blob: 91a0aa64c64057a096ce371625ea02e0dfa309df [file] [log] [blame]
project('qemu', ['c'], meson_version: '>=0.63.0',
default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
version: files('VERSION'))
add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true)
add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
meson.add_postconf_script(find_program('scripts/symlink-install-tree.py'))
####################
# Global variables #
####################
not_found = dependency('', required: false)
keyval = import('keyval')
ss = import('sourceset')
fs = import('fs')
host_os = host_machine.system()
config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
# Temporary directory used for files created while
# configure runs. Since it is in the build directory
# we can safely blow away any previous version of it
# (and we need not jump through hoops to try to delete
# it when configure exits.)
tmpdir = meson.current_build_dir() / 'meson-private/temp'
if get_option('qemu_suffix').startswith('/')
error('qemu_suffix cannot start with a /')
endif
qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
qemu_desktopdir = get_option('datadir') / 'applications'
qemu_icondir = get_option('datadir') / 'icons'
genh = []
qapi_trace_events = []
bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv32', 'riscv64', 'x86', 'x86_64',
'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
cpu = host_machine.cpu_family()
target_dirs = config_host['TARGET_DIRS'].split()
############
# Programs #
############
sh = find_program('sh')
python = import('python').find_installation()
cc = meson.get_compiler('c')
all_languages = ['c']
if host_os == 'windows' and add_languages('cpp', required: false, native: false)
all_languages += ['cpp']
cxx = meson.get_compiler('cpp')
endif
if host_os == 'darwin' and \
add_languages('objc', required: true, native: false)
all_languages += ['objc']
objc = meson.get_compiler('objc')
endif
dtrace = not_found
stap = not_found
if 'dtrace' in get_option('trace_backends')
dtrace = find_program('dtrace', required: true)
stap = find_program('stap', required: false)
if stap.found()
# Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
# visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
# instead. QEMU --enable-modules depends on this because the SystemTap
# semaphores are linked into the main binary and not the module's shared
# object.
add_global_arguments('-DSTAP_SDT_V2',
native: false, language: all_languages)
endif
endif
if get_option('iasl') == ''
iasl = find_program('iasl', required: false)
else
iasl = find_program(get_option('iasl'), required: true)
endif
edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
unpack_edk2_blobs = false
foreach target : edk2_targets
if target in target_dirs
bzip2 = find_program('bzip2', required: get_option('install_blobs'))
unpack_edk2_blobs = bzip2.found()
break
endif
endforeach
#####################
# Option validation #
#####################
# Fuzzing
if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
not cc.links('''
#include <stdint.h>
#include <sys/types.h>
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
''',
args: ['-Werror', '-fsanitize=fuzzer'])
error('Your compiler does not support -fsanitize=fuzzer')
endif
# Tracing backends
if 'ftrace' in get_option('trace_backends') and host_os != 'linux'
error('ftrace is supported only on Linux')
endif
if 'syslog' in get_option('trace_backends') and not cc.compiles('''
#include <syslog.h>
int main(void) {
openlog("qemu", LOG_PID, LOG_DAEMON);
syslog(LOG_INFO, "configure");
return 0;
}''')
error('syslog is not supported on this system')
endif
# Miscellaneous Linux-only features
get_option('mpath') \
.require(host_os == 'linux', error_message: 'Multipath is supported only on Linux')
multiprocess_allowed = get_option('multiprocess') \
.require(host_os == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
.allowed()
vfio_user_server_allowed = get_option('vfio_user_server') \
.require(host_os == 'linux', error_message: 'vfio-user server is supported only on Linux') \
.allowed()
have_tpm = get_option('tpm') \
.require(host_os != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
.allowed()
# vhost
have_vhost_user = get_option('vhost_user') \
.disable_auto_if(host_os != 'linux') \
.require(host_os != 'windows',
error_message: 'vhost-user is not available on Windows').allowed()
have_vhost_vdpa = get_option('vhost_vdpa') \
.require(host_os == 'linux',
error_message: 'vhost-vdpa is only available on Linux').allowed()
have_vhost_kernel = get_option('vhost_kernel') \
.require(host_os == 'linux',
error_message: 'vhost-kernel is only available on Linux').allowed()
have_vhost_user_crypto = get_option('vhost_crypto') \
.require(have_vhost_user,
error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
# type of binaries to build
have_linux_user = false
have_bsd_user = false
have_system = false
foreach target : target_dirs
have_linux_user = have_linux_user or target.endswith('linux-user')
have_bsd_user = have_bsd_user or target.endswith('bsd-user')
have_system = have_system or target.endswith('-softmmu')
endforeach
have_user = have_linux_user or have_bsd_user
have_tools = get_option('tools') \
.disable_auto_if(not have_system) \
.allowed()
have_ga = get_option('guest_agent') \
.disable_auto_if(not have_system and not have_tools) \
.require(host_os in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
error_message: 'unsupported OS for QEMU guest agent') \
.allowed()
have_block = have_system or have_tools
enable_modules = get_option('modules') \
.require(host_os != 'windows',
error_message: 'Modules are not available for Windows') \
.require(not get_option('prefer_static'),
error_message: 'Modules are incompatible with static linking') \
.allowed()
#######################################
# Variables for host and accelerators #
#######################################
if cpu not in supported_cpus
host_arch = 'unknown'
elif cpu == 'x86'
host_arch = 'i386'
elif cpu == 'mips64'
host_arch = 'mips'
elif cpu in ['riscv32', 'riscv64']
host_arch = 'riscv'
else
host_arch = cpu
endif
if cpu in ['x86', 'x86_64']
kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
elif cpu == 'aarch64'
kvm_targets = ['aarch64-softmmu']
elif cpu == 's390x'
kvm_targets = ['s390x-softmmu']
elif cpu in ['ppc', 'ppc64']
kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
elif cpu in ['mips', 'mips64']
kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
elif cpu in ['riscv32']
kvm_targets = ['riscv32-softmmu']
elif cpu in ['riscv64']
kvm_targets = ['riscv64-softmmu']
elif cpu in ['loongarch64']
kvm_targets = ['loongarch64-softmmu']
else
kvm_targets = []
endif
accelerator_targets = { 'CONFIG_KVM': kvm_targets }
if cpu in ['x86', 'x86_64']
xen_targets = ['i386-softmmu', 'x86_64-softmmu']
elif cpu in ['arm', 'aarch64']
# i386 emulator provides xenpv machine type for multiple architectures
xen_targets = ['i386-softmmu', 'x86_64-softmmu', 'aarch64-softmmu']
else
xen_targets = []
endif
accelerator_targets += { 'CONFIG_XEN': xen_targets }
if cpu in ['aarch64']
accelerator_targets += {
'CONFIG_HVF': ['aarch64-softmmu']
}
endif
if cpu in ['x86', 'x86_64']
accelerator_targets += {
'CONFIG_HVF': ['x86_64-softmmu'],
'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
}
endif
modular_tcg = []
# Darwin does not support references to thread-local variables in modules
if host_os != 'darwin'
modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
endif
##################
# Compiler flags #
##################
foreach lang : all_languages
compiler = meson.get_compiler(lang)
if compiler.get_id() == 'gcc' and compiler.version().version_compare('>=7.4')
# ok
elif compiler.get_id() == 'clang' and compiler.compiles('''
#ifdef __apple_build_version__
# if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0)
# error You need at least XCode Clang v12.0 to compile QEMU
# endif
#else
# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
# error You need at least Clang v10.0 to compile QEMU
# endif
#endif''')
# ok
else
error('You either need GCC v7.4 or Clang v10.0 (or XCode Clang v12.0) to compile QEMU')
endif
endforeach
# default flags for all hosts
# We use -fwrapv to tell the compiler that we require a C dialect where
# left shift of signed integers is well defined and has the expected
# 2s-complement style results. (Both clang and gcc agree that it
# provides these semantics.)
qemu_common_flags = [
'-D_GNU_SOURCE', '-D_FILE_OFFSET_BITS=64', '-D_LARGEFILE_SOURCE',
'-fno-strict-aliasing', '-fno-common', '-fwrapv' ]
qemu_cflags = []
qemu_ldflags = []
if host_os == 'darwin'
# Disable attempts to use ObjectiveC features in os/object.h since they
# won't work when we're compiling with gcc as a C compiler.
if compiler.get_id() == 'gcc'
qemu_common_flags += '-DOS_OBJECT_USE_OBJC=0'
endif
elif host_os == 'sunos'
# needed for CMSG_ macros in sys/socket.h
qemu_common_flags += '-D_XOPEN_SOURCE=600'
# needed for TIOCWIN* defines in termios.h
qemu_common_flags += '-D__EXTENSIONS__'
elif host_os == 'haiku'
qemu_common_flags += ['-DB_USE_POSITIVE_POSIX_ERRORS', '-D_BSD_SOURCE', '-fPIC']
endif
# __sync_fetch_and_and requires at least -march=i486. Many toolchains
# use i686 as default anyway, but for those that don't, an explicit
# specification is necessary
if host_arch == 'i386' and not cc.links('''
static int sfaa(int *ptr)
{
return __sync_fetch_and_and(ptr, 0);
}
int main(void)
{
int val = 42;
val = __sync_val_compare_and_swap(&val, 0, 1);
sfaa(&val);
return val;
}''')
qemu_common_flags = ['-march=i486'] + qemu_common_flags
endif
if get_option('prefer_static')
qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
endif
# Meson currently only handles pie as a boolean for now, so if the user
# has explicitly disabled PIE we need to extend our cflags.
#
# -no-pie is supposedly a linker flag that has no effect on the compiler
# command line, but some distros, that didn't quite know what they were
# doing, made local changes to gcc's specs file that turned it into
# a compiler command-line flag.
#
# What about linker flags? For a static build, no PIE is implied by -static
# which we added above (and if it's not because of the same specs patching,
# there's nothing we can do: compilation will fail, report a bug to your
# distro and do not use --disable-pie in the meanwhile). For dynamic linking,
# instead, we can't add -no-pie because it overrides -shared: the linker then
# tries to build an executable instead of a shared library and fails. So
# don't add -no-pie anywhere and cross fingers. :(
if not get_option('b_pie')
qemu_common_flags += cc.get_supported_arguments('-fno-pie', '-no-pie')
endif
if not get_option('stack_protector').disabled()
stack_protector_probe = '''
int main(int argc, char *argv[])
{
char arr[64], *p = arr, *c = argv[argc - 1];
while (*c) {
*p++ = *c++;
}
return 0;
}'''
have_stack_protector = false
foreach arg : ['-fstack-protector-strong', '-fstack-protector-all']
# We need to check both a compile and a link, since some compiler
# setups fail only on a .c->.o compile and some only at link time
if cc.compiles(stack_protector_probe, args: ['-Werror', arg]) and \
cc.links(stack_protector_probe, args: ['-Werror', arg])
have_stack_protector = true
qemu_cflags += arg
qemu_ldflags += arg
break
endif
endforeach
get_option('stack_protector') \
.require(have_stack_protector, error_message: 'Stack protector not supported')
endif
coroutine_backend = get_option('coroutine_backend')
ucontext_probe = '''
#include <ucontext.h>
#ifdef __stub_makecontext
#error Ignoring glibc stub makecontext which will always fail
#endif
int main(void) { makecontext(0, 0, 0); return 0; }'''
# On Windows the only valid backend is the Windows specific one.
# For POSIX prefer ucontext, but it's not always possible. The fallback
# is sigcontext.
supported_backends = []
if host_os == 'windows'
supported_backends += ['windows']
else
if host_os != 'darwin' and cc.links(ucontext_probe)
supported_backends += ['ucontext']
endif
supported_backends += ['sigaltstack']
endif
if coroutine_backend == 'auto'
coroutine_backend = supported_backends[0]
elif coroutine_backend not in supported_backends
error('"@0@" backend requested but not available. Available backends: @1@' \
.format(coroutine_backend, ', '.join(supported_backends)))
endif
# Compiles if SafeStack *not* enabled
safe_stack_probe = '''
int main(void)
{
#if defined(__has_feature)
#if __has_feature(safe_stack)
#error SafeStack Enabled
#endif
#endif
return 0;
}'''
if get_option('safe_stack') != not cc.compiles(safe_stack_probe)
safe_stack_arg = get_option('safe_stack') ? '-fsanitize=safe-stack' : '-fno-sanitize=safe-stack'
if get_option('safe_stack') != not cc.compiles(safe_stack_probe, args: safe_stack_arg)
error(get_option('safe_stack') \
? 'SafeStack not supported by your compiler' \
: 'Cannot disable SafeStack')
endif
qemu_cflags += safe_stack_arg
qemu_ldflags += safe_stack_arg
endif
if get_option('safe_stack') and coroutine_backend != 'ucontext'
error('SafeStack is only supported with the ucontext coroutine backend')
endif
if get_option('sanitizers')
if cc.has_argument('-fsanitize=address')
qemu_cflags = ['-fsanitize=address'] + qemu_cflags
qemu_ldflags = ['-fsanitize=address'] + qemu_ldflags
endif
# Detect static linking issue with ubsan - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
if cc.links('int main(int argc, char **argv) { return argc + 1; }',
args: [qemu_ldflags, '-fsanitize=undefined'])
qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags
qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags
endif
endif
# Thread sanitizer is, for now, much noisier than the other sanitizers;
# keep it separate until that is not the case.
if get_option('tsan')
if get_option('sanitizers')
error('TSAN is not supported with other sanitizers')
endif
if not cc.has_function('__tsan_create_fiber',
args: '-fsanitize=thread',
prefix: '#include <sanitizer/tsan_interface.h>')
error('Cannot enable TSAN due to missing fiber annotation interface')
