-# our default target
-.PHONY: all
-all:
+# ==========================================================================
+# Building
+# ==========================================================================
+# Modified for U-Boot
ifeq ($(CONFIG_TPL_BUILD),y)
src := $(patsubst tpl/%,%,$(obj))
else
endif
endif
-include $(srctree)/scripts/Kbuild.include
-include $(srctree)/config.mk
+PHONY := __build
+__build:
-# variable LIB is used in examples/standalone/Makefile
-__LIB := $(obj)/built-in.o
-LIBGCC = $(obj)/libgcc.o
-SRCS :=
+# Init all relevant variables used in kbuild files so
+# 1) they have correct type
+# 2) they do not inherit any value from the environment
+obj-y :=
+obj-m :=
+lib-y :=
+lib-m :=
+always :=
+targets :=
subdir-y :=
-obj-dirs :=
+subdir-m :=
+EXTRA_AFLAGS :=
+EXTRA_CFLAGS :=
+EXTRA_CPPFLAGS :=
+EXTRA_LDFLAGS :=
+asflags-y :=
+ccflags-y :=
+cppflags-y :=
+ldflags-y :=
+subdir-asflags-y :=
+subdir-ccflags-y :=
+
+# Read auto.conf if it exists, otherwise ignore
+-include include/config/auto.conf
+
+# Added for U-Boot: Load U-Boot configuration
+ifeq ($(CONFIG_TPL_BUILD),y)
+ -include include/tpl-autoconf.mk
+else
+ ifeq ($(CONFIG_SPL_BUILD),y)
+ -include include/spl-autoconf.mk
+ else
+ -include include/autoconf.mk
+ endif
+endif
+
+include scripts/Kbuild.include
+
+# For backward compatibility check that these variables do not change
+save-cflags := $(CFLAGS)
+
+# The filename Kbuild has precedence over Makefile
kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
-include $(kbuild-dir)/Makefile
+kbuild-file := $(if $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Kbuild,$(kbuild-dir)/Makefile)
+include $(kbuild-file)
-# Do not include host rules unless needed
-ifneq ($(hostprogs-y)$(hostprogs-m),)
-include $(SRCTREE)/scripts/Makefile.host.tmp
+# Added for U-Boot
+asflags-y += $(PLATFORM_CPPFLAGS)
+ccflags-y += $(PLATFORM_CPPFLAGS)
+cppflags-y += $(PLATFORM_CPPFLAGS)
+
+# If the save-* variables changed error out
+ifeq ($(KBUILD_NOPEDANTIC),)
+ ifneq ("$(save-cflags)","$(CFLAGS)")
+ $(error CFLAGS was changed in "$(kbuild-file)". Fix it to use ccflags-y)
+ endif
endif
-# Going forward use the following
-obj-y := $(sort $(obj-y))
-extra-y := $(sort $(extra-y))
-always := $(sort $(always))
-lib-y := $(sort $(lib-y))
+#
+# make W=... settings
+#
+# W=1 - warnings that may be relevant and does not occur too often
+# W=2 - warnings that occur quite often but may still be relevant
+# W=3 - the more obscure warnings, can most likely be ignored
+#
+# $(call cc-option, -W...) handles gcc -W.. options which
+# are not supported by all versions of the compiler
+ifdef KBUILD_ENABLE_EXTRA_GCC_CHECKS
+warning- := $(empty)
+
+warning-1 := -Wextra -Wunused -Wno-unused-parameter
