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meson.build
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project('qemu', ['c'], meson_version: '>=0.61.3',
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'))
not_found = dependency('', required: false)
keyval = import('keyval')
ss = import('sourceset')
fs = import('fs')
targetos = host_machine.system()
sh = find_program('sh')
config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
enable_modules = 'CONFIG_MODULES' in config_host
enable_static = 'CONFIG_STATIC' in config_host
# Allow both shared and static libraries unless --enable-static
static_kwargs = enable_static ? {'static': true} : {}
cc = meson.get_compiler('c')
all_languages = ['c']
if add_languages('cpp', required: false, native: false)
all_languages += ['cpp']
cxx = meson.get_compiler('cpp')
endif
if targetos == 'darwin' and \
add_languages('objc', required: get_option('cocoa'), native: false)
all_languages += ['objc']
objc = meson.get_compiler('objc')
endif
# 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'
config_host_data = configuration_data()
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', 'riscv', 'x86', 'x86_64',
'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
cpu = host_machine.cpu_family()
# Unify riscv* to a single family.
if cpu in ['riscv32', 'riscv64']
cpu = 'riscv'
endif
target_dirs = config_host['TARGET_DIRS'].split()
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(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
error_message: 'unsupported OS for QEMU guest agent') \
.allowed()
have_block = have_system or have_tools
python = import('python').find_installation()
if cpu not in supported_cpus
host_arch = 'unknown'
elif cpu == 'x86'
host_arch = 'i386'
elif cpu == 'mips64'
host_arch = 'mips'
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 ['riscv']
kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
else
kvm_targets = []
endif
kvm_targets_c = '""'
if get_option('kvm').allowed() and targetos == 'linux'
kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
endif
config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
accelerator_targets = { 'CONFIG_KVM': kvm_targets }
if cpu in ['aarch64']
accelerator_targets += {
'CONFIG_HVF': ['aarch64-softmmu']
}
endif
if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
# i386 emulator provides xenpv machine type for multiple architectures
accelerator_targets += {
'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
}
endif
if cpu in ['x86', 'x86_64']
accelerator_targets += {
'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
'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 targetos != 'darwin'
modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
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
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
##################
# Compiler flags #
##################
qemu_cflags = config_host['QEMU_CFLAGS'].split()
qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split()
qemu_ldflags = config_host['QEMU_LDFLAGS'].split()
if enable_static
qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
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 targetos == '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('gprof')
qemu_cflags += ['-p']
qemu_objcflags += ['-p']
qemu_ldflags += ['-p']
endif
# Specify linker-script with add_project_link_arguments so that it is not placed
# within a linker --start-group/--end-group pair
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'] )
add_global_arguments('-fsanitize-coverage-allowlist=instrumentation-filter',
native: false, language: all_languages)
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.
add_global_arguments('-fsanitize=fuzzer-no-link',
native: false, language: all_languages)
add_global_link_arguments('-fsanitize=fuzzer-no-link',
native: false, language: all_languages)
# 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
# Check that the C++ compiler exists and works with the C compiler.
link_language = 'c'
linker = cc
qemu_cxxflags = []
if 'cpp' in all_languages
add_global_arguments(['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'],
native: false, language: 'cpp')
foreach k: qemu_cflags
if k not in ['-Wstrict-prototypes', '-Wmissing-prototypes', '-Wnested-externs',
'-Wold-style-declaration', '-Wold-style-definition', '-Wredundant-decls']
qemu_cxxflags += [k]
endif
endforeach
if cxx.links(files('scripts/main.c'), args: qemu_cflags)
link_language = 'cpp'
linker = cxx
else
message('C++ compiler does not work with C compiler')
message('Disabling C++-specific optional code')
endif
endif
# Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
if targetos != 'sunos' and not config_host.has_key('CONFIG_TSAN')
qemu_ldflags += linker.get_supported_link_arguments('-Wl,--warn-common')
endif
add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
add_global_arguments(qemu_cflags, native: false, language: 'c')
add_global_arguments(qemu_cxxflags, native: false, language: 'cpp')
add_global_arguments(qemu_objcflags, native: false, language: 'objc')
if targetos == '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)
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
###########################################
# Target-specific checks and dependencies #
###########################################
# 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 targetos != '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(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
multiprocess_allowed = get_option('multiprocess') \
.require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
.allowed()
vfio_user_server_allowed = get_option('vfio_user_server') \
.require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
.allowed()
have_tpm = get_option('tpm') \
.require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
.allowed()
# vhost
have_vhost_user = get_option('vhost_user') \
.disable_auto_if(targetos != 'linux') \
.require(targetos != 'windows',
error_message: 'vhost-user is not available on Windows').allowed()
have_vhost_vdpa = get_option('vhost_vdpa') \
.require(targetos == 'linux',
error_message: 'vhost-vdpa is only available on Linux').allowed()
have_vhost_kernel = get_option('vhost_kernel') \
.require(targetos == '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
# Target-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 = []
nvmm =not_found
hvf = not_found
midl = not_found
widl = not_found
pathcch = not_found
host_dsosuf = '.so'
if targetos == '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 targetos == 'darwin'
coref = dependency('appleframeworks', modules: 'CoreFoundation')
iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
host_dsosuf = '.dylib'
elif targetos == 'sunos'
socket = [cc.find_library('socket'),
cc.find_library('nsl'),
cc.find_library('resolv')]
elif targetos == 'haiku'
socket = [cc.find_library('posix_error_mapper'),
cc.find_library('network'),
cc.find_library('bsd')]
elif targetos == '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
# Target-specific configuration of accelerators
accelerators = []
if get_option('kvm').allowed() and targetos == 'linux'
accelerators += 'CONFIG_KVM'
endif
if get_option('whpx').allowed() and targetos == '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
if get_option('hvf').allowed()
hvf = dependency('appleframeworks', modules: 'Hypervisor',
required: get_option('hvf'))
if hvf.found()
accelerators += 'CONFIG_HVF'
endif
endif
if get_option('hax').allowed()
if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
accelerators += 'CONFIG_HAX'
endif
endif
if targetos == '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 get_option('tcg_interpreter')
warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
else
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'
config_host += { 'CONFIG_TCG_INTERPRETER': 'y' }
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'