endif
qemu_cflags = ['-fsanitize=thread'] + qemu_cflags
qemu_ldflags = ['-fsanitize=thread'] + qemu_ldflags
endif
# Detect support for PT_GNU_RELRO + DT_BIND_NOW.
# The combination is known as "full relro", because .got.plt is read-only too.
qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
if host_os == 'windows'
qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
endif
if get_option('fuzzing')
# Specify a filter to only instrument code that is directly related to
# virtual-devices.
configure_file(output: 'instrumentation-filter',
input: 'scripts/oss-fuzz/instrumentation-filter-template',
copy: true)
if cc.compiles('int main () { return 0; }',
name: '-fsanitize-coverage-allowlist=/dev/null',
args: ['-fsanitize-coverage-allowlist=/dev/null',
'-fsanitize-coverage=trace-pc'] )
qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter']
endif
if get_option('fuzzing_engine') == ''
# Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
# compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
# everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
# unable to bind the fuzzer-related callbacks added by instrumentation.
qemu_common_flags += ['-fsanitize=fuzzer-no-link']
qemu_ldflags += ['-fsanitize=fuzzer-no-link']
# For the actual fuzzer binaries, we need to link against the libfuzzer
# library. They need to be configurable, to support OSS-Fuzz
fuzz_exe_ldflags = ['-fsanitize=fuzzer']
else
# LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
# the needed CFLAGS have already been provided
fuzz_exe_ldflags = get_option('fuzzing_engine').split()
endif
endif
if get_option('cfi')
cfi_flags=[]
# Check for dependency on LTO
if not get_option('b_lto')
error('Selected Control-Flow Integrity but LTO is disabled')
endif
if enable_modules
error('Selected Control-Flow Integrity is not compatible with modules')
endif
# Check for cfi flags. CFI requires LTO so we can't use
# get_supported_arguments, but need a more complex "compiles" which allows
# custom arguments
if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
args: ['-flto', '-fsanitize=cfi-icall'] )
cfi_flags += '-fsanitize=cfi-icall'
else
error('-fsanitize=cfi-icall is not supported by the compiler')
endif
if cc.compiles('int main () { return 0; }',
name: '-fsanitize-cfi-icall-generalize-pointers',
args: ['-flto', '-fsanitize=cfi-icall',
'-fsanitize-cfi-icall-generalize-pointers'] )
cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
else
error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
endif
if get_option('cfi_debug')
if cc.compiles('int main () { return 0; }',
name: '-fno-sanitize-trap=cfi-icall',
args: ['-flto', '-fsanitize=cfi-icall',
'-fno-sanitize-trap=cfi-icall'] )
cfi_flags += '-fno-sanitize-trap=cfi-icall'
else
error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
endif
endif
add_global_arguments(cfi_flags, native: false, language: all_languages)
add_global_link_arguments(cfi_flags, native: false, language: all_languages)
endif
# Check further flags that make QEMU more robust against malicious parties
hardening_flags = [
# Initialize all stack variables to zero. This makes
# it harder to take advantage of uninitialized stack
# data to drive exploits
'-ftrivial-auto-var-init=zero',
]
# Zero out registers used during a function call
# upon its return. This makes it harder to assemble
# ROP gadgets into something usable
#
# NB: Clang 17 is broken and SEGVs
# https://github.com/llvm/llvm-project/issues/75168
#
# NB2: This clashes with the "retguard" extension of OpenBSD's Clang
# https://gitlab.com/qemu-project/qemu/-/issues/2278
if host_os != 'openbsd' and \
cc.compiles('extern struct { void (*cb)(void); } s; void f(void) { s.cb(); }',
name: '-fzero-call-used-regs=used-gpr',
args: ['-O2', '-fzero-call-used-regs=used-gpr'])
hardening_flags += '-fzero-call-used-regs=used-gpr'
endif
qemu_common_flags += cc.get_supported_arguments(hardening_flags)
add_global_arguments(qemu_common_flags, native: false, language: all_languages)
add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
# Collect warning flags we want to set, sorted alphabetically
warn_flags = [
# First enable interesting warnings
'-Wempty-body',
'-Wendif-labels',
'-Wexpansion-to-defined',
'-Wformat-security',
'-Wformat-y2k',
'-Wignored-qualifiers',
'-Wimplicit-fallthrough=2',
'-Winit-self',
'-Wmissing-format-attribute',
'-Wmissing-prototypes',
'-Wnested-externs',
'-Wold-style-declaration',
'-Wold-style-definition',
'-Wredundant-decls',
'-Wshadow=local',
'-Wstrict-prototypes',
'-Wtype-limits',
'-Wundef',
'-Wvla',
'-Wwrite-strings',
# Then disable some undesirable warnings
'-Wno-gnu-variable-sized-type-not-at-end',
'-Wno-initializer-overrides',
'-Wno-missing-include-dirs',
'-Wno-psabi',
'-Wno-shift-negative-value',
'-Wno-string-plus-int',
'-Wno-tautological-type-limit-compare',
'-Wno-typedef-redefinition',
]
if host_os != 'darwin'
warn_flags += ['-Wthread-safety']
endif
# Set up C++ compiler flags
qemu_cxxflags = []
if 'cpp' in all_languages
qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
endif
add_project_arguments(qemu_cflags, native: false, language: 'c')
add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
if 'cpp' in all_languages
add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
endif
if 'objc' in all_languages
# Note sanitizer flags are not applied to Objective-C sources!
add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
endif
if host_os == 'linux'
add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
'-isystem', 'linux-headers',
language: all_languages)
endif
add_project_arguments('-iquote', '.',
'-iquote', meson.current_source_dir(),
'-iquote', meson.current_source_dir() / 'include',
language: all_languages)
# If a host-specific include directory exists, list that first...
host_include = meson.current_source_dir() / 'host/include/'
if fs.is_dir(host_include / host_arch)
add_project_arguments('-iquote', host_include / host_arch,
language: all_languages)
endif
# ... followed by the generic fallback.
add_project_arguments('-iquote', host_include / 'generic',
language: all_languages)
sparse = find_program('cgcc', required: get_option('sparse'))
if sparse.found()
run_target('sparse',
command: [find_program('scripts/check_sparse.py'),
'compile_commands.json', sparse.full_path(), '-Wbitwise',
'-Wno-transparent-union', '-Wno-old-initializer',
'-Wno-non-pointer-null'])
endif
#####################################
# Host-specific libraries and flags #
#####################################
libm = cc.find_library('m', required: false)
threads = dependency('threads')
util = cc.find_library('util', required: false)
winmm = []
socket = []
version_res = []
coref = []
iokit = []
emulator_link_args = []
midl = not_found
widl = not_found
pathcch = not_found
host_dsosuf = '.so'
if host_os == 'windows'
midl = find_program('midl', required: false)
widl = find_program('widl', required: false)
pathcch = cc.find_library('pathcch')
socket = cc.find_library('ws2_32')
winmm = cc.find_library('winmm')
win = import('windows')
version_res = win.compile_resources('version.rc',
depend_files: files('pc-bios/qemu-nsis.ico'),
include_directories: include_directories('.'))
host_dsosuf = '.dll'
elif host_os == 'darwin'
coref = dependency('appleframeworks', modules: 'CoreFoundation')
iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
host_dsosuf = '.dylib'
elif host_os == 'sunos'
socket = [cc.find_library('socket'),
cc.find_library('nsl'),
cc.find_library('resolv')]
elif host_os == 'haiku'
socket = [cc.find_library('posix_error_mapper'),
cc.find_library('network'),
cc.find_library('bsd')]
elif host_os == 'openbsd'
if get_option('tcg').allowed() and target_dirs.length() > 0
# Disable OpenBSD W^X if available
emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
endif
endif
###############################################
# Host-specific configuration of accelerators #
###############################################
accelerators = []
if get_option('kvm').allowed() and host_os == 'linux'
accelerators += 'CONFIG_KVM'
endif
if get_option('whpx').allowed() and host_os == 'windows'
if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
error('WHPX requires 64-bit host')
elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
cc.has_header('winhvemulation.h', required: get_option('whpx'))
accelerators += 'CONFIG_WHPX'
endif
endif
hvf = not_found
if get_option('hvf').allowed()
hvf = dependency('appleframeworks', modules: 'Hypervisor',
required: get_option('hvf'))
if hvf.found()
accelerators += 'CONFIG_HVF'
endif
endif
nvmm = not_found
if host_os == 'netbsd'
nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
if nvmm.found()
accelerators += 'CONFIG_NVMM'
endif
endif
tcg_arch = host_arch
if get_option('tcg').allowed()
if host_arch == 'unknown'
if not get_option('tcg_interpreter')
error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
endif
elif get_option('tcg_interpreter')
warning('Use of the TCG interpreter is not recommended on this host')
warning('architecture. There is a native TCG execution backend available')
warning('which provides substantially better performance and reliability.')
warning('It is strongly recommended to remove the --enable-tcg-interpreter')
warning('configuration option on this architecture to use the native')
warning('backend.')
endif
if get_option('tcg_interpreter')
tcg_arch = 'tci'
elif host_arch == 'x86_64'
tcg_arch = 'i386'
elif host_arch == 'ppc64'
tcg_arch = 'ppc'
endif
add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
language: all_languages)
accelerators += 'CONFIG_TCG'
endif
if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
error('KVM not available on this platform')
endif
if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
error('HVF not available on this platform')
endif
if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
error('NVMM not available on this platform')
endif
if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
error('WHPX not available on this platform')
endif
xen = not_found
if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
xencontrol = dependency('xencontrol', required: false,
method: 'pkg-config')
if xencontrol.found()
xen_pc = declare_dependency(version: xencontrol.version(),
dependencies: [
xencontrol,
# disabler: true makes xen_pc.found() return false if any is not found
dependency('xenstore', required: false,
method: 'pkg-config',
disabler: true),
dependency('xenforeignmemory', required: false,
method: 'pkg-config',
disabler: true),
dependency('xengnttab', required: false,
method: 'pkg-config',
disabler: true),
dependency('xenevtchn', required: false,
method: 'pkg-config',
disabler: true),
dependency('xendevicemodel', required: false,
method: 'pkg-config',
disabler: true),
# optional, no "disabler: true"
dependency('xentoolcore', required: false,
method: 'pkg-config')])
if xen_pc.found()
xen = xen_pc
endif
endif
if not xen.found()
xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
xen_libs = {
'4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
'4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
'4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
'4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
'4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
}
xen_deps = {}
foreach ver: xen_tests
# cache the various library tests to avoid polluting the logs
xen_test_deps = []
foreach l: xen_libs[ver]
if l not in xen_deps
xen_deps += { l: cc.find_library(l, required: false) }
endif
xen_test_deps += xen_deps[l]
endforeach
# Use -D to pick just one of the test programs in scripts/xen-detect.c
xen_version = ver.split('.')
xen_ctrl_version = xen_version[0] + \
('0' + xen_version[1]).substring(-2) + \
('0' + xen_version[2]).substring(-2)
if cc.links(files('scripts/xen-detect.c'),
args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
dependencies: xen_test_deps)
xen = declare_dependency(version: ver, dependencies: xen_test_deps)
break
endif
endforeach
endif
if xen.found()
accelerators += 'CONFIG_XEN'
elif get_option('xen').enabled()
error('could not compile and link Xen test program')
endif
endif
have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
.require(xen.found(),
error_message: 'Xen PCI passthrough requested but Xen not enabled') \
.require(host_os == 'linux',
error_message: 'Xen PCI passthrough not available on this platform') \
.require(cpu == 'x86' or cpu == 'x86_64',
error_message: 'Xen PCI passthrough not available on this platform') \
.allowed()
################
# Dependencies #
################
# When bumping glib minimum version, please check also whether to increase
# the _WIN32_WINNT setting in osdep.h according to the value from glib
glib_req_ver = '>=2.56.0'
glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
method: 'pkg-config')
glib_cflags = []
if enable_modules
gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
method: 'pkg-config')
elif get_option('plugins')
gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
method: 'pkg-config')
else
gmodule = not_found
endif
# This workaround is required due to a bug in pkg-config file for glib as it
# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
if host_os == 'windows' and get_option('prefer_static')
glib_cflags += ['-DGLIB_STATIC_COMPILATION']
endif
# Sanity check that the current size_t matches the
# size that glib thinks it should be. This catches
# problems on multi-arch where people try to build
# 32-bit QEMU while pointing at 64-bit glib headers
if not cc.compiles('''
#include <glib.h>
#include <unistd.h>
#define QEMU_BUILD_BUG_ON(x) \
typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
int main(void) {
QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
return 0;
}''', dependencies: glib_pc, args: glib_cflags)
error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
You probably need to set PKG_CONFIG_LIBDIR" to point
to the right pkg-config files for your build target.''')
