# SPDX-License-Identifier: GPL-2.0include ../scripts/Makefile.includeinclude ../scripts/Makefile.arch ifeq ($(ARCH),x86_64)ARCH := x86endif # always use the host compilerHOSTCC	?= gccHOSTLD	?= ldCC	 = $(HOSTCC)LD	 = $(HOSTLD)AR	 = ar ifeq ($(srctree),)srctree := $(patsubst %/,%,$(dir $(CURDIR)))srctree := $(patsubst %/,%,$(dir $(srctree)))endif SUBCMD_SRCDIR		= $(srctree)/tools/lib/subcmd/LIBSUBCMD_OUTPUT	= $(if $(OUTPUT),$(OUTPUT),$(CURDIR)/)LIBSUBCMD		= $(LIBSUBCMD_OUTPUT)libsubcmd.a OBJTOOL    := $(OUTPUT)objtoolOBJTOOL_IN := $(OBJTOOL)-in.o LIBELF_FLAGS := $(shell pkg-config libelf --cflags 2>/dev/null)LIBELF_LIBS  := $(shell pkg-config libelf --libs 2>/dev/null || echo -lelf) all: $(OBJTOOL) INCLUDES := -I$(srctree)/tools/include \	    -I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \	    -I$(srctree)/tools/objtool/arch/$(ARCH)/includeWARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packedCFLAGS   += -Werror $(WARNINGS) $(KBUILD_HOSTCFLAGS) -g $(INCLUDES) $(LIBELF_FLAGS)LDFLAGS  += $(LIBELF_LIBS) $(LIBSUBCMD) $(KBUILD_HOSTLDFLAGS) # Allow old libelf to be used:elfshdr := $(shell echo '$(pound)include <libelf.h>' | $(CC) $(CFLAGS) -x c -E - | grep elf_getshdr)CFLAGS += $(if $(elfshdr),,-DLIBELF_USE_DEPRECATED) AWK = awkexport srctree OUTPUT CFLAGS SRCARCH AWKinclude $(srctree)/tools/build/Makefile.include $(OBJTOOL_IN): fixdep FORCE	@$(MAKE) $(build)=objtool $(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN)	@$(CONFIG_SHELL) ./sync-check.sh	$(QUIET_LINK)$(CC) $(OBJTOOL_IN) $(LDFLAGS) -o $@  $(LIBSUBCMD): fixdep FORCE	$(Q)$(MAKE) -C $(SUBCMD_SRCDIR) OUTPUT=$(LIBSUBCMD_OUTPUT) clean:	$(call QUIET_CLEAN, objtool) $(RM) $(OBJTOOL)	$(Q)find $(OUTPUT) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete	$(Q)$(RM) $(OUTPUT)arch/x86/lib/inat-tables.c $(OUTPUT)fixdep FORCE: .PHONY: clean FORCE