Loading...
1# SPDX-License-Identifier: GPL-2.0-only
2include ../../scripts/Makefile.include
3include ../../scripts/utilities.mak
4
5ifeq ($(srctree),)
6srctree := $(patsubst %/,%,$(dir $(CURDIR)))
7srctree := $(patsubst %/,%,$(dir $(srctree)))
8srctree := $(patsubst %/,%,$(dir $(srctree)))
9endif
10
11ifeq ($(V),1)
12 Q =
13else
14 Q = @
15endif
16
17BPF_DIR = $(srctree)/tools/lib/bpf/
18
19ifneq ($(OUTPUT),)
20 LIBBPF_OUTPUT = $(OUTPUT)/libbpf/
21 LIBBPF_PATH = $(LIBBPF_OUTPUT)
22else
23 LIBBPF_PATH = $(BPF_DIR)
24endif
25
26LIBBPF = $(LIBBPF_PATH)libbpf.a
27
28BPFTOOL_VERSION ?= $(shell make -rR --no-print-directory -sC ../../.. kernelversion)
29
30$(LIBBPF): FORCE
31 $(if $(LIBBPF_OUTPUT),@mkdir -p $(LIBBPF_OUTPUT))
32 $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_OUTPUT) $(LIBBPF_OUTPUT)libbpf.a
33
34$(LIBBPF)-clean:
35 $(call QUIET_CLEAN, libbpf)
36 $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_OUTPUT) clean >/dev/null
37
38prefix ?= /usr/local
39bash_compdir ?= /usr/share/bash-completion/completions
40
41CFLAGS += -O2
42CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers
43CFLAGS += $(filter-out -Wswitch-enum -Wnested-externs,$(EXTRA_WARNINGS))
44CFLAGS += -DPACKAGE='"bpftool"' -D__EXPORTED_HEADERS__ \
45 -I$(if $(OUTPUT),$(OUTPUT),.) \
46 -I$(srctree)/kernel/bpf/ \
47 -I$(srctree)/tools/include \
48 -I$(srctree)/tools/include/uapi \
49 -I$(srctree)/tools/lib \
50 -I$(srctree)/tools/perf
51CFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"'
52ifneq ($(EXTRA_CFLAGS),)
53CFLAGS += $(EXTRA_CFLAGS)
54endif
55ifneq ($(EXTRA_LDFLAGS),)
56LDFLAGS += $(EXTRA_LDFLAGS)
57endif
58
59INSTALL ?= install
60RM ?= rm -f
61CLANG ?= clang
62LLVM_STRIP ?= llvm-strip
63
64FEATURE_USER = .bpftool
65FEATURE_TESTS = libbfd disassembler-four-args reallocarray zlib libcap \
66 clang-bpf-co-re
67FEATURE_DISPLAY = libbfd disassembler-four-args zlib libcap \
68 clang-bpf-co-re
69
70check_feat := 1
71NON_CHECK_FEAT_TARGETS := clean uninstall doc doc-clean doc-install doc-uninstall
72ifdef MAKECMDGOALS
73ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),)
74 check_feat := 0
75endif
76endif
77
78ifeq ($(check_feat),1)
79ifeq ($(FEATURES_DUMP),)
80include $(srctree)/tools/build/Makefile.feature
81else
82include $(FEATURES_DUMP)
83endif
84endif
85
86ifeq ($(feature-disassembler-four-args), 1)
87CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
88endif
89
90ifeq ($(feature-reallocarray), 0)
91CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
92endif
93
94LIBS = $(LIBBPF) -lelf -lz
95ifeq ($(feature-libcap), 1)
96CFLAGS += -DUSE_LIBCAP
97LIBS += -lcap
98endif
99
100include $(wildcard $(OUTPUT)*.d)
101
102all: $(OUTPUT)bpftool
103
104BFD_SRCS = jit_disasm.c
105
106SRCS = $(filter-out $(BFD_SRCS),$(wildcard *.c))