endif
# Silence clang warnings triggered by glib < 2.57.2
if not cc.compiles('''
#include <glib.h>
typedef struct Foo {
int i;
} Foo;
static void foo_free(Foo *f)
{
g_free(f);
}
G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
endif
glib = declare_dependency(dependencies: [glib_pc, gmodule],
compile_args: glib_cflags,
version: glib_pc.version())
# Check whether glib has gslice, which we have to avoid for correctness.
# TODO: remove this check and the corresponding workaround (qtree) when
# the minimum supported glib is >= 2.75.3
glib_has_gslice = glib.version().version_compare('<2.75.3')
# override glib dep to include the above refinements
meson.override_dependency('glib-2.0', glib)
# The path to glib.h is added to all compilation commands.
add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
native: false, language: all_languages)
gio = not_found
gdbus_codegen = not_found
gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
if not get_option('gio').auto() or have_system
gio = dependency('gio-2.0', required: get_option('gio'),
method: 'pkg-config')
if gio.found() and not cc.links('''
#include <gio/gio.h>
int main(void)
{
g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
return 0;
}''', dependencies: [glib, gio])
if get_option('gio').enabled()
error('The installed libgio is broken for static linking')
endif
gio = not_found
endif
if gio.found()
gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
required: get_option('gio'))
gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
method: 'pkg-config')
gio = declare_dependency(dependencies: [gio, gio_unix],
version: gio.version())
endif
endif
if gdbus_codegen.found() and get_option('cfi')
gdbus_codegen = not_found
gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
endif
xml_pp = find_program('scripts/xml-preprocess.py')
lttng = not_found
if 'ust' in get_option('trace_backends')
lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
method: 'pkg-config')
endif
pixman = not_found
if not get_option('pixman').auto() or have_system or have_tools
pixman = dependency('pixman-1', required: get_option('pixman'), version:'>=0.21.8',
method: 'pkg-config')
endif
zlib = dependency('zlib', required: true)
libaio = not_found
if not get_option('linux_aio').auto() or have_block
libaio = cc.find_library('aio', has_headers: ['libaio.h'],
required: get_option('linux_aio'))
endif
linux_io_uring_test = '''
#include <liburing.h>
#include <linux/errqueue.h>
int main(void) { return 0; }'''
linux_io_uring = not_found
if not get_option('linux_io_uring').auto() or have_block
linux_io_uring = dependency('liburing', version: '>=0.3',
required: get_option('linux_io_uring'),
method: 'pkg-config')
if not cc.links(linux_io_uring_test)
linux_io_uring = not_found
endif
endif
libnfs = not_found
if not get_option('libnfs').auto() or have_block
libnfs = dependency('libnfs', version: '>=1.9.3',
required: get_option('libnfs'),
method: 'pkg-config')
endif
libattr_test = '''
#include <stddef.h>
#include <sys/types.h>
#ifdef CONFIG_LIBATTR
#include <attr/xattr.h>
#else
#include <sys/xattr.h>
#endif
int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
libattr = not_found
have_old_libattr = false
if get_option('attr').allowed()
if cc.links(libattr_test)
libattr = declare_dependency()
else
libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
required: get_option('attr'))
if libattr.found() and not \
cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
libattr = not_found
if get_option('attr').enabled()
error('could not link libattr')
else
warning('could not link libattr, disabling')
endif
else
have_old_libattr = libattr.found()
endif
endif
endif
cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
required: get_option('cocoa'))
vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
'VMNET_BRIDGED_MODE',
dependencies: vmnet)
vmnet = not_found
if get_option('vmnet').enabled()
error('vmnet.framework API is outdated')
else
warning('vmnet.framework API is outdated, disabling')
endif
endif
seccomp = not_found
seccomp_has_sysrawrc = false
if not get_option('seccomp').auto() or have_system or have_tools
seccomp = dependency('libseccomp', version: '>=2.3.0',
required: get_option('seccomp'),
method: 'pkg-config')
if seccomp.found()
seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
'SCMP_FLTATR_API_SYSRAWRC',
dependencies: seccomp)
endif
endif
libcap_ng = not_found
if not get_option('cap_ng').auto() or have_system or have_tools
libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
required: get_option('cap_ng'))
endif
if libcap_ng.found() and not cc.links('''
#include <cap-ng.h>
int main(void)
{
capng_capability_to_name(CAPNG_EFFECTIVE);
return 0;
}''', dependencies: libcap_ng)
libcap_ng = not_found
if get_option('cap_ng').enabled()
error('could not link libcap-ng')
else
warning('could not link libcap-ng, disabling')
endif
endif
if get_option('xkbcommon').auto() and not have_system and not have_tools
xkbcommon = not_found
else
xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
method: 'pkg-config')
endif
slirp = not_found
if not get_option('slirp').auto() or have_system
slirp = dependency('slirp', required: get_option('slirp'),
method: 'pkg-config')
# slirp < 4.7 is incompatible with CFI support in QEMU. This is because
# it passes function pointers within libslirp as callbacks for timers.
# When using a system-wide shared libslirp, the type information for the
# callback is missing and the timer call produces a false positive with CFI.
# Do not use the "version" keyword argument to produce a better error.
# with control-flow integrity.
if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
if get_option('slirp').enabled()
error('Control-Flow Integrity requires libslirp 4.7.')
else
warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
slirp = not_found
endif
endif
endif
vde = not_found
if not get_option('vde').auto() or have_system or have_tools
vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
required: get_option('vde'))
endif
if vde.found() and not cc.links('''
#include <libvdeplug.h>
int main(void)
{
struct vde_open_args a = {0, 0, 0};
char s[] = "";
vde_open(s, s, &a);
return 0;
}''', dependencies: vde)
vde = not_found
if get_option('cap_ng').enabled()
error('could not link libvdeplug')
else
warning('could not link libvdeplug, disabling')
endif
endif
pulse = not_found
if not get_option('pa').auto() or (host_os == 'linux' and have_system)
pulse = dependency('libpulse', required: get_option('pa'),
method: 'pkg-config')
endif
alsa = not_found
if not get_option('alsa').auto() or (host_os == 'linux' and have_system)
alsa = dependency('alsa', required: get_option('alsa'),
method: 'pkg-config')
endif
jack = not_found
if not get_option('jack').auto() or have_system
jack = dependency('jack', required: get_option('jack'),
method: 'pkg-config')
endif
pipewire = not_found
if not get_option('pipewire').auto() or (host_os == 'linux' and have_system)
pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
required: get_option('pipewire'),
method: 'pkg-config')
endif
sndio = not_found
if not get_option('sndio').auto() or have_system
sndio = dependency('sndio', required: get_option('sndio'),
method: 'pkg-config')
endif
spice_protocol = not_found
if not get_option('spice_protocol').auto() or have_system
spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
required: get_option('spice_protocol'),
method: 'pkg-config')
endif
spice = not_found
if get_option('spice') \
.disable_auto_if(not have_system) \
.require(pixman.found(),
error_message: 'cannot enable SPICE if pixman is not available') \
.allowed()
spice = dependency('spice-server', version: '>=0.14.0',
required: get_option('spice'),
method: 'pkg-config')
endif
spice_headers = spice.partial_dependency(compile_args: true, includes: true)
rt = cc.find_library('rt', required: false)
libiscsi = not_found
if not get_option('libiscsi').auto() or have_block
libiscsi = dependency('libiscsi', version: '>=1.9.0',
required: get_option('libiscsi'),
method: 'pkg-config')
endif
zstd = not_found
if not get_option('zstd').auto() or have_block
zstd = dependency('libzstd', version: '>=1.4.0',
required: get_option('zstd'),
method: 'pkg-config')
endif
virgl = not_found
have_vhost_user_gpu = have_tools and host_os == 'linux' and pixman.found()
if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
virgl = dependency('virglrenderer',
method: 'pkg-config',
required: get_option('virglrenderer'))
endif
rutabaga = not_found
if not get_option('rutabaga_gfx').auto() or have_system or have_vhost_user_gpu
rutabaga = dependency('rutabaga_gfx_ffi',
method: 'pkg-config',
required: get_option('rutabaga_gfx'))
endif
blkio = not_found
if not get_option('blkio').auto() or have_block
blkio = dependency('blkio',
method: 'pkg-config',
required: get_option('blkio'))
endif
curl = not_found
if not get_option('curl').auto() or have_block
curl = dependency('libcurl', version: '>=7.29.0',
method: 'pkg-config',
required: get_option('curl'))
endif
libudev = not_found
if host_os == 'linux' and (have_system or have_tools)
libudev = dependency('libudev',
method: 'pkg-config',
required: get_option('libudev'))
endif
mpathlibs = [libudev]
mpathpersist = not_found
if host_os == 'linux' and have_tools and get_option('mpath').allowed()
mpath_test_source = '''
#include <libudev.h>
#include <mpath_persist.h>
unsigned mpath_mx_alloc_len = 1024;
int logsink;
static struct config *multipath_conf;
extern struct udev *udev;
extern struct config *get_multipath_config(void);
extern void put_multipath_config(struct config *conf);
struct udev *udev;
struct config *get_multipath_config(void) { return multipath_conf; }
void put_multipath_config(struct config *conf) { }
int main(void) {
udev = udev_new();
multipath_conf = mpath_lib_init();
return 0;
}'''
libmpathpersist = cc.find_library('mpathpersist',
required: get_option('mpath'))
if libmpathpersist.found()
mpathlibs += libmpathpersist
if get_option('prefer_static')
mpathlibs += cc.find_library('devmapper',
required: get_option('mpath'))
endif
mpathlibs += cc.find_library('multipath',
required: get_option('mpath'))
foreach lib: mpathlibs
if not lib.found()
mpathlibs = []
break
endif
endforeach
if mpathlibs.length() == 0
msg = 'Dependencies missing for libmpathpersist'
elif cc.links(mpath_test_source, dependencies: mpathlibs)
mpathpersist = declare_dependency(dependencies: mpathlibs)
else
msg = 'Cannot detect libmpathpersist API'
endif
if not mpathpersist.found()
if get_option('mpath').enabled()
error(msg)
else
warning(msg + ', disabling')
endif
endif
endif
endif
iconv = not_found
curses = not_found
if have_system and get_option('curses').allowed()
curses_test = '''
#if defined(__APPLE__) || defined(__OpenBSD__)
#define _XOPEN_SOURCE_EXTENDED 1
#endif
#include <locale.h>
#include <curses.h>
#include <wchar.h>
int main(void) {
wchar_t wch = L'w';
setlocale(LC_ALL, "");
resize_term(0, 0);
addwstr(L"wide chars\n");
addnwstr(&wch, 1);
add_wch(WACS_DEGREE);
return 0;
}'''
curses_dep_list = host_os == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
curses = dependency(curses_dep_list,
required: false,
method: 'pkg-config')
msg = get_option('curses').enabled() ? 'curses library not found' : ''
curses_compile_args = ['-DNCURSES_WIDECHAR=1']
if curses.found()
if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
version: curses.version())
else
msg = 'curses package not usable'
curses = not_found
endif
endif
if not curses.found()
has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
if host_os != 'windows' and not has_curses_h
message('Trying with /usr/include/ncursesw')
curses_compile_args += ['-I/usr/include/ncursesw']
has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
endif
if has_curses_h
curses_libname_list = (host_os == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
foreach curses_libname : curses_libname_list
libcurses = cc.find_library(curses_libname,
required: false)
if libcurses.found()
if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
curses = declare_dependency(compile_args: curses_compile_args,
dependencies: [libcurses])
break
else
msg = 'curses library not usable'
endif
endif
endforeach
endif
endif
if get_option('iconv').allowed()
foreach link_args : [ ['-liconv'], [] ]
# Programs will be linked with glib and this will bring in libiconv on FreeBSD.
# We need to use libiconv if available because mixing libiconv's headers with
# the system libc does not work.
# However, without adding glib to the dependencies -L/usr/local/lib will not be
# included in the command line and libiconv will not be found.
if cc.links('''
#include <iconv.h>
int main(void) {
iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
return conv != (iconv_t) -1;
}''', args: link_args, dependencies: glib)
iconv = declare_dependency(link_args: link_args, dependencies: glib)
break
endif
endforeach
endif
if curses.found() and not iconv.found()
if get_option('iconv').enabled()
error('iconv not available')
endif
msg = 'iconv required for curses UI but not available'
curses = not_found
endif
if not curses.found() and msg != ''
if get_option('curses').enabled()
error(msg)
else
warning(msg + ', disabling')
endif
endif
endif
brlapi = not_found
if not get_option('brlapi').auto() or have_system
brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
required: get_option('brlapi'))
if brlapi.found() and not cc.links('''
#include <brlapi.h>
#include <stddef.h>
int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
brlapi = not_found
if get_option('brlapi').enabled()
error('could not link brlapi')
else
warning('could not link brlapi, disabling')
endif
endif
endif
sdl = not_found
if not get_option('sdl').auto() or have_system
sdl = dependency('sdl2', required: get_option('sdl'))
sdl_image = not_found
endif
if sdl.found()
# Some versions of SDL have problems with -Wundef
if not cc.compiles('''
#include <SDL.h>
#include <SDL_syswm.h>
int main(int argc, char *argv[]) { return 0; }
''', dependencies: sdl, args: '-Werror=undef')
sdl = declare_dependency(compile_args: '-Wno-undef',
dependencies: sdl,
version: sdl.version())
endif
sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
method: 'pkg-config')
else
if get_option('sdl_image').enabled()
error('sdl-image required, but SDL was @0@'.format(
get_option('sdl').disabled() ? 'disabled' : 'not found'))
endif
sdl_image = not_found
endif
rbd = not_found
if not get_option('rbd').auto() or have_block
librados = cc.find_library('rados', required: get_option('rbd'))
librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
required: get_option('rbd'))
if librados.found() and librbd.found()
if cc.links('''
#include <stdio.h>
#include <rbd/librbd.h>
int main(void) {
rados_t cluster;
rados_create(&cluster, NULL);
#if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
#error
#endif
return 0;
}''', dependencies: [librbd, librados])
rbd = declare_dependency(dependencies: [librbd, librados])
elif get_option('rbd').enabled()
error('librbd >= 1.12.0 required')
else
warning('librbd >= 1.12.0 not found, disabling')
endif
endif
endif
glusterfs = not_found
glusterfs_ftruncate_has_stat = false
glusterfs_iocb_has_stat = false
if not get_option('glusterfs').auto() or have_block
glusterfs = dependency('glusterfs-api', version: '>=3',
required: get_option('glusterfs'),
method: 'pkg-config')
if glusterfs.found()
glusterfs_ftruncate_has_stat = cc.links('''
#include <glusterfs/api/glfs.h>
int
main(void)
{
/* new glfs_ftruncate() passes two additional args */
return glfs_ftruncate(NULL, 0, NULL, NULL);
}
''', dependencies: glusterfs)
glusterfs_iocb_has_stat = cc.links('''
#include <glusterfs/api/glfs.h>
/* new glfs_io_cbk() passes two additional glfs_stat structs */
static void
glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
{}
int
main(void)
{
glfs_io_cbk iocb = &glusterfs_iocb;
iocb(NULL, 0 , NULL, NULL, NULL);
return 0;
}
''', dependencies: glusterfs)
endif
endif
hv_balloon = false
if get_option('hv_balloon').allowed() and have_system
if cc.links('''
#include <string.h>
#include <gmodule.h>
int main(void) {
GTree *tree;
tree = g_tree_new((GCompareFunc)strcmp);
(void)g_tree_node_first(tree);
g_tree_destroy(tree);
return 0;
}
''', dependencies: glib)
hv_balloon = true
else
if get_option('hv_balloon').enabled()
error('could not enable hv-balloon, update your glib')
else
warning('could not find glib support for hv-balloon, disabling')
endif
endif
endif
libssh = not_found
if not get_option('libssh').auto() or have_block
libssh = dependency('libssh', version: '>=0.8.7',
method: 'pkg-config',
required: get_option('libssh'))
endif
libbzip2 = not_found
if not get_option('bzip2').auto() or have_block
libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
required: get_option('bzip2'))
if libbzip2.found() and not cc.links('''
#include <bzlib.h>
int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
libbzip2 = not_found
if get_option('bzip2').enabled()
error('could not link libbzip2')
else
warning('could not link libbzip2, disabling')
endif
endif
endif
liblzfse = not_found
if not get_option('lzfse').auto() or have_block
liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
required: get_option('lzfse'))
endif
if liblzfse.found() and not cc.links('''
#include <lzfse.h>
int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
liblzfse = not_found
if get_option('lzfse').enabled()
error('could not link liblzfse')
else
warning('could not link liblzfse, disabling')
endif
endif
oss = not_found
if get_option('oss').allowed() and have_system
if not cc.has_header('sys/soundcard.h')
# not found
elif host_os == 'netbsd'
oss = cc.find_library('ossaudio', required: get_option('oss'))
else
oss = declare_dependency()
endif
if not oss.found()
if get_option('oss').enabled()
error('OSS not found')
endif
endif
endif
dsound = not_found
if not get_option('dsound').auto() or (host_os == 'windows' and have_system)
if cc.has_header('dsound.h')
dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
endif
if not dsound.found()
if get_option('dsound').enabled()
error('DirectSound not found')
endif
endif
endif
coreaudio = not_found
if not get_option('coreaudio').auto() or (host_os == 'darwin' and have_system)
coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
required: get_option('coreaudio'))
endif
opengl = not_found
if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
epoxy = dependency('epoxy', method: 'pkg-config',
required: get_option('opengl'))
if cc.has_header('epoxy/egl.h', dependencies: epoxy)
opengl = epoxy
elif get_option('opengl').enabled()
error('epoxy/egl.h not found')
endif
endif
gbm = not_found
if (have_system or have_tools) and (virgl.found() or opengl.found())
gbm = dependency('gbm', method: 'pkg-config', required: false)
endif
have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
gnutls = not_found
gnutls_crypto = not_found
if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
# For general TLS support our min gnutls matches
# that implied by our platform support matrix
#
# For the crypto backends, we look for a newer
# gnutls:
#
# Version 3.6.8 is needed to get XTS
# Version 3.6.13 is needed to get PBKDF
# Version 3.6.14 is needed to get HW accelerated XTS
#
# If newer enough gnutls isn't available, we can
# still use a different crypto backend to satisfy
# the platform support requirements
gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
method: 'pkg-config',
required: false)
if gnutls_crypto.found()
gnutls = gnutls_crypto
else
# Our min version if all we need is TLS
gnutls = dependency('gnutls', version: '>=3.5.18',
method: 'pkg-config',
required: get_option('gnutls'))
