configure, meson: rename targetos to host_os

This variable is about the host OS, not the target.  It is used a lot
more since the Meson conversion, but the original sin dates back to 2003.
Time to fix it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 103 insertions, 103 deletions

diff --git a/meson.build b/meson.build
index 754c469ec9..44bc5bf0c0 100644
--- a/meson.build
+++ b/meson.build
@@ -18,7 +18,7 @@ keyval = import('keyval')
 ss = import('sourceset')
 fs = import('fs')
 
-targetos = host_machine.system()
+host_os = host_machine.system()
 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
 
 # Temporary directory used for files created while
@@ -61,11 +61,11 @@ python = import('python').find_installation()
 
 cc = meson.get_compiler('c')
 all_languages = ['c']
-if targetos == 'windows' and add_languages('cpp', required: false, native: false)
+if host_os == 'windows' and add_languages('cpp', required: false, native: false)
   all_languages += ['cpp']
   cxx = meson.get_compiler('cpp')
 endif
-if targetos == 'darwin' and \
+if host_os == 'darwin' and \
    add_languages('objc', required: get_option('cocoa'), native: false)
   all_languages += ['objc']
   objc = meson.get_compiler('objc')
@@ -120,7 +120,7 @@ if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
 endif
 
 # Tracing backends
-if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
+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('''
@@ -135,30 +135,30 @@ endif
 
 # Miscellaneous Linux-only features
 get_option('mpath') \
-  .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
+  .require(host_os == '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') \
+  .require(host_os == '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') \
+  .require(host_os == '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') \
+  .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(targetos != 'linux') \
-  .require(targetos != 'windows',
+  .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(targetos == 'linux',
+  .require(host_os == 'linux',
            error_message: 'vhost-vdpa is only available on Linux').allowed()
 have_vhost_kernel = get_option('vhost_kernel') \
-  .require(targetos == 'linux',
+  .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,
@@ -187,13 +187,13 @@ have_tools = get_option('tools') \
   .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'],
+  .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(targetos != 'windows',
+  .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') \
@@ -260,7 +260,7 @@ endif
 
 modular_tcg = []
 # Darwin does not support references to thread-local variables in modules
-if targetos != 'darwin'
+if host_os != 'darwin'
   modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
 endif
 
@@ -300,18 +300,18 @@ qemu_common_flags = [
 qemu_cflags = []
 qemu_ldflags = []
 
-if targetos == 'darwin'
+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 targetos == 'sunos'
+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 targetos == 'haiku'
+elif host_os == 'haiku'
   qemu_common_flags += ['-DB_USE_POSITIVE_POSIX_ERRORS', '-D_BSD_SOURCE', '-fPIC']
 endif
 
@@ -395,10 +395,10 @@ ucontext_probe = '''
 # For POSIX prefer ucontext, but it's not always possible. The fallback
 # is sigcontext.
 supported_backends = []
-if targetos == 'windows'
+if host_os == 'windows'
   supported_backends += ['windows']
 else
-  if targetos != 'darwin' and cc.links(ucontext_probe)
+  if host_os != 'darwin' and cc.links(ucontext_probe)
     supported_backends += ['ucontext']
   endif
   supported_backends += ['sigaltstack']
@@ -469,13 +469,13 @@ endif
 # 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'
+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
 
 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
-if targetos != 'sunos' and not get_option('tsan')
+if host_os != 'sunos' and not get_option('tsan')
   qemu_ldflags += cc.get_supported_link_arguments('-Wl,--warn-common')
 endif
 
@@ -585,7 +585,7 @@ warn_flags = [
   '-Wshadow=local',
 ]
 
-if targetos != 'darwin'
+if host_os != 'darwin'
   warn_flags += ['-Wthread-safety']
 endif
 
