forked from freexperia/vendor_atheros_wlan
/
Makefile
177 lines (140 loc) · 5.42 KB
/
Makefile
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#############################################################
# Required variables for each makefile
# Discard this section from all parent makefiles
# Expected variables (with automatic defaults):
# CSRCS (all "C" files in the dir)
# SUBDIRS (all subdirs with a Makefile)
# GEN_LIBS - list of libs to be generated ()
# GEN_IMAGES - list of images to be generated ()
# COMPONENTS_xxx - a list of libs/objs in the form
# subdir/lib to be extracted and rolled up into
# a generated lib/image xxx.a ()
# DEPENDS_xxx - a list of explicit dependencies
# TARGET - platform name
#
ifndef PDIR
SUBDIRS = target host
endif
#############################################################
# Configuration i.e. compile options etc.
# Target specific stuff (defines etc.) goes in here!
# Generally values applying to a tree are captured in the
# makefile at its root level - these are then overridden
# for a subtree within the makefile rooted therein
#
#############################################################
# Computed variables
# Should be done in top-level makefile only
#
CSRCS ?= $(wildcard *.c)
ASRCs ?= $(wildcard *.s)
ASRCS ?= $(wildcard *.S)
SUBDIRS ?= $(patsubst %/,%,$(dir $(wildcard */Makefile)))
ODIR := .output
OBJODIR := $(ODIR)/$(TARGET)/$(FLAVOR)/obj
OBJS := $(CSRCS:%.c=$(OBJODIR)/%.o) \
$(ASRCs:%.s=$(OBJODIR)/%.o) \
$(ASRCS:%.S=$(OBJODIR)/%.o)
DEPS := $(CSRCS:%.c=$(OBJODIR)/%.d) \
$(ASRCs:%.s=$(OBJODIR)/%.d) \
$(ASRCS:%.S=$(OBJODIR)/%.d)
LIBODIR := $(ODIR)/$(TARGET)/$(FLAVOR)/lib
OLIBS := $(GEN_LIBS:%=$(LIBODIR)/%)
IMAGEODIR := $(ODIR)/$(TARGET)/$(FLAVOR)/image
OIMAGES := $(GEN_IMAGES:%=$(IMAGEODIR)/%)
BINODIR := $(ODIR)/$(TARGET)/$(FLAVOR)/bin
OBINS := $(GEN_BINS:%=$(BINODIR)/%)
CFLAGS = $(COPTS) $(DEFINES) $(INCLUDES)
DFLAGS = $(DOPTS) $(DDEFINES) $(INCLUDES)
EXTRACT_DIR = $(ODIR)/$(TARGET)/$(FLAVOR)/.extract
UP_EXTRACT_DIR = ../../../..
#############################################################
# Functions
#
define ShortcutRule
$(1): $(2)/$(1)
endef
define MakeLibrary
DEP_LIBS_$(1) = $$(foreach lib,$$(filter %.a,$$(COMPONENTS_$(1))),$$(dir $$(lib))$$(LIBODIR)/$$(notdir $$(lib)))
DEP_OBJS_$(1) = $$(foreach obj,$$(filter %.o,$$(COMPONENTS_$(1))),$$(dir $$(obj))$$(OBJODIR)/$$(notdir $$(obj)))
$$(LIBODIR)/$(1).a: $$(OBJS) $$(DEP_OBJS_$(1)) $$(DEP_LIBS_$(1)) $$(DEPENDS_$(1))
@mkdir -p $$(LIBODIR)
$$(if $$(filter %.a,$$?),mkdir -p $$(EXTRACT_DIR)_$(1))
$$(if $$(filter %.a,$$?),cd $$(EXTRACT_DIR)_$(1); $$(foreach lib,$$(filter %.a,$$?),$$(AR) xo $$(UP_EXTRACT_DIR)/$$(lib);))
$$(AR) ru $$@ $$(filter %.o,$$?) $$(if $$(filter %.a,$$?),$$(EXTRACT_DIR)_$(1)/*.o)
$$(if $$(filter %.a,$$?),$$(RM) -r $$(EXTRACT_DIR)_$(1))