+warning-1 += -Wmissing-declarations
+warning-1 += -Wmissing-format-attribute
+warning-1 += -Wmissing-prototypes
+warning-1 += -Wold-style-definition
+warning-1 += $(call cc-option, -Wmissing-include-dirs)
+warning-1 += $(call cc-option, -Wunused-but-set-variable)
+warning-1 += $(call cc-disable-warning, missing-field-initializers)
-subdir-y += $(patsubst %/,%,$(filter %/, $(obj-y)))
-obj-y := $(patsubst %/, %/built-in.o, $(obj-y))
-subdir-obj-y := $(filter %/built-in.o, $(obj-y))
-subdir-obj-y := $(addprefix $(obj)/,$(subdir-obj-y))
+warning-2 := -Waggregate-return
+warning-2 += -Wcast-align
+warning-2 += -Wdisabled-optimization
+warning-2 += -Wnested-externs
+warning-2 += -Wshadow
+warning-2 += $(call cc-option, -Wlogical-op)
+warning-2 += $(call cc-option, -Wmissing-field-initializers)
-SRCS += $(obj-y:.o=.c) $(obj-y:.o=.S) $(lib-y:.o=.c) \
- $(lib-y:.o=.S) $(extra-y:.o=.c) $(extra-y:.o=.S)
+warning-3 := -Wbad-function-cast
+warning-3 += -Wcast-qual
+warning-3 += -Wconversion
+warning-3 += -Wpacked
+warning-3 += -Wpadded
+warning-3 += -Wpointer-arith
+warning-3 += -Wredundant-decls
+warning-3 += -Wswitch-default
+warning-3 += $(call cc-option, -Wpacked-bitfield-compat)
+warning-3 += $(call cc-option, -Wvla)
+
+warning := $(warning-$(findstring 1, $(KBUILD_ENABLE_EXTRA_GCC_CHECKS)))
+warning += $(warning-$(findstring 2, $(KBUILD_ENABLE_EXTRA_GCC_CHECKS)))
+warning += $(warning-$(findstring 3, $(KBUILD_ENABLE_EXTRA_GCC_CHECKS)))
+
+ifeq ("$(strip $(warning))","")
+ $(error W=$(KBUILD_ENABLE_EXTRA_GCC_CHECKS) is unknown)
+endif
-SRCS := $(addprefix $(if $(KBUILD_SRC),$(srctree)/$(src)/,$(src)/),$(SRCS))
-SRCS := $(wildcard $(SRCS))
+KBUILD_CFLAGS += $(warning)
+endif
-OBJS := $(addprefix $(obj)/,$(obj-y))
+include scripts/Makefile.lib
-# $(obj-dirs) is a list of directories that contain object files
+ifdef host-progs
+ifneq ($(hostprogs-y),$(host-progs))
+$(warning kbuild: $(obj)/Makefile - Usage of host-progs is deprecated. Please replace with hostprogs-y!)
+hostprogs-y += $(host-progs)
+endif
+endif
-obj-dirs += $(dir $(OBJS))
+# Do not include host rules unless needed
+ifneq ($(hostprogs-y)$(hostprogs-m),)
+include scripts/Makefile.host
+endif
+# Uncommented for U-Boot
+# We need to create output dicrectory for SPL and TPL even for in-tree build
+#ifneq ($(KBUILD_SRC),)
+# Create output directory if not already present
_dummy := $(shell [ -d $(obj) ] || mkdir -p $(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 [ -d $(d) ] || mkdir -p $(d)))
+#endif
-LGOBJS := $(addprefix $(obj)/,$(sort $(lib-y)))
-
-all: $(__LIB) $(addprefix $(obj)/,$(extra-y) $(always)) $(subdir-y)
+ifndef obj
+$(warning kbuild: Makefile.build is included improperly)
+endif
-$(__LIB): $(obj)/.depend $(OBJS)
- $(call cmd_link_o_target, $(OBJS))
