONFIG_BLKZONED', 2371 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE')) 2372config_host_data.set('CONFIG_EPOLL_CREATE1', 2373 cc.has_header_symbol('sys/epoll.h', 'epoll_create1')) 2374config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE', 2375 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and 2376 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE')) 2377config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE', 2378 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE')) 2379config_host_data.set('CONFIG_FIEMAP', 2380 cc.has_header('linux/fiemap.h') and 2381 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP')) 2382config_host_data.set('CONFIG_GETRANDOM', 2383 cc.has_function('getrandom') and 2384 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK')) 2385config_host_data.set('CONFIG_INOTIFY', 2386 cc.has_header_symbol('sys/inotify.h', 'inotify_init')) 2387config_host_data.set('CONFIG_INOTIFY1', 2388 cc.has_header_symbol('sys/inotify.h', 'inotify_init1')) 2389config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK', 2390 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK')) 2391config_host_data.set('CONFIG_RTNETLINK', 2392 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN')) 2393config_host_data.set('CONFIG_SYSMACROS', 2394 cc.has_header_symbol('sys/sysmacros.h', 'makedev')) 2395config_host_data.set('HAVE_OPTRESET', 2396 cc.has_header_symbol('getopt.h', 'optreset')) 2397config_host_data.set('HAVE_IPPROTO_MPTCP', 2398 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP')) 2399 2400# has_member 2401config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID', 2402 cc.has_member('struct sigevent', 'sigev_notify_thread_id', 2403 prefix: '#include <signal.h>')) 2404config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM', 2405 cc.has_member('struct stat', 'st_atim', 2406 prefix: '#include <sys/stat.h>')) 2407config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY', 2408 cc.has_member('struct blk_zone', 'capacity', 2409 prefix: '#include <linux/blkzoned.h>')) 2410 2411# has_type 2412config_host_data.set('CONFIG_IOVEC', 2413 cc.has_type('struct iovec', 2414 prefix: '#include <sys/uio.h>')) 2415config_host_data.set('HAVE_UTMPX', 2416 cc.has_type('struct utmpx', 2417 prefix: '#include <utmpx.h>')) 2418 2419config_host_data.set('CONFIG_EVENTFD', cc.links(''' 2420 #include <sys/eventfd.h> 2421 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }''')) 2422config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + ''' 2423 #include <unistd.h> 2424 int main(void) { 2425 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0 2426 return fdatasync(0); 2427 #else 2428 #error Not supported 2429 #endif 2430 }''')) 2431 2432has_madvise = cc.links(gnu_source_prefix + ''' 2433 #include <sys/types.h> 2434 #include <sys/mman.h> 2435 #include <stddef.h> 2436 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''') 2437missing_madvise_proto = false 2438if has_madvise 2439 # Some platforms (illumos and Solaris before Solaris 11) provide madvise() 2440 # but forget to prototype it. In this case, has_madvise will be true (the 2441 # test program links despite a compile warning). To detect the 2442 # missing-prototype case, we try again with a definitely-bogus prototype. 2443 # This will only compile if the system headers don't provide the prototype; 2444 # otherwise the conflicting prototypes will cause a compiler error. 2445 missing_madvise_proto = cc.links(gnu_source_prefix + ''' 2446 #include <sys/types.h> 2447 #include <sys/mman.h> 2448 #include <stddef.h> 2449 extern int madvise(int); 2450 int main(void) { return madvise(0); }''') 2451endif 2452config_host_data.set('CONFIG_MADVISE', has_madvise) 2453config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto) 2454 2455config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + ''' 2456 #include <sys/mman.h> 2457 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }''')) 2458config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + ''' 2459 #include <fcntl.h> 2460 #if !defined(AT_EMPTY_PATH) 2461 # error missing definition 2462 #else 2463 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); } 2464 #endif''')) 2465config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + ''' 2466 #include <sys/mman.h> 2467 #include <stddef.h> 2468 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }''')) 2469 2470config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + ''' 2471 #include <pthread.h> 2472 2473 static void *f(void *p) { return NULL; } 2474 int main(void) 2475 { 2476 pthread_t thread; 2477 pthread_create(&thread, 0, f, 0); 2478 pthread_setname_np(thread, "QEMU"); 2479 return 0; 2480 }''', dependencies: threads)) 2481config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + ''' 2482 #include <pthread.h> 2483 2484 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; } 2485 int main(void) 2486 { 2487 pthread_t thread; 2488 pthread_create(&thread, 0, f, 0); 2489 return 0; 2490 }''', dependencies: threads)) 2491config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + ''' 2492 #include <pthread.h> 2493 #include <pthread_np.h> 2494 2495 static void *f(void *p) { return NULL; } 2496 int main(void) 2497 { 2498 pthread_t thread; 2499 pthread_create(&thread, 0, f, 0); 2500 pthread_set_name_np(thread, "QEMU"); 2501 return 0; 2502 }''', dependencies: threads)) 2503config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + ''' 2504 #include <pthread.h> 2505 #include <time.h> 2506 2507 int main(void) 2508 { 2509 pthread_condattr_t attr 2510 pthread_condattr_init(&attr); 2511 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC); 2512 return 0; 2513 }''', dependencies: threads)) 2514config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + ''' 2515 #include <pthread.h> 2516 2517 static void *f(void *p) { return NULL; } 2518 int main(void) 2519 { 2520 int setsize = CPU_ALLOC_SIZE(64); 2521 pthread_t thread; 2522 cpu_set_t *cpuset; 2523 pthread_create(&thread, 0, f, 0); 2524 cpuset = CPU_ALLOC(64); 2525 CPU_ZERO_S(setsize, cpuset); 2526 pthread_setaffinity_np(thread, setsize, cpuset); 2527 pthread_getaffinity_np(thread, setsize, cpuset); 2528 CPU_FREE(cpuset); 2529 return 0; 2530 }''', dependencies: threads)) 2531config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + ''' 2532 #include <sys/signalfd.h> 2533 #include <stddef.h> 2534 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }''')) 2535config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + ''' 2536 #include <unistd.h> 2537 #include <fcntl.h> 2538 #include <limits.h> 2539 2540 int main(void) 2541 { 2542 int len, fd = 0; 2543 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK); 2544 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE); 2545 return 0; 2546 }''')) 2547 2548config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + ''' 2549 #include <sys/mman.h> 2550 int main(void) { 2551 return mlockall(MCL_FUTURE); 2552 }''')) 2553 2554have_l2tpv3 = false 2555if get_option('l2tpv3').allowed() and have_system 2556 have_l2tpv3 = cc.has_type('struct mmsghdr', 2557 prefix: gnu_source_prefix + ''' 2558 #include <sys/socket.h> 2559 #include <linux/ip.h>''') 2560endif 2561config_host_data.set('CONFIG_L2TPV3', have_l2tpv3) 2562 2563have_netmap = false 2564if get_option('netmap').allowed() and have_system 2565 have_netmap = cc.compiles(''' 2566 #include <inttypes.h> 2567 #include <net/if.h> 2568 #include <net/netmap.h> 2569 #include <net/netmap_user.h> 2570 #if (NETMAP_API < 11) || (NETMAP_API > 15) 2571 #error 2572 #endif 2573 int main(void) { return 0; }''') 2574 if not have_netmap and get_option('netmap').enabled() 2575 error('Netmap headers not available') 2576 endif 2577endif 2578config_host_data.set('CONFIG_NETMAP', have_netmap) 2579 2580# Work around a system header bug with some kernel/XFS header 2581# versions where they both try to define 'struct fsxattr': 2582# xfs headers will not try to redefine structs from linux headers 2583# if this macro is set. 2584config_host_data.set('HAVE_FSXATTR', cc.links(''' 2585 #include <linux/fs.h> 2586 struct fsxattr foo; 2587 int main(void) { 2588 return 0; 2589 }''')) 2590 2591# Some versions of Mac OS X incorrectly define SIZE_MAX 2592config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles(''' 2593 #include <stdint.h> 2594 #include <stdio.h> 2595 int main(void) { 2596 return printf("%zu", SIZE_MAX); 2597 }''', args: ['-Werror'])) 2598 2599# See if 64-bit atomic operations are supported. 