@@ -605,7 +605,7 @@ 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 targetos == 'linux'
+if host_os == 'linux'
   add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
                         '-isystem', 'linux-headers',
                         language: all_languages)
@@ -652,7 +652,7 @@ midl = not_found
 widl = not_found
 pathcch = not_found
 host_dsosuf = '.so'
-if targetos == 'windows'
+if host_os == 'windows'
   midl = find_program('midl', required: false)
   widl = find_program('widl', required: false)
   pathcch = cc.find_library('pathcch')
@@ -664,19 +664,19 @@ if targetos == 'windows'
                                       depend_files: files('pc-bios/qemu-nsis.ico'),
                                       include_directories: include_directories('.'))
   host_dsosuf = '.dll'
-elif targetos == 'darwin'
+elif host_os == 'darwin'
   coref = dependency('appleframeworks', modules: 'CoreFoundation')
   iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
   host_dsosuf = '.dylib'
-elif targetos == 'sunos'
+elif host_os == 'sunos'
   socket = [cc.find_library('socket'),
             cc.find_library('nsl'),
             cc.find_library('resolv')]
-elif targetos == 'haiku'
+elif host_os == 'haiku'
   socket = [cc.find_library('posix_error_mapper'),
             cc.find_library('network'),
             cc.find_library('bsd')]
-elif targetos == 'openbsd'
+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')
@@ -688,10 +688,10 @@ endif
 ###############################################
 
 accelerators = []
-if get_option('kvm').allowed() and targetos == 'linux'
+if get_option('kvm').allowed() and host_os == 'linux'
   accelerators += 'CONFIG_KVM'
 endif
-if get_option('whpx').allowed() and targetos == 'windows'
+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 \
@@ -710,7 +710,7 @@ if get_option('hvf').allowed()
 endif
 
 nvmm = not_found
-if targetos == 'netbsd'
+if host_os == 'netbsd'
   nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
   if nvmm.found()
     accelerators += 'CONFIG_NVMM'
@@ -830,7 +830,7 @@ endif
 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
   .require(xen.found(),
            error_message: 'Xen PCI passthrough requested but Xen not enabled') \
-  .require(targetos == 'linux',
+  .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') \
@@ -858,7 +858,7 @@ 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 targetos == 'windows' and get_option('prefer_static')
+if host_os == 'windows' and get_option('prefer_static')
   glib_cflags += ['-DGLIB_STATIC_COMPILATION']
 endif
 
@@ -1119,12 +1119,12 @@ if vde.found() and not cc.links('''
 endif
 
 pulse = not_found
-if not get_option('pa').auto() or (targetos == 'linux' and have_system)
+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 (targetos == 'linux' and have_system)
+if not get_option('alsa').auto() or (host_os == 'linux' and have_system)
   alsa = dependency('alsa', required: get_option('alsa'),
                     method: 'pkg-config')
 endif
@@ -1134,7 +1134,7 @@ if not get_option('jack').auto() or have_system
                     method: 'pkg-config')
 endif
 pipewire = not_found
-if not get_option('pipewire').auto() or (targetos == 'linux' and have_system)
+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')
@@ -1179,7 +1179,7 @@ if not get_option('zstd').auto() or have_block
 endif
 virgl = not_found
 
-have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.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',
@@ -1204,7 +1204,7 @@ if not get_option('curl').auto() or have_block
                     required: get_option('curl'))
 endif
 libudev = not_found
-if targetos == 'linux' and (have_system or have_tools)
+if host_os == 'linux' and (have_system or have_tools)
   libudev = dependency('libudev',
                        method: 'pkg-config',
                        required: get_option('libudev'))
@@ -1212,7 +1212,7 @@ endif
 
 mpathlibs = [libudev]
 mpathpersist = not_found
-if targetos == 'linux' and have_tools and get_option('mpath').allowed()
+if host_os == 'linux' and have_tools and get_option('mpath').allowed()
   mpath_test_source = '''
     #include <libudev.h>
     #include <mpath_persist.h>
@@ -1283,7 +1283,7 @@ if have_system and get_option('curses').allowed()
       return 0;
     }'''
 
-  curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
+  curses_dep_list = host_os == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
   curses = dependency(curses_dep_list,
                       required: false,
                       method: 'pkg-config')
@@ -1300,13 +1300,13 @@ if have_system and get_option('curses').allowed()
   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
+    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 = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
+      curses_libname_list = (host_os == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
       foreach curses_libname : curses_libname_list
         libcurses = cc.find_library(curses_libname,
                                     required: false)
@@ -1529,7 +1529,7 @@ oss = not_found
 if get_option('oss').allowed() and have_system
   if not cc.has_header('sys/soundcard.h')
     # not found
-  elif targetos == 'netbsd'
+  elif host_os == 'netbsd'
     oss = cc.find_library('ossaudio', required: get_option('oss'))
   else
     oss = declare_dependency()
@@ -1542,7 +1542,7 @@ if get_option('oss').allowed() and have_system
   endif
 endif
 dsound = not_found
-if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
+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
@@ -1555,7 +1555,7 @@ if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
 endif
 
 coreaudio = not_found
-if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
+if not get_option('coreaudio').auto() or (host_os == 'darwin' and have_system)
   coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
                          required: get_option('coreaudio'))
 endif
@@ -1910,7 +1910,7 @@ has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_
 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(targetos == 'linux',
+  .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') \
@@ -1938,18 +1938,18 @@ if get_option('fuse_lseek').allowed()
   endif
 endif
 