107
108ifeq ($(feature-libbfd),1)
109 LIBS += -lbfd -ldl -lopcodes
110else ifeq ($(feature-libbfd-liberty),1)
111 LIBS += -lbfd -ldl -lopcodes -liberty
112else ifeq ($(feature-libbfd-liberty-z),1)
113 LIBS += -lbfd -ldl -lopcodes -liberty -lz
114endif
115
116ifneq ($(filter -lbfd,$(LIBS)),)
117CFLAGS += -DHAVE_LIBBFD_SUPPORT
118SRCS += $(BFD_SRCS)
119endif
120
121BPFTOOL_BOOTSTRAP := $(if $(OUTPUT),$(OUTPUT)bpftool-bootstrap,./bpftool-bootstrap)
122
123BOOTSTRAP_OBJS = $(addprefix $(OUTPUT),main.o common.o json_writer.o gen.o btf.o)
124OBJS = $(patsubst %.c,$(OUTPUT)%.o,$(SRCS)) $(OUTPUT)disasm.o
125
126VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \
127 $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \
128 ../../../vmlinux \
129 /sys/kernel/btf/vmlinux \
130 /boot/vmlinux-$(shell uname -r)
131VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS))))
132
133ifneq ($(VMLINUX_BTF)$(VMLINUX_H),)
134ifeq ($(feature-clang-bpf-co-re),1)
135
136BUILD_BPF_SKELS := 1
137
138$(OUTPUT)vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL_BOOTSTRAP)
139ifeq ($(VMLINUX_H),)
140 $(QUIET_GEN)$(BPFTOOL_BOOTSTRAP) btf dump file $< format c > $@
141else
142 $(Q)cp "$(VMLINUX_H)" $@
143endif
144
145$(OUTPUT)%.bpf.o: skeleton/%.bpf.c $(OUTPUT)vmlinux.h $(LIBBPF)
146 $(QUIET_CLANG)$(CLANG) \
147 -I$(if $(OUTPUT),$(OUTPUT),.) \
148 -I$(srctree)/tools/include/uapi/ \
149 -I$(LIBBPF_PATH) \
150 -I$(srctree)/tools/lib \
151 -g -O2 -target bpf -c $< -o $@ && $(LLVM_STRIP) -g $@
152
153$(OUTPUT)%.skel.h: $(OUTPUT)%.bpf.o $(BPFTOOL_BOOTSTRAP)
154 $(QUIET_GEN)$(BPFTOOL_BOOTSTRAP) gen skeleton $< > $@
155
156$(OUTPUT)prog.o: $(OUTPUT)profiler.skel.h
157
158$(OUTPUT)pids.o: $(OUTPUT)pid_iter.skel.h
159
160endif
161endif
162
163CFLAGS += $(if $(BUILD_BPF_SKELS),,-DBPFTOOL_WITHOUT_SKELETONS)
164
165$(OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
166 $(QUIET_CC)$(CC) $(CFLAGS) -c -MMD -o $@ $<
167
168$(OUTPUT)feature.o: | zdep
169
170$(BPFTOOL_BOOTSTRAP): $(BOOTSTRAP_OBJS) $(LIBBPF)
171 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(BOOTSTRAP_OBJS) $(LIBS)
172
173$(OUTPUT)bpftool: $(OBJS) $(LIBBPF)
174 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(OBJS) $(LIBS)
175
176$(OUTPUT)%.o: %.c
177 $(QUIET_CC)$(CC) $(CFLAGS) -c -MMD -o $@ $<
178
179clean: $(LIBBPF)-clean
180 $(call QUIET_CLEAN, bpftool)
181 $(Q)$(RM) -- $(OUTPUT)bpftool $(OUTPUT)*.o $(OUTPUT)*.d
182 $(Q)$(RM) -- $(BPFTOOL_BOOTSTRAP) $(OUTPUT)*.skel.h $(OUTPUT)vmlinux.h
183 $(Q)$(RM) -r -- $(OUTPUT)libbpf/
184 $(call QUIET_CLEAN, core-gen)
185 $(Q)$(RM) -- $(OUTPUT)FEATURE-DUMP.bpftool
186 $(Q)$(RM) -r -- $(OUTPUT)feature/
187
188install: $(OUTPUT)bpftool
189 $(call QUIET_INSTALL, bpftool)
190 $(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(prefix)/sbin