endif
endif
# We prefer use of gnutls for crypto, unless the options
# explicitly asked for nettle or gcrypt.
#
# If gnutls isn't available for crypto, then we'll prefer
# gcrypt over nettle for performance reasons.
gcrypt = not_found
nettle = not_found
hogweed = not_found
crypto_sm4 = not_found
xts = 'none'
if get_option('nettle').enabled() and get_option('gcrypt').enabled()
error('Only one of gcrypt & nettle can be enabled')
endif
# Explicit nettle/gcrypt request, so ignore gnutls for crypto
if get_option('nettle').enabled() or get_option('gcrypt').enabled()
gnutls_crypto = not_found
endif
if not gnutls_crypto.found()
if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
gcrypt = dependency('libgcrypt', version: '>=1.8',
method: 'config-tool',
required: get_option('gcrypt'))
# Debian has removed -lgpg-error from libgcrypt-config
# as it "spreads unnecessary dependencies" which in
# turn breaks static builds...
if gcrypt.found() and get_option('prefer_static')
gcrypt = declare_dependency(dependencies:
[gcrypt,
cc.find_library('gpg-error', required: true)],
version: gcrypt.version())
endif
crypto_sm4 = gcrypt
# SM4 ALG is available in libgcrypt >= 1.9
if gcrypt.found() and not cc.links('''
#include <gcrypt.h>
int main(void) {
gcry_cipher_hd_t handler;
gcry_cipher_open(&handler, GCRY_CIPHER_SM4, GCRY_CIPHER_MODE_ECB, 0);
return 0;
}''', dependencies: gcrypt)
crypto_sm4 = not_found
endif
endif
if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
nettle = dependency('nettle', version: '>=3.4',
method: 'pkg-config',
required: get_option('nettle'))
if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
xts = 'private'
endif
crypto_sm4 = nettle
# SM4 ALG is available in nettle >= 3.9
if nettle.found() and not cc.links('''
#include <nettle/sm4.h>
int main(void) {
struct sm4_ctx ctx;
unsigned char key[16] = {0};
sm4_set_encrypt_key(&ctx, key);
return 0;
}''', dependencies: nettle)
crypto_sm4 = not_found
endif
endif
endif
capstone = not_found
if not get_option('capstone').auto() or have_system or have_user
capstone = dependency('capstone', version: '>=3.0.5',
method: 'pkg-config',
required: get_option('capstone'))
# Some versions of capstone have broken pkg-config file
# that reports a wrong -I path, causing the #include to
# fail later. If the system has such a broken version
# do not use it.
if capstone.found() and not cc.compiles('#include <capstone.h>',
dependencies: [capstone])
capstone = not_found
if get_option('capstone').enabled()
error('capstone requested, but it does not appear to work')
endif
endif
endif
gmp = dependency('gmp', required: false, method: 'pkg-config')
if nettle.found() and gmp.found()
hogweed = dependency('hogweed', version: '>=3.4',
method: 'pkg-config',
required: get_option('nettle'))
endif
gtk = not_found
gtkx11 = not_found
vte = not_found
have_gtk_clipboard = get_option('gtk_clipboard').enabled()
if get_option('gtk') \
.disable_auto_if(not have_system) \
.require(pixman.found(),
error_message: 'cannot enable GTK if pixman is not available') \
.allowed()
gtk = dependency('gtk+-3.0', version: '>=3.22.0',
method: 'pkg-config',
required: get_option('gtk'))
if gtk.found()
gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
method: 'pkg-config',
required: false)
gtk = declare_dependency(dependencies: [gtk, gtkx11],
version: gtk.version())
if not get_option('vte').auto() or have_system
vte = dependency('vte-2.91',
method: 'pkg-config',
required: get_option('vte'))
endif
elif have_gtk_clipboard
error('GTK clipboard requested, but GTK not found')
endif
endif
x11 = not_found
if gtkx11.found()
x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
endif
png = not_found
if get_option('png').allowed() and have_system
png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
method: 'pkg-config')
endif
vnc = not_found
jpeg = not_found
sasl = not_found
if get_option('vnc') \
.disable_auto_if(not have_system) \
.require(pixman.found(),
error_message: 'cannot enable VNC if pixman is not available') \
.allowed()
vnc = declare_dependency() # dummy dependency
jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
method: 'pkg-config')
sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
required: get_option('vnc_sasl'))
if sasl.found()
sasl = declare_dependency(dependencies: sasl,
compile_args: '-DSTRUCT_IOVEC_DEFINED')
endif
endif
pam = not_found
if not get_option('auth_pam').auto() or have_system
pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
required: get_option('auth_pam'))
endif
if pam.found() and not cc.links('''
#include <stddef.h>
#include <security/pam_appl.h>
int main(void) {
const char *service_name = "qemu";
const char *user = "frank";
const struct pam_conv pam_conv = { 0 };
pam_handle_t *pamh = NULL;
pam_start(service_name, user, &pam_conv, &pamh);
return 0;
}''', dependencies: pam)
pam = not_found
if get_option('auth_pam').enabled()
error('could not link libpam')
else
warning('could not link libpam, disabling')
endif
endif
snappy = not_found
if not get_option('snappy').auto() or have_system
snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
required: get_option('snappy'))
endif
if snappy.found() and not cc.links('''
#include <snappy-c.h>
int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
snappy = not_found
if get_option('snappy').enabled()
error('could not link libsnappy')
else
warning('could not link libsnappy, disabling')
endif
endif
lzo = not_found
if not get_option('lzo').auto() or have_system
lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
required: get_option('lzo'))
endif
if lzo.found() and not cc.links('''
#include <lzo/lzo1x.h>
int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
lzo = not_found
if get_option('lzo').enabled()
error('could not link liblzo2')
else
warning('could not link liblzo2, disabling')
endif
endif
numa = not_found
if not get_option('numa').auto() or have_system or have_tools
numa = cc.find_library('numa', has_headers: ['numa.h'],
required: get_option('numa'))
endif
if numa.found() and not cc.links('''
#include <numa.h>
int main(void) { return numa_available(); }
''', dependencies: numa)
numa = not_found
if get_option('numa').enabled()
error('could not link numa')
else
warning('could not link numa, disabling')
endif
endif
rdma = not_found
if not get_option('rdma').auto() or have_system
libumad = cc.find_library('ibumad', required: get_option('rdma'))
rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
required: get_option('rdma')),
cc.find_library('ibverbs', required: get_option('rdma')),
libumad]
rdma = declare_dependency(dependencies: rdma_libs)
foreach lib: rdma_libs
if not lib.found()
rdma = not_found
endif
endforeach
endif
cacard = not_found
if not get_option('smartcard').auto() or have_system
cacard = dependency('libcacard', required: get_option('smartcard'),
version: '>=2.5.1', method: 'pkg-config')
endif
u2f = not_found
if not get_option('u2f').auto() or have_system
u2f = dependency('u2f-emu', required: get_option('u2f'),
method: 'pkg-config')
endif
canokey = not_found
if not get_option('canokey').auto() or have_system
canokey = dependency('canokey-qemu', required: get_option('canokey'),
method: 'pkg-config')
endif
usbredir = not_found
if not get_option('usb_redir').auto() or have_system
usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
version: '>=0.6', method: 'pkg-config')
endif
libusb = not_found
if not get_option('libusb').auto() or have_system
libusb = dependency('libusb-1.0', required: get_option('libusb'),
version: '>=1.0.13', method: 'pkg-config')
endif
libpmem = not_found
if not get_option('libpmem').auto() or have_system
libpmem = dependency('libpmem', required: get_option('libpmem'),
method: 'pkg-config')
endif
libdaxctl = not_found
if not get_option('libdaxctl').auto() or have_system
libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
version: '>=57', method: 'pkg-config')
endif
tasn1 = not_found
if gnutls.found()
tasn1 = dependency('libtasn1',
method: 'pkg-config')
endif
keyutils = not_found
if not get_option('libkeyutils').auto() or have_block
keyutils = dependency('libkeyutils', required: get_option('libkeyutils'),
method: 'pkg-config')
endif
has_gettid = cc.has_function('gettid')
# libselinux
selinux = dependency('libselinux',
required: get_option('selinux'),
method: 'pkg-config')
# Malloc tests
malloc = []
if get_option('malloc') == 'system'
has_malloc_trim = \
get_option('malloc_trim').allowed() and \
cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
else
has_malloc_trim = false
malloc = cc.find_library(get_option('malloc'), required: true)
endif
if not has_malloc_trim and get_option('malloc_trim').enabled()
if get_option('malloc') == 'system'
error('malloc_trim not available on this platform.')
