meson: infrastructure for building emulators

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

1 files changed, 7 insertions, 67 deletions

diff --git a/Makefile b/Makefile
index 698bbdfcd3..19f167ba5f 100644
--- a/Makefile
+++ b/Makefile
@@ -121,8 +121,6 @@ include $(SRC_PATH)/rules.mak
 # lor is defined in rules.mak
 CONFIG_BLOCK := $(call lor,$(CONFIG_SOFTMMU),$(CONFIG_TOOLS))
 
-generated-files-y = config-host.h
-
 generated-files-y += module_block.h
 generated-files-y += target/s390x/gen-features.h
 target/s390x/gen-features.h: Makefile.ninja
@@ -178,65 +176,6 @@ DOCS=
 endif
 
 SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet) BUILD_DIR=$(BUILD_DIR)
-SUBDIR_DEVICES_MAK=$(patsubst %, %/config-devices.mak, $(filter %-softmmu, $(TARGET_DIRS)))
-SUBDIR_DEVICES_MAK_DEP=$(patsubst %, %.d, $(SUBDIR_DEVICES_MAK))
-
-ifeq ($(SUBDIR_DEVICES_MAK),)
-config-all-devices.mak: config-host.mak
-	$(call quiet-command,echo '# no devices' > $@,"GEN","$@")
-else
-config-all-devices.mak: $(SUBDIR_DEVICES_MAK) config-host.mak
-	$(call quiet-command, sed -n \
-             's|^\([^=]*\)=\(.*\)$$|\1:=$$(findstring y,$$(\1)\2)|p' \
-             $(SUBDIR_DEVICES_MAK) | sort -u > $@, \
-             "GEN","$@")
-endif
-
--include $(SUBDIR_DEVICES_MAK_DEP)
-
-# This has to be kept in sync with Kconfig.host.
-MINIKCONF_ARGS = \
-    $(CONFIG_MINIKCONF_MODE) \
-    $@ $*/config-devices.mak.d $< $(SRC_PATH)/Kconfig \
-    CONFIG_TCG=$(CONFIG_TCG) \
-    CONFIG_KVM=$(CONFIG_KVM) \
-    CONFIG_SPICE=$(CONFIG_SPICE) \
-    CONFIG_IVSHMEM=$(CONFIG_IVSHMEM) \
-    CONFIG_TPM=$(CONFIG_TPM) \
-    CONFIG_XEN=$(CONFIG_XEN) \
-    CONFIG_OPENGL=$(CONFIG_OPENGL) \
-    CONFIG_X11=$(CONFIG_X11) \
-    CONFIG_VHOST_USER=$(CONFIG_VHOST_USER) \
-    CONFIG_VHOST_KERNEL=$(CONFIG_VHOST_KERNEL) \
-    CONFIG_VIRTFS=$(CONFIG_VIRTFS) \
-    CONFIG_LINUX=$(CONFIG_LINUX) \
-    CONFIG_PVRDMA=$(CONFIG_PVRDMA)
-
-MINIKCONF = $(PYTHON) $(SRC_PATH)/scripts/minikconf.py
-
-$(SUBDIR_DEVICES_MAK): %/config-devices.mak: default-configs/%.mak $(SRC_PATH)/Kconfig $(BUILD_DIR)/config-host.mak
-	$(call quiet-command, $(MINIKCONF) $(MINIKCONF_ARGS) \
-		> $@.tmp, "GEN", "$@.tmp")
-	$(call quiet-command, if test -f $@; then \
-	  if cmp -s $@.old $@; then \
-	    mv $@.tmp $@; \
-	    cp -p $@ $@.old; \
-	  else \
-	    if test -f $@.old; then \
-	      echo "WARNING: $@ (user modified) out of date.";\
-	    else \
-	      echo "WARNING: $@ out of date.";\
-	    fi; \
-	    echo "Run \"$(MAKE) defconfig\" to regenerate."; \
-	    rm $@.tmp; \
-	  fi; \
-	 else \
-	  mv $@.tmp $@; \
-	  cp -p $@ $@.old; \
-	 fi,"GEN","$@");
-
-defconfig:
-	rm -f config-all-devices.mak $(SUBDIR_DEVICES_MAK)
 
 ifneq ($(wildcard config-host.mak),)
 include $(SRC_PATH)/Makefile.objs
@@ -279,10 +218,15 @@ $(SOFTMMU_FUZZ_RULES): $(io-obj-y)
 $(SOFTMMU_FUZZ_RULES): config-all-devices.mak
 $(SOFTMMU_FUZZ_RULES): $(edk2-decompressed)
 
+# meson: this is sub-optimal but going away after conversion
+TARGET_DEPS = $(patsubst %,%-config-target.h, $(TARGET_DIRS))
+TARGET_DEPS += $(patsubst %,%-config-devices.h, $(filter %-softmmu,$(TARGET_DIRS)))
+TARGET_DEPS += $(patsubst %,libqemu-%.fa, $(TARGET_DIRS))
+
 .PHONY: $(TARGET_DIRS_RULES)
 # The $(TARGET_DIRS_RULES) are of the form SUBDIR/GOAL, so that
 # $(dir $@) yields the sub-directory, and $(notdir $@) yields the sub-goal
-$(TARGET_DIRS_RULES):
+$(TARGET_DIRS_RULES): $(TARGET_DEPS)
 	$(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),)
 
 # LIBFDT_lib="": avoid breaking existing trees with objects requiring -fPIC
@@ -370,7 +314,6 @@ clean: recurse-clean ninja-clean clean-ctlist
 	-test -f ninjatool && ./ninjatool $(if $(V),-v,) -t clean
 # avoid old build problems by removing potentially incorrect old files
 	rm -f config.mak op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h
-	rm -f qemu-options.def
 	find . \( -name '*.so' -o -name '*.dll' -o -name '*.mo' -o -name '*.[oda]' \) -type f \
 		! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \
 		! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \
@@ -379,8 +322,6 @@ clean: recurse-clean ninja-clean clean-ctlist
 	rm -f $(filter-out %.tlb,$(TOOLS)) $(HELPERS-y) TAGS cscope.* *.pod *~ */*~
 	rm -f fsdev/*.pod scsi/*.pod
 	rm -f $(foreach f,$(generated-files-y),$(f) $(f)-timestamp)
-	rm -f config-all-devices.mak
-	rm -f $(SUBDIR_DEVICES_MAK)
 
 VERSION ?= $(shell cat VERSION)
 
@@ -398,8 +339,7 @@ distclean: clean ninja-distclean
 	-test -f ninjatool && ./ninjatool $(if $(V),-v,) -t clean -g
 	rm -f config-host.mak config-host.h* $(DOCS)
 	rm -f tests/tcg/config-*.mak
-	rm -f config-all-devices.mak config-all-disas.mak config.status
-	rm -f $(SUBDIR_DEVICES_MAK)
+	rm -f config-all-disas.mak config.status
 	rm -f po/*.mo tests/qemu-iotests/common.env
 	rm -f roms/seabios/config.mak roms/vgabios/config.mak
 	rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols