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