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'] 232elif cpu in ['loongarch64'] 233 kvm_targets = ['loongarch64-softmmu'] 234else 235 kvm_targets = [] 236endif 237accelerator_targets = { 'CONFIG_KVM': kvm_targets } 238 239if cpu in ['x86', 'x86_64'] 240 xen_targets = ['i386-softmmu', 'x86_64-softmmu'] 241elif cpu in ['arm', 'aarch64'] 242 # i386 emulator provides xenpv machine type for multiple architectures 243 xen_targets = ['i386-softmmu', 'x86_64-softmmu', 'aarch64-softmmu'] 244else 245 xen_targets = [] 246endif 247accelerator_targets += { 'CONFIG_XEN': xen_targets } 248 249if cpu in ['aarch64'] 250 accelerator_targets += { 251 'CONFIG_HVF': ['aarch64-softmmu'] 252 } 253endif 254 255if cpu in ['x86', 'x86_64'] 256 accelerator_targets += { 257 'CONFIG_HVF': ['x86_64-softmmu'], 258 'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'], 259 'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'], 260 } 261endif 262 263modular_tcg = [] 264# Darwin does not support references to thread-local variables in modules 265if host_os != 'darwin' 266 modular_tcg = ['i386-softmmu', 'x86_64-softmmu'] 267endif 268 269################## 270# Compiler flags # 271################## 272 273foreach lang : all_languages 274 compiler = meson.get_compiler(lang) 275 if compiler.get_id() == 'gcc' and compiler.version().version_compare('>=7.4') 276 # ok 277 elif compiler.get_id() == 'clang' and compiler.compiles(''' 278 #ifdef __apple_build_version__ 279 # if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0) 280 # error You need at least XCode Clang v12.0 to compile QEMU 281 # endif 282 #else 283 # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) 284 # error You need at least Clang v10.0 to compile QEMU 285 # endif 286 #endif''') 287 # ok 288 else 289 error('You either need GCC v7.4 or Clang v10.0 (or XCode Clang v12.0) to compile QEMU') 290 endif 291endforeach 292 293# default flags for all hosts 294# We use -fwrapv to tell the compiler that we require a C dialect where 295# left shift of signed integers is well defined and has the expected 296# 2s-complement style results. (Both clang and gcc agree that it 297# provides these semantics.) 298 299qemu_common_flags = [ 300 '-D_GNU_SOURCE', '-D_FILE_OFFSET_BITS=64', '-D_LARGEFILE_SOURCE', 301 '-fno-strict-aliasing', '-fno-common', '-fwrapv' ] 302qemu_cflags = [] 303qemu_ldflags = [] 304 305if host_os == 'darwin' 306 # Disable attempts to use ObjectiveC features in os/object.h since they 307 # won't work when we're compiling with gcc as a C compiler. 308 if compiler.get_id() == 'gcc' 309 qemu_common_flags += '-DOS_OBJECT_USE_OBJC=0' 310 endif 311elif host_os == 'sunos' 312 # needed for CMSG_ macros in sys/socket.h 313 qemu_common_flags += '-D_XOPEN_SOURCE=600' 314 # needed for TIOCWIN* defines in termios.h 315 qemu_common_flags += '-D__EXTENSIONS__' 316elif host_os == 'haiku' 317 qemu_common_flags += ['-DB_USE_POSITIVE_POSIX_ERRORS', '-D_BSD_SOURCE', '-fPIC'] 318endif 319 320# __sync_fetch_and_and requires at least -march=i486. Many toolchains 321# use i686 as default anyway, but for those that don't, an explicit 322# specification is necessary 323if host_arch == 'i386' and not cc.links(''' 324 static int sfaa(int *ptr) 325 { 326 return __sync_fetch_and_and(ptr, 0); 327 } 328 329 int main(void) 330 { 331 int val = 42; 332 val = __sync_val_compare_and_swap(&val, 0, 1); 333 sfaa(&val); 334 return val; 335 }''') 336 qemu_common_flags = ['-march=i486'] + qemu_common_flags 337endif 338 339if get_option('prefer_static') 340 qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static' 341endif 342 343# Meson currently only handles pie as a boolean for now, so if the user 344# has explicitly disabled PIE we need to extend our cflags. 345# 346# -no-pie is supposedly a linker flag that has no effect on the compiler 347# command line, but some distros, that didn't quite know what they were 348# doing, made local changes to gcc's specs file that turned it into 349# a compiler command-line flag. 350# 351# What about linker flags? For a static build, no PIE is implied by -static 352# which we added above (and if it's not because of the same specs patching, 353# there's nothing we can do: compilation will fail, report a bug to your 354# distro and do not use --disable-pie in the meanwhile). For dynamic linking, 355# instead, we can't add -no-pie because it overrides -shared: the linker then 356# tries to build an executable instead of a shared library and fails. So 357# don't add -no-pie anywhere and cross fingers. :( 358if not get_option('b_pie') 359 qemu_common_flags += cc.get_supported_arguments('-fno-pie', '-no-pie') 360endif 361 362if not get_option('stack_protector').disabled() 363 stack_protector_probe = ''' 364 int main(int argc, char *argv[]) 365 { 366 char arr[64], *p = arr, *c = argv[argc - 1]; 367 while (*c) { 368 *p++ = *c++; 369 } 370 return 0; 371 }''' 372 have_stack_protector = false 373 foreach arg : ['-fstack-protector-strong', '-fstack-protector-all'] 374 # We need to check both a compile and a link, since some compiler 375 # setups fail only on a .c->.o compile and some only at link time 376 if cc.compiles(stack_protector_probe, args: ['-Werror', arg]) and \ 377 cc.links(stack_protector_probe, args: ['-Werror', arg]) 378 have_stack_protector = true 379 qemu_cflags += arg 380 qemu_ldflags += arg 381 break 382 endif 383 endforeach 384 get_option('stack_protector') \ 385 .require(have_stack_protector, error_message: 'Stack protector not supported') 386endif 387 388coroutine_backend = get_option('coroutine_backend') 389ucontext_probe = ''' 390 #include <ucontext.h> 391 #ifdef __stub_makecontext 392 #error Ignoring glibc stub makecontext which will always fail 393 #endif 394 int main(void) { makecontext(0, 0, 0); return 0; }''' 395 396# On Windows the only valid backend is the Windows specific one. 397# For POSIX prefer ucontext, but it's not always possible. The fallback 398# is sigcontext. 399supported_backends = [] 400if host_os == 'windows' 401 supported_backends += ['windows'] 402else 403 if host_os != 'darwin' and cc.links(ucontext_probe) 404 supported_backends += ['ucontext'] 405 endif 406 supported_backends += ['sigaltstack'] 407endif 408 409if coroutine_backend == 'auto' 410 coroutine_backend = supported_backends[0] 411elif coroutine_backend not in supported_backends 412 error('"@0@" backend requested but not available. Available backends: @1@' \ 413 .format(coroutine_backend, ', '.join(supported_backends))) 414endif 415 416# Compiles if SafeStack *not* enabled 417safe_stack_probe = ''' 418 int main(void) 419 { 420 #if defined(__has_feature) 421 #if __has_feature(safe_stack) 422 #error SafeStack Enabled 423 #endif 424 #endif 425 return 0; 426 }''' 427if get_option('safe_stack') != not cc.compiles(safe_stack_probe) 428 safe_stack_arg = get_option('safe_stack') ? '-fsanitize=safe-stack' : '-fno-sanitize=safe-stack' 429 if get_option('safe_stack') != not cc.compiles(safe_stack_probe, args: safe_stack_arg) 430 error(get_option('safe_stack') \ 431 ? 'SafeStack not supported by your compiler' \ 432 : 'Cannot disable SafeStack') 433 endif 434 qemu_cflags += safe_stack_arg 435 qemu_ldflags += safe_stack_arg 436endif 437if get_option('safe_stack') and coroutine_backend != 'ucontext' 438 error('SafeStack is only supported with the ucontext coroutine backend') 439endif 440 441if get_option('sanitizers') 442 if cc.has_argument('-fsanitize=address') 443 qemu_cflags = ['-fsanitize=address'] + qemu_cflags 444 qemu_ldflags = ['-fsanitize=address'] + qemu_ldflags 445 endif 446 447 # Detect static linking issue with ubsan - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 448 if cc.links('int main(int argc, char **argv) { return argc + 1; }', 449 args: [qemu_ldflags, '-fsanitize=undefined']) 450 qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags 451 qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags 452 endif 453endif 454 455# Thread sanitizer is, for now, much noisier than the other sanitizers; 456# keep it separate until that is not the case. 457if get_option('tsan') 458 if get_option('sanitizers') 459 error('TSAN is not supported with other sanitizers') 460 endif 461 if not cc.has_function('__tsan_create_fiber', 462 args: '-fsanitize=thread', 463 prefix: '#include <sanitizer/tsan_interface.h>') 464 error('Cannot enable TSAN due to missing fiber annotation interface') 465 endif 466 qemu_cflags = ['-fsanitize=thread'] + qemu_cflags 467 qemu_ldflags = ['-fsanitize=thread'] + qemu_ldflags 468endif 469 470# Detect support for PT_GNU_RELRO + DT_BIND_NOW. 471# The combination is known as "full relro", because .got.plt is read-only too. 472qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now') 473 474if host_os == 'windows' 475 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat') 476 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va') 477endif 478 479# Exclude --warn-common with TSan to suppress warnings from the TSan libraries. 480if host_os != 'sunos' and not get_option('tsan') 481 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--warn-common') 482endif 483 484if get_option('fuzzing') 485 # Specify a filter to only instrument code that is directly related to 486 # virtual-devices. 487 configure_file(output: 'instrumentation-filter', 488 input: 'scripts/oss-fuzz/instrumentation-filter-template', 489 copy: true) 490 491 if cc.compiles('int main () { return 0; }', 492 name: '-fsanitize-coverage-allowlist=/dev/null', 493 args: ['-fsanitize-coverage-allowlist=/dev/null', 494 '-fsanitize-coverage=trace-pc'] ) 495 qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter'] 496 endif 497 498 if get_option('fuzzing_engine') == '' 499 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the 500 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link 501 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be 502 # unable to bind the fuzzer-related callbacks added by instrumentation. 503 qemu_common_flags += ['-fsanitize=fuzzer-no-link'] 504 qemu_ldflags += ['-fsanitize=fuzzer-no-link'] 505 # For the actual fuzzer binaries, we need to link against the libfuzzer 506 # library. They need to be configurable, to support OSS-Fuzz 507 fuzz_exe_ldflags = ['-fsanitize=fuzzer'] 508 else 509 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and 510 # the needed CFLAGS have already been provided 511 fuzz_exe_ldflags = get_option('fuzzing_engine').split() 512 endif 513endif 514 515if get_option('cfi') 516 cfi_flags=[] 517 # Check for dependency on LTO 518 if not get_option('b_lto') 519 error('Selected Control-Flow Integrity but LTO is disabled') 520 endif 521 if enable_modules 522 error('Selected Control-Flow Integrity is not compatible with modules') 523 endif 524 # Check for cfi flags. CFI requires LTO so we can't use 525 # get_supported_arguments, but need a more complex "compiles" which allows 526 # custom arguments 527 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall', 528 args: ['-flto', '-fsanitize=cfi-icall'] ) 529 cfi_flags += '-fsanitize=cfi-icall' 530 else 531 error('-fsanitize=cfi-icall is not supported by the compiler') 532 endif 533 if cc.compiles('int main () { return 0; }', 534 name: '-fsanitize-cfi-icall-generalize-pointers', 535 args: ['-flto', '-fsanitize=cfi-icall', 536 '-fsanitize-cfi-icall-generalize-pointers'] ) 537 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers' 538 else 539 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler') 540 endif 541 if get_option('cfi_debug') 542 if cc.compiles('int main () { return 0; }', 543 name: '-fno-sanitize-trap=cfi-icall', 544 args: ['-flto', '-fsanitize=cfi-icall', 545 '-fno-sanitize-trap=cfi-icall'] ) 546 cfi_flags += '-fno-sanitize-trap=cfi-icall' 547 else 548 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler') 549 endif 550 endif 551 add_global_arguments(cfi_flags, native: false, language: all_languages) 552 add_global_link_arguments(cfi_flags, native: false, language: all_languages) 553endif 554 555add_global_arguments(qemu_common_flags, native: false, language: all_languages) 556add_global_link_arguments(qemu_ldflags, native: false, language: all_languages) 557 558# Collect warnings that we want to enable 559 560warn_flags = [ 561 '-Wundef', 562 '-Wwrite-strings', 563 '-Wmissing-prototypes', 564 '-Wstrict-prototypes', 565 '-Wredundant-decls', 566 '-Wold-style-declaration', 567 '-Wold-style-definition', 568 '-Wtype-limits', 569 '-Wformat-security', 570 '-Wformat-y2k', 571 '-Winit-self', 572 '-Wignored-qualifiers', 573 '-Wempty-body', 574 '-Wnested-externs', 575 '-Wendif-labels', 576 '-Wexpansion-to-defined', 577 '-Wimplicit-fallthrough=2', 578 '-Wmissing-format-attribute', 579 '-Wno-initializer-overrides', 580 '-Wno-missing-include-dirs', 581 '-Wno-shift-negative-value', 582 '-Wno-string-plus-int', 583 '-Wno-typedef-redefinition', 584 '-Wno-tautological-type-limit-compare', 585 '-Wno-psabi', 586 '-Wno-gnu-variable-sized-type-not-at-end', 587 '-Wshadow=local', 588] 589 590if host_os != 'darwin' 591 warn_flags += ['-Wthread-safety'] 592endif 593 594# Set up C++ compiler flags 595qemu_cxxflags = [] 596if 'cpp' in all_languages 597 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags 598endif 599 600add_project_arguments(qemu_cflags, native: false, language: 'c') 601add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c') 602if 'cpp' in all_languages 603 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp') 604 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp') 605endif 606if 'objc' in all_languages 607 # Note sanitizer flags are not applied to Objective-C sources! 608 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc') 609endif 610if host_os == 'linux' 611 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers', 612 '-isystem', 'linux-headers', 613 language: all_languages) 614endif 615 616add_project_arguments('-iquote', '.', 617 '-iquote', meson.current_source_dir(), 618 '-iquote', meson.current_source_dir() / 'include', 619 language: all_languages) 620 621# If a host-specific include directory exists, list that first... 622host_include = meson.current_source_dir() / 'host/include/' 623if fs.is_dir(host_include / host_arch) 624 add_project_arguments('-iquote', host_include / host_arch, 625 language: all_languages) 626endif 627# ... followed by the generic fallback. 628add_project_arguments('-iquote', host_include / 'generic', 629 language: all_languages) 630 631sparse = find_program('cgcc', required: get_option('sparse')) 632if sparse.found() 633 run_target('sparse', 634 command: [find_program('scripts/check_sparse.py'), 635 'compile_commands.json', sparse.full_path(), '-Wbitwise', 636 '-Wno-transparent-union', '-Wno-old-initializer', 637 '-Wno-non-pointer-null']) 638endif 639 640##################################### 641# Host-specific libraries and flags # 642##################################### 643 644libm = cc.find_library('m', required: false) 645threads = dependency('threads') 646util = cc.find_library('util', required: false) 647winmm = [] 648socket = [] 649version_res = [] 650coref = [] 651iokit = [] 652emulator_link_args = [] 653midl = not_found 654widl = not_found 655pathcch = not_found 656host_dsosuf = '.so' 657if host_os == 'windows' 658 midl = find_program('midl', required: false) 659 widl = find_program('widl', required: false) 660 pathcch = cc.find_library('pathcch') 661 socket = cc.find_library('ws2_32') 662 winmm = cc.find_library('winmm') 663 664 win = import('windows') 665 version_res = win.compile_resources('version.rc', 666 depend_files: files('pc-bios/qemu-nsis.ico'), 667 include_directories: include_directories('.')) 668 host_dsosuf = '.dll' 669elif host_os == 'darwin' 670 coref = dependency('appleframeworks', modules: 'CoreFoundation') 671 iokit = dependency('appleframeworks', modules: 'IOKit', required: false) 672 host_dsosuf = '.dylib' 673elif host_os == 'sunos' 674 socket = [cc.find_library('socket'), 675 cc.find_library('nsl'), 676 cc.find_library('resolv')] 677elif host_os == 'haiku' 678 socket = [cc.find_library('posix_error_mapper'), 679 cc.find_library('network'), 680 cc.find_library('bsd')] 681elif host_os == 'openbsd' 682 if get_option('tcg').allowed() and target_dirs.length() > 0 683 # Disable OpenBSD W^X if available 684 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded') 685 endif 686endif 687 688############################################### 689# Host-specific configuration of accelerators # 690############################################### 691 692accelerators = [] 693if get_option('kvm').allowed() and host_os == 'linux' 694 accelerators += 'CONFIG_KVM' 695endif 696if get_option('whpx').allowed() and host_os == 'windows' 697 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64' 698 error('WHPX requires 64-bit host') 699 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \ 700 cc.has_header('winhvemulation.h', required: get_option('whpx')) 701 accelerators += 'CONFIG_WHPX' 702 endif 703endif 704 705hvf = not_found 706if get_option('hvf').allowed() 707 hvf = dependency('appleframeworks', modules: 'Hypervisor', 708 required: get_option('hvf')) 709 if hvf.found() 710 accelerators += 'CONFIG_HVF' 711 endif 712endif 713 714nvmm = not_found 715if host_os == 'netbsd' 716 nvmm = cc.find_library('nvmm', required: get_option('nvmm')) 717 if nvmm.found() 718 accelerators += 'CONFIG_NVMM' 719 endif 720endif 721 722tcg_arch = host_arch 723if get_option('tcg').allowed() 724 if host_arch == 'unknown' 725 if not get_option('tcg_interpreter') 726 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu)) 727 endif 728 elif get_option('tcg_interpreter') 729 warning('Use of the TCG interpreter is not recommended on this host') 730 warning('architecture. There is a native TCG execution backend available') 731 warning('which provides substantially better performance and reliability.') 732 warning('It is strongly recommended to remove the --enable-tcg-interpreter') 733 warning('configuration option on this architecture to use the native') 734 warning('backend.') 