-have_libvduse = (targetos == 'linux')
+have_libvduse = (host_os == 'linux')
 if get_option('libvduse').enabled()
-    if targetos != 'linux'
+    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 targetos == 'linux')
+have_vduse_blk_export = (have_libvduse and host_os == 'linux')
 if get_option('vduse_blk_export').enabled()
-    if targetos != 'linux'
+    if host_os != 'linux'
         error('vduse_blk_export requires linux')
     elif not have_libvduse
         error('vduse_blk_export requires libvduse support')
@@ -2017,7 +2017,7 @@ if have_system
   # Default to native drivers first, OSS second, SDL third
   audio_drivers_priority = \
     [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
-    (targetos == 'linux' ? [] : [ 'sdl' ])
+    (host_os == 'linux' ? [] : [ 'sdl' ])
   audio_drivers_default = []
   foreach k: audio_drivers_priority
     if audio_drivers_available[k]
@@ -2038,7 +2038,7 @@ endif
 config_host_data.set('CONFIG_AUDIO_DRIVERS',
                      '"' + '", "'.join(audio_drivers_selected) + '", ')
 
-have_host_block_device = (targetos != 'darwin' or
+have_host_block_device = (host_os != 'darwin' or
     cc.has_header('IOKit/storage/IOMedia.h'))
 
 dbus_display = get_option('dbus_display') \
@@ -2049,17 +2049,17 @@ dbus_display = get_option('dbus_display') \
   .allowed()
 
 have_virtfs = get_option('virtfs') \
-    .require(targetos == 'linux' or targetos == 'darwin',
+    .require(host_os == 'linux' or host_os == 'darwin',
              error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
-    .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
+    .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(targetos == 'darwin' or libattr.found(),
+    .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(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
+    .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') \
@@ -2114,12 +2114,12 @@ if enable_modules
 endif
 
 have_slirp_smbd = get_option('slirp_smbd') \
-  .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
+  .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 = (targetos == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
+    smbd_path = (host_os == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
   endif
   config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
 endif
@@ -2127,7 +2127,7 @@ endif
 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
 
 kvm_targets_c = '""'
-if get_option('kvm').allowed() and targetos == 'linux'
+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)
@@ -2140,16 +2140,16 @@ 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', targetos in bsd_oses)
+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', targetos == 'darwin')
+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', targetos == 'linux')
-config_host_data.set('CONFIG_POSIX', targetos != 'windows')
-config_host_data.set('CONFIG_WIN32', targetos == 'windows')
+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())
@@ -2207,7 +2207,7 @@ 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', targetos == 'sunos')
+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')
@@ -2308,7 +2308,7 @@ 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 targetos == 'windows'
+if host_os == 'windows'
   config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
 endif
 
@@ -2690,7 +2690,7 @@ config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
   int main(void) { return 0; }'''))
 
 have_keyring = get_option('keyring') \
-  .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
+  .require(host_os == 'linux', error_message: 'keyring is only available on Linux') \
   .require(cc.compiles('''
     #include <errno.h>
     #include <asm/unistd.h>
@@ -2799,9 +2799,9 @@ endif
 
 if get_option('membarrier').disabled()
   have_membarrier = false
-elif targetos == 'windows'
+elif host_os == 'windows'
   have_membarrier = true
-elif targetos == 'linux'
+elif host_os == 'linux'
   have_membarrier = cc.compiles('''
     #include <linux/membarrier.h>
     #include <sys/syscall.h>
@@ -2838,7 +2838,7 @@ config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
 
 have_vss = false
 have_vss_sdk = false # old xp/2003 SDK
-if targetos == 'windows' and 'cpp' in all_languages
+if host_os == 'windows' and 'cpp' in all_languages
   have_vss = cxx.compiles('''
     #define __MIDL_user_allocate_free_DEFINED__
     #include <vss.h>
@@ -2849,7 +2849,7 @@ 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 targetos == 'windows'
+if host_os == 'windows'
   config_host_data.set('HAVE__LOCK_FILE', cc.links('''
     #include <stdio.h>
     int main(void) {
@@ -2859,7 +2859,7 @@ if targetos == 'windows'
     }''', name: '_lock_file and _unlock_file'))
 endif
 
