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>

accel/tcg/meson.build

@@ -17,7 +17,7 @@ if get_option('plugins')
   tcg_ss.add(files('plugin-gen.c'))
 endif
 tcg_ss.add(when: libdw, if_true: files('debuginfo.c'))
-if targetos == 'linux'
+if host_os == 'linux'
   tcg_ss.add(files('perf.c'))
 endif
 specific_ss.add_all(when: 'CONFIG_TCG', if_true: tcg_ss)

backends/meson.build

@@ -10,11 +10,11 @@ system_ss.add([files(
   'confidential-guest-support.c',
 ), numa])
 
-if targetos != 'windows'
+if host_os != 'windows'
   system_ss.add(files('rng-random.c'))
   system_ss.add(files('hostmem-file.c'))
 endif
-if targetos == 'linux'
+if host_os == 'linux'
   system_ss.add(files('hostmem-memfd.c'))
 endif
 if keyutils.found()

block/meson.build

@@ -88,13 +88,13 @@ if get_option('parallels').allowed()
   block_ss.add(files('parallels.c', 'parallels-ext.c'))
 endif
 
-if targetos == 'windows'
+if host_os == 'windows'
   block_ss.add(files('file-win32.c', 'win32-aio.c'))
 else
   block_ss.add(files('file-posix.c'), coref, iokit)
 endif
 block_ss.add(when: libiscsi, if_true: files('iscsi-opts.c'))
-if targetos == 'linux'
+if host_os == 'linux'
   block_ss.add(files('nvme.c'))
 endif
 if get_option('replication').allowed()

bsd-user/meson.build

@@ -24,6 +24,6 @@ kvm = cc.find_library('kvm', required: true)
 bsd_user_ss.add(elf, procstat, kvm)
 
 # Pull in the OS-specific build glue, if any
-subdir(targetos)
+subdir(host_os)
 
 specific_ss.add_all(when: 'CONFIG_BSD_USER', if_true: bsd_user_ss)

chardev/meson.build

@@ -12,7 +12,7 @@ chardev_ss.add(files(
   'char-udp.c',
   'char.c',
 ))
-if targetos == 'windows'
+if host_os == 'windows'
   chardev_ss.add(files(
     'char-console.c',
     'char-win-stdio.c',
@@ -23,7 +23,7 @@ else
       'char-fd.c',
       'char-pty.c',
     ), util)
-  if targetos in ['linux', 'gnu/kfreebsd', 'freebsd', 'dragonfly']
+  if host_os in ['linux', 'gnu/kfreebsd', 'freebsd', 'dragonfly']
     chardev_ss.add(files('char-parallel.c'))
   endif
 endif

configure

@@ -334,30 +334,30 @@ EOF
 }
 
 if check_define __linux__ ; then
-  targetos=linux
+  host_os=linux
 elif check_define _WIN32 ; then
-  targetos=windows
+  host_os=windows
 elif check_define __OpenBSD__ ; then
-  targetos=openbsd
+  host_os=openbsd
 elif check_define __sun__ ; then
-  targetos=sunos
+  host_os=sunos
 elif check_define __HAIKU__ ; then
-  targetos=haiku
+  host_os=haiku
 elif check_define __FreeBSD__ ; then
-  targetos=freebsd
+  host_os=freebsd
 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
-  targetos=gnu/kfreebsd
+  host_os=gnu/kfreebsd
 elif check_define __DragonFly__ ; then
-  targetos=dragonfly
+  host_os=dragonfly
 elif check_define __NetBSD__; then
-  targetos=netbsd
+  host_os=netbsd
 elif check_define __APPLE__; then
-  targetos=darwin
+  host_os=darwin
 else
   # This is a fatal error, but don't report it yet, because we
   # might be going to just print the --help text, or it might
   # be the result of a missing compiler.
-  targetos=bogus
+  host_os=bogus
 fi
 
 if test ! -z "$cpu" ; then
@@ -573,13 +573,13 @@ do
     fi
 done
 
-if test "$targetos" = "windows" ; then
+if test "$host_os" = "windows" ; then
   EXESUF=".exe"
 fi
 