735 endif 736 if get_option('tcg_interpreter') 737 tcg_arch = 'tci' 738 elif host_arch == 'x86_64' 739 tcg_arch = 'i386' 740 elif host_arch == 'ppc64' 741 tcg_arch = 'ppc' 742 endif 743 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch, 744 language: all_languages) 745 746 accelerators += 'CONFIG_TCG' 747endif 748 749if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled() 750 error('KVM not available on this platform') 751endif 752if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled() 753 error('HVF not available on this platform') 754endif 755if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled() 756 error('NVMM not available on this platform') 757endif 758if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled() 759 error('WHPX not available on this platform') 760endif 761 762xen = not_found 763if get_option('xen').enabled() or (get_option('xen').auto() and have_system) 764 xencontrol = dependency('xencontrol', required: false, 765 method: 'pkg-config') 766 if xencontrol.found() 767 xen_pc = declare_dependency(version: xencontrol.version(), 768 dependencies: [ 769 xencontrol, 770 # disabler: true makes xen_pc.found() return false if any is not found 771 dependency('xenstore', required: false, 772 method: 'pkg-config', 773 disabler: true), 774 dependency('xenforeignmemory', required: false, 775 method: 'pkg-config', 776 disabler: true), 777 dependency('xengnttab', required: false, 778 method: 'pkg-config', 779 disabler: true), 780 dependency('xenevtchn', required: false, 781 method: 'pkg-config', 782 disabler: true), 783 dependency('xendevicemodel', required: false, 784 method: 'pkg-config', 785 disabler: true), 786 # optional, no "disabler: true" 787 dependency('xentoolcore', required: false, 788 method: 'pkg-config')]) 789 if xen_pc.found() 790 xen = xen_pc 791 endif 792 endif 793 if not xen.found() 794 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ] 795 xen_libs = { 796 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ], 797 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ], 798 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ], 799 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ], 800 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ], 801 } 802 xen_deps = {} 803 foreach ver: xen_tests 804 # cache the various library tests to avoid polluting the logs 805 xen_test_deps = [] 806 foreach l: xen_libs[ver] 807 if l not in xen_deps 808 xen_deps += { l: cc.find_library(l, required: false) } 809 endif 810 xen_test_deps += xen_deps[l] 811 endforeach 812 813 # Use -D to pick just one of the test programs in scripts/xen-detect.c 814 xen_version = ver.split('.') 815 xen_ctrl_version = xen_version[0] + \ 816 ('0' + xen_version[1]).substring(-2) + \ 817 ('0' + xen_version[2]).substring(-2) 818 if cc.links(files('scripts/xen-detect.c'), 819 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version, 820 dependencies: xen_test_deps) 821 xen = declare_dependency(version: ver, dependencies: xen_test_deps) 822 break 823 endif 824 endforeach 825 endif 826 if xen.found() 827 accelerators += 'CONFIG_XEN' 828 elif get_option('xen').enabled() 829 error('could not compile and link Xen test program') 830 endif 831endif 832have_xen_pci_passthrough = get_option('xen_pci_passthrough') \ 833 .require(xen.found(), 834 error_message: 'Xen PCI passthrough requested but Xen not enabled') \ 835 .require(host_os == 'linux', 836 error_message: 'Xen PCI passthrough not available on this platform') \ 837 .require(cpu == 'x86' or cpu == 'x86_64', 838 error_message: 'Xen PCI passthrough not available on this platform') \ 839 .allowed() 840 841################ 842# Dependencies # 843################ 844 845# When bumping glib minimum version, please check also whether to increase 846# the _WIN32_WINNT setting in osdep.h according to the value from glib 847glib_req_ver = '>=2.56.0' 848glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true, 849 method: 'pkg-config') 850glib_cflags = [] 851if enable_modules 852 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true, 853 method: 'pkg-config') 854elif get_option('plugins') 855 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true, 856 method: 'pkg-config') 857else 858 gmodule = not_found 859endif 860 861# This workaround is required due to a bug in pkg-config file for glib as it 862# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static 863if host_os == 'windows' and get_option('prefer_static') 864 glib_cflags += ['-DGLIB_STATIC_COMPILATION'] 865endif 866 867# Sanity check that the current size_t matches the 868# size that glib thinks it should be. This catches 869# problems on multi-arch where people try to build 870# 32-bit QEMU while pointing at 64-bit glib headers 871 872if not cc.compiles(''' 873 #include <glib.h> 874 #include <unistd.h> 875 876 #define QEMU_BUILD_BUG_ON(x) \ 877 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); 878 879 int main(void) { 880 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); 881 return 0; 882 }''', dependencies: glib_pc, args: glib_cflags) 883 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T. 884 You probably need to set PKG_CONFIG_LIBDIR" to point 885 to the right pkg-config files for your build target.''') 886endif 887 888# Silence clang warnings triggered by glib < 2.57.2 889if not cc.compiles(''' 890 #include <glib.h> 891 typedef struct Foo { 892 int i; 893 } Foo; 894 static void foo_free(Foo *f) 895 { 896 g_free(f); 897 } 898 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free) 899 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror']) 900 glib_cflags += cc.get_supported_arguments('-Wno-unused-function') 901endif 902glib = declare_dependency(dependencies: [glib_pc, gmodule], 903 compile_args: glib_cflags, 904 version: glib_pc.version()) 905 906# Check whether glib has gslice, which we have to avoid for correctness. 907# TODO: remove this check and the corresponding workaround (qtree) when 908# the minimum supported glib is >= 2.75.3 909glib_has_gslice = glib.version().version_compare('<2.75.3') 910 911# override glib dep to include the above refinements 912meson.override_dependency('glib-2.0', glib) 913 914# The path to glib.h is added to all compilation commands. 915add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true), 916 native: false, language: all_languages) 917 918gio = not_found 919gdbus_codegen = not_found 920gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio' 921if not get_option('gio').auto() or have_system 922 gio = dependency('gio-2.0', required: get_option('gio'), 923 method: 'pkg-config') 924 if gio.found() and not cc.links(''' 925 #include <gio/gio.h> 926 int main(void) 927 { 928 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0); 929 return 0; 930 }''', dependencies: [glib, gio]) 931 if get_option('gio').enabled() 932 error('The installed libgio is broken for static linking') 933 endif 934 gio = not_found 935 endif 936 if gio.found() 937 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'), 938 required: get_option('gio')) 939 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'), 940 method: 'pkg-config') 941 gio = declare_dependency(dependencies: [gio, gio_unix], 942 version: gio.version()) 943 endif 944endif 945if gdbus_codegen.found() and get_option('cfi') 946 gdbus_codegen = not_found 947 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity' 948endif 949 950xml_pp = find_program('scripts/xml-preprocess.py') 951 952lttng = not_found 953if 'ust' in get_option('trace_backends') 954 lttng = dependency('lttng-ust', required: true, version: '>= 2.1', 955 method: 'pkg-config') 956endif 957pixman = not_found 958if not get_option('pixman').auto() or have_system or have_tools 959 pixman = dependency('pixman-1', required: get_option('pixman'), version:'>=0.21.8', 960 method: 'pkg-config') 961endif 962 963zlib = dependency('zlib', required: true) 964 965libaio = not_found 966if not get_option('linux_aio').auto() or have_block 967 libaio = cc.find_library('aio', has_headers: ['libaio.h'], 968 required: get_option('linux_aio')) 969endif 970 971linux_io_uring_test = ''' 972 #include <liburing.h> 973 #include <linux/errqueue.h> 974 975 int main(void) { return 0; }''' 976 977linux_io_uring = not_found 978if not get_option('linux_io_uring').auto() or have_block 979 linux_io_uring = dependency('liburing', version: '>=0.3', 980 required: get_option('linux_io_uring'), 981 method: 'pkg-config') 982 if not cc.links(linux_io_uring_test) 983 linux_io_uring = not_found 984 endif 985endif 986 987libnfs = not_found 988if not get_option('libnfs').auto() or have_block 989 libnfs = dependency('libnfs', version: '>=1.9.3', 990 required: get_option('libnfs'), 991 method: 'pkg-config') 992endif 993 994libattr_test = ''' 995 #include <stddef.h> 996 #include <sys/types.h> 997 #ifdef CONFIG_LIBATTR 998 #include <attr/xattr.h> 999 #else 1000 #include <sys/xattr.h> 1001 #endif 1002 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }''' 1003 1004libattr = not_found 1005have_old_libattr = false 1006if get_option('attr').allowed() 1007 if cc.links(libattr_test) 1008 libattr = declare_dependency() 1009 else 1010 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'], 1011 required: get_option('attr')) 1012 if libattr.found() and not \ 1013 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR') 1014 libattr = not_found 1015 if get_option('attr').enabled() 1016 error('could not link libattr') 1017 else 1018 warning('could not link libattr, disabling') 1019 endif 1020 else 1021 have_old_libattr = libattr.found() 1022 endif 1023 endif 1024endif 1025 1026cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'], 1027 required: get_option('cocoa')) 1028 1029vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet')) 1030if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h', 1031 'VMNET_BRIDGED_MODE', 1032 dependencies: vmnet) 1033 vmnet = not_found 1034 if get_option('vmnet').enabled() 1035 error('vmnet.framework API is outdated') 1036 else 1037 warning('vmnet.framework API is outdated, disabling') 1038 endif 1039endif 1040 1041seccomp = not_found 1042seccomp_has_sysrawrc = false 1043if not get_option('seccomp').auto() or have_system or have_tools 1044 seccomp = dependency('libseccomp', version: '>=2.3.0', 1045 required: get_option('seccomp'), 1046 method: 'pkg-config') 1047 if seccomp.found() 1048 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h', 1049 'SCMP_FLTATR_API_SYSRAWRC', 1050 dependencies: seccomp) 1051 endif 1052endif 1053 1054libcap_ng = not_found 1055if not get_option('cap_ng').auto() or have_system or have_tools 1056 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'], 1057 required: get_option('cap_ng')) 1058endif 1059if libcap_ng.found() and not cc.links(''' 1060 #include <cap-ng.h> 1061 int main(void) 1062 { 1063 capng_capability_to_name(CAPNG_EFFECTIVE); 1064 return 0; 1065 }''', dependencies: libcap_ng) 1066 libcap_ng = not_found 1067 if get_option('cap_ng').enabled() 1068 error('could not link libcap-ng') 1069 else 1070 warning('could not link libcap-ng, disabling') 1071 endif 1072endif 1073 1074if get_option('xkbcommon').auto() and not have_system and not have_tools 1075 xkbcommon = not_found 1076else 1077 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'), 1078 method: 'pkg-config') 1079endif 1080 1081slirp = not_found 1082if not get_option('slirp').auto() or have_system 1083 slirp = dependency('slirp', required: get_option('slirp'), 1084 method: 'pkg-config') 1085 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because 1086 # it passes function pointers within libslirp as callbacks for timers. 1087 # When using a system-wide shared libslirp, the type information for the 1088 # callback is missing and the timer call produces a false positive with CFI. 1089 # Do not use the "version" keyword argument to produce a better error. 1090 # with control-flow integrity. 1091 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7') 1092 if get_option('slirp').enabled() 1093 error('Control-Flow Integrity requires libslirp 4.7.') 1094 else 1095 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.') 1096 slirp = not_found 1097 endif 1098 endif 1099endif 1100 1101vde = not_found 1102if not get_option('vde').auto() or have_system or have_tools 1103 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'], 1104 required: get_option('vde')) 1105endif 1106if vde.found() and not cc.links(''' 1107 #include <libvdeplug.h> 1108 int main(void) 1109 { 1110 struct vde_open_args a = {0, 0, 0}; 1111 char s[] = ""; 1112 vde_open(s, s, &a); 1113 return 0; 1114 }''', dependencies: vde) 1115 vde = not_found 1116 if get_option('cap_ng').enabled() 1117 error('could not link libvdeplug') 1118 else 1119 warning('could not link libvdeplug, disabling') 1120 endif 1121endif 1122 1123pulse = not_found 1124if not get_option('pa').auto() or (host_os == 'linux' and have_system) 1125 pulse = dependency('libpulse', required: get_option('pa'), 1126 method: 'pkg-config') 1127endif 1128alsa = not_found 1129if not get_option('alsa').auto() or (host_os == 'linux' and have_system) 1130 alsa = dependency('alsa', required: get_option('alsa'), 1131 method: 'pkg-config') 1132endif 1133jack = not_found 1134if not get_option('jack').auto() or have_system 1135 jack = dependency('jack', required: get_option('jack'), 1136 method: 'pkg-config') 1137endif 1138pipewire = not_found 1139if not get_option('pipewire').auto() or (host_os == 'linux' and have_system) 1140 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60', 1141 required: get_option('pipewire'), 1142 method: 'pkg-config') 1143endif 1144sndio = not_found 1145if not get_option('sndio').auto() or have_system 1146 sndio = dependency('sndio', required: get_option('sndio'), 1147 method: 'pkg-config') 1148endif 1149 1150spice_protocol = not_found 1151if not get_option('spice_protocol').auto() or have_system 1152 spice_protocol = dependency('spice-protocol', version: '>=0.14.0', 1153 required: get_option('spice_protocol'), 1154 method: 'pkg-config') 1155endif 1156spice = not_found 1157if get_option('spice') \ 1158 .disable_auto_if(not have_system) \ 1159 .require(pixman.found(), 1160 error_message: 'cannot enable SPICE if pixman is not available') \ 1161 .allowed() 1162 spice = dependency('spice-server', version: '>=0.14.0', 1163 required: get_option('spice'), 1164 method: 'pkg-config') 1165endif 1166spice_headers = spice.partial_dependency(compile_args: true, includes: true) 1167 1168rt = cc.find_library('rt', required: false) 1169 1170libiscsi = not_found 1171if not get_option('libiscsi').auto() or have_block 1172 libiscsi = dependency('libiscsi', version: '>=1.9.0', 1173 required: get_option('libiscsi'), 1174 method: 'pkg-config') 1175endif 1176zstd = not_found 1177if not get_option('zstd').auto() or have_block 1178 zstd = dependency('libzstd', version: '>=1.4.0', 1179 required: get_option('zstd'), 1180 method: 'pkg-config') 1181endif 1182virgl = not_found 1183 1184have_vhost_user_gpu = have_tools and host_os == 'linux' and pixman.found() 1185if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu 1186 virgl = dependency('virglrenderer', 1187 method: 'pkg-config', 1188 required: get_option('virglrenderer')) 1189endif 1190rutabaga = not_found 1191if not get_option('rutabaga_gfx').auto() or have_system or have_vhost_user_gpu 1192 rutabaga = dependency('rutabaga_gfx_ffi', 1193 method: 'pkg-config', 1194 required: get_option('rutabaga_gfx')) 1195endif 1196blkio = not_found 1197if not get_option('blkio').auto() or have_block 1198 blkio = dependency('blkio', 1199 method: 'pkg-config', 1200 required: get_option('blkio')) 1201endif 1202curl = not_found 1203if not get_option('curl').auto() or have_block 1204 curl = dependency('libcurl', version: '>=7.29.0', 1205 method: 'pkg-config', 1206 required: get_option('curl')) 1207endif 1208libudev = not_found 1209if host_os == 'linux' and (have_system or have_tools) 1210 libudev = dependency('libudev', 1211 method: 'pkg-config', 1212 required: get_option('libudev')) 1213endif 1214 1215mpathlibs = [libudev] 1216mpathpersist = not_found 1217if host_os == 'linux' and have_tools and get_option('mpath').allowed() 1218 mpath_test_source = ''' 1219 #include <libudev.h> 1220 #include <mpath_persist.h> 1221 unsigned mpath_mx_alloc_len = 1024; 1222 int logsink; 1223 static struct config *multipath_conf; 1224 extern struct udev *udev; 1225 extern struct config *get_multipath_config(void); 1226 extern void put_multipath_config(struct config *conf); 1227 struct udev *udev; 1228 struct config *get_multipath_config(void) { return multipath_conf; } 1229 void put_multipath_config(struct config *conf) { } 1230 int main(void) { 1231 udev = udev_new(); 1232 multipath_conf = mpath_lib_init(); 1233 return 0; 1234 }''' 1235 libmpathpersist = cc.find_library('mpathpersist', 1236 required: get_option('mpath')) 1237 if libmpathpersist.found() 1238 mpathlibs += libmpathpersist 1239 if get_option('prefer_static') 1240 mpathlibs += cc.find_library('devmapper', 1241 required: get_option('mpath')) 1242 endif 1243 mpathlibs += cc.find_library('multipath', 1244 required: get_option('mpath')) 1245 foreach lib: mpathlibs 1246 if not lib.found() 1247 mpathlibs = [] 1248 break 1249 endif 1250 endforeach 1251 if mpathlibs.length() == 0 1252 msg = 'Dependencies missing for libmpathpersist' 1253 elif cc.links(mpath_test_source, dependencies: mpathlibs) 1254 mpathpersist = declare_dependency(dependencies: mpathlibs) 1255 else 1256 msg = 'Cannot detect libmpathpersist API' 1257 endif 1258 if not mpathpersist.found() 1259 if get_option('mpath').enabled() 1260 error(msg) 1261 else 1262 warning(msg + ', disabling') 1263 endif 1264 endif 1265 endif 1266endif 1267 1268iconv = not_found 1269curses = not_found 1270if have_system and get_option('curses').allowed() 1271 curses_test = ''' 1272 #if defined(__APPLE__) || defined(__OpenBSD__) 1273 #define _XOPEN_SOURCE_EXTENDED 1 1274 #endif 1275 #include <locale.h> 1276 #include <curses.h> 1277 #include <wchar.h> 1278 int main(void) { 1279 wchar_t wch = L'w'; 1280 setlocale(LC_ALL, ""); 1281 resize_term(0, 0); 1282 addwstr(L"wide chars\n"); 1283 addnwstr(&wch, 1); 1284 add_wch(WACS_DEGREE); 1285 return 0; 1286 }''' 1287 1288 curses_dep_list = host_os == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw'] 1289 curses = dependency(curses_dep_list, 1290 required: false, 1291 method: 'pkg-config') 1292 msg = get_option('curses').enabled() ? 'curses library not found' : '' 1293 curses_compile_args = ['-DNCURSES_WIDECHAR=1'] 1294 if curses.found() 1295 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses]) 1296 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses], 1297 version: curses.version()) 1298 else 1299 msg = 'curses package not usable' 1300 curses = not_found 1301 endif 1302 endif 1303 if not curses.found() 1304 has_curses_h = cc.has_header('curses.h', args: curses_compile_args) 1305 if host_os != 'windows' and not has_curses_h 1306 message('Trying with /usr/include/ncursesw') 1307 curses_compile_args += ['-I/usr/include/ncursesw'] 1308 has_curses_h = cc.has_header('curses.h', args: curses_compile_args) 1309 endif 1310 if has_curses_h 1311 curses_libname_list = (host_os == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw']) 1312 foreach curses_libname : curses_libname_list 1313 libcurses = cc.find_library(curses_libname, 1314 required: false) 1315 if libcurses.found() 1316 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses) 1317 curses = declare_dependency(compile_args: curses_compile_args, 1318 dependencies: [libcurses]) 1319 break 1320 else 1321 msg = 'curses library not usable' 1322 endif 1323 endif 1324 endforeach 1325 endif 1326 endif 1327 if get_option('iconv').allowed() 1328 foreach link_args : [ ['-liconv'], [] ] 1329 # Programs will be linked with glib and this will bring in libiconv on FreeBSD. 