520 lines
14 KiB
Makefile
520 lines
14 KiB
Makefile
|
cur_makefile := $(lastword $(MAKEFILE_LIST))
|
||
|
|
|
||
|
|
# ==========================================================================
|
||
|
|
# Building
|
||
|
|
# ==========================================================================
|
||
|
|
|
||
|
|
src := $(obj)
|
||
|
|
|
||
|
|
PHONY := __build
|
||
|
|
__build:
|
||
|
|
|
||
|
|
$(cur_makefile): ;
|
||
|
|
|
||
|
|
# Init all relevant variables used in kbuild files so
|
||
|
|
# 1) they have correct type
|
||
|
|
# 2) they do not inherit any value from the environment
|
||
|
|
obj-y :=
|
||
|
|
lib-y :=
|
||
|
|
subdir-y :=
|
||
|
|
archive-custom :=
|
||
|
|
archive-custom-valid :=
|
||
|
|
always :=
|
||
|
|
targets :=
|
||
|
|
EXTRA_AFLAGS :=
|
||
|
|
EXTRA_CFLAGS :=
|
||
|
|
EXTRA_CPPFLAGS :=
|
||
|
|
EXTRA_LDFLAGS :=
|
||
|
|
asflags-y :=
|
||
|
|
ccflags-y :=
|
||
|
|
cppflags-y :=
|
||
|
|
ldflags-y :=
|
||
|
|
|
||
|
|
subdir-asflags-y :=
|
||
|
|
subdir-ccflags-y :=
|
||
|
|
|
||
|
|
include scripts/include.mk
|
||
|
|
|
||
|
|
# For backward compatibility check that these variables do not change
|
||
|
|
save-cflags := $(CFLAGS)
|
||
|
|
|
||
|
|
kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
|
||
|
|
kbuild-file := $(kbuild-dir)/Makefile
|
||
|
|
include $(kbuild-file)
|
||
|
|
|
||
|
|
$(kbuild-file): ;
|
||
|
|
|
||
|
|
# If the save-* variables changed error out
|
||
|
|
ifeq ($(KBUILD_NOPEDANTIC),)
|
||
|
|
ifneq ("$(save-cflags)","$(CFLAGS)")
|
||
|
|
$(error CFLAGS was changed in "$(kbuild-file)". Fix it to use ccflags-y)
|
||
|
|
endif
|
||
|
|
endif
|
||
|
|
|
||
|
|
include scripts/lib.mk
|
||
|
|
|
||
|
|
ifeq ($(WIN_PLAT),y)
|
||
|
|
create_dir = if not exist $(subst /,\,$(1)) mkdir $(subst /,\,$(1))
|
||
|
|
else
|
||
|
|
create_dir = [ -d $(1) ] || mkdir -p $(1)
|
||
|
|
endif
|
||
|
|
|
||
|
|
ifneq ($(KBUILD_SRC),)
|
||
|
|
# Create output directory if not already present
|
||
|
|
_dummy := $(shell $(call create_dir,$(obj)))
|
||
|
|
|
||
|
|
# Create directories for object files if directory does not exist
|
||
|
|
# Needed when obj-y := dir/file.o syntax is used
|
||
|
|
_dummy := $(foreach d,$(obj-dirs), $(shell $(call create_dir,$(d))))
|
||
|
|
endif
|
||
|
|
|
||
|
|
ifndef obj
|
||
|
|
$(warning kbuild: build.mk is included improperly)
|
||
|
|
endif
|
||
|
|
|
||
|
|
# ===========================================================================
|
||
|
|
|
||
|
|
ifneq ($(strip $(lib-y) $(lib-m) $(lib-)),)
|
||
|
|
lib-target := $(obj)/lib.a
|
||
