meson: convert migration directory to Meson

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

migration/meson.build

@@ -0,0 +1,40 @@
+# Files needed by unit tests
+migration_files = files(
+  'page_cache.c',
+  'xbzrle.c',
+  'vmstate-types.c',
+  'vmstate.c',
+  'qemu-file-channel.c',
+  'qemu-file.c',
+  'qjson.c',
+)
+
+libmigration = static_library('migration', sources: migration_files + genh,
+                              name_suffix: 'fa',
+                              build_by_default: false)
+migration = declare_dependency(link_with: libmigration,
+                               dependencies: [zlib, qom, io])
+softmmu_ss.add(migration)
+
+softmmu_ss.add(files(
+  'block-dirty-bitmap.c',
+  'channel.c',
+  'colo-failover.c',
+  'colo.c',
+  'exec.c',
+  'fd.c',
+  'global_state.c',
+  'migration.c',
+  'multifd.c',
+  'multifd-zlib.c',
+  'postcopy-ram.c',
+  'savevm.c',
+  'socket.c',
+  'tls.c',
+))
+
+softmmu_ss.add(when: ['CONFIG_RDMA', rdma], if_true: files('rdma.c'))
+softmmu_ss.add(when: 'CONFIG_LIVE_BLOCK_MIGRATION', if_true: files('block.c'))
+softmmu_ss.add(when: 'CONFIG_ZSTD', if_true: [files('multifd-zstd.c'), zstd])
+
+specific_ss.add(when: 'CONFIG_SOFTMMU', if_true: files('ram.c'))