else
error('malloc_trim not available with non-libc memory allocator')
endif
endif
gnu_source_prefix = '''
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
'''
# Check whether the glibc provides STATX_BASIC_STATS
has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
# Check whether statx() provides mount ID information
has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
.require(host_os == 'linux',
error_message: 'vhost_user_blk_server requires linux') \
.require(have_vhost_user,
error_message: 'vhost_user_blk_server requires vhost-user support') \
.disable_auto_if(not have_tools and not have_system) \
.allowed()
if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
error('Cannot enable fuse-lseek while fuse is disabled')
endif
fuse = dependency('fuse3', required: get_option('fuse'),
version: '>=3.1', method: 'pkg-config')
fuse_lseek = not_found
if get_option('fuse_lseek').allowed()
if fuse.version().version_compare('>=3.8')
# Dummy dependency
fuse_lseek = declare_dependency()
elif get_option('fuse_lseek').enabled()
if fuse.found()
error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
else
error('fuse-lseek requires libfuse, which was not found')
endif
endif
endif
have_libvduse = (host_os == 'linux')
if get_option('libvduse').enabled()
if host_os != 'linux'
error('libvduse requires linux')
endif
elif get_option('libvduse').disabled()
have_libvduse = false
endif
have_vduse_blk_export = (have_libvduse and host_os == 'linux')
if get_option('vduse_blk_export').enabled()
if host_os != 'linux'
error('vduse_blk_export requires linux')
elif not have_libvduse
error('vduse_blk_export requires libvduse support')
endif
elif get_option('vduse_blk_export').disabled()
have_vduse_blk_export = false
endif
# libbpf
bpf_version = '1.1.0'
libbpf = dependency('libbpf', version: '>=' + bpf_version, required: get_option('bpf'), method: 'pkg-config')
if libbpf.found() and not cc.links('''
#include <bpf/libbpf.h>
#include <linux/bpf.h>
int main(void)
{
// check flag availability
int flag = BPF_F_MMAPABLE;
bpf_object__destroy_skeleton(NULL);
return 0;
}''', dependencies: libbpf)
libbpf = not_found
if get_option('bpf').enabled()
error('libbpf skeleton/mmaping test failed')
else
warning('libbpf skeleton/mmaping test failed, disabling')
endif
endif
# libxdp
libxdp = not_found
if not get_option('af_xdp').auto() or have_system
libxdp = dependency('libxdp', required: get_option('af_xdp'),
version: '>=1.4.0', method: 'pkg-config')
endif
# libdw
libdw = not_found
if not get_option('libdw').auto() or \
(not get_option('prefer_static') and (have_system or have_user))
libdw = dependency('libdw',
method: 'pkg-config',
required: get_option('libdw'))
endif
#################
# config-host.h #
#################
config_host_data = configuration_data()
audio_drivers_selected = []
if have_system
audio_drivers_available = {
'alsa': alsa.found(),
'coreaudio': coreaudio.found(),
'dsound': dsound.found(),
'jack': jack.found(),
'oss': oss.found(),
'pa': pulse.found(),
'pipewire': pipewire.found(),
'sdl': sdl.found(),
'sndio': sndio.found(),
}
foreach k, v: audio_drivers_available
config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
endforeach
# Default to native drivers first, OSS second, SDL third
audio_drivers_priority = \
[ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
(host_os == 'linux' ? [] : [ 'sdl' ])
audio_drivers_default = []
foreach k: audio_drivers_priority
if audio_drivers_available[k]
audio_drivers_default += k
endif
endforeach
foreach k: get_option('audio_drv_list')
if k == 'default'
audio_drivers_selected += audio_drivers_default
elif not audio_drivers_available[k]
error('Audio driver "@0@" not available.'.format(k))
else
audio_drivers_selected += k
endif
endforeach
endif
config_host_data.set('CONFIG_AUDIO_DRIVERS',
'"' + '", "'.join(audio_drivers_selected) + '", ')
have_host_block_device = (host_os != 'darwin' or
cc.has_header('IOKit/storage/IOMedia.h'))
dbus_display = get_option('dbus_display') \
.require(gio.version().version_compare('>=2.64'),
error_message: '-display dbus requires glib>=2.64') \
.require(gdbus_codegen.found(),
error_message: gdbus_codegen_error.format('-display dbus')) \
.allowed()
have_virtfs = get_option('virtfs') \
.require(host_os == 'linux' or host_os == 'darwin',
error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
.require(host_os == 'linux' or cc.has_function('pthread_fchdir_np'),
error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
.require(host_os == 'darwin' or libattr.found(),
error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
.disable_auto_if(not have_tools and not have_system) \
.allowed()
have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
.require(host_os != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
.require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
.disable_auto_if(not have_tools) \
.require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
.allowed()
if get_option('block_drv_ro_whitelist') == ''
config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
else
config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
'"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
endif
if get_option('block_drv_rw_whitelist') == ''
config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
else
config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
'"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
endif
foreach k : get_option('trace_backends')
config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
endforeach
config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
if iasl.found()
config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
endif
config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
qemu_firmwarepath = ''
foreach k : get_option('qemu_firmwarepath')
qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
endforeach
config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
if enable_modules
config_host_data.set('CONFIG_STAMP', run_command(
meson.current_source_dir() / 'scripts/qemu-stamp.py',
meson.project_version(), get_option('pkgversion'), '--',
meson.current_source_dir() / 'configure',
capture: true, check: true).stdout().strip())
endif
have_slirp_smbd = get_option('slirp_smbd') \
.require(host_os != 'windows', error_message: 'Host smbd not supported on this platform.') \
.allowed()
if have_slirp_smbd
smbd_path = get_option('smbd')
if smbd_path == ''
smbd_path = (host_os == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
endif
config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
endif
config_host_data.set('HOST_' + host_arch.to_upper(), 1)
kvm_targets_c = '""'
if get_option('kvm').allowed() and host_os == 'linux'
kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
endif
config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
if get_option('module_upgrades') and not enable_modules
error('Cannot enable module-upgrades as modules are not enabled')
endif
config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
config_host_data.set('CONFIG_ATTR', libattr.found())
config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
config_host_data.set('CONFIG_BRLAPI', brlapi.found())
config_host_data.set('CONFIG_BSD', host_os in bsd_oses)
config_host_data.set('CONFIG_CAPSTONE', capstone.found())
config_host_data.set('CONFIG_COCOA', cocoa.found())
config_host_data.set('CONFIG_DARWIN', host_os == 'darwin')
config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
config_host_data.set('CONFIG_LIBUDEV', libudev.found())
config_host_data.set('CONFIG_LINUX', host_os == 'linux')
config_host_data.set('CONFIG_POSIX', host_os != 'windows')
config_host_data.set('CONFIG_WIN32', host_os == 'windows')
config_host_data.set('CONFIG_LZO', lzo.found())
config_host_data.set('CONFIG_MPATH', mpathpersist.found())
config_host_data.set('CONFIG_BLKIO', blkio.found())
if blkio.found()
config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
blkio.version().version_compare('>=1.3.0'))
endif
config_host_data.set('CONFIG_CURL', curl.found())
config_host_data.set('CONFIG_CURSES', curses.found())
config_host_data.set('CONFIG_GBM', gbm.found())
config_host_data.set('CONFIG_GIO', gio.found())
config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
if glusterfs.found()
config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
endif
config_host_data.set('CONFIG_GTK', gtk.found())
config_host_data.set('CONFIG_VTE', vte.found())
config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
config_host_data.set('CONFIG_EBPF', libbpf.found())
config_host_data.set('CONFIG_AF_XDP', libxdp.found())
config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
config_host_data.set('CONFIG_LIBNFS', libnfs.found())
config_host_data.set('CONFIG_LIBSSH', libssh.found())
config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
config_host_data.set('CONFIG_MODULES', enable_modules)
config_host_data.set('CONFIG_NUMA', numa.found())
if numa.found()
config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
cc.has_function('numa_has_preferred_many',
dependencies: numa))
endif
config_host_data.set('CONFIG_OPENGL', opengl.found())
config_host_data.set('CONFIG_PLUGIN', get_option('plugins'))
config_host_data.set('CONFIG_RBD', rbd.found())
config_host_data.set('CONFIG_RDMA', rdma.found())
config_host_data.set('CONFIG_RELOCATABLE', get_option('relocatable'))
config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
config_host_data.set('CONFIG_SDL', sdl.found())
config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
config_host_data.set('CONFIG_SECCOMP', seccomp.found())
if seccomp.found()
config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
endif
config_host_data.set('CONFIG_PIXMAN', pixman.found())
config_host_data.set('CONFIG_SLIRP', slirp.found())
config_host_data.set('CONFIG_SNAPPY', snappy.found())
config_host_data.set('CONFIG_SOLARIS', host_os == 'sunos')
if get_option('tcg').allowed()
config_host_data.set('CONFIG_TCG', 1)
config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
endif
config_host_data.set('CONFIG_TPM', have_tpm)
config_host_data.set('CONFIG_TSAN', get_option('tsan'))
config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
config_host_data.set('CONFIG_VDE', vde.found())
config_host_data.set('CONFIG_VHOST', have_vhost)
config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
config_host_data.set('CONFIG_VMNET', vmnet.found())
config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
config_host_data.set('CONFIG_PNG', png.found())
config_host_data.set('CONFIG_VNC', vnc.found())
config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
config_host_data.set('CONFIG_VNC_SASL', sasl.found())
if virgl.found()
config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
prefix: '#include <virglrenderer.h>',
dependencies: virgl))
endif
config_host_data.set('CONFIG_VIRTFS', have_virtfs)
config_host_data.set('CONFIG_VTE', vte.found())
config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
config_host_data.set('CONFIG_GETTID', has_gettid)
config_host_data.set('CONFIG_GNUTLS', gnutls.found())
config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
config_host_data.set('CONFIG_TASN1', tasn1.found())
config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
config_host_data.set('CONFIG_NETTLE', nettle.found())
config_host_data.set('CONFIG_CRYPTO_SM4', crypto_sm4.found())
config_host_data.set('CONFIG_HOGWEED', hogweed.found())
config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
config_host_data.set('CONFIG_STATX', has_statx)
config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
config_host_data.set('CONFIG_ZSTD', zstd.found())
config_host_data.set('CONFIG_FUSE', fuse.found())
config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
if spice_protocol.found()
config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
endif
config_host_data.set('CONFIG_SPICE', spice.found())
config_host_data.set('CONFIG_X11', x11.found())
config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
config_host_data.set('CONFIG_CFI', get_option('cfi'))
config_host_data.set('CONFIG_SELINUX', selinux.found())
config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
config_host_data.set('CONFIG_LIBDW', libdw.found())
if xen.found()
# protect from xen.version() having less than three components
xen_version = xen.version().split('.') + ['0', '0']
xen_ctrl_version = xen_version[0] + \
('0' + xen_version[1]).substring(-2) + \
('0' + xen_version[2]).substring(-2)
config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
endif
config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
have_coroutine_pool = get_option('coroutine_pool')
if get_option('debug_stack_usage') and have_coroutine_pool
message('Disabling coroutine pool to measure stack usage')
have_coroutine_pool = false
endif
config_host_data.set('CONFIG_COROUTINE_POOL', have_coroutine_pool)
config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
# has_header
config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
if host_os == 'windows'
config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
endif
# has_function
config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
# Note that we need to specify prefix: here to avoid incorrectly
# thinking that Windows has posix_memalign()
config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
if rbd.found()
config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
cc.has_function('rbd_namespace_exists',
dependencies: rbd,
prefix: '#include <rbd/librbd.h>'))
endif
if rdma.found()
config_host_data.set('HAVE_IBV_ADVISE_MR',
cc.has_function('ibv_advise_mr',
dependencies: rdma,
prefix: '#include <infiniband/verbs.h>'))
endif
have_asan_fiber = false
if get_option('sanitizers') and \
not cc.has_function('__sanitizer_start_switch_fiber',
args: '-fsanitize=address',
prefix: '#include <sanitizer/asan_interface.h>')
warning('Missing ASAN due to missing fiber annotation interface')
warning('Without code annotation, the report may be inferior.')
else
have_asan_fiber = true
endif
config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
have_inotify_init = cc.has_header_symbol('sys/inotify.h', 'inotify_init')
have_inotify_init1 = cc.has_header_symbol('sys/inotify.h', 'inotify_init1')
inotify = not_found
if (have_inotify_init or have_inotify_init1) and host_os == 'freebsd'
# libinotify-kqueue
inotify = cc.find_library('inotify')
if have_inotify_init
have_inotify_init = inotify.found()
endif
if have_inotify_init1
have_inotify_init1 = inotify.found()
endif
endif
config_host_data.set('CONFIG_INOTIFY', have_inotify_init)
config_host_data.set('CONFIG_INOTIFY1', have_inotify_init1)
# has_header_symbol
config_host_data.set('CONFIG_BLKZONED',
cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
config_host_data.set('CONFIG_EPOLL_CREATE1',
cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
config_host_data.set('CONFIG_FIEMAP',
cc.has_header('linux/fiemap.h') and
cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
config_host_data.set('CONFIG_GETRANDOM',
cc.has_function('getrandom') and
cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
config_host_data.set('CONFIG_RTNETLINK',
cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
config_host_data.set('CONFIG_SYSMACROS',
cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
config_host_data.set('HAVE_OPTRESET',
cc.has_header_symbol('getopt.h', 'optreset'))
config_host_data.set('HAVE_IPPROTO_MPTCP',
cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
# has_member
config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
cc.has_member('struct sigevent', 'sigev_notify_thread_id',
prefix: '#include <signal.h>'))
config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
cc.has_member('struct stat', 'st_atim',
prefix: '#include <sys/stat.h>'))
config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
cc.has_member('struct blk_zone', 'capacity',
prefix: '#include <linux/blkzoned.h>'))
# has_type
config_host_data.set('CONFIG_IOVEC',
cc.has_type('struct iovec',
prefix: '#include <sys/uio.h>'))
config_host_data.set('HAVE_UTMPX',
cc.has_type('struct utmpx',
prefix: '#include <utmpx.h>'))
config_host_data.set('CONFIG_EVENTFD', cc.links('''
#include <sys/eventfd.h>
int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
#include <unistd.h>
int main(void) {
#if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
return fdatasync(0);
#else
#error Not supported
#endif
}'''))
has_madvise = cc.links(gnu_source_prefix + '''
