+++ /dev/null
-
-# These are used when we want to do substitutions without confusing Make
-NULL :=
-SPACE := $(NULL) #
-COMMA := ,
-
-# Don't use implicit rules or variables
-# we have explicit rules for everything
-MAKEFLAGS += -rR
-
-# Files with this suffixes are final, don't try to generate them
-# using implicit rules
-%/trace-events:
-%.hx:
-%.py:
-%.objs:
-%.d:
-%.h:
-%.c:
-%.cc:
-%.cpp:
-%.m:
-%.mak:
-clean-target:
-
-# Flags for dependency generation
-QEMU_DGFLAGS += -MMD -MP -MT $@ -MF $(@D)/$(*F).d
-
-# Compiler searches the source file dir first, but in vpath builds
-# we need to make it search the build dir too, before any other
-# explicit search paths. There are two search locations in the build
-# dir, one absolute and the other relative to the compiler working
-# directory. These are the same for target-independent files, but
-# different for target-dependent ones.
-QEMU_LOCAL_INCLUDES = -iquote $(BUILD_DIR)/$(@D) -iquote $(@D)
-
-WL_U := -Wl,-u,
-find-symbols = $(if $1, $(sort $(shell $(NM) -P -g $1 | $2)))
-defined-symbols = $(call find-symbols,$1,awk '$$2!="U"{print $$1}')
-undefined-symbols = $(call find-symbols,$1,awk '$$2=="U"{print $$1}')
-
-# All the .mo objects in -m variables are also added into corresponding -y
-# variable in unnest-vars, but filtered out here, when LINK is called.
-#
-# The .mo objects are supposed to be linked as a DSO, for module build. So here
-# they are only used as a placeholders to generate those "archive undefined"
-# symbol options (-Wl,-u,$symbol_name), which are the archive functions
-# referenced by the code in the DSO.
-#
-# Also the presence in -y variables will also guarantee they are built before
-# linking executables that will load them. So we can look up symbol reference
-# in LINK.
-#
-# This is necessary because the exectuable itself may not use the function, in
-# which case the function would not be linked in. Then the DSO loading will
-# fail because of the missing symbol.
-process-archive-undefs = $(filter-out %.a %.mo,$1) \
- $(addprefix $(WL_U), \
- $(filter $(call defined-symbols,$(filter %.a, $1)), \
- $(call undefined-symbols,$(filter %.mo,$1)))) \
- $(filter %.a,$1)
-
-extract-libs = $(strip $(foreach o,$(filter-out %.mo,$1),$($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_LOCAL_INCLUDES) $(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))
-
-LINK = $(call quiet-command, $(LINKPROG) $(QEMU_LDFLAGS) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \
- $(call process-archive-undefs, $1) \
- $(version-obj-y) $(call extract-libs,$1) $(LIBS),"LINK","$(TARGET_DIR)$@")
-
-%.o: %.S
- $(call quiet-command,$(CCAS) $(QEMU_LOCAL_INCLUDES) $(QEMU_INCLUDES) \
- $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \
- -c -o $@ $<,"CCAS","$(TARGET_DIR)$@")
-
-%.o: %.cc
- $(call quiet-command,$(CXX) $(QEMU_LOCAL_INCLUDES) $(QEMU_INCLUDES) \
- $(QEMU_CXXFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) \
- -c -o $@ $<,"CXX","$(TARGET_DIR)$@")
-
-%.o: %.cpp
- $(call quiet-command,$(CXX) $(QEMU_LOCAL_INCLUDES) $(QEMU_INCLUDES) \
- $(QEMU_CXXFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) \
- -c -o $@ $<,"CXX","$(TARGET_DIR)$@")
-
-%.o: %.m
- $(call quiet-command,$(OBJCC) $(QEMU_LOCAL_INCLUDES) $(QEMU_INCLUDES) \
- $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) \
- -c -o $@ $<,"OBJC","$(TARGET_DIR)$@")
-
-%.o: %.dtrace
- $(call quiet-command,dtrace -o $@ -G -s $<,"GEN","$(TARGET_DIR)$@")
-
-DSO_OBJ_CFLAGS := -fPIC -DBUILD_DSO
-module-common.o: CFLAGS += $(DSO_OBJ_CFLAGS)
-%$(DSOSUF): LDFLAGS += $(LDFLAGS_SHARED)
-%$(DSOSUF): %.mo
- $(call LINK,$^)
- @# Copy to build root so modules can be loaded when program started without install
- $(if $(findstring /,$@),$(call quiet-command,cp $@ $(subst /,-,$@),"CP","$(subst /,-,$@)"))
-
-
-LD_REL := $(CC) -nostdlib $(LD_REL_FLAGS)
-
-%.mo:
- $(call quiet-command,$(LD_REL) -o $@ $^,"LD","$(TARGET_DIR)$@")
-
-.PHONY: modules
-modules:
-
-%$(EXESUF): %.o
- $(call LINK,$(filter %.o %.a %.mo, $^))
-
-%.a:
- $(call quiet-command,rm -f $@ && $(AR) rcs $@ $^,"AR","$(TARGET_DIR)$@")
-
-# Usage: $(call quiet-command,command and args,"NAME","args to print")
-# This will run "command and args", and either:
-# if V=1 just print the whole command and args
-# otherwise print the 'quiet' output in the format " NAME args to print"
-# NAME should be a short name of the command, 7 letters or fewer.