|
|
endif
|
||
|
|
|
||
|
|
ifneq ($(strip $(obj-y) $(obj-m) $(obj-) $(subdir-m) $(lib-target)),)
|
||
|
|
builtin-target := $(obj)/built-in$(built_in_suffix)
|
||
|
|
endif
|
||
|
|
|
||
|
|
submodgoals =
|
||
|
|
SUBMODS := $(filter $(obj)/%,$(SUBMODS))
|
||
|
|
|
||
|
|
ifneq ($(SUBMODS),)
|
||
|
|
|
||
|
|
lst_target := $(filter %.s %.i %.lst, $(SUBMODS))
|
||
|
|
ifeq ($(lib-target),)
|
||
|
|
ifneq ($(filter $(obj)/lib.lst,$(lst_target)),)
|
||
|
|
$(error Cannot make lib.lst: lib-target not exists)
|
||
|
|
endif
|
||
|
|
endif
|
||
|
|
ifeq ($(builtin-target),)
|
||
|
|
ifneq ($(filter $(obj)/built-in.lst,$(lst_target)),)
|
||
|
|
$(error Cannot make built-in.lst: builtin-target not exists)
|
||
|
|
endif
|
||
|
|
endif
|
||
|
|
|
||
|
|
lst_target_obj := $(lst_target)
|
||
|
|
lst_target_obj := $(filter-out $(obj)/built-in.lst $(obj)/lib.lst,$(lst_target_obj))
|
||
|
|
lst_target_obj := $(lst_target_obj:.s=.o)
|
||
|
|
lst_target_obj := $(lst_target_obj:.i=.o)
|
||
|
|
lst_target_obj := $(lst_target_obj:.lst=.o)
|
||
|
|
lst_target_obj := $(sort $(lst_target_obj))
|
||
|
|
|
||
|
|
cur_submods := $(filter-out $(lst_target),$(SUBMODS))
|
||
|
|
cur_submods += $(lst_target_obj)
|
||
|
|
|
||
|
|
include scripts/submods.mk
|
||
|
|
|
||
|
|
buildextra-y := $(filter $(cur_submods),$(extra-y))
|
||
|
|
|
||
|
|
ifeq ($(filter $(obj)/built-in.lst,$(lst_target)),)
|
||
|
|
|
||
|
|
# Just compile some of the object files
|
||
|
|
buildsubdir-y := $(call get_subdirs,$(subdir-y),$(cur_submods))
|
||
|
|
buildobj-y := $(filter $(cur_submods) $(addsuffix /built-in$(built_in_suffix),$(buildsubdir-y)),$(obj-y))
|
||
|
|
buildobj-y += $(foreach m,$(multi-used-y),$(if $(filter $(cur_submods),$(call get_multi_objs,$m))),$m,)
|
||
|
|
|
||
|
|
else
|
||
|
|
|
||
|
|
# Compile all the object files
|
||
|
|
buildsubdir-y := $(subdir-y)
|
||
|
|
buildobj-y := $(obj-y)
|
||
|
|
|
||
|
|
endif
|
||
|
|
|
||
|
|
ifeq ($(filter $(obj)/lib.lst,$(lst_target)),)
|
||
|
|
# Just compile some of the lib files
|
||
|
|
buildlib-y := $(filter $(cur_submods),$(lib-y))
|
||
|
|
else
|
||
|
|
# Compile all the lib files
|
||
|
|
buildlib-y := $(lib-y)
|
||
|
|
endif
|
||
|
|
|
||
|
|
# Check for invalid targets
|
||
|
|
errobj-y := $(cur_submods)
|
||
|
|
errobj-y := $(filter-out $(buildsubdir-y) $(addsuffix /%,$(buildsubdir-y)),$(errobj-y))
|
||
|
|
errobj-y := $(filter-out $(buildextra-y) $(buildobj-y) $(buildlib-y),$(errobj-y))
|
||
|
|
errobj-y := $(filter-out $(foreach m,$(multi-used-y),$(call get_multi_objs,$m)),$(errobj-y))