#include <sys/types.h>
#include <sys/mman.h>
#include <stddef.h>
int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
missing_madvise_proto = false
if has_madvise
# Some platforms (illumos and Solaris before Solaris 11) provide madvise()
# but forget to prototype it. In this case, has_madvise will be true (the
# test program links despite a compile warning). To detect the
# missing-prototype case, we try again with a definitely-bogus prototype.
# This will only compile if the system headers don't provide the prototype;
# otherwise the conflicting prototypes will cause a compiler error.
missing_madvise_proto = cc.links(gnu_source_prefix + '''
#include <sys/types.h>
#include <sys/mman.h>
#include <stddef.h>
extern int madvise(int);
int main(void) { return madvise(0); }''')
endif
config_host_data.set('CONFIG_MADVISE', has_madvise)
config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
#include <sys/mman.h>
int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
#include <fcntl.h>
#if !defined(AT_EMPTY_PATH)
# error missing definition
#else
int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
#endif'''))
config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
#include <sys/mman.h>
#include <stddef.h>
int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
#include <pthread.h>
static void *f(void *p) { return NULL; }
int main(void)
{
pthread_t thread;
pthread_create(&thread, 0, f, 0);
pthread_setname_np(thread, "QEMU");
return 0;
}''', dependencies: threads))
config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
#include <pthread.h>
static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
int main(void)
{
pthread_t thread;
pthread_create(&thread, 0, f, 0);
return 0;
}''', dependencies: threads))
config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
#include <pthread.h>
#include <pthread_np.h>
static void *f(void *p) { return NULL; }
int main(void)
{
pthread_t thread;
pthread_create(&thread, 0, f, 0);
pthread_set_name_np(thread, "QEMU");
return 0;
}''', dependencies: threads))
config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
#include <pthread.h>
#include <time.h>
int main(void)
{
pthread_condattr_t attr
pthread_condattr_init(&attr);
pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
return 0;
}''', dependencies: threads))
config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
#include <pthread.h>
static void *f(void *p) { return NULL; }
int main(void)
{
int setsize = CPU_ALLOC_SIZE(64);
pthread_t thread;
cpu_set_t *cpuset;
pthread_create(&thread, 0, f, 0);
cpuset = CPU_ALLOC(64);
CPU_ZERO_S(setsize, cpuset);
pthread_setaffinity_np(thread, setsize, cpuset);
pthread_getaffinity_np(thread, setsize, cpuset);
CPU_FREE(cpuset);
return 0;
}''', dependencies: threads))
config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
#include <sys/signalfd.h>
#include <stddef.h>
int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
#include <unistd.h>
#include <fcntl.h>
#include <limits.h>
int main(void)
{
int len, fd = 0;
len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
return 0;
}'''))
config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
#include <sys/mman.h>
int main(void) {
return mlockall(MCL_FUTURE);
}'''))
have_l2tpv3 = false
if get_option('l2tpv3').allowed() and have_system
have_l2tpv3 = cc.has_type('struct mmsghdr',
prefix: gnu_source_prefix + '''
#include <sys/socket.h>
#include <linux/ip.h>''')
endif
config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
have_netmap = false
if get_option('netmap').allowed() and have_system
have_netmap = cc.compiles('''
#include <inttypes.h>
#include <net/if.h>
#include <net/netmap.h>
#include <net/netmap_user.h>
#if (NETMAP_API < 11) || (NETMAP_API > 15)
#error
#endif
int main(void) { return 0; }''')
if not have_netmap and get_option('netmap').enabled()
error('Netmap headers not available')
endif
endif
config_host_data.set('CONFIG_NETMAP', have_netmap)
# Work around a system header bug with some kernel/XFS header
# versions where they both try to define 'struct fsxattr':
# xfs headers will not try to redefine structs from linux headers
# if this macro is set.
config_host_data.set('HAVE_FSXATTR', cc.links('''
#include <linux/fs.h>
struct fsxattr foo;
int main(void) {
return 0;
}'''))
# Some versions of Mac OS X incorrectly define SIZE_MAX
config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
#include <stdint.h>
#include <stdio.h>
int main(void) {
return printf("%zu", SIZE_MAX);
}''', args: ['-Werror']))
# See if 64-bit atomic operations are supported.
# Note that without __atomic builtins, we can only
# assume atomic loads/stores max at pointer size.
config_host_data.set('CONFIG_ATOMIC64', cc.links('''
#include <stdint.h>
int main(void)
{
uint64_t x = 0, y = 0;
y = __atomic_load_n(&x, __ATOMIC_RELAXED);
__atomic_store_n(&x, y, __ATOMIC_RELAXED);
__atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
__atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
__atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
return 0;
}'''))
has_int128_type = cc.compiles('''
__int128_t a;
__uint128_t b;
int main(void) { b = a; }''')
config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
has_int128 = has_int128_type and cc.links('''
__int128_t a;
__uint128_t b;
int main (void) {
a = a + b;
b = a * b;
a = a * a;
return 0;
}''')
config_host_data.set('CONFIG_INT128', has_int128)
if has_int128_type
# "do we have 128-bit atomics which are handled inline and specifically not
# via libatomic". The reason we can't use libatomic is documented in the
# comment starting "GCC is a house divided" in include/qemu/atomic128.h.
# We only care about these operations on 16-byte aligned pointers, so
# force 16-byte alignment of the pointer, which may be greater than
# __alignof(unsigned __int128) for the host.
atomic_test_128 = '''
int main(int ac, char **av) {
__uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
__atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
__atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
return 0;
}'''
has_atomic128 = cc.links(atomic_test_128)
config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
if not has_atomic128
# Even with __builtin_assume_aligned, the above test may have failed
# without optimization enabled. Try again with optimizations locally
# enabled for the function. See
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
if not has_atomic128_opt
config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
int main(void)
{
__uint128_t x = 0, y = 0;
__sync_val_compare_and_swap_16(&x, y, x);
return 0;
}
'''))
endif
endif
endif
config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
#include <sys/auxv.h>
int main(void) {
return getauxval(AT_HWCAP) == 0;
}'''))
config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
#include <linux/usbdevice_fs.h>
#ifndef USBDEVFS_GET_CAPABILITIES
#error "USBDEVFS_GET_CAPABILITIES undefined"
#endif
#ifndef USBDEVFS_DISCONNECT_CLAIM
#error "USBDEVFS_DISCONNECT_CLAIM undefined"
#endif
int main(void) { return 0; }'''))
have_keyring = get_option('keyring') \
.require(host_os == 'linux', error_message: 'keyring is only available on Linux') \
.require(cc.compiles('''
#include <errno.h>
#include <asm/unistd.h>
#include <linux/keyctl.h>
#include <sys/syscall.h>
#include <unistd.h>
int main(void) {
return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
}'''), error_message: 'keyctl syscall not available on this system').allowed()
config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
have_cpuid_h = cc.links('''
#include <cpuid.h>
int main(void) {
unsigned a, b, c, d;
unsigned max = __get_cpuid_max(0, 0);
if (max >= 1) {
__cpuid(1, a, b, c, d);
}
if (max >= 7) {
__cpuid_count(7, 0, a, b, c, d);
}
return 0;
}''')
config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
.require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
.require(cc.links('''
#include <cpuid.h>
#include <immintrin.h>
static int __attribute__((target("avx2"))) bar(void *a) {
__m256i x = *(__m256i *)a;
return _mm256_testz_si256(x, x);
}
int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
'''), error_message: 'AVX2 not available').allowed())
config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
.require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
.require(cc.links('''
#include <cpuid.h>
#include <immintrin.h>
static int __attribute__((target("avx512f"))) bar(void *a) {
__m512i x = *(__m512i *)a;
return _mm512_test_epi64_mask(x, x);
}
int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
'''), error_message: 'AVX512F not available').allowed())
config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
.require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
.require(cc.links('''
#include <cpuid.h>
#include <immintrin.h>
static int __attribute__((target("avx512bw"))) bar(void *a) {
__m512i *x = a;
__m512i res= _mm512_abs_epi8(*x);
return res[1];
}
int main(int argc, char *argv[]) { return bar(argv[0]); }
'''), error_message: 'AVX512BW not available').allowed())
# For both AArch64 and AArch32, detect if builtins are available.
config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
#include <arm_neon.h>
#ifndef __ARM_FEATURE_AES
__attribute__((target("+crypto")))
#endif
void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
'''))
have_pvrdma = get_option('pvrdma') \
.require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
.require(cc.compiles(gnu_source_prefix + '''
#include <sys/mman.h>
int main(void)
{
char buf = 0;
void *addr = &buf;
addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
return 0;
}'''), error_message: 'PVRDMA requires mremap').allowed()
if have_pvrdma
config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
#include <infiniband/verbs.h>
int main(void)
{
struct ibv_mr *mr;
struct ibv_pd *pd = NULL;
size_t length = 10;
uint64_t iova = 0;
int access = 0;
void *addr = NULL;
mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
ibv_dereg_mr(mr);
return 0;
}'''))
endif
if get_option('membarrier').disabled()
have_membarrier = false
elif host_os == 'windows'
have_membarrier = true
elif host_os == 'linux'
have_membarrier = cc.compiles('''
#include <linux/membarrier.h>
#include <sys/syscall.h>
#include <unistd.h>
#include <stdlib.h>
int main(void) {
syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
exit(0);
}''')
endif
config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
.require(have_membarrier, error_message: 'membarrier system call not available') \
.allowed())
have_afalg = get_option('crypto_afalg') \
.require(cc.compiles(gnu_source_prefix + '''
#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <linux/if_alg.h>
int main(void) {
int sock;
sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
return sock;
}
'''), error_message: 'AF_ALG requested but could not be detected').allowed()
config_host_data.set('CONFIG_AF_ALG', have_afalg)
config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
'linux/vm_sockets.h', 'AF_VSOCK',
prefix: '#include <sys/socket.h>',
))
have_vss = false
have_vss_sdk = false # old xp/2003 SDK
if host_os == 'windows' and 'cpp' in all_languages
have_vss = cxx.compiles('''
#define __MIDL_user_allocate_free_DEFINED__
#include <vss.h>
int main(void) { return VSS_CTX_BACKUP; }''')
have_vss_sdk = cxx.has_header('vscoordint.h')
endif
config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
# Older versions of MinGW do not import _lock_file and _unlock_file properly.
# This was fixed for v6.0.0 with commit b48e3ac8969d.
if host_os == 'windows'
config_host_data.set('HAVE__LOCK_FILE', cc.links('''
#include <stdio.h>
int main(void) {
_lock_file(NULL);
_unlock_file(NULL);
return 0;
}''', name: '_lock_file and _unlock_file'))
endif
if host_os == 'windows'
mingw_has_setjmp_longjmp = cc.links('''
#include <setjmp.h>
int main(void) {
/*
* These functions are not available in setjmp header, but may be
* available at link time, from libmingwex.a.
*/
extern int __mingw_setjmp(jmp_buf);
extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
jmp_buf env;
__mingw_setjmp(env);
__mingw_longjmp(env, 0);
}
''', name: 'mingw setjmp and longjmp')
if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
error('mingw must provide setjmp/longjmp for windows-arm64')
endif
endif
########################
# Target configuration #
########################
minikconf = find_program('scripts/minikconf.py')
config_all_accel = {}
config_all_devices = {}
config_devices_mak_list = []
config_devices_h = {}
config_target_h = {}
config_target_mak = {}
disassemblers = {
'alpha' : ['CONFIG_ALPHA_DIS'],
'avr' : ['CONFIG_AVR_DIS'],
'cris' : ['CONFIG_CRIS_DIS'],
'hexagon' : ['CONFIG_HEXAGON_DIS'],
'hppa' : ['CONFIG_HPPA_DIS'],
'i386' : ['CONFIG_I386_DIS'],
'x86_64' : ['CONFIG_I386_DIS'],
'm68k' : ['CONFIG_M68K_DIS'],
'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
'mips' : ['CONFIG_MIPS_DIS'],
'nios2' : ['CONFIG_NIOS2_DIS'],
'or1k' : ['CONFIG_OPENRISC_DIS'],
'ppc' : ['CONFIG_PPC_DIS'],
'riscv' : ['CONFIG_RISCV_DIS'],
'rx' : ['CONFIG_RX_DIS'],
's390' : ['CONFIG_S390_DIS'],
'sh4' : ['CONFIG_SH4_DIS'],
'sparc' : ['CONFIG_SPARC_DIS'],
'xtensa' : ['CONFIG_XTENSA_DIS'],
'loongarch' : ['CONFIG_LOONGARCH_DIS'],
}
have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
host_kconfig = \
(get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
(have_tpm ? ['CONFIG_TPM=y'] : []) + \
(pixman.found() ? ['CONFIG_PIXMAN=y'] : []) + \
(spice.found() ? ['CONFIG_SPICE=y'] : []) + \
(have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
(opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
(x11.found() ? ['CONFIG_X11=y'] : []) + \
(have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
(have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
(have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
(have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
(host_os == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
(have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
(multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
(vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : []) + \
(hv_balloon ? ['CONFIG_HV_BALLOON_POSSIBLE=y'] : [])
ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
actual_target_dirs = []
fdt_required = []
foreach target : target_dirs
config_target = { 'TARGET_NAME': target.split('-')[0] }
if target.endswith('linux-user')
if host_os != 'linux'
if default_targets
continue
endif
error('Target @0@ is only available on a Linux host'.format(target))
endif
config_target += { 'CONFIG_LINUX_USER': 'y' }
elif target.endswith('bsd-user')
if host_os not in bsd_oses
if default_targets
continue
endif
error('Target @0@ is only available on a BSD host'.format(target))
endif
config_target += { 'CONFIG_BSD_USER': 'y' }
elif target.endswith('softmmu')
config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
config_target += { 'CONFIG_SOFTMMU': 'y' }
endif
if target.endswith('-user')
config_target += {
'CONFIG_USER_ONLY': 'y',
'CONFIG_QEMU_INTERP_PREFIX':
get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
}
endif
accel_kconfig = []
foreach sym: accelerators
if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
config_target += { sym: 'y' }
config_all_accel += { sym: 'y' }
if target in modular_tcg
config_target += { 'CONFIG_TCG_MODULAR': 'y' }
else
config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
endif
accel_kconfig += [ sym + '=y' ]
endif
endforeach
if accel_kconfig.length() == 0
if default_targets
continue
endif
error('No accelerator available for target @0@'.format(target))
endif
actual_target_dirs += target
config_target += keyval.load('configs/targets' / target + '.mak')
config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
if 'TARGET_NEED_FDT' in config_target
fdt_required += target
endif
# Add default keys
if 'TARGET_BASE_ARCH' not in config_target
config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
endif
if 'TARGET_ABI_DIR' not in config_target
config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
endif
if 'TARGET_BIG_ENDIAN' not in config_target
config_target += {'TARGET_BIG_ENDIAN': 'n'}
endif
foreach k, v: disassemblers
if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
foreach sym: v
config_target += { sym: 'y' }
endforeach
endif
endforeach
config_target_data = configuration_data()
foreach k, v: config_target
if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
# do nothing
elif ignored.contains(k)
# do nothing
elif k == 'TARGET_BASE_ARCH'
