export KCONFIG_AUTOHEADER := $(obj)/config.h
export KCONFIG_AUTOCONFIG := $(obj)/auto.conf
+# directory containing the toplevel Makefile.inc
+TOPLEVEL := .
+
CONFIG_SHELL := sh
KBUILD_DEFCONFIG := configs/defconfig
UNAME_RELEASE := $(shell uname -r)
endif
endif
-CPP:= $(CC) -x assembler-with-cpp -DASSEMBLY -E
HOSTCC = gcc
HOSTCXX = g++
HOSTCFLAGS := -I$(srck) -I$(objk) -g
all: real-all
-# This include must come _before_ he pattern rules below!
+# This include must come _before_ the pattern rules below!
# Order _does_ matter for pattern rules.
-include Makefile.inc
include util/kconfig/Makefile
# Three cases where we don't need fully populated $(obj) lists:
endif
ifeq ($(NOCOMPILE),1)
+include $(TOPLEVEL)/Makefile.inc
real-all: config
else
endif
ifeq ($(CONFIG_CCACHE),y)
-CCACHE:=$(wildcard $(addsuffix /ccache,$(subst :, ,$(PATH))))
+CCACHE:=$(word 1,$(wildcard $(addsuffix /ccache,$(subst :, ,$(PATH)))))
ifeq ($(CCACHE),)
$(error ccache selected, but not found in PATH)
endif
$(foreach class,$(classes), \
$(eval $(class)-srcs+= \
$$(subst $(top)/,, \
- $$(abspath $$(addprefix $(dir $(1)),$$($(class)-y)))))) \
+ $$(abspath $$(subst $(dir $(1))/,/,$$(addprefix $(dir $(1)),$$($(class)-y))))))) \
$(foreach special,$(special-classes), \
$(foreach item,$($(special)-y), $(call $(special)-handler,$(dir $(1)),$(item)))) \
$(eval subdirs+=$$(subst $(CURDIR)/,,$$(abspath $$(addprefix $(dir $(1)),$$(subdirs-y)))))
$(if $(subdirs),$(eval $(call evaluate_subdirs)))
# collect all object files eligible for building
-subdirs:=.
+subdirs:=$(TOPLEVEL)
$(eval $(call evaluate_subdirs))
src-to-obj=$(addsuffix .$(1).o, $(basename $(patsubst src/%, $(obj)/%, $($(1)-srcs))))
# $1 obj class
# $2 source suffix (c, S)
# $3 additional compiler flags
+# $4 additional dependencies
ifn$(EMPTY)def $(1)-objs_$(2)_template
de$(EMPTY)fine $(1)-objs_$(2)_template
-$(obj)/$$(1).$(1).o: src/$$(1).$(2) $(obj)/config.h
+$(obj)/$$(1).$(1).o: src/$$(1).$(2) $(obj)/config.h $(4)
@printf " CC $$$$(subst $$$$(obj)/,,$$$$(@))\n"
$(CC) $(3) -MMD $$$$(CFLAGS) -c -o $$$$@ $$$$<
en$(EMPTY)def
filetypes-of-class=$(subst .,,$(sort $(suffix $($(1)-srcs))))
$(foreach class,$(classes), \
$(foreach type,$(call filetypes-of-class,$(class)), \
- $(eval $(call create_cc_template,$(class),$(type),$($(class)-$(type)-ccopts)))))
+ $(eval $(call create_cc_template,$(class),$(type),$($(class)-$(type)-ccopts),$($(class)-$(type)-deps)))))
foreach-src=$(foreach file,$($(1)-srcs),$(eval $(call $(1)-objs_$(subst .,,$(suffix $(file)))_template,$(subst src/,,$(basename $(file))))))
$(eval $(foreach class,$(classes),$(call foreach-src,$(class))))
endif
+ifndef NOMKDIR
$(shell mkdir -p $(obj) $(objutil)/kconfig/lxdialog $(additional-dirs) $(alldirs))
+endif
cscope:
cscope -bR