|
||
|
|
ifneq ($(errobj-y),)
|
||
|
|
$(warning Unknown targets in [$(obj)]: $(errobj-y))
|
||
|
|
endif
|
||
|
|
|
||
|
|
# Update lst targets
|
||
|
|
all_buildobj-y := $(buildextra-y) $(buildobj-y) $(filter-out %.a,$(builtin-target))
|
||
|
|
all_buildlib-y := $(filter %.a,$(builtin-target)) $(lib-target)
|
||
|
|
lst_target := $(filter $(lst_target), \
|
||
|
|
$(all_buildobj-y:.o=.s) \
|
||
|
|
$(all_buildobj-y:.o=.i) \
|
||
|
|
$(all_buildobj-y:.o=.lst) \
|
||
|
|
$(patsubst %.a,%.lst,$(all_buildlib-y)))
|
||
|
|
|
||
|
|
# Avoid .o compile error affecting .i generation
|
||
|
|
lst_i_target := $(filter %.i, $(lst_target))
|
||
|
|
ifneq ($(lst_i_target),)
|
||
|
|
$(lst_i_target:.i=.o) : | $(lst_i_target)
|
||
|
|
endif
|
||
|
|
|
||
|
|
ifeq ($(COMPILE_ONLY),1)
|
||
|
|
submodgoals = $(call get_submodgoals,$@,$(SUBMODS))
|
||
|
|
endif
|
||
|
|
|
||
|
|
else # SUBMODS
|
||
|
|
|
||
|
|
buildsubdir-y := $(subdir-y)
|
||
|
|
buildextra-y := $(extra-y)
|
||
|
|
buildobj-y := $(obj-y)
|
||
|
|
buildlib-y := $(lib-y)
|
||
|
|
|
||
|
|
endif # SUBMODS
|
||
|
|
|
||
|
|
archive-src-target :=
|
||
|
|
archive-custom-target :=
|
||
|
|
ifeq ($(GEN_LIB),1)
|
||
|
|
archive-src-target := $(addprefix $(srctree)/$(src)/lib/,$(notdir $(archive-src-y)))
|
||
|
|
archive-src-target += $(archive-custom-valid)
|
||
|
|
archive-src-target := $(strip $(archive-src-target))
|
||
|
|
archive-custom-target := $(addprefix $(srctree)/$(src)/lib/,$(notdir $(archive-custom-valid)))
|
||
|
|
endif
|
||
|
|
|
||
|
|
__build: $(builtin-target) $(lib-target) $(buildextra-y) $(buildsubdir-y) $(lst_target) $(archive-src-target) $(archive-custom-target) $(always)
|
||
|
|
@:
|
||
|
|
|
||
|
|
# Compile C sources (.c)
|
||
|
|
# ---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
# Default is built-in, unless we know otherwise
|
||
|
|
quiet_modtag := $(empty) $(empty)
|
||
|
|
|
||
|
|
quiet_cmd_cc_dummy = CC $(quiet_modtag) $@
|
||
|
|
cmd_cc_dummy = $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -c -x c -o $@ $(devnull)
|
||
|
|
|
||
|
|
# For dummy object files. Recipe is: $(call if_changed,cc_dummy)
|
||
|
|
|
||
|
|
quiet_cmd_cc_s_c = CC $(quiet_modtag) $@
|
||
|
|
cmd_cc_s_c = $(CC) $(c_flags) $(DISABLE_LTO) -fverbose-asm -S -o $@ $<
|
||
|
|
|
||
|
|
$(obj)/%.s: $(src)/%.c FORCE
|
||
|
|
$(call if_changed_dep,cc_s_c)
|
||
|
|
|
||
|
|
quiet_cmd_cc_i_c = CPP $(quiet_modtag) $@
|
||
|
|
cmd_cc_i_c = $(CPP) $(c_flags) -o $@ $<
|
||
|
|
|
||
|
|
$(obj)/%.i: $(src)/%.c FORCE
|
||
|
|
$(call if_changed_dep,cc_i_c)