+# ===========================================================================
-ifneq ($(strip $(lib-y)),)
-all: $(LIBGCC)
+ifneq ($(strip $(lib-y) $(lib-m) $(lib-n) $(lib-)),)
+lib-target := $(obj)/lib.a
+endif
-$(LIBGCC): $(obj)/.depend $(LGOBJS)
- $(call cmd_link_o_target, $(LGOBJS))
+ifneq ($(strip $(obj-y) $(obj-m) $(obj-n) $(obj-) $(subdir-m) $(lib-target)),)
+builtin-target := $(obj)/built-in.o
endif
-ifneq ($(subdir-obj-y),)
-# Descending
-$(subdir-obj-y): $(subdir-y)
+modorder-target := $(obj)/modules.order
+
+# We keep a list of all modules in $(MODVERDIR)
+
+__build: $(if $(KBUILD_BUILTIN),$(builtin-target) $(lib-target) $(extra-y)) \
+ $(if $(KBUILD_MODULES),$(obj-m) $(modorder-target)) \
+ $(subdir-ym) $(always)
+ @:
+
+# Linus' kernel sanity checking tool
+ifneq ($(KBUILD_CHECKSRC),0)
+ ifeq ($(KBUILD_CHECKSRC),2)
+ quiet_cmd_force_checksrc = CHECK $<
+ cmd_force_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< ;
+ else
+ quiet_cmd_checksrc = CHECK $<
+ cmd_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< ;
+ endif
endif
-ifneq ($(subdir-y),)
-$(subdir-y): FORCE
- $(MAKE) $(build)=$(obj)/$@
+# Do section mismatch analysis for each module/built-in.o
+ifdef CONFIG_DEBUG_SECTION_MISMATCH
+ cmd_secanalysis = ; scripts/mod/modpost $@
endif
-#########################################################################
+# Compile C sources (.c)
+# ---------------------------------------------------------------------------
+
+# Default is built-in, unless we know otherwise
+modkern_cflags = \
+ $(if $(part-of-module), \
+ $(KBUILD_CFLAGS_MODULE) $(CFLAGS_MODULE), \
+ $(KBUILD_CFLAGS_KERNEL) $(CFLAGS_KERNEL))
+quiet_modtag := $(empty) $(empty)
+
+$(real-objs-m) : part-of-module := y
+$(real-objs-m:.o=.i) : part-of-module := y
+$(real-objs-m:.o=.s) : part-of-module := y
+$(real-objs-m:.o=.lst): part-of-module := y
+
+$(real-objs-m) : quiet_modtag := [M]
+$(real-objs-m:.o=.i) : quiet_modtag := [M]
+$(real-objs-m:.o=.s) : quiet_modtag := [M]
+$(real-objs-m:.o=.lst): quiet_modtag := [M]
+
+$(obj-m) : quiet_modtag := [M]
+
+# Default for not multi-part modules
+modname = $(basetarget)
+
+$(multi-objs-m) : modname = $(modname-multi)
+$(multi-objs-m:.o=.i) : modname = $(modname-multi)
+$(multi-objs-m:.o=.s) : modname = $(modname-multi)
+$(multi-objs-m:.o=.lst) : modname = $(modname-multi)
+$(multi-objs-y) : modname = $(modname-multi)
+$(multi-objs-y:.o=.i) : modname = $(modname-multi)
+$(multi-objs-y:.o=.s) : modname = $(modname-multi)
+$(multi-objs-y:.o=.lst) : modname = $(modname-multi)
+
+quiet_cmd_cc_s_c = CC $(quiet_modtag) $@
+cmd_cc_s_c = $(CC) $(c_flags) -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)
+
+cmd_gensymtypes = \
+ $(CPP) -D__GENKSYMS__ $(c_flags) $< | \
+ $(GENKSYMS) $(if $(1), -T $(2)) \
+ $(patsubst y,-s _,$(CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX)) \
+ $(if $(KBUILD_PRESERVE),-p) \
+ -r $(firstword $(wildcard $(2:.symtypes=.symref) /dev/null))
+
+quiet_cmd_cc_symtypes_c = SYM $(quiet_modtag) $@
+cmd_cc_symtypes_c = \
+ set -e; \
+ $(call cmd_gensymtypes,true,$@) >/dev/null; \
+ test -s $@ || rm -f $@
+
+$(obj)/%.symtypes : $(src)/%.c FORCE
+ $(call cmd,cc_symtypes_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) $@
-# Allow boards to use custom optimize flags on a per dir/file basis
-ALL_AFLAGS = $(AFLAGS) $(AFLAGS_$(BCURDIR)/$(@F)) $(AFLAGS_$(BCURDIR))
-ALL_CFLAGS = $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR))
-EXTRA_CPPFLAGS = $(CPPFLAGS_$(BCURDIR)/$(@F)) $(CPPFLAGS_$(BCURDIR))
-ALL_CFLAGS += $(EXTRA_CPPFLAGS)
+ifndef CONFIG_MODVERSIONS
+cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
-# The _DEP version uses the $< file target (for dependency generation)
-# See rules.mk
-EXTRA_CPPFLAGS_DEP = $(CPPFLAGS_$(BCURDIR)/$(addsuffix .o,$(basename $<))) \
- $(CPPFLAGS_$(BCURDIR))
-$(obj)/%.s: $(src)/%.S
- $(CPP) $(ALL_AFLAGS) -o $@ $<
-$(obj)/%.o: $(src)/%.S
- $(CC) $(ALL_AFLAGS) -o $@ $< -c
-$(obj)/%.o: $(src)/%.c
-ifneq ($(CHECKSRC),0)
- $(CHECK) $(CHECKFLAGS) $(ALL_CFLAGS) $<
+else
+# When module versioning is enabled the following steps are executed:
+# o compile a .tmp_<file>.o from <file>.c
+# o if .tmp_<file>.o doesn't contain a __ksymtab version, i.e. does
+# not export symbols, we just rename .tmp_<file>.o to <file>.o and
+# are done.
+# o otherwise, we calculate symbol versions using the good old
+# genksyms on the preprocessed source and postprocess them in a way
+# that they are usable as a linker script
+# o generate <file>.o from .tmp_<file>.o using the linker to
+# replace the unresolved symbols __crc_exported_symbol with
+# the actual value of the checksum generated by genksyms
+
+cmd_cc_o_c = $(CC) $(c_flags) -c -o $(@D)/.tmp_$(@F) $<
+cmd_modversions = \
+ if $(OBJDUMP) -h $(@D)/.tmp_$(@F) | grep -q __ksymtab; then \
+ $(call cmd_gensymtypes,$(KBUILD_SYMTYPES),$(@:.o=.symtypes)) \
+ > $(@D)/.tmp_$(@F:.o=.ver); \
+ \
+ $(LD) $(LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) \
+ -T $(@D)/.tmp_$(@F:.o=.ver); \
+ rm -f $(@D)/.tmp_$(@F) $(@D)/.tmp_$(@F:.o=.ver); \
+ else \
+ mv -f $(@D)/.tmp_$(@F) $@; \
+ fi;
+endif
+
+ifdef CONFIG_FTRACE_MCOUNT_RECORD
+ifdef BUILD_C_RECORDMCOUNT
+ifeq ("$(origin RECORDMCOUNT_WARN)", "command line")
+ RECORDMCOUNT_FLAGS = -w
+endif
+# Due to recursion, we must skip empty.o.
+# The empty.o file is created in the make process in order to determine
+# the target endianness and word size. It is made before all other C
+# files, including recordmcount.
