%.d:
%.h:
%.c:
+%.cc:
+%.cpp:
%.m:
%.mak:
+# Flags for C++ compilation
+QEMU_CXXFLAGS = -D__STDC_LIMIT_MACROS $(filter-out -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Wold-style-declaration -Wold-style-definition -Wredundant-decls, $(QEMU_CFLAGS))
+
# 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$(@D)
+QEMU_INCLUDES += -I$(<D) -I$(@D)
+
+maybe-add = $(filter-out $1, $2) $1
+extract-libs = $(strip $(sort $(foreach o,$1,$($o-libs))) \
+ $(foreach o,$(call expand-objs,$1),$($o-libs)))
+expand-objs = $(strip $(sort $(filter %.o,$1)) \
+ $(foreach o,$(filter %.mo,$1),$($o-objs)) \
+ $(filter-out %.o %.mo,$1))
%.o: %.c
- $(call quiet-command,$(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," CC $(TARGET_DIR)$@")
+ $(call quiet-command,$(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) -c -o $@ $<," CC $(TARGET_DIR)$@")
+%.o: %.rc
+ $(call quiet-command,$(WINDRES) -I. -o $@ $<," RC $(TARGET_DIR)$@")
+
+# If we have a CXX we might have some C++ objects, in which case we
+# must link with the C++ compiler, not the plain C compiler.
+LINKPROG = $(or $(CXX),$(CC))
ifeq ($(LIBTOOL),)
-%.lo: %.c
- @echo "missing libtool. please install and rerun configure"; exit 1
+LINK = $(call quiet-command,$(LINKPROG) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \
+ $(call expand-objs,$1) $(version-obj-y) \
+ $(call extract-libs,$1) $(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) $($*.o-cflags) -c -o $@ $<," lt CC $@")
+%.lo: %.rc
+ $(call quiet-command,$(LIBTOOL) --mode=compile --tag=RC $(WINDRES) -I. -o $@ $<,"lt RC $(TARGET_DIR)$@")
+%.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,$1),$(LIBTOOL) --mode=link --tag=CC \
+ )$(LINKPROG) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \
+ $(call expand-objs,$1) \
+ $(if $(filter %.lo %.la,$1),$(version-lobj-y),$(version-obj-y)) \
+ $(if $(filter %.lo %.la,$1),$(LIBTOOLFLAGS)) \
+ $(call extract-libs,$(1:.lo=.o)) $(LIBS),$(if $(filter %.lo %.la,$1),"lt LINK ", " LINK ")"$(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: %.cc
+ $(call quiet-command,$(CXX) $(QEMU_INCLUDES) $(QEMU_CXXFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) -c -o $@ $<," CXX $(TARGET_DIR)$@")
+
+%.o: %.cpp
+ $(call quiet-command,$(CXX) $(QEMU_INCLUDES) $(QEMU_CXXFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) -c -o $@ $<," CXX $(TARGET_DIR)$@")
%.o: %.m
- $(call quiet-command,$(OBJCC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," OBJC $(TARGET_DIR)$@")
+ $(call quiet-command,$(OBJCC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) -c -o $@ $<," OBJC $(TARGET_DIR)$@")
-LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ $(sort $(filter %.o, $1)) $(filter-out %.o, $1) $(LIBS)," LINK $(TARGET_DIR)$@")
+%.o: %.dtrace
+ $(call quiet-command,dtrace -o $@ -G -s $<, " GEN $(TARGET_DIR)$@")
+
+DSO_CFLAGS := -fPIC -DBUILD_DSO
+%$(DSOSUF): LDFLAGS += $(LDFLAGS_SHARED)
+%$(DSOSUF): %.mo libqemustub.a
+ $(call LINK,$^)
+ @# Copy to build root so modules can be loaded when program started without install
+ $(if $(findstring /,$@),$(call quiet-command,cp $@ $(subst /,-,$@), " CP $(subst /,-,$@)"))
+
+.PHONY: modules
+modules:
%$(EXESUF): %.o
$(call LINK,$^)
cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \
>/dev/null 2>&1 && echo OK), $2, $3)
-VPATH_SUFFIXES = %.c %.h %.S %.m %.mak %.texi %.sh
+VPATH_SUFFIXES = %.c %.h %.S %.cc %.cpp %.m %.mak %.texi %.sh %.rc
set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1)))
# find-in-path
$(wildcard $1), \
$(wildcard $(patsubst %, %/$1, $(subst :, ,$(PATH)))))
+# Logical functions (for operating on y/n values like CONFIG_FOO vars)
+# Inputs to these must be either "y" (true) or "n" or "" (both false)
+# Output is always either "y" or "n".
