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# SPDX-License-Identifier: GPL-2.0
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
endif
include $(srctree)/tools//scripts/Makefile.include
define allow-override
$(if $(or $(findstring environment,$(origin $(1))),\
$(findstring command line,$(origin $(1)))),,\
$(eval $(1) = $(2)))
endef
$(call allow-override,CC,$(CROSS_COMPILE)gcc)
$(call allow-override,LD,$(CROSS_COMPILE)ld)
export HOSTCC HOSTLD HOSTAR
export srctree CC LD
MAKEFLAGS := --no-print-directory
build := -f $(srctree)/tools/build/Makefile.build dir=. obj
all: $(OUTPUT)fixdep
# Make sure there's anything to clean,
# feature contains check for existing OUTPUT
TMP_O := $(if $(OUTPUT),$(OUTPUT)feature/,./)
clean:
$(call QUIET_CLEAN, fixdep)
$(Q)find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
$(Q)rm -f $(OUTPUT)fixdep
$(call QUIET_CLEAN, feature-detect)
ifneq ($(wildcard $(TMP_O)),)
$(Q)$(MAKE) -C feature OUTPUT=$(TMP_O) clean >/dev/null
endif
FIXDEP := $(OUTPUT)fixdep
FIXDEP_IN := $(OUTPUT)fixdep-in.o
# To track fixdep's dependencies properly, fixdep needs to run on itself.
# Build it twice the first time.
$(FIXDEP_IN): FORCE
$(Q)if [ ! -f $(FIXDEP) ]; then \
$(MAKE) $(build)=fixdep HOSTCFLAGS="$(KBUILD_HOSTCFLAGS)"; \
rm -f $(FIXDEP).o; \
fi
$(Q)$(MAKE) $(build)=fixdep HOSTCFLAGS="$(KBUILD_HOSTCFLAGS)"
$(FIXDEP): $(FIXDEP_IN)
$(QUIET_LINK)$(HOSTCC) $(FIXDEP_IN) $(KBUILD_HOSTLDFLAGS) -o $@
FORCE:
.PHONY: FORCE
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