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meson.build
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project('qemu', ['c'], meson_version: '>=0.55.0',
default_options: ['warning_level=1', 'c_std=gnu99', 'cpp_std=gnu++11', 'b_colorout=auto'] +
(meson.version().version_compare('>=0.56.0') ? [ 'b_staticpic=false' ] : []),
version: run_command('head', meson.source_root() / 'VERSION').stdout().strip())
not_found = dependency('', required: false)
if meson.version().version_compare('>=0.56.0')
keyval = import('keyval')
else
keyval = import('unstable-keyval')
endif
ss = import('sourceset')
fs = import('fs')
sh = find_program('sh')
cc = meson.get_compiler('c')
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
# 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 = []
target_dirs = config_host['TARGET_DIRS'].split()
have_user = false
have_system = false
foreach target : target_dirs
have_user = have_user or target.endswith('-user')
have_system = have_system or target.endswith('-softmmu')
endforeach
have_tools = 'CONFIG_TOOLS' in config_host
have_block = have_system or have_tools
python = import('python').find_installation()
supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv32', 'riscv64', 'x86', 'x86_64',
'arm', 'aarch64', 'mips', 'mips64', 'sparc', 'sparc64']
cpu = host_machine.cpu_family()
targetos = host_machine.system()
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']
else
kvm_targets = []
endif
accelerator_targets = { 'CONFIG_KVM': kvm_targets }
if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
# i368 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_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
}
endif
##################
# Compiler flags #
##################
# Specify linker-script with add_project_link_arguments so that it is not placed
# within a linker --start-group/--end-group pair
if 'CONFIG_FUZZ' in config_host
add_project_link_arguments(['-Wl,-T,',
(meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
native: false, language: ['c', 'cpp', 'objc'])
endif
add_project_arguments(config_host['QEMU_CFLAGS'].split(),
native: false, language: ['c', 'objc'])
add_project_arguments(config_host['QEMU_CXXFLAGS'].split(),
native: false, language: 'cpp')
add_project_link_arguments(config_host['QEMU_LDFLAGS'].split(),
native: false, language: ['c', 'cpp', 'objc'])
if targetos == 'linux'
add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
'-isystem', 'linux-headers',
language: ['c', 'cpp'])
endif
if 'CONFIG_TCG_INTERPRETER' in config_host
tcg_arch = 'tci'
elif config_host['ARCH'] == 'sparc64'
tcg_arch = 'sparc'
elif config_host['ARCH'] == 's390x'
tcg_arch = 's390'
elif config_host['ARCH'] in ['x86_64', 'x32']
tcg_arch = 'i386'
elif config_host['ARCH'] == 'ppc64'
tcg_arch = 'ppc'
elif config_host['ARCH'] in ['riscv32', 'riscv64']
tcg_arch = 'riscv'
else
tcg_arch = config_host['ARCH']
endif
add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
'-iquote', '.',
'-iquote', meson.current_source_dir(),
'-iquote', meson.current_source_dir() / 'accel/tcg',
'-iquote', meson.current_source_dir() / 'include',
'-iquote', meson.current_source_dir() / 'disas/libvixl',
language: ['c', 'cpp', 'objc'])
link_language = meson.get_external_property('link_language', 'cpp')
if link_language == 'cpp'
add_languages('cpp', required: true, native: false)
endif
if host_machine.system() == 'darwin'
add_languages('objc', required: false, native: false)
endif
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 #
###########################################
if targetos != 'linux' and get_option('mpath').enabled()
error('Multipath is supported only on Linux')
endif
m = cc.find_library('m', required: false)
util = cc.find_library('util', required: false)
winmm = []
socket = []
version_res = []
coref = []
iokit = []
emulator_link_args = []
hvf = not_found
if targetos == 'windows'
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('.'))