-# If called with only a single argument, will print nothing in quiet mode.
-quiet-command-run = $(if $(V),,$(if $2,printf " %-7s %s\n" $2 $3 && ))$1
-quiet-@ = $(if $(V),,@)
-quiet-command = $(quiet-@)$(call quiet-command-run,$1,$2,$3)
-
-# cc-option
-# Usage: CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0)
-
-cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \
- >/dev/null 2>&1 && echo OK), $2, $3)
-cc-c-option = $(if $(shell $(CC) $1 $2 -c -o /dev/null -xc /dev/null \
- >/dev/null 2>&1 && echo OK), $2, $3)
-
-VPATH_SUFFIXES = %.c %.h %.S %.cc %.cpp %.m %.mak %.texi %.sh %.rc Kconfig% %.json.in
-set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1)))
-
-# install-prog list, dir
-define install-prog
- $(INSTALL_DIR) "$2"
- $(INSTALL_PROG) $1 "$2"
- $(if $(STRIP),$(STRIP) $(foreach T,$1,"$2/$(notdir $T)"),)
-endef
-
-# find-in-path
-# Usage: $(call find-in-path, prog)
-# Looks in the PATH if the argument contains no slash, else only considers one
-# specific directory. Returns an # empty string if the program doesn't exist
-# there.
-find-in-path = $(if $(findstring /, $1), \
- $(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
-
-config-%.h: config-%.h-timestamp
- @cmp $< $@ >/dev/null 2>&1 || cp $< $@
-
-config-%.h-timestamp: config-%.mak $(SRC_PATH)/scripts/create_config
- $(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:
-
-# save-vars
-# Usage: $(call save-vars, vars)
-# Save each variable $v in $vars as save-vars-$v, save their object's
-# variables, then clear $v. saved-vars-$v contains the variables that
-# where saved for the objects, in order to speedup load-vars.
-define save-vars
- $(foreach v,$1,
- $(eval save-vars-$v := $(value $v))
- $(eval saved-vars-$v := $(foreach o,$($v), \
- $(if $($o-cflags), $o-cflags $(eval save-vars-$o-cflags := $($o-cflags))$(eval $o-cflags := )) \
- $(if $($o-libs), $o-libs $(eval save-vars-$o-libs := $($o-libs))$(eval $o-libs := )) \
- $(if $($o-objs), $o-objs $(eval save-vars-$o-objs := $($o-objs))$(eval $o-objs := ))))
- $(eval $v := ))
-endef
-
-# load-vars
-# Usage: $(call load-vars, vars, add_var)
-# Load the saved value for each variable in @vars, and the per object
-# variables.
-# Append @add_var's current value to the loaded value.
-define load-vars
- $(eval $2-new-value := $(value $2))
- $(foreach v,$1,
- $(eval $v := $(value save-vars-$v))
- $(foreach o,$(saved-vars-$v),
- $(eval $o := $(save-vars-$o)) $(eval save-vars-$o := ))
- $(eval save-vars-$v := )
- $(eval saved-vars-$v := ))
- $(eval $2 := $(value $2) $($2-new-value))
-endef
-
-# fix-paths
-# Usage: $(call fix-paths, obj_path, src_path, vars)
-# Add prefix @obj_path to all objects in @vars, and add prefix @src_path to all
-# directories in @vars.
-define fix-paths
- $(foreach v,$3,
- $(foreach o,$($v),
- $(if $($o-libs),
- $(eval $1$o-libs := $($o-libs)))
- $(if $($o-cflags),
- $(eval $1$o-cflags := $($o-cflags)))
- $(if $($o-objs),
- $(eval $1$o-objs := $(addprefix $1,$($o-objs)))))
- $(eval $v := $(addprefix $1,$(filter-out %/,$($v))) \
- $(addprefix $2,$(filter %/,$($v)))))
-endef
-
-# unnest-var-recursive
-# Usage: $(call unnest-var-recursive, obj_prefix, vars, var)
-#
-# Unnest @var by including subdir Makefile.objs, while protect others in @vars
-# unchanged.
-#
-# @obj_prefix is the starting point of object path prefix.
-#
-define unnest-var-recursive
- $(eval dirs := $(sort $(filter %/,$($3))))
- $(eval $3 := $(filter-out %/,$($3)))
- $(foreach d,$(dirs:%/=%),
- $(call save-vars,$2)
- $(eval obj := $(if $1,$1/)$d)
- $(eval -include $(SRC_PATH)/$d/Makefile.objs)
- $(call fix-paths,$(if $1,$1/)$d/,$d/,$2)
- $(call load-vars,$2,$3)
- $(call unnest-var-recursive,$1,$2,$3))
-endef
-
-# unnest-vars
-# Usage: $(call unnest-vars, obj_prefix, vars)
-#
-# @obj_prefix: object path prefix, can be empty, or '..', etc. Don't include
-# ending '/'.
