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

From: Toke HÃiland-JÃrgensen
Date: Fri Jan 17 2020 - 04:47:09 EST


Andrii Nakryiko <andrii.nakryiko@xxxxxxxxx> writes:

> 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.

Hmm, yeah, not a bad idea, actually. Since it seems I'm respinning
anyway, I'll fix that up as well.

-Toke