# Note that TARGET_BASE_ARCH ends up in config-target.h but it is
# not used to select files from sourcesets.
config_target_data.set('TARGET_' + v.to_upper(), 1)
elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
config_target_data.set_quoted(k, v)
elif v == 'y'
config_target_data.set(k, 1)
elif v == 'n'
config_target_data.set(k, 0)
else
config_target_data.set(k, v)
endif
endforeach
config_target_data.set('QEMU_ARCH',
'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
config_target_h += {target: configure_file(output: target + '-config-target.h',
configuration: config_target_data)}
if target.endswith('-softmmu')
config_input = meson.get_external_property(target, 'default')
config_devices_mak = target + '-config-devices.mak'
config_devices_mak = configure_file(
input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
output: config_devices_mak,
depfile: config_devices_mak + '.d',
capture: true,
command: [minikconf,
get_option('default_devices') ? '--defconfig' : '--allnoconfig',
config_devices_mak, '@DEPFILE@', '@INPUT@',
host_kconfig, accel_kconfig,
'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
config_devices_data = configuration_data()
config_devices = keyval.load(config_devices_mak)
foreach k, v: config_devices
config_devices_data.set(k, 1)
endforeach
config_devices_mak_list += config_devices_mak
config_devices_h += {target: configure_file(output: target + '-config-devices.h',
configuration: config_devices_data)}
config_target += config_devices
config_all_devices += config_devices
endif
config_target_mak += {target: config_target}
endforeach
target_dirs = actual_target_dirs
target_configs_h = []
foreach target: target_dirs
target_configs_h += config_target_h[target]
target_configs_h += config_devices_h.get(target, [])
endforeach
genh += custom_target('config-poison.h',
input: [target_configs_h],
output: 'config-poison.h',
capture: true,
command: [find_program('scripts/make-config-poison.sh'),
target_configs_h])
###############
# Subprojects #
###############
libvfio_user_dep = not_found
if have_system and vfio_user_server_allowed
libvfio_user_proj = subproject('libvfio-user', required: true)
libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
endif
fdt = not_found
fdt_opt = get_option('fdt')
if fdt_required.length() > 0 or fdt_opt == 'enabled'
if fdt_opt == 'disabled'
error('fdt disabled but required by targets ' + ', '.join(fdt_required))
endif
if fdt_opt in ['enabled', 'auto', 'system']
if get_option('wrap_mode') == 'nodownload'
fdt_opt = 'system'
endif
fdt = cc.find_library('fdt', required: fdt_opt == 'system')
if fdt.found() and cc.links('''
#include <libfdt.h>
#include <libfdt_env.h>
int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
dependencies: fdt)
fdt_opt = 'system'
elif fdt_opt == 'system'
error('system libfdt requested, but it is too old (1.5.1 or newer required)')
else
fdt_opt = 'internal'
fdt = not_found
endif
endif
if not fdt.found()
assert(fdt_opt == 'internal')
libfdt_proj = subproject('dtc', required: true,
default_options: ['tools=false', 'yaml=disabled',
'python=disabled', 'default_library=static'])
fdt = libfdt_proj.get_variable('libfdt_dep')
endif
else
fdt_opt = 'disabled'
endif
config_host_data.set('CONFIG_FDT', fdt.found())
vhost_user = not_found
if host_os == 'linux' and have_vhost_user
libvhost_user = subproject('libvhost-user')
vhost_user = libvhost_user.get_variable('vhost_user_dep')
endif
libvduse = not_found
if have_libvduse
libvduse_proj = subproject('libvduse')
libvduse = libvduse_proj.get_variable('libvduse_dep')
endif
#####################
# Generated sources #
#####################
genh += configure_file(output: 'config-host.h', configuration: config_host_data)
hxtool = find_program('scripts/hxtool')
shaderinclude = find_program('scripts/shaderinclude.py')
qapi_gen = find_program('scripts/qapi-gen.py')
qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
meson.current_source_dir() / 'scripts/qapi/commands.py',
meson.current_source_dir() / 'scripts/qapi/common.py',
meson.current_source_dir() / 'scripts/qapi/error.py',
meson.current_source_dir() / 'scripts/qapi/events.py',
meson.current_source_dir() / 'scripts/qapi/expr.py',
meson.current_source_dir() / 'scripts/qapi/gen.py',
meson.current_source_dir() / 'scripts/qapi/introspect.py',
meson.current_source_dir() / 'scripts/qapi/main.py',
meson.current_source_dir() / 'scripts/qapi/parser.py',
meson.current_source_dir() / 'scripts/qapi/schema.py',
meson.current_source_dir() / 'scripts/qapi/source.py',
meson.current_source_dir() / 'scripts/qapi/types.py',
meson.current_source_dir() / 'scripts/qapi/visit.py',
meson.current_source_dir() / 'scripts/qapi-gen.py'
]
tracetool = [
python, files('scripts/tracetool.py'),
'--backend=' + ','.join(get_option('trace_backends'))
]
tracetool_depends = files(
'scripts/tracetool/backend/log.py',
'scripts/tracetool/backend/__init__.py',
'scripts/tracetool/backend/dtrace.py',
'scripts/tracetool/backend/ftrace.py',
'scripts/tracetool/backend/simple.py',
'scripts/tracetool/backend/syslog.py',
'scripts/tracetool/backend/ust.py',
'scripts/tracetool/format/ust_events_c.py',
'scripts/tracetool/format/ust_events_h.py',
'scripts/tracetool/format/__init__.py',
'scripts/tracetool/format/d.py',
'scripts/tracetool/format/simpletrace_stap.py',
'scripts/tracetool/format/c.py',
'scripts/tracetool/format/h.py',
'scripts/tracetool/format/log_stap.py',
'scripts/tracetool/format/stap.py',
'scripts/tracetool/__init__.py',
'scripts/tracetool/vcpu.py'
)
qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
meson.current_source_dir(),
get_option('pkgversion'), meson.project_version()]
qemu_version = custom_target('qemu-version.h',
output: 'qemu-version.h',
command: qemu_version_cmd,
capture: true,
build_by_default: true,
build_always_stale: true)
genh += qemu_version
hxdep = []
hx_headers = [
['qemu-options.hx', 'qemu-options.def'],
['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
]
if have_system
hx_headers += [
['hmp-commands.hx', 'hmp-commands.h'],
['hmp-commands-info.hx', 'hmp-commands-info.h'],
]
endif
foreach d : hx_headers
hxdep += custom_target(d[1],
input: files(d[0]),
output: d[1],
capture: true,
command: [hxtool, '-h', '@INPUT0@'])
endforeach
genh += hxdep
###############
# Trace files #
###############
# TODO: add each directory to the subdirs from its own meson.build, once
# we have those
trace_events_subdirs = [
'crypto',
'qapi',
'qom',
'monitor',
'util',
'gdbstub',
]
if have_linux_user
trace_events_subdirs += [ 'linux-user' ]
endif
if have_bsd_user
trace_events_subdirs += [ 'bsd-user' ]
endif
if have_block
trace_events_subdirs += [
'authz',
'block',
'io',
'nbd',
'scsi',
]
endif
if have_system
trace_events_subdirs += [
'accel/kvm',
'audio',
'backends',
'backends/tpm',
'chardev',
'ebpf',
'hw/9pfs',
'hw/acpi',
'hw/adc',
'hw/alpha',
'hw/arm',
'hw/audio',
'hw/block',
'hw/char',
'hw/display',
'hw/dma',
'hw/fsi',
'hw/hyperv',
'hw/i2c',
'hw/i386',
'hw/i386/xen',
'hw/i386/kvm',
'hw/ide',
'hw/input',
'hw/intc',
'hw/isa',
'hw/mem',
'hw/mips',
'hw/misc',
'hw/misc/macio',
'hw/net',
'hw/net/can',
'hw/nubus',
'hw/nvme',
'hw/nvram',
'hw/pci',
'hw/pci-host',
'hw/ppc',
'hw/rdma',
'hw/rdma/vmw',
'hw/rtc',
'hw/s390x',
'hw/scsi',
'hw/sd',
'hw/sh4',
'hw/sparc',
'hw/sparc64',
'hw/ssi',
'hw/timer',
'hw/tpm',
'hw/ufs',
'hw/usb',
'hw/vfio',
'hw/virtio',
'hw/watchdog',
'hw/xen',
'hw/gpio',
'migration',
'net',
'system',
'ui',
'hw/remote',
]
endif
if have_system or have_user
trace_events_subdirs += [
'accel/tcg',
'hw/core',
'target/arm',
'target/arm/hvf',
'target/hppa',
'target/i386',
'target/i386/kvm',
'target/loongarch',
'target/mips/tcg',
'target/nios2',
'target/ppc',
'target/riscv',
'target/s390x',
'target/s390x/kvm',
'target/sparc',
]
endif
###################
# Collect sources #
###################
authz_ss = ss.source_set()
blockdev_ss = ss.source_set()
block_ss = ss.source_set()
chardev_ss = ss.source_set()
common_ss = ss.source_set()
crypto_ss = ss.source_set()
hwcore_ss = ss.source_set()
io_ss = ss.source_set()
qmp_ss = ss.source_set()
qom_ss = ss.source_set()
system_ss = ss.source_set()
specific_fuzz_ss = ss.source_set()
specific_ss = ss.source_set()
stub_ss = ss.source_set()
trace_ss = ss.source_set()
user_ss = ss.source_set()
util_ss = ss.source_set()
# accel modules
qtest_module_ss = ss.source_set()
tcg_module_ss = ss.source_set()
modules = {}
target_modules = {}
hw_arch = {}
target_arch = {}
target_system_arch = {}
target_user_arch = {}
# NOTE: the trace/ subdirectory needs the qapi_trace_events variable
# that is filled in by qapi/.
subdir('qapi')
subdir('qobject')
subdir('stubs')
subdir('trace')
subdir('util')
subdir('qom')
subdir('authz')
subdir('crypto')
subdir('ui')
subdir('hw')
subdir('gdbstub')
if enable_modules
libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
endif
qom_ss = qom_ss.apply({})
libqom = static_library('qom', qom_ss.sources() + genh,
dependencies: [qom_ss.dependencies()],
name_suffix: 'fa',
build_by_default: false)
qom = declare_dependency(link_whole: libqom)
event_loop_base = files('event-loop-base.c')
event_loop_base = static_library('event-loop-base',
sources: event_loop_base + genh,
name_suffix: 'fa',
build_by_default: false)
event_loop_base = declare_dependency(link_whole: event_loop_base,
dependencies: [qom])
stub_ss = stub_ss.apply({})
util_ss.add_all(trace_ss)
util_ss = util_ss.apply({})
libqemuutil = static_library('qemuutil',
build_by_default: false,
sources: util_ss.sources() + stub_ss.sources() + genh,
dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
qemuutil = declare_dependency(link_with: libqemuutil,
sources: genh + version_res,
dependencies: [event_loop_base])
if have_system or have_user
decodetree = generator(find_program('scripts/decodetree.py'),
output: 'decode-@BASENAME@.c.inc',
arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
subdir('libdecnumber')
subdir('target')
endif
subdir('audio')
subdir('io')
subdir('chardev')
subdir('fsdev')
subdir('dump')
if have_block
block_ss.add(files(
'block.c',
'blockjob.c',
'job.c',
'qemu-io-cmds.c',
))
if config_host_data.get('CONFIG_REPLICATION')
block_ss.add(files('replication.c'))
endif
subdir('nbd')
subdir('scsi')
subdir('block')
blockdev_ss.add(files(
'blockdev.c',
'blockdev-nbd.c',
'iothread.c',
'job-qmp.c',
), gnutls)
# os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
# os-win32.c does not
if host_os == 'windows'
system_ss.add(files('os-win32.c'))
else
blockdev_ss.add(files('os-posix.c'))
endif
endif
common_ss.add(files('cpu-common.c'))
specific_ss.add(files('cpu-target.c'))
subdir('system')
# Work around a gcc bug/misfeature wherein constant propagation looks
# through an alias:
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
# to guess that a const variable is always zero. Without lto, this is
# impossible, as the alias is restricted to page-vary-common.c. Indeed,
# without lto, not even the alias is required -- we simply use different
# declarations in different compilation units.
pagevary = files('page-vary-common.c')
if get_option('b_lto')
pagevary_flags = ['-fno-lto']
if get_option('cfi')
pagevary_flags += '-fno-sanitize=cfi-icall'
endif
pagevary = static_library('page-vary-common', sources: pagevary + genh,
c_args: pagevary_flags)
pagevary = declare_dependency(link_with: pagevary)
endif
common_ss.add(pagevary)
specific_ss.add(files('page-vary-target.c'))
subdir('backends')
subdir('disas')
subdir('migration')
subdir('monitor')
subdir('net')
subdir('replay')
subdir('semihosting')
subdir('stats')
subdir('tcg')
subdir('fpu')
subdir('accel')
subdir('plugins')
subdir('ebpf')
common_user_inc = []
subdir('common-user')
subdir('bsd-user')
subdir('linux-user')
# needed for fuzzing binaries
subdir('tests/qtest/libqos')
subdir('tests/qtest/fuzz')
# accel modules
tcg_real_module_ss = ss.source_set()
tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
target_modules += { 'accel' : { 'qtest': qtest_module_ss,
'tcg': tcg_real_module_ss }}
##############################################
# Internal static_libraries and dependencies #
##############################################
modinfo_collect = find_program('scripts/modinfo-collect.py')
modinfo_generate = find_program('scripts/modinfo-generate.py')
modinfo_files = []
block_mods = []
system_mods = []
foreach d, list : modules
if not (d == 'block' ? have_block : have_system)
continue
endif
foreach m, module_ss : list
if enable_modules
module_ss = module_ss.apply(config_all_devices, strict: false)
sl = static_library(d + '-' + m, [genh, module_ss.sources()],
dependencies: [modulecommon, module_ss.dependencies()], pic: true)
if d == 'block'
block_mods += sl
else
system_mods += sl
endif
if module_ss.sources() != []