-#
-# @vars: the list of variable names to unnest.
-#
-# This macro will scan subdirectories's Makefile.objs, include them, to build
-# up each variable listed in @vars.
-#
-# Per object and per module cflags and libs are saved with relative path fixed
-# as well, those variables include -libs, -cflags and -objs. Items in -objs are
-# also fixed to relative path against SRC_PATH plus the prefix @obj_prefix.
-#
-# All nested variables postfixed by -m in names are treated as DSO variables,
-# and will be built as modules, if enabled.
-#
-# A simple example of the unnest:
-#
-# obj_prefix = ..
-# vars = hot cold
-# hot = fire.o sun.o season/
-# cold = snow.o water/ season/
-#
-# Unnest through a faked source directory structure:
-#
-# SRC_PATH
-# ├── water
-# │ └── Makefile.objs──────────────────┐
-# │ │ hot += steam.o │
-# │ │ cold += ice.mo │
-# │ │ ice.mo-libs := -licemaker │
-# │ │ ice.mo-objs := ice1.o ice2.o │
-# │ └──────────────────────────────┘
-# │
-# └── season
-# └── Makefile.objs──────┐
-# │ hot += summer.o │
-# │ cold += winter.o │
-# └──────────────────┘
-#
-# In the end, the result will be:
-#
-# hot = ../fire.o ../sun.o ../season/summer.o
-# cold = ../snow.o ../water/ice.mo ../season/winter.o
-# ../water/ice.mo-libs = -licemaker
-# ../water/ice.mo-objs = ../water/ice1.o ../water/ice2.o
-#
-# Note that 'hot' didn't include 'water/' in the input, so 'steam.o' is not
-# included.
-#
-define unnest-vars
- # In the case of target build (i.e. $1 == ..), fix path for top level
- # Makefile.objs objects
- $(if $1,$(call fix-paths,$1/,,$2))
-
- # Descend and include every subdir Makefile.objs
- $(foreach v, $2,
- $(call unnest-var-recursive,$1,$2,$v)
- # Pass the .mo-cflags and .mo-libs along to its member objects
- $(foreach o, $(filter %.mo,$($v)),
- $(foreach p,$($o-objs),
- $(if $($o-cflags), $(eval $p-cflags += $($o-cflags)))
- $(if $($o-libs), $(eval $p-libs += $($o-libs))))))
-
- # For all %.mo objects that are directly added into -y, just expand them
- $(foreach v,$(filter %-y,$2),
- $(eval $v := $(foreach o,$($v),$(if $($o-objs),$($o-objs),$o))))
-
- $(foreach v,$(filter %-m,$2),
- # All .o found in *-m variables are single object modules, create .mo
- # for them
- $(foreach o,$(filter %.o,$($v)),
- $(eval $(o:%.o=%.mo)-objs := $o))
- # Now unify .o in -m variable to .mo
- $(eval $v := $($v:%.o=%.mo))
- $(eval modules-m += $($v))
-
- # For module build, build shared libraries during "make modules"
- # For non-module build, add -m to -y
- $(if $(CONFIG_MODULES),
- $(foreach o,$($v),
- $(eval $($o-objs): CFLAGS += $(DSO_OBJ_CFLAGS))
- $(eval $o: $($o-objs)))
- $(eval $(patsubst %-m,%-y,$v) += $($v))
- $(eval modules: $($v:%.mo=%$(DSOSUF))),
- $(eval $(patsubst %-m,%-y,$v) += $(call expand-objs, $($v)))))
-
- # Post-process all the unnested vars
- $(foreach v,$2,
- $(foreach o, $(filter %.mo,$($v)),
- # Find all the .mo objects in variables and add dependency rules
- # according to .mo-objs. Report error if not set
- $(if $($o-objs),
- $(eval $(o:%.mo=%$(DSOSUF)): module-common.o $($o-objs)),
- $(error $o added in $v but $o-objs is not set)))
- $(shell mkdir -p ./ $(sort $(dir $($v))))
- # Include all the .d files
- $(eval -include $(patsubst %.o,%.d,$(patsubst %.mo,%.d,$($v))))
- $(eval $v := $(filter-out %/,$($v))))
-endef
-
-TEXI2MAN = $(call quiet-command, \
- perl -Ww -- $(SRC_PATH)/scripts/texi2pod.pl $(TEXI2PODFLAGS) $< $@.pod && \
- $(POD2MAN) --section=$(subst .,,$(suffix $@)) --center=" " --release=" " $@.pod > $@, \
- "GEN","$@")
-
-%.1:
- $(call TEXI2MAN)
-%.7:
- $(call TEXI2MAN)
-%.8:
- $(call TEXI2MAN)
-
-GEN_SUBST = $(call quiet-command, \
- sed -e "s!@libexecdir@!$(libexecdir)!g" < $< > $@, \
- "GEN","$@")
-
-%.json: %.json.in
- $(call GEN_SUBST)
projects / mirror_qemu.git / blobdiff