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1# SPDX-License-Identifier: GPL-2.02ifeq ($(srctree),)3srctree := $(patsubst %/,%,$(dir $(CURDIR)))4srctree := $(patsubst %/,%,$(dir $(srctree)))5endif6 7include $(srctree)/tools//scripts/Makefile.include8 9define allow-override10 $(if $(or $(findstring environment,$(origin $(1))),\11 $(findstring command line,$(origin $(1)))),,\12 $(eval $(1) = $(2)))13endef14 15$(call allow-override,CC,$(CROSS_COMPILE)gcc)16$(call allow-override,LD,$(CROSS_COMPILE)ld)17 18export HOSTCC HOSTLD HOSTAR19 20ifeq ($(V),1)21 Q =22else23 Q = @24endif25 26export Q srctree CC LD27 28MAKEFLAGS := --no-print-directory29build := -f $(srctree)/tools/build/Makefile.build dir=. obj30 31all: $(OUTPUT)fixdep32 33# Make sure there's anything to clean,34# feature contains check for existing OUTPUT35TMP_O := $(if $(OUTPUT),$(OUTPUT)feature/,./)36 37clean:38 $(call QUIET_CLEAN, fixdep)39 $(Q)find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete40 $(Q)rm -f $(OUTPUT)fixdep41 $(call QUIET_CLEAN, feature-detect)42ifneq ($(wildcard $(TMP_O)),)43 $(Q)$(MAKE) -C feature OUTPUT=$(TMP_O) clean >/dev/null44endif45 46$(OUTPUT)fixdep: $(srctree)/tools/build/fixdep.c47 $(QUIET_CC)$(HOSTCC) $(KBUILD_HOSTCFLAGS) $(KBUILD_HOSTLDFLAGS) -o $@ $<48