| # 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 = $(if $(OUTPUT),$(OUTPUT),$(CURDIR)/) |
| LIBSUBCMD = $(LIBSUBCMD_OUTPUT)libsubcmd.a |
| |
| OBJTOOL := $(OUTPUT)objtool |
| OBJTOOL_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$(srctree)/tools/arch/$(SRCARCH)/include |
| WARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed |
| 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 |
| export srctree OUTPUT CFLAGS SRCARCH AWK |
| include $(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/inat-tables.c $(OUTPUT)fixdep |
| |
| FORCE: |
| |
| .PHONY: clean FORCE |