[PATCH bpf-next 6/9] bpf: iterators: install libbpf headers when building
flat view
STALE1833d
From: Quentin Monnet <hidden>
Date: 2021-09-30 11:34:10
Also in:
bpf
Subsystem:
bpf [general] (safe dynamic programs and tools), the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Linus Torvalds
Revision v1 of 4 in this series.
Revisions (4)
- v1 current
- v2 [diff vs current]
- v3 [diff vs current]
- v4 [diff vs current]
API headers from libbpf should not be accessed directly from the library's source directory. Instead, they should be exported with "make install_headers". Let's make sure that bpf/preload/iterators/Makefile installs the headers properly when building. Signed-off-by: Quentin Monnet <redacted> --- kernel/bpf/preload/iterators/Makefile | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-)
diff --git a/kernel/bpf/preload/iterators/Makefile b/kernel/bpf/preload/iterators/Makefile
index 28fa8c1440f4..cf549dab3e20 100644
--- a/kernel/bpf/preload/iterators/Makefile
+++ b/kernel/bpf/preload/iterators/Makefile@@ -6,9 +6,11 @@ LLVM_STRIP ?= llvm-strip DEFAULT_BPFTOOL := $(OUTPUT)/sbin/bpftool BPFTOOL ?= $(DEFAULT_BPFTOOL) LIBBPF_SRC := $(abspath ../../../../tools/lib/bpf) -BPFOBJ := $(OUTPUT)/libbpf.a -BPF_INCLUDE := $(OUTPUT) -INCLUDES := -I$(OUTPUT) -I$(BPF_INCLUDE) -I$(abspath ../../../../tools/lib) \ +LIBBPF_OUTPUT := $(abspath $(OUTPUT))/libbpf +LIBBPF_DESTDIR := $(LIBBPF_OUTPUT) +LIBBPF_INCLUDE := $(LIBBPF_DESTDIR)/include +BPFOBJ := $(LIBBPF_OUTPUT)/libbpf.a +INCLUDES := -I$(OUTPUT) -I$(LIBBPF_INCLUDE) \ -I$(abspath ../../../../tools/include/uapi) CFLAGS := -g -Wall
@@ -44,13 +46,15 @@ $(OUTPUT)/iterators.bpf.o: iterators.bpf.c $(BPFOBJ) | $(OUTPUT) -c $(filter %.c,$^) -o $@ && \ $(LLVM_STRIP) -g $@ -$(OUTPUT): +$(OUTPUT) $(LIBBPF_OUTPUT) $(LIBBPF_INCLUDE): $(call msg,MKDIR,$@) - $(Q)mkdir -p $(OUTPUT) + $(Q)mkdir -p $@ -$(BPFOBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(OUTPUT) +$(BPFOBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) \ + | $(LIBBPF_OUTPUT) $(LIBBPF_INCLUDE) $(Q)$(MAKE) $(submake_extras) -C $(LIBBPF_SRC) \ - OUTPUT=$(abspath $(dir $@))/ $(abspath $@) + OUTPUT=$(abspath $(dir $@))/ prefix= \ + DESTDIR=$(LIBBPF_DESTDIR) $(abspath $@) install_headers $(DEFAULT_BPFTOOL): $(Q)$(MAKE) $(submake_extras) -C ../../../../tools/bpf/bpftool \
--
2.30.2