Re: [PATCH bpf-next v3 04/11] tools/runqslower: Use consistent include paths for libbpf

[Andrii Nakryiko]

On Thu, Jan 16, 2020 at 5:23 AM Toke HÃiland-JÃrgensen <toke@xxxxxxxxxx> wrote:
>
> From: Toke HÃiland-JÃrgensen <toke@xxxxxxxxxx>
>
> Fix the runqslower tool to include libbpf header files with the bpf/
> prefix, to be consistent with external users of the library. Also ensure
> that all includes of exported libbpf header files (those that are exported
> on 'make install' of the library) use bracketed includes instead of quoted.
>
> To not break the build, keep the old include path until everything has been
> changed to the new one; a subsequent patch will remove that.
>
> Fixes: 6910d7d3867a ("selftests/bpf: Ensure bpf_helper_defs.h are taken from selftests dir")
> Signed-off-by: Toke HÃiland-JÃrgensen <toke@xxxxxxxxxx>
> ---
>  tools/bpf/runqslower/Makefile         |    5 +++--
>  tools/bpf/runqslower/runqslower.bpf.c |    2 +-
>  tools/bpf/runqslower/runqslower.c     |    4 ++--
>  3 files changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/tools/bpf/runqslower/Makefile b/tools/bpf/runqslower/Makefile
> index 89fb7cd30f1a..c0512b830805 100644
> --- a/tools/bpf/runqslower/Makefile
> +++ b/tools/bpf/runqslower/Makefile
> @@ -5,6 +5,7 @@ LLC := llc
>  LLVM_STRIP := llvm-strip
>  DEFAULT_BPFTOOL := $(OUTPUT)/sbin/bpftool
>  BPFTOOL ?= $(DEFAULT_BPFTOOL)
> +LIBBPF_INCLUDE := -I$(abspath ../../lib) -I$(abspath ../../lib/bpf)

I'd probably put all the -I's into single INCLUDES var and include
that one instead of mixing -I$(OUTPUT) and $(LIBBPF_INCLUDE), but this
works too.

Acked-by: Andrii Nakryiko <andriin@xxxxxx>

>  LIBBPF_SRC := $(abspath ../../lib/bpf)
>  CFLAGS := -g -Wall
>

[...]