-if targetos == 'windows'
+if host_os == 'windows'
   mingw_has_setjmp_longjmp = cc.links('''
     #include <setjmp.h>
     int main(void) {
@@ -2929,7 +2929,7 @@ host_kconfig = \
   (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
   (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
-  (targetos == 'linux' ? ['CONFIG_LINUX=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'] : []) + \
@@ -2943,7 +2943,7 @@ fdt_required = []
 foreach target : target_dirs
   config_target = { 'TARGET_NAME': target.split('-')[0] }
   if target.endswith('linux-user')
-    if targetos != 'linux'
+    if host_os != 'linux'
       if default_targets
         continue
       endif
@@ -2951,7 +2951,7 @@ foreach target : target_dirs
     endif
     config_target += { 'CONFIG_LINUX_USER': 'y' }
   elif target.endswith('bsd-user')
-    if targetos not in bsd_oses
+    if host_os not in bsd_oses
       if default_targets
         continue
       endif
@@ -3132,7 +3132,7 @@ endif
 config_host_data.set('CONFIG_FDT', fdt.found())
 
 vhost_user = not_found
-if targetos == 'linux' and have_vhost_user
+if host_os == 'linux' and have_vhost_user
   libvhost_user = subproject('libvhost-user')
   vhost_user = libvhost_user.get_variable('vhost_user_dep')
 endif
@@ -3456,7 +3456,7 @@ if have_block
 
   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
   # os-win32.c does not
-  if targetos == 'windows'
+  if host_os == 'windows'
     system_ss.add(files('os-win32.c'))
   else
     blockdev_ss.add(files('os-posix.c'))
@@ -3744,7 +3744,7 @@ common_all = static_library('common',
 
 feature_to_c = find_program('scripts/feature_to_c.py')
 
-if targetos == 'darwin'
+if host_os == 'darwin'
   entitlement = find_program('scripts/entitlement.sh')
 endif
 
@@ -3761,7 +3761,7 @@ foreach target : target_dirs
   link_args = emulator_link_args
 
   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
-  if targetos == 'linux'
+  if host_os == 'linux'
     target_inc += include_directories('linux-headers', is_system: true)
   endif
   if target.endswith('-softmmu')
@@ -3791,7 +3791,7 @@ foreach target : target_dirs
     endif
     if 'CONFIG_BSD_USER' in config_target
       base_dir = 'bsd-user'
-      target_inc += include_directories('bsd-user/' / targetos)
+      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')
@@ -3848,7 +3848,7 @@ foreach target : target_dirs
       'sources': files('system/main.c'),
       'dependencies': []
     }]
-    if targetos == 'windows' and (sdl.found() or gtk.found())
+    if host_os == 'windows' and (sdl.found() or gtk.found())
       execs += [{
         'name': 'qemu-system-' + target_name + 'w',
         'win_subsystem': 'windows',
@@ -3875,7 +3875,7 @@ foreach target : target_dirs
   endif
   foreach exe: execs
     exe_name = exe['name']
-    if targetos == 'darwin'
+    if host_os == 'darwin'
       exe_name += '-unsigned'
     endif
 
@@ -3888,7 +3888,7 @@ foreach target : target_dirs
                link_args: link_args,
                win_subsystem: exe['win_subsystem'])
 
-    if targetos == 'darwin'
+    if host_os == 'darwin'
       icon = 'pc-bios/qemu.rsrc'
       build_input = [emulator, files(icon)]
       install_input = [
@@ -3944,7 +3944,7 @@ endforeach
 
 if get_option('plugins')
   install_headers('include/qemu/qemu-plugin.h')
-  if targetos == 'windows'
+  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')
@@ -3985,7 +3985,7 @@ if have_tools
     subdir('contrib/vhost-user-scsi')
   endif
 
