1 # SPDX-License-Identifier: GPL-2.0
2 include ../scripts/Makefile.include
3 include ../scripts/Makefile.arch
4
5 ifeq ($(srctree),)
6 srctree := $(patsubst %/,%,$(dir $(CURDIR)))
7 srctree := $(patsubst %/,%,$(dir $(srctree)))
8 endif
9
10 LIBSUBCMD_DIR = $(srctree)/tools/lib/subcmd/
11 ifneq ($(OUTPUT),)
12 LIBSUBCMD_OUTPUT = $(abspath $(OUTPUT))/libs
13 else
14 LIBSUBCMD_OUTPUT = $(CURDIR)/libsubcmd
15 endif
16 LIBSUBCMD = $(LIBSUBCMD_OUTPUT)/libsubcmd.a
17
18 OBJTOOL := $(OUTPUT)objtool
19 OBJTOOL_IN := $(OBJTOOL)-in.o
20
21 LIBELF_FLAGS := $(shell $(HOSTPKG_CONFIG) libe
22 LIBELF_LIBS := $(shell $(HOSTPKG_CONFIG) libe
23
24 all: $(OBJTOOL)
25
26 INCLUDES := -I$(srctree)/tools/include \
27 -I$(srctree)/tools/arch/$(HOSTARCH
28 -I$(srctree)/tools/arch/$(SRCARCH)
29 -I$(srctree)/tools/objtool/include
30 -I$(srctree)/tools/objtool/arch/$(
31 -I$(LIBSUBCMD_OUTPUT)/include
32 # Note, EXTRA_WARNINGS here was determined for
33 # is passed here to match a legacy behavior.
34 WARNINGS := $(EXTRA_WARNINGS) -Wno-switch-defa
35 OBJTOOL_CFLAGS := -Werror $(WARNINGS) $(KBUILD
36 OBJTOOL_LDFLAGS := $(LIBELF_LIBS) $(LIBSUBCMD)
37
38 # Allow old libelf to be used:
39 elfshdr := $(shell echo '$(pound)include <libe
40 OBJTOOL_CFLAGS += $(if $(elfshdr),,-DLIBELF_US
41
42 # Always want host compilation.
43 HOST_OVERRIDES := CC="$(HOSTCC)" LD="$(HOSTLD)
44
45 AWK = awk
46 MKDIR = mkdir
47
48 ifeq ($(V),1)
49 Q =
50 else
51 Q = @
52 endif
53
54 BUILD_ORC := n
55
56 ifeq ($(SRCARCH),x86)
57 BUILD_ORC := y
58 endif
59
60 ifeq ($(SRCARCH),loongarch)
61 BUILD_ORC := y
62 endif
63
64 export BUILD_ORC
65 export srctree OUTPUT CFLAGS SRCARCH AWK
66 include $(srctree)/tools/build/Makefile.includ
67
68 $(OBJTOOL_IN): fixdep $(LIBSUBCMD) FORCE
69 $(Q)$(CONFIG_SHELL) ./sync-check.sh
70 $(Q)$(MAKE) $(build)=objtool $(HOST_OV
71 LDFLAGS="$(OBJTOOL_LDFLAGS)"
72
73
74 $(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN)
75 $(QUIET_LINK)$(HOSTCC) $(OBJTOOL_IN) $
76
77
78 $(LIBSUBCMD_OUTPUT):
79 $(Q)$(MKDIR) -p $@
80
81 $(LIBSUBCMD): fixdep $(LIBSUBCMD_OUTPUT) FORCE
82 $(Q)$(MAKE) -C $(LIBSUBCMD_DIR) O=$(LI
83 DESTDIR=$(LIBSUBCMD_OUTPUT) pr
84 $(HOST_OVERRIDES) EXTRA_CFLAGS
85 $@ install_headers
86
87 $(LIBSUBCMD)-clean:
88 $(call QUIET_CLEAN, libsubcmd)
89 $(Q)$(RM) -r -- $(LIBSUBCMD_OUTPUT)
90
91 clean: $(LIBSUBCMD)-clean
92 $(call QUIET_CLEAN, objtool) $(RM) $(O
93 $(Q)find $(OUTPUT) -name '*.o' -delete
94 $(Q)$(RM) $(OUTPUT)arch/x86/lib/inat-t
95
96 FORCE:
97
98 .PHONY: clean FORCE
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