| 1 |
|
| 2 | include ../scripts/Makefile.include
|
| 3 | include ../scripts/Makefile.arch
|
| 4 |
|
| 5 |
|
| 6 | ifneq ($(LLVM),)
|
| 7 | HOSTAR ?= llvm-ar
|
| 8 | HOSTCC ?= clang
|
| 9 | HOSTLD ?= ld.lld
|
| 10 | else
|
| 11 | HOSTAR ?= ar
|
| 12 | HOSTCC ?= gcc
|
| 13 | HOSTLD ?= ld
|
| 14 | endif
|
| 15 | AR = $(HOSTAR)
|
| 16 | CC = $(HOSTCC)
|
| 17 | LD = $(HOSTLD)
|
| 18 |
|
| 19 | ifeq ($(srctree),)
|
| 20 | srctree := $(patsubst %/,%,$(dir $(CURDIR)))
|
| 21 | srctree := $(patsubst %/,%,$(dir $(srctree)))
|
| 22 | endif
|
| 23 |
|
| 24 | SUBCMD_SRCDIR = $(srctree)/tools/lib/subcmd/
|
| 25 | LIBSUBCMD_OUTPUT = $(if $(OUTPUT),$(OUTPUT),$(CURDIR)/)
|
| 26 | LIBSUBCMD = $(LIBSUBCMD_OUTPUT)libsubcmd.a
|
| 27 |
|
| 28 | OBJTOOL := $(OUTPUT)objtool
|
| 29 | OBJTOOL_IN := $(OBJTOOL)-in.o
|
| 30 |
|
| 31 | LIBELF_FLAGS := $(shell pkg-config libelf --cflags 2>/dev/null)
|
| 32 | LIBELF_LIBS := $(shell pkg-config libelf --libs 2>/dev/null || echo -lelf)
|
| 33 |
|
| 34 | all: $(OBJTOOL)
|
| 35 |
|
| 36 | INCLUDES := -I$(srctree)/tools/include \
|
| 37 | -I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \
|
| 38 | -I$(srctree)/tools/arch/$(SRCARCH)/include
|
| 39 | WARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed
|
| 40 | CFLAGS := -Werror $(WARNINGS) $(KBUILD_HOSTCFLAGS) -g $(INCLUDES) $(LIBELF_FLAGS)
|
| 41 | LDFLAGS += $(LIBELF_LIBS) $(LIBSUBCMD) $(KBUILD_HOSTLDFLAGS)
|
| 42 |
|
| 43 |
|
| 44 | elfshdr := $(shell echo '$(pound)include <libelf.h>' | $(CC) $(CFLAGS) -x c -E - | grep elf_getshdr)
|
| 45 | CFLAGS += $(if $(elfshdr),,-DLIBELF_USE_DEPRECATED)
|
| 46 |
|
| 47 | AWK = awk
|
| 48 | export srctree OUTPUT CFLAGS SRCARCH AWK
|
| 49 | include $(srctree)/tools/build/Makefile.include
|
| 50 |
|
| 51 | $(OBJTOOL_IN): fixdep FORCE
|
| 52 | @$(MAKE) $(build)=objtool
|
| 53 |
|
| 54 | $(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN)
|
| 55 | @$(CONFIG_SHELL) ./sync-check.sh
|
| 56 | $(QUIET_LINK)$(CC) $(OBJTOOL_IN) $(LDFLAGS) -o $@
|
| 57 |
|
| 58 |
|
| 59 | $(LIBSUBCMD): fixdep FORCE
|
| 60 | $(Q)$(MAKE) -C $(SUBCMD_SRCDIR) OUTPUT=$(LIBSUBCMD_OUTPUT)
|
| 61 |
|
| 62 | clean:
|
| 63 | $(call QUIET_CLEAN, objtool) $(RM) $(OBJTOOL)
|
| 64 | $(Q)find $(OUTPUT) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
|
| 65 | $(Q)$(RM) $(OUTPUT)arch/x86/inat-tables.c $(OUTPUT)fixdep
|
| 66 |
|
| 67 | FORCE:
|
| 68 |
|
| 69 | .PHONY: clean FORCE
|