tools/build/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 ifeq ($(srctree),)
   3 srctree := $(patsubst %/,%,$(dir $(CURDIR)))
   4 srctree := $(patsubst %/,%,$(dir $(srctree)))
   5 endif
   6
   7 include $(srctree)/tools//scripts/Makefile.include
   8
   9 define allow-override
  10   $(if $(or $(findstring environment,$(origin $(1))),\
  11             $(findstring command line,$(origin $(1)))),,\
  12     $(eval $(1) = $(2)))
  13 endef
  14
  15 $(call allow-override,CC,$(CROSS_COMPILE)gcc)
  16 $(call allow-override,LD,$(CROSS_COMPILE)ld)
  17
  18 HOSTCC ?= gcc
  19 HOSTLD ?= ld
  20 HOSTAR ?= ar
  21
  22 export HOSTCC HOSTLD HOSTAR
  23
  24 ifeq ($(V),1)
  25   Q =
  26 else
  27   Q = @
  28 endif
  29
  30 export Q srctree CC LD
  31
  32 MAKEFLAGS := --no-print-directory
  33 build     := -f $(srctree)/tools/build/Makefile.build dir=. obj
  34
  35 all: $(OUTPUT)fixdep
  36
  37 clean:
  38         $(call QUIET_CLEAN, fixdep)
  39         $(Q)find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
  40         $(Q)rm -f $(OUTPUT)fixdep
  41
  42 $(OUTPUT)fixdep-in.o: FORCE
  43         $(Q)$(MAKE) $(build)=fixdep
  44
  45 $(OUTPUT)fixdep: $(OUTPUT)fixdep-in.o
  46         $(QUIET_LINK)$(HOSTCC) $(KBUILD_HOSTLDFLAGS) -o $@ $<
  47
  48 FORCE:
  49
  50 .PHONY: FORCE