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From: Song Liu <songliubraving@fb.com>
To: Jiri Olsa <jolsa@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Andrii Nakryiko <andriin@fb.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"bpf@vger.kernel.org" <bpf@vger.kernel.org>,
	Martin Lau <kafai@fb.com>, Yonghong Song <yhs@fb.com>,
	John Fastabend <john.fastabend@gmail.com>,
	KP Singh <kpsingh@chromium.org>,
	Masahiro Yamada <masahiroy@kernel.org>,
	Michal Marek <michal.lkml@markovi.net>,
	"linux-kbuild@vger.kernel.org" <linux-kbuild@vger.kernel.org>
Subject: Re: [PATCH bpf-next 3/4] tools/resolve_btfids: Set srctree variable unconditionally
Date: Thu, 4 Feb 2021 23:41:26 +0000	[thread overview]
Message-ID: <F9F430CE-4CEB-435C-8488-C5ADB2D06106@fb.com> (raw)
In-Reply-To: <20210204211825.588160-4-jolsa@kernel.org>



> On Feb 4, 2021, at 1:18 PM, Jiri Olsa <jolsa@kernel.org> wrote:
> 
> We want this clean to be called from tree's root Makefile,
> which defines same srctree variable and that will screw
> the make setup.
> 
> We actually do not use srctree being passed from outside,
> so we can solve this by setting current srctree value
> directly.
> 
> Also root Makefile does not define the implicit RM variable,
> so adding RM initialization.
> 
> Signed-off-by: Jiri Olsa <jolsa@kernel.org>

Acked-by: Song Liu <songliubraving@fb.com>


> ---
> tools/bpf/resolve_btfids/Makefile | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/tools/bpf/resolve_btfids/Makefile b/tools/bpf/resolve_btfids/Makefile
> index 3007cfabf5e6..b41fc9a81e83 100644
> --- a/tools/bpf/resolve_btfids/Makefile
> +++ b/tools/bpf/resolve_btfids/Makefile
> @@ -2,11 +2,9 @@
> include ../../scripts/Makefile.include
> include ../../scripts/Makefile.arch
> 
> -ifeq ($(srctree),)
> srctree := $(patsubst %/,%,$(dir $(CURDIR)))
> srctree := $(patsubst %/,%,$(dir $(srctree)))
> srctree := $(patsubst %/,%,$(dir $(srctree)))
> -endif
> 
> ifeq ($(V),1)
>   Q =
> @@ -22,6 +20,7 @@ AR       = $(HOSTAR)
> CC       = $(HOSTCC)
> LD       = $(HOSTLD)
> ARCH     = $(HOSTARCH)
> +RM      ?= rm
> 
> OUTPUT ?= $(srctree)/tools/bpf/resolve_btfids/
> 
> -- 
> 2.26.2
> 


  reply	other threads:[~2021-02-04 23:44 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20210129134855.195810-1-jolsa@redhat.com>
2021-02-04 21:18 ` [PATCH bpf-next 0/4] kbuild/resolve_btfids: Invoke resolve_btfids clean in root Makefile Jiri Olsa
2021-02-04 21:18   ` [PATCH bpf-next 1/4] tools/resolve_btfids: Build libbpf and libsubcmd in separate directories Jiri Olsa
2021-02-04 23:33     ` Song Liu
2021-02-05  0:39     ` Andrii Nakryiko
2021-02-05 10:35       ` Jiri Olsa
2021-02-04 21:18   ` [PATCH bpf-next 2/4] tools/resolve_btfids: Check objects before removing Jiri Olsa
2021-02-04 23:41     ` Song Liu
2021-02-05  0:42     ` Andrii Nakryiko
2021-02-05 10:40       ` Jiri Olsa
2021-02-04 21:18   ` [PATCH bpf-next 3/4] tools/resolve_btfids: Set srctree variable unconditionally Jiri Olsa
2021-02-04 23:41     ` Song Liu [this message]
2021-02-05  1:24     ` Andrii Nakryiko
2021-02-04 21:18   ` [PATCH bpf-next 4/4] kbuild: Add resolve_btfids clean to root clean target Jiri Olsa
2021-02-04 23:42     ` Song Liu
2021-02-05 12:40 [PATCHv2 bpf-next 0/4] kbuild/resolve_btfids: Invoke resolve_btfids clean in root Makefile Jiri Olsa
2021-02-05 12:40 ` [PATCH bpf-next 3/4] tools/resolve_btfids: Set srctree variable unconditionally Jiri Olsa
2021-02-05 22:25   ` Andrii Nakryiko

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