config_host += { 'CONFIG_TCG': 'y' }
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
################
# Dependencies #
################
# The path to glib.h is added to all compilation commands. This was
# grandfathered in from the QEMU Makefiles.
add_project_arguments(config_host['GLIB_CFLAGS'].split(),
native: false, language: all_languages)
glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
link_args: config_host['GLIB_LIBS'].split(),
version: config_host['GLIB_VERSION'],
variables: {
'bindir': config_host['GLIB_BINDIR'],
})
# override glib dep with the configure results (for subprojects)
meson.override_dependency('glib-2.0', glib)
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', kwargs: static_kwargs)
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', kwargs: static_kwargs)
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
lttng = not_found
if 'ust' in get_option('trace_backends')
lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
method: 'pkg-config', kwargs: static_kwargs)
endif
pixman = not_found
if have_system or have_tools
pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
method: 'pkg-config', kwargs: static_kwargs)
endif
zlib = dependency('zlib', required: true, kwargs: static_kwargs)
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'),
kwargs: static_kwargs)
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', kwargs: static_kwargs)
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', kwargs: static_kwargs)
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'),
kwargs: static_kwargs)
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', kwargs: static_kwargs)
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'),
kwargs: static_kwargs)
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', kwargs: static_kwargs)
endif
slirp = not_found
if not get_option('slirp').auto() or have_system
slirp = dependency('slirp', required: get_option('slirp'),
method: 'pkg-config', kwargs: static_kwargs)
# 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'),
kwargs: static_kwargs)
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 (targetos == 'linux' and have_system)
pulse = dependency('libpulse', required: get_option('pa'),
method: 'pkg-config', kwargs: static_kwargs)
endif
alsa = not_found
if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
alsa = dependency('alsa', required: get_option('alsa'),
method: 'pkg-config', kwargs: static_kwargs)
endif
jack = not_found
if not get_option('jack').auto() or have_system
jack = dependency('jack', required: get_option('jack'),
method: 'pkg-config', kwargs: static_kwargs)
endif
sndio = not_found
if not get_option('sndio').auto() or have_system
sndio = dependency('sndio', required: get_option('sndio'),
method: 'pkg-config', kwargs: static_kwargs)
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', kwargs: static_kwargs)
endif
spice = not_found
if not get_option('spice').auto() or have_system
spice = dependency('spice-server', version: '>=0.14.0',
required: get_option('spice'),
method: 'pkg-config', kwargs: static_kwargs)
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', kwargs: static_kwargs)
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', kwargs: static_kwargs)
endif
virgl = not_found
have_vhost_user_gpu = have_tools and targetos == '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'),
kwargs: static_kwargs)
endif
blkio = not_found
if not get_option('blkio').auto() or have_block
blkio = dependency('blkio',
method: 'pkg-config',
required: get_option('blkio'),
kwargs: static_kwargs)
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'),
kwargs: static_kwargs)
endif
libudev = not_found
if targetos == 'linux' and (have_system or have_tools)
libudev = dependency('libudev',
method: 'pkg-config',
required: get_option('libudev'),
kwargs: static_kwargs)
endif
mpathlibs = [libudev]
mpathpersist = not_found
mpathpersist_new_api = false
if targetos == 'linux' and have_tools and get_option('mpath').allowed()
mpath_test_source_new = '''
#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;
}'''
mpath_test_source_old = '''
#include <libudev.h>
#include <mpath_persist.h>
unsigned mpath_mx_alloc_len = 1024;
int logsink;
int main(void) {
struct udev *udev = udev_new();
mpath_lib_init(udev);
return 0;
}'''
libmpathpersist = cc.find_library('mpathpersist',
required: get_option('mpath'),
kwargs: static_kwargs)
if libmpathpersist.found()
mpathlibs += libmpathpersist
if enable_static
mpathlibs += cc.find_library('devmapper',
required: get_option('mpath'),
kwargs: static_kwargs)
endif
mpathlibs += cc.find_library('multipath',
required: get_option('mpath'),
kwargs: static_kwargs)
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_new, dependencies: mpathlibs)
mpathpersist = declare_dependency(dependencies: mpathlibs)
mpathpersist_new_api = true
elif cc.links(mpath_test_source_old, 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 = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
curses = dependency(curses_dep_list,
required: false,
method: 'pkg-config',
kwargs: static_kwargs)
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])
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 targetos != '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 = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
foreach curses_libname : curses_libname_list
libcurses = cc.find_library(curses_libname,
required: false,
kwargs: static_kwargs)
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: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
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'),
kwargs: static_kwargs)
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'), kwargs: static_kwargs)
sdl_image = not_found
endif
if sdl.found()
# work around 2.0.8 bug
sdl = declare_dependency(compile_args: '-Wno-undef',
dependencies: sdl)
sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
method: 'pkg-config', kwargs: static_kwargs)
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