 meson_option_build_array() {
   printf '['
-  (if test "$targetos" = windows; then
+  (if test "$host_os" = windows; then
     IFS=\;
   else
     IFS=:
@@ -802,7 +802,7 @@ mak_wilds=""
 
 if [ -n "$host_arch" ] && [ -d "$source_path/common-user/host/$host_arch" ]; then
     if [ "$linux_user" != no ]; then
-        if [ "$targetos" = linux ]; then
+        if [ "$host_os" = linux ]; then
             linux_user=yes
         elif [ "$linux_user" = yes ]; then
             error_exit "linux-user not supported on this architecture"
@@ -813,9 +813,9 @@ if [ -n "$host_arch" ] && [ -d "$source_path/common-user/host/$host_arch" ]; the
     fi
     if [ "$bsd_user" != no ]; then
         if [ "$bsd_user" = "" ]; then
-            test $targetos = freebsd && bsd_user=yes
+            test $host_os = freebsd && bsd_user=yes
         fi
-        if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then
+        if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$host_os" ]; then
             error_exit "bsd-user not supported on this host OS"
         fi
         if [ "$bsd_user" = "yes" ]; then
@@ -998,7 +998,7 @@ if test -z "$ninja"; then
     fi
 fi
 
-if test "$targetos" = "bogus"; then
+if test "$host_os" = "bogus"; then
     # Now that we know that we're not printing the help and that
     # the compiler works (so the results of the check_defines we used
     # to identify the OS are reliable), if we didn't recognize the
@@ -1007,7 +1007,7 @@ if test "$targetos" = "bogus"; then
 fi
 
 # test for any invalid configuration combinations
-if test "$targetos" = "windows" && ! has "$dlltool"; then
+if test "$host_os" = "windows" && ! has "$dlltool"; then
   if test "$plugins" = "yes"; then
     error_exit "TCG plugins requires dlltool to build on Windows platforms"
   fi
@@ -1041,7 +1041,7 @@ static THREAD int tls_var;
 int main(void) { return tls_var; }
 EOF
 
-if test "$targetos" = windows || test "$targetos" = haiku; then
+if test "$host_os" = windows || test "$host_os" = haiku; then
   if test "$pie" = "yes"; then
     error_exit "PIE not available due to missing OS support"
   fi
@@ -1541,8 +1541,8 @@ echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
 
 # Mac OS X ships with a broken assembler
 if have_target i386-softmmu x86_64-softmmu && \
-        test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
-        test "$targetos" != "haiku" && \
+        test "$host_os" != "darwin" && test "$host_os" != "sunos" && \
+        test "$host_os" != "haiku" && \
         probe_target_compiler i386-softmmu; then
     subdirs="$subdirs pc-bios/optionrom"
     config_mak=pc-bios/optionrom/config.mak
@@ -1606,7 +1606,7 @@ echo "NINJA=$ninja" >> $config_host_mak
 echo "EXESUF=$EXESUF" >> $config_host_mak
 
 # use included Linux headers for KVM architectures
-if test "$targetos" = "linux" && test -n "$linux_arch"; then
+if test "$host_os" = "linux" && test -n "$linux_arch"; then
   symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
 fi
 
@@ -1629,13 +1629,13 @@ echo "SRC_PATH=$source_path/contrib/plugins" >> contrib/plugins/$config_host_mak
 echo "PKG_CONFIG=${pkg_config}" >> contrib/plugins/$config_host_mak
 echo "CC=$cc $CPU_CFLAGS" >> contrib/plugins/$config_host_mak
 echo "CFLAGS=${CFLAGS-$default_cflags} $EXTRA_CFLAGS" >> contrib/plugins/$config_host_mak
-if test "$targetos" = windows; then
+if test "$host_os" = windows; then
   echo "DLLTOOL=$dlltool" >> contrib/plugins/$config_host_mak
 fi
-if test "$targetos" = darwin; then
+if test "$host_os" = darwin; then
   echo "CONFIG_DARWIN=y" >> contrib/plugins/$config_host_mak
 fi
-if test "$targetos" = windows; then
+if test "$host_os" = windows; then
   echo "CONFIG_WIN32=y" >> contrib/plugins/$config_host_mak
 fi
 
