third_party_libbpf/README
yonghong-song e5c75f8e94
mirror uapi/linux/bpf_common.h file (#2)
bcc still has this file in its src/cc/compat/linux directory.
Add this file to libbpf as well.

Signed-off-by: Yonghong Song <yhs@fb.com>
2018-10-12 12:57:55 -07:00

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This is a mirror of bpf-next linux tree
(https://kernel.googlesource.com/pub/scm/linux/kernel/git/bpf/bpf-next)
bpf-next/tools/lib/bpf directory plus its supporting header files.
The following files will by sync'ed with bpf-next repo:
src/ <-> bpf-next/tools/lib/bpf/
include/uapi/linux/bpf_common.h <-> bpf-next/tools/include/uapi/linux/bpf_common.h
include/uapi/linux/bpf.h <-> bpf-next/tools/include/uapi/linux/bpf.h
include/uapi/linux/btf.h <-> bpf-next/tools/include/uapi/linux/btf.h
include/uapi/linux/if_link.h <-> bpf-next/tools/include/uapi/linux/if_link.h
include/uapi/linux/netlink.h <-> bpf-next/tools/include/uapi/linux/netlink.h
include/tools/libc_compat.h <-> bpf-next/tools/include/tools/libc_compat.h
Other header files at this repo (include/linux/*.h) are reduced versions of
their counterpart files at bpf-next/tools/include/linux/*.h to make compilation
successful.
Build
=====
To build static library libbpf.a:
cd src
make
To build both static libbpf.a and shared libbpf.so libraries in directory
build/ and install them together with libbpf headers in a staging directory
root/:
cd src
mkdir build root
BUILD_SHARED=y OBJDIR=build DESTDIR=root make install