# FIXME: Should use sl.extract_all_objects(recursive: true) as
# input. Sources can be used multiple times but objects are
# unique when it comes to lookup in compile_commands.json.
# Depnds on a mesion version with
# https://github.com/mesonbuild/meson/pull/8900
modinfo_files += custom_target(d + '-' + m + '.modinfo',
output: d + '-' + m + '.modinfo',
input: module_ss.sources() + genh,
capture: true,
command: [modinfo_collect, module_ss.sources()])
endif
else
if d == 'block'
block_ss.add_all(module_ss)
else
system_ss.add_all(module_ss)
endif
endif
endforeach
endforeach
foreach d, list : target_modules
foreach m, module_ss : list
if enable_modules
foreach target : target_dirs
if target.endswith('-softmmu')
config_target = config_target_mak[target]
target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
c_args = ['-DNEED_CPU_H',
'-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
'-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
target_module_ss = module_ss.apply(config_target, strict: false)
if target_module_ss.sources() != []
module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
sl = static_library(module_name,
[genh, target_module_ss.sources()],
dependencies: [modulecommon, target_module_ss.dependencies()],
include_directories: target_inc,
c_args: c_args,
pic: true)
system_mods += sl
# FIXME: Should use sl.extract_all_objects(recursive: true) too.
modinfo_files += custom_target(module_name + '.modinfo',
output: module_name + '.modinfo',
input: target_module_ss.sources() + genh,
capture: true,
command: [modinfo_collect, '--target', target, target_module_ss.sources()])
endif
endif
endforeach
else
specific_ss.add_all(module_ss)
endif
endforeach
endforeach
if enable_modules
foreach target : target_dirs
if target.endswith('-softmmu')
config_target = config_target_mak[target]
config_devices_mak = target + '-config-devices.mak'
modinfo_src = custom_target('modinfo-' + target + '.c',
output: 'modinfo-' + target + '.c',
input: modinfo_files,
command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
capture: true)
modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
modinfo_dep = declare_dependency(link_with: modinfo_lib)
arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
hw_arch[arch].add(modinfo_dep)
endif
endforeach
endif
nm = find_program('nm')
undefsym = find_program('scripts/undefsym.py')
block_syms = custom_target('block.syms', output: 'block.syms',
input: [libqemuutil, block_mods],
capture: true,
command: [undefsym, nm, '@INPUT@'])
qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
input: [libqemuutil, system_mods],
capture: true,
command: [undefsym, nm, '@INPUT@'])
authz_ss = authz_ss.apply({})
libauthz = static_library('authz', authz_ss.sources() + genh,
dependencies: [authz_ss.dependencies()],
name_suffix: 'fa',
build_by_default: false)
authz = declare_dependency(link_whole: libauthz,
dependencies: qom)
crypto_ss = crypto_ss.apply({})
libcrypto = static_library('crypto', crypto_ss.sources() + genh,
dependencies: [crypto_ss.dependencies()],
name_suffix: 'fa',
build_by_default: false)
crypto = declare_dependency(link_whole: libcrypto,
dependencies: [authz, qom])
io_ss = io_ss.apply({})
libio = static_library('io', io_ss.sources() + genh,
dependencies: [io_ss.dependencies()],
link_with: libqemuutil,
name_suffix: 'fa',
build_by_default: false)
io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
libmigration = static_library('migration', sources: migration_files + genh,
name_suffix: 'fa',
build_by_default: false)
migration = declare_dependency(link_with: libmigration,
dependencies: [zlib, qom, io])
system_ss.add(migration)
block_ss = block_ss.apply({})
libblock = static_library('block', block_ss.sources() + genh,
dependencies: block_ss.dependencies(),
link_depends: block_syms,
name_suffix: 'fa',
build_by_default: false)
block = declare_dependency(link_whole: [libblock],
link_args: '@block.syms',
dependencies: [crypto, io])
blockdev_ss = blockdev_ss.apply({})
libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
dependencies: blockdev_ss.dependencies(),
name_suffix: 'fa',
build_by_default: false)
blockdev = declare_dependency(link_whole: [libblockdev],
dependencies: [block, event_loop_base])
qmp_ss = qmp_ss.apply({})
libqmp = static_library('qmp', qmp_ss.sources() + genh,
dependencies: qmp_ss.dependencies(),
name_suffix: 'fa',
build_by_default: false)
qmp = declare_dependency(link_whole: [libqmp])
libchardev = static_library('chardev', chardev_ss.sources() + genh,
name_suffix: 'fa',
dependencies: chardev_ss.dependencies(),
build_by_default: false)
chardev = declare_dependency(link_whole: libchardev)
hwcore_ss = hwcore_ss.apply({})
libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
name_suffix: 'fa',
build_by_default: false)
hwcore = declare_dependency(link_whole: libhwcore)
common_ss.add(hwcore)
###########
# Targets #
###########
emulator_modules = []
foreach m : block_mods + system_mods
emulator_modules += shared_module(m.name(),
build_by_default: true,
name_prefix: '',
link_whole: m,
install: true,
install_dir: qemu_moddir)
endforeach
if emulator_modules.length() > 0
alias_target('modules', emulator_modules)
endif
system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
common_ss.add(qom, qemuutil)
common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
# Note that this library is never used directly (only through extract_objects)
# and is not built by default; therefore, source files not used by the build
# configuration will be in build.ninja, but are never built by default.
common_all = static_library('common',
build_by_default: false,
sources: common_ss.all_sources() + genh,
include_directories: common_user_inc,
implicit_include_directories: false,
dependencies: common_ss.all_dependencies(),
name_suffix: 'fa')
feature_to_c = find_program('scripts/feature_to_c.py')
if host_os == 'darwin'
entitlement = find_program('scripts/entitlement.sh')
endif
traceable = []
emulators = {}
foreach target : target_dirs
config_target = config_target_mak[target]
target_name = config_target['TARGET_NAME']
target_base_arch = config_target['TARGET_BASE_ARCH']
arch_srcs = [config_target_h[target]]
arch_deps = []
c_args = ['-DNEED_CPU_H',
'-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
'-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
link_args = emulator_link_args
target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
if host_os == 'linux'
target_inc += include_directories('linux-headers', is_system: true)
endif
if target.endswith('-softmmu')
target_type='system'
t = target_system_arch[target_base_arch].apply(config_target, strict: false)
arch_srcs += t.sources()
arch_deps += t.dependencies()
hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
if hw_arch.has_key(hw_dir)
hw = hw_arch[hw_dir].apply(config_target, strict: false)
arch_srcs += hw.sources()
arch_deps += hw.dependencies()
endif
arch_srcs += config_devices_h[target]
link_args += ['@block.syms', '@qemu.syms']
else
abi = config_target['TARGET_ABI_DIR']
target_type='user'
target_inc += common_user_inc
if target_base_arch in target_user_arch
t = target_user_arch[target_base_arch].apply(config_target, strict: false)
arch_srcs += t.sources()
arch_deps += t.dependencies()
endif
if 'CONFIG_LINUX_USER' in config_target
base_dir = 'linux-user'
endif
if 'CONFIG_BSD_USER' in config_target
base_dir = 'bsd-user'
target_inc += include_directories('bsd-user/' / host_os)
target_inc += include_directories('bsd-user/host/' / host_arch)
dir = base_dir / abi
arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
endif
target_inc += include_directories(
base_dir,
base_dir / abi,
)
if 'CONFIG_LINUX_USER' in config_target
dir = base_dir / abi
arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
if config_target.has_key('TARGET_SYSTBL_ABI')
arch_srcs += \
syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
extra_args : config_target['TARGET_SYSTBL_ABI'])
endif
endif
endif
if 'TARGET_XML_FILES' in config_target
gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
output: target + '-gdbstub-xml.c',
input: files(config_target['TARGET_XML_FILES'].split()),
command: [feature_to_c, '@INPUT@'],
capture: true)
arch_srcs += gdbstub_xml
endif
t = target_arch[target_base_arch].apply(config_target, strict: false)
arch_srcs += t.sources()
arch_deps += t.dependencies()
target_common = common_ss.apply(config_target, strict: false)
objects = common_all.extract_objects(target_common.sources())
deps = target_common.dependencies()
target_specific = specific_ss.apply(config_target, strict: false)
arch_srcs += target_specific.sources()
arch_deps += target_specific.dependencies()
lib = static_library('qemu-' + target,
sources: arch_srcs + genh,
dependencies: arch_deps,
objects: objects,
include_directories: target_inc,
c_args: c_args,
build_by_default: false,
name_suffix: 'fa')
if target.endswith('-softmmu')
execs = [{
'name': 'qemu-system-' + target_name,
'win_subsystem': 'console',
'sources': files('system/main.c'),
'dependencies': []
}]
if host_os == 'windows' and (sdl.found() or gtk.found())
execs += [{
'name': 'qemu-system-' + target_name + 'w',
'win_subsystem': 'windows',
'sources': files('system/main.c'),
'dependencies': []
}]
endif
if get_option('fuzzing')
specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
execs += [{
'name': 'qemu-fuzz-' + target_name,
'win_subsystem': 'console',
'sources': specific_fuzz.sources(),
'dependencies': specific_fuzz.dependencies(),
}]
endif
else
execs = [{
'name': 'qemu-' + target_name,
'win_subsystem': 'console',
'sources': [],
'dependencies': []
}]
endif
foreach exe: execs
exe_name = exe['name']
if host_os == 'darwin'
exe_name += '-unsigned'
endif
emulator = executable(exe_name, exe['sources'],
install: true,
c_args: c_args,
dependencies: arch_deps + deps + exe['dependencies'],
objects: lib.extract_all_objects(recursive: true),
link_depends: [block_syms, qemu_syms],
link_args: link_args,
win_subsystem: exe['win_subsystem'])
if host_os == 'darwin'
icon = 'pc-bios/qemu.rsrc'
build_input = [emulator, files(icon)]
install_input = [
get_option('bindir') / exe_name,
meson.current_source_dir() / icon
]
if 'CONFIG_HVF' in config_target
entitlements = 'accel/hvf/entitlements.plist'
build_input += files(entitlements)
install_input += meson.current_source_dir() / entitlements
endif
emulators += {exe['name'] : custom_target(exe['name'],
input: build_input,
output: exe['name'],
command: [entitlement, '@OUTPUT@', '@INPUT@'])
}
meson.add_install_script(entitlement, '--install',
get_option('bindir') / exe['name'],
install_input)
else
emulators += {exe['name']: emulator}
endif
traceable += [{
'exe': exe['name'],
'probe-prefix': 'qemu.' + target_type + '.' + target_name,
}]
endforeach
endforeach
# Other build targets
if get_option('plugins')
install_headers('include/qemu/qemu-plugin.h')
if host_os == 'windows'
# On windows, we want to deliver the qemu_plugin_api.lib file in the qemu installer,
# so that plugin authors can compile against it.
install_data(win32_qemu_plugin_api_lib, install_dir: 'lib')
endif
endif
subdir('qga')
# Don't build qemu-keymap if xkbcommon is not explicitly enabled
# when we don't build tools or system
if xkbcommon.found()
# used for the update-keymaps target, so include rules even if !have_tools
qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
dependencies: [qemuutil, xkbcommon], install: have_tools)
endif
if have_tools
qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
qemu_io = executable('qemu-io', files('qemu-io.c'),
dependencies: [block, qemuutil], install: true)
qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
dependencies: [blockdev, qemuutil, gnutls, selinux],
install: true)
subdir('storage-daemon')
foreach exe: [ 'qemu-img', 'qemu-io', 'qemu-nbd', 'qemu-storage-daemon']
traceable += [{
'exe': exe,
'probe-prefix': 'qemu.' + exe.substring(5).replace('-', '_')
}]
endforeach
subdir('contrib/rdmacm-mux')
subdir('contrib/elf2dmp')
executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
dependencies: qemuutil,
install: true)
if have_vhost_user
subdir('contrib/vhost-user-blk')
subdir('contrib/vhost-user-gpu')
subdir('contrib/vhost-user-input')
subdir('contrib/vhost-user-scsi')
endif
if host_os == 'linux'
executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
dependencies: [qemuutil, libcap_ng],
install: true,
install_dir: get_option('libexecdir'))
executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
dependencies: [authz, crypto, io, qom, qemuutil,
libcap_ng, mpathpersist],
install: true)
endif
if have_ivshmem
subdir('contrib/ivshmem-client')
subdir('contrib/ivshmem-server')
endif
endif
if stap.found()
foreach t: traceable
foreach stp: [
{'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / t['exe'], 'install': false},
{'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / t['exe'], 'install': true},
{'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
{'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
]
cmd = [
tracetool, '--group=all', '--format=' + stp['fmt'],
'--binary=' + stp['bin'],
'--probe-prefix=' + t['probe-prefix'],
'@INPUT@', '@OUTPUT@'
]
custom_target(t['exe'] + stp['ext'],
input: trace_events_all,
output: t['exe'] + stp['ext'],
install: stp['install'],
install_dir: get_option('datadir') / 'systemtap/tapset',
command: cmd,
depend_files: tracetool_depends)
endforeach
endforeach
endif
subdir('scripts')
subdir('tools')
subdir('pc-bios')
subdir('docs')
subdir('tests')
if gtk.found()
subdir('po')
endif
if host_machine.system() == 'windows'
nsis_cmd = [
find_program('scripts/nsis.py'),
'@OUTPUT@',
get_option('prefix'),
meson.current_source_dir(),
glib_pc.get_variable('bindir'),
host_machine.cpu(),
'--',
'-DDISPLAYVERSION=' + meson.project_version(),
]
if build_docs
nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
endif
if gtk.found()
nsis_cmd += '-DCONFIG_GTK=y'
endif
nsis = custom_target('nsis',
output: 'qemu-setup-' + meson.project_version() + '.exe',
input: files('qemu.nsi'),
build_always_stale: true,
command: nsis_cmd + ['@INPUT@'])
alias_target('installer', nsis)
endif
#########################
# Configuration summary #
#########################
# Build environment
summary_info = {}
summary_info += {'Build directory': meson.current_build_dir()}
summary_info += {'Source path': meson.current_source_dir()}
summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
summary(summary_info, bool_yn: true, section: 'Build environment')
# Directories
summary_info += {'Install prefix': get_option('prefix')}
summary_info += {'BIOS directory': qemu_datadir}
pathsep = host_os == 'windows' ? ';' : ':'
summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
summary_info += {'module directory': qemu_moddir}
summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
if host_os != 'windows'
summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
else
summary_info += {'local state directory': 'queried at runtime'}
endif
summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
summary(summary_info, bool_yn: true, section: 'Directories')
# Host binaries
summary_info = {}
summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
summary_info += {'sphinx-build': sphinx_build}
# FIXME: the [binaries] section of machine files, which can be probed
# with find_program(), would be great for passing gdb and genisoimage
# paths from configure to Meson. However, there seems to be no way to
# hide a program (for example if gdb is too old).