@@ -1715,7 +1715,7 @@ if test "$skip_meson" = no; then
   echo "# environment defaults, can still be overridden on " >> $cross
   echo "# the command line" >> $cross
   if test -e "$source_path/.git" && \
-      { test "$targetos" = linux || test "$targetos" = "windows"; }; then
+      { test "$host_os" = linux || test "$host_os" = "windows"; }; then
       echo 'werror = true' >> $cross
   fi
   echo "[project options]" >> $cross
@@ -1752,7 +1752,7 @@ if test "$skip_meson" = no; then
   echo "windmc = [$(meson_quote $windmc)]" >> $cross
   if test "$cross_compile" = "yes"; then
     echo "[host_machine]" >> $cross
-    echo "system = '$targetos'" >> $cross
+    echo "system = '$host_os'" >> $cross
     case "$cpu" in
         i386)
             echo "cpu_family = 'x86'" >> $cross
@@ -1778,8 +1778,8 @@ if test "$skip_meson" = no; then
   fi
   mv $cross config-meson.cross
   meson_add_machine_file config-meson.cross
-  if test -f "$source_path/configs/meson/$targetos.txt"; then
-    meson_add_machine_file $source_path/configs/meson/$targetos.txt
+  if test -f "$source_path/configs/meson/$host_os.txt"; then
+    meson_add_machine_file $source_path/configs/meson/$host_os.txt
   fi
 
   rm -rf meson-private meson-info meson-logs

contrib/ivshmem-client/meson.build

@@ -1,4 +1,4 @@
 executable('ivshmem-client', files('ivshmem-client.c', 'main.c'), genh,
            dependencies: glib,
-           build_by_default: targetos == 'linux',
+           build_by_default: host_os == 'linux',
            install: false)

contrib/ivshmem-server/meson.build

@@ -1,4 +1,4 @@
 executable('ivshmem-server', files('ivshmem-server.c', 'main.c'), genh,
            dependencies: [qemuutil, rt],
-           build_by_default: targetos == 'linux',
+           build_by_default: host_os == 'linux',
            install: false)

contrib/vhost-user-blk/meson.build

@@ -1,4 +1,4 @@
 executable('vhost-user-blk', files('vhost-user-blk.c'),
            dependencies: [qemuutil, vhost_user],
-           build_by_default: targetos == 'linux',
+           build_by_default: host_os == 'linux',
            install: false)

contrib/vhost-user-input/meson.build

@@ -1,4 +1,4 @@
 executable('vhost-user-input', files('main.c'),
            dependencies: [qemuutil, vhost_user],
-           build_by_default: targetos == 'linux',
+           build_by_default: host_os == 'linux',
            install: false)

contrib/vhost-user-scsi/meson.build

@@ -1,6 +1,6 @@
 if libiscsi.found()
   executable('vhost-user-scsi', files('vhost-user-scsi.c'),
              dependencies: [qemuutil, libiscsi, vhost_user],
-             build_by_default: targetos == 'linux',
+             build_by_default: host_os == 'linux',
              install: false)
 endif

docs/devel/kconfig.rst

@@ -316,6 +316,6 @@ variable::
 
     host_kconfig = \
       (have_tpm ? ['CONFIG_TPM=y'] : []) + \
-      (targetos == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
+      (host_os == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
       (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
       ...

