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 export HOSTCC HOSTLD HOSTAR
  19
  20 ifeq ($(V),1)
  21   Q =
  22 else
  23   Q = @
  24 endif
  25
  26 export Q srctree CC LD
  27
  28 MAKEFLAGS := --no-print-directory
  29 build     := -f $(srctree)/tools/build/Makefile.build dir=. obj
  30
  31 all: $(OUTPUT)fixdep
  32
  33 clean:
  34         $(call QUIET_CLEAN, fixdep)
  35         $(Q)find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
  36         $(Q)rm -f $(OUTPUT)fixdep
  37         $(call QUIET_CLEAN, feature-detect)
  38         $(Q)$(MAKE) -C feature/ clean >/dev/null
  39
  40 $(OUTPUT)fixdep-in.o: FORCE
  41         $(Q)$(MAKE) $(build)=fixdep
  42
  43 $(OUTPUT)fixdep: $(OUTPUT)fixdep-in.o
  44         $(QUIET_LINK)$(HOSTCC) $(KBUILD_HOSTLDFLAGS) -o $@ $<
  45
  46 FORCE:
  47
  48 .PHONY: FORCE