meson: convert qom directory to Meson (tools part)

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

Makefile

@@ -248,7 +248,6 @@ dummy := $(call unnest-vars,, \
                 storage-daemon-obj-y \
                 storage-daemon-obj-m \
                 crypto-obj-y \
-                qom-obj-y \
                 io-obj-y \
                 common-obj-y \
                 common-obj-m)
@@ -269,6 +268,7 @@ $(SOFTMMU_ALL_RULES): $(storage-daemon-obj-y)
 $(SOFTMMU_ALL_RULES): $(chardev-obj-y)
 $(SOFTMMU_ALL_RULES): $(crypto-obj-y)
 $(SOFTMMU_ALL_RULES): $(io-obj-y)
+$(SOFTMMU_ALL_RULES): $(qom-obj-y)
 $(SOFTMMU_ALL_RULES): config-all-devices.mak
 
 SOFTMMU_FUZZ_RULES=$(filter %-softmmu/fuzz, $(TARGET_DIRS_RULES))

Makefile.objs

 #######################################################################
 # Common libraries for tools and emulators
-qom-obj-y = qom/
+qom-obj-y = qom/libqom.fa
 
 #######################################################################
 # code used by both qemu system emulation and qemu-img

Makefile.target

@@ -191,13 +191,14 @@ all-obj-y := $(obj-y)
 common-obj-m :=
 
 include $(SRC_PATH)/Makefile.objs
+dummy := $(call fix-paths,../,, \
+              qom-obj-y)
 dummy := $(call unnest-vars,.., \
                authz-obj-y \
                block-obj-y \
                block-obj-m \
                chardev-obj-y \
                crypto-obj-y \
-               qom-obj-y \
                io-obj-y \
                common-obj-y \
                common-obj-m)

meson.build

@@ -340,6 +340,7 @@ libqemuutil = static_library('qemuutil',
 qemuutil = declare_dependency(link_with: libqemuutil,
                               sources: genh + version_res)
 
+subdir('qom')
 subdir('fsdev')
 
 # Other build targets

qom/Makefile.objs

-qom-obj-y = object.o container.o qom-qobject.o
-qom-obj-y += object_interfaces.o
-
 common-obj-$(CONFIG_SOFTMMU) += qom-hmp-cmds.o qom-qmp-cmds.o
 storage-daemon-obj-y += qom-qmp-cmds.o

qom/meson.build

+qom_ss = ss.source_set()
+qom_ss.add(files(
+  'container.c',
+  'object.c',
+  'object_interfaces.c',
+  'qom-qobject.c',
+))
+
+qom_ss = qom_ss.apply(config_host, strict: false)
+libqom = static_library('qom', qom_ss.sources() + genh,
+                        dependencies: [qom_ss.dependencies()],
+                        link_with: [libqemuutil],
+                        name_suffix: 'fa')
+
+qom = declare_dependency(link_whole: libqom)