|
||
|
|
|
||
|
|
# C (.c) files
|
||
|
|
# The C file is compiled and updated dependency information is generated.
|
||
|
|
# (See cmd_cc_o_c + relevant part of rule_cc_o_c)
|
||
|
|
|
||
|
|
quiet_cmd_cc_o_c = CC $(quiet_modtag) $@
|
||
|
|
cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
|
||
|
|
|
||
|
|
define rule_cc_o_c
|
||
|
|
$(call echo-cmd,cc_o_c) $(cmd_cc_o_c)
|
||
|
|
endef
|
||
|
|
|
||
|
|
# Built-in and composite module parts
|
||
|
|
$(obj)/%.o: $(src)/%.c FORCE
|
||
|
|
$(call if_changed_rule,cc_o_c)
|
||
|
|
|
||
|
|
# Compile C++ sources (.cpp)
|
||
|
|
# ---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
quiet_cmd_cc_s_c++ = C++ $(quiet_modtag) $@
|
||
|
|
cmd_cc_s_c++ = $(CC) $(c++_flags) $(DISABLE_LTO) -fverbose-asm -S -o $@ $<
|
||
|
|
|
||
|
|
$(obj)/%.s: $(src)/%.cpp FORCE
|
||
|
|
$(call if_changed_dep,cc_s_c++)
|
||
|
|
|
||
|
|
$(obj)/%.s: $(src)/%.cc FORCE
|
||
|
|
$(call if_changed_dep,cc_s_c++)
|
||
|
|
|
||
|
|
quiet_cmd_cc_i_c++ = CPP $(quiet_modtag) $@
|
||
|
|
cmd_cc_i_c++ = $(CPP) $(c++_flags) -o $@ $<
|
||
|
|
|
||
|
|
$(obj)/%.i: $(src)/%.cpp FORCE
|
||
|
|
$(call if_changed_dep,cc_i_c++)
|
||
|
|
|
||
|
|
$(obj)/%.i: $(src)/%.cc FORCE
|
||
|
|
$(call if_changed_dep,cc_i_c++)
|
||
|
|
|
||
|
|
# C++ (.cpp) files
|
||
|
|
# The C++ file is compiled and updated dependency information is generated.
|
||
|
|
# (See cmd_cc_o_c++ + relevant part of rule_cc_o_c)
|
||
|
|
|
||
|
|
quiet_cmd_cc_o_c++ = C++ $(quiet_modtag) $@
|
||
|
|
cmd_cc_o_c++ = $(C++) $(c++_flags) -c -o $@ $<
|
||
|
|
|
||
|
|
define rule_cc_o_c++
|
||
|
|
$(call echo-cmd,cc_o_c++) $(cmd_cc_o_c++)
|
||
|
|
endef
|
||
|
|
|
||
|
|
# Built-in and composite module parts
|
||
|
|
$(obj)/%.o: $(src)/%.cpp FORCE
|
||
|
|
$(call if_changed_rule,cc_o_c++)
|
||
|
|
|
||
|
|
$(obj)/%.o: $(src)/%.cc FORCE
|
||
|
|
$(call if_changed_rule,cc_o_c++)
|
||
|
|
|
||
|
|
# Compile assembler sources (.S)
|
||
|
|
# ---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
quiet_cmd_as_s_S = CPP $(quiet_modtag) $@
|
||
|
|
cmd_as_s_S = $(CPP) $(a_cpp_flags) -o $@ $<
|
||
|
|
|
||
|
|
$(obj)/%.s: $(src)/%.S FORCE
|
||
|
|
$(call if_changed_dep,as_s_S)
|
||
|
|
|
||
|
|
quiet_cmd_as_o_S = AS $(quiet_modtag) $@
|
||
|
|
cmd_as_o_S = $(CC) $(a_flags) -c -o $@ $<
|
||
|
|
|
||
|
|
$(obj)/%.o: $(src)/%.S FORCE
|
||
|
|
$(call if_changed_dep,as_o_S)
|
||
|
|
|
||
|
|
targets += $(real-objs-y) $(real-objs-m) $(lib-y) $(lst_target)
|
||
|
|
targets += $(MAKECMDGOALS) $(always)
|
||
|
|
|
||
|
|
# Common list command
|
||
|
|
# ---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
quiet_cmd_dump_lst_o = MKLST $@
|
||
|
|
ifeq ($(TOOLCHAIN),armclang)