2600# Note that without __atomic builtins, we can only 2601# assume atomic loads/stores max at pointer size. 2602config_host_data.set('CONFIG_ATOMIC64', cc.links(''' 2603 #include <stdint.h> 2604 int main(void) 2605 { 2606 uint64_t x = 0, y = 0; 2607 y = __atomic_load_n(&x, __ATOMIC_RELAXED); 2608 __atomic_store_n(&x, y, __ATOMIC_RELAXED); 2609 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED); 2610 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED); 2611 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED); 2612 return 0; 2613 }''')) 2614 2615has_int128_type = cc.compiles(''' 2616 __int128_t a; 2617 __uint128_t b; 2618 int main(void) { b = a; }''') 2619config_host_data.set('CONFIG_INT128_TYPE', has_int128_type) 2620 2621has_int128 = has_int128_type and cc.links(''' 2622 __int128_t a; 2623 __uint128_t b; 2624 int main (void) { 2625 a = a + b; 2626 b = a * b; 2627 a = a * a; 2628 return 0; 2629 }''') 2630config_host_data.set('CONFIG_INT128', has_int128) 2631 2632if has_int128_type 2633 # "do we have 128-bit atomics which are handled inline and specifically not 2634 # via libatomic". The reason we can't use libatomic is documented in the 2635 # comment starting "GCC is a house divided" in include/qemu/atomic128.h. 2636 # We only care about these operations on 16-byte aligned pointers, so 2637 # force 16-byte alignment of the pointer, which may be greater than 2638 # __alignof(unsigned __int128) for the host. 2639 atomic_test_128 = ''' 2640 int main(int ac, char **av) { 2641 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16); 2642 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED); 2643 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED); 2644 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED); 2645 return 0; 2646 }''' 2647 has_atomic128 = cc.links(atomic_test_128) 2648 2649 config_host_data.set('CONFIG_ATOMIC128', has_atomic128) 2650 2651 if not has_atomic128 2652 # Even with __builtin_assume_aligned, the above test may have failed 2653 # without optimization enabled. Try again with optimizations locally 2654 # enabled for the function. See 2655 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389 2656 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128) 2657 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt) 2658 2659 if not has_atomic128_opt 2660 config_host_data.set('CONFIG_CMPXCHG128', cc.links(''' 2661 int main(void) 2662 { 2663 __uint128_t x = 0, y = 0; 2664 __sync_val_compare_and_swap_16(&x, y, x); 2665 return 0; 2666 } 2667 ''')) 2668 endif 2669 endif 2670endif 2671 2672config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + ''' 2673 #include <sys/auxv.h> 2674 int main(void) { 2675 return getauxval(AT_HWCAP) == 0; 2676 }''')) 2677 2678config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles(''' 2679 #include <linux/usbdevice_fs.h> 2680 2681 #ifndef USBDEVFS_GET_CAPABILITIES 2682 #error "USBDEVFS_GET_CAPABILITIES undefined" 2683 #endif 2684 2685 #ifndef USBDEVFS_DISCONNECT_CLAIM 2686 #error "USBDEVFS_DISCONNECT_CLAIM undefined" 2687 #endif 2688 2689 int main(void) { return 0; }''')) 2690 2691have_keyring = get_option('keyring') \ 2692 .require(host_os == 'linux', error_message: 'keyring is only available on Linux') \ 2693 .require(cc.compiles(''' 2694 #include <errno.h> 2695 #include <asm/unistd.h> 2696 #include <linux/keyctl.h> 2697 #include <sys/syscall.h> 2698 #include <unistd.h> 2699 int main(void) { 2700 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0); 2701 }'''), error_message: 'keyctl syscall not available on this system').allowed() 2702config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring) 2703 2704have_cpuid_h = cc.links(''' 2705 #include <cpuid.h> 2706 int main(void) { 2707 unsigned a, b, c, d; 2708 unsigned max = __get_cpuid_max(0, 0); 2709 2710 if (max >= 1) { 2711 __cpuid(1, a, b, c, d); 2712 } 2713 2714 if (max >= 7) { 2715 __cpuid_count(7, 0, a, b, c, d); 2716 } 2717 2718 return 0; 2719 }''') 2720config_host_data.set('CONFIG_CPUID_H', have_cpuid_h) 2721 2722config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \ 2723 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \ 2724 .require(cc.links(''' 2725 #include <cpuid.h> 2726 #include <immintrin.h> 2727 static int __attribute__((target("avx2"))) bar(void *a) { 2728 __m256i x = *(__m256i *)a; 2729 return _mm256_testz_si256(x, x); 2730 } 2731 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); } 2732 '''), error_message: 'AVX2 not available').allowed()) 2733 2734config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \ 2735 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \ 2736 .require(cc.links(''' 2737 #include <cpuid.h> 2738 #include <immintrin.h> 2739 static int __attribute__((target("avx512f"))) bar(void *a) { 2740 __m512i x = *(__m512i *)a; 2741 return _mm512_test_epi64_mask(x, x); 2742 } 2743 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); } 2744 '''), error_message: 'AVX512F not available').allowed()) 2745 2746config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \ 2747 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \ 2748 .require(cc.links(''' 2749 #include <cpuid.h> 2750 #include <immintrin.h> 2751 static int __attribute__((target("avx512bw"))) bar(void *a) { 2752 __m512i *x = a; 2753 __m512i res= _mm512_abs_epi8(*x); 2754 return res[1]; 2755 } 2756 int main(int argc, char *argv[]) { return bar(argv[0]); } 2757 '''), error_message: 'AVX512BW not available').allowed()) 2758 2759# For both AArch64 and AArch32, detect if builtins are available. 2760config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles(''' 2761 #include <arm_neon.h> 2762 #ifndef __ARM_FEATURE_AES 2763 __attribute__((target("+crypto"))) 2764 #endif 2765 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); } 2766 ''')) 2767 2768have_pvrdma = get_option('pvrdma') \ 2769 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \ 2770 .require(cc.compiles(gnu_source_prefix + ''' 2771 #include <sys/mman.h> 2772 int main(void) 2773 { 2774 char buf = 0; 2775 void *addr = &buf; 2776 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED); 2777 2778 return 0; 2779 }'''), error_message: 'PVRDMA requires mremap').allowed() 2780 2781if have_pvrdma 2782 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links(''' 2783 #include <infiniband/verbs.h> 2784 int main(void) 2785 { 2786 struct ibv_mr *mr; 2787 struct ibv_pd *pd = NULL; 2788 size_t length = 10; 2789 uint64_t iova = 0; 2790 int access = 0; 2791 void *addr = NULL; 2792 2793 mr = ibv_reg_mr_iova(pd, addr, length, iova, access); 2794 ibv_dereg_mr(mr); 2795 return 0; 2796 }''')) 2797endif 2798 2799if get_option('membarrier').disabled() 2800 have_membarrier = false 2801elif host_os == 'windows' 2802 have_membarrier = true 2803elif host_os == 'linux' 2804 have_membarrier = cc.compiles(''' 2805 #include <linux/membarrier.h> 2806 #include <sys/syscall.h> 2807 #include <unistd.h> 2808 #include <stdlib.h> 2809 int main(void) { 2810 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0); 2811 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0); 2812 exit(0); 2813 }''') 2814endif 2815config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \ 2816 .require(have_membarrier, error_message: 'membarrier system call not available') \ 2817 .allowed()) 2818 2819have_afalg = get_option('crypto_afalg') \ 2820 .require(cc.compiles(gnu_source_prefix + ''' 2821 #include <errno.h> 2822 #include <sys/types.h> 2823 #include <sys/socket.h> 2824 #include <linux/if_alg.h> 2825 int main(void) { 2826 int sock; 2827 sock = socket(AF_ALG, SOCK_SEQPACKET, 0); 2828 return sock; 2829 } 2830 '''), error_message: 'AF_ALG requested but could not be detected').allowed() 2831config_host_data.set('CONFIG_AF_ALG', have_afalg) 2832 2833config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol( 2834 'linux/vm_sockets.h', 'AF_VSOCK', 2835 prefix: '#include <sys/socket.h>', 2836)) 2837 2838have_vss = false 2839have_vss_sdk = false # old xp/2003 SDK 2840if host_os == 'windows' and 'cpp' in all_languages 2841 have_vss = cxx.compiles(''' 2842 #define __MIDL_user_allocate_free_DEFINED__ 2843 #include <vss.h> 2844 int main(void) { return VSS_CTX_BACKUP; }''') 2845 have_vss_sdk = cxx.has_header('vscoordint.h') 2846endif 2847config_host_data.set('HAVE_VSS_SDK', have_vss_sdk) 2848 2849# Older versions of MinGW do not import _lock_file and _unlock_file properly. 