elif targetos == 'darwin'
coref = dependency('appleframeworks', modules: 'CoreFoundation')
iokit = dependency('appleframeworks', modules: 'IOKit')
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 not get_option('tcg').disabled() and target_dirs.length() > 0
# Disable OpenBSD W^X if available
emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
endif
endif
accelerators = []
if not get_option('kvm').disabled() and targetos == 'linux'
accelerators += 'CONFIG_KVM'
endif
if not get_option('xen').disabled() and 'CONFIG_XEN_BACKEND' in config_host
accelerators += 'CONFIG_XEN'
have_xen_pci_passthrough = not get_option('xen_pci_passthrough').disabled() and targetos == 'linux'
else
have_xen_pci_passthrough = false
endif
if not get_option('whpx').disabled() 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 not get_option('hvf').disabled()
hvf = dependency('appleframeworks', modules: 'Hypervisor',
required: get_option('hvf'))
if hvf.found()
accelerators += 'CONFIG_HVF'
endif
endif
if not get_option('hax').disabled()
if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
accelerators += 'CONFIG_HAX'
endif
endif
if not get_option('tcg').disabled()
if cpu not in supported_cpus
if 'CONFIG_TCG_INTERPRETER' in config_host
warning('Unsupported CPU @0@, will use TCG with TCI (experimental)'.format(cpu))
else
error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
endif
endif
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_WHPX' not in accelerators and get_option('whpx').enabled()
error('WHPX not available on this platform')
endif
if not have_xen_pci_passthrough and get_option('xen_pci_passthrough').enabled()
if 'CONFIG_XEN' in accelerators
error('Xen PCI passthrough not available on this platform')
else
error('Xen PCI passthrough requested but Xen not enabled')
endif
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: ['c', 'cpp', 'objc'])
glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
link_args: config_host['GLIB_LIBS'].split())
# override glib dep with the configure results (for subprojects)
meson.override_dependency('glib-2.0', glib)
gio = not_found
if 'CONFIG_GIO' in config_host
gio = declare_dependency(compile_args: config_host['GIO_CFLAGS'].split(),
link_args: config_host['GIO_LIBS'].split())
endif
lttng = not_found
if 'CONFIG_TRACE_UST' in config_host
lttng = declare_dependency(link_args: config_host['LTTNG_UST_LIBS'].split())
endif
urcubp = not_found
if 'CONFIG_TRACE_UST' in config_host
urcubp = declare_dependency(link_args: config_host['URCU_BP_LIBS'].split())
endif
gcrypt = not_found
if 'CONFIG_GCRYPT' in config_host
gcrypt = declare_dependency(compile_args: config_host['GCRYPT_CFLAGS'].split(),
link_args: config_host['GCRYPT_LIBS'].split())
endif
nettle = not_found
if 'CONFIG_NETTLE' in config_host
nettle = declare_dependency(compile_args: config_host['NETTLE_CFLAGS'].split(),
link_args: config_host['NETTLE_LIBS'].split())
endif
gnutls = not_found
if 'CONFIG_GNUTLS' in config_host
gnutls = declare_dependency(compile_args: config_host['GNUTLS_CFLAGS'].split(),
link_args: config_host['GNUTLS_LIBS'].split())
endif
pixman = not_found
if have_system or have_tools
pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
method: 'pkg-config', static: enable_static)
endif
pam = not_found
if 'CONFIG_AUTH_PAM' in config_host
pam = cc.find_library('pam')
endif
libaio = cc.find_library('aio', required: false)
zlib = dependency('zlib', required: true, static: enable_static)
linux_io_uring = not_found
if 'CONFIG_LINUX_IO_URING' in config_host
linux_io_uring = declare_dependency(compile_args: config_host['LINUX_IO_URING_CFLAGS'].split(),
link_args: config_host['LINUX_IO_URING_LIBS'].split())
endif
libxml2 = not_found
if 'CONFIG_LIBXML2' in config_host
libxml2 = declare_dependency(compile_args: config_host['LIBXML2_CFLAGS'].split(),
link_args: config_host['LIBXML2_LIBS'].split())
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', static: enable_static)
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 not get_option('attr').disabled()
if cc.links(libattr_test)
libattr = declare_dependency()
else
libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
required: get_option('attr'),
static: enable_static)
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', required: get_option('cocoa'))
if cocoa.found() and get_option('sdl').enabled()
error('Cocoa and SDL cannot be enabled at the same time')
endif
if cocoa.found() and get_option('gtk').enabled()
error('Cocoa and GTK+ cannot be enabled at the same time')
endif
seccomp = not_found
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', static: enable_static)
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'),
static: enable_static)
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', static: enable_static)