|
||
|
|
cmd_dump_lst_o = $(OBJDUMP) --datasymbols --text -c -d --interleave=source --output=$@ $<
|
||
|
|
else
|
||
|
|
cmd_dump_lst_o = $(OBJDUMP) -Sdlxr $< > $@
|
||
|
|
endif
|
||
|
|
|
||
|
|
lst-cmd = @$(call echo-cmd,dump_lst_o) $(cmd_dump_lst_o)
|
||
|
|
|
||
|
|
$(obj)/%.lst: $(obj)/%.o
|
||
|
|
$(call lst-cmd)
|
||
|
|
|
||
|
|
# Build the compiled-in targets
|
||
|
|
# ---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
# To build objects in subdirs, we need to descend into the directories
|
||
|
|
$(sort $(subdir-obj-y)): $(buildsubdir-y) ;
|
||
|
|
|
||
|
|
# Archive command
|
||
|
|
|
||
|
|
ifeq ($(TOOLCHAIN),armclang)
|
||
|
|
archive-cmd = $(AR) --create --debug_symbols $@ $(1)
|
||
|
|
else
|
||
|
|
ifeq ($(WIN_PLAT),y)
|
||
|
|
archive-cmd = ( ( echo create $@ && \
|
||
|
|
echo addmod $(subst $(space),$(comma),$(strip $(filter-out %.a,$(1)))) && \
|
||
|
|
$(foreach o,$(filter %.a,$(1)),echo addlib $o && ) \
|
||
|
|
echo save && \
|
||
|
|
echo end ) | $(AR) -M )
|
||
|
|
else
|
||
|
|
# Command "/bin/echo -e" cannot work on Apple Mac machines, so we use "/usr/bin/printf" instead
|
||
|
|
archive-cmd = ( /usr/bin/printf 'create $@\n\
|
||
|
|
addmod $(subst $(space),$(comma),$(strip $(filter-out %.a,$(1))))\n\
|
||
|
|
$(foreach o,$(filter %.a,$(1)),addlib $o\n)save\nend' | $(AR) -M )
|
||
|
|
endif
|
||
|
|
endif
|
||
|
|
|
||
|
|
# Archive check
|
||
|
|
|
||
|
|
ifeq ($(CHECK_LIB_SRC),1)
|
||
|
|
ifneq ($(archive-bin-y),)
|
||
|
|
$(info )
|
||
|
|
$(info Library source check OK: $(archive-bin-y))
|
||
|
|
$(info )
|
||
|
|
endif
|
||
|
|
|
||
|
|
ifneq ($(archive-src-y),)
|
||
|
|
$(info )
|
||
|
|
$(error Error: The source files exist for libraries: $(archive-src-y))
|
||
|
|
endif
|
||
|
|
endif
|
||
|
|
|
||
|
|
# Archive without source files
|
||
|
|
|
||
|
|
cmd_use_lib_file = $(call CMDCPFILE,$<,$@)
|
||
|
|
quiet_cmd_use_lib_file = USELIB $(@)
|
||
|
|
|
||
|
|
ifneq ($(archive-bin-y),)
|
||
|
|
|
||
|
|
ifeq ($(GEN_LIB),1)
|
||
|
|
$(info )
|
||
|
|
$(warning WARNING: No source files found for libraries: $(archive-bin-y))
|
||
|
|
$(info )
|
||
|
|
endif
|
||
|
|
|
||
|
|
$(archive-bin-y): $(obj)/%: $(srctree)/$(src)/lib/% FORCE
|
||
|
|
ifeq ($(FORCE_TO_USE_LIB),1)
|
||
|
|
$(call cmd,use_lib_file)
|
||
|
|
else
|
||
|
|
$(call if_changed,use_lib_file)
|
||
|
|
endif
|
||
|
|
|
||
|
|
targets += $(archive-bin-y)
|
||
|
|
|
||
|
|
endif # archive-bin-y
|
||
|
|
|
||
|
|
# Archive generation (with source files)
|
||
|
|
|
||
|
|
ifeq ($(GEN_LIB),1)
|
||
|
|
ifeq ($(FORCE_TO_USE_LIB),1)
|
||
|
|
$(error Conflicted options: GEN_LIB and FORCE_TO_USE_LIB)
|
||
|
|
endif
|
||
|
|