2850# This was fixed for v6.0.0 with commit b48e3ac8969d. 2851if host_os == 'windows' 2852 config_host_data.set('HAVE__LOCK_FILE', cc.links(''' 2853 #include <stdio.h> 2854 int main(void) { 2855 _lock_file(NULL); 2856 _unlock_file(NULL); 2857 return 0; 2858 }''', name: '_lock_file and _unlock_file')) 2859endif 2860 2861if host_os == 'windows' 2862 mingw_has_setjmp_longjmp = cc.links(''' 2863 #include <setjmp.h> 2864 int main(void) { 2865 /* 2866 * These functions are not available in setjmp header, but may be 2867 * available at link time, from libmingwex.a. 2868 */ 2869 extern int __mingw_setjmp(jmp_buf); 2870 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int); 2871 jmp_buf env; 2872 __mingw_setjmp(env); 2873 __mingw_longjmp(env, 0); 2874 } 2875 ''', name: 'mingw setjmp and longjmp') 2876 2877 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp 2878 error('mingw must provide setjmp/longjmp for windows-arm64') 2879 endif 2880endif 2881 2882######################## 2883# Target configuration # 2884######################## 2885 2886minikconf = find_program('scripts/minikconf.py') 2887 2888config_all_accel = {} 2889config_all_devices = {} 2890config_devices_mak_list = [] 2891config_devices_h = {} 2892config_target_h = {} 2893config_target_mak = {} 2894 2895disassemblers = { 2896 'alpha' : ['CONFIG_ALPHA_DIS'], 2897 'avr' : ['CONFIG_AVR_DIS'], 2898 'cris' : ['CONFIG_CRIS_DIS'], 2899 'hexagon' : ['CONFIG_HEXAGON_DIS'], 2900 'hppa' : ['CONFIG_HPPA_DIS'], 2901 'i386' : ['CONFIG_I386_DIS'], 2902 'x86_64' : ['CONFIG_I386_DIS'], 2903 'm68k' : ['CONFIG_M68K_DIS'], 2904 'microblaze' : ['CONFIG_MICROBLAZE_DIS'], 2905 'mips' : ['CONFIG_MIPS_DIS'], 2906 'nios2' : ['CONFIG_NIOS2_DIS'], 2907 'or1k' : ['CONFIG_OPENRISC_DIS'], 2908 'ppc' : ['CONFIG_PPC_DIS'], 2909 'riscv' : ['CONFIG_RISCV_DIS'], 2910 'rx' : ['CONFIG_RX_DIS'], 2911 's390' : ['CONFIG_S390_DIS'], 2912 'sh4' : ['CONFIG_SH4_DIS'], 2913 'sparc' : ['CONFIG_SPARC_DIS'], 2914 'xtensa' : ['CONFIG_XTENSA_DIS'], 2915 'loongarch' : ['CONFIG_LOONGARCH_DIS'], 2916} 2917 2918have_ivshmem = config_host_data.get('CONFIG_EVENTFD') 2919host_kconfig = \ 2920 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \ 2921 (have_tpm ? ['CONFIG_TPM=y'] : []) + \ 2922 (pixman.found() ? ['CONFIG_PIXMAN=y'] : []) + \ 2923 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \ 2924 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \ 2925 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \ 2926 (x11.found() ? ['CONFIG_X11=y'] : []) + \ 2927 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \ 2928 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \ 2929 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \ 2930 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \ 2931 (host_os == 'linux' ? ['CONFIG_LINUX=y'] : []) + \ 2932 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \ 2933 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \ 2934 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : []) + \ 2935 (hv_balloon ? ['CONFIG_HV_BALLOON_POSSIBLE=y'] : []) 2936 2937ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ] 2938 2939default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host 2940actual_target_dirs = [] 2941fdt_required = [] 2942foreach target : target_dirs 2943 config_target = { 'TARGET_NAME': target.split('-')[0] } 2944 if target.endswith('linux-user') 2945 if host_os != 'linux' 2946 if default_targets 2947 continue 2948 endif 2949 error('Target @0@ is only available on a Linux host'.format(target)) 2950 endif 2951 config_target += { 'CONFIG_LINUX_USER': 'y' } 2952 elif target.endswith('bsd-user') 2953 if host_os not in bsd_oses 2954 if default_targets 2955 continue 2956 endif 2957 error('Target @0@ is only available on a BSD host'.format(target)) 2958 endif 2959 config_target += { 'CONFIG_BSD_USER': 'y' } 2960 elif target.endswith('softmmu') 2961 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' } 2962 config_target += { 'CONFIG_SOFTMMU': 'y' } 2963 endif 2964 if target.endswith('-user') 2965 config_target += { 2966 'CONFIG_USER_ONLY': 'y', 2967 'CONFIG_QEMU_INTERP_PREFIX': 2968 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME']) 2969 } 2970 endif 2971 2972 accel_kconfig = [] 2973 foreach sym: accelerators 2974 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, []) 2975 config_target += { sym: 'y' } 2976 config_all_accel += { sym: 'y' } 2977 if target in modular_tcg 2978 config_target += { 'CONFIG_TCG_MODULAR': 'y' } 2979 else 2980 config_target += { 'CONFIG_TCG_BUILTIN': 'y' } 2981 endif 2982 accel_kconfig += [ sym + '=y' ] 2983 endif 2984 endforeach 2985 if accel_kconfig.length() == 0 2986 if default_targets 2987 continue 2988 endif 2989 error('No accelerator available for target @0@'.format(target)) 2990 endif 2991 2992 actual_target_dirs += target 2993 config_target += keyval.load('configs/targets' / target + '.mak') 2994 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' } 2995 2996 if 'TARGET_NEED_FDT' in config_target 2997 fdt_required += target 2998 endif 2999 3000 # Add default keys 3001 if 'TARGET_BASE_ARCH' not in config_target 3002 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']} 3003 endif 3004 if 'TARGET_ABI_DIR' not in config_target 3005 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']} 3006 endif 3007 if 'TARGET_BIG_ENDIAN' not in config_target 3008 config_target += {'TARGET_BIG_ENDIAN': 'n'} 3009 endif 3010 3011 foreach k, v: disassemblers 3012 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k) 3013 foreach sym: v 3014 config_target += { sym: 'y' } 3015 endforeach 3016 endif 3017 endforeach 3018 3019 config_target_data = configuration_data() 3020 foreach k, v: config_target 3021 if not k.startswith('TARGET_') and not k.startswith('CONFIG_') 3022 # do nothing 3023 elif ignored.contains(k) 3024 # do nothing 3025 elif k == 'TARGET_BASE_ARCH' 3026 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is 3027 # not used to select files from sourcesets. 3028 config_target_data.set('TARGET_' + v.to_upper(), 1) 3029 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX' 3030 config_target_data.set_quoted(k, v) 3031 elif v == 'y' 3032 config_target_data.set(k, 1) 3033 elif v == 'n' 3034 config_target_data.set(k, 0) 3035 else 3036 config_target_data.set(k, v) 3037 endif 3038 endforeach 3039 config_target_data.set('QEMU_ARCH', 3040 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper()) 3041 config_target_h += {target: configure_file(output: target + '-config-target.h', 3042 configuration: config_target_data)} 3043 3044 if target.endswith('-softmmu') 3045 config_input = meson.get_external_property(target, 'default') 3046 config_devices_mak = target + '-config-devices.mak' 3047 config_devices_mak = configure_file( 3048 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'], 3049 output: config_devices_mak, 3050 depfile: config_devices_mak + '.d', 3051 capture: true, 3052 command: [minikconf, 3053 get_option('default_devices') ? '--defconfig' : '--allnoconfig', 3054 config_devices_mak, '@DEPFILE@', '@INPUT@', 3055 host_kconfig, accel_kconfig, 3056 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y']) 3057 3058 config_devices_data = configuration_data() 3059 config_devices = keyval.load(config_devices_mak) 3060 foreach k, v: config_devices 3061 config_devices_data.set(k, 1) 3062 endforeach 3063 config_devices_mak_list += config_devices_mak 3064 config_devices_h += {target: configure_file(output: target + '-config-devices.h', 3065 configuration: config_devices_data)} 3066 config_target += config_devices 3067 config_all_devices += config_devices 3068 endif 3069 config_target_mak += {target: config_target} 3070endforeach 3071target_dirs = actual_target_dirs 3072 3073target_configs_h = [] 3074foreach target: target_dirs 3075 target_configs_h += config_target_h[target] 3076 target_configs_h += config_devices_h.get(target, []) 3077endforeach 3078genh += custom_target('config-poison.h', 3079 input: [target_configs_h], 3080 output: 'config-poison.h', 3081 capture: true, 3082 command: [find_program('scripts/make-config-poison.sh'), 3083 target_configs_h]) 3084 3085############### 3086# Subprojects # 3087############### 3088 3089libvfio_user_dep = not_found 3090if have_system and vfio_user_server_allowed 3091 libvfio_user_proj = subproject('libvfio-user', required: true) 3092 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep') 3093endif 3094 3095fdt = not_found 3096fdt_opt = get_option('fdt') 3097if fdt_required.length() > 0 or fdt_opt == 'enabled' 3098 if fdt_opt == 'disabled' 3099 error('fdt disabled but required by targets ' + ', '.join(fdt_required)) 3100 endif 3101 3102 if fdt_opt in ['enabled', 'auto', 'system'] 3103 if get_option('wrap_mode') == 'nodownload' 3104 fdt_opt = 'system' 3105 endif 3106 fdt = cc.find_library('fdt', required: fdt_opt == 'system') 3107 if fdt.found() and cc.links(''' 3108 #include <libfdt.h> 3109 #include <libfdt_env.h> 3110 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''', 3111 dependencies: fdt) 3112 fdt_opt = 'system' 3113 elif fdt_opt == 'system' 3114 error('system libfdt requested, but it is too old (1.5.1 or newer required)') 3115 else 3116 fdt_opt = 'internal' 3117 fdt = not_found 3118 endif 3119 endif 3120 if not fdt.found() 3121 assert(fdt_opt == 'internal') 3122 libfdt_proj = subproject('dtc', required: true, 3123 default_options: ['tools=false', 'yaml=disabled', 3124 'python=disabled', 'default_library=static']) 3125 fdt = libfdt_proj.get_variable('libfdt_dep') 3126 endif 3127else 3128 fdt_opt = 'disabled' 3129endif 3130 3131config_host_data.set('CONFIG_FDT', fdt.found()) 3132 3133vhost_user = not_found 3134if host_os == 'linux' and have_vhost_user 3135 libvhost_user = subproject('libvhost-user') 3136 vhost_user = libvhost_user.get_variable('vhost_user_dep') 3137endif 3138 3139libvduse = not_found 3140if have_libvduse 3141 libvduse_proj = subproject('libvduse') 3142 libvduse = libvduse_proj.get_variable('libvduse_dep') 3143endif 3144 3145##################### 3146# Generated sources # 3147##################### 3148 3149genh += configure_file(output: 