191 $(Q)$(INSTALL) $(OUTPUT)bpftool $(DESTDIR)$(prefix)/sbin/bpftool
192 $(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(bash_compdir)
193 $(Q)$(INSTALL) -m 0644 bash-completion/bpftool $(DESTDIR)$(bash_compdir)
194
195uninstall:
196 $(call QUIET_UNINST, bpftool)
197 $(Q)$(RM) -- $(DESTDIR)$(prefix)/sbin/bpftool
198 $(Q)$(RM) -- $(DESTDIR)$(bash_compdir)/bpftool
199
200doc:
201 $(call descend,Documentation)
202
203doc-clean:
204 $(call descend,Documentation,clean)
205
206doc-install:
207 $(call descend,Documentation,install)
208
209doc-uninstall:
210 $(call descend,Documentation,uninstall)
211
212FORCE:
213
214zdep:
215 @if [ "$(feature-zlib)" != "1" ]; then echo "No zlib found"; exit 1 ; fi
216
217.SECONDARY:
218.PHONY: all FORCE clean install uninstall zdep
219.PHONY: doc doc-clean doc-install doc-uninstall
220.DEFAULT_GOAL := all
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2include ../../scripts/Makefile.include
3
4ifeq ($(srctree),)
5srctree := $(patsubst %/,%,$(dir $(CURDIR)))
6srctree := $(patsubst %/,%,$(dir $(srctree)))
7srctree := $(patsubst %/,%,$(dir $(srctree)))
8endif
9
10ifeq ($(V),1)
11 Q =
12else
13 Q = @
14endif
15
16BPF_DIR = $(srctree)/tools/lib/bpf
17
18ifneq ($(OUTPUT),)
19 _OUTPUT := $(OUTPUT)
20else
21 _OUTPUT := $(CURDIR)/
22endif
23BOOTSTRAP_OUTPUT := $(_OUTPUT)bootstrap/
24
25LIBBPF_OUTPUT := $(_OUTPUT)libbpf/
26LIBBPF_DESTDIR := $(LIBBPF_OUTPUT)
27LIBBPF_INCLUDE := $(LIBBPF_DESTDIR)include
28LIBBPF_HDRS_DIR := $(LIBBPF_INCLUDE)/bpf
29LIBBPF := $(LIBBPF_OUTPUT)libbpf.a
30
31LIBBPF_BOOTSTRAP_OUTPUT := $(BOOTSTRAP_OUTPUT)libbpf/
32LIBBPF_BOOTSTRAP_DESTDIR := $(LIBBPF_BOOTSTRAP_OUTPUT)
33LIBBPF_BOOTSTRAP_INCLUDE := $(LIBBPF_BOOTSTRAP_DESTDIR)include
34LIBBPF_BOOTSTRAP_HDRS_DIR := $(LIBBPF_BOOTSTRAP_INCLUDE)/bpf
35LIBBPF_BOOTSTRAP := $(LIBBPF_BOOTSTRAP_OUTPUT)libbpf.a
36
37# We need to copy hashmap.h, nlattr.h, relo_core.h and libbpf_internal.h
38# which are not otherwise exported by libbpf, but still required by bpftool.
39LIBBPF_INTERNAL_HDRS := $(addprefix $(LIBBPF_HDRS_DIR)/,hashmap.h nlattr.h relo_core.h libbpf_internal.h)
40LIBBPF_BOOTSTRAP_INTERNAL_HDRS := $(addprefix $(LIBBPF_BOOTSTRAP_HDRS_DIR)/,hashmap.h relo_core.h libbpf_internal.h)
41
42$(LIBBPF_OUTPUT) $(BOOTSTRAP_OUTPUT) $(LIBBPF_BOOTSTRAP_OUTPUT) $(LIBBPF_HDRS_DIR) $(LIBBPF_BOOTSTRAP_HDRS_DIR):
43 $(QUIET_MKDIR)mkdir -p $@
44
45$(LIBBPF): $(wildcard $(BPF_DIR)/*.[ch] $(BPF_DIR)/Makefile) | $(LIBBPF_OUTPUT)
46 $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_OUTPUT) \
47 DESTDIR=$(LIBBPF_DESTDIR:/=) prefix= $(LIBBPF) install_headers
48
49$(LIBBPF_INTERNAL_HDRS): $(LIBBPF_HDRS_DIR)/%.h: $(BPF_DIR)/%.h | $(LIBBPF_HDRS_DIR)
50 $(call QUIET_INSTALL, $@)
51 $(Q)install -m 644 -t $(LIBBPF_HDRS_DIR) $<
