X-Git-Url: https://repo.jachan.dev/qemu.git/blobdiff_plain/cefc898806e0346eef87d15ddaac9475b57b7d84..c09b437b5fab487edd924e09d1732062d7dcf093:/rules.mak

diff --git a/rules.mak b/rules.mak
index c30093c116..edc2552f08 100644
--- a/rules.mak
+++ b/rules.mak
@@ -14,24 +14,42 @@ MAKEFLAGS += -rR
 # Flags for dependency generation
 QEMU_DGFLAGS += -MMD -MP -MT $@ -MF $(*D)/$(*F).d
 
+# Same as -I$(SRC_PATH) -I., but for the nested source/object directories
+QEMU_CFLAGS += -I$(<D) -I$(@D)
+
 %.o: %.c
 	$(call quiet-command,$(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  CC    $(TARGET_DIR)$@")
 
 ifeq ($(LIBTOOL),)
-%.lo: %.c
-	@echo "missing libtool. please install and rerun configure"; exit 1
+LIBTOOL = /bin/false
+LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \
+       $(sort $(filter %.o, $1)) $(filter-out %.o, $1) $(version-obj-y) \
+       $(LIBS),"  LINK  $(TARGET_DIR)$@")
 else
+LIBTOOL += $(if $(V),,--quiet)
 %.lo: %.c
-	$(call quiet-command,$(LIBTOOL) --mode=compile --quiet --tag=CC $(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  lt CC $@")
+	$(call quiet-command,$(LIBTOOL) --mode=compile --tag=CC $(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  lt CC $@")
+%.lo: %.dtrace
+	$(call quiet-command,$(LIBTOOL) --mode=compile --tag=CC dtrace -o $@ -G -s $<, " lt GEN $(TARGET_DIR)$@")
+
+LINK = $(call quiet-command,\
+       $(if $(filter %.lo %.la,$^),$(LIBTOOL) --mode=link --tag=CC \
+       )$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \
+       $(sort $(filter %.o, $1)) $(filter-out %.o, $1) $(version-obj-y) \
+       $(LIBS),$(if $(filter %.lo %.la,$^),"lt LINK ", "  LINK  ")"$(TARGET_DIR)$@")
 endif
 
-%.o: %.S
-	$(call quiet-command,$(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  AS    $(TARGET_DIR)$@")
+%.asm: %.S
+	$(call quiet-command,$(CPP) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -o $@ $<,"  CPP   $(TARGET_DIR)$@")
+
+%.o: %.asm
+	$(call quiet-command,$(AS) $(ASFLAGS) -o $@ $<,"  AS    $(TARGET_DIR)$@")
 
 %.o: %.m
-	$(call quiet-command,$(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  OBJC  $(TARGET_DIR)$@")
+	$(call quiet-command,$(OBJCC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  OBJC  $(TARGET_DIR)$@")
 
-LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ $(sort $(1)) $(LIBS),"  LINK  $(TARGET_DIR)$@")
+%.o: %.dtrace
+	$(call quiet-command,dtrace -o $@ -G -s $<, "  GEN   $(TARGET_DIR)$@")
 
 %$(EXESUF): %.o
 	$(call LINK,$^)
@@ -59,14 +77,63 @@ find-in-path = $(if $(find-string /, $1), \
         $(wildcard $1), \
         $(wildcard $(patsubst %, %/$1, $(subst :, ,$(PATH)))))
 
+# Generate files with tracetool
+TRACETOOL=$(PYTHON) $(SRC_PATH)/scripts/tracetool.py
+
 # Generate timestamp files for .h include files
 
-%.h: %.h-timestamp
-	@test -f $@ || cp $< $@
+config-%.h: config-%.h-timestamp
+	@cmp $< $@ >/dev/null 2>&1 || cp $< $@
+
+config-%.h-timestamp: config-%.mak
+	$(call quiet-command, sh $(SRC_PATH)/scripts/create_config < $< > $@, "  GEN   $(TARGET_DIR)config-$*.h")
 
-%.h-timestamp: %.mak
-	$(call quiet-command, sh $(SRC_PATH)/scripts/create_config < $< > $@, "  GEN   $*.h")
-	@cmp $@ $*.h >/dev/null 2>&1 || cp $@ $*.h
+.PHONY: clean-timestamp
+clean-timestamp:
+	rm -f *.timestamp
+clean: clean-timestamp
 
 # will delete the target of a rule if commands exit with a nonzero exit status
 .DELETE_ON_ERROR:
+
+# magic to descend into other directories
+
+obj := .
+old-nested-dirs :=
+
+define push-var
+$(eval save-$2-$1 = $(value $1))
+$(eval $1 :=)
+endef
+
+define pop-var
+$(eval subdir-$2-$1 := $(if $(filter $2,$(save-$2-$1)),$(addprefix $2,$($1))))
+$(eval $1 = $(value save-$2-$1) $$(subdir-$2-$1))
+$(eval save-$2-$1 :=)
+endef
+
+define unnest-dir
+$(foreach var,$(nested-vars),$(call push-var,$(var),$1/))
+$(eval obj := $(obj)/$1)
+$(eval include $(SRC_PATH)/$1/Makefile.objs)
+$(eval obj := $(patsubst %/$1,%,$(obj)))
+$(foreach var,$(nested-vars),$(call pop-var,$(var),$1/))
+endef
+
+define unnest-vars-1
+$(eval nested-dirs := $(filter-out \
+    $(old-nested-dirs), \
+    $(sort $(foreach var,$(nested-vars), $(filter %/, $($(var)))))))
+$(if $(nested-dirs),
+  $(foreach dir,$(nested-dirs),$(call unnest-dir,$(patsubst %/,%,$(dir))))
+  $(eval old-nested-dirs := $(old-nested-dirs) $(nested-dirs))
+  $(call unnest-vars-1))
+endef
+
+define unnest-vars
+$(call unnest-vars-1)
+$(foreach var,$(nested-vars),$(eval $(var) := $(filter-out %/, $($(var)))))
+$(shell mkdir -p $(sort $(foreach var,$(nested-vars),$(dir $($(var))))))
+$(foreach var,$(nested-vars), $(eval \
+  -include $(addsuffix *.d, $(sort $(dir $($(var)))))))
+endef