'config-host.h', configuration: config_host_data) 3150 3151hxtool = find_program('scripts/hxtool') 3152shaderinclude = find_program('scripts/shaderinclude.py') 3153qapi_gen = find_program('scripts/qapi-gen.py') 3154qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py', 3155 meson.current_source_dir() / 'scripts/qapi/commands.py', 3156 meson.current_source_dir() / 'scripts/qapi/common.py', 3157 meson.current_source_dir() / 'scripts/qapi/error.py', 3158 meson.current_source_dir() / 'scripts/qapi/events.py', 3159 meson.current_source_dir() / 'scripts/qapi/expr.py', 3160 meson.current_source_dir() / 'scripts/qapi/gen.py', 3161 meson.current_source_dir() / 'scripts/qapi/introspect.py', 3162 meson.current_source_dir() / 'scripts/qapi/main.py', 3163 meson.current_source_dir() / 'scripts/qapi/parser.py', 3164 meson.current_source_dir() / 'scripts/qapi/schema.py', 3165 meson.current_source_dir() / 'scripts/qapi/source.py', 3166 meson.current_source_dir() / 'scripts/qapi/types.py', 3167 meson.current_source_dir() / 'scripts/qapi/visit.py', 3168 meson.current_source_dir() / 'scripts/qapi-gen.py' 3169] 3170 3171tracetool = [ 3172 python, files('scripts/tracetool.py'), 3173 '--backend=' + ','.join(get_option('trace_backends')) 3174] 3175tracetool_depends = files( 3176 'scripts/tracetool/backend/log.py', 3177 'scripts/tracetool/backend/__init__.py', 3178 'scripts/tracetool/backend/dtrace.py', 3179 'scripts/tracetool/backend/ftrace.py', 3180 'scripts/tracetool/backend/simple.py', 3181 'scripts/tracetool/backend/syslog.py', 3182 'scripts/tracetool/backend/ust.py', 3183 'scripts/tracetool/format/ust_events_c.py', 3184 'scripts/tracetool/format/ust_events_h.py', 3185 'scripts/tracetool/format/__init__.py', 3186 'scripts/tracetool/format/d.py', 3187 'scripts/tracetool/format/simpletrace_stap.py', 3188 'scripts/tracetool/format/c.py', 3189 'scripts/tracetool/format/h.py', 3190 'scripts/tracetool/format/log_stap.py', 3191 'scripts/tracetool/format/stap.py', 3192 'scripts/tracetool/__init__.py', 3193 'scripts/tracetool/vcpu.py' 3194) 3195 3196qemu_version_cmd = [find_program('scripts/qemu-version.sh'), 3197 meson.current_source_dir(), 3198 get_option('pkgversion'), meson.project_version()] 3199qemu_version = custom_target('qemu-version.h', 3200 output: 'qemu-version.h', 3201 command: qemu_version_cmd, 3202 capture: true, 3203 build_by_default: true, 3204 build_always_stale: true) 3205genh += qemu_version 3206 3207hxdep = [] 3208hx_headers = [ 3209 ['qemu-options.hx', 'qemu-options.def'], 3210 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'], 3211] 3212if have_system 3213 hx_headers += [ 3214 ['hmp-commands.hx', 'hmp-commands.h'], 3215 ['hmp-commands-info.hx', 'hmp-commands-info.h'], 3216 ] 3217endif 3218foreach d : hx_headers 3219 hxdep += custom_target(d[1], 3220 input: files(d[0]), 3221 output: d[1], 3222 capture: true, 3223 command: [hxtool, '-h', '@INPUT0@']) 3224endforeach 3225genh += hxdep 3226 3227############### 3228# Trace files # 3229############### 3230 3231# TODO: add each directory to the subdirs from its own meson.build, once 3232# we have those 3233trace_events_subdirs = [ 3234 'crypto', 3235 'qapi', 3236 'qom', 3237 'monitor', 3238 'util', 3239 'gdbstub', 3240] 3241if have_linux_user 3242 trace_events_subdirs += [ 'linux-user' ] 3243endif 3244if have_bsd_user 3245 trace_events_subdirs += [ 'bsd-user' ] 3246endif 3247if have_block 3248 trace_events_subdirs += [ 3249 'authz', 3250 'block', 3251 'io', 3252 'nbd', 3253 'scsi', 3254 ] 3255endif 3256if have_system 3257 trace_events_subdirs += [ 3258 'accel/kvm', 3259 'audio', 3260 'backends', 3261 'backends/tpm', 3262 'chardev', 3263 'ebpf', 3264 'hw/9pfs', 3265 'hw/acpi', 3266 'hw/adc', 3267 'hw/alpha', 3268 'hw/arm', 3269 'hw/audio', 3270 'hw/block', 3271 'hw/block/dataplane', 3272 'hw/char', 3273 'hw/display', 3274 'hw/dma', 3275 'hw/hyperv', 3276 'hw/i2c', 3277 'hw/i386', 3278 'hw/i386/xen', 3279 'hw/i386/kvm', 3280 'hw/ide', 3281 'hw/input', 3282 'hw/intc', 3283 'hw/isa', 3284 'hw/mem', 3285 'hw/mips', 3286 'hw/misc', 3287 'hw/misc/macio', 3288 'hw/net', 3289 'hw/net/can', 3290 'hw/nubus', 3291 'hw/nvme', 3292 'hw/nvram', 3293 'hw/pci', 3294 'hw/pci-host', 3295 'hw/ppc', 3296 'hw/rdma', 3297 'hw/rdma/vmw', 3298 'hw/rtc', 3299 'hw/s390x', 3300 'hw/scsi', 3301 'hw/sd', 3302 'hw/sh4', 3303 'hw/sparc', 3304 'hw/sparc64', 3305 'hw/ssi', 3306 'hw/timer', 3307 'hw/tpm', 3308 'hw/ufs', 3309 'hw/usb', 3310 'hw/vfio', 3311 'hw/virtio', 3312 'hw/watchdog', 3313 'hw/xen', 3314 'hw/gpio', 3315 'migration', 3316 'net', 3317 'system', 3318 'ui', 3319 'hw/remote', 3320 ] 3321endif 3322if have_system or have_user 3323 trace_events_subdirs += [ 3324 'accel/tcg', 3325 'hw/core', 3326 'target/arm', 3327 'target/arm/hvf', 3328 'target/hppa', 3329 'target/i386', 3330 'target/i386/kvm', 3331 'target/mips/tcg', 3332 'target/nios2', 3333 'target/ppc', 3334 'target/riscv', 3335 'target/s390x', 3336 'target/s390x/kvm', 3337 'target/sparc', 3338 ] 3339endif 3340 3341################### 3342# Collect sources # 3343################### 3344 3345authz_ss = ss.source_set() 3346blockdev_ss = ss.source_set() 3347block_ss = ss.source_set() 3348chardev_ss = ss.source_set() 3349common_ss = ss.source_set() 3350crypto_ss = ss.source_set() 3351hwcore_ss = ss.source_set() 3352io_ss = ss.source_set() 3353qmp_ss = ss.source_set() 3354qom_ss = ss.source_set() 3355system_ss = ss.source_set() 3356specific_fuzz_ss = ss.source_set() 3357specific_ss = ss.source_set() 3358stub_ss = ss.source_set() 3359trace_ss = ss.source_set() 3360user_ss = ss.source_set() 3361util_ss = ss.source_set() 3362 3363# accel modules 3364qtest_module_ss = ss.source_set() 3365tcg_module_ss = ss.source_set() 3366 3367modules = {} 3368target_modules = {} 3369hw_arch = {} 3370target_arch = {} 3371target_system_arch = {} 3372target_user_arch = {} 3373 3374# NOTE: the trace/ subdirectory needs the qapi_trace_events variable 3375# that is filled in by qapi/. 3376subdir('qapi') 3377subdir('qobject') 3378subdir('stubs') 3379subdir('trace') 3380subdir('util') 3381subdir('qom') 3382subdir('authz') 3383subdir('crypto') 3384subdir('ui') 3385subdir('hw') 3386subdir('gdbstub') 3387 3388if enable_modules 3389 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO') 3390 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO') 3391endif 3392 3393qom_ss = qom_ss.apply({}) 3394libqom = static_library('qom', qom_ss.sources() + genh, 3395 dependencies: [qom_ss.dependencies()], 3396 name_suffix: 'fa', 3397 build_by_default: false) 3398qom = declare_dependency(link_whole: libqom) 3399 3400event_loop_base = files('event-loop-base.c') 3401event_loop_base = static_library('event-loop-base', 3402 sources: event_loop_base + genh, 3403 name_suffix: 'fa', 3404 build_by_default: false) 3405event_loop_base = declare_dependency(link_whole: event_loop_base, 3406 dependencies: [qom]) 3407 3408stub_ss = stub_ss.apply({}) 3409 3410util_ss.add_all(trace_ss) 3411util_ss = util_ss.apply({}) 3412libqemuutil = static_library('qemuutil', 3413 build_by_default: false, 3414 sources: util_ss.sources() + stub_ss.sources() + genh, 3415 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman]) 3416qemuutil = declare_dependency(link_with: libqemuutil, 3417 sources: genh + version_res, 3418 dependencies: [event_loop_base]) 3419 3420if have_system or have_user 3421 decodetree = generator(find_program('scripts/decodetree.py'), 3422 output: 'decode-@BASENAME@.c.inc', 3423 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@']) 3424 subdir('libdecnumber') 3425 subdir('target') 3426endif 3427 3428subdir('audio') 3429subdir('io') 3430subdir('chardev') 3431subdir('fsdev') 3432subdir('dump') 3433 3434if have_block 3435 block_ss.add(files( 3436 'block.c', 3437 'blockjob.c', 3438 'job.c', 3439 'qemu-io-cmds.c', 3440 )) 3441 if config_host_data.get('CONFIG_REPLICATION') 3442 block_ss.add(files('replication.c')) 3443 endif 3444 3445 subdir('nbd') 3446 subdir('scsi') 3447 subdir('block') 3448 3449 blockdev_ss.add(files( 3450 'blockdev.c', 3451 'blockdev-nbd.c', 3452 'iothread.c', 3453 'job-qmp.c', 3454 ), gnutls) 3455 3456 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon, 3457 # os-win32.c does not 3458 if host_os == 'windows' 3459 system_ss.add(files('os-win32.c')) 3460 else 3461 blockdev_ss.add(files('os-posix.c')) 3462 endif 3463endif 3464 3465common_ss.add(files('cpu-common.c')) 3466specific_ss.add(files('cpu-target.c')) 3467 3468subdir('system') 3469 3470# Work around a gcc bug/misfeature wherein constant propagation looks 3471# through an alias: 3472# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696 3473# to guess that a const variable is always zero. Without lto, this is 3474# impossible, as the alias is restricted to page-vary-common.c. Indeed, 3475# without lto, not even the alias is required -- we simply use different 3476# declarations in different compilation units. 3477pagevary = files('page-vary-common.c') 3478if get_option('b_lto') 3479 pagevary_flags = ['-fno-lto'] 3480 if get_option('cfi') 3481 pagevary_flags += '-fno-sanitize=cfi-icall' 3482 endif 3483 pagevary = static_library('page-vary-common', sources: pagevary + genh, 3484 c_args: pagevary_flags) 3485 pagevary = declare_dependency(link_with: pagevary) 3486endif 3487common_ss.add(pagevary) 3488specific_ss.add(files('page-vary-target.c')) 3489 3490subdir('backends') 3491subdir('disas') 3492subdir('migration') 3493subdir('monitor') 3494subdir('net') 3495subdir('replay') 3496subdir('semihosting') 3497subdir('stats') 3498subdir('tcg') 3499subdir('fpu') 3500subdir('accel') 3501subdir('plugins') 3502subdir('ebpf') 3503 3504common_user_inc = [] 3505 3506subdir('common-user') 3507subdir('bsd-user') 3508subdir('linux-user') 3509 3510# needed for fuzzing binaries 3511subdir('tests/qtest/libqos') 3512subdir('tests/qtest/fuzz') 3513 3514# accel modules 3515tcg_real_module_ss = ss.source_set() 3516tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss) 3517specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss) 3518target_modules += { 'accel' : { 'qtest': qtest_module_ss, 3519 'tcg': tcg_real_module_ss }} 3520 3521############################################## 3522# Internal static_libraries and dependencies # 3523############################################## 3524 3525modinfo_collect = find_program('scripts/modinfo-collect.py') 3526modinfo_generate = find_program('scripts/modinfo-generate.py') 3527modinfo_files = [] 3528 3529block_mods = [] 3530system_mods = [] 3531foreach d, list : modules 3532 if not (d == 'block' ? have_block : have_system) 3533 continue 3534 endif 3535 3536 foreach m, module_ss : list 3537 if enable_modules 3538 module_ss = module_ss.apply(config_all_devices, strict: false) 3539 sl = static_library(d + '-' + m, [genh, module_ss.sources()], 3540 dependencies: [modulecommon, module_ss.dependencies()], pic: true) 3541 if d == 'block' 3542 block_mods += sl 3543 else 3544 system_mods += sl 3545 endif 3546 if module_ss.sources() != [] 3547 # FIXME: Should use sl.extract_all_objects(recursive: true) as 3548 # input. Sources can be used multiple times but objects are 3549 # unique when it comes to lookup in compile_commands.json. 3550 # Depnds on a mesion version with 3551 # https://github.com/mesonbuild/meson/pull/8900 3552 modinfo_files += custom_target(d + '-' + m + '.modinfo', 3553 output: d + '-' + m + '.modinfo', 3554 input: module_ss.sources() + genh, 3555 capture: true, 3556 command: [modinfo_collect, module_ss.sources()]) 3557 endif 3558 else 3559 if d == 'block' 3560 block_ss.add_all(module_ss) 3561 else 3562 system_ss.add_all(module_ss) 3563 endif 3564 endif 3565 endforeach 3566endforeach 3567 3568foreach d, list : target_modules 3569 foreach m, module_ss : list 3570 if enable_modules 3571 foreach target : target_dirs 3572 if target.endswith('-softmmu') 3573 config_target = config_target_mak[target] 3574 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])] 3575 c_args = ['-DNEED_CPU_H', 3576 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target), 3577 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)] 3578 target_module_ss = module_ss.apply(config_target, strict: false) 3579 if target_module_ss.sources() != [] 3580 module_name = d + '-' + m + '-' + config_target['TARGET_NAME'] 3581 sl = static_library(module_name, 3582 [genh, target_module_ss.sources()], 3583 dependencies: [modulecommon, target_module_ss.dependencies()], 3584 include_directories: target_inc, 3585 c_args: c_args, 3586 pic: true) 3587 system_mods += sl 3588 # FIXME: Should use sl.extract_all_objects(recursive: true) too. 3589 modinfo_files += custom_target(module_name + '.modinfo', 3590 output: module_name + '.modinfo', 3591 input: target_module_ss.sources() + genh, 3592 capture: true, 3593 command: [modinfo_collect, '--target', target, target_module_ss.sources()]) 3594 endif 3595 endif 3596 endforeach 3597 else 3598 specific_ss.add_all(module_ss) 3599 endif 3600 endforeach 3601endforeach 3602 3603if enable_modules 3604 foreach target : target_dirs 3605 if target.endswith('-softmmu') 3606 config_target = config_target_mak[target] 3607 config_devices_mak = target + '-config-devices.mak' 3608 modinfo_src = custom_target('modinfo-' + target + '.c', 3609 output: 'modinfo-' + target + '.c', 3610 input: modinfo_files, 3611 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'], 3612 capture: true) 3613 3614 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src) 3615 modinfo_dep = declare_dependency(link_with: modinfo_lib) 3616 3617 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH'] 3618 hw_arch[arch].add(modinfo_dep) 3619 endif 3620 endforeach 3621endif 3622 3623nm = find_program('nm') 3624undefsym = find_program('scripts/undefsym.py') 3625block_syms = custom_target('block.syms', output: 'block.syms', 3626 input: [libqemuutil, block_mods], 3627 capture: true, 3628 command: [undefsym, nm, '@INPUT@']) 3629qemu_syms = custom_target('qemu.syms', output: 'qemu.syms', 3630 input: [libqemuutil, system_mods], 3631 capture: true, 3632 command: [undefsym, nm, '@INPUT@']) 3633 3634authz_ss = authz_ss.apply({}) 3635libauthz = static_library('authz', authz_ss.sources() + genh, 3636 dependencies: [authz_ss.dependencies()], 3637 name_suffix: 'fa', 3638 build_by_default: false) 3639 3640authz = declare_dependency(link_whole: libauthz, 3641 dependencies: qom) 3642 3643crypto_ss = crypto_ss.apply({}) 3644libcrypto = static_library('crypto', crypto_ss.sources() + genh, 3645 dependencies: [crypto_ss.dependencies()], 3646 name_suffix: 'fa', 3647 build_by_default: false) 3648 3649crypto = declare_dependency(link_whole: libcrypto, 3650 dependencies: [authz, qom]) 3651 3652io_ss = io_ss.apply({}) 3653libio = static_library('io', io_ss.sources() + genh, 3654 dependencies: [io_ss.dependencies()], 3655 link_with: libqemuutil, 3656 name_suffix: 'fa', 3657 build_by_default: false) 3658 3659io = declare_dependency(link_whole: libio, dependencies: [crypto, qom]) 3660 3661libmigration = static_library('migration', sources: migration_files + genh, 3662 name_suffix: 'fa', 3663 build_by_default: false) 3664migration = declare_dependency(link_with: libmigration, 3665 dependencies: [zlib, qom, io]) 3666system_ss.add(migration) 3667 3668block_ss = block_ss.apply({}) 3669libblock = static_library('block', block_ss.sources() + genh, 3670 dependencies: block_ss.dependencies(), 3671 link_depends: block_syms, 3672 name_suffix: 'fa', 3673 build_by_default: false) 3674 3675block = declare_dependency(link_whole: [libblock], 3676 link_args: '@block.syms', 3677 dependencies: [crypto, io]) 3678 3679blockdev_ss = blockdev_ss.apply({}) 3680libblockdev = static_library('blockdev', blockdev_ss.sources() + genh, 3681 dependencies: blockdev_ss.dependencies(), 3682 name_suffix: 'fa', 3683 build_by_default: false) 3684 3685blockdev = declare_dependency(link_whole: [libblockdev], 3686 dependencies: [block, event_loop_base]) 3687 3688qmp_ss = qmp_ss.apply({}) 3689libqmp = static_library('qmp', qmp_ss.sources() + genh, 3690 dependencies: qmp_ss.dependencies(), 3691 name_suffix: 'fa', 3692 build_by_default: false) 3693 3694qmp = declare_dependency(link_whole: [libqmp]) 3695 3696libchardev = static_library('chardev', chardev_ss.sources() + genh, 3697 name_suffix: 'fa', 3698 dependencies: chardev_ss.dependencies(), 3699 build_by_default: false) 3700 3701chardev = declare_dependency(link_whole: libchardev) 3702 3703hwcore_ss = hwcore_ss.apply({}) 3704libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh, 3705 name_suffix: 'fa', 3706 build_by_default: false) 3707hwcore = declare_dependency(link_whole: libhwcore) 3708common_ss.add(hwcore) 3709 3710########### 3711# Targets # 3712########### 3713 3714emulator_modules = [] 3715foreach m : block_mods + system_mods 3716 emulator_modules += shared_module(m.name(), 3717 build_by_default: true, 3718 name_prefix: '', 3719 link_whole: m, 3720 install: true, 3721 install_dir: qemu_moddir) 3722endforeach 3723if emulator_modules.length() > 0 3724 alias_target('modules', emulator_modules) 3725endif 3726 3727system_ss.add(authz, blockdev, chardev, crypto, io, qmp) 3728common_ss.add(qom, qemuutil) 3729 3730common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss]) 3731common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss) 3732 3733# Note that this library is never used directly (only through extract_objects) 3734# and is not built by default; therefore, source files not used by the build 3735# configuration will be in build.ninja, but are never built by default. 3736common_all = static_library('common', 3737 build_by_default: false, 3738 sources: common_ss.all_sources() + genh, 3739 include_directories: common_user_inc, 3740 implicit_include_directories: false, 3741 dependencies: common_ss.all_dependencies(), 3742 name_suffix: 'fa') 3743 3744feature_to_c = find_program('scripts/feature_to_c.py') 3745 3746if host_os == 'darwin' 3747 entitlement = find_program('scripts/entitlement.sh') 3748endif 3749 3750emulators = {} 3751foreach target : target_dirs 3752 config_target = config_target_mak[target] 3753 target_name = config_target['TARGET_NAME'] 3754 target_base_arch = config_target['TARGET_BASE_ARCH'] 3755 arch_srcs = [config_target_h[target]] 3756 arch_deps = [] 3757 c_args = ['-DNEED_CPU_H', 3758 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target), 3759 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)] 3760 link_args = emulator_link_args 3761 3762 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])] 3763 if host_os == 'linux' 3764 target_inc += include_directories('linux-headers', is_system: true) 3765 endif 3766 if target.endswith('-softmmu') 3767 target_type='system' 3768 t = target_system_arch[target_base_arch].apply(config_target, strict: false) 3769 arch_srcs += t.sources() 3770 arch_deps += t.dependencies() 3771 3772 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch 3773 if hw_arch.has_key(hw_dir) 3774 hw = hw_arch[hw_dir].apply(config_target, strict: false) 3775 arch_srcs += hw.sources() 3776 arch_deps += hw.dependencies() 3777 endif 3778 3779 arch_srcs += config_devices_h[target] 3780 link_args += ['@block.syms', '@qemu.syms'] 3781 else 3782 abi = config_target['TARGET_ABI_DIR'] 3783 target_type='user' 3784 target_inc += common_user_inc 3785 if target_base_arch in target_user_arch 3786 t = target_user_arch[target_base_arch].apply(config_target, strict: false) 3787 arch_srcs += t.sources() 3788 arch_deps += t.dependencies() 3789 endif 3790 if 'CONFIG_LINUX_USER' in config_target 3791 base_dir = 'linux-user' 3792 endif 3793 if 'CONFIG_BSD_USER' in config_target 3794 base_dir = 'bsd-user' 3795 target_inc += include_directories('bsd-user/' / host_os) 3796 target_inc += include_directories('bsd-user/host/' / host_arch) 3797 dir = base_dir / abi 3798 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c') 3799 endif 3800 target_inc += include_directories( 3801 base_dir, 3802 base_dir / abi, 3803 ) 3804 if 'CONFIG_LINUX_USER' in config_target 3805 dir = base_dir / abi 3806 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c') 3807 if config_target.has_key('TARGET_SYSTBL_ABI') 3808 arch_srcs += \ 3809 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'], 3810 extra_args : config_target['TARGET_SYSTBL_ABI']) 3811 endif 3812 endif 3813 endif 3814 3815 if 'TARGET_XML_FILES' in config_target 3816 gdbstub_xml = custom_target(target + '-gdbstub-xml.c', 3817 output: target + '-gdbstub-xml.c', 3818 input: files(config_target['TARGET_XML_FILES'].split()), 3819 command: [feature_to_c, '@INPUT@'], 3820 capture: true) 3821 arch_srcs += gdbstub_xml 3822 endif 3823 3824 t = target_arch[target_base_arch].apply(config_target, strict: false) 3825 arch_srcs += t.sources() 3826 arch_deps += t.dependencies() 3827 3828 target_common = common_ss.apply(config_target, strict: false) 3829 objects = common_all.extract_objects(target_common.sources()) 3830 deps = target_common.dependencies() 3831 3832 target_specific = specific_ss.apply(config_target, strict: false) 3833 arch_srcs += target_specific.sources() 3834 arch_deps += target_specific.dependencies() 3835 3836 lib = static_library('qemu-' + target, 3837 sources: arch_srcs + genh, 3838 dependencies: arch_deps, 3839 objects: objects, 3840 include_directories: target_inc, 3841 c_args: c_args, 3842 build_by_default: false, 3843 name_suffix: 'fa') 3844 3845 if target.endswith('-softmmu') 3846 execs = [{ 3847 'name': 'qemu-system-' + target_name, 3848 'win_subsystem': 'console', 3849 'sources': files('system/main.c'), 3850 'dependencies': [] 3851 }] 3852 if host_os == 'windows' and (sdl.found() or gtk.found()) 3853 execs += [{ 3854 'name': 'qemu-system-' + target_name + 'w', 3855 'win_subsystem': 'windows', 3856 'sources': files('system/main.c'), 3857 'dependencies': [] 3858 }] 3859 endif 3860 if get_option('fuzzing') 3861 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false) 3862 execs += [{ 3863 'name': 'qemu-fuzz-' + target_name, 3864 'win_subsystem': 'console', 3865 'sources': specific_fuzz.sources(), 3866 'dependencies': specific_fuzz.dependencies(), 3867 }] 3868 endif 3869 else 3870 execs = [{ 3871 'name': 'qemu-' + target_name, 3872 'win_subsystem': 'console', 3873 'sources': [], 3874 'dependencies': [] 3875 }] 3876 endif 3877 foreach exe: execs 3878 exe_name = exe['name'] 3879 if host_os == 'darwin' 3880 exe_name += '-unsigned' 3881 endif 3882 3883 emulator = executable(exe_name, exe['sources'], 3884 install: true, 3885 c_args: c_args, 3886 dependencies: arch_deps + deps + exe['dependencies'], 3887 objects: lib.extract_all_objects(recursive: true), 3888 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []), 3889 link_args: link_args, 3890 win_subsystem: exe['win_subsystem']) 3891 3892 if host_os == 'darwin' 3893 icon = 'pc-bios/qemu.rsrc' 3894 build_input = [emulator, files(icon)] 3895 install_input = [ 3896 get_option('bindir') / exe_name, 3897 meson.current_source_dir() / icon 3898 ] 3899 if 'CONFIG_HVF' in config_target 3900 entitlements = 'accel/hvf/entitlements.plist' 3901 build_input += files(entitlements) 3902 install_input += meson.current_source_dir() / entitlements 3903 endif 3904 3905 emulators += {exe['name'] : custom_target(exe['name'], 3906 input: build_input, 3907 output: exe['name'], 3908 command: [entitlement, '@OUTPUT@', '@INPUT@']) 3909 } 3910 3911 meson.add_install_script(entitlement, '--install', 3912 get_option('bindir') / exe['name'], 3913 install_input) 3914 else 3915 emulators += {exe['name']: emulator} 3916 endif 3917 3918 if stap.found() 3919 foreach stp: [ 3920 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false}, 3921 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true}, 3922 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true}, 3923 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true}, 3924 ] 3925 custom_target(exe['name'] + stp['ext'], 3926 input: trace_events_all, 3927 output: exe['name'] + stp['ext'], 3928 install: stp['install'], 3929 install_dir: get_option('datadir') / 'systemtap/tapset', 3930 command: [ 3931 tracetool, '--group=all', '--format=' + stp['fmt'], 3932 '--binary=' + stp['bin'], 3933 '--target-name=' + target_name, 3934 '--target-type=' + target_type, 3935 '--probe-prefix=qemu.' + target_type + '.' + target_name, 3936 '@INPUT@', '@OUTPUT@' 3937 ], 3938 depend_files: tracetool_depends) 3939 endforeach 3940 endif 3941 endforeach 3942endforeach 3943 3944# Other build targets 3945 3946if get_option('plugins') 3947 install_headers('include/qemu/qemu-plugin.h') 3948 if host_os == 'windows' 3949 # On windows, we want to deliver the qemu_plugin_api.lib file in the qemu installer, 3950 # so that plugin authors can compile against it. 3951 install_data(win32_qemu_plugin_api_lib, install_dir: 'lib') 3952 endif 3953endif 3954 3955subdir('qga') 3956 3957# Don't build qemu-keymap if xkbcommon is not explicitly enabled 3958# when we don't build tools or system 3959if xkbcommon.found() 3960 # used for the update-keymaps target, so include rules even if !have_tools 3961 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh, 3962 dependencies: [qemuutil, xkbcommon], install: have_tools) 3963endif 3964 3965if have_tools 3966 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep], 3967 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true) 3968 qemu_io = executable('qemu-io', files('qemu-io.c'), 3969 dependencies: [block, qemuutil], install: true) 3970 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'), 3971 dependencies: [blockdev, qemuutil, gnutls, selinux], 3972 install: true) 3973 3974 subdir('storage-daemon') 3975 subdir('contrib/rdmacm-mux') 3976 subdir('contrib/elf2dmp') 3977 3978 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'), 3979 dependencies: qemuutil, 3980 install: true) 3981 3982 if have_vhost_user 3983 subdir('contrib/vhost-user-blk') 3984 subdir('contrib/vhost-user-gpu') 3985 subdir('contrib/vhost-user-input') 3986 subdir('contrib/vhost-user-scsi') 3987 endif 3988 3989 if host_os == 'linux' 3990 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'), 3991 dependencies: [qemuutil, libcap_ng], 3992 install: true, 3993 install_dir: get_option('libexecdir')) 3994 3995 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'), 3996 dependencies: [authz, crypto, io, qom, qemuutil, 3997 libcap_ng, mpathpersist], 3998 install: true) 3999 endif 4000 4001 if have_ivshmem 4002 subdir('contrib/ivshmem-client') 4003 subdir('contrib/ivshmem-server') 4004 endif 4005endif 4006 4007subdir('scripts') 4008subdir('tools') 4009subdir('pc-bios') 4010subdir('docs') 4011subdir('tests') 4012if gtk.found() 4013 subdir('po') 4014endif 4015 4016if host_machine.system() == 'windows' 4017 nsis_cmd = [ 4018 find_program('scripts/nsis.py'), 4019 '@OUTPUT@', 4020 get_option('prefix'), 4021 meson.current_source_dir(), 4022 glib_pc.get_variable('bindir'), 4023 host_machine.cpu(), 4024 '--', 4025 '-DDISPLAYVERSION=' + meson.project_version(), 4026 ] 4027 if build_docs 4028 nsis_cmd += '-DCONFIG_DOCUMENTATION=y' 4029 endif 4030 if gtk.found() 4031 nsis_cmd += '-DCONFIG_GTK=y' 4032 endif 4033 4034 nsis = custom_target('nsis', 4035 output: 'qemu-setup-' + meson.project_version() + '.exe', 4036 input: files('qemu.nsi'), 4037 build_always_stale: true, 4038 command: nsis_cmd + ['@INPUT@']) 4039 alias_target('installer', nsis) 4040endif 4041 4042######################### 4043# Configuration summary # 4044######################### 4045 4046# Build environment 4047summary_info = {} 4048summary_info += {'Build directory': meson.current_build_dir()} 4049summary_info += {'Source path': meson.current_source_dir()} 4050summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'} 4051summary(summary_info, bool_yn: true, section: 'Build environment') 4052 4053# Directories 4054summary_info += {'Install prefix': get_option('prefix')} 4055summary_info += {'BIOS directory': qemu_datadir} 4056pathsep = host_os == 'windows' ? ';' : ':' 4057summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))} 4058summary_info += {'binary directory': get_option('prefix') / get_option('bindir')} 4059summary_info += {'library directory': get_option('prefix') / get_option('libdir')} 4060summary_info += {'module directory': qemu_moddir} 4061summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')} 4062summary_info += {'include directory': get_option('prefix') / get_option('includedir')} 4063summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')} 4064if host_os != 'windows' 4065 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')} 4066 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')} 4067else 4068 summary_info += {'local state directory': 'queried at runtime'} 4069endif 4070summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')} 4071summary(summary_info, bool_yn: true, section: 'Directories') 4072 4073# Host binaries 4074summary_info = {} 4075summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())} 4076summary_info += {'sphinx-build': sphinx_build} 4077 4078# FIXME: the [binaries] section of machine files, which can be probed 4079# with find_program(), would be great for passing gdb and genisoimage 4080# paths from configure to Meson. However, there seems to be no way to 4081# hide a program (for example if gdb is too old). 4082if config_host.has_key('GDB') 4083 summary_info += {'gdb': config_host['GDB']} 4084endif 4085summary_info += {'iasl': iasl} 4086summary_info += {'genisoimage': config_host['GENISOIMAGE']} 4087if host_os == 'windows' and have_ga 4088 summary_info += {'wixl': wixl} 4089endif 4090if slirp.found() and have_system 4091 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false} 4092endif 4093summary(summary_info, bool_yn: true, section: 'Host binaries') 4094 4095# Configurable features 4096summary_info = {} 4097summary_info += {'Documentation': build_docs} 4098summary_info += {'system-mode emulation': have_system} 4099summary_info += {'user-mode emulation': have_user} 4100summary_info += {'block layer': have_block} 4101summary_info += {'Install blobs': get_option('install_blobs')} 4102summary_info += {'module support': enable_modules} 4103if enable_modules 4104 summary_info += {'alternative module path': get_option('module_upgrades')} 4105endif 4106summary_info += {'fuzzing support': get_option('fuzzing')} 4107if have_system 4108 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)} 4109endif 4110summary_info += {'Trace backends': ','.join(get_option('trace_backends'))} 4111if 'simple' in get_option('trace_backends') 4112 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'} 4113endif 4114summary_info += {'D-Bus display': dbus_display} 4115summary_info += {'QOM debugging': get_option('qom_cast_debug')} 4116summary_info += {'Relocatable install': get_option('relocatable')} 4117summary_info += {'vhost-kernel support': have_vhost_kernel} 4118summary_info += {'vhost-net support': have_vhost_net} 4119summary_info += {'vhost-user support': have_vhost_user} 4120summary_info += {'vhost-user-crypto support': have_vhost_user_crypto} 4121summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server} 4122summary_info += {'vhost-vdpa support': have_vhost_vdpa} 4123summary_info += {'build guest agent': have_ga} 4124summary(summary_info, bool_yn: true, section: 'Configurable features') 4125 4126# Compilation information 4127summary_info = {} 4128summary_info += {'host CPU': cpu} 4129summary_info += {'host endianness': build_machine.endian()} 4130summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())} 4131summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())} 4132if 'cpp' in all_languages 4133 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())} 4134else 4135 summary_info += {'C++ compiler': false} 4136endif 4137if 'objc' in all_languages 4138 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())} 4139else 4140 summary_info += {'Objective-C compiler': false} 4141endif 4142option_cflags = (get_option('debug') ? ['-g'] : []) 4143if get_option('optimization') != 'plain' 4144 option_cflags += ['-O' + get_option('optimization')] 4145endif 4146summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)} 4147if 'cpp' in all_languages 4148 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)} 4149endif 4150if 'objc' in all_languages 4151 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)} 4152endif 4153link_args = get_option('c_link_args') 4154if link_args.length() > 0 4155 summary_info += {'LDFLAGS': ' '.join(link_args)} 4156endif 4157summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)} 4158if 'cpp' in all_languages 4159 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)} 4160endif 4161if 'objc' in all_languages 4162 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)} 4163endif 4164summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)} 4165summary_info += {'link-time optimization (LTO)': get_option('b_lto')} 4166summary_info += {'PIE': get_option('b_pie')} 4167summary_info += {'static build': get_option('prefer_static')} 4168summary_info += {'malloc trim support': has_malloc_trim} 4169summary_info += {'membarrier': have_membarrier} 4170summary_info += {'debug graph lock': get_option('debug_graph_lock')} 4171summary_info += {'debug stack usage': get_option('debug_stack_usage')} 4172summary_info += {'mutex debugging': get_option('debug_mutex')} 4173summary_info += {'memory allocator': get_option('malloc')} 4174summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')} 4175summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')} 4176summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')} 4177summary_info += {'gcov': get_option('b_coverage')} 4178summary_info += {'thread sanitizer': get_option('tsan')} 4179summary_info += {'CFI support': get_option('cfi')} 4180if get_option('cfi') 4181 summary_info += {'CFI debug support': get_option('cfi_debug')} 4182endif 4183summary_info += {'strip binaries': get_option('strip')} 4184summary_info += {'sparse': sparse} 4185summary_info += {'mingw32 support': host_os == 'windows'} 4186summary(summary_info, bool_yn: true, section: 'Compilation') 4187 4188# snarf the cross-compilation information for tests 4189summary_info = {} 4190have_cross = false 4191foreach target: target_dirs 4192 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak' 4193 if fs.exists(tcg_mak) 4194 config_cross_tcg = keyval.load(tcg_mak) 4195 if 'CC' in config_cross_tcg 4196 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']} 4197 have_cross = true 4198 endif 4199 endif 4200endforeach 4201if have_cross 4202 summary(summary_info, bool_yn: true, section: 'Cross compilers') 4203endif 4204 4205# Targets and accelerators 4206summary_info = {} 4207if have_system 4208 summary_info += {'KVM support': config_all_accel.has_key('CONFIG_KVM')} 4209 summary_info += {'HVF support': config_all_accel.has_key('CONFIG_HVF')} 4210 summary_info += {'WHPX support': config_all_accel.has_key('CONFIG_WHPX')} 4211 summary_info += {'NVMM support': config_all_accel.has_key('CONFIG_NVMM')} 4212 summary_info += {'Xen support': xen.found()} 4213 if xen.found() 4214 summary_info += {'xen ctrl version': xen.version()} 4215 endif 4216 summary_info += {'Xen emulation': config_all_devices.has_key('CONFIG_XEN_EMU')} 4217endif 4218summary_info += {'TCG support': config_all_accel.has_key('CONFIG_TCG')} 4219if config_all_accel.has_key('CONFIG_TCG') 4220 if get_option('tcg_interpreter') 4221 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'} 4222 else 4223 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)} 4224 endif 4225 summary_info += {'TCG plugins': get_option('plugins')} 4226 summary_info += {'TCG debug enabled': get_option('debug_tcg')} 4227endif 4228summary_info += {'target list': ' '.join(target_dirs)} 4229if have_system 4230 summary_info += {'default devices': get_option('default_devices')} 4231 summary_info += {'out of process emulation': multiprocess_allowed} 4232 summary_info += {'vfio-user server': vfio_user_server_allowed} 4233endif 4234summary(summary_info, bool_yn: true, section: 'Targets and accelerators') 4235 