endif
vde = not_found
if config_host.has_key('CONFIG_VDE')
vde = declare_dependency(link_args: config_host['VDE_LIBS'].split())
endif
pulse = not_found
if 'CONFIG_LIBPULSE' in config_host
pulse = declare_dependency(compile_args: config_host['PULSE_CFLAGS'].split(),
link_args: config_host['PULSE_LIBS'].split())
endif
alsa = not_found
if 'CONFIG_ALSA' in config_host
alsa = declare_dependency(compile_args: config_host['ALSA_CFLAGS'].split(),
link_args: config_host['ALSA_LIBS'].split())
endif
jack = not_found
if 'CONFIG_LIBJACK' in config_host
jack = declare_dependency(link_args: config_host['JACK_LIBS'].split())
endif
spice = not_found
spice_headers = not_found
if 'CONFIG_SPICE' in config_host
spice = declare_dependency(compile_args: config_host['SPICE_CFLAGS'].split(),
link_args: config_host['SPICE_LIBS'].split())
spice_headers = declare_dependency(compile_args: config_host['SPICE_CFLAGS'].split())
endif
rt = cc.find_library('rt', required: false)
libdl = not_found
if 'CONFIG_PLUGIN' in config_host
libdl = cc.find_library('dl', required: true)
endif
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', static: enable_static)
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', static: enable_static)
endif
gbm = not_found
if 'CONFIG_GBM' in config_host
gbm = declare_dependency(compile_args: config_host['GBM_CFLAGS'].split(),
link_args: config_host['GBM_LIBS'].split())
endif
virgl = not_found
if 'CONFIG_VIRGL' in config_host
virgl = declare_dependency(compile_args: config_host['VIRGL_CFLAGS'].split(),
link_args: config_host['VIRGL_LIBS'].split())
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'),
static: enable_static)
endif
libudev = not_found
if targetos == 'linux' and (have_system or have_tools)
libudev = dependency('libudev',
method: 'pkg-config',
required: get_option('libudev'),
static: enable_static)
endif
mpathlibs = [libudev]
mpathpersist = not_found
mpathpersist_new_api = false
if targetos == 'linux' and have_tools and not get_option('mpath').disabled()
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'),
static: enable_static)
if libmpathpersist.found()
mpathlibs += libmpathpersist
if enable_static
mpathlibs += cc.find_library('devmapper',
required: get_option('mpath'),
static: enable_static)
endif
mpathlibs += cc.find_library('multipath',
required: get_option('mpath'),
static: enable_static)
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 not get_option('curses').disabled()
curses_test = '''
#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']
foreach curses_dep : curses_dep_list
if not curses.found()
curses = dependency(curses_dep,
required: false,
method: 'pkg-config',
static: enable_static)
endif
endforeach
msg = get_option('curses').enabled() ? 'curses library not found' : ''
curses_compile_args = ['-DNCURSES_WIDECHAR']
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,
static: enable_static)
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 not get_option('iconv').disabled()
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'),
static: enable_static)
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 and not cocoa.found())
sdl = dependency('sdl2', required: get_option('sdl'), static: enable_static)
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', static: enable_static)
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'),
static: enable_static)
librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
required: get_option('rbd'),
static: enable_static)
if librados.found() and librbd.found() and cc.links('''
#include <stdio.h>
#include <rbd/librbd.h>
int main(void) {
rados_t cluster;
rados_create(&cluster, NULL);
return 0;
}''', dependencies: [librbd, librados])
rbd = declare_dependency(dependencies: [librbd, librados])
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', static: enable_static)
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
libssh = not_found
if 'CONFIG_LIBSSH' in config_host
libssh = declare_dependency(compile_args: config_host['LIBSSH_CFLAGS'].split(),
link_args: config_host['LIBSSH_LIBS'].split())
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'),
static: enable_static)
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'),
static: enable_static)
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 'CONFIG_AUDIO_OSS' in config_host
oss = declare_dependency(link_args: config_host['OSS_LIBS'].split())
endif
dsound = not_found
if 'CONFIG_AUDIO_DSOUND' in config_host
dsound = declare_dependency(link_args: config_host['DSOUND_LIBS'].split())
endif
coreaudio = not_found
if 'CONFIG_AUDIO_COREAUDIO' in config_host
coreaudio = declare_dependency(link_args: config_host['COREAUDIO_LIBS'].split())
endif
opengl = not_found
if 'CONFIG_OPENGL' in config_host
