meson: convert backends directory to Meson

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Makefile.objs

@@ -66,8 +66,6 @@ common-obj-$(if $(and $(CONFIG_BZIP2),$(CONFIG_DMG)),m) += block-dmg-bz2$(DSOSUF
 common-obj-y += hw/
 common-obj-m += hw/
 
-common-obj-y += backends/
-
 common-obj-y += qapi/
 
 common-obj-y += libqmp.fa

backends/Makefile.objs

@@ -1,23 +0,0 @@
-common-obj-y += rng.o rng-egd.o rng-builtin.o
-common-obj-$(CONFIG_POSIX) += rng-random.o
-
-common-obj-$(CONFIG_TPM) += tpm/
-
-common-obj-y += hostmem.o hostmem-ram.o
-common-obj-$(CONFIG_POSIX) += hostmem-file.o
-
-common-obj-y += cryptodev.o
-common-obj-y += cryptodev-builtin.o
-
-ifeq ($(CONFIG_VIRTIO_CRYPTO),y)
-common-obj-y += cryptodev-vhost.o
-common-obj-$(CONFIG_VHOST_CRYPTO) += cryptodev-vhost-user.o
-endif
-
-common-obj-$(call land,$(CONFIG_VHOST_USER),$(CONFIG_VIRTIO)) += vhost-user.o
-
-common-obj-$(CONFIG_LINUX) += hostmem-memfd.o
-
-common-obj-$(CONFIG_GIO) += dbus-vmstate.o
-dbus-vmstate.o-cflags = $(GIO_CFLAGS)
-dbus-vmstate.o-libs = $(GIO_LIBS)

backends/meson.build

@@ -0,0 +1,19 @@
+softmmu_ss.add([files(
+  'cryptodev-builtin.c',
+  'cryptodev.c',
+  'hostmem-ram.c',
+  'hostmem.c',
+  'rng-builtin.c',
+  'rng-egd.c',
+  'rng.c',
+), numa])
+
+softmmu_ss.add(when: 'CONFIG_POSIX', if_true: files('rng-random.c'))
+softmmu_ss.add(when: 'CONFIG_POSIX', if_true: files('hostmem-file.c'))
+softmmu_ss.add(when: 'CONFIG_LINUX', if_true: files('hostmem-memfd.c'))
+softmmu_ss.add(when: ['CONFIG_VHOST_USER', 'CONFIG_VIRTIO'], if_true: files('vhost-user.c'))
+softmmu_ss.add(when: 'CONFIG_VIRTIO_CRYPTO', if_true: files('cryptodev-vhost.c'))
+softmmu_ss.add(when: ['CONFIG_VIRTIO_CRYPTO', 'CONFIG_VHOST_CRYPTO'], if_true: files('cryptodev-vhost-user.c'))
+softmmu_ss.add(when: 'CONFIG_GIO', if_true: [files('dbus-vmstate.c'), gio])
+
+subdir('tpm')

backends/tpm/Makefile.objs

@@ -1,4 +0,0 @@
-common-obj-y += tpm_backend.o
-common-obj-y += tpm_util.o
-common-obj-$(CONFIG_TPM_PASSTHROUGH) += tpm_passthrough.o
-common-obj-$(CONFIG_TPM_EMULATOR) += tpm_emulator.o

backends/tpm/meson.build

@@ -0,0 +1,8 @@
+tpm_ss = ss.source_set()
+
+tpm_ss.add(files('tpm_backend.c'))
+tpm_ss.add(files('tpm_util.c'))
+tpm_ss.add(when: 'CONFIG_TPM_PASSTHROUGH', if_true: files('tpm_passthrough.c'))
+tpm_ss.add(when: 'CONFIG_TPM_EMULATOR', if_true: files('tpm_emulator.c'))
+
+softmmu_ss.add_all(when: 'CONFIG_TPM', if_true: tpm_ss)

configure

@@ -4741,6 +4741,7 @@ EOF
   if compile_prog "" "-lnuma" ; then
     numa=yes
     libs_softmmu="-lnuma $libs_softmmu"
+    numa_libs="-lnuma"
   else
     if test "$numa" = "yes" ; then
       feature_not_found "numa" "install numactl devel"
@@ -8367,6 +8368,7 @@ fi
 
 if test "$numa" = "yes"; then
   echo "CONFIG_NUMA=y" >> $config_host_mak
+  echo "NUMA_LIBS=$numa_libs" >> $config_host_mak
 fi
 
 if test "$ccache_cpp2" = "yes"; then

meson.build

@@ -321,6 +321,10 @@ 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
 
 create_config = find_program('scripts/create_config')
 minikconf = find_program('scripts/minikconf.py')
@@ -668,6 +672,7 @@ softmmu_ss.add(when: ['CONFIG_FDT', fdt],  if_true: [files('device_tree.c')])
 common_ss.add(files('cpus-common.c'))
 
 subdir('softmmu')
+subdir('backends')
 subdir('migration')
 subdir('monitor')
 subdir('net')