+# Usage: $(call land,$(CONFIG_FOO),$(CONFIG_BAR))
+# Logical NOT
+lnot = $(if $(subst n,,$1),n,y)
+# Logical AND
+land = $(if $(findstring yy,$1$2),y,n)
+# Logical OR
+lor = $(if $(findstring y,$1$2),y,n)
+# Logical XOR (note that this is the inverse of leqv)
+lxor = $(if $(filter $(call lnot,$1),$(call lnot,$2)),n,y)
+# Logical equivalence (note that leqv "","n" is true)
+leqv = $(if $(filter $(call lnot,$1),$(call lnot,$2)),y,n)
+# Logical if: like make's $(if) but with an leqv-like test
+lif = $(if $(subst n,,$1),$2,$3)
+
+# String testing functions: inputs to these can be any string;
+# the output is always either "y" or "n". Leading and trailing whitespace
+# is ignored when comparing strings.
+# String equality
+eq = $(if $(subst $2,,$1)$(subst $1,,$2),n,y)
+# String inequality
+ne = $(if $(subst $2,,$1)$(subst $1,,$2),y,n)
+# Emptiness/non-emptiness tests:
+isempty = $(if $1,n,y)
+notempty = $(if $1,y,n)
+
# Generate files with tracetool
TRACETOOL=$(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 $< $@
-%.h-timestamp: %.mak
- $(call quiet-command, sh $(SRC_PATH)/scripts/create_config < $< > $@, " GEN $(TARGET_DIR)$*.h")
- @cmp $@ $*.h >/dev/null 2>&1 || cp $@ $*.h
+config-%.h-timestamp: config-%.mak
+ $(call quiet-command, sh $(SRC_PATH)/scripts/create_config < $< > $@, " GEN $(TARGET_DIR)config-$*.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 :=)
$(eval save-$2-$1 :=)
endef
+define fix-obj-vars
+$(if $2, $(foreach v,$($1), \
+ $(if $($v-cflags), \
+ $(eval $2/$v-cflags := $($v-cflags)) \
+ $(eval $v-cflags := )) \
+ $(if $($v-libs), \
+ $(eval $2/$v-libs := $($v-libs)) \
+ $(eval $v-libs := )) \
+ $(if $($v-objs), \
+ $(eval $2/$v-objs := $(addprefix $2/,$($v-objs))) \
+ $(eval $v-objs := ))))
+endef
+
define unnest-dir
$(foreach var,$(nested-vars),$(call push-var,$(var),$1/))
-$(eval obj := $(obj)/$1)
+$(eval obj-parent-$1 := $(obj))
+$(eval obj := $(if $(obj),$(obj)/$1,$1))
$(eval include $(SRC_PATH)/$1/Makefile.objs)
-$(eval obj := $(patsubst %/$1,%,$(obj)))
+$(foreach v,$(nested-vars),$(call fix-obj-vars,$v,$(obj)))
+$(eval obj := $(obj-parent-$1))
+$(eval obj-parent-$1 := )
$(foreach var,$(nested-vars),$(call pop-var,$(var),$1/))
endef
$(call unnest-vars-1))
endef
+define process-modules
+$(foreach o,$(filter %.o,$($1)),
+ $(eval $(patsubst %.o,%.mo,$o): $o) \
+ $(eval $(patsubst %.o,%.mo,$o)-objs := $o))
+$(foreach o,$(filter-out $(modules-m), $(patsubst %.o,%.mo,$($1))), \
+ $(eval $o-objs += module-common.o)
+ $(eval $o: $($o-objs))
+ $(eval modules-objs-m += $($o-objs))
+ $(eval modules-m += $o)
+ $(eval $o:; $$(call quiet-command,touch $$@," GEN $$(TARGET_DIR)$$@"))
+ $(if $(CONFIG_MODULES),$(eval modules: $(patsubst %.mo,%$(DSOSUF),$o)))) \
+$(eval modules-objs-m := $(sort $(modules-objs-m)))
+$(foreach o,$(modules-objs-m), \
+ $(if $(CONFIG_MODULES),$(eval $o-cflags := $(call maybe-add, $(DSO_CFLAGS), $($o-cflags)))))
+$(eval $(patsubst %-m,%-$(call lnot,$(CONFIG_MODULES)),$1) += $($1))
+endef
+
define unnest-vars
+$(eval obj := $1)
+$(eval nested-vars := $2)
+$(foreach v,$(nested-vars),$(call fix-obj-vars,$v,$(obj)))
+$(eval old-nested-dirs := )
$(call unnest-vars-1)
+$(if $1,$(foreach v,$(nested-vars),$(eval \
+ $v := $(addprefix $1/,$($v)))))
$(foreach var,$(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)))))))
+$(foreach v,$(filter %-m,$(nested-vars)), \
+ $(call process-modules,$v))
endef
projects / qemu.git / blobdiff