opengl = declare_dependency(compile_args: config_host['OPENGL_CFLAGS'].split(),
link_args: config_host['OPENGL_LIBS'].split())
endif
gtk = not_found
gtkx11 = not_found
if not get_option('gtk').auto() or (have_system and not cocoa.found())
gtk = dependency('gtk+-3.0', version: '>=3.22.0',
method: 'pkg-config',
required: get_option('gtk'),
static: enable_static)
if gtk.found()
gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
method: 'pkg-config',
required: false,
static: enable_static)
gtk = declare_dependency(dependencies: [gtk, gtkx11])
endif
endif
vte = not_found
if 'CONFIG_VTE' in config_host
vte = declare_dependency(compile_args: config_host['VTE_CFLAGS'].split(),
link_args: config_host['VTE_LIBS'].split())
endif
x11 = not_found
if gtkx11.found() or 'lm32-softmmu' in target_dirs
x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
static: enable_static)
endif
vnc = not_found
png = not_found
jpeg = not_found
sasl = not_found
if get_option('vnc').enabled()
vnc = declare_dependency() # dummy dependency
png = dependency('libpng', required: get_option('vnc_png'),
method: 'pkg-config', static: enable_static)
jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
method: 'pkg-config', static: enable_static)
sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
required: get_option('vnc_sasl'),
static: enable_static)
if sasl.found()
sasl = declare_dependency(dependencies: sasl,
compile_args: '-DSTRUCT_IOVEC_DEFINED')
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'),
static: enable_static)
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'),
static: enable_static)
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
rdma = not_found
if 'CONFIG_RDMA' in config_host
rdma = declare_dependency(link_args: config_host['RDMA_LIBS'].split())
endif
numa = not_found
if 'CONFIG_NUMA' in config_host
numa = declare_dependency(link_args: config_host['NUMA_LIBS'].split())
endif
xen = not_found
if 'CONFIG_XEN_BACKEND' in config_host
xen = declare_dependency(compile_args: config_host['XEN_CFLAGS'].split(),
link_args: config_host['XEN_LIBS'].split())
endif
cacard = not_found
if 'CONFIG_SMARTCARD' in config_host
cacard = declare_dependency(compile_args: config_host['SMARTCARD_CFLAGS'].split(),
link_args: config_host['SMARTCARD_LIBS'].split())
endif
u2f = not_found
if have_system
u2f = dependency('u2f-emu', required: get_option('u2f'),
method: 'pkg-config',
static: enable_static)
endif
usbredir = not_found
if 'CONFIG_USB_REDIR' in config_host
usbredir = declare_dependency(compile_args: config_host['USB_REDIR_CFLAGS'].split(),
link_args: config_host['USB_REDIR_LIBS'].split())
endif
libusb = not_found
if 'CONFIG_USB_LIBUSB' in config_host
libusb = declare_dependency(compile_args: config_host['LIBUSB_CFLAGS'].split(),
link_args: config_host['LIBUSB_LIBS'].split())
endif
libpmem = not_found
if 'CONFIG_LIBPMEM' in config_host
libpmem = declare_dependency(compile_args: config_host['LIBPMEM_CFLAGS'].split(),
link_args: config_host['LIBPMEM_LIBS'].split())
endif
libdaxctl = not_found
if 'CONFIG_LIBDAXCTL' in config_host
libdaxctl = declare_dependency(link_args: config_host['LIBDAXCTL_LIBS'].split())
endif
tasn1 = not_found
if 'CONFIG_TASN1' in config_host
tasn1 = declare_dependency(compile_args: config_host['TASN1_CFLAGS'].split(),
link_args: config_host['TASN1_LIBS'].split())
endif
keyutils = dependency('libkeyutils', required: false,
method: 'pkg-config', static: enable_static)
has_gettid = cc.has_function('gettid')
# Malloc tests
malloc = []
if get_option('malloc') == 'system'
has_malloc_trim = \
not get_option('malloc_trim').disabled() and \
cc.links('''#include <malloc.h>
int main(void) { malloc_trim(0); return 0; }''')
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
# Check whether the glibc provides statx()
statx_test = '''
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <sys/stat.h>
int main(void) {
struct statx statxbuf;
statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
return 0;
}'''
has_statx = cc.links(statx_test)
have_vhost_user_blk_server = (targetos == 'linux' and
'CONFIG_VHOST_USER' in config_host)
if get_option('vhost_user_blk_server').enabled()
if targetos != 'linux'
error('vhost_user_blk_server requires linux')
elif 'CONFIG_VHOST_USER' not in config_host
error('vhost_user_blk_server requires vhost-user support')
endif
elif get_option('vhost_user_blk_server').disabled() or not have_system
have_vhost_user_blk_server = false
endif
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',
static: enable_static)
fuse_lseek = not_found
if not get_option('fuse_lseek').disabled()
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
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 config_host.has_key('CONFIG_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'