1330 # We need to use libiconv if available because mixing libiconv's headers with 1331 # the system libc does not work. 1332 # However, without adding glib to the dependencies -L/usr/local/lib will not be 1333 # included in the command line and libiconv will not be found. 1334 if cc.links(''' 1335 #include <iconv.h> 1336 int main(void) { 1337 iconv_t conv = iconv_open("WCHAR_T", "UCS-2"); 1338 return conv != (iconv_t) -1; 1339 }''', args: link_args, dependencies: glib) 1340 iconv = declare_dependency(link_args: link_args, dependencies: glib) 1341 break 1342 endif 1343 endforeach 1344 endif 1345 if curses.found() and not iconv.found() 1346 if get_option('iconv').enabled() 1347 error('iconv not available') 1348 endif 1349 msg = 'iconv required for curses UI but not available' 1350 curses = not_found 1351 endif 1352 if not curses.found() and msg != '' 1353 if get_option('curses').enabled() 1354 error(msg) 1355 else 1356 warning(msg + ', disabling') 1357 endif 1358 endif 1359endif 1360 1361brlapi = not_found 1362if not get_option('brlapi').auto() or have_system 1363 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'], 1364 required: get_option('brlapi')) 1365 if brlapi.found() and not cc.links(''' 1366 #include <brlapi.h> 1367 #include <stddef.h> 1368 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi) 1369 brlapi = not_found 1370 if get_option('brlapi').enabled() 1371 error('could not link brlapi') 1372 else 1373 warning('could not link brlapi, disabling') 1374 endif 1375 endif 1376endif 1377 1378sdl = not_found 1379if not get_option('sdl').auto() or have_system 1380 sdl = dependency('sdl2', required: get_option('sdl')) 1381 sdl_image = not_found 1382endif 1383if sdl.found() 1384 # Some versions of SDL have problems with -Wundef 1385 if not cc.compiles(''' 1386 #include <SDL.h> 1387 #include <SDL_syswm.h> 1388 int main(int argc, char *argv[]) { return 0; } 1389 ''', dependencies: sdl, args: '-Werror=undef') 1390 sdl = declare_dependency(compile_args: '-Wno-undef', 1391 dependencies: sdl, 1392 version: sdl.version()) 1393 endif 1394 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'), 1395 method: 'pkg-config') 1396else 1397 if get_option('sdl_image').enabled() 1398 error('sdl-image required, but SDL was @0@'.format( 1399 get_option('sdl').disabled() ? 'disabled' : 'not found')) 1400 endif 1401 sdl_image = not_found 1402endif 1403 1404rbd = not_found 1405if not get_option('rbd').auto() or have_block 1406 librados = cc.find_library('rados', required: get_option('rbd')) 1407 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'], 1408 required: get_option('rbd')) 1409 if librados.found() and librbd.found() 1410 if cc.links(''' 1411 #include <stdio.h> 1412 #include <rbd/librbd.h> 1413 int main(void) { 1414 rados_t cluster; 1415 rados_create(&cluster, NULL); 1416 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0) 1417 #error 1418 #endif 1419 return 0; 1420 }''', dependencies: [librbd, librados]) 1421 rbd = declare_dependency(dependencies: [librbd, librados]) 1422 elif get_option('rbd').enabled() 1423 error('librbd >= 1.12.0 required') 1424 else 1425 warning('librbd >= 1.12.0 not found, disabling') 1426 endif 1427 endif 1428endif 1429 1430glusterfs = not_found 1431glusterfs_ftruncate_has_stat = false 1432glusterfs_iocb_has_stat = false 1433if not get_option('glusterfs').auto() or have_block 1434 glusterfs = dependency('glusterfs-api', version: '>=3', 1435 required: get_option('glusterfs'), 1436 method: 'pkg-config') 1437 if glusterfs.found() 1438 glusterfs_ftruncate_has_stat = cc.links(''' 1439 #include <glusterfs/api/glfs.h> 1440 1441 int 1442 main(void) 1443 { 1444 /* new glfs_ftruncate() passes two additional args */ 1445 return glfs_ftruncate(NULL, 0, NULL, NULL); 1446 } 1447 ''', dependencies: glusterfs) 1448 glusterfs_iocb_has_stat = cc.links(''' 1449 #include <glusterfs/api/glfs.h> 1450 1451 /* new glfs_io_cbk() passes two additional glfs_stat structs */ 1452 static void 1453 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data) 1454 {} 1455 1456 int 1457 main(void) 1458 { 1459 glfs_io_cbk iocb = &glusterfs_iocb; 1460 iocb(NULL, 0 , NULL, NULL, NULL); 1461 return 0; 1462 } 1463 ''', dependencies: glusterfs) 1464 endif 1465endif 1466 1467hv_balloon = false 1468if get_option('hv_balloon').allowed() and have_system 1469 if cc.links(''' 1470 #include <string.h> 1471 #include <gmodule.h> 1472 int main(void) { 1473 GTree *tree; 1474 1475 tree = g_tree_new((GCompareFunc)strcmp); 1476 (void)g_tree_node_first(tree); 1477 g_tree_destroy(tree); 1478 return 0; 1479 } 1480 ''', dependencies: glib) 1481 hv_balloon = true 1482 else 1483 if get_option('hv_balloon').enabled() 1484 error('could not enable hv-balloon, update your glib') 1485 else 1486 warning('could not find glib support for hv-balloon, disabling') 1487 endif 1488 endif 1489endif 1490 1491libssh = not_found 1492if not get_option('libssh').auto() or have_block 1493 libssh = dependency('libssh', version: '>=0.8.7', 1494 method: 'pkg-config', 1495 required: get_option('libssh')) 1496endif 1497 1498libbzip2 = not_found 1499if not get_option('bzip2').auto() or have_block 1500 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'], 1501 required: get_option('bzip2')) 1502 if libbzip2.found() and not cc.links(''' 1503 #include <bzlib.h> 1504 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2) 1505 libbzip2 = not_found 1506 if get_option('bzip2').enabled() 1507 error('could not link libbzip2') 1508 else 1509 warning('could not link libbzip2, disabling') 1510 endif 1511 endif 1512endif 1513 1514liblzfse = not_found 1515if not get_option('lzfse').auto() or have_block 1516 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'], 1517 required: get_option('lzfse')) 1518endif 1519if liblzfse.found() and not cc.links(''' 1520 #include <lzfse.h> 1521 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse) 1522 liblzfse = not_found 1523 if get_option('lzfse').enabled() 1524 error('could not link liblzfse') 1525 else 1526 warning('could not link liblzfse, disabling') 1527 endif 1528endif 1529 1530oss = not_found 1531if get_option('oss').allowed() and have_system 1532 if not cc.has_header('sys/soundcard.h') 1533 # not found 1534 elif host_os == 'netbsd' 1535 oss = cc.find_library('ossaudio', required: get_option('oss')) 1536 else 1537 oss = declare_dependency() 1538 endif 1539 1540 if not oss.found() 1541 if get_option('oss').enabled() 1542 error('OSS not found') 1543 endif 1544 endif 1545endif 1546dsound = not_found 1547if not get_option('dsound').auto() or (host_os == 'windows' and have_system) 1548 if cc.has_header('dsound.h') 1549 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid']) 1550 endif 1551 1552 if not dsound.found() 1553 if get_option('dsound').enabled() 1554 error('DirectSound not found') 1555 endif 1556 endif 1557endif 1558 1559coreaudio = not_found 1560if not get_option('coreaudio').auto() or (host_os == 'darwin' and have_system) 1561 coreaudio = dependency('appleframeworks', modules: 'CoreAudio', 1562 required: get_option('coreaudio')) 1563endif 1564 1565opengl = not_found 1566if not get_option('opengl').auto() or have_system or have_vhost_user_gpu 1567 epoxy = dependency('epoxy', method: 'pkg-config', 1568 required: get_option('opengl')) 1569 if cc.has_header('epoxy/egl.h', dependencies: epoxy) 1570 opengl = epoxy 1571 elif get_option('opengl').enabled() 1572 error('epoxy/egl.h not found') 1573 endif 1574endif 1575gbm = not_found 1576if (have_system or have_tools) and (virgl.found() or opengl.found()) 1577 gbm = dependency('gbm', method: 'pkg-config', required: false) 1578endif 1579have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found() 1580 1581gnutls = not_found 1582gnutls_crypto = not_found 1583if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system) 1584 # For general TLS support our min gnutls matches 1585 # that implied by our platform support matrix 1586 # 1587 # For the crypto backends, we look for a newer 1588 # gnutls: 1589 # 1590 # Version 3.6.8 is needed to get XTS 1591 # Version 3.6.13 is needed to get PBKDF 1592 # Version 3.6.14 is needed to get HW accelerated XTS 1593 # 1594 # If newer enough gnutls isn't available, we can 1595 # still use a different crypto backend to satisfy 1596 # the platform support requirements 1597 gnutls_crypto = dependency('gnutls', version: '>=3.6.14', 1598 method: 'pkg-config', 1599 required: false) 1600 if gnutls_crypto.found() 1601 gnutls = gnutls_crypto 1602 else 1603 # Our min version if all we need is TLS 1604 gnutls = dependency('gnutls', version: '>=3.5.18', 1605 method: 'pkg-config', 1606 required: get_option('gnutls')) 1607 endif 1608endif 1609 1610# We prefer use of gnutls for crypto, unless the options 1611# explicitly asked for nettle or gcrypt. 1612# 1613# If gnutls isn't available for crypto, then we'll prefer 1614# gcrypt over nettle for performance reasons. 1615gcrypt = not_found 1616nettle = not_found 1617hogweed = not_found 1618xts = 'none' 1619 1620if get_option('nettle').enabled() and get_option('gcrypt').enabled() 1621 error('Only one of gcrypt & nettle can be enabled') 1622endif 1623 1624# Explicit nettle/gcrypt request, so ignore gnutls for crypto 1625if get_option('nettle').enabled() or get_option('gcrypt').enabled() 1626 gnutls_crypto = not_found 1627endif 1628 1629if not gnutls_crypto.found() 1630 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled() 1631 gcrypt = dependency('libgcrypt', version: '>=1.8', 1632 method: 'config-tool', 1633 required: get_option('gcrypt')) 1634 # Debian has removed -lgpg-error from libgcrypt-config 1635 # as it "spreads unnecessary dependencies" which in 1636 # turn breaks static builds... 1637 if gcrypt.found() and get_option('prefer_static') 1638 gcrypt = declare_dependency(dependencies: 1639 [gcrypt, 1640 cc.find_library('gpg-error', required: true)], 1641 version: gcrypt.version()) 1642 endif 1643 endif 1644 if (not get_option('nettle').auto() or have_system) and not gcrypt.found() 1645 nettle = dependency('nettle', version: '>=3.4', 1646 method: 'pkg-config', 1647 required: get_option('nettle')) 1648 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle) 1649 xts = 'private' 1650 endif 1651 endif 1652endif 1653 1654capstone = not_found 1655if not get_option('capstone').auto() or have_system or have_user 1656 capstone = dependency('capstone', version: '>=3.0.5', 1657 method: 'pkg-config', 1658 required: get_option('capstone')) 1659 1660 # Some versions of capstone have broken pkg-config file 1661 # that reports a wrong -I path, causing the #include to 1662 # fail later. If the system has such a broken version 1663 # do not use it. 1664 if capstone.found() and not cc.compiles('#include <capstone.h>', 1665 dependencies: [capstone]) 1666 capstone = not_found 1667 if get_option('capstone').enabled() 1668 error('capstone requested, but it does not appear to work') 1669 endif 1670 endif 1671endif 1672 1673gmp = dependency('gmp', required: false, method: 'pkg-config') 1674if nettle.found() and gmp.found() 1675 hogweed = dependency('hogweed', version: '>=3.4', 1676 method: 'pkg-config', 1677 required: get_option('nettle')) 1678endif 1679 1680 1681gtk = not_found 1682gtkx11 = not_found 1683vte = not_found 1684have_gtk_clipboard = get_option('gtk_clipboard').enabled() 1685 1686if get_option('gtk') \ 1687 .disable_auto_if(not have_system) \ 1688 .require(pixman.found(), 1689 error_message: 'cannot enable GTK if pixman is not available') \ 1690 .allowed() 1691 gtk = dependency('gtk+-3.0', version: '>=3.22.0', 1692 method: 'pkg-config', 1693 required: get_option('gtk')) 1694 if gtk.found() 1695 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0', 1696 method: 'pkg-config', 1697 required: false) 1698 gtk = declare_dependency(dependencies: [gtk, gtkx11], 1699 version: gtk.version()) 1700 1701 if not get_option('vte').auto() or have_system 1702 vte = dependency('vte-2.91', 1703 method: 'pkg-config', 1704 required: get_option('vte')) 1705 endif 1706 elif have_gtk_clipboard 1707 error('GTK clipboard requested, but GTK not found') 1708 endif 1709endif 1710 1711x11 = not_found 1712if gtkx11.found() 1713 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found()) 1714endif 1715png = not_found 1716if get_option('png').allowed() and have_system 1717 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'), 1718 method: 'pkg-config') 1719endif 1720vnc = not_found 1721jpeg = not_found 1722sasl = not_found 1723if get_option('vnc') \ 1724 .disable_auto_if(not have_system) \ 1725 .require(pixman.found(), 1726 error_message: 'cannot enable VNC if pixman is not available') \ 1727 .allowed() 1728 vnc = declare_dependency() # dummy dependency 1729 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'), 1730 method: 'pkg-config') 1731 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'], 1732 required: get_option('vnc_sasl')) 1733 if sasl.found() 1734 sasl = declare_dependency(dependencies: sasl, 1735 compile_args: '-DSTRUCT_IOVEC_DEFINED') 1736 endif 1737endif 1738 1739pam = not_found 1740if not get_option('auth_pam').auto() or have_system 1741 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'], 1742 required: get_option('auth_pam')) 1743endif 1744if pam.found() and not cc.links(''' 1745 #include <stddef.h> 1746 #include <security/pam_appl.h> 1747 int main(void) { 1748 const char *service_name = "qemu"; 1749 const char *user = "frank"; 1750 const struct pam_conv pam_conv = { 0 }; 1751 pam_handle_t *pamh = NULL; 1752 pam_start(service_name, user, &pam_conv, &pamh); 1753 return 0; 1754 }''', dependencies: pam) 1755 pam = not_found 1756 if get_option('auth_pam').enabled() 1757 error('could not link libpam') 1758 else 1759 warning('could not link libpam, disabling') 1760 endif 1761endif 1762 1763snappy = not_found 1764if not get_option('snappy').auto() or have_system 1765 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'], 1766 required: get_option('snappy')) 1767endif 1768if snappy.found() and not cc.links(''' 1769 #include <snappy-c.h> 1770 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy) 1771 snappy = not_found 1772 if get_option('snappy').enabled() 1773 error('could not link libsnappy') 1774 else 1775 warning('could not link libsnappy, disabling') 1776 endif 1777endif 1778 1779lzo = not_found 1780if not get_option('lzo').auto() or have_system 1781 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'], 1782 required: get_option('lzo')) 1783endif 1784if lzo.found() and not cc.links(''' 1785 #include <lzo/lzo1x.h> 1786 int main(void) { lzo_version(); return 0; }''', dependencies: lzo) 1787 lzo = not_found 1788 if get_option('lzo').enabled() 1789 error('could not link liblzo2') 1790 else 1791 warning('could not link liblzo2, disabling') 1792 endif 1793endif 1794 1795numa = not_found 1796if not get_option('numa').auto() or have_system or have_tools 1797 numa = cc.find_library('numa', has_headers: ['numa.h'], 1798 required: get_option('numa')) 1799endif 1800if numa.found() and not cc.links(''' 1801 #include <numa.h> 1802 int main(void) { return numa_available(); } 1803 ''', dependencies: numa) 1804 numa = not_found 1805 if get_option('numa').enabled() 1806 error('could not link numa') 1807 else 1808 warning('could not link numa, disabling') 1809 endif 1810endif 1811 1812rdma = not_found 1813if not get_option('rdma').auto() or have_system 1814 libumad = cc.find_library('ibumad', required: get_option('rdma')) 1815 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'], 1816 required: get_option('rdma')), 1817 cc.find_library('ibverbs', required: get_option('rdma')), 1818 libumad] 1819 rdma = declare_dependency(dependencies: rdma_libs) 1820 foreach lib: rdma_libs 1821 if not lib.found() 1822 rdma = not_found 1823 endif 1824 endforeach 1825endif 1826 1827cacard = not_found 1828if not get_option('smartcard').auto() or have_system 1829 cacard = dependency('libcacard', required: get_option('smartcard'), 1830 version: '>=2.5.1', method: 'pkg-config') 1831endif 1832u2f = not_found 1833if not get_option('u2f').auto() or have_system 1834 u2f = dependency('u2f-emu', required: get_option('u2f'), 1835 method: 'pkg-config') 1836endif 1837canokey = not_found 1838if not get_option('canokey').auto() or have_system 1839 canokey = dependency('canokey-qemu', required: get_option('canokey'), 1840 method: 'pkg-config') 1841endif 1842usbredir = not_found 1843if not get_option('usb_redir').auto() or have_system 1844 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'), 1845 version: '>=0.6', method: 'pkg-config') 1846endif 1847libusb = not_found 1848if not get_option('libusb').auto() or have_system 1849 libusb = dependency('libusb-1.0', required: get_option('libusb'), 1850 version: '>=1.0.13', method: 'pkg-config') 1851endif 1852 1853libpmem = not_found 1854if not get_option('libpmem').auto() or have_system 1855 libpmem = dependency('libpmem', required: get_option('libpmem'), 1856 method: 'pkg-config') 1857endif 1858libdaxctl = not_found 1859if not get_option('libdaxctl').auto() or have_system 1860 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'), 1861 version: '>=57', method: 'pkg-config') 1862endif 1863tasn1 = not_found 1864if gnutls.found() 1865 tasn1 = dependency('libtasn1', 1866 method: 'pkg-config') 1867endif 1868keyutils = not_found 1869if not get_option('libkeyutils').auto() or have_block 1870 keyutils = dependency('libkeyutils', required: get_option('libkeyutils'), 1871 method: 'pkg-config') 1872endif 1873 1874has_gettid = cc.has_function('gettid') 1875 1876# libselinux 1877selinux = dependency('libselinux', 1878 required: get_option('selinux'), 1879 method: 'pkg-config') 1880 1881# Malloc tests 1882 1883malloc = [] 1884if get_option('malloc') == 'system' 1885 has_malloc_trim = \ 1886 get_option('malloc_trim').allowed() and \ 1887 cc.has_function('malloc_trim', prefix: '#include <malloc.h>') 1888else 1889 has_malloc_trim = false 1890 malloc = cc.find_library(get_option('malloc'), required: true) 1891endif 1892if not has_malloc_trim and get_option('malloc_trim').enabled() 1893 if get_option('malloc') == 'system' 1894 error('malloc_trim not available on this platform.') 