linux-toradex.git/tools/lib/bpf/.gitignore, branch v5.3.2

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2019-05-03T02:14:21+00:00

Three trivial overlapping conflicts.

Signed-off-by: David S. Miller

libbpf: add binary to gitignore

2019-04-26T00:20:06+00:00

Some binaries are generated when building libbpf from tools/lib/bpf/,
namely libbpf.so.0.0.2 and libbpf.so.0.
Add them to the local .gitignore.

Signed-off-by: Matteo Croce 
Reviewed-by: Jakub Kicinski 
Acked-by: Song Liu 
Signed-off-by: Daniel Borkmann 
Signed-off-by: Alexei Starovoitov

tools/bpf: generate pkg-config file for libbpf

2019-03-28T16:06:03+00:00

Generate a libbpf.pc file at build time so that users can rely
on pkg-config to find the library, its CFLAGS and LDFLAGS.

Signed-off-by: Luca Boccassi 
Acked-by: Andrey Ignatov 
Signed-off-by: Daniel Borkmann

selftests/bpf: add missing executables to .gitignore

2019-01-10T14:53:02+00:00

We build test_libbpf with CXX to make sure linking against C++ works.

$ make -s -C tools/lib/bpf
$ git status -sb
? tools/lib/bpf/test_libbpf
$ make -s -C tools/testing/selftests/bpf
$ git status -sb
? tools/lib/bpf/test_libbpf
? tools/testing/selftests/bpf/test_libbpf

Fixes: 8c4905b995c6 ("libbpf: make sure bpf headers are c++ include-able")
Signed-off-by: Stanislav Fomichev 
Signed-off-by: Daniel Borkmann

tools lib bpf: Change FEATURE-DUMP to FEATURE-DUMP.libbpf

2015-11-05T15:47:51+00:00

Commit ed63f34c026e9a60d17fa750ecdfe3f600d49393 ("perf tools: Make perf
depend on libbpf") triggers the build of libbpf when building the perf
tools, dynamically creating FEATURE-DUMP.libbpf.

It failed to update the tools/lib/bpf/.gitignore file to have that
prefix, fix it.

Signed-off-by: Yunlong Song 
Cc: Adrian Hunter 
Cc: Alexei Starovoitov 
Cc: David Ahern 
Cc: Jiri Olsa 
Cc: Kan Liang 
Cc: Masami Hiramatsu 
Cc: Namhyung Kim 
Cc: Paul Mackerras 
Cc: Peter Zijlstra 
Cc: Wang Nan 
Fixes: 65f041bee783 ("tools lib bpf: Use FEATURE_USER to allow building in the same dir as perf")
Link: http://lkml.kernel.org/r/1446706594-4142-1-git-send-email-yunlong.song@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo

bpf tools: Introduce 'bpf' library and add bpf feature check

2015-08-07T13:16:56+00:00

This is the first patch of libbpf. The goal of libbpf is to create a
standard way for accessing eBPF object files. This patch creates
'Makefile' and 'Build' for it, allows 'make' to build libbpf.a and
libbpf.so, 'make install' to put them into proper directories.
Most part of Makefile is borrowed from traceevent.

Before building, it checks the existence of libelf in Makefile, and deny
to build if not found. Instead of throwing an error if libelf not found,
the error raises in a phony target "elfdep". This design is to ensure
'make clean' still workable even if libelf is not found.

Because libbpf requires 'kern_version' field set for 'union bpf_attr'
(bpfdep" is used for that dependency), Kernel BPF API is also checked
by intruducing a new feature check 'bpf' into tools/build/feature,
which checks the existence and version of linux/bpf.h. When building
libbpf, it searches that file from include/uapi/linux in kernel source
tree (controlled by FEATURE_CHECK_CFLAGS-bpf). Since it searches kernel
source tree it reside, installing of newest kernel headers is not
required, except we are trying to port these files to an old kernel.

To avoid checking that file when perf building, the newly introduced
'bpf' feature check doesn't added into FEATURE_TESTS and
FEATURE_DISPLAY by default in tools/build/Makefile.feature, but added
into libbpf's specific.

Signed-off-by: Wang Nan 
Acked-by: Alexei Starovoitov 
Cc: Brendan Gregg 
Cc: Daniel Borkmann 
Cc: David Ahern 
Cc: He Kuang 
Cc: Jiri Olsa 
Cc: Kaixu Xia 
Cc: Masami Hiramatsu 
Cc: Namhyung Kim 
Cc: Peter Zijlstra 
Cc: Zefan Li 
Bcc: pi3orama@163.com
Link: http://lkml.kernel.org/r/1435716878-189507-4-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo