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Commit | Line | Data |
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442f04c3 | 1 | include ../scripts/Makefile.include |
630e7a29 | 2 | include ../scripts/Makefile.arch |
442f04c3 | 3 | |
442f04c3 JP |
4 | ifeq ($(ARCH),x86_64) |
5 | ARCH := x86 | |
6 | endif | |
442f04c3 | 7 | |
c1d45c3a | 8 | # always use the host compiler |
979c9a5c MP |
9 | HOSTCC ?= gcc |
10 | HOSTLD ?= ld | |
11 | CC = $(HOSTCC) | |
12 | LD = $(HOSTLD) | |
13 | AR = ar | |
c1d45c3a | 14 | |
442f04c3 | 15 | ifeq ($(srctree),) |
e19b7cee | 16 | srctree := $(patsubst %/,%,$(dir $(CURDIR))) |
442f04c3 JP |
17 | srctree := $(patsubst %/,%,$(dir $(srctree))) |
18 | endif | |
19 | ||
c1d45c3a | 20 | SUBCMD_SRCDIR = $(srctree)/tools/lib/subcmd/ |
e19b7cee | 21 | LIBSUBCMD_OUTPUT = $(if $(OUTPUT),$(OUTPUT),$(CURDIR)/) |
c1d45c3a | 22 | LIBSUBCMD = $(LIBSUBCMD_OUTPUT)libsubcmd.a |
442f04c3 JP |
23 | |
24 | OBJTOOL := $(OUTPUT)objtool | |
25 | OBJTOOL_IN := $(OBJTOOL)-in.o | |
26 | ||
27 | all: $(OBJTOOL) | |
28 | ||
3673cdbc JP |
29 | INCLUDES := -I$(srctree)/tools/include \ |
30 | -I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \ | |
fbe7b2a7 | 31 | -I$(srctree)/tools/objtool/arch/$(ARCH)/include |
baa41469 | 32 | CFLAGS += -Wall -Werror $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -fomit-frame-pointer -O2 -g $(INCLUDES) |
442f04c3 JP |
33 | LDFLAGS += -lelf $(LIBSUBCMD) |
34 | ||
2e51f262 JB |
35 | # Allow old libelf to be used: |
36 | elfshdr := $(shell echo '\#include <libelf.h>' | $(CC) $(CFLAGS) -x c -E - | grep elf_getshdr) | |
37 | CFLAGS += $(if $(elfshdr),,-DLIBELF_USE_DEPRECATED) | |
38 | ||
442f04c3 | 39 | AWK = awk |
60cbdf5d | 40 | export srctree OUTPUT CFLAGS SRCARCH AWK |
442f04c3 JP |
41 | include $(srctree)/tools/build/Makefile.include |
42 | ||
43 | $(OBJTOOL_IN): fixdep FORCE | |
44 | @$(MAKE) $(build)=objtool | |
45 | ||
46 | $(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN) | |
6abf30ed | 47 | @sh ./sync-check.sh |
442f04c3 JP |
48 | $(QUIET_LINK)$(CC) $(OBJTOOL_IN) $(LDFLAGS) -o $@ |
49 | ||
50 | ||
51 | $(LIBSUBCMD): fixdep FORCE | |
c1d45c3a | 52 | $(Q)$(MAKE) -C $(SUBCMD_SRCDIR) OUTPUT=$(LIBSUBCMD_OUTPUT) |
442f04c3 | 53 | |
c1d45c3a | 54 | clean: |
442f04c3 JP |
55 | $(call QUIET_CLEAN, objtool) $(RM) $(OBJTOOL) |
56 | $(Q)find $(OUTPUT) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete | |
3673cdbc | 57 | $(Q)$(RM) $(OUTPUT)arch/x86/lib/inat-tables.c $(OUTPUT)fixdep |
442f04c3 JP |
58 | |
59 | FORCE: | |
60 | ||
61 | .PHONY: clean FORCE |