52
53$(LIBBPF_BOOTSTRAP): $(wildcard $(BPF_DIR)/*.[ch] $(BPF_DIR)/Makefile) | $(LIBBPF_BOOTSTRAP_OUTPUT)
54 $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_BOOTSTRAP_OUTPUT) \
55 DESTDIR=$(LIBBPF_BOOTSTRAP_DESTDIR:/=) prefix= \
56 ARCH= CROSS_COMPILE= CC="$(HOSTCC)" LD="$(HOSTLD)" AR="$(HOSTAR)" $@ install_headers
57
58$(LIBBPF_BOOTSTRAP_INTERNAL_HDRS): $(LIBBPF_BOOTSTRAP_HDRS_DIR)/%.h: $(BPF_DIR)/%.h | $(LIBBPF_BOOTSTRAP_HDRS_DIR)
59 $(call QUIET_INSTALL, $@)
60 $(Q)install -m 644 -t $(LIBBPF_BOOTSTRAP_HDRS_DIR) $<
61
62$(LIBBPF)-clean: FORCE | $(LIBBPF_OUTPUT)
63 $(call QUIET_CLEAN, libbpf)
64 $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_OUTPUT) clean >/dev/null
65
66$(LIBBPF_BOOTSTRAP)-clean: FORCE | $(LIBBPF_BOOTSTRAP_OUTPUT)
67 $(call QUIET_CLEAN, libbpf-bootstrap)
68 $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_BOOTSTRAP_OUTPUT) clean >/dev/null
69
70prefix ?= /usr/local
71bash_compdir ?= /usr/share/bash-completion/completions
72
73CFLAGS += -O2
74CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers
75CFLAGS += $(filter-out -Wswitch-enum -Wnested-externs,$(EXTRA_WARNINGS))
76CFLAGS += -DPACKAGE='"bpftool"' -D__EXPORTED_HEADERS__ \
77 -I$(or $(OUTPUT),.) \
78 -I$(LIBBPF_INCLUDE) \
79 -I$(srctree)/kernel/bpf/ \
80 -I$(srctree)/tools/include \
81 -I$(srctree)/tools/include/uapi
82ifneq ($(BPFTOOL_VERSION),)
83CFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"'
84endif
85ifneq ($(EXTRA_CFLAGS),)
86CFLAGS += $(EXTRA_CFLAGS)
87endif
88ifneq ($(EXTRA_LDFLAGS),)
89LDFLAGS += $(EXTRA_LDFLAGS)
90endif
91
92INSTALL ?= install
93RM ?= rm -f
94
95FEATURE_USER = .bpftool
96
97FEATURE_TESTS := clang-bpf-co-re
98FEATURE_TESTS += llvm
99FEATURE_TESTS += libcap
100FEATURE_TESTS += libbfd
101FEATURE_TESTS += libbfd-liberty
102FEATURE_TESTS += libbfd-liberty-z
103FEATURE_TESTS += disassembler-four-args
104FEATURE_TESTS += disassembler-init-styled
105
106FEATURE_DISPLAY := clang-bpf-co-re
107FEATURE_DISPLAY += llvm
108FEATURE_DISPLAY += libcap
109FEATURE_DISPLAY += libbfd
110FEATURE_DISPLAY += libbfd-liberty
111FEATURE_DISPLAY += libbfd-liberty-z
112
113check_feat := 1
114NON_CHECK_FEAT_TARGETS := clean uninstall doc doc-clean doc-install doc-uninstall
115ifdef MAKECMDGOALS
116ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),)
117 check_feat := 0
118endif
119endif
120
121ifeq ($(check_feat),1)
122ifeq ($(FEATURES_DUMP),)
123include $(srctree)/tools/build/Makefile.feature
124else
125include $(FEATURES_DUMP)
126endif
127endif
128
129LIBS = $(LIBBPF) -lelf -lz
130LIBS_BOOTSTRAP = $(LIBBPF_BOOTSTRAP) -lelf -lz
131ifeq ($(feature-libcap), 1)
132CFLAGS += -DUSE_LIBCAP
133LIBS += -lcap
134endif
135
136include $(wildcard $(OUTPUT)*.d)
137
138all: $(OUTPUT)bpftool
139
140SRCS := $(wildcard *.c)
141
142ifeq ($(feature-llvm),1)
143 # If LLVM is available, use it for JIT disassembly
144 CFLAGS += -DHAVE_LLVM_SUPPORT
145 LLVM_CONFIG_LIB_COMPONENTS := mcdisassembler all-targets
146 CFLAGS += $(shell $(LLVM_CONFIG) --cflags --libs $(LLVM_CONFIG_LIB_COMPONENTS))
147 LIBS += $(shell $(LLVM_CONFIG) --libs $(LLVM_CONFIG_LIB_COMPONENTS))
148 ifeq ($(shell $(LLVM_CONFIG) --shared-mode),static)
149 LIBS += $(shell $(LLVM_CONFIG) --system-libs $(LLVM_CONFIG_LIB_COMPONENTS))
150 LIBS += -lstdc++
151 endif
152 LDFLAGS += $(shell $(LLVM_CONFIG) --ldflags)
153else
154 # Fall back on libbfd
155 ifeq ($(feature-libbfd),1)
156 LIBS += -lbfd -ldl -lopcodes
157 else ifeq ($(feature-libbfd-liberty),1)
158 LIBS += -lbfd -ldl -lopcodes -liberty
159 else ifeq ($(feature-libbfd-liberty-z),1)
160 LIBS += -lbfd -ldl -lopcodes -liberty -lz
161 endif
162
163 # If one of the above feature combinations is set, we support libbfd
164 ifneq ($(filter -lbfd,$(LIBS)),)
165 CFLAGS += -DHAVE_LIBBFD_SUPPORT
166
167 # Libbfd interface changed over time, figure out what we need
168 ifeq ($(feature-disassembler-four-args), 1)
169 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
170 endif
171 ifeq ($(feature-disassembler-init-styled), 1)
172 CFLAGS += -DDISASM_INIT_STYLED
173 endif
174 endif
175endif
176ifeq ($(filter -DHAVE_LLVM_SUPPORT -DHAVE_LIBBFD_SUPPORT,$(CFLAGS)),)
177 # No support for JIT disassembly
178 SRCS := $(filter-out jit_disasm.c,$(SRCS))
179endif
180
181HOST_CFLAGS = $(subst -I$(LIBBPF_INCLUDE),-I$(LIBBPF_BOOTSTRAP_INCLUDE),\
182 $(subst $(CLANG_CROSS_FLAGS),,$(CFLAGS)))
183
184BPFTOOL_BOOTSTRAP := $(BOOTSTRAP_OUTPUT)bpftool
185
186BOOTSTRAP_OBJS = $(addprefix $(BOOTSTRAP_OUTPUT),main.o common.o json_writer.o gen.o btf.o xlated_dumper.o btf_dumper.o disasm.o)
187$(BOOTSTRAP_OBJS): $(LIBBPF_BOOTSTRAP)
188
189OBJS = $(patsubst %.c,$(OUTPUT)%.o,$(SRCS)) $(OUTPUT)disasm.o
190$(OBJS): $(LIBBPF) $(LIBBPF_INTERNAL_HDRS)
191
192VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \
193 $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \
194 ../../../vmlinux \
195 /sys/kernel/btf/vmlinux \
196 /boot/vmlinux-$(shell uname -r)
197VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS))))
198
199bootstrap: $(BPFTOOL_BOOTSTRAP)
200
201ifneq ($(VMLINUX_BTF)$(VMLINUX_H),)
202ifeq ($(feature-clang-bpf-co-re),1)
203
204BUILD_BPF_SKELS := 1
205
206$(OUTPUT)vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL_BOOTSTRAP)
207ifeq ($(VMLINUX_H),)
208 $(QUIET_GEN)$(BPFTOOL_BOOTSTRAP) btf dump file $< format c > $@
209else
210 $(Q)cp "$(VMLINUX_H)" $@
211endif
212
213$(OUTPUT)%.bpf.o: skeleton/%.bpf.c $(OUTPUT)vmlinux.h $(LIBBPF_BOOTSTRAP)
214 $(QUIET_CLANG)$(CLANG) \
215 -I$(or $(OUTPUT),.) \
216 -I$(srctree)/tools/include/uapi/ \