1895 else 1896 error('malloc_trim not available with non-libc memory allocator') 1897 endif 1898endif 1899 1900gnu_source_prefix = ''' 1901 #ifndef _GNU_SOURCE 1902 #define _GNU_SOURCE 1903 #endif 1904''' 1905 1906# Check whether the glibc provides STATX_BASIC_STATS 1907 1908has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix) 1909 1910# Check whether statx() provides mount ID information 1911 1912has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix) 1913 1914have_vhost_user_blk_server = get_option('vhost_user_blk_server') \ 1915 .require(host_os == 'linux', 1916 error_message: 'vhost_user_blk_server requires linux') \ 1917 .require(have_vhost_user, 1918 error_message: 'vhost_user_blk_server requires vhost-user support') \ 1919 .disable_auto_if(not have_tools and not have_system) \ 1920 .allowed() 1921 1922if get_option('fuse').disabled() and get_option('fuse_lseek').enabled() 1923 error('Cannot enable fuse-lseek while fuse is disabled') 1924endif 1925 1926fuse = dependency('fuse3', required: get_option('fuse'), 1927 version: '>=3.1', method: 'pkg-config') 1928 1929fuse_lseek = not_found 1930if get_option('fuse_lseek').allowed() 1931 if fuse.version().version_compare('>=3.8') 1932 # Dummy dependency 1933 fuse_lseek = declare_dependency() 1934 elif get_option('fuse_lseek').enabled() 1935 if fuse.found() 1936 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version()) 1937 else 1938 error('fuse-lseek requires libfuse, which was not found') 1939 endif 1940 endif 1941endif 1942 1943have_libvduse = (host_os == 'linux') 1944if get_option('libvduse').enabled() 1945 if host_os != 'linux' 1946 error('libvduse requires linux') 1947 endif 1948elif get_option('libvduse').disabled() 1949 have_libvduse = false 1950endif 1951 1952have_vduse_blk_export = (have_libvduse and host_os == 'linux') 1953if get_option('vduse_blk_export').enabled() 1954 if host_os != 'linux' 1955 error('vduse_blk_export requires linux') 1956 elif not have_libvduse 1957 error('vduse_blk_export requires libvduse support') 1958 endif 1959elif get_option('vduse_blk_export').disabled() 1960 have_vduse_blk_export = false 1961endif 1962 1963# libbpf 1964libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config') 1965if libbpf.found() and not cc.links(''' 1966 #include <bpf/libbpf.h> 1967 int main(void) 1968 { 1969 bpf_object__destroy_skeleton(NULL); 1970 return 0; 1971 }''', dependencies: libbpf) 1972 libbpf = not_found 1973 if get_option('bpf').enabled() 1974 error('libbpf skeleton test failed') 1975 else 1976 warning('libbpf skeleton test failed, disabling') 1977 endif 1978endif 1979 1980# libxdp 1981libxdp = not_found 1982if not get_option('af_xdp').auto() or have_system 1983 libxdp = dependency('libxdp', required: get_option('af_xdp'), 1984 version: '>=1.4.0', method: 'pkg-config') 1985endif 1986 1987# libdw 1988libdw = not_found 1989if not get_option('libdw').auto() or \ 1990 (not get_option('prefer_static') and (have_system or have_user)) 1991 libdw = dependency('libdw', 1992 method: 'pkg-config', 1993 required: get_option('libdw')) 1994endif 1995 1996################# 1997# config-host.h # 1998################# 1999 2000config_host_data = configuration_data() 2001 2002audio_drivers_selected = [] 2003if have_system 2004 audio_drivers_available = { 2005 'alsa': alsa.found(), 2006 'coreaudio': coreaudio.found(), 2007 'dsound': dsound.found(), 2008 'jack': jack.found(), 2009 'oss': oss.found(), 2010 'pa': pulse.found(), 2011 'pipewire': pipewire.found(), 2012 'sdl': sdl.found(), 2013 'sndio': sndio.found(), 2014 } 2015 foreach k, v: audio_drivers_available 2016 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v) 2017 endforeach 2018 2019 # Default to native drivers first, OSS second, SDL third 2020 audio_drivers_priority = \ 2021 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \ 2022 (host_os == 'linux' ? [] : [ 'sdl' ]) 2023 audio_drivers_default = [] 2024 foreach k: audio_drivers_priority 2025 if audio_drivers_available[k] 2026 audio_drivers_default += k 2027 endif 2028 endforeach 2029 2030 foreach k: get_option('audio_drv_list') 2031 if k == 'default' 2032 audio_drivers_selected += audio_drivers_default 2033 elif not audio_drivers_available[k] 2034 error('Audio driver "@0@" not available.'.format(k)) 2035 else 2036 audio_drivers_selected += k 2037 endif 2038 endforeach 2039endif 2040config_host_data.set('CONFIG_AUDIO_DRIVERS', 2041 '"' + '", "'.join(audio_drivers_selected) + '", ') 2042 2043have_host_block_device = (host_os != 'darwin' or 2044 cc.has_header('IOKit/storage/IOMedia.h')) 2045 2046dbus_display = get_option('dbus_display') \ 2047 .require(gio.version().version_compare('>=2.64'), 2048 error_message: '-display dbus requires glib>=2.64') \ 2049 .require(gdbus_codegen.found(), 2050 error_message: gdbus_codegen_error.format('-display dbus')) \ 2051 .allowed() 2052 2053have_virtfs = get_option('virtfs') \ 2054 .require(host_os == 'linux' or host_os == 'darwin', 2055 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \ 2056 .require(host_os == 'linux' or cc.has_function('pthread_fchdir_np'), 2057 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \ 2058 .require(host_os == 'darwin' or libattr.found(), 2059 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \ 2060 .disable_auto_if(not have_tools and not have_system) \ 2061 .allowed() 2062 2063have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \ 2064 .require(host_os != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \ 2065 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \ 2066 .disable_auto_if(not have_tools) \ 2067 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \ 2068 .allowed() 2069 2070if get_option('block_drv_ro_whitelist') == '' 2071 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '') 2072else 2073 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', 2074 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ') 2075endif 2076if get_option('block_drv_rw_whitelist') == '' 2077 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '') 2078else 2079 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', 2080 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ') 2081endif 2082 2083foreach k : get_option('trace_backends') 2084 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true) 2085endforeach 2086config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file')) 2087config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority')) 2088if iasl.found() 2089 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path()) 2090endif 2091config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir')) 2092config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix')) 2093config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir) 2094config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir) 2095config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir) 2096 2097qemu_firmwarepath = '' 2098foreach k : get_option('qemu_firmwarepath') 2099 qemu_firmwarepath += '"' + get_option('prefix') / k + '", ' 2100endforeach 2101config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath) 2102 2103config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir')) 2104config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir) 2105config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir')) 2106config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir')) 2107config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir) 2108config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir')) 2109 2110if enable_modules 2111 config_host_data.set('CONFIG_STAMP', run_command( 2112 meson.current_source_dir() / 'scripts/qemu-stamp.py', 2113 meson.project_version(), get_option('pkgversion'), '--', 2114 meson.current_source_dir() / 'configure', 2115 capture: true, check: true).stdout().strip()) 2116endif 2117 2118have_slirp_smbd = get_option('slirp_smbd') \ 2119 .require(host_os != 'windows', error_message: 'Host smbd not supported on this platform.') \ 2120 .allowed() 2121if have_slirp_smbd 2122 smbd_path = get_option('smbd') 2123 if smbd_path == '' 2124 smbd_path = (host_os == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd') 2125 endif 2126 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path) 2127endif 2128 2129config_host_data.set('HOST_' + host_arch.to_upper(), 1) 2130 2131kvm_targets_c = '""' 2132if get_option('kvm').allowed() and host_os == 'linux' 2133 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"' 2134endif 2135config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c) 2136 2137if get_option('module_upgrades') and not enable_modules 2138 error('Cannot enable module-upgrades as modules are not enabled') 2139endif 2140config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades')) 2141 2142config_host_data.set('CONFIG_ATTR', libattr.found()) 2143config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools')) 2144config_host_data.set('CONFIG_BRLAPI', brlapi.found()) 2145config_host_data.set('CONFIG_BSD', host_os in bsd_oses) 2146config_host_data.set('CONFIG_CAPSTONE', capstone.found()) 2147config_host_data.set('CONFIG_COCOA', cocoa.found()) 2148config_host_data.set('CONFIG_DARWIN', host_os == 'darwin') 2149config_host_data.set('CONFIG_FUZZ', get_option('fuzzing')) 2150config_host_data.set('CONFIG_GCOV', get_option('b_coverage')) 2151config_host_data.set('CONFIG_LIBUDEV', libudev.found()) 2152config_host_data.set('CONFIG_LINUX', host_os == 'linux') 2153config_host_data.set('CONFIG_POSIX', host_os != 'windows') 2154config_host_data.set('CONFIG_WIN32', host_os == 'windows') 2155config_host_data.set('CONFIG_LZO', lzo.found()) 2156config_host_data.set('CONFIG_MPATH', mpathpersist.found()) 2157config_host_data.set('CONFIG_BLKIO', blkio.found()) 2158if blkio.found() 2159 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD', 2160 blkio.version().version_compare('>=1.3.0')) 2161endif 2162config_host_data.set('CONFIG_CURL', curl.found()) 2163config_host_data.set('CONFIG_CURSES', curses.found()) 2164config_host_data.set('CONFIG_GBM', gbm.found()) 2165config_host_data.set('CONFIG_GIO', gio.found()) 2166config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found()) 2167if glusterfs.found() 2168 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4')) 2169 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5')) 2170 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6')) 2171 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6')) 2172 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat) 2173 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat) 2174endif 2175config_host_data.set('CONFIG_GTK', gtk.found()) 2176config_host_data.set('CONFIG_VTE', vte.found()) 2177config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard) 2178config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser')) 2179config_host_data.set('CONFIG_LIBATTR', have_old_libattr) 2180config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found()) 2181config_host_data.set('CONFIG_EBPF', libbpf.found()) 2182config_host_data.set('CONFIG_AF_XDP', libxdp.found()) 2183config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found()) 2184config_host_data.set('CONFIG_LIBISCSI', libiscsi.found()) 2185config_host_data.set('CONFIG_LIBNFS', libnfs.found()) 2186config_host_data.set('CONFIG_LIBSSH', libssh.found()) 2187config_host_data.set('CONFIG_LINUX_AIO', libaio.found()) 2188config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found()) 2189config_host_data.set('CONFIG_LIBPMEM', libpmem.found()) 2190config_host_data.set('CONFIG_MODULES', enable_modules) 2191config_host_data.set('CONFIG_NUMA', numa.found()) 2192if numa.found() 2193 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY', 2194 cc.has_function('numa_has_preferred_many', 2195 dependencies: numa)) 2196endif 2197config_host_data.set('CONFIG_OPENGL', opengl.found()) 2198config_host_data.set('CONFIG_PLUGIN', get_option('plugins')) 2199config_host_data.set('CONFIG_RBD', rbd.found()) 2200config_host_data.set('CONFIG_RDMA', rdma.found()) 2201config_host_data.set('CONFIG_RELOCATABLE', get_option('relocatable')) 2202config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack')) 2203config_host_data.set('CONFIG_SDL', sdl.found()) 2204config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found()) 2205config_host_data.set('CONFIG_SECCOMP', seccomp.found()) 2206if seccomp.found() 2207 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc) 2208endif 2209config_host_data.set('CONFIG_PIXMAN', pixman.found()) 2210config_host_data.set('CONFIG_SLIRP', slirp.found()) 2211config_host_data.set('CONFIG_SNAPPY', snappy.found()) 2212config_host_data.set('CONFIG_SOLARIS', host_os == 'sunos') 2213if get_option('tcg').allowed() 2214 config_host_data.set('CONFIG_TCG', 1) 2215 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci') 2216endif 2217config_host_data.set('CONFIG_TPM', have_tpm) 2218config_host_data.set('CONFIG_TSAN', get_option('tsan')) 2219config_host_data.set('CONFIG_USB_LIBUSB', libusb.found()) 2220config_host_data.set('CONFIG_VDE', vde.found()) 2221config_host_data.set('CONFIG_VHOST', have_vhost) 2222config_host_data.set('CONFIG_VHOST_NET', have_vhost_net) 2223config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user) 2224config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa) 2225config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel) 2226config_host_data.set('CONFIG_VHOST_USER', have_vhost_user) 2227config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto) 2228config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa) 2229config_host_data.set('CONFIG_VMNET', vmnet.found()) 2230config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server) 2231config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export) 2232config_host_data.set('CONFIG_PNG', png.found()) 2233config_host_data.set('CONFIG_VNC', vnc.found()) 2234config_host_data.set('CONFIG_VNC_JPEG', jpeg.found()) 2235config_host_data.set('CONFIG_VNC_SASL', sasl.found()) 2236if virgl.found() 2237 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT', 2238 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d', 2239 prefix: '#include <virglrenderer.h>', 2240 dependencies: virgl)) 2241endif 2242config_host_data.set('CONFIG_VIRTFS', have_virtfs) 2243config_host_data.set('CONFIG_VTE', vte.found()) 2244config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found()) 2245config_host_data.set('CONFIG_KEYUTILS', keyutils.found()) 2246config_host_data.set('CONFIG_GETTID', has_gettid) 2247config_host_data.set('CONFIG_GNUTLS', gnutls.found()) 2248config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found()) 2249config_host_data.set('CONFIG_TASN1', tasn1.found()) 2250config_host_data.set('CONFIG_GCRYPT', gcrypt.found()) 2251config_host_data.set('CONFIG_NETTLE', nettle.found()) 2252config_host_data.set('CONFIG_HOGWEED', hogweed.found()) 2253config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private') 2254config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim) 2255config_host_data.set('CONFIG_STATX', has_statx) 2256config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id) 2257config_host_data.set('CONFIG_ZSTD', zstd.found()) 2258config_host_data.set('CONFIG_FUSE', fuse.found()) 2259config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found()) 2260config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found()) 2261if spice_protocol.found() 2262config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0]) 2263config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1]) 2264config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2]) 2265endif 2266config_host_data.set('CONFIG_SPICE', spice.found()) 2267config_host_data.set('CONFIG_X11', x11.found()) 2268config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display) 2269config_host_data.set('CONFIG_CFI', get_option('cfi')) 2270config_host_data.set('CONFIG_SELINUX', selinux.found()) 2271config_host_data.set('CONFIG_XEN_BACKEND', xen.found()) 2272config_host_data.set('CONFIG_LIBDW', libdw.found()) 2273if xen.found() 2274 # protect from xen.version() having less than three components 2275 xen_version = xen.version().split('.') + ['0', '0'] 2276 xen_ctrl_version = xen_version[0] + \ 2277 ('0' + xen_version[1]).substring(-2) + \ 2278 ('0' + xen_version[2]).substring(-2) 2279 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version) 2280endif 2281config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version())) 2282config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0]) 2283config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1]) 2284config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2]) 2285 2286config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf) 2287config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device) 2288 2289have_coroutine_pool = get_option('coroutine_pool') 2290if get_option('debug_stack_usage') and have_coroutine_pool 2291 message('Disabling coroutine pool to measure stack usage') 2292 have_coroutine_pool = false 2293endif 2294config_host_data.set('CONFIG_COROUTINE_POOL', have_coroutine_pool) 2295config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock')) 2296config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex')) 2297config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage')) 2298config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg')) 2299config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed()) 2300config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug')) 2301config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed()) 2302 2303# has_header 2304config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h')) 2305config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h')) 2306config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h')) 2307config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h')) 2308config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h')) 2309config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h')) 2310config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h')) 2311config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h')) 2312config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h')) 2313if host_os == 'windows' 2314 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h')) 2315endif 2316 2317# has_function 2318config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range')) 2319config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4')) 2320config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime')) 2321config_host_data.set('CONFIG_DUP3', cc.has_function('dup3')) 2322config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate')) 2323config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate')) 2324config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix)) 2325config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>')) 2326# Note that we need to specify prefix: here to avoid incorrectly 2327# thinking that Windows has posix_memalign() 2328config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>')) 2329config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc')) 2330config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc')) 2331config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign')) 2332config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll')) 2333config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>')) 2334config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np')) 2335config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile')) 2336config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare')) 2337config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs')) 2338config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range')) 2339config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create')) 2340config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range')) 2341config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs')) 2342config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice) 2343config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util)) 2344config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul')) 2345config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>')) 2346if rbd.found() 2347 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS', 2348 cc.has_function('rbd_namespace_exists', 2349 dependencies: rbd, 2350 prefix: '#include <rbd/librbd.h>')) 2351endif 2352if rdma.found() 2353 config_host_data.set('HAVE_IBV_ADVISE_MR', 2354 cc.has_function('ibv_advise_mr', 2355 dependencies: rdma, 2356 prefix: '#include <infiniband/verbs.h>')) 2357endif 2358 2359have_asan_fiber = false 2360if get_option('sanitizers') and \ 2361 not cc.has_function('__sanitizer_start_switch_fiber', 2362 args: '-fsanitize=address', 2363 prefix: '#include <sanitizer/asan_interface.h>') 2364 warning('Missing ASAN due to missing fiber annotation interface') 2365 warning('Without code annotation, the report may be inferior.') 2366else 2367 have_asan_fiber = true 2368endif 2369config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber) 2370 2371# has_header_symbol 2372config_host_data.set('CONFIG_BLKZONED', 2373 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE')) 2374config_host_data.set('CONFIG_EPOLL_CREATE1', 2375 cc.has_header_symbol('sys/epoll.h', 'epoll_create1')) 2376config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE', 2377 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and 2378 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE')) 2379config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE', 2380 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE')) 2381config_host_data.set('CONFIG_FIEMAP', 2382 cc.has_header('linux/fiemap.h') and 2383 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP')) 2384config_host_data.set('CONFIG_GETRANDOM', 2385 cc.has_function('getrandom') and 2386 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK')) 2387config_host_data.set('CONFIG_INOTIFY', 2388 cc.has_header_symbol('sys/inotify.h', 'inotify_init')) 2389config_host_data.set('CONFIG_INOTIFY1', 2390 cc.has_header_symbol('sys/inotify.h', 'inotify_init1')) 2391config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK', 2392 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK')) 2393config_host_data.set('CONFIG_RTNETLINK', 2394 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN')) 2395config_host_data.set('CONFIG_SYSMACROS', 2396 cc.has_header_symbol('sys/sysmacros.h', 'makedev')) 2397config_host_data.set('HAVE_OPTRESET', 2398 cc.has_header_symbol('getopt.h', 'optreset')) 2399config_host_data.set('HAVE_IPPROTO_MPTCP', 2400 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP')) 2401 2402# has_member 2403config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID', 2404 cc.has_member('struct sigevent', 'sigev_notify_thread_id', 2405 prefix: '#include <signal.h>')) 2406config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM', 2407 cc.has_member('struct stat', 'st_atim', 2408 prefix: '#include <sys/stat.h>')) 2409config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY', 2410 cc.has_member('struct blk_zone', 'capacity', 2411 prefix: '#include <linux/blkzoned.h>')) 2412 2413# has_type 2414config_host_data.set('CONFIG_IOVEC', 2415 cc.has_type('struct iovec', 2416 prefix: '#include <sys/uio.h>')) 2417config_host_data.set('HAVE_UTMPX', 2418 cc.has_type('struct utmpx', 2419 prefix: '#include <utmpx.h>')) 2420 2421config_host_data.set('CONFIG_EVENTFD', cc.links(''' 2422 #include <sys/eventfd.h> 2423 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }''')) 2424config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + ''' 2425 #include <unistd.h> 2426 int main(void) { 2427 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0 2428 return fdatasync(0); 2429 #else 2430 #error Not supported 2431 #endif 2432 }''')) 2433 2434has_madvise = cc.links(gnu_source_prefix + ''' 2435 #include <sys/types.h> 2436 #include <sys/mman.h> 2437 #include <stddef.h> 2438 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''') 2439missing_madvise_proto = false 2440if has_madvise 2441 # Some platforms (illumos and Solaris before Solaris 11) provide madvise() 2442 # but forget to prototype it. In this case, has_madvise will be true (the 2443 # test program links despite a compile warning). To detect the 2444 # missing-prototype case, we try again with a definitely-bogus prototype. 2445 # This will only compile if the system headers don't provide the prototype; 2446 # otherwise the conflicting prototypes will cause a compiler error. 2447 missing_madvise_proto = cc.links(gnu_source_prefix + ''' 2448 #include <sys/types.h> 2449 #include <sys/mman.h> 2450 #include <stddef.h> 2451 extern int madvise(int); 2452 int main(void) { return madvise(0); }''') 2453endif 2454config_host_data.set('CONFIG_MADVISE', has_madvise) 2455config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto) 2456 2457config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + ''' 2458 #include <sys/mman.h> 2459 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }''')) 2460config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + ''' 2461 #include <fcntl.h> 2462 #if !defined(AT_EMPTY_PATH) 2463 # error missing definition 2464 #else 2465 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); } 2466 #endif''')) 2467config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + ''' 2468 #include <sys/mman.h> 2469 #include <stddef.h> 2470 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }''')) 2471 2472config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + ''' 2473 #include <pthread.h> 2474 2475 static void *f(void *p) { return NULL; } 2476 int main(void) 2477 { 2478 pthread_t thread; 2479 pthread_create(&thread, 0, f, 0); 2480 pthread_setname_np(thread, "QEMU"); 2481 return 0; 2482 }''', dependencies: threads)) 2483config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + ''' 2484 #include <pthread.h> 2485 2486 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; } 2487 int main(void) 2488 { 2489 pthread_t thread; 2490 pthread_create(&thread, 0, f, 0); 2491 return 0; 2492 }''', dependencies: threads)) 2493config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + ''' 2494 #include <pthread.h> 2495 #include <pthread_np.h> 2496 2497 static void *f(void *p) { return NULL; } 2498 int main(void) 2499 { 2500 pthread_t thread; 2501 pthread_create(&thread, 0, f, 0); 2502 pthread_set_name_np(thread, "QEMU"); 2503 return 0; 2504 }''', dependencies: threads)) 2505config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + ''' 2506 #include <pthread.h> 2507 #include <time.h> 2508 2509 int main(void) 2510 { 2511 pthread_condattr_t attr 2512 pthread_condattr_init(&attr); 2513 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC); 2514 return 0; 2515 }''', dependencies: threads)) 2516config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + ''' 2517 #include <pthread.h> 2518 2519 static void *f(void *p) { return NULL; } 2520 int main(void) 2521 { 2522 int setsize = CPU_ALLOC_SIZE(64); 2523 pthread_t thread; 2524 cpu_set_t *cpuset; 2525 pthread_create(&thread, 0, f, 0); 2526 cpuset = CPU_ALLOC(64); 2527 CPU_ZERO_S(setsize, cpuset); 2528 pthread_setaffinity_np(thread, setsize, cpuset); 2529 pthread_getaffinity_np(thread, setsize, cpuset); 2530 CPU_FREE(cpuset); 2531 return 0; 2532 }''', dependencies: threads)) 2533config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + ''' 2534 #include <sys/signalfd.h> 2535 #include <stddef.h> 2536 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }''')) 2537config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + ''' 2538 #include <unistd.h> 2539 #include <fcntl.h> 2540 #include <limits.h> 2541 2542 int main(void) 2543 { 2544 int len, fd = 0; 2545 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK); 2546 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE); 2547 return 0; 2548 }''')) 2549 2550config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + ''' 2551 #include <sys/mman.h> 2552 int main(void) { 2553 return mlockall(MCL_FUTURE); 2554 }''')) 2555 2556have_l2tpv3 = false 2557if get_option('l2tpv3').allowed() and have_system 2558 have_l2tpv3 = cc.has_type('struct mmsghdr', 2559 prefix: gnu_source_prefix + ''' 2560 #include <sys/socket.h> 2561 #include <linux/ip.h>''') 2562endif 2563config_host_data.set('CONFIG_L2TPV3', have_l2tpv3) 2564 2565have_netmap = false 2566if get_option('netmap').allowed() and have_system 2567 have_netmap = cc.compiles(''' 2568 #include <inttypes.h> 2569 #include <net/if.h> 2570 #include <net/netmap.h> 2571 #include <net/netmap_user.h> 2572 #if (NETMAP_API < 11) || (NETMAP_API > 15) 2573 #error 2574 #endif 2575 int main(void) { return 0; }''') 2576 if not have_netmap and get_option('netmap').enabled() 2577 error('Netmap headers not available') 2578 endif 2579endif 2580config_host_data.set('CONFIG_NETMAP', have_netmap) 2581 2582# Work around a system header bug with some kernel/XFS header 2583# versions where they both try to define 'struct fsxattr': 2584# xfs headers will not try to redefine structs from linux headers 2585# if this macro is set. 2586config_host_data.set('HAVE_FSXATTR', cc.links(''' 2587 #include <linux/fs.h> 2588 struct fsxattr foo; 2589 int main(void) { 2590 return 0; 2591 }''')) 2592 2593# Some versions of Mac OS X incorrectly define SIZE_MAX 2594config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles(''' 2595 #include <stdint.h> 2596 #include <stdio.h> 2597 int main(void) { 2598 return printf("%zu", SIZE_MAX); 2599 }''', args: ['-Werror'])) 2600 2601# See if 64-bit atomic operations are supported. 2602# Note that without __atomic builtins, we can only 2603# assume atomic loads/stores max at pointer size. 2604config_host_data.set('CONFIG_ATOMIC64', cc.links(''' 2605 #include <stdint.h> 2606 int main(void) 2607 { 2608 uint64_t x = 0, y = 0; 2609 y = __atomic_load_n(&x, __ATOMIC_RELAXED); 2610 __atomic_store_n(&x, y, __ATOMIC_RELAXED); 2611 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED); 2612 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED); 2613 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED); 2614 return 0; 2615 }''')) 2616 2617has_int128_type = cc.compiles(''' 2618 __int128_t a; 2619 __uint128_t b; 2620 int main(void) { b = a; }''') 2621config_host_data.set('CONFIG_INT128_TYPE', has_int128_type) 2622 2623has_int128 = has_int128_type and cc.links(''' 2624 __int128_t a; 2625 __uint128_t b; 2626 int main (void) { 2627 a = a + b; 2628 b = a * b; 2629 a = a * a; 2630 return 0; 2631 }''') 2632config_host_data.set('CONFIG_INT128', has_int128) 2633 2634if has_int128_type 2635 # "do we have 128-bit atomics which are handled inline and specifically not 2636 # via libatomic". The reason we can't use libatomic is documented in the 2637 # comment starting "GCC is a house divided" in include/qemu/atomic128.h. 2638 # We only care about these operations on 16-byte aligned pointers, so 2639 # force 16-byte alignment of the pointer, which may be greater than 2640 # __alignof(unsigned __int128) for the host. 2641 atomic_test_128 = ''' 2642 int main(int ac, char **av) { 2643 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16); 2644 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED); 2645 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED); 2646 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED); 2647 return 0; 2648 }''' 2649 has_atomic128 = cc.links(atomic_test_128) 2650 2651 config_host_data.set('CONFIG_ATOMIC128', has_atomic128) 2652 2653 if not has_atomic128 2654 # Even with __builtin_assume_aligned, the above test may have failed 2655 # without optimization enabled. Try again with optimizations locally 2656 # enabled for the function. See 2657 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389 2658 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128) 2659 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt) 2660 2661 if not has_atomic128_opt 2662 config_host_data.set('CONFIG_CMPXCHG128', cc.links(''' 2663 int main(void) 2664 { 2665 __uint128_t x = 0, y = 0; 2666 __sync_val_compare_and_swap_16(&x, y, x); 2667 return 0; 2668 } 2669 ''')) 2670 endif 2671 endif 2672endif 2673 2674config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + ''' 2675 #include <sys/auxv.h> 2676 int main(void) { 2677 return getauxval(AT_HWCAP) == 0; 2678 }''')) 2679 2680config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles(''' 2681 #include <linux/usbdevice_fs.h> 2682 2683 #ifndef USBDEVFS_GET_CAPABILITIES 2684 #error "USBDEVFS_GET_CAPABILITIES undefined" 2685 #endif 2686 2687 #ifndef USBDEVFS_DISCONNECT_CLAIM 2688 #error "USBDEVFS_DISCONNECT_CLAIM undefined" 2689 #endif 2690 2691 int main(void) { return 0; }''')) 2692 2693have_keyring = get_option('keyring') \ 2694 .require(host_os == 'linux', error_message: 'keyring is only available on Linux') \ 2695 .require(cc.compiles(''' 2696 #include <errno.h> 2697 #include <asm/unistd.h> 2698 #include <linux/keyctl.h> 2699 #include <sys/syscall.h> 2700 #include <unistd.h> 2701 int main(void) { 2702 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0); 2703 }'''), error_message: 'keyctl syscall not available on this system').allowed() 2704config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring) 2705 2706have_cpuid_h = cc.links(''' 2707 #include <cpuid.h> 2708 int main(void) { 2709 unsigned a, b, c, d; 2710 unsigned max = __get_cpuid_max(0, 0); 2711 2712 if (max >= 1) { 2713 __cpuid(1, a, b, c, d); 2714 } 2715 2716 if (max >= 7) { 2717 __cpuid_count(7, 0, a, b, c, d); 2718 } 2719 2720 return 0; 2721 }''') 2722config_host_data.set('CONFIG_CPUID_H', have_cpuid_h) 2723 2724config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \ 2725 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \ 2726 .require(cc.links(''' 2727 #include <cpuid.h> 2728 #include <immintrin.h> 2729 static int __attribute__((target("avx2"))) bar(void *a) { 2730 __m256i x = *(__m256i *)a; 2731 return _mm256_testz_si256(x, x); 2732 } 2733 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); } 2734 '''), error_message: 'AVX2 not available').allowed()) 2735 2736config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \ 2737 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \ 2738 .require(cc.links(''' 2739 #include <cpuid.h> 2740 #include <immintrin.h> 2741 static int __attribute__((target("avx512f"))) bar(void *a) { 2742 __m512i x = *(__m512i *)a; 2743 return _mm512_test_epi64_mask(x, x); 2744 } 2745 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); } 2746 '''), error_message: 'AVX512F not available').allowed()) 2747 2748config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \ 2749 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \ 2750 .require(cc.links(''' 2751 #include <cpuid.h> 2752 #include <immintrin.h> 2753 static int __attribute__((target("avx512bw"))) bar(void *a) { 2754 __m512i *x = a; 2755 __m512i res= _mm512_abs_epi8(*x); 2756 return res[1]; 2757 } 2758 int main(int argc, char *argv[]) { return bar(argv[0]); } 2759 '''), error_message: 'AVX512BW not available').allowed()) 2760 2761# For both AArch64 and AArch32, detect if builtins are available. 2762config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles(''' 2763 #include <arm_neon.h> 2764 #ifndef __ARM_FEATURE_AES 2765 __attribute__((target("+crypto"))) 2766 #endif 2767 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); } 2768 ''')) 2769 2770have_pvrdma = get_option('pvrdma') \ 2771 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \ 2772 .require(cc.compiles(gnu_source_prefix + ''' 2773 #include <sys/mman.h> 2774 int main(void) 2775 { 2776 char buf = 0; 2777 void *addr = &buf; 2778 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED); 2779 2780 return 0; 2781 }'''), error_message: 'PVRDMA requires mremap').allowed() 2782 2783if have_pvrdma 2784 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links(''' 2785 #include <infiniband/verbs.h> 2786 int main(void) 2787 { 2788 struct ibv_mr *mr; 2789 struct ibv_pd *pd = NULL; 2790 size_t length = 10; 2791 uint64_t iova = 0; 2792 int access = 0; 2793 void *addr = NULL; 2794 2795 mr = ibv_reg_mr_iova(pd, addr, length, iova, access); 2796 ibv_dereg_mr(mr); 2797 return 0; 2798 }''')) 2799endif 2800 2801if get_option('membarrier').disabled() 2802 have_membarrier = false 2803elif host_os == 'windows' 2804 have_membarrier = true 2805elif host_os == 'linux' 2806 have_membarrier = cc.compiles(''' 2807 #include <linux/membarrier.h> 2808 #include <sys/syscall.h> 2809 #include <unistd.h> 2810 #include <stdlib.h> 2811 int main(void) { 2812 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0); 2813 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0); 2814 exit(0); 2815 }''') 2816endif 2817config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \ 2818 .require(have_membarrier, error_message: 'membarrier system call not available') \ 2819 .allowed()) 2820 2821have_afalg = get_option('crypto_afalg') \ 2822 .require(cc.compiles(gnu_source_prefix + ''' 2823 #include <errno.h> 2824 #include <sys/types.h> 2825 #include <sys/socket.h> 2826 #include <linux/if_alg.h> 2827 int main(void) { 2828 int sock; 2829 sock = socket(AF_ALG, SOCK_SEQPACKET, 0); 2830 return sock; 2831 } 2832 '''), error_message: 'AF_ALG requested but could not be detected').allowed() 2833config_host_data.set('CONFIG_AF_ALG', have_afalg) 2834 2835config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol( 2836 'linux/vm_sockets.h', 'AF_VSOCK', 2837 prefix: '#include <sys/socket.h>', 2838)) 2839 2840have_vss = false 2841have_vss_sdk = false # old xp/2003 SDK 2842if host_os == 'windows' and 'cpp' in all_languages 2843 have_vss = cxx.compiles(''' 2844 #define __MIDL_user_allocate_free_DEFINED__ 2845 #include <vss.h> 2846 int main(void) { return VSS_CTX_BACKUP; }''') 2847 have_vss_sdk = cxx.has_header('vscoordint.h') 2848endif 2849config_host_data.set('HAVE_VSS_SDK', have_vss_sdk) 2850 2851# Older versions of MinGW do not import _lock_file and _unlock_file properly. 