ifneq ($(archive-src-target),)
|
||
|
|
|
||
|
|
cmd_gen_lib_file = ( $(call create_dir,$(dir $(@))) ) && $(call archive-cmd,$(filter-out $(PHONY),$^))
|
||
|
|
quiet_cmd_gen_lib_file = GENLIB $(@)
|
||
|
|
|
||
|
|
define archive-src-target-rule
|
||
|
|
$(1): $(addprefix $(obj)/,$(patsubst %/,%/$(notdir $(builtin-target)),$($(notdir $(1:.a=-y)))))
|
||
|
|
endef
|
||
|
|
|
||
|
|
$(foreach m, $(archive-src-target), $(eval $(call archive-src-target-rule,$(m))))
|
||
|
|
|
||
|
|
$(archive-src-target): FORCE
|
||
|
|
ifeq ($(CHECK_GEN_LIB_DEP),1)
|
||
|
|
$(call if_changed,gen_lib_file)
|
||
|
|
else
|
||
|
|
# Always pack lib
|
||
|
|
$(call cmd,gen_lib_file)
|
||
|
|
endif
|
||
|
|
|
||
|
|
targets += $(archive-src-target)
|
||
|
|
|
||
|
|
endif # archive-src-y
|
||
|
|
endif # GEN_LIB
|
||
|
|
|
||
|
|
#
|
||
|
|
# Rule to compile a set of .o files into one .o/.a built-in file
|
||
|
|
#
|
||
|
|
ifdef builtin-target
|
||
|
|
|
||
|
|
ifeq ($(BUILT-IN-OBJ),1)
|
||
|
|
|
||
|
|
quiet_cmd_link_o_target = LD $@
|
||
|
|
# If the list of objects to link is empty, just create an empty built-in.o
|
||
|
|
ifeq ($(TOOLCHAIN),armclang)
|
||
|
|
cmd_link_o_target = $(if $(strip $(obj-y)),\
|
||
|
|
$(LD) -Wl$(comma)$(subst $(space),$(comma),$(strip $(ld_flags) --partial)) -nostdlib $(LINK_CFLAGS) -o $@ $(obj-y), \
|
||
|
|
$(call CMDRMFILE,$@) && $(AR) --create --debug_symbols $@)
|
||
|
|
else
|
||
|
|
cmd_link_o_target = $(if $(strip $(obj-y)),\
|
||
|
|
$(LD) -Wl$(comma)$(subst $(space),$(comma),$(strip $(ld_flags) -r)) -nostdlib -nostartfiles $(LINK_CFLAGS) -o $@ $(obj-y), \
|
||
|
|
$(call CMDRMFILE,$@) && $(AR) rcs$(KBUILD_ARFLAGS) $@)
|
||
|
|
endif
|
||
|
|
|
||
|
|
$(builtin-target): $(buildobj-y) FORCE
|
||
|
|
$(call if_changed,link_o_target)
|
||
|
|
|
||
|
|
else # BUILT-IN-OBJ
|
||
|
|
|
||
|
|
quiet_cmd_ar_o_target = AR $@
|
||
|
|
cmd_ar_o_target = $(call archive-cmd,$(obj-y))
|
||
|
|
|
||
|
|
$(builtin-target): $(buildobj-y) FORCE
|
||
|
|
$(call if_changed,ar_o_target)
|
||
|
|
|
||
|
|
endif # BUILT-IN-OBJ
|
||
|
|
|
||
|
|
targets += $(builtin-target)
|
||
|
|
|
||
|
|
$(obj)/built-in.lst: $(builtin-target)
|
||
|
|
$(call lst-cmd)
|
||
|
|
|
||
|
|
endif # builtin-target
|
||
|
|
|
||
|
|
#
|
||
|
|
# Rule to compile a set of .o files into one .a file
|
||
|
|
#
|
||
|
|
ifdef lib-target
|
||
|
|
|
||
|
|
quiet_cmd_link_l_target = AR $@
|
||
|
|
ifeq ($(TOOLCHAIN),armclang)
|
||
|
|
cmd_link_l_target = $(call CMDRMFILE,$@) && $(AR) --create --debug_symbols $@ $(lib-y)
|
||
|
|
else
|
||
|
|
cmd_link_l_target = $(call CMDRMFILE,$@) && $(AR) rcs$(KBUILD_ARFLAGS) $@ $(lib-y)
|
||
|
|
endif
|
||
|
|
|
||
|
|