fsdev/meson.build

@@ -5,7 +5,7 @@ fsdev_ss.add(when: ['CONFIG_FSDEV_9P'], if_true: files(
   '9p-marshal.c',
   'qemu-fsdev.c',
 ), if_false: files('qemu-fsdev-dummy.c'))
-if targetos in ['linux', 'darwin']
+if host_os in ['linux', 'darwin']
   system_ss.add_all(fsdev_ss)
 endif
 

hw/9pfs/meson.build

@@ -13,9 +13,9 @@ fs_ss.add(files(
   'coth.c',
   'coxattr.c',
 ))
-if targetos == 'darwin'
+if host_os == 'darwin'
   fs_ss.add(files('9p-util-darwin.c'))
-elif targetos == 'linux'
+elif host_os == 'linux'
   fs_ss.add(files('9p-util-linux.c'))
 endif
 fs_ss.add(when: 'CONFIG_XEN_BUS', if_true: files('xen-9p-backend.c'))

hw/display/meson.build

@@ -69,7 +69,7 @@ if config_all_devices.has_key('CONFIG_VIRTIO_GPU')
   virtio_gpu_ss = ss.source_set()
   virtio_gpu_ss.add(when: 'CONFIG_VIRTIO_GPU',
                     if_true: [files('virtio-gpu-base.c', 'virtio-gpu.c'), pixman])
-  if targetos == 'linux'
+  if host_os == 'linux'
     virtio_gpu_ss.add(files('virtio-gpu-udmabuf.c'))
   else
     virtio_gpu_ss.add(files('virtio-gpu-udmabuf-stubs.c'))

hw/ppc/meson.build

@@ -34,7 +34,7 @@ ppc_ss.add(when: ['CONFIG_PSERIES', 'CONFIG_TCG'], if_true: files(
   'spapr_softmmu.c',
 ))
 ppc_ss.add(when: 'CONFIG_SPAPR_RNG', if_true: files('spapr_rng.c'))
-if targetos == 'linux'
+if host_os == 'linux'
   ppc_ss.add(when: 'CONFIG_PSERIES', if_true: files(
     'spapr_pci_vfio.c',
   ))

hw/usb/meson.build

@@ -44,7 +44,7 @@ system_ss.add(when: 'CONFIG_USB_STORAGE_UAS', if_true: files('dev-uas.c'))
 system_ss.add(when: 'CONFIG_USB_AUDIO', if_true: files('dev-audio.c'))
 system_ss.add(when: 'CONFIG_USB_SERIAL', if_true: files('dev-serial.c'))
 system_ss.add(when: 'CONFIG_USB_NETWORK', if_true: files('dev-network.c'))
-if targetos != 'windows'
+if host_os != 'windows'
   system_ss.add(when: 'CONFIG_USB_STORAGE_MTP', if_true: files('dev-mtp.c'))
 endif
 
@@ -60,7 +60,7 @@ endif
 
 # U2F
 system_ss.add(when: 'CONFIG_USB_U2F', if_true: files('u2f.c'))
-if targetos == 'linux'
+if host_os == 'linux'
   system_ss.add(when: 'CONFIG_USB_U2F', if_true: [libudev, files('u2f-passthru.c')])
 endif
 if u2f.found()

net/can/meson.build

@@ -1,6 +1,6 @@
 can_ss = ss.source_set()
 can_ss.add(files('can_core.c', 'can_host.c'))
-if targetos == 'linux'
+if host_os == 'linux'
   can_ss.add(files('can_socketcan.c'))
 endif
 

net/meson.build

@@ -43,13 +43,13 @@ if have_vhost_net_user
   system_ss.add(when: 'CONFIG_VIRTIO_NET', if_true: files('vhost-user.c'), if_false: files('vhost-user-stub.c'))
 endif
 
-if targetos == 'windows'
+if host_os == 'windows'
   system_ss.add(files('tap-win32.c'))
-elif targetos == 'linux'
+elif host_os == 'linux'
   system_ss.add(files('tap.c', 'tap-linux.c'))
-elif targetos in bsd_oses
+elif host_os in bsd_oses
   system_ss.add(files('tap.c', 'tap-bsd.c'))
-elif targetos == 'sunos'
+elif host_os == 'sunos'
   system_ss.add(files('tap.c', 'tap-solaris.c'))
 else
   system_ss.add(files('tap.c', 'tap-stub.c'))