2852# This was fixed for v6.0.0 with commit b48e3ac8969d. 2853if host_os == 'windows' 2854 config_host_data.set('HAVE__LOCK_FILE', cc.links(''' 2855 #include <stdio.h> 2856 int main(void) { 2857 _lock_file(NULL); 2858 _unlock_file(NULL); 2859 return 0; 2860 }''', name: '_lock_file and _unlock_file')) 2861endif 2862 2863if host_os == 'windows' 2864 mingw_has_setjmp_longjmp = cc.links(''' 2865 #include <setjmp.h> 2866 int main(void) { 2867 /* 2868 * These functions are not available in setjmp header, but may be 2869 * available at link time, from libmingwex.a. 2870 */ 2871 extern int __mingw_setjmp(jmp_buf); 2872 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int); 2873 jmp_buf env; 2874 __mingw_setjmp(env); 2875 __mingw_longjmp(env, 0); 2876 } 2877 ''', name: 'mingw setjmp and longjmp') 2878 2879 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp 2880 error('mingw must provide setjmp/longjmp for windows-arm64') 2881 endif 2882endif 2883 2884######################## 2885# Target configuration # 2886######################## 2887 2888minikconf = find_program('scripts/minikconf.py') 2889 2890config_all_accel = {} 2891config_all_devices = {} 2892config_devices_mak_list = [] 2893config_devices_h = {} 2894config_target_h = {} 2895config_target_mak = {} 2896 2897disassemblers = { 2898 'alpha' : ['CONFIG_ALPHA_DIS'], 2899 'avr' : ['CONFIG_AVR_DIS'], 2900 'cris' : ['CONFIG_CRIS_DIS'], 2901 'hexagon' : ['CONFIG_HEXAGON_DIS'], 2902 'hppa' : ['CONFIG_HPPA_DIS'], 2903 'i386' : ['CONFIG_I386_DIS'], 2904 'x86_64' : ['CONFIG_I386_DIS'], 2905 'm68k' : ['CONFIG_M68K_DIS'], 2906 'microblaze' : ['CONFIG_MICROBLAZE_DIS'], 2907 'mips' : ['CONFIG_MIPS_DIS'], 2908 'nios2' : ['CONFIG_NIOS2_DIS'], 2909 'or1k' : ['CONFIG_OPENRISC_DIS'], 2910 'ppc' : ['CONFIG_PPC_DIS'], 2911 'riscv' : ['CONFIG_RISCV_DIS'], 2912 'rx' : ['CONFIG_RX_DIS'], 2913 's390' : ['CONFIG_S390_DIS'], 2914 'sh4' : ['CONFIG_SH4_DIS'], 2915 'sparc' : ['CONFIG_SPARC_DIS'], 2916 'xtensa' : ['CONFIG_XTENSA_DIS'], 2917 'loongarch' : ['CONFIG_LOONGARCH_DIS'], 2918} 2919 2920have_ivshmem = config_host_data.get('CONFIG_EVENTFD') 2921host_kconfig = \ 2922 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \ 2923 (have_tpm ? ['CONFIG_TPM=y'] : []) + \ 2924 (pixman.found() ? ['CONFIG_PIXMAN=y'] : []) + \ 2925 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \ 2926 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \ 2927 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \ 2928 (x11.found() ? ['CONFIG_X11=y'] : []) + \ 2929 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \ 2930 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \ 2931 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \ 2932 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \ 2933 (host_os == 'linux' ? ['CONFIG_LINUX=y'] : []) + \ 2934 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \ 2935 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \ 2936 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : []) + \ 2937 (hv_balloon ? ['CONFIG_HV_BALLOON_POSSIBLE=y'] : []) 2938 2939ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ] 2940 2941default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host 2942actual_target_dirs = [] 2943fdt_required = [] 2944foreach target : target_dirs 2945 config_target = { 'TARGET_NAME': target.split('-')[0] } 2946 if target.endswith('linux-user') 2947 if host_os != 'linux' 2948 if default_targets 2949 continue 2950 endif 2951 error('Target @0@ is only available on a Linux host'.format(target)) 2952 endif 2953 config_target += { 'CONFIG_LINUX_USER': 'y' } 2954 elif target.endswith('bsd-user') 2955 if host_os not in bsd_oses 2956 if default_targets 2957 continue 2958 endif 2959 error('Target @0@ is only available on a BSD host'.format(target)) 2960 endif 2961 config_target += { 'CONFIG_BSD_USER': 'y' } 2962 elif target.endswith('softmmu') 2963 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' } 2964 config_target += { 'CONFIG_SOFTMMU': 'y' } 2965 endif 2966 if target.endswith('-user') 2967 config_target += { 2968 'CONFIG_USER_ONLY': 'y', 2969 'CONFIG_QEMU_INTERP_PREFIX': 2970 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME']) 2971 } 2972 endif 2973 2974 accel_kconfig = [] 2975 foreach sym: accelerators 2976 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, []) 2977 config_target += { sym: 'y' } 2978 config_all_accel += { sym: 'y' } 2979 if target in modular_tcg 2980 config_target += { 'CONFIG_TCG_MODULAR': 'y' } 2981 else 2982 config_target += { 'CONFIG_TCG_BUILTIN': 'y' } 2983 endif 2984 accel_kconfig += [ sym + '=y' ] 2985 endif 2986 endforeach 2987 if accel_kconfig.length() == 0 2988 if default_targets 2989 continue 2990 endif 2991 error('No accelerator available for target @0@'.format(target)) 2992 endif 2993 2994 actual_target_dirs += target 2995 config_target += keyval.load('configs/targets' / target + '.mak') 2996 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' } 2997 2998 if 'TARGET_NEED_FDT' in config_target 2999 fdt_required += target 3000 endif 3001 3002 # Add default keys 3003 if 'TARGET_BASE_ARCH' not in config_target 3004 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']} 3005 endif 3006 if 'TARGET_ABI_DIR' not in config_target 3007 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']} 3008 endif 3009 if 'TARGET_BIG_ENDIAN' not in config_target 3010 config_target += {'TARGET_BIG_ENDIAN': 'n'} 3011 endif 3012 3013 foreach k, v: disassemblers 3014 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k) 3015 foreach sym: v 3016 config_target += { sym: 'y' } 3017 endforeach 3018 endif 3019 endforeach 3020 3021 config_target_data = configuration_data() 3022 foreach k, v: config_target 3023 if not k.startswith('TARGET_') and not k.startswith('CONFIG_') 3024 # do nothing 3025 elif ignored.contains(k) 3026 # do nothing 3027 elif k == 'TARGET_BASE_ARCH' 3028 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is 3029 # not used to select files from sourcesets. 3030 config_target_data.set('TARGET_' + v.to_upper(), 1) 3031 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX' 3032 config_target_data.set_quoted(k, v) 3033 elif v == 'y' 3034 config_target_data.set(k, 1) 3035 elif v == 'n' 3036 config_target_data.set(k, 0) 3037 else 3038 config_target_data.set(k, v) 3039 endif 3040 endforeach 3041 config_target_data.set('QEMU_ARCH', 3042 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper()) 3043 config_target_h += {target: configure_file(output: target + '-config-target.h', 3044 configuration: config_target_data)} 3045 3046 if target.endswith('-softmmu') 3047 config_input = meson.get_external_property(target, 'default') 3048 config_devices_mak = target + '-config-devices.mak' 3049 config_devices_mak = configure_file( 3050 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'], 3051 output: config_devices_mak, 3052 depfile: config_devices_mak + '.d', 3053 capture: true, 3054 command: [minikconf, 3055 get_option('default_devices') ? '--defconfig' : '--allnoconfig', 3056 config_devices_mak, '@DEPFILE@', '@INPUT@', 3057 host_kconfig, accel_kconfig, 3058 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y']) 3059 3060 config_devices_data = configuration_data() 3061 config_devices = keyval.load(config_devices_mak) 3062 foreach k, v: config_devices 3063 config_devices_data.set(k, 1) 3064 endforeach 3065 config_devices_mak_list += config_devices_mak 3066 config_devices_h += {target: configure_file(output: target + '-config-devices.h', 3067 configuration: config_devices_data)} 3068 config_target += config_devices 3069 config_all_devices += config_devices 3070 endif 3071 config_target_mak += {target: config_target} 3072endforeach 3073target_dirs = actual_target_dirs 3074 3075target_configs_h = [] 3076foreach target: target_dirs 3077 target_configs_h += config_target_h[target] 3078 target_configs_h += config_devices_h.get(target, []) 3079endforeach 3080genh += custom_target('config-poison.h', 3081 input: [target_configs_h], 3082 output: 'config-poison.h', 3083 capture: true, 3084 command: [find_program('scripts/make-config-poison.sh'), 3085 target_configs_h]) 3086 3087############### 3088# Subprojects # 3089############### 3090 3091libvfio_user_dep = not_found 3092if have_system and vfio_user_server_allowed 3093 libvfio_user_proj = subproject('libvfio-user', required: true) 3094 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep') 3095endif 3096 3097fdt = not_found 3098fdt_opt = get_option('fdt') 3099if fdt_required.length() > 0 or fdt_opt == 'enabled' 3100 if fdt_opt == 'disabled' 3101 error('fdt disabled but required by targets ' + ', '.join(fdt_required)) 3102 endif 3103 3104 if fdt_opt in ['enabled', 'auto', 'system'] 3105 if get_option('wrap_mode') == 'nodownload' 3106 fdt_opt = 'system' 3107 endif 3108 fdt = cc.find_library('fdt', required: fdt_opt == 'system') 3109 if fdt.found() and cc.links(''' 3110 #include <libfdt.h> 3111 #include <libfdt_env.h> 3112 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''', 3113 dependencies: fdt) 3114 fdt_opt = 'system' 3115 elif fdt_opt == 'system' 3116 error('system libfdt requested, but it is too old (1.5.1 or newer required)') 3117 else 3118 fdt_opt = 'internal' 3119 fdt = not_found 3120 endif 3121 endif 3122 if not fdt.found() 3123 assert(fdt_opt == 'internal') 3124 libfdt_proj = subproject('dtc', required: true, 3125 default_options: ['tools=false', 'yaml=disabled', 3126 'python=disabled', 'default_library=static']) 3127 fdt = libfdt_proj.get_variable('libfdt_dep') 3128 endif 3129else 3130 fdt_opt = 'disabled' 3131endif 3132 3133config_host_data.set('CONFIG_FDT', fdt.found()) 3134 3135vhost_user = not_found 3136if host_os == 'linux' and have_vhost_user 3137 libvhost_user = subproject('libvhost-user') 3138 vhost_user = libvhost_user.get_variable('vhost_user_dep') 3139endif 3140 3141libvduse = not_found 3142if have_libvduse 3143 libvduse_proj = subproject('libvduse') 3144 libvduse = libvduse_proj.get_variable('libvduse_dep') 3145endif 3146 3147##################### 3148# Generated sources # 3149##################### 3150 3151genh += configure_file(output: 'config-host.h', configuration: config_host_data) 3152 3153hxtool = find_program('scripts/hxtool') 3154shaderinclude = find_program('scripts/shaderinclude.py') 3155qapi_gen = find_program('scripts/qapi-gen.py') 3156qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py', 3157 meson.current_source_dir() / 'scripts/qapi/commands.py', 3158 meson.current_source_dir() / 'scripts/qapi/common.py', 3159 meson.current_source_dir() / 'scripts/qapi/error.py', 3160 meson.current_source_dir() / 'scripts/qapi/events.py', 3161 meson.current_source_dir() / 'scripts/qapi/expr.py', 3162 meson.current_source_dir() / 'scripts/qapi/gen.py', 3163 meson.current_source_dir() / 'scripts/qapi/introspect.py', 3164 meson.current_source_dir() / 'scripts/qapi/main.py', 3165 meson.current_source_dir() / 'scripts/qapi/parser.py', 3166 meson.current_source_dir() / 'scripts/qapi/schema.py', 3167 meson.current_source_dir() / 'scripts/qapi/source.py', 3168 meson.current_source_dir() / 'scripts/qapi/types.py', 3169 meson.current_source_dir() / 'scripts/qapi/visit.py', 3170 meson.current_source_dir() / 'scripts/qapi-gen.py' 3171] 3172 3173tracetool = [ 3174 python, files('scripts/tracetool.py'), 3175 '--backend=' + ','.join(get_option('trace_backends')) 3176] 3177tracetool_depends = files( 3178 'scripts/tracetool/backend/log.py', 3179 'scripts/tracetool/backend/__init__.py', 3180 'scripts/tracetool/backend/dtrace.py', 3181 'scripts/tracetool/backend/ftrace.py', 3182 'scripts/tracetool/backend/simple.py', 3183 'scripts/tracetool/backend/syslog.py', 3184 'scripts/tracetool/backend/ust.py', 3185 'scripts/tracetool/format/ust_events_c.py', 3186 'scripts/tracetool/format/ust_events_h.py', 3187 'scripts/tracetool/format/__init__.py', 3188 'scripts/tracetool/format/d.py', 3189 'scripts/tracetool/format/simpletrace_stap.py', 3190 'scripts/tracetool/format/c.py', 3191 'scripts/tracetool/format/h.py', 3192 'scripts/tracetool/format/log_stap.py', 3193 'scripts/tracetool/format/stap.py', 3194 'scripts/tracetool/__init__.py', 3195 'scripts/tracetool/vcpu.py' 3196) 3197 3198qemu_version_cmd = [find_program('scripts/qemu-version.sh'), 3199 meson.current_source_dir(), 3200 get_option('pkgversion'), meson.project_version()] 3201qemu_version = custom_target('qemu-version.h', 3202 output: 'qemu-version.h', 3203 command: qemu_version_cmd, 3204 capture: true, 3205 build_by_default: true, 3206 build_always_stale: true) 3207genh += qemu_version 3208 3209hxdep = [] 3210hx_headers = [ 3211 ['qemu-options.hx', 'qemu-options.def'], 3212 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'], 3213] 3214if have_system 3215 hx_headers += [ 3216 ['hmp-commands.hx', 'hmp-commands.h'], 3217 ['hmp-commands-info.hx', 'hmp-commands-info.h'], 3218 ] 3219endif 3220foreach d : hx_headers 3221 hxdep += custom_target(d[1], 3222 input: files(d[0]), 3223 output: d[1], 3224 capture: true, 3225 command: [hxtool, '-h', '@INPUT0@']) 3226endforeach 3227genh += hxdep 3228 3229############### 3230# Trace files # 3231############### 3232 3233# TODO: add each directory to the subdirs from its own meson.build, once 3234# we have those 3235trace_events_subdirs = [ 3236 'crypto', 3237 'qapi', 3238 'qom', 3239 'monitor', 3240 'util', 3241 'gdbstub', 3242] 3243if have_linux_user 3244 trace_events_subdirs += [ 'linux-user' ] 3245endif 3246if have_bsd_user 3247 trace_events_subdirs += [ 'bsd-user' ] 3248endif 3249if have_block 3250 trace_events_subdirs += [ 3251 'authz', 3252 'block', 3253 'io', 3254 'nbd', 3255 'scsi', 3256 ] 3257endif 3258if have_system 3259 trace_events_subdirs += [ 3260 'accel/kvm', 3261 'audio', 3262 'backends', 3263 'backends/tpm', 3264 'chardev', 3265 'ebpf', 3266 'hw/9pfs', 3267 'hw/acpi', 3268 'hw/adc', 3269 'hw/alpha', 3270 'hw/arm', 3271 'hw/audio', 3272 'hw/block', 3273 'hw/block/dataplane', 3274 'hw/char', 3275 'hw/display', 3276 'hw/dma', 3277 'hw/hyperv', 3278 'hw/i2c', 3279 'hw/i386', 3280 'hw/i386/xen', 3281 'hw/i386/kvm', 3282 'hw/ide', 3283 'hw/input', 3284 'hw/intc', 3285 'hw/isa', 3286 'hw/mem', 3287 'hw/mips', 3288 'hw/misc', 3289 'hw/misc/macio', 3290 'hw/net', 3291 'hw/net/can', 3292 'hw/nubus', 3293 'hw/nvme', 3294 'hw/nvram', 3295 'hw/pci', 3296 'hw/pci-host', 3297 'hw/ppc', 3298 'hw/rdma', 3299 'hw/rdma/vmw', 3300 'hw/rtc', 3301 'hw/s390x', 3302 'hw/scsi', 3303 'hw/sd', 3304 'hw/sh4', 3305 'hw/sparc', 3306 'hw/sparc64', 3307 'hw/ssi', 3308 'hw/timer', 3309 'hw/tpm', 3310 'hw/ufs', 3311 'hw/usb', 3312 'hw/vfio', 3313 'hw/virtio', 3314 'hw/watchdog', 3315 'hw/xen', 3316 'hw/gpio', 3317 'migration', 3318 'net', 3319 'system', 3320 'ui', 3321 'hw/remote', 3322 ] 3323endif 3324if have_system or have_user 3325 trace_events_subdirs += [ 3326 'accel/tcg', 3327 'hw/core', 3328 'target/arm', 3329 'target/arm/hvf', 3330 'target/hppa', 3331 'target/i386', 3332 'target/i386/kvm', 3333 'target/loongarch', 3334 'target/mips/tcg', 3335 'target/nios2', 3336 'target/ppc', 3337 'target/riscv', 3338 'target/s390x', 3339 'target/s390x/kvm', 3340 'target/sparc', 3341 ] 3342endif 3343 3344################### 3345# Collect sources # 3346################### 3347 3348authz_ss = ss.source_set() 3349blockdev_ss = ss.source_set() 3350block_ss = ss.source_set() 3351chardev_ss = ss.source_set() 3352common_ss = ss.source_set() 3353crypto_ss = ss.source_set() 3354hwcore_ss = ss.source_set() 3355io_ss = ss.source_set() 3356qmp_ss = ss.source_set() 3357qom_ss = ss.source_set() 3358system_ss = ss.source_set() 3359specific_fuzz_ss = ss.source_set() 3360specific_ss = ss.source_set() 3361stub_ss = ss.source_set() 3362trace_ss = ss.source_set() 3363user_ss = ss.source_set() 3364util_ss = ss.source_set() 3365 3366# accel modules 3367qtest_module_ss = ss.source_set() 3368tcg_module_ss = ss.source_set() 3369 3370modules = {} 3371target_modules = {} 3372hw_arch = {} 3373target_arch = {} 3374target_system_arch = {} 3375target_user_arch = {} 3376 3377# NOTE: the trace/ subdirectory needs the qapi_trace_events variable 3378# that is filled in by qapi/. 3379subdir('qapi') 3380subdir('qobject') 3381subdir('stubs') 3382subdir('trace') 3383subdir('util') 3384subdir('qom') 3385subdir('authz') 3386subdir('crypto') 3387subdir('ui') 3388subdir('hw') 3389subdir('gdbstub') 3390 3391if enable_modules 3392 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO') 3393 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO') 3394endif 3395 3396qom_ss = qom_ss.apply({}) 3397libqom = static_library('qom', qom_ss.sources() + genh, 3398 dependencies: [qom_ss.dependencies()], 3399 name_suffix: 'fa', 3400 build_by_default: false) 3401qom = declare_dependency(link_whole: libqom) 3402 3403event_loop_base = files('event-loop-base.c') 3404event_loop_base = static_library('event-loop-base', 3405 sources: event_loop_base + genh, 3406 name_suffix: 'fa', 3407 build_by_default: false) 3408event_loop_base = declare_dependency(link_whole: event_loop_base, 3409 dependencies: [qom]) 3410 3411stub_ss = stub_ss.apply({}) 3412 3413util_ss.add_all(trace_ss) 3414util_ss = util_ss.apply({}) 3415libqemuutil = static_library('qemuutil', 3416 build_by_default: false, 3417 sources: util_ss.sources() + stub_ss.sources() + genh, 3418 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman]) 3419qemuutil = declare_dependency(link_with: libqemuutil, 3420 sources: genh + version_res, 3421 dependencies: [event_loop_base]) 3422 3423if have_system or have_user 3424 decodetree = generator(find_program('scripts/decodetree.py'), 3425 output: 'decode-@BASENAME@.c.inc', 3426 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@']) 3427 subdir('libdecnumber') 3428 subdir('target') 3429endif 3430 3431subdir('audio') 3432subdir('io') 3433subdir('chardev') 3434subdir('fsdev') 3435subdir('dump') 3436 3437if have_block 3438 block_ss.add(files( 3439 'block.c', 3440 'blockjob.c', 3441 'job.c', 3442 'qemu-io-cmds.c', 3443 )) 3444 if config_host_data.get('CONFIG_REPLICATION') 3445 block_ss.add(files('replication.c')) 3446 endif 3447 3448 subdir('nbd') 3449 subdir('scsi') 3450 subdir('block') 3451 3452 blockdev_ss.add(files( 3453 'blockdev.c', 3454 'blockdev-nbd.c', 3455 'iothread.c', 3456 'job-qmp.c', 3457 ), gnutls) 3458 3459 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon, 3460 # os-win32.c does not 3461 if host_os == 'windows' 3462 system_ss.add(files('os-win32.c')) 3463 else 3464 blockdev_ss.add(files('os-posix.c')) 3465 endif 3466endif 3467 3468common_ss.add(files('cpu-common.c')) 3469specific_ss.add(files('cpu-target.c')) 3470 3471subdir('system') 3472 3473# Work around a gcc bug/misfeature wherein constant propagation looks 3474# through an alias: 3475# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696 3476# to guess that a const variable is always zero. Without lto, this is 3477# impossible, as the alias is restricted to page-vary-common.c. Indeed, 3478# without lto, not even the alias is required -- we simply use different 3479# declarations in different compilation units. 3480pagevary = files('page-vary-common.c') 3481if get_option('b_lto') 3482 pagevary_flags = ['-fno-lto'] 3483 if get_option('cfi') 3484 pagevary_flags += '-fno-sanitize=cfi-icall' 3485 endif 3486 pagevary = static_library('page-vary-common', sources: pagevary + genh, 3487 c_args: pagevary_flags) 3488 pagevary = declare_dependency(link_with: pagevary) 3489endif 3490common_ss.add(pagevary) 3491specific_ss.add(files('page-vary-target.c')) 3492 3493subdir('backends') 3494subdir('disas') 3495subdir('migration') 3496subdir('monitor') 3497subdir('net') 3498subdir('replay') 3499subdir('semihosting') 3500subdir('stats') 3501subdir('tcg') 3502subdir('fpu') 3503subdir('accel') 3504subdir('plugins') 3505subdir('ebpf') 3506 3507common_user_inc = [] 3508 3509subdir('common-user') 3510subdir('bsd-user') 3511subdir('linux-user') 3512 3513# needed for fuzzing binaries 3514subdir('tests/qtest/libqos') 3515subdir('tests/qtest/fuzz') 3516 3517# accel modules 3518tcg_real_module_ss = ss.source_set() 3519tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss) 3520specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss) 3521target_modules += { 'accel' : { 'qtest': qtest_module_ss, 3522 'tcg': tcg_real_module_ss }} 3523 3524############################################## 3525# Internal static_libraries and dependencies # 3526############################################## 3527 3528modinfo_collect = find_program('scripts/modinfo-collect.py') 3529modinfo_generate = find_program('scripts/modinfo-generate.py') 3530modinfo_files = [] 3531 3532block_mods = [] 3533system_mods = [] 3534foreach d, list : modules 3535 if not (d == 'block' ? have_block : have_system) 3536 continue 3537 endif 3538 3539 foreach m, module_ss : list 3540 if enable_modules 3541 module_ss = module_ss.apply(config_all_devices, strict: false) 3542 sl = static_library(d + '-' + m, [genh, module_ss.sources()], 3543 dependencies: [modulecommon, module_ss.dependencies()], pic: true) 3544 if d == 'block' 3545 block_mods += sl 3546 else 3547 system_mods += sl 3548 endif 3549 if module_ss.sources() != [] 3550 # FIXME: Should use sl.extract_all_objects(recursive: true) as 3551 # input. Sources can be used multiple times but objects are 3552 # unique when it comes to lookup in compile_commands.json. 3553 # Depnds on a mesion version with 3554 # https://github.com/mesonbuild/meson/pull/8900 3555 modinfo_files += custom_target(d + '-' + m + '.modinfo', 3556 output: d + '-' + m + '.modinfo', 3557 input: module_ss.sources() + genh, 3558 capture: true, 3559 command: [modinfo_collect, module_ss.sources()]) 3560 endif 3561 else 3562 if d == 'block' 3563 block_ss.add_all(module_ss) 3564 else 3565 system_ss.add_all(module_ss) 3566 endif 3567 endif 3568 endforeach 3569endforeach 3570 3571foreach d, list : target_modules 3572 foreach m, module_ss : list 3573 if enable_modules 3574 foreach target : target_dirs 3575 if target.endswith('-softmmu') 3576 config_target = config_target_mak[target] 3577 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])] 3578 c_args = ['-DNEED_CPU_H', 3579 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target), 3580 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)] 3581 target_module_ss = module_ss.apply(config_target, strict: false) 3582 if target_module_ss.sources() != [] 3583 module_name = d + '-' + m + '-' + config_target['TARGET_NAME'] 3584 sl = static_library(module_name, 3585 [genh, target_module_ss.sources()], 3586 dependencies: [modulecommon, target_module_ss.dependencies()], 3587 include_directories: target_inc, 3588 c_args: c_args, 3589 pic: true) 3590 system_mods += sl 3591 # FIXME: Should use sl.extract_all_objects(recursive: true) too. 3592 modinfo_files += custom_target(module_name + '.modinfo', 3593 output: module_name + '.modinfo', 3594 input: target_module_ss.sources() + genh, 3595 capture: true, 3596 command: [modinfo_collect, '--target', target, target_module_ss.sources()]) 3597 endif 3598 endif 3599 endforeach 3600 else 3601 specific_ss.add_all(module_ss) 3602 endif 3603 endforeach 3604endforeach 3605 3606if enable_modules 3607 foreach target : target_dirs 3608 if target.endswith('-softmmu') 3609 config_target = config_target_mak[target] 3610 config_devices_mak = target + '-config-devices.mak' 3611 modinfo_src = custom_target('modinfo-' + target + '.c', 3612 output: 'modinfo-' + target + '.c', 3613 input: modinfo_files, 3614 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'], 3615 capture: true) 3616 3617 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src) 3618 modinfo_dep = declare_dependency(link_with: modinfo_lib) 3619 3620 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH'] 3621 hw_arch[arch].add(modinfo_dep) 3622 endif 3623 endforeach 3624endif 3625 3626nm = find_program('nm') 3627undefsym = find_program('scripts/undefsym.py') 3628block_syms = custom_target('block.syms', output: 'block.syms', 3629 input: [libqemuutil, block_mods], 3630 capture: true, 3631 command: [undefsym, nm, '@INPUT@']) 3632qemu_syms = custom_target('qemu.syms', output: 'qemu.syms', 3633 input: [libqemuutil, system_mods], 3634 capture: true, 3635 command: [undefsym, nm, '@INPUT@']) 3636 3637authz_ss = authz_ss.apply({}) 3638libauthz = static_library('authz', authz_ss.sources() + genh, 3639 dependencies: [authz_ss.dependencies()], 3640 name_suffix: 'fa', 3641 build_by_default: false) 3642 3643authz = declare_dependency(link_whole: libauthz, 3644 dependencies: qom) 3645 3646crypto_ss = crypto_ss.apply({}) 3647libcrypto = static_library('crypto', crypto_ss.sources() + genh, 3648 dependencies: [crypto_ss.dependencies()], 3649 name_suffix: 'fa', 3650 build_by_default: false) 3651 3652crypto = declare_dependency(link_whole: libcrypto, 3653 dependencies: [authz, qom]) 3654 3655io_ss = io_ss.apply({}) 3656libio = static_library('io', io_ss.sources() + genh, 3657 dependencies: [io_ss.dependencies()], 3658 link_with: libqemuutil, 3659 name_suffix: 'fa', 3660 build_by_default: false) 3661 3662io = declare_dependency(link_whole: libio, dependencies: [crypto, qom]) 3663 3664libmigration = static_library('migration', sources: migration_files + genh, 3665 name_suffix: 'fa', 3666 build_by_default: false) 3667migration = declare_dependency(link_with: libmigration, 3668 dependencies: [zlib, qom, io]) 3669system_ss.add(migration) 3670 3671block_ss = block_ss.apply({}) 3672libblock = static_library('block', block_ss.sources() + genh, 3673 dependencies: block_ss.dependencies(), 3674 link_depends: block_syms, 3675 name_suffix: 'fa', 3676 build_by_default: false) 3677 3678block = declare_dependency(link_whole: [libblock], 3679 link_args: '@block.syms', 3680 dependencies: [crypto, io]) 3681 3682blockdev_ss = blockdev_ss.apply({}) 3683libblockdev = static_library('blockdev', blockdev_ss.sources() + genh, 3684 dependencies: blockdev_ss.dependencies(), 3685 name_suffix: 'fa', 3686 build_by_default: false) 3687 3688blockdev = declare_dependency(link_whole: [libblockdev], 3689 dependencies: [block, event_loop_base]) 3690 3691qmp_ss = qmp_ss.apply({}) 3692libqmp = static_library('qmp', qmp_ss.sources() + genh, 3693 dependencies: qmp_ss.dependencies(), 3694 name_suffix: 'fa', 3695 build_by_default: false) 3696 3697qmp = declare_dependency(link_whole: [libqmp]) 3698 3699libchardev = static_library('chardev', chardev_ss.sources() + genh, 3700 name_suffix: 'fa', 3701 dependencies: chardev_ss.dependencies(), 3702 build_by_default: false) 3703 3704chardev = declare_dependency(link_whole: libchardev) 3705 3706hwcore_ss = hwcore_ss.apply({}) 3707libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh, 3708 name_suffix: 'fa', 3709 build_by_default: false) 3710hwcore = declare_dependency(link_whole: libhwcore) 3711common_ss.add(hwcore) 3712 3713########### 3714# Targets # 3715########### 3716 3717emulator_modules = [] 3718foreach m : block_mods + system_mods 3719 emulator_modules += shared_module(m.name(), 3720 build_by_default: true, 3721 name_prefix: '', 3722 link_whole: m, 3723 install: true, 3724 install_dir: qemu_moddir) 3725endforeach 3726if emulator_modules.length() > 0 3727 alias_target('modules', emulator_modules) 3728endif 3729 3730system_ss.add(authz, blockdev, chardev, crypto, io, qmp) 3731common_ss.add(qom, qemuutil) 3732 3733common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss]) 3734common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss) 3735 3736# Note that this library is never used directly (only through extract_objects) 3737# and is not built by default; therefore, source files not used by the build 3738# configuration will be in build.ninja, but are never built by default. 3739common_all = static_library('common', 3740 build_by_default: false, 3741 sources: common_ss.all_sources() + genh, 3742 include_directories: common_user_inc, 3743 implicit_include_directories: false, 3744 dependencies: common_ss.all_dependencies(), 3745 name_suffix: 'fa') 3746 3747feature_to_c = find_program('scripts/feature_to_c.py') 3748 3749if host_os == 'darwin' 3750 entitlement = find_program('scripts/entitlement.sh') 3751endif 3752 3753emulators = {} 3754foreach target : target_dirs 3755 config_target = config_target_mak[target] 3756 target_name = config_target['TARGET_NAME'] 3757 target_base_arch = config_target['TARGET_BASE_ARCH'] 3758 arch_srcs = [config_target_h[target]] 3759 arch_deps = [] 3760 c_args = ['-DNEED_CPU_H', 3761 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target), 3762 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)] 3763 link_args = emulator_link_args 3764 3765 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])] 3766 if host_os == 'linux' 3767 target_inc += include_directories('linux-headers', is_system: true) 3768 endif 3769 if target.endswith('-softmmu') 3770 target_type='system' 3771 t = target_system_arch[target_base_arch].apply(config_target, strict: false) 3772 arch_srcs += t.sources() 3773 arch_deps += t.dependencies() 3774 3775 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch 3776 if hw_arch.has_key(hw_dir) 3777 hw = hw_arch[hw_dir].apply(config_target, strict: false) 3778 arch_srcs += hw.sources() 3779 arch_deps += hw.dependencies() 3780 endif 3781 3782 arch_srcs += config_devices_h[target] 3783 link_args += ['@block.syms', '@qemu.syms'] 3784 else 3785 abi = config_target['TARGET_ABI_DIR'] 3786 target_type='user' 3787 target_inc += common_user_inc 3788 if target_base_arch in target_user_arch 3789 t = target_user_arch[target_base_arch].apply(config_target, strict: false) 3790 arch_srcs += t.sources() 3791 arch_deps += t.dependencies() 3792 endif 3793 if 'CONFIG_LINUX_USER' in config_target 3794 base_dir = 'linux-user' 3795 endif 3796 if 'CONFIG_BSD_USER' in config_target 3797 base_dir = 'bsd-user' 3798 target_inc += include_directories('bsd-user/' / host_os) 3799 target_inc += include_directories('bsd-user/host/' / host_arch) 3800 dir = base_dir / abi 3801 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c') 3802 endif 3803 target_inc += include_directories( 3804 base_dir, 3805 base_dir / abi, 3806 ) 3807 if 'CONFIG_LINUX_USER' in config_target 3808 dir = base_dir / abi 3809 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c') 3810 if config_target.has_key('TARGET_SYSTBL_ABI') 3811 arch_srcs += \ 3812 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'], 3813 extra_args : config_target['TARGET_SYSTBL_ABI']) 3814 endif 3815 endif 3816 endif 3817 3818 if 'TARGET_XML_FILES' in config_target 3819 gdbstub_xml = custom_target(target + '-gdbstub-xml.c', 3820 output: target + '-gdbstub-xml.c', 3821 input: files(config_target['TARGET_XML_FILES'].split()), 3822 command: [feature_to_c, '@INPUT@'], 3823 capture: true) 3824 arch_srcs += gdbstub_xml 3825 endif 3826 3827 t = target_arch[target_base_arch].apply(config_target, strict: false) 3828 arch_srcs += t.sources() 3829 arch_deps += t.dependencies() 3830 3831 target_common = common_ss.apply(config_target, strict: false) 3832 objects = common_all.extract_objects(target_common.sources()) 3833 deps = target_common.dependencies() 3834 3835 target_specific = specific_ss.apply(config_target, strict: false) 3836 arch_srcs += target_specific.sources() 3837 arch_deps += target_specific.dependencies() 3838 3839 lib = static_library('qemu-' + target, 3840 sources: arch_srcs + genh, 3841 dependencies: arch_deps, 3842 objects: objects, 3843 include_directories: target_inc, 3844 c_args: c_args, 3845 build_by_default: false, 3846 name_suffix: 'fa') 3847 3848 if target.endswith('-softmmu') 3849 execs = [{ 3850 'name': 'qemu-system-' + target_name, 3851 'win_subsystem': 'console', 3852 'sources': files('system/main.c'), 3853 'dependencies': [] 3854 }] 3855 if host_os == 'windows' and (sdl.found() or gtk.found()) 3856 execs += [{ 3857 'name': 'qemu-system-' + target_name + 'w', 3858 'win_subsystem': 'windows', 3859 'sources': files('system/main.c'), 3860 'dependencies': [] 3861 }] 3862 endif 3863 if get_option('fuzzing') 3864 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false) 3865 execs += [{ 3866 'name': 'qemu-fuzz-' + target_name, 3867 'win_subsystem': 'console', 3868 'sources': specific_fuzz.sources(), 3869 'dependencies': specific_fuzz.dependencies(), 3870 }] 3871 endif 3872 else 3873 execs = [{ 3874 'name': 'qemu-' + target_name, 3875 'win_subsystem': 'console', 3876 'sources': [], 3877 'dependencies': [] 3878 }] 3879 endif 3880 foreach exe: execs 3881 exe_name = exe['name'] 3882 if host_os == 'darwin' 3883 exe_name += '-unsigned' 3884 endif 3885 3886 emulator = executable(exe_name, exe['sources'], 3887 install: true, 3888 c_args: c_args, 3889 dependencies: arch_deps + deps + exe['dependencies'], 3890 objects: lib.extract_all_objects(recursive: true), 3891 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []), 3892 link_args: link_args, 3893 win_subsystem: exe['win_subsystem']) 3894 3895 if host_os == 'darwin' 3896 icon = 'pc-bios/qemu.rsrc' 3897 build_input = [emulator, files(icon)] 3898 install_input = [ 3899 get_option('bindir') / exe_name, 3900 meson.current_source_dir() / icon 3901 ] 3902 if 'CONFIG_HVF' in config_target 3903 entitlements = 'accel/hvf/entitlements.plist' 3904 build_input += files(entitlements) 3905 install_input += meson.current_source_dir() / entitlements 3906 endif 3907 3908 emulators += {exe['name'] : custom_target(exe['name'], 3909 input: build_input, 3910 output: exe['name'], 3911 command: [entitlement, '@OUTPUT@', '@INPUT@']) 3912 } 3913 3914 meson.add_install_script(entitlement, '--install', 3915 get_option('bindir') / exe['name'], 3916 install_input) 3917 else 3918 emulators += {exe['name']: emulator} 3919 endif 3920 3921 if stap.found() 3922 foreach stp: [ 3923 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false}, 3924 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true}, 3925 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true}, 3926 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true}, 3927 ] 3928 custom_target(exe['name'] + stp['ext'], 3929 input: trace_events_all, 3930 output: exe['name'] + stp['ext'], 3931 install: stp['install'], 3932 install_dir: get_option('datadir') / 'systemtap/tapset', 3933 command: [ 3934 tracetool, '--group=all', '--format=' + stp['fmt'], 3935 '--binary=' + stp['bin'], 3936 '--target-name=' + target_name, 3937 '--target-type=' + target_type, 3938 '--probe-prefix=qemu.' + target_type + '.' + target_name, 3939 '@INPUT@', '@OUTPUT@' 3940 ], 3941 depend_files: tracetool_depends) 3942 endforeach 3943 endif 3944 endforeach 3945endforeach 3946 3947# Other build targets 3948 3949if get_option('plugins') 3950 install_headers('include/qemu/qemu-plugin.h') 3951 if host_os == 'windows' 3952 # On windows, we want to deliver the qemu_plugin_api.lib file in the qemu installer, 3953 # so that plugin authors can compile against it. 3954 install_data(win32_qemu_plugin_api_lib, install_dir: 'lib') 3955 endif 3956endif 3957 3958subdir('qga') 3959 3960# Don't build qemu-keymap if xkbcommon is not explicitly enabled 3961# when we don't build tools or system 3962if xkbcommon.found() 3963 # used for the update-keymaps target, so include rules even if !have_tools 3964 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh, 3965 dependencies: [qemuutil, xkbcommon], install: have_tools) 3966endif 3967 3968if have_tools 3969 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep], 3970 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true) 3971 qemu_io = executable('qemu-io', files('qemu-io.c'), 3972 dependencies: [block, qemuutil], install: true) 3973 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'), 3974 dependencies: [blockdev, qemuutil, gnutls, selinux], 3975 install: true) 3976 3977 subdir('storage-daemon') 3978 subdir('contrib/rdmacm-mux') 3979 subdir('contrib/elf2dmp') 3980 3981 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'), 3982 dependencies: qemuutil, 3983 install: true) 3984 3985 if have_vhost_user 3986 subdir('contrib/vhost-user-blk') 3987 subdir('contrib/vhost-user-gpu') 3988 subdir('contrib/vhost-user-input') 3989 subdir('contrib/vhost-user-scsi') 3990 endif 3991 3992 if host_os == 'linux' 3993 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'), 3994 dependencies: [qemuutil, libcap_ng], 3995 install: true, 3996 install_dir: get_option('libexecdir')) 3997 3998 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'), 3999 dependencies: [authz, crypto, io, qom, qemuutil, 4000 libcap_ng, mpathpersist], 4001 install: true) 4002 endif 4003 4004 if have_ivshmem 4005 