$(lib-target): $(buildlib-y) FORCE
|
||
|
|
$(call if_changed,link_l_target)
|
||
|
|
|
||
|
|
targets += $(lib-target)
|
||
|
|
|
||
|
|
$(obj)/lib.lst: $(lib-target)
|
||
|
|
$(call lst-cmd)
|
||
|
|
|
||
|
|
endif
|
||
|
|
|
||
|
|
#
|
||
|
|
# Rule to link composite objects
|
||
|
|
#
|
||
|
|
# Composite objects are specified in kbuild makefile as follows:
|
||
|
|
# <composite-object>-objs := <list of .o files>
|
||
|
|
# or
|
||
|
|
# <composite-object>-y := <list of .o files>
|
||
|
|
link_multi_deps = \
|
||
|
|
$(filter $(addprefix $(obj)/, \
|
||
|
|
$($(subst $(obj)/,,$(@:.o=-objs))) \
|
||
|
|
$($(subst $(obj)/,,$(@:.o=-y)))), $^)
|
||
|
|
|
||
|
|
quiet_cmd_link_multi-y = LD $@
|
||
|
|
ifeq ($(TOOLCHAIN),armclang)
|
||
|
|
cmd_link_multi-y = $(LD) -Wl,$(subst $(space),$(comma),$(strip $(ld_flags) --partial)) -nostdlib $(LINK_CFLAGS) -o $@ $(link_multi_deps)
|
||
|
|
else
|
||
|
|
cmd_link_multi-y = $(LD) -Wl,$(subst $(space),$(comma),$(strip $(ld_flags) -r --whole-archive)) -nostdlib -nostartfiles $(LINK_CFLAGS) -o $@ $(link_multi_deps)
|
||
|
|
endif
|
||
|
|
|
||
|
|
$(multi-used-y): FORCE
|
||
|
|
$(call if_changed,link_multi-y)
|
||
|
|
$(call multi_depend, $(multi-used-y), .o, -objs -y)
|
||
|
|
|
||
|
|
targets += $(multi-used-y)
|
||
|
|
|
||
|
|
$(multi-used-y:.o=.lst): %.lst : %.o
|
||
|
|
$(call lst-cmd)
|
||
|
|
|
||
|
|
# Descending
|
||
|
|
# ---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
PHONY += $(subdir-y)
|
||
|
|
|
||
|
|
$(subdir-y):
|
||
|
|
$(Q)$(MAKE) $(build)=$@ $(submodgoals)
|
||
|
|
|
||
|
|
# Add FORCE to the prequisites of a target to force it to be always rebuilt.
|
||
|
|
# ---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
PHONY += FORCE
|
||
|
|
|
||
|
|
FORCE:
|
||
|
|
|
||
|
|
# Read all saved command lines and dependencies for the $(targets) we
|
||
|
|
# may be building above, using $(if_changed{,_dep}). As an
|
||
|
|
# optimization, we don't need to read them if the target does not
|
||
|
|
# exist, we will rebuild anyway in that case.
|
||
|
|
|
||
|
|
targets := $(wildcard $(sort $(targets)))
|
||
|
|
cmd_files := $(wildcard $(foreach f,$(targets),$(call get_depfile_name,$(f))))
|
||
|
|
|
||
|
|
ifneq ($(cmd_files),)
|
||
|
|
include $(cmd_files)
|
||
|
|
$(cmd_files): ;
|
||
|
|
endif
|
||
|
|
|
||
|
|
# Declare the contents of the .PHONY variable as phony. We keep that
|
||
|
|
# information in a variable se we can use it in if_changed and friends.
|
||
|
|
|
||
|
|
.PHONY: $(PHONY)
|
||
|
|
|
||
|
|
# Last-resort default rule for unknown targets
|
||
|
|
|
||
|
|
%::
|
||
|
|
@$(call echo-help,*** Error: No rule is defined for target: $@)
|
||
|
|
@exit 1
|
||
|
|
|