-  if targetos == 'linux'
+  if host_os == 'linux'
     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
                dependencies: [qemuutil, libcap_ng],
                install: true,
@@ -4052,7 +4052,7 @@ summary(summary_info, bool_yn: true, section: 'Build environment')
 # Directories
 summary_info += {'Install prefix':    get_option('prefix')}
 summary_info += {'BIOS directory':    qemu_datadir}
-pathsep = targetos == 'windows' ? ';' : ':'
+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')}
@@ -4060,7 +4060,7 @@ 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 targetos != 'windows'
+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
@@ -4083,7 +4083,7 @@ if config_host.has_key('GDB')
 endif
 summary_info += {'iasl':              iasl}
 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
-if targetos == 'windows' and have_ga
+if host_os == 'windows' and have_ga
   summary_info += {'wixl':            wixl}
 endif
 if slirp.found() and have_system
@@ -4181,7 +4181,7 @@ if get_option('cfi')
 endif
 summary_info += {'strip binaries':    get_option('strip')}
 summary_info += {'sparse':            sparse}
-summary_info += {'mingw32 support':   targetos == 'windows'}
+summary_info += {'mingw32 support':   host_os == 'windows'}
 summary(summary_info, bool_yn: true, section: 'Compilation')
 
 # snarf the cross-compilation information for tests
@@ -4280,7 +4280,7 @@ summary(summary_info, bool_yn: true, section: 'Crypto')
 
 # UI
 summary_info = {}
-if targetos == 'darwin'
+if host_os == 'darwin'
   summary_info += {'Cocoa support':           cocoa}
 endif
 summary_info += {'SDL support':       sdl}
@@ -4304,15 +4304,15 @@ summary(summary_info, bool_yn: true, section: 'User interface')
 
 # Audio backends
 summary_info = {}
-if targetos not in ['darwin', 'haiku', 'windows']
+if host_os not in ['darwin', 'haiku', 'windows']
   summary_info += {'OSS support':     oss}
   summary_info += {'sndio support':   sndio}
-elif targetos == 'darwin'
+elif host_os == 'darwin'
   summary_info += {'CoreAudio support': coreaudio}
-elif targetos == 'windows'
+elif host_os == 'windows'
   summary_info += {'DirectSound support': dsound}
 endif
-if targetos == 'linux'
+if host_os == 'linux'
   summary_info += {'ALSA support':    alsa}
   summary_info += {'PulseAudio support': pulse}
 endif
@@ -4322,7 +4322,7 @@ summary(summary_info, bool_yn: true, section: 'Audio backends')
 
 # Network backends
 summary_info = {}
-if targetos == 'darwin'
+if host_os == 'darwin'
   summary_info += {'vmnet.framework support': vmnet}
 endif
 summary_info += {'AF_XDP support':    libxdp}
@@ -4359,7 +4359,7 @@ summary_info += {'OpenGL support (epoxy)': opengl}
 summary_info += {'GBM':               gbm}
 summary_info += {'libiscsi support':  libiscsi}
 summary_info += {'libnfs support':    libnfs}
-if targetos == 'windows'
+if host_os == 'windows'
   if have_ga
     summary_info += {'QGA VSS support':   have_qga_vss}
   endif
@@ -4401,20 +4401,20 @@ if host_arch == 'unknown'
   endif
 endif
 
-if not supported_oses.contains(targetos)
+if not supported_oses.contains(host_os)
   message()
   warning('UNSUPPORTED HOST OS')
   message()
-  message('Support for host OS ' + targetos + 'is not currently maintained.')
+  message('Support for host OS ' + host_os + 'is not currently maintained.')
   message('configure has succeeded and you can continue to build, but')
   message('the QEMU project does not guarantee that QEMU will compile or')
   message('work on this operating system. You can help by volunteering')
   message('to maintain it and providing a build host for our continuous')
   message('integration setup. This will ensure that future versions of QEMU')
-  message('will keep working on ' + targetos + '.')
+  message('will keep working on ' + host_os + '.')
 endif
 
-if host_arch == 'unknown' or not supported_oses.contains(targetos)
+if host_arch == 'unknown' or not supported_oses.contains(host_os)
   message()
   message('If you want to help supporting QEMU on this platform, please')
   message('contact the developers at qemu-devel@nongnu.org.')
@@ -4428,8 +4428,8 @@ if get_option('relocatable') and \
   warning('bindir not included within prefix, the installation will not be relocatable.')
   actually_reloc = false
 endif
-if not actually_reloc and (targetos == 'windows' or get_option('relocatable'))
-  if targetos == 'windows'
+if not actually_reloc and (host_os == 'windows' or get_option('relocatable'))
+  if host_os == 'windows'
     message()
     warning('Windows installs should usually be relocatable.')
   endif