]>
Commit | Line | Data |
---|---|---|
b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
442f04c3 | 2 | include ../scripts/Makefile.include |
630e7a29 | 3 | include ../scripts/Makefile.arch |
442f04c3 | 4 | |
442f04c3 JP |
5 | ifeq ($(ARCH),x86_64) |
6 | ARCH := x86 | |
7 | endif | |
442f04c3 | 8 | |
c1d45c3a | 9 | # always use the host compiler |
9ffa9d88 | 10 | HOSTAR ?= ar |
14c47b54 MP |
11 | HOSTCC ?= gcc |
12 | HOSTLD ?= ld | |
9ffa9d88 | 13 | AR = $(HOSTAR) |
14c47b54 MP |
14 | CC = $(HOSTCC) |
15 | LD = $(HOSTLD) | |
c1d45c3a | 16 | |
442f04c3 | 17 | ifeq ($(srctree),) |
e19b7cee | 18 | srctree := $(patsubst %/,%,$(dir $(CURDIR))) |
442f04c3 JP |
19 | srctree := $(patsubst %/,%,$(dir $(srctree))) |
20 | endif | |
21 | ||
c1d45c3a | 22 | SUBCMD_SRCDIR = $(srctree)/tools/lib/subcmd/ |
e19b7cee | 23 | LIBSUBCMD_OUTPUT = $(if $(OUTPUT),$(OUTPUT),$(CURDIR)/) |
c1d45c3a | 24 | LIBSUBCMD = $(LIBSUBCMD_OUTPUT)libsubcmd.a |
442f04c3 JP |
25 | |
26 | OBJTOOL := $(OUTPUT)objtool | |
27 | OBJTOOL_IN := $(OBJTOOL)-in.o | |
28 | ||
34b105c1 REB |
29 | LIBELF_FLAGS := $(shell pkg-config libelf --cflags 2>/dev/null) |
30 | LIBELF_LIBS := $(shell pkg-config libelf --libs 2>/dev/null || echo -lelf) | |
31 | ||
442f04c3 JP |
32 | all: $(OBJTOOL) |
33 | ||
6a77cff8 JP |
34 | INCLUDES := -I$(srctree)/tools/include \ |
35 | -I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \ | |
9eb71985 | 36 | -I$(srctree)/tools/objtool/arch/$(ARCH)/include |
21ec3bf6 | 37 | WARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed |
9538bf6f | 38 | CFLAGS := -Wall -Werror $(WARNINGS) -fomit-frame-pointer -O2 -g $(INCLUDES) $(LIBELF_FLAGS) |
34b105c1 | 39 | LDFLAGS += $(LIBELF_LIBS) $(LIBSUBCMD) |
442f04c3 | 40 | |
2e51f262 | 41 | # Allow old libelf to be used: |
322d8e79 | 42 | elfshdr := $(shell echo '$(pound)include <libelf.h>' | $(CC) $(CFLAGS) -x c -E - | grep elf_getshdr) |
2e51f262 JB |
43 | CFLAGS += $(if $(elfshdr),,-DLIBELF_USE_DEPRECATED) |
44 | ||
442f04c3 | 45 | AWK = awk |
60cbdf5d | 46 | export srctree OUTPUT CFLAGS SRCARCH AWK |
442f04c3 JP |
47 | include $(srctree)/tools/build/Makefile.include |
48 | ||
49 | $(OBJTOOL_IN): fixdep FORCE | |
50 | @$(MAKE) $(build)=objtool | |
51 | ||
52 | $(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN) | |
0f908ccb | 53 | @$(CONFIG_SHELL) ./sync-check.sh |
442f04c3 JP |
54 | $(QUIET_LINK)$(CC) $(OBJTOOL_IN) $(LDFLAGS) -o $@ |
55 | ||
56 | ||
57 | $(LIBSUBCMD): fixdep FORCE | |
c1d45c3a | 58 | $(Q)$(MAKE) -C $(SUBCMD_SRCDIR) OUTPUT=$(LIBSUBCMD_OUTPUT) |
442f04c3 | 59 | |
c1d45c3a | 60 | clean: |
442f04c3 JP |
61 | $(call QUIET_CLEAN, objtool) $(RM) $(OBJTOOL) |
62 | $(Q)find $(OUTPUT) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete | |
6a77cff8 | 63 | $(Q)$(RM) $(OUTPUT)arch/x86/lib/inat-tables.c $(OUTPUT)fixdep |
442f04c3 JP |
64 | |
65 | FORCE: | |
66 | ||
67 | .PHONY: clean FORCE |