217 -I$(LIBBPF_BOOTSTRAP_INCLUDE) \
218 -g -O2 -Wall -fno-stack-protector \
219 --target=bpf -c $< -o $@
220 $(Q)$(LLVM_STRIP) -g $@
221
222$(OUTPUT)%.skel.h: $(OUTPUT)%.bpf.o $(BPFTOOL_BOOTSTRAP)
223 $(QUIET_GEN)$(BPFTOOL_BOOTSTRAP) gen skeleton $< > $@
224
225$(OUTPUT)prog.o: $(OUTPUT)profiler.skel.h
226
227$(OUTPUT)pids.o: $(OUTPUT)pid_iter.skel.h
228
229endif
230endif
231
232CFLAGS += $(if $(BUILD_BPF_SKELS),,-DBPFTOOL_WITHOUT_SKELETONS)
233
234$(BOOTSTRAP_OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
235 $(QUIET_CC)$(HOSTCC) $(HOST_CFLAGS) -c -MMD $< -o $@
236
237$(OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
238 $(QUIET_CC)$(CC) $(CFLAGS) -c -MMD $< -o $@
239
240$(BPFTOOL_BOOTSTRAP): $(BOOTSTRAP_OBJS) $(LIBBPF_BOOTSTRAP)
241 $(QUIET_LINK)$(HOSTCC) $(HOST_CFLAGS) $(LDFLAGS) $(BOOTSTRAP_OBJS) $(LIBS_BOOTSTRAP) -o $@
242
243$(OUTPUT)bpftool: $(OBJS) $(LIBBPF)
244 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $(OBJS) $(LIBS) -o $@
245
246$(BOOTSTRAP_OUTPUT)%.o: %.c $(LIBBPF_BOOTSTRAP_INTERNAL_HDRS) | $(BOOTSTRAP_OUTPUT)
247 $(QUIET_CC)$(HOSTCC) $(HOST_CFLAGS) -c -MMD $< -o $@
248
249$(OUTPUT)%.o: %.c
250 $(QUIET_CC)$(CC) $(CFLAGS) -c -MMD $< -o $@
251
252feature-detect-clean:
253 $(call QUIET_CLEAN, feature-detect)
254 $(Q)$(MAKE) -C $(srctree)/tools/build/feature/ clean >/dev/null
255
256clean: $(LIBBPF)-clean $(LIBBPF_BOOTSTRAP)-clean feature-detect-clean
257 $(call QUIET_CLEAN, bpftool)
258 $(Q)$(RM) -- $(OUTPUT)bpftool $(OUTPUT)*.o $(OUTPUT)*.d
259 $(Q)$(RM) -- $(OUTPUT)*.skel.h $(OUTPUT)vmlinux.h
260 $(Q)$(RM) -r -- $(LIBBPF_OUTPUT) $(BOOTSTRAP_OUTPUT)
261 $(call QUIET_CLEAN, core-gen)
262 $(Q)$(RM) -- $(OUTPUT)FEATURE-DUMP.bpftool
263 $(Q)$(RM) -r -- $(OUTPUT)feature/
264
265install-bin: $(OUTPUT)bpftool
266 $(call QUIET_INSTALL, bpftool)
267 $(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(prefix)/sbin
268 $(Q)$(INSTALL) $(OUTPUT)bpftool $(DESTDIR)$(prefix)/sbin/bpftool
269
270install: install-bin
271 $(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(bash_compdir)
272 $(Q)$(INSTALL) -m 0644 bash-completion/bpftool $(DESTDIR)$(bash_compdir)
273
274uninstall:
275 $(call QUIET_UNINST, bpftool)
276 $(Q)$(RM) -- $(DESTDIR)$(prefix)/sbin/bpftool
277 $(Q)$(RM) -- $(DESTDIR)$(bash_compdir)/bpftool
278
279doc:
280 $(call descend,Documentation)
281
282doc-clean:
283 $(call descend,Documentation,clean)
284
285doc-install:
286 $(call descend,Documentation,install)
287
288doc-uninstall:
289 $(call descend,Documentation,uninstall)
290
291FORCE:
292
293.SECONDARY:
294.PHONY: all FORCE bootstrap clean install-bin install uninstall
295.PHONY: doc doc-clean doc-install doc-uninstall
296.DEFAULT_GOAL := all
297
298# Delete partially updated (corrupted) files on error
299.DELETE_ON_ERROR: