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Diffstat (limited to 'scripts/Makefile.build.tmp')
-rw-r--r-- | scripts/Makefile.build.tmp | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/scripts/Makefile.build.tmp b/scripts/Makefile.build.tmp new file mode 100644 index 0000000..52a44ff --- /dev/null +++ b/scripts/Makefile.build.tmp @@ -0,0 +1,127 @@ +# our default target +.PHONY: all +all: + +ifeq ($(CONFIG_TPL_BUILD),y) + src := $(patsubst tpl/%,%,$(obj)) +else + ifeq ($(CONFIG_SPL_BUILD),y) + src := $(patsubst spl/%,%,$(obj)) + else + src := $(obj) + endif +endif + +include $(srctree)/scripts/Kbuild.include +include $(srctree)/config.mk + +# variable LIB is used in examples/standalone/Makefile +__LIB := $(obj)/built-in.o +LIBGCC = $(obj)/libgcc.o +SRCS := +subdir-y := +obj-dirs := + +kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src)) +include $(kbuild-dir)/Makefile + +# Do not include host rules unless needed +ifneq ($(hostprogs-y)$(hostprogs-m),) +include $(SRCTREE)/scripts/Makefile.host.tmp +endif + +# Going forward use the following +obj-y := $(sort $(obj-y)) +extra-y := $(sort $(extra-y)) +always := $(sort $(always)) +lib-y := $(sort $(lib-y)) + +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)) + +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) + +SRCS := $(addprefix $(if $(KBUILD_SRC),$(srctree)/$(src)/,$(src)/),$(SRCS)) +SRCS := $(wildcard $(SRCS)) + +OBJS := $(addprefix $(obj)/,$(obj-y)) + +# $(obj-dirs) is a list of directories that contain object files + +obj-dirs += $(dir $(OBJS)) + +_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))) + +LGOBJS := $(addprefix $(obj)/,$(sort $(lib-y))) + +all: $(__LIB) $(addprefix $(obj)/,$(extra-y) $(always)) $(subdir-y) + +$(__LIB): $(obj)/.depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +ifneq ($(strip $(lib-y)),) +all: $(LIBGCC) + +$(LIBGCC): $(obj)/.depend $(LGOBJS) + $(call cmd_link_o_target, $(LGOBJS)) +endif + +ifneq ($(subdir-obj-y),) +# Descending +$(subdir-obj-y): $(subdir-y) +endif + +ifneq ($(subdir-y),) +$(subdir-y): FORCE + $(MAKE) $(build)=$(obj)/$@ +endif + +######################################################################### + +# 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) + +# 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) $< +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 + +# 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 $@ ) + +######################################################################### + +# defines $(obj)/.depend target + +include $(TOPDIR)/rules.mk + +sinclude $(obj)/.depend + +######################################################################### + +.PHONY: FORCE |