+sub_cmd_record_mcount = \
+ if [ $(@) != "scripts/mod/empty.o" ]; then \
+ $(objtree)/scripts/recordmcount $(RECORDMCOUNT_FLAGS) "$(@)"; \
+ fi;
+recordmcount_source := $(srctree)/scripts/recordmcount.c \
+ $(srctree)/scripts/recordmcount.h
+else
+sub_cmd_record_mcount = set -e ; perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \
+ "$(if $(CONFIG_CPU_BIG_ENDIAN),big,little)" \
+ "$(if $(CONFIG_64BIT),64,32)" \
+ "$(OBJDUMP)" "$(OBJCOPY)" "$(CC) $(KBUILD_CFLAGS)" \
+ "$(LD)" "$(NM)" "$(RM)" "$(MV)" \
+ "$(if $(part-of-module),1,0)" "$(@)";
+recordmcount_source := $(srctree)/scripts/recordmcount.pl
endif
- $(CC) $(ALL_CFLAGS) -o $@ $< -c
-$(obj)/%.i: $(src)/%.c
- $(CPP) $(ALL_CFLAGS) -o $@ $< -c
-$(obj)/%.s: $(src)/%.c
- $(CC) $(ALL_CFLAGS) -o $@ $< -c -S
+cmd_record_mcount = \
+ if [ "$(findstring -pg,$(_c_flags))" = "-pg" ]; then \
+ $(sub_cmd_record_mcount) \
+ fi;
+endif
+
+define rule_cc_o_c
+ $(call echo-cmd,checksrc) $(cmd_checksrc) \
+ $(call echo-cmd,cc_o_c) $(cmd_cc_o_c); \
+ $(cmd_modversions) \
+ $(call echo-cmd,record_mcount) \
+ $(cmd_record_mcount) \
+ scripts/basic/fixdep $(depfile) $@ '$(call make-cmd,cc_o_c)' > \
+ $(dot-target).tmp; \
+ rm -f $(depfile); \
+ mv -f $(dot-target).tmp $(dot-target).cmd
+endef
+
+# Built-in and composite module parts
+$(obj)/%.o: $(src)/%.c $(recordmcount_source) FORCE
+ $(call cmd,force_checksrc)
+ $(call if_changed_rule,cc_o_c)
+
+# Single-part modules are special since we need to mark them in $(MODVERDIR)
+
+$(single-used-m): $(obj)/%.o: $(src)/%.c $(recordmcount_source) FORCE
+ $(call cmd,force_checksrc)
+ $(call if_changed_rule,cc_o_c)
+ @{ echo $(@:.o=.ko); echo $@; } > $(MODVERDIR)/$(@F:.o=.mod)
+
+quiet_cmd_cc_lst_c = MKLST $@
+ cmd_cc_lst_c = $(CC) $(c_flags) -g -c -o $*.o $< && \
+ $(CONFIG_SHELL) $(srctree)/scripts/makelst $*.o \
+ System.map $(OBJDUMP) > $@
+
+$(obj)/%.lst: $(src)/%.c FORCE
+ $(call if_changed_dep,cc_lst_c)
+
+# Compile assembler sources (.S)
+# ---------------------------------------------------------------------------
+
+modkern_aflags := $(KBUILD_AFLAGS_KERNEL) $(AFLAGS_KERNEL)
+
+$(real-objs-m) : modkern_aflags := $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE)
+$(real-objs-m:.o=.s): modkern_aflags := $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE)
+
+quiet_cmd_as_s_S = CPP $(quiet_modtag) $@
+cmd_as_s_S = $(CPP) $(a_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)
+targets += $(extra-y) $(MAKECMDGOALS) $(always)
+
+# Linker scripts preprocessor (.lds.S -> .lds)
+# ---------------------------------------------------------------------------
+quiet_cmd_cpp_lds_S = LDS $@
+ cmd_cpp_lds_S = $(CPP) $(cpp_flags) -P -C -U$(ARCH) \
+ -D__ASSEMBLY__ -DLINKER_SCRIPT -o $@ $<
+
+$(obj)/%.lds: $(src)/%.lds.S FORCE
+ $(call if_changed_dep,cpp_lds_S)
+
+# ASN.1 grammar
+# ---------------------------------------------------------------------------
+quiet_cmd_asn1_compiler = ASN.1 $@
+ cmd_asn1_compiler = $(objtree)/scripts/asn1_compiler $< \
+ $(subst .h,.c,$@) $(subst .c,.h,$@)
+.PRECIOUS: $(objtree)/$(obj)/%-asn1.c $(objtree)/$(obj)/%-asn1.h
+