endef
define MakeImage
DEP_LIBS_$(1) = $$(foreach lib,$$(filter %.a,$$(COMPONENTS_$(1))),$$(dir $$(lib))$$(LIBODIR)/$$(notdir $$(lib)))
DEP_OBJS_$(1) = $$(foreach obj,$$(filter %.o,$$(COMPONENTS_$(1))),$$(dir $$(obj))$$(OBJODIR)/$$(notdir $$(obj)))
$$(IMAGEODIR)/$(1).out: $$(OBJS) $$(DEP_OBJS_$(1)) $$(DEP_LIBS_$(1)) $$(DEPENDS_$(1))
@mkdir -p $$(IMAGEODIR)
$$(CC) $$(LDFLAGS) $$(if $$(LINKFLAGS_$(1)),$$(LINKFLAGS_$(1)),$$(LINKFLAGS_DEFAULT) $$(OBJS) $$(DEP_OBJS_$(1)) $$(DEP_LIBS_$(1))) -o $$@
endef
#############################################################
# Rules base
# Should be done in top-level makefile only
#
all: .subdirs $(OBJS) $(OLIBS) $(OIMAGES) $(OBINS) $(SPECIAL_MKTARGS)
clean:
$(foreach d, $(SUBDIRS), $(MAKE) -C $(d) clean;)
$(RM) -r $(ODIR)/$(TARGET)/$(FLAVOR)
clobber: $(SPECIAL_CLOBBER)
$(foreach d, $(SUBDIRS), $(MAKE) -C $(d) clobber;)
$(RM) -r $(ODIR)
.subdirs:
@set -e; $(foreach d, $(SUBDIRS), $(MAKE) -C $(d);)
ifneq ($(MAKECMDGOALS),clean)
ifneq ($(MAKECMDGOALS),clobber)
ifdef DEPS
sinclude $(DEPS)
endif
endif
endif
$(OBJODIR)/%.o: %.c
@mkdir -p $(OBJODIR);
$(CC) $(if $(findstring $<,$(DSRCS)),$(DFLAGS),$(CFLAGS)) $(COPTS_$(*F)) -o $@ -c $<
$(OBJODIR)/%.d: %.c
@mkdir -p $(OBJODIR);
@echo DEPEND: $(CC) -M $(CFLAGS) $<
@set -e; rm -f $@; \
$(CC) -M $(CFLAGS) $< > $@.$$$$; \
sed 's,\($*\.o\)[ :]*,$(OBJODIR)/\1 $@ : ,g' < $@.$$$$ > $@; \
rm -f $@.$$$$
$(OBJODIR)/%.o: %.s
@mkdir -p $(OBJODIR);
$(CC) $(CFLAGS) -o $@ -c $<
$(OBJODIR)/%.d: %.s
@mkdir -p $(OBJODIR); \
set -e; rm -f $@; \
$(CC) -M $(CFLAGS) $< > $@.$$$$; \
sed 's,\($*\.o\)[ :]*,$(OBJODIR)/\1 $@ : ,g' < $@.$$$$ > $@; \
rm -f $@.$$$$
$(OBJODIR)/%.o: %.S
@mkdir -p $(OBJODIR);
$(CC) $(CFLAGS) -D__ASSEMBLER__ -o $@ -c $<
$(OBJODIR)/%.d: %.S
@mkdir -p $(OBJODIR); \
set -e; rm -f $@; \
$(CC) -M $(CFLAGS) $< > $@.$$$$; \
sed 's,\($*\.o\)[ :]*,$(OBJODIR)/\1 $@ : ,g' < $@.$$$$ > $@; \
rm -f $@.$$$$
$(foreach lib,$(GEN_LIBS),$(eval $(call ShortcutRule,$(lib),$(LIBODIR))))
$(foreach image,$(GEN_IMAGES),$(eval $(call ShortcutRule,$(image),$(IMAGEODIR))))
$(foreach bin,$(GEN_BINS),$(eval $(call ShortcutRule,$(bin),$(BINODIR))))
$(foreach lib,$(GEN_LIBS),$(eval $(call MakeLibrary,$(basename $(lib)))))
$(foreach image,$(GEN_IMAGES),$(eval $(call MakeImage,$(basename $(image)))))
#############################################################
# Recursion Magic - Don't touch this!!
#
# Each subtree potentially has an include directory
# corresponding to the common APIs applicable to modules
# rooted at that subtree. Accordingly, the INCLUDE PATH
# of a module can only contain the include directories up
# its parent path, and not its siblings
#
# Required for each makefile to inherit from the parent
#
INCLUDES := $(INCLUDES) -I $(PDIR)include
PDIR := ../$(PDIR)
sinclude $(PDIR)Makefile