subdir('contrib/ivshmem-client') 4006 subdir('contrib/ivshmem-server') 4007 endif 4008endif 4009 4010subdir('scripts') 4011subdir('tools') 4012subdir('pc-bios') 4013subdir('docs') 4014subdir('tests') 4015if gtk.found() 4016 subdir('po') 4017endif 4018 4019if host_machine.system() == 'windows' 4020 nsis_cmd = [ 4021 find_program('scripts/nsis.py'), 4022 '@OUTPUT@', 4023 get_option('prefix'), 4024 meson.current_source_dir(), 4025 glib_pc.get_variable('bindir'), 4026 host_machine.cpu(), 4027 '--', 4028 '-DDISPLAYVERSION=' + meson.project_version(), 4029 ] 4030 if build_docs 4031 nsis_cmd += '-DCONFIG_DOCUMENTATION=y' 4032 endif 4033 if gtk.found() 4034 nsis_cmd += '-DCONFIG_GTK=y' 4035 endif 4036 4037 nsis = custom_target('nsis', 4038 output: 'qemu-setup-' + meson.project_version() + '.exe', 4039 input: files('qemu.nsi'), 4040 build_always_stale: true, 4041 command: nsis_cmd + ['@INPUT@']) 4042 alias_target('installer', nsis) 4043endif 4044 4045######################### 4046# Configuration summary # 4047######################### 4048 4049# Build environment 4050summary_info = {} 4051summary_info += {'Build directory': meson.current_build_dir()} 4052summary_info += {'Source path': meson.current_source_dir()} 4053summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'} 4054summary(summary_info, bool_yn: true, section: 'Build environment') 4055 4056# Directories 4057summary_info += {'Install prefix': get_option('prefix')} 4058summary_info += {'BIOS directory': qemu_datadir} 4059pathsep = host_os == 'windows' ? ';' : ':' 4060summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))} 4061summary_info += {'binary directory': get_option('prefix') / get_option('bindir')} 4062summary_info += {'library directory': get_option('prefix') / get_option('libdir')} 4063summary_info += {'module directory': qemu_moddir} 4064summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')} 4065summary_info += {'include directory': get_option('prefix') / get_option('includedir')} 4066summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')} 4067if host_os != 'windows' 4068 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')} 4069 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')} 4070else 4071 summary_info += {'local state directory': 'queried at runtime'} 4072endif 4073summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')} 4074summary(summary_info, bool_yn: true, section: 'Directories') 4075 4076# Host binaries 4077summary_info = {} 4078summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())} 4079summary_info += {'sphinx-build': sphinx_build} 4080 4081# FIXME: the [binaries] section of machine files, which can be probed 4082# with find_program(), would be great for passing gdb and genisoimage 4083# paths from configure to Meson. However, there seems to be no way to 4084# hide a program (for example if gdb is too old). 4085if config_host.has_key('GDB') 4086 summary_info += {'gdb': config_host['GDB']} 4087endif 4088summary_info += {'iasl': iasl} 4089summary_info += {'genisoimage': config_host['GENISOIMAGE']} 4090if host_os == 'windows' and have_ga 4091 summary_info += {'wixl': wixl} 4092endif 4093if slirp.found() and have_system 4094 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false} 4095endif 4096summary(summary_info, bool_yn: true, section: 'Host binaries') 4097 4098# Configurable features 4099summary_info = {} 4100summary_info += {'Documentation': build_docs} 4101summary_info += {'system-mode emulation': have_system} 4102summary_info += {'user-mode emulation': have_user} 4103summary_info += {'block layer': have_block} 4104summary_info += {'Install blobs': get_option('install_blobs')} 4105summary_info += {'module support': enable_modules} 4106if enable_modules 4107 summary_info += {'alternative module path': get_option('module_upgrades')} 4108endif 4109summary_info += {'fuzzing support': get_option('fuzzing')} 4110if have_system 4111 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)} 4112endif 4113summary_info += {'Trace backends': ','.join(get_option('trace_backends'))} 4114if 'simple' in get_option('trace_backends') 4115 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'} 4116endif 4117summary_info += {'D-Bus display': dbus_display} 4118summary_info += {'QOM debugging': get_option('qom_cast_debug')} 4119summary_info += {'Relocatable install': get_option('relocatable')} 4120summary_info += {'vhost-kernel support': have_vhost_kernel} 4121summary_info += {'vhost-net support': have_vhost_net} 4122summary_info += {'vhost-user support': have_vhost_user} 4123summary_info += {'vhost-user-crypto support': have_vhost_user_crypto} 4124summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server} 4125summary_info += {'vhost-vdpa support': have_vhost_vdpa} 4126summary_info += {'build guest agent': have_ga} 4127summary(summary_info, bool_yn: true, section: 'Configurable features') 4128 4129# Compilation information 4130summary_info = {} 4131summary_info += {'host CPU': cpu} 4132summary_info += {'host endianness': build_machine.endian()} 4133summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())} 4134summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())} 4135if 'cpp' in all_languages 4136 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())} 4137else 4138 summary_info += {'C++ compiler': false} 4139endif 4140if 'objc' in all_languages 4141 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())} 4142else 4143 summary_info += {'Objective-C compiler': false} 4144endif 4145option_cflags = (get_option('debug') ? ['-g'] : []) 4146if get_option('optimization') != 'plain' 4147 option_cflags += ['-O' + get_option('optimization')] 4148endif 4149summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)} 4150if 'cpp' in all_languages 4151 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)} 4152endif 4153if 'objc' in all_languages 4154 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)} 4155endif 4156link_args = get_option('c_link_args') 4157if link_args.length() > 0 4158 summary_info += {'LDFLAGS': ' '.join(link_args)} 4159endif 4160summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)} 4161if 'cpp' in all_languages 4162 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)} 4163endif 4164if 'objc' in all_languages 4165 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)} 4166endif 4167summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)} 4168summary_info += {'link-time optimization (LTO)': get_option('b_lto')} 4169summary_info += {'PIE': get_option('b_pie')} 4170summary_info += {'static build': get_option('prefer_static')} 4171summary_info += {'malloc trim support': has_malloc_trim} 4172summary_info += {'membarrier': have_membarrier} 4173summary_info += {'debug graph lock': get_option('debug_graph_lock')} 4174summary_info += {'debug stack usage': get_option('debug_stack_usage')} 4175summary_info += {'mutex debugging': get_option('debug_mutex')} 4176summary_info += {'memory allocator': get_option('malloc')} 4177summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')} 4178summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')} 4179summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')} 4180summary_info += {'gcov': get_option('b_coverage')} 4181summary_info += {'thread sanitizer': get_option('tsan')} 4182summary_info += {'CFI support': get_option('cfi')} 4183if get_option('cfi') 4184 summary_info += {'CFI debug support': get_option('cfi_debug')} 4185endif 4186summary_info += {'strip binaries': get_option('strip')} 4187summary_info += {'sparse': sparse} 4188summary_info += {'mingw32 support': host_os == 'windows'} 4189summary(summary_info, bool_yn: true, section: 'Compilation') 4190 4191# snarf the cross-compilation information for tests 4192summary_info = {} 4193have_cross = false 4194foreach target: target_dirs 4195 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak' 4196 if fs.exists(tcg_mak) 4197 config_cross_tcg = keyval.load(tcg_mak) 4198 if 'CC' in config_cross_tcg 4199 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']} 4200 have_cross = true 4201 endif 4202 endif 4203endforeach 4204if have_cross 4205 summary(summary_info, bool_yn: true, section: 'Cross compilers') 4206endif 4207 4208# Targets and accelerators 4209summary_info = {} 4210if have_system 4211 summary_info += {'KVM support': config_all_accel.has_key('CONFIG_KVM')} 4212 summary_info += {'HVF support': config_all_accel.has_key('CONFIG_HVF')} 4213 summary_info += {'WHPX support': config_all_accel.has_key('CONFIG_WHPX')} 4214 summary_info += {'NVMM support': config_all_accel.has_key('CONFIG_NVMM')} 4215 summary_info += {'Xen support': xen.found()} 4216 if xen.found() 4217 summary_info += {'xen ctrl version': xen.version()} 4218 endif 4219 summary_info += {'Xen emulation': config_all_devices.has_key('CONFIG_XEN_EMU')} 4220endif 4221summary_info += {'TCG support': config_all_accel.has_key('CONFIG_TCG')} 4222if config_all_accel.has_key('CONFIG_TCG') 4223 if get_option('tcg_interpreter') 4224 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'} 4225 else 4226 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)} 4227 endif 4228 summary_info += {'TCG plugins': get_option('plugins')} 4229 summary_info += {'TCG debug enabled': get_option('debug_tcg')} 4230endif 4231summary_info += {'target list': ' '.join(target_dirs)} 4232if have_system 4233 summary_info += {'default devices': get_option('default_devices')} 4234 summary_info += {'out of process emulation': multiprocess_allowed} 4235 summary_info += {'vfio-user server': vfio_user_server_allowed} 4236endif 4237summary(summary_info, bool_yn: true, section: 'Targets and accelerators') 4238 4239# Block layer 4240summary_info = {} 4241summary_info += {'coroutine backend': coroutine_backend} 4242summary_info += {'coroutine pool': have_coroutine_pool} 4243if have_block 4244 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')} 4245 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')} 4246 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')} 4247 summary_info += {'VirtFS (9P) support': have_virtfs} 4248 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper} 4249 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')} 4250 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')} 4251 summary_info += {'bochs support': get_option('bochs').allowed()} 4252 summary_info += {'cloop support': get_option('cloop').allowed()} 4253 summary_info += {'dmg support': get_option('dmg').allowed()} 4254 summary_info += {'qcow v1 support': get_option('qcow1').allowed()} 4255 summary_info += {'vdi support': get_option('vdi').allowed()} 4256 summary_info += {'vhdx support': get_option('vhdx').allowed()} 4257 summary_info += {'vmdk support': get_option('vmdk').allowed()} 4258 summary_info += {'vpc support': get_option('vpc').allowed()} 4259 summary_info += {'vvfat support': get_option('vvfat').allowed()} 4260 summary_info += {'qed support': get_option('qed').allowed()} 4261 summary_info += {'parallels support': get_option('parallels').allowed()} 4262 summary_info += {'FUSE exports': fuse} 4263 summary_info += {'VDUSE block exports': have_vduse_blk_export} 4264endif 4265summary(summary_info, bool_yn: true, section: 'Block layer support') 4266 4267# Crypto 4268summary_info = {} 4269summary_info += {'TLS priority': get_option('tls_priority')} 4270summary_info += {'GNUTLS support': gnutls} 4271if gnutls.found() 4272 summary_info += {' GNUTLS crypto': gnutls_crypto.found()} 4273endif 4274summary_info += {'libgcrypt': gcrypt} 4275summary_info += {'nettle': nettle} 4276if nettle.found() 4277 summary_info += {' XTS': xts != 'private'} 4278endif 4279summary_info += {'AF_ALG support': have_afalg} 4280summary_info += {'rng-none': get_option('rng_none')} 4281summary_info += {'Linux keyring': have_keyring} 4282summary_info += {'Linux keyutils': keyutils} 4283summary(summary_info, bool_yn: true, section: 'Crypto') 4284 4285# UI 4286summary_info = {} 4287if host_os == 'darwin' 4288 summary_info += {'Cocoa support': cocoa} 4289endif 4290summary_info += {'SDL support': sdl} 4291summary_info += {'SDL image support': sdl_image} 4292summary_info += {'GTK support': gtk} 4293summary_info += {'pixman': pixman} 4294summary_info += {'VTE support': vte} 4295summary_info += {'PNG support': png} 4296summary_info += {'VNC support': vnc} 4297if vnc.found() 4298 summary_info += {'VNC SASL support': sasl} 4299 summary_info += {'VNC JPEG support': jpeg} 4300endif 4301summary_info += {'spice protocol support': spice_protocol} 4302if spice_protocol.found() 4303 summary_info += {' spice server support': spice} 4304endif 4305summary_info += {'curses support': curses} 4306summary_info += {'brlapi support': brlapi} 4307summary(summary_info, bool_yn: true, section: 'User interface') 4308 4309# Graphics backends 4310summary_info = {} 4311summary_info += {'VirGL support': virgl} 4312summary_info += {'Rutabaga support': rutabaga} 4313summary(summary_info, bool_yn: true, section: 'Graphics backends') 4314 4315# Audio backends 4316summary_info = {} 4317if host_os not in ['darwin', 'haiku', 'windows'] 4318 summary_info += {'OSS support': oss} 4319 summary_info += {'sndio support': sndio} 4320elif host_os == 'darwin' 4321 summary_info += {'CoreAudio support': coreaudio} 4322elif host_os == 'windows' 4323 summary_info += {'DirectSound support': dsound} 4324endif 4325if host_os == 'linux' 4326 summary_info += {'ALSA support': alsa} 4327 summary_info += {'PulseAudio support': pulse} 4328endif 4329summary_info += {'PipeWire support': pipewire} 4330summary_info += {'JACK support': jack} 4331summary(summary_info, bool_yn: true, section: 'Audio backends') 4332 4333# Network backends 4334summary_info = {} 4335if host_os == 'darwin' 4336 summary_info += {'vmnet.framework support': vmnet} 4337endif 4338summary_info += {'AF_XDP support': libxdp} 4339summary_info += {'slirp support': slirp} 4340summary_info += {'vde support': vde} 4341summary_info += {'netmap support': have_netmap} 4342summary_info += {'l2tpv3 support': have_l2tpv3} 4343summary(summary_info, bool_yn: true, section: 'Network backends') 4344 4345# Libraries 4346summary_info = {} 4347summary_info += {'libtasn1': tasn1} 4348summary_info += {'PAM': pam} 4349summary_info += {'iconv support': iconv} 4350summary_info += {'blkio support': blkio} 4351summary_info += {'curl support': curl} 4352summary_info += {'Multipath support': mpathpersist} 4353summary_info += {'Linux AIO support': libaio} 4354summary_info += {'Linux io_uring support': linux_io_uring} 4355summary_info += {'ATTR/XATTR support': libattr} 4356summary_info += {'RDMA support': rdma} 4357summary_info += {'PVRDMA support': have_pvrdma} 4358summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt} 4359summary_info += {'libcap-ng support': libcap_ng} 4360summary_info += {'bpf support': libbpf} 4361summary_info += {'rbd support': rbd} 4362summary_info += {'smartcard support': cacard} 4363summary_info += {'U2F support': u2f} 4364summary_info += {'libusb': libusb} 4365summary_info += {'usb net redir': usbredir} 4366summary_info += {'OpenGL support (epoxy)': opengl} 4367summary_info += {'GBM': gbm} 4368summary_info += {'libiscsi support': libiscsi} 4369summary_info += {'libnfs support': libnfs} 4370if host_os == 'windows' 4371 if have_ga 4372 summary_info += {'QGA VSS support': have_qga_vss} 4373 endif 4374endif 4375summary_info += {'seccomp support': seccomp} 4376summary_info += {'GlusterFS support': glusterfs} 4377summary_info += {'hv-balloon support': hv_balloon} 4378summary_info += {'TPM support': have_tpm} 4379summary_info += {'libssh support': libssh} 4380summary_info += {'lzo support': lzo} 4381summary_info += {'snappy support': snappy} 4382summary_info += {'bzip2 support': libbzip2} 4383summary_info += {'lzfse support': liblzfse} 4384summary_info += {'zstd support': zstd} 4385summary_info += {'NUMA host support': numa} 4386summary_info += {'capstone': capstone} 4387summary_info += {'libpmem support': libpmem} 4388summary_info += {'libdaxctl support': libdaxctl} 4389summary_info += {'libudev': libudev} 4390# Dummy dependency, keep .found() 4391summary_info += {'FUSE lseek': fuse_lseek.found()} 4392summary_info += {'selinux': selinux} 4393summary_info += {'libdw': libdw} 4394summary(summary_info, bool_yn: true, section: 'Dependencies') 4395 4396if host_arch == 'unknown' 4397 message() 4398 warning('UNSUPPORTED HOST CPU') 4399 message() 4400 message('Support for CPU host architecture ' + cpu + ' is not currently') 4401 message('maintained. The QEMU project does not guarantee that QEMU will') 4402 message('compile or work on this host CPU. You can help by volunteering') 4403 message('to maintain it and providing a build host for our continuous') 4404 message('integration setup.') 4405 if get_option('tcg').allowed() and target_dirs.length() > 0 4406 message() 4407 message('configure has succeeded and you can continue to build, but') 4408 message('QEMU will use a slow interpreter to emulate the target CPU.') 4409 endif 4410endif 4411 4412if not supported_oses.contains(host_os) 4413 message() 4414 warning('UNSUPPORTED HOST OS') 4415 message() 4416 message('Support for host OS ' + host_os + 'is not currently maintained.') 4417 message('configure has succeeded and you can continue to build, but') 4418 message('the QEMU project does not guarantee that QEMU will compile or') 4419 message('work on this operating system. You can help by volunteering') 4420 message('to maintain it and providing a build host for our continuous') 4421 message('integration setup. This will ensure that future versions of QEMU') 4422 message('will keep working on ' + host_os + '.') 4423endif 4424 4425if host_arch == 'unknown' or not supported_oses.contains(host_os) 4426 message() 4427 message('If you want to help supporting QEMU on this platform, please') 4428 message('contact the developers at qemu-devel@nongnu.org.') 4429endif 4430 4431actually_reloc = get_option('relocatable') 4432# check if get_relocated_path() is actually able to relocate paths 4433if get_option('relocatable') and \ 4434 not (get_option('prefix') / get_option('bindir')).startswith(get_option('prefix') / '') 4435 message() 4436 warning('bindir not included within prefix, the installation will not be relocatable.') 4437 actually_reloc = false 4438endif 4439if not actually_reloc and (host_os == 'windows' or get_option('relocatable')) 4440 if host_os == 'windows' 4441 message() 4442 warning('Windows installs should usually be relocatable.') 4443 endif 4444 message() 4445 message('QEMU will have to be installed under ' + get_option('prefix') + '.') 4446 message('Use --disable-relocatable to remove this warning.') 4447endif 4448