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- # SPDX-License-Identifier: GPL-2.0
- include ../scripts/Makefile.include
- include ../scripts/Makefile.arch
- # always use the host compiler
- AR = $(HOSTAR)
- CC = $(HOSTCC)
- LD = $(HOSTLD)
- ifeq ($(srctree),)
- srctree := $(patsubst %/,%,$(dir $(CURDIR)))
- srctree := $(patsubst %/,%,$(dir $(srctree)))
- endif
- SUBCMD_SRCDIR = $(srctree)/tools/lib/subcmd/
- LIBSUBCMD_OUTPUT = $(or $(OUTPUT),$(CURDIR)/)
- LIBSUBCMD = $(LIBSUBCMD_OUTPUT)libsubcmd.a
- OBJTOOL := $(OUTPUT)objtool
- OBJTOOL_IN := $(OBJTOOL)-in.o
- LIBELF_FLAGS := $(shell $(HOSTPKG_CONFIG) libelf --cflags 2>/dev/null)
- LIBELF_LIBS := $(shell $(HOSTPKG_CONFIG) libelf --libs 2>/dev/null || echo -lelf)
- all: $(OBJTOOL)
- INCLUDES := -I$(srctree)/tools/include \
- -I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \
- -I$(srctree)/tools/arch/$(SRCARCH)/include \
- -I$(srctree)/tools/objtool/include \
- -I$(srctree)/tools/objtool/arch/$(SRCARCH)/include
- WARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed -Wno-nested-externs
- CFLAGS := -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 $(elfshdr),,-DLIBELF_USE_DEPRECATED)
- AWK = awk
- BUILD_ORC := n
- ifeq ($(SRCARCH),x86)
- BUILD_ORC := y
- endif
- export BUILD_ORC
- export srctree OUTPUT CFLAGS SRCARCH AWK
- include $(srctree)/tools/build/Makefile.include
- $(OBJTOOL_IN): fixdep FORCE
- @$(CONFIG_SHELL) ./sync-check.sh
- @$(MAKE) $(build)=objtool
- $(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN)
- $(QUIET_LINK)$(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 $(LIBSUBCMD)
- FORCE:
- .PHONY: clean FORCE
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