4236# Block layer 4237summary_info = {} 4238summary_info += {'coroutine backend': coroutine_backend} 4239summary_info += {'coroutine pool': have_coroutine_pool} 4240if have_block 4241 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')} 4242 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')} 4243 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')} 4244 summary_info += {'VirtFS (9P) support': have_virtfs} 4245 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper} 4246 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')} 4247 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')} 4248 summary_info += {'bochs support': get_option('bochs').allowed()} 4249 summary_info += {'cloop support': get_option('cloop').allowed()} 4250 summary_info += {'dmg support': get_option('dmg').allowed()} 4251 summary_info += {'qcow v1 support': get_option('qcow1').allowed()} 4252 summary_info += {'vdi support': get_option('vdi').allowed()} 4253 summary_info += {'vhdx support': get_option('vhdx').allowed()} 4254 summary_info += {'vmdk support': get_option('vmdk').allowed()} 4255 summary_info += {'vpc support': get_option('vpc').allowed()} 4256 summary_info += {'vvfat support': get_option('vvfat').allowed()} 4257 summary_info += {'qed support': get_option('qed').allowed()} 4258 summary_info += {'parallels support': get_option('parallels').allowed()} 4259 summary_info += {'FUSE exports': fuse} 4260 summary_info += {'VDUSE block exports': have_vduse_blk_export} 4261endif 4262summary(summary_info, bool_yn: true, section: 'Block layer support') 4263 4264# Crypto 4265summary_info = {} 4266summary_info += {'TLS priority': get_option('tls_priority')} 4267summary_info += {'GNUTLS support': gnutls} 4268if gnutls.found() 4269 summary_info += {' GNUTLS crypto': gnutls_crypto.found()} 4270endif 4271summary_info += {'libgcrypt': gcrypt} 4272summary_info += {'nettle': nettle} 4273if nettle.found() 4274 summary_info += {' XTS': xts != 'private'} 4275endif 4276summary_info += {'AF_ALG support': have_afalg} 4277summary_info += {'rng-none': get_option('rng_none')} 4278summary_info += {'Linux keyring': have_keyring} 4279summary_info += {'Linux keyutils': keyutils} 4280summary(summary_info, bool_yn: true, section: 'Crypto') 4281 4282# UI 4283summary_info = {} 4284if host_os == 'darwin' 4285 summary_info += {'Cocoa support': cocoa} 4286endif 4287summary_info += {'SDL support': sdl} 4288summary_info += {'SDL image support': sdl_image} 4289summary_info += {'GTK support': gtk} 4290summary_info += {'pixman': pixman} 4291summary_info += {'VTE support': vte} 4292summary_info += {'PNG support': png} 4293summary_info += {'VNC support': vnc} 4294if vnc.found() 4295 summary_info += {'VNC SASL support': sasl} 4296 summary_info += {'VNC JPEG support': jpeg} 4297endif 4298summary_info += {'spice protocol support': spice_protocol} 4299if spice_protocol.found() 4300 summary_info += {' spice server support': spice} 4301endif 4302summary_info += {'curses support': curses} 4303summary_info += {'brlapi support': brlapi} 4304summary(summary_info, bool_yn: true, section: 'User interface') 4305 4306# Graphics backends 4307summary_info = {} 4308summary_info += {'VirGL support': virgl} 4309summary_info += {'Rutabaga support': rutabaga} 4310summary(summary_info, bool_yn: true, section: 'Graphics backends') 4311 4312# Audio backends 4313summary_info = {} 4314if host_os not in ['darwin', 'haiku', 'windows'] 4315 summary_info += {'OSS support': oss} 4316 summary_info += {'sndio support': sndio} 4317elif host_os == 'darwin' 4318 summary_info += {'CoreAudio support': coreaudio} 4319elif host_os == 'windows' 4320 summary_info += {'DirectSound support': dsound} 4321endif 4322if host_os == 'linux' 4323 summary_info += {'ALSA support': alsa} 4324 summary_info += {'PulseAudio support': pulse} 4325endif 4326summary_info += {'PipeWire support': pipewire} 4327summary_info += {'JACK support': jack} 4328summary(summary_info, bool_yn: true, section: 'Audio backends') 4329 4330# Network backends 4331summary_info = {} 4332if host_os == 'darwin' 4333 summary_info += {'vmnet.framework support': vmnet} 4334endif 4335summary_info += {'AF_XDP support': libxdp} 4336summary_info += {'slirp support': slirp} 4337summary_info += {'vde support': vde} 4338summary_info += {'netmap support': have_netmap} 4339summary_info += {'l2tpv3 support': have_l2tpv3} 4340summary(summary_info, bool_yn: true, section: 'Network backends') 4341 4342# Libraries 4343summary_info = {} 4344summary_info += {'libtasn1': tasn1} 4345summary_info += {'PAM': pam} 4346summary_info += {'iconv support': iconv} 4347summary_info += {'blkio support': blkio} 4348summary_info += {'curl support': curl} 4349summary_info += {'Multipath support': mpathpersist} 4350summary_info += {'Linux AIO support': libaio} 4351summary_info += {'Linux io_uring support': linux_io_uring} 4352summary_info += {'ATTR/XATTR support': libattr} 4353summary_info += {'RDMA support': rdma} 4354summary_info += {'PVRDMA support': have_pvrdma} 4355summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt} 4356summary_info += {'libcap-ng support': libcap_ng} 4357summary_info += {'bpf support': libbpf} 4358summary_info += {'rbd support': rbd} 4359summary_info += {'smartcard support': cacard} 4360summary_info += {'U2F support': u2f} 4361summary_info += {'libusb': libusb} 4362summary_info += {'usb net redir': usbredir} 4363summary_info += {'OpenGL support (epoxy)': opengl} 4364summary_info += {'GBM': gbm} 4365summary_info += {'libiscsi support': libiscsi} 4366summary_info += {'libnfs support': libnfs} 4367if host_os == 'windows' 4368 if have_ga 4369 summary_info += {'QGA VSS support': have_qga_vss} 4370 endif 4371endif 4372summary_info += {'seccomp support': seccomp} 4373summary_info += {'GlusterFS support': glusterfs} 4374summary_info += {'hv-balloon support': hv_balloon} 4375summary_info += {'TPM support': have_tpm} 4376summary_info += {'libssh support': libssh} 4377summary_info += {'lzo support': lzo} 4378summary_info += {'snappy support': snappy} 4379summary_info += {'bzip2 support': libbzip2} 4380summary_info += {'lzfse support': liblzfse} 4381summary_info += {'zstd support': zstd} 4382summary_info += {'NUMA host support': numa} 4383summary_info += {'capstone': capstone} 4384summary_info += {'libpmem support': libpmem} 4385summary_info += {'libdaxctl support': libdaxctl} 4386summary_info += {'libudev': libudev} 4387# Dummy dependency, keep .found() 4388summary_info += {'FUSE lseek': fuse_lseek.found()} 4389summary_info += {'selinux': selinux} 4390summary_info += {'libdw': libdw} 4391summary(summary_info, bool_yn: true, section: 'Dependencies') 4392 4393if host_arch == 'unknown' 4394 message() 4395 warning('UNSUPPORTED HOST CPU') 4396 message() 4397 message('Support for CPU host architecture ' + cpu + ' is not currently') 4398 message('maintained. The QEMU project does not guarantee that QEMU will') 4399 message('compile or work on this host CPU. You can help by volunteering') 4400 message('to maintain it and providing a build host for our continuous') 4401 message('integration setup.') 4402 if get_option('tcg').allowed() and target_dirs.length() > 0 4403 message() 4404 message('configure has succeeded and you can continue to build, but') 4405 message('QEMU will use a slow interpreter to emulate the target CPU.') 4406 endif 4407endif 4408 4409if not supported_oses.contains(host_os) 4410 message() 4411 warning('UNSUPPORTED HOST OS') 4412 message() 4413 message('Support for host OS ' + host_os + 'is not currently maintained.') 4414 message('configure has succeeded and you can continue to build, but') 4415 message('the QEMU project does not guarantee that QEMU will compile or') 4416 message('work on this operating system. You can help by volunteering') 4417 message('to maintain it and providing a build host for our continuous') 4418 message('integration setup. This will ensure that future versions of QEMU') 4419 message('will keep working on ' + host_os + '.') 4420endif 4421 4422if host_arch == 'unknown' or not supported_oses.contains(host_os) 4423 message() 4424 message('If you want to help supporting QEMU on this platform, please') 4425 message('contact the developers at qemu-devel@nongnu.org.') 4426endif 4427 4428actually_reloc = get_option('relocatable') 4429# check if get_relocated_path() is actually able to relocate paths 4430if get_option('relocatable') and \ 4431 not (get_option('prefix') / get_option('bindir')).startswith(get_option('prefix') / '') 4432 message() 4433 warning('bindir not included within prefix, the installation will not be relocatable.') 4434 actually_reloc = false 4435endif 4436if not actually_reloc and (host_os == 'windows' or get_option('relocatable')) 4437 if host_os == 'windows' 4438 message() 4439 warning('Windows installs should usually be relocatable.') 4440 endif 4441 message() 4442 message('QEMU will have to be installed under ' + get_option('prefix') + '.') 4443 message('Use --disable-relocatable to remove this warning.') 4444endif 4445