+$(obj)/%-asn1.c $(obj)/%-asn1.h: $(src)/%.asn1 $(objtree)/scripts/asn1_compiler
+ $(call cmd,asn1_compiler)
+
+# Build the compiled-in targets
+# ---------------------------------------------------------------------------
+
+# To build objects in subdirs, we need to descend into the directories
+$(sort $(subdir-obj-y)): $(subdir-ym) ;
+
+#
+# Rule to compile a set of .o files into one .o file
+#
+ifdef builtin-target
+quiet_cmd_link_o_target = LD $@
# If the list of objects to link is empty, just create an empty built-in.o
-cmd_link_o_target = $(if $(strip $1),\
- $(LD) $(LDFLAGS) -r -o $@ $1,\
- rm -f $@; $(AR) rcs $@ )
+cmd_link_o_target = $(if $(strip $(obj-y)),\
+ $(LD) $(ld_flags) -r -o $@ $(filter $(obj-y), $^) \
+ $(cmd_secanalysis),\
+ rm -f $@; $(AR) rcs$(KBUILD_ARFLAGS) $@)
+
+$(builtin-target): $(obj-y) FORCE
+ $(call if_changed,link_o_target)
+
+targets += $(builtin-target)
+endif # builtin-target
+
+#
+# Rule to create modules.order file
+#
+# Create commands to either record .ko file or cat modules.order from
+# a subdirectory
+modorder-cmds = \
+ $(foreach m, $(modorder), \
+ $(if $(filter %/modules.order, $m), \
+ cat $m;, echo kernel/$m;))
+
+$(modorder-target): $(subdir-ym) FORCE
+ $(Q)(cat /dev/null; $(modorder-cmds)) > $@
+
+#
+# Rule to compile a set of .o files into one .a file
+#
+ifdef lib-target
+quiet_cmd_link_l_target = AR $@
+cmd_link_l_target = rm -f $@; $(AR) rcs$(KBUILD_ARFLAGS) $@ $(lib-y)
+
+$(lib-target): $(lib-y) FORCE
+ $(call if_changed,link_l_target)
+
+targets += $(lib-target)
+endif
-#########################################################################
+#
+# Rule to link composite objects
+#
+# Composite objects are specified in kbuild makefile as follows:
+# <composite-object>-objs := <list of .o files>
+# or
+# <composite-object>-y := <list of .o files>
+link_multi_deps = \
+$(filter $(addprefix $(obj)/, \
+$($(subst $(obj)/,,$(@:.o=-objs))) \
+$($(subst $(obj)/,,$(@:.o=-y)))), $^)
+
+quiet_cmd_link_multi-y = LD $@
+cmd_link_multi-y = $(LD) $(ld_flags) -r -o $@ $(link_multi_deps) $(cmd_secanalysis)
-# defines $(obj)/.depend target
+quiet_cmd_link_multi-m = LD [M] $@
+cmd_link_multi-m = $(cmd_link_multi-y)
-include $(TOPDIR)/rules.mk
+# We would rather have a list of rules like
+# foo.o: $(foo-objs)
+# but that's not so easy, so we rather make all composite objects depend
+# on the set of all their parts
+$(multi-used-y) : %.o: $(multi-objs-y) FORCE
+ $(call if_changed,link_multi-y)
-sinclude $(obj)/.depend
+$(multi-used-m) : %.o: $(multi-objs-m) FORCE
+ $(call if_changed,link_multi-m)
+ @{ echo $(@:.o=.ko); echo $(link_multi_deps); } > $(MODVERDIR)/$(@F:.o=.mod)
+
+targets += $(multi-used-y) $(multi-used-m)
+
+
+# Descending
+# ---------------------------------------------------------------------------
+
+PHONY += $(subdir-ym)
+$(subdir-ym):
+ $(Q)$(MAKE) $(build)=$@
+
+# 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),$(dir $(f)).$(notdir $(f)).cmd))
+
+ifneq ($(cmd_files),)
+ include $(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: FORCE
+.PHONY: $(PHONY)
projects / karo-tx-uboot.git / blobdiff